Advection-Dominated Accretion and the Spectral States of Black Hole X-Ray Binaries: Application to Nova Muscae 1991

Abstract

We present a self-consistent model of accretion flows which unifies four distinct spectral states observed in black hole X-ray binaries: quiescent, low, intermediate and high states. In the quiescent, low and intermediate states, the flow consists of an inner hot advection-dominated part extending from the black hole horizon to a transition radius and an outer thin disk. In the high state the thin disk is present at all radii. The model is essentially parameter-free and treats consistently the dynamics of the accretion flow, the thermal balance of the ions and electrons, and the radiation processes in the accreting gas. With increasing mass accretion rate, the model goes through a sequence of stages for which the computed spectra resemble very well observations of the four spectral states; in particular, the low-to-high state transition observed in black hole binaries is naturally explained as resulting from a decrease in the transition radius. We also make a tentative proposal for the very high state, but this aspect of the model is less secure. We test the model against observations of the soft X-ray transient Nova Muscae during its 1991 outburst. The model reproduces the observed lightcurves and spectra surprisingly well, and makes a number of predictions which can be tested with future observations.

68 pages, LaTeX, includes 1 table (forgotten in the previous version) and 14 figures; submitted to The Astrophysical Journal

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• NICER, NuSTAR and Insight-HXMT views to the newly discovered black hole X-ray binary Swift J1727.8--1613
• The hard X-ray shortages prompted by the clock bursts in GS 1826--238
• Dramatic Drop in the X-Ray Polarization of Swift J1727.8$-$1613 in the Soft Spectral State
• Type-I X-ray bursts reveal a fast co-evolving behavior of the corona in an X-ray binary
• On the outburst evolution of H1743-322: a 2008/2009 comparison
• Probing the innermost accretion flow geometry of Sgr A* with Event Horizon Telescope
• The High-Energy Spectra of Accreting Black Holes: Observational Evidence for Bulk-Motion Infall
• Spectral hardening as a viable alternative to disc truncation in black hole state transitions
• The Dependence of Spectral State Transition and Disk Truncation on Viscosity Parameter $α
• The return to the hard state of GX 339-4 as seen by Suzaku
• A Super-Eddington Compton-Thick Wind in GRO J1655-40?
• Spectral state transitions in low-mass X-ray binaries - the effect of hard and soft irradiation
• The balance of power: accretion and feedback in stellar mass black holes
• Thermal Equilibria of Magnetically Supported, Black Hole Accretion Disks
• The Evolution of the Phase Lags Associated with the Type-C Quasi-periodic Oscillation in GX 339--4 during the 2006/2007 Outburst
• `Spectro-temporal' characteristics and disk-jet connection of the outbursting black hole source XTE J1859+226
• Preheated Advection Dominated Accretion Flow
• An inner disk below the ADAF: the intermediate spectral state of black hole accretion
• Mapping the inner accretion disk of the galactic black hole J1550-564 through its rise to outburst
• A timing study of MAXI J1820+070 based on Swift/XRT and NICER monitoring in 2018/19
• MHD instabilities in accretion disks and their implications in driving fast magnetic reconnection
• PoGOLite - A High Sensitivity Balloon-Borne Soft Gamma-ray Polarimeter
• Does GRS 1915+105 exhibit "canonical" black-hole states?
• Was the soft X-ray flare in NGC 3599 due to an AGN disc instability or a delayed tidal disruption event?
• Compact radio cores: from the first black holes to the last
• The reverberation lag in the low mass X-ray binary H1743-322
• Relativistic reflection and reverberation in GX 339-4 with NICER and NuSTAR
• X-Ray Flares and Oscillations from the Black Hole Candidate X-Ray Transient XTE J1650-500 at Low Luminosity
• Observational signatures of X-ray irradiated accretion disks
• Measuring A Truncated Disk in Aquila X-1
• The hard to soft spectral transition in LMXBs - affected by recondensation of gas into an inner disk
• Halpha Flares from V404 Cyg in Quiescence
• Modelling the cross-spectral variability of the black hole binary MAXI J1659-152 with propagating accretion rate fluctuations
• X-ray and Optical Correlation of Type I Seyfert NGC 3516 Studied with Suzaku and Japanese Ground-Based Telescopes
• Combined Spectral and Timing Analysis of the Black Hole Candidate MAXI J1659-152 Discovered by MAXI and Swift
• Absorption of high-energy gamma rays in Cygnus X-3
• Accretion and ejection in black-hole X-ray transients
• Soft gamma rays from low accreting supermassive black holes and connection to energetic neutrinos
• Does the mid-infrared-hard X-ray luminosity relation for active galactic nuclei depend on Eddington ratio?
• New Spectral State of Supercritical Accretion Flow with Comptonizing Outflow
• Hiding in Plain Sight: Chandra Observations of the Quiescent Neutron Star 4U 2129+47 in Eclipse
• GRRMHD Simulations of MAD Accretion Disks Declining from Super-Eddington to Sub-Eddington Accretion Rates
• Reverberation Mapping of Changing-look Active Galactic Nucleus NGC 3516
• A variable corona during the transition from type-C to type-B quasi-periodic oscillations in the black hole X-ray binary MAXI J1820+070
• The Emission from Inner Disk and Corona in the Low and Intermediate Spectral States of Black Hole X-ray Binaries
• Nozzle Shocks, Disk Tearing and Streamers Drive Rapid Accretion in 3D GRMHD Simulations of Warped Thin Disks
• Relativistic emission lines from accreting black holes - The effect of disk truncation on line profiles
• An X-ray Reprocessing Model of Disk Thermal Emission in Type 1 Seyfert Galaxies
• Two-phase modelling of the rings in the RXTE two-color diagram of GRS 1915+105
• NuSTAR Observations of the Black Hole GS 1354-645: Evidence of Rapid Black Hole Spin
• The role of the outer boundary condition in accretion disk models: theory and application
• The Spin of The Black Hole in the X-ray Binary Nova Muscae 1991
• Velocity-resolved Reverberation Mapping of Changing-look AGN NGC 2617
• A cooling neutron star crust after recurrent outbursts: Modelling the accretion outburst history of Aql X-1
• GW150914-like Black Holes as Galactic High-Energy Sources
• Modeling of non-stationary accretion disks in X-ray novae A 0620-00 and GRS 1124-68 during outburst
• Accretion Disk Spectra of the Brightest Ultra-luminous X-ray Source in M82
• An X-ray and optical study of the ultracompact X-ray binary A1246-58
• Understanding AGN-Host Connection in Partially Obscured Active Galactic Nuclei. Part I: The Nature of AGN+HII Composites
• Application of the Disk Evaporation Model to AGNs
• Jet quenching in the neutron star low-mass X-ray binary 1RXS J180408.9$-$342058
• Peak Luminosities of the Hard States of GX 339-4: Implications for the Accretion Geometry, Disk Mass, and Black Hole Mass
• Disk Tearing Leads to Low and High Frequency Quasi Periodic Oscillations in a GRMHD Simulation of a Thin Accretion Disk
• An accretion disk-outflow model for hysteretic state transition in X-ray binaries
• Radio and X-ray Properties of Relativistic Beaming Models for Ultra-Luminous X-ray Sources
• X-ray Polarization of the Black Hole X-ray Binary 4U 1630-47 Challenges Standard Thin Accretion Disk Scenario
• Detection of X-ray spectral state transitions in mini-outbursts of black hole transient GRS 1739-278
• The XMM-Newton long look of NGC 1365: lack of a high/soft state in its ultraluminous X-ray sources
• Particle transport in magnetized media around black holes and associated radiation
• X-ray softening in the new X-ray transient XTE J1719-291 during its 2008 outburst decay
• AGN spectral states from simultaneous UV and X-ray observations by XMM-Newton
• RXTE observations of the Low/Hard State X-ray Outburst of the new x-ray transient SWIFT J1753.5-0127
• Numerical investigation of plasma-driven superradiant instabilities
• NuSTAR Hard X-ray View of Low-luminosity Active Galactic Nuclei: High-energy Cutoff and Truncated Thin Disk
• Accretion Flow Evolution of a New Black Hole Candidate MAXI J1348-630 During the 2019 Outburst
• Evolution of AQL X-1 During the Rising Phase of its 1998 Outburst
• The Angular Momenta of Neutron Stars and Black Holes as a Window on Supernovae
• Black Hole Spin in X-ray Binaries: Giving Uncertainties an $f$
• Discovery of a broad iron line in the black-hole candidate Swift J1753.5-0127, and the disk emission in the low/hard state revisited
• X-ray bursts as a probe of the corona: the case of XRB 4U 1636-536
• A Synthetic Spectrum and Light Curve Analysis of the Cataclysmic Variable IX Velorum
• Broad iron emission lines in Seyfert Galaxies - re-condensation of gas onto an inner disk below the ADAF
• Modelling the black hole silhouette in Sgr A* with ion tori
• A Relativistic Disc Reflection Model for 1H0419-577: Multi-Epoch Spectral Analysis with XMM-Newton and NuSTAR
• A Hard-to-Soft State Transition during A Luminosity Decline of Aquila X-1
• The INTEGRAL view on Black Hole X-ray Binaries
• The time-lag -- photon-index correlation in GX 339--4
• Low-Luminosity AGN as analogues of Galactic Black Holes in the low/hard state: Evidence from X-ray timing of NGC 4258
• Multiwavelength Observations of Swift J1753.5-0127
• Pulsars With Jets May Harbor Dynamically Important Accretion Disks
• Linking accretion flow and particle acceleration in jets. I. New relativistic magnetohydrodynamical jet solutions including gravity
• A Delayed Transition to the Hard State for 4U 1630-47 at the End of Its 2010 Outburst
• From Multiwavelength to Mass Scaling: Accretion and Ejection in Microquasars and AGN
• Deviations from the Flux-Recurrence Time Relationship in GS 1826-238: Potential Transient Spectral Changes
• Detailed analysis on the reflection component for the black hole candidate MAXI J1348-630
• Revisit the fundamental plane of black-hole activity from sub-Eddington to quiescent state
• ULTRACAM observations of the black hole X-ray transient XTE J1118+480 in quiescence
• Magnetospheric Gamma-Ray Emission in Active Galactic Nuclei
• Shell-Shocked: The Interstellar Medium Near Cygnus X-1
• The formation of the coronal flow/ADAF
• Properties of two-temperature magnetized advective accretion flow around rotating black hole
• Low angular momentum relativistic hot accretion flow around Kerr black holes with variable adiabatic index
• The photon-index - time-lag correlation in black-hole X-ray binaries
• Global Structure of Optically Thin, Magnetically Supported, Two-Temperature, Black Hole Accretion Disks
• Shocks in relativistic transverse stratified jets, a new paradigm for radio-loud AGN
• The hard X-ray behavior of Aql X-1 during type-I bursts
• A quantitative explanation of the type-B QPOs in GX 339-4
• First simultaneous multi-wavelength observations of the black hole candidate IGR J17091-3624: ATCA, INTEGRAL, Swift, and RXTE views of the 2011 outburst
• The Stripe 82 1-2 GHz Very Large Array Snapshot Survey: host galaxy properties and accretion rates of radio galaxies
• Inhomogeneous accretion discs and the soft states of black hole X-ray binaries
• The Spin of the Black Hole GS 1124-683: Observation of a Retrograde Accretion Disk?
• The role of the accretion disk, dust, and jets in the IR emission of low-luminosity AGN
• Combining Semi-analytic Models with Simulations of Galaxy Clusters: the Need for Heating from Active Galactic Nuclei
• NuSTAR monitoring of MAXI J1348-630: evidence of high density disc reflection
• Magnetic inversion as a mechanism for the spectral transition of black hole binaries
• Expanding hot flow in the black hole binary SWIFT J1753.5-0127: evidence from optical timing
• Transitions and Origin of the Type-B Quasi-Periodic Oscillation in the Black Hole X-ray Binary MAXI~ J1348--630
• X-ray reflection in oxygen-rich accretion discs of ultra-compact X-ray binaries
• On the complex disc-corona interactions in the soft spectral states of Soft X-ray Transients
• A Chandra Survey of Supermassive Black Holes with Dynamical Mass Measurements
• Suzaku broadband spectroscopy of Swift J1753.5-0127 in the Low-Hard State
• Hot accretion flow with radiative cooling: state transitions in black hole X-ray binaries
• The Case for Massive, Evolving Winds in Black Hole X-ray Binaries
• A unified accretion-ejection paradigm for black hole X-ray binaries. V. Low-frequency quasi-periodic oscillations
• Hard X-ray variability of V404 Cyg during the 2015 outburst
• Thermal emission from the stellar-mass black hole binary XTE J1118+480 in the low/hard state
• Up and Down the Black Hole Radio/X-ray Correlation: the 2017 mini-outbursts from Swift J1753.5-0127
• X-ray Emission from Transient Jet Model in Black Hole Binaries
• ADAFs, accretion discs and outbursts in compact binaries
• MAXI GSC observations of a spectral state transition in the black hole candidate XTE J1752-223
• Black-hole masses, accretion rates and hot- and cold-mode accretion in radio galaxies at z~1
• Optical Observations of the Black Hole Candidate XTE J1550-564 During Re-Flare and Quiescence
• On the enigmatic X-ray Source V1408 Aql (=4U 1957+11)
• An anti-correlation between X-ray luminosity and H-alpha equivalent width in X-ray binaries
• Suzaku Studies of the Central Engine in the Typical Type I Seyfert NGC 3227: Detection of Multiple Primary X-ray Continua with Distinct Properties
• The Energy Dependence of the Aperiodic Variability for Cygnus X-1, GX 339-4, GRS 1758-258, & 1E 1740.7-2942
• A disc corona-jet model for the radio/X-ray correlation in black hole X-ray binaries
• Studying the Reflection Spectra of the New Black Hole X-ray Binary Candidate MAXI J1631-479 Observed by NuSTAR: A Variable Broad Iron Line Profile
• Origin of X-ray Emission from Transient Black Hole Candidates in Quiescence
• General-relativistic model of hot accretion flows with global Compton cooling
• The Hard State of the Highly Absorbed High Inclination Black Hole Binary Candidate Swift J1658.2-4242 Observed by NuSTAR and Swift
• Radiative Properties of Magnetically-Arrested Disks
• Black hole spin: theory and observation
• Highly variable AGN from the XMM-Newton Slew Survey
• Testing wind as an explanation for the spin problem in the continuum-fitting method
• Anti-correlated hard X-ray time lags in Galactic black hole sources
• Accretion states of the Galactic microquasar GRS 1758-258
• The case for jets in cataclysmic variables
• Evaporation of ion-irradiated disks
• The relation of optical/UV and X-ray emission in low-luminosity active galactic nuclei
• Spectral variability of the nucleus of M33 in a Chandra-ACIS observation
• A Suzaku Observation of NGC 4593: Illuminating the Truncated Disk
• Black hole spin of Cyg X-1 determined from the softest state ever observed
• Truncation of geometrically thin disks around massive black holes in galactic nuclei
• The effects of relativistic bulk motion of X-ray flares in the corona on the iron Kalpha line in Seyfert 1 galaxies
• Simulations of X-ray spectral/timing properties in a propagation model of variability of accreting black holes
• Characterising the Dynamo in a Radiatively Inefficient Accretion Flow
• The Spectral Features of Disk and Corona with Mass Evaporation in the Low/Hard State
• Magnetically Arrested Disks in Quiescent Black-Hole Binaries: Formation Scenario, Observable Signatures, and Potential PeVatrons
• On the accretion geometry of Cyg X-1 in the low/hard state
• An X-ray-UV correlation in Cen X-4 during quiescence
• Global Three-Dimensional Radiation Magnetohydrodynamic Simulations of Accretion onto a Stellar Mass Black Hole at Sub- and Near-critical Accretion Rates
• Tell-Tale Spectral Signatures of MHD-driven Ultra-Fast Outflows in AGNs
• Cross-spectral modelling of the black hole X-ray binary XTEJ1550-564: challenges to the propagating fluctuations paradigm
• LeMMINGs. III. The e-MERLIN Legacy Survey of the Palomar sample. Exploring the origin of nuclear radio emission in active and inactive galaxies through the [O III] -- radio connection
• A unified accretion disc model for supermassive black holes in galaxy formation simulations: method and implementation
• Timing in the Time Domain: Cygnus X-1
• Origin of Spin-Orbit Misalignments: The Microblazar V4641 Sgr
• The X-ray spectrum of NGC 7213 and the Seyfert--LINER connection
• A Chandra X-ray Study of NGC 1068: II. The Luminous X-ray Source Population
• Interference as an origin of the peaked noise in accreting X-ray binaries
• Chandra and RXTE Spectroscopy of the Galactic Microquasar XTE J1550-564 in Outburst
• Energetic and Broad Band Spectral Distribution of Emission from Astronomical Jets
• Outflows in the Radio-Intermediate Quasar III Zw 2: A Polarization Study with the EVLA & uGMRT
• Modelling the Energy Dependence of Black Hole Binary Flows
• Multi-Wavelength Coverage of State Transitions in the New Black Hole X-Ray Binary Swift J1910.2-0546
• X-ray polarization from accretion disk winds
• A NICER look at the jet-like corona of MAXI J1535-571 through type-B quasi-periodic oscillations
• X-Ray Observations of XTE J1550-564 During the Decay of the 2000 Outburst - II. Timing
• The hard to soft transition of GX 339-4 as seen by Insight-HXMT
• Possible hard X-ray shortages in bursts from KS 1731-260 and 4U 1705-44
• Radiatively Inefficient Accretion Flow Simulations with Cooling: Implications for Black Hole Transients
• Effects of High-Energy Particles on Accretion Flows onto a Supermassive Black Hole
• Testing evolution of LFQPOs with mass accretion rate in GRS 1915+105 with Insight-HXMT
• Particle Diffusion and Acceleration in Magnetorotational Instability Turbulence
• Fast infrared variability from the black-hole candidate MAXI J1535$-$571 and tight constraints on the modelling
• Monte Carlo simulations of global Compton cooling in inner regions of hot accretion flows
• High redshift radio quiet quasars - exploring the parameter space of accretion models. Part I: hot semi-spherical flow
• X-ray quasi-periodic oscillations in Lense-Thirring precession model -- II. variability of relativistic iron K$\alpha$ line
• Spectral properties of Three-dimensional Magneto-hydrodynamical Accretion Flows
• Advection-dominated Inflow/Outflows from Evaporating Accretion Disks
• A unified accretion-ejection paradigm for black hole X-ray binaries. VI. Radiative efficiency and radio-X-ray correlation during four outbursts from GX339-4
• Modeling Magnetic Disk-Wind State Transitions in Black Hole X-ray Binaries
• Comparing the Accretion Disk Evolution of Black Hole and Neutron Star X-ray Binaries from Low to Super-Eddington Luminosity
• Suzaku Observation of the Black Hole Binary 4U 1630--47 in the Very High State
• A Dynamical Study of the Black Hole X-ray Binary Nova Muscae 1991
• Predictions for Fourier-resolved X-ray spectroscopy from the model of magnetic flare avalanches above an accretion disc with hot ionized skin
• Testing models of X-ray reflection from irradiated disks
• Origin of Radio Emission from Nearby Low-Luminosity Active Galactic Nuclei
• Are Low-Frequency Quasi-Periodic Oscillations seen in accretion flows the disk response to a jet instability?
• Compton Scattering in Static and Moving Media. II. System-Frame Solutions for Spherically Symmetric Flows
• Radiative plasma simulations of black hole accretion flow coronae in the hard and soft states
• INTEGRAL 11-year hard X-ray survey above 100 keV
• Do the spectral energy distributions of type 1 AGN show diversity?
• Evolution of the hot flow of MAXI J1543-564
• Multi-wavelength Variability of the Broad Line Radio Galaxy 3C 120
• Disk-Evaporation Fed Corona: Structure and Evaporation Feature with Magnetic Field
• Interplay of spectral components in timing properties of accreting compact objects
• Evidence for higher black hole spin in radio-loud quasars
• Observations of the Disk/Jet Coupling of MAXI J1820+070 During its Descent to Quiescence
• Effect of geometrically thin discs on precessing, thick flows: Relevance to type-C QPOs
• Magnetic Flux Transport in Radiatively Inefficient Accretion Flows and the Pathway towards a Magnetically Arrested Disk
• Jet-dominated quiescent states in black hole X-ray binaries: the case of V404 Cyg
• No Correlation Between Disc Scale-Height and Jet Power in GRMHD Simulations
• Possible range of viscosity parameter to trigger black hole candidates to exhibit different states of outbursts
• Long-Term Spectral Variations of Ultraluminous X-ray Sources in the Interacting Galaxy Systems M51 and NGC4490/85
• The Dynamics of Truncated Black Hole Accretion Disks II: Magnetohydrodynamic Case
• Disk Outflows and the Accretion Rate Gap
• The effect of disk magnetic fields on the truncation of geometrically thin disks in AGN
• Gamma-ray activity of Seyfert galaxies and constraints on hot accretion flows
• Extremely Weak Reflection Features in the X-ray Spectrum of XTE J1118+480: Possible Evidence for X-ray-Emitting Jets?
• Unveiling the temporal properties of MAXI J1820+070 through AstroSat observations
• The 2009 outburst of H~1743-322 as observed by RXTE
• On the disappearance of broad-line region in low-luminosity active galactic nuclei: the role of the outflows from advection dominated accretion flows
• The origin of seed photons for Comptonization in the black hole binary Swift J1753.5-0127
• M87: a cosmic laboratory for deciphering black hole accretion and jet formation
• The variability of Sagittarius A* at 3 millimeter
• The relation between star formation rate and accretion rate in LINERs
• Investigating the impact of vertically extended coronae on X-ray reverberation mapping
• A comparison of X-ray photon indices among the narrow and broad-line Seyfert 1 galaxies
• MOCMC: Method of Characteristics Moment Closure, a Numerical Method for Covariant Radiation Magnetohydrodynamics
• An outburst scenario for the X-ray spectral variability in 3C 111
• On the wind production from hot accretion flows with different accretion rates
• Nonthermal processes in hot accretion flows onto supermassive black holes: An inhomogeneous model
• A luminous hot accretion flow in the low-luminosity active galactic nucleus NGC 7213
• Jets and the Accretion Flow in Low Luminosity Black Holes
• The condensation of the corona for the correlation between the hard X-ray photon index $\Gamma$ and the reflection scaling factor $\Re$ in active galactic nuclei
• No evidence for a central IMBH in M15
• Are the jets accelerated from the disk coronas in some active galactic nuclei?
• Probing the Two-Temperature Paradigm: Observational Tests for the Basic Assumptions in ADAFs
• Suzaku Observations of the Black Hole H1743-322 in Outburst
• Insight-HXMT Study of the Inner Accretion Disk in the Black Hole Candidate EXO 1846--031
• Detection of Very Low-Frequency Quasi-Periodic Oscillations in the 2015 Outburst of V404 Cygni
• Properties of the two-temperature corona model for active galactic nuclei and galactic black holes
• Accretion geometry of the black hole binary MAXI J1820+070 probed by frequency-resolved spectroscopy
• A state-dependent influence of the type-I bursts on the accretion in 4U 1608--52?
• Very fast X-ray spectral variability in Cygnus X-1: Origin of the hard and soft-state emission components
• AstroSat view of the newly discovered X-ray transient MAXI~J1803--298 in the Hard-intermediate state
• NuSTAR and XMM-Newton observations of the 2015 outburst decay of GX 339-4
• The accretion flow geometry of MAXI J1820+070 through broadband noise research with Insight-HXMT
• On the disc reflection spectroscopy of NS LMXB Serpens~X-1: analysis of a recent NuSTAR observation
• Hard and soft spectral states of ULXs
• Influence of the Magnetic Coupling Process on the Advection Dominated Accretion Flows around Black Holes
• A jet model for Galactic black-hole X-ray sources: the cutoff energy-phase-lag correlation
• The reflection spectrum of the low-mass X-ray binary 4U 1636-53
• MAXI observations of long-term variations of Cygnus X-1 in the low/hard and the high/soft states
• An underlying clock in the extreme flip-flop state transitions of the black hole transient Swift J1658.2-4242
• Diagnosing the burst influence upon accretion in the clocked burster GS 1826--238
• HFQPOs and discoseismic mode excitation in eccentric, relativistic discs. II. Magnetohydrodynamic simulations
• Multi-Wavelength Monitoring of GRS 1915+105
• Lepton acceleration in the vicinity of the event horizon: Very-high-energy emissions from super-massive black holes
• Where have all the black holes gone?
• Study of the X-ray properties of the neutron-star binary 4U 1728$-$34 from the soft to hard state
• Comptonization in the vicinity of black hole horizon
• A global study of Type B quasi-periodic oscillation in black hole X-ray binaries
• Propeller driven spectral state transition in LMXB 4U 1608-52
• Irradiation of accretion discs in active galactic nuclei due to warm absorber
• High-density reflection spectroscopy of black hole X-ray binaries in the hard state
• Spectro-timing study of GX 339-4 in a hard intermediate state
• Retrograde versus prograde models of accreting black holes
• Illumination of the accretion disk in black hole binaries: An extended jet as the primary source of hard X-rays
• A Phase-resolved View of the Low-frequency Quasiperiodic Oscillations from the Black Hole Binary MAXI J1820+070
• The change from accretion via a thin disk to a coronal flow: dependence on the viscosity of the hot gas
• Can Isolated Single Black Holes Produce X-ray Novae?
• Evidence for Disk Truncation at Low Accretion States of the Black Hole Binary MAXI J1820+070 Observed by NuSTAR and XMM-Newton
• Constraining black hole masses in low-accreting AGN using X-ray spectra
• Combining timing characteristics with physical broadband spectral modelling of black hole X-ray binary GX~339$-$4
• Tracking the Complex Absorption in NGC 2110 with Two Suzaku Observations
• Broadband X-ray Spectral and Timing Analyses of the Black Hole Binary Candidate Swift J1658.2-4242: Rapid Flux Variation and the Turn-on of a Transient QPO
• Optical, J, and K light curves of XTE J1118+480 = KV UMa: the mass of the black hole and the spectrum of the non-stellar component
• The Long-term Variability of the X-ray Sources in M82
• A Note on Bimodal Accretion Disks
• GRS 1739-278 observed at very low luminosity with XMM-Newton and NuSTAR
• Timing analysis of the black hole candidate EXO 1846-031 with Insight-HXMT monitoring
• A Cigale module tailored (not only) for Low-Luminosity AGN
• Spectral analysis in orbital/superorbital phase space and hints of superorbital variability in the hard X-rays of LS I +61 303
• The effect of heat conduction on the interaction of disk and corona around black holes
• A Phase Lag between Disk and Corona in GRMHD Simulations of Precessing Tilted Accretion Disks
• Black Holes Up Close
• Black holes: Timing and spectral properties and evolution
• Observations of the quiescent X-ray transients GRS 1124-684 (=GU Mus) and Cen X-4 (=V822 Cen) taken with ULTRACAM on the VLT
• The Accreting Black Hole Swift J1753.5-0127 from Radio to Hard X-Ray
• A panchromatic review of thermal and nonthermal active galactic nuclei
• Hystereses in dwarf nova outbursts and low-mass X-ray binaries
• Probing an X-ray flare pattern in Mrk 421 induced by multiple stationary shocks: a solution to the bulk Lorentz factor crisis
• Swift and RXTE observations of the black hole transient GX 339-4 in the hard state between outbursts
• Multi-wavelength detectability of isolated black holes in the Milky Way
• Global Transonic Solution of Hot Accretion Flow with Thermal Conduction
• Dynamics of Hot Accretion Flow with Thermal Conduction
• Testing a model of variability of X-ray reprocessing features in Active Galactic Nuclei
• Analytical Model of Disk Evaporation and State Transitions in Accreting Black Holes
• Analysis of the reflection spectra of MAXI J1535-571 in the hard and intermediate states
• Infrared colour properties of nearby radio-luminous galaxies
• Multiwavelength observations of MAXI J1820+070 during its outburst decay and subsequent mini-outburst
• The Obsidian model: Three regimes of black hole feedback
• X-ray Line Diagnostics of Hot Accretion Flows around Black Holes
• Simultaneous Optical/X-ray study of GS 1354-64 (=BW Cir) during hard outburst: evidence for optical cyclo-synchrotron emission from the hot accretion flow
• State transitions of GX 339-4 during its outburst rising phase
• Inclination effects on the X-ray emission of Galactic black-hole binaries
• RXTE/ASM and Swift/BAT Observations of Spectral Transitions in Bright X-ray Binaries in 2005-2010
• Tracking the energetics of the non-thermal disc-corona-jet in the very high state GX 339-4
• Fast transitions of X-ray variability in the black hole transient GX 339--4: comparison with MAXI J1820+070 and MAXI J1348-630
• Long term X-ray spectral variability of the nucleus of M81
• Discovery and evolution of the new black hole candidate Swift J1539.2-6227 during its 2008 outburst
• What Powers the Most Relativistic Jets? I: BL Lacs
• Spectral and polarization properties of reflected X-ray emission from black-hole accretion discs for a distant observer: the lamp-post model
• Mixed H/He bursts in SAX J1748.9-2021 during the spectral change of its 2015 outburst
• Local models of two-temperature accretion disc coronae. I. Structure, outflows, and energetics
• FBQS J1644+2619: multiwavelength properties and its place in the class of gamma-ray emitting Narrow Line Seyfert 1s
• Modeling the hard states of three black hole candidates
• X-ray spectra of hot accretion flows
• Long Term Spectral and Timing Behavior of the Black Hole Candidate XTE J1908+094
• Evolution of cross-correlation and time lag of 4U 1735-44 along the branches
• Time-lag between disk and corona radiation leads to hysteresis effect observed in black-hole X-ray binary MAXI J1348-630
• Possible evidence for the disk origin for the powering of jets in Sgr A* and nearby elliptical galaxies
• Long-term Multi-wavelength Observations of GRS 1758-258 and the ADAF Model
• Soft X-ray components in the hard state of accreting black holes
• X-Ray spectra from accretion disks illuminated by protons
• Re-awakening of GRS 1716--249 after 23 years, observed by {\it Swift}/XRT and {\it NuSTAR}
• HFQPOs and discoseismic mode excitation in eccentric, relativistic discs. I. Hydrodynamic simulations
• Chandra X-ray Constraints on the Candidate Ca-rich Gap Transient SN 2016hnk
• A strongly changing accretion morphology during the outburst decay of the neutron star X-ray binary 4U 1608-52
• MAXI J1820+070 with NuSTAR II. Flaring during the hard to soft state transition with a long soft lag
• Jets in the soft state in Cyg X-3 caused by advection of the donor magnetic field and unification with low-mass X-ray binaries
• Constraining the number of compact remnants near Sgr A*
• The Effects of Magnetic Field Strength on Properties of Wind Generated from Hot Accretion Flow
• Prototyping non-equilibrium viscous-timescale accretion theory using LMC X-3
• Disk-jet coupling changes as a possible indicator for outbursts from GX 339-4 remaining within the X-ray hard state
• The connection between the UV/optical and X-ray emission in the neutron star low-mass X-ray binary Aql X-1
• Jet Signatures in the Spectra of Accreting Black Holes
• The X-ray Properties of Million Solar Mass Black Holes
• Probing the Inflow/Out-flow and Accretion Disk of Cyg X-1 in the High State with HETG/Chandra
• Low Frequency Quasi-periodic Oscillation in MAXI J1820+070: Revealing distinct Compton and Reflection Contributions
• Possible Evidence of a Universal Radio/X-ray Correlation in a near-Complete Sample of Hard X-ray Selected Seyfert Galaxies
• On the effect of coronal outflow on spectra formation in galactic black hole systems
• Jet production in black-hole X-ray binaries and active galactic nuclei: mass feeding and advection of magnetic fields
• ADAFs -- Models, Observations and Problems
• The advection-dominated accretion flow+thin accretion disk model for two low-luminosity active galactic nuclei: M81 and NGC4579
• The 2D disk structure with advective transonic inflow-outflow solutions around black holes
• On the Origin of the Hard X-Ray Background
• Theoretical overview on high-energy emission in microquasars
• A Circumbinary Disk Model for the Rapid Orbital Shrinkage in Black Hole Low-Mass X-ray Binaries
• Constraining the Coronal Heights and Readjustment Velocities Based on the Detection of a Few Hundred Seconds Delays in the Z Source GX 17+2
• Damped harmonic oscillator interpretation of the soft-state power spectra of Cyg X-1
• Colors and patterns of black hole X-ray binary GX 339-4
• The role of advection in the accreting corona model for active galactic nuclei and Galactic black holes
• Quasi-periodic oscillations in GX 339-4 during the 2021 Outburst observed with Insight-HXMT
• Clues on jet behavior from simultaneous radio-X-ray fits of GX339-4
• Multi-wavelength light curve evolution of Swift J1357.2-0933 during its 2011 outburst
• Thermal wind from hot accretion flows at large radii
• Study of the reflection spectrum of the bright atoll source GX 3+1 with NuSTAR
• Evidence for a black hole spin--orbit misalignment in the X-ray binary Cyg X-1
• Accretion Properties of MAXI J1813-095 during its Failed Outburst in 2018
• Persistent mysteries of jet engines, formation, propagation, and particle acceleration: have they been addressed experimentally?
• Energy-dependent variability of the bare Seyfert 1 galaxy Ark 120
• Phase lags of quasi-periodic oscillations across source states in the low-mass X-ray binary 4U 1636-53
• On the origin of the hard X-ray tail in neutron-star X-ray binaries
• Thermal X-ray iron line emission from the advection dominated accretion flow in the galactic binary GX 339-4
• Anti-correlated Soft Lags in the Intermediate State of Black Hole Source GX 339-4
• The transition from quasar radio-loud to radio-quiet state in the framework of the black hole scalability hypothesis
• The Contribution of Particle Impact to the Production of Fe K Emission from Accreting Black Holes
• Hard X-ray emitting black hole fed by accretion of low angular momentum matter
• Galactic Black HOle Binary Systems
• Hard X-ray emission from a Compton scattering corona in large black hole mass tidal disruption events
• Trace the Accretion Geometry of H 1743--322 with Type C Quasi-periodic Oscillations in Multiple Outbursts
• MAXI and NuSTAR observations of the faint X-ray transient MAXI J1848-015 in the GLIMPSE-C01 Cluster
• Whispering in the dark: Faint X-ray emission from black holes with OB star companions
• Evidence of Outflow Induced Soft Lags of Galactic Black Holes
• Toward a Larger Sample of Radio Jets from Quiescent Black Hole X-ray Binaries
• Discovery of high-amplitude X-ray variability in the Seyfert-LINER transition galaxy NGC7589
• Multiwavelength Monitoring of the Dwarf Seyfert 1 Galaxy NGC 4395. II. X-ray and Ultraviolet Continuum Variability
• A broadband radio view of transient jet ejecta in the black hole candidate X-ray binary MAXI J1535-571
• 2016 outburst of H~1743--322: \textit{XMM-Newton} and \textit{NuSTAR} view
• A truncated accretion disk in the galactic black hole source H1743-322
• Modelling the variability of the Fe K alpha line in accreting black holes
• X-ray spectral correlations in a sample of Low-mass black hole X-ray binaries in the hard state
• Implications on accretion flow dynamics from spectral study of Swift~J1357.2-0933
• Radio/X-ray Correlation in the Mini-Outburts of Black Hole X-ray Transient GRS 1739--278
• USA Observation of Spectral and Timing Evolution During the 2000 Outburst of XTE J1550-564
• Hubble Space Telescope Observations of the Black Hole X-ray Transient GRO J0422+32 Near Quiescence
• Activity From Tidal Disruptions in Galactic Nuclei
• Numerical Study on Outflows in Seyfert Galaxies I: Narrow Line Region Outflows in NGC 4151
• A universal scaling law of black hole activity including gamma-ray bursts
• A General Relativistic Magnetohydrodynamic Model of High Frequency Quasi-periodic Oscillations in Black Hole Low-Mass X-ray Binaries
• Evidence for changes in the radiative efficiency of transient black hole X-ray binaries
• General Physical Properties of Gamma-Ray-emitting Radio Galaxies
• Coronal Properties of Low-Accreting AGNs using Swift, XMM-Newton and NuSTAR Observations
• Thermally Driven Winds from Radiatively Inefficient Accretion Flows
• Accretion Rates onto Massive Black Holes in Four Quiescent Elliptical Galaxies
• Warm absorber and truncated accretion disc in IRAS 05078+1626
• Radiative Processes and Geometry of Spectral States of Black-Hole Binaries
• Spectrum of jet emitting disc: Application to microquasar XTE J1118+480
• The properties of cross-correlation and spectra of the low-mass X-ray binary 4U 1608-52
• Constraints on the radio loud/radio quiet dichotomy from the fundamental plane
• X-rays from cusps of compact remnants near galactic centres
• Using the bispectrum to probe radio X-ray correlations in GRS 1915+105
• The Large Amplitude X-ray Variability in NGC 7589: Possible Evidence for Accretion Mode Transition
• Changing Accretion Geometry of Seyfert 1 Mrk 335 with {\it NuSTAR}: A Comparative Study
• A simplified global solution for an advection-dominated accretion flow
• Vanishing hardness-flux correlation in Cygnus X-1: signs of the disc moving out
• Possible Evidence for a Truncated Thin Disk in Seyfert 1 Galaxy NGC4593
• Spherical Accretion in Nearby Weakly Active Galaxies
• Reflare in MAXI J1348-630]{Evolution of disc and corona in MAXI J1348-630 during the 2019 reflare: NICER and Insight-HXMT view
• AstroSat/UVIT observations of IC4329A: Constraining the accretion disc inner radius
• Detection of distinct power spectra in soft and hard X-ray bands in the hard state of GRS 1915+105
• Dependence of the broad Fe K$\alpha$ line on the physical parameters of AGN
• Observational Signatures of Mass-Loading in Jets Launched by Rotating Black Holes
• Was the Narrow Line Seyfert 1 RGB J0044+193 ever radio loud?
• B3\,0749+460A: A New "Changing-Look" Active Galactic Nucleus Associated with X-ray Spectral Slope Variations
• Superradiant instabilities by accretion disks in scalar-tensor theories
• Modeling the Broadband Spectral Energy Distribution of the Microquasars XTE J1550-564 and H 1743-322
• The X-ray Spectrum Of The Black Hole Candidate Swift J1753.5-0127
• Reprocessing of radiation by multi-phase gas in Low Luminosity Accretion Flows
• A UV flux drop preceding the X-ray hard-to-soft state transition during the 2010 outburst of GX 339-4
• Fast Timing Analysis of Cygnus X-1 using SPI on board INTEGRAL
• State Transitions in Ultracompact Neutron Star LMXBs: towards the Low Luminosity Limit
• A strong negative correlation between radio loudness $R_{\mathrm{UV}}$ and optical-to-X-ray spectral index ${\alpha }_{\mathrm{ox}}$ in low-luminosity AGNs
• X-ray spectral cut-off and the lack of hard X-ray emission from two ultraluminous X-ray sources M81 X-6 and Holmberg IX X-1
• A retrograde spin of the black hole in MAXI J1659--152
• A systematic study of the advection-dominated accretion flow for the origin of the X-ray emission in weakly magnetized low-level accreting neutron star
• X-ray Spectral Analysis of the Steady States of GRS 1915+105
• A NuSTAR and Swift View of the Hard State of MAXI J1813-095
• Probing the hard and intermediate states of X-ray binaries using short time-scale variability
• Accretion disc-corona and jet emission from the radio-loud narrow-line Seyfert 1 galaxy RX J1633.3+4719
• Back to business: SLX 1746--331 after 13 years of silence
• X-ray and Optical Observations of the Black Hole Candidate MAXI J1828-249
• NICER, NuSTAR and Insight-HXMT views to black hole X-ray binary SLX 1746--331
• XMM-Newton Spectroscopy of the Galactic Microquasar GRS 1758-258 in the Peculiar Off/Soft State
• Thermal solutions of strongly magnetized disks and the hysteresis in X-ray binaries
• Probing the precession of the inner accretion disk in Cygnus X-1
• The 2008 outburst of IGR J17473--2721: evidence for a disk corona?
• A High-Frequency Doppler Feature in the Power Spectra of Simulated GRMHD Black Hole Accretion Disks
• Properties of accretion flow in deformed Kerr spacetime
• High-energy Gamma-rays from Magnetically Arrested Disks in Nearby Radio Galaxies
• NICER and Swift/XRT monitoring of the 2023 outburst of Swift J1727.7-1613
• Effect of Coriolis force on Accretion Flows around Rotating Compact Object
• Exploring the broadband spectral and timing characteristics of GRS 1915+105 with AstroSat and NICER observations
• Distinct accretion modes of Cygnus X-1 revealed from hard X-rays
• On the origin of the featureless soft X-ray excess emission from the Seyfert 1 galaxy ESO~198--G24
• Accretion Disc Evolution in GRO J1655-40 and LMC X-3 with Relativistic and Non-Relativistic Disc Models
• Advection-dominated accretion flow for the varied transition luminosities in black hole X-ray binaries
• Spectral components in black hole X-ray binaries
• A Model of Magnetically Induced Disc-Corona for Black Hole Binaries
• Observational Constraints on Direct Electron Heating in the Hot Accretion Flows in Sgr A* and M87*
• Atomic X-ray Spectroscopy of Accreting Black Holes
• Relativistic Accretion Mediated by Turbulent Comptonization
• The inner flow geometry in MAXI J1820+070 during hard and hard-intermediate states
• What Kinds of Accretion Disks Are There in the Nuclei of Radio Galaxies?
• Launching and Quenching of Black Hole Relativistic Jets at Low Accretion Rate
• Pre-outburst $Chandra$ Observations of the Recurrent Nova T Pyxidis
• Impact of the cosmic neutrino background on black hole superradiance
• Evidence For Advective Flow From Multi-Wavelength Observations Of Nova Muscae
• Insight-HXMT, NICER and NuSTAR views to the newly discovered black hole X-ray binary Swift J151857.0--572147
• Close stars and accretion in Low Luminosity Active Galactic Nuclei
• The XMM deep survey in the CDF-S. X. X-ray variability of bright sources
• Constraints on the disc-magnetosphere interaction in accreting pulsar 4U 1626--67
• A jet-dominated model for a broad-band spectral energy distribution of the nearby low-luminosity active galactic nucleus in M94
• Review the possible advective disk structures around a black hole with two-type gas inflows
• Anisotropic X-ray emission in AGN accretion discs
• Disk/corona model: The transition to ADAF
• XMM-Newton observation of 4U 1543-475: the X-ray spectrum of a stellar-mass black-hole at low luminosity
• A Dependable Distance Estimator to Black Hole Low-Mass X-ray Binaries
• X-ray Dip Monitoring of XB 1916-053
• A Study of the Variation of Geometry of Accretion Flows of Compact Objects through Timing and Spectral Analysis of Their Outbursts
• Evidence of hard power-law spectral cutoff and disc reflection features from the X-ray transient XTE J1739-285
• Self-similar solutions of viscous and resistive ADAFs with thermal conduction
• Black hole X-ray transients: mass accumulation in the disk - constraints for the viscosity
• Multiwavelength Observations of the Black Hole X-ray Binary MAXI J1820$+$070 in the Rebrightening Phase
• Effect of matter geometry on low angular momentum black hole accretion in the Kerr metric
• Probing black-hole accretion through time variability
• Are Compton-thin AGNs Globally Compton Thin?
• Satellite observations of thought experiments close to a black hole
• Evidence for Low Universal Equilibrium Black Hole Spin in Luminous Magnetically Arrested Disks
• Constraints on black hole spins with a general relativistic accretion disk corona model
• Hot, cold, and multi-component accretion flows around supermassive black hole binaries
• Accretion flows in the hard state of black hole X-ray binaries: the effect of hot gas condensation
• Hard X-ray emission in Centaurus A
• Active galaxy 4U 1344-60: did the relativistic line disappear?
• Angular momentum transport and thermal stabilization of optically thin, advective accretion flows through large-scale magnetic fields
• An X-ray View of the Ambiguous Nuclear Transient AT2019pev
• Multi-wavelength properties of changing-state active galactic nuclei: I. the evolution of soft excess and X-ray continuum
• Accretion in Strong Gravity: From Galactic to Supermassive Black Holes
• Cosmological Evolution Models for QSO/AGN Luminosity Functions: Effects of Spectrum-Luminosity Correlation and Massive Black Hole Remnants
• A cool disk in the Galactic Center?
• The inner structure and thermodynamics of a thin accretion disc
• Studying temporal variability of GRS1739-278 during the 2014 outburst
• Selected Chapters on Active Galactic Nuclei as Relativistic Systems
• Self-similar solutions for finite size advection-dominated accretion flows
• Searching for quantum-gravity footprint around stellar-mass black holes
• A combined model for the X-ray to gamma-ray emission of Cyg X-1
• Fast X-ray/IR observations of the black hole transient Swift~J1753.5--0127: from an IR lead to a very long jet lag
• The AGN/Normal Galaxy Connection : Summary
• Magnetic Coupling of a Rotating Black Hole with Advection-Dominated Accretion Flows
• NuSTAR and Swift observations of Swift J1357.2-0933 during an early phase of its 2017 outburst
• The Study of Jet Formation Mechanism in Fermi Blazars
• Modeling the Spectrum of IGR J17177-3656
• Investigating the coronal structure by studying time lags in the Atoll source 4U 1705-44 using AstroSat
• Jet-dominated quiescent state in black hole X-ray binaries: the cases of A0620--00 and XTE J1118+480
• Shock-induced partial alignment in geometrically-thick tilted accretion disks around black holes
• Effects of Spin on High-Energy Radiation from Accreting Black Holes
• Vertically Self-Gravitating ADAFs in the Presence of Toroidal Magnetic Field
• The effect of dissipative corona on the structure and stability of cold optically thick accretion disks at high accretion rates
• Influence of matter geometry on shocked flows-I: Accretion in the Schwarzschild metric
• The 2009 outburst from the new X-ray transient and black-hole candidate XTE J1652$-$453
• Rapid Spectral Parameter Prediction for Black Hole X-Ray Binaries using Physicalised Autoencoders
• Tilted Accretion Disks
• A Multi-Wavelength Characterization of the Obscuring Medium at the Center of NGC 6300
• Microflares in accretion disks
• Modeling fast X-ray variability around an accreting black hole
• An Observational Signature of Sub-Equipartition Magnetic Fields in the Spectra of Black Hole Binaries
• X-Ray Lines from Hot Flows around White Dwarfs. Application to SS Cygni
• Broad-band noises in GX 339-4 during the 2021 outburst observed with Insight-HXMT and NICER
• Ionization structure and Fe K$\alpha$ energy for irradiated accretion disks
• PIC simulation study of the interaction between a relativistically moving leptonic micro-cloud and ambient electrons
• Shot cutoff timescales in different spectral states of Cygnus X-1
• X-Ray Spectral Variability in Initial Rise of XTE J1550-564
• Black Hole Spectral States and Physical Connections
• A possible jet and corona configuration for Swift J1727.8--1613 during the hard state
• Misalignment of the Lense-Thirring precession by an accretion torque
• Investigating disc-corona interaction in axisymmetric accretion disc models
• Low frequency QPOs and possible change in the accretion geometry during the outbursts of Aquila X$-$1
• Improved model of X-ray emission from hot accretion flows
• An Optical Study of BG Geminorum: An Ellipsoidal Binary with an Unseen Primar Star
• Effect of non-stationary accretion on spectral state transitions: An example of a persistent neutron star LMXB 4U 1636-536
• Pion production in the inner disk around Cygnus X-1
• Swift/BAT and MAXI/GSC Broadband Transient Monitor
• EXITE2 Observation of the SIGMA Source GRS 1227+025
• Accretion with two-phase gas supply and its application in black hole X-ray binaries
• Tracking optical variability and outflows across the accretion states of the black hole transient MAXI J1820+070
• Rapid onset of a Comptonisation zone in the repeating tidal disruption event XMMSL2 J140446.9-251135
• The VLT-FLAMES survey of massive stars. NGC2004#115: A triple system hosting a possible short period B+BH binary
• Secrets behind the RXTE/ASM light curve of Cyg X-3
• Tracking the evolution of the accretion flow in MAXI J1820+070 during its hard state with the JED-SAD model
• A magnetic accretion disk-outflow model for state transition in X-ray binaries
• A (likely) X-ray jet from NGC6217 observed by XMM-Newton
• Interaction between disk and extended corona in a general relativistic framework
• Polarization Signatures of Quasi-Periodic Oscillations in Simulated Tilted, Truncated Disks
• A Monte Carlo Study of the Spectra from Inhomogeneous Accretion Flow
• A truncated inner disc in the Seyfert 1 galaxy WKK 4438
• A disk-corona model for low/hard state of black hole X-ray binaries
• Algorithms and radiation dynamics for the vicinity of black holes I. Methods and codes
• Transient jet ejections associated with limit-cycle behaviors in the very high state of black hole binaries
• The width-flux relation of the broad iron line during the state transition of the black hole X-ray binaries
• A magnetic model for low/hard state of black hole binaries
• State transitions triggered by inverse magnetic field: probably applied in high-mass X-ray binaries?
• Extracting common signal components from the X-ray and optical light curves of GX 339-4: new view for anti-correlation
• X-ray polarization in radio-quiet AGN: Insights from the wedge corona model using Monte Carlo simulations
• The first extragalactic ultra-compact X-ray binary : a candidate black hole-white dwarf system
• Accretion Geometry of Black Hole X-ray Binaries: Insights from X-ray Observations
• The peculiar disk evolution of 4U 1630--472 observed by Insight-HXMT during the 2022 and 2023 outbursts
• Ultraviolet spectroscopy of the black hole X-ray binary MAXI J1820+070 across a state transition
• Spectral Analysis of New Black Hole Candidate AT2019wey Observed by NuSTAR
• On the origin of core radio emissions from black hole sources in the realm of relativistic shocked accretion flow
• Power spectral properties of the soft spectral states in four black hole transients
• The complex spectral behavior of the newly discovered neutron star X-ray binary Swift J1858.6-0814
• Large optical modulations during 2018 outburst of MAXI J1820+070 reveal evolution of warped accretion disc through X-ray state change
• Inner region accretion flows onto black holes
• Proper Motion and Natal Kick in the Galactic Black Hole X-ray Binary AT2019wey
• X-ray Polarization of Inverse Compton Scattering by Thermal and Nonthermal Electrons
• Photon Escape from Slab Thomson Media: A Scattering-order-resolved Recursive Formalism for Comptonization Applications
• Relativistic Accretion Flow in a Generic Class of Spherically Symmetric Static Spacetime
• Optical polarimetry of the accreting black hole X-ray binary Swift J1727.8$-$1613 over the state transition and radio ejections
• X-ray energy and power spectra of Seyfert 1 and Narrow Line Seyfert 1 galaxies: comparison to Black Hole Binaries
• Black Hole merger rates in the first billion years in light of JWST data
• A unified paradigm for the spectral and temporal evolution of Black Hole X-ray Binaries
• Multi-mission view of extragalactic black hole X-ray binaries LMC X-1 and LMC X-3: evolution of broadband spectral features
• X-ray polarization observations of NGC 2110 with IXPE
• Jet-dominated advective systems of all mass scales
• Accretion-disk reflection in the Seyfert 1 galaxy NGC 3783 as viewed by Chandra grating spectroscopy
• The correlation timescale of the X-ray flux during the outbursts of soft X-ray transients
• Relativistic smearing of the reflection spectrum in Galactic Black Hole Candidates
• Kinetic Effects on Turbulence Driven by the Magnetorotational Instability in Black Hole Accretion
• Fast giant flares in discs around supermassive black holes
• X-ray Spectra From Weakly Magnetized Accretion Flows
• The black hole X-ray binary MAXI J1348$-$630 in quiescence