Hard X-ray emission of the microquasar GRO J1655-40 during the rise of its 2005 outburst

Abstract

We present the analysis of the high energy emission of the Galactic black hole GRO J1655-40 at the beginning of its 2005 outburst. The data from 458 ks of INTEGRAL observations, spread over 4 weeks, are analyzed, along with the existing simultaneous RXTE and Swift data. The high energy data allow us to detect the presence of a high energy cut-off and to study its evolution during the outburst rise. This high energy feature is generally related to thermal mechanisms in the framework of Comptonization models from which we can estimate the plasma parameters. We found an electron temperature of about 30-40 keV and an optical depth around 1.8-2.1. The high energy cut-off decreased along with the radio flux, and disappeared as the jet turned off.

arXiv comment24 pages, 5 figures, accepted for publication in the Astrophsical Journal

References in corpus (26)

• X-ray Properties of Black-Hole Binaries
• Advection-Dominated Accretion: Underfed Black Holes and Neutron Stars
• A universal radio/X-ray correlation in low/hard state black hole binaries
• The evolution of the timing properties of the black-hole transient GX 339-4 during its 2002/2003 outburst
• The evolution of black hole states
• Plasma Ejection from Magnetic Flares and the X-ray Spectrum of Cygnus X-1
• In-flight Performance of the High Energy X-ray Timing Experiment on the Rossi X-ray Timing Explorer
• Quenching of the radio jet during the X-ray high state of GX 339-4
• Optical and Infrared Photometry of the Micro-Quasar GRO J1655-40 in Quiescence
• Spectral evolution of magnetic flares and time lags in accreting black hole sources
• On the Origin of Radio Emission in the X-ray States of XTE J1650-500 during the 2001-2002 Outburst
• Understanding the long-term spectral variability of Cygnus X-1 with BATSE and ASM observations
• X-ray Spectral Formation in a Converging Fluid Flow: Spherical Accretion into Black Holes
• X-ray spectra of accretion discs with dynamic coronae
• Broad band high energy observations of the superluminal jet source GRO J1655-40 during an outburst
• Electron-Positron Outflows from Gamma-Ray Emitting Accretion Discs
• X-Ray Observations of XTE J1550-564 During the Decay of the 2000 Outburst - I. Chandra and RXTE Energy Spectra
• GRS 1915+105: the distance, radiative processes and energy-dependent variability
• Bimodal spectral variability of Cygnus X-1 in an intermediate state
• ``Canonical'' Black Hole States in the Superluminal Source GRO J1655-40
• GRO J1655-40: Early Stages of the 2005 Outburst
• XMM-Newton and INTEGRAL spectroscopy of the microquasar GRO J1655-40 during its 2005 outburst
• The 2005 outburst of GRO J1655-40: spectral evolution of the rise, as observed by Swift
• On the distance of GRO J1655-40
• State transition and flaring activity of IGR J17464-3213/H1743-322 with SPI/INTEGRAL telescope
• The high energy emission of GRO J1655-40 as revealed with INTEGRAL spectroscopy of the 2005 outburst

Cited by in corpus (37)

• WATCHDOG: A Comprehensive All-Sky Database of Galactic Black Hole X-ray Binaries
• States and transitions in black-hole binaries
• The evolution of the high-energy cut-off in the X-Ray spectrum of the GX 339-4 across a hard-to-soft transition
• Discovery of two simultaneous non-harmonically related Quasi-Periodic Oscillations in the 2005 outburst of the black-hole binary GRO J1655-40
• MAXI J1820+070 with NuSTAR I. An increase in variability frequency but a stable reflection spectrum: coronal properties and implications for the inner disc in black hole binaries
• Evidence for a compact jet dominating the broadband spectrum of the black hole accretor XTE J1550-564
• Reflection Spectra of the Black Hole Binary Candidate MAXI J1535-571 in the Hard State Observed by NuSTAR
• An overview of jets and outflows in stellar mass black holes
• Evidence for a change in the X-ray radiation mechanism in the hard state of Galactic black holes
• The black hole binary V404 Cygni: an obscured AGN analogue
• Spectral variability of GX 339-4 in a hard-to-soft state transition
• The evolution of the corona in MAXI J1535-571 through type-C quasi-periodic oscillations with Insight-HXMT
• On the outburst evolution of H1743-322: a 2008/2009 comparison
• The hard state of black hole candidates: XTE J1752-223
• Global Structure of Optically Thin, Magnetically Supported, Two-Temperature, Black Hole Accretion Disks
• Hot accretion flow with radiative cooling: state transitions in black hole X-ray binaries
• Hard X-ray variability of V404 Cyg during the 2015 outburst
• Suzaku broadband spectroscopy of Swift J1753.5-0127 in the Low-Hard State
• X-ray Emission from Transient Jet Model in Black Hole Binaries
• Radiative Properties of Magnetically-Arrested Disks
• The Hard State of the Highly Absorbed High Inclination Black Hole Binary Candidate Swift J1658.2-4242 Observed by NuSTAR and Swift
• Coronal properties of black hole X-ray binaries in the hard state as seen by NuSTAR and Swift
• Energetic and Broad Band Spectral Distribution of Emission from Astronomical Jets
• The hard to soft transition of GX 339-4 as seen by Insight-HXMT
• Wind, jet, hybrid corona and hard X-ray flares: multiwavelength evolution of GRO J1655-40 during the 2005 outburst rise
• Monte Carlo simulations of global Compton cooling in inner regions of hot accretion flows
• What is the closest black hole to the Sun?
• Multiwavelength observations of the black hole transient XTE J1752-223 during its 2010 outburst decay
• 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
• Analysis of the reflection spectra of MAXI J1535-571 in the hard and intermediate states
• Coronae above accretion disks around black holes: The effect of Compton cooling
• Modeling the hard states of three black hole candidates
• Multiwavelength observations of the black hole transient Swift J1745-26 during the outburst decay
• Suzaku Observations of the Galactic Center Microquasar 1E 1740.7-2942
• The inner flow geometry in MAXI J1820+070 during hard and hard-intermediate states
• Evolution of MAXI J1631-479 during the January 2019 outburst observed by INTEGRAL/IBIS
• Probing black-hole accretion through time variability