81 citations · 1.1k across the 46 of their papers we have counts for
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Temporal evolution of the periodic GeV signal from 4FGL J1913.2+0512 and analysis of the SS 433 / W50 lobes
Ömer Faruk Çoban, Diego F. Torres, Jian Li +3
SS 433 is a microquasar whose relativistic jets precess every ~162 days, providing a laboratory for jet-interstellar medium interactions. We present a comprehensive analysis of 16…
Fermi-LAT and FAST observation of the gamma-ray binary HESS J0632+057
Yanlv Yang, Dengke Zhou, Zihao Zhao +3
Using 15 years of data from the Fermi Large Area Telescope (Fermi-LAT), we performed a comprehensive analysis on the gamma-ray binary HESS J0632+057. Its spectrum in 0.1-300 GeV ba…
Upper limits on the gamma-ray emission from the microquasar V4641 Sgr
Zihao Zhao, Jian Li, Diego F. Torres
Following a recent detection of TeV radiation by the Large High Altitude Air Shower Observatory (LHAASO) and the High-Altitude Water Cherenkov Observatory (HAWC), coincident with t…
X-ray hardening preceding the onset of SGR 1935+2154's radio pulsar phase
Pei Wang, Jian Li, Long Ji +32
Magnetars are neutron stars with extremely strong magnetic fields, frequently powering high-energy activity in X-rays. Pulsed radio emission following some X-ray outbursts have bee…
Insight-HXMT observation on 4U~1608--52: evidence of interplay between thermonuclear burst and accretion environments
Yu-Peng Chen, Shu Zhang, Long Ji +7
A type-I burst could influence the accretion process through radiation pressure and Comptonization both for the accretion disk and the corona/boundary layer of an X-ray binary, and…
Phase dependent evolution within large luminosity range of 1A 0535+262 observed by Insight-HXMT during 2020 giant outburst
Ling-Da Kong, Shu Zhang, Long Ji +10
We have performed phase-resolved spectral analysis of the accreting pulsar 1A~0535+262 based on observations of Insight-HXMT during the 2020 Type-II outburst of the source. We focu…
GECAM detection of a bright type-I X-ray burst from 4U 0614+09: confirmation its spin frequency at 413 Hz
Y. P. Chen, J. Li, S. L. Xiong +87
One month after launching Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor (GECAM), a bright thermonuclear X-ray burst from 4U~0614+09, was observed on Ja…
Investigating the nature of MGRO J1908+06 with multiwavelength observations
Jian Li, Ruo-Yu Liu, Emma de Ona Wilhelmi +7
The unidentified TeV source MGRO J1908+06, with emission extending from hundreds of GeV to beyond 100TeV, is one of the most intriguing sources in the Galactic plane. MGRO J1908+06…
The INTEGRAL view of the pulsating hard X-ray sky: from accreting and transitional millisecond pulsars to rotation-powered pulsars and magnetars
A. Papitto, M. Falanga, W. Hermsen +30
In the last 25 years, a new generation of X-ray satellites imparted a significant leap forward in our knowledge of X-ray pulsars. The discovery of accreting and transitional millis…
Advances in Understanding High-Mass X-ray Binaries with INTEGRAL and Future Directions
Peter Kretschmar, Felix Fürst, Lara Sidoli +48
High mass X-ray binaries are among the brightest X-ray sources in the Milky Way, as well as in nearby Galaxies. Thanks to their highly variable emissions and complex phenomenology,…
Gamma-ray heartbeat powered by the microquasar SS 433
Jian Li, Diego F. Torres, Ruo-Yu Liu +3
Microquasars, the local siblings of extragalactic quasars, are binary systems comprising a compact object and a companion star. By accreting matter from their companions, microquas…
The high-energy emission of millisecond pulsars
Diego F. Torres, Jian Li
This chapter provides a phenomenological appraisal of the high-energy emission of millisecond pulsars. We comment on some of their properties as a population, as well as consider t…
Spectral characterization of the non-thermal X-ray emission of gamma-ray pulsars
Francesco Coti Zelati, Diego F. Torres, Jian Li +1
We report on a detailed spectral characterization of the non-thermal X-ray emission for a large sample of gamma-ray pulsars in the second Fermi-LAT catalogue. We outline the criter…
Synchro-curvature modelling of the multi-frequency non-thermal emission of pulsars
Diego F. Torres, Daniele Vigano, Francesco Coti Zelati +1
We apply a synchro-curvature spectral emission model based on characterizing the dynamics of magnetospheric particles to fit the phase-average spectra of the most extended database…
Prolonged sub-luminous state of the new transitional pulsar candidate CXOU J110926.4-650224
Francesco Coti Zelati, Alessandro Papitto, Domitilla de Martino +12
We report on a multi-wavelength study of the unclassified X-ray source CXOU J110926.4-650224 (J1109). We identified the optical counterpart as a blue star with a magnitude of $\sim…
Theoretically motivated search and detection of non-thermal pulsations from PSRs J1747-2958, J2021+3651, and J1826-1256
Jian Li, Diego F. Torres, Francesco Coti Zelati +3
Based on a theoretical selection of pulsars as candidates for detection at X-ray energies, we present an analysis of archival X-ray observations done with Chandra and XMM-Newton of…
Observing and modeling the gamma-ray emission from pulsar/pulsar wind nebula complex PSR J0205+6449/3C 58
Jian Li, Diego F. Torres, Ting Ting Lin +4
We present the results of the analysis of 8 years of Fermi-LAT data of the pulsar/pulsar wind nebula complex PSR J0205+6449/3C 58. Using a contemporaneous ephemeris, we carried out…
Einstein@Home discovers a radio-quiet gamma-ray millisecond pulsar
C. J. Clark, H. J. Pletsch, J. Wu +18
Millisecond pulsars (MSPs) are old neutron stars that spin hundreds of times per second and appear to pulsate as their emission beams cross our line of sight. To date, radio pulsat…
GeV detection of HESS J0632+057
Jian Li, Diego F. Torres, K. -S. Cheng +4
HESS J0632+057 is the only gamma-ray binary that has been detected at TeV energies, but not at GeV energies yet. Based on nearly nine years of Fermi Large Area Telescope (LAT) Pass…
Search for transitions between states in redbacks and black widows using seven years of Fermi-LAT observations
Diego F. Torres, Long Ji, Jian Li +4
Considering about seven years of Fermi-Large Area Telescope (LAT) data, we present a systematic search for variability possibly related to transitions between states in redbacks an…
Multi-band study of RX J0838-2827 and XMM J083850.4-282759: a new asynchronous magnetic cataclysmic variable and a candidate transitional millisecond pulsar
N. Rea, F. Coti Zelati, P. Esposito +23
In search for the counterpart to the Fermi-LAT source 3FGL J0838.8-2829, we performed a multi-wavelength campaign, in the X-ray band with Swift and XMM-Newton, performed infrared,…
Gamma-ray emission from PSR J0007+7303 using 7 years of Fermi Large Area Telescope observations
Jian Li, Diego F. Torres, Emma de Ona Wilhelmi +2
Based on more than seven years of Fermi Large Area Telescope (LAT) Pass 8 data, we report on a detailed analysis of the bright gamma-ray pulsar (PSR) J0007+7303. We confirm that PS…
Gamma-ray upper limits on magnetars with 6 years of Fermi-LAT observations
Jian Li, Nanda Rea, Diego F. Torres +1
We report on the search for gamma-ray emission from 20 magnetars using 6 years of Fermi, Large Area Telescope (LAT) observations. No significant evidence for gamma-ray emission fro…
SAX J1808.4-3658, an accreting millisecond pulsar shining in gamma rays?
E. de Ona Wilhelmi, A. Papitto, J. Li +7
We report the detection of a possible gamma-ray counterpart of the accreting millisecond pulsar SAX J1808.4-3658. The analysis of ~6 years of data from the Large Area Telescope on…