Related papers: Modelling the compact jet in MAXI J1836-194 with d…

Formation of the compact jets in the black hole GX 339-4

Galactic black hole binaries produce powerful outflows with emit over almost the entire electromagnetic spectrum. Here, we report the first detection with the Herschel observatory of a variable far-infrared source associated with the…

High Energy Astrophysical Phenomena · Physics 2015-06-15 S. Corbel , H. Aussel , J. W. Broderick , P. Chanial , M. Coriat , A. J. Maury , M. Buxton , J. A. Tomsick A. Tzioumis , S. Markoff , J. Rodriguez , C. Bailyn , C. Brocksopp , R. Fender , P. O. Petrucci , M. Cadolle-Bel , D. Calvelo , L. Harvey-Smith

Accretion flow dynamics of MAXI J1836-194 during its 2011 outburst from TCAF solution

The Galactic transient X-ray binary MAXI~J1836-194 was discovered on 29th August 2011. Here we make a detailed study of the spectral and timing properties of its 2011 outburst using archival data of RXTE Proportional Counter Array…

High Energy Astrophysical Phenomena · Physics 2016-04-15 Arghajit Jana , Dipak Debnath , Sandip K. Chakrabarti , Santanu Mondal , Aslam Ali Molla

The Soft State of the Black Hole Transient Source MAXI J1820+070: Emission from the Edge of the Plunge Region?

The Galactic black hole X-ray binary MAXI J1820+070 had a bright outburst in 2018 when it became the second brightest X-ray source in the Sky. It was too bright for X-ray CCD instruments such as XMM-Newton and Chandra, but was well observed…

High Energy Astrophysical Phenomena · Physics 2020-03-04 A. C. Fabian , D. J Buisson , P. Kosec , C. S. Reynolds , D. R. Wilkins , J. A. Tomsick , D. J. Walton , P. Gandhi , D. Altamirano , Z. Arzoumanian , E. M. Cackett , S. Dyda , J. A. Garcia , K. C. Gendreau , B. W Grefenstette , F. A. Harrison , J. Homan , E. Kara , R. M. Ludlam , J. M. Miller , J. F. Steiner

Radio Spectral Index Analysis and Classes of Ejection in LS I +61 303

LS I +61303 is a gamma-ray binary with periodic radio outbursts coincident with the orbital period of P=26.5 d. The origin of the radio emission is unclear,it could be due either to a jet, as in microquasars, or to the shock boundary…

High Energy Astrophysical Phenomena · Physics 2015-05-13 Massi , Kaufman-Bernado

A variable ionized disk wind in the black-hole candidate EXO 1846-031

After 34 years, the black-hole candidate EXO 1846-031 went into outburst again in 2019. We investigate its spectral properties in the hard intermediate and the soft states with NuSTAR and Insight-HXMT. A reflection component has been…

High Energy Astrophysical Phenomena · Physics 2021-01-06 Yanan Wang , Long Ji , Javier A. Garcia , Thomas Dauser , Mariano Mendez , Junjie Mao , L. Tao , Diego Altamirano , Pierre Maggi , S. N. Zhang , M. Y. Ge , L. Zhang , J. L. Qu , S. Zhang , X. Ma , F. J. Lu , T. P. Li , Y. Huang , S. J. Zheng , Z. Chang , Y. L. Tuo , L. M. Song , Y. P. Xu , Y. Chen , C. Z. Liu , Q. C. Bu , C. Cai , X. L. Cao , L. Chen , T. X. Chen , Y. P. Chen , W. W. Cui , Y. Y. Du , G. H. Gao , Y. D. Gu , J. Guan , C. C. Guo , D. W. Han , J. Huo , S. M. Jia , W. C. Jiang , J. Jin , L. D. Kong , B. Li , C. K. Li , G. Li , W. Li , X. Li , X. B. Li , X. F. Li , Z. W. Li , X. H. Liang , J. Y. Liao , H. W. Liu , X. J. Liu , X. F. Lu , Q. Luo , T. Luo , B. Meng , Y. Nang , J. Y. Nie , G. Ou , N. Sai , R. C. Shang , X. Y. Song , L. Sun , Y. Tan , W. S. Wang , Y. D. Wang , Y. S. Wang , X. Y. Wen , B. B. Wu , B. Y. Wu , M. Wu , G. C. Xiao , S. Xiao , S. L. Xiong , S. Yang , Y. J. Yang , Q. B. Yi , Q. Q. Yin , Y. You , F. Zhang , H. M. Zhang , J. Zhang , W. C. Zhang , W. Zhang , Y. F. Zhang , H. S. Zhao , X. F. Zhao , D. K. Zhou

Combined Spectral and Timing Analysis of the Black Hole Candidate MAXI J1659-152 Discovered by MAXI and Swift

We report on X-ray spectral and timing results of the new black hole candidate (BHC) MAXI J1659-152 with the orbital period of 2.41 hours (shortest among BHCs) in the 2010 outburst from 65 Rossi X-ray Timing Explorer (RXTE) observations and…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Kazutaka Yamaoka , Ryan Allured , Philip Kaaret , Jamie A. Kennea , Toshihiro Kawaguchi , Poshak Gandhi , Nicholai Shaposhnikov , Yoshihiro Ueda , Satoshi Nakahira , Taro Kotani , Hitoshi Negoro , Ichiro Takahashi , Atsumasa Yoshida , Nobuyuki Kawai , Satoshi Sugita

Revisiting the 2021 Outburst of the BHC MAXI J1803-298 Using NICER, NuSTAR, and Insight-HXMT Data

We present a broadband spectral and timing study of the black hole candidate MAXI J1803-298 during its 2021 outburst using simultaneous observations from NICER, NuSTAR, and Insight-HXMT. The combined multi-instrument coverage allows us to…

High Energy Astrophysical Phenomena · Physics 2026-05-14 Kaushik Chatterjee , Sujoy K. Nath

Suzaku Observation of the Black Hole Candidate MAXI J1836-194 in a Hard/Intermediate Spectral State

We report on a Suzaku observation of the newly discovered X-ray binary MAXI J1836-194. The source is found to be in the hard/intermediate spectral state and displays a clear and strong relativistically broadened iron emission line. We fit…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Rubens C. Reis , Jon M. Miller , Mark T. Reynolds , Andrew C. Fabian , Dominic J. Walton

The delayed radio emission in the black hole X-ray binary MAXI J1348$-$630

We explore the coupling between the accretion flow and the jet in black hole X-ray binary (BHXRB) MAXI J1348-630 by analyzing the X-ray and radio observations during its 2019 outburst. We measure the time delay between the radio and…

High Energy Astrophysical Phenomena · Physics 2024-06-25 Bei You , Shuai-kang Yang , Zhen Yan , Xinwu Cao , Andrzej A. Zdziarski

Late-time Radio Flares in Tidal Disruption Events

Radio monitoring unveiled late (hundreds to a thousand days) radio flares in a significant fraction of tidal disruption events. We propose that these late-time radio flares are a natural outcome if the surrounding density profile flattens…

High Energy Astrophysical Phenomena · Physics 2024-06-18 Tatsuya Matsumoto , Tsvi Piran

Spectral signature of mass outflow in Two Component Advective Flow Paradigm

Outflows are common in many astrophysical systems. In the Two Component Advective Flow ({\fontfamily{qcr}\selectfont TCAF}) paradigm which is essentially a generalized Bondi flow including rotation, viscosity and cooling effects, the…

High Energy Astrophysical Phenomena · Physics 2021-10-20 Santanu Mondal , Sandip K. Chakrabarti

AstroSat and MAXI view of the Black Hole binary 4U 1630-472 during 2016 and 2018 Outbursts

We present an in-depth spectral and timing analysis of the Black Hole binary 4U 1630-472 during 2016 and 2018 outbursts as observed by \textit{AstroSat} and \textit{MAXI}. The extensive coverage of the outbursts with \textit{MAXI} is used…

High Energy Astrophysical Phenomena · Physics 2020-07-09 Blessy E. Baby , V. K. Agrawal , Ramadevi M. C. , Tilak Katoch , H. M. Antia , Samir Mandal , Anuj Nandi

Evolution of QPO During Discovery Outburst of MAXI J1834-021: Estimation of Intrinsic Parameters from Spectro-Temporal Study

The Galactic transient black hole candidate (BHC) MAXI~J1834-021 was detected for the first time by MAXI/GSC on February 05, 2023 and it was active for next $\sim 10$~months. A monotonic evolution of low-frequency QPOs from higher to lower…

High Energy Astrophysical Phenomena · Physics 2025-06-13 Dipak Debnath , Hsiang-Kuang Chang

The evolution of the broadband temporal features observed in the black-hole transient MAXI J1820+070 with Insight-HXMT

We study the evolution of the temporal properties of MAXI 1820+070 during the 2018 outburst in its hard state from MJD 58190 to 58289 with Insight-HXMT in a broad energy band 1-150 keV. We find different behaviors of the hardness ratio, the…

High Energy Astrophysical Phenomena · Physics 2020-06-17 Yanan Wang , Long Ji , S. N. Zhang , Mariano Méndez , J. L. Qu , Pierre Maggi , M. Y. Ge , Erlin Qiao , L. Tao , S. Zhang , Diego Altamirano , L. Zhang , X. Ma , F. J. Lu , T. P. Li , Y. Huang , S. J. Zheng , Y. P. Chen , Z. Chang , Y. L. Tuo , C. Gungor , L. M. Song , Y. P. Xu , X. L. Cao , Y. Chen , C. Z. Liu , Q. C. Bu , C. Cai , G. Chen , L. Chen , T. X. Chen , Y. B. Chen , W. Cui , W. W. Cui , J. K. Deng , Y. W. Dong , Y. Y. Du , M. X. Fu , G. H. Gao , H. Gao , M. Gao , Y. D. Gu , J. Guan , C. C. Guo , D. W. Han , J. Huo , S. M. Jia , L. H. Jiang , W. C. Jiang , J. Jin , Y. J. Jin , L. D. Kong , B. Li , C. K. Li , G. Li , M. S. Li , W. Li , X. Li , X. B. Li , X. F. Li , Y. G. Li , Z. W. Li , X. H. Liang , J. Y. Liao , G. Q. Liu , H. W. Liu , X. J. Liu , Y. N. Liu , B. Lu , X. F. Lu , Q. Luo , T. Luo , B. Meng , Y. Nang , J. Y. Nie , G. Ou , N. Sai , R. C. Shang , X. Y. Song , L. Sun , Y. Tan , G. F. Wang , J. Wang , W. S. Wang , Y. D. Wang , Y. S. Wang , X. Y. Wen , B. B. Wu , B. Y. Wu , M. Wu , G. C. Xiao , S. Xiao , S. L. Xiong , J. W. Yang , S. Yang , Y. J. Yang , Q. B. Yi , Q. Q. Yin , Y. You , A. M. Zhang , C. M. Zhang , F. Zhang , H. M. Zhang , J. Zhang , T. Zhang , W. C. Zhang , W. Zhang , W. Z. Zhang , Y. Zhang , Y. F. Zhang , Y. J. Zhang , Y. Zhang , Z. Zhang , Z. L. Zhang , H. S. Zhao , X. F. Zhao , D. K. Zhou , J. F. Zhou , R. L. Zhuang , Y. X. Zhu , Y. Zhu

A variable mid-infrared synchrotron break associated with the compact jet in GX 339-4

Many X-ray binaries remain undetected in the mid-infrared, a regime where emission from their compact jets is likely to dominate. Here, we report the detection of the black hole binary GX 339-4 with the Wide-field Infrared Survey Explorer…

High Energy Astrophysical Phenomena · Physics 2015-05-30 P. Gandhi , A. W. Blain , D. M. Russell , P. Casella , J. Malzac , S. Corbel , P. D'Avanzo , F. W. Lewis , S. Markoff , M. Cadolle Bel , P. Goldoni , S. Wachter , D. Khangulyan , A. Mainzer

Properties of the Black Hole Candidate XTE J1118+480 with the TCAF solution during its Jet Activity Induced 2000 Outburst

Galactic black hole candidate (BHC) XTE~J1118+480 during its 2000 outburst has been studied in a broad energy range using the archival data of PCA and HEXTE payloads of {\it Rossi X-ray Timing Explorer}. Detailed spectral and temporal…

High Energy Astrophysical Phenomena · Physics 2019-05-09 Debjit Chatterjee , Dipak Debnath , Arghajit Jana , Sandip K. Chakrabarti

Multi-frequency monitoring of gamma-ray loud blazars: I. Light curves and spectral energy distributions

Context: Being dominated by non-thermal emission from aligned relativistic jets, blazars allow us to elucidate the physics of extragalactic jets, and, ltimately, how the energy is extracted from the central black hole in radio-loud active…

Astrophysics · Physics 2009-11-11 U. Bach , C. M. Raiteri , M. Villata , L. Fuhrmann , C. S. Buemi , V. M. Larionov , P. Leto , A. A. Arkharov , J. M. Coloma , A. Di Paola , M. Dolci , N. Efimova , E. Forne , M. A. Ibrahimov , V. Hagen-Thorn , T. Konstantinova , E. Kopatskaya , L. Lanteri , O. M. Kurtanidze , G. Maccaferri , M. G. Nikolashvili , A. Orlati , J. A. Ros , G. Tosti , C. Trigilio , G. Umana

Broadband variability study of MAXI J1631-479 in its Hard-Intermediate State observed with Insight-HXMT

We report the energy-resolved broadband timing analysis of the black hole X-ray transient MAXI J1631-479 during its 2019 outburst from February 11 to April 9, using data from the Insight-Hard X-ray Modulation Telescope (Insight-HXMT), which…

High Energy Astrophysical Phenomena · Physics 2021-10-04 Q. C. Bu , S. N. Zhang , A. Santangelo , T. M. Belloni , L. Zhang , J. L. Qu , L. Tao , Y. Huang , X. Ma , Z. S. Li , S. Zhang , L. Chen , the Insight-HMXT collaboration

Unveiling the small-scale jets in the rapidly growing supermassive black hole IZw1

Accretion of black holes at near-Eddington or super-Eddington rates is the most powerful episode that drives black hole growth, and it may work in several types of objects. However, the physics of accretion and jet-disc coupling in such a…

High Energy Astrophysical Phenomena · Physics 2023-05-23 Xiaolong Yang , Su Yao , Luigi C. Gallo , Jun Yang , Luis C. Ho , Minfeng Gu , Willem A. Baan , Jiri Svoboda , Ran Wang , Xiang Liu , Xiaoyu Hong , Xue-Bing Wu , Wei Zhao

Evolution of X-ray and optical rapid variability during the low/hard state in the 2018 outburst of MAXI J1820+070 = ASASSN-18ey

We performed shot analyses of X-ray and optical sub-second flares observed during the low/hard state of the 2018 outburst in MAXI J1820$+$070. Optical shots were less spread than X-ray shots. The amplitude of X-ray shots was the highest at…

High Energy Astrophysical Phenomena · Physics 2024-11-07 Mariko Kimura , Hitoshi Negoro , Shinya Yamada , Wataru Iwakiri , Shigeyuki Sako , Ryou Ohsawa