Related papers: The relativistic jet of Cygnus X-3 in gamma rays

High-energy radiation from the relativistic jet of Cygnus X-3

Cygnus X-3 is an accreting high-mass X-ray binary composed of a Wolf-Rayet star and an unknown compact object, possibly a black hole. The gamma-ray space telescope Fermi found definitive evidence that high-energy emission is produced in…

High Energy Astrophysical Phenomena · Physics 2010-07-14 Benoit Cerutti , Guillaume Dubus , Gilles Henri

Understanding Cygnus X-3 Through Multi-Wavelength Studies

Cygnus X-3 is a unique microquasar which shows X-ray state changes, strong radio emission, and relativistic jets. It is also an unusual X-ray binary with the mass-donating companion being a high mass star Wolf-Rayet but the orbital…

High Energy Astrophysical Phenomena · Physics 2010-12-21 Michael McCollough , Karri Koljonen , Diana Hannikainen , Guy Pooley , Sergei A. Trushkin , Danny Steeghs , Marco Tavani , Robert Droulans

Transient gamma-ray emission from Cygnus X-3

The high-mass microquasar Cygnus X-3 has been recently detected in a flaring state by the gamma-ray satellites Fermi and Agile. In the present contribution, we study the high-energy emission from Cygnus X-3 through a model based on the…

High Energy Astrophysical Phenomena · Physics 2015-03-19 Anabella T. Araudo , Valenti Bosch-Ramon , Gustavo E. Romero

Magic constraints on Gamma-ray emission from Cygnus X-3

Cygnus X-3 is a microquasar consisting of an accreting compact object orbiting around a Wolf-Rayet star. It has been detected at radio frequencies and up to high-energy gamma rays (above 100 MeV). However, many models also predict a very…

High Energy Astrophysical Phenomena · Physics 2014-11-21 J. Aleksić , L. A. Antonelli , P. Antoranz , M. Backes , C. Baixeras , J. A. Barrio , D. Bastieri , J. Becerra González , W. Bednarek , A. Berdyugin , K. Berger , E. Bernardini , A. Biland , O. Blanch , R. K. Bock , A. Boller , G. Bonnoli , P. Bordas , D. Borla Tridon , V. Bosch-Ramon , D. Bose , I. Braun , T. Bretz , D. Britzger , M. Camara , E. Carmona , A. Carosi , P. Colin , J. L. Contreras , J. Cortina , M. T. Costado , S. Covino , F. Dazzi , A. De Angelis , E. De Cea del Pozo , B. De Lotto , M. De Maria , F. De Sabata , C. Delgado Mendez , M. Doert , A. Domínguez , D. Dominis Prester , D. Dorner , M. Doro , D. Elsaesser , M. Errando , D. Ferenc , M. V. Fonseca , L. Font , R. J. García López , M. Garczarczyk , M. Gaug , N. Godinovic , F. Göebel , D. Hadasch , A. Herrero , D. Hildebrand , D. Höhne-Mönch , J. Hose , D. Hrupec , C. C. Hsu , T. Jogler , S. Klepser , T. Krähenbühl , D. Kranich , A. La Barbera , A. Laille , E. Leonardo , E. Lindfors , S. Lombardi , F. Longo , M. López , E. Lorenz , P. Majumdar , G. Maneva , N. Mankuzhiyil , K. Mannheim , L. Maraschi , M. Mariotti , M. Martínez , D. Mazin , M. Meucci , J. M. Miranda , R. Mirzoyan , H. Miyamoto , J. Moldón , M. Moles , A. Moralejo , D. Nieto , K. Nilsson , J. Ninkovic , R. Orito , I. Oya , S. Paiano , R. Paoletti , J. M. Paredes , S. Partini , M Pasanen , D. Pascoli , F. Pauss , R. G. Pegna , M. A. Perez-Torres , M. Persic , L. Peruzzo , F. Prada , E. Prandini , N. Puchades , I. Puljak , I. Reichardt , W. Rhode , M. Ribó , J. Rico , M Rissi , S. Rügamer , A. Saggion , K. Saito , T. Y. Saito , M. Salvati , M. Sánchez-Conde , K. Satalecka , V. Scalzotto , V. Scapin , C. Schultz , T. Schweizer , M. Shayduk , S. N. Shore , A. Sierpowska-Bartosik , A. Sillanpää , J. Sitarek , D. Sobczynska , F. Spanier , S. Spiro , A. Stamerra , B. Steinke , J. C. Struebig , T. Suric , L. Takalo , F. Tavecchio , P. Temnikov , T. Terzic , D. Tescaro , M. Teshima , D. F. Torres , H. Vankov , R. M. Wagner , Q. Weitzel , V. Zabalza , F. Zandanel , R. Zanin , A. Bulgarelli , W. Max-Moerbeck , G. Piano , G. Pooley , A. C. S. Readhead , J. L. Richards , S. Sabatini , E. Striani , M. Tavani , S. Trushkin

Jet radio emission in Cygnus X-1 and its orbital modulation

We present results of our detailed theoretical study of the observed orbital modulation of the radio emission in Cyg X-1. The modulation occurs due to free-free absorption in the wind from the companion star varying with the orbital phase,…

Astrophysics · Physics 2008-11-26 A. Szostek , A. A. Zdziarski

Discovery of extreme particle acceleration in the microquasar Cygnus X-3

The study of relativistic particle acceleration is a major topic of high-energy astrophysics. It is well known that massive black holes in active galaxies can release a substantial fraction of their accretion power into energetic particles,…

High Energy Astrophysical Phenomena · Physics 2014-11-20 M. Tavani , A. Bulgarelli , G. Piano , S. Sabatini , E. Striani , Y. Evangelista , A. Trois , G. Pooley , S. Trushkin , N. A. Nizhelskij , M. McCollough , K. I. I. Koljonen , G. Pucella , A. Giuliani , A. W. Chen , E. Costa , V. Vittorini , M. Trifoglio , F. Gianotti , A. Argan , G. Barbiellini , P. Caraveo , P. W. Cattaneo , V. Cocco , T. Contessi , F. D'Ammando , E. Del Monte , G. De Paris , G. Di Cocco , G. Di Persio , I. Donnarumma , M. Feroci , A. Ferrari , F. Fuschino , M. Galli , C. Labanti , I. Lapshov , F. Lazzarotto , P. Lipari , F. Longo , E. Mattaini , M. Marisaldi , M. Mastropietro , A. Mauri , S. Mereghetti , E. Morelli , A. Morselli , L. Pacciani , A. Pellizzoni , F. Perotti , P. Picozza , M. Pilia , M. Prest , M. Rapisarda , A. Rappoldi , E. Rossi , A. Rubini , E. Scalise , P. Soffitta , E. Vallazza , S. Vercellone , A. Zambra , D. Zanello , C. Pittori , F. Verrecchia , P. Giommi , S. Colafrancesco , P. Santolamazza , A. Antonelli , L. Salotti

Absorption of high-energy gamma rays in Cygnus X-3

The microquasar Cygnus X-3 was detected at high energies by the gamma-ray space telescopes AGILE and Fermi. The gamma-ray emission is transient, modulated with the orbital period and seems related to major radio flares, i.e. to the…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Benoit Cerutti , Guillaume Dubus , Julien Malzac , Anna Szostek , Renaud Belmont , Andrzej Zdziarski , Gilles Henri

Detection of gamma rays of likely jet origin in Cygnus X-1

Aims: Probe the high-energy ($>$60 MeV) emission from the black hole X-ray binary system, Cygnus X-1, and investigate its origin. Methods: We analysed 7.5 yr of data by Fermi/LAT with the latest PASS8 software version. Results: We report…

High Energy Astrophysical Phenomena · Physics 2016-11-30 Roberta Zanin , Alba Fernández-Barral , Emma de Oña-Wilhelmi , Felix Aharonian , Oscar Blanch , Valentí Bosch-Ramon , Daniel Galindo

Cygnus X-3 and the problem of the missing Wolf-Rayet X-ray binaries

Cygnus X-3 is a strong X-ray source (L_X about 10^38 erg/s) which is thought to consist of a compact object, accreting matter from a helium star. We find analytically that the estimated ranges of mass-loss rate and orbital-period derivative…

Astrophysics · Physics 2009-11-11 Dave Lommen , Lev Yungelson , Ed van den Heuvel , Gijs Nelemans , Simon Portegies Zwart

Gamma rays from microquasars Cygnus X-1 and Cygnus X-3

Gamma-ray observations of microquasars at high and very-high energies can provide valuable information of the acceleration processes inside the jets, the jet-environment interaction and the disk-jet coupling. Two high-mass microquasars have…

High Energy Astrophysical Phenomena · Physics 2019-08-15 A. Fernández-Barral , O. Blanch , E. de Oña Wilhelmi , D. Galindo , J. Herrera , M. Ribó , J. Rico , A. Stamerra , F. Aharonian , V. Bosch-Ramon , R. Zanin

XRISM spectroscopy on orbital modulation of Fe Ly$\alpha$ lines in Cygnus X-3

To understand physical processes such as mass transfer and binary evolution in X-ray binaries, the orbital parameters of the system are fundamental and crucial information. Cygnus X-3 is a high-mass X-ray binary composed of a compact object…

High Energy Astrophysical Phenomena · Physics 2025-05-16 Daiki Miura , Hiroya Yamaguchi , Ralf Ballhausen , Timothy Kallman , Teruaki Enoto , Shinya Yamada , Tomohiro Hakamata , Ryota Tomaru , Hirokazu Odaka , Hatalie Hell , Hiroshi Nakajima , Shin Watanabe , Tasuku Hayashi , Shunji Kitamoto , Kazutaka Yamaoka , Jon M. Miller , Keigo Okabe , Itsuki Maruzuka , Karri Koljonen , Mike McCollough

Gemini/GNIRS infrared spectroscopy of the Wolf-Rayet stellar wind in Cygnus X-3

The microquasar Cygnus X-3 was observed several times with the Gemini North Infrared Spectrograph while the source was in the hard X-ray state. We describe the observed 1.0-2.4 $\mu$m spectra as arising from the stellar wind of the…

High Energy Astrophysical Phenomena · Physics 2017-09-27 Karri I. I. Koljonen , Thomas J. Maccarone

Variable Source of High Energy Gamma-Ray Radiation Cygnus X-3

Long observation (1972 - 2009) of the powerful discrete source in Galaxy Cygnus X-3 discovered its main properties and let to develop a real model of this unique object. It is short binary system with 4.8 hour orbital period including…

High Energy Astrophysical Phenomena · Physics 2010-05-07 A. M. Galper , B. I. Luchkov , Yu. T. Yurkin

The Wolf-Rayet counterpart of Cygnus X-3

We present orbital-phase resolved I and K-band spectroscopy of Cygnus X-3. All spectra show emission lines characteristic of Wolf-Rayet stars of the WN subclass. On time scales longer than about one day, the line strengths show large…

Astrophysics · Physics 2007-05-23 M. H. van Kerkwijk , T. R. Geballe , D. L. King , M. van der Klis , J. van Paradijs

Radio and X-ray observations of jet ejection in Cygnus X-2

The ejection of a relativistic jet has been observed in the luminous Galactic low mass X-ray binary Cygnus X-2. Using high resolution radio observations, a directly resolved ejection event has been discovered while the source was on the…

High Energy Astrophysical Phenomena · Physics 2015-06-16 R. E. Spencer , A. P. Rushton , M. Balucinska-Church , Z. Paragi , N. S. Schulz , J. Wilms , G. G. Pooley , M. J. Church

Cygnus X-3: A variable petaelectronvolt gamma-ray source

We report the discovery of variable $\gamma$-rays up to petaelectronvolt from Cygnus X-3, an iconic X-ray binary. The $\gamma$-ray signal was detected with a statistical significance of approximately 10 $\sigma$ by the Large High Altitude…

High Energy Astrophysical Phenomena · Physics 2026-04-14 The LHAASO Collaboration , Zhen Cao , F. Aharonian , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , W. Bian , J. Blunier , A. V. Bukevich , C. M. Cai , Y. Y. Cai , W. Y. Cao , Zhe Cao , J. Chang , J. F. Chang , E. S. Chen , G. H. Chen , H. K. Chen , L. F. Chen , Liang Chen , Long Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , X. B. Chen , X. J. Chen , X. P. Chen , Y. Chen , N. Cheng , Q. Y. Cheng , Y. D. Cheng , M. Y. Cui , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , Y. X. Diao , A. J. Dong , X. Q. Dong , K. K. Duan , J. H. Fan , Y. Z. Fan , J. Fang , J. H. Fang , K. Fang , C. F. Feng , H. Feng , L. Feng , S. H. Feng , X. T. Feng , Y. Feng , Y. L. Feng , S. Gabici , B. Gao , Q. Gao , W. Gao , W. K. Gao , M. M. Ge , T. T. Ge , L. S. Geng , G. Giacinti , G. H. Gong , Q. B. Gou , M. H. Gu , F. L. Guo , J. Guo , K. J. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , R. P. Han , O. A. Hannuksela , M. Hasan , H. H. He , H. N. He , J. Y. He , X. Y. He , Y. He , S. Hernández-Cadena , B. W. Hou , C. Hou , X. Hou , H. B. Hu , S. C. Hu , C. Huang , D. H. Huang , J. J. Huang , X. L. Huang , X. T. Huang , X. Y. Huang , Y. Huang , Y. Y. Huang , A. Inventar , X. L. Ji , H. Y. Jia , K. Jia , H. B. Jiang , K. Jiang , X. W. Jiang , Z. J. Jiang , M. Jin , S. Kaci , M. M. Kang , I. Karpikov , D. Khangulyan , D. Kuleshov , K. Kurinov , Cheng Li , Cong Li , D. Li , F. Li , H. B. Li , H. C. Li , Jian Li , Jie Li , K. Li , L. Li , R. L. Li , S. D. Li , T. Y. Li , W. L. Li , X. R. Li , Xin Li , Y. Li , Zhe Li , Zhuo Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , D. B. Liu , H. Liu , J. Liu , J. L. Liu , J. R. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , X. Liu , Y. Liu , Y. Liu , Y. N. Liu , Y. Q. Lou , Q. Luo , Y. Luo , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , I. O. Maliy , J. R. Mao , Z. Min , W. Mitthumsiri , Y. Mizuno , G. B. Mou , A. Neronov , K. C. Y. Ng , M. Y. Ni , L. Nie , L. J. Ou , Z. W. Ou , P. Pattarakijwanich , Z. Y. Pei , D. Y. Peng , J. C. Qi , M. Y. Qi , J. J. Qin , D. Qu , A. Raza , C. Y. Ren , D. Ruffolo , A. Sáiz , D. Savchenko , D. Semikoz , L. Shao , O. Shchegolev , Y. Z. Shen , X. D. Sheng , Z. D. Shi , F. W. Shu , H. C. Song , Yu. V. Stenkin , V. Stepanov , Y. Su , D. X. Sun , H. Sun , J. X. Sun , Q. N. Sun , X. N. Sun , Z. B. Sun , N. H. Tabasam , J. Takata , P. H. T. Tam , H. B. Tan , Q. W. Tang , R. Tang , Z. B. Tang , W. W. Tian , C. N. Tong , L. H. Wan , C. Wang , D. H. Wang , G. W. Wang , H. G. Wang , J. C. Wang , K. Wang , Kai Wang , Kai Wang , L. P. Wang , L. Y. Wang , L. Y. Wang , R. Wang , W. Wang , X. G. Wang , X. J. Wang , X. Y. Wang , Y. Wang , Y. D. Wang , Z. H. Wang , Z. X. Wang , Zheng Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , S. S. Weng , C. Y. Wu , H. R. Wu , Q. W. Wu , S. Wu , X. F. Wu , Y. S. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , D. X. Xiao , G. Xiao , Y. F. Xiao , Y. L. Xin , H. D. Xing , Y. Xing , D. R. Xiong , B. N. Xu , C. Y. Xu , D. L. Xu , R. F. Xu , R. X. Xu , S. S. Xu , W. L. Xu , L. Xue , D. H. Yan , T. Yan , C. W. Yang , C. Y. Yang , F. F. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , W. X. Yang , Z. H. Yang , Z. G. Yao , X. A. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Q. Yuan , H. Yue , H. D. Zeng , T. X. Zeng , W. Zeng , X. T. Zeng , M. Zha , B. B. Zhang , B. T. Zhang , C. Zhang , H. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , J. Y. Zhang , Li Zhang , P. F. Zhang , R. Zhang , S. R. Zhang , S. S. Zhang , S. Y. Zhang , W. Zhang , W. Y. Zhang , X. Zhang , X. P. Zhang , Yi Zhang , Yong Zhang , Z. P. Zhang , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , X. H. Zhao , Z. H. Zhao , F. Zheng , T. C. Zheng , B. Zhou , H. Zhou , J. N. Zhou , M. Zhou , P. Zhou , R. Zhou , X. X. Zhou , X. X. Zhou , B. Y. Zhu , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , Y. C. Zou , X. Zuo , J. S. Wang

Long-term study of the gamma-ray emission of Cygnus X-3 with MAGIC and Fermi-LAT

Cygnus X-3 is a microquasar composed of a compact object of unknown nature closely orbiting around a Wolf-Rayet star. The particularities of this source make it a unique case among microquasars. This fact, together with its recent…

High Energy Astrophysical Phenomena · Physics 2026-05-11 K. Abe , S. Abe , J. Abhir , A. Abhishek , V. A. Acciari , A. Aguasca-Cabot , I. Agudo , I. Albanese , T. Aniello , S. Ansoldi , L. A. Antonelli , A. Arbet Engels , C. Arcaro , T. T. H. Arnesen , A. Babić , C. Bakshi , U. Barres de Almeida , J. A. Barrio , L. Barrios-Jiménez , I. Batković , J. Baxter , J. Becerra González , W. Bednarek , E. Bernardini , J. Bernete , A. Berti , J. Besenrieder , C. Bigongiari , A. Biland , O. Blanch , G. Bonnoli , P. Bordas , Ž. Bošnjak , E. Bronzini , I. Burelli , C. Campa , A. Campoy-Ordaz , A. Carosi , R. Carosi , M. Carretero-Castrillo , A. J. Castro-Tirado , D. Cerasole , G. Ceribella , A. Cerviño , A. Chilingarian , G. Chon , A. Cifuentes Santos , J. L. Contreras , J. Cortina , S. Covino , G. D'Amico , P. Da Vela , F. Dazzi , A. De Angelis , B. De Lotto , M. Delfino , J. Delgado , F. Di Pierro , R. Di Tria , L. Di Venere , A. Dinesh , D. Dominis Prester , A. Donini , D. Dorner , M. Doro , L. Eisenberger , D. Elsaesser , L. Foffano , L. Font , F. Frías García-Lago , S. Fröse , Y. Fukazawa , S. García Soto , M. Gaug , J. G. Giesbrecht Paiva , N. Giglietto , F. Giordano , P. Gliwny , N. Godinović , T. Gradetzke , R. Grau , J. G. Green , P. Günther , D. Hadasch , A. Hahn , G. Harutyunyan , T. Hassan , J. Herrera Llorente , D. Hrupec , D. Israyelyan , J. Jahanvi , I. Jiménez Martínez , J. Jiménez Quiles , S. Kankkunen , J. Konrad , P. M. Kouch , H. Kubo , J. Kushida , M. Láinez , A. Lamastra , E. Lindfors , S. Lombardi , F. Longo , R. López-Coto , M. López-Moya , A. López-Oramas , S. Loporchio , L. Lulić , E. Lyard , P. Majumdar , M. Makariev , G. Maneva , M. Manganaro , S. Mangano , M. Mariotti , M. Martínez , P. Maruševec , D. Mazin , S. Menchiari , J. Méndez Gallego , S. Menon , D. Miceli , J. M. Miranda , R. Mirzoyan , M. Molero González , E. Molina , H. A. Mondal , A. Moralejo , C. Nanci , A. Negro , V. Neustroev , M. Nievas Rosillo , C. Nigro , L. Nikolić , S. Nozaki , A. Okumura , J. Otero-Santos , S. Paiano , D. Paneque , R. Paoletti , J. M. Paredes , M. Peresano , M. Persic , M. Pihet , F. Podobnik , P. G. Prada Moroni , E. Prandini , W. Rhode , M. Ribó , J. Rico , A. Roy , N. Sahakyan , F. G. Saturni , F. Schiavone , K. Schmitz , T. Schweizer , A. Sciaccaluga , G. Silvestri , A. Simongini , J. Sitarek , D. Sobczynska , A. Stamerra , J. Strišković , D. Strom , M. Strzys , Y. Suda , R. Takeishi , J. Tartera Barberà , P. Temnikov , T. Terzić , M. Teshima , A. Tutone , S. Ubach , M. Vazquez Acosta , S. Ventura , G. Verna , I. Viale , A. Vigliano , C. F. Vigorito , E. Visentin , V. Vitale , M. Vorbrugg , I. Vovk , R. Walter , C. Walther , F. Wersig , P. K. H. Yeung , V. Bosch-Ramon

The hypersoft state of Cygnus X-3 - A key to jet quenching in X-ray binaries?

Cygnus X-3 is a unique microquasar in the Galaxy hosting a Wolf-Rayet companion orbiting a compact object that most likely is a low-mass black hole. The unique source properties are likely due to the interaction of the compact object with…

High Energy Astrophysical Phenomena · Physics 2018-04-18 K. I. I. Koljonen , T. Maccarone , M. L. McCollough , M. Gurwell , S. A. Trushkin , G. G. Pooley , G. Piano , M. Tavani

The gamma-ray emitting region of the jet in Cyg X-3

We study models of the gamma-ray emission of Cyg X-3 observed by Fermi. We calculate the average X-ray spectrum during the gamma-ray active periods. Then, we calculate spectra from Compton scattering of a photon beam into a given direction…

High Energy Astrophysical Phenomena · Physics 2015-06-03 Andrzej A. Zdziarski , Marek Sikora , Guillaume Dubus , Feng Yuan , Benoit Cerutti , Anna Ogorzalek

Inverse Compton Emission from Relativistic Jets in Binary Systems

The gamma-ray emission detected from several microquasars can be produced by relativistic electrons emitting through inverse Compton scattering. In particular, the GeV emission detected from Cygnus X-3, and its orbital phase dependence,…

High Energy Astrophysical Phenomena · Physics 2018-09-05 D. Khangulyan , V. Bosch-Ramon , Y. Uchiyama