Related papers: Multi-wavelength study of the Be/X-ray binary MXB …

Discovery of pulsations from the Be/X-ray binary RX J0101.3-7211 in the SMC by XMM-Newton

We report pulsations in the X-ray flux of RX J0101.3-7211 in the Small Magellanic Cloud (SMC) with a period of 455+/-2 s in XMM-Newton EPIC-PN data. The X-ray spectrum can be described by a power-law with a photon index of 0.6+/-0.1. Timing…

Astrophysics · Physics 2009-11-06 M. Sasaki , F. Haberl , S. Keller , W. Pietsch

RXTE Observations of the Be star X-ray Transient X0726-260 (4U0728-25) - Orbital and Pulse Periods

Rossi X-ray Timing Explorer (RXTE) All Sky Monitor observations of the transient Be star X-ray source X0726-260 suggest a 34.5 day period. This is apparently confirmed by a serendipitous RXTE Proportional Counter Array (PCA) slew detection…

Astrophysics · Physics 2009-10-30 Robin H. D. Corbet , Andrew G. Peele

Detection of a large Be circumstellar disk during X-ray quiescence of XTE J1946+274

We present a multiwavelength study of the Be/X-ray binary system XTE J1946+274 with the main goal of better characterizing its behavior during X-ray quiescence. We aim to shed light on the mechanism which triggers the X-ray activity for…

High Energy Astrophysical Phenomena · Physics 2015-10-14 M. Ozbey Arabaci , A. Camero-Arranz , J. Gutierrez-Soto , C. Zurita , E. Nespoli , J. Suso , F. Kiaeerad , J. Garcia-Rojas , U. Kiziloglu

Determining the nature of IC 10 X-2: A comprehensive study of the Optical/Infrared emission from an extragalactic BeHMXB

We present a comprehensive analysis of the optical and infrared (IR) properties of high-mass X-ray binary (HMXB) IC 10 X-2, classified as a super-giant HMXB and super-fast X-ray transient (SFXT) by previous work. Our analysis of regular…

High Energy Astrophysical Phenomena · Physics 2025-01-14 Jwaher Alnaqbi , Joseph D. Gelfand , Payaswini Saikia , Craig Heinke , M. C. Baglio , David M. Russell , Guobao Zhang , Antonios Manousakis , Ivan Yu. Katkov , Fraser Lewis

X-ray and optical orbital modulation of EXO 0748-676: A co-variability study using XMM-Newton

We present a multi-wavelength timing study of the eclipsing low mass X-ray binary EXO 0748-676 (UY Vol) using XMM-Newton when the source was in a hard spectral state. The orbital optical and X-ray light curves show a fairly large amount of…

High Energy Astrophysical Phenomena · Physics 2017-02-22 Gayathri Raman , Biswajit Paul

SAX J2103.5+4545 is the Be/X-ray binary with the shortest orbital period. It shows extended bright and faint X-ray states that last for a few hundred days. The main objective of this work is to investigate the relationship between the X-ray…

High Energy Astrophysical Phenomena · Physics 2015-05-14 P. Reig , A. Slowikowska , A Zezas , P. Blay

2PBC J0658.0-1746: a hard X-ray eclipsing polar in the orbital period gap

The hard X-ray source 2PBC J0658.0-1746 was proposed as an eclipsing magnetic cataclysmic variable of the polar type, based on optical follow-ups. We present the first spectral and timing analysis at X-ray energies with XMM-Newton,…

High Energy Astrophysical Phenomena · Physics 2019-07-24 F. Bernardini , D. de Martino , K. Mukai , M. Falanga , N. Masetti

Long-term TeV and X-ray Observations of the Gamma-ray Binary HESS J0632+057

HESS J0632+057 is the only gamma-ray binary known so far whose position in the sky allows observations with ground-based observatories both in the northern and southern hemispheres. Here we report on long-term observations of HESS J0632+057…

High Energy Astrophysical Phenomena · Physics 2015-06-18 VERITAS Collaboration , E. Aliu , S. Archambault , T. Aune , B. Behera , M. Beilicke , W. Benbow , K. Berger , R. Bird , A. Bouvier , J. H. Buckley , V. Bugaev , K. Byrum , M. Cerruti , X. Chen , L. Ciupik , M. P. Connolly , W. Cui , C. Duke , J. Dumm , M. Errando , A. Falcone , S. Federici , Q. Feng , J. P. Finley , P. Fortin , L. Fortson , A. Furniss , N. Galante , G. H. Gillanders , S. Griffin , S. T. Griffiths , J. Grube , G. Gyuk , D. Hanna , J. Holder , G. Hughes , T. B. Humensky , P. Kaaret , M. Kertzman , Y. Khassen , D. Kieda , H. Krawczynski , F. Krennrich , M. J. Lang , A. S Madhavan , G. Maier , P. Majumdar , A. McCann , P. Moriarty , R. Mukherjee , D. Nieto , A. O'Faoláin de Bhróithe , R. A. Ong , A. N. Otte , N. Park , J. S. Perkins , M. Pohl , A. Popkow , H. Prokoph , J. Quinn , K. Ragan , J. Rajotte , L. C. Reyes , P. T. Reynolds , G. T. Richards , E. Roache , J. Rousselle , G. H. Sembroski , F. Sheidaei , C. Skole , A. W. Smith , D. Staszak , M. Stroh , I. Telezhinsky , M. Theiling , J. V. Tucci , J. Tyler , A. Varlotta , S. Vincent , S. P. Wakely , A. Weinstein , R. Welsing , D. A. Williams , A. Zajczyk , B. Zitzer , H. E. S. S. Collaboration , : , A. Abramowski , F. Aharonian , F. Ait Benkhali , A. G. Akhperjanian , E. Angüner , G. Anton , S. Balenderan , A. Balzer , A. Barnacka , Y. Becherini , J. Becker Tjus , K. Bernlöhr , E. Birsin , E. Bissaldi , J. Biteau , M. Böttcher , C. Boisson , J. Bolmont , P. Bordas , J. Brucker , F. Brun , P. Brun , T. Bulik , S. Carrigan , S. Casanova , M. Cerruti , P. M. Chadwick , R. Chalme-Calvet , R. C. G. Chaves , A. Cheesebrough , M. Chrétien , S. Colafrancesco , G. Cologna , J. Conrad , C. Couturier , M. Dalton , M. K. Daniel , I. D. Davids , B. Degrange , C. Deil , P. deWilt , H. J. Dickinson , A. Djannati-Ataï , W. Domainko , L. O'C. Drury , G. Dubus , K. Dutson , J. Dyks , M. Dyrda , T. Edwards , K. Egberts , P. Eger , P. Espigat , C. Farnier , S. Fegan , F. Feinstein , M. V. Fernandes , D. Fernandez , A. Fiasson , G. Fontaine , A. Forster , M. Füßling , M. Gajdus , Y. A. Gallant , T. Garrigoux , G. Giavitto , B. Giebels , J. F. Glicenstein , M. -H. Grondin , M. Grudzińska , S. Häffner , J. Hahn , J. Harris , G. Heinzelmann , G. Henri , G. Hermann , O. Hervet , A. Hillert , J. A. Hinton , W. Hofmann , P. Hofverberg , M. Holler , D. Horns , A. Jacholkowska , C. Jahn , M. Jamrozy , M. Janiak , F. Jankowsky , I. Jung , M. A. Kastendieck , K. Katarzyński , U. Katz , S. Kaufmann , B. Khélifi , M. Kieffer , S. Klepser , D. Klochkov , W. Kluźniak , T. Kneiske , D. Kolitzus , Nu. Komin , K. Kosack , S. Krakau , F. Krayzel , P. P. Krüger , H. Laffon , G. Lamanna , J. Lefaucheur , A. Lemiére , M. Lemoine-Goumard , J. -P. Lenain , D. Lennarz , T. Lohse , A. Lopatin , C. -C. Lu , V. Marandon , A. Marcowith , R. Marx , G. Maurin , N. Maxted , M. Mayer , T. J. L. McComb , J. Méhault , U. Menzler , M. Meyer , R. Moderski , M. Mohamed , E. Moulin , T. Murach , C. L. Naumann , M. de Naurois , J. Niemiec , S. J. Nolan , L. Oakes , S. Ohm , E. de Onña Wilhelmi , B. Opitz , M. Ostrowski , I. Oya , M. Panter , R. D. Parsons , M. Paz Arribas , N. W. Pekeur , G. Pelletier , J. Perez , P. -O. Petrucci , B. Peyaud , S. Pita , H. Poon , G. Pühlhofer , M. Punch , A. Quirrenbach , S. Raab , M. Raue , A. Reimer , O. Reimer , M. Renaud , R. de los Reyes , F. Rieger , L. Rob , C. Romoli , S. Rosier-Lees , G. Rowell , B. Rudak , C. B. Rulten , V. Sahakian , D. A. Sanchez , A. Santangelo , R. Schlickeiser , F. Schüssler , A. Schulz , U. Schwanke , S. Schwarzburg , S. Schwemmer , H. Sol , G. Spengler , F. Spies , Ł. Stawarz , R. Steenkamp , C. Stegmann , F. Stinzing , K. Stycz , I. Sushch , A. Szostek , J. -P. Tavernet , T. Tavernier , A. M. Taylor , R. Terrier , M. Tluczykont , C. Trichard , K. Valerius , C. van Eldik , G. Vasileiadis , C. Venter , A. Viana , P. Vincent , H. J. Völk , F. Volpe , M. Vorster , S. J. Wagner , P. Wagner , M. Ward , M. Weidinger , Q. Weitzel , R. White , A. Wierzcholska , P. Willmann , A. Wörnlein , D. Wouters , M. Zacharias , A. Zajczyk , A. A. Zdziarski , A. Zech , H. -S. Zechlin

An X-ray view of the 2021 outburst of SXP 15.6: constraints on the binary orbit and magnetic field of the Neutron Star

We conducted a spectral and temporal analysis of X-ray data from the Be X-ray binary pulsar SXP 15.6 located in the Small Magellanic Cloud based on NuSTAR, NICER and Swift observations during the 2021 outburst. We present for the first time…

High Energy Astrophysical Phenomena · Physics 2022-08-31 G. Vasilopoulos , G. K. Jaisawal , C. Maitra , F. Haberl , P. Maggi , A. S. Karaferias

CXOU J005245.0-722844: Discovery of a Be Star / White Dwarf binary system in the SMC via a very fast, super-Eddington X-ray outburst event

CXOU J005245.0-722844 is an X-ray source in the Small Magellanic Cloud (SMC) that has long been known as a Be/X-ray binary (BeXRB) star, containing an OBe main sequence star and a compact object. In this paper, we report on a new very fast…

High Energy Astrophysical Phenomena · Physics 2024-08-05 Thomas M. Gaudin , Malcolm J. Coe , Jamie A. Kennea , Itumaleng M. Monageng , David A. H. Buckley , Andrzej Udalski , Phil A. Evans

AstroSat Observation of Recent Outburst in the Be/X-ray Binary LS V +4417/RX J0440.9+4431

A Be/X-ray binary system known as RX J0440.9+4431 (or LS V +44 17) is a potential member of the uncommon gamma-ray binary class. With an orbital period of 150 days, this system consists of a neutron star and a Be star companion. The MAXI…

High Energy Astrophysical Phenomena · Physics 2024-02-09 Arshad Hussain , Umananda Dev Goswami

A re-establishing jet during an X-ray re-brightening of the Be/X-ray binary Swift J0243.6+6124

Transient Be/X-ray binary systems, wherein a compact object accretes from a Be-companion star, can show giant and periastron outbursts. During the decay of their giant outbursts, some Be/X-ray binaries also show X-ray re-brightenings, the…

High Energy Astrophysical Phenomena · Physics 2019-01-09 J. van den Eijnden , N. Degenaar , T. D. Russell , J. V. Hernández Santisteban , R. Wijnands , J. C. A. Miller-Jones , A. Rouco Escorial , G. R. Sivakoff

Observation of the gamma-ray binary HESS J0632+057 with the H.E.S.S., MAGIC, and VERITAS telescopes

The results of gamma-ray observations of the binary system HESS J0632+057 collected during 450 hours over 15 years, between 2004 and 2019, are presented. Data taken with the atmospheric Cherenkov telescopes H.E.S.S., MAGIC, and VERITAS at…

High Energy Astrophysical Phenomena · Physics 2022-01-05 C. B. Adams , W. Benbow , A. Brill , J. H. Buckley , M. Capasso , A. J. Chromey , M. Errando , A. Falcone , K. A. Farrell , Q. Feng , J P. Finley , G. Foote , L. Fortson , A. Furniss , A. Gent , G. H. Gillanders , C. Giuri , O. Gueta , D. Hanna , T. Hassan , O. Hervet , J. Holder , B. Hona , T. B. Humensky , W. Jin , P. Kaaret , M. Kertzman , D. Kieda , T. K. Kleiner , F. Krennrich , S. Kumar , M. J. Lang , M. Lundy , G. Maier , C. E. McGrath , P. Moriarty , R. Mukherjee , D. Nieto , M. Nievas-Rosillo , S. O'Brien , R. A. Ong , A. N. Otte , N. Park , S. Patel , K. Pfrang , A. Pichel , M. Pohl , R. R. Prado , J. Quinn , K. Ragan , P. T. Reynolds , D. Ribeiro , E. Roache , A. C. Rovero , J. L. Ryan , M. Santander , S. Schlenstedt , G. H. Sembroski , R. Shang , D. Tak , V. V. Vassiliev , A. Weinstein , D. A. Williams , T. J. Williamson , V. A. Acciari , S. Ansoldi , L. A. Antonelli , A. Arbet Engels , M. Artero , K. Asano , D. Baack , A. Babić , A. Baquero , U. Barres de Almeida , J. A. Barrio , I. Batković , J. Becerra González , W. Bednarek , L. Bellizzi , E. Bernardini , M. Bernardos , A. Berti , J. Besenrieder , W. Bhattacharyya , C. Bigongiari , A. Biland , O. Blanch , H. Bökenkamp , G. Bonnol , Ž. Bošnjak , G. Busetto , R. Carosi , G. Ceribella , M. Cerruti , Y. Chai , A. Chilingarian , S. Cikota , S. M. Colak , E. Colombo , J. L. Contreras , J. Cortina , S. Covino , G. D'Amico , V. D'Elia , P. Da Vela , F. Dazzi , A. De Angelis , B. De Lotto , M. Delfino , J. Delgado , C. Delgado Mendez , D. Depaoli , F. Di Pierro , L. Di Venere , E. Do Souto Espiñeira , D. Dominis Prester , A. Donini , D. Dorner , M. Doro , D. Elsaesser , V. Fallah Ramazani , A. Fattorini , M. V. Fonseca , L. Font , C. Fruck , S. Fukami , Y. Fukazawa , R. J. García López , M. Garczarczyk , S. Gasparyan , M. Gaug , N. Giglietto , F. Giordano , P. Gliwny , N. Godinović , J. G. Green , D. Green , D. Hadasch , A. Hahn , L. Heckmann , J. Herrera , J. Hoang , D. Hrupec , M. Hütten , T. Inada , K. Ishio , Y. Iwamura , I. Jiménez Martínez , J. Jormanainen , L. Jouvin , M. Karjalainen , D. Kerszberg , Y. Kobayashi , H. Kubo , J. Kushida , A. Lamastra , D. Lelas , F. Leone , E. Lindfors , L. Linhoff , S. Lombardi , F. Longo , R. López-Coto , M. López-Moya , A. López-Oramas , S. Loporchio , B. Machado de Oliveira Fraga , C. Maggio , P. Majumdar , M. Makariev , M. Mallamaci , G. Maneva , M. Manganaro , K. Mannheim , L. Maraschi , M. Mariotti , M. Martínez , D. Mazin , S. Menchiari , S. Mender , S. Mićanović , D. Miceli , T. Miener , J. M. Miranda , R. Mirzoyan , E. Molina , A. Moralejo , D. Morcuende , V. Moreno , E. Moretti , T. Nakamori , L. Nava , V. Neustroev , C. Nigro , K. Nilsson , K. Nishijima , K. Noda S. Nozaki , Y. Ohtani , T. Oka , J. Otero-Santos , S. Paiano , M. Palatiello , D. Paneque , R. Paoletti , J. M. Paredes , L. Pavletić , P. Peñil , M. Persic , M. Pihet , P. G. Prada Moroni , E. Prandini , C. Priyadarshi , I. Puljak , W. Rhode , M. Ribó , J. Rico , C. Righi , A. Rugliancich , L. Saha , N. Sahakyan , T. Saito , S. Sakurai , K. Satalecka , F. G. Saturni , B. Schleicher , K. Schmidt , T. Schweizer , J. Sitarek , I. Šnidarić , D. Sobczynska A. Spolon , A. Stamerra , J. Strišković , D. Strom , M. Strzys , Y. Suda , T. Surić , M. Takahashi , R. Takeishi , F. Tavecchio , P. Temnikov , T. Terzić , M. Teshima , L. Tosti , S. Truzzi , A. Tutone , S. Ubach , J. van Scherpenberg , G. Vanzo , M. Vazquez Acosta , S. Ventura , V. Verguilov , C. F. Vigorito , V. Vitale , I. Vovk , M. Will , C. Wunderlich , T. Yamamoto , D. Zarić , H. Abdalla , F. Aharonian , F. Ait-Benkhali , O. Anguener , C. Arcaro , H. Ashkar , M. Backes , V. Barbosa Martins , M. Barnard , R. Batzofin , Y. Becherini , D. Berge , K. Bernloehr , B. Bi , M. Boettcher , C. Boisson , J. Bolmont , M. de Bony , M. Breuhaus , R. Brose , F. Brun , T. Bulik , S. Caroff , S. Casanova , T. Chand , A. Chen , G. Cotter , J. Damascene Mbarubucyeye , J. Devin , A. Djannati-Atai , K. Egberts , J. Ernenwein , S. Fegan , A. Fiasson , G. Fichet de Clairfontaine , G. Fontaine , M. Fuessling , S. Funk , S. Gabici , G. Giavitto , D. Glawion , J. Glicenstein , M. Grondin , J. Hinton , W. Hofmann , T. Holch , M. Holler , D. Horns , Z. Huang , M. Jamrozy , F. Jankowsky , V. Joshi , I. Jung-Richardt , E. Kasai , K. Katarzynski , B. Khelifi , N. Komin , K. Kosack , D. Kostunin , S. Le Stum , A. Lemiere , J. Lenain , F. Leuschner , C. Levy , T. Lohse , A. Luashvili , I. Lypova , J. Mackey , J. Majumdar , D. Malyshev , V. Marandon , P. Marchegiani , A. Marcowith , G. Marti'i-Devesa , R. Marx , G. Maurin , P. Meintjes , A. Mitchell , R. Moderski , L. Mohrmann , A. Montanari , E. Moulin , J. Muller , T. Murach , M. de Naurois , A. Nayerhoda , J. Niemiec , A. Noel , P. O'Brien , S. Ohm , L. Olivera-Nieto , E. de Ona-Wilhelmi , M. Ostrowski , S. Panny , M. Panter , D. Parsons , G. Peron , V. Poireau , D. Prokhorov , H. Prokoph , G. Puehlhofer , M. Punch , A. Quirrenbach , P. Reichherzer , A. Reimer , O. Reimer , M. Renaud , F. Rieger , C. Romoli , G. Rowell , B. Rudak , H. Rueda Ricarte , E. Ruiz Velasco , V. Sahakian , S. Sailer , H. Salzmann , D. Sanchez , A. Santangelo , M. Sasaki , F. Schuessler , H. Schutte , U. Schwanke , M. Senniappan , J. Shapopi , R. Simoni , H. Sol , A. Specovius , S. Spencer , R. Steenkamp , S. Steinmassl , L. Sun , T. Takahashi , T. Tanaka , R. Terrier , N. Tsuji , Y. Uchiyama , C. van Eldik , B. van Soelen , J. Veh , C. Venter , J. Vink , S. Wagner , R. White , A. Wierzcholska , Y. W. Wong , M. Zacharias , D. Zargaryan , A. Zdziarski , A. Zech , S. Zhu , S. Zouari , N. Zywucka , Y. Moritani , D. F. Torres

Discovery of the neutron star spin and a possible orbital period from the Be/X-ray binary IGR J05414-6858 in the LMC

The number of known Be/X-ray binaries in the Large Magellanic Cloud is small compared to the observed population of the Galaxy or the Small Magellanic Cloud. The discovery of a system in outburst provides the rare opportunity to measure its…

High Energy Astrophysical Phenomena · Physics 2015-06-04 R. Sturm , F. Haberl , A. Rau , E. S. Bartlett , X. -L. Zhang , P. Schady , W. Pietsch , J. Greiner , M. J. Coe , A. Udalski

X-ray observations of Be/X-ray binaries in the SMC

(shortened) Fifteen Be/X-ray binaries and candidates in the SMC were observed serendipitously with the EPIC instruments of XMM-Newton during two observations of SNR 0047-73.5 and SNR 0103-72.6 in October 2000. A total of twelve of those…

Astrophysics · Physics 2009-11-10 F. Haberl , W. Pietsch

First correlation between compact object and circumstellar disk in the Be/X-ray binaries

A remarkable correlation between the H-alpha emission line and the radio behaviour of LSI+61 303 (V615 Cas, GT 0236+610) over its 4 yr modulation is discovered. The radio outburst peak is shifted by a quarter of the 4 yr modulation period…

Astrophysics · Physics 2007-05-23 R. Zamanov , J. Marti

Optical spectroscopy of 1A 0535+262 before, during, and after the 2020 giant X-ray outburst

We present the findings from our study of the Be/X-ray binary 1A 0535+262/HD 245770 during the giant X-ray outburst in October 2020. We utilized the 1.2-m telescope at Mount Abu Infrared observatory for optical observations of the Be…

High Energy Astrophysical Phenomena · Physics 2024-07-23 Sachindra Naik , Birendra Chhotaray , Neeraj Kumari

XTE and SAX observations of the Be/neutron star system RX J0146.9+6121

We report XTE and SAX observations of the X-ray pulsar RX J0146.9+612, the neutron star/Be binary system with the longest known spin period. Data obtained one month after the most recent outburst (July 1997), show that the source has…

Astrophysics · Physics 2007-05-23 S. Mereghetti , A. Tiengo , G. L. Israel , L. Stella

Multiband Studies of the Optical Periodic Modulation in the X-Ray Binary SAX~J1808.4-3658 during Its Quiescence and 2008 Outburst

We report on time-resolved optical imaging of the X-ray binary SAX J1808.4-3658 during its quiescent state and 2008 outburst. The binary, containing an accretion-powered millisecond pulsar, has a large sinusoidal-like modulation in its…

High Energy Astrophysical Phenomena · Physics 2015-05-30 Z. Wang , R. P. Breton , C. O. Heinke , C. J. Deloye , J. Zhong

X-ray emission from the luminous O-type subdwarf HD 49798 and its compact companion

The X-ray source RX J0648.0-4418 is the only confirmed binary system in which a compact object, most likely a massive white dwarf, accretes from a hot subdwarf companion, the bright sdO star HD 49798. The X-ray emission from this system is…

High Energy Astrophysical Phenomena · Physics 2015-06-15 S. Mereghetti , N. La Palombara , A. Tiengo , N. Sartore , P. Esposito , G. L. Israel , L. Stella