0000000001131248

AUTHOR

Jorge García-rojas

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

2014

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 this source. XTE J1946+274 was observed by Chandra-ACIS during quiescence in 2013 March 12. In addition, this source has been monitored from the ground-based astronomical observatories of El Teide (Tenerife, Spain), Roque de los Muchachos (La Palma, Spain) and Sierra Nevada (Granada, Spain) since 2011 September, and from the TUBITAK National Observatory (Antalya, Turkey) since 2005 April. We have performed spectral and photometric temporal analyses in order …

High Energy Astrophysical Phenomena (astro-ph.HE)PhysicsAccretion (meteorology)010308 nuclear & particles physicsBe starEpoch (astronomy)X-rayFOS: Physical sciencesFluxAstronomy and AstrophysicsAstrophysics01 natural sciencesLuminosityNeutron star13. Climate actionSpace and Planetary ScienceObservatory0103 physical sciencesAstrophysics - High Energy Astrophysical Phenomena010303 astronomy & astrophysicsAstronomy & Astrophysics
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