A dataset provided by the European Space Agency

Name: Revealing the X-ray counterpart of the gamma-ray binary candidate HD 215227
Published: 2014-06-19T00:00:00Z

Proposal ID	072361
Title	Revealing the X-ray counterpart of the gamma-ray binary candidate HD 215227
Download Data Associated to the proposal	https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0723610201
DOI	https://doi.org/10.5270/esa-vj35trk
Principal Investigator, PI	Mr Pere Munar Adrover
Abstract	Only 7 Galactic binary systems displaying GeV/TeV emission are known, and thephysical properties of these powerful accelerators are still under discussion.The Be star HD 215227, displaying a photometric period of 60 days, has beensuggested to be a new gamma-ray binary, although no X-ray counterpart has beenfound in the limited archival data available. Our recent optical spectroscopicresults unveil that HD 215227 is indeed a binary system, and the orbitalephemeris have allowed us to predict the epochs of expected enhanced X-rayemission. We request a 10-ks observation 0.3 orbital phases after periastron todiscover the X-ray counterpart and unveil the non-thermal nature of the putativeX-ray source. We are conducting multi-wavelength studies of the source.
Publications	Discovery of X-Ray Emission from the First Be/Black Hole System \|Munar-Adrover, P., Paredes, J. M., et al. \| ApJ \| 786-11 \| 2014 \| 2014ApJ...786L..11M \| http://ui.adsabs.harvard.edu/#abs/2014ApJ...786L..11M The Gamma-Ray Source AGL J2241+4454 as the Possible Counterpart of MWC 656 \|Munar-Adrover, Pere, Sabatini, S., et al. \| ApJ \| 829-101 \| 2016 \| 2016ApJ...829..101M \| http://ui.adsabs.harvard.edu/#abs/2016ApJ...829..101M The Million Optical - Radio/X-ray Associations (MORX) Catalogue \|Flesch, Eric W., \| PASA \| 33-52 \| 2016 \| 2016PASA...33...52F \| http://ui.adsabs.harvard.edu/#abs/2016PASA...33...52F Modelling the effect of absorption from the interstellar medium on transient black hole X-ray binaries \|Eckersall, A. J., Vaughan, S., \| MNRAS \| 471-1468 \| 2017 \| 2017MNRAS.471.1468E \| http://ui.adsabs.harvard.edu/#abs/2017MNRAS.471.1468E Classification of 4XMM-DR9 sources by machine learning \|Zhang, Yanxia, Zhao, Yongheng, \| MNRAS \| 503-5263 \| 2021 \| 2021MNRAS.503.5263Z \| http://ui.adsabs.harvard.edu/#abs/2021MNRAS.503.5263Z The XMM-Newton Line Emission Analysis Program (X-LEAP). I. Emission-line Survey of O VII, O VIII, and Fe L-shell Transitions \|Pan, Zeyang, Qu, Zhijie, et al. \| ApJS \| 271-62 \| 2024 \| 2024ApJS..271...62P \| http://ui.adsabs.harvard.edu/#abs/2024ApJS..271...62P From Active Stars to Black Holes: A Discovery Tool for Galactic X-Ray Sources \|Rodriguez, Antonio C., \| PASP \| 136-054201 \| 2024 \| 2024PASP..136e4201R \| http://ui.adsabs.harvard.edu/#abs/2024PASP..136e4201R Robust constraints on feebly interacting particles using XMM-Newton \|Luque, Pedro De la Torre, Balaji, Shyam, \| PhRvD \| 109-L101305 \| 2024 \| 2024PhRvD.109j1305L \| http://ui.adsabs.harvard.edu/#abs/2024PhRvD.109j1305L Multimessenger search for electrophilic feebly interacting particles from supernovae \|Luque, Pedro De la Torre, Balaji, Shyam, \| PhRvD \| 109-103028 \| 2024 \| 2024PhRvD.109j3028L \| http://ui.adsabs.harvard.edu/#abs/2024PhRvD.109j3028L Importance of Cosmic-Ray Propagation on Sub-GeV Dark Matter Constraints \|De la Torre Luque, Pedro, Balaji, Shyam, \| ApJ \| 968-46 \| 2024 \| 2024ApJ...968...46D \| http://ui.adsabs.harvard.edu/#abs/2024ApJ...968...46D
Instrument	EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage	2013-06-04T04:57:00Z/2013-06-04T08:48:50Z
Version	17.56_20190403_1200
Mission Description	The European Space Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations. Since Earths atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
Creator Contact	https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published	2014-06-19T00:00:00Z
Keywords	"gamma ray binary", "photometric period", "star hd 215227", "limited archival data", "tev emission", "orbital ephemeris", "enhanced xray emission", "optical spectroscopic", "xray source", "hd 215227", "binary system", "xray counterpart", "powerful accelerators", "physical properties", "conducting multi wavelength", "orbital phases", "HD 215227"
Publisher And Registrant	European Space Agency
Credit Guidelines	European Space Agency, Mr Pere Munar Adrover, 2014, 'Revealing the X-ray counterpart of the gamma-ray binary candidate HD 215227', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-vj35trk