Confirmation of six Be X-ray binaries in the Small Magellanic Cloud

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Título: Confirmation of six Be X-ray binaries in the Small Magellanic Cloud
Autor/es: McBride, Vanessa A. | González-Galán, Ana | Bird, Antony J. | Coe, Malcolm J. | Bartlett, Elizabeth S. | Dorda Laforet, Ricardo | Haberl, Frank | Marco Tobarra, Amparo | Negueruela, Ignacio | Schurch, Matthew P.E. | Sturm, Richard | Buckley, David A.H. | Udalski, Andrzej
Grupo/s de investigación o GITE: Astrofísica Estelar (AE)
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal
Palabras clave: Stars: emission-line, Be | Magellanic Clouds | X-rays: binaries
Área/s de conocimiento: Astronomía y Astrofísica | Física Aplicada
Fecha de publicación: 3-feb-2017
Editor: Oxford University Press
Cita bibliográfica: Monthly Notices of the Royal Astronomical Society. 2017, 467(2): 1526-1530. doi:10.1093/mnras/stx181
Resumen: The X-ray binary population of the Small Magellanic Cloud (SMC) contains a large number of massive X-ray binaries, and the recent survey of the SMC by XMM–Newton has resulted in almost 50 more tentative high-mass X-ray binary (HMXB) candidates. Using probability parameters from Haberl and Sturm together with the optical spectra and timing in this work, we confirm six new massive X-ray binaries in the SMC. We also report two very probable binary periods of 36.4 d in XMM 1859 and of 72.2 d in XMM 2300. These Be X-ray binaries are likely part of the general SMC population, which rarely undergoes an X-ray outburst.
Patrocinador/es: This paper is based on ESO data from 079.D−0371 and 088.D−0352. The AAT observations have been supported by the OPTICON project (observing proposals 2011A/014 and 2012/A015), which is funded by the European Commission under the Seventh Framework Programme (FP7). VAM acknowledges financial support from the National Research Foundation of South Africa (Grant 93405) and the World Universities Network. RD, AM and IN from the University of Alicante acknowledge support from the Spanish Government Ministerio de Economía y Competitividad under grant AYA2015-68012-C2-2-P (MINECO/FEDER). ESB acknowledges support from a Claude Leon Foundation fellowship and from the Marie Curie Actions of the European Commission (FP7-COFUND). The OGLE project has received funding from the National Science Centre, Poland, grant MAESTRO 2014/14/A/ST9/00121 to AU.
URI: http://hdl.handle.net/10045/65591
ISSN: 0035-8711 (Print) | 1365-2966 (Online)
DOI: 10.1093/mnras/stx181
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2017 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society
Revisión científica: si
Versión del editor: http://dx.doi.org/10.1093/mnras/stx181
Aparece en las colecciones:INV - Astrofísica Estelar - Artículos de Revistas

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