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Preliminary results of an observational campaign aiming at the study of the binary system LSS3074
Gosset, Eric; Rauw, Grégor; Manfroid, Jean et al.
2005In Massive Stars and High-Energy Emission in OB Associations
 

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Abstract :
[en] We present preliminary results of an observational campaign aiming at the study of the binary system LSS3074. A new lightcurve clearly indicates that the system is in contact. Recent spectroscopy broadly confirms the previous results and the rather low masses of both components (O4f[SUP]+[/SUP] and O6-7:(f):). We further analyse an XMM-Newton observation of the object that indicates a rather hard X-ray spectrum. This is partly due to the high interstellar extinction towards the object but also to the high plasma temperature (kT Ë 1.2-1.3 keV).
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Gosset, Eric ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE)
Rauw, Grégor  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE) - Sciences spatiales
Manfroid, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Antokhina, E.
Stevens, I. R.
Sana, H.
Language :
English
Title :
Preliminary results of an observational campaign aiming at the study of the binary system LSS3074
Publication date :
01 November 2005
Audience :
International
Main work title :
Massive Stars and High-Energy Emission in OB Associations
Pages :
77-80
Available on ORBi :
since 03 August 2009

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