Reference : X-ray emission of interacting wind binaries in Cyg OB2
Scientific congresses and symposiums : Poster
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
http://hdl.handle.net/2268/155251
X-ray emission of interacting wind binaries in Cyg OB2
English
Nazé, Yaël mailto [Université de Liège - ULiège > > GAPHE : Astrophysique observationnelle (sol et espace) >]
Cazorla, Constantin mailto [Université de Liège - ULiège > > > 2e an. master sc. spat., fin. appr.]
Rauw, Grégor mailto [Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Sciences spatiales >]
Sep-2013
No
No
International
Setting a new standard in the analysis of binary stars
16-19 sep 2013
Leuven
belgium
[en] Cyg OB2 #5, #8A, and #9 are binary or multiple massive stars in the Cyg OB2 association displaying several peculiarities, such as bright X-ray emission and non-thermal radio emission. Our X-ray monitoring of these stars reveals the details of their behaviours at high energies, which can be directly linked to wind-wind collisions (WWCs). In addition, the X-ray emission of Cyg OB2 #12, an evolved massive star, shows a long-term decrease, which could hint at the presence of a companion (with associated colliding winds) or indicate the return to quiescence of the system following a recent eruption.
Researchers ; Professionals
http://hdl.handle.net/2268/155251

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