Intriguing X-ray and optical variations of theγCassiopeiae analog HD 45314

Rauw, G.; Nazé, Y.; A. Smith, M.; S. Miroshnichenko, A.; Guarro Fló, J.; Campos, F.; Prendergast, P.; Danford, S.; N. González-Pérez, J.; Hempelmann, A.; Mittag, M.; H. M. M. Schmitt, J.; Schröder, K.-P.; V. Zharikov, S.

doi:10.1051/0004-6361/201731782

Public

Intriguing X-ray and optical variations of theγCassiopeiae analog HD 45314

Published in Astronomy and Astrophysics • Feb 15, 2018

Authors:

G. Rauw

Y. Nazé

M. A. Smith

Abstract

Context.A growing number of Be and Oe stars, named theγCas stars, are known for their unusually hard and intense X-ray emission. This emission could either trace accretion by a compact companion or magnetic interaction between the star and its decretion disk. Aims.To test these scenarios, we carried...

Subject

Physics

Astrophysics

Emission spectrum

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