The Jet from MWC 137 Points at a Supergiant B[e] Star in a Binary

被引：0
|
作者：
Mehner, A. [1 ]
de Wit, W. J. [1 ]
Groh, J. H. [2 ]
Oudmaijer, R. D. [3 ]
Baade, D. [4 ]
Rivinius, Th. [1 ]
Selman, F. [1 ]
Boffin, H. M. J. [4 ]
Martayan, C. [1 ]
机构：
[1] ESO European Org Astron Res Southern Hemisphere, Santiago, Chile
[2] Trinity Coll Dublin, Dublin, Ireland
[3] Univ Leeds, Leeds, W Yorkshire, England
[4] ESO European Org Astron Res Southern Hemisphere, Garching, Germany
来源：
B(E) PHENOMENON: FORTY YEARS OF STUDIES | 2017年 / 508卷
关键词：
DIFFUSE INTERSTELLAR BANDS; MASSIVE STARS; EVOLUTION;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Galactic B[e] star MWC 137 is a prime example of an object with an uncertain evolutionary classification. Previous work has suggested that is either a pre- or a post-main sequence object. Integral field spectrograph observations with the Very Large Telescope Multi Unit Spectroscopic Explorer (VLT MUSE) of the host cluster SH 2-266 are used to provide a reliable evolutionary classification. The MUSE data also allowed the discovery of a large collimated outflow, geometrically centered on MWC 137. A color-magnitude diagram analysis of the cluster promotes strongly a post main sequence stage for MWC 137, while the existence of a jet implies the presence of an accretion disk. A SWIFT X-ray source, which may be associated with MWC 137, hints at the possibility of a neutron star companion.
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页码：267 / 272
页数：6
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