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.

引用

页码：267 / 272

页数：6

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