SIMBAD references

2004A&A...414L..45C - Astronomy and Astrophysics, volume 414, L45-48 (2004/2-2)

On the Wolf-Rayet counterpart to IC 10 X-1.


Abstract (from CDS):

Recent Chandra observations of the starburst galaxy IC 10 have resulted in an improved position for the bright (>1038erg/s) X-ray source IC 10 X-1. We discuss arguments in favour of the Wolf-Rayet star #17-A from Massey et al. (1992AJ....103.1159M) and Crowther et al. (2003A&A...404..483C) being the optical counterpart; alternative possibilities are also considered. We discuss the properties of Massey et al. (1992AJ....103.1159M) 17-A, finding it to be amongst the most luminous - and hence massive - WNE stars known and make comparisons with Cyg X-3. Finally we examine evolutionary constraints relating to the nature of the compact companion, finding that a putative neutron star companion would place stringent constraints on the minimum progenitor mass required to form a black hole in close binaries.

Abstract Copyright:

Journal keyword(s): galaxies: individual: IC 10 - stars: Wolf Rayet - X-rays: binaries

Nomenclature: Table 1: [CC2004] JHHMMSS.s+DDMMSS.s N=2.

Simbad objects: 12

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