SIMBAD references

2003A&A...397..859S - Astronomy and Astrophysics, volume 397, 859-870 (2003/1-3)

A large Wolf-Rayet population in NGC 300 uncovered by VLT-FORS2.

SCHILD H., CROWTHER P.A., ABBOTT J.B. and SCHMUTZ W.

Abstract (from CDS):

We have detected 58 Wolf-Rayet candidates in the central region of the nearby spiral galaxy NGC 300, based on deep VLT-FORS2 narrow-band imaging. Our survey is close to complete except for heavily reddened WR stars. Of the objects in our list, 16 stars were already spectroscopically confirmed as WR stars by Schild & Testor and Breysacher et al., to which 4 stars are added using low resolution FORS2 datasets. The WR population of NGC 300 now totals 60, a threefold increase over previous surveys, with WC/WN≥1/3, in reasonable agreement with Local Group galaxies for a moderately sub-solar metallicity. We also discuss the WR surface density in the central region of NGC 300. Finally, analyses are presented for two apparently single WC stars - #29 (alias WR3, WC5) and #48 (alias WR13, WC4) located close to the nucleus, and at a deprojected radius of 2.5kpc, respectively. These are among the first models of WR stars in galaxies beyond the Local Group, and are compared with early WC stars in our Galaxy and LMC.

Abstract Copyright:

Journal keyword(s): galaxies: individual: NGC 300 - stars: Wolf-Rayet - stars: fundamental parameters

Nomenclature: Table 1: [SCA2003] NN (Nos 1-58).

CDS comments: in ref list SEATON 1979MNRAS.187p..73S instead of MNRAS.187.73

Simbad objects: 86

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