Wolf-Rayet population in M83 Virtual Observatory Resource

Authors
  1. Hadfield L.J.
  2. Crowther P.A.
  3. Schild H.
  4. Schmutz W.
  5. Published by
    CDS
Abstract

We present a catalogue of non-nuclear regions containing Wolf-Rayet stars in the metal-rich spiral galaxy M 83 (NGC 5236). From a total of 283 candidate regions identified using He II {lambda}4686 imaging with VLT-FORS2, Multi Object Spectroscopy of 198 regions was carried out, confirming 132 WR sources. From this sub-sample, an exceptional content of ~1035+/-300 WR stars is inferred, with N(WC)/N(WN) ~ 1.2, continuing the trend to larger values at higher metallicity amongst Local Group galaxies, and greatly exceeding current evolutionary predictions at high metallicity.

Keywords
  1. galaxies
  2. spectroscopy
  3. line-intensities
  4. variable-stars
Bibliographic source Bibcode
2005A&A...439..265H
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/439/265
IVOA Identifier IVOID
ivo://CDS.VizieR/J/A+A/439/265
Document Object Identifer DOI
doi:10.26093/cds/vizier.34390265

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History

2006-05-02T18:40:42Z
Resource record created
2006-05-02T18:40:42Z
Created
2006-05-02T18:42:16Z
Updated

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr