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Warmers

Published online by Cambridge University Press:  03 August 2017

Jorge Melnick  and
Mohammad Heydari-Malayeri
Jorge Melnick
Affiliation:
European Southern Observatory Casilla 19001, Santiago 19 Chile
Mohammad Heydari-Malayeri
Affiliation:
European Southern Observatory Casilla 19001, Santiago 19 Chile

Abstract

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We present direct observational evidence showing that early type WR stars, and WO stars in particular, are exceedingly hot, and that their ionizing radiation is not fully trapped by their extended atmospheres. We show that extreme WR stars, or Warmers, are found in metal poor as well as in metal rich regions in accordance with theory. Images of HeIII regions around Galactic and Magellanic Cloud Warmers are shown.

Type
Session VI. Enrichment
Information
Symposium - International Astronomical Union , Volume 143: Wolf–Rayet Stars and Interrelations with other Massive Stars in Galaxies , 1991 , pp. 409 - 416
Copyright
Copyright © Kluwer 1991 

References

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