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High resolution IRAS images of large shells around Wolf-Rayet stars

Published online by Cambridge University Press:  07 August 2017

Arturo Manchado ,
Guillermo García-Segura  and
You-Hua Chu
Arturo Manchado
Affiliation:
Institute de Astrofísica de Canarias, E-38200 La Laguna, Tenerife (Spain) Astronomy Department, University of Illinois, Urbana, IL 61801 (USA)
Guillermo García-Segura
Affiliation:
Astronomy Department, University of Illinois, Urbana, IL 61801 (USA)
You-Hua Chu
Affiliation:
Astronomy Department, University of Illinois, Urbana, IL 61801 (USA)

Abstract

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High-resolution IRAS images, processed by HIRES, are ideal for the search of large, cold, fossil shell structures around Wolf-Rayet stars. In our preliminary effort, we have confirmed the large, 1.°5 — 2°, ring structures around NGC 6888 and RCW 58, which are clearly shown in the HIRES processed images. We interpret them as fossil bubbles blown by the main-sequence progenitors of the WR stars, although these large shells were previously suggested to be evolved supernova remnants.

Type
Session I - Basic parameters, properties of single Wolf-Ray et stars
Information
Symposium - International Astronomical Union , Volume 163: Wolf-Rayet Stars: Binaries, Colliding Winds, Evolution , 1995 , pp. 74 - 75
Copyright
Copyright © Kluwer 1995 

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