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A gallery of cool hypergiants — imaging their circumstellar environments

Published online by Cambridge University Press:  26 May 2016

Michael T. Schuster ,
Roberta M. Humphreys ,
Nathan Smith ,
Kris Davidson  and
Robert D. Gehrz
Michael T. Schuster
Affiliation:
Department of Astronomy, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455, USA
Roberta M. Humphreys
Affiliation:
Department of Astronomy, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455, USA
Nathan Smith
Affiliation:
Department of Astronomy, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455, USA
Kris Davidson
Affiliation:
Department of Astronomy, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455, USA
Robert D. Gehrz
Affiliation:
Department of Astronomy, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455, USA

Abstract

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High resolution imaging with HST-wfpc2 of seven of the most luminous evolved cool stars shows that the three OH/IR stars NML Cyg, VX Sgr and S Per have circumstellar nebulae while no ejecta was detected for the M-type supergiant μ Cep and the yellow hypergiants ρ Cas, HR 8752 and HR 5171a.

Type
Part 1. Atmospheres of Massive Stars
Information
Symposium - International Astronomical Union , Volume 212: A Massive Star Odyssey: From Main Sequence to Supernova , 2003 , pp. 228 - 229
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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