The Circumstellar Environment of VY CMa

Details The Circumstellar Environment of VY CMa The Circumstellar Environment of VY CMa

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...194.1306s&link_type=abstract

American Astronomical Society, 194th AAS Meeting, #13.06; Bulletin of the American Astronomical Society, Vol. 31, p.845

Astronomy and Astrophysics

Astronomy

1

Scientific paper

VY Canis Majoris is one of the most luminous known M supergiants. It is near the upper liminosity limit for cool stars on the HR Diagram. The optical star is partially obscured by its own circumstellar material. We present preliminary results of recent HST/WFPC2 optical imaging, and ground-based near-IR and mid-IR imaging of VY CMa and its circumstellar environment. We compare these results with previously obtained images of the related, but more evolved object IRC+10420 and discuss implications for their possible evolutionary and mass loss histories.

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