Far Ultraviolet Spectroscopy of HD 76534

Details Far Ultraviolet Spectroscopy of HD 76534 Far Ultraviolet Spectroscopy of HD 76534

Mar 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004a%26a...416l...5m&link_type=abstract

Astronomy and Astrophysics, v.416, p.L5-L8 (2004)

Astronomy and Astrophysics

Astrophysics

10

Stars: Circumstellar Matter, Stars: Pre-Main Sequence, Stars: Individual: Hd 76534

Scientific paper

We present the first Far Ultraviolet Spectroscopic Explorer (FUSE) spectrum of HD 76534, a Herbig Be star. Here we focus on the analysis of the H2 absorption lines which allow to quantify the gaseous content along the line of sight. This analysis evidences large amounts of cold and warm H2 toward the star. We demonstrate that the H2 is bound to HD 76534 and we argue that it is likely distributed in a circumstellar envelope. In addition, the present study gives clues for the existence of common properties for the circumstellar H2 of Herbig Ae/Be stars.

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