STIS observations of Beta Pictoris

Details STIS observations of Beta Pictoris STIS observations of Beta Pictoris

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997hst..prop.7512l&link_type=abstract

HST Proposal ID #7512

Physics

Hst Proposal Id #7512 Young Stars And Circumstellar Material

Scientific paper

Since the discovery of its circumstellar disk of dust and gas 10 years ago, p is a unique laboratory for the study of extrasolar planetary systems. Various observations of its dust and gas have enabled to improve our knowledge of the system; they have shown in particular that comets and may be also planets could be present around the star. However, the evolutionary status of the global system gas+dust still remains unclear. Also, the evolutionary status of the star itself is still controversial. , We propose to observe p with the STIS echelle mode to further test 1} the comet hypothesis as an explanation of the spectroscopic variability, 2} the origin of the stable circumstellar gas, and 3} the evolutionary status of the star itself.

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