Sub-mm Observation of Vega-like Stars

Details Sub-mm Observation of Vega-like Stars Sub-mm Observation of Vega-like Stars

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..324..250s&link_type=abstract

Debris Disks and the Formation of Planets: A Symposium in Memory of Fred Gillett, ASP Conference Series, Vol. 324, Proceedings o

Astronomy and Astrophysics

Astronomy

3

Scientific paper

We observed eight Vega-like stars at 850 μm with SCUBA on the JCMT at Mauna Kea, Hawaii; all are predicted to have high dust content. We marginally detected 49 Ceti (4 σ), previously detected in CO (Zuckerman et al. 1995). We derive a dust mass of ˜8 Mmoon, resulting in a gas-to-dust ratio of ˜ 20. We also detected HD 627, but the emission is extended and centered east of the star, suggesting interstellar rather than circumstellar origin.

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