A Search for Close-in Companions and Circumstellar Dust Around Nearby Stars

Details A Search for Close-in Companions and Circumstellar Dust Around Nearby Stars A Search for Close-in Companions and Circumstellar Dust Around Nearby Stars

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..324..238m&link_type=abstract

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

Physics

Optics

Scientific paper

We present results from an on-going search for stellar and sub-stellar companions with the Palomar 200'' adaptive optics system. We have observed 12 sources with a coronagraph and present detection limits for faint companions. From non-coronagraphic imaging, we find that 8 of 20 observed stars are probable binaries. The objects are taken from the Meyer et al. (2001) SIRTF (Spitzer) Legacy Science Team sample. JHKs and 10 micron photometry is used to set upper limits on the presence of dust disks.

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