A High-Resolution Search for Radio Stars

Details A High-Resolution Search for Radio Stars A High-Resolution Search for Radio Stars

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21542418s&link_type=abstract

American Astronomical Society, AAS Meeting #215, #424.18; Bulletin of the American Astronomical Society, Vol. 42, p.333

Astronomy and Astrophysics

Astronomy

Scientific paper

Past searches for stellar radio emission have been plagued by high chance coincidence rates, rendering them unable to positively identify any radio stars fainter than V = 14.5. We conduct a new search for radio stars matching the Sloan Digital Sky Survey (SDSS) with a recent 1.4 GHz survey of the SDSS Southern Equatorial Stripe (aka Stripe-82). These observations were taken by the Very Large Array (VLA) in the A- and B-arrays and have an angular resolution of 1.8". This is a three-fold increase in angular resolution from previous searches, which we expect to reduce the false match rate by a factor of 5 in this deeper catalog. Selecting only i < 18 SDSS objects classified as stellar, we present a sample of radio star candidates. We explore the possibility that with the lower false match rate, we will be able to positively identify radio stars. This project also serves as an exploratory program for a wide-area A-array survey with the EVLA.

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