Measurements of Mass Accretion Rates in Herbig Ae/Be Stars

Details Measurements of Mass Accretion Rates in Herbig Ae/Be Stars Measurements of Mass Accretion Rates in Herbig Ae/Be Stars

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21541439d&link_type=abstract

American Astronomical Society, AAS Meeting #215, #414.39; Bulletin of the American Astronomical Society, Vol. 36, p.1112

Astronomy and Astrophysics

Astronomy

Scientific paper

We present measurements of the veiling of the Balmer Discontinuity of Herbig Ae/Be stars to determine their mass accretion rate. Herbig Ae/Be stars are young stellar objects(YSOs) ranging from 2 to 10 Solar masses, surrounded by a circumstellar disks. Measurement of the stellar accretion rate of Herbig Ae/Be stars is
complicated by the difficulty of disentangling the stellar UV continuum and the accretion shock. The luminosity of Br-gamma emission has been shown to correlate with the accretion luminosity of classical T Tauri stars and intermediate mass T Tauri stars. We use our measurement of the veiling of the Balmer discontinuity to test the applicablity of this correlation to Herbig Ae/Be stars.

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