Does Br-γ Corelate with Mass Accretion in Herbig Ae/Be Stars?

Details Does Br-γ Corelate with Mass Accretion in Herbig Ae/Be Stars? Does Br-γ Corelate with Mass Accretion in Herbig Ae/Be Stars?

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.6228d&link_type=abstract

American Astronomical Society, AAS Meeting #211, #62.28; Bulletin of the American Astronomical Society, Vol. 39, p.852

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Scientific paper

We present Brackett-gamma observations of 63 Herbig Ae/Be candidate stars. Herbig Ae/Be stars are the higher mass analogues of T Tauri stars. Both are young stellar objects accreting material from a
circumstellar disk. In T Tauri stars, there is a well established corelation between Brackett-gamma luminosity and mass accretion luminosity, and thus mass accretion rate. We seek to determine if this corelation holds true for Herbig Ae/Be stars, and how well it corelates based on spectral type. We will compare the Brackett-gamma luminosity of each our sample stars to the mass accretion rate as measured by other independent methods. If the corelation is valid for Herbig stars, astronomers will have a relatively simple, straightforward method for measuring the mass accretion rate.

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