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Evidence for Different Disk Mass Distributions between Early- and Late-type Be Stars in the BeSOS Survey
2017
Astrophysical Journal
The circumstellar disk density distributions for a sample of 63 Be southern stars from the BeSOS survey were found by modelling their Hα emission line profiles. These disk densities were used to compute disk masses and disk angular momenta for the sample. Average values for the disk mass are 3.4×10^-9 and 9.5×10^-10 M_ for early (B0-B3) and late (B4-B9) spectral types, respectively. We also find that the range of disk angular momentum relative to the star are between 150-200 and 100-150 J_/M_,
doi:10.3847/1538-4357/aa6f5f
fatcat:ypzmwudgmbbylfbnjxtx4hajg4