Rotational Velocities of delta Scuti Variable Stars

Details Rotational Velocities of delta Scuti Variable Stars Rotational Velocities of delta Scuti Variable Stars

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.2919b&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #29.19; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

Spectra in the region of H-beta have been obtained for a sample of 243 of the 245 known delta Scuti variable stars which are north of -10 degree declination and brighter than 13th magnitude. We have also obtained a sample of rotational velocity standards in the same spectral region. From this we are assembling a catalog of rotational velocities for delta Scuti variables. We are studying and comparing two previously published methods for determining these rotational velocities. We will use one or both of these methods to calculate rotational velocities for all stars in our sample. In addition, we will determine the H-beta color index for all of the stars in our data set.

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