Rotational Velocity Determinations for 118 δ Scuti Variables

Details Rotational Velocity Determinations for 118 δ Scuti Variables Rotational Velocity Determinations for 118 δ Scuti Variables

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aj....136.1061b&link_type=abstract

The Astronomical Journal, Volume 136, Issue 3, pp. 1061-1066 (2008).

Astronomy and Astrophysics

Astronomy

6

Δ Scuti, Stars: Rotation

Scientific paper

A calibration method is presented for the determination of projected rotational velocities of 118 δ Scuti variables from FWHM measurements of metal lines near 4500 Å. The calibration relation used was derived from measurements of 29 stars. Of the 44 stars brighter than 8th magnitude and north of -1° declination which did not have values in the Rodríguez catalog (Rodríguez, E., López González, M. J., & López de Coca, P. 2000, A&AS, 144, 469) we present values for 38. In addition, we present new projected rotational velocity, vsin i, values for 10 stars south of -1° or fainter than 8th magnitude for a total of 48 vsin i values for stars with no previously published values.

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