A rotational velocity study of sharp-line B stars

Details A rotational velocity study of sharp-line B stars A rotational velocity study of sharp-line B stars

Nov 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975mnras.173..419d&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 173, Nov. 1975, p. 419-428.

Astronomy and Astrophysics

Astronomy

16

B Stars, O Stars, Stellar Rotation, Angular Velocity, Main Sequence Stars, Maxwell-Boltzmann Density Function, Stellar Spectra, Tables (Data)

Scientific paper

Measurements of v sin i for 74 OB stars, mostly with v sin i below 60 km/sec, have been made on spectrograms obtained with the coude spectrographs of the 82-in. and 107-in. reflectors at McDonald Observatory. This high-resolution study allows defining the frequency distribution of v sin i for small values of v sin i with improved accuracy. Combining the data with those from Slettebak for v sin i above 60 km/sec yields new frequency distributions of v sin i for main sequence and evolved B stars. Bimodal Maxwellian distribution functions are fitted to these curves.

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