Rotational velocity of Be stars correlated with extinction law

Details Rotational velocity of Be stars correlated with extinction law Rotational velocity of Be stars correlated with extinction law

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aca....43...53w&link_type=abstract

Acta Astronomica (ISSN 0001-5237), vol. 43, no. 1, p. 53-60.

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2

B Stars, Interstellar Extinction, Stellar Rotation, Angular Velocity, Infrared Photometry, Interstellar Matter, Peculiar Stars

Scientific paper

The paper presents the comparison of the extinction curves extracted from spectra of 35 Be stars. It is suggested that high rotational velocity relates to 'peculiar' shape of extinction curve i.e., the lack of the 2200 A bump. This phenomenon occurs only if the total reddening is not very high. We assume that such extinction curves originate solely in circumstellar disks surrounding the high rotational velocity stars. Other objects are probably also obscured by some additional interstellar clouds.

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