Intrinsic UV colour indices of early-type stars

Details Intrinsic UV colour indices of early-type stars Intrinsic UV colour indices of early-type stars

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...122..207g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 122, no. 1-2, June 1983, p. 207-211. Research supported by the Polska Akademia

Astronomy and Astrophysics

Astrophysics

10

Early Stars, Interstellar Extinction, Stellar Spectrophotometry, Ultraviolet Photometry, B Stars, Interstellar Matter, O Stars, Ultraviolet Absorption

Scientific paper

Intrinsic UV colours of early-type stars have been determined using a new method based on the assumption that there is a linear correlation between UV colour excesses and EB-V. This method makes it possible to include all stars with available photometry independent of reddening. Results derived from ANS photometric data are presented. These include intrinsic UV colours covering all ANS photometric bands for spectral types O6-A0. It is also shown that this method, based on perfect correlation between UV and visual extinction, fails for the short wavelength colour index CI (1550Å-1800Å).

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