The quantitative assessment of UV extinction derived from IUE data of giants and supergiants

Details The quantitative assessment of UV extinction derived from IUE data of giants and supergiants The quantitative assessment of UV extinction derived from IUE data of giants and supergiants

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....104.1916c&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 104, no. 5, p. 1916-1929.

Astronomy and Astrophysics

Astronomy

26

Giant Stars, Interstellar Extinction, Iue, Supergiant Stars, Hot Stars, Main Sequence Stars, Stellar Luminosity, Stellar Spectra

Scientific paper

It is shown here that the UV interstellar extinction towards hot luminous stars can be determined as accurately as for hot main-sequence stars. An atlas of IUE dereddened fluxes is presented for 13 lightly reddened stars within the 1160-3125 A range. The fluxes of these stars how absorption line strengths that allow a rather accurate determination of relative temperatures and luminosities which is more suitable for the determination of UV extinction via the pair method than choosing a comparison star based on quoted optical MK classifications.

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