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The quantitative assessment of UV extinction derived from IUE data of giants and supergiantsIt 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.
Document ID
19930030751
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/116367
Authors
Cardelli, Jason A. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Sembach, Kenneth R. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Mathis, John S. (Wisconsin Univ. Madison, United States)
Date Acquired
August 16, 2013
Publication Date
November 1, 1992
Publication Information
Publication: Astronomical Journal
Volume: 104
Issue: 5
ISSN: 0004-6256
Subject Category
Astrophysics
Accession Number
93A14748
Funding Number(s)
CONTRACT_GRANT: NAGW-2520
CONTRACT_GRANT: NAG5-832
Distribution Limits
Public
Copyright
Other

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