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Two lines of sight with exceedingly anomalous ultraviolet interstellar extinctionLow-resolution IUE data toward HD 62542 reveal an extinction curve with an extremely broad and weak UV extinction bump and the highest FUV extinction yet observed in the Milky Way. Parameters describing the central position and FWHM for weak bumps observed toward HD 62542 and HD 29647 are derived using analytical fitting techniques. In both cases, the bump central positions are shifted shortward of 2175 A with an initial wavelength of 2110 A for HD 62542 and an initial wavelength of 2128 A for HD 29647. The bump FWHM is found to be 1.29/micron and 1.62/micron for HD 62542 and HD 29647, respectively.
Document ID
19880044657
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Cardelli, Jason A.
(Wisconsin Univ. Madison, WI, United States)
Savage, Blair D.
(Washburn Observatory Madison, WI, United States)
Date Acquired
August 13, 2013
Publication Date
February 15, 1988
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 325
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
88A31884
Funding Number(s)
CONTRACT_GRANT: NAG8-32
CONTRACT_GRANT: NAG1-86
Distribution Limits
Public
Copyright
Other

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