Abstract
view Abstract Citations (73) References (44) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The variation of galactic interstellar extinction in the ultraviolet. Witt, A. N. ; Bohlin, R. C. ; Stecher, T. P. Abstract The interstellar extinction in the UV (3.25 μm-1 ≤ λ-1 ≤ 8.0 μm-1) has been determined from IUE spectra for 29 reddened early-type stars by use of the pair method. The star sample was selected on the basis of highly deviant ratios of the strength of the 4430 Å diffuse interstellar absorption feature to color excess E(B-V) (15 stars) and on the basis of association with reflection nebulae (9 stars). The incidence of peculiar extinction curves among this sample as measured by significant deviations from the mean galactic extinction law is near 70%. Correlations of peculiar extinction with cloud environments are investigated. Previous studies that show variation in UV extinction characteristics with galactic longitude or with association with specific galactic spiral arms are confirmed. Publication: The Astrophysical Journal Pub Date: April 1984 DOI: 10.1086/161934 Bibcode: 1984ApJ...279..698W Keywords: Early Stars; Galactic Radiation; Interstellar Extinction; Ultraviolet Astronomy; Astronomical Coordinates; Iue; Milky Way Galaxy; Astrophysics full text sources ADS | data products SIMBAD (48) MAST (1)
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