Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996cub..reptq....s&link_type=abstract
Technical Report, Colorado Univ. Boulder, CO United States Center for Astrophysics and Space Astronomy.
Astronomy and Astrophysics
Astronomy
Cosmic Dust, Interstellar Extinction, Orion Nebula, Ultraviolet Astronomy, Grain Size, Iue, Stellar Winds, Hot Stars, Abundance, Far Ultraviolet Radiation
Scientific paper
The goals of this IUE research were studies of stellar winds from hot stars and analyses of interstellar abundances and extinction curves. Emphasis was on interstellar depletions and their relationship to the nature of the dust as indicated by the extinction curve. Depletions are somewhat lower for a sightline in the vicinity of the Orion nebula, characterized by low far-UV extinction and low molecular abundances, than for clouds having steeper UV extinction and higher molecular abundances. This implies that the dust grains have grown large in regions like Orion through coagulation rather than grain mantle growth.
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