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H2 spectroscopy as an agent for extinction determinations The near-infrared curve for the Orion molecular cloud

Journal Article · · Astrophys. J.; (United States)
DOI:https://doi.org/10.1086/164182· OSTI ID:5491767
A near-infrared (1.8 to 3.5) microns extinction curve for the Orion molecular cloud is presented. The curve is derived from high-resolution spectra of the Orion H2 source recorded from the Kuiper Airborne Observatory. The data reveal that the Orion extinction law is indistinguishable from a 1/lambda form in the near-infrared, except for strongly enhanced extinction near a wavelength of about 3 microns. The implications of these results, in the context of current interstellar grain models, are discussed. 53 references.
Research Organization:
Steward Observatory, Tucson, AZ; Arizona Univ., Tucson; Max-Planck-Institut fuer Physik und Astrophysik, Garching, West Germany
OSTI ID:
5491767
Journal Information:
Astrophys. J.; (United States), Journal Name: Astrophys. J.; (United States) Vol. 304; ISSN ASJOA
Country of Publication:
United States
Language:
English

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