H2 spectroscopy as an agent for extinction determinations The near-infrared curve for the Orion molecular cloud
Journal Article
·
· Astrophys. J.; (United States)
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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