NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
New members of the infrared cluster in the Orion Molecular CloudNear-infrared high-resolution scans (3.5 arcsec) of the core of the Orion Molecular Cloud (no. 1) have revealed 26 sources. Eleven of these are identified with faint visible stars. The remainder are thought to be highly reddened stars embedded in the molecular cloud and include at least two of the previously known infrared cluster members. Comparison of the distribution of infrared and visible stars on the plane of the sky and in an infrared color-magnitude diagram shows that the obscured infrared sources form a separate cluster of stars. The newly discovered sources appear to fall into two categories: (1) optically identified stars probably on the front surface of the cloud and associated with the Trapezium cluster; and (2) unidentified infrared stars probably associated with the molecular cloud and the embedded infrared cluster. It is plausible that the newly discovered infrared sources in the OMC-1 region are stars less massive than the previously known members and younger than visible stars of similar mass in Orion Association.
Document ID
19830037652
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Lonsdale, C. J.
(Hawaii Univ. Honolulu, HI, United States)
Becklin, E. E.
(Hawaii, University Honolulu, HI, United States)
Lee, T. J.
(Hawaii Univ. Honolulu, HI, United States)
Stewart, J. M.
(Edinburgh, Royal Observatory, U.K. Infrared Telescope Unit, Hilo HI, United States)
Date Acquired
August 11, 2013
Publication Date
December 1, 1982
Publication Information
Publication: Astronomical Journal
Volume: 87
Subject Category
Astronomy
Accession Number
83A18870
Funding Number(s)
CONTRACT_GRANT: NASW-3159
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available