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Protostellar Condensations within the Orion Ridge
California Institute of Technology, Pasadena, CA, USA.
California Institute of Technology, Pasadena, CA, USA.
Onsala Space Observatory, Onsala, Sweden.ORCID iD: 0000-0002-4826-019X
California Institute of Technology, Pasadena, CA, USA.
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1986 (English)In: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 304, no 2, L51-L55 p.Article in journal (Refereed) Published
Abstract [en]

Aperture synthesis observations of the CS J = 2 to 1 line and 95 GHz continuum emission from a 2 arcmin x 3 arcmin region around IRc2 in the OMC-1 molecular cloud have been obtained at 7.5 arcsec resolution with the Owens Valley Radio Observatory millimeter interferometer. These observations reveal four distinct condensations with the OMC-1 molecular ridge. The condensations lie along the edge of the bright central part of the H II region, M 42, suggesting that they may have been formed as a result of shock compression driven by the H II region. Their masses and densities, M about 50 solar masses and n about 10 to the 6th - 10 to the 7th/cu cm, suggest that the condensations will undergo further massive star formation on a short time scale (about 20,000 yr).

Place, publisher, year, edition, pages
Philadelphia, PA: Institute of Physics Publishing (IOPP), 1986. Vol. 304, no 2, L51-L55 p.
Keyword [en]
interstellar: molecules, nebulae: Orion Nebula, stars: formation
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:hh:diva-22796DOI: 10.1086/184669ISI: A1986C426700004OAI: oai:DiVA.org:hh-22796DiVA: diva2:629842
Available from: 2013-06-17 Created: 2013-06-17 Last updated: 2017-12-06Bibliographically approved

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Bååth, Lars B.

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