Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986aj.....91.1350t&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 91, June 1986, p. 1350-1356.
Astronomy and Astrophysics
Astronomy
37
Astronomical Maps, Far Infrared Radiation, Molecular Clouds, Orion Nebula, Radio Spectra, Stellar Evolution, Carbon Monoxide, Infrared Astronomy Satellite, Spectral Resolution, Stellar Luminosity
Scientific paper
Three new maps of the Orion star-forming region are presented and discussed: a 60 μm 34arcsec resolution map of the core of the Orion Molecular Cloud 1 (Ori MC 1), a 60 μm large-area image of the region from IRAS data, and a J = 1→0 CO antenna-temperature map. Most of the luminosity of the region, and therefore most of the heating of the molecular ridge, arises ultimately from the Trapezium stars. The authors estimate a total far-infrared luminosity for Ori MC 1 of 2.5×105L_sun;, with an uncertainty of ±30%. Over the same region, there is at least 16 M_sun; of dust in emission. The authors estimate a luminosity of 4 - 5×104L_sun; for the most energetic member of the BN-KL embedded cluster IRc 2. The observations also include the M43 region, which is explained as a cavity on the side of the dense molecular ridge.
Bally John
Bieging John H.
Dragovan Mark
Greenhouse Matthew A.
Harper Doyal A.
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