Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...309...80l&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 309, Oct. 1, 1986, p. 80-89.
Astronomy and Astrophysics
Astronomy
50
Image Processing, Infrared Sources (Astronomy), Molecular Clouds, Protostars, Star Clusters, Star Formation, Interstellar Matter, Nebulae, Spectral Energy Distribution, Temperature Profiles
Scientific paper
Image restoration techniques are applied to one-dimensional scans at 50 and 100 microns of the protostellar cluster in S140. These measurements resolve the surrounding nebula clearly, and Fourier methods are used to match the effective beam profiles at these wavelengths. This allows the radial distribution of temperature and dust column density to be derived at a diffraction limited spatial resolution of 23 arcsec (0.1 pc). Evidence for heating of the S140 molecular cloud by a nearby ionization front is established, and the dissociation of molecules inside the ionization front is spatially well correlated with the heating of the dust. The far-infrared spectral distribution of the three near-infrared sources within 10 arcsesc of the cluster center is presented.
Ellis Benton Jr. H.
Harvey Paul Michael
Joy Marhshall
Lester Dan F.
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