Observations of the infrared source in S 140 and the heating of the associated gas

Details Observations of the infrared source in S 140 and the heating of the associated gas Observations of the infrared source in S 140 and the heating of the associated gas

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990acaps..10..227w&link_type=abstract

(Acta Astrophysica Sinica, vol. 10, no. 3, 1990, p. 227-234) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 14, Dec.

Astronomy and Astrophysics

Astronomy

Gas Heating, Infrared Sources (Astronomy), Molecular Clouds, Ammonia, Carbon Monoxide, Cosmic Rays, Infrared Spectra, Infrared Telescopes, Shock Waves

Scientific paper

Near infrared observation of the infrared source in S140 was made using the 1.26 m infrared telescope of Beijing Observatory, yielding fluxes in the J, H, and K bands. Combining with data from satellite and ground-based IR and submillimeter observations, the spectral gradient, IR luminosity, and the shell structure of the IR source were found. Also, observations of CO and NH3 were combined in an analysis of the heating of the gas associated with the source. Besides through dust, the central source may also input energy into the gas through shock waves. External sources of heat and heating by photoelectric process and cosmic rays are also discussed.

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