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=1990cha%26a..14..381w&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 14, Issue 4, p. 381-388.

Astronomy and Astrophysics

Astrophysics

Infrared Sources, Molecular Clouds, Dynamics Of Interstellar Medium

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 submillimetre observations, we found the spectral gradient, IR luminosity and the shell structure of the IR source.
We also combined observations of CO and NH3 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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