Observations of H2 emission from NGC 7538

Details Observations of H2 emission from NGC 7538 Observations of H2 emission from NGC 7538

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...240l..95f&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 240, Sept. 1, 1980, p. L95-L98.

Astronomy and Astrophysics

Astrophysics

31

Emission Spectra, H Lines, Infrared Spectrophotometers, Interstellar Gas, Molecular Clouds, H Ii Regions, Luminosity, Spectral Resolution, Telescopes

Scientific paper

Observations of the molecular hydrogen emission at 2 microns in NGC 7538 are presented. A map of the v = 1-0S(1) line obtained at 34 arcsec resolution indicates that the peak of the molecular line emission occurs between the interface of the visible H II region and the dense molecular cloud and the infrared cluster within the molecular cloud. The apparent luminosity in the S(1) line of about 1.2 Solar luminosities is similar to that measured for Orion, before correction for extinction by overlying dust.

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