The interstellar medium of the hot-spot galaxy NGC 2903

Details The interstellar medium of the hot-spot galaxy NGC 2903 The interstellar medium of the hot-spot galaxy NGC 2903

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...375..105j&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 375, July 1, 1991, p. 105-115.

Astronomy and Astrophysics

Astronomy

36

Astronomical Photometry, Carbon Monoxide, H Alpha Line, Interstellar Matter, Molecular Clouds, Infrared Astronomy Satellite, Infrared Cirrus (Astronomy), Interstellar Extinction, Radio Galaxies, Stellar Luminosity

Scientific paper

The interstellar medium of a hot-spot galaxy NGC 2903 was studied by mapping NGC 2903 in 21-cm radio continuum, H-alpha, and CO J = 2-1 and 1-0 emissions. The dust distribution was studied using 50-micron and 100-micron IRAS Chopped Photometric Channel images of NGC 2903. The CO data were found to be consistent with emission from giant molecular clouds with properties typical of Milky Way clouds (i.e., with large optical depths, excitation temperatures near 10 K, and sizes about 100 pc). The global FIR/CO luminosity ratio is typical of that for normal spirals. The local FIR/CO ratio varies considerably.

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