Populations of rotational levels of molecules in clouds with large red shift

Details Populations of rotational levels of molecules in clouds with large red shift Populations of rotational levels of molecules in clouds with large red shift

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987afz....26..501v&link_type=abstract

(Astrofizika, vol. 26, May-June 1987, p. 501-509) Astrophysics (ISSN 0571-7132), vol. 26, no. 3, Nov. 1987, p. 302-307. Translat

Statistics

Computation

Carbon Monoxide, Milky Way Galaxy, Molecular Clouds, Molecular Rotation, Red Shift, Relic Radiation, Computational Astrophysics, Energy Levels, Gas Density, Gas Temperature, Optical Thickness, Radiation Effects

Scientific paper

The effects of the background radiation field on the populations of CO-molecule rotational levels in molecular clouds of galaxies with large redshifts are considered. The kinetic temperature and gas concentration regions are taken to be typical for molecular clouds of our Galaxy: 102 ⪉ N(H2)(cm-3) ⪉ 106, 20 ⪉ Tk(K) ⪉ 100. The effect of the background radiation field has been studied in the redshift interval 1 ⪉ z ⪉ 5. It has been shown that the effect is essential even for N(H2) < 104cm-3 and is predominant for N(H2) = 102 - 103cm-3.

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