The existence and formation of molecular hydrogen in the nucleus of NGC 1068

Details The existence and formation of molecular hydrogen in the nucleus of NGC 1068 The existence and formation of molecular hydrogen in the nucleus of NGC 1068

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...233...39c&link_type=abstract

Astrophysical Journal, Part 1, vol. 233, Oct. 1, 1979, p. 39-43. Research supported by the Ohio State University.

Other

3

Galactic Nuclei, Hydrogen Clouds, Interstellar Gas, Molecular Gases, Seyfert Galaxies, Carbon, Cosmic Dust, Gas Density, Molecular Collisions, Reaction Kinetics

Scientific paper

Molecular hydrogen equilibrium densities and formation rates are calculated for conditions present in the nucleus of NGC 1068. Results are consistent with the observed mass of H2 reported by Thompson, Lebofsky, and Rieke (1978). If the illuminating radiation field is assumed to be truncated at the Lyman limit, molecular hydrogen is shielded from dissociation by carbon. The total mass of H2 predicted by the models is consistent with other investigations of this object. The possibility of collisional excitation of H2 is suggested.

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