Nitrogen recombination lines and abundance in nova shells

Details Nitrogen recombination lines and abundance in nova shells Nitrogen recombination lines and abundance in nova shells

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...369..213e&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 369, March 1, 1991, p. 213-218. Research supported by Universidad Nacional

Astronomy and Astrophysics

Astrophysics

5

Atomic Recombination, Line Spectra, Nitrogen Atoms, Novae, Recombination Reactions, Stellar Envelopes, Abundance, Atomic Excitations, Nuclear Fusion

Scientific paper

The observed intensities of N II lines in the DQ Her, CP Pup, and T Aur nova shells are compared with theoretical predictions. It is concluded that the relative intensities can be explained with excitation by recombination. The nitrogen abundances obtained from the line intensities relative to hydrogen have values about 400 to 700 times the solar abundance.

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