Sulphur III lines and the excitation mechanism in NGC 1052

Details Sulphur III lines and the excitation mechanism in NGC 1052 Sulphur III lines and the excitation mechanism in NGC 1052

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.214p..41d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 214, June 1, 1985, p. 41P-45P.

Other

18

Astronomical Spectroscopy, Elliptical Galaxies, Galactic Radiation, Line Spectra, Radio Galaxies, Sulfur, Galactic Nuclei, Photoionization, Spectral Line Width

Scientific paper

Forbidden S III measurements of the nucleus of the classic Liner elliptical galaxy NGC 1052 are presented. A flux-calibrated spectrum corrected for continuous atmospheric extinction is presented along with one having the major atmospheric absorption bands divided out. The strength of the lines favors photoionization as opposed to shock heating models, in agreement with recent forbidden O III electron temperature data for NGC 1052 and with forbidden S III data for some other Liners.

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