Spatially resolved spectroscopy of WR ring nebulae. III - New results and chemical properties of the sample

Details Spatially resolved spectroscopy of WR ring nebulae. III - New results and chemical properties of the sample Spatially resolved spectroscopy of WR ring nebulae. III - New results and chemical properties of the sample

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...259..629e&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 259, no. 2, p. 629-648.

Astronomy and Astrophysics

Astrophysics

80

Astronomical Spectroscopy, H Ii Regions, Interstellar Matter, Stellar Coronas, Stellar Evolution, Wolf-Rayet Stars, Abundance, High Resolution, Massive Stars, Spatial Resolution

Scientific paper

The paper presents detailed high-spatial-resolution spectroscopy of seven WR ring nebulae, observed at several telescopes in both hemispheres. These are Anon (MR 26), Anon (MR 100), G 2.4 + 1.4, L 69.8 + 1.74, NGC 3199, RCW 104, and S 308. Using line diagnostic diagrams, it is found that photoionization is the main excitation source in the sample. Physical conditions and chemical abundances are derived for as many of the observed slit positions as possible in each nebula.

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