Planetary nebula with a peculiar spectrum in the ultraviolet - CN 3-1

Details Planetary nebula with a peculiar spectrum in the ultraviolet - CN 3-1 Planetary nebula with a peculiar spectrum in the ultraviolet - CN 3-1

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ap%26ss.176....9g&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 176, no. 1, Feb. 1991, p. 9-20. Research supported by National Astronomy a

Astronomy and Astrophysics

Astrophysics

3

Absorption Spectra, Planetary Nebulae, Spectrum Analysis, Stellar Spectra, Ultraviolet Spectra, B Stars, Forbidden Transitions, Helium, Interstellar Matter, Magnesium, Stellar Envelopes, Wolf-Rayet Stars

Scientific paper

IUE 200-300-nm spectroscopic observations of CN 3-1 obtained in July 1989 are reported and analyzed. Strong Mg I and Mg II absorption is detected and attributed to two dust-containing envelopes (a transition zone and a neutral envelope) surrounding the central nebula. The observed He II 468.6-nm emission is found to come from the WR primary component of the binary nucleus, the secondary being most likely a B0 or B2 star.

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