Observations of three central stars of planetary nebulae

Details Observations of three central stars of planetary nebulae Observations of three central stars of planetary nebulae

Sep 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...232..496m&link_type=abstract

Astrophysical Journal, Part 1, vol. 232, Sept. 1, 1979, p. 496-499.

Astronomy and Astrophysics

Astrophysics

13

Early Stars, Planetary Nebulae, Star Clusters, Stellar Spectra, Absorption Spectra, Astronomical Photography, Radial Velocity, Spectrograms

Scientific paper

Spectrograms of the central stars of the planetary nebulae NGC 246, He
2-131, and He 2-138 are described. Variations have been found in the
spectra of the first two stars. The central star of He 2-138 has a BC0
Ib spectrum; this is the first case of a low-mass star showing 'OBC'
characteristics.

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