Ultraviolet and optical spectra of central stars of halo planetary nebulae

Details Ultraviolet and optical spectra of central stars of halo planetary nebulae Ultraviolet and optical spectra of central stars of halo planetary nebulae

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...265..757p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 265, no. 2, p. 757-766.

Astronomy and Astrophysics

Astrophysics

19

Planetary Nebulae, Stellar Evolution, Stellar Spectra, Ultraviolet Spectra, Visible Spectrum, Absorption Spectra, Abundance, Stellar Color, Stellar Luminosity, Stellar Magnitude, Stellar Spectrophotometry

Scientific paper

UV and optical spectrophotometric data on central stars of eight Population II planetary nebulae are analyzed. Visual magnitudes, spectral classification, color temperatures, and luminosities are derived from these data. All the stars in the sample exhibit an absorption-type spectrum, and most of them have normal H and He photospheric abundances, with the possible exception of M 2-29 and GJJC-1, which appear to be H-deficient.

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