A survey of the central-star characteristics of mostly faint planetary nebulae

Details A survey of the central-star characteristics of mostly faint planetary nebulae A survey of the central-star characteristics of mostly faint planetary nebulae

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pasp...97.1142a&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 97, Dec. 1985, p. 1142-1148.

Other

15

Carbon Stars, Emission Spectra, Planetary Nebulae, Stellar Spectra, Wolf-Rayet Stars, Continuous Spectra, Galactic Bulge

Scientific paper

From a survey of 70 planetary nebulae whose spectra have been studied with the image-tube scanner (ITS) at the Shane 3-m telescope of Lick Observatory, the authors assess the characteristics of the central stars. About two dozen appear to have central stars with continuous spectra; a slightly large number is classified as weak-emission-line objects with N III, C III, and C IV lines; seven are of the Wolf-Rayet type. Most of the observed objects lie in the direction of the galactic bulge; the others were scattered in galactic longitude to the anticenter. There appears to be no evidence for a systematic concentration of the types with respect to galactic longitude.

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