Wolf-Rayet Nuclei of Planetary Nebulae - Observations and Classification

Details Wolf-Rayet Nuclei of Planetary Nebulae - Observations and Classification Wolf-Rayet Nuclei of Planetary Nebulae - Observations and Classification

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26as..102..595t&link_type=abstract

Astronomy and Astrophysics Supplement, Vol.102, NO.3/DECII, P. 595, 1993

Astronomy and Astrophysics

Astrophysics

101

Planetary Nebulae: General, Stars: Woif-Rayet

Scientific paper

The paper presents the results of an observational study of emission-line central stars of planetary nebulae (CSPN). Stellar emission lines have been detected for 77 objects. 39 CSPN have been classified as WR (17 for the first time), and 38 as "weak emission-lines CSPN" (18 for the first time). The study confirms earlier findings that, i) unlike the Population I WR stars, the bulk of (if not all) the WR-type CSPN show WC spectra, and ii) the WC CSPN mostly populate subclasses WC 3-4 and WC 9-11 whereas the Population I WC stars concentrate within WC 5-9.

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