SIMBAD references

2003MNRAS.341..961P - Mon. Not. R. Astron. Soc., 341, 961-972 (2003/May-3)

More Wolf-Rayet central stars of planetary nebulae identified on the AAO/UKST Hα survey.


Abstract (from CDS):

The central stars of another four of the new planetary nebulae found during scans of the Anglo-Australian Observatory/UK Schmidt Telescope Hα survey of the Milky Way have been found to exhibit Wolf-Rayet emission features. One (PM4) is a [WC8] star; the other three are early-type stars of class either [WC4] or [WO4]. One of the [WC4] stars (PM3) exhibits unusual spectral features such as those found for PMR1 by Morgan, Parker & Russeil, which may be attributed to enhanced nitrogen in its atmosphere and could be indicative of unusual stellar evolution. The nebula around PM3 has a bright, dense, high-excitation core. Supplementary photometric data are consistent with the objects being planetary nebulae.

Abstract Copyright: 2003 RAS

Journal keyword(s): stars: chemically peculiar - stars: evolution - stars: Wolf-Rayet - planetary nebulae: general

Nomenclature: Text, Table 1: PMR N (Nos 3-7, 5 missing) added = PHR JHHMM+DDMM N=4.

Simbad objects: 11

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