SIMBAD references

1996PASP..108..664F - Publ. Astron. Soc. Pac., 108, 664-667 (1996/August-0)

An O VIII sequence for planetary-nebula nuclei.

FEIBELMAN W.A.

Abstract (from CDS):

The detection of O VIII emission lines in ultraviolet and optical spectra of high-excitation planetary nebla central stars suggests an "O VIII Sequence" for these object. Emission lines of O VII are also detected. Seven out of ten central stars for these planetaries are known to be nonradial g-mode pulsators. The stars form a narrow strip when plotted on the log L*/L_sun - log Teff H-R diagram.

Abstract Copyright:

Journal keyword(s): Stars

CDS comments: table 1 : RX J2117+3412 = RX J2117.1+3412

Simbad objects: 13

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