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Title:
The O VI nucleus of the planetary nebula M3-30
Authors:
Kaler, J. B.; Shaw, R. A.
Affiliation:
AA(Illinois, University, Urbana, IL), AB(Illinois, University, Urbana, IL)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 278, March 1, 1984, p. 195-200. (ApJ Homepage)
Publication Date:
03/1984
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
OXYGEN SPECTRA, PLANETARY NEBULAE, STELLAR LUMINOSITY, STELLAR SPECTRA, CARBON, HELIUM, LINE SPECTRA, STELLAR TEMPERATURE
DOI:
10.1086/161781
Bibliographic Code:
1984ApJ...278..195K

Abstract

The discovery of another star with powerful O IV emission, the nucleus of the planetary nebula M3-30, is reported, along with quantitative measurements of the strength of the line relative to the luminosity of the star. This information is essential to determine how the O IV nuclei fit into the general scheme of planetary evolution. For comparison, estimates of the same quantities are made for other O IV stars from data found in the literature. Except for the generally high luminosities and temperatures of the stars, no correlation can be found between O IV strength and position on the log L-log T plane, which may reflect the generally poor state of the available data.

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