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Title:
The binary central star of the planetary nebula LT-5
Authors:
Feibelman, W. A.; Kaler, J. B.
Affiliation:
AA(NASA, Goddard Space Flight Center, Laboratory for Astronomy and Solar Physics, Greenbelt, MD), AB(Illinois, University, Urbana, IL)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 269, June 15, 1983, p. 592-595. (ApJ Homepage)
Publication Date:
06/1983
Category:
Astronomy
Origin:
STI
NASA/STI Keywords:
BINARY STARS, HOT STARS, PLANETARY NEBULAE, STELLAR SPECTRA, ULTRAVIOLET SPECTRA, G STARS, IUE, SPECTRAL ENERGY DISTRIBUTION, STELLAR EVOLUTION, SUBDWARF STARS
DOI:
10.1086/161065
Bibliographic Code:
1983ApJ...269..592F

Abstract

The authors have found with the IUE that the true central star of the giant planetary Longmore-Tritton 5 (339+88°1) is a binary companion to the G5 star SAO 82570. The slope of the energy distribution curve indicates that the star may be one of the hottest known. The Mg II doublet associated with the G star is very strong, consistent with the existence of a close binary companion.

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