He 2-467 = LT Del - A yellow symbiotic star with a period of about 500 days

Details He 2-467 = LT Del - A yellow symbiotic star with a period of about 500 days He 2-467 = LT Del - A yellow symbiotic star with a period of about 500 days

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pazh...14..445a&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 14, May 1988, p. 445-455. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

1

Peculiar Stars, Stellar Color, Symbiotic Stars, Ubv Spectra, Electrophotometry, Planetary Nebulae, Stellar Spectrophotometry

Scientific paper

By means of broad and narrow-band photometry in the UBV spectral region the variability of the object He2-467 earlier classified as peculiar central star of a planetary nebula has been revealed. The light amplitude significantly descreases with the wavelength, from 1m.9 in U to 0m.3 in V. The brightness variations were found to be periodic with P = 488 days. The observations of He2-467 were interpreted using the model of a binary consisting of a very hot subdwarf and a G5 II giant. The parameters of both components have been derived. The hot star is probably the evolved low mass nucleus of a planetary nebula already dissipated.

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