Periodicity of the light variability of In COM - The peculiar central star of the planetary nebula LT5

Details Periodicity of the light variability of In COM - The peculiar central star of the planetary nebula LT5 Periodicity of the light variability of In COM - The peculiar central star of the planetary nebula LT5

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pazh...15..346n&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 15, April 1989, p. 346-352. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

3

G Stars, Peculiar Stars, Planetary Nebulae, Stellar Spectrophotometry, Variable Stars, Binary Stars, Fourier Analysis, Starspots, Stellar Luminosity, Ubv Spectra

Scientific paper

Photoelectric UBV observations of IN Com in 1987-1988 have confirmed the periodic light variations observed by Schnell and Purgathofer (1983). A Fourier analysis of the 1983 and 1987-1988 observations led to the best period of 5.9522d. It is suggested that the observed periodicity may be caused by the reflection effect in a binary system or by the axial rotation of a G star with a long-lived spot or group of spots.

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