Optical variations of three carbon stars with silicate dust shells

Details Optical variations of three carbon stars with silicate dust shells Optical variations of three carbon stars with silicate dust shells

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993balta...2..281a&link_type=abstract

Baltic Astronomy, vol. 2, p. 281

Astronomy and Astrophysics

Astronomy

2

Carbon Stars, Light Curve, Silicates, Astronomical Photography, Stellar Spectra, Cosmic Dust, Periodic Variations, Stellar Magnitude, Stellar Envelopes

Scientific paper

Light variations studied photographically in the red, visual, and blue bandpasses are presented for the carbon stars EU And, V778 Cyg, and BM Gem. The periodic component was found only in the variations of V778 Cyg, observations of which cover an interval of 15 years. For two other stars the 2.5-yr interval of observations revealed only irregular light changes. Magnitudes and finding charts for comparison stars are presented.

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