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Absolute energy distribution in the spectra of 32 Cygni. Eclipses of 1987 and 1990

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Bulletin of the Crimean Astrophysical Observatory

Abstract

The photometric observations during 1953–1994 were used for the construction of the summary light curve for 32 Cygni in the photometric UBV-system. On the basis of energy distribution data, the spectral classes and luminosities of the components of this binary system were obtained. The column density of HI during several ingresses and egresses was estimated, suggesting that the depression at λ 3650 Å was caused by hydrogen absorption.

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Authors and Affiliations

  1. Crimean Astrophysical Observatory, Nauchnyi, Crimea, 98409, Ukraine

    V. I. Burnashev & B. A. Burnasheva

Authors
  1. V. I. Burnashev
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  2. B. A. Burnasheva
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Correspondence to V. I. Burnashev.

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Original Russian Text © V.I. Burnashev, B.A. Burnasheva, 2011, published in Izvestiya Krymskoi Astrofizicheskoi Observatorii, 2011, Vol. 107, pp. 7–17.

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Burnashev, V.I., Burnasheva, B.A. Absolute energy distribution in the spectra of 32 Cygni. Eclipses of 1987 and 1990. Bull.Crim. Astrophys. Observ. 107, 1–10 (2011). https://doi.org/10.3103/S0190271711010037

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  • DOI: https://doi.org/10.3103/S0190271711010037

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