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Astronomy Letters

, Volume 34, Issue 7, pp 474–485 | Cite as

Photometric and spectroscopic evolution of the symbiotic nova V1016 Cygni after its outburst

  • V. P. ArkhipovaEmail author
  • V. F. Esipov
  • N. P. Ikonnikova
  • G. V. Komissarova
Article

Abstract

We have constructed the light curves of the symbiotic nova V1016 Cyg for the period 1971–2007 in a homogeneous photometric system close to UBV using our observations with the Zeiss-600 SAI telescope. Based on the observational data obtained with the 125-cm SAI telescope in 2000–2007, we have performed absolute spectrophotometry of the star in the range λ3700–9300 Å. The derived line intensities are compared with the data of other authors in the preceding years (1965–1988). The behavior of nebular lines showed the variations in electron density and, probably, electron temperature in the [OIII] emission region caused by a variable stellar wind from the hot component. All the available observations of the star confirm the theoretical conclusion that the nova-like outburst of V1016 Cyg was produced by a thermonuclear flash in the accreted envelope of a white dwarf.

Key words

stars-variable and peculiar symbiotic novae photometry spectra outbursts 

PACS numbers

97.80.Gm 

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Copyright information

© Pleiades Publishing, Ltd. 2008

Authors and Affiliations

  • V. P. Arkhipova
    • 1
    Email author
  • V. F. Esipov
    • 1
  • N. P. Ikonnikova
    • 1
  • G. V. Komissarova
    • 1
  1. 1.Sternberg Astronomical Institute (SAI)MoscowRussia

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