SPECTRAL LUMINOSITY INDICATORS FOR FGKSUPERGIANTS AND CLASSICAL CEPHEIDS

Автор(и)

  • V. V. Kovtyukh Dpt. of Astronomy and Odessa Astronomical Observatory, Odessa National University T.G.Shevchenko Park, Odessa 65014 Ukraine, Ukraine
  • F. A. Chekhonadskikh Dpt. of Astronomy and Odessa Astronomical Observatory, Odessa National University T.G.Shevchenko Park, Odessa 65014 Ukraine, Ukraine

DOI:

https://doi.org/10.18524/1810-4215.2008.21.86856

Ключові слова:

Stars, fundamental parameters, stars, absolute magnitudes, supergiants.

Анотація

We have determined 28 relations between M ν, T eff and line depths ratios Rλ1/R λ2. These relations have been used for the estimation of the absolute magnitudes M ν of 56 FGK supergiants with an error 0.05-0.30 mag (Table 1). The application range is F0-K0, luminosity classes I and II.

Посилання

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Опубліковано

2008-12-20

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