Lines of iron as luminosity indicators for F-, G-, K-supergiants
We have achieved more than 80 high-precision relations between M_v, T_eff and iron line-depths ratios. These relations have been used for the estimation of the absolute magnitudes M_v for 43 FGK supergiants with an error 0.05^m–0.25^m. The program code based on our relations allows determining absol...
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| Format: | Article |
| Language: | English |
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National Aviation University
2009-12-01
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| Series: | Вісник Астрономічної школи |
| Online Access: | http://astro.nau.edu.ua/issues/2009_V.6_Iss.2/Chekhonadskikh.html |
| Summary: | We have achieved more than 80 high-precision relations between M_v, T_eff and iron line-depths ratios. These relations have been used for the estimation of the absolute magnitudes M_v for 43 FGK supergiants with an error 0.05^m–0.25^m. The program code based on our relations allows determining absolute magnitudes for supergiants and classical Cepheids of F0–G0 spectral classes and I–II luminosity classes. |
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| ISSN: | 1607-2855 2411-6602 |