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Alania, I.Ph. and ალანია, ი. and Алания, И.Ф. (1960) Спектральные классы 10 звезд типа RR Лиры / ქნარის RR–ის ტიპის ათი ვარსკვლავის სპექტრები / The Spectral classes of 10 RR Lyrae Type Stars. აბასთუმნის ასტროფიზიკური ობსერვატორიის ბიულეტენი / Bulletin of the Abastumani Astrophysical Observatory (25). pp. 127-138.
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Abstract
The spectral classes of 10 RR Lyrae type stars at different phases of brightness have been determined by means of the spectrograms obtained with the meniscus type telescope of the Abastumani observatory. Both the stars of Pleiades and those of Fehrenbach's list have been used as the standards. The ratio K:H + Hs has been taken as the criteria for the classification. The dependence of this ration on the spectral class is given in Fig. 2. No separate grouping of variables seems to be noticeable on the "period spectrum" diagram. August. 1959.
| Item Type: | Article |
|---|---|
| Subjects: | Q Science > QB Astronomy |
| Divisions: | Institutes > Evgeny Kharadze Abastumani National Astrophysical Observatory |
| Depositing User: | თამარ ჭაღიაშვილი |
| Date Deposited: | 03 Jun 2018 09:54 |
| Last Modified: | 03 Jun 2018 09:54 |
| URI: | http://eprints.iliauni.edu.ge/id/eprint/8066 |
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