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- Title
Observations and Search for Evolutionary Changes in the Period of the Cepheid V1467 Cyg.
- Authors
Berdnikov, L. N.; Belinskii, A. A.; Pastukhova, E. N.; Burlak, M. A.; Ikonnikova, N. P.; Mishin, E. O.
- Abstract
observations of the classical Cepheid V1467 Cyg have been obtained with the 60-cm telescope at the Caucasus Mountain Observatory of the SAI MSU. Invoking all of the available photometry has allowed an diagram spanning a time interval of 107 years to be constructed. This has made it possible to calculate for the first time the rate of evolutionary decrease in the period of V1467 Cyg, s yr , in agreement with the results of model calculations for the second crossing of the instability strip. The pulsation stability test proposed by Lombard and Koen has confirmed that the evolutionary changes in the period are real.
- Subjects
STELLAR evolution; PHOTOMETRY; TELESCOPES; CEPHEIDS
- Publication
Astronomy Letters, 2020, Vol 46, Issue 3, p156
- ISSN
1063-7737
- Publication type
Article
- DOI
10.1134/S1063773720030019