космічне випромінення, космическое излучение ; пульсуючі джерела, пульсирующие источники

A Binary Evolution Pulsator (BEP) is a low-mass (0.26 [символ]) member of a binary system, which pulsates as a result of a former mass transfer to its companion. The BEP mimics RR Lyrae-type pulsations, but has completely different internal structure and evolution history. Although there is only one known BEP (OGLE-BLG-RRLYR-02792), it has been estimated that approximately 0.2% of objects classified as RR Lyrae stars can be undetected Binary Evolution Pulsators. In the present work, this contamination value is re-evaluated using the population synthesis method. The output falls inside a range of values dependent on tuning the parameters in the StarTrack code, and varies from 0.06% to 0.43%.

Advances in Astronomy and Space Physics [Текст]. — Kiev, 2014. — Vol. 4, iss. 1/2. — 59 p.

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