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: http://www.astro.spbu.ru/staff/afk/Papers/2007/NRP2007abstr.html
Дата изменения: Fri Nov 19 16:09:18 2010 Дата индексирования: Tue Oct 2 03:48:17 2012 Кодировка: Поисковые слова: m 2 |
Nonradial pulsations in early spectral class stars. The results of the searching and analysis of the microvariability of the line proТle in spectra of bright OB-stars are presented. More than 1000 spectra of lambda Ori A, delat Ori A, alpha Cam, 19 Cep, iota Her, rho Leo and other stars were obtained with using 1-m and 6-meter telescope of Special Astrophysical Obser- vatory and 1.8-m telescope of Bohinsan Astronomical Observatory (Korea) were obtained. The regular line proТle variability (lpv) on the time scales from hours to days, connected with the non-radial pulsations, was revealed. At the Тrst time the quasi-regular CIII lambda 5696 line proТle variations in the spectra of delta Ori A was detected.