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The Radial Velocity Projection Factor in the Pulsating Helium Star V652 Her
Published online by Cambridge University Press: 12 April 2016
Abstract
The behavior of the velocity projection factor was studied for three individual Lines, He ɪ 4438 Å, Si ɪɪɪ 4553 Å, and N ɪɪ 4442 Å, and for the complete spectrum in the radially pulsating helium rich star V652 Her. It is shown that the projection factor is itself a function of expansion velocity.
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- Part 6. Variables Close to the Main Sequence
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- Copyright © Astronomical Society of the Pacific 2000