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Paper: The Radial Velocity Projection Factor in the Pulsating Helium Star V652 Her
Volume: 203, The Impact of Large-Scale Surveys on Pulsating Star Research, IAU Colloquium 176
Page: 441
Authors: Montañés Rodriguez, P.; Jeffery, C. S.; Aznar Cuadrado, R.; Pollacco, D.
Abstract: The behavior of the velocity projection factor was studied for three individual Lines, He I 4438 Å, Si III 4553 Å, and N II 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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