Radial velocities of the δ Sct-type star V474 Mon.

Details Radial velocities of the δ Sct-type star V474 Mon. Radial velocities of the δ Sct-type star V474 Mon.

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994kfnt...10...36u&link_type=abstract

Kinematika Fiz. Nebesn. Tel, Tom 10, No. 1, p. 36 - 40

Physics

Delta Scuti Stars: Radial Velocities, Delta Scuti Stars: Spectrograms, Delta Scuti Stars: Stellar Diameters

Scientific paper

The radial velocities of δ Sct-type star V474 Mon have been determined from 73 spectrograms obtained with the 6-m telescope. Metallic and hydrogen lines are measured. The curves of radial velocities show both basic and secondary period variations. The relationships between the radial velocity amplitude and the phase of the secondary period are obtained. The variations of the radius by radial pulsations on the level of metallic lines formation are calculated. The radius of the star is estimated using the modified Wesselink method and photoelectric data.

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