A simultaneous photometric and radial velocity study of short-period southern Cepheids. I - The radial velocities

Details A simultaneous photometric and radial velocity study of short-period southern Cepheids. I - The radial velocities A simultaneous photometric and radial velocity study of short-period southern Cepheids. I - The radial velocities

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apjs...46..287g&link_type=abstract

Astrophysical Journal Supplement Series, vol. 46, Aug. 1981, p. 287-293. Research supported by the Universidad de los Andes and

Astronomy and Astrophysics

Astrophysics

48

Cepheid Variables, Electrophotometry, Radial Velocity, Stellar Oscillations, Stellar Spectrophotometry, Ubv Spectra, Binary Stars, Electrophotometers, Harmonics, Stellar Luminosity

Scientific paper

Simultaneous photoelectric radial velocity and UBV (RI)KC photometric observations of 15 southern classical Cepheids with pulsation periods between 3d and 7d have been carried out. The results of the radial velocity observations are presented. For all of the variables, complete radial velocity curves could be obtained within two to four consecutive pulsation cycles.
Subsequent papers will present the results of the photometry and investigate radii, pulsation modes, and distances of the observed Cepheids, as well as their possible binary character.

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