Radial velocities of southern stars obtained with the photoelectric scanner Coravel. IV - Radial velocity variations of six cepheids in the Large Magellanic Cloud: HV 879, HV 899, HV 909, HV 2257, HV 2338, HV 2827

Details Radial velocities of southern stars obtained with the photoelectric scanner Coravel. IV - Radial velocity variations of six cepheids in the Large Magellanic Cloud: HV 879, HV 899, HV 909, HV 2257, HV 2338, HV 2827 Radial velocities of southern stars obtained with the photoelectric scanner Coravel. IV - Radial velocity variations of six cepheids in the Large Magellanic Cloud: HV 879, HV 899, HV 909, HV 2257, HV 2338, HV 2827

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26as...61..259i&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 61, Aug. 1985, p. 259-265.

Astronomy and Astrophysics

Astrophysics

16

Cepheid Variables, Magellanic Clouds, Radial Velocity, Stellar Structure, Astronomical Photometry, Diameters, Stellar Oscillations

Scientific paper

We present the first systematic radial-velocity measurements of Magellanic Cepheids. For six Cepheids in the Large Magellanic Cloud, we give 306 radial-velocity measurements, covering their complete periods. The B magnitudes range from 13 to 15.5, and the periods from 31 to 78 days. All measurements were made with the Coravel photoelectric scanner attached to the Cassegrain focus of the 1.54 m Danish telescope at La Silla, ESO, Chile, from January 1981 to October 1983. Each star was observed approximately 50 times. The radial-velocity phase diagrams have been smoothed and a velocity-time relation fitted. The stellar radius variation has been calculated over the whole period.

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