Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978msngr..13...15l&link_type=abstract
ESO Messenger, June 1978, p. 15-17.
Astronomy and Astrophysics
Astronomy
Astronomical Photometry, Stellar Spectra, Variable Stars, Abundance, Astrometry, Light Curve, Stellar Temperature, Ubv Spectra
Scientific paper
The importance of studying RR Lyrae variables is discussed along with a recent photometric survey of southern RR Lyrae stars. The period-temperature plane for RR Lyrae stars and the B light curve of the extremely metal-poor variable V675 Sgr are plotted. Characteristics of the Walvaren VBLUW photometric system are summarized, and the use of this system in the case of RR Lyrae stars is described. Some important physical properties of field RR Lyrae variables are briefly reviewed.
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