RR Lyrae variables in Baade's Window

Details RR Lyrae variables in Baade's Window RR Lyrae variables in Baade's Window

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89.1836b&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 89, Dec. 1984, p. 1836-1867.

Other

52

Astronomical Photometry, Cepheid Variables, Globular Clusters, Light Curve, Stellar Magnitude, Astronomical Catalogs, Frequency Distribution, Galactic Bulge, Metallicity, Periodic Variations, Tables (Data), Windows (Intervals)

Scientific paper

A blink survey for Galactic-bulge RR Lyraes in Baade's Window has been carried out in a 777-sq-arcmin area that includes part of the area surveyed by Baade (1946, 1951, and 1963). Data are presented for 77 RR Lyraes, including 58 that had been previously detected by Baade, and for a few eclipsing or other short-period variables. Light curves and identification charts for all of these stars are given. The period-frequency and period-amplitude relationships, as well as estimated Delta S values, suggest that although the Galactic-bulge RR Lyraes show an appreciable range in metallicity, the majority are relatively metal rich as compared to the globular cluster M3.

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