Three contributions to the "A Half Century of Stellar Pulsation Interpretations" proceedings
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Paper I: "RR Lyrae Variables in Globular Clusters and the Second-Parameter Phenomenon"
Authors: M. Catelan, A. V. Sweigart, J. Borissova Abstract: We propose to use RR Lyrae variables in globular clusters to probe the origin of the second-parameter phenomenon.
Paper II: "New Possible Variables in the Outer-Halo Globular Cluster Palomar 3"
Authors: J. Borissova, N. Spassova, M. Catelan, V. D. Ivanov Abstract: We present a list of ten possible variable stars in the globular cluster Pal 3. Seven are new suspected variables. The variability of the RR Lyr candidate reported by Burbidge & Sandage (1958), as well as of the Pop. II Cepheid and RR Lyr from Gratton & Ortolani (1984), are confirmed.
Paper III: "On the Production of Bright RR Lyrae Variables in Metal-Rich Globular Clusters"
Authors: A. V. Sweigart, M. Catelan Abstract: See astro-ph/9708174.
Three 2-page papers. To appear in "A Half Century of Stellar Pulsation Interpretations," eds. P. A. Bradley and J. A. Guzik, conference proceedings to be published as part of the ASP Conference Series in early 1998
Three 2-page papers. To appear in "A Half Century of Stellar Pulsation Interpretations," eds. P. A. Bradley and J. A. Guzik, conference proceedings to be published as part of the ASP Conference Series in early 1998