2 papers
astro-ph.SR2019
Variable Stars in M13. III. The Cepheid Variables and their Relation to Evolutionary Changes in Metal-poor BL Her Stars
Wayne Osborn, Grzegorz Kopacki, Horace A. Smith +3
New CCD photometry has been combined with published and unpublished earlier observations to study the three Cepheid variables in M13: V1, V2 and V6. The light curve characteristics…
astro-ph.SR2010
Light Curves and Period Changes of Type II Cepheids in the Globular Clusters M3 and M5
Katie Rabidoux, Horace A. Smith, Barton J. Pritzl +20
Light curves in the B, V, and I_c passbands have been obtained for the type II Cepheids V154 in M3 and V42 and V84 in M5. Alternating cycle behavior, similar to that seen among RV…