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The Horizontal Branch of the Sculptor Dwarf galaxy
Maurizio Salaris, Thomas de Boer, Eline Tolstoy +2
We have performed the first detailed simulation of the horizontal branch of the Sculptor dwarf spheroidal galaxy by means of synthetic modelling techniques,taking consistently into…
The Carina Project. VI. The helium burning variable stars
G. Coppola, P. B. Stetson, M. Marconi +14
We present new optical (BVI) time-series data for the evolved variable stars in the Carina dwarf spheroidal galaxy. The quality of the data and the observing strategy allowed us to…
The ACS LCID Project. VIII. The short-period Cepheids of Leo A
Edouard J. Bernard, Matteo Monelli, Carme Gallart +9
We present the results of a new search for variable stars in the Local Group dwarf galaxy Leo A, based on deep photometry from the Advanced Camera for Surveys onboard the Hubble Sp…
Does the Oosterhoff Dichotomy Exist in The Andromeda Galaxy? I. The case of G11
Rodrigo Contreras Ramos, Gisella Clementini, Luciana Federici +8
We present the first evidence that Oosterhoff type II globular clusters exist in the Andromeda galaxy (M31). On the basis of time-series photometry of the moderately metal-poor ([F…