Author:
Cacciari C.,Carretta E.,Ferraro F.,Fusi Pecci F.,Tessicini G.,Nemec J.M.,Walker A.R.
Abstract
AbstractNew CCD BVI observations of RR Lyrae variables in M3 are presented. Mean magnitudes and colours are derived, as well as their relations with periods and amplitudes, and comparisons are made with previous data (Sandage 1981, 1990). Preliminary results are presented on the temperature distribution of the variables and the period-shift effect with respect to M15 and M68.
Publisher
Cambridge University Press (CUP)
Cited by
1 articles.
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