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On the period changes of RR Lyrae variables in the globular cluster M3
Author(s) -
Wenzel W.
Publication year - 1995
Publication title -
astronomische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.394
H-Index - 63
eISSN - 1521-3994
pISSN - 0004-6337
DOI - 10.1002/asna.2103160403
Subject(s) - globular cluster , rr lyrae variable , comparability , astrophysics , period (music) , physics , instability strip , mathematics , astronomy , galaxy , combinatorics , cepheid variable , stars , acoustics
O – C diagrams of 78 RR Lyrae variables of the years 1963 to 1978 were used to investigate their comparability with the diagrams of 1895 to 1963. Only 5% have been proved to show a fundamentally deviating trend of the period change.