UBVI Time-series Photometry of the Old LMC Globular Cluster Reticulum

Bibcode
2004CoAst.145...24R
DOI
10.1553/cia145s23
Ripepi, V.; Monelli, M.; Dall'Ora, M.; Bono, G.; Corsi, C.; Caputo, F.; Pulone, L.; Testa, V.; Andreuzzi, G.; Buonanno, R.; Marconi, G.; Marconi, M.; Di Criscienzo, M.; Storm, J.; degl'Innocenti, S.
Referencia bibliográfica

Communications in Asteroseismology, vol. 145, p. 24-27

Fecha de publicación:
6
2004
Número de autores
15
Número de autores del IAC
0
Número de citas
3
Número de citas referidas
3
Descripción
We present new UBVI CCD observations of the old LMC globular cluster RETICULUM. These data allowed us to re-determine periods and light curves and to identify 4 double mode RR Lyrae stars. A comparison with the theoretical instability strip in the M_V-log P plane shows good agreement between theory and observations when an apparent distance modulus of (m-M)=18.45+-0.12 mag (i.e.(m-M)_0=18.39+-0.12 mag) is assumed.
Tipo
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