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Browsing by Subject "Stars: Variables: RR Lyrae"

Browsing by Subject "Stars: Variables: RR Lyrae"

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  • Arellano Ferro, A; Arévalo, M. J; Lázaro, C; Rey, M; Bramich, D. M; Giridhar, S (Instituto de Astronomía, Universidad Nacional Autónoma de México, 2004-10)
    We report the results of CCD V and R photometry of the RRstars known in NGC4147. The periodicities of most variables are revised and new ephemerides are calculated. The Blazhko effect has been detected in V2 and V6. Three ...
  • Ferro, A. A; Giridhar, S; Lopez, V. R; Figuera, R; Bramich, D. M; Rosenzweig, P (Instituto de Astronomía, 2008-10)
    New CCD photometry of NGC 6366 has lead to the discovery of some variable stars. Two possible Anomalous Cepheids (or Pop II Cepheids), three long period variables, one SX Phe and one eclipsing binary have been found. Also, ...

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