most citedOn the RR Lyrae stars in globulars: IV. Centauri Optical UBVRI Photometry

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astro-ph.SR2016★ 64 cited

On the RR Lyrae stars in globulars: IV. Centauri Optical UBVRI Photometry

V. F. Braga, P. B. Stetson, G. Bono +31

New accurate and homogeneous optical UBVRI photometry has been obtained for variable stars in the Galactic globular Cen (NGC 5139). We secured 8202 CCD images covering a time i…