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T. M. Corwin (UNC Charlotte), M. Catelan (Pontificia Universidad Catolica de Chile), H. A. Smith (Michigan State University), J. Borissova (Bulgarian Academy of Sciences), F. R. Ferraro (Osservatorio Astronomico di Bologna)
We present new BV CCD photometry, light curves, and ephemerides for 9 previously know and 28 newly detected RR Lyrae variables in the globular cluster M75. The photometry used for the detection of the additional variables was obtained with the image subtraction package ISIS. The data were acquired on an observing run in July 1999 and range over 7 observing nights. Estimates of fundamental photometric parameters are presented including intensity- and magnitude-averaged B and V magnitudes, magnitude-averaged colors, pulsation periods, and pulsation amplitudes.
The author(s) of this abstract have provided an email address for comments about the abstract: mcorwin@uncc.edu