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E. J. Jeffery (University of Texas at Austin), M. D. Joner, B. J. Taylor (Brigham Young University)
Observations can be made more efficiently at the telescope if substantial numbers of standard stars can be observed in a single setting. Previously standard star networks have been established using photoelectric photometers. Hence, current standards are, in many cases, scattered across fields of large angular size. With the use of CCDs, standard star observations can be done more effectively by observing a convenient set of closely positioned stars with a wide range of magnitudes and colors for use as new standards. The goal of this work is to provide such a set of standard stars using the cluster M67 and the Cousins VRI system. In an effort to estimate the photometric quality of these new standards, we will also investigate possible variable stars in the field. Comparisons will also be made to previous work published for this field.
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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.