Abstract
U BV RI photoelectric observations have been made of 335 stars around
the sky, and centered approximately at +50 deg declination. The
majority of the stars fall in the magnitude range 9 < V
< 16, and in the color range -0.3 < (B - V) < +1.8.
Those 243 stars best suited as new broadband photometric
standard stars average 12.5 measures each from data taken on 98
different nights over a period of 17 years at the Kitt Peak
National and Lowell Observatories.
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