paper

UBVRI Photometric Standard Stars Around the Celestial Equator: Updates and Additions

arXiv:0904.0638 · doi:10.1088/0004-6256/137/5/4186

Abstract

New broadband UBVRI photoelectric observations on the Johnson-Kron-Cousins photometric system have been made of 202 stars around the sky, and centered at the celestial equator. These stars constitute both an update of and additions to a previously published list of equatorial photometric standard stars. The list is capable of providing, for both celestial hemispheres, an internally consistent homogeneous broadband standard photometric system around the sky. When these new measurements are included with those previously published by Landolt (1992), the entire list of standard stars in this paper encompasses the magnitude range 8.90 < V < 16.30, and the color index range -0.35 < (B - V) < +2.30.

66 pages, 11 figures; complete version (including finding charts) to appear in May issue of AJ (2009, 137, 4186)

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