``UBVRI Standard Stars'',
Astronomical Almanac, Section H
107 stars, UBVRI
The Arizona-Tonantzintla Catalogue,
Sky and Telescope, Vol. 30, 1965 Jul, pp. 24-31
1325 stars, UBVRI, most brighter than 6th mag.
Johnson and Harris,
``Three-Color Observations of 108 Stars Intended for use as Photometric Standards'',
Astrophysical Journal, Vol. 120, 1954, pp.196-199.
108 stars, ``formal definition of the UBV system''
NASA Astrophysics Data System (ADS) Article Service
Johnson and Morgan,
``Fundamental Stellar Photometry for Standards of Spectral Type on the Revised System of the Yerkes Spectral Atlas'',
Astrophysical Journal, Vol. 117, No. 3, 1953 May, pp. 313-352.
290 stars, most brighter than 5th mag.
NASA Astrophysics Data System (ADS) Article Service
Fainter stars
Landolt,
``UBVRI Photometric Standard Stars Around the Celestial Equator'',
Astronomical Journal, Vol. 88, No. 3, 1983 Mar, pp. 439-460.
223 stars near celestial equator;
UBVRI magnitudes for V from 7 to 12.5.
NASA Astrophysics Data System (ADS) Article Service Note: star SA 106 1024 was ultimately found to be variable (PASP Vol. 102, p. 1382)
Landolt,
``UBV Photoelectric Sequences in the Celestial Equatorial Selected Areas 92-115'',
Astronomical Journal, Vol. 78, No. 9, 1973 Nov, pp. 959-981 and 989-1020.
642 stars near celestial equator;
UBV magnitudes for V from 10.5 to 12.5;
includes finder charts
NASA Astrophysics Data System (ADS) Article Service
Landolt,
``UBVRI Photometric Standard Stars in the Magnitude Range 11.5 < V < 16.0 Around the Celestial Equator'',
Astronomical Journal, Vol. 104, No. 1, 1992 Jul, pp. 340-371 and 436-491.
298 stars near celestial equator;
UBVRI magnitudes for V from 11.5 to 16.0;
includes finder charts
NASA Astrophysics Data System (ADS) Article Service
