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Photometric-standard star - Wikipedia
Optical and UV Spectrophotometric Standard Stars - ESO
ESO - Standard Stars Catalogues
UBVRI Standard Star Fields - University of Arizona
Photometric Standard stars - IAC
Standard Star Photometry - Case Western Reserve University
Standard Photometric Stars - Boyce Astro
Standard Photometric Systems - Annual Reviews
An Atlas of Spectrophotometric Landolt Standard Stars
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