The UBV Photoelectric Photometry Catalogue, or UBV M, is the star brightness catalogue that complies to the UBV photometric system developed by astronomer Harold Johnson.
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This article is an automated import of the Wikipedia article "UBV Photoelectric Photometry Catalogue", available at https://en.wikipedia.org/wiki/UBV_Photoelectric_Photometry_Catalogue . Text is licensed under CC BY-SA 4.0.