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UBV Photometric System
Johnson System
Wide-band photometric system used in astronomy.
Wikipedia | UBV Photometric System
External Pages About UBV Photometric System
Encyclopædia Britannica Online
Statements about
UBV Photometric System
Instance Of
Photometric System
Inception
1950s
Uses
U Band
B Band
V Band
Discoverer or Inventor
Harold Johnson
William Wilson Morgan