photographic magnitude concept from the Astronomy knowledge base

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photographic magnitude

subject fact

photographic magnitude has definition The magnitude of an object as measured on the traditional photographic emulsions, which are sensitive to a slightly bluer region of the spectrum than is the human eye. (m_ph)(antiquated term) has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:16.0
is a kind of apparent magnitude

radiation measurement has unit radiation unit

number has value 2001-09-27 09:32:57.0

photographic magnitude	has definition The magnitude of an object as measured on the traditional photographic emulsions, which are sensitive to a slightly bluer region of the spectrum than is the human eye. (m_ph)(antiquated term)
photographic magnitude	is a kind of apparent magnitude
radiation measurement	has unit radiation unit
number	has value