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reduced proper motion

Overview page. Subjects: Astronomy and Astrophysics.

Observed proper motion multiplied by a scaling factor to reduce it to a standard distance. For example, the relative distances of a sample of stars such as Cepheid variables can be derived...

See overview in Oxford Index

reduced proper motion

Edited by Ian Ridpath.

in A Dictionary of Astronomy

P ublished online February 2018 .

Reference Entry. Subjects: Astronomy and Astrophysics; Astronomical Instrumentation, Methods, and Techniques; Galaxies. 57 words.

Observed proper motion multiplied by a scaling factor to reduce it to a standard distance. For example, the relative distances of a sample of stars such as Cepheid variables can be derived...