Nu Capricorni

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ν Capricorni
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Capricornus
Right ascension 20h20m39.8s
Declination −12°45′33″
Apparent magnitude (V) +4.77
Distance 272 ± 22 ly
(83 ± 7 pc)
Spectral type B9.5V
Other designations
Alshat, 8 Capricorni, HR 7773, HD 193432, BD−13°5642, HIP 100310, SAO 163468, GC 28282, ADS 13714, CCDM J20207-1246

Nu Capricorni (ν Cap, ν Capricorni) is a binary star in the constellation Capricornus. It has the traditional name Alshat, from the Arabic الشاة aš-šā[t], meaning the sheep that was to be slaughtered by the adjacent Dabih .[1] It is approximately 272 light years from Earth.

The primary component, ν Capricorni A, is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.77. Its companion, ν Capricorni B, is a twelfth magnitude star located 54 arcseconds or at least 4000 AU from the primary.


  1. ^ Allen, R. H. (1963). Star Names: Their Lore and Meaning (Reprint ed.). New York: Dover Publications Inc. p. 142. ISBN 0-486-21079-0. Retrieved 2010-12-12.