Mu Hydrae

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Mu Hydrae
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Hydra
Right ascension 10h 26m 05.43s[1]
Declination −16° 50′ 10.6″[1]
Apparent magnitude (V) 3.81[2]
Spectral type K4III[3]

Mu Hydrae is a star in the constellation Hydra. Its apparent magnitude is 3.81.[2] Located around 71.79 parsecs (234.1 ly) distant,[1] the primary is an orange giant of spectral type K4III,[3] a star that has used up its core hydrogen and has expanded.


  1. ^ a b c van Leeuwen, F. (November 2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. 
  2. ^ a b Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues 2237: 0. Bibcode:2002yCat.2237....0D. 
  3. ^ a b Houk, N.; Smith-Moore, M. (1988). "University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume 4. Declinations -26°.0 to -12°.0". Department of Astronomy, University of Michigan. pp. 14 + 505.