Pi Capricorni,
Latinized from π Capricorni, is a
triple star system in the southern
constellation of
Capricornus. It has the traditional star name Okul[citation needed] or Oculus (meaning eye in
Latin).[12] This system appears blue-white in hue and is visible to the naked eye as a 5th magnitude star.[2] It is located approximately 660
light years distant from the Sun based on
parallax,[6] but is drifting closer with a
radial velocity of −13 km/s.[5]
^
abcdRakos, K. D.; et al. (February 1982), "Photometric and astrometric observations of close visual binaries", Astronomy and Astrophysics Supplement Series, 47: 221–235,
Bibcode:
1982A&AS...47..221R.
^Houk, N.; Smith-Moore, M. (1988), Michigan Catalogue of Two-dimensional Spectral Types for the HD Stars, vol. 4,
Bibcode:
1988mcts.book.....H.
^
abWilson, Ralph Elmer (1953), "General Catalogue of Stellar Radial Velocities", Carnegie Institute Washington D.C. Publication, Washington: Carnegie Institution of Washington,
Bibcode:
1953GCRV..C......0W.
^Mason, Brian D.; et al. (2001), "The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog", The Astronomical Journal, 122 (6): 3466,
Bibcode:
2001AJ....122.3466M,
doi:10.1086/323920.
External links
Kaler, James B. (November 7, 2014),
"Pi Capricorni", Stars, University of Illinois, retrieved 2017-05-13.