Zeta Indi

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ζ Indi
Indus constellation map.svg
Red circle.svg

Location of ζ Indi (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Indus
Right ascension 20h 49m 28.96164s[1]
Declination −46° 13′ 36.5836″[1]
Apparent magnitude (V) 4.90[2]
Characteristics
Spectral type K5III[3]
B−V color index +1.55[2]
Astrometry
Radial velocity (Rv) -5.20[4] km/s
Proper motion (μ) RA: +38.49[1] mas/yr
Dec.: +26.22[1] mas/yr
Parallax (π) 7.90 ± 0.32[1] mas
Distance 410 ± 20 ly
(127 ± 5 pc)
Absolute magnitude (MV) -0.61[5]
Details
Luminosity 400[6] L
Temperature 4,052[6] K
Other designations
FK5 3661, GC 29008, HIP 102790, HR 7952, HD 198048, SAO 230391 [2]
Database references
SIMBAD data

Zeta Indi (ζ Ind) is a class K5III[3] (orange giant) star in the constellation Indus. Its apparent magnitude is 4.90[2] and it is approximately 413 light years away based on parallax.[1]

References[edit]

  1. ^ a b c d e f van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752free to read. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ a b c d "Zeta Indi". SIMBAD Astronomical Database. Retrieved 2016-08-23. 
  3. ^ a b Houk, Nancy (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, 2, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode:1978MSS...C02....0H 
  4. ^ Wilson, R. E. (1953), General Catalogue of Stellar Radial Velocities, Carnegie Institute of Washington, Bibcode:1953GCRV..C......0W, LCCN 54001336 
  5. ^ Anderson, E.; Francis, Ch. (May 2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331–346. arXiv:1108.4971free to read. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015.  Vizier catalog entry
  6. ^ a b McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society. 427: 343. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.  Vizier catalog entry