Beta Indi

β Indi
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Indus
Right ascension 20h 54m 48.6031s[1]
Declination −58° 27′ 14.957″[1]
Apparent magnitude (V) 3.658[1]
Characteristics
Spectral type K1II[1]
U−B color index +1.23[2]
B−V color index +1.25[2]
Astrometry
Radial velocity (Rv)−4.9 ± 0.9[1] km/s
Proper motion (μ) RA: 21.06[1] mas/yr
Dec.: −24.75[1] mas/yr
Parallax (π)5.41 ± 0.73[1] mas
Distanceapprox. 600 ly
(approx. 180 pc)
Absolute magnitude (MV)−2.664[3]
Details
Mass6.7±0.4[4] M☉
Radius12[5] R☉
Surface gravity (log g)0.800[6] cgs
Temperature4,383[6] K
Metallicity [Fe/H]−0.06[6] dex
Age53.2±10.0[4] Myr
Other designations
β Ind, Beta Indi, Beta Ind, B 2847A, CPD−58 7788, FK5 785, HD 198700, HIP 103227, HR 7986, SAO 246784, WDS 20548-5827A.[1]
Database references
SIMBADdata

Beta Indi (Beta Ind, β Indi, β Ind) is a K-type bright giant star in the constellation of Indus.[1] It has an apparent visual magnitude of approximately 3.658.[1]

β Indi has a visual companion, CCDM J20548-5827B, with an apparent visual magnitude of approximately 12.5.

References

  1. 1 2 3 4 5 6 7 8 9 10 11 * bet Ind -- Star in double system, database entry, SIMBAD. Accessed on line September 23, 2008.
  2. 1 2 HR 7986, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line September 23, 2008.
  3. ↑ Cassatella, A.; Altamore, A.; Badiali, M.; Cardini, D. (2001). "On the Wilson-Bappu relationship in the Mg II k line". Astronomy and Astrophysics. 374 (3): 1085. arXiv:astro-ph/0106070. Bibcode:2001A&A...374.1085C. doi:10.1051/0004-6361:20010816.
  4. 1 2 Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (January 2011), "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun", Monthly Notices of the Royal Astronomical Society, 410 (1): 190–200, arXiv:1007.4883, Bibcode:2011MNRAS.410..190T, doi:10.1111/j.1365-2966.2010.17434.x
  5. ↑ HD 198700, database entry, Catalog of Apparent Diameters and Absolute Radii of Stars (CADARS), 3rd edition, L. E. Pasinetti-Fracassini, L. Pastori, S. Covino, and A. Pozzi, CDS ID II/224. Accessed on line September 23, 2008.
  6. 1 2 3 Soubiran, C.; Le Campion, J.-F.; Cayrel de Strobel, G.; Caillo, A. (June 2010), "The PASTEL catalogue of stellar parameters", Astronomy and Astrophysics, 515: A111, arXiv:1004.1069, Bibcode:2010A&A...515A.111S, doi:10.1051/0004-6361/201014247.
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