Delta Indi

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Delta Indi
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Indus
Right ascension 21h 57m 55.074s[1]
Declination –54° 59′ 33.27″[1]
Apparent magnitude (V) +4.40
Characteristics
Spectral type A8IV + G0/7IV[2]
Astrometry
Proper motion (μ) RA: 41.94 ± 0.40[1] mas/yr
Dec.: –3.93 ± 0.28[1] mas/yr
Parallax (π) 22.71 ± 0.69[2] mas
Distance 144 ± 4 ly
(44 ± 1 pc)
Details
Other designations
HD 208450, HR 8368, CPD–55° 9733, HIP 108431, SAO 247244, WDS J21579-5500AB[3]

Delta Indi (δ Ind) is a binary star in the constellation Indus. Its apparent magnitude is 4.40.

References[edit]

  1. ^ a b c d van Leeuwen, F. (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.  Vizier catalog entry
  2. ^ a b Docobo, J. A.; Andrade, M. (2013). "Dynamical and physical properties of 22 binaries discovered by W. S. Finsen". Monthly Notices of the Royal Astronomical Society 428 (1): 321–339. Bibcode:2013MNRAS.428..321D. doi:10.1093/mnras/sts045. 
  3. ^ "* del Ind -- Double or multiple star". SIMBAD Astronomical Database. Centre de données astronomiques de Strasbourg. Retrieved 2014-12-27.