Kappa2 Coronae Australis

Kappa2 Coronae Australis
Observation data
Epoch J2000      Equinox J2000
Constellation Corona Australis
Right ascension 18h 33m 23.13535s[1]
Declination −38° 43′ 33.5509″[1]
Apparent magnitude (V) 5.59[2]
Characteristics
Spectral type B9V[2]
Astrometry
Radial velocity (Rv)-15.00[2] km/s
Proper motion (μ) RA: 2.76[1] mas/yr
Dec.: -21.97[1] mas/yr
Parallax (π)3.35 ± 2.10[1] mas
Distanceapprox. 1,000 ly
(approx. 300 pc)
Other designations
κ2 CrA, CD-38° 12895, HD 170868, HIP 90968, SAO 210294, HR 6953, GC 25314, CCDM J18334-3843A, WDS J18334-3844A[2]
Database references
SIMBADdata

Kappa2 Coronae Australis (K2 CrA), is a star located in the constellation Corona Australis. Kappa2 Coronae Australis is also known as HR 6953 and HD 170867. The star is located at right ascension 18h 33m 23.1s and declination -38 deg 43 arcmin 34 arcsec.

Kappa2 Coronae Australis is a visual double star with Kappa1 Coronae Australis, also known as HR 6952. 1 and 2 are located at 21.4 arcminutes from each other. The double is the only one in line of sight, as Kappa1 is much more distant than the dimmer and closer Kappa2. Kappa2 Coronae Australis is a B9V star with apparent a visual magnitude of +5.65 and an absolute magnitude of +0.421.

Kappa2 Coronae Australis is located at a distance of 150 pc or 488.4 light years.

References

  1. 1 2 3 4 5 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. 1 2 3 4 "kap02 CrA". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 5 January 2016.


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