Kappa¹ Coronae Australis

Kappa¹ Coronae Australis (κ¹ CrA), is a star located in the constellation Corona Australis.[5][6] It forms a line-of-sight double star along with κ² Coronae Australis. κ¹ Coronae Australis is also known as HR 6952 and HD 170868.[5] κ² Coronae Australis is also known as HR 6953,[6] and is located 21.4 arcminutes away.

κ¹ Coronae Australis

Observation data Epoch J2000      Equinox J2000
Constellation	Corona Australis
Right ascension	18^h 33^m 23.08769^s[1]
Declination	−38° 43′ 12.2125″[1]
Apparent magnitude (V)	6.274[2]
Characteristics
Spectral type	B9 Vnn[3]
B−V color index	-0.06[4]
Astrometry
Radial velocity (Rv)	-16.00[2] km/s
Proper motion (μ)	RA: 12.01[1] mas/yr Dec.: -23.71[1] mas/yr
Parallax (π)	21.18 ± 6.53[1] mas
Distance	approx. 150 ly (approx. 50 pc)
Other designations
κ^1 CrA, CD-38° 12896, HD 170867, HIP 90969, SAO 210293, HR 6952, GC 25315, CCDM J18334-3843B, WDS J18334-3844B
Database references
SIMBAD	data

References

1. 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. "kap01 CrA". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 30 December 2016.
3. Abt, Helmut A.; Morrell, Nidia I. (1995). "The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars". Astrophysical Journal Supplement. 99: 135. Bibcode:1995ApJS...99..135A. doi:10.1086/192182.
4. Corben, P. M. (1971). "Photoelectric Magnitudes and Colours for Bright Southern Stars". Monthly Notes of the Astron. Soc. Southern Africa. 70: 37. Bibcode:1971MNSSA..30...37C.
5. "k1Coronae Australis". Alcyone.de. Retrieved 23 January 2015.
6. "k2Coronae Australis". Alcyone.de. Retrieved 23 January 2015.

External links

• Server7.wikisky.org