Chi Scorpii

Chi Scorpii

Observation data Epoch J2000      Equinox J2000
Constellation	Scorpius
Right ascension	16^h 13^m 50.90563^s [1]
Declination	−11° 50′ 15.8891″ [1]
Apparent magnitude (V)	5.25 [2]
Characteristics
Spectral type	K3III [2]
B−V color index	+1.40 [2]
Astrometry
Radial velocity (Rv)	-23.61[3] km/s
Proper motion (μ)	RA: -4.82[1] mas/yr Dec.: -10.20[1] mas/yr
Parallax (π)	8.62 ± 0.35[1] mas
Distance	380 ± 20 ly (116 ± 5 pc)
Absolute magnitude (MV)	-0.07 [4]
Other designations
17 Scorpii, GC 21828, HIP 79540, HR 6048, HD 145897, SAO 159793 [2]
Database references
SIMBAD	data

Chi Scorpii (χ Sco, χ Scorpii) is a star in the constellation Scorpius.

Chi Scorpii is an orange K-type giant with an apparent magnitude of +5.25.^[2] It is approximately 378 light years from Earth.^[1]

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. "Chi Scorpii". SIMBAD Astronomical Database. Retrieved 2015-10-17.
3. Nidever, David L.; et al. (August 2002), "Radial Velocities for 889 Late-Type Stars", The Astrophysical Journal Supplement Series 141 (2): 503–522, arXiv:astro-ph/0112477, Bibcode:2002ApJS..141..503N, doi:10.1086/340570
4. Absolute magnitude calculated as $M = m + 5 (1 + \log_{10}{p})\!\,$, where $M$ is the star's absolute magnitude, $m$ is the star's apparent magnitude, and $p$ is the star's measured parallax in arcseconds.