Chi Aquarii

χ Aquarii

Observation data Epoch J2000      Equinox J2000
Constellation	Aquarius
Right ascension	23h 16m 50.9395s
Declination	−07° 43′ 35.413″
Apparent magnitude (V)	5.01
Characteristics
Spectral type	M3III
U−B color index	1.6
B−V color index	1.6
Variable type	Variable star
Astrometry
Radial velocity (Rv)	-15.1 km/s
Proper motion (μ)	RA: -18.66 mas/yr Dec.: -15.43 mas/yr
Parallax (π)	5.09 ± 0.96 mas
Distance	approx. 600 ly (approx. 200 pc)
Absolute magnitude (MV)	6.56
Details
Mass	0,4 M☉
Radius	0,5 R☉
Luminosity	0,04 L☉
Temperature	2,000–3,500 K
Metallicity	?
Rotation	?
Age	? years
Other designations
92 Aquarii, IRC -10597, TYC 5821-1478-1, GSC 05821-01478, 2MASS J23165094-0743357, UBV M 26926, HD 219576, PLX 5630, UBV 19918, BD-08° 6076, PPM 207366, YZ 97 8267, EIC 886, HIP 114939, RAFGL 3058, AAVSO 2311-08, GC 32401, HR 8850, SAO 146612, GCRV 14595, IRAS 23142-0759.
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)

Chi Aquarii (χ Aqr, χ Aquarii) is a star in the constellation Aquarius.

Chi Aquarii is a M-type red giant with a mean apparent magnitude of +4.93. It is approximately 640 light years from Earth. It is classified as an irregular variable star and its brightness varies from magnitude +4.90 to +5.06.

Aquarius Constellation

References

• Image Chi Aquarii