89 Aquarii

From Wikipedia, the free encyclopedia


89 Aquarii
Observation data
Epoch J2000
Constellation
(pronunciation)
Aquarius
Right ascension 23h 09m 54.8996s
Declination -22° 27′ 27.401″
Apparent magnitude (V) 4.726
Characteristics
Spectral type G7III
U-B color index 0.39
B-V color index 0.65
Astrometry
Radial velocity (Rv) -4.8 km/s
Proper motion (μ) RA: 35.92 mas/yr
Dec.: -7.79 mas/yr
Parallax (π) 6.26 ± 1.06 mas
Distance approx. 520 ly
(approx. 160 pc)
Absolute magnitude (MV) 5.334
Details
Mass ? M
Radius ? R
Luminosity ? L
Temperature ? K
Metallicity ?
Rotation ?
Age ? years
Visual binary orbit
Companion 89 Aquarii B
Semimajor axis (a) 0.2"
Inclination (i) 286°
Other designations
CCDM J23099-2227AB, GSC 06401-01356, IRC -20630, TD1 29655, 89 Aqr, HD 218640, JP11 3594, TYC 6401-1356-1, RST 3320AB, HD 218641, 2MASS J23095490-2227272, UBV M 26867, CD-23 17771, HIC 114375, PLX 5606, UBV 19827, CPD-23 8278, HIP 114375, PPM 274652, uvby98 100218640 AB, GC 32262, HR 8817, SAO 191687, YZ 112 15563, GCRV 14541, IDS 23046-2300 AB, WDS J23099-2227.
Database references
SIMBAD data

89 Aquarii is a star in the constellation Aquarius. Its apparent magnitude is 4.71.

[edit] Reference

Languages