104 Aquarii

104 Aquarii
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 23h 41m 45.8059s
Declination -17° 48′ 59.519″
Apparent magnitude (V) 4.825
Characteristics
Spectral type G2V
U−B color index 0.49
B−V color index 0.82
Astrometry
Radial velocity (Rv) 3.2 km/s
Proper motion (μ) RA: 13.93 mas/yr
Dec.: 0.11 mas/yr
Parallax (π) 5.07 ± 0.83 mas
Distance approx. 600 ly
(approx. 200 pc)
Absolute magnitude (MV) 5.609
Details
Mass 1,1 M
Radius 1,1 R
Luminosity 1,2 L
Temperature 5,000–6,000 K
Metallicity ?
Rotation 0,008981 Year
Age ? years
Orbit
Companion 104 Aquarii B
Semimajor axis (a) 120.8"
Inclination (i)
Orbit
Companion 104 Aquarii C
Semimajor axis (a) 90.2"
Inclination (i) 76°
Other designations
GSC 06407-01131, 2MASS J23414580-1748596, TYC 6407-1131-1, BD-18° 6358, HD 222574, NSV 14671, UBV M 27181, BDS 12511 A, HIC 116901, PLX 5731, UBV 20376, CCDM J23418-1748A, HIP 116901, PPM 241983, uvby98 100222574, CSI-18° 6358 1, HR 8982, ROT 3438, YZ 108 9890, GC 32911, IDS 23366-1822 A, SAO 165836, GCRV 14847, IRC -20640, JP11 3647, TD1 30025.
Database references
SIMBAD data
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

104 Aquarii (104 Aqr) is a triple star in Aquarius. 104 Aqr A is a spectroscopic binary and is suspected to be variable.

References

Components

NAME Right ascension Declination Apparent magnitude (V) Database references
104 Aquarii B (BD-18 6358B) 23h 41m 45.8s -17° 48' 36 7.9 Simbad
104 Aquarii C (BD-18 6358C) 23h 41m 54s -17° 48' 0.0 11.9 Simbad