53 Aquarii

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53 Aquarii
Observation data
Epoch J2000
Constellation
(pronunciation)
Aquarius
Right ascension 22h 26m 34.2753s
Declination -16° 44′ 31.697″
Apparent magnitude (V) 6.35
Characteristics
Spectral type G1V
U-B color index 0.09
B-V color index 0.61
Astrometry
Radial velocity (Rv) -6.2 km/s
Proper motion (μ) RA: 209.77 mas/yr
Dec.: 3.96 mas/yr
Parallax (π) 49.8 ± 2.54 mas
Distance 65 ± 3 ly
(20 ± 1 pc)
Absolute magnitude (MV) 6.15
Details
Mass ? M
Radius ? R
Luminosity ? L
Temperature ? K
Metallicity ?
Rotation ?
Age ? years
Visual binary orbit
Companion 53 Aquarii B
Semimajor axis (a) 3.3"
Inclination (i) 351°
Visual binary orbit
Companion 53 Aquarii C
Semimajor axis (a) ?"
Inclination (i)
Visual binary orbit
Companion 53 Aquarii D
Semimajor axis (a) ?"
Inclination (i)
Other designations
LTT 9026, CSI-17 6521 1, HD 212698, RBS 1862, 53 Aqr A, 2EUVE J2226-16.7, HIC 110778, 1RXS J222634.5-164433, 53 Aqr, EUVE J2226-16.7, HIP 110778, SAO 165078, ADS 15934 A, GC 31349, HR 8545, BD-17° 6521, GCRV 14103, PLX 5421, uvby98 100212698 AB, CCDM J22266-1644A, GJ 859 A, PPM 240280.
Database references
SIMBAD data

53 Aquarii is the nearest, double star in the constellation Aquarius. Its apparent magnitude is 5.55. It is approximately 65.49 light years from Earth.

[edit] Components

NAME Right ascension Declination Apparent magnitude (V) Spectral type Database references
53 Aquarii B (CCDM J22266-1644AB) 22h 26m 33.4s -16° 44' 32 5.5 G0 Simbad
53 Aquarii C (LTT 9025) 22h 26m 34.2s -16° 44' 29.0 6.57 G5Vfe-08H-1 Simbad
53 Aquarii D (CCDM J22266-1644CD) 22h 26m 32.1s -16° 43' 42 12.5 Simbad

[edit] Reference

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