25 Aquarii

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25 Aquarii
Observation data
Epoch J2000
Constellation
(pronunciation)		 Aquarius
Right ascension 21h 39m 33.2658s
Declination +02° 14′ 36.81″
Apparent magnitude (V) 5.106
Characteristics
Spectral type K0III
U-B color index 0.9
B-V color index 1.04
Astrometry
Radial velocity (Rv) -34.7 km/s
Proper motion (μ) RA: -32.70 mas/yr
Dec.: -84.17 mas/yr
Parallax (π) 13.55 ± 0.88 mas
Distance 240 ± 20 ly
(74 ± 5 pc)
Absolute magnitude (MV) 6.135
Details
Mass ? M☉
Radius ? R☉
Luminosity ? L☉
Temperature ? K
Metallicity ?
Rotation ?
Age ? years
Visual binary orbit
Companion 25 Aquarii B
Semimajor axis (a) 132.6"
Inclination (i) 45°
Other designations
d Aqr, GC 30315, HR 8277, 25 Aqr, GCRV 13601, IDS 21345+0147 A, TYC 547-1047-1, AG+02° 2761, UBV M 25847, BD+01° 4517, GSC 00547-01047, PLX 5221, UBV 18600, CCDM J21396+0215A, HD 206067, PPM 172073, YZ 2 7565, CSI+01° 4517 1, HIC 106944, ROT 3146, FK5 3729, HIP 106944, SAO 126965.
Database references
SIMBAD data

25 Aquarii is a star in the constellation Aquarius. Its apparent magnitude is 5.10.

[edit] Components

NAME Right ascension Declination Apparent magnitude (V) Database references
25 Aquarii B (BD+01 4517B) 21h 39m 39.6s +02° 16' 12 11.6 Simbad

[edit] Reference

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