Psi3 Aquarii
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For other stars named Psi Aqr, see Psi Aquarii
Observation data Epoch J2000 |
|
---|---|
Constellation (pronunciation) |
Andromeda |
Right ascension | 23h 18m 57.6767s |
Declination | -09° 36′ 38.7″ |
Apparent magnitude (V) | 5.001 |
Characteristics | |
Spectral type | A0V |
U-B color index | -0.02 |
B-V color index | -0.02 |
Astrometry | |
Radial velocity (Rv) | -10 km/s |
Proper motion (μ) | RA: 43.47 mas/yr Dec.: -7.80 mas/yr |
Parallax (π) | 13.1 ± 1.0 mas |
Distance | 250 ± 20 ly (76 ± 6 pc) |
Absolute magnitude (MV) | 4.983 |
Details | |
Mass | ? M☉ |
Radius | ? R☉ |
Luminosity | ? L☉ |
Temperature | ? K |
Metallicity | ? |
Rotation | ? |
Age | ? years |
Visual binary orbit | |
Companion | ψ³ Aquarii B |
Semimajor axis (a) | 1.4" |
Inclination (i) | 167° |
Visual binary orbit | |
Companion | ψ³ Aquarii C |
Semimajor axis (a) | 131.2" |
Inclination (i) | 231° |
Other designations | |
Database references | |
SIMBAD | data |
Psi-3 Aquarii is a binary star approximately 249 light years from Earth. The primary component, ψ³ Aquarii A, is a white A-type main sequence dwarf with an apparent magnitude of +4.99. Its companion, ψ³ Aquarii B, is an 11th magnitude star 1.5 arcseconds from the primary.
[edit] Components
NAME | Right ascension | Declination | Apparent magnitude (V) | Database references |
---|---|---|---|---|
ψ³ Aquarii B | ||||
ψ³ Aquarii C (BD-10 6094C) | 23h 18m 50.8s | -09° 38' 00 | 13.3 | Simbad |