1 Aquarii
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Observation data Equinox J2000.0 (ICRS) |
|
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Constellation | Aquarius |
Right ascension | 20h 39m 24.892s/21.8s/27.1s |
Declination | +00° 29′ 11.20″/ +00° 28′ 27″/ +00° 30′ 09″ |
Apparent magnitude (V) | 5.4/11.5/11.3 |
Characteristics | |
Spectral type | A: K1 III |
U-B color index | 0.97 |
B-V color index | 1.06 |
Variable type | none |
Astrometry (1 Aqr A) | |
Parallax (π) | 13.33±0.88 mas |
Distance | 245±16 ly 75±5 pc |
Other designations | |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
1 Aquarii, also known as 1 Aqr, is a multiple star in the constellation Aquarius. 1 Aqr A is a K-class giant. Its companions, B and C, are optical and have no physical relation to 1 Aqr A. 1 Aquarii is known to be an infrared source.