Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aquarius |
Right ascension | 22h 38m 22.14533s [1] |
Declination | −07° 53′ 51.2116″ [1] |
Apparent magnitude (V) | 6.23 [2] (6.64/8.11) [3] |
Characteristics | |
Spectral type | K0III + F2 [4] |
U−B color index | +0.49 [2] |
B−V color index | +0.78 [2] |
Variable type | Suspected [5] |
Astrometry | |
Radial velocity (Rv) | −18.34±0.27 [6] km/s |
Proper motion (μ) |
RA: +74.25
[1]
mas/
yr Dec.: −0.98 [1] mas/ yr |
Parallax (π) | 8.38 ± 0.62 mas [1] |
Distance | 390 ± 30
ly (119 ± 9 pc) |
Absolute magnitude (MV) | 0.498 [6] |
Orbit [5] | |
Period (P) | 147.07±8.09 yr |
Semi-major axis (a) | 0.249±0.051″ |
Eccentricity (e) | 0.44±0.37 |
Inclination (i) | 73.6±6.2° |
Longitude of the node (Ω) | 110.3±3.3° |
Argument of periastron (ω) (secondary) | 191.9±14.7° |
Details | |
Temperature | 5,645 [7] K |
Other designations | |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
HD 214448 is a binary star system in the equatorial constellation of Aquarius. They orbit each other with a period of around 147 years. The combined mass of the pair is twice that of the Sun. [5]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aquarius |
Right ascension | 22h 38m 22.14533s [1] |
Declination | −07° 53′ 51.2116″ [1] |
Apparent magnitude (V) | 6.23 [2] (6.64/8.11) [3] |
Characteristics | |
Spectral type | K0III + F2 [4] |
U−B color index | +0.49 [2] |
B−V color index | +0.78 [2] |
Variable type | Suspected [5] |
Astrometry | |
Radial velocity (Rv) | −18.34±0.27 [6] km/s |
Proper motion (μ) |
RA: +74.25
[1]
mas/
yr Dec.: −0.98 [1] mas/ yr |
Parallax (π) | 8.38 ± 0.62 mas [1] |
Distance | 390 ± 30
ly (119 ± 9 pc) |
Absolute magnitude (MV) | 0.498 [6] |
Orbit [5] | |
Period (P) | 147.07±8.09 yr |
Semi-major axis (a) | 0.249±0.051″ |
Eccentricity (e) | 0.44±0.37 |
Inclination (i) | 73.6±6.2° |
Longitude of the node (Ω) | 110.3±3.3° |
Argument of periastron (ω) (secondary) | 191.9±14.7° |
Details | |
Temperature | 5,645 [7] K |
Other designations | |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
HD 214448 is a binary star system in the equatorial constellation of Aquarius. They orbit each other with a period of around 147 years. The combined mass of the pair is twice that of the Sun. [5]