Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Andromeda |
Right ascension | 23h 47m 33.04919s[1] |
Declination | +46° 49′ 57.2217″[1] |
Apparent magnitude (V) | 6.07[2] |
Characteristics | |
Spectral type | B3IV[3] |
U−Bcolor index | −0.66[2] |
B−Vcolor index | −0.14[2] |
Astrometry | |
Radial velocity (Rv) | −9.3±2.2[4] km/s |
Proper motion (μ) | RA: 0.708±0.059[1]mas/yr Dec.: −5.845±0.050[1]mas/yr |
Parallax (π) | 1.9698±0.0761 mas[1] |
Distance | 1,660 ± 60 ly (510 ± 20 pc) |
Details | |
Mass | 6.31±0.49[5] M☉ |
Luminosity (bolometric) | 1,762[5] L☉ |
Temperature | 17,900[5] K |
Rotational velocity (v sin i) | 30[6] km/s |
Age | 36.8±3.0[7] Myr |
Other designations | |
BD+46° 416,HD 223229,HIP 117340,HR 9011,SAO 53374. | |
Database references | |
SIMBAD | data |
HD 223229 is a suspectedvariable star in the northernconstellation ofAndromeda. It is adouble star consisting of a magnitude 6.11 primary and a magnitude 8.73 companion. The pair have anangular separation of 0.80″ along aposition angle of 250°, as of 2009.[8] The primary is a B-typesubgiant star with astellar classification of B3IV.[3] It has an estimated 6.3 times the mass of the Sun, with aneffective temperature of 17,900 K.[5]
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