HD 222399
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Apparent magnitude (V) | 6.57[2] |
| Characteristics | |
| Spectral type | F2IV[3] |
| U−B Template:Engvar | +0.10[2] |
| B−V Template:Engvar | +0.35[2] |
| Astrometry | |
| Radial velocity (Rv) | Script error: No such module "val".[4] km/s |
| Proper motion (μ) | RA: Script error: No such module "val".[1] mas/yr Dec.: Script error: No such module "val".[1] mas/yr |
| Parallax (π) | 10.7133±0.0351 mas[1] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Details | |
| Mass | 1.77[5] Template:Solar mass |
| Radius | 1.52[6] Template:Solar radius |
| Luminosity | 17[6] Template:Solar luminosity |
| Surface gravity (log g) | 3.78[5] cgs |
| Temperature | 6,939[6] K |
| Metallicity [Fe/H] | −0.04[5] dex |
| Rotational velocity (v sin i) | 55[7] km/s |
| Age | 1.4[5] Gyr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| BD+36°5098, HD 222399, HIP 116781, HR 8973, SAO 73422 | |
| Database references | |
| SIMBAD | A |
| B | |
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HD 222399 is a double star in the northern constellation of Andromeda. The magnitude 6.57[2] primary is an F-type subgiant star with a stellar classification of F2IV.[3] It has a magnitude 10.57 companion at an angular separation of 14.7″ along a position angle of 162° (as of 2002).[8]
References
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