HD 220466
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| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Aquarius[1] |
| Right ascension | Template:RA[2] |
| Declination | Template:DEC[2] |
| Apparent magnitude (V) | 6.50[3] |
| Characteristics | |
| Evolutionary stage | main sequence[4][2] |
| Spectral type | F3IV/V[5] |
| U−B Template:Engvar | −0.03[3] |
| B−V Template:Engvar | +0.42[3] |
| Astrometry | |
| Radial velocity (Rv) | 24.5[6] km/s |
| Proper motion (μ) | RA: −68.050[2] mas/yr Dec.: −77.697[2] mas/yr |
| Parallax (π) | 15.3570±0.0292 mas[2] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | 2.50[7] |
| Details | |
| Mass | 1.4[8] Template:Solar mass |
| Radius | 2.3[8] Template:Solar radius |
| Luminosity | 8.8[8] Template:Solar luminosity |
| Surface gravity (log g) | 3.86[8] cgs |
| Temperature | 6,580[8] K |
| Metallicity [Fe/H] | −0.18[7] dex |
| Age | 2.0[7] Gyr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| BD−22°6119, HD 220466, HIP 115522, SAO 191873 | |
| Database references | |
| SIMBAD | data |
Script error: No such module "Check for unknown parameters".
HD 220466 is an F-type main sequence star in the constellation Aquarius. It has apparent magnitude 6.5 and is about 212 light-years away.
In 1913, an apparent visual companion of apparent magnitude 10.3 was observed 1.9 arcseconds away from the star,[9] but it is doubtful whether it exists.[10]
The 17th-magnitude red dwarf UCAC4 342-200228 Script error: No such module "val". away from HD 220466 forms a common proper motion pairing.[4][11] Any orbit would take tens of thousands of years.[11]
References
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- ↑ Template:Cite constellation
- ↑ a b c d e f Template:Cite Gaia DR3
- ↑ a b c Script error: No such module "Citation/CS1".
- ↑ a b Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
- ↑ a b c Script error: No such module "Citation/CS1".
- ↑ a b c d e Script error: No such module "Citation/CS1".
- ↑ CCDM 23241-2146, database entry, Catalog of Components of Double and Multiple Stars, CDS ID I/211. Accessed on line July 22, 2008.
- ↑ 23241-2146, entry, Notes file Template:Webarchive, Washington Double Star Catalogue. Accessed on line July 22, 2008.
- ↑ a b Script error: No such module "Citation/CS1".
Script error: No such module "Check for unknown parameters".