HD 221148
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius[1] |
| Right ascension | Template:RA[2] |
| Declination | Template:DEC[2] |
| Apparent magnitude (V) | 6.26[3] |
| Characteristics | |
| Spectral type | K3IIIv[4] |
| U−B Template:Engvar | +1.20[3] |
| B−V Template:Engvar | +1.10[3] |
| Astrometry | |
| Radial velocity (Rv) | Script error: No such module "val".[4] km/s |
| Proper motion (μ) | RA: +181.03[2] mas/yr Dec.: −232.23[2] mas/yr |
| Parallax (π) | 21.14±0.56 mas[2] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | +2.89[1] |
| Details | |
| Radius | 5[4] Template:Solar radius |
| Luminosity | 8.9[4] Template:Solar luminosity |
| Surface gravity (log g) | 3.1[4] cgs |
| Temperature | 4,592[4] K |
| Metallicity [Fe/H] | +0.11[4] dex |
| Rotational velocity (v sin i) | 2.2[4] km/s |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| BD−05°5999, FK5 3881, HD 221148, HIP 115953, HR 8924, LTT 9560, SAO 146736 | |
| Database references | |
| SIMBAD | data |
Script error: No such module "Check for unknown parameters".
HD 221148 is suspected variable star in the equatorial constellation of Aquarius. The spectrum of the star shows exceptionally strong levels of CN; one of the highest cyanogen indices measured.[5]
References
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External links
- HR 8924 Catalog
- Image HD 221148