HD 129456
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| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Centaurus[1] |
| Right ascension | Template:RA[2] |
| Declination | Template:DEC[2] |
| Apparent magnitude (V) | +4.06[3] |
| Characteristics | |
| Evolutionary stage | red giant branch[4] |
| Spectral type | K3III[3] |
| U−B Template:Engvar | +1.53 |
| B−V Template:Engvar | +1.356[3] |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | −38 km/s |
| Proper motion (μ) | RA: Script error: No such module "val".[2] mas/yr Dec.: Script error: No such module "val".[2] mas/yr |
| Parallax (π) | 15.57±0.16 mas[2] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | −0.20[3] |
| Details | |
| Mass | 1.23[5] Template:Solar mass |
| Radius | 25[6] Template:Solar radius |
| Luminosity | 174[5] Template:Solar luminosity |
| Surface gravity (log g) | 1.86[7] cgs |
| Temperature | 4,240[5] K |
| Metallicity [Fe/H] | −0.20[5] dex |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| HR 5485, HD 129456, CD−34°9868, FK5 544, HIP 72010, SAO 205871, GC 19820[8] | |
| Database references | |
| SIMBAD | data |
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HD 129456, also known by its Bayer designation c1 Centauri (c1 Cen), is a star in the constellation Centaurus. c¹ Centauri is an orange K-type giant with an apparent magnitude of +4.06. It is approximately 209 light years from Earth.
References
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- ↑ Template:Cite constellation
- ↑ a b c d e Template:R:Van Leeuwen 2007 Validation of the new Hipparcos reduction Vizier catalog entry
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- ↑ Template:Cite simbad
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