| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Centaurus |
| Right ascension | 12h 53m 06.91s[1] |
| Declination | −48° 56′ 35.9″[1] |
| Apparent magnitude (V) | +4.33[2] |
| Characteristics | |
| Spectral type | K3-4III[3] |
| U−Bcolor index | +1.58 |
| B−Vcolor index | +1.344±0.068[2] |
| Astrometry | |
| Radial velocity (Rv) | −2.4±1.6[2] km/s |
| Proper motion (μ) | RA: -79.19 ± 0.15[1]mas/yr Dec.: -24.26 ± 0.13[1]mas/yr |
| Parallax (π) | 11.08±0.19 mas[1] |
| Distance | 294 ± 5 ly (90 ± 2 pc) |
| Absolute magnitude (MV) | −0.45[2] |
| Details | |
| Radius | 30.62+1.48 −5.77[4] R☉ |
| Luminosity | 277±13[4] L☉ |
| Temperature | 4,258+468 −100[4] K |
| Other designations | |
| e Cen,CD−48°7753,FK5 3024,GC 17473,HD 111915,HIP 62867,HR 4888,SAO 223731[5] | |
| Database references | |
| SIMBAD | data |
HD 111915 is a single[6]star in the southernconstellation ofCentaurus. It has theBayer designatione Centauri, whileHD 111915 is the star's identifier in theHenry Draper Catalogue. This is an aginggiant star with astellar classification of K3-4III.[3] It is faintly visible to the naked eye with anapparent visual magnitude of +4.33.[2] The distance to this star is approximately 294 light years based onparallax.[1]
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