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−B color index | +1.58 |
B−V color 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 | |
Database references | |
SIMBAD | data |
HD 111915 is a single[6] star in the southern constellation of Centaurus. It has the Bayer designation e Centauri, while HD 111915 is the star's identifier in the Henry Draper Catalogue. This is an aging giant star with a stellar classification of K3-4III.[3] It is faintly visible to the naked eye with an apparent visual magnitude of +4.33.[2] The distance to this star is approximately 294 light years based on parallax.[1]