| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Antlia |
| Right ascension | 10h 44m 20.9149s[1] |
| Declination | –35° 34′ 37.279″[1] |
| Apparent magnitude (V) | 8.33[1] |
| Characteristics | |
| Spectral type | K2IV-V[1] |
| B−V color index | 0.945 |
| Astrometry | |
| Radial velocity (Rv) | 41.7 ±2[1] km/s |
| Proper motion (μ) | RA: -92.84 ±1.07[1] mas/yr Dec.: -151.12 ±0.8[1] mas/yr |
| Parallax (π) | 34.60[1] ± 1.0[1] mas |
| Distance | 94.2 ly (28.9 pc) |
| Absolute magnitude (MV) | 6.03 |
| Details | |
| Mass | 0.7 ±0.04 M☉ |
| Radius | 1.03 R☉ |
| Luminosity | 0.4 L☉ |
| Temperature | 4995 K |
| Metallicity | 0.15 ±0.06 |
| Age | 6×109 years |
| Other designations | |
| Database references | |
| SIMBAD | data |
| ARICNS | data |
| Extrasolar Planets Encyclopaedia |
data |
HD 93083 is an 8th magnitude star located approximately 94 light years away in the southern constellation of Antlia. It is an orange dwarf (spectral class K2V), somewhat cooler and less luminous than our Sun.[1]
Contents |
In 2005, the discovery of a planet orbiting the star was announced. This is another discovery using the radial velocity method with the HARPS spectrograph.[2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity |
|---|---|---|---|---|
| b | 0.37 MJ | 0.477 | 143.58 ± 0.60 | 0.14 ± 0.03 |