Alpha Horologii
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Horologium |
| Right ascension | 04h 14m 00.11445s |
| Declination | −42° 17′ 39.7232″ |
| Apparent magnitude (V) | +3.86 |
| Characteristics | |
| Spectral type | K2 III |
| Astrometry | |
| Radial velocity (Rv) | 21.60 ± 0.3 km/s |
| Proper motion (μ) |
RA: 42.02 ± 0.11 mas/yr Dec.: -203.55 ± 0.12 mas/yr |
| Parallax (π) | 28.36 ± 0.12mas |
| Distance | 115.0 ± 0.5 ly (35.3 ± 0.1 pc) |
| Absolute bolometric magnitude (Mbol) |
1.08 |
| Details | |
| Mass | 1.55 M☉ |
| Luminosity | 37.61 L☉ |
| Temperature | 5028 K K |
| Metallicity [Fe/H] | -0.02 dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
Alpha Horologii (α Hor, α Horologii) is an orange giant star in the constellation Horologium. Located 115.0 ± 0.5 light-years distant from Earth, it shines with a luminosity approximately 37.61 times that of the Sun and has a surface temperature of 5028 K.
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