HD 16175
HD 16175 is a 7th magnitude G-type star with temperature about 6000 K located 196 light-years (60 parsecs) away in the Andromeda constellation. This star is only visible through binoculars or better equipment; it is also 3.3 times more luminous, is 1.34 times more massive, and has a radius 1.66 times bigger than our local star.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 02h 37m 01.91118s |
| Declination | +42° 03′ 45.4685″ |
| Apparent magnitude (V) | 7.28 |
| Characteristics | |
| Spectral type | F8 IV |
| B−V color index | 0.64 |
| Astrometry | |
| Radial velocity (Rv) | 21.83±0.14 km/s |
| Proper motion (μ) | RA: −38.864 mas/yr Dec.: −41.234 mas/yr |
| Parallax (π) | 16.6670 ± 0.0279 mas |
| Distance | 195.7 ± 0.3 ly (60.0 ± 0.1 pc) |
| Absolute magnitude (MV) | 3.40 |
| Details | |
| Mass | 1.34 ± 0.01 M☉ |
| Radius | 1.66 ± 0.04 R☉ |
| Luminosity | 3.3 ± 0.01 L☉ |
| Surface gravity (log g) | 4.12 ± 0.03 cgs |
| Temperature | 6048 ± 35 K |
| Age | 3.2 ± 0.2 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
The star HD 16175 is named Buna. The name was selected in the NameExoWorlds campaign by Ethiopia, during the 100th anniversary of the IAU. Buna is the commonly used word for coffee in Ethiopia.
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