HD 108541
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Centaurus |
| Right ascension | 12h 28m 22.46490s |
| Declination | −39° 02′ 28.2168″ |
| Apparent magnitude (V) | 5.448 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | B8/9V |
| B−V color index | −0.08 |
| Astrometry | |
| Radial velocity (Rv) | 5.00 km/s |
| Proper motion (μ) | RA: −28.01 mas/yr Dec.: −13.76 mas/yr |
| Parallax (π) | 7.47±0.28 mas |
| Distance | 440 ± 20 ly (134 ± 5 pc) |
| Absolute magnitude (MV) | −-0.18 |
| Details | |
| Mass | 3.1 M☉ |
| Radius | 3.6 R☉ |
| Luminosity | 150 L☉ |
| Surface gravity (log g) | 3.77 cgs |
| Temperature | 10,691 K |
| Rotational velocity (v sin i) | 191 km/s |
| Age | 253 Myr |
| Other designations | |
| u Cen, CD−34°7753, HD 108541, HIP 60855, SAO 203508, HR 4748, GC 17001 | |
| Database references | |
| SIMBAD | data |
HD 108541, also known by its Bayer designation u Centauri is a star located in the constellation Centaurus, It is also known as HR 4748. The apparent magnitude of the star is about 5.4, meaning it is only visible to the naked eye under excellent viewing conditions. Its distance is about 440 light-years (140 parsecs), based on its parallax measured by the Hipparcos astrometry satellite.
The spectral type of HD 108541 is B8/9V, meaning it is a late B-type main sequence star. These types of stars are a few times more massive than the Sun, and have effective temperatures of about 10,000 to 30,000 K. HD 108541 is just over 3 times more massive than the Sun and has a temperature of about 11,000 K.