4 Centauri
From Wikipedia, the free encyclopedia
| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Centaurus |
| Right ascension | 13h53m12.5s |
| Declination | −31°55′40″ |
| Apparent magnitude (V) | +4.75 |
| Characteristics | |
| Spectral type | B4IV |
| U-B color index | −0.54 |
| B-V color index | −0.14 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | +5 km/s |
| Proper motion (μ) | RA: −13.53 mas/yr Dec.: −10.74 mas/yr |
| Parallax (π) | 4.87 ± 0.71 mas |
| Distance | 670 ± 98 ly (205 ± 30 pc) |
| Absolute magnitude (MV) | −1.80 |
| Other designations | |
| Database references | |
| SIMBAD | data |
4 Centauri is a star in the constellation Centaurus. It is a blue-white B-type subgiant with an apparent magnitude of +4.75 and is approximately 670 light years from Earth.
 |
This subgiant star-related article is a stub. You can help Wikipedia by expanding it. |
