Planet alf Cen B b
| Name | alf Cen B b | |
| Discovered in | 2012 | |
| Mass | 0.0036 (± 0.0003) MJ |  |
| Semi-major axis | 0.04 AU | |
| Orbital period | 3.2357 (± 0.0008) day | |
| Eccentricity | 0.0 | |
| ω | — | |
| Tperi | — | |
| Radius | — | |
| Inclination | — | |
| Update | July 25, 2014 | |
| Detection Method | Radial Velocity | |
| Mass Detection Method | — | |
| Radius Detection method | — | |
| Molecules detected | — | |
| Primary transit | — | |
| Secondary transit | — | |
| Anomaly angle | — | |
| impact Parameter b | — | |
| Time Vr=0 | — | |
| Velocity Semiamplitude K | — | |
| Calculated temperature | — | |
| Measured temperature | — | |
| Hottest point longitute | — | |
| Geometric albedo | — | |
| Surface gravity log(g/gH) | — | |
| Alternate Names | — |
Observability Predictor 
Star
| Name | alf Cen B | |
| Distance | 1.3 pc | |
| Spectral type | K1V | |
| Apparent magnitude V | 1.33 | |
| Mass | 0.934 (± 0.006) MSun | |
| Age | — | |
| Effective temperature | 5214.0 (± 33.0) K | |
| Radius | 0.863 RSun | |
| Metallicity [Fe/H] | — | |
| Detected Disc | — | |
| Magnetic Field | — | |
| RA2000 | 14:39:35.0 | |
| Dec2000 | -60:50:15 | |
| Alternate Names | — | |
| Planetary system | 1 planet |
More data
- Simbad
- Most recent references (ADS)
Related publications
Tachoastrometry: astrometry with radial velocities
2015
PASQUINI L., CORTES C., LOMBARDI M., MONACO L., LEÃO I. & DELABRE B.
Astron. & Astrophys., 574, A76
paper
An Earth-mass planet orbiting α Centauri B
2012
DUMUSQUE X., PEPE F., LOVIS Ch., SEGRANSAN D., SAHLMANN J., BENZW., BOUCHY F., MAYOR M., QUELOZ D., SANTOS N. & UDRY S.
Nature, 491, 207
paper