HD 4313 b
HD 4313 b is an extrasolar planet orbiting the K-type star HD 4313 approximately 447 light years away in the constellation Pisces. This planet was discovered using the Doppler spectroscopy (radial velocity) method.
An artist's impression of HD 4313 b orbiting its parent star. | |
| Discovery | |
|---|---|
| Discovered by | Johnson et al. |
| Discovery site | Keck Observatory |
| Discovery date | 2010-03-17 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 1.157±0.097 AU | |
| Eccentricity | 0.147±0.047 |
| 356.21±0.88 d | |
| 2454816±12 JD | |
| 102±13 º | |
| Semi-amplitude | 40.3±1.7 m/s |
| Star | HD 4313 |
| Physical characteristics | |
Mean radius | ~1.2 RJ |
| Mass | ≥1.927±0.090 MJ |
| 69.25 m/s2 | |
| Temperature | 479.9 K (206.8 °C; 404.1 °F) |
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