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HD 4313 b
Extrasolar planet in the constellation Pisces / From Wikipedia, the free encyclopedia
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HD 4313 b is an extrasolar planet orbiting the K-type star HD 4313 approximately 447 light years away in the constellation Pisces.[1] This planet was discovered using the Doppler spectroscopy (radial velocity) method.
Quick Facts Discovery, Discovered by ...
![]() An artist's impression of HD 4313 b orbiting its parent star. | |
Discovery[1] | |
---|---|
Discovered by | Johnson et al. |
Discovery site | Keck Observatory |
Discovery date | 2010-03-17 |
Doppler spectroscopy | |
Orbital characteristics[2] | |
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 | |
~1.2 RJ | |
Mass | ≥1.927±0.090 MJ[2] |
69.25 m/s2 | |
Temperature | 479.9 K (206.8 °C; 404.1 °F) |
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