CoRoT-4b (formerly known as CoRoT-Exo-4b[3]) is an extrasolar planet orbiting the star CoRoT-4. It is probably in synchronous orbit with stellar rotation.[2] It was discovered by the French CoRoT mission in 2008.
![]() Size comparison of CoRoT-4b with Jupiter. | |
Discovery | |
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Discovered by | Corot mission |
Discovery site | Earth's orbit |
Discovery date | 2008 |
Detection method | Transit method |
Orbital characteristics | |
Semi-major axis | 0.090 ± 0.001 AU (13,460,000 ± 150,000 km)[1] |
Eccentricity | 0.0 ± 0.1[1] |
Orbital period (sidereal) | 9.20205 ± 0.00037[1] d |
Inclination | 90[2] |
Semi-amplitude | 63 ± 6[1] |
Star | CoRoT-4 |
Physical characteristics | |
Mean radius | 1.17+0.06 −0.05[1] RJ |
Mass | 0.72 ± 0.08[1] MJ |
Mean density | 525 ± 15 kg/m3 (885 ± 25 lb/cu yd)[1] |
Temperature | 1074 ± 19[1] |
Media related to CoRoT-4b at Wikimedia Commons