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 | |
|---|---|
| Discovered by | Corot mission |
| Discovery site | Earth's orbit |
| Discovery date | 2008 |
| Transit method | |
| Orbital characteristics | |
| 0.090 ± 0.001 AU (13,460,000 ± 150,000 km)[1] | |
| Eccentricity | 0.0 ± 0.1[1] |
| 9.20205 ± 0.00037[1] d | |
| Inclination | 90[2] |
| Semi-amplitude | 63 ± 6[1] |
| Star | CoRoT-4 |
| Physical characteristics | |
| 1.17+0.06 −0.05[1] RJ | |
| Mass | 0.72 ± 0.08[1] MJ |
Mean density | 0.525 ± 0.015 g/cm3[1] |
| Temperature | 1074 ± 19 K[1] |
References
edit- ^ a b c d e f g h Moutou, C.; et al. (2008). "Transiting exoplanets from the CoRoT space mission. V. CoRoT-Exo-4b: stellar and planetary parameters". Astronomy and Astrophysics. 488 (2): L47–L50. arXiv:0807.3739. Bibcode:2008A&A...488L..47M. doi:10.1051/0004-6361:200810273. S2CID 118658022.
- ^ a b S. Aigrain; et al. (2008). "Transiting exoplanets from the CoRoT space mission IV. CoRoT-Exo-4b: a transiting planet in a 9.2 day synchronous orbit". Astronomy and Astrophysics. 488 (2): L43–L46. arXiv:0807.3767. Bibcode:2008A&A...488L..43A. doi:10.1051/0004-6361:200810246. S2CID 115916135.
- ^ Schneider, J. (2009-03-10). "Change in CoRoT planets names". Exoplanets (Mailing list). Archived from the original on 2010-01-18. Retrieved 2009-03-19.
External links
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Media related to CoRoT-4b at Wikimedia Commons
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