HAT-P-24b
HAT-P-24b is an extrasolar planet discovered by the HATNet Project in 2010 orbiting the F8 dwarf star HAT-P-24. It is a hot Jupiter, with a mass three quarters that of Jupiter and a radius 20% larger.[3][1]
| Discovery | |
|---|---|
| Discovered by | HATNet Project |
| Discovery date | 2010 |
| Transit | |
| Orbital characteristics | |
| 0.04651+0.00055 −0.00056 AU | |
| Eccentricity | <0.038[1] |
| 3.3552479±0.0000062[2] d | |
| Star | HAT-P-24 |
| Physical characteristics | |
Mean radius | 1.243 +0.072 −0.061 RJ |
| Mass | 0.723+0.031 −0.030[1] MJ |
Mean density | 0.467+0.089 −0.070 g cm−3 |
| 10.9 ± 1.1 m/s2 (35.8 ± 3.6 ft/s2) | |
The study in 2012, utilizing a Rossiter–McLaughlin effect, have determined the planetary orbit is probably aligned with the equatorial plane of the star, misalignment equal to 20±16°.[4]
References
- Bonomo, A. S.; et al. (2017). "The GAPS Programme with HARPS-N at TNG . XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets". Astronomy and Astrophysics. 602. A107. arXiv:1704.00373. Bibcode:2017A&A...602A.107B. doi:10.1051/0004-6361/201629882.
- Wang, Xiao-Bin; et al. (2013). "The refined physical parameters of transiting exoplanet system HAT-P-24" (PDF). Research in Astronomy and Astrophysics. 13 (5): 593–603. Bibcode:2013RAA....13..593W. doi:10.1088/1674-4527/13/5/010.
- Kipping, D. M.; et al. (2011). "HAT-P-24b: An Inflated Hot Jupiter on a 3.36 Day Period Transiting a Hot, Metal-poor Star". The Astrophysical Journal. 725 (2): 2017–2028. arXiv:1008.3389. Bibcode:2010ApJ...725.2017K. doi:10.1088/0004-637X/725/2/2017.
- Obliquities of Hot Jupiter host stars: Evidence for tidal interactions and primordial misalignments, 2012, arXiv:1206.6105
External links
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