Qatar-4b
Qatar-4b is a hot Jupiter orbiting the star Qatar-4 located in Andromeda constellation.[2] It orbits its star every 1.8 days. It was discovered in 2016 by the Qatar Exoplanet Survey (QES).[3][1]
| Discovery[1] | |
|---|---|
| Discovered by | Alsubai et al. 2019 |
| Transit | |
| Orbital characteristics | |
| 0.02803 ± 0.00048 au[1] | |
| Eccentricity | 0[1] |
| 1.8053564 d[1] | |
| Inclination | 87.5 ± 1.6°[1] |
| Semi-amplitude | 957±16 m/s[1] |
| Physical characteristics | |
Mean radius | 1.135 ± 0.11 RJ[1] |
| Mass | 5.36 ± 0.20 MJ[1] |
Mean density | 4.50 ± 1.00 g cm−3[1] |
| Temperature | 1385 ± 50 K[1] |
References
- Alsubai, Khalid; et al. (2017). "Qatar Exoplanet Survey: Qatar-3b, Qatar-4b, and Qatar-5b". The Astronomical Journal. 153 (4). 200. arXiv:1606.06882. Bibcode:2017AJ....153..200A. doi:10.3847/1538-3881/aa6340. S2CID 119214858.
- "Qatar-4". Universe Guide. Retrieved 2019-12-27.
- http://phys.org/news/2016-06-astronomers-qatar-exoplanets.html
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