YSES 2 b is an exoplanet orbiting the star YSES 2 (TYC 8984-2245-1) in the constellation of Musca.[3] It was discovered through direct imaging by Bohn et al. in 2021. The planet is unusually far from its young host star.[3]
 Imaged at ESO/SPHERE/VLT by Bohn et al. | |
| Discovery[1] | |
|---|---|
| Discovery date | 2021 |
| Imaging | |
| Designations | |
| TYC 8984-2245-1 b, 2MASS J11275535-6626046 b | |
| Orbital characteristics[1] | |
| 114 AU | |
| 1176.5 y[2] | |
| Physical characteristics[1] | |
| Mass | 6.3+1.6 −0.9 MJ |
Its year is 1176.5 Earth years,[2] and its semi-major axis is 114 AU. Its mass is 6.3+1.6
−0.9 Jupiter masses, its radius is unknown, and its temperature is unknown.
YSES 2, the host star, is a young, Sun-like star. It is approximately 360 ly from Earth in Scorpius-Centaurus Association. Its age is 14 million years.[4]
References
edit- ^ a b c "The Extrasolar Planet Encyclopaedia — YSES 2 b". Extrasolar Planets Encyclopaedia. Retrieved 2021-06-05.
- ^ a b "Exoplanet-catalog". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2021-06-22.
- ^ a b "Astronomers photograph giant exoplanet in unusual large orbit". earthsky.org. 2021-05-11. Retrieved 2021-06-22.
- ^ "Giant planet at large distance from sun-like star puzzles astronomers - Astronomie.nl". www.astronomie.nl (in Dutch). Retrieved 2021-07-17.
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