Astronomy:YSES 2 b
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Short description: Exoplanet orbiting YSES 2
 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 | |
| Orbital period | 1176.5 y[2] |
| Physical characteristics[1] | |
| Mass | 6.3+1.6 −0.9 MJ |
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]
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
- ↑ 1.0 1.1 1.2 "The Extrasolar Planet Encyclopaedia — YSES 2 b". Extrasolar Planets Encyclopaedia. https://exoplanet.eu/catalog/yses_2_b--7830/.
- ↑ 2.0 2.1 "Exoplanet-catalog". https://exoplanets.nasa.gov/exoplanet-catalog/7867/yses-2-b/.
- ↑ 3.0 3.1 "Astronomers photograph giant exoplanet in unusual large orbit" (in en-US). 2021-05-11. https://earthsky.org/space/giant-exoplanet-yses-2b-imaged-huge-orbit-sunlike-star/.
- ↑ "Giant planet at large distance from sun-like star puzzles astronomers - Astronomie.nl" (in nl). https://www.astronomie.nl/nieuws/en/giant-planet-at-large-distance-from-sun-like-star-puzzles-astronomers-2763.
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