YSES 2 b explained

Extrasolarplanet:yes
Apsis:astron
Discovery Ref:[1]
YSES 2 b
Discovered:2021
Discovery Method:Imaging
Alt Names:TYC 8984-2245-1 b, 2MASS J11275535-6626046 b
Semimajor:114 AU
Period:1176.5 y[2]

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.

Its year is 1176.5 Earth years, and its semi-major axis is 114 AU. Its mass is 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]

Notes and References

  1. Web site: The Extrasolar Planet Encyclopaedia — YSES 2 b. Extrasolar Planets Encyclopaedia. 2021-06-05.
  2. Web site: Exoplanet-catalog. 2021-06-22. Exoplanet Exploration: Planets Beyond our Solar System.
  3. Web site: 2021-05-11. Astronomers photograph giant exoplanet in unusual large orbit. 2021-06-22. earthsky.org. en-US.
  4. Web site: Giant planet at large distance from sun-like star puzzles astronomers - Astronomie.nl. 2021-07-17. www.astronomie.nl. nl.