M51 ULS 1B

M51 ULS 1B

M51 ULS 1B is the first candidate exoplanet found outside the milky way, it is proposed to be a Saturn-like planet orbiting a yellow dwarf.[1][2] M51 ULS 1 system is a X-Ray binary system with a neutron star taking gas and matter from the yellow dwarf star. It was found in Messier 51 galaxy, also known was the wirlpool galaxy, about 28 million light years from our solar system.[1] Its main star has an accretion disk around it, the disk is made out of gas like hydrogen and helium. This planet, along with its star, has an unknown age for now.

Features

The neutron star is likely to be a pulsar.

the planet is a saturn like planet.

it is the same size as Uranus or Saturn.

Location

Right ascension:13h 29m 43.30s

Declination:+47° 11' 34.7"

distance:7.22 kpc (23.5 million light years)

M51 ULS 1B Media

References

  1. 1.0 1.1 "First Evidence of a Planet Identified Beyond Our Galaxy - NASA Science". 2021-10-25. Retrieved 2025-04-24.
  2. Di Stefano, R. (18 Sep 2020). "M51-ULS-1b: The First Candidate for a Planet in an External Galaxy". arXiv. arXiv:2009.08987.