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HD 129445 b is an eccentric Jupiter gas giant exoplanet orbiting the star HD 129445 which was discovered by the Magellan Planet Search Program in 2010. Its minimum mass is 1.6 times Jupiter's, and it takes 5 years to complete one orbit around HD 129445, a G-type star approximately 219 light years away. In 2023, the inclination and true mass of HD 129445 b were determined via astrometry.

References

1. ^ Arriagada, Pamela; et al. (2010). "Five Long-period Extrasolar Planets in Eccentric orbits from the Magellan Planet Search Program". The Astrophysical Journal. 711 (2): 1229–35. arXiv:1001.4093. Bibcode:2010ApJ...711.1229A. doi:10.1088/0004-637X/711/2/1229. S2CID 118682009.
2. ^ Xiao, Guang-Yao; Liu, Yu-Juan; et al. (May 2023). "The Masses of a Sample of Radial-Velocity Exoplanets with Astrometric Measurements". Research in Astronomy and Astrophysics. 23 (5): 055022. arXiv:2303.12409. Bibcode:2023RAA....23e5022X. doi:10.1088/1674-4527/accb7e.
3. "Exoplanet-catalog". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2020-01-10.
4. "HD 129445". Universe Guide. 25 January 2015. Retrieved 2020-01-10.

v t e Constellation of Circinus
List of stars in Circinus
Stars	Bayer α β γ δ ε ζ η θ Variable AX BP BX FM HR 5632 HD 129445 Other Circinus X-1 MN18 PSR B1509−58 WR 66
Exoplanets HD 129445 b
Star clusters NGC 5823
Nebulae NGC 5315
Galaxies Circinus Galaxy
Category

• Exoplanets discovered in 2010
• Exoplanets detected by radial velocity
• Giant planets
• Circinus
• Exoplanets detected by astrometry