HD 149143 b, formally named Riosar,
is an
extrasolar planet that has a
minimum mass of 1.33
Jupiter masses. As is typical for a lot of
hot Jupiters, its
orbital eccentricity
In astrodynamics, the orbital eccentricity of an astronomical object is a dimensionless parameter that determines the amount by which its orbit around another body deviates from a perfect circle. A value of 0 is a circular orbit, values betwee ...
is low.
Naming Project
The star
HD 149143
HD 149143, formally named Rosalíadecastro, is a star located in the Ophiuchus constellation that has spectral type of G0 located at a distance of 240 light-years from us. Its apparent magnitude is 7.9 (a binocular object) and the absolute ...
and its orbiting planet HD 149143 b have been assigned to be named by Spain in 2019's IAU100
NameExoWorlds project.
On December 17, 2019, by majority vote in the Spanish Astronomical Association, HD 149143 was given the name Rosalíadecastro in honour of the Spanish poet
Rosalía de Castro, who was a significant figure of Galician culture and prominent Spanish writer, whose pioneering work often referenced the night and celestial objects. The planet that orbits it, HD 149143 b, was assigned the name Riosar in honour of the
Sar River that was present in much of the literary work of the Spanish author Rosalía de Castro.
References
External links
*
NASA: Exoplanet Exploration: HD 149143 b
Hot Jupiters
Exoplanets discovered in 2005
Giant planets
Ophiuchus
Exoplanets detected by radial velocity
Exoplanets with proper names
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