HD 10180, also designated 2MASS J01375356-6030414, is a Sun-like star in the southern constellation Hydrus that is notable for its large planetary system.

Oct 25, 2024 · HD 10180 g is a Neptune-like exoplanet that orbits a G-type star. Its mass is 21.4 Earths, it takes 1.7 years to complete one orbit of its star, and is 1.427 AU from its star. Its discovery was announced in 2010.

Oct 25, 2024 · The large crescent is the third world in the system (HD 10180d), which is comparable to the planet Neptune in mass. The two inner planets appear as silhouettes in transit across the bright disc of the star.

Aug 24, 2010 · Astronomers using the European Southern Observatory’s (ESO) High Accuracy Radial velocity Planet Searcher (HARPS) instrument have discovered a planetary system containing at least five planets,...

Aug 26, 2010 · Astronomers using ESO’s world-leading HARPS instrument have discovered a planetary system containing at least five planets, orbiting the Sun-like star HD 10180. The researchers also have tantalizing evidence that two other planets may be present, one of which would have the lowest mass ever found.

Up to seven planets orbiting HD 10180: probing the architecture of low-mass planetary systems. Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes. Structure and Evolution of Nearby Stars with Planets. II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog.

Sensitive measurements, though, have now uncovered a slight but complex wobble of the Sun-like star HD 10180 indicating that it has at least five planets and possibly more, making it the richest extra-solar planetary system yet known.

Yellow star HD 10180 is located 127 light years away from the Sun. It is a single star of spectral class G1V, that has 106 % of solar mass. There are multiple known exoplanets in this system.

Oct 24, 2024 · HD 10180 h is a gas giant exoplanet that orbits a G-type star. Its mass is 0.203 Jupiters, it takes 6 years to complete one orbit of its star, and is 3.381 AU from its star. Its discovery was announced in 2010.

Aug 24, 2010 · At least five extrasolar planets, and possibly two more, orbit the sunlike star HD 10180 some 125 light-years away, according to a new study that has been submitted to the journal Astronomy ...