Oct 25, 2024 · HD 40307 g is a Neptune-like exoplanet that orbits a K-type star. Its mass is 7.1 Earths, it takes 197.8 days to complete one orbit of its star, and is 0.6 AU from its star. Its discovery was announced in 2013.

HD 40307 g is an exoplanet candidate suspected to be orbiting in the habitable zone of HD 40307. It is located 42 light-years away in the direction of the southern constellation Pictor.

HD 40307 is an orange (K-type) main-sequence star located approximately 42 light-years away in the constellation of Pictor (the Easel), taking its primary name from its Henry Draper Catalogue designation. It is calculated to be slightly less massive than the Sun.

A dynamical study on the habitability of terrestrial exoplanets - II The super-Earth HD 40307 g Brasser et al. 2014 | Reference Overview All WISE Data Release

Nov 8, 2012 · HD 40307 is a quiet K-type dwarf star, a bit smaller and cooler than the Sun, which appears in Earth's southern skies to reside about eight degrees SSE of Canopus, the brightest star in the...

Nov 8, 2012 · The newfound exoplanet, a so-called "super-Earth" called HD 40307g, is located inside its host star's habitable zone, a just-right range of distances where liquid water may exist on a world's...

Oct 25, 2024 · Twice as big in volume as the Earth, HD 40307 g straddles the line between "Super-Earth" and "mini-Neptune" and scientists aren't sure if it has a rocky surface or one that's buried beneath thick layers of gas and ice.

Nov 8, 2012 · The super-Earth exoplanet HD 40307g, 44 light-years away, is seven times the Earth's mass and may have liquid water on its surface, making it a candidate to support alien life.

Nov 8, 2012 · The outermost planet of the six is the one to watch. HD 40307’s habitable zone lies between 0.43 and 0.85 AU. With an orbital semi-major axis of 0.60 AU, candidate planet HD 40307 g is in the sweet spot, receiving about 62 percent of …

Exoplanète HD 40307 g orbites étoiles HD 40307, qui a une masse inférieure à soleil. Ce est la une des 6 exoplanètes connues en orbite autour de cette étoile. Comparaison avec les planètes du système solaire, HD 40307 g a 49 % de masse de Uranus and it orbite autour de son étoile un peu plus près que Venus. Habitable zone of the star: 0.6 - 0.8 AU.