HD 40307 c
Astronomical discovery
HD 40307 c is an extrasolar planet orbiting the star HD 40307, located 42 light-years away in the direction of the southern constellation Pictor. The planet was discovered by the radial velocity method, using the HARPS apparatus, in June 2008. Wikipedia
Discovered: June 16, 2008
Apparent magnitude (V): 7.17
Discovery site: La Silla Observatory
Eccentricity: 0.0500.13
Orbital period (sidereal): 9.61849.61359.6234 d