WASP-11, also designated HAT-P-10, is a binary star system. The primary star is a main-sequence orange dwarf star. The secondary is an M dwarf with a projected separation of 42 AU. The system is located about 424 light-years away in the constellation Aries.
Planetary system A hot Jupiter with half Jupiter's mass, WASP-11b (or HAT-P-10b), was detected around the primary star independently by the Hungarian Automated Telescope Network and the Wide Angle Search for Planets teams, both of which used the transit method.
References
External links "WASP-11/HAT-P-10". Exoplanets. Archived from the original on 2012-04-01. Retrieved 2009-05-06.