HAT-P-11: Discovery of a Second Planet and a Clue to Understanding Exoplanet Obliquities

Samuel W. Yee, Erik A. Petigura, Benjamin J. Fulton +10

HAT-P-11 is a mid-K dwarf that hosts one of the first Neptune-sized planets found outside the solar system. The orbit of HAT-P-11b is misaligned with the star's spin --- one of the…