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

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 few known cases of a misaligned planet orbiting a star less massive than the Sun. We find an additional planet in the...

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Veröffentlicht in:	The Astronomical journal 2018-06, Vol.155 (6), p.255
Hauptverfasser:	Yee, Samuel W., Petigura, Erik A., Fulton, Benjamin J., Knutson, Heather A., Batygin, Konstantin, Bakos, Gáspár Á., Hartman, Joel D., Hirsch, Lea A., Howard, Andrew W., Isaacson, Howard, Kosiarek, Molly R., Sinukoff, Evan, Weiss, Lauren M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrometry Astronomical models Astronomy ASTROPHYSICS, COSMOLOGY AND ASTRONOMY COMPUTERIZED SIMULATION DETECTION DISTANCE Eccentric orbits Extrasolar planets Jupiter MASS Neptune Obliquity ORBITS Planetary orbits planetary systems PLANETS planets and satellites: detection planets and satellites: dynamical evolution and stability Precession RADIAL VELOCITY REFLEXES RELATIVISTIC RANGE SATELLITES Solar system SPECTROMETERS STARS stars: individual (HAT-P-11) STELLAR ACTIVITY
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