Addison, B C; Tinney, C. G.; Wright, D. J.; Bayliss, Daniel
We have measured the alignment between the orbit of HATS-3b (a recently discovered, slightly inflated Hot Jupiter) and the spin axis of its host star. Data were obtained using the CYCLOPS2 optical-fiber bundle and its simultaneous calibration system feeding the UCLES spectrograph on the Anglo-Australian Telescope. The sky-projected spin-orbit angle of λ = 3° ± 25°was determined from spectroscopic measurements of the Rossiter-McLaughlin effect. This is the first exoplanet discovered through the...[Show more]
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