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A Hot Jupiter in a Nearly Polar Orbit

Published online by Cambridge University Press:  06 January 2014

Brett C. Addison ,
Chris G. Tinney ,
Duncan J. Wright ,
Daniel Bayliss ,
George Zhou ,
Joel D. Hartman ,
Gáspár Á. Bakos  and
Brian Schmidt
Brett C. Addison
Affiliation:
Exoplanetary Science Group, School of Physics, University of New South Wales, 2052, Australia Australian Centre of Astrobiology, University of New South Wales, 2052, Australia
Chris G. Tinney
Affiliation:
Exoplanetary Science Group, School of Physics, University of New South Wales, 2052, Australia Australian Centre of Astrobiology, University of New South Wales, 2052, Australia
Duncan J. Wright
Affiliation:
Exoplanetary Science Group, School of Physics, University of New South Wales, 2052, Australia Australian Centre of Astrobiology, University of New South Wales, 2052, Australia
Daniel Bayliss
Affiliation:
Research School of Astronomy and Astrophysics, Australian National University, Canberra, ACT 2611, Australia
George Zhou
Affiliation:
Research School of Astronomy and Astrophysics, Australian National University, Canberra, ACT 2611, Australia
Joel D. Hartman
Affiliation:
Department of Astrophysical Sciences, Princeton University, NJ 08544, USA Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
Gáspár Á. Bakos
Affiliation:
Department of Astrophysical Sciences, Princeton University, NJ 08544, USA Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
Brian Schmidt
Affiliation:
Research School of Astronomy and Astrophysics, Australian National University, Canberra, ACT 2611, Australia
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Abstract

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We measured the spin-orbit misalignment for WASP-79b, a transiting hot Jupiter from the WASP survey. Using the Rossiter-McLaughlin effect during the transit event, we determined the sky-projected obliquity to be λ = −106+10−8○. This result indicates that the planet is in a nearly polar orbit.

Keywords

planets and satellites: formation — stars: individual (WASP-79) — techniques: radial velocities
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S299: Exploring the Formation and Evolution of Planetary Systems , June 2013 , pp. 391 - 392
Copyright
Copyright © International Astronomical Union 2013 

References

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