Obliquity Constraints on an Extrasolar Planetary-Mass Companion

27 May 2020 Bryan Marta L. Chiang Eugene Bowler Brendan P. Morley Caroline V. Millholland Sarah Blunt Sarah Ashok Katelyn B. Nielsen Eric Ngo Henry Mawet Dimitri Knutson Heather A.

We place the first constraints on the obliquity of a planetary-mass companion (PMC) outside of the Solar System. Our target is the directly imaged system 2MASS J01225093-2439505 (2M0122), which consists of a 120 Myr 0.4 M_sun star hosting a 12-27 M_J companion at 50 AU... (read more)

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  • EARTH AND PLANETARY ASTROPHYSICS
  • INSTRUMENTATION AND METHODS FOR ASTROPHYSICS
  • SOLAR AND STELLAR ASTROPHYSICS