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
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