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An Updated Visual Orbit of the Directly Imaged Exoplanet 51 Eridani b and Prospects for a Dynamical Mass Measurement with Gaia

17 Feb 2020, 17:00 UTC
An Updated Visual Orbit of the Directly Imaged Exoplanet 51 Eridani b and Prospects for a Dynamical Mass Measurement with Gaia
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Robert J. De Rosa et al 2020 AJ 159 1
Four years of observations with the Gemini Planet Imager indicate that the young, directly-imaged exoplanet 51 Eridani b is on an eccentric orbit with a semimajor axis of ~11.1 AU and a period of 28 years.

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