Can planetary rings explain the extremely low density of HIP 41378f?

26 Feb 2020 Akinsanmi B. Santos N. C. Faria J. P. Oshagh M. Barros S. C. C. Santerne A. Charnoz S.

The presence of rings around a transiting planet can cause its radius to be overestimated and lead to an underestimation of its density if the mass is known. We employ a Bayesian framework to show that the anomalously low density ($\sim$0.09 g cm${^{-3}}$) of the transiting long-period planet HIP$\,$41378$\,f$ might be due to the presence of opaque circum-planetary rings... (read more)

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