Confirmation of a dynamical model for the TRAPPIST-1 exoplanetary system

Date
2021-09-29
Authors
Tamburo, Patrick
Muirhead, Philip S.
Agol, Eric
Hart, Murdock
Thakar, Bhargavi
Version
Published version
OA Version
Citation
P. Tamburo, P.S. Muirhead, E. Agol, M. Hart, B. Thakar. 2021. "Confirmation of a Dynamical Model for the TRAPPIST-1 Exoplanetary System." Research Notes of the AAS, Volume 5, Issue 9, pp. 219 - 219. https://doi.org/10.3847/2515-5172/ac2a4a
Abstract
We present a new transit of TRAPPIST-1 d from 2021 August 25. The measured mid-point of this transit agrees with the prediction from a recently published dynamical model for the TRAPPIST-1 system and differs significantly from a naive prediction from a simple linear ephemeris. This difference underlines the importance for using dynamical models to predict future transit times in the TRAPPIST-1 system.
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