(1 February 2021). "Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides". The Planetary Science Journal2 (1): 1. DOI:10.3847/psj/abd022.
(11 April 2018). "Early 2017 observations of TRAPPIST-1 with Spitzer". Monthly Notices of the Royal Astronomical Society475 (3): 3577–3597. DOI:10.1093/mnras/sty051.
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{{Information |description ={{en|1=TRAPPIST-1 system with sizes and distances to scale.}} |date = |source ={{own}} |author =User:Cmglee }} Category:Exoplanets