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A Moderate Albedo from Reflecting Aerosols on the Dayside of WASP-80 b Revealed by JWST/NIRISS Eclipse Spectroscopy

  • Authors: Kim Morel, Louis-Philippe Coulombe, Jason F. Rowe, David Lafrenière, Loïc Albert, Étienne Artigau, Nicolas B. Cowan, Lisa Dang, Michael Radica, Jake Taylor, Caroline Piaulet-Ghorayeb, Pierre-Alexis Roy, Björn Benneke, Antoine Darveau-Bernier, Stefan Pelletier, René Doyon, Doug Johnstone, Adam B. Langeveld, Romain Allart, Laura Flagg, Jake D. Turner

Kim Morel et al 2025 The Astronomical Journal 169 .

  • Provider: AAS Journals

Caption: Figure B4.

rms of the residuals from the order 1 white-light-curve fit (black line) as a function of the bin size. The blue line shows the decrease in the rms for Poisson noise. Our residuals fall below this line, but they follow the Poisson law for bin sizes larger than ∼300 s, as shown by the red line. This can be explained by the presence of remaining correlated noise at bin sizes smaller than the frequencies that the GP removes. Pure photon noise is represented by the gray dashed line. Our noise level is ∼1.5× the photon noise.

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