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Detailed Architecture of the L 98-59 System and Confirmation of a Fifth Planet in the Habitable Zone

  • Authors: Charles Cadieux, Alexandrine L'Heureux, Caroline Piaulet-Ghorayeb, René Doyon, Étienne Artigau, Neil J. Cook, Louis-Philippe Coulombe, Pierre-Alexis Roy, David Lafrenière, Pierrot Lamontagne, Michael Radica, Björn Benneke, Eva-Maria Ahrer, Drew Weisserman, Ryan Cloutier

Charles Cadieux et al 2025 The Astronomical Journal 170 .

  • Provider: AAS Journals

Caption: Figure A1.

Normalized PDCSAP light curve of L 98-59 from TESS between 2018 August 23 (sector 2) and 2025 April 9 (sector 90). Photometry taken during the transit of L 98-59 b, c, and d is highlighted in green, purple, and red, respectively. The black line is the median GP model of the out-of-transit light curve (details in Section 3.1). The GP amplitude (σphot) and coherence timescale (τ) are indicated for each sector. Our GP models were compatible with a baseline flux f0 = 1 and no additional jitter (σjitter = 0 ppm) for all sectors.

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