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ExoEcho: Exoplanet Ephemerides Change Observations. III. A JWST Survey for Transit Timing Variations of 37 Exoplanets

Authors: Yunke Wu, Zixin Zhang, Xinyue Ma, Wenqin Wang, Siqi Guo, Cong Yu, Shangfei Liu, Dichang Chen, Bo Ma

Yunke Wu et al 2026 The Astrophysical Journal Supplement Series 287 .

Caption: Figure 19.

O − C diagram for WASP-121 b using our own data. The gray dashed line marks the best-fit linear ephemeris, and data points are color coded by source.