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TESS Discovery of Twin Planets near 2:1 Resonance around Early M Dwarf TOI 4342

  • Authors: Evan Tey, Chelsea X. Huang, Michelle Kunimoto, Andrew Vanderburg, Avi Shporer, Samuel N. Quinn, George Zhou, Karen A. Collins, Kevin I. Collins, Eric L. N. Jensen, Richard P. Schwarz, Ramotholo Sefako, Tianjun Gan, Elise Furlan, Crystal L. Gnilka, Steve B. Howell, Kathryn V. Lester, Carl Ziegler, César Briceño, Nicholas Law, Andrew W. Mann, George R. Ricker, Roland K. Vanderspek, David W. Latham, S. Seager, Jon M. Jenkins, Joshua N. Winn, Douglas A. Caldwell, David Charbonneau, Christopher J. Burke, Zahra Essack

Evan Tey et al 2023 The Astronomical Journal 165 .

  • Provider: AAS Journals

Caption: Figure 9.

Observed minus calculated transit times for all observed transits across TESS and SG1 data. Observed transit times were modeled with exoplanet's TTVOrbit (Section 4.3) and the expected transit times were linearly propagated from the best-fit ephemerides (Section 3.2.1). Based on the current data, we see no evidence for significant deviations from expected transit times. With expected TTV amplitudes of only ∼5 minutes, future observations could help could pinpoint TTV amplitudes.

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