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Characterization of the Compact Multiplanet System TOI-789: Validation of Three Terrestrial Planets, Dynamical Characterization, and Detection of a Fourth Temperate Candidate

  • Authors: Juan F. Pagés Navarrete

Juan F. Pagés Navarrete 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 5.

Archival imaging from the Digitized Sky Survey (DSS2 Blue ∼1984, Red ∼1992, and NIR ∼1997), used as a proper-motion check. In each panel, the blue circle marks the stellar position at the plate epoch and the green circle the current (2016) position; the large proper motion (∼196 mas yr−1) has displaced the star appreciably over the baseline. No background source is seen at the present-day position, excluding a chance-aligned background eclipsing binary as the origin of the signals.

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