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Searching for Extragalactic Exoplanets: A Survey of the Sagittarius Dwarf Galaxy Stream with TESS

  • Authors: William Schap, Jason Dittmann, Elizabeth Lada

William Schap et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 7.

Injection recovery rates for 2481 targets from our survey of 15,176 stars in the Sagittarius dwarf galaxy stream. For each star we performed 10,000 recovery tests, where each injection included a planet with parameters that were drawn from uniform random samples of radii between 1RJup and 2RJup and orbital periods less than 10 days. Each box represents a bin of 2 days on the X-axis and 0.25RJup on the Y-axis. The center of each box is labeled with the percent of signals recovered from within that bin calculated as (total successful recoveries/total injections) × 100. The overall color gradient reflects the recovery percentage value.

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