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Occurrence Rates of Accreting Companions from a New Method for Computing Emission-line Survey Sensitivity: Application to the Hα Giant Accreting Protoplanet Survey

  • Authors: Cailin Plunkett, Katherine B. Follette, Gabriel-Dominique Marleau, Eric L. Nielsen

Cailin Plunkett et al 2025 The Astronomical Journal 169 .

  • Provider: AAS Journals

Caption: Figure 5.

Posteriors on the accreting object occurrence rate around stars hosting transitional disks, fp, for different subsets of the GAPlanetS detections. In all, we compare the stellar (purple) and planetary (green) accretion scaling relations. The legends give the median and 16th and 84th percentiles, also marked by filled circles. Left: posteriors on fp using the three confident detections. Center: posteriors on the rate of accreting companions inside disk gaps, excluding HD 100453 B, which lies outside the gap. Right: posteriors on the accreting protoplanet rate, excluding the low-mass stars HD 100453 B and HD 142527 B.

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