Space Sciences

Jupiter-like planets might be common in a low-density environment

R. Gratton, D. Mesa, et al.

Exciting new findings suggest that Jupiter-like planets around solar-type stars may be more common than we ever thought! Research conducted by Raffaele Gratton, Dino Mesa, Mariangela Bonavita, Alice Zurlo, Sebastian Marino, Pierre Kervella, Silvano Desidera, Valentina D’Orazi, and Elisabetta Rigliaco reveals a promising frequency within the β Pic Moving Group. Prepare for future Gaia data to confirm these groundbreaking predictions!... show more

Abstract

Radial velocity surveys suggest Jupiter-like planets (≥1 MJup at 3–12 au) are relatively uncommon (<20%) around solar-type stars. In contrast, the nearby, young β Pictoris Moving Group (BPMG) has yielded multiple massive Jupiter-like planets via direct imaging and additional candidates via Gaia astrometry. Analyzing 30 BPMG stars (M > 0.8 M☉), we find that 20 could stably host a Jupiter-like planet. Accounting for observational incompleteness and the orbital sampling limitations of high-contrast imaging (HCI), we infer that Jupiter-like planets may be far more common in this low-density environment than suggested by field-star RV surveys. Upcoming Gaia data releases are expected to test and likely confirm this prediction.

Publisher

Nature Communications

Published On

Oct 17, 2023

Authors

Raffaele Gratton, Dino Mesa, Mariangela Bonavita, Alice Zurlo, Sebastian Marino, Pierre Kervella, Silvano Desidera, Valentina D’Orazi, Elisabetta Rigliaco

DOI

https://doi.org/10.1038/s41467-023-41665-0

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