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Updated: Jul 13, 2025

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Published on: May 10, 2020

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

Raffaele Gratton¹, Dino Mesa², Mariangela Bonavita^2,3

¹INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, Padova, I-35122, Italy. raffaele.gratton@inaf.it.

Nature Communications

|October 17, 2023

Summary

Jupiter-like planets may be more common than previously thought. Analysis of stars in the Beta Pictoris Moving Group suggests many could host stable, giant exoplanets, challenging earlier survey findings.

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Area of Science:

Exoplanetary Science
Stellar Astrophysics
Astrometry

Background:

Radial velocity surveys indicate low frequencies (<20%) of Jupiter-like planets around solar-type stars.
Young moving stellar groups are prime targets for direct exoplanet imaging.
The Beta Pictoris Moving Group (BPMG) is a nearby association with known exoplanets.

Purpose of the Study:

To investigate the frequency of Jupiter-like planets in the BPMG.
To assess the potential for stable planetary orbits around stars in the BPMG.
To re-evaluate the commonality of giant exoplanets based on new data.

Main Methods:

Analysis of 30 stars within the BPMG.
Assessment of orbital stability for potential Jupiter-like exoplanets.
Incorporation of high-contrast imaging and Gaia astrometry data.

Main Results:

Twenty out of 30 analyzed BPMG stars show potential for hosting stable Jupiter-like planets.
This finding suggests a higher prevalence of such planets than indicated by previous surveys.
The study accounts for observational incompleteness.

Conclusions:

Jupiter-like planets may be significantly more common in nearby young stellar associations like the BPMG.
Future data releases, particularly from the Gaia satellite, are expected to confirm these predictions.
The Solar System's planetary configuration might not be typical.