What question did this study set out to answer?

To develop an unbiased probabilistic forecasting model that predicts the mass or radius of an astronomical object when only one parameter is known.

December 27, 2016The Astrophysical JournalOpen Access

Probabilistic Forecasting of the Masses and Radii of Other Worlds

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Implication

Statistical modeling study demonstrates probabilistic mass-radius forecasting across 316 astronomical bodies, indicating that rocky super-Earths occupy a narrower mass range than previously thought.

Key Points

To develop an unbiased probabilistic forecasting model that predicts the mass or radius of an astronomical object when only one parameter is known.
Conditioned a probabilistic mass–radius relation framework on a calibration sample of 316 well-constrained astronomical objects.
Incorporated observational errors, hyper-parameter uncertainties, and intrinsic dispersions across nine orders of magnitude in mass from dwarf planets to late-type stars.
Constructed a four-tier classification system delineating Terran worlds, Neptunian worlds, Jovian worlds, and stars.
Identified a distinct transition in the mass–radius relation separating solid Terran worlds from volatile-rich Neptunian worlds.
Classified dwarf planets as low-mass Terran worlds and brown dwarfs as high-mass Jovian worlds based on structural trends across nine orders of magnitude.
Demonstrated that rocky super-Earths occupy a considerably narrower region of parameter space than earlier models predicted.

Cite This Study

A 2016 study studied this question.

synapsesocial.com/papers/6a7d860314e877b18fa13c16 https://doi.org/10.3847/1538-4357/834/1/17

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Implication

Statistical modeling study demonstrates probabilistic mass-radius forecasting across 316 astronomical bodies, indicating that rocky super-Earths occupy a narrower mass range than previously thought.

Probabilistic Forecasting of the Masses and Radii of Other Worlds

Discussion

Member takes

Implication

Key Points

Cite This Study

Probabilistic Forecasting of the Masses and Radii of Other Worlds

Discussion

Member takes

Implication

Key Points

Cite This Study

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