Close substellar companions suppress metal pollution in white dwarfs by a factor of 5.75 with 87% protection efficiency, backed by observations of 17 systems and N-body simulations.
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Reassessment of 12 TTV claims finds only two systems with compelling unique solutions for the perturbing planet, six with multiple viable solutions, and two with weak evidence overall.
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Fates of the sub-stellar objects (FOSSO) II. Evidence for Suppression of Metal Pollution in White Dwarfs by Close Substellar Companions
Close substellar companions suppress metal pollution in white dwarfs by a factor of 5.75 with 87% protection efficiency, backed by observations of 17 systems and N-body simulations.
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TTV-Not-So-Fast: Uniqueness and Degeneracy in Perturbing Planet Parameters
Reassessment of 12 TTV claims finds only two systems with compelling unique solutions for the perturbing planet, six with multiple viable solutions, and two with weak evidence overall.