A disintegrating rocky planet discovered orbiting a bright K-dwarf BD+05 4868 A

10. 1. 2025

A disintegrating rocky planet discovered orbiting a bright K-dwarf BD+05 4868 A

Star system: BD+05 4868 A | Distance from the Sun: 142 light years

When transiting in front of the star, comet-like tails both leading and trailing are visible, indicating large dust grains and rapid mass loss

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A Disintegrating Rocky Planet with Prominent Comet-like Tails Around a Bright Star external link

Stars mentioned

BD+05 4868 A

Orange star

mass: 0.7 M☉

radius: 0.7 R☉

distance: 142 ly

stars in the system: 2

exoplanets: 1

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BD+05 4868

142 ly

Candidate O I 7774 Å Absorption from an Escaping Rock-Vapor Outflow of BD+05 4868 Ab
6. 10. 2026

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