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Exoplanet Discoveries and Updates
The young hot Neptune planet AU Microscopii b has been confirmed. There was news of the planet's detection floating around for a while so I'm not surprised to see it confirmed. They have also detected a single transit of what appears to be the second planet orbiting once every roughly 30 days. This candidate transit corresponds to a planet roughly three-fifth Neptune's radius.

AU Microscopii b
Semi-major axis: 0.066 AU
Eccentricity: 0.10
Orbital period: 8.46321 days
Mass: <3.4 Neptunes
Radius: 1.08 Neptunes

Second AU Microscopii planet candidate
Semi-major axis: ~0.15 AU
Eccentricity: ~0.20
Orbital period: ~30 days
Radius: 0.60 Neptunes

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RE: Exoplanet Discoveries and Updates - by The Astronomer - 06-26-2020, 03:25 AM

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