Three Young Planets Around The K-dwarf K2-198: High-energy Environment, Evaporation History And ...

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Three Young Planets Around The K-dwarf K2-198: High-energy Environment, Evaporation History And ...

Planets orbiting young stars are thought to experience atmospheric evaporation as a result of the host stars’ high magnetic activity. We study the evaporation history and expected future of the three known transiting exoplanets in the young multiplanet system K2-198.

Based on spectroscopic and photometric measurements, we estimate an age of the K-dwarf host star between 200 and 500 Myr, and calculate the high-energy environment of these planets using eROSITA X-ray measurements.

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Publisher: Astrobiology
Date: 2023-11-15T16:33:45 00:00
Author: Keith Cowing
Reference: (Read more) Visit Source




Hi. Since I graduated from college, I've been trying to find cool new interesting things to do. Creating special effects wins as my favorite.

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