2 papers
astro-ph.SR2024
A long-duration superflare on the K giant HD 251108
Hans Moritz Günther, Dheeraj Pasham, Alexander Binks +10
Many giant stars are magnetically active, which causes rotational variability, chromospheric emission lines, and X-ray emission. Large outbursts in these emission features can set…
astro-ph.IM2024
Sherpa: An Open Source Python Fitting Package
Aneta Siemiginowska, Douglas Burke, Hans Moritz Günther +8
We present an overview of Sherpa, an open source Python project, and discuss its development history, broad design concepts and capabilities. Sherpa contains powerful tools for com…