36 citations · 75 across the 3 of their papers we have counts for
3 papers
Sunrise III: The Wavefront Correction System
Thomas Berkefeld, Alexander Bell, Reiner Volkmer +19
This paper describes the wave-front correction and image stabilisation system (CWS) developed for the Sunrise III balloon-borne telescope, and provides information about its perfor…
Sunrise III: Overview of Observatory and Instruments
Andreas Korpi-Lagg, Achim Gandorfer, Sami K. Solanki +117
In July 2024, Sunrise completed its third successful science flight. The Sunrise III observatory had been upgraded significantly after the two previous successful flights in 2009 a…
GREGOR: Optics Redesign and Updates from 2018-2020
Lucia Kleint, Thomas Berkefeld, Miguel Esteves +6
The GREGOR telescope was inaugurated in 2012. In 2018, we started a complete upgrade, involving optics, alignment, instrumentation, mechanical upgrades for vibration reduction, upd…