Paper 13094-97
Paper 13094-97
Advancements in the implementation and commissioning of the Wendelstein First Ring for the 2.1 m-telescope at the Wendelstein Observatory
18 June 2024 • 17:30 - 19:00 Japan Standard Time | Room G5, North - 1F
Abstract
The Wendelstein First Ring (WFR) is an automated multi-focal station that is designed to efficiently and precisely distribute telescope light at one of the Nasmyth ports to various scientific instruments. It will be installed at the 2.1m telescope of the Wendelstein Observatory which is currently equipped with two imaging cameras, the Wendelstein Wide field imager (WWFI), and a three-channel camera (3KK) in addition to a high-resolution comb-calibrated spectrograph (FOCES). The WFR will enable the observer to change within 90s between the latter two instruments or provide calibration light to the devices. Furthermore, it offers the possibility for alignment optimization of the telescope via a wavefront sensor. We will report on the verification of the different light paths and the repeatability of switching between them. Finally, we will describe the commissioning process after mounting the WFR to the telescope.
Presenter
Univ.-Sternwarte München (Germany)
After working on several Échelle spectrographs like FOCES at Calar Alto, The Weihai Echelle Spectrograph WES, CAFÉ at Calar Alto and the 2.2m spectrograph at Xinglong station Frank Grupp designed the 2m Wendelstein Telescope with all its instruments. Namely the wide field imager, the multi object spectrograph VIRUS-W and the three channel imager “3KK”. Frank also serves as optical architect for the ESA Euclid space mission, he designed and is responsible for building and testing the near infrared wide field optics. Recently Frank joined the ESO MICADO project designing the optics for the main selection mechanism: low resolution imager, spectrograph and pupil imager. Most recently Frank joined the LiteBIRD collaboration managing the German contribution to LiteBIRD with the magnetic hood covering the detector planes of the LHFT instrument on LiteBIRD. In his scientific life Frank is working on the field of planet detection via the radial velocity method and stellar atmosphere simulation.