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13 December 2020 Environmental stability achieved for the Manfred Hirt Planet Spectrograph
Vanessa Fahrenschon, Hanna Kellermann, Liang Wang, Frank Grupp, Claus Gössl, Ulrich Hopp, Wolfgang Mitsch, Michael Schmidt, Christoph Ries, Jana Steuer, Roberto Saglia, Ralf Bender
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Proceedings Volume 11447, Ground-based and Airborne Instrumentation for Astronomy VIII; 114473H (2020) https://doi.org/10.1117/12.2560944
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only
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Abstract
The Manfred Hirt Planet Spectrograph (MaHPS) — formerly also referred to as FOCES — is a high-resolution echelle spectrograph at the 2m telescope of the Wendelstein Observatory. One of its main scientific goals is the detection of planets at the few m/s level. To achieve such high precisions on a long-term scale, environmental stabilization of the instrument is required. The currently used temperature and pressure control systems are introduced and we present two different temperature control setups, with two and three actively controlled layers respectively. A series of measurements with an Astro Frequency Comb (AFC) as calibrator is shown to illustrate the system performance.
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Vanessa Fahrenschon, Hanna Kellermann, Liang Wang, Frank Grupp, Claus Gössl, Ulrich Hopp, Wolfgang Mitsch, Michael Schmidt, Christoph Ries, Jana Steuer, Roberto Saglia, and Ralf Bender "Environmental stability achieved for the Manfred Hirt Planet Spectrograph", Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114473H (13 December 2020); https://doi.org/10.1117/12.2560944
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KEYWORDS
Planets
Spectrographs
Control systems
Calibration
Frequency combs
Observatories
Telescopes
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