Verification observations of the Manfred Hirt Planet Spectrograph

Hanna Kellermann; Liang Wang; Vanessa Fahrenschon; Jana Steuer; Fei Zhao; Frank Grupp; Michael Schmidt; Christoph Ries; Claus Goessel; Wolfgang Mitsch; Ulrich Hopp; Ralf Bender

doi:10.1117/12.2562495

13 December 2020 Verification observations of the Manfred Hirt Planet Spectrograph

Hanna Kellermann, Liang Wang, Vanessa Fahrenschon, Jana Steuer, Fei Zhao, Frank Grupp, Michael Schmidt, Christoph Ries, Claus Goessel, Wolfgang Mitsch, Ulrich Hopp, Ralf Bender

Author Affiliations +

Proceedings Volume 11447, Ground-based and Airborne Instrumentation for Astronomy VIII; 114474K (2020) https://doi.org/10.1117/12.2562495
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

The Manfred Hirt Planet Spectrograph - formerly operated under the name FOCES - started its regular scientific observation program in fall 2019 at the 2m telescope of the Wendelstein Observatory, operated by the University Observatory of the LMU Munich. We present the first radial velocity stability measurements of an astronomical target, the 51 Pegasi b exoplanet system, utilizing our Astro Frequency Comb (ACF) for wavelength calibration. For computing RV shifts from orderwisely extracted Echelle spectra we have developed a new software pipeline. In this proceeding we will introduce the most important features of our pipeline: wavelength calibration with simultaneously recorded spectra of the AFC, generation of spectral templates, and an optional fit or cross- correlation function (CCF) for the calculation of the relative RV signals. Finally, the performance of the pipeline real data is demonstrated.

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Hanna Kellermann, Liang Wang, Vanessa Fahrenschon, Jana Steuer, Fei Zhao, Frank Grupp, Michael Schmidt, Christoph Ries, Claus Goessel, Wolfgang Mitsch, Ulrich Hopp, and Ralf Bender "Verification observations of the Manfred Hirt Planet Spectrograph", Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114474K (13 December 2020); https://doi.org/10.1117/12.2562495

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