Bonn 2020 – wissenschaftliches Programm
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EP: Fachverband Extraterrestrische Physik
EP 3: Poster session
EP 3.8: Poster
Dienstag, 31. März 2020, 16:30–18:30, Zelt
Following the TraCS of exoplanets with Pan-Planets: Wendelstein-1b and Wendelstein-2b — Christian Obermeier1,2, •Jana Steuer1,2, Hanna Kellermann1,2, Roberto Saglia1,2, Thomas Henning3, Arno Riffeser1, Ulrich Hopp1,2, Gudmundur Stefansson4,5,6, Caleb Canas4,5,7, Joe Ninan4, John Livingston8, Johannes Koppenhöfer1,2, Ralf Bender1,2, and Suvrath Mahadevan4,5 — 1Max Planck Institute for Extraterrestrial Physics, Munich — 2University Observatory Munich (USM) — 3Max Planck Insitute for Astronomy, Heidelberg — 4Department of Astronomy & Astrophysics, The Pennsylvania State University — 5Center for Exoplanets & Habitable Worlds, Pennsylvania — 6Department of Astrophysical Sciences, Princeton University — 7Penn State Astrobiology Research Center, Pennsylvania — 8Department of Astronomy, The University of Tokyo
Hot Jupiters, although abundant among Sun-like stars, seem to get rarer with decreasing stellar mass. The goal of the Pan-Planets transit survey was the detection of such planets and a statistical characterization of their frequency. Here, we announce the discovery and validation of two planets found in that survey, Wendelstein-1b and Wendelstein-2b, two short-period hot Jupiters that orbit late K host stars. We validated them both by the traditional method of radial velocity measurements with the HIRES and HPF instruments and then by their Transit Colour Signature (TraCS). With this, we demonstrate that multi-band photometry is an effective way of confirming transiting exoplanets.