Seminars at MPS

Interested visitors are very welcome to join in all seminars held and talks given at the MPS. The presentations are mainly given in English. More detailed information can be found at the seminars' pages. Invited guest scientists of other institutes report on the successes and results of their research in institute seminars and colloquia. PhD students of the International Max Planck Research School (IMPRS) present their work in S3 seminars. In the Seminars about Planets and Comets, as well as in the Seminars about the Sun and sunlike Stars, the scientists of the respective departments report on the latest results and progress made in their projects and introduce new missions. All seminars are concluded with a short discussion or a questions-and-answers sessions.

MPS Seminar: Iron-carbon interactions on Earth and Mars – Implications for the Rosalind Franklin rover mission and Mars Sample Return (C. Schröder)

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S3 Seminar: Chromospheric Fe I lines in the NUV solar spectrum (Edvarda Harnes)

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ESPOS - Thoughts on measuring elemental abundances in the solar atmosphere (G. Del Zanna)

ESPOS
I briefly review some methods and measurements of elemental abundances in the solar atmosphere, with emphasis on the transition region and corona. Some limitations in the methods, in the modeling of the spectral line intensities, and the observations are discussed. Examples from the X-rays, the EUV, the UV, the visible, and near-infrared are presented. A significant improvement in the modeling of some of the ions is being made available with CHIANTI version 11. All the observations indicate that the solar corona has photospheric abundances and that the hot 3 MK active region cores have stable enhancements of a factor of about 3.2 in the ratios of low to high-FIP elements. A lot of uncertainties and puzzles still exist, requiring further analyses and, more importantly, future instrumentation. [more]

Was ist da draußen? Atmosphären ferner Welten. (M. Rengel)

Was ist da draußen? Öffentliche Vortragsreihe am MPS: Öffentliche Vortragsreihe
Öffentliche Vortragsreihe des Max-Planck-Instituts für Sonnensystemforschung über ferne Welten außerhalb unseres Sonnensystems. [more]

S3 Seminar: Investigating Chromospheric Structures Using MURaM (Sanghita Chandra)

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S3 Seminar: Coronal Loop Evolution and Morphology: A Stereoscopic Analysis (Bhinva Ram)

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Was ist da draußen? - Extreme Winde auf heißen Jupitern. (V. Böning)

Was ist da draußen? Öffentliche Vortragsreihe am MPS: Öffentliche Vortragsreihe
Öffentliche Vortragsreihe des Max-Planck-Instituts für Sonnensystemforschung über ferne Welten außerhalb unseres Sonnensystems. [more]

MPS Seminar: On the Origin of the Photospheric Magnetic Field (M. Linton)

  • Date: May 16, 2024
  • Time: 02:00 PM - 03:00 PM (Local Time Germany)
  • Speaker: Mark Linton
  • Mark Linton (NRL), in collaboration with Peter Schuck (NASA/GSFC), Kalman Knizhnik (NRL), and James Leake (NASA/GSFC)
  • Location: MPS
  • Room: Lecture Hall
  • Host: Gherardo Valori
We present a new mathematically rigorous analysis tool (Schuck et al. 2022), based on Gauss' 1839 method for analyzing terrestrial magnetic fields, that extracts attribution from photospheric vector magnetogram observations and answers the question ``what is the source of the photospheric magnetic field, the convection zone or corona?'' We apply this powerful 19th-century method to SDO/HMI observations of NOAA AR 12673 to disentangle the photospheric magnetic field produced by these two source regions. This allows us to generate paired photospheric vector magnetograms for the fields produced by coronal sources and for fields produced by convection zone sources. From these analyses, we demonstrate that bare current channels are supported by the solar corona and that these coronal current channels can be a significant source of the radial component of the magnetic field in the photosphere. [more]

MPS Seminar: Exoplanets, cool stars, and their interactions (Katja Poppenhäger)

  • Date: May 22, 2024
  • Time: 02:00 PM - 03:00 PM (Local Time Germany)
  • Speaker: Katja Poppenhäger
  • Leibniz Institute for Astrophysics Potsdam (AIP), Section "Stellar Physics and Exoplanets"
  • Location: MPS
  • Room: Lecture Hall
  • Host: Sami Solanki
Katja Poppenhaeger is the leader of the research section on "Stellar Physics and Exoplanets" at AIP and a professor at the University of Potsdam. She investigates exoplanets and their atmospheres, particularly in the environment created by their host stars through irradiation and magnetic effects. Her group uses both observations in several wavelength regimes as well as numerical simulations to increase our understanding of exoplanets and their host stars. [more]

Was ist da draußen? - Entstehung und Entwicklung terrestrischer Exoplaneten. (T. Lichtenberg)

Was ist da draußen? Öffentliche Vortragsreihe am MPS: Öffentliche Vortragsreihe
Öffentliche Vortragsreihe des Max-Planck-Instituts für Sonnensystemforschung über ferne Welten außerhalb unseres Sonnensystems. [more]

S3 Seminar: High-resolution observations of small-scale activity in coronal hole plumes (Ziwen Huang)

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S3 Seminar: Turbulent spherical Rayleigh-Bénard convection: radius ratio and Prandtl number dependence (Yifeng Fu)

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S3 Seminar: Modelling low-frequency modes of the Sun (Suprabha Mukhopadhyay)

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S3 Seminar: Modelling the Impact of Earth’s Mantle on the Geodynamo (Illya Lohay)

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S3 Seminar: High Resolution Observations of Active Region Moss using EUI and PHI (Abhas Pradhan)

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IMPRS Defense: Title (Jonas Schneider)

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S3 Seminar: Deciphering planet formation using meteoritic data (Nerea Gurrutxaga)

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S3 Seminar: Detecting false positives for the PLATO space mission: A comparison between Centroid Shifts measurements and Double-Aperture Photometry (Fernando Canales)

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S3 Seminar: Dust dynamics modelling on the main-belt comet 324P/La Sagra (Maria Mastropietro)

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S3 Seminar: Characterizing and Denoising Helioseismic Far-Side Images (Aarushi Rawat)

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S3 Seminar: Nonlinear behavior of solar inertial modes? (Yash Mandowara)

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S3 Seminar: Inertial modes in the solar convection zone: The forward problem (Prithwitosh Dey)

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S3 Seminar: Long-term variations of solar irradiance (Duresa Temaj)

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S3 Seminar: Treatment of limb darkening in retrievals of exoplanet atmospheres (Rosa Keers)

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S3 Seminar: Observations of high-latitude inertial mode eigenfunctions using local correlation tracking (Neelanchal Joshi)

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