[IPARCOS astro-seminar] May 15th 2026 @15:00 (CEST) - MHD Modes in the ISM: A Statistical Approach Using Synchrotron Polarization, Parth Pavaskar (University of Potsdam & DESY Zeuthen)
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Shane O'Sullivan
May 6, 2026, 4:24:30 AM (8 days ago) May 6
to Parth Pavaskar, sea-an...@sea-astronomia.es, oficina de apoyo a la investigación Facultad de Fisicas, Departamento_FTA, fis-maste...@ggrupos.ucm.es, IPA...@ggrupos.ucm.es, Fis-gua...@ggrupos.ucm.es
Parth Pavaskar (University of Potsdam & DESY Zeuthen)
MHD Modes in the ISM: A Statistical Approach Using Synchrotron Polarization
Magnetohydrodynamic (MHD) turbulence plays a fundamental role in shaping the interstellar medium (ISM), influencing cosmic ray transport, star formation, and plasma dynamics. The properties of the MHD turbulence are governed by the energy fractions of the three fundamental plasma modes: the incompressible Alfvén, and the compressible fast and slow modes. However, identifying which mode dominates the energy remains a significant observational challenge. I will present the modified Synchrotron Polarization Analysis (SPA+) method, a technique to systematically identify the dominant MHD mode in ISM plasma using synchrotron polarization observations, helping us model the aforementioned processes better. I will further show the application of this method to real observations, analyzing the magnetized turbulence in the Cygnus loop region.
The talk will take place both in person at Room 13 (Ground floor) of Facultad de CC. Físicas (UCM) and online (Zoom and Youtube live).
The link to join the zoom will be shared later.
Full list of the IPARCOS astro seminars and colloquia: here
Shane P. O'Sullivan
Atracción de Talento Investigador
Depto de Física de la Tierra y Astrofísica y IPARCOS-UCM
Shane O'Sullivan
May 6, 2026, 4:28:17 AM (8 days ago) May 6
to Parth Pavaskar, sea-an...@sea-astronomia.es, oficina de apoyo a la investigación Facultad de Fisicas, Departamento_FTA, fis-maste...@ggrupos.ucm.es, IPA...@ggrupos.ucm.es, Fis-gua...@ggrupos.ucm.es
Apologies, now with the correct date in the subject: Wednesday 13 May
Shane O'Sullivan
May 13, 2026, 3:05:07 AM (21 hours ago) May 13
to Parth Pavaskar, sea-an...@sea-astronomia.es, oficina de apoyo a la investigación Facultad de Fisicas, Departamento_FTA, fis-maste...@ggrupos.ucm.es, IPA...@ggrupos.ucm.es, Fis-gua...@ggrupos.ucm.es
A reminder of the IPARCOS astro-seminar today at 3pm, in person in Aula 13 and on zoom at the link below.
El mié, 6 may 2026 a las 10:23, Shane O'Sullivan (<s.p.os...@ucm.es>) escribió:
Parth Pavaskar (University of Potsdam & DESY Zeuthen)
MHD Modes in the ISM: A Statistical Approach Using Synchrotron PolarizationMagnetohydrodynamic (MHD) turbulence plays a fundamental role in shaping the interstellar medium (ISM), influencing cosmic ray transport, star formation, and plasma dynamics. The properties of the MHD turbulence are governed by the energy fractions of the three fundamental plasma modes: the incompressible Alfvén, and the compressible fast and slow modes. However, identifying which mode dominates the energy remains a significant observational challenge. I will present the modified Synchrotron Polarization Analysis (SPA+) method, a technique to systematically identify the dominant MHD mode in ISM plasma using synchrotron polarization observations, helping us model the aforementioned processes better. I will further show the application of this method to real observations, analyzing the magnetized turbulence in the Cygnus loop region.
The talk will take place both in person at Room 13 (Ground floor) of Facultad de CC. Físicas (UCM) and online (Zoom and Youtube live).
The link to join the zoom is here.
The IPARCOS astro-seminars on Youtube: click hereFull list of the IPARCOS astro seminars and colloquia: here
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