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Felix Ryde

Profilbild av Felix Ryde

PROFESSOR


Om mig

Recent Papers:

  • Samuelsson & Ryde 2023, "Observational characteristics of radiation-mediated shocks in photospheric gamma-ray burst emission", ApJ, 956, 42
  • Lesage et al. 2023, "Fermi-GBM Discovery of GRB 221009A: An Extraordinarily Bright GRB from Onset to Afterglow", ApJ, 952, 42
  • Li, Wang, Ryde et al. 2023, "A Cosmological Fireball with Sixteen-Percent Gamma-Ray Radiative Efficiency", ApJ, 944, 57
  • Dereli-Bégué, Pe'er, Ryde et al. 2022,"A wind environment and Lorentz factors of tens explain gamma-ray bursts X-ray plateau", Nature communication, 13, 5611:Blogg post
  • Ryde, Iyyani, Ahlgren et al. 2022, "Onset of particle acceleration during the prompt phase in gamma-ray bursts as revealed by synchrotron emission in GRB160821A", ApJL, 932, L15
  • Samuelsson, Lundman, & Ryde 2022, "An efficient method for fitting radiation-mediated shocks to gamma-ray burst data: The Kompaneets RMS approximation", ApJ, 925, 65
  • Li, Ryde, Pe'er, Yu & Acuner 2021, "Bayesian Time-Resolved Spectroscopy of Multi-Pulsed GRBs: Variations of Emission Properties amongst Pulses", ApJS, 254, 35
  • Abarr et al.  2021,"XL-Calibur – a second-generation balloon-borne hard X-ray polarimetry mission", Astropart. Phys., 126, 102529
  • Samuelsson, Bégué, Ryde, Pe'er & Murase 2020, "Constraining Low-luminosity Gamma-Ray Bursts as Ultra-high-energy Cosmic Ray Sources Using GRB 060218 as a Proxy", ApJ, 902, 148AAS Youtube video
  • Acuner, Ryde, Pe'er, Mortlock & Ahlgren 2020, "The Fraction of Gamma-ray Bursts with an Observed Photospheric Emission Episode", ApJ, 893,128
  • Dereli, Pe'er & Ryde 2020, "Classification of Photospheric Emission in Short GRBs", ApJ, 897, 154
  • Ajello et al. 2020 "Fermi and Swift Observations of GRB 190114C: Tracing the Evolution of High-Energy Emission from Prompt to Afterglow", ApJ,890, 9
  • Press:

  • 2018Fermi 10 years!
  • 2016KVA Gustafsson prize in Physics
  • 2016 Rektorsblog
  • 2016KTH Gustafsson prize in Physics
  • 2013 Fermi5 years!
  • 2012 NatureNews and comments thermal emission in GRBs
  • 2011 Einsteinsitter säkert
  • Research group:

  • Graduate students:
    • Filip Samuelsson
  • Post docs
    • Vidushi Sharma
    • Christoffer Lundman
  • Former group members:
    • David Yu, post doc → Lecturer at Hong Kong University
    • Husne Dereli, post doc → post doc in Tel Aviv
    • Rupal Basak, post doc → post doc in Bologna
    • Zeynep Acuner, PhD → IT job in Turkey
    • Liang Li, PhD → post doc in Rome
    • J. Michael Burgess, post doc → post doc at MPE, Munchen
    • Damien Bégué, post doc → post doc at MPE, Munchen
    • Shabnam Iyyani, PhD → post doc in Pune, India
    • Christoffer Lundman, PhD → post doc at Columbia, NY
    • Elena Moretti, post doc → post doc at MPE, Munchen
    • Tanja Nymark, post doc →  Vetenskapens Hus
    • Sinead McGlynn, post doc
    • Magnus Axelsson, post doc → post doc Tokyo Tech
    • Stefan Larsson (Falun University)
    • Alberto Benedetti, PhD (Erasmus Mundus; La Sapienza)
    • Damien Begue, PhD (Erasmus Mundus; La Sapienza)

Career History

Recipient of the 2016 Göran Gustafsson Prize in Physics

Professor, 2015, KTH Royal Institute of Technology

Director of the graduate studies in Physics, 2014 - 2017

Docent in Astronomy, 2005, University of Stockholm

Visiting Scholar, Penn State University, University Park, PA, 2005

Visiting Scholar, Rice University, Houston, TX, 2002

Post Doctoral Scholar, Stanford University, Stanford, CA, 2000-2002

Ph.D. in Astronomy, 2000, University of Stockholm

Civ. ing. in Engineering Physics, 1994, Lund Institute of Technology

Research Interests

Gamma-Ray Bursts: Radiative Processes; synchrotron, inverse Compton, thermal emission, Particle Acceleration; diffusion, radiative cooling, Spectral Evolution; empirical correlations, Pulse Profiles, Variability, Gamma-Ray Polarization

Observations: Swift, INTEGRAL, Fermi and PoGOLite

Active Galactic Nuclei: simultaneous observations radio and gamma-rays, X-rays, Seyfert 2 Galaxies, Spectroscopical Analysis, NGC 7172.

Galactic Black Hole Candidates: X/gamma-rays, Accretion, Non-Thermal Radiation, Cyg X-1.


Kurser

Astrofysik (SH2402), examinator, kursansvarig, lärare | Kurswebb

Astrofysik, fortsättningskurs (SH2403), examinator, kursansvarig, lärare | Kurswebb

Examensarbete inom fysik, avancerad nivå (SH204X), examinator | Kurswebb

Fysik, projektkurs I (SI2801), examinator | Kurswebb

Ingenjörsrollen och ingenjörskunskap (SA1007), lärare | Kurswebb

Introduktion till astronomi för ingenjörer (SH1003), lärare | Kurswebb

Projektarbete i fysik (SI2800), examinator | Kurswebb

Tillämpad modern fysik (SH1015), lärare | Kurswebb