CV

Chaitanya Priyadarshi

chaitanya.priyadarshi@ifj.edu.pl chaitanya.p.astrphys@gmail.com
https://chaimain.github.io
Kraków, Małopolskie, PL
Google Scholar ResearchGate ORCID GitHub GitLab

Summary

Researcher of Cosmic Rays. Currently working with the Pierre Auger Observatory. Member of the Cherenkov Telescope Array Observatory Consortium.

Education

  • Junior Research Fellow (JRF): Astronomy and Astrophysics
    2018-04-30
    Indian Institute of Science (IISc), Bangalore, India
  • Masters in Science (M.Sc.): Physics
    2015-03-31
    Department of Physics, Savitribai Phule Pune University, Pune, India
  • Bachelors in Science (B.Sc.): Physics
    2011-04-30
    Fergusson College, Savitribai Phule Pune University, Pune, India

Work Experience

  • Adjunct (Assistant Professor)
    2024-09-01 - Present
    Instytut Fizyki Jądrowej im. Henryka Niewodniczańskiego Polskiej Akademii Nauk (IFJ PAN): NZ15: Cosmic Ray Research and Neutrino Studies
    Kraków, Poland
    Member of the Pierre Auger Collaboration. Researcher of Ultra-High Energy Cosmic Rays with the Pierre Auger Observatory
  • Doctoral Researcher (PhD)
    2019-01-14 - 2024-04-30
    Institut de Física d´Altes Energies (IFAE): Gamma-ray Astronomy
    Barcelona, Spain
    Member of the Cherenkov Telescope Array Consortium (CTAC) and MAGIC Collaboration. Research on developing software tools for the analysis of data from Large-Sized Telescopes (LST) of the Cherenkov Telescope Array Observatory (CTAO), and analysis of Very-High-Energy gamma-ray data of bright Active Galactic Nuclei using LST-1.

Skills

Programming Languages & Tools

  • Advanced:
    Python
    • Intermediate:
      C, C++, ROOT
      • Beginner:
        HTML, Fortran, Bash, Java

        Data Analysis & Machine Learning

        • Advanced:
          NumPy, Pandas, Matplotlib

          Astronomy & Astrophysics Software

          • Advanced:
            Gammapy, pyirf
            • Main Developer:
              • uhecluster: Direction-Time Clustering Algorithms to detect Ultra High Energy Cosmic Ray (UHECR) Photons,
              • asgardpy: Analysis Software for GAmma-Ray Data in Python, a wrapper on the Gammapy software, for multi-instrument analysis of gamma-ray data,
              • cta-lstchain: Testbench software pipeline for analyzing data from the LST prototype of CTAO

            Publications

            • VHE γ-ray observations of bright BL Lacs with the Large-Sized Telescope prototype
              2025
              CTAO-LST Collaboration. MNRAS Vol 544 Issue 1
              DOI
            • Observations of the Crab Nebula and Pulsar with the Large-sized Telescope Prototype of the Cherenkov Telescope Array
              2023
              CTAO-LST Collaboration. ApJ Vol 956 Num 2 Page 80
              DOI
            • lstchain: An Analysis Pipeline for LST-1, the First Prototype Large-Sized Telescope of CTA
              2022
              CTAO-LST Collaboration. ASP Conference Series Vol 532 Page 357
              Zenodo
            • The scintillator surface detector of the Pierre Auger observatory
              2025
              Pierre Auger Collaboration. Journal of Instrumentation Vol 20 Page P08002
              DOI
            • Web of Science
              Inspire-HEP
              Google Scholar

            Presentations

            • The Analysis of the first blazars by the Large Size Telescope (LST) of the Cherenkov Telescope Array Observatory (CTAO)
              2025
              TeV Particle Astrophysics Conference (TeVPA)
              Valencia, Spain
              Presented at the behest of the CTAO-LST Collaboration, on a co-authored published work.
            • Ultra-High-Energy Photon Searches with the Pierre Auger Observatory: Constraints, Multi-messenger Synergies, and Future Prospects
              2025
              TeV Particle Astrophysics Conference (TeVPA)
              Valencia, Spain
              Presented at the behest of the Pierre Auger Collaboration
            • Space-Time Clustering analysis using Python
              2025
              Pierre Auger Collaboration Analysis Meeting
              L'Aquila, Italy
              Presented updates on a co-authored work, including an introduction to the uhecluster package
            • Analysis with First Data from Large Size Telescope of Cherenkov Telescope Array
              2021
              International Workshop on High Energy Physics
              Benasque, Spain
              Student presentation on the analysis of first data from LST-1
            • Looking at the night sky in the very high energy range
              2022
              Invited PhD Talk - International Women's Day
              Bhopal, India
              Invited talk by the IISER Bhopal Astronomy Club, on overview of the astronomy and astrophysics in the very-high-energy gamma-rays regime
            • Working Group presentations
              Pierre Auger Collaboration Neutral Particles: 2025-present
              Pierre Auger Collaboration Space-Time Correlations in Searches for Neutral Particles: 2025-Present
              CTAO-LST Analysis and Software: 2019-2023
              CTAO-LST Extragalactic Physics: 2022-2023
              CTAO Analysis and Software: 2019-2023
              Regular presentations on the progress of work in the respective working groups
            • Collaboration General Meeting presentations
              Pierre Auger Collaboration: 2025-Present
              CTAO-LST Collaboration: 2020-2023
              Regular presentations on the progress of work in the respective Collaborations' General Meetings

            Workshops

            • Pierre Auger Collaboration OffLine Software Tutorial
              2025
              L'Aquila, Italy
            • International Workshop on High Energy Physics
              2021
              Benasque, Spain
            • CTAO DL1 Benchmarking Workshop
              2021
              Online
            • MAGIC Software School
              2021
              Online
            • MAGIC Dark Matter Workshop
              2019
              Barcelona, Spain

            Teaching

            • IFJ PAN Particle Physics Summer Student Programme
              Instytut Fizyki Jądrowej im. Henryka Niewodniczańskiego Polskiej Akademii Nauk (IFJ PAN)
              Role: Project Tutor
              Tutored 2 Bachelor students for a project - Developing Python tools to search for ultra-high-energy photons using clustering algorithms
            • CTAO-LST Data Analysis School 1 (Online)
              CTAO-LST Collaboration
              Role: Lecturer
              Tutored on CTAO-LST-1 data analysis, from DL2 to DL3 stage using cta-lstchain and for higher-level science analysis using Gammapy

            Languages

            • English
              Full Professional Proficiency
            • Hindi
              Native or Bilingual Proficiency
            • Marathi
              Limited Working Proficiency
            • Bengali
              Elementary Proficiency
            • Spanish
              Elementary Proficiency

            Interests

            • Active Galactic Nuclei, Multi-messenger Astrophysics, Cosmic Rays, High Energy Astrophysics, Computational Astrophysics
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