About me

Hi, I'm Sanket — born under the sunny skies of Pune, raised on Misal and curiosity, and currently doing a PhD on Pulsar Emission Mechanisms at the University of Zielona Góra, Poland. By day, I study dead stars that won't stop spinning (aka pulsars).

Pulsars are rapidly rotating, highly magnetized neutron stars, and the origin of the radio signal we observe from them is hidden somewhere within their magnetosphere. Observing the light from these cosmic lighthouses remains our only real window into what's happening near these stars. The exact mechanism driving this emission is still debated — plenty of people have tried decoding it with pen, paper, telescopes, and computers, but nobody has fully cracked this big cosmic puzzle yet.

This website is my corner of the multiverse — a place to collect my research, projects, and the odd spark of creativity. You'll probably find me sketching ideas, tinkering with data, or wondering if there's a Marathi word for "Gaussian process." (There isn't. Yet.)

What I'm doing

  • research icon

    Pulsar Research

    Studying pulsar emission mechanisms through single-pulse and polarization analysis, using observations from LOFAR, uGMRT, and MeerKAT.

  • data analysis icon

    Data Analysis & Scientific Computing

    Building Python-based tools — Gaussian Process regression, Keplerian solvers — to analyze large radio astronomy datasets.

  • teaching icon

    Teaching & Outreach

    Supervising radio astronomy observing labs and building hands-on exercises for students and workshop participants.

  • art icon

    Art & Design

    Sketching, painting, and occasional graphic design — a creative outlet away from the telescope data.

Resume

Education

  1. PhD in Astrophysics — University of Zielona Góra

    Nov 2025 — Present | Poland

    PhD Thesis: Understanding Pulsar Emission Mechanism
    Supervised by Prof. Dr. Rahul Basu.
    Studying the physical origin of pulsar radio emission through single-pulse and polarization analysis, focusing on subpulse drifting, nulling, and mode changing. Observational studies using LOFAR, uGMRT, MeerKAT and archival datasets.

  2. M.Sc. Astrophysics — University of Bonn | Max Planck Institute for Radio Astronomy

    Oct 2022 — June 2025 | Germany

    Master’s Thesis: Characterizing Pulsar Emission Widths
    Supervised by Prof. Dr. Michael Kramer & Dr. Ramesh Karuppusamy (MPIfR).
    Developed a Gaussian Process Regression based algorithm to characterize pulsar emission widths for 1200+ pulsars from the MeerKAT Thousand Pulsar Array. Conducted frequency evolution studies of PSR B0355+54 using ultra-broadband Effelsberg observations.

  3. B.Sc. Physics — Fergusson College (Autonomous)

    June 2019 — June 2022 | India

    Bachelor’s Thesis: Predicting the Glitches in Vela Pulsar
    Explored neutron star internal dynamics using archival glitch data (Vela, Crab, J0537-6910). Developed predictive models describing superfluid core–crust interactions.

Research Experience

  1. Simulating Binary Orbits of Pulsars — MPIfR Bonn

    Nov 2023 — Jan 2024

    Research Internship under Dr. Paulo Freire. Developed a Python-based Keplerian solver to visualize pulsar binary orbits, orbital acceleration, velocity curves, and orbital precession with animation capabilities.

  2. Polaris Flare Molecular Cloud Study — AIfA Bonn

    Nov 2023 — Feb 2024

    Investigated correlations between HI4PI hydrogen filaments, LOFAR depolarization canals, and galactic magnetic field structure using RoBoPol data.

  3. SWANtenna Challenge 2020

    2020 — 2022

    Designed and simulated an antenna (80–400 MHz) for the Indian Sky Watch Array Network. Ranked Top 3 nationwide; design selected for prototyping and testing at GMRT, Pune.

  4. 2D Fourier Transform Experiment (RAWS)

    Dec 2021 — June 2022

    Developed a Python-based hands-on experiment for Radio Astronomy Winter School to demonstrate 2D Fourier transform and image analysis techniques.

Work Experience

  1. Research Assistant & Tutor — University of Bonn

    Sept 2024 — Present

    Teaching assistant for Radio Astronomical Observing Lab Course. Assisted in oral examinations, grading, and supervising pulsar and galaxy observations at Stockert Radio Telescope. Provided structured feedback on lab reports and data analysis.

Honors & Awards

  1. BCGS Stipend Program

    2022

    Full merit-based scholarship awarded by Bonn-Cologne Graduate School for Master’s in Astrophysics.

  2. INSPIRE Fellowship

    2019

    Merit-based national fellowship awarded by Department of Science & Technology, India.

Workshops & Conferences

  1. Science at Low Frequencies (SALF XI)

    Dec 2025
  2. Bonn Neutron Star Workshop (2023–2025)

  3. Deep Learning Workshop — University of Cologne

    June & Sept 2024
  4. IPTA School

    June 2021

Technical Skills

  • Python & Scientific Computing
    95%
  • Radio Astronomy Tools (psrchive, dspsr, ds9)
    90%
  • Machine Learning & Gaussian Processes
    85%
  • Git, Unix Shell & LaTeX
    90%

Contact

Contact Form

Pulsar Emission Widths

This project focuses on developing a Gaussian Process based algorithm to estimate pulsar emission widths across 1200+ pulsars.

The ON-pulse region is determined using a statistical thresholding approach (kneedle algorithm applied to the CDF of the GP mean).

Results

Width vs Period

Width vs Period relation.