Saurabh

High-resolution observations of the environment of black holes in active galactic nuclei

Scientific Advisor: Andrei Lobanov

Collaborators: Parth Bambhaniya, Sebastiano von Fellenberg, Prof. Pankaj Joshi, Yosuke Mizuno, Hendrik Mueller, Prof. Elisabete M. de Gouveia Dal Pino, Maciek Wielgus.

About me:
I completed my undergraduate studies in Physics at the University of Delhi
(2020), where I co-founded Stellar Universe, a student-led astronomy outreach
initiative that organized events and activities to inspire interest in
astrophysics among school and college students. I then earned a Master’s
degree in Physics with a specialization in Astrophysics and Cosmology at
PDPIAS, Charusat University, Gujarat, where I worked on accretion flows
around black holes and horizonless objects, with a thesis on probing
fundamental physics near black holes using the next-generation Event Horizon
Telescope (ngEHT).
Currently, I am a PhD student at the Max Planck Institute for Radio Astronomy
and a member of the Event Horizon Telescope (EHT) collaboration. My research
focuses on simulating and analyzing accretion flows and polarized black hole
images which can be used to discern spacetimes (compact objects) in general
relativity, and comparing them with EHT and related high-resolution
observations. Beyond research, I am actively involved in science outreach and
public engagement, including outreach and social media efforts for the EHT.

Saurabh, Maciek Wielgus, Arman Tursunov, Andrei P. Lobanov, and Razieh
Emami
“Semi-analytic studies of accretion disk and magnetic field geometry
in M87*”
under review, arXiv:2508.11760 (2025).
Saurabh, Parth Bambhaniya, and Pankaj S. Joshi
“Imaging ultracompact objects with radiatively inefficient accretion flows”
Astronomy & Astrophysics 682, A113 (2024).
Dimitry Ayzenberg, Lindy Blackburn, Richard Brito, Silke Britzen, Avery E. Broderick, Raúl Carballo-Rubio, Vitor Cardoso, Andrew Chael, Koushik Chatterjee, Yifan Chen, Pedro V. P. Cunha, Hooman Davoudiasl, Peter B. Denton, Sheperd S. Doeleman, Astrid Eichhorn, Marshall Eubanks, Yun Fang, Arianna Foschi, Christian M. Fromm, Peter Galison, Sushant G. Ghosh, Roman Gold, Leonid I. Gurvits, Shahar Hadar, Aaron Held, Janice Houston, Yichao Hu, Michael D. Johnson, Prashant Kocherlakota, Priyamvada Natarajan, Héctor Olivares, Daniel Palumbo, Dominic W. Pesce, Surjeet Rajendran, Rittick Roy, Saurabh, Lijing Shao, Shammi Tahura, Aditya Tamar, Paul Tiede, Frédéric H. Vincent, Luca Visinelli, Zhiren Wang, Maciek Wielgus, Xiao Xue, Kadri Yakut, Huan Yang, and Ziri Younsi
Fundamental physics opportunities with future ground-based mm/sub-mm VLBI arrays
 Living Reviews in Relativity (2025) 28, 4
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