About

Sarath Prabhavu J.

Astrophysics Researcher  ·  Astronomy Educator  ·  Astrophotographer

Academic Background

M.Phil Physics
Cochin University  ·  2022

Courses: Research Methodology, Physics of Materials, Theoretical Physics, General Relativity & Astrophysics (Elective)

Thesis: Estimation of Magnetic Field Parameter in Gamma Ray Burst Afterglows

Supervisor: Dr. Resmi L, IIST

M.Sc Physics
Kerala University  ·  2015

Courses: Mathematical Physics, Classical Mechanics, Quantum Mechanics, Electrodynamics, Statistical Physics, Electronics

Project: Estimation of HII region around massive stars

Supervisor: Prof. Anand Narayan, IIST

B.Sc Physics
Kerala University  ·  2012

Subjects: Physics (Main), Mathematics, Chemistry

Research Projects

2025 – Present
Understanding Space Weather Effects on Exospheric Escape from Earth

Supervisor: Dr. Dolon Bhattacharya, Research Scientist, LASP (Remote)

  • Study of Geocorona using Lyman Alpha Emission
  • Changes on Earth's exosphere during geomagnetic storm events (high negative Dst index)
  • Using RT modeling techniques to estimate exospheric escape rates
2024 – 2025
High Energy Astrophysics — Gamma Ray Bursts

Supervisor: Dr. Resmi L., Associate Professor, IIST (Remote)

  • Studied how GRB hardness and duration vary with observer's viewing angle
  • Modelled(Computational) single-pulse GRBs using a geometrically and optically thin top-hat jet model
  • Simulated bursts with isotropic viewing angles in FERMI-GBM bands
  • Established strong dependence of spectral hardness on viewing angle
Published in ApJ

Professional Experience

Project Associate — International Liquid Mirror Telescope, ARIES
Aryabhatta Research Institute of Observational Sciences  ·  2024
  • Telescope operations at the 4m International Liquid Mirror Telescope
  • Built FITS web application for data storage and retrieval using Flask & PostgreSQL
Assistant Professor — Physics
SN College Varkala & KSMDB College  ·  2016-2019
  • Delivered university-level Physics lectures
  • Conducted practical sessions and evaluated student performance
  • Taught courses in Classical Mechanics, Optics, Electrodynamics, and C programming
Freelance Science Educator & Communicator
2014 – Present
  • 200+ public science outreach events & sessions in India and Abroad
  • Host of "Arike Aakaasam" astronomy TV show on KITE Victers(Govt.of Kerala)
  • Science writing for Malayalam regional science publications
  • Online courses in Python, Electromangnetism, and Astrophotography

Peer-Reviewed Papers

The Astrophysical Journal · 2025
Effect of Viewing Angle in Gamma-Ray Burst Properties

Sreelakshmi P. Chakyar, Sarath Prabhavu J., Lekshmi Resmi

DOI: 10.3847/1538-4357/adb1e0

View Paper
Astronomy & Astrophysics, Vol. 694, A80 · 2025
The 4 m International Liquid Mirror Telescope: Construction, Operation, and Science

J. Surdej, P. Hickson, K. Misra, D. Banerjee, S. Prabhavu, et al.

DOI: 10.1051/0004-6361/202452667

View Paper

Programming & Data Analysis

Python
Data analysis, computational modelling & web development · PyHDF, NetCDF
Matlab
Satellite data analysis (CloudSat) · M.Phil coursework
C, C++ & Bash Scripting
Systems programming & scripting workflows
Fortran ongoing
Scientific computing foundations

Web Development & Databases

Flask Web Applications
Scientific web tools development
PostgreSQL / SQL
FITS data storage & retrieval

Scientific & Technical

Computational Modelling
GRB afterglow & prompt emission
Satellite Data Analysis
Space weather modelling · NRLMSIS, GOLD
Linux & Git / GitHub
Version control & scientific computing workflows

Multimedia & Communication

Astrophotography
Deep sky, Milky Way & planetary imaging
Adobe Creative Tools
Illustrator, Photoshop, Blender
LaTeX
Scientific writing & publication preparation
Public Speaking & Science Communication
Outreach, lectures & astronomy communication in Malayalam & English

Key Projects

Estimation of Magnetic Field Parameter in Gamma Ray Burst Afterglows
M.Phil thesis project · IIST collaboration
Exoplanet Detection — 51 Pegasi b
Radial velocity analysis
Strömgren Sphere Estimation
HII region around massive stars · M.Sc project
ILMT FITS Web App
Flask · PostgreSQL · Telescope data pipeline

Public Engagement

200+ Public Stargazing Sessions
Schools, colleges & communities across India and Abroad
Astronomy TV Show Host
Arike Aakaasam · KITE Victers Channel (Malayalam)
Science Writing
Articles in Malayalam regional science publications
Astrophotography Workshops
Budget astrophotography & deep sky imaging

Certifications & Training

Certifications and online courses to be listed here.

Volunteer Work

Kerala Sasthra Sahithya Parishad
Schools, colleges & communities across India and Abroad
Shasthra Snehi
Arike Aakaasam · KITE Victers Channel (Malayalam)
LUCA-Online Magazine
Arike Aakaasam · KITE Victers Channel (Malayalam)
Amateur Astronomers Organization Kerala
Schools, colleges & communities across India and Abroad