ABHINAV ROY

Integrated M.Sc. Physics Student | Computational Astrophysicist

NISER, IN.

About

Highly motivated Integrated M.Sc. Physics student with a strong foundation in computational astrophysics, data analysis, and scientific visualization. Proven ability to conduct advanced research, publish findings in peer-reviewed journals, and develop high-performance scientific software. Seeking opportunities in research, computational science, or data analysis roles where advanced analytical skills and expertise in large-scale simulations can drive impactful discoveries.

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Work

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NISER

Code Development: SPHERE - A SPH Visualization Module

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IUCAA & National Institute of Science Education and Research (NISER)

Computational Project: Forecasting BBH Mergers with Cosmological Simulations

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National Institute of Science Education and Research (NISER)

M.Sc. Thesis Project: Evolution of Gas & DM Profiles of Galactic Halos Using Cosmological Simulations

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Volunteer

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NISER Astronomy Club (NAC)

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President

Led the NISER Astronomy Club, fostering a vibrant community for astronomy enthusiasts and coordinating key events and initiatives.

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NISER

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Event Coordinator

Organized and managed multiple inter-college and intra-college events, enhancing student engagement and institutional outreach.

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LitC (Literature Club of NISER)

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Core Committee Member

Contributed to the LitC Core Committee, organizing literary events and fostering a culture of reading and creative expression within the institute.

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NISER

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Volunteer

Contributed to community welfare through active participation in institutional and social outreach events.

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Education

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Physics

National Institute of Science Education and Research (NISER)

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Awards

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IUCAA Vacation Students' Programme (VSP)

Selected for the highly competitive IUCAA Vacation Students' Programme (VSP), recognizing strong academic potential and research interest in astrophysics.

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DISHA Scholarship

Awarded the prestigious DISHA Scholarship, sponsored by the Department of Atomic Energy, Government of India, for academic excellence.

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Publications

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Forecasting properties of detectable massive binary black hole mergers in the era of space based gravitational-wave detectors

The Astrophysical Journal (Submitted)

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Stellar Spectroscopy Using Diffraction Grating, CMOS Monochrome Sensor and Reflecting Telescopes

IOP Physics Education (Submitted)

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Languages

English

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Skills

Scientific Tools

MP-GADGET, GADGET-4, ROCKSTAR, LaTeX, NINJA cosmological simulation suite, eBOSS survey data

Programming Languages

Python, Shell Scripting, C/C++, Julia

Python Libraries

NumPy, SciPy, Astropy, Matplotlib, Seaborn, Bigfile, h5py (HDF5), scikit-learn, OpenMPI, multiprocessing, concurrent.futures, Numba JIT

Computing & HPC

Kalinga HPC Cluster, Astro HPC Cluster, High-Performance Computing (HPC), Parallelization, Memory-efficient processing

Technical Skills (Astronomy)

Astrophotography, Reflective Telescope Handling & Maintenance (6" and 8" Newtonian Telescopes & 11" Schmidt-Cassegrain Hybrid Telescope), Stellar Spectroscopy, Solar Limb Darkening Quantification, Galaxy Rotation Curve Measurement, Radio Astronomy Instrumentation, CMOS Monochrome Sensor

Data Analysis & Visualization

Data Interpretation, Scientific Visualization, SPH Visualization, 3D Rotation Animations, Statistical Analysis

Research & Analytical Skills

Cosmological Simulations, Gravitational Wave Detectors, Binary Black Hole Mergers, Galactic Halos, AGN Feedback, Dark Matter, Star Formation Quenching, Quasar Properties, Galaxy Groups, Matched Filtering Technique, Experimental Design, Data Collection, Troubleshooting

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Interests

Creative Writing

Poetry, Essays, Short Stories, Medium Blog

Leisure Activities

Music, Sitcoms, Cartoons, Anime, Reading (Novels, Comics, Mangas, Manhwas)

Technology & Science

Latest Advancements, Cooking, Experimenting with New Recipes

Club Involvement

Vaktavya (Debate Club), Quizone (Quizzing Club), Mathematix Club

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Projects

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P464 NISER: Galactic Dynamos

Term project focused on the study of Galactic Dynamos.

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P452 NISER: CTIS and Hyperspectral Cube Construction

Term project on CTIS and Hyperspectral Cube Construction.

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Experimental Lab II: Rotational Period Of Sun & Solar Limb Darkening

Quantified solar limb darkening and calculated the Sun's rotation periods by tracking sunspot movements.

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Experimental Lab III: Measuring Galaxy Rotation Curve Using Radio Telescope

Explored the Milky Way's rotation curve via 21cm neutral hydrogen emission, gaining experience in radio astronomy instrumentation.

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QSOs As The Tracer Of Our Universe

Investigated quasar properties and their relation to galaxies and dark matter halos using eBOSS survey data and cosmological simulations.

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Experimental Lab I: Stellar Spectroscopy With Reflecting Telescope

Designed, calibrated, and utilized a 3D-printed stellar spectrometer to collect and analyze stellar spectra.

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P474 NISER: Gravitational Waves as a Cosmological Probe

Term project investigating Gravitational Waves as a Cosmological Probe.

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Galaxy Group Finder Algorithm

Developed Group Finder Algorithms based on the matched filtering technique for detecting groups in deep-sky survey data.

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P346 NISER: Orbit Simulation with Adaptive RK-4 Integrator

Term project involving orbit simulation using an adaptive Runge-Kutta 4th order integrator.

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