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Biswajit1999/README.md

DEEP SKY: cinematic Earth observatory with a textured planet, ground telescope, distant-star target acquisition, moving photons and simulated signal analysis; animation includes rotating astronomical research headlines.

Animated typewriter introduction cycling through four astronomical research themes.

Astrophysics researcher · Exoplanets · Precision spectroscopy · Cosmology · Scientific computing

✦ Observe the signal ↓  ·  ✦ Explore the missions ↓  ·  Research portfolio ↗  ·  Contact ↗

From our planet, looking outward

I'm a Visiting Researcher at the University of Hertfordshire, with an MSc in Astrophysics with Advanced Research and a background in Electronics & Communication Engineering. I explore the meeting point of astronomical instruments, exoplanet discovery, optical measurements, and computational astronomy.

What can we learn about a world we may never visit—just by studying the light that reaches Earth?

Signal Lab

Three ways of reading starlight. Watch the simulated observations progress from a planet crossing a star, to absorption lines in a spectrum, to a star's tiny radial-velocity wobble.

Three clearly labelled, animated scientific toy models: an exoplanet transit with 0.81 percent depth, a continuum-normalised absorption spectrum with five Gaussian lines, and a sinusoidal stellar radial-velocity signal with 2.6 metres per second amplitude.

Numerically generated examples, not live observations or telescope measurements. The light curve, spectrum and RV waveform demonstrate physical concepts rather than any claimed planetary detection.

Explore transit photometry ↗  ·  Study precision RV ↗  ·  Inside the instrument ↗

Featured Missions

EXOhSPEC — stylised spectrograph research scene 01 · EXOhSPEC
How stable must an instrument be to study the tiniest changes in starlight?
Explore the instrument ↗ 		Finding Earth 2.0 — distant exoplanet visualisation 02 · Finding Earth 2.0
Which known planets could resemble our home, and what do we still not know?
Search distant worlds ↗
Precision RV — spectrograph and stellar light analysis 03 · Precision RV Landscape
How can a star's changing spectrum reveal an otherwise unseen planet?
Follow the Doppler signal ↗ 		NASADIYA LIGHTCONE — cosmic survey and lookback-time visualisation 04 · NASADIYA LIGHTCONE
What does the Universe reveal when we look back across cosmic time?
Explore the lightcone ↗

The radar and light curve are illustrative simulations, not real-time observations or claims of a detected signal. Open each repository for its methods and source data.

Further into the Universe

ExoLight Transit Lab · stellar light curves   ✦   Betelgeuse Observatory · red-supergiant physics   ✦   Multiverse Cosmology Lab · cosmic origins   ✦   LATTICE · space detectors

A few tools I use: Python · Astropy · MATLAB · C/C++ · spectroscopy · astronomical imaging · numerical modelling · data visualisation.

Curiosity begins with a signal.
From Earth to the faintest light of the distant Universe.
Research portfolio ↗ · All projects ↗ · Connect ↗

Animated contributions

Biswajit Jana · 2026

Pinned Loading

  1. Biswajit_Jana.github.io Biswajit_Jana.github.io Public

    Research portfolio of Biswajit Jana covering astrophysics, astronomical instrumentation, exoplanets, precision radial-velocity spectroscopy, scientific computing, open research projects and interac…

    HTML 1

  2. exolight-transit-lab exolight-transit-lab Public

    Interactive exoplanet transit-analysis laboratory for real and simulated light curves, transit geometry, residual structure, target comparison, time-series diagnostics and reproducible visual explo…

    Jupyter Notebook 1

  3. AstroBis AstroBis Public

    Browser-native astronomy platform combining Solar System exploration, Mars terrain, EarthOps, NASA Exoplanet Archive data, ISS tracking, NEO/interstellar-object monitoring, stellar atlases and prov…

    JavaScript

  4. interactive-hr-diagram-lab interactive-hr-diagram-lab Public

    Interactive Hertzsprung-Russell diagram laboratory for stellar temperature, luminosity, spectral class and stellar evolution. Uses reproducible numerical experiments, parameter exploration and quan…

    HTML

  5. NASADIYA-LIGHTCONE NASADIYA-LIGHTCONE Public

    Interactive cosmology and light-cone visualization project for exploring cosmic history, distance, redshift and observable-universe structure. Designed as a browser-based scientific exploration lay…

    Jupyter Notebook

  6. eprv-spectrograph-landscape eprv-spectrograph-landscape Public

    EPRV Spectrograph Landscape: source-audited atlas of extreme-precision radial-velocity instrument design, calibration, stability, measured performance and operational status.

    Python