hitran

🌱 A fast line-by-line code for high-resolution infrared molecular spectra

🌈 A collaborative list of awesome tools for spectroscopy. Also, check:

A web app for high-resolution infrared molecular spectra using RADIS

Interactive In-the-browser (and more) examples to calculate spectra with RADIS (HITRAN Online access, etc.)

Online environment for advanced spectrum processing and comparison with experimental data

Repack and compress line-transition data

Radiation Interface for Matlab Spectroscopy Calculations. Uses HITRAN and HITEMP

HITRAN spectroscopy toolkit for AI agents & researchers: MCP server (12 tools) + HitranLab desktop GUI. 61 line-by-line molecules & 600+ cross-section species. Absorption, cross-section, line strength S(296K), transmittance (Voigt/HT/SDVoigt). One-click XSC download, auto-cache, full provenance. Live data from HITRANonline via HAPI.

AI Agent-ready simulation engine + ML benchmark for optical gas sensing — 10 molecules, 9 tasks, 14 baselines, full pipeline via natural language

Very alpha project about experimental absorption spectrum processing based on HITRAN HAPI module

GPU-accelerated molecular absorption cross-sections for atmospheric radiative transfer — HITRAN & ExoMol, Voigt to Hartmann-Tran, line mixing, MT_CKD/CIA continuum. Validated against HAPI.

Python implementation of Malkmus narrow band model for thermal radiation in gas mixtures (H2O, CO2, CH4, CO) at high temperature combustion conditions

Scrape gas absorption data from spectraplot.com's HITRAN database.

Automatically download & parse HITEMP line lists to a Pandas DataFrame

Matched-filter methane detection for Planet Tanager-1 hyperspectral imagery, with a validation chain that separates CH₄ absorption from surface mineralogy. Work in progress; detection method not yet validated.

Some scripts for data analysis using HITRAN database