Vienna Atomic Line Database
Also known as VALD
The Vienna Atomic Line Database (VALD) is a collection of atomic and molecular transition parameters of astronomical interest. VALD offers tools for selecting subsets of lines for typical astrophysical applications: line identification, preparing for spectroscopic observations, chemical composition and radial velocity measurements, model atmosphere calculations etc.
Getting access
Registration required Restricted (registration)
- How to apply
- Not yet verified — we don’t publish a route we haven’t checked.
Summarised from a registry — the exact application route is not yet verified.
About this database
| Website | https://vald.astro.uu.se/ |
|---|---|
| Subjects | Natural Sciences · Physics · Optics, Quantum Optics and Physics of Atoms, Molecules and Plasmas · Astrophysics and Astronomy · Optics, Quantum Optics, Atoms, Molecules, Plasmas |
| Last updated | 2026-09-11 |