Preprint Article Version 1 This version is not peer-reviewed

VALD: The Meeting Point of Data Producers and Data Users

Version 1 : Received: 25 June 2018 / Approved: 26 June 2018 / Online: 26 June 2018 (13:08:52 CEST)

A peer-reviewed article of this Preprint also exists.

Ryabchikova, T.; Pakhomov, Y.; Piskunov, N. VALD: The Meeting Point of Data Producers and Data Users. Galaxies 2018, 6, 93. Ryabchikova, T.; Pakhomov, Y.; Piskunov, N. VALD: The Meeting Point of Data Producers and Data Users. Galaxies 2018, 6, 93.

Journal reference: Galaxies 2018, 6, 93
DOI: 10.3390/galaxies6030093

Abstract

Vienna Atomic Line Database (VALD) contains data on atomic and molecular energy levels and parameters of spectral lines required for stellar spectra analysis. Hundreds of millions lines for fine spectral synthesis and for opacity calculations are collected in present version of VALD (VALD3). Critical evaluation of the data and the diversity of extraction tools support high popularity of VALD among users. The data model of VALD3 incorporates obligatory links to the bibliography making our database more attractive as publishing platform for data producers. The VALD data quality and completeness are constantly improving allowing better reproduction of stellar spectra. To illustrate continuous evolution of the data content we present a comparative analysis of the recent experimental and theoretical atomic data for Fe-group elements, which will be included in the next VALD release. This release will also include a possibility for extracting the line data with full isotopic and hyperfine structures.

Subject Areas

stellar spectra; atomic and molecular data; databases

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