RCSEDv2: Processing and analysis of 4+ million galaxy spectra
Vladimir Goradzhanov, Igor Chilingarian, Evgenii Rubtsov, Ivan Katkov,, Kirill Grishin, Victoria Toptun, Anastasia Kasparova, Vladislav Klochkov and, Sviatoslav Borisov
TL;DR
RCSEDv2 is a comprehensive database of over 4 million galaxy spectra, providing uniformly analyzed astrophysical parameters from multiple surveys spanning 1994 to 2019, accessible via Virtual Observatory interfaces.
Contribution
This work presents the largest homogeneously analyzed collection of galaxy spectra with consistent data processing and analysis methods, enabling extensive astrophysical research.
Findings
Largest dataset of galaxy spectra analyzed to date
Uniform analysis approach across multiple surveys
Accessible via Virtual Observatory standards
Abstract
RCSEDv2 (https://rcsed2.voxastro.org/), the second Reference Catalog of Spectral Energy Distributions of galaxies, provides the largest homogeneously analyzed collection of optical galaxy spectra originating from several ground-based surveys collected between 1994 and 2019. The database contains astrophysical parameters obtained using the same data analysis approach from a sample of over 4 million optical spectra of galaxies and quasars: kinematics of stellar populations and ionized gas, chemical composition and age of stellar populations, gas phase metallicity. The dataset is available via Virtual Observatory access interfaces (IVOA TAP and SSAP) and through the web-site. Here we describe the RCSEDv2 spectroscopic dataset and the data processing and analysis.
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Taxonomy
TopicsAstronomy and Astrophysical Research · Gamma-ray bursts and supernovae · Galaxies: Formation, Evolution, Phenomena