Abstract
The BASECOL database has been created and scientifically enriched since 2004. It contains collisional excitation rate coefficients of molecules for application to the interstellar medium and to cometary atmospheres. Recently, major technical updates have been performed in order to be compliant with international standards for management of data and in order to provide a more friendly environment to query and to present the data. The current paper aims at presenting the key features of the technical updates and to underline the compatibility of BASECOL database with the Virtual Atomic and Molecular Data Center. This latter aims to interconnect atomic and molecular databases, thus providing a single location where users can access atomic and molecular data.
Highlights
Introduction to BASECOLThe current publication aims at providing a description of the latest technical developments performed on the BASECOL database
The intention is to provide a paper that conveys the technical quality of the BASECOL service in relation with the Virtual Atomic and Molecular Data Center (VAMDC) [1,2,3], which is supported by the VAMDC consortium1
The BASECOL database is rather a reference repository for collisional inelastic rate coefficients and the advice would be to take collisional data from the BASECOL database in order to build the RADEX files on those known websites [6,9] or in any other internal or public secondary display of collisional rate coefficients. This would ensure a proper versioning of the collisional data sets as a specific effort on versioning is made in BASECOL, and a similar versioning effort is available in the molecular spectroscopic databases connected through VAMDC: CDMS, JPL, and HITRAN [10,11,12,13]
Summary
The current publication aims at providing a description of the latest technical developments performed on the BASECOL database. A new version will be released start of 2021 and a new publication will be published The genesis of this database was prompted by the need of collisional inelastic rate coefficients for the analysis of astrophysical spectra obtained with the latest spatial and ground heterodyne instruments. Using the services described below (“Search Collision” and “Search Article”), we provide here the following statistics : there currently are 284 articles and 217 collisional sets Among those 217 collisional data sets, we identify the excitation of 58 molecular species (among those 16 species are molecular ions) and of four atomic species. One aspect of the BASECOL database is the quality, completeness, and safety of the provided information, as BASECOL is managed by scientists having a deep knowledge of the type of data ingested in the database. We will describe the public web interface that provides access to the BASECOL data
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