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Virtual laboratory astrophysics : The STARK-B database

Published online by Cambridge University Press:  13 February 2013

S. Sahal-Bréchot ,
M.S. Dimitrijević  and
N. Moreau
S. Sahal-Bréchot
Affiliation:
Observatory of Paris, LERMA, CNRS and University P. et M. Curie, LERMA, 5 place Jules Janssen, 92190 Meudon, France
M.S. Dimitrijević
Affiliation:
Observatory of Paris, LERMA, CNRS and University P. et M. Curie, LERMA, 5 place Jules Janssen, 92190 Meudon, France Astronomical Observatory, Volgina 7, 11060 Belgrade, Serbia
N. Moreau
Affiliation:
Observatory of Paris, LERMA, CNRS and University P. et M. Curie, LERMA, 5 place Jules Janssen, 92190 Meudon, France

Abstract

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Stark broadening theories and calculations have been extensively developed for about 50 years. The theory can now be considered as mature for many applications, especially for accurate spectroscopic diagnostics and modelling. This requires the knowledge of numerous collisional line profiles, especially for very low abundant atoms and ions which are used as probes for modern spectroscopic diagnostics in astrophysics. Nowadays, the access to such data via an on line database becomes essential. STARK-B (http://stark-b.obspm.fr) is a collaborative project between the Astronomical Observatory of Belgrade and the Laboratoire d’Étude du Rayonnement et de la matière en Astrophysique (LERMA). It is a database of calculated widths and shifts of isolated lines of atoms and ions due to electron and ion collisions (impacts). It is devoted to modelling and spectroscopic diagnostics of stellar atmospheres and envelopes, laboratory plasmas, laser equipments and technological plasmas. Hence, the domain of temperatures and densities covered by the tables is wide and depends on the ionization degree of the considered ion. The STARK-B database is a part of VAMDC (Virtual Atomic and Molecular Data Centre, http://www.vamdc.eu), which is an European Union funded collaboration between groups involved in the generation and use of atomic and molecular data. VAMDC aims to build a secure, documented, flexible and interoperable e-science environment-based interface to existing atomic and molecular data.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 58: ECLA - European Conference on Laboratory Astrophysics , 2012 , pp. 79 - 82
Copyright
© The Author(s) 2013

References

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