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- Title
BRASS: Cross-match of atomic repositories and spectral line blending investigations.
- Authors
Laverick, M.; Lobel, A.; Royer, P.; Martayan, C.; Merle, T.
- Abstract
The Belgian repository of fundamental atomic data and stellar spectra (BRASS) aims to critically evaluate atomic data, from publicly available repositories, by comparing state-of-the-art synthetic spectra against high-quality benchmark stellar spectra. In preparation for our assessment we have cross-matched atomic line transitions from several different databases. Our investigation revealed significant updates in log( gf) values, sometimes as large as 2-4 dex, that fully justify the need for systematic quality assessments of the atomic data. We have also investigated the spectral line blending of an initial subset of 2647 atomic lines using spectral synthesis calculations, for the spectral types BAFGK.
- Subjects
EXPERIMENTS in atomic physics; ATOMIC physics; ATOMIC interactions; ATOMIC spectra; ATOMIC spectroscopy
- Publication
Canadian Journal of Physics, 2017, Vol 95, Issue 9, p843
- ISSN
0008-4204
- Publication type
Article
- DOI
10.1139/cjp-2016-0754