Category Archives: Atomic databases

The Opacity Project: computational methods

James Colgan Los Alamos National Laboratory, Los Alamos, NM 87545, USA This viewpoint relates to an article by K A Berrington et al (1987 J. Phys. B: At. Mol. Opt. Phys. 20 6379–97) and was published as part of a … Continue reading

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The CHIANTI database, a consistency check on the accuracy of the stored cross-section values in He I to O I isoelectronic sequence ions

U Feldman Artep, Inc., Ellicott City, MD 21042, USA (ufeldman@verizon.net) CHIANTI is an atomic database with software for calculating emission properties. It is extensively used in deriving the atomic properties of spectra recorded from astrophysical and low density laboratory plasmas. … Continue reading

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The virtual atomic and molecular data centre (VAMDC) consortium

Dubernet, M. L.;  et al. The Virtual Atomic and Molecular Data Centre (VAMDC) Consortium is a worldwide consortium which federates atomic and molecular databases through an e-science infrastructure and an organisation to support this activity. About 90% of the inter-connected databases handle … Continue reading

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AtomPy: An Open Atomic Data Curation Environment for Astrophysical Applications

Claudio Mendoza (1,2), Josiah S. Boswell (3), David C. Ajoku(4) and Manuel A. Bautista (1) (1) Department of Physics, Western Michigan University, Kalamazoo, MI 49008, USA. (2)  Centro de Física, IVIC, PO Box 20632, Caracas 1020A, Venezuela. (3)Department of Computer Science, … Continue reading

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The 2013 Release of Cloudy

G. J. Ferland (1), R. L. Porter (2), P. A. M. van Hoof (3), R. J. R. Williams (4), N. P. Abel (5), M. L. Lykins (1), Gargi Shaw (6), W. J. Henney (7), P. C. Stancil (2) ((1) University … Continue reading

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Oxygen abundances in ionized nebulae from photoionization model fitting

Christophe Morisset (Instituto de Astronomia-­UNAM, Mexico) In this talk I will present a review on the determination of oxygen abundance from photoionization models of nebulae. I will first describe the way models are performed using photoionization codes, explaining the necessary … Continue reading

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The reliability of atomic data used for oxygen abundance determinations

Claudio Mendoza (IVIC, Caracas,  and CeCalCULA, CPTM, Mérida, Venezuela) The reliability of the atomic data required in astrophysical applications, in particular in abundance determinations, has been a perennial concern to the few research groups that cater for this well-established data demand. In … Continue reading

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