Author Archives: AstroAtom

Special Session EWASS 2018: Atomic and molecular data needs for astronomy and astrophysics

Posted on October 13, 2017

The aim of this session is to encourage further dialogue and promote knowledge transfer between astronomers with strong atomic and molecular data needs and those who produce this data from laboratory measurements and calculations. We hope this will foster new … Continue reading →

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The Opacity Project: computational methods

Posted on October 6, 2016

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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Comment on “Large enhancement in high-energy photoionization of Fe XVII and missing continuum plasma opacity”

Posted on August 23, 2016

C. Blancard (1), J. Colgan (2), Ph. Cossé (1), G. Faussurier (1), C. J. Fontes (2), F. Gilleron (1), I. Golovkin (3), S. B. Hansen (4*), C. A. Iglesias (5), D. P. Kilcrease (2), J. J. MacFarlane (3), R.M. More … Continue reading →

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Electron impact excitation of N IV: calculations with the DARC code and a comparison with ICFT results

Posted on August 17, 2016

K. M. Aggarwal (1), F. P. Keenan (1), K. D. Lawson (2) (1) Astrophysics Research Centre, School of Mathematics and Physics, Queen’s University Belfast, Belfast BT7 1NN, UK. (2) CCFE, Culham Science Centre, Abingdon OX14 3DB, UK. There have been … Continue reading →

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The primordial helium abundance and the number of neutrino families

Posted on August 17, 2016

Peimbert, A. (1), Peimbert, M. (1), and Luridiana, V. (2,3) (1) Instituto de Astronomía, Universidad Nacional Autónoma de México, México. (2) Instituto de Astrofísica de Canarias, Spain. (3) Departamento de Astrofísica, Universidad de La Laguna, Spain. Based on observations of … Continue reading →

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Young stars and ionized nebulae in M83: comparing chemical abundances at high metallicity

Posted on August 2, 2016

Fabio Bresolin (1), Rolf-Peter Kudritzki (1), Miguel A. Urbaneja (2), Wolfgang Gieren (3), I-Ting Ho (1), Grzegorz Pietrzynski (3). (1) Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822, USA. (2) Institut für Astro- und Teilchenphysik, Universität … Continue reading →

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Photoionization of Ar VIII

Posted on July 27, 2016

Liang Liang, Wen-xian Jiang, Chao Zhou Physics Department, Xi’an University of Architecture and Technology, Xi’an 710055, People’s Republic of China The photoionization cross section, energy levels and widths of 22 Rydberg series (in the autoionization region) for Na-like Ar VIII … Continue reading →

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