Monthly Archives: March 2012

Valence-shell photoionization of chlorine-like Ar+ ions

A. M. Covington (1), A. Aguilar (1), I. R. Covington (1), G. Hinojosa (1), C. A. Shirley (1), R. A. Phaneuf (1), I. Álvarez (2),  C. Cisneros (2) I. Dominguez-Lopez (3), M. M. Sant’Anna (3), A. S. Schlachter (3), C. P. Ballance (4) … Continue reading

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K-shell x-ray spectroscopy of atomic nitrogen

M. M. Sant’Anna (1), A. S. Schlachter (1) G. Öhrwall (2), W. C. Stolte (2), D. W. Lindle (2) & B. M. McLaughlinz (3) ((1) Lawrence Berkeley National Laboratory,  University of California, Berkeley, California, USA; (2) Department of Chemistry, University … Continue reading

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Photoionization Cross-Sections for the trans-iron element Se+ from 18 eV to 31 eV

B M McLaughlin (1,2) and C P Ballance (3) ((1) Centre for Theoretical Atomic, Molecular and Optical Physics, Queen’s University Belfast, Belfast, UK; (2) Institute for Theoretical Atomic and Molecular Physics, Harvard Smithsonian Center for Astrophysics, Cambridge, USA; (3) Department of … Continue reading

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Photoionization cross section calculations for the halogen-like ions Kr+ and Xe+

B M McLaughlin (1, 2) & C P Ballance (3) ((1) Queen’s University Belfast, Belfast, UK; (2) Harvard Smithsonian Center for Astrophysics, Cambridge, USA; (3) Auburn University, Auburn, USA) Photoionization cross sections calculations on the halogen-like ions Kr+ and Xe+ have … Continue reading

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Elemental abundances of intermediate age open cluster NGC 3680

A. W. Mitschang (1), G. M. De Silva (2), D. B. Zucker (1,3) ((1) Macquarie University, NSW  Australia; (2) Australian Astronomical Observatory,  Epping NSW Australia) We present a new abundance analysis of the intermediate age Galactic open cluster NGC 3680, … Continue reading

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Understanding and reducing statistical uncertainties in nebular abundance determinations

R. Wesson (1,2), D. J. Stock (1,3) & P. Scicluna (1,4) ((1) University College London, Gower Street, London, UK; (2) European Southern Observatory, Santiago, Chile; (3) University of Western Ontario, Ontario, Canada; (4) European Southern Observatory, Garching, Germany) Whenever observations … Continue reading

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