Monthly Archives: July 2011

Atomic processes in photoionized gaseous nebulae

Xiaowei Liu (Kavli Institute for Astronomy & Astrophysics, Beijing 100871, China) In this review, I will highlight some major progresses on the study of atomic processes in photoionized gaseous nebulae since the last PN symposium. Invited review given at the IAU … Continue reading

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From nebular to pynebular: a new package for the analysis of emission lines

V. Luridiana (1,2), C. Morisset (1,2,3), R.A. Shaw (4), D. Díaz-González (5) (1) Instituto Astrofísico de Canarias, La Laguna, Tenerife, Spain. (2) Universidad de La Laguna, Tenerife, Spain. (3) Instituto de Astronomía, UNAM, México DF, México. (4) NOAO, Tucson, Arizona, … Continue reading

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Atomic data and how they propagate in chemical abundances

V. Luridiana, J. García-Rojas (Instituto Astrofísico de Canarias, Tenerife, Spain) The workshop Uncertainties in Atomic Data and How they Propagate in Chemical Abundances, held on 20-22 October, 2010, at the Instituto de Astrofísica de Canarias in Tenerife (Spain) has brought … Continue reading

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Atomic data requisites from IAU Symposium 283

Puerto de la Cruz (Tenerife, Spain) has hosted a Symposium of the International Astronomical Union on Planetary Nebulae (IAUS 283 Planetary Nebulae: an Eye to the Future; 25-29 July 2011).    

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NEAT (Nebular Empirical Analysis Tool): robust uncertainties on nebular abundance estimates

R. Wesson (1), D. Stock (1,2), P. Scicluna (1) (1) Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom. (2) Department of Physics and Astronomy, University of Western Ontario, London, Ontario N6A 3K7, Canada. … Continue reading

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[Fe III] lines in the planetary nebula NGC 2392

Yong Zhang (1), Xuan Fang (2), Xiao-Wei Liu (2,3), Sun Kwok (1) (1) Department of Physics, The University of Hong Kong, Hong Kong, China. (2) Department of Astronomy, School of Physics, Peking University, Beijing, China. (3) Kavli Institute for Astronomy and … Continue reading

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Probing the properties of nebular plasmas with optical and IR spectroscopy

M. J. Barlow (Dept of Physics & Astronomy, University College London) Ionized nebulae provide spectacular probes of conditions that cannot easily be recreated in the laboratory. Their spectra are dominated by dipole-forbidden transitions from ions of carbon, nitrogen, oxygen, neon … Continue reading

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