Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005a%26a...439.1215a&link_type=abstract
Astronomy and Astrophysics, Volume 439, Issue 3, September I 2005, pp.1215-1227
Astronomy and Astrophysics
Astrophysics
9
Atomic Data, Atomic Processes
Scientific paper
Collision strengths for 4005 transitions among the lowest 90 levels of the (1s^22s^22p^6) 3s^23p^5, 3s3p^6, 3s^23p^43d, 3s3p^53d and 3s^23p^33d2 configurations of Fe X have been calculated using the Dirac Atomic R-matrix Code (DARC) of Norrington & Grant (2005, Comput. Phys. Commun., in preparation), over a wide energy range up to 210 Ryd. Resonances have been resolved in the threshold region, and effective collision strengths have been obtained over a wide temperature range up to 107 K. The present calculations should represent a significant improvement (in both range and accuracy) over the earlier available results of Bhatia & Doschek (1995, At. Data Nucl. Data Tables, 60, 97), Tayal (2001, ApJS, 132, 117) and Pelan & Berrington (2001, A&A, 365, 258). Based on several comparisons, the accuracy of our data is assessed to be better than 20%, for a majority of transitions.
Aggarwal Kanti M.
Keenan Francis P.
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