========================================================================== J/ApJS/188/32 Breit-Pauli transition probabilities (Tayal+, 2010) The following files can be converted to FITS (extension .fit or fit.gz) table1.dat table4.dat table5.dat ========================================================================== Query from: http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=J/ApJS/188/32 ==========================================================================
drwxr-xr-x 10 cats archive 4096 Jan 29 2012 [Up] drwxr-xr-x 2 cats archive 4096 May 12 09:55 [TAR file] -rw-r--r-- 1 cats archive 488 Jul 29 2010 .message -r--r--r-- 1 cats archive 5945 Jul 29 2010 ReadMe -r--r--r-- 1 cats archive 4925 Jul 14 2010 table1.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 73328 Jul 14 2010 table4.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 227010 Jun 17 2010 table5.dat [txt] [txt.gz] [fits] [fits.gz] [html]
Beginning of ReadMe : J/ApJS/188/32 Breit-Pauli transition probabilities for SII (Tayal+, 2010) ================================================================================ Breit-Pauli transition probabilities and electron excitation collision strengths for singly ionized sulfur. Tayal S.S., Zatsarinny O. <Astrophys. J. Suppl. Ser., 188, 32-45 (2010)> =2010ApJS..188...32T ================================================================================ ADC_Keywords: Atomic physics Keywords: atomic data - atomic processes Abstract: New improved calculations are reported for transition probabilities and electron impact excitation collision strengths for the astrophysically important lines in SII. The collision strengths have been calculated in the close-coupling approximation using the B-spline Breit-Pauli R-matrix method. The multiconfiguration Hartree-Fock method with term-dependent non-orthogonal orbitals is employed for an accurate representation of the target wave functions. The close-coupling expansion includes 70 bound levels of SII covering all possible terms of the ground 3s^2^3p^3^ and singly excited 3s3p^4^, 3s^2^3p^2^3d, 3s^2^3p^2^4s, and 3s^2^3p^2^4p configurations. The present calculations are more extensive than previous ones, leading to a total 2415 transitions between fine-structure levels. The effective collision strengths are obtained by averaging the electron collision strengths over a Maxwellian distribution of velocities and these are tabulated for all fine-structure transitions at electron temperatures in the range from 5000 to 100000K. The present results are compared with a variety of other close-coupling calculations and available experimental data. There is an overall good agreement with the recent 18-state calculations by Ramsbottom, Bell, & Stafford and with the 19-state calculations by Tayal for the most part, but some significant differences are also noted for some transitions.
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