J/ApJS/163/207 Oscillator and collision strengths in NI (Tayal+, 2006)
New accurate oscillator strengths and electron excitation collision strengths
for N I.
Tayal S.S.
<Astrophys. J. Suppl. Ser., 163, 207-223 (2006)>
=2006ApJS..163..207T 2006ApJS..163..207T
ADC_Keywords: Atomic physics
Keywords: atomic data - atomic processes
Abstract:
The nonorthogonal orbitals technique in a multiconfiguration
Hartree-Fock approach is used to calculate oscillator strengths and
transition probabilities of NI lines.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 66 50 Calculated and experimental energy levels of NI
table2.dat 122 88 Oscillator strengths and transition probabilities
of allowed transitions in NI
table3.dat 88 559 Effective collision strengths for transitions in NI
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- Index Index
4- 29 A26 --- Trans Transition term
31- 33 A3 --- J The J quantum orbital number
35- 41 F7.5 Ry Eexp Experimental energy level
43- 49 F7.5 Ry E Present result energy level
51- 58 F8.5 Ry Diff Difference between Exp-Eng and PR-Eng
60- 66 F7.5 Ry Et ? Tayal (2000ADNDT..76..191T 2000ADNDT..76..191T) energy level
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- i Index of initial level
4- 5 I2 --- j Index of final level
7- 32 A26 --- Transi Initial level transition
34 A1 --- --- [-]
36- 65 A30 --- Transj Final level transition
67- 69 A3 --- J The J quantum number of initial level
71- 73 A3 --- J' The J' quantum number of final level
75- 82 F8.2 0.1nm lambda Wavelength in units of Angstroms
84- 88 F5.3 --- fL The present length form of oscillator strength
fL value
90- 94 F5.3 --- fV The present velocity form of oscillator strength
fV value
96-102 E7.2 s-1 AL The present length form of transition probability
AL value
104-110 E7.2 s-1 AV The present velocity form of transition probability
AV value
112-116 F5.3 --- fLH ? Hibbert et al. (1991A&AS...88..505H 1991A&AS...88..505H) length form
of oscillator strength fL value
118-122 F5.3 --- fVH ? Hibbert et al. (1991A&AS...88..505H 1991A&AS...88..505H) velocity
form of oscillator strength fV value
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- i i index of transition
3 A1 --- --- [-]
4- 5 I2 --- j j index of transition
7- 14 F8.2 0.1nm lambda ? Wavelength in units of Angstroms
16- 20 F5.3 --- CS0.5 Effective collision strength at 0.5E+3K
22- 26 F5.3 --- CS1 Effective collision strength at 1.0E+3K
28- 32 F5.3 --- CS2 Effective collision strength at 2.0E+3K
34- 39 F6.3 --- CS3 Effective collision strength at 3.0E+3K
41- 46 F6.3 --- CS5 Effective collision strength at 5.0E+3K
48- 53 F6.3 --- CS7.5 Effective collision strength at 7.5E+3K
55- 60 F6.3 --- CS10 Effective collision strength at 10.0E+3K
62- 67 F6.3 --- CS15 Effective collision strength at 15.0E+3K
69- 74 F6.3 --- CS20 Effective collision strength at 20.0E+3K
76- 81 F6.3 --- CS30 Effective collision strength at 30.0E+3K
83- 88 F6.3 --- CS50 Effective collision strength at 50.0E+3K
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History:
From electronic version of the journal
(End) Greg Schwarz [AAS], Marianne Brouty [CDS] 01-Mar-2007