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. =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: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- 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 -------------------------------------------------------------------------------- Byte-by-byte Description of file: table1.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 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) energy level -------------------------------------------------------------------------------- Byte-by-byte Description of file: table2.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 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 f_L_ value 90- 94 F5.3 --- fV The present velocity form of oscillator strength f_V_ value 96-102 E7.2 s-1 AL The present length form of transition probability A_L_ value 104-110 E7.2 s-1 AV The present velocity form of transition probability A_V_ value 112-116 F5.3 --- fLH ? Hibbert et al. (1991A&AS...88..505H) length form of oscillator strength f_L_ value 118-122 F5.3 --- fVH ? Hibbert et al. (1991A&AS...88..505H) velocity form of oscillator strength f_V_ value -------------------------------------------------------------------------------- Byte-by-byte Description of file: table3.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 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 -------------------------------------------------------------------------------- History: From electronic version of the journal ================================================================================ (End) Greg Schwarz [AAS], Marianne Brouty [CDS] 01-Mar-2007