J/ApJ/667/1267 CrI transition probabilities (Sobeck+, 2007) ================================================================================ Improved laboratory transition probabilities for neutral chromium and redetermination of the chromium abundance for the Sun and three stars. Sobeck J.S., Lawler J.E., Sneden C. =2007ApJ...667.1267S ================================================================================ ADC_Keywords: Atomic physics Keywords: atomic data - stars: abundances - stars: Population II - Sun: abundances - Sun: general Abstract: Branching fraction measurements from Fourier transform spectra in conjunction with published radiative lifetimes are used to determine transition probabilities for 263 lines of neutral chromium. File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file table3.dat 78 263 Atomic transition probabilities for CrI organized by increasing wavelength in {lambda}_air_ -------------------------------------------------------------------------------- See also: J/MNRAS/390/733 : FTS reference UV wavelengths of CrIII (Smillie+, 2008) J/ApJ/700/720 : The 236.6-5400.0nm spectrum of CrI (Wallace+, 2009) J/A+A/524/A35 : Effective collision strengths of CrII (Wasson+, 2010) J/A+A/511/A68 : Transitions of CrII (Gurell+, 2010) J/ApJS/196/24 : Electron-impact excitation of CrII (Wasson+, 2011) Byte-by-byte Description of file: table3.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 7 F7.2 0.1nm lambda Wavelength in air in Angstroms 9- 16 F8.2 cm-1 EU Upper level energy 18- 25 A8 --- TermU Upper level term 27 I1 --- JU [0/6] Upper level J value 29- 36 F8.2 cm-1 EL Lower level energy 38- 45 A8 --- TermL Lower level term 47 I1 --- JL [0/6] Lower level J value 49 A1 --- N [N] Normalization line for LS calculation 51- 57 F7.3 10+6/s Acalc ? Transition probability from LS calculation 59- 65 F7.3 10+6/s Aexp Transition probability from Experiment 67- 72 F6.3 10+6/s e_Aexp Total uncertainty in TranP-Ex 74- 78 F5.2 [-] log(gf) Log of degeneracy * oscillator strength -------------------------------------------------------------------------------- History: From electronic version of the journal ================================================================================ (End) Greg Schwarz [AAS], Patricia Vannier [CDS] 27-Apr-2012