VizieR

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J/A+A/600/A85
  He-like ions (Z=20-42) effective collision strengths (Si+, 2017)
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1.J/A+A/600/A85/table1Effective collision strengths (26835 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Z  Atomic number (meta.id;meta.main)
  i  Lower level index (meta.code;spect.index;phys.atmol.level)
  Leveli (char) Lower level identification, n SLJ ≡ 1snl SLJ (meta.id;phys.atmol.level)
  j  Upper level index (meta.code;spect.index;phys.atmol.level)
  Levelj (char) Upper level identification, n SLJ ≡ 1snl SLJ (meta.id;phys.atmol.level)
  DeltaE eV Transition energy difference (phys.energy;phys.atmol.transition)
  Aji s-1 (n) Sum of E1, M1, E2, and M2 transition rates for transition i-j (phys.atmol.transProb;phys.atmol.transition)
  ECS1k  Effective collision strengths for transition i-j at electron temperature of (Z-1)2*103K (phys.atmol.collStrength)
  ECS2k  Effective collision strengths for transition i-j at electron temperature of (Z-1)2*2*103K (phys.atmol.collStrength)
  ECS5k  Effective collision strengths for transition i-j at electron temperature of (Z-1)2*5*103K (phys.atmol.collStrength)
  ECS10k  Effective collision strengths for transition i-j at electron temperature of (Z-1)2*104K (phys.atmol.collStrength)
  ECS20k  Effective collision strengths for transition i-j at electron temperature of (Z-1)2*2*104K (phys.atmol.collStrength)
  ECS50k  Effective collision strengths for transition i-j at electron temperature of (Z-1)2*5*104K (phys.atmol.collStrength)
  ECS100k  Effective collision strengths for transition i-j at electron temperature of (Z-1)2*105K (phys.atmol.collStrength)
  ECS200k  Effective collision strengths for transition i-j at electron temperature of (Z-1)2*2*105K (phys.atmol.collStrength)
  ECS500k  Effective collision strengths for transition i-j at electron temperature of (Z-1)2*5*105K (phys.atmol.collStrength)
  ECS1000k  Effective collision strengths for transition i-j at electron temperature of (Z-1)2*106K (phys.atmol.collStrength)
  ECS2000k  Effective collision strengths for transition i-j at electron temperature of (Z-1)2*2*106K (phys.atmol.collStrength)

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