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Table 3:

Atomic parameters of the spectral lines used for each element.
Species $\lambda$ $\chi$l log $\it {gf}$ EW (mÅ) EW (mÅ)
        CoRoT-2 CoRoT-4
Na  I 5688.22 2.10 -0.678 133.7 110.3
  6154.23 2.10 -1.602 43.0 29.6
  6160.75 2.10 -1.316 64.0 43.0
Mg  I 5711.09 4.48 -1.706 120.0 96.0
  6318.72 5.21 -1.996   36.0
Al  I 7835.31 4.02 -0.738 43.0 30.0
  7836.13 4.02 -0.569 55.0 50.0
Si  I 5665.56 4.92 -1.980 50.1 33.0
  5948.55 5.08 -1.197   81.8
  6142.49 5.62 -1.518 35.3 28.0
  6145.02 5.62 -1.420 41.0  
  6721.84 5.86 -1.152 52.8 48.0
Ca  I 5581.97 2.52 -0.728 122.8 92.0
  5590.12 2.52 -0.815   82.0
  5867.56 2.93 -1.599 33.0  
  6166.44 2.52 -1.171 84.0 63.0
  6169.05 2.52 -0.812 113.6 90.0
  6169.56 2.52 -0.567 145.7 103.0
  6455.60 2.52 -1.420 72.1 45.0
  6471.66 2.53 -0.848 118.0 86.0
Sc  II 5526.82 1.77 0.111 85.0 83.0
  6245.65 1.51 -1.051 37.0 33.0
  6604.60 1.36 -1.146   41.5
Ti  I 5219.70 0.02 -2.268 46.4  
  5299.99 1.05 -1.425 29.4 16.0
  5866.46 1.07 -0.827 70.0 34.0
  6126.22 1.07 -1.398 32.7 12.0
  6258.11 1.44 -0.450 59.9  
Cr  I 5296.70 0.98 -1.411 115.0 84.0
  5300.75 0.98 -2.149 70.0 51.0
  5345.81 1.00 -1.036   106.5
  5348.33 1.00 -1.301   88.0
  5783.87 3.32 -0.220 60.0 40.0
  5787.93 3.32 -0.178 55.0 43.0
Mn  I 4265.92 2.94 -0.442   52.6
  4470.13 2.94 -0.585   43.0
  5399.47 3.85 -0.098 44.2  
  5432.54 0.00 -3.636 60.0 33.0
Ni  I 5084.11 3.68 -0.169 106.0 86.8
  6327.60 1.68 -3.100 43.2 38.1
  6643.64 1.68 -2.020 111.0 92.3
  6767.77 1.83 -2.170 91.0 77.5
  6772.32 3.66 -0.959 54.8 49.4
  7788.93 1.95 -1.951 101.2 88.3
Zn  I 4722.16 4.03 -0.390 68.0 70.0
  4810.53 4.08 -0.310 87.0 75.0
Ba  II 5853.69 0.60 -0.848 90.5 75.0
  6141.73 0.70 0.146 160.0 130.0
  6496.90 0.60 -0.222 136.0 109.0

Notes. Column 1: element; Col. 2: wavelength (in Å ); Col. 3: excitation energy of the lower energy level in the transition (in eV); Col. 4: oscillator strengths based on an inverse solar analysis.; Col. 5: EW for CoRoT-2; Col. 6: EW for CoRoT-4.


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