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Table 1.
Fits of ξCIV.
| Sample | a ± δa | b ± δb | c ± δc | rmsξ | d.o.f. |
|---|---|---|---|---|---|
| ξCIV, 1 ≈ 1/(b * (a − x)*|y|+c) | |||||
| A | −0.3093 0.1581 | 0.3434 0.0881 | 1.0763 0.0949 | 0.198 | 40 |
| B | 3.9224 14.1170 | 0.0206 0.0568 | 0.9845 0.0602 | 0.187 | 30 |
| A+B | −0.1805 0.2603 | 0.1978 0.0584 | 1.0117 0.0641 | 0.227 | 73 |
| ξCIV, 1 ≈ 1/(b * (a − x)*y + c) | |||||
| A | −0.4161 0.3325 | −0.1825 0.0693 | 1.3245 0.0919 | 0.222 | 40 |
| B | 28.967 496.591 | −0.0030 0.0486 | 1.0182 0.0449 | 0.187 | 30 |
| A+B | −0.1346 0.4991 | −0.1202 0.0467 | 1.1508 0.0510 | 0.238 | 73 |
| ξCIV, 2 ≈ 1/(a + b * x + c * y) | |||||
| A | 0.356 0.160 | −0.3480 0.0580 | −0.351 0.0814 | 0.199 | 40 |
| B | 1.080 0.126 | 0.0223 0.0416 | −0.0764 0.0515 | 0.186 | 30 |
| A+B | 0.7605 0.125 | −0.1460 0.0452 | −0.2204 0.0532 | 0.237 | 73 |
| ξCIV, 3 ≈ 1/(a − b * x * y) | |||||
| A | 1.3036 0.0884 | −0.1408 0.0481 | ... | 0.222 | 41 |
| B | 1.0343 0.0436 | −0.0463 0.0255 | ... | 0.187 | 31 |
| A+B | 1.1470 0.0488 | −0.1116 0.0288 | ... | 0.237 | 74 |
| ξCIV, AI ≈ 1/(b * (a − x)*z + c) | |||||
| A | −1.7004 0.5528 | −1.0575 0.4703 | 1.5515 0.1183 | 0.240 | 40 |
| B | −2.346 0.3153 | 0.7571 0.3026 | 1.1057 0.0413 | 0.184 | 30 |
| A+B | 5.147 21.138 | −0.1121 0.3292 | 1.2474 0.0501 | 0.257 | 73 |
Notes. x = log λLλ(1450)−48, for log λLλ(1450) ≲ 47.5 [ergs−1]; y= 
/1000, z = AI.
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