Table 4.
Empirical linear correlations (y = ax + b) between measured quantities for the UV line emitters.
| No. | y | a | x | b | rP | rS | Figure |
|---|---|---|---|---|---|---|---|
| 1 | log10[F(C IV)] | 0.8387 ± 0.0242 | log10[F(C III)] | 0.5056 ± 0.1167 | 0.9680 | 0.8970 | 6 |
| 2 | log10[F(He II)] | 0.8698 ± 0.0117 | log10[F(C III)] | −0.0988 ± 0.0548 | 0.9788 | 0.8901 | 6 |
| 3 | log10[F(O III)] | 0.9112 ± 0.0092 | log10[F(C III)] | 0.1238 ± 0.0437 | 0.9903 | 0.9529 | 6 |
| 4 | log10[F(Si III)] | 1.0111 ± 0.0071 | log10[F(C III)] | −0.5164 ± 0.0316 | 0.9937 | 0.9548 | 6 |
| 5 | log10[F(N V2)] | 0.8437 ± 0.0353 | log10[F(N V1)] | 0.5115 ± 0.1080 | 0.9556 | 0.9273 | B.1 |
| 6 | log10[F(C IV2)] | 1.0124 ± 0.0255 | log10[F(C IV1)] | 0.0010 ± 0.1050 | 0.9754 | 0.8978 | B.1 |
| 7 | log10[F(O III2)] | 1.0086 ± 0.0118 | log10[F(O III1)] | 0.2763 ± 0.0513 | 0.9893 | 0.9704 | B.1 |
| 8 | log10[F(Si III)] | 1.0463 ± 0.0085 | log10[F([Si III])] | −0.2825 ± 0.0339 | 0.9897 | 0.9418 | B.1 |
| 9 | log10[F(C III)] | 1.0049 ± 0.0063 | log10[F([C III])] | −0.1647 ± 0.0226 | 0.9855 | 0.9269 | B.1 |
| 10 | log10[EW0(N V)] | 1.0390 ± 0.3928 | log10[EW0(C III)] | 0.1618 ± 0.3046 | 0.0320 | −0.0952 | B.2 |
| 11 | log10[EW0(C IV)] | 1.4381 ± 0.2597 | log10[EW0(C III)] | −0.5146 ± 0.2271 | 0.4621 | 0.4472 | B.2 |
| 12 | log10[EW0(He II)] | 1.1769 ± 0.1866 | log10[EW0(C III)] | −0.7772 ± 0.1439 | 0.6701 | 0.6534 | B.2 |
| 13 | log10[EW0(O III)] | 0.8480 ± 0.0774 | log10[EW0(C III)] | −0.3058 ± 0.0686 | 0.8046 | 0.7781 | B.2 |
| 14 | log10[EW0(Si III)] | 0.8244 ± 0.0578 | log10[EW0(C III)] | −0.3243 ± 0.0445 | 0.9306 | 0.9019 | B.2 |
| 15 | log10[EW0(N V)] | −0.1085 ± 0.2627 | log10[EW0(Lyα)] | 1.3362 ± 0.3791 | 0.5471 | 0.3636 | 10 |
| 16 | log10[EW0(C IV)] | 1.0117 ± 0.2477 | log10[EW0(Lyα)] | −0.8186 ± 0.2693 | 0.4479 | 0.5199 | 10 |
| 17 | log10[EW0(He II)] | 0.8488 ± 0.0697 | log10[EW0(Lyα)] | −1.0449 ± 0.1029 | 0.7014 | 0.7244 | 10 |
| 18 | log10[EW0(O III)] | 0.7140 ± 0.0671 | log10[EW0(Lyα)] | −0.5714 ± 0.0983 | 0.4356 | 0.5915 | 10 |
| 19 | log10[EW0(Si III)] | 0.7870 ± 0.1190 | log10[EW0(Lyα)] | 0.8464 ± 0.1768 | 0.7175 | 0.8846 | 10 |
| 20 | log10[EW0(C III)] | 0.5971 ± 0.0459 | log10[EW0(Lyα)] | −0.1540 ± 0.0697 | 0.6248 | 0.7273 | 10 |
Notes. The best-fit parameters a and b were obtained with orthogonal distance regression (ODR) taking errors on both x and y into account, rP provides the Pearson correlation coefficient, and rS provides the Spearman’s rank correlation coefficient. The last columns provide references to figures of the different (non)correlations.
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