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Table 3.
Correlations between the activity indexes as defined in the text.
| X-index | Y-Index | ρ | z-score |
|---|---|---|---|
| S | Hα | −0.3865 ± 0.0320 | 4.925 ± 0.455 |
| S | Hβ | −0.6686 ± 0.0195 | 9.760 ± 0.425 |
| S | Hγ | −0.4619 ± 0.0280 | 6.036 ± 0.429 |
| S | Hδ | −0.0718 ± 0.0349 | 0.869 ± 0.423 |
| S | Hϵ | 0.6205 ± 0.0238 | 8.768 ± 0.467 |
| S | He I | −0.3921 ± 0.0298 | 5.004 ± 0.425 |
| S | Na I | 0.1582 ± 0.0322 | 1.927 ± 0.398 |
| Hα | Hβ | 0.4110 ± 0.0302 | 5.277 ± 0.439 |
| Hα | Hγ | 0.3088 ± 0.0325 | 3.856 ± 0.435 |
| Hα | Hδ | 0.0806 ± 0.0349 | 0.975 ± 0.424 |
| Hα | Hϵ | −0.1702 ± 0.0353 | 2.076 ± 0.440 |
| Hα | He I | 0.5519 ± 0.0261 | 7.502 ± 0.455 |
| Hα | Na I | 0.3377 ± 0.0311 | 4.246 ± 0.424 |
| Hβ | Hγ | 0.5911 ± 0.0231 | 8.205 ± 0.429 |
| Hβ | Hδ | 0.2051 ± 0.0331 | 2.514 ± 0.417 |
| Hβ | Hϵ | −0.3639 ± 0.0306 | 4.606 ± 0.426 |
| Hβ | He I | 0.2560 ± 0.0329 | 3.162 ± 0.426 |
| Hβ | Na I | −0.1618 ± 0.0349 | 1.971 ± 0.433 |
| Hγ | Hδ | 0.1504 ± 0.0342 | 1.831 ± 0.423 |
| Hγ | Hϵ | −0.2168 ± 0.0334 | 2.661 ± 0.423 |
| Hγ | He I | 0.2270 ± 0.0336 | 2.791 ± 0.428 |
| Hγ | Na I | −0.0524 ± 0.0350 | 0.634 ± 0.424 |
| Hδ | Hϵ | −0.0120 ± 0.0356 | 0.144 ± 0.430 |
| Hδ | He I | 0.0092 ± 0.0352 | 0.111 ± 0.426 |
| Hδ | Na I | −0.0400 ± 0.0349 | 0.484 ± 0.423 |
| Hϵ | He I | −0.2611 ± 0.0333 | 3.229 ± 0.432 |
| Hϵ | Na I | 0.1386 ± 0.0339 | 1.685 ± 0.418 |
| He I | Na I | 0.6926 ± 0.0200 | 10.302 ± 0.463 |
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