Table 3.
Correlation between IR excess and Hα EW at different wavelengths.
| Band | Correlation coefficient (r) | A | B |
|---|---|---|---|
| J (1.24 μm) | 0.41 | 0.15 ± 0.03 | 0.025 ± 0.034 |
| H (1.66 μm) | 0.56 | 0.32 ± 0.03 | 0.0024 ± 0.0478 |
| Ks (2.16μm) | 0.60 | 0.48 ± 0.05 | 0.046 ± 0.066 |
| W1 (3.4 μm) | 0.57 | 0.64 ± 0.07 | 0.15 ± 0.10 |
| W2 (4.6 μm) | 0.57 | 0.78 ± 0.09 | 0.24 ± 0.12 |
| W3 (12 μm) | 0.52 | 0.93 ± 0.12 | 0.79 ± 0.16 |
| W4 (22μm) | 0.41 | 0.71 ± 0.12 | 2.05 ± 0.17 |
Notes. Correlation between IR excess (defined as a flux ratio, Fobserved/FCK) and Hα EW at different wavelengths for all the sources. The coefficients are defined by: log(Fobserved/FCK) = A log(|EW|) + B. The Ks band, with the higher correlation, and the W4 band are in bold; both are shown in Fig. 7.
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