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Table 3.
Effect of constant vs. variable spectral index on derived field properties.
| SPIRE maps only |
SPIRE and PACS maps |
||||
|---|---|---|---|---|---|
| Variable | t | p | Variable | t | p |
| T | 0.69 | 0.497 | T | −0.13 | 0.895 |
| I | < 10−2 | 0.998 | I | < 10−2 | 0.999 |
| N(H2) | −1.73 | 0.091 | N(H2) | −3.57 | 0.001 |
| τ | −1.73 | 0.091 | τ | −3.57 | 0.001 |
Notes. Student-t test comparing the mean values of maps with constant and variable spectral index, for SPIRE maps only (Cols. 1–3) and SPIRE+PACS 160 μm maps (Cols. 4–6).
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