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Table 1
Computed parameters for testing variability.
| Parameter | NTT(Mar) | NTT | CA | NOT | |
| N 1-3 | N 4 | (Oct.) | |||
|
|
|||||
| # calibrators | 344 | 220 | 306 | 412 | 40 |
| s | 0.14 | 0.14 | 0.14 | 0.15 | –0.003 |
| C AGN | 0.10 | 0.10 | 0.10 | 0.09 | 0.02 |
| σ K 0 | 0.023 | 0.053 | 0.027 | 0.062 | 0.038 |
| σ c | 0.019 | 0.014 | 0.038 | 0.034 | 0.001 |
| ⟨ VL ⟩ | 0.101 | 0.182 | 0.208 | 0.275 | 0.152 |
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