Table 2.
Covariance matrix for the Bayesian robust regression of the period-Wesenheit relations.
| α | β | σ | ν | |
|---|---|---|---|---|
| α | 3.24967949e−04 | −4.38328130e−04 | 1.46899174e−03 | −6.11806477e−05 |
| β | −4.38328130e−04 | 6.77959533e−04 | −2.16090433e−03 | 2.92371896e−05 |
| σ | 1.46899174e−03 | −2.16090433e−03 | 1.52551182e+00 | 1.10784521e−03 |
| ν | −6.11806477e−05 | 2.92371896e−05 | 1.10784521e−03 | 2.26928615e−03 |
| α | 3.08465117e−04 | −6.95175096e−04 | −2.30024957e−04 | −1.07183562e−04 |
| β | −6.95175096e−04 | 2.01753200e−03 | 2.93887199e−03 | 1.97729713e−04 |
| σ | −2.30024957e−04 | 2.93887199e−03 | 1.38204481e+00 | 2.73979159e−03 |
| ν | −1.07183562e−04 | 1.97729713e−04 | 2.73979159e−03 | 2.53117985e−03 |
Notes. α and β are the zero-point and the slope of the relations, σ their standard deviation and ν their normality parameter. The upper panel is for fundamental mode classical Cepheids and the lower panel for first-overtone classical Cepheids.
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