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Table 2.
Definitions.
| Term | Description |
|---|---|
| ⋅F | Filter index. |
| ⋅i | Colour index. |
| ⟨ ⋅ ⟩ | Average over all SNe. |
 |
Colour i before ewSi and ewCa corrections. |
| ci | Colour i after ewSi and ewCa corrections. |
| ei | Excess ei = ci − ⟨ci⟩. |
| Ii | Intrinsic component of colour i. |
| Xi | Extinction component of colour i. |
| ϵi | Residual of the colour description by the model. |
 |
Magnitude increase from extinction by host (from the extinction formula) in bandpass F. |
| AF | Same as previous after modification of the extinction formula value. |
| δij(RV) | Relates extinctions in colours j and i using the extinction formula (Sect. 5.4). |
 |
Ratio of the magnitude extinction in bandpass F to the extinction component of colour j (Eq. (12)). |
| RFj(RV) | Same as previous after rescaling (Sect. 4.2.2). |
| γij | Relates the intrinsic colours j and i (free parameters to be found). |
| σi | Partial derivative of colour ci on ewSi, ∂ci/∂ewSi. |
| κi | Partial derivative of colour ci on ewCa, ∂ci/∂ewCa. |
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