Open Access
Table A.1
Employed data cleaning procedures for JIRAM and NIRSpec.
| Parameter | Value | Reference |
|---|---|---|
| NIRSpec data cleaning | ||
| Preliminary reduction | JWSTGiantPlanets/pipelines | King et al. (2023) |
| G235H - G395H aligning condition | 0.2° | |
| Maximum allowed NaN per spectrum | 1999 | |
| Wavelengths removed | [[1.66,1.8], [2.17,2.5], [3.95,4.25], [4.73,5.2]] | |
| Interpolation of remaining NaN | CubicSpline | Virtanen et al. (2020) |
| Viewing conditions | 20° < i < 40°, 20° < ε < 40° | |
| Total number of cleaned spectra | 8292 | |
| JIRAM data cleaning | ||
| Viewing conditions G21 subset | 40° < i < 50°, 40° < ε < 50° | |
| Viewing conditions GRS subset | 20° < i < 40°, 50° < ε < 80° | |
| Spike detection threshold | 5 | Whitaker & Hayes (2018) |
| Total number of cleaned spectra G21 subset | 11180 | |
| Total number of cleaned spectra GRS subset | 3763 | |
| PCA+GMM with chopper.py | ||
| Default PCA explained variance threshold | 95 % | |
| Default number of clusters | Elbow method with k-means | |
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