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Table B.1.
XSL keyword dictionary (primary header).
| General topic | Data reduction step | Keyword | Description | Default value |
|---|---|---|---|---|
| General information | OBJECT | Machine-readable name of the star | ||
| HNAME | Human-readable name of the star | |||
| XSL_ID | X-shooter Spectral Library unique identifier | |||
| PROVi | Originating raw science file(s) | |||
| Data reduction | 1D extraction | EXT_AVG | Two 1D-spectra averaged | F |
| Response curve | CAL_STAR | Spectro-photometric standard star target | ||
| CAL_RAWi | Originating raw flux-standard file(s) | |||
| First flux calibration | FLUX_COR | First flux calibration applied | F | |
| Flux-loss correction | LOSS_COR | Correction for slit-losses applied in DR2 | F | |
| SPL_COR | Correction for slit-losses with a spline function applied in DR3 | F | ||
| STA_RAWi | Originating raw wide-slit file(s) | |||
| Characterization and quality assurance | Rest-frame correction | REST_COR | Correction to rest-frame applied | T |
| REST_UVB | UVB cz values(1) [in km s−1] | |||
| REST_VIS | VIS cz values(1) [in km s−1] | |||
| REST_NIR | NIR cz values(1) [in km s−1] | |||
| Barycor values | BARY_COR | Barycentric radial velocity correction value | ||
| Merging UVB, VIS, NIR spectra | S_U_VAL | UVB scaling factor value | ||
| S_U_ORI | UVB scaling factor reference | |||
| S_N_VAL | NIR scaling factor value | |||
| S_N_ORI | NIR scaling factor origin reference | |||
| ARM_ZERO | DR2 arm spectrum missing (zeros) | F | ||
| Galactic dust extinction | AV_VAL | Total extinction in V | ||
| AV_ORI | AV origin reference (interp.;interp/spline;reference) | |||
| Quality flags | SNR | Median signal-to-noise ratio | ||
| WAVY_UVB | Wavy spectrum between 460 and 520 nm | F | ||
| (suspected residuals of the blaze function) | ||||
| HAIR_VIS | Some narrow spikes in the VIS spectrum | F | ||
| NOIS_VIS | Noisy VIS spectrum | F | ||
| WAVY_VIS | Wavy in some part of the VIS spectrum | F | ||
| HAIR_NIR | Some narrow spikes in the NIR spectrum | F | ||
| WAVY_NIR | Wavy in some part of the NIR spectrum | F | ||
Notes to Table B.1. (1) The cz values are barycentric.
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