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Table 1.
Overview of all switches and parameters in the main configuration file of the GIST pipeline.
Config-Switch | Brief description |
---|---|
Main switches | |
DEBUG | Runs pipeline on one central line of pixels |
VORONOI | Performs Voronoi-binning on the data prior to the analysis |
GANDALF | Runs the GANDALF module (pyGandALF) on bins or spaxels |
SFH | Runs the SFH module (regularised pPXF) |
LINE_STRENGTH | Runs the LS module |
PARALLEL | Activates multiprocessing |
NCPU | Number of cores to use for multiprocessing |
General settings | |
RUN_NAME | Name of the analysis run |
IFU | Identifier of the read-in routine |
LMIN | Minimum rest-frame wavelength [Å] |
LMAX | Maximum rest-frame wavelength [Å] |
ORIGIN | Origin of the coordinate system [arcsec] |
REDSHIFT | Redshift of the system [z] |
SIGMA | Initial guess of velocity dispersion [km s−1] |
TARGET_SNR | Target signal-to-noise ratio for the binning |
MIN_SNR | Minimum signal-to-noise ratio per spaxel to be accepted for the Voronoi binning |
COVAR_VOR | Corrects for spatial correlations of the noise in the Voronoi binning process |
SSP_LIB | Defines the spectral template library |
NORM_TEMP | Normalises the spectral template library to obtain light- or mass-weighted results |
PPXF settings | |
MOM | Number of kinematic moments |
ADEG | Degree of the add. Legendre polynomial |
MDEG | Degree of the mult. Legendre polynomial |
MC_PPXF | Number of Monte Carlo simulations used to extract errors on the stellar kinematics |
GANDALF settings | |
FOR_ERRORS | Derives errors on the emission-lines |
REDDENING | Includes the effect of reddening by dust |
EBmV | De-reddens the spectra for the Galactic extinction in the direction of the target |
SFH settings | |
REGUL_ERR | Regularisation error (reciprocal of the pPXF keyword “REGUL”) |
FIXED | Fixes stellar kinematics to the results obtained with the PPXF module (See correspondent pPXF keyword) |
NOISE | Passes a constant noise vector to pPXF |
Line strength settings | |
CONV_COR | Resolution of the index measurement [Å] |
MC_LS | Number of Monte Carlo simulations used to extract errors on the LS indices |
SSP settings | |
NWALKER | Number of walkers for the MCMC algorithm (used for the conversion of indices to population properties) |
NCHAIN | Number of iterations in the MCMC algorithm (used for the conversion of indices to population properties) |
Notes. This file contains one line per galaxy in consideration.
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