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recipe_create_sky Overview

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Attribute nameAttribute typeDocstringUnit
crsigmastrSigma level clipping for cube-based and spectrum-based CR rejection. This has to be a string of two comma-separated floating-point numbers. The first value gives the sigma-level rejection for cube-based CR rejection (using "median", see muse_scipost), the second value the sigma-level for spectrum-based CR cleaning. Both can be switched off, by passing zero or a negative value.
csamplingfloatSpectral sampling of the continuum spectrum [Angstrom].
fractionfloatFraction of the image (without the ignored part) to be considered as sky. If an input sky mask is provided, the fraction is applied to the regions within the mask. If the whole sky mask should be used, set this parameter to 1.
ignorefloatFraction of the image to be ignored. If an input sky mask is provided, the fraction is applied to the regions within the mask. If the whole sky mask should be used, set this parameter to 0.
lambdamaxfloatCut off the data above this wavelength after loading the pixel table(s).
lambdaminfloatCut off the data below this wavelength after loading the pixel table(s).
lambdareffloatReference wavelength used for correction of differential atmospheric refraction. The R-band (peak wavelength ~7000 Angstrom) that is usually used for guiding, is close to the central wavelength of MUSE, so a value of 7000.0 Angstrom should be used if nothing else is known. A value less than zero switches DAR correction off.
object_idoidtypeThe object identifier

The object identifier is an attribute shared by all persistent
instances. It is the prime key, by which object identity is established
recipe_versionintVersion of the recipe
samplingfloatSpectral sampling of the sky spectrum [Angstrom].

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