Data bank contents¶

Parameters¶

Parameters from Wrapper/param_all.ini are stored in upercase path names. These are not listed here. See Parameter file contents.

Data¶

Arrays are 1D unless stated otherwise. 00-ConvertFormats retrieves the data from the BCC.

Galaxies¶

path name	type	unit	description	provided by module	required by modules
/gal/coeffs	2D float array	none	coefficients of the template spectra	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra
/gal/dec_true	float array	degrees	true declination (frame?)	00-ConvertFormats	03-AllocateFibers
/gal/fiber_id	int array	none	to which fiber has the galaxy been assigned (-1 if none)	03-AllocateFibers
/gal/fiber_selection_flag	bool array	none	could the galaxy be covered by a fiber?	03-AllocateFibers	07-MeasureSpectroscopicRedshift
/gal/galaxy_index	int array	none	unique identifier	00-ConvertFormats
/gal/magnitude_{u,g,r,i,z,y}	float arrays	none	magnitudes in u,g,r,i,z,y filters	00-ConvertFormats	01-SelectTargets
/gal/ra_true	float array	degrees	true right ascension (frame?)	00-ConvertFormats	03-AllocateFibers
/gal/redshift_photometric	float array	none	redshift z as estimated from photometry (magnitudes)	00-ConvertFormats	01-SelectTargets, 07-MeasureSpectroscopicRedshift
/gal/redshift_spectroscopic	float array	none	redshift z as estimated by SPOKES (from spectrum)	07-MeasureSpectroscopicRedshift	08-BinRedshift
/gal/survey_selection_flag	bool array	none	does the galaxy lie in a tile?	02-TileSurvey	03-AllocateFibers
/gal/target_selection_flag	bool array	none	has the galaxy been selected as a target?	01-SelectTargets	02-TileSurvey
/gal/tile_id	int array	none	to which tile has each galaxy been assigned (-1 if none)	02-TileSurvey	03-AllocateFibers
/gal/visit_id	int array	none	on which pass of the tile has the galaxy been assigned to a fiber (-1 if none)	03-AllocateFibers
/gal/z_true	float array	none	true redshift (from BCC truth catalog)	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra, 07-MeasureSpectroscopicRedshift (for testing)

Atmosphere¶

path name	type	unit	description	provided by module	required by modules
/sky/background/power	float array	?	?	00-ConvertFormats	06-SimulateObservedGalaxySpectra
/sky/background/wave	float array	nanometer	?	00-ConvertFormats	06-SimulateObservedGalaxySpectra
/sky/extinction/power	float array	?	?	00-ConvertFormats	06-SimulateObservedGalaxySpectra
/sky/extinction/wave	float array	nanometer	?	00-ConvertFormats	06-SimulateObservedGalaxySpectra

Spectral templates¶

path name	type	unit	description	provided by module	required by modules
/spectral_templates/log10_wavelength	float array	log10 of Ångströms	logarithm to base 10 of the wavelength grid. The wavelength grid is in geometric progression, so the log grid is in linear progression	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra
/spectral_templates/lspec_v300	2D float array	?	?	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra
/spectral_templates/num_spectral_templates	int	none	number of templates	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra
/spectral_templates/template_spectrum_v0	2D float array	?	?	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra
/spectral_templates/template_spectrum_v0_nodust	2D float array	?	?	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra
/spectral_templates/template_spectrum_v0_nolines	2D float array	?	?	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra
/spectral_templates/template_spectrum_v0_nodust_nolines	2D float array	?	?	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra
/spectral_templates/template_spectrum_v300	2D float array	?	?	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra
/spectral_templates/template_spectrum_v300_nodust	2D float array	?	?	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra
/spectral_templates/template_spectrum_v300_nolines	2D float array	?	?	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra
/spectral_templates/template_spectrum_v300_nodust_nolines	2D float array	?	?	00-ConvertFormats	05-SimulateNoiseFreeGalaxySpectra

Noise¶

path name	type	unit	description	provided by module	required by modules
/spectrum_generator/lambda_survey	float array	Ångströms	wavelength grid (linear progression) over which the spectra are recorded	06-SimulateObservedGalaxySpectra	07-MeasureSpectroscopicRedshift

Data pertaining to module version "Hambrecht" of 06-SimulateObservedGalaxySpectra (adaptation of "Cunha"):

path name	type	unit	description	provided by module	required by modules
/spectrum_generator/{A,B,C,D}	float arrays	various	precomputed arrays entering into the noise amplitude formula	06-SimulateObservedGalaxySpectra (precomputing part)	06-SimulateObservedGalaxySpectra (function called from 07-MeasureSpectroscopicRedshift)
/spectrum_generator/E	float	?	precomputed scalar entering into the noise amplitude formula	06-SimulateObservedGalaxySpectra (precomputing part)	06-SimulateObservedGalaxySpectra (function called from 07-MeasureSpectroscopicRedshift)

Tiling¶

path name	type	unit	description	provided by module	required by modules
/tiling/airmass	float array	?	airmasses of the tiles	02-TileSurvey	06-SimulateObservedGalaxySpectra
/tiling/dec_{max,min}	floats	degrees	min/max declination of the survey field	02-TileSurvey	10-EstimateCosmologyParameters
/tiling/number_of_tiles	int	none	copied from parameter file for future reference	02-TileSurvey	03-AllocateFibers
/tiling/ra_{max,min}	floats	degrees	min/max right ascension of the survey field	02-TileSurvey	10-EstimateCosmologyParameters
/tiling/tile_centers_dec	float array	none	tile center's declination (in what reference frame?)	02-TileSurvey	03-AllocateFibers
/tiling/tile_centers_ra	float array	none	tile center's right ascension (in what reference frame?)	02-TileSurvey	03-AllocateFibers
/tiling/tile_id	int array	none	unique identifiers of the tiles	02-TileSurvey	03-AllocateFibers, 06-SimulateObservedGalaxySpectra
/tiling/tile_observation_time	array of ?	?	observation time of each tile	02-TileSurvey