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 |