Output - Covariance Matrix of the Power Spectrum 2D Polar Product¶

Data product name¶

DpdLE3gcCovmatPKCov2Dpol

Data product custodian¶

LE3-GC

Data model tag¶

(TBD for SC8)

Name of the Schema file¶

euc-test-le3-gc-cmpk-cov-2Dpol.xsd

Schema documentation tag¶

0.1

Data product elements¶

Header:: object of type sys:genericHeader
Data:: object of type gc:covmatPkCov2Dpol
QualityFlags:: object of type dqc:sqfPlaceHolder
Parameters:: object of type ppr:genericKeyValueParameters

Processing Element(s) creating/using the data product¶

Creator: CM-PK-GC

Processing function using the data product¶

This is a SGS pipeline final output product to be used by SWGs.

Detailed description of the data product¶

This output product is the covariance and average of the 2D power spectrum calculated over the input data catalog in Polar coordinates. The product FITS file has 2 HDUs named AVERAGE and COVARIANCE containing a list of keywords that specify the configuration used and a binary table with PK values.

XML Keywords¶

The product contains the following keywords:

Statistics: Statistics used to evaluate PK
NFT: Number of grid Points
MASscheme: Mass Assignment Schema used for density fields
UseFKPweight: FKP weighting was enabled/disabled
UseInterlacing: Interlacing field usage enabled/disabled
BinType: Binning scale: LIN/LOG
BinNumDat: Number of bins
KminDat: Minimum K value of input products
KmaxDat: Maximum K value of input products
DeltaKDat: Bin size
BinNumWin: Number of bins
KminWin: Minimum K value of input products
KmaxWin: Maximum K value of input products
DeltaKWin: Bin size
BinNum2D: BIn number on 2nd dimension
ReconstructionID: Identirfier for the reconstruction used
CosmologyID: Identificator for the Cosmology used
ReleaseName: Name of the release
NumFiles: The number of realization used to compute the covariance
FileAdded: Name of the file added to the covariance computation
InputCross: TBD NO 2D cross spectrs foreseen in PK
CovarianceFile: FITS file with the 2D cartesian covariance

CovarianceFile FITS file¶

The FITS type le3.gc.cmpk.cov.2D.pol contains two binary table HDUs named AVERAGE COVARIANCE with the following structure:

HDU AVERAGE
Keywords	TELESCOP	Mission identifier [EUCLID]	string
	INSTRUME	PF producing this file [LE3GC]	string
	FILENAME	Name of FITS file	string
	Catalog information
	N_FILES	Number of PK products file added to the covariance	integer
	INPCROSS	[true/false] input spectra are cross-spectra	string
	PK information
	STAT	Statistics of PK [DOAFFT, YBCFFT, YSCFFT, YDS]	string
	NFT	Grid side points number	integer
	MAS	Mass Assignment Schema used [NGP. TSC, CIC]	string
	MAS_CORR	MAS correction enabled/disabled	string
	INTERLAC	Interlacing field enabled/disabled	string
	SN_CORR	Noise Correction enabled	string
	SCALE	Scale for binning (e.g. LINEAR)	string
	N_BIN	Number of bins in scale	integer
	K_MIN	Min value of scale	double
	K_MAX	Max value of scale	double
	DELTA_K	Bin Step in K-space	double
	N_MU_BIN	Number of bins in Mu	double
	RECON_ID	Identifier for the reconstruction used	string
	Cosmology information
	COSMO_ID	Identifier for the cosmology used	string
3 columns table
Columns	K	Wavenumber bin 1 dimension	FITS 1D
	MU	Wavenumber bin 2 dimension	FITS 1D
	AVERAGE	Pk averaged value per bin	FITS 1D

HDU COVARIANCE
Keywords	TELESCOP	Mission identifier [EUCLID]	string
	INSTRUME	PF producing this file [LE3GC]	string
	FILENAME	Name of FITS file	string
	Catalog information
	N_FILES	Number of PK products file added to the covariance	integer
	INPCROSS	[true/false] input spectra are cross-spectra	string
	PK information
	STAT	Statistics of PK [DOAFFT, YBCFFT, YSCFFT, YDS]	string
	NFT	Grid side points number	integer
	MAS	Mass Assignment Schema used [NGP. TSC, CIC]	string
	MAS_CORR	MAS correction enabled/disabled	string
	INTERLAC	Interlacing field enabled/disabled	string
	SN_CORR	Noise Correction enabled	string
	SCALE	Scale for binning (e.g. LINEAR)	string
	N_BIN	Number of bins in scale	integer
	K_MIN	Min value of scale	double
	K_MAX	Max value of scale	double
	DELTA_K	Bin Step in K-space	double
	N_MU_BIN	Bin Step in K-space	double
	RECON_ID	Identifier for the reconstruction used	string
	Cosmology information
	COSMO_ID	Identifier for the cosmology used	string
5 columns table NOTE scale I-I-J-J inverted ion this case (I-J-I-J)**
Columns	KI	Wavenumber bin scale 1 I	FITS 1D
	MU-I	Wavenumber bin scale 2 I	FITS 1D
	KJ	Wavenumber bin scale 1 J	FITS 1D
	MU-J	Wavenumber bin scale 2 J	FITS 1D
	COVARIANCE	Covariance value	FITS 1D