Output - 2D Cartesian [2D Cartesian and Projected Auto-correlation Product]¶

Data product name¶

DpdLE3gcTwoPointAutoCorrCart

Data product custodian¶

LE3-GC

Data model tag¶

(TBD for SC8)

Name of the Schema file¶

euc-test-le3-gc-2pcf-auto-cart.xsd

Schema documentation tag¶

0.1

Data product elements¶

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

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

Creator: 2PCF-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 2D Cartesian and projected two-point auto-correlation function at different separation scales. The product contains 3 FITS files: one for the 2D pair counts, one for the 2D Cartesian two-point auto-correlation function and one for the projected two-point auto-correlation function.

XML Keywords¶

The product contains the following keywords:

DataCatalog: Name of input DATA catalog
RandCatalog: Name of input RANDOM catalog
CountingMethod: Counting method [LINKED_LIST, KD_TREE]
BinTypeDim1: Binning scale type in dim 1 [LIN, LOG]
BinNumberDim1: Number of bins in scale in dim 1
BinMinValueDim1: Minimum separation scale in dim 1 Mpc/h
BinMaxValueDim1: Maximum separation scale in dim 1 Mpc/h
BinTypeDim2: Binning scale type in dim 2 [LIN, LOG]
BinNumberDim2: Number of bins in scale in dim 2
BinMinValueDim2: Minimum separation scale in dim 2 Mpc/h
BinMaxValueDim2: Maximum separation scale in dim 2 Mpc/h
PiMax: Maximum parallel separation up to which the 2D Cartesian correlation function is integrated to compute the projected correlation function
UseWeight: Use object weight in the computation [true/false]
SplitFactor: Number of random sub-catalogs used for RR computation
CosmologyID: Identifier for the cosmology used
ReleaseName: Name of the release
PairsFile: FITS file with 2D pair counts
CorrelationFile: FITS file with the 2D cartesian auto correlation
CorrelationFileProjected: FITS file with the projected auto correlation

PairsFile FITS file¶

The FITS type le3.gc.2pcf.auto.pair.2D contains one binary table HDU named PAIRS with the following structure:

HDU PAIRS
Keywords	TELESCOP	Mission identifier [EUCLID]	string
	INSTRUME	PF producing this file [LE3GC]	string
	FILENAME	Name of FITS file	string
	Catalog information
	D_NAME	Name of the data (real) catalog	string
	D_ID	Identifier for the data (real) catalog	string
	D_NOBJ	Number of objects in the data (real) catalog	integer
	R_NAME	Name of the random catalog	string
	R_ID	Identifier for the random catalog	string
	R_NOBJ	Number of objects in the random catalog	integer
	2PCF information
	METHOD	Partitioning method [LINKED_LIST, KD_TREE]	string
	BIN1TYPE	Scale for binning dim 1 [LIN, LOG]	string
	BIN1NUM	Number of bins in scale dim 1	integer
	BIN1MIN	Min value of scale dim 1	double
	BIN1MAX	Max value of scale dim 1	double
	BIN2TYPE	Scale for binning dim 2 [LIN, LOG]	string
	BIN2NUM	Number of bins in scale dim 2	integer
	BIN2MIN	Min value of scale dim 2	double
	BIN2MAX	Max value of scale dim 2	double
	WEIGHT	Object weight use in computation [true, false]	string
	SPLIT	Number of R subcatalogs in computation	integer
	PAIR_DD	Number of DD pairs	double
	PAIR_DR	Number of DR pairs	double
	PAIR_RR	Number of RR pairs	double
	Cosmology information
	COSMO_ID	Identifier for the cosmology used	string
5 columns table
Columns	SCALE_1D	Distance separation dim 1 scale	FITS 1D
	SCALE_2D	Distance separation dim 2 scale	FITS 1D
	DD	Number of weighted DD pairs	FITS 1D
	DR	Number of weighted DR pairs	FITS 1D
	RR	Number of weighted RR pairs	FITS 1D

CorrelationFile2D FITS file¶

The FITS type le3.gc.2pcf.auto.corr.2D contains one binary table HDU named CORRELATION with the following structure:

HDU CORRELATION
Keywords	TELESCOP	Mission identifier [EUCLID]	string
	INSTRUME	PF producing this file [LE3GC]	string
	FILENAME	Name of FITS file	string
	Catalog information
	D_NAME	Name of the data (real) catalog	string
	D_ID	Identifier for the data (real) catalog	string
	D_NOBJ	Number of objects in the data (real) catalog	integer
	R_NAME	Name of the random catalog	string
	R_ID	Identifier for the random catalog	string
	R_NOBJ	Number of objects in the random catalog	integer
	2PCF information
	METHOD	Partitioning method [LINKED_LIST, KD_TREE]	string
	BIN1TYPE	Scale for binning dim 1 [LIN, LOG]	string
	BIN1NUM	Number of bins in scale dim 1	integer
	BIN1MIN	Min value of scale dim 1	double
	BIN1MAX	Max value of scale dim 1	double
	BIN2TYPE	Scale for binning dim 2 [LIN, LOG]	string
	BIN2NUM	Number of bins in scale dim 2	integer
	BIN2MIN	Min value of scale dim 2	double
	BIN2MAX	Max value of scale dim 2	double
	WEIGHT	Object weight use in computation [true, false]	string
	SPLIT	Number of R subcatalogs in computation	integer
	Cosmology information
	COSMO_ID	Identifier for the cosmology used	string
3 columns table
Columns	SCALE_1D	Distance separation dim 1 scale	FITS 1D
	SCALE_2D	Distance separation dim 2 scale	FITS 1D
	XI	2D cartesian auto correlation	FITS 1D

CorrelationFileProjected FITS file¶

The FITS type le3.gc.2pcf.auto.corr.proj contains one binary table HDU named CORRELATION with the following structure:

HDU CORRELATION
Keywords	TELESCOP	Mission identifier [EUCLID]	string
	INSTRUME	PF producing this file [LE3GC]	string
	FILENAME	Name of FITS file	string
	Catalog information
	D_NAME	Name of the data (real) catalog	string
	D_ID	Identifier for the data (real) catalog	string
	D_NOBJ	Number of objects in the data (real) catalog	integer
	R_NAME	Name of the random catalog	string
	R_ID	Identifier for the random catalog	string
	R_NOBJ	Number of objects in the random catalog	integer
	2PCF information
	METHOD	Partitioning method [LINKED_LIST, KD_TREE]	string
	BIN1TYPE	Scale for binning dim 1 [LIN, LOG]	string
	BIN1NUM	Number of bins in scale dim 1	integer
	BIN1MIN	Min value of scale dim 1	double
	BIN1MAX	Max value of scale dim 1	double
	BIN2TYPE	Scale for binning dim 2 [LIN, LOG]	string
	BIN2NUM	Number of bins in scale dim 2	integer
	BIN2MIN	Min value of scale dim 2	double
	BIN2MAX	Max value of scale dim 2	double
	PI_MAX	Maximum parallel separation for projection	double
	WEIGHT	Object weight use in computation [true, false]	string
	SPLIT	Number of R subcatalogs in computation	integer
	Cosmology information
	COSMO_ID	Identifier for the cosmology used	string
2 columns table
Columns	SCALE	Distance separation dim 1 scale	FITS 1D
Columns	XI	Projected auto correlation	FITS 1D

Note

In the 2D Cartesian product, the separation bins in the first dimension are the components along the perpendicular direction to the line of sight while the separation bins in the second dimension are the components along the parallel direction to the line of sight.