.. _MERTrueUniverseGalaxyCatalog:


True Universe Galaxy Catalog Product
====================================

$SetSchemaPath mer/euc-mer-TrueUniverseGalaxyCatalog.xsd


Data Product Name
_________________
.. DataProductNameStart

$PrintDataProductName

.. DataProductNameEnd


Data Product Custodian
______________________
.. DataProductCustodianStart

$PrintDataProductCustodian

.. DataProductCustodianEnd


Name of the Schema File
_______________________
.. NameSchemaStart

$PrintSchemaFilename

.. NameSchemaEnd


Last Edited for DPDD Version
____________________________
.. DpddVersionlTagStart

1.2

.. DpddVersionTagEnd


Processing Elements Creating / Updating / Using the Product
___________________________________________________________
.. PECreatorStart

**Creators:**

* None. This is an input product that is generated some dedicated scripts from a list of SIM True Universe :ref:`SIMGalaxyCatalogProduct`\s.

**Consumers:**

* MER_Validation

.. PECreatorEnd


Processing Function Using the Product
_____________________________________
.. PFUsingStart

MER

.. PFUsingEnd


Proposed for Inclusion in EAS/SAS
_________________________________
.. IncludeInSASStart

This product is proposed for inclusion in the SAS: no

This catalog contains simulated sources and not real sources.

.. IncludeInSASEnd

Data Product Elements
_____________________
.. DataProductElementsStart

$PrintDataProductElements

.. DataProductElementsEnd


Detailed Description of the Data Product
________________________________________
.. DetailedDescStart

This catalog contains all the sources from the SIM True Universe :ref:`SIMGalaxyCatalogProduct`\s
that overlap the inner core area of a given MER tile. This product is intended
to be used as an input product for the MER analysis pipeline.

The main elements inside this product are:

* **SpatialCoverage**: The catalog spatial coverage.
* **SpectralCoverage**: The catalog spectral coverage with a list of the filters
  that were used to produce the catalog (e.g., VIS, NIR_Y, NIR_J, NIR_H,
  DECAM_g, LSST_g).
* **TileIndex**: The MER tile index.
* **PatchIdList** (optional): The sky patch ids associated to the product.
* **ObservationIdList** (optional): List of unique IDs identifying the Euclid
  observations that were used to generate the product.
* **CalblockIdList** (optional): The calibration block ids associated to the
  product.
* **Release**: The SIM True Universe galaxy catalog release version.
* **DataStorage**: Element that links to a FITS file containing the catalog 
  data set.

These are the columns contained in the main catalog FITS file:

$PrintCatalog fit/euc-sim.xml sim.galaxyCatalog

.. DetailedDescEnd