Galaxy Membership Output Product

Data Product Name

DpdLE3clAssociations

Data Product Custodian

CLAMICO

Name of the Schema File

euc-le3-cl-amico-members.xsd

Last edited for DPDD version

1.1

Processing Element(s) creating/using the data product

Creators:

• DET-CL

Consumers:

• DET-CL

Processing function using the data product

• LE3, “DET-CL” pipeline

Data Product Elements

Header:

object of type sys:genericHeader

Data:

object of type cl:associationsAMICOClusters

QualityFlags:

object of type dqc:sqfPlaceHolder

Parameters:

object of type ppr:genericKeyValueParameters

Detailed Description of the Data Product

Data Product “Associations” from PF DET-CL AMICO. This data product contains the list of the membership associations of the (input catalogue) galaxies in the (output) detected clusters. This data product will only be produced by AMICO detection code.

Keywords

This fits file is expected to contain the following keywords in the data table HDU, characterizing the important parameters of the product:

1. DET_CODE: Name of the cluster detection algorithm (currently, AMICO is the only possible value)

2. MODEL_ID: an identifier of the cluster model used in the filtering procedure of the detectin

3. SNR_THR: the S/N threshold for extracting a cluster detection

4. MAX_NB: the maximum number of structures to which a galaxy can be associated

5. MIN_PROB: the minimum probability for the association to be saved in this catalog

6. MEMB_CODE: Name of the membership assignment code (here “AMICO”. May also be “PMEM” or “RS” if issued from RICH-CL)

Table

The detclMembers table is expected to contain the following columns, for each detected cluster:

1. OBJECT_ID : Galaxy identifier, as it appears in detclGalaxies (see Galaxy catalogue Input Product)

2. ID_CLUSTER: identifier of the associated detected cluster, as it appears out of detclAMICOClusters.

3. P_CLUSTER : probability (0 <= p <= 1) of the galaxy membership in cluster ID_CLUSTER