=============
rejection_log
=============

:Summary: This file contains auxiliary output from the picca delta
    extraction: statistics on rejected forests
:Naming Convention: ``rejection_log.fits.gz``
:Regex: ``rejection_log\.fits\.gz``
:File Type: FITS

Contents
========

====== ============= ======== ========================
Number EXTNAME       Type     Contents
====== ============= ======== ========================
HDU0_  PRIMARY       PRIMARY  Empty
HDU1_  REJECTION_LOG BINTABLE Rejected forest statistics
====== ============= ======== ========================


FITS Header Units
=================

HDU0
----

This HDU has no non-standard required keywords.

Empty HDU.

HDU1
----

EXTNAME = REJECTION_LOG

Rejected forest statistics

Required Header Keywords
~~~~~~~~~~~~~~~~~~~~~~~~

.. collapse:: Required Header Keywords Table

    .. rst-class:: keywords

    ============= ================ ===== ===========================
    KEY           Example Value    Type  Comment
    ============= ================ ===== ===========================
    NAXIS1        104              int   table width
    NAXIS2        24719            int   number of rejected forests
    CHECKSUM      D7nUD5lTD5lTD5lT str   HDU checksum updated 2023-05-20T00:44:44
    DATASUM       231153411'       str   data unit checksum updated 2023-05-20T00:44:44
    ============= ================ ===== ===========================


Required Data Table Columns
~~~~~~~~~~~~~~~~~~~~~~~~~~~

.. rst-class:: columns

==================== ======== ===== ===================
Name                 Type     Units Description
==================== ======== ===== ===================
LOS_ID               int64          PICCA unique target ID
RA                   float64  rad   Target Right Ascension [radians]
DEC                  float64  rad   Target declination [radians]
Z                    float64        Redshift
MEANSNR              float64        mean signal-to-noise ratio
TARGETID             int64          Unique target ID
NIGHT                char[12]       Observation night(s)
PETAL                char[12]       Observation petal(s)
TILE                 char[12]       Observation tile(s)
FOREST_SIZE          int64          Number of pixels in the forest
REJECTION_STATUS     char[12]       Rejection status of forest
==================== ======== ===== ===================



Notes and Examples
==================

These files are generated with https://github.com/igmhub/picca/blob/master/bin/picca_delta_extraction.py
The code was run twice:

.. code-block:: bash

    picca_delta_extraction.py config/delta_extraction_ciii_step_1.ini
    picca_delta_extraction.py config/delta_extraction_lya.ini