PDS_VERSION_ID     = PDS3
RECORD_TYPE        = STREAM
PRODUCT_ID         = "AAREADME.TXT"

OBJECT             = TEXT
  NOTE             = "AAREADME file for the OSIRIS 
                      RO-C-OSINAC-2-EXT3-67PCHURYUMOV-M35-V4.0 dataset"
  PUBLICATION_DATE = 2022-12-01
END_OBJECT         = TEXT

END

1. Introduction
===============

  This dataset contains Science and calibration images
  acquired by the OSIRIS Narrow Angle Camera on the Rosetta mission.
  
  The images were acquired during the ROSETTA EXTENSION 3 mission phase
  covering the period from 2016-09-26T06:40:00.000 to 2016-10-01T00:00:00.000.
  
      Note that the data part of the FITs files in the /DATA/FIT directory is
      identical to the data part of the PDS files in the /DATA/IMG directory.
      FITs files are delivered only for CODMAC levels 2,3, and 4 datasets. 
      No FITs files are delivered for CODMAC level 5 datasets.
  
  For details please see:

  CATALOG/MISSION.CAT  for a description of the Rosetta mission
  CATALOG/INSTHOST.CAT for a description of the Rosetta spacecraft
  CATALOG/OSINAC_INST.CAT   for a description of the OSIRIS instrument
  CATALOG/DATASET.CAT  for a detailed description of the dataset
  CATALOG/TARGETS.CAT  for a description of the observed targets

  As an entry point into the documentation, it is recommended to read the 
  OSIRIS Science User Guide: 
  
  DOCUMENT/SCIENCE_USER_GUIDE/SCIENCE_USER_GUIDE_V07.PDF
  
  A detailed description of the instrument can be found in:

  DOCUMENT/OSIRIS_SSR/KELLER_ET_AL_2007_V01.PDF

  An overview description of the calibration can be found in:

  DOCUMENT/CALIB/OSIRIS_CAL_PIPELINE_V10.PDF

  A database of calibration parameters used for image calibration
  can be found in:

  CALIB/*         (See CALINFO.TXT)
    
2. File Formats
===============

  The OSIRIS PDS images are stored as data files with embedded label.
  In addition, a detached label is provided for FITs and JPEG. 
  The data (PDS and FITs) are stored as:
    a. two dimensional 16 bit integer arrays for CODMAC level 2 data
    b. two dimensional 32 bit float arrays for CODMAC level 3 and higher data

  The data are referenced using a PDS IMAGE object.

  The detailed description of the data file formats can be found in:

  DOCUMENT/SIS/OSIRIS_SIS_V08.PDF
        
2.1 Sofware For Reading PDS Images
==================================
  FWPDS is a library for accessing (and manipulating) PDS data, and is 
  provided in this volume (see below). But it requires IDL 6.1 (or later), and
  is no longer officially supported.

  The PDS images contained in this volume can be read by any PDS-compliant
  software, for example, NASAView:

  https://pds.nasa.gov/tools/nasa-view.shtml

3. Volume Contents
==================

  Files on this volume are organized into a set of subdirectories
  below the top-level directory. The following table shows the
  structure and content of these directories. In the table, directory
  names are enclosed in square brackets ([]). See the *INFO.TXT files
  in some directories for specific information on the files in that
  directory.

  [TOP-LEVEL-DIRECTORY]
  |
  |-- AAREADME.TXT         This file
  |
  |-- VOLDESC.CAT          Description of the contents of this volume
  |
  |-- ERRATA.TXT           Description of the instances where our data deviate 
  |                        from PDS standards
  |
  |--[EXTRAS]
  |  |-- EXTRINFO.TXT      Description of the files in this subdirectory
  |  |
  |  |--[SOFTWARE]
  |  |  |
  |  |  |-- FWPDSLIB.ZIP   ZIP archive containing an IDL (Interactive Data 
  |  |      |              language) based software library for accessing PDS 
  |  |      |              data (requires IDL 6.1)
  |  |      |              (Required by the calibration pipeline software)
  |  |      |-- README.TXT Readme file for the library
  |
  |--[CATALOG]             Directory containing PDS catalog objects
  |  |
  |  |-- CATINFO.TXT       Description of files in this subdirectory
  |  |-- DATASET.CAT       Description of this dataset
  |  |-- OSINAC_INST.CAT   Description of the OSIRIS instrument
  |  |-- INSTHOST.CAT      Description of the Rosetta orbiter
  |  |-- MISSION.CAT       Description of the Rosetta Mission
  |  |-- PERSONNEL.CAT     Description of personnel who created this volume
  |  |-- REFERENCE.CAT     List of usefull references
  |  |-- SOFTWARE.CAT      Software Catalog File
  |
  |--[DATA]                Directory containing image data
  |  |
  |  |--[IMG]              Data directories containing PDS images
  |  |  |
  |  |  |-- *.IMG          Two-dimensional, PDS formatted images from the 
  |  |                     OSINAC camera
  |  |  
  |  |--[FIT]              Data directories containing FITs images  
  |  |  |  
  |  |  |-- *.FIT          Two-dimensional, FITs formatted images from the 
  |  |  |                  OSINAC camera
  |  |  |-- *.LBL          Detached label of the corresponding FITs image
  |
  |--[DOCUMENT]            Directory for OSIRIS documentation
  |  |
  |  |--[ACTIVITY_TABLES]
  |  |  |
  |  |  |-- ACTIVITY.ASC   Desctiption of activity tables.
  |  |  |-- *_ACTIVITY.TAB One activity table per processing level.
  |  |  |-- *_ACTIVITY.LBL Label files associated to .TAB files.
  |  |
  |  |-- DOCINFO.TXT       Overview of the OSIRIS documentation folder
  |  |-- [EAICD]           OSIRIS Archiving Plan
  |  |-- [OSIRIS_SSR]      OSIRIS Instrument Description
  |  |-- [SIS]             Description of the OSIRIS data format
  |  |-- [CALIB]           Description of the OSIRIS calibration
  |  |-- [SCIENCE_USER_GUIDE] Description of the intention behind the 
  |                           acquisition of each image and its planned 
  |                           scientific purpose 
  |
  |--[INDEX]               Directory containing index files
  |  |
  |  |-- INDXINFO.TXT      Description of files in the INDEX directory
  |  |-- INDEX.TAB         Table of all image data files in the dataset
  |
  |--[CALIB]               Calibration data and software
  |  |
  |  |-- CALINFO.TXT       Description of the folder content
  |  |-- [Folders]         Folder structure containing datafiles with 
  |                        calibration parameters used for image calibration
  | 
  |--|--[BROWSE]           Directory containing JPEG
  |  |
  |  |-- *.JPG             JPEG images created from the corresponding .IMG 
  |  |                     image
  |  |-- *.LBL             Detached label of the corresponding JPEG image  
  
4. Whom to Contact for Information
==================================

  Questions regarding the scientific elements of this dataset should be
  directed to:

  Holger Sierks
  OSIRIS Principal Investigator
  Max Planck Institute for Solar System Research
  Justus-von-Liebig Weg 3
  D-37077 Goettingen
  Germany
  sierks@mps.mpg.de

  Carsten Guettler
  OSIRIS Project Manager
  Max Planck Institute for Solar System Research
  Justus-von-Liebig Weg 3
  D-37077 Goettingen
  Germany
  guettlerc@mps.mpg.de

  Pablo Gutierrez-Marques
  OSIRIS Operations Manager
  Max Planck Institute for Solar System Research
  Justus-von-Liebig Weg 3
  D-37077 Goettingen
  Germany
  gutierrez@mps.mpg.de