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PDS_VERSION_ID = PDS3
RECORD_TYPE = "STREAM"
OBJECT = TEXT
NOTE = "
AAREADME file for the EPOXI HRIV (High Resolution Visible CCD)
Mars Observations Raw Data Archive.
"
PUBLICATION_DATE = 2010-08-31
END_OBJECT = TEXT
END
Introduction
============
This data set contains raw narrow band filter images (350-950 nm)
images of Mars acquired by the Deep Impact High Resolution Visible CCD
(HRIV) for the EPOCh project during the second cruise phase of the
EPOXI mission. One set of observations was acquired on 20-21 November
2009 to characterize Mars as an analog for extrasolar planets. The
observing period lasted approximately 24 hours. HRIV images were
acquired once per hour with the filters centered on 350, 750 and
950 nm, whereas the 450-, 550-, 650-, and 850-nm data were taken
every 15 minutes.
Volume Format
=============
This volume has been formatted according to the ISO-9660 level 2
Interchange Standard for directories and file names as described
in Version 3.7 of the PDS Standards Reference.
File Formats
============
All text documents and other meta information files such as
descriptions, PDS object definitions, and detached PDS labels are
stream format files, with a carriage return (ASCII 13) and a line
feed character (ASCII 10) at the end of the record. This allows
the files to be read by various operating systems.
Volume Contents
===============
Files on this volume are organized into a set of subdirectories below
the top-level directory. The following table shows the general
structure and content of these directories but does not exhaustively
list every file in each directory. In the table, directory names
are surrounded by forward slashes (/), and the top-level of the
volume is indicated by a single forward slash. See the *INFO.TXT
files in each top-level sub-directory for specific information about
the files under that directory.
/ Top level of volume
|
|-- AAREADME.TXT This file
|
|-- ERRATA.TXT Known anomalies concerning this volume
|
|-- VOLDESC.CAT Description of the logical contents of this volume
|
|--/CATALOG/ Directory containing PDS catalog objects
| |
| |-- CATINFO.TXT Description of files in this subdirectory
| |-- DATASET.CAT Description of this data set
| |-- DIF.CAT Description of the Deep Impact flyby spacecraft
| |-- EPOXI.CAT Description of the EPOXI mission
| |-- HRIV.CAT Description of the HRIV instrument
| |-- PERSONNEL.CAT Personnel involved in creating this archive
| +-- REF.CAT References to works cited in catalog objects
|
|
|--/DATA/ Directory containing raw data products
| |
| +--/YYYY/ Multiple year directories, as needed
| |
| +--/DDD/ Multiple day-of-year directories
| |
| |-- *.FIT FITS file, 2-D CCD image with one extension
| +-- *.LBL PDS label, one for each FITS file
|
|
|--/DOCUMENT/ Directory of documents most useful for
| | understanding this data set; Each document has one
| | PDS label; The full documentation set for Deep
| | Impact and EPOXI is available in the PDS data set
| | DI-C-HRII/HRIV/MRI/ITS-6-DOC-SET-V3.0
| |
| |-- DOCINFO.TXT Description of files in this subdirectory
| |
| |-- CALIBRATION_PAPER_DRAFT.*
| | Incomplete draft of the Deep Impact instrument
| | calibration paper
| |
| |-- DAY_OF_YEAR_CALENDAR.*
| | Perpetual and leap year day of year calendars
| |
| |-- EPOCH_MARS_OBS.* Describes EPOCh Mars observations
| |
| |-- EPOCH_MARS_SEQ_2009.*
| | Provides pointing and sequencing information
| | for the EPOCh Mars observations in 2009,
| | including descriptions of the HRII scans of
| | Mars (scan direction, rate, etc.)
| |
| |-- EPOCH_OVERVIEW.* Provides an overview of the EPOCh phase of the
| | EPOXI mission
| |
| |-- EPOXI_SIS.* Describes the EPOXI archive volumes, data sets,
| | and data products
| |
| |-- HRIV_2_EPOXI_MARS.*
| | Provides image parameters from the data labels
| | that are most useful for scientific work such
| | exposure duration and observation description
| |
| |-- INSTRUMENTS_HAMPTON.*
| | Submitted version of the publication that
| | describes the Deep Impact instruments in detail
| |
| |-- PDSDD_EPOXI.* Provides the EPOXI local data dictionary used
| | used to verify this PDS data set
| |
| +-- QUATERNION_DESC.*
| Describes how to use the quaternion specified
| in the data labels
|
|
+--/INDEX/ Directory containing index files
|
|-- INDXINFO.TXT Description of files in this subdirectory
|-- INDEX.TAB Table locating data files on this data set
|-- INDEX.LBL PDS label for index.tab
|-- CHECKSUM.TAB MD5 checksum file for this data set
+-- CHECKSUM.LBL PDS label for checksum.tab
Whom to Contact for Information
===============================
Questions regarding the scientific elements of this data set should be
directed to:
Michael A'Hearn
Principal Investigator, EPOXI
Department of Astronomy, University of Maryland
College Park, Maryland 20742 USA
Drake Deming
Co-PI, EPOXI
Principal Investigator, EPOCh Investigation
Goddard Space Flight Center
Greenbelt, MD 20771 USA
Tim Livengood
Co-Investigator, EPOCh Investigation
Goddard Space Flight Center
Greenbelt, MD 20771 USA
Kenneth Klaasen
Calibration and Sequencing Lead, EPOXI
Jet Propulsion Laboratory
4800 Oak Grove Drive
Pasadena, CA 91109 USA
Dennis Wellnitz
Sequencing Lead, EPOCh Investigation
Department of Astronomy, University of Maryland
College Park, Maryland 20742 USA
Questions about data formats and geometry-related information
should be directed to:
Brian Carcich
EPOXI Science Data Center
Department of Astronomy, Cornell University
610 Space Sciences Building
Ithaca, NY 14853 USA
Questions regarding the PDS elements in this data set should be
directed to:
Stephanie McLaughlin
EPOXI Archive Team
Department of Astronomy, University of Maryland
College Park, Maryland 20742 USA