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docinfo.txt 11-Dec-2007 15:32 27K
PDS_VERSION_ID = PDS3
RECORD_TYPE = "STREAM"
OBJECT = TEXT
PUBLICATION_DATE = 2007-12-31
NOTE = "Description of the DOCUMENT directory"
END_OBJECT = TEXT
END
DOCUMENT Directory Contents
The DOCUMENT directory contains the collection of documentation for
the following Deep Impact data sets:
Raw Science data sets:
DIF-CAL-HRII-2-9P-CRUISE-V1.0 : HRII cruise calibrations
DIF-CAL-HRIV-2-9P-CRUISE-V1.0 : HRIV cruise calibrations
DIF-CAL-MRI-2-9P-CRUISE-V1.0 : MRI cruise calibrations
DII-CAL-ITS-2-9P-CRUISE-V1.0 : ITS cruise calibrations
DIF-C-HRII-2-9P-ENCOUNTER-V1.0 : HRII encounter spectra
DIF-C-HRIV-2-9P-ENCOUNTER-V1.0 : HRIV encounter images
DIF-C-MRI-2-9P-ENCOUNTER-V1.0 : MRI encounter images
DII-C-ITS-2-9P-ENCOUNTER-V1.0 : ITS encounter images
Reduced Science data sets (version 2.0, supersedes version 1.0):
DIF-C-HRII-3/4-9P-ENCOUNTER-V2.0 : HRII encounter spectra
DIF-C-HRIV-3/4-9P-ENCOUNTER-V2.0 : HRIV encounter images
DIF-C-MRI-3/4-9P-ENCOUNTER-V2.0 : MRI encounter images
DII-C-ITS-3/4-9P-ENCOUNTER-V2.0 : ITS encounter images
Raw Navigation data sets:
DIF-CAL-HRIV-2-NAV-9P-CRUISE-V1.0 : HRIV cruise calibrations
DIF-CAL-MRI-2-NAV-9P-CRUISE-V1.1 : MRI cruise calibrations
DII-CAL-ITS-2-NAV-9P-CRUISE-V1.1 : ITS cruise calibrations
DIF-C-HRIV-2-NAV-9P-ENCOUNTER-V1.0 : HRIV encounter images
DIF-C-MRI-2-NAV-9P-ENCOUNTER-V1.1 : MRI encounter images
DII-C-ITS-2-NAV-9P-ENCOUNTER-V1.1 : ITS encounter images
Reduced Navigation data sets:
DIF-C-HRIV-3-NAV-9P-ENCOUNTER-V1.0 : HRIV encounter images
DIF-C-MRI-3-NAV-9P-ENCOUNTER-V1.1 : MRI encounter images
DII-C-ITS-3-NAV-9P-ENCOUNTER-V1.0 : ITS encounter images
Pre-flight thermal-vacuum data sets:
DIF-CAL-HRII-2-GROUND-TV1-V1.0 : HRII thermal-vac data
DIF-CAL-HRII/HRIV-2-GROUND-TV2-V1.0 : HRII/HRIV thermal-vac data
DIF-CAL-HRII/HRIV/MRI-2-GROUND-TV4-V1.0 : HRII/HRIV/MRI thermal-vac data
DII-CAL-ITS-2-GROUND-TV3-V1.0 : ITS thermal-vac data
The following documents are essential for the understanding and
interpretation of the raw and reduced science data sets:
/PUBLICATIONS/SPACE_SCIENCE_REVIEWS
-----------------------------------
ANTICIPATED_FLIGHT_DATA.* : Anticipated flight data by Klaasen,
et al. (2005) [KLAASENETAL2005]
INSTRUMENTS_HAMPTON.* : Instrument paper by Hampton, et al.
(2005) [HAMPTONETAL2005]
MISSION_OVERVIEW_AHEARN.* : Mission overview by A'Hearn, et al.
(2005) [AHEARNETAL2005B]
/FLIGHT_DATA/SCIENCE_DATA/ENCOUNTER_LOGS
----------------------------------------
HRII_ENCOUNTER_DATA_SUMMARY.* : HRII image log from 28 hours before
impact through lookback
HRIV_ENCOUNTER_DATA_SUMMARY.* : HRIV image log from 28 hours before
impact through lookback
MRI_ENCOUNTER_DATA_SUMMARY.* : MRI image log from 28 hours before
impact through lookback
ITS_ENCOUNTER_DATA_SUMMARY.* : ITS image log beginning about 22 hours
before impact
/FLIGHT_DATA/SCIENCE_DATA/HRII_ENCOUNTER_POINTING
-------------------------------------------------
HRII_ENCOUNTER_POINTING_SUMM.* : Pointing and scan directions for HRII
encounter data from June 20 through
July 6
/FLIGHT_DATA/SCIENCE_DATA/HRII_HRIV_CONTEXT_IMAGES
--------------------------------------------------
/IMPACT/HI*HV*.JPG : For each HRII frame from impact, the
estimated location and size of the IR
slit is superimposed on a HRIV context
frame
/IMPACT/IMPACT_CONTEXT_IMAGES.ASC
: Description of the context frames and
how they were created
/LOOKBACK/HI*HV*.JPG : For each HRII frame from lookback, the
estimated location and size of the IR
slit is superimposed on a HRIV context
frame
/LOOKBACK/LOOKBACK_CONTEXT_IMAGES.ASC
: Description of the context frames and
how they were created
/FLIGHT_DATA/IMAGE_PARAM_TABLES
-------------------------------
/SCI_RAW and /SCI_REDUCED : Contains tables of image parameters
such as exposure duration and filter
for raw and reduced data acquired
during cruise and encounter
/CALIBRATION/CALIBRATION_DOCS
-----------------------------
INFLIGHT_CALIBRATION_SUMM.* : Summary of in-flight calibrations
CALIBRATION_PAPER.* : Instrument calibration by Klaasen,
et al. (2006) [KLAASENETAL2006]
CALIBRATION_PIPELINE_SUMM.* : Summary of the calibration pipeline
extracted from calibration paper
HRII_CALIBRATION_LIMITATION.* : Discusses known deficiencies in
the IR calibration process for
the reduced spectral images
/FLIGHT_DATA/SPACECRAFT_CLOCK_CORRELATION
-----------------------------------------
SCLK_CORRELATION.* : Discussion of the discrepancy
between the spacecraft clocks and UTC
and the analysis performed to correlate
the clocks
/ARCHIVE_SUPPORT/ARCHIVE_INTERFACE_CONTROL
------------------------------------------
AICD_FLIGHT_HRII.* : Description of the HRII flight data
sets, including definitions of keywords
in the data labels
AICD_FLIGHT_HRIV_MRI_ITS.* : Description of the HRIV, MRI, and ITS
flight data sets, including definitions
of keywords in the data labels
The following documents are essential for the understanding and
interpretation of the raw and reduced navigation images data sets:
/PUBLICATIONS/SPACE_SCIENCE_REVIEWS
-----------------------------------
AUTO_NAVIGATION_MASTRODEMOS.* : Auto-navigation paper by Mastrodemos,
et. al (2005)
INSTRUMENTS_HAMPTON.* : Instrument paper by Hampton, et al.
(2005) [HAMPTONETAL2005]
MISSION_OVERVIEW_AHEARN.* : Mission overview by A'Hearn, et al.
(2005) [AHEARNETAL2005B]
/FLIGHT_DATA/NAV_DATA/NAV_PROCESSING
------------------------------------
NAV_IMAGES_REPORT.* : Description of how raw and reduced
NAV FITS images were created for and
processed by the Deep Impact science
data pipeline
/FLIGHT_DATA/NAV_DATA/FILENAME_CROSSREFERENCE
---------------------------------------------
NAV_HRIV_FILE_NAMES_RAW2CAL.* : Cross-reference of raw and reduced
HRIV NAV FITS file names
NAV_MRI_FILE_NAMES_RAW2CAL.* : Cross-reference of raw and reduced
MRI NAV FITS file names
NAV_ITS_FILE_NAMES_RAW2CAL.* : Cross-reference of raw and reduced
ITS NAV FITS file names
/FLIGHT_DATA/IMAGE_PARAM_TABLES/SCI_RAW and SCI_REDUCED
-------------------------------------------------------
/SCI_RAW and /SCI_REDUCED : Contains tables of image parameters
such as exposure duration and filter
for raw and reduced data acquired
during cruise and encounter
/CALIBRATION/CALIBRATION_DOCS
------------------------------
CALIBRATION_PAPER.* : Instrument calibration by Klaasen,
et al. (2006) [KLAASENETAL2006]
/FLIGHT_DATA/SPACECRAFT_CLOCK_CORRELATION
----------------------------------------
SCLK_CORRELATION.* : Discussion of the discrepancy
between the spacecraft clocks and UTC
and the analysis performed to correlate
the clocks
/ARCHIVE_SUPPORT/ARCHIVE_INTERFACE_CONTROL
------------------------------------------
AICD_FLIGHT_HRIV_MRI_ITS.* : Description of the HRIV, MRI, and ITS
flight data sets, including definitions
of keywords in the data labels
The following documents are essential for the understanding and
interpretation of the thermal-vacuum (TV) data sets:
/CALIBRATION/CALIBRATION_DOCS
------------------------------
CALIBRATION_PAPER.* : Instrument calibration by Klaasen,
et al. (2006) [KLAASENETAL2006]
/THERMAL_VAC_DATA/TV_IMAGE_LOGS
-------------------------------
TV1*, TV2*, TV3*, TV4* : Image logs from TV1 through TV4
/THERMAL_VAC_DATA/TV_REPORTS
----------------------------
/TV1/REPORT* : Daily reports about TV1 activities
/TV2/REPORT* : Daily reports about TV2 activities
/TV3/REPORT* : Daily reports about TV3 activities
/TV4/REPORT* : Daily reports about TV4 activities
/THERMAL_VAC_DATA/TV_TEST_PLANS
-------------------------------
DITV_* : Procedures used to perform TV1
through TV4
The Deep Impact documents on this volume are grouped into the following
directories and subdirectories:
/ARCHIVE_SUPPORT
----------------
- The /ARCHIVE_INTERFACE_CONTROL subdirectory contains the Archive
Interface Control Documents that describe the flight data archive
for the HRII (AICD_FLIGHT_HRII.*) and the HRIV, MRI and ITS
(AICD_FLIGHT_HRIV_MRI_ITS.*) instruments. These documents describe
the PDS data sets for raw and calibrated flight science data from
the four instruments.
- The /LOCAL_PDS_DATA_DICTIONARY subdirectory contains the local PDS
data dictionary listing (PDSDD_DI.FUL) and associated index file
(PDSDD_DI.IDX) for the Deep Impact data sets providing flight data
and results. These ASCII text dictionary files were used to validate
the PDS labels.
- The /PROJECT_DATA_MANAGEMENT_PLAN subdirectory contains Project Data
Management Plan for the mission.
- The /QUATERNION_DESC subdirectory contains the QUATERNION.ASC document
describes how to use values in the QUATERNION keyword found in the
raw and reduced HRII, HRIV, MRI, and ITS data labels.
/CALIBRATION
-------------
- The /CALIBRATION_DOCS subdirectory contains the Deep Impact instrument
calibration paper by Klaasen, et. al (2006) that describes the analyses
of raw ground and in-flight calibration data, the resulting calibration
files, and the calibration pipeline. This document also includes a
summary of the types and purposes of in-flight calibrations and
describes image orientation. This subdirectory also includes a
summary of the calibration processes (CALIBRATION_PIPELINE_SUMM*) and
a summary of the inflight calibrations (INFLIGHT_CALIBRATION_SUMM*),
both extracted from the instrument calibration document. The
limitations of the calibration applied to the HRII spectral images
are described in HRII_CALIBRATION_LIMITATION*. Researchers are
advised to read this document before using the calibrated IR data.
- The /CALIBRATION_SOFTWARE subdirectory contains the IDL procedures
used for calibrating Deep Impact HRII, HRIV, MRI, and ITS flight data
from raw counts to physical units of radiance (Watts/cm**2 sr um)
and reflectance (I-over-F). The software is supplied strictly as
documentation for the pipeline; it is not supported and not
intended to be executable. The /DICAL_V5 subdirectory provides the
version of the pipeline used to calibrate version 1.0 of the reduced
Navigation data sets for the HRIV, MRI, and ITS instruments and
version 2.0 of the reduced Science data sets for the HRII, HRIV, MRI,
and ITS instruments. The /DICAL_V4 subdirectory provides the version
of the pipeline used to calibrate version 1.0 of reduced Science data
sets for the HRII, HRIV, MRI, and ITS instruments.
/FLIGHT_DATA
------------
- The /DAY_OF_YEAR_CALENDAR subdirectory contains a calendar that converts
days of year for 2005 to month and day.
- The /IMAGE_PARAM_TABLES subdirectory contains image parameter tables
for raw and reduced HRII, HRIV, MRI, and ITS science data sets from
cruise and encounter. It also contains image parameter tables for
raw and reduced HRIV, MRI, and ITS Navigation data sets from cruise
and encounter. The image parameter tables include information about
each image in a data set such as the UTC mid-point and duration of
an exposure.
- The /NAV_DATA subdirectory subdirectory contains documents required
for the understanding and interpretation of the raw and reduced
navigation (NAV) images data sets. The navigation images report
describes how NAV FITS images were created from snipped frames,
processed, and reduced. This directory also contains documents that
cross-reference raw and reduced FITS file names for the HRIV, MRI,
and ITS NAV images data sets. The cross references are required
because different file-naming conventions were used for raw and
reduced FITS data.
- The /SCIENCE_DATA subdirectory contains:
- The /ENCOUNTER_LOGS subdirectory contains the hand-recoreded image
logs that were maintained during the encounter with comet 9P/Tempel 1.
There is one log for each science instrument (HRII, HRIV, MRI, and ITS).
During the 28 hours before impact and through encounter, instrument
teams were responsible for recording information about the planned
observations such as if the images were received on the ground, the
quality of the images, or a brief description of what was seen in
the images.
- The /HRII_ENCOUNTER_POINTING subdirectory contains a table that
summarizes the pointing and scan directions for each HRII exposure
of 9P/Tempel 1 from June 20 through July 6, 2005.
- The /HRII_HRIV_CONTEXT_IMAGES subdirectory contains a HRIV context image
for each HRII spectral image acquired during impact and lookback. For
each IR frame, the estimated location and size of the IR slit is
superimposed on a HRIV image taken near the IR observation. The
IMPACT_CONTEXT_IMAGES.ASC and LOOKBACK_CONTEXT_IMAGES.ASC documents
provide a description of the context frames and how they were created.
IMPACT_CONTEXT_IMAGE_LOG.ASC and LOOKBACK_CONTEXT_IMAGE_LOG.ASC provide
a log of the context frames, including geometric parameters displayed
on the context images.
- The /SPACECRAFT_CLOCK_CORRELATION subdirectory contains the
Deep Impact spacecraft clock correlation document. This document
summarizes the rationale for the archived correlations between
the flyby and impactor spacecraft clocks (SCLKs) and dynamical
barycentric time that are encapsulated in the SCLK kernel files
archived in the Deep Impact SPICE data set. This document also
explains why the clock correlation was changed about 2 seconds,
retroactively, shortly after impact with comet 9P/Tempel 1.
/PUBLICATIONS
------------
- The /SPACE_SCIENCE_REVIEWS subdirectory contains pre-impact papers
about the mission and expected results published by Space Science
Reviews in 2005.
/THERMAL_VAC_DATA
------------
- The /TV_READTEMP_CODE subdirectory contains an IDL function
for reading HRII/HRIV temperature files from TV2 and TV4.
- The /TV_REPORTS subdirectory contains daily activity reports
for thermal-vacuum tests TV1 through TV4.
- The /TV_TEST_PLANS subdirectory contains the procedures written
by Ball Aerospace and Technologies Corporation for performing
ground-based thermal-vacuum tests of the Deep Impact instruments.