Index of /holdings/sdu-c_d-dfmi-2_3-next-tempel1-v1.0

Icon  Name                    Last modified      Size  Description
[DIR] Parent Directory - [DIR] catalog/ 24-Feb-2012 20:11 - [DIR] data/ 23-Feb-2012 13:48 - [DIR] document/ 18-May-2012 17:06 - [DIR] DOWNLOAD/ 15-Jun-2012 12:12 - [DIR] extras/ 17-May-2012 18:58 - [DIR] index/ 22-Feb-2012 14:43 - [DIR] NOTES/ 21-May-2012 12:53 - [TXT] aareadme.txt 16-May-2012 14:26 29K [TXT] dataset.html 03-Jun-2014 08:46 2.8K [TXT] errata.txt 16-May-2012 16:13 3.4K [   ] 22-Feb-2012 14:43 5.5K [PDS catalog file]
PDS_VERSION_ID  = PDS3                                                        
LABEL_REVISION_NOTE = "                                                       
2012-02-21 Cornell:BTCarcich incorporated comments from Ken Klaasen.          
RECORD_TYPE     = FIXED_LENGTH                                                
RECORD_BYTES    = 80                                                          
MISSION_NAME    = "NEXT"                                                      
INSTRUMENT_HOST_NAME = "STARDUST"                                             
OBJECT          = TEXT                                                        
  PUBLICATION_DATE = 2012-02-09                                               
  NOTE             = "Stardust-NExT archive data.  This is the 'Read          
                      me first' file for this data set.  It is duplicated     
                      in two places in the data set:  in the top-level        
                      directory as AAREADME.TXT; in the DOCUMENT/ directory   
                      as AAAREADME.TXT.  The PDS standard requires the        
                      former but PDS does not guarantee its preservation,     
                      so it is duplicated in the DOCUMENT/ directory."        
END_OBJECT      = TEXT                                                        
Stardust-NExT archive data set for DFMI EDR/RDR data.                         
This file is the "Read me first" file for this data set.  Its purpose is to   
be the starting point for any user who wishes to view and understand the data 
in this data set.  It contains a high-level description of the contents of    
this data set, and points the user to other documents in this data set that   
contain more detailed descriptions of the data along with pointers to         
additional documentation.  If the information in this data set is represented 
as a tree, with each file as a leaf covering a specific area or sampled data, 
then this file is the root of the tree.  Some of the 'leaves' contain         
reference to external information sources such as journal articles or other   
data sets; those references are considered an integral part of this data set  
and are often critical for understanding the data.                            
All of the data sets for the Stardust-NExT mission instrument data have been  
prepared in a similar manner, so the "Read me first" files for these data     
sets will be similar.                                                         
This file comprises the following sections:                                   
  1) Introduction to this data set, including pointers to other files that    
     explain what is in the data set                                          
     1.1) Quick start                                                         
     1.2) Product description                                                 
  2) Data set medium format                                                   
  3) File formats - where to learn about the formats used in this data set    
  4) Data set contents - a high-level description of the directory layout     
  5) Recommended computer software                                            
  6) Errata, Disclaimer and PDSDD                                             
     6.1) PDS Data Dictionary (PDSDD)                                         
  7) Whom to Contact for further Information                                  
1) Introduction                                                               
This volume contains DFMI CODMAC level 2/3 products from the Stardust-NExT    
mission.  It also contains documentation which describes these products.      
1.1) Quick start:                                                             
The data set files are laid out with a directory (a.k.a. folder) structure.   
The most important top-level directories are CATALOG/, DOCUMENT/ and DATA/.   
The CATALOG/ directory contains high-level PDS catalog files which describe   
the mission, spacecraft, instrument and other information related to this     
data set.  The catalog files also contain references to external materials    
such as journal articles.  See CATALOG/CATINFO.TXT for more details.          
The DOCUMENT/ directory contains more detailed descriptions of this data set. 
 See DOCUMENT/DOCINFO.TXT for more details.                                   
The DATA/ directory contains the data in this data set.  Subdirectories       
partition the data by date and/or by target.  Each data product has a         
corresponding PDS data label in accordance with the Planetary Data System     
(PDS) Standards reference, Version 3.8, document JPL D-7669.  See             
DOCUMENT/DATAINFO.TXT for more details.                                       
1.2) Product description                                                      
There are two types of DFMI data products; both are comma-separated-value     
(CSV) files.  One type contains the time-sampled raw counts (EDRs) from the   
DFMI detectors; the values provided are exactly as they were generated by the 
DFMI data algorithms.  The second product type contains calibrated (RDR)      
data; it is similar to the first product but filters the raw data to only     
include sequential time samples where the counters changed.                   
For the RDR product, the EDR spectrum counter differences over time are       
calculated and corrected for various effects, and the counts are converted to 
voltages.  The details of the correction and conversion procedures are        
provided in the supporting documentation, especially the DATASET.CAT catalog, 
its references, and the files under the DOCUMENT/ directory (see              
further details.                                                              
The products archived in this volume have all been released by the            
Stardust-NExT Project.                                                        
2) Data set medium format                                                     
This data set has been delivered to PDS in an electronic format, transferred  
via either the Internet or portable disk drive.  User access will typically   
be via a web browser over the Internet to a web server at the Small Bodies    
Node of PDS (currently  Duplicating the        
directory hierarchy and contents recursively from the directory which         
contains this AAREADME.TXT file and below is all that is required to copy     
this data set.                                                                
3) File format                                                                
Each data product and all files with content have a PDS label.  The PDS label 
is the definitive and complete source describing the data layout and format   
in each product in this data set.  The PDS label may be attached or detached. 
 Attached labels are in the same file as the data at the start of the file.   
Detached labels are separate files with pointers to the data files; detached  
label filenames always end in .LBL or .lbl.  The label files conform to the   
Planetary Data System (PDS) Standards, Version 3.8, Jet Propulsion Laboratory 
(JPL) document JPL D-7669 Part 2; refer to this standards reference for       
details in interpreting the label and contents of any file in this data set.  
PDS labels for data products also contain parameter values such as the start  
and end times of the data in the data product.                                
The DFMI data are stored in tabular files with numeric and string values      
represented with 7-bit ASCII characters and delimited by commas (a.k.a.       
comma-separated-value or CSV).                                                
All detached label files contain 80-byte fixed-length records, with a         
carriage return character (ASCII 13) in the 79th byte and a line feed         
character (ASCII 10) in the 80th byte.  This format allows the files to be    
read by many different operating systems (e.g. MacOS, Windows, DOS, Unix,     
Linux, VMS etc.).   All tabular files are also described by PDS labels,       
either embedded at the beginning of the file (attached) or detached.  If      
detached, the PDS label file has the same, or a similar, name as the data     
file(s) it describes, with the extension .LBL; for example, the file          
INDEX.TAB is accompanied by the detached label file INDEX.LBL in the same     
Tabular files are formatted so that they may be read directly into many       
database management systems on various computers. All fields are separated by 
commas, and character fields are enclosed in double quotation marks (").      
Character fields are left justified, and numeric fields are right justified.  
The "start byte" and "bytes" values listed in the labels do not include the   
commas between fields or the quotation marks surrounding character fields.    
The records are of fixed length, and the last two bytes of each record        
contain the ASCII carriage return and line feed characters. This allows a     
table to be treated as a fixed length record file on computers that support   
this file type and as a normal text file on other computers.                  
4) Data set contents and directory layout                                     
The following ASCII graphic describes the file layout of this data set.       
  +--AAREADME.TXT         The text version of the "Read me first" file.       
  |                       This file is the starting point for documentation   
  |                       describing this data set.  A duplicate of this      
  |                       file has been placed in the DOCUMENT/ directory     
  |                       as AAAREADME.TXT because PDS does not guarantee     
  |                       preservation of this top-level AAREADME.TXT file.   
  +--ERRATA.TXT           File listing known data set anomalies and errors    
  +--VOLDESC.CAT          Description of the contents of this volume.         
  +--CATALOG/             Directory containing PDS catalog objects; refer     
  |  |                    to CATINFO.TXT for details.                         
  |  +--CATINFO.TXT         File with detailed description of contents of     
  |  |                      CATALOG/ directory.                               
  |  +--*.CAT               Catalog files (mission, spacecraft, instrument,   
  |                         data set, personnel, references)                  
  +--DATA/                Directory containing DFMI data files; refer to      
  |  |                    DATAINFO.TXT for details.                           
  |  +--DATAINFO.TXT        File describing the layout of data files under    
  |  |                      the DATA/ directory along with any optional       
  |  |                      subdirectories.                                   
  |  |...<path>/            Optional subdirectories of DATA/, described in    
  |  |                      DATAINFO.TXT.                                     
  |  |...<path>/*.LBL         Optional detached labels for data files         
  |  |...<path>/*.*           The data files themselves                       
  +--DOCUMENT/            Directory containing documents necessary for        
  |  |                    understanding this data set; refer to DOCINFO.TXT   
  |  |                    for details.                                        
  |  +--DOCINFO.TXT         File with detailed description of contents of     
  |  |                      DOCUMENT/ directory                               
  |  |                                                                        
  |  +--AAAREADME.TXT       Duplicate of top-level AAREADME.TXT; see above    
  |  |                                                                        
  |  +--*.TXT               Documents with attached labels                    
  |  +--*.LBL               Detached PDS labels, one for each document.       
  |  |                      Each label may refer to more than one file.       
  |  |                      Each label has a DESCRIPTION keyword, the value   
  |  |                      of which describes the document.                  
  |  +--*.*                 The documents themselves                          
  |  |                                                                        
  |  +--*/                  Subdirectory(ies) of DOCUMENT/.  See              
  |                         DOCINFO.TXT for more information.                 
  +--INDEX/               Directory containing tabular summaries of the       
  |  |                    data and files in this data set; refer to           
  |  |                    INDXINFO.TXT for details.                           
  |  +--INDXINFO.TXT         File with detailed description of contents of    
  |  |                       of INDEX/ directory.                             
  |  +--*.LBL               PDS labels, one for each index.                   
  |  +--*.TAB               Index tables                                      
  +--EXTRAS/              Directory containing additional information that    
     |                    may be useful for understanding this data set,      
     |                    but which does not readily fit in one of the        
     |                    other PDS categories.  See EXTRINFO.TXT for         
     |                    details.                                            
     +--EXTRINFO.TXT        File with detailed description of contents of     
     |                      EXTRAS/ directory.                                
     +--PDSDD_NEXT.FULL     Proposed PDS Data Dictionary (See 6.1 below)      
     +--*.*                 Any EXTRAS/ files.                                
     +--*/                  Any EXTRAS/ subdirectories.                       
5) Recommended computer software                                              
As noted above, this data set was delivered to PDS-SBN in electronic format.  
Any computer system capable of replicating the directory (folder) structure   
should be able to maintain a usable copy of this data set.  At the time of    
the delivery of this data set (2011 A.D.), that specification will be met by  
computers running the following operating systems:  Microsoft Windows; Apple  
Mac OSX; Unix(tm) derivatives including Linux; VMS.                           
Tabular data may be imported into a spreadsheet application (   
Spreadsheet or Microsoft Office Excel) or a database application (MySQL,      
PostgreSQL, Microsoft SQL Server or Microsoft Office Access).  Tabular data   
may also be viewed with a PDS tool called NasaView:                           
PDS supplies tools that may be of use in viewing the data files in this data  
Documentation and data labels may be viewed with word processing              
applications: Word Processor; Microsoft Office Word; editors  
such as VI, VIM, GEDIT and others in the Linux/Unix(tm) environment.  ASCII   
files, such as tables and PDS labels, may be viewed with many web browsers.   
Some documentation files are stored as PDF (Portable Document Format) files;  
PDF filenames will end in .PDF (case-insensitive).  A PDF reader (e.g.        
Acrobat reader on Windows and Mac OSX, acroread on Unix, Document Viewer on   
Linux, or a PDF plug-in for a web browser) is necessary to view these files,  
but in the absence of such readers all PDF documents also have alternate      
versions that will be easier to view.                                         
6) Errata, Disclaimer and PDSDD                                               
A cumulative list of anomalies and errors is maintained in the file           
ERRATA.TXT at the root directory of this volume.  Over time and multiple      
versions of this data set it is anticipated that the errors will be corrected 
and the anomalies incorporated into the data set documentation.  Users should 
always check the latest ERRATA.TXT file for this data set before using the    
data for any purpose.                                                         
Although considerable care has gone into making this volume, errors are both  
possible and likely.  Users of the data are advised to exercise the same      
caution as they would when dealing with any other unknown data set.           
At the time of delivery of this data set no known anomalies exist and the     
ERRATA.TXT file comprises only its attached label.                            
Reports of errors or difficulties would be appreciated. Please contact one of 
the persons listed herein.                                                    
6.1) PDS Data Dictionary (PDSDD)                                              
This data set presupposes and proposes the following STANDARD_VALUE_SET       
entries will be added to the PDS Data Dictionary; see also the file           
PDSDD_NEXT.FULL in the EXTRAS/ directory.  Until those entries are added, PDS 
validation tools may generate errors and/or warnings when run against this    
data set.  Changes proposed for all Stardust-NExT instrument data sets (CIDA, 
DFMI, NAVCAM) are included here so PDS personnel do not have to browse        
several data sets to compile the proposed changes.                            
  Keyword             _TYPE      New entry                                    
  ------------        ---------  ---------                                    
  MISSION_NAME        STATIC     NEXT                                         
  DATA_SET_ID         FORMATION  SDU-C/D-DFMI-2/3-NEXT-TEMPEL1-V1.0           
  INSTITUTION_NAME    DYNAMIC    THE OPEN UNIVERSITY                          
  INSTRUMENT_MODE_ID  DYNAMIC    NEGATIVE ION MODE                            
  INSTRUMENT_MODE_ID  DYNAMIC    POSITIVE ION MODE                            
  PRODUCT_TYPE        SUGGESTED  SPECTRUM                                     
  DOCUMENT_FORMAT     DYNAMIC    MICROSOFT EXCEL                              
                                 LABORATORY FOR ASTROPHYSICS & SPACE          
  FILTER_NAME         DYNAMIC    OPNAV                                        
                                 THE OPEN UNIVERSITY                          
  MISSION_NAME        STATIC     NEXT                                         
  MISSION_PHASE_NAME  DYNAMIC    CHECKOUT                                     
                                 CRUISE 5                                     
                                 CRUISE 6                                     
                                 TEMPEL 1 ENCOUNTER                           
  VOLUME_SET_NAME     DYNAMIC    STARDUST CIDA DATA                           
                                 STARDUST CIDA EDR/RDR DATA                   
                                 STARDUST DFMI EDR/RDR DATA                   
                                 STARDUST NAVCAM EDR DATA                     
                                 STARDUST NAVCAM RDR DATA                     
7) Whom to Contact for further Information                                    
Refer to the personnel catalog file CATALOG/PERSONNEL.CAT, included in this   
data set, to get contact information for the following people.                
For questions concerning this data set, data products and documentation:      
  Brian Carcich                                                               
For questions concerning the generation of the data products under DATA/:     
  Simon Green                                                                 
For questions concerning the instrument and instrument data:                  
  Tom Economou                                                                
For questions concerning the data labels:                                     
  Brian Carcich