PDS_VERSION_ID= PDS3 - PDS Small Bodies Node

2.2 Description Of Each Directory Level
Directory Contents:
Directory
AAREADME.TXT - General information file. Provides users with
information about the IRAS data products. Directs user
to other documents on the volume containing more detailed
information.
VOLDESC.CAT - PDS catalog file containing labels that describe
the volume data products. Information includes: production date,
producer name and institution, volume ID, etc.
ERRATA.TXT - Text file for tracking and recording discovered
errors in the IRAS data products. (This is an optional file.)
Directory
The directory tree is reserved for the last volume in
the static volume set of the archive. The tree stores data files
that correct files of previous files that had errors. The
directory tree maintains the same structure as on other volumes.
Directory
The documentation files exist in several forms in order to
Facilitate access to the documents.
Files with extension 'TXT' or 'ASC' are ASCII text files that
can be read by virtually all text editors.
Files with extension 'DOC' were created with Microsoft-word.
Files with extension 'EPS' are encapsulated PostScript format.
Files with extension ‘JPG’ are JPEG images.
DOCINFO.TXT - Description of the DOCUMENT directory
Exp_supp_AO.*- The Explanatory Supplement to the IRAS Additional
Observations (AO) processed by Russell Walker. The document
describes the processes used to generate radiance and noise map
images and photometry tables from AOs that contain comet
9P/Tempel 1. Identical versions of the document are provided in
PDS, MS-WORD, and postscript formats
Exp_Supp_AO.LBL - The PDS label for the Explanatory Supplement to
the IRAS Additional Observations.
Exp_supp_survey.*- The Explanatory Supplement to the IRAS Survey
Scans (SS) processed by Russell Walker. The document describes
the processes used to generate radiance and noise map images and
photometry tables from Survey Scans that contain comet 9P/Tempel
1. Identical versions of the document are provided in PDS, MS-
WORD, and postscript formats.
Exp_Supp_Survey.LBL The PDS label for the Explanatory Supplement
to the IRAS Survey Scans.
Keyword_definitions.txt- Definitions of PDS keywords used in the
data labels.
IRAS_SIS.* - Contains this software Interface Specification for
the IRAS data products.