PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT PUBLICATION_DATE = 2015-02-25 NOTE = "Description of the DOCUMENT directory contents." END_OBJECT = TEXT END The DOCUMENT directory contains copies of documents that are necessary or useful for users to understand the archive data set. These documents are orgainized in the subdirectories listed below. ENVI_TUTORIAL VIR ENVI Tutorial document. This document describes the procedure to manually open Dawn VIR .QUB files using ENVI. ISIS_TUTORIAL VIR ISIS Tutorial document. The document describes the procedure for reading and processing VIR data qubes using ISIS. SCIENCE_PLAN The Dawn Science Plan document. This document provides a description of the planned Dawn observations throughout the mission from launch through Vesta. It is provided as a source of information on the intent of the observations made by the instrument teams at Vesta. Note that not all of the planned observations actually occurred due to a variety of instrument resets and spacecraft safings. SIS The Dawn VIR Software Interface Specification (SIS). This document describes the contents and types of archive volumes belonging to all of the VIR NASA level 1 (CODMAC levels 2 and 3) data sets. This includes detailed descriptions of the data formats to allow users to read the data products.