PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT PUBLICATION_DATE = 2007-12-03 /* Label Generated */ NOTE = "Description of the contents of the document directory." END_OBJECT = TEXT END "document" Directory Contents The document directory contains documentation files, where available, for the data set in this volume. All document files will have an accompanying label file to describe content and structure. Label files have the same name as the main document file, with an extension of ".lbl". docinfo.txt - The file you are reading. ads.txt - The file sent to Abstract Data Service (ADS). ads.lbl - The label for ads.txt. mir_log_20050702ut.asc mir_log_20050703ut.asc mir_log_20050705ut.asc mir_log_20050706ut.asc [7 more files not listed] - "Observing Logs", A log file for each night of the Comet 9P/Tempel 1 observing campaign, providing start and end times of each observation, exposure times, filters, etc. Also included are descriptions of the sky conditions and a listing of optical depth (Tau at 225 GHz) measurements as a function of time. These Tau measurements (provided by the Caltech Submillimeter Observatory) are strongly correlated with precipitable water vapor above Mauna Kea. mir_log_200507xxut.lbl - The label file for the document "Observing Logs" described above.