PDS_VERSION_ID = PDS3 DATA_SET_ID = "GIO-C-HMC-3-RDR-HALLEY-V1.0" TARGET_NAME = "HALLEY" DESCRIPTION = "This index file and label prepared by the Small Bodies Node of the PDS to supplement the Giotto/HMC data submission. 15 November 1994, A.C.Raugh." RECORD_TYPE = "FIXED LENGTH" RECORD_BYTES = 48 FILE_RECORDS = 1745 RECORD_FORMAT = "A8,1X,I3,1X,I3,1X,I4,1X,F13.6,1X,A1,1X,A6,1X,I1" ^TABLE = "IMGHSIGI.IDX" OBJECT = TABLE NAME = "SDM INDEX FILE" INTERCHANGE_FORMAT = ASCII COLUMNS = 8 ROW_BYTES = 48 ROWS = 1745 DESCRIPTION = "Index file for the SDM instrument files" OBJECT = COLUMN NAME = "FILE NAME" BYTES = 8 DATA_TYPE = CHARACTER START_BYTE = 1 FORMAT = "A8" DESCRIPTION = "The name of the data file, without directory information" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "IMAGE WIDTH" BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 9 FORMAT = "I4" UNIT = "PIXELS" DESCRIPTION = "The NAXIS1 value from the FITS header" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "IMAGE HEIGHT" BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 13 FORMAT = "I4" UNIT = "PIXELS" DESCRIPTION = "The NAXIS2 value from the FITS header" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "IMAGE ID" BYTES = 5 DATA_TYPE = ASCII_INTEGER START_BYTE = 17 FORMAT = "I5" DESCRIPTION = "IMAGE-ID field from the FITS header" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "TIME TO ENCOUNTER" BYTES = 14 DATA_TYPE = ASCII_REAL START_BYTE = 22 FORMAT = "F13.6" UNIT = "SECONDS" DESCRIPTION = "Time to the encounter with P/Halley, in seconds. This number is always negative. From the documentation file: 'The distance to the target plane and the spacecraft-comet distance can be calculated from this using the relative velocity (68.373 km s**(-1)) and the spacecraft-comet distance at closest approach.' " NOTE = "Although the decimal points are aligned in this file, the original values from the FITS headers contained exactly 8 significant digits. Trailing zeroes beyond that point in this file should be ignored." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "DETECTOR" BYTES = 1 DATA_TYPE = CHARACTER START_BYTE = 37 FORMAT = "A1" DESCRIPTION = "Detector used to acquire the image" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "FILTER" BYTES = 6 DATA_TYPE = CHARACTER START_BYTE = 39 FORMAT = "A6" DESCRIPTION = "Filter used to make the image" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "SUPERPIXEL" BYTES = 1 DATA_TYPE = ASCII_INTEGER START_BYTE = 46 FORMAT = "A1" DESCRIPTION = "Superpixel format. See documentation for details." END_OBJECT = COLUMN END_OBJECT = TABLE END