PDS_VERSION_ID = PDS3 /* FILE CHARACTERISTICS */ RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 106 FILE_RECORDS = 1 /* DATA OBJECT POINTERS */ ^TABLE = "ONSUR1A2.TAB" /* IDENTIFICATION KEYWORDS */ DATA_SET_ID = "NEAR-A-GRS-3-EDR-EROS/SURFACE-V1.0" PRODUCT_NAME = "GRS L2 ON-SURFACE ANCILLARY NAI 1 ESCAPE" PRODUCT_ID = "ONSUR1A2" INSTRUMENT_HOST_NAME = "NEAR EARTH ASTEROID RENDEZVOUS" INSTRUMENT_NAME = "GAMMA RAY SPECTROMETER" TARGET_NAME = "EROS" START_TIME = 2001-02-19T23:26:32 STOP_TIME = 2001-02-22T17:30:32 PRODUCT_CREATION_TIME = 2001-08-15 /* PEER REVIEW DATE */ SPACECRAFT_CLOCK_START_COUNT = 158035412 SPACECRAFT_CLOCK_STOP_COUNT = 158273252 DESCRIPTION = " THIS FILE CONTAINS THE NEAR EARTH ASTEROID RENDEZVOUS (NEAR) GAMMA-RAY SPECTROMETER LEVEL-2 ANCILLARY DATA SPECIFIC TO THE NAI 1 ESCAPE SPECTRUM FOR THE ON-ASTEROID GRS INSTRUMENT SEQUENCE. " /* DATA OBJECT DESCRIPTIONS */ OBJECT = TABLE ROWS = 1 ROW_BYTES = 106 INTERCHANGE_FORMAT = ASCII COLUMNS = 11 DESCRIPTION = "THE ANCILLARY DATA FOR THE INTEGRATED NAI (SODIUM IODIDE) AND BGO SPECTRA COLLECTED AND INTEGRATED FROM THE SURFACE OF 433EROS ASTEROID BY THE NEAR GAMMA-RAY SPECTROMETER. THE DATA COMPRISE THE PARAMETERS THAT DESCRIBE THE ENGINEERING AND SPATIAL CONDITIONS UNDER WHICH THE SPECTRA WERE COLLECTED. " OBJECT = COLUMN COLUMN_NUMBER = 1 DATA_TYPE = ASCII_INTEGER NAME = START_MET DESCRIPTION = "START MISSION EVENT TIME (MET) OF INTEGRATION (SECONDS FROM START OF MISSION)" START_BYTE = 1 BYTES = 10 FORMAT = "I10" UNIT = SECONDS END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 DATA_TYPE = ASCII_INTEGER NAME = END_MET DESCRIPTION = "END MISSION EVENT TIME (MET) OF 1ST INTEGRATION OF 2 COLLECTED (SECONDS FROM START OF MISSION)" START_BYTE = 12 BYTES = 10 FORMAT = "I10" UNIT = SECONDS END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 DATA_TYPE = ASCII_INTEGER NAME = INTEGR_TIME DESCRIPTION = "DURATION OF INTEGRATION TIME 1 (SEC)" START_BYTE = 23 BYTES = 10 FORMAT = "I10" UNIT = SECONDS END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 DATA_TYPE = ASCII_REAL NAME = SURFACE_LATITUDE DESCRIPTION = "THE SURFACE LATITUDE OF THE NEAR SPACECRAFT DURING THE EROS ON-SURFACE GRS INSTRUMENT INTEGRATIONS (BETWEEN 2001:045 AND 2001:059) WEST LONGITUDE (DEGREES) SEE VERVEKA ET. AL. 2001" START_BYTE = 34 BYTES = 7 FORMAT = "F7.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 DATA_TYPE = ASCII_REAL NAME = SURFACE_LONGITUDE DESCRIPTION = "THE SURFACE LONGITUDE OF THE NEAR SPACECRAFT DURING THE EROS ON-SURFACE GRS INSTRUMENT INTEGRATIONS (BETWEEN 2001:045 AND 2001:059) WEST LONGITUDE SEE VERVEKA ET. AL. 2001" START_BYTE = 42 BYTES = 7 FORMAT = "F7.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 DATA_TYPE = ASCII_REAL NAME = INST_SURF_ATTITUDE DESCRIPTION = "THE ATTITUDE NEAR GRS INSTRUMENT BORESITE WITH RESPECT TO THE SURFACE (DEGREES FROM SURFACE NORMAL)" START_BYTE = 50 BYTES = 7 FORMAT = "F7.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 DATA_TYPE = ASCII_REAL NAME = GAIN DESCRIPTION = "THE GAIN OF THE INSTRUMENT DURING ON SURFACE INTEGRATIONS IN KEV/CHANNEL" START_BYTE = 58 BYTES = 7 FORMAT = "F7.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 DATA_TYPE = ASCII_REAL NAME = ZERO DESCRIPTION = "THE ZERO OF THE INSTRUMENT DURING ON SURFACE INTEGRATIONS IN EV" START_BYTE = 66 BYTES = 7 FORMAT = "F7.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 DATA_TYPE = ASCII_INTEGER NAME = TOTAL_INTEG_CNTS DESCRIPTION = "TOTAL COUNTS COLLECTED IN THE SPECTRUM (COUNTS)" START_BYTE = 74 BYTES = 10 FORMAT = "I10" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 DATA_TYPE = ASCII_INTEGER NAME = TOTAL_LIVETIME DESCRIPTION = "TOTAL LIVETIME OF THE SPECTRA NAI = 0.92 * INTEGRATION TIME (SECONDS), BGO = 0.99 * INTEGRATION TIME (SECONDS)" START_BYTE = 85 BYTES = 10 FORMAT = "I10" UNIT = SECONDS END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 DATA_TYPE = ASCII_REAL NAME = COUNT_RATE DESCRIPTION = "THE COUNT RATE FOR THE SPECTRUM (COUNTS/SEC)" START_BYTE = 96 BYTES = 9 FORMAT = "F9.4" END_OBJECT = COLUMN END_OBJECT = TABLE END