PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 117 FILE_RECORDS = 394 ^TABLE = "MOD2FIV1.IDX" DATA_SET_ID = "VEGA1-C-PUMA-2-RDR-HALLEY-V1.0" TARGET_NAME = HALLEY DESCRIPTION = "This file contains an ASCII index into the corresponding mode table." OBJECT = TABLE NAME = INDEX_TABLE INTERCHANGE_FORMAT = ASCII ROW_BYTES = 117 ROWS = 394 COLUMNS = 30 RECORD_FORMAT = "I4,3(I6),I2,I4,I8,1X,5(I1),I4,1X,5(I3),1X,5(I4)I6,2(1X, 3(I4))" NOTE = "In the FORMAT fields for the individual columns, any blanks preceeding the field have been included in the integer field width. Records in this file end with a two-byte (CR/LF) delimiter." OBJECT = COLUMN NAME = ROW_NUMBER BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 1 FORMAT = "I4" DESCRIPTION = "The sequential number of the row in the index table, and the spectrum in the mode table." END_OBJECT OBJECT = COLUMN NAME = SEQUENCE_NUMBER BYTES = 6 DATA_TYPE = ASCII_INTEGER START_BYTE = 5 FORMAT = "I6" DESCRIPTION = "The spacecraft sequence number of the spectrum" END_OBJECT OBJECT = COLUMN NAME = EVENT_NUMBER BYTES = 6 DATA_TYPE = ASCII_INTEGER START_BYTE = 11 FORMAT = "I6" DESCRIPTION = "The spacecraft event numberof the spectrum" END_OBJECT OBJECT = COLUMN NAME = TIME BYTES = 6 DATA_TYPE = ASCII_INTEGER START_BYTE = 17 FORMAT = "I6" UNIT = "SECONDS" DESCRIPTION = "The time, in seconds since instrument turn-on, of the spectrum." END_OBJECT OBJECT = COLUMN NAME = MODE BYTES = 2 DATA_TYPE = ASCII_INTEGER START_BYTE = 23 FORMAT = "I2" DESCRIPTION = "Spectrum mode. The spectra in this file are all mode 2." END_OBJECT OBJECT = COLUMN NAME = SAMPLES BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 25 FORMAT = "I4" DESCRIPTION = "The number of samples in the spectrum. In mode 2 the length of the spectrum array in bytes is 3 x SAMPLES, because each sample consists of a time value, an amplitude value, and a flag." END_OBJECT OBJECT = COLUMN NAME = OFFSET BYTES = 8 DATA_TYPE = ASCII_INTEGER START_BYTE = 29 FORMAT = "I8" UNIT = BYTES DESCRIPTION = "The offset, in bytes, of the beginning of the record from the beginning of the file." END_OBJECT OBJECT = COLUMN NAME = TARGET_SENSITIVITY BYTES = 2 DATA_TYPE = ASCII_INTEGER START_BYTE = 37 FORMAT = "I2" DESCRIPTION = "1 if the target sensitivity was high; 0 if low." END_OBJECT OBJECT = COLUMN NAME = ACCELERATOR_SENSITIVITY BYTES = 1 DATA_TYPE = ASCII_INTEGER START_BYTE = 39 FORMAT = "I1" DESCRIPTION = "1 if the accelerator sensitivity was high; 0 if low." END_OBJECT OBJECT = COLUMN NAME = PHOTOMULTIPLIER_SENSITIVITY BYTES = 1 DATA_TYPE = ASCII_INTEGER START_BYTE = 40 FORMAT = "I1" DESCRIPTION = "1 if the photomultiplier sensitivity was high; 0 if low." END_OBJECT OBJECT = COLUMN NAME = CATCHER_SENSITIVITY BYTES = 1 DATA_TYPE = ASCII_INTEGER START_BYTE = 41 FORMAT = "I1" DESCRIPTION = "1 if the catacher grid sensitivity was high; 0 if low." END_OBJECT OBJECT = COLUMN NAME = MONITOR_SENSITIVITY BYTES = 1 DATA_TYPE = ASCII_INTEGER START_BYTE = 42 FORMAT = "I1" DESCRIPTION = "1 if the monitor sensitivity was high; 0 if low." END_OBJECT OBJECT = COLUMN NAME = EVENT_CLASS BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 43 FORMAT = "I4" DESCRIPTION = "Classification of this event." END_OBJECT OBJECT = COLUMN NAME = TARGET_AMPLITUDE BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 47 FORMAT = "I4" DESCRIPTION = "Amplitude at the target detector" END_OBJECT OBJECT = COLUMN NAME = ACCELERATOR_AMPLITUDE BYTES = 3 DATA_TYPE = ASCII_INTEGER START_BYTE = 51 FORMAT = "I3" DESCRIPTION = "Amplitude at the accelerator detector" END_OBJECT OBJECT = COLUMN NAME = PHOTOMULTIPLIER_AMPLITUDE BYTES = 3 DATA_TYPE = ASCII_INTEGER START_BYTE = 54 FORMAT = "I3" DESCRIPTION = "Amplitude at the photomultiplier detector" END_OBJECT OBJECT = COLUMN NAME = CATCHER_AMPLITUDE BYTES = 3 DATA_TYPE = ASCII_INTEGER START_BYTE = 57 FORMAT = "I3" DESCRIPTION = "Amplitude at the catcher grid detector" END_OBJECT OBJECT = COLUMN NAME = MONITOR_AMPLITUDE BYTES = 3 DATA_TYPE = ASCII_INTEGER START_BYTE = 60 FORMAT = "I3" DESCRIPTION = "Amplitude at the monitor detector" END_OBJECT OBJECT = COLUMN NAME = CLASS1_COUNT BYTES = 5 DATA_TYPE = ASCII_INTEGER START_BYTE = 63 FORMAT = "I5" DESCRIPTION = "Running count of class 1 events" END_OBJECT OBJECT = COLUMN NAME = CLASS2_COUNT BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 68 FORMAT = "I4" DESCRIPTION = "Running count of class 2 events" END_OBJECT OBJECT = COLUMN NAME = CLASS3_COUNT BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 72 FORMAT = "I4" DESCRIPTION = "Running count of class 3 events" END_OBJECT OBJECT = COLUMN NAME = CLASS4_COUNT BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 76 FORMAT = "I4" DESCRIPTION = "Running count of class 4 events" END_OBJECT OBJECT = COLUMN NAME = CLASS5_COUNT BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 80 FORMAT = "I4" DESCRIPTION = "Running count of events with class >= 5" END_OBJECT OBJECT = COLUMN NAME = VOLTAGE BYTES = 6 DATA_TYPE = ASCII_INTEGER START_BYTE = 84 FORMAT = "I6" DESCRIPTION = "Multiplier voltage" END_OBJECT OBJECT = COLUMN NAME = IMPACT_RATE BYTES = 5 DATA_TYPE = ASCII_INTEGER START_BYTE = 90 FORMAT = "I5" UNIT = "SEC**-1" DESCRIPTION = "The number of impact events occuring per second." END_OBJECT OBJECT = COLUMN NAME = LARGE_IMPACT_RATE BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 95 FORMAT = "I4" DESCRIPTION = "Impact rate for events which exceed the x100 discriminator voltage (i.e., large events)" END_OBJECT OBJECT = COLUMN NAME = SPECTRUM_IMPACT_RATE BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 99 FORMAT = "I4" DESCRIPTION = "Impact rate for events which also show a spectrum corresponding to class 4-7 events." END_OBJECT OBJECT = COLUMN NAME = TARGET_NOISE BYTES = 5 DATA_TYPE = ASCII_INTEGER START_BYTE = 103 FORMAT = "I5" DESCRIPTION = "Noise at the target" END_OBJECT OBJECT = COLUMN NAME = ACCELERATOR_NOISE BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 108 FORMAT = "I4" DESCRIPTION = "Noise at the accelerator" END_OBJECT OBJECT = COLUMN NAME = PHOTOMULTIPLIER_NOISE BYTES = 4 DATA_TYPE = ASCII_INTEGER START_BYTE = 112 FORMAT = "I4" DESCRIPTION = "Noise at the photomultiplier" END_OBJECT END_OBJECT = TABLE /* INDEX_TABLE */ END