CCSD3ZF0000100000001NJPL3IF0PDS200000001 = SFDU_LABEL RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 110 FILE_RECORDS = 6653 ^TABLE = "RIMCAT.TAB" DATA_SET_ID = "GO-E/L-NIMS-2-EDR-V1.0" SPACECRAFT_NAME = GALILEO_ORBITER INSTRUMENT_NAME = "NEAR_INFRARED_MAPPING_SPECTROMETER" INSTRUMENT_ID = NIMS OBJECT = TABLE NAME = RIM_CATALOG INTERCHANGE_FORMAT = ASCII ROWS = 6653 COLUMNS = 18 ROW_BYTES = 110 DESCRIPTION = "Spacecraft_Clock_RIM Table for Galileo NIMS EDR data. It contains one entry (row) for each RIM (60 2/3 seconds) of each NIMS EDR. It was generated by a program which scanned all of the EDRs, looking up observation information in the Observation table (OBSCAT.TAB). It may be used to track instrument mode and state changes, etc. A value of -1 for an entry in a column indicates that the true value could not be ascertained." OBJECT = COLUMN NAME = NATIVE_TIME_RIM DATA_TYPE = INTEGER START_BYTE = 1 BYTES = 8 FORMAT = "I8" DESCRIPTION = "Spacecraft clock Realtime IMage count" END_OBJECT = COLUMN OBJECT = COLUMN NAME = TIME DATA_TYPE = CHARACTER START_BYTE = 10 BYTES = 17 FORMAT = "A17" DESCRIPTION = "Universal Time, in ISO format, corresponding to the beginning of the spacecraft clock RIM." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_MODE_NUMBER DATA_TYPE = INTEGER START_BYTE = 28 BYTES = 2 FORMAT = "I2" DESCRIPTION = "A number (0-15) which identifies the NIMS instrument mode during the RIM:\n 0 Safe (fixed spectrometer)\n 1 Full map\n 2 Full spectrometer\n 3 Long map\n 4 Long spectrometer\n 5 Short map\n 6 Short spectrometer\n 7 Fixed map\n 8 Bandedge map\n 9 Bandedge spectrometer\n 10 Stop and slide map\n 11 Stop and slide spectrometer\n 12-15 Special sequences (programmable) The mode may change from RIM to RIM during an observation, so it may be different than the initial mode shown in the OBSCAT. A value of -1 indicates the mode is unknown." END_OBJECT = COLUMN OBJECT = COLUMN NAME = GAIN_MODE_NUMBER DATA_TYPE = INTEGER START_BYTE = 31 BYTES = 2 FORMAT = "I2" DESCRIPTION = "A number which identifies the gain state (1-4) of the NIMS instrument during the RIM. These states vary roughly from low gain (1) to high gain (4) and apply to the non-thermal detectors (1-14) only. A value of -1 indicates the gain is unknown." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CHOPPER_MODE_NUMBER DATA_TYPE = INTEGER START_BYTE = 34 BYTES = 2 FORMAT = "I2" DESCRIPTION = "A number which identifies the chopper mode of the NIMS instrument during the RIM:\n 1 Reference mode\n 2 63-hertz mode\n 3 Free-run\n 4 Off\n A value of -1 indicates the chopper mode is unknown." END_OBJECT = COLUMN OBJECT = COLUMN NAME = GRATING_OFFSET DATA_TYPE = INTEGER START_BYTE = 37 BYTES = 2 FORMAT = "I2" DESCRIPTION = "The physical offset (0-7) of the NIMS grating during the RIM. It defines the physical grating position of logical grating position 0." END_OBJECT = COLUMN OBJECT = CONTAINER NAME = PARAMETER_TABLES START_BYTE = 39 BYTES = 18 REPETITIONS = 2 DESCRIPTION = "The contents of the two Parameter Tables (PTABs) in the NIMS instrument. The PTABs control the operation of the instrument. Six items have been extracted from each 4-byte parameter table. Values of -1 for the first, fourth, fifth and sixth items indicate invalid PTABs." OBJECT = COLUMN NAME = MODE_REPEAT_COUNT DATA_TYPE = INTEGER START_BYTE = 1 BYTES = 3 FORMAT = "I3" DESCRIPTION = "The mode repeat count is the number of times the grating cycle defined in the PTAB is to be repeated before control is transferred to the other PTAB. It is the first byte of the PTAB. A value of -1 indicates an invalid PTAB." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MIRROR_OPERATION_FLAG DATA_TYPE = INTEGER START_BYTE = 6 BYTES = 1 FORMAT = "I1" DESCRIPTION = "The mirror operation flag, if set, indicates that the NIMS secondary mirror is operating, i.e. the instrument is in a MAP mode. If the flag is not set, the mirror remains in position 9 (of 0-19), i.e. the instrument is in a SPECTROMETER mode. The flag is the first bit of the second byte of the PTAB." END_OBJECT = COLUMN OBJECT = COLUMN NAME = AUTOBIAS_FLAG DATA_TYPE = INTEGER START_BYTE = 9 BYTES = 1 FORMAT = "I1" DESCRIPTION = "The autobias flag, if set, means that thermal channel autobias is off. This is intended for use only when the NIMS instrument is at room temperature. The flag is normally NOT set, implying that the thermal detectors (15-17) have different gains in each half of the DN range. This flag is the second bit of the second byte of the PTAB." END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_GRATING_POSITION DATA_TYPE = INTEGER START_BYTE = 11 BYTES = 2 FORMAT = "I2" DESCRIPTION = "The start grating position is the first logical position of the grating when the PTAB assumes control of the instrument. It is in the 6 least significant bits of the second byte of of the PTAB. A value of -1 indicates an invalid PTAB." END_OBJECT = COLUMN OBJECT = COLUMN NAME = GRATING_POSITION_INCREMENT DATA_TYPE = INTEGER START_BYTE = 14 BYTES = 2 FORMAT = "I2" DESCRIPTION = "The grating position increment controls the step size between grating positions. It is the third byte of the PTAB. A value of -1 indicates an invalid PTAB." END_OBJECT = COLUMN OBJECT = COLUMN NAME = GRATING_POSITIONS DATA_TYPE = INTEGER START_BYTE = 17 BYTES = 2 FORMAT = "I2" DESCRIPTION = "The number of grating positions (separated by the grating position increment) in one repetition of the operation defined in the PTAB, except for fixed map and safe modes, in which it governs only the motions of the secondary mirror. It is the fourth byte of the PTAB." END_OBJECT = COLUMN END_OBJECT = CONTAINER OBJECT = COLUMN NAME = ELECTRONICS_CALIBRATION_FLAG DATA_TYPE = INTEGER START_BYTE = 77 BYTES = 1 FORMAT = "I1" DESCRIPTION = "An electronic calibration of the NIMS instrument will occur during the RIM if the flag is set." END_OBJECT = COLUMN OBJECT = COLUMN NAME = OPTICAL_CALIBRATION_FLAG DATA_TYPE = INTEGER START_BYTE = 80 BYTES = 1 FORMAT = "I1" DESCRIPTION = "An optical calibration of the NIMS instrument will occur during the RIM if the flag is set." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NEW_COMMAND_FLAG DATA_TYPE = INTEGER START_BYTE = 83 BYTES = 1 FORMAT = "I1" DESCRIPTION = "If the flag is set, a new command was received by the instrument." END_OBJECT = COLUMN OBJECT = COLUMN NAME = OAPEL_ID DATA_TYPE = CHARACTER START_BYTE = 85 BYTES = 12 FORMAT = "A12" DESCRIPTION = "The Orbital Activity Profile ELement ID identifies the planned observation to which the RIM belongs. It is commonly known as the OAPEL name. A value of NULL is used where there is no planned observation corresponding to the data." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SEGMENT_ID DATA_TYPE = CHARACTER START_BYTE = 98 BYTES = 1 FORMAT = "A1" DESCRIPTION = "The segment ID identifies a part of an observation which has been separated for processing convenience. (Parts of observations in different instrument modes are usually processed separately.) Ordered segments within an observation are usually represented by alphabetic characters in order, beginning with 'A'. If the observation is unsegmented, the segment ID is left blank." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRIMARY_TARGET_NAME DATA_TYPE = CHARACTER START_BYTE = 100 BYTES = 8 FORMAT = "A8" DESCRIPTION = "The primary target of the observation to which the RIM belongs. Besides the various planets and satellites, this may be SKY, STAR (for boresight calibration), DARK (for dark calibrations) or CAL (for optical and radiometric calibrations). UNK indicates the target is unknown." END_OBJECT = COLUMN END_OBJECT = TABLE END