PDS_VERSION_ID                       = PDS3
RECORD_TYPE                          = FIXED_LENGTH
RECORD_BYTES                         = 48
FILE_RECORDS                         = 17
^TABLE                               = "JREF_DNS.TAB"

DATA_SET_ID                          = "GO-J-NIMS-4-ADR-SL9IMPACT-V1.0"
SPACECRAFT_NAME                      = GALILEO_ORBITER
MISSION_PHASE_NAME                   = "SHOEMAKER-LEVY 9 ENCOUNTER"
TARGET_NAME                          = JUPITER
OBSERVATION_NAME                     = {SLJNREFJUP01,SLJNFRAGMG01,
    SLJNFRAGMR01}
NOTE                                 = "NIMS reference spectra of Jupiter
    before SL-9 impact, and NIMS observations of G and R fragment impacts.
    // Mean data numbers, not dark corrected, for entire disk of Jupiter.
    These values are useful only in a relative sense, since pointing
    differences change the amount of Jupiter in the field-of-view."
START_TIME                           = 1994-195T08:09:03Z
STOP_TIME                            = 1994-202T05:05:18Z
SPACECRAFT_CLOCK_START_COUNT         = 2480846.33
SPACECRAFT_CLOCK_STOP_COUNT          = 2490643.22
PRODUCT_ID                           = "JREF_DNS.TAB"
PRODUCT_CREATION_TIME                = 1995-11-19

INSTRUMENT_NAME                      = "NEAR INFRARED MAPPING SPECTROMETER"
INSTRUMENT_ID                        = NIMS
INSTRUMENT_MODE_ID                   = FIXED_MAP
GAIN_MODE_ID                         = 2
CHOPPER_MODE_ID                      = 'REFERENCE'
START_GRATING_POSITION               = 2
OFFSET_GRATING_POSITION              = 4
GRATING_POSITION_INCREMENT           = 0
GRATING_POSITIONS                    = 1

OBJECT                               = TABLE
 INTERCHANGE_FORMAT                  = ASCII
 ROWS                                = 17
 COLUMNS                             = 6
 ROW_BYTES                           = 48

 OBJECT                              = COLUMN
  NAME                               = DETECTOR_NUMBER
  DESCRIPTION                        = "NIMS detector (of 17)"
  DATA_TYPE                          = INTEGER
  START_BYTE                         = 1
  BYTES                              = 3
 END_OBJECT                          = COLUMN

 OBJECT                              = COLUMN
  NAME                               = WAVELENGTH
  DESCRIPTION                        = "Wavelength of NIMS detector"
  DATA_TYPE                          = REAL
  UNIT                               = MICROMETER
  START_BYTE                         = 5
  BYTES                              = 6
 END_OBJECT                          = COLUMN

 OBJECT                              = COLUMN
  NAME                               = PRE_G_IMPACT_MEAN_DATA_NUMBER
  DESCRIPTION                        = "Mean data number, not dark
    corrected, for entire disk of Jupiter, before impact of the G fragment
    of the SL-9 comet -- 26 pixels contribute to each detector average"
  DATA_TYPE                          = REAL
  UNIT                               = DIMENSIONLESS
  START_BYTE                         = 12
  BYTES                              = 8
 END_OBJECT                          = COLUMN

 OBJECT                              = COLUMN
  NAME                               = PRE_R_IMPACT_MEAN_DATA_NUMBER
  DESCRIPTION                        = "Mean data number, not dark
    corrected, for entire disk of Jupiter, before impact of the R fragment
    of the SL-9 comet -- 8 pixels contribute to each detector average"
  DATA_TYPE                          = REAL
  UNIT                               = DIMENSIONLESS
  START_BYTE                         = 21
  BYTES                              = 8
 END_OBJECT                          = COLUMN

 OBJECT                              = COLUMN
  NAME                               = PRE_SL9_IMPACT_MEAN_DATA_NUMBER
  DESCRIPTION                        = "Mean data number, not dark
    corrected, for entire disk of Jupiter, before impact of any fragments
    of the SL-9 comet -- 8 pixels contribute to each detector average"
  DATA_TYPE                          = REAL
  UNIT                               = DIMENSIONLESS
  START_BYTE                         = 30
  BYTES                              = 8
 END_OBJECT                          = COLUMN

 OBJECT                              = COLUMN
  NAME                               = WEIGHTED_MEAN_DATA_NUMBER
  DESCRIPTION                        = "Weighted mean of the previous
    three columns"
  DATA_TYPE                          = REAL
  UNIT                               = DIMENSIONLESS
  START_BYTE                         = 39
  BYTES                              = 8
 END_OBJECT                          = COLUMN

END_OBJECT                           = TABLE
END