PDS_VERSION_ID                 = PDS3
LABEL_REVISION_NOTE            = "2011-06-10 F. Morgan (APL), created;"

/*( NOTE: Comments in this label that are delimited with parentheses,     )*/
/*( for example:                                                          )*/
        /*( comment )*/
/*( are notes to the data provider. These comments should be removed      )*/
/*( from the final label.  Comments without parentheses, for example:     )*/
        /* comment */
/*( are intended to be part of the final label.                           )*/

/* Level 6 CDR (Calibration Data Record) Identification */

DATA_SET_ID                    = "MRO-M-CRISM-4/6-CDR-V1.0"
PRODUCT_ID                     = "CDR6_5_0920541621_WC_L_2"

PRODUCT_TYPE                   = CDR
SPACECRAFT_ID                  = MRO
INSTRUMENT_ID                  = CRISM
START_TIME                     = 2009-03-03T10:00
STOP_TIME                      = 2009-06-09T16:00
SPACECRAFT_CLOCK_START_COUNT   = "5/0920541621" 
SPACECRAFT_CLOCK_STOP_COUNT    = "6/0929030422" 
OBSERVATION_TIME               = NULL
PRODUCT_CREATION_TIME          = 2011-06-10T19:55:41

OBSERVATION_TYPE               = NULL 
OBSERVATION_ID                 = NULL 
MRO:OBSERVATION_NUMBER         = NULL 
MRO:ACTIVITY_ID                = NULL 
SOURCE_PRODUCT_ID              = NULL
MRO:SENSOR_ID                  = "L" 
PRODUCT_VERSION_ID             = "2" 

MRO:SOURCE_PRODUCT_START_TIME  = 2009-03-03T21:43:43
MRO:SOURCE_PRODUCT_STOP_TIME   = 2009-06-03T09:10:44

/* CDR Instrument and Observation Parameters */

MRO:WAVELENGTH_FILE_NAME       = "CDR410803692813_WA0000000L_3.IMG"
MRO:DETECTOR_TEMPERATURE       = NULL 
MRO:OPTICAL_BENCH_TEMPERATURE  = NULL 
MRO:SPECTROMETER_HOUSING_TEMP  = NULL 
MRO:SPHERE_TEMPERATURE         = NULL 
SHUTTER_MODE_ID                = "OPEN" 
LIGHT_SOURCE_NAME              = "NONE" 
MRO:CALIBRATION_LAMP_STATUS    = "OFF" 
MRO:CALIBRATION_LAMP_LEVEL     = 0 

/* CRISM TEMPERATURE DEPENDENT WAVELENGTH SHIFT COEFFICIENT TABLE           */
/*                                                                          */
/* The CRISM IR wavelength calibration shifts by an amount dependent on the */
/* temperature of the optical bench. The shift has been determined by       */
/* fitting atmospheric spectral features, and can be estimated at any given */
/* bench temperature using a linear fit. It is found that fit coefficients  */
/* vary in an asystematic way. They appear to be relatively constant during */
/* periods when the instrument is thermally quasi-stable. However, the fit  */
/* parameters may change when the instrument warms and then cooled down     */
/* again. Thus, the duration of PSP has been divided into periods between   */
/* thermal events and a coefficients are given in separate CDRs for each    */
/* thermally stable period.                                                 */
/*                                                                          */
/* During a given period, the spectral shift (in nm) at a bench temperature */
/* T_bench (degrees C) is:                                                  */
/*      delta_wavelength = ave_delta_wave + slope*(T_bench - T_ave)         */
/* where ave_delta_wave, slope, and T_ave are the linear fit coefficients   */
/* for that period, given by the WC CDR.                                    */
/*   ave_delta_wave = average shift (nm)over the period, all gimballed obs  */
/*   slope = slope of the wavelength vs. temperature fit (nm/degree C)      */
/*   T_ave = average bench temperature over the period (degrees C)          */
/*                                                                          */
/* This spectral shift is added to wavelengths from the WA or SW CDR to     */
/* get the absolute, shifted wavelength at a given bench temperature        */
/* during a specific thermally stable period.                               */
/*      absolute_shifted_wavelength = CDR_wavelength + delta_wavelength     */
/*                                                                          */
/* Spectral shift coefficients derived from Patrick McGuire's analysis      */
/* reported in file                                                         */
/*    CRISM_psurffit_temps_22segs_20110505_fm.xls                           */
/* The fit to determine shift coefficients includes shifts derived from     */
/* observations spannng the period MRO:SOURCE_PRODUCT_START_TIME            */
/* to MRO:SOURCE_PRODUCT_STOP_TIME. The period of applicability of this     */
/* CDR extends beyond that interval in order to cover non-gimbaled          */
/* observations from which accurate shifts are not derived and-or gimballed */
/* observations that may not have been thermally stable. Application of     */
/* this CDR outside the fit period provides the best available estimate     */
/* of the wavelength shift, but should be considered an extrapolation.      */
/*                                                                          */
/* Related CDRs: The shift is applied to WA or SW CDR wavelengths.          */

/* This WC CDR applies to a period starting:                                */
/*      SCLK = 5/0920541621                                                 */
/*      UTC  = 2009-03-03T10:00                                             */
/*      EVENT: MRO Safe Mode                                                */
/* And ending:                                                              */
/*      SCLK = 6/0929030422                                                 */
/*      UTC  = 2009-06-09T16:00                                             */
/*      EVENT: MRO Safe Mode                                                */


OBJECT                         = FILE
  ^TABLE                       = "CDR6_5_0920541621_WC_L_2.TAB"
  RECORD_TYPE                  = FIXED_LENGTH
  RECORD_BYTES                 = 25
  FILE_RECORDS                 = 1

  OBJECT                       = TABLE
    NAME                       = "CRISM WAVELENGTH SHIFT COEFFICIENTS"
    INTERCHANGE_FORMAT         = "ASCII"
    ROWS                       = 1
    COLUMNS                    = 3
    ROW_BYTES                  = 25
    DESCRIPTION                = "CRISM thermal wavelength shift coefficient table "

    OBJECT                     = COLUMN 
      COLUMN_NUMBER            = 1
      NAME                     = AVEWAVE
      DATA_TYPE                = ASCII_INTEGER
      START_BYTE               = 1
      BYTES                    = 6
      DESCRIPTION              = "average wavelength shift (nm)"
      UNIT                     = "NM"
    END_OBJECT                 = COLUMN

    OBJECT                     = COLUMN 
      COLUMN_NUMBER            = 2
      NAME                     = SLOPE
      DATA_TYPE                = ASCII_REAL
      START_BYTE               = 8
      BYTES                    = 8
      DESCRIPTION              = "shift vs temperature slope nm/degreeC"
      UNIT                     = "NM/DEGREE"
    END_OBJECT                 = COLUMN

    OBJECT                     = COLUMN 
      COLUMN_NUMBER            = 3
      NAME                     = AVETEMP
      DATA_TYPE                = ASCII_REAL
      START_BYTE               = 17
      BYTES                    = 7
      DESCRIPTION              = "average bench temperature (C)"
      UNIT                     = "DEGREES C"
    END_OBJECT                 = COLUMN

  END_OBJECT                   = TABLE
  
END_OBJECT                     = FILE

END