PDS_VERSION_ID = PDS3 LABEL_REVISION_NOTE = "2006-03-14 D. Humm (APL), created; version 0 column 1 and columns 2-10 from 5x5; version 1 D. Humm, replace all non-scene with 65535.; version 2 2006-09-21 D. Humm, column 1 from final ground Rob Green cal; columns 2-10 from 5x5; version 3 2007-01-23 D. Humm, layer 0 unchanged, adjust layers 1-9 so mean wavelength of two main peaks agrees with v3 WA CDR and increase amplitude of wide by factor of 0.25/0.15 to better fit the 5x5 data" /*( 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_1_0000000000_BW_L_3" PRODUCT_TYPE = CDR SPACECRAFT_ID = MRO INSTRUMENT_ID = CRISM START_TIME = 1980-01-01T00:00:00.000 STOP_TIME = NULL SPACECRAFT_CLOCK_START_COUNT = "1/0000000000" SPACECRAFT_CLOCK_STOP_COUNT = NULL OBSERVATION_TIME = NULL PRODUCT_CREATION_TIME = 2007-01-23T23:26:00 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 = "3" /* 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 IR Sampling Bandwidth Table */ /* This table gives the parameters to calculate the spectral profile */ /* for each wavelength bin averaged over IR columns 270-369. */ /* The BW level 6 CDR has 10 columns giving the parameters to calculate */ /* the spectral profile. */ /* The spectral profile equation is just the sum of 3 Gaussians: */ /* f(lambda)=alpha1*exp(-gamma1*(lambda-lambda1)^2) */ /* +alpha2*exp(-gamma2*(lambda-lambda2)^2) */ /* +alpha3*exp(-gamma3*(lambda-lambda3)^2) */ /* The first Gaussian is for the main peak, the second to model the */ /* asymmetric and double peaks seen in the data, and the third is a */ /* wide shallow Gaussian to model enhanced wings seen in the data. */ /* Layers 1,2,3,4,5,6,7,8,9 of the cube are are alpha1,gamma1,lambda1, */ /* alpha2,gamma2,lambda2,alpha3,gamma3,lambda3 respectively. */ /* Layer 0 of the cube gives a single Gaussian fitted to the spectral */ /* profile. This Gaussian may be */ /* useful as an approximation to f(lambda) when the details of the */ /* spectral profile are not important. */ /* The parameters alpha1,alpha2,alpha3 are defined such that the integral */ /* of f(lambda) is 1 with lambda given in nm. */ /* The spectral profiles change very little in columns 270-369, so */ /* this table is accurate for that region, and the assumption that bandwidth*/ /* does not change with spatial pixel, only with wavelength pixel, is */ /* accurate for many purposes. Outside the center of the field of view, */ /* the FWHM tends to get larger. This table does not take that into account*/ /* so it"s not a very accurate approximation for the full field of view. */ /* Related CDRs: The SB level 4 CDR gives the parameters to calculate */ /* the spectral profile for each detector pixel over the whole detector. */ OBJECT = FILE /* The time string in the file name will increment if there is a change in */ /* VNIR FWHM at the standard sampling wavelengths */ ^TABLE = "CDR6_1_0000000000_BW_L_3.TAB" RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 122 FILE_RECORDS = 480 OBJECT = TABLE NAME = "CRISM STANDARD SAMPLING BANDWIDTH TABLE" INTERCHANGE_FORMAT = "ASCII" ROWS = 480 COLUMNS = 11 ROW_BYTES = 122 DESCRIPTION = "CRISM Standard sampling bandwidth table " OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = ROWNUM DATA_TYPE = ASCII_INTEGER START_BYTE = 1 BYTES = 3 DESCRIPTION = "detector row number (0-479)" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = SAMPL_FWHM DATA_TYPE = ASCII_REAL START_BYTE = 5 BYTES = 8 DESCRIPTION = "Full-width at half maximum (FWHM) of single Gaussian approximation for columns 270-369" UNIT = "NM" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = SAMPL_A1 DATA_TYPE = ASCII_REAL START_BYTE = 14 BYTES = 12 DESCRIPTION = "Amplitude of first Gaussian in spectral profile model for columns 270-369 in inverse nm" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = SAMPL_G1 DATA_TYPE = ASCII_REAL START_BYTE = 27 BYTES = 13 DESCRIPTION = "Exponent factor for first Gaussian in spectral profile model for columns 270-369 in inverse nm squared" UNIT = "NM**-1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = SAMPL_L1 DATA_TYPE = ASCII_REAL START_BYTE = 41 BYTES = 8 DESCRIPTION = "Center wavelength in nm of first Gaussian in spectral profile model for columns 270-369" UNIT = "NM" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = SAMPL_A2 DATA_TYPE = ASCII_REAL START_BYTE = 50 BYTES = 12 DESCRIPTION = "Amplitude of second Gaussian in spectral profile model for columns 270-369 in inverse nm" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = SAMPL_G2 DATA_TYPE = ASCII_REAL START_BYTE = 63 BYTES = 13 DESCRIPTION = "Exponent factor for second Gaussian in spectral profile model for columns 270-369 in inverse nm squared" UNIT = "NM**-1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = SAMPL_L2 DATA_TYPE = ASCII_REAL START_BYTE = 77 BYTES = 8 DESCRIPTION = "Center wavelength in nm of second Gaussian in spectral profile model for columns 270-369" UNIT = "NM" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = SAMPL_A3 DATA_TYPE = ASCII_REAL START_BYTE = 86 BYTES = 12 DESCRIPTION = "Amplitude of third Gaussian in spectral profile model for columns 270-369 in inverse nm" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = SAMPL_G3 DATA_TYPE = ASCII_REAL START_BYTE = 99 BYTES = 13 DESCRIPTION = "Exponent factor for third Gaussian in spectral profile model for columns 270-369 in inverse nm squared" UNIT = "NM**-1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = SAMPL_L3 DATA_TYPE = ASCII_REAL START_BYTE = 113 BYTES = 8 DESCRIPTION = "Center wavelength in nm of third Gaussian in spectral profile model for columns 270-369" UNIT = "NM" END_OBJECT = COLUMN END_OBJECT = TABLE END_OBJECT = FILE END