PDS_VERSION_ID = PDS3 DATA_SET_ID = "CO-E/J/S/SW-MIMI-2-LEMMS-UNCALIB-V1.1" PRODUCT_ID = "LFRT2_2005349_0003" STANDARD_DATA_PRODUCT_ID = "MIMI_LEMMS_FRT" PRODUCT_TYPE = "DATA" PRODUCT_VERSION_ID = "0003" PRODUCT_CREATION_TIME = 2013-211T17:31:17 RECORD_TYPE = STREAM INTERCHANGE_FORMAT = ASCII FILE_RECORDS = 148231 START_TIME = 2005-349T00:00:00 STOP_TIME = 2005-349T23:59:59 NATIVE_START_TIME = "187876865.888000" NATIVE_STOP_TIME = "187963269.980000" SPACECRAFT_CLOCK_START_COUNT = "1/1513297753.031" SPACECRAFT_CLOCK_STOP_COUNT = "1/1513384157.212" INSTRUMENT_HOST_NAME = "CASSINI ORBITER" INSTRUMENT_HOST_ID = "CO" MISSION_PHASE_NAME = "TOUR" ORBIT_NAME = "19" TARGET_NAME = "SATURN" INSTRUMENT_NAME = "MAGNETOSPHERIC IMAGING INSTRUMENT" INSTRUMENT_ID = "MIMI" DESCRIPTION = " Microsector accumulations for the LEMMS sensor of the MIMI instrument on the Cassini spacecraft" ^HEADER = ("LFRT2_2005349_0003.CSV", 1 ) ^SPREADSHEET = ("LFRT2_2005349_0003.CSV", 1049) MD5_CHECKSUM = "3c1e44f6fb0ec2a3a6c3c424fca6049a" OBJECT = HEADER RECORDS = 7 BYTES = 1048 HEADER_TYPE = SPREADSHEET DESCRIPTION = " This file contains multiple rows of information: Row 1 - Column headings as comma separated (CS) double quoted strings. Row 2 - Valid minimum values for each of the data columns (CS). Row 3 - Valid maximum values for each of the data columns (CS). Row 4 - Actual minimum values for each of the data columns (CS). Row 5 - Actual maximum values for each of the data columns (CS). Row 6 - Mean value of all data within each column (CS). Row 7 - Standard Deviation of all data within each column (CS)." END_OBJECT = HEADER OBJECT = SPREADSHEET ROWS = 148224 FIELDS = 24 ROW_BYTES = 241 FIELD_DELIMITER = COMMA OBJECT = FIELD NAME = "PURPOSE" FIELD_NUMBER = 1 DATA_TYPE = CHARACTER BYTES = 32 DESCRIPTION = " The PURPOSE field identifies the purpose or function of the data contained in current row. Valid entries include: SCI - normal science data values VALID_MIN - the inclusive or exclusive minimum value allowed for this column VALID_MAX - the inclusive or exclusive maximum value allowed for this column MIN - the minimum value for this column present in this product MAX - the maximum value for this column present in this product MEAN - the mean of the values in this column in this product, this value will be rounded for integer columns STDEV - the standard deviation of the values in this column in this product, this value will be rounded for integer columns" END_OBJECT = FIELD OBJECT = FIELD NAME = "UTC" FIELD_NUMBER = 2 DATA_TYPE = CHARACTER BYTES = 21 DESCRIPTION = " The time as YYYY-DOYTHH:MM:SS.HHH calculated using the starting Ephemeris Time for this record" END_OBJECT = FIELD OBJECT = FIELD NAME = "SCLOCK" FIELD_NUMBER = 3 DATA_TYPE = CHARACTER BYTES = 16 DESCRIPTION = " SCLOCK in ticks calculated using the starting Ephemeris Time for this record. The SCLOCK format is #/NNNNNNNNNN.FFF where # is the partition number NNNNNNNNNN is the number of ticks since the beginning of the mission FFF is the fine number of ticks as 1/256 of a second" END_OBJECT = FIELD OBJECT = FIELD NAME = "START_EPHEMERIS_S" FIELD_NUMBER = 4 UNIT = SECOND DATA_TYPE = ASCII_REAL BYTES = 20 VALID_MINIMUM = -71063936 VALID_MAXIMUM = 757339265 DESCRIPTION = " The J2000 ephemeris time in seconds at the beginning of the time period for this record." END_OBJECT = FIELD OBJECT = FIELD NAME = "END_EPHEMERIS_S" FIELD_NUMBER = 5 UNIT = SECOND DATA_TYPE = ASCII_REAL BYTES = 20 VALID_MINIMUM = -71063936 VALID_MAXIMUM = 757339265 DESCRIPTION = " The J2000 ephemeris time in seconds at the end of the time period for this record." END_OBJECT = FIELD OBJECT = FIELD NAME = "SPIN_COUNTER" FIELD_NUMBER = 6 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 16383 DESCRIPTION = " MIMI always organizes time by Spins, when Cassini is not in spin mode, MIMI uses a commanded virtual spin period. This column is a counter that increments with each spin or virtual spin. This counter resets when MIMI undergoes certain operations like shutdown, and is not sufficiently large that it will not roll over." END_OBJECT = FIELD OBJECT = FIELD NAME = "SECTOR" FIELD_NUMBER = 7 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 15 DESCRIPTION = " Each spin is divided into 16 sectors. Sectors have no meaning with regard to pointing. They are nothing more or less than segments of time. This column contains the zero based index of the sector. Sectors have special significance in that the beginning of a sector is the only time that MIMI records the SCLOCK. All other times must be calculated based on the subsector, and, where appropriate, microsector values provided below. Times in this product were calculated in this manner." END_OBJECT = FIELD OBJECT = FIELD NAME = "START_SECTOR_SCLOCK_MAJOR" FIELD_NUMBER = 8 UNIT = COUNT DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 4000000000 DESCRIPTION = " The value of the Spacecraft clock at the beginning of Sector during which this record occurred. This, combined with subsector, and microsector where appropriate, is the monotonic timestamp for the each record. All other times are calculated from this time representation." END_OBJECT = FIELD OBJECT = FIELD NAME = "SUBSECTOR" FIELD_NUMBER = 9 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 15 DESCRIPTION = " Each sector is divided into 16 subsectors. Subsectors have no meaning as far as pointing. They are nothing more or less than segments of time." END_OBJECT = FIELD OBJECT = FIELD NAME = "MICROSECTORS_COVERED" FIELD_NUMBER = 10 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 2 VALID_MAXIMUM = 1024 DESCRIPTION = " Each subsector is divided into 16 microsectors. Microsectors have no meaning as far as pointing. They are nothing more or less than segments of time. This column is the number of microsectors over which this record was recorded, i.e. 16 for one subsector, 32 for two subsectors, 256 for one sector, etc." END_OBJECT = FIELD OBJECT = FIELD NAME = "SPIN_PERIOD_S" FIELD_NUMBER = 11 UNIT = SECOND DATA_TYPE = ASCII_REAL BYTES = 20 VALID_MINIMUM = 680 VALID_MAXIMUM = 3072 DESCRIPTION = " The spacecraft spin period in seconds. If the spacecraft is not in spin mode, this is the virtual spin period used by the MIMI sensor to determine the timing of data collection. This value is not very reliable. It represents the 'nominal' spin period. When the spin period is changing, it will not be very accurate." END_OBJECT = FIELD OBJECT = FIELD NAME = "STARING" FIELD_NUMBER = 12 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 1 DESCRIPTION = " 0 if the spacecraft is in spin mode, 1 if the not in spin mode." END_OBJECT = FIELD OBJECT = FIELD NAME = "SENSOR_BITRATE" FIELD_NUMBER = 13 DATA_TYPE = ASCII_INTEGER BYTES = 1 VALID_MINIMUM = 1 VALID_MAXIMUM = 5 DESCRIPTION = " Describes the bit rate of each of the sensors (CHEMS, INCA, LEMMS). 1 = very low, 2 = low, 3 = medium, 4 = high, 5 = very high." END_OBJECT = FIELD OBJECT = FIELD NAME = "MICROSECTOR" FIELD_NUMBER = 14 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 15 DESCRIPTION = " Each subsector is divided into 16 microsectors. microsectors have no meaning as far as pointing. They are nothing more or less than segments of time." END_OBJECT = FIELD OBJECT = FIELD NAME = "A0" FIELD_NUMBER = 15 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 40000 DESCRIPTION = " This field contains the counts sampled by the indicated LEMMS channel over the duration derived from either the END_EPHEMERIS_S - START_EPHEMERIS_S or else START_EPHEMERIS_S (of the next contiguous record) - START_EPHEMERIS_S (of this record)." END_OBJECT = FIELD OBJECT = FIELD NAME = "A1" FIELD_NUMBER = 16 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 40000 DESCRIPTION = " This field contains the counts sampled by the indicated LEMMS channel over the duration derived from either the END_EPHEMERIS_S - START_EPHEMERIS_S or else START_EPHEMERIS_S (of the next contiguous record) - START_EPHEMERIS_S (of this record)." END_OBJECT = FIELD OBJECT = FIELD NAME = "C1" FIELD_NUMBER = 17 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 40000 DESCRIPTION = " This field contains the counts sampled by the indicated LEMMS channel over the duration derived from either the END_EPHEMERIS_S - START_EPHEMERIS_S or else START_EPHEMERIS_S (of the next contiguous record) - START_EPHEMERIS_S (of this record)." END_OBJECT = FIELD OBJECT = FIELD NAME = "C5" FIELD_NUMBER = 18 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 40000 DESCRIPTION = " This field contains the counts sampled by the indicated LEMMS channel over the duration derived from either the END_EPHEMERIS_S - START_EPHEMERIS_S or else START_EPHEMERIS_S (of the next contiguous record) - START_EPHEMERIS_S (of this record)." END_OBJECT = FIELD OBJECT = FIELD NAME = "E4" FIELD_NUMBER = 19 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 40000 DESCRIPTION = " This field contains the counts sampled by the indicated LEMMS channel over the duration derived from either the END_EPHEMERIS_S - START_EPHEMERIS_S or else START_EPHEMERIS_S (of the next contiguous record) - START_EPHEMERIS_S (of this record)." END_OBJECT = FIELD OBJECT = FIELD NAME = "P2" FIELD_NUMBER = 20 DATA_TYPE = ASCII_INTEGER BYTES = 10 VALID_MINIMUM = 0 VALID_MAXIMUM = 40000 DESCRIPTION = " This field contains the counts sampled by the indicated LEMMS channel over the duration derived from either the END_EPHEMERIS_S - START_EPHEMERIS_S or else START_EPHEMERIS_S (of the next contiguous record) - START_EPHEMERIS_S (of this record)." END_OBJECT = FIELD OBJECT = FIELD NAME = "CENTER_LOOK_ANGLE_DEGREES" FIELD_NUMBER = 21 UNIT = DEGREE DATA_TYPE = ASCII_REAL BYTES = 20 VALID_MINIMUM = 0 VALID_MAXIMUM = 360 DESCRIPTION = " The angle in degrees of the LEMMS detector with the -z axis of the spacecraft, measured counter-clockwise about the y axis of the spacecraft." END_OBJECT = FIELD OBJECT = FIELD NAME = "LEMMS_SUN_ANGLE" FIELD_NUMBER = 22 UNIT = DEGREE DATA_TYPE = ASCII_REAL BYTES = 20 VALID_MINIMUM = -179.999 VALID_MAXIMUM = 180.000 DESCRIPTION = " The angle between the LEMMS Low Energy Telescope (LET) boresight and the spacecraft-to-Sun vector. This angle is calculated at the midpoint in time of the measurement and is useful in understanding when data corruption occurs due to light contamination from Solar UV radiation, which can cause spurious increases in the counting rates of the LET and High Energy Telescope (HET) of LEMMS." END_OBJECT = FIELD OBJECT = FIELD NAME = "LEMMS_SUN_ANGLE_PHI" FIELD_NUMBER = 23 UNIT = DEGREE DATA_TYPE = ASCII_REAL BYTES = 20 VALID_MINIMUM = -179.999 VALID_MAXIMUM = 180.000 DESCRIPTION = " This field represents the angle between the spacecraft-to-Sun vector projected into the spacecraft X-Z plane and the boresight of the LEMMS Low Energy Telescope (LET). Let the X-Z projection of the spacecraft-to-Sun vector be Vproj, and then compute for Vproj a rotation angle away from the spacecraft -Z axis (in the same way the field 77, the CENTER_LOOK_ANGLE_DEGREES, is computed), and then LEMMS_SUN_ANGLE_PHI is Q minus CENTER_LOOK_ANGLE_DEGREES. This angle is calculated at the midpoint in time of the measurement and is useful in understanding when data corruption occurs due to light contamination from Solar UV radiation, which can cause spurious increases in the counting rates of the LET and High Energy Telescope (HET) of LEMMS." END_OBJECT = FIELD OBJECT = FIELD NAME = "LEMMS_SUN_ANGLE_THETA" FIELD_NUMBER = 24 UNIT = DEGREE DATA_TYPE = ASCII_REAL BYTES = 20 VALID_MINIMUM = -179.999 VALID_MAXIMUM = 180.000 DESCRIPTION = " This field represents the angle between the spacecraft-to-Sun vector and the spacecraft X-Z plane. This angle is calculated at the midpoint in time of the measurement and is useful in understanding when data corruption occurs due to light contamination from Solar UV radiation, which can cause spurious increases in the counting rates of the LET and High Energy Telescope (HET) of LEMMS." END_OBJECT = FIELD END_OBJECT = SPREADSHEET END