PDS_VERSION_ID = PDS3 DATA_SET_ID = "LP-L-MAG-4-SUMM-LUNARCRDS-5SEC-V1.0" PRODUCT_ID = "MA980418" PRODUCT_TYPE = "DATA" PRODUCT_VERSION_ID = "V1.0-01" PRODUCT_CREATION_TIME = 2002-05-31 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 153 FILE_RECORDS = 17280 START_TIME = 1998-04-18T00:00:02.5 STOP_TIME = 1998-04-18T23:59:57.5 SPACECRAFT_CLOCK_START_COUNT = "UNK" SPACECRAFT_CLOCK_STOP_COUNT = "UNK" INSTRUMENT_HOST_NAME = "LUNAR PROSPECTOR" INSTRUMENT_HOST_ID = "LP" MISSION_PHASE_NAME = "MAPPING PHASE 1" TARGET_NAME = "MOON" INSTRUMENT_NAME = "MAGNETOMETER" INSTRUMENT_ID = "MAG" NOTE = " 1-day ASCII table of Lunar Prospector magnetometer data in SSE and SEL coordinates, plus spacecraft position data." DESCRIPTION = " The data are provided as ASCII ''tables'' of 1 day duration in Selenocentric Solar Ecliptic (SSE) and Selenographic (SEL) coordinates. The SSE coordinate system has its X-axis along the Moon-Sun line, positive towards the Sun. The Z-axis is parallel to the northward normal to the Earth's ecliptic plane, and Y completes the right-handed set. The SEL coordinate system used here is a Cartesian representation that places the Z-axis along the rotation axis of the Moon, positive in the direction of angular momentum. The X-axis lies in the lunar equatorial plane at 0 degrees longitude, and Y completes the right-handed set. MAG Data: naming convention: MAyymmdd.TAB PDS_time: Time (UTC) in standard PDS format. decimal_day: Decimal day, with Jan. 1 = 1. mag_field_SEL: Array[3] giving B-field components in SEL. mag_field_SSE: Array[3] giving B-field components in SSE. mag_field_RMS: RMS deviation of magnetic field. sc_pos_SEL: Array[3] giving spacecraft position in SEL. sc_pos_SSE: Array[3] giving spacecraft position in SSE. isun: Sunpulse indicator. These data fields are explained in the column descriptions given later in this file." ^TABLE = "MA980418.TAB" OBJECT = TABLE INTERCHANGE_FORMAT = ASCII ROWS = 17280 COLUMNS = 16 ROW_BYTES = 153 OBJECT = COLUMN NAME = "TIME" COLUMN_NUMBER = 1 UNIT = "N/A" DATA_TYPE = TIME START_BYTE = 1 BYTES = 21 DESCRIPTION = " This column contains spacecraft event time (SCET) of the center of the 5 second averaging window. Averages are non-overlapping. The time format is the PDS time format: yyyy-mm-ddThh:mm:ss.s." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "DECIMAL DAY" COLUMN_NUMBER = 2 UNIT = "DAY" DATA_TYPE = ASCII_REAL START_BYTE = 24 BYTES = 10 MISSING_CONSTANT = 999.999999 DESCRIPTION = " This column contains the decimal day corresponding to the spacecraft event time (SCET) of the center of the 5 second averaging window. Day 1 corresponds to Jan. 1. Averages are non-overlapping." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "Bx_SEL" COLUMN_NUMBER = 3 UNIT = "nT" DATA_TYPE = ASCII_REAL START_BYTE = 35 BYTES = 8 MISSING_CONSTANT = 999.999 DESCRIPTION = "X magnetic field component in the SEL coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "By_SEL" COLUMN_NUMBER = 4 UNIT = "nT" DATA_TYPE = ASCII_REAL START_BYTE = 44 BYTES = 7 MISSING_CONSTANT = 999.999 DESCRIPTION = "Y magnetic field component in the SEL coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "Bz_SEL" COLUMN_NUMBER = 5 UNIT = "nT" DATA_TYPE = ASCII_REAL START_BYTE = 52 BYTES = 7 MISSING_CONSTANT = 999.999 DESCRIPTION = "Z magnetic field component in the SEL coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "Bx_SSE" COLUMN_NUMBER = 6 UNIT = "nT" DATA_TYPE = ASCII_REAL START_BYTE = 60 BYTES = 8 MISSING_CONSTANT = 999.999 DESCRIPTION = "X magnetic field component in the SSE coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "By_SSE" COLUMN_NUMBER = 7 UNIT = "nT" DATA_TYPE = ASCII_REAL START_BYTE = 69 BYTES = 7 MISSING_CONSTANT = 999.999 DESCRIPTION = "Y magnetic field component in the SSE coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "Bz_SSE" COLUMN_NUMBER = 8 UNIT = "nT" DATA_TYPE = ASCII_REAL START_BYTE = 77 BYTES = 7 MISSING_CONSTANT = 999.999 DESCRIPTION = "Z magnetic field component in the SSE coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "B_RMS" COLUMN_NUMBER = 9 UNIT = "nT" DATA_TYPE = ASCII_REAL START_BYTE = 86 BYTES = 7 MISSING_CONSTANT = 999.999 DESCRIPTION = "RMS deviation of the field magnitude. Provides an indication of field variability for the 5 second window." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "X_SEL" COLUMN_NUMBER = 10 UNIT = "KM" DATA_TYPE = ASCII_REAL START_BYTE = 94 BYTES = 9 MISSING_CONSTANT = 999999.99 DESCRIPTION = "Spacecraft X coordinate in the SEL coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "Y_SEL" COLUMN_NUMBER = 11 UNIT = "KM" DATA_TYPE = ASCII_REAL START_BYTE = 104 BYTES = 8 MISSING_CONSTANT = 999999.99 DESCRIPTION = "Spacecraft Y coordinate in the SEL coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "Z_SEL" COLUMN_NUMBER = 12 UNIT = "KM" DATA_TYPE = ASCII_REAL START_BYTE = 113 BYTES = 8 MISSING_CONSTANT = 999999.99 DESCRIPTION = "Spacecraft Z coordinate in the SEL coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "X_SSE" COLUMN_NUMBER = 13 UNIT = "KM" DATA_TYPE = ASCII_REAL START_BYTE = 122 BYTES = 9 MISSING_CONSTANT = 999999.99 DESCRIPTION = "Spacecraft X coordinate in the SSE coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "Y_SSE" COLUMN_NUMBER = 14 UNIT = "KM" DATA_TYPE = ASCII_REAL START_BYTE = 132 BYTES = 8 MISSING_CONSTANT = 999999.99 DESCRIPTION = "Spacecraft Y coordinate in the SSE coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "Z_SSE" COLUMN_NUMBER = 15 UNIT = "KM" DATA_TYPE = ASCII_REAL START_BYTE = 141 BYTES = 8 MISSING_CONSTANT = 999999.99 DESCRIPTION = "Spacecraft Z coordinate in the SSE coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "ISUN" COLUMN_NUMBER = 16 UNIT = "N/A" DATA_TYPE = ASCII_INTEGER START_BYTE = 151 BYTES = 1 MISSING_CONSTANT = 9 DESCRIPTION = "A parameter from the sunpulse file indicating whether the spacecraft is in the sun (0) or in eclipse (1). A value of 2 indicates that the sunpulse file was not available and the data were processed using the less accurate determination of sunpulse time in the Level 0 data file. There may be some errors in this column, with values of 1 and 0 interchanged." END_OBJECT = COLUMN END_OBJECT = TABLE END