OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = MERCURY_CENTRIC_LATITUDE DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 1 UNIT = DEGREE DESCRIPTION = " Weighted centerpoint Mercury centric latitude by where spectra were taken over the area of the sum. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = MERCURY_CENTRIC_LONGITUDE DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 5 UNIT = DEGREE DESCRIPTION = " Weighted centerpoint Mercury centric east longitude by where spectra were taken over the area of the sum. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = UTC_START_TIME DATA_TYPE = CHARACTER BYTES = 23 START_BYTE = 9 DESCRIPTION = " UTC time of first spectrum in sum. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = UTC_STOP_TIME DATA_TYPE = CHARACTER BYTES = 23 START_BYTE = 32 DESCRIPTION = " UTC time of last spectrum in sum. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = MET_START_TIME DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 START_BYTE = 55 DESCRIPTION = " Time of first spectrum in sum, in units of spacecraft clock (second). " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = MET_STOP_TIME DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 START_BYTE = 59 DESCRIPTION = " Time of last spectrum in sum, in units of spacecraft clock (seconds). " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = SUM_TYPE DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 1 START_BYTE = 63 UNIT = SECOND DESCRIPTION = "The type of sum, 0 - Full Planet, 1 - Full Planet less than 2000 kilometer altitude, 2 - Full Planet altitude between 2000 and 8000 kilometers, 3 - Full Planet altitude greater than 8000 kilometers, 4 - Full Planet altitude greater than 15000 kilometers, 5 - North pole (latitude >= 80) with altitude < 2000 kilometers, 6 - 15 x 15 degree cells above 45 degrees latitude with altitude < 2000 kilometers, 7 - 45 x 45 degree cells between 0 and 45 degrees latitude with altitude < 2000 kilometers. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = CLOCK_TIME DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 8 START_BYTE = 64 UNIT = SECOND DESCRIPTION = "Sum of collection durations. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = RECORD_COUNT DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 START_BYTE = 72 DESCRIPTION = "Count of spectra being summed. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = BAD_DATA_FLAG DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 2 START_BYTE = 76 DESCRIPTION = " Non-zero if any spectra had bad_data_flags set. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = HPGE_TEMP_1_MIN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 78 UNIT = KELVIN DESCRIPTION = " Minimum value of HPGE Detector Temperature 1. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 12 NAME = HPGE_TEMP_1_MAX DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 82 UNIT = KELVIN DESCRIPTION = " Maximum value of HPGE Detector Temperature 1. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 13 NAME = HPGE_TEMP_1_MEAN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 86 UNIT = KELVIN DESCRIPTION = " Mean value of HPGE Detector Temperature 1. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 14 NAME = HPGE_TEMP_1_STD DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 90 UNIT = KELVIN DESCRIPTION = " Standard Deviation of HPGE Detector Temperature 1. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 15 NAME = HPGE_TEMP_2_MIN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 94 UNIT = KELVIN DESCRIPTION = " Minimum value of HPGE Detector Temperature 2. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 16 NAME = HPGE_TEMP_2_MAX DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 98 UNIT = KELVIN DESCRIPTION = " Maximum value of HPGE Detector Temperature 2. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 17 NAME = HPGE_TEMP_2_MEAN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 102 UNIT = KELVIN DESCRIPTION = " Mean value of HPGE Detector Temperature 2. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 18 NAME = HPGE_TEMP_2_STD DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 106 UNIT = KELVIN DESCRIPTION = " Standard Deviation of HPGE Detector Temperature 2. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 19 NAME = CALIB_AVG_DET_TEMP_MIN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 110 UNIT = KELVIN DESCRIPTION = " Minimum value of Calibrated, averaged detector temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 20 NAME = CALIB_AVG_DET_TEMP_MAX DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 114 UNIT = KELVIN DESCRIPTION = " Maximum value of Calibrated, averaged detector temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 21 NAME = CALIB_AVG_DET_TEMP_MEAN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 118 UNIT = KELVIN DESCRIPTION = " Mean value of Calibrated, averaged detector temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 22 NAME = CALIB_AVG_DET_TEMP_STD DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 122 UNIT = KELVIN DESCRIPTION = " Standard Deviation of Calibrated, averaged detector temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 23 NAME = PREAMP_TEMP_MIN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 126 UNIT = CELSIUS DESCRIPTION = " Minimum value of Pre Amp Temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 24 NAME = PREAMP_TEMP_MAX DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 130 UNIT = CELSIUS DESCRIPTION = " Maximum value of Pre Amp Temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 25 NAME = PREAMP_TEMP_MEAN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 134 UNIT = CELSIUS DESCRIPTION = " Mean value of Pre Amp Temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 26 NAME = PREAMP_TEMP_STD DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 138 UNIT = CELSIUS DESCRIPTION = " Standard Deviation of Pre Amp Temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 27 NAME = SHAPER_TEMP_MIN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 142 UNIT = CELSIUS DESCRIPTION = " Minimum value of Shaper Temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 28 NAME = SHAPER_TEMP_MAX DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 146 UNIT = CELSIUS DESCRIPTION = " Maximum value of Shaper Temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 29 NAME = SHAPER_TEMP_MEAN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 150 UNIT = CELSIUS DESCRIPTION = " Mean value of Shaper Temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 30 NAME = SHAPER_TEMP_STD DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 154 UNIT = CELSIUS DESCRIPTION = " Standard Deviation of Shaper Temperature. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 31 NAME = HV_MONITOR_MIN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 158 UNIT = VOLTS DESCRIPTION = " Minimum value of High Voltage Monitor. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 32 NAME = HV_MONITOR_MAX DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 162 UNIT = VOLTS DESCRIPTION = " Maximum value of High Voltage Monitor. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 33 NAME = HV_MONITOR_MEAN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 166 UNIT = VOLTS DESCRIPTION = " Mean value of High Voltage Monitor. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 34 NAME = HV_MONITOR_STD DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 170 UNIT = VOLTS DESCRIPTION = " Standard Deviation of High Voltage Monitor. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 35 NAME = ALTITUDE_MIN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 174 UNIT = KILOMETERS DESCRIPTION = " Minimum value of Altitude in kilometers. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 36 NAME = ALTITUDE_MAX DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 178 UNIT = KILOMETERS DESCRIPTION = " Maximum value of Altitude in kilometers. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 37 NAME = ALTITUDE_MEAN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 182 UNIT = KILOMETERS DESCRIPTION = " Mean value of Altitude in kilometers. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 38 NAME = ALTITUDE_STD DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 186 UNIT = KILOMETERS DESCRIPTION = " Standard Deviation of Altitude. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 39 NAME = LATITUDE_MIN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 190 UNIT = DEGREE DESCRIPTION = " Minimum value of Latitude in degrees. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 40 NAME = LATITUDE_MAX DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 194 UNIT = DEGREE DESCRIPTION = " Maximum value of Latitude in degrees. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 41 NAME = LATITUDE_MEAN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 198 UNIT = DEGREE DESCRIPTION = " Mean value of Latitude in degrees. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 42 NAME = LATITUDE_STD DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 202 UNIT = DEGREE DESCRIPTION = " Standard Deviation of Latitude. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 43 NAME = LONGITUDE_MIN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 206 UNIT = DEGREE DESCRIPTION = " Minimum value of Longitude in degrees. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 44 NAME = LONGITUDE_MAX DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 210 UNIT = DEGREE DESCRIPTION = " Maximum value of Longitude in degrees. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 45 NAME = LONGITUDE_MEAN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 214 UNIT = DEGREE DESCRIPTION = " Mean value of Longitude in degrees. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 46 NAME = LONGITUDE_STD DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 218 UNIT = DEGREE DESCRIPTION = " Standard Deviation of Longitude. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 47 NAME = GAIN DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 222 DESCRIPTION = " Default value of gain, keV / channel. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 48 NAME = OFFSET DATA_TYPE = IEEE_REAL BYTES = 4 START_BYTE = 226 DESCRIPTION = " The offset, keV. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 49 NAME = RAW_GAMMA_SPECTRUM DATA_TYPE = IEEE_REAL BYTES = 65536 START_BYTE = 230 ITEMS = 16384 ITEM_BYTES = 4 DESCRIPTION = "Summed uncorrected raw gamma spectrum representing cumulative counts of gamma rays at the detector, binned over SUM_TYPE latitude and longitude, and one earth year." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 50 NAME = CORRECTED_GAMMA_SPECTRUM DATA_TYPE = IEEE_REAL BYTES = 65536 START_BYTE = 65766 ITEMS = 16384 ITEM_BYTES = 4 DESCRIPTION = " Summed corrected raw gamma spectrum representing cumulative counts of gamma rays at the detector, binned over SUM_TYPE latitude and longitude, and one earth year. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 51 NAME = AC_GAMMA_SPECTRUM DATA_TYPE = IEEE_REAL BYTES = 65536 START_BYTE = 131302 ITEMS = 16384 ITEM_BYTES = 4 DESCRIPTION = "Summed uncorrected anti-coincidence gamma spectrum representing cumulative counts of gamma rays at the detector, binned over SUM_TYPE latitude and longitude, and one earth year." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 52 NAME = CORRECTED_AC_GAMMA_SPECTRUM DATA_TYPE = IEEE_REAL BYTES = 65536 START_BYTE = 196838 ITEMS = 16384 ITEM_BYTES = 4 DESCRIPTION = " Summed corrected anti-coincidence gamma spectrum representing cumulative counts of gamma rays at the detector, binned over SUM_TYPE latitude and longitude, and one earth year." END_OBJECT = COLUMN