PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 122 FILE_RECORDS = 800 ^TABLE = "JPAMG_SC.TAB" DATA_SET_ID = "GIO-C-JPA/MAG-4-RDR-GRIGG-SKJELL-V1.0" PRODUCT_ID = "JPAMG-JPAMG_SC-199512" PRODUCT_CREATION_TIME = 1995-12 PRODUCT_NAME = "JPA/MAGNETOMETER MERGED DATA IN SPACECRAFT FRAME" TARGET_NAME = "26P/GRIGG-SKJELLERUP 1 (1922 K1):" INSTRUMENT_HOST_NAME = "GIOTTO" INSTRUMENT_NAME = { "JOHNSTONE PARTICLE ANALYZER (JPA)", "FLUXGATE MAGNETOMETER" } START_TIME = 1992-07-09T18:42:23.427 STOP_TIME = 1992-07-11T02:23:22.306 SPACECRAFT_CLOCK_START_COUNT = "UNK" SPACECRAFT_CLOCK_STOP_COUNT = "UNK" DESCRIPTION = "This file contains a table of proton results over the given time span. Results from both the Johnstone Particle Analyzer (JPA) and the magnetometer aboard the GIOTTO spacecraft have been combined to produce these results. Results are referred to the frame of the spacecraft; times refer to mid-bin time." OBJECT = TABLE NAME = "JPA/MAG SC" INTERCHANGE_FORMAT = ASCII COLUMNS = 20 ROW_BYTES = 122 ROWS = 800 DESCRIPTION = "This table contains position, velocity, and magnetic field vector components and related values derived from the combined results of the JPA experiment and magnetometer flown aboard the GIOTTO spacecraft." NOTE = "All measurements in this file are with respect to the spacecraft frame of reference." OBJECT = COLUMN NAME = DAY_NUMBER BYTES = 3 DATA_TYPE = ASCII_INTEGER START_BYTE = 1 FORMAT = "I3" UNIT = "DAYS" DESCRIPTION = "The sequential day number" END_OBJECT OBJECT = COLUMN NAME = HOUR BYTES = 2 DATA_TYPE = ASCII_INTEGER START_BYTE = 5 FORMAT = "I2" UNIT = HOURS DESCRIPTION = "Hour number (mid-bin). This is separated from the next field by a colon." END_OBJECT OBJECT = COLUMN NAME = MINUTE BYTES = 2 DATA_TYPE = ASCII_INTEGER START_BYTE = 8 FORMAT = "I2" UNIT = MINUTES DESCRIPTION = "Minute number (mid-bin). This is separated from the next field by a colon." END_OBJECT OBJECT = COLUMN NAME = SECONDS BYTES = 6 DATA_TYPE = ASCII_REAL START_BYTE = 11 FORMAT = "F6.3" UNIT = SECONDS DESCRIPTION = "Seconds of time (mid-bin)" END_OBJECT OBJECT = COLUMN NAME = DENSITY BYTES = 8 DATA_TYPE = ASCII_REAL START_BYTE = 18 FORMAT = "F8.4" UNIT = "CM**(-3)" DESCRIPTION = "Number of protons per cubic centimeter" END_OBJECT OBJECT = COLUMN NAME = V_X BYTES = 6 DATA_TYPE = ASCII_REAL START_BYTE = 27 FORMAT = "F6.1" UNIT = "KM/S" DESCRIPTION = "Proton velocity, x component" END_OBJECT OBJECT = COLUMN NAME = V_Y BYTES = 5 DATA_TYPE = ASCII_REAL START_BYTE = 34 FORMAT = "F5.1" UNIT = "KM/S" DESCRIPTION = "Proton velocity, y component" END_OBJECT OBJECT = COLUMN NAME = V_Z BYTES = 5 DATA_TYPE = ASCII_REAL START_BYTE = 40 FORMAT = "F5.1" UNIT = "KM/S" DESCRIPTION = "Proton velocity, z component" END_OBJECT OBJECT = COLUMN NAME = TEMPERATURE BYTES = 5 DATA_TYPE = ASCII_REAL START_BYTE = 46 FORMAT = "F5.1" UNIT = "ELECTRON-VOLTS" DESCRIPTION = "Kinetic temperature of the protons" END_OBJECT OBJECT = COLUMN NAME = VELOCITY BYTES = 5 DATA_TYPE = ASCII_REAL START_BYTE = 52 FORMAT = "F5.1" UNIT = "KM/S" DESCRIPTION = "Magnitude of the velocity vector" END_OBJECT OBJECT = COLUMN NAME = B_X BYTES = 6 DATA_TYPE = ASCII_REAL START_BYTE = 58 FORMAT = "F6.2" UNIT = "NANO-TESLA" DESCRIPTION = "Magnetic field, x component" END_OBJECT OBJECT = COLUMN NAME = B_Y BYTES = 6 DATA_TYPE = ASCII_REAL START_BYTE = 65 FORMAT = "F6.2" UNIT = "NANO-TESLA" DESCRIPTION = "Magnetic field, y component" END_OBJECT OBJECT = COLUMN NAME = B_Z BYTES = 5 DATA_TYPE = ASCII_REAL START_BYTE = 72 FORMAT = "F5.2" UNIT = "NANO-TESLA" DESCRIPTION = "Magnetic field, z component" END_OBJECT OBJECT = COLUMN NAME = B_MAG BYTES = 5 DATA_TYPE = ASCII_REAL START_BYTE = 78 FORMAT = "F5.2" UNIT = "NANO-TESLA" DESCRIPTION = "Magnitude of the magnetic field vector" END_OBJECT OBJECT = COLUMN NAME = THETA BYTES = 6 DATA_TYPE = ASCII_REAL START_BYTE = 84 FORMAT = "F6.2" UNIT = "DEGREES" VALID_MINIMUM = 0.00 VALID_MAXIMUM = 180.00 DESCRIPTION = "Angle between velocity and magnetic field (v-B), in the range 0-180" END_OBJECT OBJECT = COLUMN NAME = V_A BYTES = 6 DATA_TYPE = ASCII_REAL START_BYTE = 91 FORMAT = "F6.2" UNIT = "KM/S" DESCRIPTION = "Alfven speed" END_OBJECT OBJECT = COLUMN NAME = ALPHA BYTES = 5 DATA_TYPE = ASCII_REAL START_BYTE = 98 FORMAT = "F5.2" UNIT = "DEGREES" VALID_MINIMUM = 0.00 Valid_maximum = 90.00 DESCRIPTION = "Angle between velocity and magnetic field (v-B), in the range 0-90" END_OBJECT OBJECT = COLUMN NAME = E_RING BYTES = 5 DATA_TYPE = ASCII_REAL START_BYTE = 104 FORMAT = "F5.2" UNIT = "KEV" DESCRIPTION = "Ring energy" END_OBJECT OBJECT = COLUMN NAME = E_SHELL BYTES = 5 DATA_TYPE = ASCII_REAL START_BYTE = 110 FORMAT = "F5.2" UNIT = "KEV" DESCRIPTION = "Shell energy" END_OBJECT OBJECT = COLUMN NAME = M_A BYTES = 4 DATA_TYPE = ASCII_REAL START_BYTE = 116 FORMAT = "F4.2" DESCRIPTION = "Alfven Mach number (V/Va)" END_OBJECT END_OBJECT = TABLE END