PDS_VERSION_ID = PDS3 RECORD_TYPE = "FIXED_LENGTH" RECORD_BYTES = 72 FILE_RECORDS = 33 ^TABLE = "540_julia.tab" DATA_SET_ID = "EAR-A-VARGBDET-5-NESVORNYFAM-V3.0" PRODUCT_NAME = "540_JULIA" PRODUCT_ID = "FAMILIES_540_JULIA_TAB" INSTRUMENT_HOST_ID = "VARGBTEL" INSTRUMENT_HOST_NAME = "VARIOUS GROUND-BASED TELESCOPES" INSTRUMENT_ID = "VARGBDET" INSTRUMENT_NAME = "VARIOUS GROUND-BASED DETECTORS" TARGET_NAME = "ASTEROID" TARGET_TYPE = "ASTEROID" START_TIME = "N/A" STOP_TIME = "N/A" PRODUCT_CREATION_TIME = 2015-03-30 /* File uploaded to OLAF */ OBJECT = TABLE ROWS = 33 ROW_BYTES = 72 INTERCHANGE_FORMAT = "ASCII" COLUMNS = 8 DESCRIPTION = "Individual family membership for the asteroid family indicated by family identification number in column 7, with proper elements." OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "AST_NUMBER" DESCRIPTION = "Asteroid number" DATA_TYPE = "ASCII_INTEGER" START_BYTE = 1 BYTES = 6 FORMAT = "I6" MISSING_CONSTANT = 0 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "A_PROP" DESCRIPTION = "Proper semi-major axis" UNIT = "ASTRONOMICAL_UNIT" DATA_TYPE = "ASCII_REAL" START_BYTE = 8 BYTES = 7 FORMAT = "F7.5" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "E_PROP" DESCRIPTION = "Proper eccentricity" DATA_TYPE = "ASCII_REAL" START_BYTE = 16 BYTES = 8 FORMAT = "F8.6" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "SIN_I_PROP" DESCRIPTION = "Sine of proper inclination" DATA_TYPE = "ASCII_REAL" START_BYTE = 25 BYTES = 8 FORMAT = "F8.6" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "ABS_MAG" DESCRIPTION = "Absolute magnitude from the input files used to generate these families, taken from the MPC by Milani and Knezevic." UNIT = "MAGNITUDE" DATA_TYPE = "ASCII_REAL" START_BYTE = 34 BYTES = 5 FORMAT = "F5.2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "C_PARAM" DESCRIPTION = "The C parameter in column 6 helps to identify potential interlopers in a family. This parameter is defined as C_j, where C_j = 10^(-H_j/5) (a_j - a_center)/C_0, H is the absolute magnitude, a is the proper semimajor axis of a member, a_center is the family center, C_0 is the best fit to the V-shape envelope of the family, and index j runs over individual bodies. Bodies with |C_j|>1 are suspected to be dynamical interlopers. See Nesvorny et al. (2015) for further discussion of the C parameter." DATA_TYPE = "ASCII_REAL" START_BYTE = 40 BYTES = 8 FORMAT = "F8.4" MISSING_CONSTANT = -99.9999 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "FAMILY_NUMBER" DESCRIPTION = "Family number assigned for the purpose of this family analysis. All families are derived from synthetic proper elements. Family numbers - less than 100 include Hungarias, Hildas, and Jupiter Trojans, - in the 400s include inner main belt families with 2.0 > a > 2.5 AU and i < 17.5, - in the 500's include central belt families with 2.5 < a < 2.82 AU and i < 17.5, - in the 600s include outer main belt families with 2.82 < a < 3.7 AU and i < 17, - in the 700s include inner main belt families with 2.0 < a < 2.5 AU and i > 17, - in the 800s include central main belt families with 2.5 < a < 2.82 AU and i > 17.5, - in the 900s include outer main belt families with 2.82 < a < 3.5 AU and i > 17.5." DATA_TYPE = "ASCII_INTEGER" START_BYTE = 49 BYTES = 3 FORMAT = "I3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "FAMILY_NAME" DESCRIPTION = "The name of the asteroid family, based on the name or provisional designation of the largest member of the family." DATA_TYPE = "CHARACTER" START_BYTE = 53 BYTES = 18 FORMAT = "A18" END_OBJECT = COLUMN END_OBJECT = TABLE END