PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 267 FILE_RECORDS = 1075 DATA_SET_ID = "EAR-C-MCDIDS-3-RDR-MCDNLD-V1.0" PRODUCT_ID = "MOFCS-FLUXCDMC-200010" PRODUCT_NAME = "MOFCS: Column Densities & Fluxes" PRODUCT_CREATION_TIME = 1997-03-22T21:08:14 OBSERVER_FULL_NAME = "COCHRAN,A/ET AL." START_TIME = 1981-08-25 STOP_TIME = 1989-05-08 TARGET_NAME = "COMET" INSTRUMENT_HOST_NAME = "MCDONALD OBSERVATORY 2.7M HARLAN J. SMITH TELESCOPE" INSTRUMENT_NAME = "MCDONALD INTENSIFIED DISSECTOR SCANNER" ^TABLE = "fluxcdmc.tab" OBJECT = TABLE INTERCHANGE_FORMAT = ASCII ROWS = 1075 ROW_BYTES = 267 COLUMNS = 32 DESCRIPTION = "This table list column density calculations made from observations made in six bands. Offsets and column densitites are filled with null value indicators (see the individual COLUMN definitions) when a particular band was not detected in the given comet. These are the source data referenced (but not published) in Cochran, et al. (1992) [COCHRANETAL1992]." NOTE = " The following bandpases were use in calculating the flux and column densities of the six molecular species included in Cochran, et al. (1992): molecule Bandpass (A) ----------------- ------------ CN (delta NU = 0) 3830-3905 C3 3975-4150 CH 4280-4340 C2 (delta NU = 1) 4460-4770 C2 (delta NU = 0) 4860-5185 NH2 (0,10,0) 5675-5760 " OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "PERIODIC_COMET_NUMBER" START_BYTE = 1 BYTES = 3 DATA_TYPE = ASCII_INTEGER FORMAT = I3 DESCRIPTION = "Sequential number assigned to short-period comets; blank if the object is not periodic or has not yet been numbered" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "COMET_TYPE" START_BYTE = 4 BYTES = 1 DATA_TYPE = CHARACTER FORMAT = A1 DESCRIPTION = "Single character indicating comet type: C Non-periodic D Defunct P Periodic This field is separated from the COMET_NAME by a slash (/)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "COMET_NAME" START_BYTE = 6 BYTES = 25 DATA_TYPE = CHARACTER FORMAT = A25 DESCRIPTION = "Name of the comet (after up to three co-discoverers)" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "IAU_DESIGNATION" START_BYTE = 32 BYTES = 7 DATA_TYPE = CHARACTER FORMAT = A7 DESCRIPTION = "IAU discovery designation. In the case of numbered short-period comets, this is the principal discovery designation." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "OBSOLETE_DISCOVERY_DESIGNATION" START_BYTE = 41 FORMAT = A5 DATA_TYPE = CHARACTER BYTES = 5 DESCRIPTION = "Old-style IAU discovery designation" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = YEAR START_BYTE = 48 FORMAT = I4 DATA_TYPE = ASCII_INTEGER BYTES = 4 DESCRIPTION = "Four-digit year of observation" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = MONTH START_BYTE = 53 FORMAT = I2 DATA_TYPE = ASCII_INTEGER BYTES = 2 DESCRIPTION = "2-digit month of observation" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = DAY START_BYTE = 56 FORMAT = I2 DATA_TYPE = ASCII_INTEGER BYTES = 2 DESCRIPTION = "2-digit day-in-month of observation" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = "CN_0_EW_OFFSET" START_BYTE = 59 FORMAT = "I7" UNIT = "KM" DATA_TYPE = ASCII_INTEGER BYTES = 7 DESCRIPTION = "East-West offset from the photocenter of the comet coma for the measurement of CN (delta-nu = 0). East is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "CN_0_NS_OFFSET" START_BYTE = 67 FORMAT = "I7" UNIT = "KM" DATA_TYPE = ASCII_INTEGER BYTES = 7 DESCRIPTION = "North-South offset from the photocenter of the comet coma for the measurement of CN (delta-nu = 0). Norht is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = "LOG_FLUX_CN_0" START_BYTE = 75 FORMAT = "F6.3" UNIT = "ERG/CM/CM/S" DATA_TYPE = ASCII_REAL BYTES = 6 DESCRIPTION = "Log of the flux of CN (delta-nu = 0)" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 12 NAME = "LOG_COLUMN_DENSITY_CN_0" START_BYTE = 82 FORMAT = "F6.3" UNIT = "CM^-2" DATA_TYPE = ASCII_REAL BYTES = 6 DESCRIPTION = "Log of the column density of CN (delta-nu = 0)" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 13 NAME = "C3_EW_OFFSET" START_BYTE = 89 FORMAT = "I7" UNIT = "KM" MISSING_CONSTANT = 9999999 DATA_TYPE = ASCII_INTEGER BYTES = 7 DESCRIPTION = "East-West offset from the photocenter of the comet coma for the measurement of C3. East is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 14 NAME = "C3_NS_OFFSET" START_BYTE = 97 FORMAT = "I7" UNIT = "KM" MISSING_CONSTANT = 9999999 DATA_TYPE = ASCII_INTEGER BYTES = 7 DESCRIPTION = "North-South offset from the photocenter of the comet coma for the measurement of C3. North is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 15 NAME = "LOG_FLUX_C3" START_BYTE = 105 FORMAT = "E9.3" UNIT = "ERG/CM/CM/S" MISSING_CONSTANT = 1.000E+32 DATA_TYPE = ASCII_REAL BYTES = 9 DESCRIPTION = "Log of the flux of C3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 16 NAME = "LOG_COLUMN_DENSITY_C3" START_BYTE = 115 FORMAT = "E9.3" UNIT = "CM^-2" MISSING_CONSTANT = 1.000E+32 DATA_TYPE = ASCII_REAL BYTES = 9 DESCRIPTION = "Log of the column density of C3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 17 NAME = "CH_EW_OFFSET" START_BYTE = 125 FORMAT = "I7" UNIT = "KM" MISSING_CONSTANT = 9999999 DATA_TYPE = ASCII_INTEGER BYTES = 7 DESCRIPTION = "East-West offset from the photocenter of the comet coma for the measurement of CH. East is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 18 NAME = "CH_NS_OFFSET" START_BYTE = 133 FORMAT = "I7" UNIT = "KM" MISSING_CONSTANT = 9999999 DATA_TYPE = ASCII_INTEGER BYTES = 7 DESCRIPTION = "North-South offset from the photocenter of the comet coma for the measurement of CH. North is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 19 NAME = "LOG_FLUX_CH" START_BYTE = 141 FORMAT = "E9.3" UNIT = "RGE/CM/CM/S" MISSING_CONSTANT = 1.000E+32 DATA_TYPE = ASCII_REAL BYTES = 9 DESCRIPTION = "Log of the flux of CH" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 20 NAME = "LOG_COLUMN_DENSITY_CH" START_BYTE = 151 FORMAT = "E9.3" UNIT = "CM^-2" MISSING_CONSTANT = 1.000E+32 DATA_TYPE = ASCII_REAL BYTES = 9 DESCRIPTION = "Log of the column density of CH" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 21 NAME = "C2_1_EW_OFFSET" START_BYTE = 161 FORMAT = "I7" UNIT = "KM" MISSING_CONSTANT = 9999999 DATA_TYPE = ASCII_INTEGER BYTES = 7 DESCRIPTION = "East-West offset from the photocenter of the comet coma for the measurement of C2 (delta-nu = 1). East is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 22 NAME = "C2_1_NS_OFFSET" START_BYTE = 169 FORMAT = "I7" UNIT = "KM" MISSING_CONSTANT = 9999999 DATA_TYPE = ASCII_INTEGER BYTES = 7 DESCRIPTION = "North-South offset from the photocenter of the comet coma for the measurement of C2 (delta-nu = 1). Norht is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 23 NAME = "LOG_FLUX_C2_1" START_BYTE = 177 FORMAT = "E9.3" UNIT = "ERG/CM/CM/S" MISSING_CONSTANT = 1.000E+32 DATA_TYPE = ASCII_REAL BYTES = 9 DESCRIPTION = "Log of the flux of C2 (delta-nu = 1)" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 24 NAME = "LOG_COLUMN_DENSITY_C2_1" START_BYTE = 187 FORMAT = "E9.3" UNIT = "CM^-2" MISSING_CONSTANT = 1.000E+32 DATA_TYPE = ASCII_REAL BYTES = 9 DESCRIPTION = "Log of the column density of C2 (delta-nu = 1)" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 25 NAME = "C2_0_EW_OFFSET" START_BYTE = 197 FORMAT = "I7" UNIT = "KM" MISSING_CONSTANT = 9999999 DATA_TYPE = ASCII_INTEGER BYTES = 7 DESCRIPTION = "East-West offset from the photocenter of the comet coma for the measurement of C2 (delta-nu = 0). East is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 26 NAME = "C2_0_NS_OFFSET" START_BYTE = 205 FORMAT = "I7" UNIT = "KM" MISSING_CONSTANT = 9999999 DATA_TYPE = ASCII_INTEGER BYTES = 7 DESCRIPTION = "North-South offset from the photocenter of the comet coma for the measurement of C2 (delta-nu = 0). Norht is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 27 NAME = "LOG_FLUX_C2_0" START_BYTE = 213 FORMAT = "E9.3" UNIT = "ERG/CM/CM/S" MISSING_CONSTANT = 1.000E+32 DATA_TYPE = ASCII_REAL BYTES = 9 DESCRIPTION = "Log of the flux of C2 (delta-nu = 0)" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 28 NAME = "LOG_COLUMN_DENSITY_C2_0" START_BYTE = 223 FORMAT = "E9.3" UNIT = "CM^-2" MISSING_CONSTANT = 1.000E+32 DATA_TYPE = ASCII_REAL BYTES = 9 DESCRIPTION = "Log of the column density of C2 (delta-nu = 0)" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 29 NAME = "NH2_EW_OFFSET" START_BYTE = 233 FORMAT = "I6" UNIT = "KM" MISSING_CONSTANT = 999999 DATA_TYPE = ASCII_INTEGER BYTES = 6 DESCRIPTION = "East-West offset from the photocenter of the comet coma for the measurement of NH2. East is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 30 NAME = "NH2_NS_OFFSET" START_BYTE = 240 FORMAT = "I6" UNIT = "KM" MISSING_CONSTANT = 999999 DATA_TYPE = ASCII_INTEGER BYTES = 6 DESCRIPTION = "North-South offset from the photocenter of the comet coma for the measurement of NH2. North is positive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 31 NAME = "LOG_FLUX_NH2" START_BYTE = 247 FORMAT = "E9.3" UNIT = "ERG/CM/CM/S" MISSING_CONSTANT = 1.000E+32 DATA_TYPE = ASCII_REAL BYTES = 9 DESCRIPTION = "Log of the flux of NH2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 32 NAME = "LOG_COLUMN_DENSITY_NH2" START_BYTE = 257 FORMAT = "E9.3" UNIT = "CM^-2" MISSING_CONSTANT = 1.000E+32 DATA_TYPE = ASCII_REAL BYTES = 9 DESCRIPTION = "Log of the column density of NH2" END_OBJECT = COLUMN END_OBJECT = TABLE END