| Data Set Abstract |
THIS DATA SET CONTAINS THE ION PARAMETERS IN THE PLS VOLTAGE
RANGE (10-5950 EV/Q) WITH FORMAL 1 SIGMA ERRORS OBTAINED FROM
VOYAGER 2 DATA AT SATURN BY FITTING THE MEASURED SPECTRA WITH
ISOTROPIC MAXWELLIAN DISTRIBUTIONS TO OBTAIN PLASMA DENSITIES,
TEMPERATURES, AND VELOCITY. ONLY SPECTRA WHICH HAD DISTINCT
CURRENT PEAKS WERE FIT. SPECTRA WERE FIT USING ONE OR TWO ION
SPECIES, PROTONS AND/OR A HEAVY ION WHICH WAS TAKEN TO BE
NITROGEN OUTSIDE OF 14 RS AND OXYGEN ELSEWHERE. OUTSIDE L=10-12
ION SPECTRA CHANGE RAPIDLY, SO THE VALUES IN THIS DATA SET DO NOT
REPRESENT AVERAGE PLASMA CONDITIONS IN THE OUTER MAGNETOSPHERE.
THE VALUES FOR POSITION AND MAGNETIC FIELD GIVEN IN THE DATA SET
ARE ONLY APPROXIMATE AND SHOULD NOT BE USED FOR PUBLICATION.
PARAMETERS WHICH ARE IDENTICALLY 0 AND HAVE UNCERTAINTIES OF 0
WERE NOT FIT DUE TO INSUFFICIENT DATA THESE NUMBERS ARE THUS NOT
REAL VALUES. A COMPLETE DESCRIPTION OF THIS DATA SET IS GIVEN IN
RICHARDSON (1986). DATA FORMAT: EACH DATA RECORD CONSISTS OF 5+2N
LINES, WHERE N IS THE NUMBER OF IONS FIT. LINE 1: S (A1,
INDICATES THE START OF A NEW FIT) TIME OF SPECTRUM SPACECRAFT
LOCATION BRHO,BPHI,BZ(3F7.3) MONTHDAYYEAR(I7) ROUTINE USED
INCORPORATING THE FULL RESPONSE FUNCTION OF THE INSTRUMENT FOR L
MODES DATA): CHI-SQUARE FROM FIT (E7.3) (I2): LINES 2-5 TELL
WHICH CHANNELS WERE FIT: CUP IDENTIFIER (A,B,C,D) (A1) AND ENDING
CHANNEL OF EACH SET (2-20I3): LINE 6 FOR IONS: F (LINE
IDENTIFIER) (A1) (I1)ION MASS, CHARGE (I3,I2) (6E10.3), WHERE THE
X* VARIABLES ARE FORMAL 1 SIGMA UNCERTAINTIES: LINE 7
IDENTIFIER), ION SPECIES NUMBER (A1, I1) VZ,XVZ,WPAR,XWPAR,WPER,
XWPER (6E10.3). LINES 6 AND 7 REPEAT ONCE FOR EACH ION SPECIES. A
CYLINDRICAL COORDINATE SYSTEM CENTERED ON THE PLANET IS USED,
WITH RHO OUTWARDS FROM THE SPIN AXIS, PHI IN THE DIRECTION OF
ROTATION, AND Z THE DISTANCE ABOVE THE EQUATOR. V'S ARE
VELOCITIES IN KM/S, W'S THERMAL SPEEDS IN KM/S, AND
DEN'S DENSITIESIN CM-3. VALUES OF B AND POSITION INFORMATION
MAY BE UNRELIABLE AND SHOULD BE VERIFIED BEFORE USE. ADDITIONAL
INFORMATION ABOUT THIS DATASET AND THE INSTRUMENT WHICH PRODUCED
IT CAN BE FOUND ELSEWHERE IN THIS CATALOG. AN OVERVIEW OF THE
DATA IN THIS DATA SET CAN BE FOUND IN RICHARDSON (1986) AND A
COMPLETE INSTRUMENT DESCRIPTION CAN BE FOUND IN BRIDGE (1977). |
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