Explanation of Mariner 10 data file
August 4, 2013
Author:  P. C. Frisch
%%%%%%%%%%%%%%%%%%%%%%%%

Contents of file=rcm7.diff :  Hydrogen Ly-alpha backscattered emision and Helium 584A backscattered solar emision 
from Roll Control Maneuver #7 of Mariner 10.

1) Main papers describing scientific results of data:  

a) Ajello, J.~M., "An interpretation of Mariner 10 helium (584 A) and
   hydrogen (1216 A) interplanetary emission observations",
   Astrophysical Journal, vol. 222, pp 1068-1079, 1978
   doi=10.1086/156224


b) Ajello, J.~M. and Witt, N. and Blum, P.~W., "Four UV
    observations of the interstellar wind by Mariner 10 - Analysis
    with spherically symmetric solar radiation models", Astrophysical
    Journal, volume 73, pp260-271, 1979

2)  File information:

a)  Source of data:  Wayne Pryor <Wayne.Pryor@centralaz.edu> and Joe Ajello <joseph.m.ajello@jpl.nasa.gov>;
b)  File header:
                             664
READOUT
                  -0.500    0.560    0.030
       ELAT       ELON       RAY H       CTS  H     RAY HE    CTS HE 
     -1.713       5.819     156.863     112.000      14.801     115.000
     -1.722       5.815     156.863     112.000      14.801     115.000
     -1.735       5.820     169.468     121.000      13.642     106.000

Lines 1 and 2, unused
line 3:  XYZ location of spacecraft during observations in ecliptic coordinates
and for the epoch of observation (see science papers above, and others by same authors).
line 4: header information: 
column 1, 2:  ecliptic longitude and latitude of viewing sightline 
column 3, 4:  Flux of neutral hydrogen Lyman-alpha emission in Rayleighs; number of counts
column 56 4:  Flux of neutral helium 584A emission in Rayleighs; number of counts