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Aspect Data Format

Assuming the variable 'o' is an instance of an aspect solution object, which is defined as shown above. The returned aspect solution data is then structured as shown by the following commands.

IDL> data=o->getdata()
IDL> help, data, /struct
** Structure <85d36c4>, 4 tags, length=384788, data length=384788, refs=2:
   TIME            LONG      Array[19239]
   T0              STRUCT    -> HESSI_SCTIME_FULL Array[1]
   POINTING        FLOAT     Array[19239, 2]
   ROLL            DOUBLE    Array[19239]

The tag 'T0' of the variable 'data' holds the reference time in the sctime format. The tag 'time' is an array of relative times of the data points with respect to 'T0' and is given in units of $2^{-7}$ seconds. The components [*,0] of the tag 'pointing' are the x-components and the [*,1] are the y-components of the pointing vector in units of arcseconds as described in section 2. Finally, the tag 'roll' holds the array of roll angles in radians as described in section 2.



Martin Fivian 2004-08-13