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Systems

As pointed out in section 4.3 heliographic systems should refer to a solar reference ellipsoid, but since the oblateness of the Sun is difficult to measure (Stix, 1989), for the following definitions the Sun is assumed to be spherical.


next up previous
Next: Geocentric Systems Up: Heliographic Systems Previous: Solar Pole and Prime
Markus Fraenz 2002-03-12