CooC - Coordinate Conversions (version 3.0)
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Old galactic coordinate system
Old galactic coordinate system was identical to the
(new) galactic coordinate system
in all respects except that its zero point was at the intersection of
the equator and the galactic plane. To differentiate old and new
galactic systems from each other, symbols l(I) and b(I) are used for
the old coordinates. For the new coordinates l(II) and b(II) were
used during the transition phase (in the 1960s) - nowadays new galactic
coordinates are knows just as l and b.
For more information on different coordinate systems, please check
the corresponding
encyclopædia article.
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