AST_SETREFPOS

Set the reference position in a specified celestial coordinate system

Description:

This routine sets the reference position (see attributes RefRA and RefDec) using axis values (in radians) supplied within the celestial coordinate system represented by a supplied SkyFrame.

Invocation

CALL AST_SETREFPOS( THIS, FRM, LON, LAT, STATUS )

Arguments

THIS = INTEGER (Given)
Pointer to the SpecFrame.
FRM = INTEGER (Given)
Pointer to the SkyFrame which defines the celestial coordinate system in which the longitude and latitude values are supplied. If AST__NULL is supplied, then the supplied longitude and latitude values are assumed to be FK5 J2000 RA and Dec values.
LON = DOUBLE PRECISION (Given)
The longitude of the reference point, in the coordinate system represented by the supplied SkyFrame (radians).
LAT = DOUBLE PRECISION (Given)
The latitude of the reference point, in the coordinate system represented by the supplied SkyFrame (radians).
STATUS = INTEGER (Given and Returned)
The global status.