Manpage of j2000
Section: User Commands (1)
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j2000 - Convert 1950 catalog positions to j2000.
J2000 is a Miriad task which converts 1950 catalog positions
to j2000 epoch. This routine follows the prescription for
transforming from the Epoch 1950.0 Radio Source
Position Catalog to the new J2000 catalog. - RSF 10 May 1989
Tested against the vla calibrators list with accuracy
of .004 sec in RA and .02" in DEC - WH 20-oct-1991
See also the task REGRID for converting data between 1950
and 2000 coordinate frames.
See also the task "skycoor" in wcstools for this (and the
1950 Right Ascension. This can be given as decimal hours
or hh:mm:ss.ss format. Default=0.
1950 Declination. This can be given as decimal degrees
or dd:mm:ss format. Default=0.
Observation year is needed for best
accuracy. Defaults to 1990.
- PERSON RESPONSIBLE
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Time: 18:35:38 GMT, July 05, 2011