[daip] NVSS data cube
Dharam Vir Lal
dlal at head.cfa.harvard.edu
Tue Aug 17 16:10:44 EDT 2010
help!
i have NVSS Stokes IQU data cube (please see IMHEAD output below) and i
want to split these into three individual images so that i use COMB task
to make polarisation images. what AIPS task will do this for me?
kind regards, Dharam.
----------------------------------------------------
AIPS 1: Got(1) disk= 2 user= 164 type=MA A2465_1_4.IQU.1
AIPS 1: Image=No_Name (MA) Filename=A2465_1_4 .IQU . 1
AIPS 1: Telescope=VLA Receiver=L-BAND
AIPS 1: Observer=NVSS GRP User #= 164
AIPS 1: Observ. date=15-NOV-1993 Map date=17-AUG-2010
AIPS 1: Minimum=-1.99401448E-03 Maximum= 3.12409438E-02 JY/BEAM
AIPS 1: ----------------------------------------------------------------
AIPS 1: Type Pixels Coord value at Pixel Coord incr Rotat
AIPS 1: RA---SIN 61 22 39 30.200 31.00 -15.000 0.00
AIPS 1: DEC--SIN 61 -05 44 21.000 31.00 15.000 0.00
AIPS 1: STOKES 3 1.0000000E+00 1.00 1.0000000E+00 0.00
AIPS 1: FREQ 1 1.4000000E+09 1.00 1.0000000E+08 0.00
AIPS 1: ----------------------------------------------------------------
AIPS 1: Coordinate equinox 2000.00
AIPS 1: Map type=NORMAL Number of iterations= 1
AIPS 1: Conv size= 45.00 X 45.00 Position angle= 0.00
AIPS 1: Observed RA 22 40 00.000 DEC -04 00 00.00
AIPS 1: Maximum version number of extension files of type HI is 1
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