[daip] Re: how does aips know?

Eric Greisen egreisen at nrao.edu
Thu Nov 3 16:13:35 EST 2005


Felix J Lockman writes:

 > I have been having a fine time reducing gbt data in aips, and have
 > been examining the convolution function in some detail.  In the writeup
 > for uv8type (help uv8type) it says that the default values of xparm
 > for xtype=-16 are functions of the 'single dish beam size'.  But
 > how does aips know the single dish beam size?  Is there somewhere in
 > a header where this is specified?  Can I get aips to tell me what it
 > thinks the beam size is?

I am at home following minor surgery so am unable to check completely
but I think that the IMHEADER verb should show the single dish beam
size as the Clean beam size.  We had that set up to work fior the 12m
but it may not be functioning yet for the gbt.

Eric




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