Suggestions for linmos and impos
Posted: Tue Jun 18, 2019 12:37 pm
Hi all,
I'm experimenting with uvamp and want to centre my source for the task. From previous questions I've asked I know I have to correct for the primary beam attenuation and then measure the source offset with impos. However, I think I may be missing some key inputs. I'm currently following (my input is the result from my imaging process which involves invert,clean,r and restor, the input file for linmos is source.freq.image from restor)
linmos
in=source.freq.image
out=source.freq.correction
rms=(either theoretical rms from invert of the rms read by histo on the dirty map)
bw=bandwidth of the cabb?
cutoff=(no input)
options=(no input)
impos
in=source.freq.correction
coord=(unsure)
type="abspix"
stype=(unset)
options=(unset)
The main issue I have is I'm not sure what my absolute pixel position is and even how to determine it?
Thanks,
Brodie
I'm experimenting with uvamp and want to centre my source for the task. From previous questions I've asked I know I have to correct for the primary beam attenuation and then measure the source offset with impos. However, I think I may be missing some key inputs. I'm currently following (my input is the result from my imaging process which involves invert,clean,r and restor, the input file for linmos is source.freq.image from restor)
linmos
in=source.freq.image
out=source.freq.correction
rms=(either theoretical rms from invert of the rms read by histo on the dirty map)
bw=bandwidth of the cabb?
cutoff=(no input)
options=(no input)
impos
in=source.freq.correction
coord=(unsure)
type="abspix"
stype=(unset)
options=(unset)
The main issue I have is I'm not sure what my absolute pixel position is and even how to determine it?
Thanks,
Brodie