Cannot clean sources outside the primary beam...
Posted: Wed Nov 09, 2016 4:13 am
Hi,
I'm producing a 5500MHz image which has an image size of four times the primary beam. But it seems that I cannot clean a source that are outside the primary beam (the bright source near the right edge of the image, as in the attachment), so its dirty beam pattern is contaminating the whole image . This source seems not to be cleaned after "mfclean" was used, and when "cgcurs" was then used to specify its region, Miriad just complained that the region selected is too big, no matter how small I selected the region.
I'm not sure yet what caused this and is still struggling cleaning that source.
Thanks a lot!
Tai-An
I'm producing a 5500MHz image which has an image size of four times the primary beam. But it seems that I cannot clean a source that are outside the primary beam (the bright source near the right edge of the image, as in the attachment), so its dirty beam pattern is contaminating the whole image . This source seems not to be cleaned after "mfclean" was used, and when "cgcurs" was then used to specify its region, Miriad just complained that the region selected is too big, no matter how small I selected the region.
I'm not sure yet what caused this and is still struggling cleaning that source.
Thanks a lot!
Tai-An