! Started logfile: /vlbi/uf001/uvm//J1609+7939_S_a_dfm.log on Sun Jan 13 21:59:48 2019 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/uf001/uvm//J1609+7939_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1609+7939_S_a_uvm.fits ! AN table 1: 156 integrations on 45 of 45 possible baselines. ! AN table 2: 109 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.932486 visibilities/baseline/integration-bin. ! Found source: J1609+7939 ! ! There are 3 IFs, and a total of 3 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 44 lines of history. ! ! Reading 28176 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J1609+7939_S_a] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.500x0.500 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 78 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 78 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 78 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.061543Jy sigma=20.645459 ! Fit after self-cal, rms=0.794325Jy sigma=16.095988 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.851 mas, bmaj=4.204 mas, bpa=-55.59 degrees ! Estimated noise=0.374833 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.129699 Jy ! Component: 100 - total flux cleaned = 0.202645 Jy ! Total flux subtracted in 100 components = 0.202645 Jy ! Clean residual min=-0.013603 max=0.043751 Jy/beam ! Clean residual mean=-0.000059 rms=0.004385 Jy/beam ! Combined flux in latest and established models = 0.202645 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 34 components and 0.202645 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.212038Jy sigma=3.533309 ! Fit after self-cal, rms=0.211273Jy sigma=3.516067 ! Inverting map ! Added new window around map position (2, -4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.055327 Jy ! Component: 100 - total flux cleaned = 0.0967536 Jy ! Total flux subtracted in 100 components = 0.0967536 Jy ! Clean residual min=-0.009867 max=0.028551 Jy/beam ! Clean residual mean=-0.000058 rms=0.003347 Jy/beam ! Combined flux in latest and established models = 0.299399 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 67 components and 0.299399 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.170189Jy sigma=2.800175 ! Fit after self-cal, rms=0.169900Jy sigma=2.793630 ! Inverting map ! Added new window around map position (-5.5, 0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0347633 Jy ! Component: 100 - total flux cleaned = 0.0627985 Jy ! Total flux subtracted in 100 components = 0.0627985 Jy ! Clean residual min=-0.008599 max=0.023178 Jy/beam ! Clean residual mean=-0.000057 rms=0.002819 Jy/beam ! Combined flux in latest and established models = 0.362198 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 107 components and 0.362198 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.147814Jy sigma=2.425455 ! Fit after self-cal, rms=0.147602Jy sigma=2.421285 ! Inverting map ! Added new window around map position (7, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0267862 Jy ! Component: 100 - total flux cleaned = 0.0494497 Jy ! Total flux subtracted in 100 components = 0.0494497 Jy ! Clean residual min=-0.007492 max=0.021276 Jy/beam ! Clean residual mean=-0.000053 rms=0.002421 Jy/beam ! Combined flux in latest and established models = 0.411647 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 143 components and 0.411647 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.132402Jy sigma=2.168569 ! Fit after self-cal, rms=0.132304Jy sigma=2.166971 ! Inverting map ! Added new window around map position (-12, -18.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0224428 Jy ! Component: 100 - total flux cleaned = 0.0410062 Jy ! Total flux subtracted in 100 components = 0.0410062 Jy ! Clean residual min=-0.006227 max=0.013153 Jy/beam ! Clean residual mean=-0.000049 rms=0.002067 Jy/beam ! Combined flux in latest and established models = 0.452653 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 170 components and 0.452653 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.122131Jy sigma=1.993825 ! Fit after self-cal, rms=0.121972Jy sigma=1.990591 ! Inverting map ! Added new window around map position (1, 4.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.017349 Jy ! Component: 100 - total flux cleaned = 0.0327135 Jy ! Total flux subtracted in 100 components = 0.0327135 Jy ! Clean residual min=-0.005633 max=0.011223 Jy/beam ! Clean residual mean=-0.000047 rms=0.001834 Jy/beam ! Combined flux in latest and established models = 0.485367 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 192 components and 0.485367 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.114217Jy sigma=1.864153 ! Fit after self-cal, rms=0.114154Jy sigma=1.863050 ! Inverting map ! Added new window around map position (11.5, 2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0144979 Jy ! Component: 100 - total flux cleaned = 0.0274331 Jy ! Total flux subtracted in 100 components = 0.0274331 Jy ! Clean residual min=-0.005086 max=0.010347 Jy/beam ! Clean residual mean=-0.000045 rms=0.001652 Jy/beam ! Combined flux in latest and established models = 0.5128 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 216 components and 0.5128 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.108185Jy sigma=1.767637 ! Fit after self-cal, rms=0.108139Jy sigma=1.766897 ! Inverting map ! Added new window around map position (8, -6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0124445 Jy ! Component: 100 - total flux cleaned = 0.0235392 Jy ! Total flux subtracted in 100 components = 0.0235392 Jy ! Clean residual min=-0.004822 max=0.009203 Jy/beam ! Clean residual mean=-0.000043 rms=0.001504 Jy/beam ! Combined flux in latest and established models = 0.536339 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 237 components and 0.536339 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.103524Jy sigma=1.693181 ! Fit after self-cal, rms=0.103491Jy sigma=1.692530 ! Inverting map ! Added new window around map position (-1, -11). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0108682 Jy ! Component: 100 - total flux cleaned = 0.0205824 Jy ! Total flux subtracted in 100 components = 0.0205824 Jy ! Clean residual min=-0.004452 max=0.008415 Jy/beam ! Clean residual mean=-0.000043 rms=0.001384 Jy/beam ! Combined flux in latest and established models = 0.556921 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 258 components and 0.556921 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.099932Jy sigma=1.634713 ! Fit after self-cal, rms=0.099898Jy sigma=1.634194 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.595 mas, bmaj=5.142 mas, bpa=-57.54 degrees ! Estimated noise=0.21931 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0208638 Jy ! Component: 100 - total flux cleaned = 0.0380037 Jy ! Component: 150 - total flux cleaned = 0.052843 Jy ! Component: 200 - total flux cleaned = 0.0660325 Jy ! Total flux subtracted in 200 components = 0.0660325 Jy ! Clean residual min=-0.006116 max=0.010766 Jy/beam ! Clean residual mean=-0.000094 rms=0.002076 Jy/beam ! Combined flux in latest and established models = 0.622954 Jy ! Performing phase self-cal ! Adding 114 model components to the UV plane model. ! The established model now contains 322 components and 0.622954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.090037Jy sigma=1.486868 ! Fit after self-cal, rms=0.089940Jy sigma=1.485344 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.595 x 5.142 at -57.54 degrees (North through East) ! Clean map min=-0.006108 max=0.1695 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.96 HN 1.02 KP 1.00 ! LA 0.89 MK 1.06 NL 1.15 OV 1.05 ! PT 0.89 SC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 0.91 HN 1.04 KP 0.93 ! LA 0.87 MK 1.03 NL 1.17 OV 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.98 HN 1.03 KP 1.00 ! LA 0.90 MK 0.95 NL 1.12 OV 0.92 ! PT 0.90 SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.97 HN 1.01 KP 0.94 ! LA 0.89 MK 1.01 NL 0.80 OV 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.01 HN 1.02 KP 0.99 ! LA 0.89 MK 1.05 NL 1.11 OV 1.08 ! PT 0.91 SC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.13 FD 1.01 HN 0.98 KP 0.95 ! LA 0.92 MK 1.03 NL 1.18 OV 1.06 ! ! ! Fit before self-cal, rms=0.089940Jy sigma=1.485344 ! Fit after self-cal, rms=0.073509Jy sigma=1.335121 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.645 mas, bmaj=5.199 mas, bpa=-57.42 degrees ! Estimated noise=0.217216 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-8.5, -13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00838709 Jy ! Component: 100 - total flux cleaned = 0.0143728 Jy ! Component: 150 - total flux cleaned = 0.0190953 Jy ! Component: 200 - total flux cleaned = 0.0229796 Jy ! Total flux subtracted in 200 components = 0.0229796 Jy ! Clean residual min=-0.004379 max=0.005808 Jy/beam ! Clean residual mean=-0.000058 rms=0.001145 Jy/beam ! Combined flux in latest and established models = 0.645933 Jy ! Performing phase self-cal ! Adding 58 model components to the UV plane model. ! The established model now contains 370 components and 0.645933 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.072126Jy sigma=1.307647 ! Fit after self-cal, rms=0.072020Jy sigma=1.305596 ! Inverting map ! Added new window around map position (-11.5, 3.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00440032 Jy ! Component: 100 - total flux cleaned = 0.00724298 Jy ! Component: 150 - total flux cleaned = 0.00973402 Jy ! Component: 200 - total flux cleaned = 0.0119431 Jy ! Total flux subtracted in 200 components = 0.0119431 Jy ! Clean residual min=-0.003939 max=0.004927 Jy/beam ! Clean residual mean=-0.000054 rms=0.001049 Jy/beam ! Combined flux in latest and established models = 0.657876 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 404 components and 0.657876 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071423Jy sigma=1.293319 ! Fit after self-cal, rms=0.071374Jy sigma=1.292651 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071374Jy sigma=1.292651 ! Fit after self-cal, rms=0.066110Jy sigma=1.248001 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.625 mas, bmaj=5.217 mas, bpa=-57.64 degrees ! Estimated noise=0.215656 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00365789 Jy ! Component: 100 - total flux cleaned = 0.00594825 Jy ! Component: 150 - total flux cleaned = 0.00785643 Jy ! Component: 200 - total flux cleaned = 0.00955315 Jy ! Total flux subtracted in 200 components = 0.00955315 Jy ! Clean residual min=-0.002901 max=0.004232 Jy/beam ! Clean residual mean=-0.000054 rms=0.000810 Jy/beam ! Combined flux in latest and established models = 0.667429 Jy selfcal ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 436 components and 0.667429 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065767Jy sigma=1.241259 ! Fit after self-cal, rms=0.065740Jy sigma=1.240798 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (19.5, 21.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00433138 Jy ! Component: 100 - total flux cleaned = 0.00698832 Jy ! Component: 150 - total flux cleaned = 0.00924889 Jy ! Component: 200 - total flux cleaned = 0.0112957 Jy ! Total flux subtracted in 200 components = 0.0112957 Jy ! Clean residual min=-0.002850 max=0.003786 Jy/beam ! Clean residual mean=-0.000045 rms=0.000730 Jy/beam ! Combined flux in latest and established models = 0.678725 Jy ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 471 components and 0.678725 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065364Jy sigma=1.233460 ! Fit after self-cal, rms=0.065348Jy sigma=1.233104 ! Inverting map ! Added new window around map position (9.5, 8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0034477 Jy ! Component: 100 - total flux cleaned = 0.00556081 Jy ! Component: 150 - total flux cleaned = 0.00741972 Jy ! Component: 200 - total flux cleaned = 0.00903868 Jy ! Total flux subtracted in 200 components = 0.00903868 Jy ! Clean residual min=-0.002686 max=0.002384 Jy/beam ! Clean residual mean=-0.000041 rms=0.000680 Jy/beam ! Combined flux in latest and established models = 0.687764 Jy ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 511 components and 0.687764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065099Jy sigma=1.228249 ! Fit after self-cal, rms=0.065076Jy sigma=1.227954 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065076Jy sigma=1.227954 ! Fit after self-cal, rms=0.064325Jy sigma=1.225723 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.612 mas, bmaj=5.215 mas, bpa=-57.99 degrees ! Estimated noise=0.21371 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00247425 Jy ! Component: 100 - total flux cleaned = 0.00454427 Jy ! Component: 150 - total flux cleaned = 0.00642827 Jy ! Component: 200 - total flux cleaned = 0.00815789 Jy ! Total flux subtracted in 200 components = 0.00815789 Jy ! Clean residual min=-0.002415 max=0.002525 Jy/beam ! Clean residual mean=-0.000042 rms=0.000613 Jy/beam ! Combined flux in latest and established models = 0.695922 Jy selfcal ! Performing phase self-cal ! Adding 62 model components to the UV plane model. ! The established model now contains 540 components and 0.695922 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064141Jy sigma=1.222200 ! Fit after self-cal, rms=0.064130Jy sigma=1.222088 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171846 Jy ! Component: 100 - total flux cleaned = 0.00325912 Jy ! Component: 150 - total flux cleaned = 0.00456714 Jy ! Component: 200 - total flux cleaned = 0.00573111 Jy ! Total flux subtracted in 200 components = 0.00573111 Jy ! Clean residual min=-0.002330 max=0.002353 Jy/beam ! Clean residual mean=-0.000039 rms=0.000589 Jy/beam ! Combined flux in latest and established models = 0.701653 Jy ! Performing phase self-cal ! Adding 59 model components to the UV plane model. ! The established model now contains 555 components and 0.701653 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064030Jy sigma=1.220216 ! Fit after self-cal, rms=0.064023Jy sigma=1.220151 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064023Jy sigma=1.220151 ! Fit after self-cal, rms=0.063775Jy sigma=1.219568 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.629 mas, bmaj=9.343 mas, bpa=-67.16 degrees ! Estimated noise=0.282677 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00334911 Jy ! Component: 100 - total flux cleaned = 0.00607342 Jy ! Component: 150 - total flux cleaned = 0.00838202 Jy ! Component: 200 - total flux cleaned = 0.0103647 Jy ! Total flux subtracted in 200 components = 0.0103647 Jy ! Clean residual min=-0.003312 max=0.003598 Jy/beam ! Clean residual mean=-0.000085 rms=0.000991 Jy/beam ! Combined flux in latest and established models = 0.712017 Jy selfcal ! Performing phase self-cal ! Adding 61 model components to the UV plane model. ! The established model now contains 599 components and 0.712017 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063653Jy sigma=1.217819 ! Fit after self-cal, rms=0.063640Jy sigma=1.217566 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00192002 Jy ! Component: 100 - total flux cleaned = 0.00353824 Jy ! Component: 150 - total flux cleaned = 0.00468529 Jy ! Component: 200 - total flux cleaned = 0.0057692 Jy ! Total flux subtracted in 200 components = 0.0057692 Jy ! Clean residual min=-0.003131 max=0.003615 Jy/beam ! Clean residual mean=-0.000079 rms=0.000955 Jy/beam ! Combined flux in latest and established models = 0.717787 Jy ! Performing phase self-cal ! Adding 61 model components to the UV plane model. ! The established model now contains 636 components and 0.717786 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063608Jy sigma=1.217145 ! Fit after self-cal, rms=0.063603Jy sigma=1.217073 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=3.608 mas, bmaj=5.213 mas, bpa=-58.13 degrees ! Estimated noise=0.212966 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.608 x 5.213 at -58.13 degrees (North through East) ! Clean map min=-0.0030372 max=0.16242 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.857 mas, bmaj=4.251 mas, bpa=-56.41 degrees ! Estimated noise=0.369259 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.127701 Jy ! Component: 100 - total flux cleaned = 0.203023 Jy ! Component: 150 - total flux cleaned = 0.256107 Jy ! Component: 200 - total flux cleaned = 0.297061 Jy ! Total flux subtracted in 200 components = 0.297061 Jy ! Clean residual min=-0.009718 max=0.024423 Jy/beam ! Clean residual mean=-0.000053 rms=0.003160 Jy/beam ! Combined flux in latest and established models = 0.297061 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 68 model components to the UV plane model. ! The established model now contains 68 components and 0.297061 Jy ! Inverting map and beam ! Estimated beam: bmin=3.608 mas, bmaj=5.213 mas, bpa=-58.13 degrees ! Estimated noise=0.212966 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0649383 Jy ! Component: 100 - total flux cleaned = 0.111757 Jy ! Component: 150 - total flux cleaned = 0.148309 Jy ! Component: 200 - total flux cleaned = 0.178056 Jy ! Total flux subtracted in 200 components = 0.178056 Jy ! Clean residual min=-0.008075 max=0.018345 Jy/beam ! Clean residual mean=-0.000087 rms=0.003047 Jy/beam ! Combined flux in latest and established models = 0.475117 Jy ! Adding 116 model components to the UV plane model. ! The established model now contains 172 components and 0.475117 Jy ! Inverting map ! Added new window around map position (-4.5, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0247497 Jy ! Component: 100 - total flux cleaned = 0.0456464 Jy ! Component: 150 - total flux cleaned = 0.0635763 Jy ! Component: 200 - total flux cleaned = 0.0791761 Jy ! Total flux subtracted in 200 components = 0.0791761 Jy ! Clean residual min=-0.005520 max=0.009772 Jy/beam ! Clean residual mean=-0.000077 rms=0.001960 Jy/beam ! Combined flux in latest and established models = 0.554294 Jy ! Adding 101 model components to the UV plane model. ! The established model now contains 262 components and 0.554293 Jy ! Inverting map ! Added new window around map position (7, -10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0137418 Jy ! Component: 100 - total flux cleaned = 0.0259632 Jy ! Component: 150 - total flux cleaned = 0.0368904 Jy ! Component: 200 - total flux cleaned = 0.0466937 Jy ! Total flux subtracted in 200 components = 0.0466937 Jy ! Clean residual min=-0.004157 max=0.006176 Jy/beam ! Clean residual mean=-0.000070 rms=0.001399 Jy/beam ! Combined flux in latest and established models = 0.600987 Jy ! Adding 107 model components to the UV plane model. ! The established model now contains 350 components and 0.600987 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00880441 Jy ! Component: 100 - total flux cleaned = 0.0167257 Jy ! Component: 150 - total flux cleaned = 0.0238767 Jy ! Component: 200 - total flux cleaned = 0.030394 Jy ! Total flux subtracted in 200 components = 0.030394 Jy ! Clean residual min=-0.003294 max=0.004151 Jy/beam ! Clean residual mean=-0.000064 rms=0.001081 Jy/beam ! Combined flux in latest and established models = 0.631381 Jy ! Adding 91 model components to the UV plane model. ! The established model now contains 406 components and 0.631382 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.629 mas, bmaj=9.343 mas, bpa=-67.16 degrees ! Estimated noise=0.282677 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0119682 Jy ! Component: 100 - total flux cleaned = 0.0217257 Jy ! Component: 150 - total flux cleaned = 0.0299695 Jy ! Component: 200 - total flux cleaned = 0.0370227 Jy ! Total flux subtracted in 200 components = 0.0370227 Jy ! Clean residual min=-0.004523 max=0.005122 Jy/beam ! Clean residual mean=-0.000126 rms=0.001502 Jy/beam ! Combined flux in latest and established models = 0.668404 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00611682 Jy ! Component: 100 - total flux cleaned = 0.0115042 Jy ! Component: 150 - total flux cleaned = 0.0162735 Jy ! Component: 200 - total flux cleaned = 0.0205128 Jy ! Total flux subtracted in 200 components = 0.0205128 Jy ! Clean residual min=-0.003837 max=0.004235 Jy/beam ! Clean residual mean=-0.000107 rms=0.001213 Jy/beam ! Combined flux in latest and established models = 0.688917 Jy ! Adding 227 model components to the UV plane model. ! The established model now contains 576 components and 0.688917 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.608 mas, bmaj=5.213 mas, bpa=-58.13 degrees ! Estimated noise=0.212966 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00306874 Jy ! Component: 100 - total flux cleaned = 0.00523056 Jy ! Component: 150 - total flux cleaned = 0.00718224 Jy ! Component: 200 - total flux cleaned = 0.00897843 Jy ! Total flux subtracted in 200 components = 0.00897843 Jy ! Clean residual min=-0.002490 max=0.002172 Jy/beam ! Clean residual mean=-0.000042 rms=0.000605 Jy/beam ! Combined flux in latest and established models = 0.697896 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 612 components and 0.697896 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063909Jy sigma=1.222210 ! Fit after self-cal, rms=0.063833Jy sigma=1.220812 wmodel J1609+7939_S_a_map.mod ! Writing 612 model components to file: J1609+7939_S_a_map.mod wobs J1609+7939_S_a_uvs.fits ! Writing UV FITS file: J1609+7939_S_a_uvs.fits wwins J1609+7939_S_a_map.win ! wwins: Wrote 15 windows to J1609+7939_S_a_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000983639 Jy ! Component: 100 - total flux cleaned = -0.0013724 Jy ! Component: 150 - total flux cleaned = -0.00148113 Jy ! Component: 200 - total flux cleaned = -0.00151624 Jy ! Component: 250 - total flux cleaned = -0.00158412 Jy ! Component: 300 - total flux cleaned = -0.00171493 Jy ! Component: 350 - total flux cleaned = -0.00184312 Jy ! Component: 400 - total flux cleaned = -0.0019059 Jy ! Component: 450 - total flux cleaned = -0.00184447 Jy ! Component: 500 - total flux cleaned = -0.00181439 Jy ! Component: 550 - total flux cleaned = -0.00175411 Jy ! Component: 600 - total flux cleaned = -0.00172393 Jy ! Component: 650 - total flux cleaned = -0.00157925 Jy ! Component: 700 - total flux cleaned = -0.00155128 Jy ! Component: 750 - total flux cleaned = -0.00149525 Jy ! Component: 800 - total flux cleaned = -0.00155055 Jy ! Component: 850 - total flux cleaned = -0.0015233 Jy ! Component: 900 - total flux cleaned = -0.00152316 Jy ! Component: 950 - total flux cleaned = -0.00149672 Jy ! Component: 1000 - total flux cleaned = -0.00152297 Jy ! Component: 1050 - total flux cleaned = -0.00152288 Jy ! Component: 1100 - total flux cleaned = -0.00149748 Jy ! Component: 1150 - total flux cleaned = -0.00154801 Jy ! Component: 1200 - total flux cleaned = -0.00142228 Jy ! Component: 1250 - total flux cleaned = -0.00149725 Jy ! Component: 1300 - total flux cleaned = -0.00149721 Jy ! Component: 1350 - total flux cleaned = -0.00147257 Jy ! Component: 1400 - total flux cleaned = -0.00142445 Jy ! Component: 1450 - total flux cleaned = -0.00142404 Jy ! Component: 1500 - total flux cleaned = -0.00128233 Jy ! Component: 1550 - total flux cleaned = -0.00125904 Jy ! Component: 1600 - total flux cleaned = -0.00125895 Jy ! Component: 1650 - total flux cleaned = -0.00121292 Jy ! Component: 1700 - total flux cleaned = -0.00118974 Jy ! Component: 1750 - total flux cleaned = -0.00125706 Jy ! Component: 1800 - total flux cleaned = -0.00118996 Jy ! Component: 1850 - total flux cleaned = -0.00121206 Jy ! Component: 1900 - total flux cleaned = -0.00121216 Jy ! Component: 1950 - total flux cleaned = -0.00121242 Jy ! Component: 2000 - total flux cleaned = -0.00129912 Jy ! Component: 2050 - total flux cleaned = -0.00136348 Jy ! Component: 2100 - total flux cleaned = -0.00138487 Jy ! Component: 2150 - total flux cleaned = -0.00144813 Jy ! Component: 2200 - total flux cleaned = -0.00149021 Jy ! Component: 2250 - total flux cleaned = -0.00153169 Jy ! Component: 2300 - total flux cleaned = -0.0015731 Jy ! Component: 2350 - total flux cleaned = -0.00161435 Jy ! Component: 2400 - total flux cleaned = -0.001737 Jy ! Component: 2450 - total flux cleaned = -0.00173714 Jy ! Component: 2500 - total flux cleaned = -0.00179778 Jy ! Component: 2550 - total flux cleaned = -0.00187794 Jy ! Component: 2600 - total flux cleaned = -0.00199694 Jy ! Component: 2650 - total flux cleaned = -0.00201646 Jy ! Component: 2700 - total flux cleaned = -0.00205571 Jy ! Component: 2750 - total flux cleaned = -0.00209422 Jy ! Component: 2800 - total flux cleaned = -0.00211384 Jy ! Component: 2850 - total flux cleaned = -0.0021139 Jy ! Component: 2900 - total flux cleaned = -0.00219044 Jy ! Component: 2950 - total flux cleaned = -0.00228546 Jy ! Component: 3000 - total flux cleaned = -0.00222889 Jy ! Component: 3050 - total flux cleaned = -0.0023228 Jy ! Component: 3100 - total flux cleaned = -0.00239752 Jy ! Component: 3150 - total flux cleaned = -0.00249007 Jy ! Component: 3200 - total flux cleaned = -0.0025451 Jy ! Component: 3250 - total flux cleaned = -0.0025449 Jy ! Component: 3300 - total flux cleaned = -0.00256311 Jy ! Component: 3350 - total flux cleaned = -0.00261723 Jy ! Component: 3400 - total flux cleaned = -0.00263523 Jy ! Component: 3450 - total flux cleaned = -0.00263514 Jy ! Component: 3500 - total flux cleaned = -0.00263537 Jy ! Component: 3550 - total flux cleaned = -0.0027414 Jy ! Component: 3600 - total flux cleaned = -0.0027766 Jy ! Component: 3650 - total flux cleaned = -0.00270695 Jy ! Component: 3700 - total flux cleaned = -0.00282844 Jy ! Component: 3750 - total flux cleaned = -0.00277671 Jy ! Component: 3800 - total flux cleaned = -0.00289672 Jy ! Component: 3850 - total flux cleaned = -0.00289678 Jy ! Component: 3900 - total flux cleaned = -0.00301568 Jy ! Component: 3950 - total flux cleaned = -0.00306635 Jy ! Component: 4000 - total flux cleaned = -0.00306622 Jy ! Component: 4050 - total flux cleaned = -0.00318316 Jy ! Total flux subtracted in 4096 components = -0.00311672 Jy ! Clean residual min=-0.000976 max=0.000975 Jy/beam ! Clean residual mean=-0.000028 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 0.694779 Jy keep ! Adding 398 model components to the UV plane model. ! The established model now contains 1006 components and 0.694779 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1609+7939_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.608 x 5.213 at -58.13 degrees (North through East) ! Clean map min=-0.001686 max=0.16157 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1609+7939_S_a_map.fits wmodel /vlbi/uf001/uvm//J1609+7939_S_a_map.mod ! Writing 1006 model components to file: /vlbi/uf001/uvm//J1609+7939_S_a_map.mod wobs /vlbi/uf001/uvm//J1609+7939_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1609+7939_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1609+7939_S_a_map.win ! wwins: Wrote 16 windows to /vlbi/uf001/uvm//J1609+7939_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.161574 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000356608 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.662127 0.662127 1.32425 2.64851 5.29702 10.594 21.1881 42.3761 84.7523 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.161 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 453.085 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1609+7939_S_a_dfm.log closed on Sun Jan 13 21:59:56 2019