! Started logfile: /vlbi/sb072/temp_maps//J1937-3958_C_dfm.log on Sat Dec 15 22:37:58 2018 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/sb072/temp_maps//J1937-3958_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1937-3958_C_uvm.fits ! AN table 1: 14 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.979592 visibilities/baseline/integration-bin. ! Found source: J1937-3958 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 2304 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1937-3958_C] 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 0.300x0.300 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 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.264437Jy sigma=26.198415 ! Fit after self-cal, rms=0.319251Jy sigma=5.739598 ! 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=1.049 mas, bmaj=3.142 mas, bpa=-8.626 degrees ! Estimated noise=1.33451 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 = 0.559243 Jy ! Component: 100 - total flux cleaned = 0.68625 Jy ! Total flux subtracted in 100 components = 0.68625 Jy ! Clean residual min=-0.058036 max=0.083121 Jy/beam ! Clean residual mean=0.000037 rms=0.007903 Jy/beam ! Combined flux in latest and established models = 0.68625 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.68625 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.197029Jy sigma=3.892156 ! Fit after self-cal, rms=0.196907Jy sigma=3.891386 ! Inverting map ! Added new window around map position (-3.3, -0.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0732425 Jy ! Component: 100 - total flux cleaned = 0.103058 Jy ! Total flux subtracted in 100 components = 0.103058 Jy ! Clean residual min=-0.027962 max=0.065656 Jy/beam ! Clean residual mean=0.000020 rms=0.006032 Jy/beam ! Combined flux in latest and established models = 0.789308 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 13 components and 0.789308 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.160670Jy sigma=2.962725 ! Fit after self-cal, rms=0.158728Jy sigma=2.846555 ! Inverting map ! Added new window around map position (2.1, 8.7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0498058 Jy ! Component: 100 - total flux cleaned = 0.0772501 Jy ! Total flux subtracted in 100 components = 0.0772501 Jy ! Clean residual min=-0.025282 max=0.028325 Jy/beam ! Clean residual mean=0.000007 rms=0.004693 Jy/beam ! Combined flux in latest and established models = 0.866558 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 23 components and 0.866558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.132392Jy sigma=2.240168 ! Fit after self-cal, rms=0.132292Jy sigma=2.228519 ! 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=1.452 mas, bmaj=4.016 mas, bpa=-9.098 degrees ! Estimated noise=0.837335 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 = 0.0404902 Jy ! Component: 100 - total flux cleaned = 0.0659706 Jy ! Component: 150 - total flux cleaned = 0.0834165 Jy ! Component: 200 - total flux cleaned = 0.0957149 Jy ! Total flux subtracted in 200 components = 0.0957149 Jy ! Clean residual min=-0.031915 max=0.027336 Jy/beam ! Clean residual mean=-0.000029 rms=0.007337 Jy/beam ! Combined flux in latest and established models = 0.962273 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 45 components and 0.962273 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.116001Jy sigma=1.871638 ! Fit after self-cal, rms=0.114969Jy sigma=1.851812 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.452 x 4.016 at -9.098 degrees (North through East) ! Clean map min=-0.029667 max=0.68957 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 LA 1.06 MK 1.03 NL 1.21 ! OV 0.92 PT 0.91 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 LA 1.06 MK 1.00 NL 1.21 ! OV 0.92 PT 0.91 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 LA 1.07 MK 1.06 NL 1.16 ! OV 0.96 PT 0.98 SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 LA 1.07 MK 0.99 NL 1.16 ! OV 0.94 PT 0.92 SC 1.05 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 LA 1.06 MK 1.02 NL 1.10 ! OV 0.97 PT 0.94 SC 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 LA 1.07 MK 1.00 NL 1.07 ! OV 0.97 PT 0.93 SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 LA 1.06 MK 1.00 NL 1.08 ! OV 0.97 PT 0.94 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 LA 1.06 MK 1.00 NL 1.10 ! OV 0.96 PT 0.94 SC 1.04 ! ! ! Fit before self-cal, rms=0.114969Jy sigma=1.851812 ! Fit after self-cal, rms=0.102606Jy sigma=1.478686 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.461 mas, bmaj=4.035 mas, bpa=-9.16 degrees ! Estimated noise=0.849779 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 = -0.00903668 Jy ! Component: 100 - total flux cleaned = -0.009747 Jy ! Component: 150 - total flux cleaned = -0.0100564 Jy ! Component: 200 - total flux cleaned = -0.0103186 Jy ! Total flux subtracted in 200 components = -0.0103186 Jy ! Clean residual min=-0.014946 max=0.018263 Jy/beam ! Clean residual mean=0.000050 rms=0.003876 Jy/beam ! Combined flux in latest and established models = 0.951954 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 60 components and 0.951954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.100196Jy sigma=1.424712 ! Fit after self-cal, rms=0.099454Jy sigma=1.421407 ! Inverting map ! Added new window around map position (6, -15.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0171227 Jy ! Component: 100 - total flux cleaned = 0.0213808 Jy ! Component: 150 - total flux cleaned = 0.0229504 Jy ! Component: 200 - total flux cleaned = 0.0231865 Jy ! Total flux subtracted in 200 components = 0.0231865 Jy ! Clean residual min=-0.012025 max=0.015760 Jy/beam ! Clean residual mean=0.000056 rms=0.003169 Jy/beam ! Combined flux in latest and established models = 0.975141 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 82 components and 0.975141 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.096173Jy sigma=1.331347 ! Fit after self-cal, rms=0.095142Jy sigma=1.322030 ! 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.095142Jy sigma=1.322030 ! Fit after self-cal, rms=0.083146Jy sigma=0.907486 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.463 mas, bmaj=4.035 mas, bpa=-9.171 degrees ! Estimated noise=0.848702 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00222206 Jy ! Component: 100 - total flux cleaned = -0.00248017 Jy ! Component: 150 - total flux cleaned = -0.00248034 Jy ! Component: 200 - total flux cleaned = -0.0022814 Jy ! Total flux subtracted in 200 components = -0.0022814 Jy ! Clean residual min=-0.010358 max=0.007403 Jy/beam ! Clean residual mean=-0.000019 rms=0.002068 Jy/beam ! Combined flux in latest and established models = 0.972859 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 94 components and 0.972859 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.081273Jy sigma=0.847336 ! Fit after self-cal, rms=0.080937Jy sigma=0.843797 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 = -0.000287082 Jy ! Component: 100 - total flux cleaned = 0.000232471 Jy ! Component: 150 - total flux cleaned = 0.000549624 Jy ! Component: 200 - total flux cleaned = 0.00084554 Jy ! Total flux subtracted in 200 components = 0.00084554 Jy ! Clean residual min=-0.008889 max=0.007410 Jy/beam ! Clean residual mean=-0.000018 rms=0.002006 Jy/beam ! Combined flux in latest and established models = 0.973705 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 103 components and 0.973705 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.080251Jy sigma=0.820048 ! Fit after self-cal, rms=0.080141Jy sigma=0.818855 ! 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.080141Jy sigma=0.818855 ! Fit after self-cal, rms=0.079871Jy sigma=0.798152 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.463 mas, bmaj=4.034 mas, bpa=-9.173 degrees ! Estimated noise=0.849232 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00400267 Jy ! Component: 100 - total flux cleaned = -0.00435472 Jy ! Component: 150 - total flux cleaned = -0.00392065 Jy ! Component: 200 - total flux cleaned = -0.00364713 Jy ! Total flux subtracted in 200 components = -0.00364713 Jy ! Clean residual min=-0.007609 max=0.006753 Jy/beam ! Clean residual mean=-0.000017 rms=0.001773 Jy/beam ! Combined flux in latest and established models = 0.970058 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 109 components and 0.970058 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.079219Jy sigma=0.772386 ! Fit after self-cal, rms=0.079109Jy sigma=0.771388 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 = -1.89451e-06 Jy ! Component: 100 - total flux cleaned = 0.000351517 Jy ! Component: 150 - total flux cleaned = 0.000462957 Jy ! Component: 200 - total flux cleaned = 0.000567032 Jy ! Total flux subtracted in 200 components = 0.000567032 Jy ! Clean residual min=-0.006932 max=0.006655 Jy/beam ! Clean residual mean=-0.000016 rms=0.001733 Jy/beam ! Combined flux in latest and established models = 0.970625 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 119 components and 0.970625 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.078809Jy sigma=0.759831 ! Fit after self-cal, rms=0.078765Jy sigma=0.759381 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.078765Jy sigma=0.759381 ! Fit after self-cal, rms=0.078661Jy sigma=0.747196 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.263 mas, bmaj=12.87 mas, bpa=-3.267 degrees ! Estimated noise=1.0576 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0041598 Jy ! Component: 100 - total flux cleaned = -0.00389838 Jy ! Component: 150 - total flux cleaned = -0.00368494 Jy ! Component: 200 - total flux cleaned = -0.00350985 Jy ! Total flux subtracted in 200 components = -0.00350985 Jy ! Clean residual min=-0.007495 max=0.008262 Jy/beam ! Clean residual mean=-0.000029 rms=0.002335 Jy/beam ! Combined flux in latest and established models = 0.967115 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 126 components and 0.967115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.078552Jy sigma=0.742347 ! Fit after self-cal, rms=0.078568Jy sigma=0.740753 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 = 0.000253864 Jy ! Component: 100 - total flux cleaned = 0.000497635 Jy ! Component: 150 - total flux cleaned = 0.000698101 Jy ! Component: 200 - total flux cleaned = 0.000756633 Jy ! Total flux subtracted in 200 components = 0.000756633 Jy ! Clean residual min=-0.007391 max=0.008041 Jy/beam ! Clean residual mean=-0.000028 rms=0.002308 Jy/beam ! Combined flux in latest and established models = 0.967871 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 130 components and 0.967871 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.078564Jy sigma=0.741319 ! Fit after self-cal, rms=0.078584Jy sigma=0.740739 ! 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=1.463 mas, bmaj=4.034 mas, bpa=-9.183 degrees ! Estimated noise=0.849439 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.463 x 4.034 at -9.183 degrees (North through East) ! Clean map min=-0.0071991 max=0.69869 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.078584Jy sigma=0.740739 ! Fit after self-cal, rms=0.079653Jy sigma=0.668351 ! Inverting map and beam ! Estimated beam: bmin=1.463 mas, bmaj=4.037 mas, bpa=-9.32 degrees ! Estimated noise=0.851285 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00297109 Jy ! Component: 100 - total flux cleaned = -0.00334157 Jy ! Component: 150 - total flux cleaned = -0.00376645 Jy ! Component: 200 - total flux cleaned = -0.00404767 Jy ! Total flux subtracted in 200 components = -0.00404767 Jy ! Clean residual min=-0.006381 max=0.005504 Jy/beam ! Clean residual mean=-0.000013 rms=0.001478 Jy/beam ! Combined flux in latest and established models = 0.963824 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 140 components and 0.963824 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.079288Jy sigma=0.652909 ! Fit after self-cal, rms=0.079230Jy sigma=0.652553 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000294045 Jy ! Component: 100 - total flux cleaned = -0.000376102 Jy ! Component: 150 - total flux cleaned = -0.00045264 Jy ! Component: 200 - total flux cleaned = -0.000454497 Jy ! Total flux subtracted in 200 components = -0.000454497 Jy ! Clean residual min=-0.006318 max=0.005505 Jy/beam ! Clean residual mean=-0.000013 rms=0.001463 Jy/beam ! Combined flux in latest and established models = 0.963369 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 147 components and 0.963369 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.079050Jy sigma=0.646991 ! Fit after self-cal, rms=0.079023Jy sigma=0.646870 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.079023Jy sigma=0.646870 ! Fit after self-cal, rms=0.079161Jy sigma=0.643123 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=1.053 mas, bmaj=3.138 mas, bpa=-8.633 degrees ! Estimated noise=1.36932 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.573099 Jy ! Component: 100 - total flux cleaned = 0.709298 Jy ! Component: 150 - total flux cleaned = 0.772314 Jy ! Component: 200 - total flux cleaned = 0.810585 Jy ! Total flux subtracted in 200 components = 0.810585 Jy ! Clean residual min=-0.019396 max=0.024545 Jy/beam ! Clean residual mean=0.000018 rms=0.002965 Jy/beam ! Combined flux in latest and established models = 0.810585 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.810585 Jy ! Inverting map and beam ! Estimated beam: bmin=1.463 mas, bmaj=4.035 mas, bpa=-9.305 degrees ! Estimated noise=0.85117 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 = 0.0456831 Jy ! Component: 100 - total flux cleaned = 0.0733058 Jy ! Component: 150 - total flux cleaned = 0.0934138 Jy ! Component: 200 - total flux cleaned = 0.108319 Jy ! Total flux subtracted in 200 components = 0.108319 Jy ! Clean residual min=-0.009094 max=0.011081 Jy/beam ! Clean residual mean=-0.000013 rms=0.003388 Jy/beam ! Combined flux in latest and established models = 0.918905 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 55 components and 0.918905 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.278 mas, bmaj=12.89 mas, bpa=-3.345 degrees ! Estimated noise=1.05887 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0181139 Jy ! Component: 100 - total flux cleaned = 0.0277566 Jy ! Component: 150 - total flux cleaned = 0.0335718 Jy ! Component: 200 - total flux cleaned = 0.0372566 Jy ! Total flux subtracted in 200 components = 0.0372566 Jy ! Clean residual min=-0.008403 max=0.006848 Jy/beam ! Clean residual mean=-0.000033 rms=0.002240 Jy/beam ! Combined flux in latest and established models = 0.956161 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 = 0.000766747 Jy ! Component: 100 - total flux cleaned = 0.00104464 Jy ! Component: 150 - total flux cleaned = 0.00103624 Jy ! Component: 200 - total flux cleaned = 0.00104295 Jy ! Total flux subtracted in 200 components = 0.00104295 Jy ! Clean residual min=-0.008064 max=0.006806 Jy/beam ! Clean residual mean=-0.000033 rms=0.002171 Jy/beam ! Combined flux in latest and established models = 0.957204 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 82 components and 0.957204 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.463 mas, bmaj=4.035 mas, bpa=-9.305 degrees ! Estimated noise=0.85117 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00219282 Jy ! Component: 100 - total flux cleaned = -0.00199689 Jy ! Component: 150 - total flux cleaned = -0.00139045 Jy ! Component: 200 - total flux cleaned = -0.00101 Jy ! Total flux subtracted in 200 components = -0.00101 Jy ! Clean residual min=-0.006338 max=0.005444 Jy/beam ! Clean residual mean=-0.000016 rms=0.001423 Jy/beam ! Combined flux in latest and established models = 0.956194 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 99 components and 0.956194 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.079485Jy sigma=0.648325 ! Fit after self-cal, rms=0.079208Jy sigma=0.643861 wmodel J1937-3958_C_map.mod ! Writing 99 model components to file: J1937-3958_C_map.mod wobs J1937-3958_C_uvs.fits ! Writing UV FITS file: J1937-3958_C_uvs.fits wwins J1937-3958_C_map.win ! wwins: Wrote 4 windows to J1937-3958_C_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 = -0.00146752 Jy ! Component: 100 - total flux cleaned = -0.00186712 Jy ! Component: 150 - total flux cleaned = -0.00205066 Jy ! Component: 200 - total flux cleaned = -0.00188205 Jy ! Component: 250 - total flux cleaned = -0.00156449 Jy ! Component: 300 - total flux cleaned = -0.00111761 Jy ! Component: 350 - total flux cleaned = -0.00104319 Jy ! Component: 400 - total flux cleaned = -0.000970597 Jy ! Component: 450 - total flux cleaned = -0.00110165 Jy ! Component: 500 - total flux cleaned = -0.00122984 Jy ! Component: 550 - total flux cleaned = -0.00135529 Jy ! Component: 600 - total flux cleaned = -0.00165834 Jy ! Component: 650 - total flux cleaned = -0.00201048 Jy ! Component: 700 - total flux cleaned = -0.00223838 Jy ! Component: 750 - total flux cleaned = -0.00257195 Jy ! Component: 800 - total flux cleaned = -0.00284125 Jy ! Component: 850 - total flux cleaned = -0.00299975 Jy ! Component: 900 - total flux cleaned = -0.00325721 Jy ! Component: 950 - total flux cleaned = -0.00350753 Jy ! Component: 1000 - total flux cleaned = -0.00365487 Jy ! Component: 1050 - total flux cleaned = -0.00389393 Jy ! Component: 1100 - total flux cleaned = -0.00408053 Jy ! Component: 1150 - total flux cleaned = -0.00417176 Jy ! Component: 1200 - total flux cleaned = -0.00412743 Jy ! Component: 1250 - total flux cleaned = -0.00412861 Jy ! Component: 1300 - total flux cleaned = -0.00412903 Jy ! Component: 1350 - total flux cleaned = -0.00400225 Jy ! Component: 1400 - total flux cleaned = -0.00387859 Jy ! Component: 1450 - total flux cleaned = -0.00391919 Jy ! Component: 1500 - total flux cleaned = -0.00387902 Jy ! Component: 1550 - total flux cleaned = -0.00372151 Jy ! Component: 1600 - total flux cleaned = -0.00364315 Jy ! Component: 1650 - total flux cleaned = -0.00341438 Jy ! Component: 1700 - total flux cleaned = -0.00334004 Jy ! Component: 1750 - total flux cleaned = -0.00334094 Jy ! Component: 1800 - total flux cleaned = -0.00341434 Jy ! Component: 1850 - total flux cleaned = -0.0033426 Jy ! Component: 1900 - total flux cleaned = -0.00334261 Jy ! Component: 1950 - total flux cleaned = -0.00330777 Jy ! Component: 2000 - total flux cleaned = -0.0032729 Jy ! Component: 2050 - total flux cleaned = -0.00330727 Jy ! Component: 2100 - total flux cleaned = -0.00327313 Jy ! Component: 2150 - total flux cleaned = -0.00317239 Jy ! Component: 2200 - total flux cleaned = -0.0031396 Jy ! Component: 2250 - total flux cleaned = -0.00317258 Jy ! Component: 2300 - total flux cleaned = -0.00314008 Jy ! Component: 2350 - total flux cleaned = -0.00317193 Jy ! Component: 2400 - total flux cleaned = -0.00320364 Jy ! Component: 2450 - total flux cleaned = -0.00317228 Jy ! Component: 2500 - total flux cleaned = -0.00314145 Jy ! Component: 2550 - total flux cleaned = -0.00317221 Jy ! Component: 2600 - total flux cleaned = -0.00314131 Jy ! Component: 2650 - total flux cleaned = -0.00320208 Jy ! Component: 2700 - total flux cleaned = -0.0031423 Jy ! Component: 2750 - total flux cleaned = -0.00317183 Jy ! Component: 2800 - total flux cleaned = -0.00308419 Jy ! Component: 2850 - total flux cleaned = -0.00311321 Jy ! Component: 2900 - total flux cleaned = -0.00302747 Jy ! Component: 2950 - total flux cleaned = -0.00319862 Jy ! Component: 3000 - total flux cleaned = -0.00317035 Jy ! Component: 3050 - total flux cleaned = -0.00302987 Jy ! Component: 3100 - total flux cleaned = -0.00311359 Jy ! Component: 3150 - total flux cleaned = -0.00305864 Jy ! Component: 3200 - total flux cleaned = -0.00314111 Jy ! Component: 3250 - total flux cleaned = -0.00316801 Jy ! Component: 3300 - total flux cleaned = -0.00316803 Jy ! Component: 3350 - total flux cleaned = -0.00316797 Jy ! Component: 3400 - total flux cleaned = -0.00319424 Jy ! Component: 3450 - total flux cleaned = -0.00316784 Jy ! Component: 3500 - total flux cleaned = -0.00316774 Jy ! Component: 3550 - total flux cleaned = -0.00329689 Jy ! Component: 3600 - total flux cleaned = -0.00316841 Jy ! Component: 3650 - total flux cleaned = -0.00332129 Jy ! Component: 3700 - total flux cleaned = -0.00329547 Jy ! Component: 3750 - total flux cleaned = -0.00324555 Jy ! Component: 3800 - total flux cleaned = -0.00329545 Jy ! Component: 3850 - total flux cleaned = -0.00336961 Jy ! Component: 3900 - total flux cleaned = -0.00341884 Jy ! Component: 3950 - total flux cleaned = -0.00344304 Jy ! Component: 4000 - total flux cleaned = -0.00344304 Jy ! Component: 4050 - total flux cleaned = -0.00358725 Jy ! Total flux subtracted in 4096 components = -0.00353973 Jy ! Clean residual min=-0.001207 max=0.001398 Jy/beam ! Clean residual mean=-0.000011 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.952654 Jy keep ! Adding 259 model components to the UV plane model. ! The established model now contains 358 components and 0.952654 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1937-3958_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.463 x 4.035 at -9.305 degrees (North through East) ! Clean map min=-0.0043085 max=0.70108 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1937-3958_C_map.fits wmodel /vlbi/sb072/temp_maps//J1937-3958_C_map.mod ! Writing 358 model components to file: /vlbi/sb072/temp_maps//J1937-3958_C_map.mod wobs /vlbi/sb072/temp_maps//J1937-3958_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1937-3958_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1937-3958_C_map.win ! wwins: Wrote 5 windows to /vlbi/sb072/temp_maps//J1937-3958_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.701081 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000440232 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.18838 0.18838 0.376759 0.753519 1.50704 3.01408 6.02815 12.0563 24.1126 48.2252 96.4504 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.701 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1592.53 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1937-3958_C_dfm.log closed on Sat Dec 15 22:38:02 2018