! Started logfile: /vlbi/sb072/temp_maps//J1956+0234_C_dfm.log on Tue Mar 5 23:32:09 2019 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//J1956+0234_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1956+0234_C_uvm.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! AN table 2: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1956+0234 ! ! 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 94 lines of history. ! ! Reading 13464 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 J1956+0234_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. ! ! 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=1.000236Jy sigma=39.899555 ! Fit after self-cal, rms=0.988781Jy sigma=39.453074 ! 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=1.537 mas, bmaj=3.792 mas, bpa=9.952 degrees ! Estimated noise=0.300396 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 = 0.00876801 Jy ! Component: 100 - total flux cleaned = 0.0106756 Jy ! Total flux subtracted in 100 components = 0.0106756 Jy ! Clean residual min=-0.000981 max=0.000955 Jy/beam ! Clean residual mean=0.000000 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.0106756 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0106756 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=0.022174Jy sigma=0.773124 ! Fit after self-cal, rms=0.020133Jy sigma=0.679777 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00373513 Jy ! Component: 100 - total flux cleaned = 0.00484246 Jy ! Total flux subtracted in 100 components = 0.00484246 Jy ! Clean residual min=-0.000888 max=0.000863 Jy/beam ! Clean residual mean=-0.000000 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.0155181 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 12 components and 0.0155181 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=0.019483Jy sigma=0.657071 ! Fit after self-cal, rms=0.019476Jy sigma=0.656964 ! 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=1.91 mas, bmaj=4.498 mas, bpa=10.32 degrees ! Estimated noise=0.159025 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 = 0.000299455 Jy ! Component: 100 - total flux cleaned = 0.0003375 Jy ! Component: 150 - total flux cleaned = 0.00034647 Jy ! Component: 200 - total flux cleaned = 0.000354197 Jy ! Total flux subtracted in 200 components = 0.000354197 Jy ! Clean residual min=-0.000677 max=0.000693 Jy/beam ! Clean residual mean=0.000000 rms=0.000147 Jy/beam ! Combined flux in latest and established models = 0.0158723 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 19 components and 0.0158723 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=0.019463Jy sigma=0.656721 ! Fit after self-cal, rms=0.019462Jy sigma=0.656703 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.91 x 4.498 at 10.32 degrees (North through East) ! Clean map min=-0.00064822 max=0.014971 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.95 HN 1.08 KP 0.88 ! LA 1.01 MK 0.80 NL 1.18 OV 1.05 ! PT 0.92 SC 1.14 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.77 HN 0.94 KP 0.96 ! LA 0.98 NL 0.99 OV 1.00 PT 0.84 ! SC 0.88 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.94 HN 0.99 KP 1.05 ! LA 1.08 MK 0.68 NL 1.18 OV 0.96 ! PT 0.96 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.84 HN 0.97 KP 0.89 ! LA 1.10 NL 1.01 OV 1.02 PT 0.92 ! SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.91 KP 1.00 ! LA 1.07 MK 0.77 NL 1.05 OV 1.06 ! PT 0.90 SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.89 FD 0.88 HN 1.12 KP 0.96 ! LA 1.03 NL 0.99 OV 1.11 PT 0.85 ! SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.90 HN 0.97 KP 1.05 ! LA 1.12 MK 0.81 NL 0.93 OV 0.96 ! PT 0.88 SC 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 0.94 HN 1.12 KP 0.95 ! LA 0.95 NL 0.99 OV 1.04 PT 0.65 ! SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.00 HN 1.04 KP 0.94 ! LA 1.06 MK 0.82 NL 1.17 OV 1.07 ! PT 0.90 SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.85 FD 0.96 HN 1.02 KP 0.98 ! LA 1.08 NL 1.16 OV 1.10 PT 0.95 ! SC 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 0.99 HN 1.13 KP 1.17 ! LA 1.15 MK 0.72 NL 1.21 OV 1.02 ! PT 0.90 SC 1.14 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.12 FD 1.05 HN 1.01 KP 0.94 ! LA 1.10 NL 1.14 OV 1.06 PT 0.92 ! SC 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 1.06 KP 0.93 ! LA 1.12 MK 0.70 NL 1.24 OV 1.11 ! PT 0.92 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 0.95 HN 1.04 KP 1.00 ! LA 1.06 NL 1.11 OV 0.91 PT 0.92 ! SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.93 HN 0.96 KP 0.98 ! LA 1.11 MK 0.82 NL 1.21 OV 1.04 ! PT 1.02 SC 1.15 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.89 HN 1.05 KP 1.06 ! LA 1.10 NL 1.09 OV 1.02 PT 0.95 ! SC 1.01 ! ! ! Fit before self-cal, rms=0.019462Jy sigma=0.656703 ! Fit after self-cal, rms=0.018052Jy sigma=0.651085 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.892 mas, bmaj=4.441 mas, bpa=8.983 degrees ! Estimated noise=0.158285 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 = 0.000101607 Jy ! Component: 100 - total flux cleaned = 0.000107433 Jy ! Component: 150 - total flux cleaned = 0.000112412 Jy ! Component: 200 - total flux cleaned = 0.000112419 Jy ! Total flux subtracted in 200 components = 0.000112419 Jy ! Clean residual min=-0.000498 max=0.000467 Jy/beam ! Clean residual mean=0.000000 rms=0.000110 Jy/beam ! Combined flux in latest and established models = 0.0159847 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 24 components and 0.0159847 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=0.018049Jy sigma=0.650953 ! Fit after self-cal, rms=0.018045Jy sigma=0.650484 ! 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=0.018045Jy sigma=0.650484 ! Fit after self-cal, rms=0.018023Jy sigma=0.650407 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.886 mas, bmaj=4.426 mas, bpa=8.79 degrees ! Estimated noise=0.158317 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.26956e-05 Jy ! Component: 100 - total flux cleaned = 8.76319e-05 Jy ! Component: 150 - total flux cleaned = 9.18433e-05 Jy ! Component: 200 - total flux cleaned = 9.16501e-05 Jy ! Total flux subtracted in 200 components = 9.16501e-05 Jy ! Clean residual min=-0.000488 max=0.000458 Jy/beam ! Clean residual mean=0.000000 rms=0.000110 Jy/beam ! Combined flux in latest and established models = 0.0160763 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 28 components and 0.0160763 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=0.018021Jy sigma=0.650318 ! Fit after self-cal, rms=0.018024Jy sigma=0.650301 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 = -1.08027e-05 Jy ! Component: 100 - total flux cleaned = -7.2649e-06 Jy ! Component: 150 - total flux cleaned = -7.4078e-06 Jy ! Component: 200 - total flux cleaned = -4.44758e-06 Jy ! Total flux subtracted in 200 components = -4.44758e-06 Jy ! Clean residual min=-0.000489 max=0.000452 Jy/beam ! Clean residual mean=0.000000 rms=0.000109 Jy/beam ! Combined flux in latest and established models = 0.0160719 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 30 components and 0.0160719 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=0.018023Jy sigma=0.650256 ! Fit after self-cal, rms=0.018023Jy sigma=0.650249 ! 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=0.018023Jy sigma=0.650249 ! Fit after self-cal, rms=0.018298Jy sigma=0.650384 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.878 mas, bmaj=4.407 mas, bpa=8.643 degrees ! Estimated noise=0.159358 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0001702 Jy ! Component: 100 - total flux cleaned = 0.000229582 Jy ! Component: 150 - total flux cleaned = 0.000235626 Jy ! Component: 200 - total flux cleaned = 0.000241183 Jy ! Total flux subtracted in 200 components = 0.000241183 Jy ! Clean residual min=-0.000490 max=0.000479 Jy/beam ! Clean residual mean=0.000000 rms=0.000111 Jy/beam ! Combined flux in latest and established models = 0.0163131 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 32 components and 0.0163131 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=0.018296Jy sigma=0.650318 ! Fit after self-cal, rms=0.018303Jy sigma=0.650273 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 = -4.26756e-06 Jy ! Component: 100 - total flux cleaned = -1.64499e-06 Jy ! Component: 150 - total flux cleaned = 3.37496e-06 Jy ! Component: 200 - total flux cleaned = 1.02728e-05 Jy ! Total flux subtracted in 200 components = 1.02728e-05 Jy ! Clean residual min=-0.000486 max=0.000470 Jy/beam ! Clean residual mean=0.000000 rms=0.000110 Jy/beam ! Combined flux in latest and established models = 0.0163233 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 32 components and 0.0163233 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=0.018302Jy sigma=0.650247 ! Fit after self-cal, rms=0.018300Jy sigma=0.650221 ! 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=0.018300Jy sigma=0.650221 ! Fit after self-cal, rms=0.018379Jy sigma=0.650232 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.787 mas, bmaj=6.234 mas, bpa=-0.1086 degrees ! Estimated noise=0.190395 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000193616 Jy ! Component: 100 - total flux cleaned = 0.00023154 Jy ! Component: 150 - total flux cleaned = 0.000240701 Jy ! Component: 200 - total flux cleaned = 0.000247819 Jy ! Total flux subtracted in 200 components = 0.000247819 Jy ! Clean residual min=-0.000603 max=0.000579 Jy/beam ! Clean residual mean=0.000001 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.0165712 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 38 components and 0.0165712 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=0.018380Jy sigma=0.650235 ! Fit after self-cal, rms=0.018381Jy sigma=0.650200 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 = 3.39408e-05 Jy ! Component: 100 - total flux cleaned = 2.66177e-05 Jy ! Component: 150 - total flux cleaned = 1.98219e-05 Jy ! Component: 200 - total flux cleaned = 1.87133e-05 Jy ! Total flux subtracted in 200 components = 1.87133e-05 Jy ! Clean residual min=-0.000603 max=0.000581 Jy/beam ! Clean residual mean=0.000001 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.0165899 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 41 components and 0.0165899 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=0.018382Jy sigma=0.650222 ! Fit after self-cal, rms=0.018382Jy sigma=0.650216 ! 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=1.871 mas, bmaj=4.392 mas, bpa=8.531 degrees ! Estimated noise=0.160204 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.871 x 4.392 at 8.531 degrees (North through East) ! Clean map min=-0.00045958 max=0.015093 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=1.502 mas, bmaj=3.7 mas, bpa=7.557 degrees ! Estimated noise=0.29883 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0117743 Jy ! Component: 100 - total flux cleaned = 0.0145281 Jy ! Component: 150 - total flux cleaned = 0.0156348 Jy ! Component: 200 - total flux cleaned = 0.0160696 Jy ! Total flux subtracted in 200 components = 0.0160696 Jy ! Clean residual min=-0.000802 max=0.000728 Jy/beam ! Clean residual mean=0.000000 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.0160696 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 0.0160696 Jy ! Inverting map and beam ! Estimated beam: bmin=1.871 mas, bmaj=4.392 mas, bpa=8.531 degrees ! Estimated noise=0.160204 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) ! Added new window around map position (-60.3, 67.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000324868 Jy ! Component: 100 - total flux cleaned = 0.000437745 Jy ! Component: 150 - total flux cleaned = 0.000532386 Jy ! Component: 200 - total flux cleaned = 0.000604956 Jy ! Total flux subtracted in 200 components = 0.000604956 Jy ! Clean residual min=-0.000460 max=0.000443 Jy/beam ! Clean residual mean=0.000000 rms=0.000109 Jy/beam ! Combined flux in latest and established models = 0.0166746 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 33 components and 0.0166746 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=3.787 mas, bmaj=6.234 mas, bpa=-0.1086 degrees ! Estimated noise=0.190395 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000285918 Jy ! Component: 100 - total flux cleaned = 0.000353651 Jy ! Component: 150 - total flux cleaned = 0.000358662 Jy ! Component: 200 - total flux cleaned = 0.000358881 Jy ! Total flux subtracted in 200 components = 0.000358881 Jy ! Clean residual min=-0.000554 max=0.000538 Jy/beam ! Clean residual mean=0.000001 rms=0.000143 Jy/beam ! Combined flux in latest and established models = 0.0170334 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 = 7.75291e-06 Jy ! Component: 100 - total flux cleaned = 2.09469e-05 Jy ! Component: 150 - total flux cleaned = 2.99015e-05 Jy ! Component: 200 - total flux cleaned = 4.06927e-05 Jy ! Total flux subtracted in 200 components = 4.06927e-05 Jy ! Clean residual min=-0.000546 max=0.000540 Jy/beam ! Clean residual mean=0.000001 rms=0.000142 Jy/beam ! Combined flux in latest and established models = 0.0170741 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 55 components and 0.0170741 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.871 mas, bmaj=4.392 mas, bpa=8.531 degrees ! Estimated noise=0.160204 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000133389 Jy ! Component: 100 - total flux cleaned = -0.000154459 Jy ! Component: 150 - total flux cleaned = -0.000148521 Jy ! Component: 200 - total flux cleaned = -0.000132208 Jy ! Total flux subtracted in 200 components = -0.000132208 Jy ! Clean residual min=-0.000442 max=0.000437 Jy/beam ! Clean residual mean=0.000000 rms=0.000107 Jy/beam ! Combined flux in latest and established models = 0.0169419 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 67 components and 0.0169419 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=0.018370Jy sigma=0.649827 ! Fit after self-cal, rms=0.018364Jy sigma=0.649679 wmodel J1956+0234_C_map.mod ! Writing 67 model components to file: J1956+0234_C_map.mod wobs J1956+0234_C_uvs.fits ! Writing UV FITS file: J1956+0234_C_uvs.fits wwins J1956+0234_C_map.win ! wwins: Wrote 2 windows to J1956+0234_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 = -9.05632e-05 Jy ! Component: 100 - total flux cleaned = -0.000134585 Jy ! Component: 150 - total flux cleaned = -0.000134689 Jy ! Component: 200 - total flux cleaned = -0.000134866 Jy ! Component: 250 - total flux cleaned = -0.000128461 Jy ! Component: 300 - total flux cleaned = -0.00012846 Jy ! Component: 350 - total flux cleaned = -0.000116404 Jy ! Component: 400 - total flux cleaned = -0.000110533 Jy ! Component: 450 - total flux cleaned = -0.000116388 Jy ! Component: 500 - total flux cleaned = -0.000110734 Jy ! Component: 550 - total flux cleaned = -9.9721e-05 Jy ! Component: 600 - total flux cleaned = -7.81072e-05 Jy ! Component: 650 - total flux cleaned = -6.74307e-05 Jy ! Component: 700 - total flux cleaned = -4.12572e-05 Jy ! Component: 750 - total flux cleaned = -1.05717e-05 Jy ! Component: 800 - total flux cleaned = 1.46209e-05 Jy ! Component: 850 - total flux cleaned = 3.94353e-05 Jy ! Component: 900 - total flux cleaned = 5.90164e-05 Jy ! Component: 950 - total flux cleaned = 8.31419e-05 Jy ! Component: 1000 - total flux cleaned = 0.000106915 Jy ! Component: 1050 - total flux cleaned = 0.000125713 Jy ! Component: 1100 - total flux cleaned = 0.000134989 Jy ! Component: 1150 - total flux cleaned = 0.00013951 Jy ! Component: 1200 - total flux cleaned = 0.000166848 Jy ! Component: 1250 - total flux cleaned = 0.0001668 Jy ! Component: 1300 - total flux cleaned = 0.000180301 Jy ! Component: 1350 - total flux cleaned = 0.000197947 Jy ! Component: 1400 - total flux cleaned = 0.000202263 Jy ! Component: 1450 - total flux cleaned = 0.00020223 Jy ! Component: 1500 - total flux cleaned = 0.000202223 Jy ! Component: 1550 - total flux cleaned = 0.000210751 Jy ! Component: 1600 - total flux cleaned = 0.000231754 Jy ! Component: 1650 - total flux cleaned = 0.00021926 Jy ! Component: 1700 - total flux cleaned = 0.000223331 Jy ! Component: 1750 - total flux cleaned = 0.000219228 Jy ! Component: 1800 - total flux cleaned = 0.000211099 Jy ! Component: 1850 - total flux cleaned = 0.000203024 Jy ! Component: 1900 - total flux cleaned = 0.000210957 Jy ! Component: 1950 - total flux cleaned = 0.000199186 Jy ! Component: 2000 - total flux cleaned = 0.000207058 Jy ! Component: 2050 - total flux cleaned = 0.000191506 Jy ! Component: 2100 - total flux cleaned = 0.000187667 Jy ! Component: 2150 - total flux cleaned = 0.000195296 Jy ! Component: 2200 - total flux cleaned = 0.000183915 Jy ! Component: 2250 - total flux cleaned = 0.000161303 Jy ! Component: 2300 - total flux cleaned = 0.000146375 Jy ! Component: 2350 - total flux cleaned = 0.000135281 Jy ! Component: 2400 - total flux cleaned = 0.000124256 Jy ! Component: 2450 - total flux cleaned = 0.000131564 Jy ! Component: 2500 - total flux cleaned = 0.00011703 Jy ! Component: 2550 - total flux cleaned = 9.89977e-05 Jy ! Component: 2600 - total flux cleaned = 8.82705e-05 Jy ! Component: 2650 - total flux cleaned = 8.46916e-05 Jy ! Component: 2700 - total flux cleaned = 8.1148e-05 Jy ! Component: 2750 - total flux cleaned = 6.36179e-05 Jy ! Component: 2800 - total flux cleaned = 5.3171e-05 Jy ! Component: 2850 - total flux cleaned = 6.0086e-05 Jy ! Component: 2900 - total flux cleaned = 4.2909e-05 Jy ! Component: 2950 - total flux cleaned = 4.28895e-05 Jy ! Component: 3000 - total flux cleaned = 2.9307e-05 Jy ! Component: 3050 - total flux cleaned = 3.26956e-05 Jy ! Component: 3100 - total flux cleaned = 2.93439e-05 Jy ! Component: 3150 - total flux cleaned = 1.26495e-05 Jy ! Component: 3200 - total flux cleaned = 9.3243e-06 Jy ! Component: 3250 - total flux cleaned = -5.74108e-07 Jy ! Component: 3300 - total flux cleaned = -1.36448e-05 Jy ! Component: 3350 - total flux cleaned = -3.88903e-06 Jy ! Component: 3400 - total flux cleaned = -1.36121e-05 Jy ! Component: 3450 - total flux cleaned = -1.03989e-05 Jy ! Component: 3500 - total flux cleaned = -2.95903e-05 Jy ! Component: 3550 - total flux cleaned = -2.31778e-05 Jy ! Component: 3600 - total flux cleaned = -3.90084e-05 Jy ! Component: 3650 - total flux cleaned = -3.27519e-05 Jy ! Component: 3700 - total flux cleaned = -2.02461e-05 Jy ! Component: 3750 - total flux cleaned = -3.58171e-05 Jy ! Component: 3800 - total flux cleaned = -2.65536e-05 Jy ! Component: 3850 - total flux cleaned = -3.88435e-05 Jy ! Component: 3900 - total flux cleaned = -2.66309e-05 Jy ! Component: 3950 - total flux cleaned = -4.79629e-05 Jy ! Component: 4000 - total flux cleaned = -5.09943e-05 Jy ! Component: 4050 - total flux cleaned = -5.40242e-05 Jy ! Total flux subtracted in 4096 components = -6.90058e-05 Jy ! Clean residual min=-0.000164 max=0.000150 Jy/beam ! Clean residual mean=-0.000000 rms=0.000056 Jy/beam ! Combined flux in latest and established models = 0.0168729 Jy keep ! Adding 309 model components to the UV plane model. ! The established model now contains 376 components and 0.0168729 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1956+0234_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.871 x 4.392 at 8.531 degrees (North through East) ! Clean map min=-0.00037377 max=0.015079 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1956+0234_C_map.fits wmodel /vlbi/sb072/temp_maps//J1956+0234_C_map.mod ! Writing 376 model components to file: /vlbi/sb072/temp_maps//J1956+0234_C_map.mod wobs /vlbi/sb072/temp_maps//J1956+0234_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1956+0234_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1956+0234_C_map.win ! wwins: Wrote 3 windows to /vlbi/sb072/temp_maps//J1956+0234_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0150791 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.54534e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.10325 1.10325 2.20649 4.41298 8.82597 17.6519 35.3039 70.6078 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.015 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 271.924 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1956+0234_C_dfm.log closed on Tue Mar 5 23:32:14 2019