! Started logfile: /vlbi/sb072/temp_maps//J1718-3056_C_dfm.log on Tue Mar 5 23:21:45 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//J1718-3056_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1718-3056_C_uvm.fits ! AN table 1: 19 integrations on 21 of 21 possible baselines. ! AN table 2: 19 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1718-3056 ! ! 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 7448 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 J1718-3056_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=1.000939Jy sigma=30.498545 ! Fit after self-cal, rms=0.972051Jy sigma=29.547745 ! 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=1.492 mas, bmaj=6.049 mas, bpa=22.77 degrees ! Estimated noise=0.567452 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 = 0.0169492 Jy ! Component: 100 - total flux cleaned = 0.024304 Jy ! Total flux subtracted in 100 components = 0.024304 Jy ! Clean residual min=-0.002680 max=0.003793 Jy/beam ! Clean residual mean=-0.000086 rms=0.000895 Jy/beam ! Combined flux in latest and established models = 0.024304 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 24 components and 0.024304 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=0.032547Jy sigma=0.985108 ! Fit after self-cal, rms=0.031030Jy sigma=0.943270 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00578763 Jy ! Component: 100 - total flux cleaned = 0.00933879 Jy ! Total flux subtracted in 100 components = 0.00933879 Jy ! Clean residual min=-0.002697 max=0.003842 Jy/beam ! Clean residual mean=-0.000070 rms=0.000786 Jy/beam ! Combined flux in latest and established models = 0.0336427 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 59 components and 0.0336427 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=0.028797Jy sigma=0.858704 ! Fit after self-cal, rms=0.028784Jy sigma=0.857859 ! 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=2.144 mas, bmaj=7.564 mas, bpa=19.35 degrees ! Estimated noise=0.273912 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 = 0.00701623 Jy ! Component: 100 - total flux cleaned = 0.0111179 Jy ! Component: 150 - total flux cleaned = 0.0136274 Jy ! Component: 200 - total flux cleaned = 0.0151751 Jy ! Total flux subtracted in 200 components = 0.0151751 Jy ! Clean residual min=-0.003184 max=0.008752 Jy/beam ! Clean residual mean=-0.000069 rms=0.001297 Jy/beam ! Combined flux in latest and established models = 0.0488178 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 84 components and 0.0488178 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=0.027269Jy sigma=0.792231 ! Fit after self-cal, rms=0.027227Jy sigma=0.790062 ! Inverting map ! Added new window around map position (8.1, 3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00799478 Jy ! Component: 100 - total flux cleaned = 0.012013 Jy ! Component: 150 - total flux cleaned = 0.0146347 Jy ! Component: 200 - total flux cleaned = 0.0165364 Jy ! Total flux subtracted in 200 components = 0.0165364 Jy ! Clean residual min=-0.002149 max=0.003385 Jy/beam ! Clean residual mean=-0.000057 rms=0.000679 Jy/beam ! Combined flux in latest and established models = 0.0653542 Jy ! Performing phase self-cal ! Adding 97 model components to the UV plane model. ! The established model now contains 180 components and 0.0653542 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=0.024957Jy sigma=0.708735 ! Fit after self-cal, rms=0.024643Jy sigma=0.698173 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.144 x 7.564 at 19.35 degrees (North through East) ! Clean map min=-0.0018514 max=0.02628 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 KP 1.05 LA 1.14 NL 1.16 ! OV 0.99 PT 0.89 SC 0.78 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 0.96 KP 1.02 LA 0.96 ! NL 1.11 OV 0.99 PT 0.86 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 KP 1.04 LA 1.10 NL 1.07 ! OV 0.91 PT 0.98 SC 0.84 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.87 KP 0.97 LA 0.96 ! NL 1.27 OV 0.98 PT 0.89 SC 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 KP 1.05 LA 1.11 NL 1.32 ! OV 1.05 PT 0.94 SC 0.83 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.89 KP 1.03 LA 0.94 ! NL 1.21 OV 1.01 PT 0.90 SC 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.98 LA 1.09 NL 1.14 ! OV 0.98 PT 1.03 SC 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.89 KP 1.06 LA 0.94 ! NL 1.04 OV 1.05 PT 0.90 SC 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 KP 1.06 LA 1.14 NL 1.17 ! OV 1.08 PT 0.98 SC 0.77 ! ! Telescope amplitude corrections in sub-array 2: ! BR 2.52 FD 0.91 KP 1.01 LA 0.90 ! NL 1.24 OV 1.02 PT 0.91 SC 1.15 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 KP 1.13 LA 1.12 NL 1.15 ! OV 1.00 PT 0.94 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.92 KP 1.06 LA 0.89 ! NL 1.37 OV 1.00 PT 0.86 SC 1.64 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 KP 1.01 LA 1.15 NL 0.97 ! OV 1.16 PT 1.02 SC 0.92 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.89 KP 1.02 LA 0.94 ! NL 1.56 OV 1.01 PT 0.93 SC 1.38 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 KP 1.00 LA 1.20 NL 1.09 ! OV 1.24 PT 1.00 SC 1.11 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.90 KP 1.03 LA 0.95 ! NL 1.62 OV 1.05 PT 0.84 SC 1.42 ! ! ! Fit before self-cal, rms=0.024643Jy sigma=0.698173 ! Fit after self-cal, rms=0.028606Jy sigma=0.676651 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.167 mas, bmaj=7.823 mas, bpa=18.6 degrees ! Estimated noise=0.278211 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 = 0.00157918 Jy ! Component: 100 - total flux cleaned = 0.00209259 Jy ! Component: 150 - total flux cleaned = 0.00240983 Jy ! Component: 200 - total flux cleaned = 0.00253527 Jy ! Total flux subtracted in 200 components = 0.00253527 Jy ! Clean residual min=-0.001222 max=0.001736 Jy/beam ! Clean residual mean=0.000006 rms=0.000396 Jy/beam ! Combined flux in latest and established models = 0.0678895 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 211 components and 0.0678895 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=0.028476Jy sigma=0.672255 ! Fit after self-cal, rms=0.028531Jy sigma=0.671179 ! 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=0.028531Jy sigma=0.671179 ! Fit after self-cal, rms=0.028491Jy sigma=0.670799 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.16 mas, bmaj=7.813 mas, bpa=18.7 degrees ! Estimated noise=0.276536 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000697989 Jy ! Component: 100 - total flux cleaned = 0.000954449 Jy ! Component: 150 - total flux cleaned = 0.0010991 Jy ! Component: 200 - total flux cleaned = 0.001235 Jy ! Total flux subtracted in 200 components = 0.001235 Jy ! Clean residual min=-0.001167 max=0.001623 Jy/beam ! Clean residual mean=0.000003 rms=0.000361 Jy/beam ! Combined flux in latest and established models = 0.0691245 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 232 components and 0.0691245 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=0.028450Jy sigma=0.669388 ! Fit after self-cal, rms=0.028442Jy sigma=0.669175 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 (4.5, 36.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00155514 Jy ! Component: 100 - total flux cleaned = 0.00242106 Jy ! Component: 150 - total flux cleaned = 0.00299022 Jy ! Component: 200 - total flux cleaned = 0.0032546 Jy ! Total flux subtracted in 200 components = 0.0032546 Jy ! Clean residual min=-0.001035 max=0.001073 Jy/beam ! Clean residual mean=0.000014 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.0723791 Jy ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 280 components and 0.0723791 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=0.028350Jy sigma=0.665244 ! Fit after self-cal, rms=0.028327Jy sigma=0.664856 ! 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=0.028327Jy sigma=0.664856 ! Fit after self-cal, rms=0.028398Jy sigma=0.664346 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.163 mas, bmaj=7.838 mas, bpa=18.67 degrees ! Estimated noise=0.274862 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000734981 Jy ! Component: 100 - total flux cleaned = 0.00123332 Jy ! Component: 150 - total flux cleaned = 0.00141621 Jy ! Component: 200 - total flux cleaned = 0.00150602 Jy ! Total flux subtracted in 200 components = 0.00150602 Jy ! Clean residual min=-0.000988 max=0.000921 Jy/beam ! Clean residual mean=0.000008 rms=0.000262 Jy/beam ! Combined flux in latest and established models = 0.0738851 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 305 components and 0.0738851 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=0.028368Jy sigma=0.663300 ! Fit after self-cal, rms=0.028363Jy sigma=0.663206 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 = 0.0003022 Jy ! Component: 100 - total flux cleaned = 0.000387321 Jy ! Component: 150 - total flux cleaned = 0.000440011 Jy ! Component: 200 - total flux cleaned = 0.000489743 Jy ! Total flux subtracted in 200 components = 0.000489743 Jy ! Clean residual min=-0.000964 max=0.000919 Jy/beam ! Clean residual mean=0.000010 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.0743748 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 316 components and 0.0743749 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=0.028348Jy sigma=0.662791 ! Fit after self-cal, rms=0.028344Jy sigma=0.662770 ! 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=0.028344Jy sigma=0.662770 ! Fit after self-cal, rms=0.028391Jy sigma=0.662632 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.598 mas, bmaj=12.63 mas, bpa=9.185 degrees ! Estimated noise=0.310484 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000473592 Jy ! Component: 100 - total flux cleaned = 0.000586904 Jy ! Component: 150 - total flux cleaned = 0.000625117 Jy ! Component: 200 - total flux cleaned = 0.000673003 Jy ! Total flux subtracted in 200 components = 0.000673003 Jy ! Clean residual min=-0.001043 max=0.000950 Jy/beam ! Clean residual mean=0.000008 rms=0.000309 Jy/beam ! Combined flux in latest and established models = 0.0750479 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 332 components and 0.0750479 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=0.028385Jy sigma=0.662369 ! Fit after self-cal, rms=0.028385Jy sigma=0.662321 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 = 0.000106174 Jy ! Component: 100 - total flux cleaned = 0.00016244 Jy ! Component: 150 - total flux cleaned = 0.000183739 Jy ! Component: 200 - total flux cleaned = 0.000224187 Jy ! Total flux subtracted in 200 components = 0.000224187 Jy ! Clean residual min=-0.001011 max=0.000962 Jy/beam ! Clean residual mean=0.000009 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.0752721 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 344 components and 0.0752721 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=0.028382Jy sigma=0.662227 ! Fit after self-cal, rms=0.028383Jy sigma=0.662212 ! 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=2.168 mas, bmaj=7.848 mas, bpa=18.61 degrees ! Estimated noise=0.274588 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.168 x 7.848 at 18.61 degrees (North through East) ! Clean map min=-0.00093163 max=0.026412 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=1.516 mas, bmaj=6.15 mas, bpa=21.84 degrees ! Estimated noise=0.580854 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0184806 Jy ! Component: 100 - total flux cleaned = 0.0260616 Jy ! Component: 150 - total flux cleaned = 0.0314718 Jy ! Component: 200 - total flux cleaned = 0.0358892 Jy ! Total flux subtracted in 200 components = 0.0358892 Jy ! Clean residual min=-0.002308 max=0.002687 Jy/beam ! Clean residual mean=-0.000053 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.0358892 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 78 model components to the UV plane model. ! The established model now contains 78 components and 0.0358892 Jy ! Inverting map and beam ! Estimated beam: bmin=2.168 mas, bmaj=7.848 mas, bpa=18.61 degrees ! Estimated noise=0.274588 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 = 0.00850989 Jy ! Component: 100 - total flux cleaned = 0.0144034 Jy ! Component: 150 - total flux cleaned = 0.0187015 Jy ! Component: 200 - total flux cleaned = 0.0218869 Jy ! Total flux subtracted in 200 components = 0.0218869 Jy ! Clean residual min=-0.001890 max=0.002103 Jy/beam ! Clean residual mean=-0.000031 rms=0.000625 Jy/beam ! Combined flux in latest and established models = 0.0577761 Jy ! Adding 112 model components to the UV plane model. ! The established model now contains 180 components and 0.0577761 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=4.598 mas, bmaj=12.63 mas, bpa=9.185 degrees ! Estimated noise=0.310484 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00348311 Jy ! Component: 100 - total flux cleaned = 0.0060562 Jy ! Component: 150 - total flux cleaned = 0.00804052 Jy ! Component: 200 - total flux cleaned = 0.00963211 Jy ! Total flux subtracted in 200 components = 0.00963211 Jy ! Clean residual min=-0.001625 max=0.001545 Jy/beam ! Clean residual mean=-0.000020 rms=0.000478 Jy/beam ! Combined flux in latest and established models = 0.0674082 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 = 0.00129688 Jy ! Component: 100 - total flux cleaned = 0.00236468 Jy ! Component: 150 - total flux cleaned = 0.0032507 Jy ! Component: 200 - total flux cleaned = 0.00398934 Jy ! Total flux subtracted in 200 components = 0.00398934 Jy ! Clean residual min=-0.001286 max=0.001166 Jy/beam ! Clean residual mean=-0.000007 rms=0.000349 Jy/beam ! Combined flux in latest and established models = 0.0713975 Jy ! Adding 170 model components to the UV plane model. ! The established model now contains 336 components and 0.0713975 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.168 mas, bmaj=7.848 mas, bpa=18.61 degrees ! Estimated noise=0.274588 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000627532 Jy ! Component: 100 - total flux cleaned = 0.00112014 Jy ! Component: 150 - total flux cleaned = 0.0015192 Jy ! Component: 200 - total flux cleaned = 0.00176569 Jy ! Total flux subtracted in 200 components = 0.00176569 Jy ! Clean residual min=-0.001027 max=0.000887 Jy/beam ! Clean residual mean=0.000000 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.0731632 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 359 components and 0.0731632 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=0.028391Jy sigma=0.662108 ! Fit after self-cal, rms=0.028347Jy sigma=0.661586 wmodel J1718-3056_C_map.mod ! Writing 359 model components to file: J1718-3056_C_map.mod wobs J1718-3056_C_uvs.fits ! Writing UV FITS file: J1718-3056_C_uvs.fits wwins J1718-3056_C_map.win ! wwins: Wrote 3 windows to J1718-3056_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 = -0.000186001 Jy ! Component: 100 - total flux cleaned = -0.000268517 Jy ! Component: 150 - total flux cleaned = -0.000399222 Jy ! Component: 200 - total flux cleaned = -0.000498196 Jy ! Component: 250 - total flux cleaned = -0.000580443 Jy ! Component: 300 - total flux cleaned = -0.000603695 Jy ! Component: 350 - total flux cleaned = -0.000625616 Jy ! Component: 400 - total flux cleaned = -0.000604543 Jy ! Component: 450 - total flux cleaned = -0.000594359 Jy ! Component: 500 - total flux cleaned = -0.000555256 Jy ! Component: 550 - total flux cleaned = -0.000574649 Jy ! Component: 600 - total flux cleaned = -0.000537449 Jy ! Component: 650 - total flux cleaned = -0.000565173 Jy ! Component: 700 - total flux cleaned = -0.00056508 Jy ! Component: 750 - total flux cleaned = -0.000547474 Jy ! Component: 800 - total flux cleaned = -0.000521709 Jy ! Component: 850 - total flux cleaned = -0.000513382 Jy ! Component: 900 - total flux cleaned = -0.00049703 Jy ! Component: 950 - total flux cleaned = -0.000505231 Jy ! Component: 1000 - total flux cleaned = -0.000489414 Jy ! Component: 1050 - total flux cleaned = -0.000497288 Jy ! Component: 1100 - total flux cleaned = -0.000497147 Jy ! Component: 1150 - total flux cleaned = -0.000527315 Jy ! Component: 1200 - total flux cleaned = -0.000542076 Jy ! Component: 1250 - total flux cleaned = -0.00054932 Jy ! Component: 1300 - total flux cleaned = -0.000556507 Jy ! Component: 1350 - total flux cleaned = -0.000570755 Jy ! Component: 1400 - total flux cleaned = -0.000605629 Jy ! Component: 1450 - total flux cleaned = -0.00060572 Jy ! Component: 1500 - total flux cleaned = -0.000632785 Jy ! Component: 1550 - total flux cleaned = -0.000652763 Jy ! Component: 1600 - total flux cleaned = -0.000672447 Jy ! Component: 1650 - total flux cleaned = -0.000679011 Jy ! Component: 1700 - total flux cleaned = -0.000685423 Jy ! Component: 1750 - total flux cleaned = -0.000691873 Jy ! Component: 1800 - total flux cleaned = -0.0006981 Jy ! Component: 1850 - total flux cleaned = -0.000673416 Jy ! Component: 1900 - total flux cleaned = -0.00066747 Jy ! Component: 1950 - total flux cleaned = -0.00066154 Jy ! Component: 2000 - total flux cleaned = -0.000649659 Jy ! Component: 2050 - total flux cleaned = -0.000626129 Jy ! Component: 2100 - total flux cleaned = -0.000614622 Jy ! Component: 2150 - total flux cleaned = -0.000591606 Jy ! Component: 2200 - total flux cleaned = -0.00055172 Jy ! Component: 2250 - total flux cleaned = -0.000557315 Jy ! Component: 2300 - total flux cleaned = -0.000529295 Jy ! Component: 2350 - total flux cleaned = -0.00050716 Jy ! Component: 2400 - total flux cleaned = -0.000507168 Jy ! Component: 2450 - total flux cleaned = -0.000474475 Jy ! Component: 2500 - total flux cleaned = -0.000447527 Jy ! Component: 2550 - total flux cleaned = -0.00043151 Jy ! Component: 2600 - total flux cleaned = -0.000415633 Jy ! Component: 2650 - total flux cleaned = -0.000399877 Jy ! Component: 2700 - total flux cleaned = -0.000368582 Jy ! Component: 2750 - total flux cleaned = -0.000368597 Jy ! Component: 2800 - total flux cleaned = -0.000348045 Jy ! Component: 2850 - total flux cleaned = -0.00031246 Jy ! Component: 2900 - total flux cleaned = -0.000282287 Jy ! Component: 2950 - total flux cleaned = -0.000267329 Jy ! Component: 3000 - total flux cleaned = -0.000252523 Jy ! Component: 3050 - total flux cleaned = -0.00023779 Jy ! Component: 3100 - total flux cleaned = -0.000213461 Jy ! Component: 3150 - total flux cleaned = -0.000169943 Jy ! Component: 3200 - total flux cleaned = -0.000174737 Jy ! Component: 3250 - total flux cleaned = -0.000136675 Jy ! Component: 3300 - total flux cleaned = -0.000113114 Jy ! Component: 3350 - total flux cleaned = -0.000108396 Jy ! Component: 3400 - total flux cleaned = -7.11436e-05 Jy ! Component: 3450 - total flux cleaned = -5.26439e-05 Jy ! Component: 3500 - total flux cleaned = -5.26177e-05 Jy ! Component: 3550 - total flux cleaned = -2.06448e-05 Jy ! Component: 3600 - total flux cleaned = -2.06614e-05 Jy ! Component: 3650 - total flux cleaned = -7.11142e-06 Jy ! Component: 3700 - total flux cleaned = -2.5963e-06 Jy ! Component: 3750 - total flux cleaned = 1.07799e-05 Jy ! Component: 3800 - total flux cleaned = 3.73821e-05 Jy ! Component: 3850 - total flux cleaned = 4.18067e-05 Jy ! Component: 3900 - total flux cleaned = 5.49317e-05 Jy ! Component: 3950 - total flux cleaned = 5.92936e-05 Jy ! Component: 4000 - total flux cleaned = 7.23257e-05 Jy ! Component: 4050 - total flux cleaned = 8.09654e-05 Jy ! Total flux subtracted in 4096 components = 8.95481e-05 Jy ! Clean residual min=-0.000243 max=0.000241 Jy/beam ! Clean residual mean=-0.000000 rms=0.000082 Jy/beam ! Combined flux in latest and established models = 0.0732527 Jy keep ! Adding 298 model components to the UV plane model. ! The established model now contains 657 components and 0.0732527 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1718-3056_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.168 x 7.848 at 18.61 degrees (North through East) ! Clean map min=-0.00075687 max=0.028441 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1718-3056_C_map.fits wmodel /vlbi/sb072/temp_maps//J1718-3056_C_map.mod ! Writing 657 model components to file: /vlbi/sb072/temp_maps//J1718-3056_C_map.mod wobs /vlbi/sb072/temp_maps//J1718-3056_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1718-3056_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1718-3056_C_map.win ! wwins: Wrote 4 windows to /vlbi/sb072/temp_maps//J1718-3056_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0284409 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 8.13559e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.858158 0.858158 1.71632 3.43263 6.86527 13.7305 27.4611 54.9221 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.028 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 349.585 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1718-3056_C_dfm.log closed on Tue Mar 5 23:21:50 2019