! Started logfile: /vlbi/sb072/temp_maps//J1750+2020_C_dfm.log on Tue Mar 5 23:25:49 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//J1750+2020_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1750+2020_C_uva.fits ! AN table 1: 4 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1750+2020 ! ! 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 1152 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 J1750+2020_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=1.000639Jy sigma=42.413217 ! Fit after self-cal, rms=0.920853Jy sigma=39.017013 ! 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=1.664 mas, bmaj=4.059 mas, bpa=16 degrees ! Estimated noise=0.677295 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 = 0.0574607 Jy ! Component: 100 - total flux cleaned = 0.0813072 Jy ! Total flux subtracted in 100 components = 0.0813072 Jy ! Clean residual min=-0.010934 max=0.035562 Jy/beam ! Clean residual mean=-0.000011 rms=0.003685 Jy/beam ! Combined flux in latest and established models = 0.0813072 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0813072 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=0.057706Jy sigma=2.453650 ! Fit after self-cal, rms=0.056893Jy sigma=2.424405 ! Inverting map ! Added new window around map position (1.2, 6.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.030848 Jy ! Component: 100 - total flux cleaned = 0.0446017 Jy ! Total flux subtracted in 100 components = 0.0446017 Jy ! Clean residual min=-0.007154 max=0.013254 Jy/beam ! Clean residual mean=-0.000007 rms=0.002078 Jy/beam ! Combined flux in latest and established models = 0.125909 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 18 components and 0.125909 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=0.035795Jy sigma=1.522879 ! Fit after self-cal, rms=0.031986Jy sigma=1.343284 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0121535 Jy ! Component: 100 - total flux cleaned = 0.0190662 Jy ! Total flux subtracted in 100 components = 0.0190662 Jy ! Clean residual min=-0.005001 max=0.006123 Jy/beam ! Clean residual mean=-0.000005 rms=0.001260 Jy/beam ! Combined flux in latest and established models = 0.144975 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 39 components and 0.144975 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=0.025378Jy sigma=1.046034 ! Fit after self-cal, rms=0.024957Jy sigma=1.025198 ! 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=1.961 mas, bmaj=4.548 mas, bpa=14.59 degrees ! Estimated noise=0.503257 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 = 0.00883696 Jy ! Component: 100 - total flux cleaned = 0.0149256 Jy ! Component: 150 - total flux cleaned = 0.0193535 Jy ! Component: 200 - total flux cleaned = 0.0226253 Jy ! Total flux subtracted in 200 components = 0.0226253 Jy ! Clean residual min=-0.004129 max=0.005557 Jy/beam ! Clean residual mean=-0.000003 rms=0.001127 Jy/beam ! Combined flux in latest and established models = 0.1676 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 75 components and 0.1676 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=0.020854Jy sigma=0.828022 ! Fit after self-cal, rms=0.020681Jy sigma=0.820424 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.961 x 4.548 at 14.59 degrees (North through East) ! Clean map min=-0.0038725 max=0.075365 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.93 HN 0.92 KP 0.93 ! LA 1.00 NL 1.15 OV 1.02 PT 0.91 ! SC 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.93 HN 0.93 KP 0.92 ! LA 1.02 NL 1.18 OV 1.03 PT 0.91 ! SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.92 HN 0.99 KP 0.91 ! LA 1.00 NL 1.17 OV 1.01 PT 0.90 ! SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.92 HN 0.96 KP 0.91 ! LA 1.01 NL 1.19 OV 1.03 PT 0.88 ! SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 0.97 HN 1.03 KP 0.94 ! LA 1.05 NL 1.15 OV 0.99 PT 0.94 ! SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.95 HN 1.02 KP 0.94 ! LA 1.08 NL 1.19 OV 1.06 PT 0.93 ! SC 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.96 HN 1.05 KP 0.98 ! LA 1.05 NL 1.27 OV 1.01 PT 0.96 ! SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 1.03 KP 0.98 ! LA 1.06 NL 1.18 OV 1.05 PT 0.93 ! SC 0.93 ! ! ! Fit before self-cal, rms=0.020681Jy sigma=0.820424 ! Fit after self-cal, rms=0.017990Jy sigma=0.678720 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.939 mas, bmaj=4.571 mas, bpa=14.64 degrees ! Estimated noise=0.50335 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 (2.7, -3.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00136803 Jy ! Component: 100 - total flux cleaned = 0.00115867 Jy ! Component: 150 - total flux cleaned = 0.000922785 Jy ! Component: 200 - total flux cleaned = 0.000723419 Jy ! Total flux subtracted in 200 components = 0.000723419 Jy ! Clean residual min=-0.001852 max=0.001748 Jy/beam ! Clean residual mean=-0.000001 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.168324 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 95 components and 0.168324 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=0.017443Jy sigma=0.658255 ! Fit after self-cal, rms=0.017434Jy sigma=0.657771 ! 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=0.017434Jy sigma=0.657771 ! Fit after self-cal, rms=0.017443Jy sigma=0.657104 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.939 mas, bmaj=4.567 mas, bpa=14.62 degrees ! Estimated noise=0.503423 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.29988e-05 Jy ! Component: 100 - total flux cleaned = -6.47237e-05 Jy ! Component: 150 - total flux cleaned = -0.000239271 Jy ! Component: 200 - total flux cleaned = -0.000332667 Jy ! Total flux subtracted in 200 components = -0.000332667 Jy ! Clean residual min=-0.001623 max=0.001595 Jy/beam ! Clean residual mean=-0.000001 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.167991 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 105 components and 0.167991 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=0.017276Jy sigma=0.651076 ! Fit after self-cal, rms=0.017268Jy sigma=0.650955 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 = 3.61263e-05 Jy ! Component: 100 - total flux cleaned = -1.77107e-05 Jy ! Component: 150 - total flux cleaned = -6.50028e-05 Jy ! Component: 200 - total flux cleaned = -4.29483e-05 Jy ! Total flux subtracted in 200 components = -4.29483e-05 Jy ! Clean residual min=-0.001610 max=0.001546 Jy/beam ! Clean residual mean=-0.000001 rms=0.000395 Jy/beam ! Combined flux in latest and established models = 0.167948 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 120 components and 0.167948 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=0.017196Jy sigma=0.648369 ! Fit after self-cal, rms=0.017190Jy sigma=0.648284 ! 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=0.017190Jy sigma=0.648284 ! Fit after self-cal, rms=0.017217Jy sigma=0.648009 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.939 mas, bmaj=4.568 mas, bpa=14.63 degrees ! Estimated noise=0.50345 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.68368e-05 Jy ! Component: 100 - total flux cleaned = -8.97319e-05 Jy ! Component: 150 - total flux cleaned = -0.000128523 Jy ! Component: 200 - total flux cleaned = -0.000199439 Jy ! Total flux subtracted in 200 components = -0.000199439 Jy ! Clean residual min=-0.001551 max=0.001487 Jy/beam ! Clean residual mean=-0.000001 rms=0.000386 Jy/beam ! Combined flux in latest and established models = 0.167749 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 126 components and 0.167749 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=0.017167Jy sigma=0.646262 ! Fit after self-cal, rms=0.017164Jy sigma=0.646209 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 = 4.3798e-05 Jy ! Component: 100 - total flux cleaned = 4.39646e-05 Jy ! Component: 150 - total flux cleaned = 4.37889e-05 Jy ! Component: 200 - total flux cleaned = 4.37905e-05 Jy ! Total flux subtracted in 200 components = 4.37905e-05 Jy ! Clean residual min=-0.001523 max=0.001471 Jy/beam ! Clean residual mean=-0.000001 rms=0.000381 Jy/beam ! Combined flux in latest and established models = 0.167793 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 132 components and 0.167793 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=0.017135Jy sigma=0.645106 ! Fit after self-cal, rms=0.017133Jy sigma=0.645081 ! 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=0.017133Jy sigma=0.645081 ! Fit after self-cal, rms=0.017149Jy sigma=0.644986 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.96 mas, bmaj=5.554 mas, bpa=5.7 degrees ! Estimated noise=0.597677 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000201704 Jy ! Component: 100 - total flux cleaned = 0.000257347 Jy ! Component: 150 - total flux cleaned = 0.000243869 Jy ! Component: 200 - total flux cleaned = 0.000216355 Jy ! Total flux subtracted in 200 components = 0.000216355 Jy ! Clean residual min=-0.001895 max=0.001725 Jy/beam ! Clean residual mean=-0.000001 rms=0.000430 Jy/beam ! Combined flux in latest and established models = 0.168009 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 153 components and 0.168009 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=0.017138Jy sigma=0.644521 ! Fit after self-cal, rms=0.017132Jy sigma=0.644383 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 = -3.26647e-05 Jy ! Component: 100 - total flux cleaned = -4.65215e-05 Jy ! Component: 150 - total flux cleaned = -3.42248e-05 Jy ! Component: 200 - total flux cleaned = -5.80035e-05 Jy ! Total flux subtracted in 200 components = -5.80035e-05 Jy ! Clean residual min=-0.001872 max=0.001685 Jy/beam ! Clean residual mean=-0.000001 rms=0.000424 Jy/beam ! Combined flux in latest and established models = 0.167951 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 166 components and 0.167951 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=0.017126Jy sigma=0.644296 ! Fit after self-cal, rms=0.017123Jy sigma=0.644216 ! 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=1.939 mas, bmaj=4.569 mas, bpa=14.63 degrees ! Estimated noise=0.503544 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.939 x 4.569 at 14.63 degrees (North through East) ! Clean map min=-0.0019675 max=0.073652 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=1.645 mas, bmaj=4.055 mas, bpa=15.86 degrees ! Estimated noise=0.677812 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0625783 Jy ! Component: 100 - total flux cleaned = 0.0957802 Jy ! Component: 150 - total flux cleaned = 0.115934 Jy ! Component: 200 - total flux cleaned = 0.128574 Jy ! Total flux subtracted in 200 components = 0.128574 Jy ! Clean residual min=-0.003800 max=0.006644 Jy/beam ! Clean residual mean=-0.000004 rms=0.001295 Jy/beam ! Combined flux in latest and established models = 0.128574 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.128574 Jy ! Inverting map and beam ! Estimated beam: bmin=1.939 mas, bmaj=4.569 mas, bpa=14.63 degrees ! Estimated noise=0.503544 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 = 0.0126601 Jy ! Component: 100 - total flux cleaned = 0.0206966 Jy ! Component: 150 - total flux cleaned = 0.0262288 Jy ! Component: 200 - total flux cleaned = 0.03019 Jy ! Total flux subtracted in 200 components = 0.03019 Jy ! Clean residual min=-0.002163 max=0.002759 Jy/beam ! Clean residual mean=-0.000001 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 0.158764 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 72 components and 0.158764 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=3.96 mas, bmaj=5.554 mas, bpa=5.7 degrees ! Estimated noise=0.597677 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00443363 Jy ! Component: 100 - total flux cleaned = 0.00691166 Jy ! Component: 150 - total flux cleaned = 0.00782738 Jy ! Component: 200 - total flux cleaned = 0.00826027 Jy ! Total flux subtracted in 200 components = 0.00826027 Jy ! Clean residual min=-0.002074 max=0.001918 Jy/beam ! Clean residual mean=-0.000001 rms=0.000470 Jy/beam ! Combined flux in latest and established models = 0.167024 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 = 0.000222459 Jy ! Component: 100 - total flux cleaned = 0.00031569 Jy ! Component: 150 - total flux cleaned = 0.000342744 Jy ! Component: 200 - total flux cleaned = 0.000390393 Jy ! Total flux subtracted in 200 components = 0.000390393 Jy ! Clean residual min=-0.001971 max=0.001824 Jy/beam ! Clean residual mean=-0.000001 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.167415 Jy ! Adding 86 model components to the UV plane model. ! The established model now contains 148 components and 0.167415 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.939 mas, bmaj=4.569 mas, bpa=14.63 degrees ! Estimated noise=0.503544 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.80453e-05 Jy ! Component: 100 - total flux cleaned = 0.000219722 Jy ! Component: 150 - total flux cleaned = 0.000285227 Jy ! Component: 200 - total flux cleaned = 0.000314751 Jy ! Total flux subtracted in 200 components = 0.000314751 Jy ! Clean residual min=-0.001437 max=0.001679 Jy/beam ! Clean residual mean=-0.000001 rms=0.000377 Jy/beam ! Combined flux in latest and established models = 0.167729 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 163 components and 0.167729 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=0.017162Jy sigma=0.645890 ! Fit after self-cal, rms=0.017145Jy sigma=0.645050 wmodel J1750+2020_C_map.mod ! Writing 163 model components to file: J1750+2020_C_map.mod wobs J1750+2020_C_uvs.fits ! Writing UV FITS file: J1750+2020_C_uvs.fits wwins J1750+2020_C_map.win ! wwins: Wrote 3 windows to J1750+2020_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 = 0.00070742 Jy ! Component: 100 - total flux cleaned = 0.00114094 Jy ! Component: 150 - total flux cleaned = 0.00149246 Jy ! Component: 200 - total flux cleaned = 0.00164675 Jy ! Component: 250 - total flux cleaned = 0.00173069 Jy ! Component: 300 - total flux cleaned = 0.00181047 Jy ! Component: 350 - total flux cleaned = 0.00184891 Jy ! Component: 400 - total flux cleaned = 0.00183057 Jy ! Component: 450 - total flux cleaned = 0.0019215 Jy ! Component: 500 - total flux cleaned = 0.00197426 Jy ! Component: 550 - total flux cleaned = 0.00199112 Jy ! Component: 600 - total flux cleaned = 0.00200863 Jy ! Component: 650 - total flux cleaned = 0.00212234 Jy ! Component: 700 - total flux cleaned = 0.00221716 Jy ! Component: 750 - total flux cleaned = 0.00223248 Jy ! Component: 800 - total flux cleaned = 0.00230856 Jy ! Component: 850 - total flux cleaned = 0.00232347 Jy ! Component: 900 - total flux cleaned = 0.00235269 Jy ! Component: 950 - total flux cleaned = 0.00236691 Jy ! Component: 1000 - total flux cleaned = 0.00239491 Jy ! Component: 1050 - total flux cleaned = 0.00243576 Jy ! Component: 1100 - total flux cleaned = 0.00243572 Jy ! Component: 1150 - total flux cleaned = 0.00244885 Jy ! Component: 1200 - total flux cleaned = 0.00250035 Jy ! Component: 1250 - total flux cleaned = 0.00244944 Jy ! Component: 1300 - total flux cleaned = 0.00249953 Jy ! Component: 1350 - total flux cleaned = 0.00251188 Jy ! Component: 1400 - total flux cleaned = 0.00250012 Jy ! Component: 1450 - total flux cleaned = 0.00255933 Jy ! Component: 1500 - total flux cleaned = 0.00261743 Jy ! Component: 1550 - total flux cleaned = 0.00264031 Jy ! Component: 1600 - total flux cleaned = 0.0026741 Jy ! Component: 1650 - total flux cleaned = 0.00274085 Jy ! Component: 1700 - total flux cleaned = 0.00280659 Jy ! Component: 1750 - total flux cleaned = 0.00279594 Jy ! Component: 1800 - total flux cleaned = 0.00285981 Jy ! Component: 1850 - total flux cleaned = 0.00290154 Jy ! Component: 1900 - total flux cleaned = 0.00295307 Jy ! Component: 1950 - total flux cleaned = 0.00297344 Jy ! Component: 2000 - total flux cleaned = 0.00298383 Jy ! Component: 2050 - total flux cleaned = 0.00305327 Jy ! Component: 2100 - total flux cleaned = 0.00308275 Jy ! Component: 2150 - total flux cleaned = 0.00311164 Jy ! Component: 2200 - total flux cleaned = 0.00314958 Jy ! Component: 2250 - total flux cleaned = 0.00322481 Jy ! Component: 2300 - total flux cleaned = 0.00322479 Jy ! Component: 2350 - total flux cleaned = 0.00327056 Jy ! Component: 2400 - total flux cleaned = 0.00328863 Jy ! Component: 2450 - total flux cleaned = 0.00331549 Jy ! Component: 2500 - total flux cleaned = 0.00333334 Jy ! Component: 2550 - total flux cleaned = 0.00336844 Jy ! Component: 2600 - total flux cleaned = 0.00338573 Jy ! Component: 2650 - total flux cleaned = 0.00342002 Jy ! Component: 2700 - total flux cleaned = 0.00345378 Jy ! Component: 2750 - total flux cleaned = 0.00347047 Jy ! Component: 2800 - total flux cleaned = 0.00349529 Jy ! Component: 2850 - total flux cleaned = 0.00354435 Jy ! Component: 2900 - total flux cleaned = 0.00357659 Jy ! Component: 2950 - total flux cleaned = 0.00359265 Jy ! Component: 3000 - total flux cleaned = 0.00360858 Jy ! Component: 3050 - total flux cleaned = 0.00360863 Jy ! Component: 3100 - total flux cleaned = 0.00363971 Jy ! Component: 3150 - total flux cleaned = 0.00365511 Jy ! Component: 3200 - total flux cleaned = 0.00370841 Jy ! Component: 3250 - total flux cleaned = 0.00371583 Jy ! Component: 3300 - total flux cleaned = 0.0037232 Jy ! Component: 3350 - total flux cleaned = 0.00374548 Jy ! Component: 3400 - total flux cleaned = 0.00376029 Jy ! Component: 3450 - total flux cleaned = 0.00380402 Jy ! Component: 3500 - total flux cleaned = 0.00384022 Jy ! Component: 3550 - total flux cleaned = 0.00389039 Jy ! Component: 3600 - total flux cleaned = 0.00390463 Jy ! Component: 3650 - total flux cleaned = 0.00394694 Jy ! Component: 3700 - total flux cleaned = 0.00396795 Jy ! Component: 3750 - total flux cleaned = 0.00399569 Jy ! Component: 3800 - total flux cleaned = 0.00399565 Jy ! Component: 3850 - total flux cleaned = 0.00405728 Jy ! Component: 3900 - total flux cleaned = 0.00405048 Jy ! Component: 3950 - total flux cleaned = 0.00408421 Jy ! Component: 4000 - total flux cleaned = 0.00409093 Jy ! Component: 4050 - total flux cleaned = 0.0041175 Jy ! Total flux subtracted in 4096 components = 0.00413073 Jy ! Clean residual min=-0.000333 max=0.000362 Jy/beam ! Clean residual mean=-0.000001 rms=0.000118 Jy/beam ! Combined flux in latest and established models = 0.17186 Jy keep ! Adding 277 model components to the UV plane model. ! The established model now contains 440 components and 0.17186 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1750+2020_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.939 x 4.569 at 14.63 degrees (North through East) ! Clean map min=-0.0011353 max=0.074009 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1750+2020_C_map.fits wmodel /vlbi/sb072/temp_maps//J1750+2020_C_map.mod ! Writing 440 model components to file: /vlbi/sb072/temp_maps//J1750+2020_C_map.mod wobs /vlbi/sb072/temp_maps//J1750+2020_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1750+2020_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1750+2020_C_map.win ! wwins: Wrote 4 windows to /vlbi/sb072/temp_maps//J1750+2020_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0740087 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000115409 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.46782 0.46782 0.93564 1.87128 3.74256 7.48512 14.9702 29.9405 59.8809 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.074 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 641.272 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1750+2020_C_dfm.log closed on Tue Mar 5 23:25:53 2019