! Started logfile: /vlbi/sb072/temp_maps//J1357+4353_C_dfm.log on Fri Jan 25 19:32:18 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//J1357+4353_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1357+4353_C_uva.fits ! AN table 1: 6 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1357+4353 ! ! 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 1728 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 J1357+4353_C] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.013274Jy sigma=39.882083 ! Fit after self-cal, rms=0.864472Jy sigma=33.847955 ! 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=1.508 mas, bmaj=4.607 mas, bpa=54.76 degrees ! Estimated noise=0.785093 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 = 0.0903447 Jy ! Component: 100 - total flux cleaned = 0.131594 Jy ! Total flux subtracted in 100 components = 0.131594 Jy ! Clean residual min=-0.033065 max=0.057777 Jy/beam ! Clean residual mean=0.000015 rms=0.005619 Jy/beam ! Combined flux in latest and established models = 0.131594 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.131594 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=0.102266Jy sigma=3.734311 ! Fit after self-cal, rms=0.100942Jy sigma=3.631545 ! Inverting map ! Added new window around map position (-9.9, 5.7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0537705 Jy ! Component: 100 - total flux cleaned = 0.0765679 Jy ! Total flux subtracted in 100 components = 0.0765679 Jy ! Clean residual min=-0.015172 max=0.020811 Jy/beam ! Clean residual mean=0.000008 rms=0.003372 Jy/beam ! Combined flux in latest and established models = 0.208162 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 17 components and 0.208162 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=0.064168Jy sigma=2.207664 ! Fit after self-cal, rms=0.060495Jy sigma=2.074420 ! 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=1.994 mas, bmaj=4.599 mas, bpa=53.87 degrees ! Estimated noise=0.534756 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 = 0.025434 Jy ! Component: 100 - total flux cleaned = 0.0416768 Jy ! Component: 150 - total flux cleaned = 0.048228 Jy ! Component: 200 - total flux cleaned = 0.0507587 Jy ! Total flux subtracted in 200 components = 0.0507587 Jy ! Clean residual min=-0.011149 max=0.012703 Jy/beam ! Clean residual mean=0.000015 rms=0.002715 Jy/beam ! Combined flux in latest and established models = 0.25892 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 36 components and 0.25892 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=0.043228Jy sigma=1.445515 ! Fit after self-cal, rms=0.042689Jy sigma=1.432090 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.994 x 4.599 at 53.87 degrees (North through East) ! Clean map min=-0.010291 max=0.14321 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.99 HN 0.80 KP 1.11 ! LA 1.00* NL 1.06 OV 0.90 PT 0.94 ! SC 0.83 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.99 HN 0.83 KP 1.11 ! LA 1.00* NL 1.08 OV 0.94 PT 0.94 ! SC 0.84 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.99 HN 0.82 KP 1.11 ! LA 1.00* NL 1.07 OV 0.94 PT 0.96 ! SC 0.82 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.84 FD 0.99 HN 0.81 KP 1.12 ! LA 1.00* NL 1.10 OV 0.94 PT 0.93 ! SC 0.83 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 1.00 HN 0.80 KP 1.09 ! LA 1.00* NL 1.16 OV 1.01 PT 0.94 ! SC 0.90 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.02 HN 0.82 KP 1.11 ! LA 1.00* NL 1.19 OV 0.99 PT 0.95 ! SC 0.90 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.01 HN 0.81 KP 1.10 ! LA 1.00* NL 1.20 OV 1.00 PT 0.95 ! SC 0.90 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.01 HN 0.84 KP 1.08 ! LA 1.00* NL 1.21 OV 1.00 PT 0.95 ! SC 0.91 ! ! ! Fit before self-cal, rms=0.042689Jy sigma=1.432090 ! Fit after self-cal, rms=0.028346Jy sigma=0.943466 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.917 mas, bmaj=4.506 mas, bpa=54.32 degrees ! Estimated noise=0.493318 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 = 0.00890454 Jy ! Component: 100 - total flux cleaned = 0.0136127 Jy ! Component: 150 - total flux cleaned = 0.0167618 Jy ! Component: 200 - total flux cleaned = 0.0193318 Jy ! Total flux subtracted in 200 components = 0.0193318 Jy ! Clean residual min=-0.003582 max=0.004245 Jy/beam ! Clean residual mean=0.000012 rms=0.000869 Jy/beam ! Combined flux in latest and established models = 0.278252 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 57 components and 0.278252 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=0.024179Jy sigma=0.740607 ! Fit after self-cal, rms=0.024061Jy sigma=0.737166 ! 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=0.024061Jy sigma=0.737166 ! Fit after self-cal, rms=0.023781Jy sigma=0.724003 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.91 mas, bmaj=4.491 mas, bpa=54.35 degrees ! Estimated noise=0.490082 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00376202 Jy ! Component: 100 - total flux cleaned = 0.00596521 Jy ! Component: 150 - total flux cleaned = 0.00751743 Jy ! Component: 200 - total flux cleaned = 0.00869261 Jy ! Total flux subtracted in 200 components = 0.00869261 Jy ! Clean residual min=-0.003010 max=0.003101 Jy/beam ! Clean residual mean=0.000005 rms=0.000642 Jy/beam ! Combined flux in latest and established models = 0.286945 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 75 components and 0.286945 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=0.022773Jy sigma=0.671037 ! Fit after self-cal, rms=0.022746Jy sigma=0.670260 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 (-5.4, -15). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00254362 Jy ! Component: 100 - total flux cleaned = 0.00340329 Jy ! Component: 150 - total flux cleaned = 0.00398926 Jy ! Component: 200 - total flux cleaned = 0.004568 Jy ! Total flux subtracted in 200 components = 0.004568 Jy ! Clean residual min=-0.002529 max=0.002216 Jy/beam ! Clean residual mean=0.000000 rms=0.000523 Jy/beam ! Combined flux in latest and established models = 0.291513 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 93 components and 0.291513 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=0.022139Jy sigma=0.641865 ! Fit after self-cal, rms=0.022120Jy sigma=0.640551 ! 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=0.022120Jy sigma=0.640551 ! Fit after self-cal, rms=0.022107Jy sigma=0.638037 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.906 mas, bmaj=4.49 mas, bpa=54.38 degrees ! Estimated noise=0.489475 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153482 Jy ! Component: 100 - total flux cleaned = 0.00225244 Jy ! Component: 150 - total flux cleaned = 0.00261854 Jy ! Component: 200 - total flux cleaned = 0.00282785 Jy ! Total flux subtracted in 200 components = 0.00282785 Jy ! Clean residual min=-0.002058 max=0.002026 Jy/beam ! Clean residual mean=-0.000001 rms=0.000462 Jy/beam ! Combined flux in latest and established models = 0.294341 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 107 components and 0.294341 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=0.021902Jy sigma=0.626711 ! Fit after self-cal, rms=0.021904Jy sigma=0.626472 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 = 0.000198696 Jy ! Component: 100 - total flux cleaned = 0.000271308 Jy ! Component: 150 - total flux cleaned = 0.000374392 Jy ! Component: 200 - total flux cleaned = 0.000438767 Jy ! Total flux subtracted in 200 components = 0.000438767 Jy ! Clean residual min=-0.001818 max=0.001914 Jy/beam ! Clean residual mean=-0.000002 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.294779 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 112 components and 0.294779 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=0.021800Jy sigma=0.620589 ! Fit after self-cal, rms=0.021800Jy sigma=0.620424 ! Inverting map ! Added new window around map position (-7.2, 23.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00081189 Jy ! Component: 100 - total flux cleaned = 0.00104962 Jy ! Component: 150 - total flux cleaned = 0.00111624 Jy ! Component: 200 - total flux cleaned = 0.00117619 Jy ! Total flux subtracted in 200 components = 0.00117619 Jy ! Clean residual min=-0.001591 max=0.001438 Jy/beam ! Clean residual mean=-0.000003 rms=0.000383 Jy/beam ! Combined flux in latest and established models = 0.295955 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 135 components and 0.295956 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=0.021628Jy sigma=0.610785 ! Fit after self-cal, rms=0.021623Jy sigma=0.610447 ! 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=0.021623Jy sigma=0.610447 ! Fit after self-cal, rms=0.021710Jy sigma=0.609214 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.543 mas, bmaj=4.766 mas, bpa=47.96 degrees ! Estimated noise=0.620603 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000795171 Jy ! Component: 100 - total flux cleaned = 0.00100322 Jy ! Component: 150 - total flux cleaned = 0.00114287 Jy ! Component: 200 - total flux cleaned = 0.00119223 Jy ! Total flux subtracted in 200 components = 0.00119223 Jy ! Clean residual min=-0.001526 max=0.001411 Jy/beam ! Clean residual mean=-0.000006 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.297148 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 161 components and 0.297148 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=0.021635Jy sigma=0.607451 ! Fit after self-cal, rms=0.021634Jy sigma=0.607298 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 = -1.58377e-06 Jy ! Component: 100 - total flux cleaned = -4.54873e-05 Jy ! Component: 150 - total flux cleaned = -4.51765e-05 Jy ! Component: 200 - total flux cleaned = -9.43009e-06 Jy ! Total flux subtracted in 200 components = -9.43009e-06 Jy ! Clean residual min=-0.001477 max=0.001387 Jy/beam ! Clean residual mean=-0.000007 rms=0.000382 Jy/beam ! Combined flux in latest and established models = 0.297138 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 172 components and 0.297138 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=0.021606Jy sigma=0.606512 ! Fit after self-cal, rms=0.021605Jy sigma=0.606437 ! 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=1.907 mas, bmaj=4.485 mas, bpa=54.37 degrees ! Estimated noise=0.490436 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.907 x 4.485 at 54.37 degrees (North through East) ! Clean map min=-0.0022182 max=0.13562 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=1.47 mas, bmaj=4.55 mas, bpa=55.1 degrees ! Estimated noise=0.691065 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0896617 Jy ! Component: 100 - total flux cleaned = 0.138455 Jy ! Component: 150 - total flux cleaned = 0.171801 Jy ! Component: 200 - total flux cleaned = 0.19588 Jy ! Total flux subtracted in 200 components = 0.19588 Jy ! Clean residual min=-0.011429 max=0.013703 Jy/beam ! Clean residual mean=0.000011 rms=0.002351 Jy/beam ! Combined flux in latest and established models = 0.19588 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.19588 Jy ! Inverting map and beam ! Estimated beam: bmin=1.907 mas, bmaj=4.485 mas, bpa=54.37 degrees ! Estimated noise=0.490436 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 = 0.02556 Jy ! Component: 100 - total flux cleaned = 0.0428405 Jy ! Component: 150 - total flux cleaned = 0.0550232 Jy ! Component: 200 - total flux cleaned = 0.0637813 Jy ! Total flux subtracted in 200 components = 0.0637813 Jy ! Clean residual min=-0.004831 max=0.005021 Jy/beam ! Clean residual mean=0.000023 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 0.259661 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 36 components and 0.259661 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=3.543 mas, bmaj=4.766 mas, bpa=47.96 degrees ! Estimated noise=0.620603 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00943172 Jy ! Component: 100 - total flux cleaned = 0.0160686 Jy ! Component: 150 - total flux cleaned = 0.0210899 Jy ! Component: 200 - total flux cleaned = 0.0249982 Jy ! Total flux subtracted in 200 components = 0.0249982 Jy ! Clean residual min=-0.003244 max=0.003759 Jy/beam ! Clean residual mean=0.000012 rms=0.000947 Jy/beam ! Combined flux in latest and established models = 0.284659 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 = 0.00311968 Jy ! Component: 100 - total flux cleaned = 0.00565731 Jy ! Component: 150 - total flux cleaned = 0.00762997 Jy ! Component: 200 - total flux cleaned = 0.00874776 Jy ! Total flux subtracted in 200 components = 0.00874776 Jy ! Clean residual min=-0.002130 max=0.002599 Jy/beam ! Clean residual mean=-0.000000 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.293407 Jy ! Adding 70 model components to the UV plane model. ! The established model now contains 103 components and 0.293407 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.907 mas, bmaj=4.485 mas, bpa=54.37 degrees ! Estimated noise=0.490436 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0005267 Jy ! Component: 100 - total flux cleaned = 0.000873041 Jy ! Component: 150 - total flux cleaned = 0.000943294 Jy ! Component: 200 - total flux cleaned = 0.000943712 Jy ! Total flux subtracted in 200 components = 0.000943712 Jy ! Clean residual min=-0.002014 max=0.002689 Jy/beam ! Clean residual mean=-0.000001 rms=0.000485 Jy/beam ! Combined flux in latest and established models = 0.294351 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 124 components and 0.294351 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=0.022148Jy sigma=0.638710 ! Fit after self-cal, rms=0.022114Jy sigma=0.636115 wmodel J1357+4353_C_map.mod ! Writing 124 model components to file: J1357+4353_C_map.mod wobs J1357+4353_C_uvs.fits ! Writing UV FITS file: J1357+4353_C_uvs.fits wwins J1357+4353_C_map.win ! wwins: Wrote 4 windows to J1357+4353_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 = 0.000853033 Jy ! Component: 100 - total flux cleaned = 0.000967943 Jy ! Component: 150 - total flux cleaned = 0.000872048 Jy ! Component: 200 - total flux cleaned = 0.000813451 Jy ! Component: 250 - total flux cleaned = 0.000814092 Jy ! Component: 300 - total flux cleaned = 0.00083989 Jy ! Component: 350 - total flux cleaned = 0.000814214 Jy ! Component: 400 - total flux cleaned = 0.000862339 Jy ! Component: 450 - total flux cleaned = 0.000839324 Jy ! Component: 500 - total flux cleaned = 0.000750256 Jy ! Component: 550 - total flux cleaned = 0.000707141 Jy ! Component: 600 - total flux cleaned = 0.000707703 Jy ! Component: 650 - total flux cleaned = 0.000708035 Jy ! Component: 700 - total flux cleaned = 0.000707665 Jy ! Component: 750 - total flux cleaned = 0.000648659 Jy ! Component: 800 - total flux cleaned = 0.000553706 Jy ! Component: 850 - total flux cleaned = 0.000478992 Jy ! Component: 900 - total flux cleaned = 0.000405792 Jy ! Component: 950 - total flux cleaned = 0.000334335 Jy ! Component: 1000 - total flux cleaned = 0.000316322 Jy ! Component: 1050 - total flux cleaned = 0.000178579 Jy ! Component: 1100 - total flux cleaned = 0.00014508 Jy ! Component: 1150 - total flux cleaned = 0.000145412 Jy ! Component: 1200 - total flux cleaned = 0.000145103 Jy ! Component: 1250 - total flux cleaned = 8.07132e-05 Jy ! Component: 1300 - total flux cleaned = 3.32319e-05 Jy ! Component: 1350 - total flux cleaned = 1.7462e-05 Jy ! Component: 1400 - total flux cleaned = -1.34651e-05 Jy ! Component: 1450 - total flux cleaned = -7.37598e-05 Jy ! Component: 1500 - total flux cleaned = -4.39863e-05 Jy ! Component: 1550 - total flux cleaned = -0.000117614 Jy ! Component: 1600 - total flux cleaned = -0.000117541 Jy ! Component: 1650 - total flux cleaned = -0.000160452 Jy ! Component: 1700 - total flux cleaned = -0.000160587 Jy ! Component: 1750 - total flux cleaned = -0.000230067 Jy ! Component: 1800 - total flux cleaned = -0.000339246 Jy ! Component: 1850 - total flux cleaned = -0.000352375 Jy ! Component: 1900 - total flux cleaned = -0.000418692 Jy ! Component: 1950 - total flux cleaned = -0.00041875 Jy ! Component: 2000 - total flux cleaned = -0.000509772 Jy ! Component: 2050 - total flux cleaned = -0.000586695 Jy ! Component: 2100 - total flux cleaned = -0.000688135 Jy ! Component: 2150 - total flux cleaned = -0.000737796 Jy ! Component: 2200 - total flux cleaned = -0.000836694 Jy ! Component: 2250 - total flux cleaned = -0.000885557 Jy ! Component: 2300 - total flux cleaned = -0.000994211 Jy ! Component: 2350 - total flux cleaned = -0.00107766 Jy ! Component: 2400 - total flux cleaned = -0.00114856 Jy ! Component: 2450 - total flux cleaned = -0.00119518 Jy ! Component: 2500 - total flux cleaned = -0.00129917 Jy ! Component: 2550 - total flux cleaned = -0.00135635 Jy ! Component: 2600 - total flux cleaned = -0.00142418 Jy ! Component: 2650 - total flux cleaned = -0.00149139 Jy ! Component: 2700 - total flux cleaned = -0.00160213 Jy ! Component: 2750 - total flux cleaned = -0.00163488 Jy ! Component: 2800 - total flux cleaned = -0.00168935 Jy ! Component: 2850 - total flux cleaned = -0.00175405 Jy ! Component: 2900 - total flux cleaned = -0.0017756 Jy ! Component: 2950 - total flux cleaned = -0.00182864 Jy ! Component: 3000 - total flux cleaned = -0.00190207 Jy ! Component: 3050 - total flux cleaned = -0.00194375 Jy ! Component: 3100 - total flux cleaned = -0.00200541 Jy ! Component: 3150 - total flux cleaned = -0.0020462 Jy ! Component: 3200 - total flux cleaned = -0.00204605 Jy ! Component: 3250 - total flux cleaned = -0.00207616 Jy ! Component: 3300 - total flux cleaned = -0.00214572 Jy ! Component: 3350 - total flux cleaned = -0.00213582 Jy ! Component: 3400 - total flux cleaned = -0.00216522 Jy ! Component: 3450 - total flux cleaned = -0.0021942 Jy ! Component: 3500 - total flux cleaned = -0.0022519 Jy ! Component: 3550 - total flux cleaned = -0.00228033 Jy ! Component: 3600 - total flux cleaned = -0.00232755 Jy ! Component: 3650 - total flux cleaned = -0.00231837 Jy ! Component: 3700 - total flux cleaned = -0.00234627 Jy ! Component: 3750 - total flux cleaned = -0.00239243 Jy ! Component: 3800 - total flux cleaned = -0.00242908 Jy ! Component: 3850 - total flux cleaned = -0.00245639 Jy ! Component: 3900 - total flux cleaned = -0.00248351 Jy ! Component: 3950 - total flux cleaned = -0.00252822 Jy ! Component: 4000 - total flux cleaned = -0.00248367 Jy ! Component: 4050 - total flux cleaned = -0.00250145 Jy ! Total flux subtracted in 4096 components = -0.00252776 Jy ! Clean residual min=-0.000532 max=0.000460 Jy/beam ! Clean residual mean=-0.000002 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.291823 Jy keep ! Adding 310 model components to the UV plane model. ! The established model now contains 434 components and 0.291823 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1357+4353_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.907 x 4.485 at 54.37 degrees (North through East) ! Clean map min=-0.0011679 max=0.13283 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1357+4353_C_map.fits wmodel /vlbi/sb072/temp_maps//J1357+4353_C_map.mod ! Writing 434 model components to file: /vlbi/sb072/temp_maps//J1357+4353_C_map.mod wobs /vlbi/sb072/temp_maps//J1357+4353_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1357+4353_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1357+4353_C_map.win ! wwins: Wrote 5 windows to /vlbi/sb072/temp_maps//J1357+4353_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.13283 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000161622 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.365027 0.365027 0.730053 1.46011 2.92021 5.84043 11.6809 23.3617 46.7234 93.4468 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.132 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 821.858 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1357+4353_C_dfm.log closed on Fri Jan 25 19:32:23 2019