! Started logfile: /image_prod/ug002_uva//J1837-1532_X_dfm.log on Thu Mar 5 03:51:04 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /image_prod/ug002_uva//J1837-1532_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1837-1532_X_uva.fits ! AN table 1: 75 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.876667 visibilities/baseline/integration-bin. ! Found source: J1837-1532 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 22092 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1837-1532_X] 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 0.200x0.200 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 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 37 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003293Jy sigma=8.961587 ! Fit after self-cal, rms=0.970031Jy sigma=8.684485 ! 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=1.362 mas, bmaj=4.601 mas, bpa=-9.427 degrees ! Estimated noise=0.997532 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 = 0.0237445 Jy ! Component: 100 - total flux cleaned = 0.0252951 Jy ! Total flux subtracted in 100 components = 0.0252951 Jy ! Clean residual min=-0.003895 max=0.004555 Jy/beam ! Clean residual mean=0.000001 rms=0.001035 Jy/beam ! Combined flux in latest and established models = 0.0252951 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0252951 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062162Jy sigma=0.496830 ! Fit after self-cal, rms=0.060545Jy sigma=0.482450 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00203345 Jy ! Component: 100 - total flux cleaned = 0.00201429 Jy ! Total flux subtracted in 100 components = 0.00201429 Jy ! Clean residual min=-0.004138 max=0.004132 Jy/beam ! Clean residual mean=0.000002 rms=0.000982 Jy/beam ! Combined flux in latest and established models = 0.0273094 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 0.0273094 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059655Jy sigma=0.476820 ! Fit after self-cal, rms=0.059427Jy sigma=0.476146 ! 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=1.684 mas, bmaj=4.83 mas, bpa=-7.894 degrees ! Estimated noise=0.54102 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 = -0.000647627 Jy ! Component: 100 - total flux cleaned = -0.000891154 Jy ! Component: 150 - total flux cleaned = -0.00130176 Jy ! Component: 200 - total flux cleaned = -0.00164614 Jy ! Total flux subtracted in 200 components = -0.00164614 Jy ! Clean residual min=-0.003189 max=0.003459 Jy/beam ! Clean residual mean=0.000006 rms=0.000857 Jy/beam ! Combined flux in latest and established models = 0.0256632 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 24 components and 0.0256632 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.058847Jy sigma=0.472960 ! Fit after self-cal, rms=0.058488Jy sigma=0.472083 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.684 x 4.83 at -7.894 degrees (North through East) ! Clean map min=-0.0048214 max=0.034522 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.76 FD 1.02 HN 0.90 KP 1.25 ! LA 1.02 NL 1.25 OV 1.12 PT 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.81 FD 1.07 HN 1.00 KP 1.24 ! LA 0.94 NL 1.26 OV 1.06 PT 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.72 FD 1.14 HN 0.94 KP 1.33 ! LA 1.09 NL 1.15 OV 1.01 PT 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.76 FD 1.09 HN 1.00 KP 1.39 ! LA 0.90 NL 1.27 OV 1.06 PT 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.74 FD 1.18 HN 0.97 KP 1.45 ! LA 1.01 NL 1.20 OV 0.93 PT 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.66 FD 1.06 HN 1.06 KP 1.35 ! LA 1.02 NL 1.19 OV 1.00 PT 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.71 FD 1.03 HN 0.84 KP 1.39 ! LA 0.97 NL 1.25 OV 0.87 PT 1.10 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.69 FD 1.11 HN 0.84 KP 1.40 ! LA 1.13 NL 1.22 OV 0.90 PT 0.95 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.61 FD 1.06 HN 0.92 KP 1.39 ! LA 1.01 NL 1.21 OV 0.90 PT 1.02 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.63 FD 1.02 HN 0.85 KP 1.22 ! LA 0.97 NL 1.34 OV 0.95 PT 1.05 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.63 FD 1.03 HN 0.84 KP 1.33 ! LA 0.97 NL 1.18 OV 0.93 PT 0.89 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.70 FD 0.99 HN 0.86 KP 1.12 ! LA 0.97 NL 1.10 OV 0.89 PT 0.91 ! ! ! Fit before self-cal, rms=0.058488Jy sigma=0.472083 ! Fit after self-cal, rms=0.053981Jy sigma=0.465319 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.646 mas, bmaj=4.49 mas, bpa=-5.77 degrees ! Estimated noise=0.548523 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 = 0.00152371 Jy ! Component: 100 - total flux cleaned = 0.00228156 Jy ! Component: 150 - total flux cleaned = 0.00248038 Jy ! Component: 200 - total flux cleaned = 0.00252079 Jy ! Total flux subtracted in 200 components = 0.00252079 Jy ! Clean residual min=-0.002025 max=0.002100 Jy/beam ! Clean residual mean=0.000006 rms=0.000515 Jy/beam ! Combined flux in latest and established models = 0.028184 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 34 components and 0.028184 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053942Jy sigma=0.464935 ! Fit after self-cal, rms=0.054058Jy sigma=0.462366 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054058Jy sigma=0.462366 ! Fit after self-cal, rms=0.057890Jy sigma=0.459962 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.627 mas, bmaj=4.298 mas, bpa=-4.775 degrees ! Estimated noise=0.566045 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109068 Jy ! Component: 100 - total flux cleaned = 0.00149342 Jy ! Component: 150 - total flux cleaned = 0.00161629 Jy ! Component: 200 - total flux cleaned = 0.00165668 Jy ! Total flux subtracted in 200 components = 0.00165668 Jy ! Clean residual min=-0.001331 max=0.001540 Jy/beam ! Clean residual mean=0.000006 rms=0.000414 Jy/beam ! Combined flux in latest and established models = 0.0298407 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 47 components and 0.0298407 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057869Jy sigma=0.459762 ! Fit after self-cal, rms=0.058240Jy sigma=0.458694 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 = -0.0012175 Jy ! Component: 100 - total flux cleaned = -0.00178334 Jy ! Component: 150 - total flux cleaned = -0.00194563 Jy ! Component: 200 - total flux cleaned = -0.00203041 Jy ! Total flux subtracted in 200 components = -0.00203041 Jy ! Clean residual min=-0.001675 max=0.001741 Jy/beam ! Clean residual mean=0.000006 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.0278103 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 59 components and 0.0278103 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.058209Jy sigma=0.458472 ! Fit after self-cal, rms=0.058308Jy sigma=0.458327 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.058308Jy sigma=0.458327 ! Fit after self-cal, rms=0.061491Jy sigma=0.457815 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.609 mas, bmaj=4.212 mas, bpa=-4.399 degrees ! Estimated noise=0.573671 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000853604 Jy ! Component: 100 - total flux cleaned = 0.00114993 Jy ! Component: 150 - total flux cleaned = 0.00127145 Jy ! Component: 200 - total flux cleaned = 0.00132388 Jy ! Total flux subtracted in 200 components = 0.00132388 Jy ! Clean residual min=-0.001290 max=0.001477 Jy/beam ! Clean residual mean=0.000006 rms=0.000398 Jy/beam ! Combined flux in latest and established models = 0.0291342 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 67 components and 0.0291342 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061480Jy sigma=0.457689 ! Fit after self-cal, rms=0.061726Jy sigma=0.457305 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 = -0.000664475 Jy ! Component: 100 - total flux cleaned = -0.000846177 Jy ! Component: 150 - total flux cleaned = -0.000895461 Jy ! Component: 200 - total flux cleaned = -0.000894777 Jy ! Total flux subtracted in 200 components = -0.000894777 Jy ! Clean residual min=-0.001580 max=0.001666 Jy/beam ! Clean residual mean=0.000005 rms=0.000416 Jy/beam ! Combined flux in latest and established models = 0.0282394 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 67 components and 0.0282394 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061715Jy sigma=0.457237 ! Fit after self-cal, rms=0.061782Jy sigma=0.457196 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061782Jy sigma=0.457196 ! Fit after self-cal, rms=0.064166Jy sigma=0.456984 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.484 mas, bmaj=4.471 mas, bpa=4.753 degrees ! Estimated noise=0.638702 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000700575 Jy ! Component: 100 - total flux cleaned = 0.00108048 Jy ! Component: 150 - total flux cleaned = 0.00116651 Jy ! Component: 200 - total flux cleaned = 0.00119369 Jy ! Total flux subtracted in 200 components = 0.00119369 Jy ! Clean residual min=-0.001495 max=0.001659 Jy/beam ! Clean residual mean=0.000007 rms=0.000488 Jy/beam ! Combined flux in latest and established models = 0.0294331 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 73 components and 0.0294331 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.064160Jy sigma=0.456910 ! Fit after self-cal, rms=0.064341Jy sigma=0.456778 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 = -0.000306494 Jy ! Component: 100 - total flux cleaned = -0.000326632 Jy ! Component: 150 - total flux cleaned = -0.000335267 Jy ! Component: 200 - total flux cleaned = -0.000335295 Jy ! Total flux subtracted in 200 components = -0.000335295 Jy ! Clean residual min=-0.001599 max=0.001797 Jy/beam ! Clean residual mean=0.000007 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.0290978 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 82 components and 0.0290978 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.064337Jy sigma=0.456765 ! Fit after self-cal, rms=0.064363Jy sigma=0.456736 ! 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=1.599 mas, bmaj=4.157 mas, bpa=-4.177 degrees ! Estimated noise=0.577643 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.599 x 4.157 at -4.177 degrees (North through East) ! Clean map min=-0.0043921 max=0.03425 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=1.296 mas, bmaj=3.988 mas, bpa=-6.61 degrees ! Estimated noise=1.02714 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0260866 Jy ! Component: 100 - total flux cleaned = 0.0294411 Jy ! Component: 150 - total flux cleaned = 0.0285899 Jy ! Component: 200 - total flux cleaned = 0.0279107 Jy ! Total flux subtracted in 200 components = 0.0279107 Jy ! Clean residual min=-0.002997 max=0.002307 Jy/beam ! Clean residual mean=0.000005 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.0279107 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0279107 Jy ! Inverting map and beam ! Estimated beam: bmin=1.599 mas, bmaj=4.157 mas, bpa=-4.177 degrees ! Estimated noise=0.577643 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-10.4, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00193962 Jy ! Component: 100 - total flux cleaned = 0.00231332 Jy ! Component: 150 - total flux cleaned = 0.00272653 Jy ! Component: 200 - total flux cleaned = 0.00291776 Jy ! Total flux subtracted in 200 components = 0.00291776 Jy ! Clean residual min=-0.001834 max=0.001395 Jy/beam ! Clean residual mean=0.000005 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.0308285 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 44 components and 0.0308285 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.484 mas, bmaj=4.471 mas, bpa=4.753 degrees ! Estimated noise=0.638702 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000645496 Jy ! Component: 100 - total flux cleaned = 0.00106151 Jy ! Component: 150 - total flux cleaned = 0.00133998 Jy ! Component: 200 - total flux cleaned = 0.00161412 Jy ! Total flux subtracted in 200 components = 0.00161412 Jy ! Clean residual min=-0.001515 max=0.001178 Jy/beam ! Clean residual mean=0.000006 rms=0.000422 Jy/beam ! Combined flux in latest and established models = 0.0324426 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 = 0.000202245 Jy ! Component: 100 - total flux cleaned = 0.000344624 Jy ! Component: 150 - total flux cleaned = 0.000511836 Jy ! Component: 200 - total flux cleaned = 0.000648107 Jy ! Total flux subtracted in 200 components = 0.000648107 Jy ! Clean residual min=-0.001390 max=0.001114 Jy/beam ! Clean residual mean=0.000006 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.0330907 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 85 components and 0.0330907 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.599 mas, bmaj=4.157 mas, bpa=-4.177 degrees ! Estimated noise=0.577643 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000336638 Jy ! Component: 100 - total flux cleaned = -0.00024673 Jy ! Component: 150 - total flux cleaned = -0.000129691 Jy ! Component: 200 - total flux cleaned = -2.24743e-05 Jy ! Total flux subtracted in 200 components = -2.24743e-05 Jy ! Clean residual min=-0.001403 max=0.001266 Jy/beam ! Clean residual mean=0.000005 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.0330682 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 107 components and 0.0330682 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.064303Jy sigma=0.456526 ! Fit after self-cal, rms=0.064303Jy sigma=0.456155 wmodel J1837-1532_X_map.mod ! Writing 107 model components to file: J1837-1532_X_map.mod wobs J1837-1532_X_uvs.fits ! Writing UV FITS file: J1837-1532_X_uvs.fits wwins J1837-1532_X_map.win ! wwins: Wrote 2 windows to J1837-1532_X_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 = -0.000358193 Jy ! Component: 100 - total flux cleaned = -0.000496584 Jy ! Component: 150 - total flux cleaned = -0.000433534 Jy ! Component: 200 - total flux cleaned = -0.000353913 Jy ! Component: 250 - total flux cleaned = -0.000298507 Jy ! Component: 300 - total flux cleaned = -0.00028043 Jy ! Component: 350 - total flux cleaned = -0.000262558 Jy ! Component: 400 - total flux cleaned = -0.000246377 Jy ! Component: 450 - total flux cleaned = -0.000277585 Jy ! Component: 500 - total flux cleaned = -0.000293005 Jy ! Component: 550 - total flux cleaned = -0.000293076 Jy ! Component: 600 - total flux cleaned = -0.000222865 Jy ! Component: 650 - total flux cleaned = -0.000209279 Jy ! Component: 700 - total flux cleaned = -0.000222593 Jy ! Component: 750 - total flux cleaned = -0.000222675 Jy ! Component: 800 - total flux cleaned = -0.000197461 Jy ! Component: 850 - total flux cleaned = -0.000185335 Jy ! Component: 900 - total flux cleaned = -0.000173342 Jy ! Component: 950 - total flux cleaned = -0.000185356 Jy ! Component: 1000 - total flux cleaned = -0.000208299 Jy ! Component: 1050 - total flux cleaned = -0.000219573 Jy ! Component: 1100 - total flux cleaned = -0.000263217 Jy ! Component: 1150 - total flux cleaned = -0.000295201 Jy ! Component: 1200 - total flux cleaned = -0.00030563 Jy ! Component: 1250 - total flux cleaned = -0.000326206 Jy ! Component: 1300 - total flux cleaned = -0.000316146 Jy ! Component: 1350 - total flux cleaned = -0.000306388 Jy ! Component: 1400 - total flux cleaned = -0.000287009 Jy ! Component: 1450 - total flux cleaned = -0.000267872 Jy ! Component: 1500 - total flux cleaned = -0.000230416 Jy ! Component: 1550 - total flux cleaned = -0.000202804 Jy ! Component: 1600 - total flux cleaned = -0.000139533 Jy ! Component: 1650 - total flux cleaned = -8.60111e-05 Jy ! Component: 1700 - total flux cleaned = 1.6152e-06 Jy ! Component: 1750 - total flux cleaned = 6.21098e-05 Jy ! Component: 1800 - total flux cleaned = 0.000130276 Jy ! Component: 1850 - total flux cleaned = 0.000197528 Jy ! Component: 1900 - total flux cleaned = 0.000263776 Jy ! Component: 1950 - total flux cleaned = 0.000345423 Jy ! Component: 2000 - total flux cleaned = 0.000401652 Jy ! Component: 2050 - total flux cleaned = 0.000465181 Jy ! Component: 2100 - total flux cleaned = 0.000527589 Jy ! Component: 2150 - total flux cleaned = 0.000558524 Jy ! Component: 2200 - total flux cleaned = 0.000634668 Jy ! Component: 2250 - total flux cleaned = 0.000694569 Jy ! Component: 2300 - total flux cleaned = 0.000738828 Jy ! Component: 2350 - total flux cleaned = 0.00079713 Jy ! Component: 2400 - total flux cleaned = 0.000854575 Jy ! Component: 2450 - total flux cleaned = 0.000918486 Jy ! Component: 2500 - total flux cleaned = 0.000960475 Jy ! Component: 2550 - total flux cleaned = 0.00103651 Jy ! Component: 2600 - total flux cleaned = 0.00108424 Jy ! Component: 2650 - total flux cleaned = 0.0011584 Jy ! Component: 2700 - total flux cleaned = 0.00119816 Jy ! Component: 2750 - total flux cleaned = 0.00125735 Jy ! Component: 2800 - total flux cleaned = 0.00132235 Jy ! Component: 2850 - total flux cleaned = 0.00138015 Jy ! Component: 2900 - total flux cleaned = 0.00142463 Jy ! Component: 2950 - total flux cleaned = 0.00150027 Jy ! Component: 3000 - total flux cleaned = 0.0015626 Jy ! Component: 3050 - total flux cleaned = 0.00162432 Jy ! Component: 3100 - total flux cleaned = 0.00168537 Jy ! Component: 3150 - total flux cleaned = 0.00175186 Jy ! Component: 3200 - total flux cleaned = 0.00178771 Jy ! Component: 3250 - total flux cleaned = 0.00183517 Jy ! Component: 3300 - total flux cleaned = 0.00189385 Jy ! Component: 3350 - total flux cleaned = 0.00195776 Jy ! Component: 3400 - total flux cleaned = 0.00201521 Jy ! Component: 3450 - total flux cleaned = 0.00204938 Jy ! Component: 3500 - total flux cleaned = 0.00211138 Jy ! Component: 3550 - total flux cleaned = 0.00213373 Jy ! Component: 3600 - total flux cleaned = 0.00217253 Jy ! Component: 3650 - total flux cleaned = 0.00220001 Jy ! Component: 3700 - total flux cleaned = 0.00222722 Jy ! Component: 3750 - total flux cleaned = 0.00225414 Jy ! Component: 3800 - total flux cleaned = 0.00226491 Jy ! Component: 3850 - total flux cleaned = 0.00230734 Jy ! Component: 3900 - total flux cleaned = 0.0023283 Jy ! Component: 3950 - total flux cleaned = 0.00235432 Jy ! Component: 4000 - total flux cleaned = 0.00239041 Jy ! Component: 4050 - total flux cleaned = 0.00242619 Jy ! Total flux subtracted in 4096 components = 0.0024261 Jy ! Clean residual min=-0.000286 max=0.000301 Jy/beam ! Clean residual mean=0.000001 rms=0.000102 Jy/beam ! Combined flux in latest and established models = 0.0354943 Jy keep ! Adding 344 model components to the UV plane model. ! The established model now contains 448 components and 0.0354943 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1837-1532_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.599 x 4.157 at -4.177 degrees (North through East) ! Clean map min=-0.003671 max=0.03317 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1837-1532_X_map.fits wmodel /image_prod/ug002_uva//J1837-1532_X_map.mod ! Writing 448 model components to file: /image_prod/ug002_uva//J1837-1532_X_map.mod wobs /image_prod/ug002_uva//J1837-1532_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1837-1532_X_uvs.fits wwins /image_prod/ug002_uva//J1837-1532_X_map.win ! wwins: Wrote 3 windows to /image_prod/ug002_uva//J1837-1532_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0331705 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 9.81041e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.887271 0.887271 1.77454 3.54908 7.09817 14.1963 28.3927 56.7853 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.033 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 338.115 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1837-1532_X_dfm.log closed on Thu Mar 5 03:51:09 2020