! Started logfile: /image_prod/ug002_uva//J1935+2031_X_dfm.log on Thu Mar 5 04:16:27 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//J1935+2031_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1935+2031_X_uva.fits ! AN table 1: 90 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.977778 visibilities/baseline/integration-bin. ! Found source: J1935+2031 ! ! 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 134 lines of history. ! ! Reading 47520 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 J1935+2031_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 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 13 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.141634Jy sigma=8.415821 ! Fit after self-cal, rms=0.457832Jy sigma=3.406909 ! 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=0.6916 mas, bmaj=1.515 mas, bpa=-3.942 degrees ! Estimated noise=0.886476 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 = 0.415235 Jy ! Component: 100 - total flux cleaned = 0.513685 Jy ! Total flux subtracted in 100 components = 0.513685 Jy ! Clean residual min=-0.021165 max=0.038603 Jy/beam ! Clean residual mean=0.000010 rms=0.003761 Jy/beam ! Combined flux in latest and established models = 0.513685 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.513685 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=0.118076Jy sigma=0.825623 ! Fit after self-cal, rms=0.118056Jy sigma=0.825427 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0405958 Jy ! Component: 100 - total flux cleaned = 0.0611032 Jy ! Total flux subtracted in 100 components = 0.0611032 Jy ! Clean residual min=-0.018492 max=0.021693 Jy/beam ! Clean residual mean=0.000003 rms=0.003033 Jy/beam ! Combined flux in latest and established models = 0.574788 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 0.574788 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=0.101219Jy sigma=0.692264 ! Fit after self-cal, rms=0.101165Jy sigma=0.691803 ! Inverting map ! Added new window around map position (-2, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0193728 Jy ! Component: 100 - total flux cleaned = 0.0314415 Jy ! Total flux subtracted in 100 components = 0.0314415 Jy ! Clean residual min=-0.017096 max=0.018543 Jy/beam ! Clean residual mean=-0.000000 rms=0.002830 Jy/beam ! Combined flux in latest and established models = 0.60623 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 20 components and 0.60623 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=0.096798Jy sigma=0.659457 ! Fit after self-cal, rms=0.096499Jy sigma=0.656674 ! 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=0.9036 mas, bmaj=1.813 mas, bpa=-3.975 degrees ! Estimated noise=0.445294 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 (2.2, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0110236 Jy ! Component: 100 - total flux cleaned = 0.016394 Jy ! Component: 150 - total flux cleaned = 0.0187401 Jy ! Component: 200 - total flux cleaned = 0.0204376 Jy ! Total flux subtracted in 200 components = 0.0204376 Jy ! Clean residual min=-0.014743 max=0.012590 Jy/beam ! Clean residual mean=-0.000006 rms=0.002950 Jy/beam ! Combined flux in latest and established models = 0.626667 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 42 components and 0.626668 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=0.091487Jy sigma=0.622508 ! Fit after self-cal, rms=0.091353Jy sigma=0.621378 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9036 x 1.813 at -3.975 degrees (North through East) ! Clean map min=-0.013887 max=0.54694 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.03 HN 0.89 KP 1.08 ! LA 1.06 MK 1.04 NL 1.14 OV 0.93 ! PT 0.93 SC 1.04 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 HN 0.87 KP 1.07 ! LA 1.06 MK 1.03 NL 1.12 OV 0.93 ! PT 0.92 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.03 HN 0.88 KP 1.08 ! LA 1.05 MK 1.05 NL 1.13 OV 0.92 ! PT 0.92 SC 1.03 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 0.91 KP 1.07 ! LA 1.05 MK 1.04 NL 1.14 OV 0.92 ! PT 0.92 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.03 HN 0.88 KP 1.08 ! LA 1.04 MK 1.04 NL 1.13 OV 0.92 ! PT 0.92 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.02 HN 0.87 KP 1.06 ! LA 1.04 MK 1.04 NL 1.13 OV 0.91 ! PT 0.92 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 HN 0.87 KP 1.08 ! LA 1.04 MK 1.02 NL 1.11 OV 0.92 ! PT 0.92 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 HN 0.88 KP 1.06 ! LA 1.04 MK 1.02 NL 1.12 OV 0.90 ! PT 0.92 SC 1.03 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 HN 0.87 KP 1.07 ! LA 1.03 MK 1.03 NL 1.13 OV 0.91 ! PT 0.92 SC 1.02 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 HN 0.88 KP 1.06 ! LA 1.04 MK 1.02 NL 1.12 OV 0.92 ! PT 0.91 SC 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 0.87 KP 1.07 ! LA 1.03 MK 1.02 NL 1.12 OV 0.91 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 HN 0.87 KP 1.06 ! LA 1.05 MK 1.03 NL 1.11 OV 0.91 ! PT 0.91 SC 1.02 ! ! ! Fit before self-cal, rms=0.091353Jy sigma=0.621378 ! Fit after self-cal, rms=0.068394Jy sigma=0.460162 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.906 mas, bmaj=1.813 mas, bpa=-4.134 degrees ! Estimated noise=0.441632 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 = -0.00421607 Jy ! Component: 100 - total flux cleaned = -0.00350495 Jy ! Component: 150 - total flux cleaned = -0.00235226 Jy ! Component: 200 - total flux cleaned = -0.00218225 Jy ! Total flux subtracted in 200 components = -0.00218225 Jy ! Clean residual min=-0.005250 max=0.006693 Jy/beam ! Clean residual mean=-0.000007 rms=0.001322 Jy/beam ! Combined flux in latest and established models = 0.624485 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 59 components and 0.624485 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=0.066692Jy sigma=0.446467 ! Fit after self-cal, rms=0.066638Jy sigma=0.445735 ! Inverting map ! Added new window around map position (-11.6, 27.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00510787 Jy ! Component: 100 - total flux cleaned = 0.00509975 Jy ! Component: 150 - total flux cleaned = 0.00523404 Jy ! Component: 200 - total flux cleaned = 0.00522659 Jy ! Total flux subtracted in 200 components = 0.00522659 Jy ! Clean residual min=-0.005039 max=0.006413 Jy/beam ! Clean residual mean=-0.000005 rms=0.001243 Jy/beam ! Combined flux in latest and established models = 0.629712 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 81 components and 0.629712 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=0.065701Jy sigma=0.440810 ! Fit after self-cal, rms=0.065658Jy sigma=0.440414 ! 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=0.065658Jy sigma=0.440414 ! Fit after self-cal, rms=0.059745Jy sigma=0.407721 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9053 mas, bmaj=1.812 mas, bpa=-4.218 degrees ! Estimated noise=0.4432 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00241268 Jy ! Component: 100 - total flux cleaned = -0.00448552 Jy ! Component: 150 - total flux cleaned = -0.00537214 Jy ! Component: 200 - total flux cleaned = -0.00601504 Jy ! Total flux subtracted in 200 components = -0.00601504 Jy ! Clean residual min=-0.003319 max=0.005476 Jy/beam ! Clean residual mean=0.000001 rms=0.000635 Jy/beam ! Combined flux in latest and established models = 0.623697 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 89 components and 0.623697 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=0.059034Jy sigma=0.402224 ! Fit after self-cal, rms=0.059037Jy sigma=0.401998 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 (-0.6, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00427379 Jy ! Component: 100 - total flux cleaned = 0.00365447 Jy ! Component: 150 - total flux cleaned = 0.00285415 Jy ! Component: 200 - total flux cleaned = 0.00200168 Jy ! Total flux subtracted in 200 components = 0.00200168 Jy ! Clean residual min=-0.002740 max=0.002555 Jy/beam ! Clean residual mean=0.000000 rms=0.000529 Jy/beam ! Combined flux in latest and established models = 0.625699 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 109 components and 0.625699 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=0.058539Jy sigma=0.398395 ! Fit after self-cal, rms=0.058519Jy sigma=0.398206 ! 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=0.058519Jy sigma=0.398206 ! Fit after self-cal, rms=0.058540Jy sigma=0.397077 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9055 mas, bmaj=1.81 mas, bpa=-4.237 degrees ! Estimated noise=0.443295 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0012863 Jy ! Component: 100 - total flux cleaned = -0.00193251 Jy ! Component: 150 - total flux cleaned = -0.00241513 Jy ! Component: 200 - total flux cleaned = -0.00269942 Jy ! Total flux subtracted in 200 components = -0.00269942 Jy ! Clean residual min=-0.002181 max=0.001945 Jy/beam ! Clean residual mean=0.000000 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.622999 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 124 components and 0.622999 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=0.058291Jy sigma=0.395153 ! Fit after self-cal, rms=0.058290Jy sigma=0.395113 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 = -0.000120319 Jy ! Component: 100 - total flux cleaned = -0.000360034 Jy ! Component: 150 - total flux cleaned = -0.000416776 Jy ! Component: 200 - total flux cleaned = -0.000520506 Jy ! Total flux subtracted in 200 components = -0.000520506 Jy ! Clean residual min=-0.001931 max=0.001809 Jy/beam ! Clean residual mean=0.000000 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.622479 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 134 components and 0.622479 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=0.058192Jy sigma=0.394293 ! Fit after self-cal, rms=0.058190Jy sigma=0.394276 ! 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=0.058190Jy sigma=0.394276 ! Fit after self-cal, rms=0.058247Jy sigma=0.393903 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.102 mas, bmaj=2.735 mas, bpa=-4.373 degrees ! Estimated noise=0.574033 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00119022 Jy ! Component: 100 - total flux cleaned = -0.00194957 Jy ! Component: 150 - total flux cleaned = -0.00247108 Jy ! Component: 200 - total flux cleaned = -0.00291879 Jy ! Total flux subtracted in 200 components = -0.00291879 Jy ! Clean residual min=-0.001681 max=0.001814 Jy/beam ! Clean residual mean=0.000000 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.61956 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 162 components and 0.61956 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=0.058162Jy sigma=0.393256 ! Fit after self-cal, rms=0.058160Jy sigma=0.393228 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 = -0.000459095 Jy ! Component: 100 - total flux cleaned = -0.000736846 Jy ! Component: 150 - total flux cleaned = -0.000879167 Jy ! Component: 200 - total flux cleaned = -0.000976859 Jy ! Total flux subtracted in 200 components = -0.000976859 Jy ! Clean residual min=-0.001597 max=0.001724 Jy/beam ! Clean residual mean=0.000000 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.618583 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 177 components and 0.618583 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=0.058138Jy sigma=0.393032 ! Fit after self-cal, rms=0.058136Jy sigma=0.393026 ! 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=0.9056 mas, bmaj=1.81 mas, bpa=-4.239 degrees ! Estimated noise=0.443219 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9056 x 1.81 at -4.239 degrees (North through East) ! Clean map min=-0.0033695 max=0.5444 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 ! Performing amp+phase self-cal ! ! 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=0.058136Jy sigma=0.393026 ! Fit after self-cal, rms=0.054650Jy sigma=0.363693 ! Inverting map and beam ! Estimated beam: bmin=0.9056 mas, bmaj=1.808 mas, bpa=-4.245 degrees ! Estimated noise=0.443293 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000544673 Jy ! Component: 100 - total flux cleaned = -0.000704783 Jy ! Component: 150 - total flux cleaned = -0.000753132 Jy ! Component: 200 - total flux cleaned = -0.000837696 Jy ! Total flux subtracted in 200 components = -0.000837696 Jy ! Clean residual min=-0.001631 max=0.001550 Jy/beam ! Clean residual mean=0.000000 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.617745 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 194 components and 0.617745 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=0.054558Jy sigma=0.362985 ! Fit after self-cal, rms=0.054556Jy sigma=0.362966 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.43423e-05 Jy ! Component: 100 - total flux cleaned = -0.000118857 Jy ! Component: 150 - total flux cleaned = -0.000187862 Jy ! Component: 200 - total flux cleaned = -0.000220393 Jy ! Total flux subtracted in 200 components = -0.000220393 Jy ! Clean residual min=-0.001558 max=0.001457 Jy/beam ! Clean residual mean=0.000000 rms=0.000313 Jy/beam ! Combined flux in latest and established models = 0.617525 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 202 components and 0.617525 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=0.054514Jy sigma=0.362620 ! Fit after self-cal, rms=0.054512Jy sigma=0.362612 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.054512Jy sigma=0.362612 ! Fit after self-cal, rms=0.054568Jy sigma=0.362471 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=0.6955 mas, bmaj=1.513 mas, bpa=-4.218 degrees ! Estimated noise=0.880788 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.41248 Jy ! Component: 100 - total flux cleaned = 0.510549 Jy ! Component: 150 - total flux cleaned = 0.550355 Jy ! Component: 200 - total flux cleaned = 0.570323 Jy ! Total flux subtracted in 200 components = 0.570323 Jy ! Clean residual min=-0.004829 max=0.010110 Jy/beam ! Clean residual mean=0.000005 rms=0.000962 Jy/beam ! Combined flux in latest and established models = 0.570323 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.570323 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9056 mas, bmaj=1.808 mas, bpa=-4.241 degrees ! Estimated noise=0.443255 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 = 0.0166566 Jy ! Component: 100 - total flux cleaned = 0.0258605 Jy ! Component: 150 - total flux cleaned = 0.0318176 Jy ! Component: 200 - total flux cleaned = 0.0360423 Jy ! Total flux subtracted in 200 components = 0.0360423 Jy ! Clean residual min=-0.002021 max=0.002383 Jy/beam ! Clean residual mean=0.000002 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.606365 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 41 components and 0.606365 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00277277 Jy ! Component: 100 - total flux cleaned = 0.00445881 Jy ! Component: 150 - total flux cleaned = 0.00585676 Jy ! Component: 200 - total flux cleaned = 0.00670106 Jy ! Total flux subtracted in 200 components = 0.00670106 Jy ! Clean residual min=-0.001847 max=0.001494 Jy/beam ! Clean residual mean=0.000001 rms=0.000341 Jy/beam ! Combined flux in latest and established models = 0.613066 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 58 components and 0.613066 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=2.103 mas, bmaj=2.733 mas, bpa=-4.42 degrees ! Estimated noise=0.57427 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178891 Jy ! Component: 100 - total flux cleaned = 0.00209707 Jy ! Component: 150 - total flux cleaned = 0.00226514 Jy ! Component: 200 - total flux cleaned = 0.002303 Jy ! Total flux subtracted in 200 components = 0.002303 Jy ! Clean residual min=-0.001494 max=0.001520 Jy/beam ! Clean residual mean=0.000001 rms=0.000379 Jy/beam ! Combined flux in latest and established models = 0.615369 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 = -3.22496e-05 Jy ! Component: 100 - total flux cleaned = -6.10179e-05 Jy ! Component: 150 - total flux cleaned = -8.6454e-05 Jy ! Component: 200 - total flux cleaned = -6.30499e-05 Jy ! Total flux subtracted in 200 components = -6.30499e-05 Jy ! Clean residual min=-0.001441 max=0.001439 Jy/beam ! Clean residual mean=0.000000 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 0.615306 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 100 components and 0.615306 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9056 mas, bmaj=1.808 mas, bpa=-4.241 degrees ! Estimated noise=0.443255 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000450624 Jy ! Component: 100 - total flux cleaned = 0.000543823 Jy ! Component: 150 - total flux cleaned = 0.000667296 Jy ! Component: 200 - total flux cleaned = 0.000705336 Jy ! Total flux subtracted in 200 components = 0.000705336 Jy ! Clean residual min=-0.001506 max=0.001369 Jy/beam ! Clean residual mean=0.000000 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 0.616012 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 119 components and 0.616012 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=0.054624Jy sigma=0.362643 ! Fit after self-cal, rms=0.054594Jy sigma=0.362436 wmodel J1935+2031_X_map.mod ! Writing 119 model components to file: J1935+2031_X_map.mod wobs J1935+2031_X_uvs.fits ! Writing UV FITS file: J1935+2031_X_uvs.fits wwins J1935+2031_X_map.win ! wwins: Wrote 5 windows to J1935+2031_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 = -0.000603478 Jy ! Component: 100 - total flux cleaned = -0.000827154 Jy ! Component: 150 - total flux cleaned = -0.000897745 Jy ! Component: 200 - total flux cleaned = -0.000964781 Jy ! Component: 250 - total flux cleaned = -0.00100789 Jy ! Component: 300 - total flux cleaned = -0.00113267 Jy ! Component: 350 - total flux cleaned = -0.00111191 Jy ! Component: 400 - total flux cleaned = -0.00117118 Jy ! Component: 450 - total flux cleaned = -0.00122905 Jy ! Component: 500 - total flux cleaned = -0.001305 Jy ! Component: 550 - total flux cleaned = -0.00132352 Jy ! Component: 600 - total flux cleaned = -0.00130567 Jy ! Component: 650 - total flux cleaned = -0.00126996 Jy ! Component: 700 - total flux cleaned = -0.00118198 Jy ! Component: 750 - total flux cleaned = -0.00111276 Jy ! Component: 800 - total flux cleaned = -0.00102748 Jy ! Component: 850 - total flux cleaned = -0.000943576 Jy ! Component: 900 - total flux cleaned = -0.000877332 Jy ! Component: 950 - total flux cleaned = -0.000844541 Jy ! Component: 1000 - total flux cleaned = -0.000780183 Jy ! Component: 1050 - total flux cleaned = -0.000732875 Jy ! Component: 1100 - total flux cleaned = -0.00065498 Jy ! Component: 1150 - total flux cleaned = -0.000655256 Jy ! Component: 1200 - total flux cleaned = -0.000639961 Jy ! Component: 1250 - total flux cleaned = -0.000640169 Jy ! Component: 1300 - total flux cleaned = -0.000655086 Jy ! Component: 1350 - total flux cleaned = -0.000625756 Jy ! Component: 1400 - total flux cleaned = -0.000683872 Jy ! Component: 1450 - total flux cleaned = -0.000712346 Jy ! Component: 1500 - total flux cleaned = -0.000684217 Jy ! Component: 1550 - total flux cleaned = -0.000740135 Jy ! Component: 1600 - total flux cleaned = -0.000740053 Jy ! Component: 1650 - total flux cleaned = -0.000781306 Jy ! Component: 1700 - total flux cleaned = -0.000808204 Jy ! Component: 1750 - total flux cleaned = -0.00080838 Jy ! Component: 1800 - total flux cleaned = -0.000821673 Jy ! Component: 1850 - total flux cleaned = -0.000860908 Jy ! Component: 1900 - total flux cleaned = -0.000822018 Jy ! Component: 1950 - total flux cleaned = -0.000860454 Jy ! Component: 2000 - total flux cleaned = -0.000835102 Jy ! Component: 2050 - total flux cleaned = -0.000835228 Jy ! Component: 2100 - total flux cleaned = -0.000872451 Jy ! Component: 2150 - total flux cleaned = -0.000872532 Jy ! Component: 2200 - total flux cleaned = -0.00082352 Jy ! Component: 2250 - total flux cleaned = -0.000811239 Jy ! Component: 2300 - total flux cleaned = -0.000847558 Jy ! Component: 2350 - total flux cleaned = -0.000787925 Jy ! Component: 2400 - total flux cleaned = -0.000811641 Jy ! Component: 2450 - total flux cleaned = -0.000776395 Jy ! Component: 2500 - total flux cleaned = -0.000764775 Jy ! Component: 2550 - total flux cleaned = -0.000753417 Jy ! Component: 2600 - total flux cleaned = -0.00073047 Jy ! Component: 2650 - total flux cleaned = -0.000730521 Jy ! Component: 2700 - total flux cleaned = -0.000707971 Jy ! Component: 2750 - total flux cleaned = -0.00066325 Jy ! Component: 2800 - total flux cleaned = -0.00059677 Jy ! Component: 2850 - total flux cleaned = -0.000607729 Jy ! Component: 2900 - total flux cleaned = -0.000596744 Jy ! Component: 2950 - total flux cleaned = -0.000564286 Jy ! Component: 3000 - total flux cleaned = -0.000542822 Jy ! Component: 3050 - total flux cleaned = -0.00053199 Jy ! Component: 3100 - total flux cleaned = -0.000552987 Jy ! Component: 3150 - total flux cleaned = -0.000521523 Jy ! Component: 3200 - total flux cleaned = -0.000511084 Jy ! Component: 3250 - total flux cleaned = -0.000500649 Jy ! Component: 3300 - total flux cleaned = -0.000500595 Jy ! Component: 3350 - total flux cleaned = -0.00043957 Jy ! Component: 3400 - total flux cleaned = -0.000459871 Jy ! Component: 3450 - total flux cleaned = -0.000389876 Jy ! Component: 3500 - total flux cleaned = -0.000369934 Jy ! Component: 3550 - total flux cleaned = -0.000359926 Jy ! Component: 3600 - total flux cleaned = -0.000291195 Jy ! Component: 3650 - total flux cleaned = -0.000271641 Jy ! Component: 3700 - total flux cleaned = -0.000281323 Jy ! Component: 3750 - total flux cleaned = -0.000204271 Jy ! Component: 3800 - total flux cleaned = -0.000166005 Jy ! Component: 3850 - total flux cleaned = -0.000175526 Jy ! Component: 3900 - total flux cleaned = -0.000118907 Jy ! Component: 3950 - total flux cleaned = -0.000100231 Jy ! Component: 4000 - total flux cleaned = -5.36656e-05 Jy ! Component: 4050 - total flux cleaned = -8.14011e-05 Jy ! Total flux subtracted in 4096 components = -7.88786e-06 Jy ! Clean residual min=-0.000458 max=0.000474 Jy/beam ! Clean residual mean=0.000000 rms=0.000156 Jy/beam ! Combined flux in latest and established models = 0.616004 Jy keep ! Adding 312 model components to the UV plane model. ! The established model now contains 430 components and 0.616004 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1935+2031_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9056 x 1.808 at -4.241 degrees (North through East) ! Clean map min=-0.0019723 max=0.5451 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1935+2031_X_map.fits wmodel /image_prod/ug002_uva//J1935+2031_X_map.mod ! Writing 430 model components to file: /image_prod/ug002_uva//J1935+2031_X_map.mod wobs /image_prod/ug002_uva//J1935+2031_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1935+2031_X_uvs.fits wwins /image_prod/ug002_uva//J1935+2031_X_map.win ! wwins: Wrote 6 windows to /image_prod/ug002_uva//J1935+2031_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.545095 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000156323 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0860343 0.0860343 0.172069 0.344137 0.688274 1.37655 2.7531 5.5062 11.0124 22.0248 44.0496 88.0991 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.545 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3486.98 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1935+2031_X_dfm.log closed on Thu Mar 5 04:16:33 2020