! Started logfile: /vlbi/bs262/maps//J0927+5717_X_20180503_dfm.log on Mon Jun 4 23:30:05 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/bs262/maps//J0927+5717_X_20180503_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0927+5717_X_20180503_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.990476 visibilities/baseline/integration-bin. ! Found source: J0927+5717 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 3 lines of history. ! ! Reading 14976 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J0927+5717_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 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002435Jy sigma=23.609506 ! Fit after self-cal, rms=0.941046Jy sigma=22.207063 ! 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=0.6969 mas, bmaj=2.568 mas, bpa=19.88 degrees ! Estimated noise=0.424479 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 = 0.0438241 Jy ! Component: 100 - total flux cleaned = 0.053609 Jy ! Total flux subtracted in 100 components = 0.053609 Jy ! Clean residual min=-0.001759 max=0.003483 Jy/beam ! Clean residual mean=-0.000001 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.053609 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.053609 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=0.035284Jy sigma=0.714370 ! Fit after self-cal, rms=0.035171Jy sigma=0.712029 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0038316 Jy ! Component: 100 - total flux cleaned = 0.00600519 Jy ! Total flux subtracted in 100 components = 0.00600519 Jy ! Clean residual min=-0.001558 max=0.001746 Jy/beam ! Clean residual mean=-0.000000 rms=0.000386 Jy/beam ! Combined flux in latest and established models = 0.0596142 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 10 components and 0.0596142 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=0.034489Jy sigma=0.699377 ! Fit after self-cal, rms=0.034486Jy sigma=0.699289 ! 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=0.9056 mas, bmaj=2.693 mas, bpa=19.27 degrees ! Estimated noise=0.252398 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 = 0.00209217 Jy ! Component: 100 - total flux cleaned = 0.00337356 Jy ! Component: 150 - total flux cleaned = 0.00423272 Jy ! Component: 200 - total flux cleaned = 0.00483292 Jy ! Total flux subtracted in 200 components = 0.00483292 Jy ! Clean residual min=-0.001621 max=0.001470 Jy/beam ! Clean residual mean=0.000001 rms=0.000338 Jy/beam ! Combined flux in latest and established models = 0.0644471 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 43 components and 0.0644471 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=0.034283Jy sigma=0.697179 ! Fit after self-cal, rms=0.034282Jy sigma=0.697141 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9056 x 2.693 at 19.27 degrees (North through East) ! Clean map min=-0.0015524 max=0.058243 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.06 HN 1.00 KP 1.32 ! LA 1.12 MK 1.11 NL 0.94 OV 1.04 ! PT 0.84 SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.90 HN 0.91 KP 0.99 ! LA 1.02 MK 1.00 NL 0.93 OV 1.04 ! PT 0.85 SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.13 HN 0.92 KP 0.97 ! LA 1.04 MK 1.06 NL 0.94 OV 0.92 ! PT 0.85 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 HN 1.08 KP 1.00 ! LA 1.11 MK 1.15 NL 0.94 OV 1.08 ! PT 0.86 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.06 HN 0.96 KP 1.06 ! LA 1.09 MK 1.04 NL 1.03 OV 1.01 ! PT 0.87 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.15 HN 1.00 KP 1.09 ! LA 1.09 MK 1.04 NL 1.02 OV 0.97 ! PT 0.87 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 0.95 KP 0.93 ! LA 1.05 MK 0.98 NL 0.82 OV 1.03 ! PT 0.89 SC 0.89 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.03 HN 1.06 KP 0.91 ! LA 1.16 MK 1.07 NL 0.84 OV 0.97 ! PT 0.80 SC 1.13 ! ! ! Fit before self-cal, rms=0.034282Jy sigma=0.697141 ! Fit after self-cal, rms=0.032762Jy sigma=0.670454 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9124 mas, bmaj=2.701 mas, bpa=19.16 degrees ! Estimated noise=0.252634 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 = -0.000311858 Jy ! Component: 100 - total flux cleaned = -0.000323316 Jy ! Component: 150 - total flux cleaned = -0.000333134 Jy ! Component: 200 - total flux cleaned = -0.000347678 Jy ! Total flux subtracted in 200 components = -0.000347678 Jy ! Clean residual min=-0.000813 max=0.000914 Jy/beam ! Clean residual mean=0.000000 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.0640994 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 57 components and 0.0640995 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=0.032750Jy sigma=0.670260 ! Fit after self-cal, rms=0.032756Jy sigma=0.669991 ! 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=0.032756Jy sigma=0.669991 ! Fit after self-cal, rms=0.032809Jy sigma=0.669464 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9143 mas, bmaj=2.701 mas, bpa=19.09 degrees ! Estimated noise=0.253364 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.77084e-05 Jy ! Component: 100 - total flux cleaned = -7.11752e-05 Jy ! Component: 150 - total flux cleaned = -9.7119e-05 Jy ! Component: 200 - total flux cleaned = -0.000122679 Jy ! Total flux subtracted in 200 components = -0.000122679 Jy ! Clean residual min=-0.000794 max=0.000892 Jy/beam ! Clean residual mean=0.000000 rms=0.000191 Jy/beam ! Combined flux in latest and established models = 0.0639768 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 65 components and 0.0639768 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=0.032804Jy sigma=0.669401 ! Fit after self-cal, rms=0.032804Jy sigma=0.669397 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 (16.2, 20.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000619742 Jy ! Component: 100 - total flux cleaned = 0.000583665 Jy ! Component: 150 - total flux cleaned = 0.000585052 Jy ! Component: 200 - total flux cleaned = 0.000595373 Jy ! Total flux subtracted in 200 components = 0.000595373 Jy ! Clean residual min=-0.000789 max=0.000741 Jy/beam ! Clean residual mean=0.000000 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.0645721 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 85 components and 0.0645721 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=0.032776Jy sigma=0.668951 ! Fit after self-cal, rms=0.032775Jy sigma=0.668904 ! 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=0.032775Jy sigma=0.668904 ! Fit after self-cal, rms=0.032845Jy sigma=0.668146 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9158 mas, bmaj=2.703 mas, bpa=19.03 degrees ! Estimated noise=0.253815 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.73375e-05 Jy ! Component: 100 - total flux cleaned = -3.75184e-05 Jy ! Component: 150 - total flux cleaned = -4.70733e-05 Jy ! Component: 200 - total flux cleaned = -4.72427e-05 Jy ! Total flux subtracted in 200 components = -4.72427e-05 Jy ! Clean residual min=-0.000732 max=0.000764 Jy/beam ! Clean residual mean=0.000001 rms=0.000180 Jy/beam ! Combined flux in latest and established models = 0.0645249 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 96 components and 0.0645249 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=0.032839Jy sigma=0.668040 ! Fit after self-cal, rms=0.032840Jy sigma=0.668030 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 = 1.85998e-05 Jy ! Component: 100 - total flux cleaned = 1.87031e-05 Jy ! Component: 150 - total flux cleaned = 1.88796e-05 Jy ! Component: 200 - total flux cleaned = 2.63711e-05 Jy ! Total flux subtracted in 200 components = 2.63711e-05 Jy ! Clean residual min=-0.000730 max=0.000769 Jy/beam ! Clean residual mean=0.000001 rms=0.000180 Jy/beam ! Combined flux in latest and established models = 0.0645512 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 101 components and 0.0645513 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=0.032836Jy sigma=0.667967 ! Fit after self-cal, rms=0.032836Jy sigma=0.667965 ! Inverting map ! Added new window around map position (32.8, -18.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000549814 Jy ! Component: 100 - total flux cleaned = 0.000481854 Jy ! Component: 150 - total flux cleaned = 0.000436876 Jy ! Component: 200 - total flux cleaned = 0.000416192 Jy ! Total flux subtracted in 200 components = 0.000416192 Jy ! Clean residual min=-0.000708 max=0.000734 Jy/beam ! Clean residual mean=0.000001 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.0649675 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 118 components and 0.0649674 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=0.032820Jy sigma=0.667573 ! Fit after self-cal, rms=0.032820Jy sigma=0.667562 ! 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. ! ! Fit before self-cal, rms=0.032820Jy sigma=0.667562 ! Fit after self-cal, rms=0.032811Jy sigma=0.667545 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.004 mas, bmaj=3.037 mas, bpa=18.73 degrees ! Estimated noise=0.317852 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.26614e-05 Jy ! Component: 100 - total flux cleaned = -5.75993e-05 Jy ! Component: 150 - total flux cleaned = -6.4949e-05 Jy ! Component: 200 - total flux cleaned = -6.51276e-05 Jy ! Total flux subtracted in 200 components = -6.51276e-05 Jy ! Clean residual min=-0.000710 max=0.000765 Jy/beam ! Clean residual mean=0.000002 rms=0.000200 Jy/beam ! Combined flux in latest and established models = 0.0649023 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 133 components and 0.0649023 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=0.032810Jy sigma=0.667502 ! Fit after self-cal, rms=0.032809Jy sigma=0.667498 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 = -1.9156e-05 Jy ! Component: 100 - total flux cleaned = -1.90493e-05 Jy ! Component: 150 - total flux cleaned = -2.94536e-05 Jy ! Component: 200 - total flux cleaned = -2.93567e-05 Jy ! Total flux subtracted in 200 components = -2.93567e-05 Jy ! Clean residual min=-0.000705 max=0.000763 Jy/beam ! Clean residual mean=0.000002 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.0648729 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 142 components and 0.0648729 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=0.032809Jy sigma=0.667490 ! Fit after self-cal, rms=0.032809Jy sigma=0.667488 ! 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=0.917 mas, bmaj=2.704 mas, bpa=19.02 degrees ! Estimated noise=0.253712 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.917 x 2.704 at 19.02 degrees (North through East) ! Clean map min=-0.00062263 max=0.058529 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=0.7065 mas, bmaj=2.567 mas, bpa=19.71 degrees ! Estimated noise=0.436322 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0450487 Jy ! Component: 100 - total flux cleaned = 0.0549158 Jy ! Component: 150 - total flux cleaned = 0.0581333 Jy ! Component: 200 - total flux cleaned = 0.0593551 Jy ! Total flux subtracted in 200 components = 0.0593551 Jy ! Clean residual min=-0.001285 max=0.001259 Jy/beam ! Clean residual mean=-0.000000 rms=0.000307 Jy/beam ! Combined flux in latest and established models = 0.0593551 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0593551 Jy ! Inverting map and beam ! Estimated beam: bmin=0.917 mas, bmaj=2.704 mas, bpa=19.02 degrees ! Estimated noise=0.253712 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 = 0.00148319 Jy ! Component: 100 - total flux cleaned = 0.0024961 Jy ! Component: 150 - total flux cleaned = 0.00328712 Jy ! Component: 200 - total flux cleaned = 0.00380706 Jy ! Total flux subtracted in 200 components = 0.00380706 Jy ! Clean residual min=-0.000730 max=0.000757 Jy/beam ! Clean residual mean=0.000000 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.0631622 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 34 components and 0.0631622 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=2.004 mas, bmaj=3.037 mas, bpa=18.73 degrees ! Estimated noise=0.317852 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000703759 Jy ! Component: 100 - total flux cleaned = 0.000936089 Jy ! Component: 150 - total flux cleaned = 0.00104559 Jy ! Component: 200 - total flux cleaned = 0.00115253 Jy ! Total flux subtracted in 200 components = 0.00115253 Jy ! Clean residual min=-0.000754 max=0.000805 Jy/beam ! Clean residual mean=0.000001 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.0643147 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 = 8.15854e-05 Jy ! Component: 100 - total flux cleaned = 0.00011312 Jy ! Component: 150 - total flux cleaned = 0.00016012 Jy ! Component: 200 - total flux cleaned = 0.000185648 Jy ! Total flux subtracted in 200 components = 0.000185648 Jy ! Clean residual min=-0.000732 max=0.000732 Jy/beam ! Clean residual mean=0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.0645004 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 80 components and 0.0645004 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.917 mas, bmaj=2.704 mas, bpa=19.02 degrees ! Estimated noise=0.253712 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.19065e-05 Jy ! Component: 100 - total flux cleaned = -5.00668e-05 Jy ! Component: 150 - total flux cleaned = -2.44527e-05 Jy ! Component: 200 - total flux cleaned = -2.43265e-05 Jy ! Total flux subtracted in 200 components = -2.43265e-05 Jy ! Clean residual min=-0.000719 max=0.000731 Jy/beam ! Clean residual mean=0.000001 rms=0.000175 Jy/beam ! Combined flux in latest and established models = 0.064476 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 102 components and 0.064476 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=0.032826Jy sigma=0.667805 ! Fit after self-cal, rms=0.032824Jy sigma=0.667786 wmodel J0927+5717_X_map.mod ! Writing 102 model components to file: J0927+5717_X_map.mod wobs J0927+5717_X_uvs.fits ! Writing UV FITS file: J0927+5717_X_uvs.fits wwins J0927+5717_X_map.win ! wwins: Wrote 3 windows to J0927+5717_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 = 0.000235865 Jy ! Component: 100 - total flux cleaned = 0.000403167 Jy ! Component: 150 - total flux cleaned = 0.000391144 Jy ! Component: 200 - total flux cleaned = 0.000426271 Jy ! Component: 250 - total flux cleaned = 0.00043772 Jy ! Component: 300 - total flux cleaned = 0.000471437 Jy ! Component: 350 - total flux cleaned = 0.000471469 Jy ! Component: 400 - total flux cleaned = 0.000471569 Jy ! Component: 450 - total flux cleaned = 0.000450428 Jy ! Component: 500 - total flux cleaned = 0.000440081 Jy ! Component: 550 - total flux cleaned = 0.000419564 Jy ! Component: 600 - total flux cleaned = 0.0004197 Jy ! Component: 650 - total flux cleaned = 0.00043973 Jy ! Component: 700 - total flux cleaned = 0.000449742 Jy ! Component: 750 - total flux cleaned = 0.000469275 Jy ! Component: 800 - total flux cleaned = 0.000469191 Jy ! Component: 850 - total flux cleaned = 0.000497979 Jy ! Component: 900 - total flux cleaned = 0.00049791 Jy ! Component: 950 - total flux cleaned = 0.000507167 Jy ! Component: 1000 - total flux cleaned = 0.000525733 Jy ! Component: 1050 - total flux cleaned = 0.000544038 Jy ! Component: 1100 - total flux cleaned = 0.000544115 Jy ! Component: 1150 - total flux cleaned = 0.000589396 Jy ! Component: 1200 - total flux cleaned = 0.000589367 Jy ! Component: 1250 - total flux cleaned = 0.000633982 Jy ! Component: 1300 - total flux cleaned = 0.0006339 Jy ! Component: 1350 - total flux cleaned = 0.000721502 Jy ! Component: 1400 - total flux cleaned = 0.000704009 Jy ! Component: 1450 - total flux cleaned = 0.000764468 Jy ! Component: 1500 - total flux cleaned = 0.000764346 Jy ! Component: 1550 - total flux cleaned = 0.000824002 Jy ! Component: 1600 - total flux cleaned = 0.000823903 Jy ! Component: 1650 - total flux cleaned = 0.000907869 Jy ! Component: 1700 - total flux cleaned = 0.000924416 Jy ! Component: 1750 - total flux cleaned = 0.000957611 Jy ! Component: 1800 - total flux cleaned = 0.000974069 Jy ! Component: 1850 - total flux cleaned = 0.00100691 Jy ! Component: 1900 - total flux cleaned = 0.00104764 Jy ! Component: 1950 - total flux cleaned = 0.00112036 Jy ! Component: 2000 - total flux cleaned = 0.00112839 Jy ! Component: 2050 - total flux cleaned = 0.00120816 Jy ! Component: 2100 - total flux cleaned = 0.00125567 Jy ! Component: 2150 - total flux cleaned = 0.00126352 Jy ! Component: 2200 - total flux cleaned = 0.00134963 Jy ! Component: 2250 - total flux cleaned = 0.00137298 Jy ! Component: 2300 - total flux cleaned = 0.00142721 Jy ! Component: 2350 - total flux cleaned = 0.00140407 Jy ! Component: 2400 - total flux cleaned = 0.00147308 Jy ! Component: 2450 - total flux cleaned = 0.00151118 Jy ! Component: 2500 - total flux cleaned = 0.00153392 Jy ! Component: 2550 - total flux cleaned = 0.00160179 Jy ! Component: 2600 - total flux cleaned = 0.00165419 Jy ! Component: 2650 - total flux cleaned = 0.00168394 Jy ! Component: 2700 - total flux cleaned = 0.00170618 Jy ! Component: 2750 - total flux cleaned = 0.00177991 Jy ! Component: 2800 - total flux cleaned = 0.00180187 Jy ! Component: 2850 - total flux cleaned = 0.00179457 Jy ! Component: 2900 - total flux cleaned = 0.00183816 Jy ! Component: 2950 - total flux cleaned = 0.00184541 Jy ! Component: 3000 - total flux cleaned = 0.00187425 Jy ! Component: 3050 - total flux cleaned = 0.0019172 Jy ! Component: 3100 - total flux cleaned = 0.00195283 Jy ! Component: 3150 - total flux cleaned = 0.00197412 Jy ! Component: 3200 - total flux cleaned = 0.00201649 Jy ! Component: 3250 - total flux cleaned = 0.00206571 Jy ! Component: 3300 - total flux cleaned = 0.00205168 Jy ! Component: 3350 - total flux cleaned = 0.00206566 Jy ! Component: 3400 - total flux cleaned = 0.00212119 Jy ! Component: 3450 - total flux cleaned = 0.00214194 Jy ! Component: 3500 - total flux cleaned = 0.00216946 Jy ! Component: 3550 - total flux cleaned = 0.00221054 Jy ! Component: 3600 - total flux cleaned = 0.00221049 Jy ! Component: 3650 - total flux cleaned = 0.00225795 Jy ! Component: 3700 - total flux cleaned = 0.00227145 Jy ! Component: 3750 - total flux cleaned = 0.00229836 Jy ! Component: 3800 - total flux cleaned = 0.00231173 Jy ! Component: 3850 - total flux cleaned = 0.00234505 Jy ! Component: 3900 - total flux cleaned = 0.00236494 Jy ! Component: 3950 - total flux cleaned = 0.00236497 Jy ! Component: 4000 - total flux cleaned = 0.00240453 Jy ! Component: 4050 - total flux cleaned = 0.00242421 Jy ! Total flux subtracted in 4096 components = 0.00241116 Jy ! Clean residual min=-0.000400 max=0.000407 Jy/beam ! Clean residual mean=0.000000 rms=0.000119 Jy/beam ! Combined flux in latest and established models = 0.0668872 Jy keep ! Adding 311 model components to the UV plane model. ! The established model now contains 413 components and 0.0668872 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0927+5717_X_20180503_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.917 x 2.704 at 19.02 degrees (North through East) ! Clean map min=-0.00066699 max=0.058752 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0927+5717_X_20180503_map.fits wmodel /vlbi/bs262/maps//J0927+5717_X_20180503_map.mod ! Writing 413 model components to file: /vlbi/bs262/maps//J0927+5717_X_20180503_map.mod wobs /vlbi/bs262/maps//J0927+5717_X_20180503_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0927+5717_X_20180503_uvs.fits wwins /vlbi/bs262/maps//J0927+5717_X_20180503_map.win ! wwins: Wrote 4 windows to /vlbi/bs262/maps//J0927+5717_X_20180503_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0587525 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000118438 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.604765 0.604765 1.20953 2.41906 4.83812 9.67624 19.3525 38.705 77.4099 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.058 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 496.06 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0927+5717_X_20180503_dfm.log closed on Mon Jun 4 23:30:10 2018