! Started logfile: /vlbi/uf001/uva//J1821+6818_X_dfm.log on Mon Jan 14 04:35:25 2019 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 /vlbi/uf001/uva//J1821+6818_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1821+6818_X_uva.fits ! AN table 1: 116 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.830077 visibilities/baseline/integration-bin. ! Found source: J1821+6818 ! ! 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 51996 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 J1821+6818_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 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.049789Jy sigma=20.734039 ! Fit after self-cal, rms=0.707512Jy sigma=13.915603 ! 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=0.7727 mas, bmaj=0.7919 mas, bpa=62.18 degrees ! Estimated noise=0.35763 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 = 0.233263 Jy ! Component: 100 - total flux cleaned = 0.284129 Jy ! Total flux subtracted in 100 components = 0.284129 Jy ! Clean residual min=-0.010684 max=0.014208 Jy/beam ! Clean residual mean=-0.000001 rms=0.001969 Jy/beam ! Combined flux in latest and established models = 0.284129 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.284129 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=0.088775Jy sigma=1.726344 ! Fit after self-cal, rms=0.088617Jy sigma=1.722524 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00862794 Jy ! Component: 100 - total flux cleaned = 0.00948589 Jy ! Total flux subtracted in 100 components = 0.00948589 Jy ! Clean residual min=-0.009138 max=0.010680 Jy/beam ! Clean residual mean=-0.000000 rms=0.001853 Jy/beam ! Combined flux in latest and established models = 0.293615 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.293615 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=0.087176Jy sigma=1.692006 ! Fit after self-cal, rms=0.087169Jy sigma=1.691906 ! 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=1.003 mas, bmaj=1.037 mas, bpa=47.65 degrees ! Estimated noise=0.167569 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 = 0.00307424 Jy ! Component: 100 - total flux cleaned = 0.0029184 Jy ! Component: 150 - total flux cleaned = 0.00291147 Jy ! Component: 200 - total flux cleaned = 0.00291003 Jy ! Total flux subtracted in 200 components = 0.00291003 Jy ! Clean residual min=-0.009174 max=0.011282 Jy/beam ! Clean residual mean=-0.000007 rms=0.002323 Jy/beam ! Combined flux in latest and established models = 0.296525 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 8 components and 0.296525 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=0.086788Jy sigma=1.684322 ! Fit after self-cal, rms=0.086774Jy sigma=1.684146 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.003 x 1.037 at 47.65 degrees (North through East) ! Clean map min=-0.0088201 max=0.29802 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.10 HN 0.93 KP 0.88 ! LA 0.94 MK 1.02 NL 1.18 OV 1.03 ! PT 1.00* SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.11 HN 0.92 KP 0.88 ! LA 0.93 MK 1.03 NL 1.17 OV 1.02 ! PT 1.00* SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.10 HN 0.93 KP 0.89 ! LA 0.93 MK 1.04 NL 1.15 OV 1.02 ! PT 1.00* SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.09 HN 0.92 KP 0.87 ! LA 0.91 MK 1.03 NL 1.16 OV 1.02 ! PT 1.00* SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.11 HN 0.93 KP 0.89 ! LA 0.92 MK 1.01 NL 1.15 OV 1.01 ! PT 1.00* SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.08 HN 0.92 KP 0.87 ! LA 0.92 MK 1.04 NL 1.15 OV 1.02 ! PT 1.00* SC 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.10 HN 0.92 KP 0.86 ! LA 0.92 MK 1.02 NL 1.14 OV 1.00 ! PT 1.00* SC 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.09 HN 0.92 KP 0.87 ! LA 0.91 MK 1.01 NL 1.14 OV 1.00 ! PT 1.00* SC 0.92 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.08 HN 0.91 KP 0.86 ! LA 0.92 MK 1.02 NL 1.15 OV 0.99 ! PT 1.00* SC 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.08 HN 0.92 KP 0.87 ! LA 0.91 MK 1.02 NL 1.13 OV 1.00 ! PT 1.00* SC 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.08 HN 0.91 KP 0.84 ! LA 0.91 MK 0.97 NL 1.14 OV 1.01 ! PT 1.00* SC 0.92 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.07 HN 0.90 KP 0.85 ! LA 0.91 MK 1.00 NL 1.14 OV 1.00 ! PT 1.00* SC 0.94 ! ! ! Fit before self-cal, rms=0.086774Jy sigma=1.684146 ! Fit after self-cal, rms=0.078949Jy sigma=1.519463 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9941 mas, bmaj=1.031 mas, bpa=46.3 degrees ! Estimated noise=0.166306 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 (2.6, 10.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00812316 Jy ! Component: 100 - total flux cleaned = 0.0126386 Jy ! Component: 150 - total flux cleaned = 0.0150212 Jy ! Component: 200 - total flux cleaned = 0.0165698 Jy ! Total flux subtracted in 200 components = 0.0165698 Jy ! Clean residual min=-0.006820 max=0.007436 Jy/beam ! Clean residual mean=0.000002 rms=0.001572 Jy/beam ! Combined flux in latest and established models = 0.313095 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 27 components and 0.313095 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=0.078109Jy sigma=1.498236 ! Fit after self-cal, rms=0.078125Jy sigma=1.496573 ! 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=0.078125Jy sigma=1.496573 ! Fit after self-cal, rms=0.085979Jy sigma=1.367272 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9921 mas, bmaj=1.03 mas, bpa=48.26 degrees ! Estimated noise=0.167741 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0015809 Jy ! Component: 100 - total flux cleaned = -0.00173371 Jy ! Component: 150 - total flux cleaned = -0.00220135 Jy ! Component: 200 - total flux cleaned = -0.00268803 Jy ! Total flux subtracted in 200 components = -0.00268803 Jy ! Clean residual min=-0.002661 max=0.004360 Jy/beam ! Clean residual mean=0.000002 rms=0.000542 Jy/beam ! Combined flux in latest and established models = 0.310407 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 36 components and 0.310407 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=0.085745Jy sigma=1.363011 ! Fit after self-cal, rms=0.085846Jy sigma=1.362450 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 (-1.2, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00399585 Jy ! Component: 100 - total flux cleaned = 0.00441253 Jy ! Component: 150 - total flux cleaned = 0.00396386 Jy ! Component: 200 - total flux cleaned = 0.00350385 Jy ! Total flux subtracted in 200 components = 0.00350385 Jy ! Clean residual min=-0.002245 max=0.002625 Jy/beam ! Clean residual mean=0.000003 rms=0.000489 Jy/beam ! Combined flux in latest and established models = 0.313911 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 49 components and 0.313911 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=0.085610Jy sigma=1.358062 ! Fit after self-cal, rms=0.085603Jy sigma=1.357751 ! Inverting map ! Added new window around map position (13.4, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00147652 Jy ! Component: 100 - total flux cleaned = 0.0013544 Jy ! Component: 150 - total flux cleaned = 0.00109562 Jy ! Component: 200 - total flux cleaned = 0.00100009 Jy ! Total flux subtracted in 200 components = 0.00100009 Jy ! Clean residual min=-0.002169 max=0.002409 Jy/beam ! Clean residual mean=0.000004 rms=0.000469 Jy/beam ! Combined flux in latest and established models = 0.314911 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 65 components and 0.314911 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=0.085504Jy sigma=1.355994 ! Fit after self-cal, rms=0.085502Jy sigma=1.355896 ! Inverting map ! Added new window around map position (3, -23.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00136162 Jy ! Component: 100 - total flux cleaned = 0.0015951 Jy ! Component: 150 - total flux cleaned = 0.00188722 Jy ! Component: 200 - total flux cleaned = 0.00184404 Jy ! Total flux subtracted in 200 components = 0.00184404 Jy ! Clean residual min=-0.002103 max=0.002059 Jy/beam ! Clean residual mean=0.000004 rms=0.000454 Jy/beam ! Combined flux in latest and established models = 0.316755 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 77 components and 0.316755 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=0.085396Jy sigma=1.354430 ! Fit after self-cal, rms=0.085395Jy sigma=1.354374 ! 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=0.085395Jy sigma=1.354374 ! Fit after self-cal, rms=0.086278Jy sigma=1.352793 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9885 mas, bmaj=1.028 mas, bpa=48.28 degrees ! Estimated noise=0.167732 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000651562 Jy ! Component: 100 - total flux cleaned = 0.00098267 Jy ! Component: 150 - total flux cleaned = 0.00121223 Jy ! Component: 200 - total flux cleaned = 0.00121111 Jy ! Total flux subtracted in 200 components = 0.00121111 Jy ! Clean residual min=-0.001739 max=0.001942 Jy/beam ! Clean residual mean=0.000003 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.317966 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 80 components and 0.317966 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=0.086197Jy sigma=1.351603 ! Fit after self-cal, rms=0.086206Jy sigma=1.351552 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (5, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00141188 Jy ! Component: 100 - total flux cleaned = 0.00158074 Jy ! Component: 150 - total flux cleaned = 0.00165788 Jy ! Component: 200 - total flux cleaned = 0.00165811 Jy ! Total flux subtracted in 200 components = 0.00165811 Jy ! Clean residual min=-0.001716 max=0.001726 Jy/beam ! Clean residual mean=0.000003 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.319624 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 100 components and 0.319624 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=0.086142Jy sigma=1.350682 ! Fit after self-cal, rms=0.086142Jy sigma=1.350636 ! Inverting map ! Added new window around map position (8.2, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000727885 Jy ! Component: 100 - total flux cleaned = 0.0010983 Jy ! Component: 150 - total flux cleaned = 0.00148681 Jy ! Component: 200 - total flux cleaned = 0.00159603 Jy ! Total flux subtracted in 200 components = 0.00159603 Jy ! Clean residual min=-0.001656 max=0.001565 Jy/beam ! Clean residual mean=0.000003 rms=0.000387 Jy/beam ! Combined flux in latest and established models = 0.32122 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 121 components and 0.32122 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=0.086078Jy sigma=1.349711 ! Fit after self-cal, rms=0.086076Jy sigma=1.349669 ! 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=0.086076Jy sigma=1.349669 ! Fit after self-cal, rms=0.086390Jy sigma=1.349411 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.091 mas, bmaj=2.363 mas, bpa=73.79 degrees ! Estimated noise=0.231729 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000140628 Jy ! Component: 100 - total flux cleaned = -0.0001076 Jy ! Component: 150 - total flux cleaned = -0.00014203 Jy ! Component: 200 - total flux cleaned = -0.000265879 Jy ! Total flux subtracted in 200 components = -0.000265879 Jy ! Clean residual min=-0.001890 max=0.001892 Jy/beam ! Clean residual mean=0.000006 rms=0.000465 Jy/beam ! Combined flux in latest and established models = 0.320954 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 135 components and 0.320954 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=0.086354Jy sigma=1.349224 ! Fit after self-cal, rms=0.086358Jy sigma=1.349195 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 = 8.5756e-06 Jy ! Component: 100 - total flux cleaned = -7.59484e-05 Jy ! Component: 150 - total flux cleaned = -0.000153554 Jy ! Component: 200 - total flux cleaned = -0.000224983 Jy ! Total flux subtracted in 200 components = -0.000224983 Jy ! Clean residual min=-0.001908 max=0.001785 Jy/beam ! Clean residual mean=0.000005 rms=0.000459 Jy/beam ! Combined flux in latest and established models = 0.320729 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 141 components and 0.320729 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=0.086339Jy sigma=1.349185 ! Fit after self-cal, rms=0.086339Jy sigma=1.349181 ! 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=0.9873 mas, bmaj=1.027 mas, bpa=48.38 degrees ! Estimated noise=0.167942 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9873 x 1.027 at 48.38 degrees (North through East) ! Clean map min=-0.0016531 max=0.29838 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=0.7615 mas, bmaj=0.7829 mas, bpa=62.18 degrees ! Estimated noise=0.35583 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.232135 Jy ! Component: 100 - total flux cleaned = 0.282755 Jy ! Component: 150 - total flux cleaned = 0.295242 Jy ! Component: 200 - total flux cleaned = 0.301939 Jy ! Total flux subtracted in 200 components = 0.301939 Jy ! Clean residual min=-0.003454 max=0.003656 Jy/beam ! Clean residual mean=0.000001 rms=0.000781 Jy/beam ! Combined flux in latest and established models = 0.301939 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.301939 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9873 mas, bmaj=1.027 mas, bpa=48.38 degrees ! Estimated noise=0.167942 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 = 0.00515418 Jy ! Component: 100 - total flux cleaned = 0.00853919 Jy ! Component: 150 - total flux cleaned = 0.0109173 Jy ! Component: 200 - total flux cleaned = 0.0122193 Jy ! Total flux subtracted in 200 components = 0.0122193 Jy ! Clean residual min=-0.001939 max=0.002056 Jy/beam ! Clean residual mean=0.000002 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.314159 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 32 components and 0.314159 Jy ! Inverting map ! Added new window around map position (-13.2, -5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0016122 Jy ! Component: 100 - total flux cleaned = 0.0022602 Jy ! Component: 150 - total flux cleaned = 0.00272226 Jy ! Component: 200 - total flux cleaned = 0.00309242 Jy ! Total flux subtracted in 200 components = 0.00309242 Jy ! Clean residual min=-0.001791 max=0.001768 Jy/beam ! Clean residual mean=0.000002 rms=0.000404 Jy/beam ! Combined flux in latest and established models = 0.317251 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 57 components and 0.317251 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=2.091 mas, bmaj=2.363 mas, bpa=73.79 degrees ! Estimated noise=0.231729 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00197226 Jy ! Component: 100 - total flux cleaned = 0.0023842 Jy ! Component: 150 - total flux cleaned = 0.00295076 Jy ! Component: 200 - total flux cleaned = 0.00344655 Jy ! Total flux subtracted in 200 components = 0.00344655 Jy ! Clean residual min=-0.002062 max=0.001758 Jy/beam ! Clean residual mean=0.000005 rms=0.000465 Jy/beam ! Combined flux in latest and established models = 0.320698 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 = 0.000283142 Jy ! Component: 100 - total flux cleaned = 0.00050563 Jy ! Component: 150 - total flux cleaned = 0.000777268 Jy ! Component: 200 - total flux cleaned = 0.000968075 Jy ! Total flux subtracted in 200 components = 0.000968075 Jy ! Clean residual min=-0.002088 max=0.001721 Jy/beam ! Clean residual mean=0.000005 rms=0.000454 Jy/beam ! Combined flux in latest and established models = 0.321666 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 88 components and 0.321666 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9873 mas, bmaj=1.027 mas, bpa=48.38 degrees ! Estimated noise=0.167942 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000583993 Jy ! Component: 100 - total flux cleaned = 0.000889149 Jy ! Component: 150 - total flux cleaned = 0.00098257 Jy ! Component: 200 - total flux cleaned = 0.00106887 Jy ! Total flux subtracted in 200 components = 0.00106887 Jy ! Clean residual min=-0.001580 max=0.001579 Jy/beam ! Clean residual mean=0.000002 rms=0.000375 Jy/beam ! Combined flux in latest and established models = 0.322735 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 107 components and 0.322735 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=0.086329Jy sigma=1.349313 ! Fit after self-cal, rms=0.086321Jy sigma=1.349052 wmodel J1821+6818_X_map.mod ! Writing 107 model components to file: J1821+6818_X_map.mod wobs J1821+6818_X_uvs.fits ! Writing UV FITS file: J1821+6818_X_uvs.fits wwins J1821+6818_X_map.win ! wwins: Wrote 8 windows to J1821+6818_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 = 0.00017069 Jy ! Component: 100 - total flux cleaned = 0.000446643 Jy ! Component: 150 - total flux cleaned = 0.000712886 Jy ! Component: 200 - total flux cleaned = 0.000919791 Jy ! Component: 250 - total flux cleaned = 0.00117337 Jy ! Component: 300 - total flux cleaned = 0.0012983 Jy ! Component: 350 - total flux cleaned = 0.00154371 Jy ! Component: 400 - total flux cleaned = 0.00178495 Jy ! Component: 450 - total flux cleaned = 0.00195103 Jy ! Component: 500 - total flux cleaned = 0.00213855 Jy ! Component: 550 - total flux cleaned = 0.00230058 Jy ! Component: 600 - total flux cleaned = 0.00250689 Jy ! Component: 650 - total flux cleaned = 0.00259734 Jy ! Component: 700 - total flux cleaned = 0.00270953 Jy ! Component: 750 - total flux cleaned = 0.00284302 Jy ! Component: 800 - total flux cleaned = 0.00295338 Jy ! Component: 850 - total flux cleaned = 0.00306281 Jy ! Component: 900 - total flux cleaned = 0.00317123 Jy ! Component: 950 - total flux cleaned = 0.00319291 Jy ! Component: 1000 - total flux cleaned = 0.00336347 Jy ! Component: 1050 - total flux cleaned = 0.0033846 Jy ! Component: 1100 - total flux cleaned = 0.00346867 Jy ! Component: 1150 - total flux cleaned = 0.00342693 Jy ! Component: 1200 - total flux cleaned = 0.00355149 Jy ! Component: 1250 - total flux cleaned = 0.00353091 Jy ! Component: 1300 - total flux cleaned = 0.00359208 Jy ! Component: 1350 - total flux cleaned = 0.00353125 Jy ! Component: 1400 - total flux cleaned = 0.00363211 Jy ! Component: 1450 - total flux cleaned = 0.00349149 Jy ! Component: 1500 - total flux cleaned = 0.00359149 Jy ! Component: 1550 - total flux cleaned = 0.00355185 Jy ! Component: 1600 - total flux cleaned = 0.00355184 Jy ! Component: 1650 - total flux cleaned = 0.00355175 Jy ! Component: 1700 - total flux cleaned = 0.00343448 Jy ! Component: 1750 - total flux cleaned = 0.00349283 Jy ! Component: 1800 - total flux cleaned = 0.00353151 Jy ! Component: 1850 - total flux cleaned = 0.00349306 Jy ! Component: 1900 - total flux cleaned = 0.00351234 Jy ! Component: 1950 - total flux cleaned = 0.00349326 Jy ! Component: 2000 - total flux cleaned = 0.00341714 Jy ! Component: 2050 - total flux cleaned = 0.00345498 Jy ! Component: 2100 - total flux cleaned = 0.0034929 Jy ! Component: 2150 - total flux cleaned = 0.00341792 Jy ! Component: 2200 - total flux cleaned = 0.00351162 Jy ! Component: 2250 - total flux cleaned = 0.00358621 Jy ! Component: 2300 - total flux cleaned = 0.00351194 Jy ! Component: 2350 - total flux cleaned = 0.00356733 Jy ! Component: 2400 - total flux cleaned = 0.00362249 Jy ! Component: 2450 - total flux cleaned = 0.00369582 Jy ! Component: 2500 - total flux cleaned = 0.00371413 Jy ! Component: 2550 - total flux cleaned = 0.00376864 Jy ! Component: 2600 - total flux cleaned = 0.00376863 Jy ! Component: 2650 - total flux cleaned = 0.00384102 Jy ! Component: 2700 - total flux cleaned = 0.00385904 Jy ! Component: 2750 - total flux cleaned = 0.00398482 Jy ! Component: 2800 - total flux cleaned = 0.00389535 Jy ! Component: 2850 - total flux cleaned = 0.00391324 Jy ! Component: 2900 - total flux cleaned = 0.00400225 Jy ! Component: 2950 - total flux cleaned = 0.00410863 Jy ! Component: 3000 - total flux cleaned = 0.00412642 Jy ! Component: 3050 - total flux cleaned = 0.00416156 Jy ! Component: 3100 - total flux cleaned = 0.00417902 Jy ! Component: 3150 - total flux cleaned = 0.00426663 Jy ! Component: 3200 - total flux cleaned = 0.00431898 Jy ! Component: 3250 - total flux cleaned = 0.00423197 Jy ! Component: 3300 - total flux cleaned = 0.00423204 Jy ! Component: 3350 - total flux cleaned = 0.00426657 Jy ! Component: 3400 - total flux cleaned = 0.00433555 Jy ! Component: 3450 - total flux cleaned = 0.00440431 Jy ! Component: 3500 - total flux cleaned = 0.00435291 Jy ! Component: 3550 - total flux cleaned = 0.00433587 Jy ! Component: 3600 - total flux cleaned = 0.00431894 Jy ! Component: 3650 - total flux cleaned = 0.00442084 Jy ! Component: 3700 - total flux cleaned = 0.00447158 Jy ! Component: 3750 - total flux cleaned = 0.00438711 Jy ! Component: 3800 - total flux cleaned = 0.00447131 Jy ! Component: 3850 - total flux cleaned = 0.0044881 Jy ! Component: 3900 - total flux cleaned = 0.00450481 Jy ! Component: 3950 - total flux cleaned = 0.00453827 Jy ! Component: 4000 - total flux cleaned = 0.00450504 Jy ! Component: 4050 - total flux cleaned = 0.00452168 Jy ! Total flux subtracted in 4096 components = 0.00455476 Jy ! Clean residual min=-0.001001 max=0.000964 Jy/beam ! Clean residual mean=0.000001 rms=0.000293 Jy/beam ! Combined flux in latest and established models = 0.327289 Jy keep ! Adding 332 model components to the UV plane model. ! The established model now contains 439 components and 0.327289 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1821+6818_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9873 x 1.027 at 48.38 degrees (North through East) ! Clean map min=-0.0016379 max=0.29777 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1821+6818_X_map.fits wmodel /vlbi/uf001/uva//J1821+6818_X_map.mod ! Writing 439 model components to file: /vlbi/uf001/uva//J1821+6818_X_map.mod wobs /vlbi/uf001/uva//J1821+6818_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1821+6818_X_uvs.fits wwins /vlbi/uf001/uva//J1821+6818_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J1821+6818_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.297773 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000293198 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.29539 0.29539 0.590781 1.18156 2.36312 4.72625 9.45249 18.905 37.81 75.6199 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.297 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1015.6 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1821+6818_X_dfm.log closed on Mon Jan 14 04:35:32 2019