! Started logfile: /vlbi/uf001/uva//J1918+5520_X_dfm.log on Mon Jan 14 05:00:30 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//J1918+5520_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1918+5520_X_uva.fits ! AN table 1: 42 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.973545 visibilities/baseline/integration-bin. ! Found source: J1918+5520 ! ! 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 17664 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 J1918+5520_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 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.051371Jy sigma=22.601898 ! Fit after self-cal, rms=0.763868Jy sigma=16.432590 ! 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=0.736 mas, bmaj=1.002 mas, bpa=8.763 degrees ! Estimated noise=0.508346 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 = 0.173161 Jy ! Component: 100 - total flux cleaned = 0.254174 Jy ! Total flux subtracted in 100 components = 0.254174 Jy ! Clean residual min=-0.026011 max=0.055754 Jy/beam ! Clean residual mean=-0.000003 rms=0.005316 Jy/beam ! Combined flux in latest and established models = 0.254174 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.254174 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=0.146531Jy sigma=3.059708 ! Fit after self-cal, rms=0.144462Jy sigma=3.015349 ! Inverting map ! Added new window around map position (0.8, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0640143 Jy ! Component: 100 - total flux cleaned = 0.102037 Jy ! Total flux subtracted in 100 components = 0.102037 Jy ! Clean residual min=-0.019469 max=0.027710 Jy/beam ! Clean residual mean=-0.000001 rms=0.003456 Jy/beam ! Combined flux in latest and established models = 0.356211 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 17 components and 0.356211 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=0.100350Jy sigma=2.056530 ! Fit after self-cal, rms=0.097698Jy sigma=2.001149 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0313024 Jy ! Component: 100 - total flux cleaned = 0.0523234 Jy ! Total flux subtracted in 100 components = 0.0523234 Jy ! Clean residual min=-0.016032 max=0.017076 Jy/beam ! Clean residual mean=0.000001 rms=0.002616 Jy/beam ! Combined flux in latest and established models = 0.408534 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 26 components and 0.408535 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=0.082239Jy sigma=1.666669 ! Fit after self-cal, rms=0.081323Jy sigma=1.647107 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0175887 Jy ! Component: 100 - total flux cleaned = 0.0294095 Jy ! Total flux subtracted in 100 components = 0.0294095 Jy ! Clean residual min=-0.014126 max=0.013769 Jy/beam ! Clean residual mean=0.000001 rms=0.002262 Jy/beam ! Combined flux in latest and established models = 0.437944 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 27 components and 0.437944 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=0.075960Jy sigma=1.532483 ! Fit after self-cal, rms=0.075592Jy sigma=1.524650 ! 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=0.9119 mas, bmaj=1.259 mas, bpa=7.116 degrees ! Estimated noise=0.272308 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 = 0.0119347 Jy ! Component: 100 - total flux cleaned = 0.0180987 Jy ! Component: 150 - total flux cleaned = 0.0208192 Jy ! Component: 200 - total flux cleaned = 0.0219064 Jy ! Total flux subtracted in 200 components = 0.0219064 Jy ! Clean residual min=-0.012854 max=0.013347 Jy/beam ! Clean residual mean=0.000007 rms=0.002288 Jy/beam ! Combined flux in latest and established models = 0.45985 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 37 components and 0.45985 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=0.073525Jy sigma=1.483454 ! Fit after self-cal, rms=0.073237Jy sigma=1.476829 ! Inverting map ! Added new window around map position (-1.6, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0123986 Jy ! Component: 100 - total flux cleaned = 0.0186753 Jy ! Component: 150 - total flux cleaned = 0.0207388 Jy ! Component: 200 - total flux cleaned = 0.0228798 Jy ! Total flux subtracted in 200 components = 0.0228798 Jy ! Clean residual min=-0.011257 max=0.012386 Jy/beam ! Clean residual mean=0.000005 rms=0.002036 Jy/beam ! Combined flux in latest and established models = 0.48273 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 51 components and 0.48273 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=0.070613Jy sigma=1.423120 ! Fit after self-cal, rms=0.070366Jy sigma=1.417873 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9119 x 1.259 at 7.116 degrees (North through East) ! Clean map min=-0.010601 max=0.21883 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.20 KP 1.04 LA 1.00 ! MK 1.00 NL 1.09 OV 0.89 PT 0.94 ! SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.19 KP 1.03 LA 1.01 ! MK 0.99 NL 1.08 OV 0.90 PT 0.94 ! SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.22 KP 1.05 LA 1.02 ! MK 0.98 NL 1.08 OV 0.89 PT 0.94 ! SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.16 KP 1.04 LA 1.01 ! MK 0.98 NL 1.08 OV 0.90 PT 0.93 ! SC 0.90 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.15 KP 1.04 LA 1.01 ! MK 0.99 NL 1.09 OV 0.89 PT 0.94 ! SC 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.21 KP 1.03 LA 1.02 ! MK 0.99 NL 1.08 OV 0.90 PT 0.95 ! SC 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.19 KP 1.05 LA 1.01 ! MK 0.97 NL 1.08 OV 0.89 PT 0.95 ! SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.22 KP 1.04 LA 1.01 ! MK 0.99 NL 1.08 OV 0.91 PT 0.95 ! SC 0.90 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.18 KP 1.02 LA 1.01 ! MK 0.99 NL 1.09 OV 0.89 PT 0.95 ! SC 0.91 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 1.20 KP 1.04 LA 1.02 ! MK 0.98 NL 1.07 OV 0.89 PT 0.94 ! SC 0.94 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 1.25 KP 1.05 LA 1.02 ! MK 0.99 NL 1.10 OV 0.90 PT 0.94 ! SC 0.92 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.20 KP 1.05 LA 1.02 ! MK 0.94 NL 1.09 OV 0.90 PT 0.94 ! SC 0.94 ! ! ! Fit before self-cal, rms=0.070366Jy sigma=1.417873 ! Fit after self-cal, rms=0.066674Jy sigma=1.257689 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9022 mas, bmaj=1.261 mas, bpa=8.528 degrees ! Estimated noise=0.274518 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 (0.6, -9.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00217525 Jy ! Component: 100 - total flux cleaned = 0.00143153 Jy ! Component: 150 - total flux cleaned = 0.000656206 Jy ! Component: 200 - total flux cleaned = 0.000105764 Jy ! Total flux subtracted in 200 components = 0.000105764 Jy ! Clean residual min=-0.006330 max=0.005200 Jy/beam ! Clean residual mean=0.000003 rms=0.001106 Jy/beam ! Combined flux in latest and established models = 0.482836 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 72 components and 0.482836 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=0.065562Jy sigma=1.236549 ! Fit after self-cal, rms=0.065558Jy sigma=1.234181 ! 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=0.065558Jy sigma=1.234181 ! Fit after self-cal, rms=0.068790Jy sigma=1.175090 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8963 mas, bmaj=1.249 mas, bpa=8.132 degrees ! Estimated noise=0.274797 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00201668 Jy ! Component: 100 - total flux cleaned = -0.00350436 Jy ! Component: 150 - total flux cleaned = -0.00423586 Jy ! Component: 200 - total flux cleaned = -0.00455248 Jy ! Total flux subtracted in 200 components = -0.00455248 Jy ! Clean residual min=-0.004036 max=0.003064 Jy/beam ! Clean residual mean=0.000003 rms=0.000658 Jy/beam ! Combined flux in latest and established models = 0.478283 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 85 components and 0.478283 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=0.068157Jy sigma=1.161799 ! Fit after self-cal, rms=0.068183Jy sigma=1.160688 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 = -0.000172963 Jy ! Component: 100 - total flux cleaned = -0.000448858 Jy ! Component: 150 - total flux cleaned = -0.000691296 Jy ! Component: 200 - total flux cleaned = -0.000838952 Jy ! Total flux subtracted in 200 components = -0.000838952 Jy ! Clean residual min=-0.003717 max=0.002963 Jy/beam ! Clean residual mean=0.000003 rms=0.000618 Jy/beam ! Combined flux in latest and established models = 0.477444 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 93 components and 0.477444 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=0.067926Jy sigma=1.155368 ! Fit after self-cal, rms=0.067901Jy sigma=1.154697 ! 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=0.067901Jy sigma=1.154697 ! Fit after self-cal, rms=0.069024Jy sigma=1.152406 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8957 mas, bmaj=1.245 mas, bpa=8.229 degrees ! Estimated noise=0.274573 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00161142 Jy ! Component: 100 - total flux cleaned = -0.00253761 Jy ! Component: 150 - total flux cleaned = -0.00346764 Jy ! Component: 200 - total flux cleaned = -0.00380567 Jy ! Total flux subtracted in 200 components = -0.00380567 Jy ! Clean residual min=-0.003165 max=0.002552 Jy/beam ! Clean residual mean=0.000003 rms=0.000540 Jy/beam ! Combined flux in latest and established models = 0.473639 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 99 components and 0.473639 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=0.068774Jy sigma=1.147270 ! Fit after self-cal, rms=0.068756Jy sigma=1.146666 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 = -0.00013257 Jy ! Component: 100 - total flux cleaned = -0.000643136 Jy ! Component: 150 - total flux cleaned = -0.000698571 Jy ! Component: 200 - total flux cleaned = -0.000747548 Jy ! Total flux subtracted in 200 components = -0.000747548 Jy ! Clean residual min=-0.002954 max=0.002394 Jy/beam ! Clean residual mean=0.000003 rms=0.000515 Jy/beam ! Combined flux in latest and established models = 0.472891 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 108 components and 0.472891 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=0.068620Jy sigma=1.144153 ! Fit after self-cal, rms=0.068603Jy sigma=1.143758 ! 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=0.068603Jy sigma=1.143758 ! Fit after self-cal, rms=0.068968Jy sigma=1.142891 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.127 mas, bmaj=2.334 mas, bpa=18.75 degrees ! Estimated noise=0.373889 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00232755 Jy ! Component: 100 - total flux cleaned = -0.00315484 Jy ! Component: 150 - total flux cleaned = -0.00337372 Jy ! Component: 200 - total flux cleaned = -0.00359332 Jy ! Total flux subtracted in 200 components = -0.00359332 Jy ! Clean residual min=-0.002493 max=0.002292 Jy/beam ! Clean residual mean=0.000010 rms=0.000587 Jy/beam ! Combined flux in latest and established models = 0.469298 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 120 components and 0.469298 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=0.068908Jy sigma=1.141573 ! Fit after self-cal, rms=0.068900Jy sigma=1.141431 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 = -0.000370352 Jy ! Component: 100 - total flux cleaned = -0.000639166 Jy ! Component: 150 - total flux cleaned = -0.00078041 Jy ! Component: 200 - total flux cleaned = -0.000906413 Jy ! Total flux subtracted in 200 components = -0.000906413 Jy ! Clean residual min=-0.002437 max=0.002339 Jy/beam ! Clean residual mean=0.000011 rms=0.000576 Jy/beam ! Combined flux in latest and established models = 0.468392 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 123 components and 0.468392 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=0.068862Jy sigma=1.141289 ! Fit after self-cal, rms=0.068856Jy sigma=1.141191 ! 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=0.8961 mas, bmaj=1.243 mas, bpa=8.226 degrees ! Estimated noise=0.274549 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8961 x 1.243 at 8.226 degrees (North through East) ! Clean map min=-0.0023817 max=0.21802 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=0.7204 mas, bmaj=0.9904 mas, bpa=10.15 degrees ! Estimated noise=0.506815 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.179726 Jy ! Component: 100 - total flux cleaned = 0.272407 Jy ! Component: 150 - total flux cleaned = 0.328668 Jy ! Component: 200 - total flux cleaned = 0.365115 Jy ! Total flux subtracted in 200 components = 0.365115 Jy ! Clean residual min=-0.009511 max=0.019643 Jy/beam ! Clean residual mean=-0.000001 rms=0.002071 Jy/beam ! Combined flux in latest and established models = 0.365115 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.365115 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8961 mas, bmaj=1.243 mas, bpa=8.226 degrees ! Estimated noise=0.274549 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 = 0.0357762 Jy ! Component: 100 - total flux cleaned = 0.056092 Jy ! Component: 150 - total flux cleaned = 0.0688677 Jy ! Component: 200 - total flux cleaned = 0.0774167 Jy ! Total flux subtracted in 200 components = 0.0774167 Jy ! Clean residual min=-0.003305 max=0.005594 Jy/beam ! Clean residual mean=0.000006 rms=0.000834 Jy/beam ! Combined flux in latest and established models = 0.442532 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 40 components and 0.442532 Jy ! Inverting map ! Added new window around map position (-0.8, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00655432 Jy ! Component: 100 - total flux cleaned = 0.0115539 Jy ! Component: 150 - total flux cleaned = 0.0153273 Jy ! Component: 200 - total flux cleaned = 0.0176459 Jy ! Total flux subtracted in 200 components = 0.0176459 Jy ! Clean residual min=-0.002760 max=0.003105 Jy/beam ! Clean residual mean=0.000003 rms=0.000551 Jy/beam ! Combined flux in latest and established models = 0.460178 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 56 components and 0.460178 Jy ! Inverting map ! Added new window around map position (2, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00269086 Jy ! Component: 100 - total flux cleaned = 0.00435852 Jy ! Component: 150 - total flux cleaned = 0.00555998 Jy ! Component: 200 - total flux cleaned = 0.00654873 Jy ! Total flux subtracted in 200 components = 0.00654873 Jy ! Clean residual min=-0.002423 max=0.001974 Jy/beam ! Clean residual mean=0.000003 rms=0.000468 Jy/beam ! Combined flux in latest and established models = 0.466727 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 71 components and 0.466727 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=2.127 mas, bmaj=2.334 mas, bpa=18.75 degrees ! Estimated noise=0.373889 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103635 Jy ! Component: 100 - total flux cleaned = 0.00180048 Jy ! Component: 150 - total flux cleaned = 0.00221229 Jy ! Component: 200 - total flux cleaned = 0.00242605 Jy ! Total flux subtracted in 200 components = 0.00242605 Jy ! Clean residual min=-0.002275 max=0.002392 Jy/beam ! Clean residual mean=0.000011 rms=0.000585 Jy/beam ! Combined flux in latest and established models = 0.469153 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 = 7.34175e-05 Jy ! Component: 100 - total flux cleaned = 0.000172079 Jy ! Component: 150 - total flux cleaned = 0.000259338 Jy ! Component: 200 - total flux cleaned = 0.000338244 Jy ! Total flux subtracted in 200 components = 0.000338244 Jy ! Clean residual min=-0.002194 max=0.002402 Jy/beam ! Clean residual mean=0.000012 rms=0.000568 Jy/beam ! Combined flux in latest and established models = 0.469491 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 115 components and 0.469491 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8961 mas, bmaj=1.243 mas, bpa=8.226 degrees ! Estimated noise=0.274549 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.98121e-05 Jy ! Component: 100 - total flux cleaned = 6.30598e-05 Jy ! Component: 150 - total flux cleaned = 0.000300845 Jy ! Component: 200 - total flux cleaned = 0.00043227 Jy ! Total flux subtracted in 200 components = 0.00043227 Jy ! Clean residual min=-0.002150 max=0.001743 Jy/beam ! Clean residual mean=0.000004 rms=0.000425 Jy/beam ! Combined flux in latest and established models = 0.469923 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 132 components and 0.469923 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=0.068596Jy sigma=1.135754 ! Fit after self-cal, rms=0.068511Jy sigma=1.134251 wmodel J1918+5520_X_map.mod ! Writing 132 model components to file: J1918+5520_X_map.mod wobs J1918+5520_X_uvs.fits ! Writing UV FITS file: J1918+5520_X_uvs.fits wwins J1918+5520_X_map.win ! wwins: Wrote 6 windows to J1918+5520_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 = -0.000843302 Jy ! Component: 100 - total flux cleaned = -0.00123293 Jy ! Component: 150 - total flux cleaned = -0.00166196 Jy ! Component: 200 - total flux cleaned = -0.00198452 Jy ! Component: 250 - total flux cleaned = -0.00218352 Jy ! Component: 300 - total flux cleaned = -0.0024602 Jy ! Component: 350 - total flux cleaned = -0.00256832 Jy ! Component: 400 - total flux cleaned = -0.00272614 Jy ! Component: 450 - total flux cleaned = -0.00277743 Jy ! Component: 500 - total flux cleaned = -0.00287826 Jy ! Component: 550 - total flux cleaned = -0.00300157 Jy ! Component: 600 - total flux cleaned = -0.00312277 Jy ! Component: 650 - total flux cleaned = -0.00326544 Jy ! Component: 700 - total flux cleaned = -0.00333537 Jy ! Component: 750 - total flux cleaned = -0.00340469 Jy ! Component: 800 - total flux cleaned = -0.00349579 Jy ! Component: 850 - total flux cleaned = -0.00362994 Jy ! Component: 900 - total flux cleaned = -0.00371793 Jy ! Component: 950 - total flux cleaned = -0.00386943 Jy ! Component: 1000 - total flux cleaned = -0.00391169 Jy ! Component: 1050 - total flux cleaned = -0.00401703 Jy ! Component: 1100 - total flux cleaned = -0.00405835 Jy ! Component: 1150 - total flux cleaned = -0.00418112 Jy ! Component: 1200 - total flux cleaned = -0.00428171 Jy ! Component: 1250 - total flux cleaned = -0.00438113 Jy ! Component: 1300 - total flux cleaned = -0.00449894 Jy ! Component: 1350 - total flux cleaned = -0.00451849 Jy ! Component: 1400 - total flux cleaned = -0.00463373 Jy ! Component: 1450 - total flux cleaned = -0.00469069 Jy ! Component: 1500 - total flux cleaned = -0.00478477 Jy ! Component: 1550 - total flux cleaned = -0.00493351 Jy ! Component: 1600 - total flux cleaned = -0.00498841 Jy ! Component: 1650 - total flux cleaned = -0.0050066 Jy ! Component: 1700 - total flux cleaned = -0.00509695 Jy ! Component: 1750 - total flux cleaned = -0.00522191 Jy ! Component: 1800 - total flux cleaned = -0.00527497 Jy ! Component: 1850 - total flux cleaned = -0.00541495 Jy ! Component: 1900 - total flux cleaned = -0.00548402 Jy ! Component: 1950 - total flux cleaned = -0.00553542 Jy ! Component: 2000 - total flux cleaned = -0.00555227 Jy ! Component: 2050 - total flux cleaned = -0.00560256 Jy ! Component: 2100 - total flux cleaned = -0.00561953 Jy ! Component: 2150 - total flux cleaned = -0.0057516 Jy ! Component: 2200 - total flux cleaned = -0.00571872 Jy ! Component: 2250 - total flux cleaned = -0.0057512 Jy ! Component: 2300 - total flux cleaned = -0.00581581 Jy ! Component: 2350 - total flux cleaned = -0.00579953 Jy ! Component: 2400 - total flux cleaned = -0.00583114 Jy ! Component: 2450 - total flux cleaned = -0.00597242 Jy ! Component: 2500 - total flux cleaned = -0.00595679 Jy ! Component: 2550 - total flux cleaned = -0.00600313 Jy ! Component: 2600 - total flux cleaned = -0.00604915 Jy ! Component: 2650 - total flux cleaned = -0.00606422 Jy ! Component: 2700 - total flux cleaned = -0.00609455 Jy ! Component: 2750 - total flux cleaned = -0.00613944 Jy ! Component: 2800 - total flux cleaned = -0.00621407 Jy ! Component: 2850 - total flux cleaned = -0.00630249 Jy ! Component: 2900 - total flux cleaned = -0.00622915 Jy ! Component: 2950 - total flux cleaned = -0.00628736 Jy ! Component: 3000 - total flux cleaned = -0.00634518 Jy ! Component: 3050 - total flux cleaned = -0.00638812 Jy ! Component: 3100 - total flux cleaned = -0.00638823 Jy ! Component: 3150 - total flux cleaned = -0.00637418 Jy ! Component: 3200 - total flux cleaned = -0.00640243 Jy ! Component: 3250 - total flux cleaned = -0.00648623 Jy ! Component: 3300 - total flux cleaned = -0.00647238 Jy ! Component: 3350 - total flux cleaned = -0.00643115 Jy ! Component: 3400 - total flux cleaned = -0.00644482 Jy ! Component: 3450 - total flux cleaned = -0.00645839 Jy ! Component: 3500 - total flux cleaned = -0.00648539 Jy ! Component: 3550 - total flux cleaned = -0.00649873 Jy ! Component: 3600 - total flux cleaned = -0.00643195 Jy ! Component: 3650 - total flux cleaned = -0.00644527 Jy ! Component: 3700 - total flux cleaned = -0.00643205 Jy ! Component: 3750 - total flux cleaned = -0.00644527 Jy ! Component: 3800 - total flux cleaned = -0.00645817 Jy ! Component: 3850 - total flux cleaned = -0.00640645 Jy ! Component: 3900 - total flux cleaned = -0.00644502 Jy ! Component: 3950 - total flux cleaned = -0.00644494 Jy ! Component: 4000 - total flux cleaned = -0.00640678 Jy ! Component: 4050 - total flux cleaned = -0.0063813 Jy ! Total flux subtracted in 4096 components = -0.00639396 Jy ! Clean residual min=-0.000725 max=0.000729 Jy/beam ! Clean residual mean=0.000002 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.463529 Jy keep ! Adding 319 model components to the UV plane model. ! The established model now contains 450 components and 0.463529 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1918+5520_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8961 x 1.243 at 8.226 degrees (North through East) ! Clean map min=-0.0023528 max=0.21536 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1918+5520_X_map.fits wmodel /vlbi/uf001/uva//J1918+5520_X_map.mod ! Writing 450 model components to file: /vlbi/uf001/uva//J1918+5520_X_map.mod wobs /vlbi/uf001/uva//J1918+5520_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1918+5520_X_uvs.fits wwins /vlbi/uf001/uva//J1918+5520_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J1918+5520_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.215363 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000211901 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.295178 0.295178 0.590356 1.18071 2.36142 4.72285 9.44569 18.8914 37.7828 75.5655 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.215 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1016.34 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1918+5520_X_dfm.log closed on Mon Jan 14 05:00:36 2019