! Started logfile: /vlbi/uf001/uva//J1755+2023_X_dfm.log on Mon Jan 14 04:25:14 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//J1755+2023_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1755+2023_X_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.793614 visibilities/baseline/integration-bin. ! Found source: J1755+2023 ! ! 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 37284 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 J1755+2023_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 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.012220Jy sigma=22.977525 ! Fit after self-cal, rms=0.877283Jy sigma=19.789160 ! 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=0.7262 mas, bmaj=1.528 mas, bpa=-11.6 degrees ! Estimated noise=0.334043 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 = 0.0977725 Jy ! Component: 100 - total flux cleaned = 0.121781 Jy ! Total flux subtracted in 100 components = 0.121781 Jy ! Clean residual min=-0.006962 max=0.022896 Jy/beam ! Clean residual mean=0.000005 rms=0.001767 Jy/beam ! Combined flux in latest and established models = 0.121781 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.121781 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=0.074559Jy sigma=1.528834 ! Fit after self-cal, rms=0.074478Jy sigma=1.527530 ! Inverting map ! Added new window around map position (-1, 3.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0196062 Jy ! Component: 100 - total flux cleaned = 0.0297728 Jy ! Total flux subtracted in 100 components = 0.0297728 Jy ! Clean residual min=-0.004948 max=0.007521 Jy/beam ! Clean residual mean=0.000003 rms=0.001234 Jy/beam ! Combined flux in latest and established models = 0.151554 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 17 components and 0.151554 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=0.068919Jy sigma=1.366555 ! Fit after self-cal, rms=0.068411Jy sigma=1.351813 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00867124 Jy ! Component: 100 - total flux cleaned = 0.0138349 Jy ! Total flux subtracted in 100 components = 0.0138349 Jy ! Clean residual min=-0.004331 max=0.004584 Jy/beam ! Clean residual mean=0.000001 rms=0.001028 Jy/beam ! Combined flux in latest and established models = 0.165389 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 23 components and 0.165389 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=0.067292Jy sigma=1.312265 ! Fit after self-cal, rms=0.067206Jy sigma=1.309801 ! 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=0.9673 mas, bmaj=1.833 mas, bpa=-11.63 degrees ! Estimated noise=0.168798 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 = 0.00553502 Jy ! Component: 100 - total flux cleaned = 0.00881617 Jy ! Component: 150 - total flux cleaned = 0.0111357 Jy ! Component: 200 - total flux cleaned = 0.0128567 Jy ! Total flux subtracted in 200 components = 0.0128567 Jy ! Clean residual min=-0.004441 max=0.004491 Jy/beam ! Clean residual mean=-0.000016 rms=0.001168 Jy/beam ! Combined flux in latest and established models = 0.178245 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 41 components and 0.178245 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=0.066926Jy sigma=1.292214 ! Fit after self-cal, rms=0.066888Jy sigma=1.291102 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9673 x 1.833 at -11.63 degrees (North through East) ! Clean map min=-0.0040957 max=0.12516 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.04 HN 0.99 KP 1.05 ! LA 0.91 MK 1.01 NL 1.00 OV 0.97 ! PT 0.95 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.06 HN 0.95 KP 1.05 ! LA 0.92 MK 1.03 NL 0.98 OV 0.97 ! PT 0.95 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.07 HN 0.97 KP 1.05 ! LA 0.91 MK 1.02 NL 0.97 OV 0.94 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.04 HN 0.99 KP 1.06 ! LA 0.88 MK 1.01 NL 0.97 OV 0.96 ! PT 0.94 SC 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.05 HN 0.97 KP 1.08 ! LA 0.89 MK 1.03 NL 0.98 OV 0.95 ! PT 0.84 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.05 HN 0.99 KP 1.04 ! LA 0.91 MK 1.01 NL 0.98 OV 0.94 ! PT 0.97 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.04 HN 0.97 KP 1.08 ! LA 0.90 MK 1.04 NL 0.98 OV 0.95 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.06 HN 0.96 KP 1.05 ! LA 0.89 MK 1.03 NL 0.99 OV 0.97 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.02 HN 0.98 KP 1.07 ! LA 0.89 MK 1.01 NL 0.98 OV 0.94 ! PT 0.95 SC 0.91 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.97 KP 1.08 ! LA 0.89 MK 1.01 NL 0.99 OV 0.97 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.09 HN 0.99 KP 1.07 ! LA 0.91 MK 1.03 NL 0.97 OV 0.94 ! PT 0.95 SC 0.91 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.07 HN 0.99 KP 1.02 ! LA 0.88 MK 1.01 NL 0.98 OV 0.97 ! PT 0.94 SC 0.99 ! ! ! Fit before self-cal, rms=0.066888Jy sigma=1.291102 ! Fit after self-cal, rms=0.063960Jy sigma=1.263382 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9689 mas, bmaj=1.846 mas, bpa=-11.26 degrees ! Estimated noise=0.166326 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 = -0.00178347 Jy ! Component: 100 - total flux cleaned = -0.00241307 Jy ! Component: 150 - total flux cleaned = -0.00288964 Jy ! Component: 200 - total flux cleaned = -0.00325625 Jy ! Total flux subtracted in 200 components = -0.00325625 Jy ! Clean residual min=-0.003090 max=0.003588 Jy/beam ! Clean residual mean=-0.000027 rms=0.000980 Jy/beam ! Combined flux in latest and established models = 0.174989 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 51 components and 0.174989 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=0.063749Jy sigma=1.262133 ! Fit after self-cal, rms=0.063770Jy sigma=1.261754 ! 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=0.063770Jy sigma=1.261754 ! Fit after self-cal, rms=0.080229Jy sigma=1.213016 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9685 mas, bmaj=1.851 mas, bpa=-11.31 degrees ! Estimated noise=0.167184 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00043844 Jy ! Component: 100 - total flux cleaned = 0.000345274 Jy ! Component: 150 - total flux cleaned = 0.000382163 Jy ! Component: 200 - total flux cleaned = 0.000414989 Jy ! Total flux subtracted in 200 components = 0.000414989 Jy ! Clean residual min=-0.001375 max=0.002257 Jy/beam ! Clean residual mean=0.000001 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.175404 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 61 components and 0.175404 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=0.080215Jy sigma=1.212463 ! Fit after self-cal, rms=0.080505Jy sigma=1.211823 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 (-2.2, 6.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00214371 Jy ! Component: 100 - total flux cleaned = 0.00339178 Jy ! Component: 150 - total flux cleaned = 0.00426011 Jy ! Component: 200 - total flux cleaned = 0.00481616 Jy ! Total flux subtracted in 200 components = 0.00481616 Jy ! Clean residual min=-0.001007 max=0.001180 Jy/beam ! Clean residual mean=0.000001 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.18022 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 89 components and 0.18022 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=0.080432Jy sigma=1.209768 ! Fit after self-cal, rms=0.080443Jy sigma=1.209671 ! Inverting map ! Added new window around map position (-5.6, 9.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00110213 Jy ! Component: 100 - total flux cleaned = 0.00182598 Jy ! Component: 150 - total flux cleaned = 0.00244 Jy ! Component: 200 - total flux cleaned = 0.00295372 Jy ! Total flux subtracted in 200 components = 0.00295372 Jy ! Clean residual min=-0.000954 max=0.000967 Jy/beam ! Clean residual mean=0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.183174 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 112 components and 0.183174 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=0.080419Jy sigma=1.209020 ! Fit after self-cal, rms=0.080418Jy sigma=1.208966 ! Inverting map ! Added new window around map position (3.6, -36.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000865102 Jy ! Component: 100 - total flux cleaned = 0.00132829 Jy ! Component: 150 - total flux cleaned = 0.0016148 Jy ! Component: 200 - total flux cleaned = 0.0017892 Jy ! Total flux subtracted in 200 components = 0.0017892 Jy ! Clean residual min=-0.000933 max=0.000868 Jy/beam ! Clean residual mean=0.000000 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.184963 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 129 components and 0.184963 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=0.080399Jy sigma=1.208628 ! Fit after self-cal, rms=0.080401Jy sigma=1.208614 ! 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=0.080401Jy sigma=1.208614 ! Fit after self-cal, rms=0.082935Jy sigma=1.208254 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9686 mas, bmaj=1.854 mas, bpa=-11.26 degrees ! Estimated noise=0.166922 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000396151 Jy ! Component: 100 - total flux cleaned = 0.000767741 Jy ! Component: 150 - total flux cleaned = 0.00104721 Jy ! Component: 200 - total flux cleaned = 0.00120752 Jy ! Total flux subtracted in 200 components = 0.00120752 Jy ! Clean residual min=-0.000793 max=0.000749 Jy/beam ! Clean residual mean=0.000001 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.186171 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 142 components and 0.186171 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=0.082924Jy sigma=1.208036 ! Fit after self-cal, rms=0.082945Jy sigma=1.208019 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 = 0.000117687 Jy ! Component: 100 - total flux cleaned = 0.000235276 Jy ! Component: 150 - total flux cleaned = 0.000319122 Jy ! Component: 200 - total flux cleaned = 0.000398909 Jy ! Total flux subtracted in 200 components = 0.000398909 Jy ! Clean residual min=-0.000788 max=0.000723 Jy/beam ! Clean residual mean=0.000001 rms=0.000175 Jy/beam ! Combined flux in latest and established models = 0.186569 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 152 components and 0.186569 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=0.082939Jy sigma=1.207900 ! Fit after self-cal, rms=0.082939Jy sigma=1.207897 ! 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=0.082939Jy sigma=1.207897 ! Fit after self-cal, rms=0.083011Jy sigma=1.207870 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.228 mas, bmaj=2.736 mas, bpa=-9.627 degrees ! Estimated noise=0.205352 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000442773 Jy ! Component: 100 - total flux cleaned = 0.000681566 Jy ! Component: 150 - total flux cleaned = 0.00083033 Jy ! Component: 200 - total flux cleaned = 0.000945029 Jy ! Total flux subtracted in 200 components = 0.000945029 Jy ! Clean residual min=-0.000797 max=0.000812 Jy/beam ! Clean residual mean=0.000002 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.187514 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 178 components and 0.187515 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=0.083009Jy sigma=1.207806 ! Fit after self-cal, rms=0.083011Jy sigma=1.207799 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 = 0.000120419 Jy ! Component: 100 - total flux cleaned = 0.000183116 Jy ! Component: 150 - total flux cleaned = 0.00022493 Jy ! Component: 200 - total flux cleaned = 0.000237653 Jy ! Total flux subtracted in 200 components = 0.000237653 Jy ! Clean residual min=-0.000778 max=0.000810 Jy/beam ! Clean residual mean=0.000002 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.187752 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 187 components and 0.187752 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=0.083010Jy sigma=1.207775 ! Fit after self-cal, rms=0.083010Jy sigma=1.207770 ! 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=0.9688 mas, bmaj=1.855 mas, bpa=-11.25 degrees ! Estimated noise=0.166812 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9688 x 1.855 at -11.25 degrees (North through East) ! Clean map min=-0.00067109 max=0.12423 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=0.7266 mas, bmaj=1.539 mas, bpa=-11.09 degrees ! Estimated noise=0.332247 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0964891 Jy ! Component: 100 - total flux cleaned = 0.126193 Jy ! Component: 150 - total flux cleaned = 0.142353 Jy ! Component: 200 - total flux cleaned = 0.152694 Jy ! Total flux subtracted in 200 components = 0.152694 Jy ! Clean residual min=-0.003263 max=0.005520 Jy/beam ! Clean residual mean=0.000003 rms=0.000709 Jy/beam ! Combined flux in latest and established models = 0.152694 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.152694 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9688 mas, bmaj=1.855 mas, bpa=-11.25 degrees ! Estimated noise=0.166812 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 = 0.00839261 Jy ! Component: 100 - total flux cleaned = 0.0133495 Jy ! Component: 150 - total flux cleaned = 0.0166634 Jy ! Component: 200 - total flux cleaned = 0.0191026 Jy ! Total flux subtracted in 200 components = 0.0191026 Jy ! Clean residual min=-0.001348 max=0.001443 Jy/beam ! Clean residual mean=0.000003 rms=0.000315 Jy/beam ! Combined flux in latest and established models = 0.171796 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 44 components and 0.171796 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00197332 Jy ! Component: 100 - total flux cleaned = 0.00363968 Jy ! Component: 150 - total flux cleaned = 0.00507521 Jy ! Component: 200 - total flux cleaned = 0.00632683 Jy ! Total flux subtracted in 200 components = 0.00632683 Jy ! Clean residual min=-0.000941 max=0.000940 Jy/beam ! Clean residual mean=0.000002 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.178123 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 81 components and 0.178123 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=2.228 mas, bmaj=2.736 mas, bpa=-9.627 degrees ! Estimated noise=0.205352 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00168521 Jy ! Component: 100 - total flux cleaned = 0.00295826 Jy ! Component: 150 - total flux cleaned = 0.00399347 Jy ! Component: 200 - total flux cleaned = 0.00486295 Jy ! Total flux subtracted in 200 components = 0.00486295 Jy ! Clean residual min=-0.000897 max=0.000847 Jy/beam ! Clean residual mean=0.000004 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.182986 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 = 0.000741022 Jy ! Component: 100 - total flux cleaned = 0.00137629 Jy ! Component: 150 - total flux cleaned = 0.00192309 Jy ! Component: 200 - total flux cleaned = 0.00239508 Jy ! Total flux subtracted in 200 components = 0.00239508 Jy ! Clean residual min=-0.000768 max=0.000717 Jy/beam ! Clean residual mean=0.000003 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.185381 Jy ! Adding 113 model components to the UV plane model. ! The established model now contains 177 components and 0.185381 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9688 mas, bmaj=1.855 mas, bpa=-11.25 degrees ! Estimated noise=0.166812 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000678973 Jy ! Component: 100 - total flux cleaned = 0.00107696 Jy ! Component: 150 - total flux cleaned = 0.00133376 Jy ! Component: 200 - total flux cleaned = 0.00155125 Jy ! Total flux subtracted in 200 components = 0.00155125 Jy ! Clean residual min=-0.000749 max=0.000733 Jy/beam ! Clean residual mean=0.000001 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.186932 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 197 components and 0.186932 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=0.083019Jy sigma=1.208159 ! Fit after self-cal, rms=0.083015Jy sigma=1.208090 wmodel J1755+2023_X_map.mod ! Writing 197 model components to file: J1755+2023_X_map.mod wobs J1755+2023_X_uvs.fits ! Writing UV FITS file: J1755+2023_X_uvs.fits wwins J1755+2023_X_map.win ! wwins: Wrote 5 windows to J1755+2023_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 = 1.70644e-05 Jy ! Component: 100 - total flux cleaned = -7.03245e-05 Jy ! Component: 150 - total flux cleaned = -0.000178295 Jy ! Component: 200 - total flux cleaned = -0.000294616 Jy ! Component: 250 - total flux cleaned = -0.000362794 Jy ! Component: 300 - total flux cleaned = -0.000373902 Jy ! Component: 350 - total flux cleaned = -0.000417717 Jy ! Component: 400 - total flux cleaned = -0.00048211 Jy ! Component: 450 - total flux cleaned = -0.00050314 Jy ! Component: 500 - total flux cleaned = -0.00053458 Jy ! Component: 550 - total flux cleaned = -0.000586049 Jy ! Component: 600 - total flux cleaned = -0.000626743 Jy ! Component: 650 - total flux cleaned = -0.000687026 Jy ! Component: 700 - total flux cleaned = -0.000716847 Jy ! Component: 750 - total flux cleaned = -0.000755982 Jy ! Component: 800 - total flux cleaned = -0.000785099 Jy ! Component: 850 - total flux cleaned = -0.00081397 Jy ! Component: 900 - total flux cleaned = -0.000852072 Jy ! Component: 950 - total flux cleaned = -0.000880389 Jy ! Component: 1000 - total flux cleaned = -0.000917623 Jy ! Component: 1050 - total flux cleaned = -0.000945329 Jy ! Component: 1100 - total flux cleaned = -0.000991041 Jy ! Component: 1150 - total flux cleaned = -0.000981858 Jy ! Component: 1200 - total flux cleaned = -0.00103576 Jy ! Component: 1250 - total flux cleaned = -0.00104478 Jy ! Component: 1300 - total flux cleaned = -0.00105365 Jy ! Component: 1350 - total flux cleaned = -0.0010976 Jy ! Component: 1400 - total flux cleaned = -0.00110626 Jy ! Component: 1450 - total flux cleaned = -0.00113215 Jy ! Component: 1500 - total flux cleaned = -0.00111511 Jy ! Component: 1550 - total flux cleaned = -0.00114063 Jy ! Component: 1600 - total flux cleaned = -0.00115754 Jy ! Component: 1650 - total flux cleaned = -0.00118261 Jy ! Component: 1700 - total flux cleaned = -0.00119916 Jy ! Component: 1750 - total flux cleaned = -0.00119917 Jy ! Component: 1800 - total flux cleaned = -0.00118283 Jy ! Component: 1850 - total flux cleaned = -0.00121557 Jy ! Component: 1900 - total flux cleaned = -0.00122356 Jy ! Component: 1950 - total flux cleaned = -0.00119947 Jy ! Component: 2000 - total flux cleaned = -0.00119952 Jy ! Component: 2050 - total flux cleaned = -0.00123934 Jy ! Component: 2100 - total flux cleaned = -0.00125517 Jy ! Component: 2150 - total flux cleaned = -0.00123165 Jy ! Component: 2200 - total flux cleaned = -0.00125509 Jy ! Component: 2250 - total flux cleaned = -0.00125517 Jy ! Component: 2300 - total flux cleaned = -0.00128596 Jy ! Component: 2350 - total flux cleaned = -0.00127059 Jy ! Component: 2400 - total flux cleaned = -0.00130865 Jy ! Component: 2450 - total flux cleaned = -0.0012784 Jy ! Component: 2500 - total flux cleaned = -0.00127834 Jy ! Component: 2550 - total flux cleaned = -0.00130084 Jy ! Component: 2600 - total flux cleaned = -0.00131567 Jy ! Component: 2650 - total flux cleaned = -0.00131567 Jy ! Component: 2700 - total flux cleaned = -0.00132296 Jy ! Component: 2750 - total flux cleaned = -0.00133019 Jy ! Component: 2800 - total flux cleaned = -0.00131566 Jy ! Component: 2850 - total flux cleaned = -0.00128669 Jy ! Component: 2900 - total flux cleaned = -0.00132994 Jy ! Component: 2950 - total flux cleaned = -0.00131558 Jy ! Component: 3000 - total flux cleaned = -0.00130134 Jy ! Component: 3050 - total flux cleaned = -0.00130847 Jy ! Component: 3100 - total flux cleaned = -0.00130139 Jy ! Component: 3150 - total flux cleaned = -0.0013084 Jy ! Component: 3200 - total flux cleaned = -0.00132936 Jy ! Component: 3250 - total flux cleaned = -0.00131549 Jy ! Component: 3300 - total flux cleaned = -0.00131548 Jy ! Component: 3350 - total flux cleaned = -0.00132238 Jy ! Component: 3400 - total flux cleaned = -0.00132925 Jy ! Component: 3450 - total flux cleaned = -0.00134971 Jy ! Component: 3500 - total flux cleaned = -0.00134963 Jy ! Component: 3550 - total flux cleaned = -0.0013025 Jy ! Component: 3600 - total flux cleaned = -0.00134275 Jy ! Component: 3650 - total flux cleaned = -0.00133609 Jy ! Component: 3700 - total flux cleaned = -0.001356 Jy ! Component: 3750 - total flux cleaned = -0.00135602 Jy ! Component: 3800 - total flux cleaned = -0.00134941 Jy ! Component: 3850 - total flux cleaned = -0.00133633 Jy ! Component: 3900 - total flux cleaned = -0.00133635 Jy ! Component: 3950 - total flux cleaned = -0.00135582 Jy ! Component: 4000 - total flux cleaned = -0.00136225 Jy ! Component: 4050 - total flux cleaned = -0.00139438 Jy ! Total flux subtracted in 4096 components = -0.00137516 Jy ! Clean residual min=-0.000417 max=0.000319 Jy/beam ! Clean residual mean=0.000001 rms=0.000111 Jy/beam ! Combined flux in latest and established models = 0.185557 Jy keep ! Adding 297 model components to the UV plane model. ! The established model now contains 494 components and 0.185557 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1755+2023_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9688 x 1.855 at -11.25 degrees (North through East) ! Clean map min=-0.00053504 max=0.12375 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1755+2023_X_map.fits wmodel /vlbi/uf001/uva//J1755+2023_X_map.mod ! Writing 494 model components to file: /vlbi/uf001/uva//J1755+2023_X_map.mod wobs /vlbi/uf001/uva//J1755+2023_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1755+2023_X_uvs.fits wwins /vlbi/uf001/uva//J1755+2023_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1755+2023_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.123747 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000111383 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.270026 0.270026 0.540051 1.0801 2.16021 4.32041 8.64082 17.2816 34.5633 69.1266 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.123 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1111.01 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1755+2023_X_dfm.log closed on Mon Jan 14 04:25:20 2019