! Started logfile: /vlbi/bp222/maps//J1937+8356_X_dfm.log on Thu Sep 27 11:32:57 2018 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/bp222/maps//J1937+8356_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1937+8356_X_uvm.fits ! AN table 1: 35 integrations on 21 of 21 possible baselines. ! AN table 2: 14 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.983141 visibilities/baseline/integration-bin. ! Found source: J1937+8356 ! ! 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 108 lines of history. ! ! Reading 13296 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 J1937+8356_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 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 1 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.024528Jy sigma=16.173607 ! Fit after self-cal, rms=0.790294Jy sigma=12.390016 ! 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=0.6115 mas, bmaj=2.751 mas, bpa=46.68 degrees ! Estimated noise=0.973882 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 = 0.162346 Jy ! Component: 100 - total flux cleaned = 0.198478 Jy ! Total flux subtracted in 100 components = 0.198478 Jy ! Clean residual min=-0.007629 max=0.012227 Jy/beam ! Clean residual mean=-0.000001 rms=0.002025 Jy/beam ! Combined flux in latest and established models = 0.198478 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.198478 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=0.062172Jy sigma=0.929019 ! Fit after self-cal, rms=0.062170Jy sigma=0.928615 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0136401 Jy ! Component: 100 - total flux cleaned = 0.0174952 Jy ! Total flux subtracted in 100 components = 0.0174952 Jy ! Clean residual min=-0.005424 max=0.010412 Jy/beam ! Clean residual mean=-0.000001 rms=0.001489 Jy/beam ! Combined flux in latest and established models = 0.215973 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 13 components and 0.215974 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=0.059316Jy sigma=0.873602 ! Fit after self-cal, rms=0.059285Jy sigma=0.872735 ! Inverting map ! Added new window around map position (-7, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00886615 Jy ! Component: 100 - total flux cleaned = 0.0109283 Jy ! Total flux subtracted in 100 components = 0.0109283 Jy ! Clean residual min=-0.004523 max=0.005063 Jy/beam ! Clean residual mean=-0.000000 rms=0.001179 Jy/beam ! Combined flux in latest and established models = 0.226902 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 25 components and 0.226902 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=0.057993Jy sigma=0.846368 ! Fit after self-cal, rms=0.057957Jy sigma=0.845736 ! 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=0.8319 mas, bmaj=2.661 mas, bpa=45.63 degrees ! Estimated noise=0.40647 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 = 0.00487366 Jy ! Component: 100 - total flux cleaned = 0.0069384 Jy ! Component: 150 - total flux cleaned = 0.00836449 Jy ! Component: 200 - total flux cleaned = 0.0100657 Jy ! Total flux subtracted in 200 components = 0.0100657 Jy ! Clean residual min=-0.003670 max=0.003491 Jy/beam ! Clean residual mean=-0.000001 rms=0.000978 Jy/beam ! Combined flux in latest and established models = 0.236967 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 50 components and 0.236967 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=0.057230Jy sigma=0.828940 ! Fit after self-cal, rms=0.057227Jy sigma=0.828793 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8319 x 2.661 at 45.63 degrees (North through East) ! Clean map min=-0.0054701 max=0.2155 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 1.01 KP 1.01 ! MK 1.00 NL 0.96 OV 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.01 HN 1.04 KP 0.98 ! MK 1.04 NL 1.06 OV 1.01 SC 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 1.03 KP 1.00 ! MK 1.04 NL 0.94 OV 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00 HN 1.02 KP 0.98 ! MK 1.07 NL 1.01 OV 0.99 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.02 KP 1.02 ! MK 1.02 NL 0.94 OV 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 HN 1.03 KP 1.00 ! MK 1.00 NL 1.06 OV 0.98 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 1.03 KP 1.01 ! MK 0.99 NL 0.93 OV 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.04 HN 1.07 KP 1.00 ! MK 1.03 NL 1.07 OV 0.97 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 1.00 KP 1.01 ! MK 0.99 NL 0.95 OV 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 HN 1.03 KP 1.01 ! MK 1.01 NL 1.06 OV 0.97 SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 1.00 KP 0.97 ! MK 0.99 NL 0.94 OV 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.98 HN 1.08 KP 0.96 ! MK 1.00 NL 1.04 OV 0.98 SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 0.99 KP 1.00 ! MK 1.00 NL 0.94 OV 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.97 HN 0.98 KP 1.00 ! MK 1.02 NL 1.03 OV 0.99 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 1.00 KP 1.02 ! MK 0.96 NL 0.94 OV 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.05 HN 1.03 KP 0.96 ! MK 1.01 NL 1.03 OV 1.02 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 0.96 KP 1.01 ! MK 0.97 NL 0.92 OV 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.03 HN 1.02 KP 0.97 ! MK 1.04 NL 1.02 OV 0.99 SC 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 HN 0.99 KP 1.01 ! MK 1.00 NL 0.95 OV 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.02 HN 1.01 KP 0.98 ! MK 1.00 NL 1.02 OV 0.96 SC 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 1.03 KP 1.01 ! MK 1.01 NL 0.91 OV 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 HN 1.00 KP 0.98 ! MK 1.08 NL 1.03 OV 1.01 SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 1.00 KP 0.98 ! MK 0.98 NL 0.94 OV 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.06 HN 1.05 KP 1.00 ! MK 0.98 NL 1.07 OV 0.97 SC 0.94 ! ! ! Fit before self-cal, rms=0.057227Jy sigma=0.828793 ! Fit after self-cal, rms=0.055959Jy sigma=0.815291 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8333 mas, bmaj=2.673 mas, bpa=45.61 degrees ! Estimated noise=0.40281 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 = 0.00234945 Jy ! Component: 100 - total flux cleaned = 0.00379903 Jy ! Component: 150 - total flux cleaned = 0.00484747 Jy ! Component: 200 - total flux cleaned = 0.00556954 Jy ! Total flux subtracted in 200 components = 0.00556954 Jy ! Clean residual min=-0.001418 max=0.001404 Jy/beam ! Clean residual mean=-0.000001 rms=0.000362 Jy/beam ! Combined flux in latest and established models = 0.242537 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 69 components and 0.242537 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=0.055860Jy sigma=0.813037 ! Fit after self-cal, rms=0.055864Jy sigma=0.812913 ! 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=0.055864Jy sigma=0.812913 ! Fit after self-cal, rms=0.055756Jy sigma=0.812875 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8327 mas, bmaj=2.673 mas, bpa=45.6 degrees ! Estimated noise=0.402278 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00088823 Jy ! Component: 100 - total flux cleaned = 0.0014982 Jy ! Component: 150 - total flux cleaned = 0.00200081 Jy ! Component: 200 - total flux cleaned = 0.00238525 Jy ! Total flux subtracted in 200 components = 0.00238525 Jy ! Clean residual min=-0.001235 max=0.001255 Jy/beam ! Clean residual mean=-0.000001 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.244922 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 90 components and 0.244922 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=0.055732Jy sigma=0.812437 ! Fit after self-cal, rms=0.055731Jy sigma=0.812418 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 = 0.000328189 Jy ! Component: 100 - total flux cleaned = 0.00064732 Jy ! Component: 150 - total flux cleaned = 0.000954607 Jy ! Component: 200 - total flux cleaned = 0.00122505 Jy ! Total flux subtracted in 200 components = 0.00122505 Jy ! Clean residual min=-0.001141 max=0.001163 Jy/beam ! Clean residual mean=-0.000001 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.246147 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 108 components and 0.246147 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=0.055719Jy sigma=0.812233 ! Fit after self-cal, rms=0.055719Jy sigma=0.812225 ! 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=0.055719Jy sigma=0.812225 ! Fit after self-cal, rms=0.055686Jy sigma=0.812197 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8321 mas, bmaj=2.672 mas, bpa=45.59 degrees ! Estimated noise=0.402422 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000554976 Jy ! Component: 100 - total flux cleaned = 0.000980057 Jy ! Component: 150 - total flux cleaned = 0.0012287 Jy ! Component: 200 - total flux cleaned = 0.00141867 Jy ! Total flux subtracted in 200 components = 0.00141867 Jy ! Clean residual min=-0.001125 max=0.001095 Jy/beam ! Clean residual mean=-0.000001 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.247566 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 117 components and 0.247566 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=0.055674Jy sigma=0.812071 ! Fit after self-cal, rms=0.055673Jy sigma=0.812066 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 = 0.000210083 Jy ! Component: 100 - total flux cleaned = 0.00037007 Jy ! Component: 150 - total flux cleaned = 0.000533946 Jy ! Component: 200 - total flux cleaned = 0.000653948 Jy ! Total flux subtracted in 200 components = 0.000653948 Jy ! Clean residual min=-0.001138 max=0.001057 Jy/beam ! Clean residual mean=-0.000001 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.24822 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 122 components and 0.24822 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=0.055667Jy sigma=0.811992 ! Fit after self-cal, rms=0.055667Jy sigma=0.811991 ! 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=0.055667Jy sigma=0.811991 ! Fit after self-cal, rms=0.055640Jy sigma=0.811964 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.783 mas, bmaj=2.969 mas, bpa=42.3 degrees ! Estimated noise=0.486372 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000507767 Jy ! Component: 100 - total flux cleaned = 0.000825464 Jy ! Component: 150 - total flux cleaned = 0.0010744 Jy ! Component: 200 - total flux cleaned = 0.00128572 Jy ! Total flux subtracted in 200 components = 0.00128572 Jy ! Clean residual min=-0.001082 max=0.001231 Jy/beam ! Clean residual mean=-0.000002 rms=0.000293 Jy/beam ! Combined flux in latest and established models = 0.249506 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 143 components and 0.249506 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=0.055640Jy sigma=0.811916 ! Fit after self-cal, rms=0.055639Jy sigma=0.811915 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 = 0.000171478 Jy ! Component: 100 - total flux cleaned = 0.000331696 Jy ! Component: 150 - total flux cleaned = 0.00046296 Jy ! Component: 200 - total flux cleaned = 0.000582998 Jy ! Total flux subtracted in 200 components = 0.000582998 Jy ! Clean residual min=-0.001035 max=0.001239 Jy/beam ! Clean residual mean=-0.000002 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.250089 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 151 components and 0.250089 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=0.055640Jy sigma=0.811917 ! Fit after self-cal, rms=0.055641Jy sigma=0.811916 ! Inverting map ! Added new window around map position (47, 41.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000518928 Jy ! Component: 100 - total flux cleaned = 0.000617982 Jy ! Component: 150 - total flux cleaned = 0.000734507 Jy ! Component: 200 - total flux cleaned = 0.000831536 Jy ! Total flux subtracted in 200 components = 0.000831536 Jy ! Clean residual min=-0.001033 max=0.001059 Jy/beam ! Clean residual mean=-0.000001 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.25092 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 172 components and 0.25092 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=0.055623Jy sigma=0.811662 ! Fit after self-cal, rms=0.055623Jy sigma=0.811641 ! 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=0.8315 mas, bmaj=2.672 mas, bpa=45.59 degrees ! Estimated noise=0.402576 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8315 x 2.672 at 45.59 degrees (North through East) ! Clean map min=-0.0025865 max=0.21403 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=0.6116 mas, bmaj=2.759 mas, bpa=46.64 degrees ! Estimated noise=0.968998 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.16144 Jy ! Component: 100 - total flux cleaned = 0.197884 Jy ! Component: 150 - total flux cleaned = 0.212027 Jy ! Component: 200 - total flux cleaned = 0.221093 Jy ! Total flux subtracted in 200 components = 0.221093 Jy ! Clean residual min=-0.004469 max=0.005032 Jy/beam ! Clean residual mean=-0.000001 rms=0.001106 Jy/beam ! Combined flux in latest and established models = 0.221093 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.221093 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8315 mas, bmaj=2.672 mas, bpa=45.59 degrees ! Estimated noise=0.402576 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 = 0.00751462 Jy ! Component: 100 - total flux cleaned = 0.0123901 Jy ! Component: 150 - total flux cleaned = 0.015044 Jy ! Component: 200 - total flux cleaned = 0.0169008 Jy ! Total flux subtracted in 200 components = 0.0169008 Jy ! Clean residual min=-0.002504 max=0.002462 Jy/beam ! Clean residual mean=-0.000001 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 0.237993 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 35 components and 0.237993 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=1.783 mas, bmaj=2.969 mas, bpa=42.3 degrees ! Estimated noise=0.486372 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00391951 Jy ! Component: 100 - total flux cleaned = 0.00599297 Jy ! Component: 150 - total flux cleaned = 0.00730508 Jy ! Component: 200 - total flux cleaned = 0.00827946 Jy ! Total flux subtracted in 200 components = 0.00827946 Jy ! Clean residual min=-0.001989 max=0.001486 Jy/beam ! Clean residual mean=-0.000002 rms=0.000504 Jy/beam ! Combined flux in latest and established models = 0.246273 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 = 0.000681012 Jy ! Component: 100 - total flux cleaned = 0.00128708 Jy ! Component: 150 - total flux cleaned = 0.00190465 Jy ! Component: 200 - total flux cleaned = 0.00243611 Jy ! Total flux subtracted in 200 components = 0.00243611 Jy ! Clean residual min=-0.001555 max=0.001258 Jy/beam ! Clean residual mean=-0.000001 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 0.248709 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 98 components and 0.248709 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8315 mas, bmaj=2.672 mas, bpa=45.59 degrees ! Estimated noise=0.402576 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000378586 Jy ! Component: 100 - total flux cleaned = 0.000470346 Jy ! Component: 150 - total flux cleaned = 0.000592522 Jy ! Component: 200 - total flux cleaned = 0.000705102 Jy ! Total flux subtracted in 200 components = 0.000705102 Jy ! Clean residual min=-0.001316 max=0.001152 Jy/beam ! Clean residual mean=-0.000000 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.249414 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 131 components and 0.249414 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=0.055705Jy sigma=0.812584 ! Fit after self-cal, rms=0.055694Jy sigma=0.812458 wmodel J1937+8356_X_map.mod ! Writing 131 model components to file: J1937+8356_X_map.mod wobs J1937+8356_X_uvs.fits ! Writing UV FITS file: J1937+8356_X_uvs.fits wwins J1937+8356_X_map.win ! wwins: Wrote 3 windows to J1937+8356_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 = -0.000466136 Jy ! Component: 100 - total flux cleaned = -0.000636581 Jy ! Component: 150 - total flux cleaned = -0.00071602 Jy ! Component: 200 - total flux cleaned = -0.000810143 Jy ! Component: 250 - total flux cleaned = -0.000882976 Jy ! Component: 300 - total flux cleaned = -0.000900906 Jy ! Component: 350 - total flux cleaned = -0.000884394 Jy ! Component: 400 - total flux cleaned = -0.000900986 Jy ! Component: 450 - total flux cleaned = -0.000868763 Jy ! Component: 500 - total flux cleaned = -0.000837016 Jy ! Component: 550 - total flux cleaned = -0.000821736 Jy ! Component: 600 - total flux cleaned = -0.000791388 Jy ! Component: 650 - total flux cleaned = -0.00073206 Jy ! Component: 700 - total flux cleaned = -0.000717353 Jy ! Component: 750 - total flux cleaned = -0.00064587 Jy ! Component: 800 - total flux cleaned = -0.000575578 Jy ! Component: 850 - total flux cleaned = -0.000492695 Jy ! Component: 900 - total flux cleaned = -0.000465161 Jy ! Component: 950 - total flux cleaned = -0.000438478 Jy ! Component: 1000 - total flux cleaned = -0.000385469 Jy ! Component: 1050 - total flux cleaned = -0.000385546 Jy ! Component: 1100 - total flux cleaned = -0.000308099 Jy ! Component: 1150 - total flux cleaned = -0.000308199 Jy ! Component: 1200 - total flux cleaned = -0.000232507 Jy ! Component: 1250 - total flux cleaned = -0.000157935 Jy ! Component: 1300 - total flux cleaned = -9.65601e-05 Jy ! Component: 1350 - total flux cleaned = -8.43849e-05 Jy ! Component: 1400 - total flux cleaned = -2.41112e-05 Jy ! Component: 1450 - total flux cleaned = -1.22463e-05 Jy ! Component: 1500 - total flux cleaned = 4.67041e-05 Jy ! Component: 1550 - total flux cleaned = 5.83982e-05 Jy ! Component: 1600 - total flux cleaned = 8.14308e-05 Jy ! Component: 1650 - total flux cleaned = 0.000115723 Jy ! Component: 1700 - total flux cleaned = 0.000115958 Jy ! Component: 1750 - total flux cleaned = 0.000194619 Jy ! Component: 1800 - total flux cleaned = 0.000205771 Jy ! Component: 1850 - total flux cleaned = 0.000238825 Jy ! Component: 1900 - total flux cleaned = 0.000304303 Jy ! Component: 1950 - total flux cleaned = 0.000347551 Jy ! Component: 2000 - total flux cleaned = 0.000411809 Jy ! Component: 2050 - total flux cleaned = 0.000454294 Jy ! Component: 2100 - total flux cleaned = 0.000485844 Jy ! Component: 2150 - total flux cleaned = 0.000548668 Jy ! Component: 2200 - total flux cleaned = 0.000558902 Jy ! Component: 2250 - total flux cleaned = 0.000558828 Jy ! Component: 2300 - total flux cleaned = 0.000548669 Jy ! Component: 2350 - total flux cleaned = 0.000568964 Jy ! Component: 2400 - total flux cleaned = 0.000569065 Jy ! Component: 2450 - total flux cleaned = 0.000579115 Jy ! Component: 2500 - total flux cleaned = 0.00059896 Jy ! Component: 2550 - total flux cleaned = 0.000618651 Jy ! Component: 2600 - total flux cleaned = 0.000608893 Jy ! Component: 2650 - total flux cleaned = 0.000638019 Jy ! Component: 2700 - total flux cleaned = 0.000676493 Jy ! Component: 2750 - total flux cleaned = 0.000676464 Jy ! Component: 2800 - total flux cleaned = 0.000705021 Jy ! Component: 2850 - total flux cleaned = 0.000695558 Jy ! Component: 2900 - total flux cleaned = 0.000723795 Jy ! Component: 2950 - total flux cleaned = 0.000723875 Jy ! Component: 3000 - total flux cleaned = 0.000770203 Jy ! Component: 3050 - total flux cleaned = 0.00076095 Jy ! Component: 3100 - total flux cleaned = 0.00078848 Jy ! Component: 3150 - total flux cleaned = 0.000815729 Jy ! Component: 3200 - total flux cleaned = 0.000797682 Jy ! Component: 3250 - total flux cleaned = 0.000833661 Jy ! Component: 3300 - total flux cleaned = 0.000851484 Jy ! Component: 3350 - total flux cleaned = 0.000842684 Jy ! Component: 3400 - total flux cleaned = 0.000886798 Jy ! Component: 3450 - total flux cleaned = 0.000895531 Jy ! Component: 3500 - total flux cleaned = 0.000913006 Jy ! Component: 3550 - total flux cleaned = 0.000947728 Jy ! Component: 3600 - total flux cleaned = 0.000947724 Jy ! Component: 3650 - total flux cleaned = 0.000947753 Jy ! Component: 3700 - total flux cleaned = 0.000973362 Jy ! Component: 3750 - total flux cleaned = 0.00102429 Jy ! Component: 3800 - total flux cleaned = 0.00102429 Jy ! Component: 3850 - total flux cleaned = 0.0010495 Jy ! Component: 3900 - total flux cleaned = 0.00108303 Jy ! Component: 3950 - total flux cleaned = 0.00110795 Jy ! Component: 4000 - total flux cleaned = 0.00110798 Jy ! Component: 4050 - total flux cleaned = 0.00114095 Jy ! Total flux subtracted in 4096 components = 0.00112452 Jy ! Clean residual min=-0.000501 max=0.000505 Jy/beam ! Clean residual mean=-0.000000 rms=0.000142 Jy/beam ! Combined flux in latest and established models = 0.250539 Jy keep ! Adding 259 model components to the UV plane model. ! The established model now contains 390 components and 0.250539 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1937+8356_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8315 x 2.672 at 45.59 degrees (North through East) ! Clean map min=-0.0020344 max=0.21424 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1937+8356_X_map.fits wmodel /vlbi/bp222/maps//J1937+8356_X_map.mod ! Writing 390 model components to file: /vlbi/bp222/maps//J1937+8356_X_map.mod wobs /vlbi/bp222/maps//J1937+8356_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1937+8356_X_uvs.fits wwins /vlbi/bp222/maps//J1937+8356_X_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J1937+8356_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.214236 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000141421 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.198035 0.198035 0.396071 0.792142 1.58428 3.16857 6.33713 12.6743 25.3485 50.6971 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.214 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1514.88 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1937+8356_X_dfm.log closed on Thu Sep 27 11:33:01 2018