! Started logfile: /vlbi/sb072/temp_maps//J1957-1835_X_dfm.log on Tue Mar 5 23:32:37 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/sb072/temp_maps//J1957-1835_X_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1957-1835_X_uvm.fits ! AN table 1: 23 integrations on 28 of 28 possible baselines. ! AN table 2: 23 integrations on 21 of 21 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1957-1835 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 9016 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1957-1835_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. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.999451Jy sigma=32.786768 ! Fit after self-cal, rms=0.980895Jy sigma=32.156421 ! 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=1.046 mas, bmaj=3.251 mas, bpa=4.885 degrees ! Estimated noise=0.523629 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 = 0.0143313 Jy ! Component: 100 - total flux cleaned = 0.0177748 Jy ! Total flux subtracted in 100 components = 0.0177748 Jy ! Clean residual min=-0.001735 max=0.001787 Jy/beam ! Clean residual mean=0.000009 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.0177748 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0177748 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.023568Jy sigma=0.719922 ! Fit after self-cal, rms=0.021994Jy sigma=0.668548 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00277388 Jy ! Component: 100 - total flux cleaned = 0.00417477 Jy ! Total flux subtracted in 100 components = 0.00417477 Jy ! Clean residual min=-0.001518 max=0.001561 Jy/beam ! Clean residual mean=0.000006 rms=0.000374 Jy/beam ! Combined flux in latest and established models = 0.0219496 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.0219496 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.021477Jy sigma=0.648296 ! Fit after self-cal, rms=0.021477Jy sigma=0.648182 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.284 mas, bmaj=3.572 mas, bpa=2.616 degrees ! Estimated noise=0.233409 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 = 0.0017836 Jy ! Component: 100 - total flux cleaned = 0.00263667 Jy ! Component: 150 - total flux cleaned = 0.00311792 Jy ! Component: 200 - total flux cleaned = 0.00337146 Jy ! Total flux subtracted in 200 components = 0.00337146 Jy ! Clean residual min=-0.000955 max=0.000970 Jy/beam ! Clean residual mean=0.000002 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.0253211 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 18 components and 0.0253211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.021348Jy sigma=0.643146 ! Fit after self-cal, rms=0.021348Jy sigma=0.642955 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.284 x 3.572 at 2.616 degrees (North through East) ! Clean map min=-0.00094768 max=0.021671 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 0.96 LA 1.03 ! NL 1.25 OV 1.10 PT 1.01 SC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.90 HN 0.71 LA 0.95 NL 1.04 ! OV 1.08 PT 0.84 SC 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.14 HN 1.08 LA 1.03 ! NL 1.14 OV 0.96 PT 1.05 SC 1.10 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 HN 0.83 LA 0.98 NL 1.03 ! OV 0.94 PT 0.91 SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.94 LA 1.06 ! NL 1.23 OV 1.00 PT 0.96 SC 1.13 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.91 HN 0.88 LA 1.01 NL 0.97 ! OV 1.16 PT 0.85 SC 0.88 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.98 HN 1.04 LA 1.11 ! NL 1.24 OV 0.92 PT 1.01 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.92 HN 0.82 LA 0.91 NL 0.98 ! OV 1.16 PT 0.91 SC 0.89 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.03 HN 1.12 LA 1.01 ! NL 1.32 OV 0.96 PT 1.09 SC 1.15 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.95 HN 0.88 LA 1.10 NL 0.86 ! OV 1.13 PT 0.88 SC 1.03 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.92 HN 0.91 LA 1.17 ! NL 1.26 OV 0.98 PT 1.00 SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.94 HN 0.89 LA 1.05 NL 1.00 ! OV 1.17 PT 0.87 SC 1.08 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.97 HN 0.98 LA 1.00 ! NL 1.18 OV 1.17 PT 0.96 SC 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.92 HN 0.82 LA 1.04 NL 0.96 ! OV 1.16 PT 0.86 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 0.94 LA 1.08 ! NL 1.20 OV 0.96 PT 0.91 SC 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.83 HN 0.78 LA 1.00 NL 1.02 ! OV 1.12 PT 0.92 SC 1.07 ! ! ! Fit before self-cal, rms=0.021348Jy sigma=0.642955 ! Fit after self-cal, rms=0.021101Jy sigma=0.633798 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.275 mas, bmaj=3.538 mas, bpa=2.185 degrees ! Estimated noise=0.230397 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 = 0.000259259 Jy ! Component: 100 - total flux cleaned = 0.000286245 Jy ! Component: 150 - total flux cleaned = 0.000293785 Jy ! Component: 200 - total flux cleaned = 0.000299679 Jy ! Total flux subtracted in 200 components = 0.000299679 Jy ! Clean residual min=-0.000527 max=0.000648 Jy/beam ! Clean residual mean=-0.000001 rms=0.000150 Jy/beam ! Combined flux in latest and established models = 0.0256207 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 30 components and 0.0256207 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.021094Jy sigma=0.633563 ! Fit after self-cal, rms=0.021128Jy sigma=0.633072 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.021128Jy sigma=0.633072 ! Fit after self-cal, rms=0.021068Jy sigma=0.632986 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.271 mas, bmaj=3.525 mas, bpa=2.074 degrees ! Estimated noise=0.230191 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000136059 Jy ! Component: 100 - total flux cleaned = 0.000159124 Jy ! Component: 150 - total flux cleaned = 0.000168528 Jy ! Component: 200 - total flux cleaned = 0.000176457 Jy ! Total flux subtracted in 200 components = 0.000176457 Jy ! Clean residual min=-0.000529 max=0.000616 Jy/beam ! Clean residual mean=-0.000001 rms=0.000146 Jy/beam ! Combined flux in latest and established models = 0.0257972 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 38 components and 0.0257972 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.021065Jy sigma=0.632898 ! Fit after self-cal, rms=0.021068Jy sigma=0.632885 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 (32.4, -17.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000519961 Jy ! Component: 100 - total flux cleaned = 0.000633266 Jy ! Component: 150 - total flux cleaned = 0.000657711 Jy ! Component: 200 - total flux cleaned = 0.000658259 Jy ! Total flux subtracted in 200 components = 0.000658259 Jy ! Clean residual min=-0.000526 max=0.000449 Jy/beam ! Clean residual mean=-0.000001 rms=0.000125 Jy/beam ! Combined flux in latest and established models = 0.0264555 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 56 components and 0.0264555 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.021052Jy sigma=0.632450 ! Fit after self-cal, rms=0.021047Jy sigma=0.632381 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.021047Jy sigma=0.632381 ! Fit after self-cal, rms=0.020943Jy sigma=0.632344 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.268 mas, bmaj=3.52 mas, bpa=2.093 degrees ! Estimated noise=0.229489 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000161193 Jy ! Component: 100 - total flux cleaned = 0.000231634 Jy ! Component: 150 - total flux cleaned = 0.0002757 Jy ! Component: 200 - total flux cleaned = 0.000294785 Jy ! Total flux subtracted in 200 components = 0.000294785 Jy ! Clean residual min=-0.000531 max=0.000417 Jy/beam ! Clean residual mean=-0.000002 rms=0.000122 Jy/beam ! Combined flux in latest and established models = 0.0267503 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 61 components and 0.0267503 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.020938Jy sigma=0.632237 ! Fit after self-cal, rms=0.020936Jy sigma=0.632216 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 = 7.54065e-05 Jy ! Component: 100 - total flux cleaned = 8.48421e-05 Jy ! Component: 150 - total flux cleaned = 8.50702e-05 Jy ! Component: 200 - total flux cleaned = 8.87932e-05 Jy ! Total flux subtracted in 200 components = 8.87932e-05 Jy ! Clean residual min=-0.000535 max=0.000412 Jy/beam ! Clean residual mean=-0.000002 rms=0.000121 Jy/beam ! Combined flux in latest and established models = 0.026839 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 69 components and 0.026839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.020934Jy sigma=0.632170 ! Fit after self-cal, rms=0.020934Jy sigma=0.632167 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.020934Jy sigma=0.632167 ! Fit after self-cal, rms=0.020901Jy sigma=0.632154 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.129 mas, bmaj=4.533 mas, bpa=-6.973 degrees ! Estimated noise=0.260617 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.90067e-05 Jy ! Component: 100 - total flux cleaned = 9.73922e-05 Jy ! Component: 150 - total flux cleaned = 0.000105979 Jy ! Component: 200 - total flux cleaned = 0.000113569 Jy ! Total flux subtracted in 200 components = 0.000113569 Jy ! Clean residual min=-0.000500 max=0.000490 Jy/beam ! Clean residual mean=-0.000003 rms=0.000127 Jy/beam ! Combined flux in latest and established models = 0.0269526 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 81 components and 0.0269526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.020900Jy sigma=0.632151 ! Fit after self-cal, rms=0.020899Jy sigma=0.632142 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 = 3.77146e-06 Jy ! Component: 100 - total flux cleaned = 9.79616e-07 Jy ! Component: 150 - total flux cleaned = -3.83019e-06 Jy ! Component: 200 - total flux cleaned = -8.48658e-06 Jy ! Total flux subtracted in 200 components = -8.48658e-06 Jy ! Clean residual min=-0.000503 max=0.000484 Jy/beam ! Clean residual mean=-0.000003 rms=0.000127 Jy/beam ! Combined flux in latest and established models = 0.0269441 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 88 components and 0.0269441 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.020899Jy sigma=0.632143 ! Fit after self-cal, rms=0.020899Jy sigma=0.632138 ! 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=1.267 mas, bmaj=3.516 mas, bpa=2.112 degrees ! Estimated noise=0.229401 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.267 x 3.516 at 2.112 degrees (North through East) ! Clean map min=-0.00051029 max=0.021427 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=1.034 mas, bmaj=3.195 mas, bpa=4.298 degrees ! Estimated noise=0.506602 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.015023 Jy ! Component: 100 - total flux cleaned = 0.0191321 Jy ! Component: 150 - total flux cleaned = 0.0214422 Jy ! Component: 200 - total flux cleaned = 0.0228065 Jy ! Total flux subtracted in 200 components = 0.0228065 Jy ! Clean residual min=-0.001217 max=0.001178 Jy/beam ! Clean residual mean=0.000004 rms=0.000320 Jy/beam ! Combined flux in latest and established models = 0.0228065 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0228065 Jy ! Inverting map and beam ! Estimated beam: bmin=1.267 mas, bmaj=3.516 mas, bpa=2.112 degrees ! Estimated noise=0.229401 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 = 0.00159567 Jy ! Component: 100 - total flux cleaned = 0.00244792 Jy ! Component: 150 - total flux cleaned = 0.00294049 Jy ! Component: 200 - total flux cleaned = 0.00320026 Jy ! Total flux subtracted in 200 components = 0.00320026 Jy ! Clean residual min=-0.000572 max=0.000493 Jy/beam ! Clean residual mean=0.000000 rms=0.000140 Jy/beam ! Combined flux in latest and established models = 0.0260068 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 36 components and 0.0260068 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=2.129 mas, bmaj=4.533 mas, bpa=-6.973 degrees ! Estimated noise=0.260617 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000403454 Jy ! Component: 100 - total flux cleaned = 0.000642219 Jy ! Component: 150 - total flux cleaned = 0.000737981 Jy ! Component: 200 - total flux cleaned = 0.000795733 Jy ! Total flux subtracted in 200 components = 0.000795733 Jy ! Clean residual min=-0.000515 max=0.000485 Jy/beam ! Clean residual mean=-0.000003 rms=0.000131 Jy/beam ! Combined flux in latest and established models = 0.0268025 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 = 3.45971e-05 Jy ! Component: 100 - total flux cleaned = 5.34246e-05 Jy ! Component: 150 - total flux cleaned = 6.33637e-05 Jy ! Component: 200 - total flux cleaned = 6.32545e-05 Jy ! Total flux subtracted in 200 components = 6.32545e-05 Jy ! Clean residual min=-0.000505 max=0.000483 Jy/beam ! Clean residual mean=-0.000003 rms=0.000128 Jy/beam ! Combined flux in latest and established models = 0.0268658 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 61 components and 0.0268658 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.267 mas, bmaj=3.516 mas, bpa=2.112 degrees ! Estimated noise=0.229401 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.26167e-05 Jy ! Component: 100 - total flux cleaned = 8.28244e-05 Jy ! Component: 150 - total flux cleaned = 7.24992e-05 Jy ! Component: 200 - total flux cleaned = 5.88497e-05 Jy ! Total flux subtracted in 200 components = 5.88497e-05 Jy ! Clean residual min=-0.000531 max=0.000430 Jy/beam ! Clean residual mean=-0.000002 rms=0.000121 Jy/beam ! Combined flux in latest and established models = 0.0269246 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 80 components and 0.0269246 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.020901Jy sigma=0.632198 ! Fit after self-cal, rms=0.020900Jy sigma=0.632182 wmodel J1957-1835_X_map.mod ! Writing 80 model components to file: J1957-1835_X_map.mod wobs J1957-1835_X_uvs.fits ! Writing UV FITS file: J1957-1835_X_uvs.fits wwins J1957-1835_X_map.win ! wwins: Wrote 2 windows to J1957-1835_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 = -0.000171117 Jy ! Component: 100 - total flux cleaned = -0.000216745 Jy ! Component: 150 - total flux cleaned = -0.000259703 Jy ! Component: 200 - total flux cleaned = -0.000294139 Jy ! Component: 250 - total flux cleaned = -0.00032739 Jy ! Component: 300 - total flux cleaned = -0.000353308 Jy ! Component: 350 - total flux cleaned = -0.000397182 Jy ! Component: 400 - total flux cleaned = -0.000427777 Jy ! Component: 450 - total flux cleaned = -0.00045182 Jy ! Component: 500 - total flux cleaned = -0.000475313 Jy ! Component: 550 - total flux cleaned = -0.000504073 Jy ! Component: 600 - total flux cleaned = -0.000537943 Jy ! Component: 650 - total flux cleaned = -0.000571216 Jy ! Component: 700 - total flux cleaned = -0.00058764 Jy ! Component: 750 - total flux cleaned = -0.00061446 Jy ! Component: 800 - total flux cleaned = -0.000646119 Jy ! Component: 850 - total flux cleaned = -0.000666797 Jy ! Component: 900 - total flux cleaned = -0.00070259 Jy ! Component: 950 - total flux cleaned = -0.000727835 Jy ! Component: 1000 - total flux cleaned = -0.000772591 Jy ! Component: 1050 - total flux cleaned = -0.000797085 Jy ! Component: 1100 - total flux cleaned = -0.000826108 Jy ! Component: 1150 - total flux cleaned = -0.000845182 Jy ! Component: 1200 - total flux cleaned = -0.000873294 Jy ! Component: 1250 - total flux cleaned = -0.000887186 Jy ! Component: 1300 - total flux cleaned = -0.000914647 Jy ! Component: 1350 - total flux cleaned = -0.000932755 Jy ! Component: 1400 - total flux cleaned = -0.000959538 Jy ! Component: 1450 - total flux cleaned = -0.000977179 Jy ! Component: 1500 - total flux cleaned = -0.000994646 Jy ! Component: 1550 - total flux cleaned = -0.00100753 Jy ! Component: 1600 - total flux cleaned = -0.00101606 Jy ! Component: 1650 - total flux cleaned = -0.0010244 Jy ! Component: 1700 - total flux cleaned = -0.00104521 Jy ! Component: 1750 - total flux cleaned = -0.00104932 Jy ! Component: 1800 - total flux cleaned = -0.00105746 Jy ! Component: 1850 - total flux cleaned = -0.00106957 Jy ! Component: 1900 - total flux cleaned = -0.0010816 Jy ! Component: 1950 - total flux cleaned = -0.00109348 Jy ! Component: 2000 - total flux cleaned = -0.00108953 Jy ! Component: 2050 - total flux cleaned = -0.00108956 Jy ! Component: 2100 - total flux cleaned = -0.00110112 Jy ! Component: 2150 - total flux cleaned = -0.00109728 Jy ! Component: 2200 - total flux cleaned = -0.00111628 Jy ! Component: 2250 - total flux cleaned = -0.00112378 Jy ! Component: 2300 - total flux cleaned = -0.00111633 Jy ! Component: 2350 - total flux cleaned = -0.00112376 Jy ! Component: 2400 - total flux cleaned = -0.00113475 Jy ! Component: 2450 - total flux cleaned = -0.00113109 Jy ! Component: 2500 - total flux cleaned = -0.0011383 Jy ! Component: 2550 - total flux cleaned = -0.0011383 Jy ! Component: 2600 - total flux cleaned = -0.00113474 Jy ! Component: 2650 - total flux cleaned = -0.00112766 Jy ! Component: 2700 - total flux cleaned = -0.00112418 Jy ! Component: 2750 - total flux cleaned = -0.00113114 Jy ! Component: 2800 - total flux cleaned = -0.00112772 Jy ! Component: 2850 - total flux cleaned = -0.00112774 Jy ! Component: 2900 - total flux cleaned = -0.00112775 Jy ! Component: 2950 - total flux cleaned = -0.00113115 Jy ! Component: 3000 - total flux cleaned = -0.00113115 Jy ! Component: 3050 - total flux cleaned = -0.00113114 Jy ! Component: 3100 - total flux cleaned = -0.00114114 Jy ! Component: 3150 - total flux cleaned = -0.00113779 Jy ! Component: 3200 - total flux cleaned = -0.0011444 Jy ! Component: 3250 - total flux cleaned = -0.00114767 Jy ! Component: 3300 - total flux cleaned = -0.00115419 Jy ! Component: 3350 - total flux cleaned = -0.00116394 Jy ! Component: 3400 - total flux cleaned = -0.00117041 Jy ! Component: 3450 - total flux cleaned = -0.00117041 Jy ! Component: 3500 - total flux cleaned = -0.0011768 Jy ! Component: 3550 - total flux cleaned = -0.00118316 Jy ! Component: 3600 - total flux cleaned = -0.00118315 Jy ! Component: 3650 - total flux cleaned = -0.00119888 Jy ! Component: 3700 - total flux cleaned = -0.00120201 Jy ! Component: 3750 - total flux cleaned = -0.00119887 Jy ! Component: 3800 - total flux cleaned = -0.00120506 Jy ! Component: 3850 - total flux cleaned = -0.00120814 Jy ! Component: 3900 - total flux cleaned = -0.00121428 Jy ! Component: 3950 - total flux cleaned = -0.00121734 Jy ! Component: 4000 - total flux cleaned = -0.00122345 Jy ! Component: 4050 - total flux cleaned = -0.00122347 Jy ! Total flux subtracted in 4096 components = -0.00123554 Jy ! Clean residual min=-0.000188 max=0.000190 Jy/beam ! Clean residual mean=-0.000002 rms=0.000053 Jy/beam ! Combined flux in latest and established models = 0.0256891 Jy keep ! Adding 258 model components to the UV plane model. ! The established model now contains 338 components and 0.0256891 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1957-1835_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.267 x 3.516 at 2.112 degrees (North through East) ! Clean map min=-0.0003632 max=0.021299 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1957-1835_X_map.fits wmodel /vlbi/sb072/temp_maps//J1957-1835_X_map.mod ! Writing 338 model components to file: /vlbi/sb072/temp_maps//J1957-1835_X_map.mod wobs /vlbi/sb072/temp_maps//J1957-1835_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1957-1835_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1957-1835_X_map.win ! wwins: Wrote 3 windows to /vlbi/sb072/temp_maps//J1957-1835_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0212993 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.31915e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.749199 0.749199 1.4984 2.9968 5.9936 11.9872 23.9744 47.9488 95.8975 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.021 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 400.427 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1957-1835_X_dfm.log closed on Tue Mar 5 23:32:41 2019