! Started logfile: /vlbi/bp222/maps//J1641+2257_S_dfm.log on Thu Sep 27 11:24:02 2018 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/bp222/maps//J1641+2257_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1641+2257_S_uvm.fits ! AN table 1: 15 integrations on 21 of 21 possible baselines. ! AN table 2: 48 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.959863 visibilities/baseline/integration-bin. ! Found source: J1641+2257 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 54 lines of history. ! ! Reading 7844 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J1641+2257_S] 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 0.500x0.500 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 1 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 105 telescope corrections were flagged in sub-array 1. ! A total of 248 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.146065Jy sigma=17.762676 ! Fit after self-cal, rms=0.421254Jy sigma=6.569760 ! 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=2.659 mas, bmaj=6.573 mas, bpa=2.504 degrees ! Estimated noise=0.857646 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 = 0.455266 Jy ! Component: 100 - total flux cleaned = 0.554654 Jy ! Total flux subtracted in 100 components = 0.554654 Jy ! Clean residual min=-0.012560 max=0.029063 Jy/beam ! Clean residual mean=-0.000029 rms=0.003605 Jy/beam ! Combined flux in latest and established models = 0.554655 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.554655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.133086Jy sigma=1.426112 ! Fit after self-cal, rms=0.133088Jy sigma=1.425985 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0280774 Jy ! Component: 100 - total flux cleaned = 0.0394696 Jy ! Total flux subtracted in 100 components = 0.0394696 Jy ! Clean residual min=-0.012411 max=0.012825 Jy/beam ! Clean residual mean=-0.000004 rms=0.003054 Jy/beam ! Combined flux in latest and established models = 0.594124 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 14 components and 0.594124 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124532Jy sigma=1.295004 ! Fit after self-cal, rms=0.124507Jy sigma=1.294535 ! 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=3.21 mas, bmaj=7.637 mas, bpa=2.996 degrees ! Estimated noise=0.61705 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 = 0.00947185 Jy ! Component: 100 - total flux cleaned = 0.0153536 Jy ! Component: 150 - total flux cleaned = 0.0191724 Jy ! Component: 200 - total flux cleaned = 0.021657 Jy ! Total flux subtracted in 200 components = 0.021657 Jy ! Clean residual min=-0.013394 max=0.014692 Jy/beam ! Clean residual mean=0.000016 rms=0.003382 Jy/beam ! Combined flux in latest and established models = 0.615781 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 26 components and 0.615781 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123134Jy sigma=1.282795 ! Fit after self-cal, rms=0.123126Jy sigma=1.282695 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.21 x 7.637 at 2.996 degrees (North through East) ! Clean map min=-0.012897 max=0.58552 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.01 LA 1.04 MK 0.97 ! NL 1.01 OV 1.05 PT 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 1.05 HN 1.02 KP 0.97 ! LA 0.94 MK 1.00 NL 1.03 PT 1.01 ! SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.57 FD 0.98 LA 1.03 MK 0.97 ! NL 1.01 OV 1.05 PT 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.18 FD 1.05 HN 1.02 KP 0.97 ! LA 0.94 MK 1.02 NL 0.91 PT 1.01 ! SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.99 LA 1.03 MK 1.03 ! NL 1.17 OV 1.03 PT 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 1.04 HN 1.00 KP 0.97 ! LA 0.94 MK 1.01 NL 0.99 PT 1.02 ! SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* LA 0.00* MK 0.00* ! NL 0.00* OV 0.00* PT 0.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 HN 1.06 KP 1.00* ! LA 1.00 MK 1.00* NL 1.00* PT 1.00 ! SC 1.00* ! ! ! Fit before self-cal, rms=0.123126Jy sigma=1.282695 ! Fit after self-cal, rms=0.099109Jy sigma=1.054978 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.204 mas, bmaj=7.666 mas, bpa=3.003 degrees ! Estimated noise=0.621329 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 = -0.00133749 Jy ! Component: 100 - total flux cleaned = -0.0014936 Jy ! Component: 150 - total flux cleaned = -0.00162659 Jy ! Component: 200 - total flux cleaned = -0.00171472 Jy ! Total flux subtracted in 200 components = -0.00171472 Jy ! Clean residual min=-0.009288 max=0.010545 Jy/beam ! Clean residual mean=-0.000004 rms=0.002317 Jy/beam ! Combined flux in latest and established models = 0.614066 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 38 components and 0.614066 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.098473Jy sigma=1.050747 ! Fit after self-cal, rms=0.098470Jy sigma=1.050565 ! 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. ! ! Fit before self-cal, rms=0.098470Jy sigma=1.050565 ! Fit after self-cal, rms=0.099836Jy sigma=1.048889 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.204 mas, bmaj=7.675 mas, bpa=3.087 degrees ! Estimated noise=0.62405 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0010349 Jy ! Component: 100 - total flux cleaned = 0.000816101 Jy ! Component: 150 - total flux cleaned = 0.000723664 Jy ! Component: 200 - total flux cleaned = 0.000592574 Jy ! Total flux subtracted in 200 components = 0.000592574 Jy ! Clean residual min=-0.009690 max=0.010244 Jy/beam ! Clean residual mean=-0.000003 rms=0.002316 Jy/beam ! Combined flux in latest and established models = 0.614659 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 44 components and 0.614659 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099434Jy sigma=1.048177 ! Fit after self-cal, rms=0.099433Jy sigma=1.048163 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 (-82.5, 116). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0012091 Jy ! Component: 100 - total flux cleaned = -0.000255008 Jy ! Component: 150 - total flux cleaned = -0.00116631 Jy ! Component: 200 - total flux cleaned = -0.00191413 Jy ! Total flux subtracted in 200 components = -0.00191413 Jy ! Clean residual min=-0.009267 max=0.009542 Jy/beam ! Clean residual mean=-0.000011 rms=0.002187 Jy/beam ! Combined flux in latest and established models = 0.612745 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 66 components and 0.612745 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096907Jy sigma=1.029232 ! Fit after self-cal, rms=0.096815Jy sigma=1.027440 ! 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. ! ! Fit before self-cal, rms=0.096815Jy sigma=1.027440 ! Fit after self-cal, rms=0.057015Jy sigma=0.764541 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.207 mas, bmaj=7.656 mas, bpa=3.111 degrees ! Estimated noise=0.624071 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0011184 Jy ! Component: 100 - total flux cleaned = 0.00212313 Jy ! Component: 150 - total flux cleaned = 0.00287752 Jy ! Component: 200 - total flux cleaned = 0.00320088 Jy ! Total flux subtracted in 200 components = 0.00320088 Jy ! Clean residual min=-0.002826 max=0.004456 Jy/beam ! Clean residual mean=0.000009 rms=0.000679 Jy/beam ! Combined flux in latest and established models = 0.615946 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 82 components and 0.615946 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056494Jy sigma=0.756366 ! Fit after self-cal, rms=0.056478Jy sigma=0.755704 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (5.5, -22). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00353292 Jy ! Component: 100 - total flux cleaned = 0.0044777 Jy ! Component: 150 - total flux cleaned = 0.00468762 Jy ! Component: 200 - total flux cleaned = 0.00487105 Jy ! Total flux subtracted in 200 components = 0.00487105 Jy ! Clean residual min=-0.002359 max=0.002383 Jy/beam ! Clean residual mean=0.000002 rms=0.000565 Jy/beam ! Combined flux in latest and established models = 0.620817 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 97 components and 0.620817 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056127Jy sigma=0.750751 ! Fit after self-cal, rms=0.056102Jy sigma=0.750576 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.056102Jy sigma=0.750576 ! Fit after self-cal, rms=0.055872Jy sigma=0.748998 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.398 mas, bmaj=11.06 mas, bpa=-3.155 degrees ! Estimated noise=0.782622 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00126356 Jy ! Component: 100 - total flux cleaned = 0.00185843 Jy ! Component: 150 - total flux cleaned = 0.00235851 Jy ! Component: 200 - total flux cleaned = 0.00270702 Jy ! Total flux subtracted in 200 components = 0.00270702 Jy ! Clean residual min=-0.001949 max=0.002508 Jy/beam ! Clean residual mean=0.000005 rms=0.000564 Jy/beam ! Combined flux in latest and established models = 0.623524 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 115 components and 0.623524 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055776Jy sigma=0.747465 ! Fit after self-cal, rms=0.055758Jy sigma=0.747302 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 (16.5, -79). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000853834 Jy ! Component: 100 - total flux cleaned = 0.000483883 Jy ! Component: 150 - total flux cleaned = 0.000273809 Jy ! Component: 200 - total flux cleaned = 5.3852e-05 Jy ! Total flux subtracted in 200 components = 5.3852e-05 Jy ! Clean residual min=-0.001737 max=0.001708 Jy/beam ! Clean residual mean=0.000004 rms=0.000482 Jy/beam ! Combined flux in latest and established models = 0.623578 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 154 components and 0.623578 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055664Jy sigma=0.746272 ! Fit after self-cal, rms=0.055657Jy sigma=0.746169 ! 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=3.206 mas, bmaj=7.65 mas, bpa=3.068 degrees ! Estimated noise=0.623375 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.206 x 7.65 at 3.068 degrees (North through East) ! Clean map min=-0.0020097 max=0.5912 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055657Jy sigma=0.746169 ! Fit after self-cal, rms=0.051604Jy sigma=0.675940 ! Inverting map and beam ! Estimated beam: bmin=3.207 mas, bmaj=7.651 mas, bpa=3.074 degrees ! Estimated noise=0.623297 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000112581 Jy ! Component: 100 - total flux cleaned = 3.31174e-06 Jy ! Component: 150 - total flux cleaned = 5.48462e-05 Jy ! Component: 200 - total flux cleaned = 7.43524e-06 Jy ! Total flux subtracted in 200 components = 7.43524e-06 Jy ! Clean residual min=-0.001794 max=0.002093 Jy/beam ! Clean residual mean=0.000001 rms=0.000441 Jy/beam ! Combined flux in latest and established models = 0.623585 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 178 components and 0.623585 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051484Jy sigma=0.674342 ! Fit after self-cal, rms=0.051481Jy sigma=0.674327 ! Inverting map ! Added new window around map position (27.5, 33). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000354208 Jy ! Component: 100 - total flux cleaned = 6.09437e-05 Jy ! Component: 150 - total flux cleaned = 5.89535e-05 Jy ! Component: 200 - total flux cleaned = 1.88304e-05 Jy ! Total flux subtracted in 200 components = 1.88304e-05 Jy ! Clean residual min=-0.001611 max=0.001892 Jy/beam ! Clean residual mean=0.000002 rms=0.000409 Jy/beam ! Combined flux in latest and established models = 0.623604 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 201 components and 0.623604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051358Jy sigma=0.672647 ! Fit after self-cal, rms=0.051356Jy sigma=0.672614 ! Inverting map ! Added new window around map position (121.5, -18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000927222 Jy ! Component: 100 - total flux cleaned = 0.000803989 Jy ! Component: 150 - total flux cleaned = 0.000609107 Jy ! Component: 200 - total flux cleaned = 0.000462708 Jy ! Total flux subtracted in 200 components = 0.000462708 Jy ! Clean residual min=-0.001609 max=0.001638 Jy/beam ! Clean residual mean=0.000001 rms=0.000394 Jy/beam ! Combined flux in latest and established models = 0.624067 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 219 components and 0.624067 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051277Jy sigma=0.671343 ! Fit after self-cal, rms=0.051271Jy sigma=0.671299 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051271Jy sigma=0.671299 ! Fit after self-cal, rms=0.051256Jy sigma=0.671048 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=2.656 mas, bmaj=6.584 mas, bpa=2.578 degrees ! Estimated noise=0.867293 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.460237 Jy ! Component: 100 - total flux cleaned = 0.560843 Jy ! Component: 150 - total flux cleaned = 0.590141 Jy ! Component: 200 - total flux cleaned = 0.601848 Jy ! Total flux subtracted in 200 components = 0.601848 Jy ! Clean residual min=-0.003855 max=0.004821 Jy/beam ! Clean residual mean=-0.000001 rms=0.000881 Jy/beam ! Combined flux in latest and established models = 0.601848 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 0.601848 Jy ! Inverting map and beam ! Estimated beam: bmin=3.206 mas, bmaj=7.648 mas, bpa=3.049 degrees ! Estimated noise=0.623347 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 = 0.00721473 Jy ! Component: 100 - total flux cleaned = 0.0115233 Jy ! Component: 150 - total flux cleaned = 0.0142813 Jy ! Component: 200 - total flux cleaned = 0.0154103 Jy ! Total flux subtracted in 200 components = 0.0154103 Jy ! Clean residual min=-0.002056 max=0.002113 Jy/beam ! Clean residual mean=0.000008 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 0.617258 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 68 components and 0.617258 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.398 mas, bmaj=11.06 mas, bpa=-3.17 degrees ! Estimated noise=0.782611 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00302339 Jy ! Component: 100 - total flux cleaned = 0.00386394 Jy ! Component: 150 - total flux cleaned = 0.00409043 Jy ! Component: 200 - total flux cleaned = 0.00420726 Jy ! Total flux subtracted in 200 components = 0.00420726 Jy ! Clean residual min=-0.001633 max=0.001774 Jy/beam ! Clean residual mean=0.000009 rms=0.000486 Jy/beam ! Combined flux in latest and established models = 0.621465 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 = -1.43829e-06 Jy ! Component: 100 - total flux cleaned = -4.98695e-05 Jy ! Component: 150 - total flux cleaned = -9.29941e-05 Jy ! Component: 200 - total flux cleaned = -0.000132027 Jy ! Total flux subtracted in 200 components = -0.000132027 Jy ! Clean residual min=-0.001465 max=0.001601 Jy/beam ! Clean residual mean=0.000006 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.621333 Jy ! Adding 78 model components to the UV plane model. ! The established model now contains 141 components and 0.621333 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.206 mas, bmaj=7.648 mas, bpa=3.049 degrees ! Estimated noise=0.623347 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000503805 Jy ! Component: 100 - total flux cleaned = 0.000783415 Jy ! Component: 150 - total flux cleaned = 0.000884448 Jy ! Component: 200 - total flux cleaned = 0.000978875 Jy ! Total flux subtracted in 200 components = 0.000978875 Jy ! Clean residual min=-0.001528 max=0.001845 Jy/beam ! Clean residual mean=0.000002 rms=0.000396 Jy/beam ! Combined flux in latest and established models = 0.622312 Jy selfcal ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 180 components and 0.622312 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051279Jy sigma=0.671791 ! Fit after self-cal, rms=0.051230Jy sigma=0.671152 wmodel J1641+2257_S_map.mod ! Writing 180 model components to file: J1641+2257_S_map.mod wobs J1641+2257_S_uvs.fits ! Writing UV FITS file: J1641+2257_S_uvs.fits wwins J1641+2257_S_map.win ! wwins: Wrote 6 windows to J1641+2257_S_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 = 0.000684629 Jy ! Component: 100 - total flux cleaned = 0.00103698 Jy ! Component: 150 - total flux cleaned = 0.00134584 Jy ! Component: 200 - total flux cleaned = 0.00146984 Jy ! Component: 250 - total flux cleaned = 0.0016149 Jy ! Component: 300 - total flux cleaned = 0.00173228 Jy ! Component: 350 - total flux cleaned = 0.00186953 Jy ! Component: 400 - total flux cleaned = 0.00204867 Jy ! Component: 450 - total flux cleaned = 0.00224587 Jy ! Component: 500 - total flux cleaned = 0.00237482 Jy ! Component: 550 - total flux cleaned = 0.00245892 Jy ! Component: 600 - total flux cleaned = 0.00247999 Jy ! Component: 650 - total flux cleaned = 0.00252113 Jy ! Component: 700 - total flux cleaned = 0.00254152 Jy ! Component: 750 - total flux cleaned = 0.00260147 Jy ! Component: 800 - total flux cleaned = 0.0026995 Jy ! Component: 850 - total flux cleaned = 0.00271864 Jy ! Component: 900 - total flux cleaned = 0.00279537 Jy ! Component: 950 - total flux cleaned = 0.00287094 Jy ! Component: 1000 - total flux cleaned = 0.00294528 Jy ! Component: 1050 - total flux cleaned = 0.00296388 Jy ! Component: 1100 - total flux cleaned = 0.00305499 Jy ! Component: 1150 - total flux cleaned = 0.00316256 Jy ! Component: 1200 - total flux cleaned = 0.00323348 Jy ! Component: 1250 - total flux cleaned = 0.00335639 Jy ! Component: 1300 - total flux cleaned = 0.00346061 Jy ! Component: 1350 - total flux cleaned = 0.00358083 Jy ! Component: 1400 - total flux cleaned = 0.00366597 Jy ! Component: 1450 - total flux cleaned = 0.00380064 Jy ! Component: 1500 - total flux cleaned = 0.00393409 Jy ! Component: 1550 - total flux cleaned = 0.00404979 Jy ! Component: 1600 - total flux cleaned = 0.00416457 Jy ! Component: 1650 - total flux cleaned = 0.00421344 Jy ! Component: 1700 - total flux cleaned = 0.00440663 Jy ! Component: 1750 - total flux cleaned = 0.00447049 Jy ! Component: 1800 - total flux cleaned = 0.00461273 Jy ! Component: 1850 - total flux cleaned = 0.00472208 Jy ! Component: 1900 - total flux cleaned = 0.00483087 Jy ! Component: 1950 - total flux cleaned = 0.00492321 Jy ! Component: 2000 - total flux cleaned = 0.00503002 Jy ! Component: 2050 - total flux cleaned = 0.00515108 Jy ! Component: 2100 - total flux cleaned = 0.0051812 Jy ! Component: 2150 - total flux cleaned = 0.00530044 Jy ! Component: 2200 - total flux cleaned = 0.00540374 Jy ! Component: 2250 - total flux cleaned = 0.00547715 Jy ! Component: 2300 - total flux cleaned = 0.00553536 Jy ! Component: 2350 - total flux cleaned = 0.00565096 Jy ! Component: 2400 - total flux cleaned = 0.00572284 Jy ! Component: 2450 - total flux cleaned = 0.00579381 Jy ! Component: 2500 - total flux cleaned = 0.0058503 Jy ! Component: 2550 - total flux cleaned = 0.00594865 Jy ! Component: 2600 - total flux cleaned = 0.00603222 Jy ! Component: 2650 - total flux cleaned = 0.00608739 Jy ! Component: 2700 - total flux cleaned = 0.00612856 Jy ! Component: 2750 - total flux cleaned = 0.00615573 Jy ! Component: 2800 - total flux cleaned = 0.00627748 Jy ! Component: 2850 - total flux cleaned = 0.00623727 Jy ! Component: 2900 - total flux cleaned = 0.0063307 Jy ! Component: 2950 - total flux cleaned = 0.00642338 Jy ! Component: 3000 - total flux cleaned = 0.00652857 Jy ! Component: 3050 - total flux cleaned = 0.00652858 Jy ! Component: 3100 - total flux cleaned = 0.00660648 Jy ! Component: 3150 - total flux cleaned = 0.00668376 Jy ! Component: 3200 - total flux cleaned = 0.00670931 Jy ! Component: 3250 - total flux cleaned = 0.00681103 Jy ! Component: 3300 - total flux cleaned = 0.00686155 Jy ! Component: 3350 - total flux cleaned = 0.00686152 Jy ! Component: 3400 - total flux cleaned = 0.00696134 Jy ! Component: 3450 - total flux cleaned = 0.00697363 Jy ! Component: 3500 - total flux cleaned = 0.00703535 Jy ! Component: 3550 - total flux cleaned = 0.00709675 Jy ! Component: 3600 - total flux cleaned = 0.00713313 Jy ! Component: 3650 - total flux cleaned = 0.00720567 Jy ! Component: 3700 - total flux cleaned = 0.00731353 Jy ! Component: 3750 - total flux cleaned = 0.00732537 Jy ! Component: 3800 - total flux cleaned = 0.00736101 Jy ! Component: 3850 - total flux cleaned = 0.00734928 Jy ! Component: 3900 - total flux cleaned = 0.00740793 Jy ! Component: 3950 - total flux cleaned = 0.00748939 Jy ! Component: 4000 - total flux cleaned = 0.00757039 Jy ! Component: 4050 - total flux cleaned = 0.00759337 Jy ! Total flux subtracted in 4096 components = 0.00767347 Jy ! Clean residual min=-0.000782 max=0.000645 Jy/beam ! Clean residual mean=0.000001 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.629986 Jy keep ! Adding 297 model components to the UV plane model. ! The established model now contains 476 components and 0.629985 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1641+2257_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.206 x 7.648 at 3.049 degrees (North through East) ! Clean map min=-0.0014003 max=0.59273 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1641+2257_S_map.fits wmodel /vlbi/bp222/maps//J1641+2257_S_map.mod ! Writing 476 model components to file: /vlbi/bp222/maps//J1641+2257_S_map.mod wobs /vlbi/bp222/maps//J1641+2257_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1641+2257_S_uvs.fits wwins /vlbi/bp222/maps//J1641+2257_S_map.win ! wwins: Wrote 7 windows to /vlbi/bp222/maps//J1641+2257_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.592726 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000213145 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.10788 0.10788 0.215761 0.431522 0.863043 1.72609 3.45217 6.90435 13.8087 27.6174 55.2348 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.592 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2780.86 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1641+2257_S_dfm.log closed on Thu Sep 27 11:24:07 2018