! Started logfile: /vlbi/bp222/maps//J1937+7440_S_dfm.log on Mon Jan 14 17:14:50 2019 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//J1937+7440_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1937+7440_S_uvm.fits ! AN table 1: 46 integrations on 28 of 28 possible baselines. ! AN table 2: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.950378 visibilities/baseline/integration-bin. ! Found source: J1937+7440 ! ! 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 8044 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 J1937+7440_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 17 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 17 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 17 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 368 telescope corrections were flagged in sub-array 1. ! A total of 117 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.002408Jy sigma=16.211399 ! Fit after self-cal, rms=0.865146Jy sigma=13.912145 ! 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=3.376 mas, bmaj=3.576 mas, bpa=14.67 degrees ! Estimated noise=0.961547 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 = 0.10308 Jy ! Component: 100 - total flux cleaned = 0.133753 Jy ! Total flux subtracted in 100 components = 0.133753 Jy ! Clean residual min=-0.007613 max=0.013895 Jy/beam ! Clean residual mean=-0.000003 rms=0.001892 Jy/beam ! Combined flux in latest and established models = 0.133754 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.133754 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062749Jy sigma=0.986683 ! Fit after self-cal, rms=0.062629Jy sigma=0.984471 ! Inverting map ! Added new window around map position (0, 3.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0155614 Jy ! Component: 100 - total flux cleaned = 0.0238516 Jy ! Total flux subtracted in 100 components = 0.0238516 Jy ! Clean residual min=-0.006438 max=0.006754 Jy/beam ! Clean residual mean=-0.000001 rms=0.001318 Jy/beam ! Combined flux in latest and established models = 0.157605 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 17 components and 0.157605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058398Jy sigma=0.904665 ! Fit after self-cal, rms=0.058261Jy sigma=0.902630 ! 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=4.177 mas, bmaj=4.444 mas, bpa=-4.325 degrees ! Estimated noise=0.572898 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 = 0.00674297 Jy ! Component: 100 - total flux cleaned = 0.00954115 Jy ! Component: 150 - total flux cleaned = 0.0103887 Jy ! Component: 200 - total flux cleaned = 0.0109822 Jy ! Total flux subtracted in 200 components = 0.0109822 Jy ! Clean residual min=-0.004915 max=0.004614 Jy/beam ! Clean residual mean=-0.000021 rms=0.001135 Jy/beam ! Combined flux in latest and established models = 0.168587 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 26 components and 0.168587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057487Jy sigma=0.889311 ! Fit after self-cal, rms=0.057432Jy sigma=0.888214 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.177 x 4.444 at -4.325 degrees (North through East) ! Clean map min=-0.0047022 max=0.13387 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 0.99 LA 0.94 ! MK 0.95 NL 0.99 OV 1.00 PT 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.17 FD 1.09 HN 1.02 KP 0.93 ! LA 0.94 MK 1.00 NL 1.08 PT 1.06 ! SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.78 FD 0.99 HN 1.01 LA 0.96 ! MK 0.97 NL 1.01 OV 1.03 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.25 FD 1.09 HN 1.03 KP 0.99 ! LA 0.92 MK 0.98 NL 1.33 PT 1.05 ! SC 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HN 1.01 LA 0.95 ! MK 1.00 NL 0.95 OV 1.01 PT 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.17 FD 1.14 HN 1.01 KP 0.98 ! LA 0.95 MK 0.99 NL 1.10 PT 1.01 ! SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* LA 0.00* ! MK 0.00* NL 0.00* OV 0.00* PT 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.02 HN 1.05 KP 1.00* ! LA 0.90 MK 1.00* NL 1.00* PT 0.99 ! SC 1.00* ! ! ! Fit before self-cal, rms=0.057432Jy sigma=0.888214 ! Fit after self-cal, rms=0.056099Jy sigma=0.849893 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.127 mas, bmaj=4.491 mas, bpa=-11.78 degrees ! Estimated noise=0.572102 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 = -0.000551679 Jy ! Component: 100 - total flux cleaned = -0.000712478 Jy ! Component: 150 - total flux cleaned = -0.00079225 Jy ! Component: 200 - total flux cleaned = -0.00079335 Jy ! Total flux subtracted in 200 components = -0.00079335 Jy ! Clean residual min=-0.002287 max=0.002645 Jy/beam ! Clean residual mean=-0.000010 rms=0.000622 Jy/beam ! Combined flux in latest and established models = 0.167794 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 33 components and 0.167794 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056020Jy sigma=0.848574 ! Fit after self-cal, rms=0.056071Jy sigma=0.848119 ! 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=0.056071Jy sigma=0.848119 ! Fit after self-cal, rms=0.055944Jy sigma=0.845507 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.125 mas, bmaj=4.495 mas, bpa=-15 degrees ! Estimated noise=0.570253 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000100671 Jy ! Component: 100 - total flux cleaned = -0.000207933 Jy ! Component: 150 - total flux cleaned = -0.000264995 Jy ! Component: 200 - total flux cleaned = -0.000265366 Jy ! Total flux subtracted in 200 components = -0.000265366 Jy ! Clean residual min=-0.002170 max=0.002607 Jy/beam ! Clean residual mean=-0.000010 rms=0.000562 Jy/beam ! Combined flux in latest and established models = 0.167529 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 36 components and 0.167529 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055920Jy sigma=0.845176 ! Fit after self-cal, rms=0.055921Jy sigma=0.845098 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 (125, -67). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00145643 Jy ! Component: 100 - total flux cleaned = 0.00181806 Jy ! Component: 150 - total flux cleaned = 0.00213737 Jy ! Component: 200 - total flux cleaned = 0.00228861 Jy ! Total flux subtracted in 200 components = 0.00228861 Jy ! Clean residual min=-0.001871 max=0.002341 Jy/beam ! Clean residual mean=-0.000004 rms=0.000508 Jy/beam ! Combined flux in latest and established models = 0.169817 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 52 components and 0.169817 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055779Jy sigma=0.843110 ! Fit after self-cal, rms=0.055774Jy sigma=0.842922 ! Inverting map ! Added new window around map position (-21, 15.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00196087 Jy ! Component: 100 - total flux cleaned = 0.00269824 Jy ! Component: 150 - total flux cleaned = 0.00283448 Jy ! Component: 200 - total flux cleaned = 0.00289649 Jy ! Total flux subtracted in 200 components = 0.00289649 Jy ! Clean residual min=-0.001862 max=0.001946 Jy/beam ! Clean residual mean=-0.000004 rms=0.000477 Jy/beam ! Combined flux in latest and established models = 0.172714 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 67 components and 0.172714 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055685Jy sigma=0.841712 ! Fit after self-cal, rms=0.055686Jy sigma=0.841647 ! 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=0.055686Jy sigma=0.841647 ! Fit after self-cal, rms=0.055558Jy sigma=0.841323 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.12 mas, bmaj=4.497 mas, bpa=-15.82 degrees ! Estimated noise=0.568566 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000771797 Jy ! Component: 100 - total flux cleaned = 0.000929376 Jy ! Component: 150 - total flux cleaned = 0.000987133 Jy ! Component: 200 - total flux cleaned = 0.000961853 Jy ! Total flux subtracted in 200 components = 0.000961853 Jy ! Clean residual min=-0.001809 max=0.001871 Jy/beam ! Clean residual mean=-0.000005 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.173676 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 72 components and 0.173676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055523Jy sigma=0.840903 ! Fit after self-cal, rms=0.055527Jy sigma=0.840891 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 = 0.000135346 Jy ! Component: 100 - total flux cleaned = 0.00013517 Jy ! Component: 150 - total flux cleaned = 0.00011142 Jy ! Component: 200 - total flux cleaned = 8.93779e-05 Jy ! Total flux subtracted in 200 components = 8.93779e-05 Jy ! Clean residual min=-0.001764 max=0.001831 Jy/beam ! Clean residual mean=-0.000005 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.173765 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 77 components and 0.173765 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055506Jy sigma=0.840639 ! Fit after self-cal, rms=0.055509Jy sigma=0.840634 ! 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=0.055509Jy sigma=0.840634 ! Fit after self-cal, rms=0.055506Jy sigma=0.840608 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.487 mas, bmaj=9.013 mas, bpa=-17.04 degrees ! Estimated noise=0.700611 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.4388e-05 Jy ! Component: 100 - total flux cleaned = -3.58516e-05 Jy ! Component: 150 - total flux cleaned = -8.03811e-05 Jy ! Component: 200 - total flux cleaned = -0.000121461 Jy ! Total flux subtracted in 200 components = -0.000121461 Jy ! Clean residual min=-0.002080 max=0.001857 Jy/beam ! Clean residual mean=-0.000011 rms=0.000551 Jy/beam ! Combined flux in latest and established models = 0.173644 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 90 components and 0.173643 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055501Jy sigma=0.840557 ! Fit after self-cal, rms=0.055504Jy sigma=0.840540 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 = -6.73308e-05 Jy ! Component: 100 - total flux cleaned = -8.5902e-05 Jy ! Component: 150 - total flux cleaned = -8.59682e-05 Jy ! Component: 200 - total flux cleaned = -8.61107e-05 Jy ! Total flux subtracted in 200 components = -8.61107e-05 Jy ! Clean residual min=-0.002027 max=0.001818 Jy/beam ! Clean residual mean=-0.000011 rms=0.000542 Jy/beam ! Combined flux in latest and established models = 0.173557 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 92 components and 0.173557 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055503Jy sigma=0.840562 ! Fit after self-cal, rms=0.055505Jy sigma=0.840555 ! 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=4.117 mas, bmaj=4.5 mas, bpa=-16.03 degrees ! Estimated noise=0.568328 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.117 x 4.5 at -16.03 degrees (North through East) ! Clean map min=-0.0025259 max=0.133 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=3.359 mas, bmaj=3.579 mas, bpa=-4.636 degrees ! Estimated noise=0.956239 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.102111 Jy ! Component: 100 - total flux cleaned = 0.133827 Jy ! Component: 150 - total flux cleaned = 0.149014 Jy ! Component: 200 - total flux cleaned = 0.157495 Jy ! Total flux subtracted in 200 components = 0.157495 Jy ! Clean residual min=-0.003657 max=0.004667 Jy/beam ! Clean residual mean=-0.000002 rms=0.000959 Jy/beam ! Combined flux in latest and established models = 0.157495 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.157495 Jy ! Inverting map and beam ! Estimated beam: bmin=4.117 mas, bmaj=4.5 mas, bpa=-16.03 degrees ! Estimated noise=0.568328 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 = 0.00548212 Jy ! Component: 100 - total flux cleaned = 0.00884758 Jy ! Component: 150 - total flux cleaned = 0.0104834 Jy ! Component: 200 - total flux cleaned = 0.0116501 Jy ! Total flux subtracted in 200 components = 0.0116501 Jy ! Clean residual min=-0.002365 max=0.002005 Jy/beam ! Clean residual mean=-0.000010 rms=0.000535 Jy/beam ! Combined flux in latest and established models = 0.169145 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 40 components and 0.169145 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=8.487 mas, bmaj=9.013 mas, bpa=-17.04 degrees ! Estimated noise=0.700611 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00150378 Jy ! Component: 100 - total flux cleaned = 0.00233574 Jy ! Component: 150 - total flux cleaned = 0.003027 Jy ! Component: 200 - total flux cleaned = 0.00342116 Jy ! Total flux subtracted in 200 components = 0.00342116 Jy ! Clean residual min=-0.002312 max=0.002044 Jy/beam ! Clean residual mean=-0.000013 rms=0.000593 Jy/beam ! Combined flux in latest and established models = 0.172566 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 = 6.89451e-05 Jy ! Component: 100 - total flux cleaned = 0.000131058 Jy ! Component: 150 - total flux cleaned = 0.000189062 Jy ! Component: 200 - total flux cleaned = 0.000242187 Jy ! Total flux subtracted in 200 components = 0.000242187 Jy ! Clean residual min=-0.002190 max=0.001922 Jy/beam ! Clean residual mean=-0.000012 rms=0.000570 Jy/beam ! Combined flux in latest and established models = 0.172808 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 91 components and 0.172808 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.117 mas, bmaj=4.5 mas, bpa=-16.03 degrees ! Estimated noise=0.568328 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.07029e-05 Jy ! Component: 100 - total flux cleaned = 0.000326763 Jy ! Component: 150 - total flux cleaned = 0.00044937 Jy ! Component: 200 - total flux cleaned = 0.000450161 Jy ! Total flux subtracted in 200 components = 0.000450161 Jy ! Clean residual min=-0.001918 max=0.001893 Jy/beam ! Clean residual mean=-0.000006 rms=0.000464 Jy/beam ! Combined flux in latest and established models = 0.173258 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 107 components and 0.173258 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055586Jy sigma=0.841788 ! Fit after self-cal, rms=0.055567Jy sigma=0.841507 wmodel J1937+7440_S_map.mod ! Writing 107 model components to file: J1937+7440_S_map.mod wobs J1937+7440_S_uvs.fits ! Writing UV FITS file: J1937+7440_S_uvs.fits wwins J1937+7440_S_map.win ! wwins: Wrote 4 windows to J1937+7440_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 = -6.51605e-05 Jy ! Component: 100 - total flux cleaned = -0.00024875 Jy ! Component: 150 - total flux cleaned = -0.000424821 Jy ! Component: 200 - total flux cleaned = -0.000481848 Jy ! Component: 250 - total flux cleaned = -0.000482627 Jy ! Component: 300 - total flux cleaned = -0.000535757 Jy ! Component: 350 - total flux cleaned = -0.000484719 Jy ! Component: 400 - total flux cleaned = -0.000460372 Jy ! Component: 450 - total flux cleaned = -0.000508744 Jy ! Component: 500 - total flux cleaned = -0.000460982 Jy ! Component: 550 - total flux cleaned = -0.000460676 Jy ! Component: 600 - total flux cleaned = -0.000414944 Jy ! Component: 650 - total flux cleaned = -0.000370792 Jy ! Component: 700 - total flux cleaned = -0.000371617 Jy ! Component: 750 - total flux cleaned = -0.000457563 Jy ! Component: 800 - total flux cleaned = -0.000457472 Jy ! Component: 850 - total flux cleaned = -0.000458194 Jy ! Component: 900 - total flux cleaned = -0.00051897 Jy ! Component: 950 - total flux cleaned = -0.00057846 Jy ! Component: 1000 - total flux cleaned = -0.000597834 Jy ! Component: 1050 - total flux cleaned = -0.000579304 Jy ! Component: 1100 - total flux cleaned = -0.000617155 Jy ! Component: 1150 - total flux cleaned = -0.000635346 Jy ! Component: 1200 - total flux cleaned = -0.00058027 Jy ! Component: 1250 - total flux cleaned = -0.000598263 Jy ! Component: 1300 - total flux cleaned = -0.000527002 Jy ! Component: 1350 - total flux cleaned = -0.000526841 Jy ! Component: 1400 - total flux cleaned = -0.000405768 Jy ! Component: 1450 - total flux cleaned = -0.000457171 Jy ! Component: 1500 - total flux cleaned = -0.000372863 Jy ! Component: 1550 - total flux cleaned = -0.000406359 Jy ! Component: 1600 - total flux cleaned = -0.000340736 Jy ! Component: 1650 - total flux cleaned = -0.000292566 Jy ! Component: 1700 - total flux cleaned = -0.000292494 Jy ! Component: 1750 - total flux cleaned = -0.000324085 Jy ! Component: 1800 - total flux cleaned = -0.000324003 Jy ! Component: 1850 - total flux cleaned = -0.000354706 Jy ! Component: 1900 - total flux cleaned = -0.000293785 Jy ! Component: 1950 - total flux cleaned = -0.000263852 Jy ! Component: 2000 - total flux cleaned = -0.000293789 Jy ! Component: 2050 - total flux cleaned = -0.000220226 Jy ! Component: 2100 - total flux cleaned = -0.00017685 Jy ! Component: 2150 - total flux cleaned = -0.000104955 Jy ! Component: 2200 - total flux cleaned = -6.23652e-05 Jy ! Component: 2250 - total flux cleaned = -1.98527e-05 Jy ! Component: 2300 - total flux cleaned = 7.77916e-05 Jy ! Component: 2350 - total flux cleaned = 0.000146842 Jy ! Component: 2400 - total flux cleaned = 0.000229296 Jy ! Component: 2450 - total flux cleaned = 0.000310704 Jy ! Component: 2500 - total flux cleaned = 0.000364501 Jy ! Component: 2550 - total flux cleaned = 0.000417919 Jy ! Component: 2600 - total flux cleaned = 0.000457633 Jy ! Component: 2650 - total flux cleaned = 0.000523163 Jy ! Component: 2700 - total flux cleaned = 0.000613934 Jy ! Component: 2750 - total flux cleaned = 0.000665438 Jy ! Component: 2800 - total flux cleaned = 0.000703652 Jy ! Component: 2850 - total flux cleaned = 0.000817374 Jy ! Component: 2900 - total flux cleaned = 0.000854939 Jy ! Component: 2950 - total flux cleaned = 0.000917175 Jy ! Component: 3000 - total flux cleaned = 0.000991213 Jy ! Component: 3050 - total flux cleaned = 0.00110123 Jy ! Component: 3100 - total flux cleaned = 0.00116174 Jy ! Component: 3150 - total flux cleaned = 0.00119794 Jy ! Component: 3200 - total flux cleaned = 0.00128157 Jy ! Component: 3250 - total flux cleaned = 0.00132902 Jy ! Component: 3300 - total flux cleaned = 0.00139957 Jy ! Component: 3350 - total flux cleaned = 0.00149286 Jy ! Component: 3400 - total flux cleaned = 0.00157373 Jy ! Component: 3450 - total flux cleaned = 0.00156209 Jy ! Component: 3500 - total flux cleaned = 0.00166473 Jy ! Component: 3550 - total flux cleaned = 0.00174394 Jy ! Component: 3600 - total flux cleaned = 0.00182255 Jy ! Component: 3650 - total flux cleaned = 0.00187842 Jy ! Component: 3700 - total flux cleaned = 0.00194478 Jy ! Component: 3750 - total flux cleaned = 0.00202185 Jy ! Component: 3800 - total flux cleaned = 0.00209836 Jy ! Component: 3850 - total flux cleaned = 0.00218518 Jy ! Component: 3900 - total flux cleaned = 0.00222822 Jy ! Component: 3950 - total flux cleaned = 0.00229238 Jy ! Component: 4000 - total flux cleaned = 0.00238807 Jy ! Component: 4050 - total flux cleaned = 0.00244075 Jy ! Total flux subtracted in 4096 components = 0.00247229 Jy ! Clean residual min=-0.000821 max=0.000662 Jy/beam ! Clean residual mean=0.000001 rms=0.000182 Jy/beam ! Combined flux in latest and established models = 0.17573 Jy keep ! Adding 280 model components to the UV plane model. ! The established model now contains 387 components and 0.17573 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1937+7440_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.117 x 4.5 at -16.03 degrees (North through East) ! Clean map min=-0.0020742 max=0.13269 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1937+7440_S_map.fits wmodel /vlbi/bp222/maps//J1937+7440_S_map.mod ! Writing 387 model components to file: /vlbi/bp222/maps//J1937+7440_S_map.mod wobs /vlbi/bp222/maps//J1937+7440_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1937+7440_S_uvs.fits wwins /vlbi/bp222/maps//J1937+7440_S_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J1937+7440_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.132691 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000181111 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.409473 0.409473 0.818946 1.63789 3.27578 6.55157 13.1031 26.2063 52.4125 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.132 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 732.649 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1937+7440_S_dfm.log closed on Mon Jan 14 17:14:54 2019