! Started logfile: /vlbi/uf001/uvm//J1549+0237_S_a_dfm.log on Sun Jan 13 21:56:07 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/uf001/uvm//J1549+0237_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1549+0237_S_a_uvm.fits ! AN table 1: 3 integrations on 28 of 28 possible baselines. ! AN table 2: 12 integrations on 45 of 45 possible baselines. ! AN table 3: 9 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.795818 visibilities/baseline/integration-bin. ! Found source: J1549+0237 ! ! There are 3 IFs, and a total of 3 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 ! ! Polarization(s): RR ! ! Read 44 lines of history. ! ! Reading 1941 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 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 J1549+0237_S_a] 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 8 telescope corrections were flagged in sub-array 1. ! A total of 23 telescope corrections were flagged in sub-array 2. ! A total of 21 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 1. ! A total of 23 telescope corrections were flagged in sub-array 2. ! A total of 21 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 1. ! A total of 23 telescope corrections were flagged in sub-array 2. ! A total of 21 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.416436Jy sigma=19.834884 ! Fit after self-cal, rms=0.218313Jy sigma=3.141891 ! 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=3.065 mas, bmaj=7.148 mas, bpa=2.304 degrees ! Estimated noise=1.48452 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 = 0.704708 Jy ! Component: 100 - total flux cleaned = 0.897107 Jy ! Total flux subtracted in 100 components = 0.897107 Jy ! Clean residual min=-0.033260 max=0.081584 Jy/beam ! Clean residual mean=0.000052 rms=0.008913 Jy/beam ! Combined flux in latest and established models = 0.897107 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.897107 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.214625Jy sigma=2.955227 ! Fit after self-cal, rms=0.214351Jy sigma=2.950258 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.089006 Jy ! Component: 100 - total flux cleaned = 0.137654 Jy ! Total flux subtracted in 100 components = 0.137654 Jy ! Clean residual min=-0.025142 max=0.032836 Jy/beam ! Clean residual mean=0.000036 rms=0.006564 Jy/beam ! Combined flux in latest and established models = 1.03476 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 37 components and 1.03476 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.154871Jy sigma=2.196029 ! Fit after self-cal, rms=0.154608Jy sigma=2.191515 ! 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=3.805 mas, bmaj=8.334 mas, bpa=1.638 degrees ! Estimated noise=1.24449 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 = 0.0441268 Jy ! Component: 100 - total flux cleaned = 0.0669303 Jy ! Component: 150 - total flux cleaned = 0.0797825 Jy ! Component: 200 - total flux cleaned = 0.08357 Jy ! Total flux subtracted in 200 components = 0.08357 Jy ! Clean residual min=-0.021005 max=0.024568 Jy/beam ! Clean residual mean=0.000025 rms=0.005495 Jy/beam ! Combined flux in latest and established models = 1.11833 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 59 components and 1.11833 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.140911Jy sigma=2.031866 ! Fit after self-cal, rms=0.140875Jy sigma=2.030960 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.805 x 8.334 at 1.638 degrees (North through East) ! Clean map min=-0.020601 max=0.93984 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.99 HN 1.02 KP 1.05 ! LA 0.90 NL 1.12 OV 1.08 SC 1.26 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.90 HN 0.92 KP 1.00 ! LA 0.97 MK 1.27 NL 1.09 OV 1.00 ! PT 1.02 SC 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.23 HN 1.00 KP 0.99 LA 0.95 ! NL 1.03 OV 0.96 PT 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 1.01 KP 1.03 ! LA 0.93 NL 1.07 OV 1.01 SC 1.22 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.89 HN 0.92 KP 1.00 ! LA 0.97 MK 1.11 NL 1.11 OV 1.01 ! PT 1.00 SC 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.17 HN 1.01 KP 1.01 LA 0.93 ! NL 1.03 OV 0.88 PT 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.95 HN 1.05 KP 1.01 ! LA 0.92 NL 1.07 OV 1.05 SC 1.23 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.91 HN 0.93 KP 0.98 ! LA 0.97 MK 1.09 NL 1.09 OV 0.97 ! PT 1.00 SC 0.95 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.19 HN 0.98 KP 0.98 LA 0.94 ! NL 1.01 OV 0.94 PT 1.00 ! ! ! Fit before self-cal, rms=0.140875Jy sigma=2.030960 ! Fit after self-cal, rms=0.122019Jy sigma=1.555917 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.886 mas, bmaj=8.48 mas, bpa=1.859 degrees ! Estimated noise=1.25924 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 = -0.00645203 Jy ! Component: 100 - total flux cleaned = -0.00801574 Jy ! Component: 150 - total flux cleaned = -0.00879408 Jy ! Component: 200 - total flux cleaned = -0.00880527 Jy ! Total flux subtracted in 200 components = -0.00880527 Jy ! Clean residual min=-0.015446 max=0.016473 Jy/beam ! Clean residual mean=-0.000030 rms=0.004092 Jy/beam ! Combined flux in latest and established models = 1.10953 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 68 components and 1.10952 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.120461Jy sigma=1.536393 ! Fit after self-cal, rms=0.120444Jy sigma=1.534991 ! 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. ! ! Fit before self-cal, rms=0.120444Jy sigma=1.534991 ! Fit after self-cal, rms=0.074357Jy sigma=0.961379 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.858 mas, bmaj=8.476 mas, bpa=1.511 degrees ! Estimated noise=1.25743 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000240238 Jy ! Component: 100 - total flux cleaned = -0.00146487 Jy ! Component: 150 - total flux cleaned = -0.00227538 Jy ! Component: 200 - total flux cleaned = -0.00253757 Jy ! Total flux subtracted in 200 components = -0.00253757 Jy ! Clean residual min=-0.006741 max=0.014401 Jy/beam ! Clean residual mean=-0.000019 rms=0.001762 Jy/beam ! Combined flux in latest and established models = 1.10699 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 72 components and 1.10699 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.073365Jy sigma=0.947903 ! Fit after self-cal, rms=0.073282Jy sigma=0.946139 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 (1.5, -23). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0127361 Jy ! Component: 100 - total flux cleaned = 0.0196678 Jy ! Component: 150 - total flux cleaned = 0.0243031 Jy ! Component: 200 - total flux cleaned = 0.0263804 Jy ! Total flux subtracted in 200 components = 0.0263804 Jy ! Clean residual min=-0.005034 max=0.006067 Jy/beam ! Clean residual mean=-0.000004 rms=0.001330 Jy/beam ! Combined flux in latest and established models = 1.13337 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 87 components and 1.13337 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070778Jy sigma=0.911432 ! Fit after self-cal, rms=0.070608Jy sigma=0.909322 ! Inverting map ! Added new window around map position (-8, -31). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00570629 Jy ! Component: 100 - total flux cleaned = 0.0084153 Jy ! Component: 150 - total flux cleaned = 0.00918026 Jy ! Component: 200 - total flux cleaned = 0.00946836 Jy ! Total flux subtracted in 200 components = 0.00946836 Jy ! Clean residual min=-0.004535 max=0.004602 Jy/beam ! Clean residual mean=-0.000000 rms=0.001232 Jy/beam ! Combined flux in latest and established models = 1.14284 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 106 components and 1.14284 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070027Jy sigma=0.901186 ! Fit after self-cal, rms=0.069998Jy sigma=0.900769 ! 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. ! ! Fit before self-cal, rms=0.069998Jy sigma=0.900769 ! Fit after self-cal, rms=0.069450Jy sigma=0.892998 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.857 mas, bmaj=8.474 mas, bpa=1.544 degrees ! Estimated noise=1.25626 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00208449 Jy ! Component: 100 - total flux cleaned = 0.00247754 Jy ! Component: 150 - total flux cleaned = 0.00256108 Jy ! Component: 200 - total flux cleaned = 0.00248849 Jy ! Total flux subtracted in 200 components = 0.00248849 Jy ! Clean residual min=-0.004207 max=0.004930 Jy/beam ! Clean residual mean=-0.000003 rms=0.001133 Jy/beam ! Combined flux in latest and established models = 1.14532 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 122 components and 1.14532 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069200Jy sigma=0.889650 ! Fit after self-cal, rms=0.069181Jy sigma=0.889371 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 (-72.5, -83). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00373136 Jy ! Component: 100 - total flux cleaned = 0.0050297 Jy ! Component: 150 - total flux cleaned = 0.00578785 Jy ! Component: 200 - total flux cleaned = 0.00631766 Jy ! Total flux subtracted in 200 components = 0.00631766 Jy ! Clean residual min=-0.003895 max=0.004290 Jy/beam ! Clean residual mean=-0.000004 rms=0.001056 Jy/beam ! Combined flux in latest and established models = 1.15164 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 142 components and 1.15164 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068822Jy sigma=0.884697 ! Fit after self-cal, rms=0.068807Jy sigma=0.884470 ! 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. ! ! Fit before self-cal, rms=0.068807Jy sigma=0.884470 ! Fit after self-cal, rms=0.068772Jy sigma=0.883825 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.843 mas, bmaj=12.48 mas, bpa=-2.53 degrees ! Estimated noise=1.52231 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171503 Jy ! Component: 100 - total flux cleaned = 0.00184643 Jy ! Component: 150 - total flux cleaned = 0.00164043 Jy ! Component: 200 - total flux cleaned = 0.00150637 Jy ! Total flux subtracted in 200 components = 0.00150637 Jy ! Clean residual min=-0.003874 max=0.003915 Jy/beam ! Clean residual mean=-0.000009 rms=0.001152 Jy/beam ! Combined flux in latest and established models = 1.15315 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 160 components and 1.15315 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068689Jy sigma=0.882696 ! Fit after self-cal, rms=0.068683Jy sigma=0.882560 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 = 0.000422704 Jy ! Component: 100 - total flux cleaned = 0.000342644 Jy ! Component: 150 - total flux cleaned = 0.000234218 Jy ! Component: 200 - total flux cleaned = 0.000135404 Jy ! Total flux subtracted in 200 components = 0.000135404 Jy ! Clean residual min=-0.003814 max=0.003950 Jy/beam ! Clean residual mean=-0.000008 rms=0.001136 Jy/beam ! Combined flux in latest and established models = 1.15328 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 179 components and 1.15328 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068644Jy sigma=0.882230 ! Fit after self-cal, rms=0.068645Jy sigma=0.882171 ! 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=3.857 mas, bmaj=8.477 mas, bpa=1.547 degrees ! Estimated noise=1.25634 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.857 x 8.477 at 1.547 degrees (North through East) ! Clean map min=-0.0037172 max=0.94403 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. ! ! Fit before self-cal, rms=0.068645Jy sigma=0.882171 ! Fit after self-cal, rms=0.065121Jy sigma=0.826645 ! Inverting map and beam ! Estimated beam: bmin=3.859 mas, bmaj=8.479 mas, bpa=1.56 degrees ! Estimated noise=1.25637 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000398091 Jy ! Component: 100 - total flux cleaned = 0.000328735 Jy ! Component: 150 - total flux cleaned = 7.7783e-05 Jy ! Component: 200 - total flux cleaned = -9.78918e-05 Jy ! Total flux subtracted in 200 components = -9.78918e-05 Jy ! Clean residual min=-0.003773 max=0.003930 Jy/beam ! Clean residual mean=-0.000007 rms=0.001012 Jy/beam ! Combined flux in latest and established models = 1.15319 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 203 components and 1.15319 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064998Jy sigma=0.825007 ! Fit after self-cal, rms=0.064995Jy sigma=0.824962 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.42511e-05 Jy ! Component: 100 - total flux cleaned = -0.000145378 Jy ! Component: 150 - total flux cleaned = -0.00030307 Jy ! Component: 200 - total flux cleaned = -0.000404577 Jy ! Total flux subtracted in 200 components = -0.000404577 Jy ! Clean residual min=-0.003812 max=0.003902 Jy/beam ! Clean residual mean=-0.000006 rms=0.001002 Jy/beam ! Combined flux in latest and established models = 1.15278 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 213 components and 1.15278 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064913Jy sigma=0.823896 ! Fit after self-cal, rms=0.064914Jy sigma=0.823867 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064914Jy sigma=0.823867 ! Fit after self-cal, rms=0.064912Jy sigma=0.823769 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=3.086 mas, bmaj=7.236 mas, bpa=2.618 degrees ! Estimated noise=1.5201 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.717564 Jy ! Component: 100 - total flux cleaned = 0.910693 Jy ! Component: 150 - total flux cleaned = 0.995537 Jy ! Component: 200 - total flux cleaned = 1.04032 Jy ! Total flux subtracted in 200 components = 1.04032 Jy ! Clean residual min=-0.011168 max=0.021889 Jy/beam ! Clean residual mean=0.000004 rms=0.002624 Jy/beam ! Combined flux in latest and established models = 1.04032 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 26 model components to the UV plane model. ! The established model now contains 26 components and 1.04032 Jy ! Inverting map and beam ! Estimated beam: bmin=3.859 mas, bmaj=8.48 mas, bpa=1.561 degrees ! Estimated noise=1.25629 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 = 0.0319708 Jy ! Component: 100 - total flux cleaned = 0.0500971 Jy ! Component: 150 - total flux cleaned = 0.0628346 Jy ! Component: 200 - total flux cleaned = 0.0723885 Jy ! Total flux subtracted in 200 components = 0.0723885 Jy ! Clean residual min=-0.006148 max=0.005905 Jy/beam ! Clean residual mean=-0.000015 rms=0.001457 Jy/beam ! Combined flux in latest and established models = 1.11271 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 66 components and 1.11271 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=7.845 mas, bmaj=12.48 mas, bpa=-2.513 degrees ! Estimated noise=1.5216 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0096749 Jy ! Component: 100 - total flux cleaned = 0.0166634 Jy ! Component: 150 - total flux cleaned = 0.0220242 Jy ! Component: 200 - total flux cleaned = 0.026237 Jy ! Total flux subtracted in 200 components = 0.026237 Jy ! Clean residual min=-0.004595 max=0.004727 Jy/beam ! Clean residual mean=-0.000017 rms=0.001309 Jy/beam ! Combined flux in latest and established models = 1.13895 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00286588 Jy ! Component: 100 - total flux cleaned = 0.00500934 Jy ! Component: 150 - total flux cleaned = 0.00673222 Jy ! Component: 200 - total flux cleaned = 0.00828782 Jy ! Total flux subtracted in 200 components = 0.00828782 Jy ! Clean residual min=-0.004129 max=0.003776 Jy/beam ! Clean residual mean=-0.000013 rms=0.001192 Jy/beam ! Combined flux in latest and established models = 1.14724 Jy ! Adding 86 model components to the UV plane model. ! The established model now contains 145 components and 1.14724 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.859 mas, bmaj=8.48 mas, bpa=1.561 degrees ! Estimated noise=1.25629 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000515388 Jy ! Component: 100 - total flux cleaned = 0.00103842 Jy ! Component: 150 - total flux cleaned = 0.00175348 Jy ! Component: 200 - total flux cleaned = 0.00219241 Jy ! Total flux subtracted in 200 components = 0.00219241 Jy ! Clean residual min=-0.004882 max=0.003963 Jy/beam ! Clean residual mean=-0.000007 rms=0.001069 Jy/beam ! Combined flux in latest and established models = 1.14943 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 165 components and 1.14943 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065687Jy sigma=0.835706 ! Fit after self-cal, rms=0.065650Jy sigma=0.835064 wmodel J1549+0237_S_a_map.mod ! Writing 165 model components to file: J1549+0237_S_a_map.mod wobs J1549+0237_S_a_uvs.fits ! Writing UV FITS file: J1549+0237_S_a_uvs.fits wwins J1549+0237_S_a_map.win ! wwins: Wrote 4 windows to J1549+0237_S_a_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 = -0.00126201 Jy ! Component: 100 - total flux cleaned = -0.00126683 Jy ! Component: 150 - total flux cleaned = -0.000797472 Jy ! Component: 200 - total flux cleaned = -0.000472488 Jy ! Component: 250 - total flux cleaned = 0.00016424 Jy ! Component: 300 - total flux cleaned = 0.000724682 Jy ! Component: 350 - total flux cleaned = 0.00121196 Jy ! Component: 400 - total flux cleaned = 0.00174813 Jy ! Component: 450 - total flux cleaned = 0.00209823 Jy ! Component: 500 - total flux cleaned = 0.00249958 Jy ! Component: 550 - total flux cleaned = 0.00295057 Jy ! Component: 600 - total flux cleaned = 0.00328399 Jy ! Component: 650 - total flux cleaned = 0.00344779 Jy ! Component: 700 - total flux cleaned = 0.0036099 Jy ! Component: 750 - total flux cleaned = 0.00355784 Jy ! Component: 800 - total flux cleaned = 0.00387269 Jy ! Component: 850 - total flux cleaned = 0.00382158 Jy ! Component: 900 - total flux cleaned = 0.00387325 Jy ! Component: 950 - total flux cleaned = 0.00387401 Jy ! Component: 1000 - total flux cleaned = 0.00392342 Jy ! Component: 1050 - total flux cleaned = 0.00392303 Jy ! Component: 1100 - total flux cleaned = 0.00372853 Jy ! Component: 1150 - total flux cleaned = 0.00358463 Jy ! Component: 1200 - total flux cleaned = 0.00358491 Jy ! Component: 1250 - total flux cleaned = 0.00339683 Jy ! Component: 1300 - total flux cleaned = 0.00325709 Jy ! Component: 1350 - total flux cleaned = 0.00307274 Jy ! Component: 1400 - total flux cleaned = 0.00298127 Jy ! Component: 1450 - total flux cleaned = 0.00298163 Jy ! Component: 1500 - total flux cleaned = 0.00302676 Jy ! Component: 1550 - total flux cleaned = 0.00293793 Jy ! Component: 1600 - total flux cleaned = 0.00298134 Jy ! Component: 1650 - total flux cleaned = 0.0028511 Jy ! Component: 1700 - total flux cleaned = 0.00293766 Jy ! Component: 1750 - total flux cleaned = 0.00289459 Jy ! Component: 1800 - total flux cleaned = 0.00272541 Jy ! Component: 1850 - total flux cleaned = 0.00255758 Jy ! Component: 1900 - total flux cleaned = 0.00259956 Jy ! Component: 1950 - total flux cleaned = 0.00251709 Jy ! Component: 2000 - total flux cleaned = 0.00243529 Jy ! Component: 2050 - total flux cleaned = 0.00227241 Jy ! Component: 2100 - total flux cleaned = 0.00207125 Jy ! Component: 2150 - total flux cleaned = 0.00187154 Jy ! Component: 2200 - total flux cleaned = 0.0017527 Jy ! Component: 2250 - total flux cleaned = 0.00147783 Jy ! Component: 2300 - total flux cleaned = 0.00139967 Jy ! Component: 2350 - total flux cleaned = 0.00120635 Jy ! Component: 2400 - total flux cleaned = 0.00105288 Jy ! Component: 2450 - total flux cleaned = 0.000900063 Jy ! Component: 2500 - total flux cleaned = 0.00071077 Jy ! Component: 2550 - total flux cleaned = 0.000597777 Jy ! Component: 2600 - total flux cleaned = 0.000262282 Jy ! Component: 2650 - total flux cleaned = 0.000225562 Jy ! Component: 2700 - total flux cleaned = -3.21907e-05 Jy ! Component: 2750 - total flux cleaned = -0.00017828 Jy ! Component: 2800 - total flux cleaned = -0.000359623 Jy ! Component: 2850 - total flux cleaned = -0.000395273 Jy ! Component: 2900 - total flux cleaned = -0.00053796 Jy ! Component: 2950 - total flux cleaned = -0.000466865 Jy ! Component: 3000 - total flux cleaned = -0.00078495 Jy ! Component: 3050 - total flux cleaned = -0.000960302 Jy ! Component: 3100 - total flux cleaned = -0.0011341 Jy ! Component: 3150 - total flux cleaned = -0.00123774 Jy ! Component: 3200 - total flux cleaned = -0.00151205 Jy ! Component: 3250 - total flux cleaned = -0.00151199 Jy ! Component: 3300 - total flux cleaned = -0.00168131 Jy ! Component: 3350 - total flux cleaned = -0.00191741 Jy ! Component: 3400 - total flux cleaned = -0.0021854 Jy ! Component: 3450 - total flux cleaned = -0.00228525 Jy ! Component: 3500 - total flux cleaned = -0.00231839 Jy ! Component: 3550 - total flux cleaned = -0.00254861 Jy ! Component: 3600 - total flux cleaned = -0.00281025 Jy ! Component: 3650 - total flux cleaned = -0.0029076 Jy ! Component: 3700 - total flux cleaned = -0.00290778 Jy ! Component: 3750 - total flux cleaned = -0.00300395 Jy ! Component: 3800 - total flux cleaned = -0.00322734 Jy ! Component: 3850 - total flux cleaned = -0.00335446 Jy ! Component: 3900 - total flux cleaned = -0.00357523 Jy ! Component: 3950 - total flux cleaned = -0.00357542 Jy ! Component: 4000 - total flux cleaned = -0.00382494 Jy ! Component: 4050 - total flux cleaned = -0.00382479 Jy ! Total flux subtracted in 4096 components = -0.0038865 Jy ! Clean residual min=-0.001844 max=0.001805 Jy/beam ! Clean residual mean=-0.000002 rms=0.000581 Jy/beam ! Combined flux in latest and established models = 1.14554 Jy keep ! Adding 306 model components to the UV plane model. ! The established model now contains 471 components and 1.14554 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1549+0237_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.859 x 8.48 at 1.561 degrees (North through East) ! Clean map min=-0.0032774 max=0.94874 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1549+0237_S_a_map.fits wmodel /vlbi/uf001/uvm//J1549+0237_S_a_map.mod ! Writing 471 model components to file: /vlbi/uf001/uvm//J1549+0237_S_a_map.mod wobs /vlbi/uf001/uvm//J1549+0237_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1549+0237_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1549+0237_S_a_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uvm//J1549+0237_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.948737 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000581482 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.18387 0.18387 0.367741 0.735482 1.47096 2.94193 5.88385 11.7677 23.5354 47.0708 94.1417 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.948 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1631.58 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1549+0237_S_a_dfm.log closed on Sun Jan 13 21:56:11 2019