! Started logfile: /vlbi/bp222/maps//J0121+1149_S_dfm.log on Thu Sep 27 10:37:12 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//J0121+1149_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J0121+1149_S_uvm.fits ! AN table 1: 48 integrations on 45 of 45 possible baselines. ! AN table 2: 14 integrations on 15 of 15 possible baselines. ! Apparent sampling: 1.80844 visibilities/baseline/integration-bin. ! Found source: J0121+1149 ! ! 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 17144 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 J0121+1149_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 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 275 telescope corrections were flagged in sub-array 1. ! A total of 42 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=2.535120Jy sigma=42.876029 ! Fit after self-cal, rms=1.345700Jy sigma=22.079345 ! 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=2.369 mas, bmaj=6.972 mas, bpa=1.413 degrees ! Estimated noise=0.765892 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 = 1.7366 Jy ! Component: 100 - total flux cleaned = 2.1271 Jy ! Total flux subtracted in 100 components = 2.1271 Jy ! Clean residual min=-0.061591 max=0.136460 Jy/beam ! Clean residual mean=-0.000083 rms=0.020529 Jy/beam ! Combined flux in latest and established models = 2.1271 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 2.1271 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.411200Jy sigma=5.817952 ! Fit after self-cal, rms=0.411164Jy sigma=5.817681 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.135637 Jy ! Component: 100 - total flux cleaned = 0.195813 Jy ! Total flux subtracted in 100 components = 0.195813 Jy ! Clean residual min=-0.056204 max=0.054524 Jy/beam ! Clean residual mean=-0.000089 rms=0.014240 Jy/beam ! Combined flux in latest and established models = 2.32291 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 19 components and 2.32291 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.356580Jy sigma=4.817300 ! Fit after self-cal, rms=0.356515Jy sigma=4.816862 ! 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=3.005 mas, bmaj=7.873 mas, bpa=-0.1727 degrees ! Estimated noise=0.53324 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 = 0.0405038 Jy ! Component: 100 - total flux cleaned = 0.0443529 Jy ! Component: 150 - total flux cleaned = 0.0443878 Jy ! Component: 200 - total flux cleaned = 0.0451565 Jy ! Total flux subtracted in 200 components = 0.0451565 Jy ! Clean residual min=-0.055979 max=0.055740 Jy/beam ! Clean residual mean=-0.000183 rms=0.015372 Jy/beam ! Combined flux in latest and established models = 2.36807 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 27 components and 2.36807 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349311Jy sigma=4.725863 ! Fit after self-cal, rms=0.349249Jy sigma=4.725423 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.005 x 7.873 at -0.1727 degrees (North through East) ! Clean map min=-0.054678 max=2.2678 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 0.98 KP 0.99 ! LA 0.96 MK 0.99 NL 1.02 OV 0.97 ! PT 0.99 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.00 LA 0.95 MK 0.99 ! OV 0.96 PT 0.94 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.03 HN 1.01 KP 0.96 ! LA 0.98 MK 0.98 NL 1.04 OV 0.99 ! PT 0.97 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.00 LA 0.96 MK 1.00 ! OV 0.97 PT 0.94 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.04 HN 1.01 KP 0.96 ! LA 0.98 MK 1.01 NL 1.08 OV 0.96 ! PT 0.97 SC 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.00 LA 0.91 MK 1.00 ! OV 0.95 PT 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.65 HN 1.00 KP 1.00* ! LA 2.15 MK 1.00* NL 1.00* OV 0.94 ! PT 0.96 SC 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* LA 0.00* MK 0.00* ! OV 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.349249Jy sigma=4.725423 ! Fit after self-cal, rms=0.250543Jy sigma=2.482070 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.019 mas, bmaj=7.875 mas, bpa=-0.3312 degrees ! Estimated noise=0.53381 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 = 0.0208524 Jy ! Component: 100 - total flux cleaned = 0.0305442 Jy ! Component: 150 - total flux cleaned = 0.030839 Jy ! Component: 200 - total flux cleaned = 0.0301474 Jy ! Total flux subtracted in 200 components = 0.0301474 Jy ! Clean residual min=-0.016850 max=0.029533 Jy/beam ! Clean residual mean=-0.000018 rms=0.006152 Jy/beam ! Combined flux in latest and established models = 2.39822 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 36 components and 2.39822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.246924Jy sigma=2.454695 ! Fit after self-cal, rms=0.246976Jy sigma=2.453998 ! 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=0.246976Jy sigma=2.453998 ! Fit after self-cal, rms=0.087715Jy sigma=1.296413 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.015 mas, bmaj=7.859 mas, bpa=-0.3506 degrees ! Estimated noise=0.53324 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00691669 Jy ! Component: 100 - total flux cleaned = 0.0073881 Jy ! Component: 150 - total flux cleaned = 0.00698516 Jy ! Component: 200 - total flux cleaned = 0.0064489 Jy ! Total flux subtracted in 200 components = 0.0064489 Jy ! Clean residual min=-0.013596 max=0.027912 Jy/beam ! Clean residual mean=-0.000020 rms=0.005305 Jy/beam ! Combined flux in latest and established models = 2.40467 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 40 components and 2.40467 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086502Jy sigma=1.275945 ! Fit after self-cal, rms=0.086360Jy sigma=1.275684 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 (4, 25). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0267553 Jy ! Component: 100 - total flux cleaned = 0.0422732 Jy ! Component: 150 - total flux cleaned = 0.0515963 Jy ! Component: 200 - total flux cleaned = 0.0550021 Jy ! Total flux subtracted in 200 components = 0.0550021 Jy ! Clean residual min=-0.010125 max=0.015400 Jy/beam ! Clean residual mean=-0.000032 rms=0.003230 Jy/beam ! Combined flux in latest and established models = 2.45967 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 78 components and 2.45967 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077975Jy sigma=1.074732 ! Fit after self-cal, rms=0.076819Jy sigma=1.061307 ! Inverting map ! Added new window around map position (13.5, 30.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0154609 Jy ! Component: 100 - total flux cleaned = 0.024302 Jy ! Component: 150 - total flux cleaned = 0.0299988 Jy ! Component: 200 - total flux cleaned = 0.0323139 Jy ! Total flux subtracted in 200 components = 0.0323139 Jy ! Clean residual min=-0.007775 max=0.009336 Jy/beam ! Clean residual mean=-0.000034 rms=0.002253 Jy/beam ! Combined flux in latest and established models = 2.49198 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 104 components and 2.49198 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073530Jy sigma=0.988716 ! Fit after self-cal, rms=0.073315Jy sigma=0.986336 ! 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=0.073315Jy sigma=0.986336 ! Fit after self-cal, rms=0.070654Jy sigma=0.955929 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.012 mas, bmaj=7.854 mas, bpa=-0.3852 degrees ! Estimated noise=0.532693 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00765284 Jy ! Component: 100 - total flux cleaned = 0.0109755 Jy ! Component: 150 - total flux cleaned = 0.0129365 Jy ! Component: 200 - total flux cleaned = 0.0145297 Jy ! Total flux subtracted in 200 components = 0.0145297 Jy ! Clean residual min=-0.005423 max=0.006801 Jy/beam ! Clean residual mean=-0.000017 rms=0.001593 Jy/beam ! Combined flux in latest and established models = 2.50651 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 129 components and 2.50651 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069643Jy sigma=0.932982 ! Fit after self-cal, rms=0.069597Jy sigma=0.931933 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 = 0.00237749 Jy ! Component: 100 - total flux cleaned = 0.0036458 Jy ! Component: 150 - total flux cleaned = 0.00492251 Jy ! Component: 200 - total flux cleaned = 0.00588924 Jy ! Total flux subtracted in 200 components = 0.00588924 Jy ! Clean residual min=-0.005022 max=0.006022 Jy/beam ! Clean residual mean=-0.000018 rms=0.001463 Jy/beam ! Combined flux in latest and established models = 2.5124 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 138 components and 2.5124 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069214Jy sigma=0.924842 ! Fit after self-cal, rms=0.069208Jy sigma=0.924645 ! 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=0.069208Jy sigma=0.924645 ! Fit after self-cal, rms=0.068902Jy sigma=0.921565 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.353 mas, bmaj=11.35 mas, bpa=-1.522 degrees ! Estimated noise=0.719597 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00458746 Jy ! Component: 100 - total flux cleaned = 0.00661902 Jy ! Component: 150 - total flux cleaned = 0.00777428 Jy ! Component: 200 - total flux cleaned = 0.00869853 Jy ! Total flux subtracted in 200 components = 0.00869853 Jy ! Clean residual min=-0.006443 max=0.007888 Jy/beam ! Clean residual mean=-0.000028 rms=0.002104 Jy/beam ! Combined flux in latest and established models = 2.5211 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 151 components and 2.5211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068704Jy sigma=0.917722 ! Fit after self-cal, rms=0.068692Jy sigma=0.917407 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 = 0.00099119 Jy ! Component: 100 - total flux cleaned = 0.00146391 Jy ! Component: 150 - total flux cleaned = 0.00189672 Jy ! Component: 200 - total flux cleaned = 0.0022367 Jy ! Total flux subtracted in 200 components = 0.0022367 Jy ! Clean residual min=-0.006350 max=0.007563 Jy/beam ! Clean residual mean=-0.000030 rms=0.002034 Jy/beam ! Combined flux in latest and established models = 2.52334 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 159 components and 2.52334 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068584Jy sigma=0.915745 ! Fit after self-cal, rms=0.068584Jy sigma=0.915725 ! 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=3.01 mas, bmaj=7.853 mas, bpa=-0.3981 degrees ! Estimated noise=0.532716 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.01 x 7.853 at -0.3981 degrees (North through East) ! Clean map min=-0.0067043 max=2.2784 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=0.068584Jy sigma=0.915725 ! Fit after self-cal, rms=0.063789Jy sigma=0.830987 ! Inverting map and beam ! Estimated beam: bmin=3.01 mas, bmaj=7.854 mas, bpa=-0.4163 degrees ! Estimated noise=0.53264 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00117361 Jy ! Component: 100 - total flux cleaned = 0.00211064 Jy ! Component: 150 - total flux cleaned = 0.00251397 Jy ! Component: 200 - total flux cleaned = 0.00287706 Jy ! Total flux subtracted in 200 components = 0.00287706 Jy ! Clean residual min=-0.004260 max=0.005129 Jy/beam ! Clean residual mean=-0.000012 rms=0.001190 Jy/beam ! Combined flux in latest and established models = 2.52621 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 170 components and 2.52621 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063524Jy sigma=0.826433 ! Fit after self-cal, rms=0.063526Jy sigma=0.826221 ! Inverting map ! Added new window around map position (31.5, 37.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00445441 Jy ! Component: 100 - total flux cleaned = 0.00619384 Jy ! Component: 150 - total flux cleaned = 0.00761744 Jy ! Component: 200 - total flux cleaned = 0.00871115 Jy ! Total flux subtracted in 200 components = 0.00871115 Jy ! Clean residual min=-0.004095 max=0.004208 Jy/beam ! Clean residual mean=-0.000009 rms=0.000990 Jy/beam ! Combined flux in latest and established models = 2.53492 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 192 components and 2.53493 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063148Jy sigma=0.818501 ! Fit after self-cal, rms=0.063141Jy sigma=0.818267 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063141Jy sigma=0.818267 ! Fit after self-cal, rms=0.063173Jy sigma=0.817526 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=2.368 mas, bmaj=6.961 mas, bpa=1.276 degrees ! Estimated noise=0.772358 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.7334 Jy ! Component: 100 - total flux cleaned = 2.12283 Jy ! Component: 150 - total flux cleaned = 2.25752 Jy ! Component: 200 - total flux cleaned = 2.32324 Jy ! Total flux subtracted in 200 components = 2.32324 Jy ! Clean residual min=-0.023723 max=0.034203 Jy/beam ! Clean residual mean=-0.000013 rms=0.006796 Jy/beam ! Combined flux in latest and established models = 2.32324 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 22 model components to the UV plane model. ! The established model now contains 22 components and 2.32324 Jy ! Inverting map and beam ! Estimated beam: bmin=3.009 mas, bmaj=7.853 mas, bpa=-0.4191 degrees ! Estimated noise=0.532645 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 = 0.0522857 Jy ! Component: 100 - total flux cleaned = 0.0871403 Jy ! Component: 150 - total flux cleaned = 0.113016 Jy ! Component: 200 - total flux cleaned = 0.133084 Jy ! Total flux subtracted in 200 components = 0.133084 Jy ! Clean residual min=-0.011339 max=0.014503 Jy/beam ! Clean residual mean=0.000005 rms=0.003542 Jy/beam ! Combined flux in latest and established models = 2.45633 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 51 components and 2.45633 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=7.351 mas, bmaj=11.35 mas, bpa=-1.541 degrees ! Estimated noise=0.719871 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0242135 Jy ! Component: 100 - total flux cleaned = 0.0392162 Jy ! Component: 150 - total flux cleaned = 0.0498849 Jy ! Component: 200 - total flux cleaned = 0.0581186 Jy ! Total flux subtracted in 200 components = 0.0581186 Jy ! Clean residual min=-0.008553 max=0.008850 Jy/beam ! Clean residual mean=-0.000016 rms=0.002571 Jy/beam ! Combined flux in latest and established models = 2.51445 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 = 0.00665386 Jy ! Component: 100 - total flux cleaned = 0.0121725 Jy ! Component: 150 - total flux cleaned = 0.0152277 Jy ! Component: 200 - total flux cleaned = 0.0178214 Jy ! Total flux subtracted in 200 components = 0.0178214 Jy ! Clean residual min=-0.007356 max=0.006777 Jy/beam ! Clean residual mean=-0.000016 rms=0.001924 Jy/beam ! Combined flux in latest and established models = 2.53227 Jy ! Adding 89 model components to the UV plane model. ! The established model now contains 136 components and 2.53227 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.009 mas, bmaj=7.853 mas, bpa=-0.4191 degrees ! Estimated noise=0.532645 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000894965 Jy ! Component: 100 - total flux cleaned = 0.00181413 Jy ! Component: 150 - total flux cleaned = 0.00255782 Jy ! Component: 200 - total flux cleaned = 0.00390381 Jy ! Total flux subtracted in 200 components = 0.00390381 Jy ! Clean residual min=-0.006452 max=0.006036 Jy/beam ! Clean residual mean=-0.000008 rms=0.001456 Jy/beam ! Combined flux in latest and established models = 2.53617 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 155 components and 2.53617 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065261Jy sigma=0.857222 ! Fit after self-cal, rms=0.065204Jy sigma=0.854734 wmodel J0121+1149_S_map.mod ! Writing 155 model components to file: J0121+1149_S_map.mod wobs J0121+1149_S_uvs.fits ! Writing UV FITS file: J0121+1149_S_uvs.fits wwins J0121+1149_S_map.win ! wwins: Wrote 4 windows to J0121+1149_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 = 0.0015659 Jy ! Component: 100 - total flux cleaned = 0.00177438 Jy ! Component: 150 - total flux cleaned = 0.00253008 Jy ! Component: 200 - total flux cleaned = 0.00323311 Jy ! Component: 250 - total flux cleaned = 0.00381386 Jy ! Component: 300 - total flux cleaned = 0.00436366 Jy ! Component: 350 - total flux cleaned = 0.00429061 Jy ! Component: 400 - total flux cleaned = 0.0042916 Jy ! Component: 450 - total flux cleaned = 0.00429404 Jy ! Component: 500 - total flux cleaned = 0.00436297 Jy ! Component: 550 - total flux cleaned = 0.00442693 Jy ! Component: 600 - total flux cleaned = 0.00430331 Jy ! Component: 650 - total flux cleaned = 0.00418567 Jy ! Component: 700 - total flux cleaned = 0.00435827 Jy ! Component: 750 - total flux cleaned = 0.00452348 Jy ! Component: 800 - total flux cleaned = 0.00452271 Jy ! Component: 850 - total flux cleaned = 0.00473641 Jy ! Component: 900 - total flux cleaned = 0.00524934 Jy ! Component: 950 - total flux cleaned = 0.00554804 Jy ! Component: 1000 - total flux cleaned = 0.00588824 Jy ! Component: 1050 - total flux cleaned = 0.00621974 Jy ! Component: 1100 - total flux cleaned = 0.00654192 Jy ! Component: 1150 - total flux cleaned = 0.00676658 Jy ! Component: 1200 - total flux cleaned = 0.00707491 Jy ! Component: 1250 - total flux cleaned = 0.00728841 Jy ! Component: 1300 - total flux cleaned = 0.00754037 Jy ! Component: 1350 - total flux cleaned = 0.00778555 Jy ! Component: 1400 - total flux cleaned = 0.00806397 Jy ! Component: 1450 - total flux cleaned = 0.00814113 Jy ! Component: 1500 - total flux cleaned = 0.00836851 Jy ! Component: 1550 - total flux cleaned = 0.00851711 Jy ! Component: 1600 - total flux cleaned = 0.0086983 Jy ! Component: 1650 - total flux cleaned = 0.00880461 Jy ! Component: 1700 - total flux cleaned = 0.00901286 Jy ! Component: 1750 - total flux cleaned = 0.00911405 Jy ! Component: 1800 - total flux cleaned = 0.00928026 Jy ! Component: 1850 - total flux cleaned = 0.00944305 Jy ! Component: 1900 - total flux cleaned = 0.00956966 Jy ! Component: 1950 - total flux cleaned = 0.00966334 Jy ! Component: 2000 - total flux cleaned = 0.00963291 Jy ! Component: 2050 - total flux cleaned = 0.0097232 Jy ! Component: 2100 - total flux cleaned = 0.00975262 Jy ! Component: 2150 - total flux cleaned = 0.00986847 Jy ! Component: 2200 - total flux cleaned = 0.00989639 Jy ! Component: 2250 - total flux cleaned = 0.0099519 Jy ! Component: 2300 - total flux cleaned = 0.00995182 Jy ! Component: 2350 - total flux cleaned = 0.0100057 Jy ! Component: 2400 - total flux cleaned = 0.0099521 Jy ! Component: 2450 - total flux cleaned = 0.00992545 Jy ! Component: 2500 - total flux cleaned = 0.00995087 Jy ! Component: 2550 - total flux cleaned = 0.00987397 Jy ! Component: 2600 - total flux cleaned = 0.00982366 Jy ! Component: 2650 - total flux cleaned = 0.00970038 Jy ! Component: 2700 - total flux cleaned = 0.00967617 Jy ! Component: 2750 - total flux cleaned = 0.00958025 Jy ! Component: 2800 - total flux cleaned = 0.0094619 Jy ! Component: 2850 - total flux cleaned = 0.00941531 Jy ! Component: 2900 - total flux cleaned = 0.00936909 Jy ! Component: 2950 - total flux cleaned = 0.0093233 Jy ! Component: 3000 - total flux cleaned = 0.00930058 Jy ! Component: 3050 - total flux cleaned = 0.00923386 Jy ! Component: 3100 - total flux cleaned = 0.00925616 Jy ! Component: 3150 - total flux cleaned = 0.00923447 Jy ! Component: 3200 - total flux cleaned = 0.00925597 Jy ! Component: 3250 - total flux cleaned = 0.00921317 Jy ! Component: 3300 - total flux cleaned = 0.00925552 Jy ! Component: 3350 - total flux cleaned = 0.00927632 Jy ! Component: 3400 - total flux cleaned = 0.00923461 Jy ! Component: 3450 - total flux cleaned = 0.009214 Jy ! Component: 3500 - total flux cleaned = 0.00915312 Jy ! Component: 3550 - total flux cleaned = 0.00919358 Jy ! Component: 3600 - total flux cleaned = 0.00919342 Jy ! Component: 3650 - total flux cleaned = 0.00923297 Jy ! Component: 3700 - total flux cleaned = 0.00919395 Jy ! Component: 3750 - total flux cleaned = 0.00925202 Jy ! Component: 3800 - total flux cleaned = 0.00923238 Jy ! Component: 3850 - total flux cleaned = 0.0093088 Jy ! Component: 3900 - total flux cleaned = 0.00930868 Jy ! Component: 3950 - total flux cleaned = 0.00942193 Jy ! Component: 4000 - total flux cleaned = 0.00945947 Jy ! Component: 4050 - total flux cleaned = 0.00953386 Jy ! Total flux subtracted in 4096 components = 0.00964485 Jy ! Clean residual min=-0.001181 max=0.000997 Jy/beam ! Clean residual mean=0.000006 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 2.54582 Jy keep ! Adding 273 model components to the UV plane model. ! The established model now contains 427 components and 2.54582 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J0121+1149_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.009 x 7.853 at -0.4191 degrees (North through East) ! Clean map min=-0.0051484 max=2.2722 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J0121+1149_S_map.fits wmodel /vlbi/bp222/maps//J0121+1149_S_map.mod ! Writing 427 model components to file: /vlbi/bp222/maps//J0121+1149_S_map.mod wobs /vlbi/bp222/maps//J0121+1149_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J0121+1149_S_uvs.fits wwins /vlbi/bp222/maps//J0121+1149_S_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J0121+1149_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 2.27224 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000304382 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0401871 0.0401871 0.0803742 0.160748 0.321497 0.642993 1.28599 2.57197 5.14395 10.2879 20.5758 41.1516 82.3031 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 2.272 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 7465.09 quit ! Quitting program ! Log file /vlbi/bp222/maps//J0121+1149_S_dfm.log closed on Thu Sep 27 10:37:16 2018