! Started logfile: /vlbi/uf001/uvm//J1157+8118_S_a_dfm.log on Sun Jan 13 21:31:18 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//J1157+8118_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1157+8118_S_a_uvm.fits ! AN table 1: 156 integrations on 45 of 45 possible baselines. ! AN table 2: 108 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.999502 visibilities/baseline/integration-bin. ! Found source: J1157+8118 ! ! 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 30117 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 J1157+8118_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 60 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 60 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 60 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.032308Jy sigma=19.382208 ! Fit after self-cal, rms=0.860497Jy sigma=16.502374 ! 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=2.675 mas, bmaj=4.238 mas, bpa=26.96 degrees ! Estimated noise=0.406494 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 = 0.0845433 Jy ! Component: 100 - total flux cleaned = 0.132028 Jy ! Total flux subtracted in 100 components = 0.132028 Jy ! Clean residual min=-0.014502 max=0.036232 Jy/beam ! Clean residual mean=-0.000233 rms=0.003900 Jy/beam ! Combined flux in latest and established models = 0.132028 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 30 components and 0.132028 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.200896Jy sigma=3.421147 ! Fit after self-cal, rms=0.199946Jy sigma=3.403316 ! Inverting map ! Added new window around map position (-5.5, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0413929 Jy ! Component: 100 - total flux cleaned = 0.0725431 Jy ! Total flux subtracted in 100 components = 0.0725431 Jy ! Clean residual min=-0.012799 max=0.036010 Jy/beam ! Clean residual mean=-0.000195 rms=0.003337 Jy/beam ! Combined flux in latest and established models = 0.204571 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 64 components and 0.204571 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.174542Jy sigma=2.965884 ! Fit after self-cal, rms=0.172847Jy sigma=2.935143 ! Inverting map ! Added new window around map position (-9.5, -1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0344943 Jy ! Component: 100 - total flux cleaned = 0.0598938 Jy ! Total flux subtracted in 100 components = 0.0598938 Jy ! Clean residual min=-0.010189 max=0.028858 Jy/beam ! Clean residual mean=-0.000163 rms=0.002870 Jy/beam ! Combined flux in latest and established models = 0.264464 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 101 components and 0.264465 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.153816Jy sigma=2.603271 ! Fit after self-cal, rms=0.152047Jy sigma=2.570646 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0274904 Jy ! Component: 100 - total flux cleaned = 0.0478206 Jy ! Total flux subtracted in 100 components = 0.0478206 Jy ! Clean residual min=-0.009180 max=0.023765 Jy/beam ! Clean residual mean=-0.000136 rms=0.002541 Jy/beam ! Combined flux in latest and established models = 0.312285 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 127 components and 0.312285 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.138208Jy sigma=2.332042 ! Fit after self-cal, rms=0.137031Jy sigma=2.310216 ! Inverting map ! Added new window around map position (5.5, 1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0250098 Jy ! Component: 100 - total flux cleaned = 0.0440973 Jy ! Total flux subtracted in 100 components = 0.0440973 Jy ! Clean residual min=-0.008202 max=0.015226 Jy/beam ! Clean residual mean=-0.000112 rms=0.002234 Jy/beam ! Combined flux in latest and established models = 0.356382 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 159 components and 0.356382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.124733Jy sigma=2.091451 ! Fit after self-cal, rms=0.124226Jy sigma=2.082644 ! Inverting map ! Added new window around map position (-1, -6.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0195842 Jy ! Component: 100 - total flux cleaned = 0.0351219 Jy ! Total flux subtracted in 100 components = 0.0351219 Jy ! Clean residual min=-0.007413 max=0.013483 Jy/beam ! Clean residual mean=-0.000093 rms=0.001992 Jy/beam ! Combined flux in latest and established models = 0.391504 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 173 components and 0.391504 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.115913Jy sigma=1.938434 ! Fit after self-cal, rms=0.115654Jy sigma=1.932936 ! Inverting map ! Added new window around map position (7, -5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0164356 Jy ! Component: 100 - total flux cleaned = 0.0293225 Jy ! Total flux subtracted in 100 components = 0.0293225 Jy ! Clean residual min=-0.006734 max=0.011599 Jy/beam ! Clean residual mean=-0.000078 rms=0.001819 Jy/beam ! Combined flux in latest and established models = 0.420827 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 198 components and 0.420827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.109591Jy sigma=1.827065 ! Fit after self-cal, rms=0.109382Jy sigma=1.822899 ! Inverting map ! Added new window around map position (80.5, 30). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0134592 Jy ! Component: 100 - total flux cleaned = 0.0247307 Jy ! Total flux subtracted in 100 components = 0.0247307 Jy ! Clean residual min=-0.006481 max=0.010784 Jy/beam ! Clean residual mean=-0.000070 rms=0.001688 Jy/beam ! Combined flux in latest and established models = 0.445558 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 226 components and 0.445558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.105126Jy sigma=1.748688 ! Fit after self-cal, rms=0.104994Jy sigma=1.745939 ! Inverting map ! Added new window around map position (9, 7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0119842 Jy ! Component: 100 - total flux cleaned = 0.0221664 Jy ! Total flux subtracted in 100 components = 0.0221664 Jy ! Clean residual min=-0.006378 max=0.008997 Jy/beam ! Clean residual mean=-0.000060 rms=0.001588 Jy/beam ! Combined flux in latest and established models = 0.467724 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 240 components and 0.467724 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.101353Jy sigma=1.681360 ! Fit after self-cal, rms=0.101262Jy sigma=1.679878 ! 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=3.488 mas, bmaj=5.351 mas, bpa=26.47 degrees ! Estimated noise=0.223638 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 (10.5, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0209567 Jy ! Component: 100 - total flux cleaned = 0.0379421 Jy ! Component: 150 - total flux cleaned = 0.0526219 Jy ! Component: 200 - total flux cleaned = 0.0654336 Jy ! Total flux subtracted in 200 components = 0.0654336 Jy ! Clean residual min=-0.007384 max=0.012489 Jy/beam ! Clean residual mean=-0.000107 rms=0.002196 Jy/beam ! Combined flux in latest and established models = 0.533158 Jy ! Performing phase self-cal ! Adding 99 model components to the UV plane model. ! The established model now contains 306 components and 0.533157 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.092880Jy sigma=1.534249 ! Fit after self-cal, rms=0.092391Jy sigma=1.526600 ! Inverting map ! Added new window around map position (74.5, 31). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.014186 Jy ! Component: 100 - total flux cleaned = 0.0257332 Jy ! Component: 150 - total flux cleaned = 0.0359125 Jy ! Component: 200 - total flux cleaned = 0.0450935 Jy ! Total flux subtracted in 200 components = 0.0450935 Jy ! Clean residual min=-0.006617 max=0.009105 Jy/beam ! Clean residual mean=-0.000077 rms=0.001812 Jy/beam ! Combined flux in latest and established models = 0.578251 Jy ! Performing phase self-cal ! Adding 93 model components to the UV plane model. ! The established model now contains 361 components and 0.578251 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.088108Jy sigma=1.452682 ! Fit after self-cal, rms=0.087877Jy sigma=1.448763 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.488 x 5.351 at 26.47 degrees (North through East) ! Clean map min=-0.0065593 max=0.095559 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 1.10 KP 1.01 ! LA 0.93 MK 1.02 NL 1.16 OV 1.05 ! PT 0.91 SC 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.12 FD 0.94 HN 1.13 KP 0.97 ! LA 0.91 MK 1.08 NL 1.07 PT 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.99 HN 1.10 KP 1.00 ! LA 0.93 MK 1.08 NL 1.17 OV 1.06 ! PT 0.91 SC 1.20 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.96 HN 1.07 KP 0.96 ! LA 0.93 MK 1.04 NL 1.01 PT 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 1.09 KP 0.99 ! LA 0.95 MK 1.10 NL 1.16 OV 1.10 ! PT 0.91 SC 1.12 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.12 FD 0.98 HN 1.07 KP 0.98 ! LA 0.93 MK 1.07 NL 1.03 PT 0.97 ! ! ! Fit before self-cal, rms=0.087877Jy sigma=1.448763 ! Fit after self-cal, rms=0.088132Jy sigma=1.385388 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.579 mas, bmaj=5.49 mas, bpa=26.43 degrees ! Estimated noise=0.235213 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 (80.5, 34). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00994383 Jy ! Component: 100 - total flux cleaned = 0.0156343 Jy ! Component: 150 - total flux cleaned = 0.0202822 Jy ! Component: 200 - total flux cleaned = 0.0245095 Jy ! Total flux subtracted in 200 components = 0.0245095 Jy ! Clean residual min=-0.004156 max=0.007822 Jy/beam ! Clean residual mean=0.000004 rms=0.001339 Jy/beam ! Combined flux in latest and established models = 0.60276 Jy ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 402 components and 0.60276 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.086541Jy sigma=1.352744 ! Fit after self-cal, rms=0.086483Jy sigma=1.350757 ! Inverting map ! Added new window around map position (57.5, 20.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00670031 Jy ! Component: 100 - total flux cleaned = 0.0105698 Jy ! Component: 150 - total flux cleaned = 0.0139881 Jy ! Component: 200 - total flux cleaned = 0.0173504 Jy ! Total flux subtracted in 200 components = 0.0173504 Jy ! Clean residual min=-0.003676 max=0.005323 Jy/beam ! Clean residual mean=-0.000001 rms=0.001196 Jy/beam ! Combined flux in latest and established models = 0.620111 Jy ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 434 components and 0.620111 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.085673Jy sigma=1.332704 ! Fit after self-cal, rms=0.085579Jy sigma=1.331163 ! 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=0.085579Jy sigma=1.331163 ! Fit after self-cal, rms=0.078961Jy sigma=1.280002 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.592 mas, bmaj=5.584 mas, bpa=26.19 degrees ! Estimated noise=0.231198 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0015085 Jy ! Component: 100 - total flux cleaned = 0.00388297 Jy ! Component: 150 - total flux cleaned = 0.00604559 Jy ! Component: 200 - total flux cleaned = 0.00816147 Jy ! Total flux subtracted in 200 components = 0.00816147 Jy ! Clean residual min=-0.003417 max=0.004324 Jy/beam ! Clean residual mean=-0.000011 rms=0.000904 Jy/beam ! Combined flux in latest and established models = 0.628272 Jy selfcal ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 459 components and 0.628272 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.078591Jy sigma=1.272539 ! Fit after self-cal, rms=0.078563Jy sigma=1.271651 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 (76, 19.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00405177 Jy ! Component: 100 - total flux cleaned = 0.00629446 Jy ! Component: 150 - total flux cleaned = 0.00777785 Jy ! Component: 200 - total flux cleaned = 0.00888093 Jy ! Total flux subtracted in 200 components = 0.00888093 Jy ! Clean residual min=-0.003191 max=0.003822 Jy/beam ! Clean residual mean=-0.000011 rms=0.000846 Jy/beam ! Combined flux in latest and established models = 0.637153 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 485 components and 0.637153 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.078270Jy sigma=1.265858 ! Fit after self-cal, rms=0.078249Jy sigma=1.265468 ! Inverting map ! Added new window around map position (31.5, 13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00374818 Jy ! Component: 100 - total flux cleaned = 0.00597433 Jy ! Component: 150 - total flux cleaned = 0.0076054 Jy ! Component: 200 - total flux cleaned = 0.00895512 Jy ! Total flux subtracted in 200 components = 0.00895512 Jy ! Clean residual min=-0.002846 max=0.003435 Jy/beam ! Clean residual mean=-0.000013 rms=0.000791 Jy/beam ! Combined flux in latest and established models = 0.646108 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 513 components and 0.646108 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.077993Jy sigma=1.260501 ! Fit after self-cal, rms=0.077968Jy sigma=1.260172 ! Inverting map ! Added new window around map position (10.5, -16.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0035366 Jy ! Component: 100 - total flux cleaned = 0.00537573 Jy ! Component: 150 - total flux cleaned = 0.00688041 Jy ! Component: 200 - total flux cleaned = 0.00804712 Jy ! Total flux subtracted in 200 components = 0.00804712 Jy ! Clean residual min=-0.002790 max=0.003110 Jy/beam ! Clean residual mean=-0.000008 rms=0.000747 Jy/beam ! Combined flux in latest and established models = 0.654155 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 538 components and 0.654156 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.077740Jy sigma=1.255978 ! Fit after self-cal, rms=0.077716Jy sigma=1.255545 ! 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=0.077716Jy sigma=1.255545 ! Fit after self-cal, rms=0.076730Jy sigma=1.253638 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.588 mas, bmaj=5.589 mas, bpa=26.02 degrees ! Estimated noise=0.229469 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00156491 Jy ! Component: 100 - total flux cleaned = 0.00305167 Jy ! Component: 150 - total flux cleaned = 0.00454691 Jy ! Component: 200 - total flux cleaned = 0.00591869 Jy ! Total flux subtracted in 200 components = 0.00591869 Jy ! Clean residual min=-0.002559 max=0.003254 Jy/beam ! Clean residual mean=-0.000007 rms=0.000690 Jy/beam ! Combined flux in latest and established models = 0.660074 Jy selfcal ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 553 components and 0.660074 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076560Jy sigma=1.250458 ! Fit after self-cal, rms=0.076540Jy sigma=1.250225 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 (3.5, 11.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00283685 Jy ! Component: 100 - total flux cleaned = 0.00419946 Jy ! Component: 150 - total flux cleaned = 0.00543598 Jy ! Component: 200 - total flux cleaned = 0.00638397 Jy ! Total flux subtracted in 200 components = 0.00638397 Jy ! Clean residual min=-0.002496 max=0.002778 Jy/beam ! Clean residual mean=-0.000004 rms=0.000654 Jy/beam ! Combined flux in latest and established models = 0.666458 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 574 components and 0.666458 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076363Jy sigma=1.246757 ! Fit after self-cal, rms=0.076349Jy sigma=1.246526 ! 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=0.076349Jy sigma=1.246526 ! Fit after self-cal, rms=0.075670Jy sigma=1.245965 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.896 mas, bmaj=10.34 mas, bpa=17.33 degrees ! Estimated noise=0.290182 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00345236 Jy ! Component: 100 - total flux cleaned = 0.00569352 Jy ! Component: 150 - total flux cleaned = 0.00743571 Jy ! Component: 200 - total flux cleaned = 0.00897729 Jy ! Total flux subtracted in 200 components = 0.00897729 Jy ! Clean residual min=-0.002848 max=0.003430 Jy/beam ! Clean residual mean=-0.000010 rms=0.000973 Jy/beam ! Combined flux in latest and established models = 0.675435 Jy selfcal ! Performing phase self-cal ! Adding 59 model components to the UV plane model. ! The established model now contains 623 components and 0.675435 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075550Jy sigma=1.243701 ! Fit after self-cal, rms=0.075530Jy sigma=1.243401 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 = 0.0016199 Jy ! Component: 100 - total flux cleaned = 0.00277873 Jy ! Component: 150 - total flux cleaned = 0.0039747 Jy ! Component: 200 - total flux cleaned = 0.00499759 Jy ! Total flux subtracted in 200 components = 0.00499759 Jy ! Clean residual min=-0.002812 max=0.003418 Jy/beam ! Clean residual mean=-0.000011 rms=0.000921 Jy/beam ! Combined flux in latest and established models = 0.680433 Jy ! Performing phase self-cal ! Adding 63 model components to the UV plane model. ! The established model now contains 650 components and 0.680433 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075470Jy sigma=1.242256 ! Fit after self-cal, rms=0.075462Jy sigma=1.242085 ! 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=3.582 mas, bmaj=5.592 mas, bpa=26.04 degrees ! Estimated noise=0.228175 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.582 x 5.592 at 26.04 degrees (North through East) ! Clean map min=-0.0023104 max=0.092827 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=2.731 mas, bmaj=4.399 mas, bpa=26.79 degrees ! Estimated noise=0.428153 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0880364 Jy ! Component: 100 - total flux cleaned = 0.148441 Jy ! Component: 150 - total flux cleaned = 0.196004 Jy ! Component: 200 - total flux cleaned = 0.234967 Jy ! Total flux subtracted in 200 components = 0.234967 Jy ! Clean residual min=-0.010990 max=0.023575 Jy/beam ! Clean residual mean=-0.000177 rms=0.003024 Jy/beam ! Combined flux in latest and established models = 0.234967 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 71 model components to the UV plane model. ! The established model now contains 71 components and 0.234967 Jy ! Inverting map and beam ! Estimated beam: bmin=3.582 mas, bmaj=5.592 mas, bpa=26.04 degrees ! Estimated noise=0.228175 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 = 0.0671551 Jy ! Component: 100 - total flux cleaned = 0.114533 Jy ! Component: 150 - total flux cleaned = 0.15044 Jy ! Component: 200 - total flux cleaned = 0.179424 Jy ! Total flux subtracted in 200 components = 0.179424 Jy ! Clean residual min=-0.007985 max=0.017649 Jy/beam ! Clean residual mean=-0.000213 rms=0.003076 Jy/beam ! Combined flux in latest and established models = 0.414392 Jy ! Adding 133 model components to the UV plane model. ! The established model now contains 183 components and 0.414392 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0243865 Jy ! Component: 100 - total flux cleaned = 0.045277 Jy ! Component: 150 - total flux cleaned = 0.0633654 Jy ! Component: 200 - total flux cleaned = 0.0792855 Jy ! Total flux subtracted in 200 components = 0.0792855 Jy ! Clean residual min=-0.005788 max=0.010009 Jy/beam ! Clean residual mean=-0.000120 rms=0.002086 Jy/beam ! Combined flux in latest and established models = 0.493677 Jy ! Adding 101 model components to the UV plane model. ! The established model now contains 270 components and 0.493677 Jy ! Inverting map ! Added new window around map position (12, -7.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0141627 Jy ! Component: 100 - total flux cleaned = 0.0268587 Jy ! Component: 150 - total flux cleaned = 0.0383317 Jy ! Component: 200 - total flux cleaned = 0.0487521 Jy ! Total flux subtracted in 200 components = 0.0487521 Jy ! Clean residual min=-0.004437 max=0.006799 Jy/beam ! Clean residual mean=-0.000080 rms=0.001565 Jy/beam ! Combined flux in latest and established models = 0.54243 Jy ! Adding 115 model components to the UV plane model. ! The established model now contains 362 components and 0.54243 Jy ! Inverting map ! Added new window around map position (68, 38.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0095469 Jy ! Component: 100 - total flux cleaned = 0.0183099 Jy ! Component: 150 - total flux cleaned = 0.0264032 Jy ! Component: 200 - total flux cleaned = 0.0338972 Jy ! Total flux subtracted in 200 components = 0.0338972 Jy ! Clean residual min=-0.003637 max=0.004912 Jy/beam ! Clean residual mean=-0.000057 rms=0.001235 Jy/beam ! Combined flux in latest and established models = 0.576327 Jy ! Adding 103 model components to the UV plane model. ! The established model now contains 432 components and 0.576327 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=7.896 mas, bmaj=10.34 mas, bpa=17.33 degrees ! Estimated noise=0.290182 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.013173 Jy ! Component: 100 - total flux cleaned = 0.0241243 Jy ! Component: 150 - total flux cleaned = 0.0335965 Jy ! Component: 200 - total flux cleaned = 0.0418628 Jy ! Total flux subtracted in 200 components = 0.0418628 Jy ! Clean residual min=-0.004408 max=0.005333 Jy/beam ! Clean residual mean=-0.000074 rms=0.001572 Jy/beam ! Combined flux in latest and established models = 0.61819 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 = 0.00725837 Jy ! Component: 100 - total flux cleaned = 0.0136627 Jy ! Component: 150 - total flux cleaned = 0.0193341 Jy ! Component: 200 - total flux cleaned = 0.0243712 Jy ! Total flux subtracted in 200 components = 0.0243712 Jy ! Clean residual min=-0.003783 max=0.004157 Jy/beam ! Clean residual mean=-0.000053 rms=0.001187 Jy/beam ! Combined flux in latest and established models = 0.642561 Jy ! Adding 243 model components to the UV plane model. ! The established model now contains 633 components and 0.642561 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.582 mas, bmaj=5.592 mas, bpa=26.04 degrees ! Estimated noise=0.228175 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00377149 Jy ! Component: 100 - total flux cleaned = 0.00703256 Jy ! Component: 150 - total flux cleaned = 0.0100085 Jy ! Component: 200 - total flux cleaned = 0.0127606 Jy ! Total flux subtracted in 200 components = 0.0127606 Jy ! Clean residual min=-0.002566 max=0.002941 Jy/beam ! Clean residual mean=-0.000020 rms=0.000649 Jy/beam ! Combined flux in latest and established models = 0.655322 Jy selfcal ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 679 components and 0.655322 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075875Jy sigma=1.248499 ! Fit after self-cal, rms=0.075555Jy sigma=1.243730 wmodel J1157+8118_S_a_map.mod ! Writing 679 model components to file: J1157+8118_S_a_map.mod wobs J1157+8118_S_a_uvs.fits ! Writing UV FITS file: J1157+8118_S_a_uvs.fits wwins J1157+8118_S_a_map.win ! wwins: Wrote 18 windows to J1157+8118_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 = 0.0010704 Jy ! Component: 100 - total flux cleaned = 0.00136434 Jy ! Component: 150 - total flux cleaned = 0.00168135 Jy ! Component: 200 - total flux cleaned = 0.00194617 Jy ! Component: 250 - total flux cleaned = 0.00201892 Jy ! Component: 300 - total flux cleaned = 0.00216253 Jy ! Component: 350 - total flux cleaned = 0.00233752 Jy ! Component: 400 - total flux cleaned = 0.0025087 Jy ! Component: 450 - total flux cleaned = 0.00260978 Jy ! Component: 500 - total flux cleaned = 0.00267612 Jy ! Component: 550 - total flux cleaned = 0.00274128 Jy ! Component: 600 - total flux cleaned = 0.00270931 Jy ! Component: 650 - total flux cleaned = 0.00274074 Jy ! Component: 700 - total flux cleaned = 0.00274054 Jy ! Component: 750 - total flux cleaned = 0.00274042 Jy ! Component: 800 - total flux cleaned = 0.00268032 Jy ! Component: 850 - total flux cleaned = 0.00279985 Jy ! Component: 900 - total flux cleaned = 0.00277042 Jy ! Component: 950 - total flux cleaned = 0.0027417 Jy ! Component: 1000 - total flux cleaned = 0.002742 Jy ! Component: 1050 - total flux cleaned = 0.00279933 Jy ! Component: 1100 - total flux cleaned = 0.00282713 Jy ! Component: 1150 - total flux cleaned = 0.0028828 Jy ! Component: 1200 - total flux cleaned = 0.00293802 Jy ! Component: 1250 - total flux cleaned = 0.00296536 Jy ! Component: 1300 - total flux cleaned = 0.00296517 Jy ! Component: 1350 - total flux cleaned = 0.0030453 Jy ! Component: 1400 - total flux cleaned = 0.00304499 Jy ! Component: 1450 - total flux cleaned = 0.00307138 Jy ! Component: 1500 - total flux cleaned = 0.00309709 Jy ! Component: 1550 - total flux cleaned = 0.00304562 Jy ! Component: 1600 - total flux cleaned = 0.00304592 Jy ! Component: 1650 - total flux cleaned = 0.00304586 Jy ! Component: 1700 - total flux cleaned = 0.00299582 Jy ! Component: 1750 - total flux cleaned = 0.00304559 Jy ! Component: 1800 - total flux cleaned = 0.00304599 Jy ! Component: 1850 - total flux cleaned = 0.00297244 Jy ! Component: 1900 - total flux cleaned = 0.00306946 Jy ! Component: 1950 - total flux cleaned = 0.00314153 Jy ! Component: 2000 - total flux cleaned = 0.00330831 Jy ! Component: 2050 - total flux cleaned = 0.00328427 Jy ! Component: 2100 - total flux cleaned = 0.00330751 Jy ! Component: 2150 - total flux cleaned = 0.00337725 Jy ! Component: 2200 - total flux cleaned = 0.00335434 Jy ! Component: 2250 - total flux cleaned = 0.00344587 Jy ! Component: 2300 - total flux cleaned = 0.00340051 Jy ! Component: 2350 - total flux cleaned = 0.0035138 Jy ! Component: 2400 - total flux cleaned = 0.00353635 Jy ! Component: 2450 - total flux cleaned = 0.00355871 Jy ! Component: 2500 - total flux cleaned = 0.00362496 Jy ! Component: 2550 - total flux cleaned = 0.00369073 Jy ! Component: 2600 - total flux cleaned = 0.00366891 Jy ! Component: 2650 - total flux cleaned = 0.0037337 Jy ! Component: 2700 - total flux cleaned = 0.00377658 Jy ! Component: 2750 - total flux cleaned = 0.00379777 Jy ! Component: 2800 - total flux cleaned = 0.00392498 Jy ! Component: 2850 - total flux cleaned = 0.00381962 Jy ! Component: 2900 - total flux cleaned = 0.00392445 Jy ! Component: 2950 - total flux cleaned = 0.00398683 Jy ! Component: 3000 - total flux cleaned = 0.00400764 Jy ! Component: 3050 - total flux cleaned = 0.00404872 Jy ! Component: 3100 - total flux cleaned = 0.0040693 Jy ! Component: 3150 - total flux cleaned = 0.00417111 Jy ! Component: 3200 - total flux cleaned = 0.00411032 Jy ! Component: 3250 - total flux cleaned = 0.00421067 Jy ! Component: 3300 - total flux cleaned = 0.00413084 Jy ! Component: 3350 - total flux cleaned = 0.00419022 Jy ! Component: 3400 - total flux cleaned = 0.0042097 Jy ! Component: 3450 - total flux cleaned = 0.00422925 Jy ! Component: 3500 - total flux cleaned = 0.00411206 Jy ! Component: 3550 - total flux cleaned = 0.0041898 Jy ! Component: 3600 - total flux cleaned = 0.00415147 Jy ! Component: 3650 - total flux cleaned = 0.00424735 Jy ! Component: 3700 - total flux cleaned = 0.00419038 Jy ! Component: 3750 - total flux cleaned = 0.00424735 Jy ! Component: 3800 - total flux cleaned = 0.00430374 Jy ! Component: 3850 - total flux cleaned = 0.00422875 Jy ! Component: 3900 - total flux cleaned = 0.00428457 Jy ! Component: 3950 - total flux cleaned = 0.00428466 Jy ! Component: 4000 - total flux cleaned = 0.00432147 Jy ! Component: 4050 - total flux cleaned = 0.00430298 Jy ! Total flux subtracted in 4096 components = 0.00428461 Jy ! Clean residual min=-0.001060 max=0.001147 Jy/beam ! Clean residual mean=-0.000009 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.659606 Jy keep ! Adding 375 model components to the UV plane model. ! The established model now contains 1049 components and 0.659606 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1157+8118_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.582 x 5.592 at 26.04 degrees (North through East) ! Clean map min=-0.001709 max=0.093113 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1157+8118_S_a_map.fits wmodel /vlbi/uf001/uvm//J1157+8118_S_a_map.mod ! Writing 1049 model components to file: /vlbi/uf001/uvm//J1157+8118_S_a_map.mod wobs /vlbi/uf001/uvm//J1157+8118_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1157+8118_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1157+8118_S_a_map.win ! wwins: Wrote 19 windows to /vlbi/uf001/uvm//J1157+8118_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0931128 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000363071 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.16978 1.16978 2.33956 4.67912 9.35824 18.7165 37.433 74.8659 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.093 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 256.458 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1157+8118_S_a_dfm.log closed on Sun Jan 13 21:31:27 2019