! Started logfile: /vlbi/uf001/uvm//J1642+6856_S_a_dfm.log on Sun Jan 13 22:03:45 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//J1642+6856_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1642+6856_S_a_uvm.fits ! AN table 1: 18 integrations on 45 of 45 possible baselines. ! AN table 2: 5 integrations on 21 of 21 possible baselines. ! AN table 3: 7 integrations on 28 of 28 possible baselines. ! AN table 4: 7 integrations on 28 of 28 possible baselines. ! AN table 5: 10 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.797101 visibilities/baseline/integration-bin. ! Found source: J1642+6856 ! ! 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 3795 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 J1642+6856_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 46 telescope corrections were flagged in sub-array 1. ! A total of 11 telescope corrections were flagged in sub-array 2. ! A total of 29 telescope corrections were flagged in sub-array 3. ! A total of 28 telescope corrections were flagged in sub-array 4. ! A total of 25 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 46 telescope corrections were flagged in sub-array 1. ! A total of 11 telescope corrections were flagged in sub-array 2. ! A total of 29 telescope corrections were flagged in sub-array 3. ! A total of 28 telescope corrections were flagged in sub-array 4. ! A total of 25 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 46 telescope corrections were flagged in sub-array 1. ! A total of 11 telescope corrections were flagged in sub-array 2. ! A total of 29 telescope corrections were flagged in sub-array 3. ! A total of 28 telescope corrections were flagged in sub-array 4. ! A total of 25 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=1.974909Jy sigma=20.784958 ! Fit after self-cal, rms=0.826337Jy sigma=6.721698 ! 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=3.55 mas, bmaj=3.71 mas, bpa=36.24 degrees ! Estimated noise=1.42028 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 = 1.18269 Jy ! Component: 100 - total flux cleaned = 1.46578 Jy ! Total flux subtracted in 100 components = 1.46578 Jy ! Clean residual min=-0.031130 max=0.106415 Jy/beam ! Clean residual mean=-0.000218 rms=0.008129 Jy/beam ! Combined flux in latest and established models = 1.46578 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 1.46578 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.575353Jy sigma=3.168909 ! Fit after self-cal, rms=0.575338Jy sigma=3.168826 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.107311 Jy ! Component: 100 - total flux cleaned = 0.155062 Jy ! Total flux subtracted in 100 components = 0.155062 Jy ! Clean residual min=-0.027312 max=0.071305 Jy/beam ! Clean residual mean=-0.000137 rms=0.006461 Jy/beam ! Combined flux in latest and established models = 1.62084 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 1.62084 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.544734Jy sigma=2.757124 ! Fit after self-cal, rms=0.544692Jy sigma=2.756303 ! Inverting map ! Added new window around map position (-2, -9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0623666 Jy ! Component: 100 - total flux cleaned = 0.0943438 Jy ! Total flux subtracted in 100 components = 0.0943438 Jy ! Clean residual min=-0.024125 max=0.025422 Jy/beam ! Clean residual mean=-0.000097 rms=0.005641 Jy/beam ! Combined flux in latest and established models = 1.71519 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 31 components and 1.71519 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.535534Jy sigma=2.571611 ! Fit after self-cal, rms=0.534953Jy sigma=2.556621 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.143 mas, bmaj=4.361 mas, bpa=58.9 degrees ! Estimated noise=1.24489 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 = 0.0324534 Jy ! Component: 100 - total flux cleaned = 0.053291 Jy ! Component: 150 - total flux cleaned = 0.0674556 Jy ! Component: 200 - total flux cleaned = 0.0724773 Jy ! Total flux subtracted in 200 components = 0.0724773 Jy ! Clean residual min=-0.029699 max=0.021816 Jy/beam ! Clean residual mean=-0.000155 rms=0.006157 Jy/beam ! Combined flux in latest and established models = 1.78766 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 47 components and 1.78766 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.530425Jy sigma=2.519386 ! Fit after self-cal, rms=0.530295Jy sigma=2.516119 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.143 x 4.361 at 58.9 degrees (North through East) ! Clean map min=-0.027925 max=1.5278 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 1.01 FD 1.00 HN 0.98 KP 0.99 ! LA 0.94 MK 1.00 NL 1.06 OV 0.96 ! PT 1.00 SC 0.97 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.03 HN 1.00 KP 1.06 LA 0.98 ! NL 1.08 OV 0.98 PT 1.05 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 HN 1.02 KP 1.02 LA 0.92 ! MK 1.10 NL 1.06 OV 1.02 PT 1.05 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.06 FD 1.12 HN 1.02 KP 1.06 ! LA 0.98 NL 1.07 OV 1.00 PT 1.05 ! ! A total of 3 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.10 FD 1.04 HN 1.03 KP 1.03 ! LA 0.96 MK 1.02 NL 1.13 PT 1.02 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HN 0.99 KP 0.99 ! LA 0.95 MK 1.00 NL 1.08 OV 0.91 ! PT 1.00 SC 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.01 HN 0.99 KP 1.03 LA 0.97 ! NL 1.10 OV 0.92 PT 1.04 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.85 HN 1.02 KP 1.03 LA 0.94 ! MK 1.10 NL 1.06 OV 0.92 PT 1.07 ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.76 FD 1.17 HN 1.00 KP 1.04 ! LA 0.97 NL 1.10 OV 0.89 PT 1.06 ! ! A total of 3 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.08 FD 1.04 HN 1.03 KP 0.98 ! LA 0.98 MK 1.01 NL 0.68 PT 1.03 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 0.97 KP 1.00 ! LA 0.94 MK 1.00 NL 1.03 OV 0.97 ! PT 0.97 SC 0.99 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 1.01 HN 1.01 KP 1.03 LA 0.96 ! NL 1.26 OV 0.98 PT 1.04 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 HN 1.03 KP 1.05 LA 0.92 ! MK 1.13 NL 1.07 OV 1.02 PT 1.05 ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 1.15 HN 1.03 KP 1.05 ! LA 0.95 NL 1.18 OV 1.00 PT 1.06 ! ! A total of 3 telescope corrections were flagged in sub-array 5. ! Telescope amplitude corrections in sub-array 5: ! BR 1.08 FD 1.05 HN 1.04 KP 1.05 ! LA 0.96 MK 1.03 NL 1.05 PT 1.03 ! ! ! Fit before self-cal, rms=0.530295Jy sigma=2.516119 ! Fit after self-cal, rms=0.328051Jy sigma=1.956206 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.142 mas, bmaj=4.337 mas, bpa=58.1 degrees ! Estimated noise=1.25676 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 = 0.0153146 Jy ! Component: 100 - total flux cleaned = 0.0172318 Jy ! Component: 150 - total flux cleaned = 0.0168681 Jy ! Component: 200 - total flux cleaned = 0.0162101 Jy ! Total flux subtracted in 200 components = 0.0162101 Jy ! Clean residual min=-0.018815 max=0.019018 Jy/beam ! Clean residual mean=-0.000092 rms=0.004890 Jy/beam ! Combined flux in latest and established models = 1.80387 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 63 components and 1.80387 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.325806Jy sigma=1.943050 ! Fit after self-cal, rms=0.325786Jy sigma=1.942478 ! 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=0.325786Jy sigma=1.942478 ! Fit after self-cal, rms=0.069941Jy sigma=0.744600 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.135 mas, bmaj=4.339 mas, bpa=61.28 degrees ! Estimated noise=1.25314 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000370213 Jy ! Component: 100 - total flux cleaned = -0.00179969 Jy ! Component: 150 - total flux cleaned = -0.00211945 Jy ! Component: 200 - total flux cleaned = -0.00199142 Jy ! Total flux subtracted in 200 components = -0.00199142 Jy ! Clean residual min=-0.005345 max=0.005130 Jy/beam ! Clean residual mean=-0.000043 rms=0.001130 Jy/beam ! Combined flux in latest and established models = 1.80188 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 72 components and 1.80188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068805Jy sigma=0.733020 ! Fit after self-cal, rms=0.068702Jy sigma=0.731902 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 = 0.00030212 Jy ! Component: 100 - total flux cleaned = 0.000640577 Jy ! Component: 150 - total flux cleaned = 0.000738677 Jy ! Component: 200 - total flux cleaned = 0.000825798 Jy ! Total flux subtracted in 200 components = 0.000825798 Jy ! Clean residual min=-0.005082 max=0.004856 Jy/beam ! Clean residual mean=-0.000042 rms=0.001101 Jy/beam ! Combined flux in latest and established models = 1.80271 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 76 components and 1.80271 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068378Jy sigma=0.728585 ! Fit after self-cal, rms=0.068363Jy sigma=0.728397 ! 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=0.068363Jy sigma=0.728397 ! Fit after self-cal, rms=0.068125Jy sigma=0.726077 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.135 mas, bmaj=4.345 mas, bpa=60.82 degrees ! Estimated noise=1.25278 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00230402 Jy ! Component: 100 - total flux cleaned = -0.00242283 Jy ! Component: 150 - total flux cleaned = -0.00243015 Jy ! Component: 200 - total flux cleaned = -0.00235209 Jy ! Total flux subtracted in 200 components = -0.00235209 Jy ! Clean residual min=-0.004583 max=0.004643 Jy/beam ! Clean residual mean=-0.000035 rms=0.001059 Jy/beam ! Combined flux in latest and established models = 1.80036 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 78 components and 1.80036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.067768Jy sigma=0.722717 ! Fit after self-cal, rms=0.067758Jy sigma=0.722576 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 (-4.5, -15). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00411856 Jy ! Component: 100 - total flux cleaned = 0.00487887 Jy ! Component: 150 - total flux cleaned = 0.00505913 Jy ! Component: 200 - total flux cleaned = 0.00513959 Jy ! Total flux subtracted in 200 components = 0.00513959 Jy ! Clean residual min=-0.004505 max=0.004318 Jy/beam ! Clean residual mean=-0.000030 rms=0.001024 Jy/beam ! Combined flux in latest and established models = 1.8055 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 93 components and 1.8055 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.067411Jy sigma=0.718247 ! Fit after self-cal, rms=0.067353Jy sigma=0.717906 ! 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=0.067353Jy sigma=0.717906 ! Fit after self-cal, rms=0.067220Jy sigma=0.716752 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.889 mas, bmaj=9.083 mas, bpa=73.22 degrees ! Estimated noise=1.65369 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00229279 Jy ! Component: 100 - total flux cleaned = 0.00248263 Jy ! Component: 150 - total flux cleaned = 0.00268153 Jy ! Component: 200 - total flux cleaned = 0.00284209 Jy ! Total flux subtracted in 200 components = 0.00284209 Jy ! Clean residual min=-0.004787 max=0.005566 Jy/beam ! Clean residual mean=-0.000056 rms=0.001291 Jy/beam ! Combined flux in latest and established models = 1.80834 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 118 components and 1.80834 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.067080Jy sigma=0.715309 ! Fit after self-cal, rms=0.067050Jy sigma=0.715132 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 (0, -31). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00589119 Jy ! Component: 100 - total flux cleaned = 0.00927931 Jy ! Component: 150 - total flux cleaned = 0.0116121 Jy ! Component: 200 - total flux cleaned = 0.0125408 Jy ! Total flux subtracted in 200 components = 0.0125408 Jy ! Clean residual min=-0.004351 max=0.004604 Jy/beam ! Clean residual mean=-0.000026 rms=0.001187 Jy/beam ! Combined flux in latest and established models = 1.82088 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 168 components and 1.82088 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066669Jy sigma=0.712252 ! Fit after self-cal, rms=0.066658Jy sigma=0.711996 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=4.134 mas, bmaj=4.349 mas, bpa=60.41 degrees ! Estimated noise=1.25258 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.134 x 4.349 at 60.41 degrees (North through East) ! Clean map min=-0.0037974 max=1.5294 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=0.066658Jy sigma=0.711996 ! Fit after self-cal, rms=0.061930Jy sigma=0.638862 ! Inverting map and beam ! Estimated beam: bmin=4.134 mas, bmaj=4.351 mas, bpa=60.34 degrees ! Estimated noise=1.25215 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000492968 Jy ! Component: 100 - total flux cleaned = -0.000160327 Jy ! Component: 150 - total flux cleaned = 0.000340974 Jy ! Component: 200 - total flux cleaned = 0.000707318 Jy ! Total flux subtracted in 200 components = 0.000707318 Jy ! Clean residual min=-0.003803 max=0.004369 Jy/beam ! Clean residual mean=-0.000012 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 1.82159 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 190 components and 1.82159 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061615Jy sigma=0.634904 ! Fit after self-cal, rms=0.061608Jy sigma=0.634822 ! Inverting map ! Added new window around map position (12, 48.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00319296 Jy ! Component: 100 - total flux cleaned = 0.00419016 Jy ! Component: 150 - total flux cleaned = 0.00460964 Jy ! Component: 200 - total flux cleaned = 0.00484805 Jy ! Total flux subtracted in 200 components = 0.00484805 Jy ! Clean residual min=-0.003731 max=0.003685 Jy/beam ! Clean residual mean=-0.000007 rms=0.000886 Jy/beam ! Combined flux in latest and established models = 1.82643 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 213 components and 1.82643 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061326Jy sigma=0.630881 ! Fit after self-cal, rms=0.061321Jy sigma=0.630747 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061321Jy sigma=0.630747 ! Fit after self-cal, rms=0.061259Jy sigma=0.630394 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=3.553 mas, bmaj=3.707 mas, bpa=33.99 degrees ! Estimated noise=1.42746 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.18718 Jy ! Component: 100 - total flux cleaned = 1.47075 Jy ! Component: 150 - total flux cleaned = 1.58442 Jy ! Component: 200 - total flux cleaned = 1.64811 Jy ! Total flux subtracted in 200 components = 1.64811 Jy ! Clean residual min=-0.010766 max=0.033189 Jy/beam ! Clean residual mean=-0.000087 rms=0.002774 Jy/beam ! Combined flux in latest and established models = 1.64811 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 1.64811 Jy ! Inverting map and beam ! Estimated beam: bmin=4.133 mas, bmaj=4.352 mas, bpa=60.21 degrees ! Estimated noise=1.25182 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 = 0.0510408 Jy ! Component: 100 - total flux cleaned = 0.0835865 Jy ! Component: 150 - total flux cleaned = 0.10539 Jy ! Component: 200 - total flux cleaned = 0.120466 Jy ! Total flux subtracted in 200 components = 0.120466 Jy ! Clean residual min=-0.004890 max=0.009425 Jy/beam ! Clean residual mean=-0.000067 rms=0.001288 Jy/beam ! Combined flux in latest and established models = 1.76858 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 50 components and 1.76858 Jy ! Inverting map ! Added new window around map position (-2.5, -4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0108856 Jy ! Component: 100 - total flux cleaned = 0.0188211 Jy ! Component: 150 - total flux cleaned = 0.0252421 Jy ! Component: 200 - total flux cleaned = 0.0306905 Jy ! Total flux subtracted in 200 components = 0.0306905 Jy ! Clean residual min=-0.004149 max=0.004302 Jy/beam ! Clean residual mean=-0.000036 rms=0.001031 Jy/beam ! Combined flux in latest and established models = 1.79927 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 80 components and 1.79927 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=7.89 mas, bmaj=9.086 mas, bpa=73.14 degrees ! Estimated noise=1.6522 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00689228 Jy ! Component: 100 - total flux cleaned = 0.0117968 Jy ! Component: 150 - total flux cleaned = 0.0156832 Jy ! Component: 200 - total flux cleaned = 0.0188367 Jy ! Total flux subtracted in 200 components = 0.0188367 Jy ! Clean residual min=-0.003778 max=0.004601 Jy/beam ! Clean residual mean=-0.000037 rms=0.001141 Jy/beam ! Combined flux in latest and established models = 1.81811 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 = 0.00262135 Jy ! Component: 100 - total flux cleaned = 0.00449266 Jy ! Component: 150 - total flux cleaned = 0.00564713 Jy ! Component: 200 - total flux cleaned = 0.00659836 Jy ! Total flux subtracted in 200 components = 0.00659836 Jy ! Clean residual min=-0.003862 max=0.004536 Jy/beam ! Clean residual mean=-0.000022 rms=0.001102 Jy/beam ! Combined flux in latest and established models = 1.82471 Jy ! Adding 116 model components to the UV plane model. ! The established model now contains 189 components and 1.82471 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.133 mas, bmaj=4.352 mas, bpa=60.21 degrees ! Estimated noise=1.25182 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000259351 Jy ! Component: 100 - total flux cleaned = 0.0010126 Jy ! Component: 150 - total flux cleaned = 0.00146873 Jy ! Component: 200 - total flux cleaned = 0.00168756 Jy ! Total flux subtracted in 200 components = 0.00168756 Jy ! Clean residual min=-0.003820 max=0.003767 Jy/beam ! Clean residual mean=-0.000007 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 1.82639 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 210 components and 1.82639 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061614Jy sigma=0.637844 ! Fit after self-cal, rms=0.061539Jy sigma=0.636740 wmodel J1642+6856_S_a_map.mod ! Writing 210 model components to file: J1642+6856_S_a_map.mod wobs J1642+6856_S_a_uvs.fits ! Writing UV FITS file: J1642+6856_S_a_uvs.fits wwins J1642+6856_S_a_map.win ! wwins: Wrote 6 windows to J1642+6856_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 = -7.49852e-05 Jy ! Component: 100 - total flux cleaned = 5.8801e-05 Jy ! Component: 150 - total flux cleaned = 0.000188111 Jy ! Component: 200 - total flux cleaned = 0.000373404 Jy ! Component: 250 - total flux cleaned = 0.000249772 Jy ! Component: 300 - total flux cleaned = 1.28681e-05 Jy ! Component: 350 - total flux cleaned = -0.000276093 Jy ! Component: 400 - total flux cleaned = -0.000503649 Jy ! Component: 450 - total flux cleaned = -0.000727883 Jy ! Component: 500 - total flux cleaned = -0.00105848 Jy ! Component: 550 - total flux cleaned = -0.0012216 Jy ! Component: 600 - total flux cleaned = -0.00159731 Jy ! Component: 650 - total flux cleaned = -0.00175466 Jy ! Component: 700 - total flux cleaned = -0.00185864 Jy ! Component: 750 - total flux cleaned = -0.00201292 Jy ! Component: 800 - total flux cleaned = -0.0022154 Jy ! Component: 850 - total flux cleaned = -0.00211493 Jy ! Component: 900 - total flux cleaned = -0.00236441 Jy ! Component: 950 - total flux cleaned = -0.00246236 Jy ! Component: 1000 - total flux cleaned = -0.00265821 Jy ! Component: 1050 - total flux cleaned = -0.00270624 Jy ! Component: 1100 - total flux cleaned = -0.00275415 Jy ! Component: 1150 - total flux cleaned = -0.00289711 Jy ! Component: 1200 - total flux cleaned = -0.00327264 Jy ! Component: 1250 - total flux cleaned = -0.00317954 Jy ! Component: 1300 - total flux cleaned = -0.00341013 Jy ! Component: 1350 - total flux cleaned = -0.00350094 Jy ! Component: 1400 - total flux cleaned = -0.00363672 Jy ! Component: 1450 - total flux cleaned = -0.00372594 Jy ! Component: 1500 - total flux cleaned = -0.00368179 Jy ! Component: 1550 - total flux cleaned = -0.00385845 Jy ! Component: 1600 - total flux cleaned = -0.00390195 Jy ! Component: 1650 - total flux cleaned = -0.00394524 Jy ! Component: 1700 - total flux cleaned = -0.00390175 Jy ! Component: 1750 - total flux cleaned = -0.00394456 Jy ! Component: 1800 - total flux cleaned = -0.00381657 Jy ! Component: 1850 - total flux cleaned = -0.00377397 Jy ! Component: 1900 - total flux cleaned = -0.00385758 Jy ! Component: 1950 - total flux cleaned = -0.00385691 Jy ! Component: 2000 - total flux cleaned = -0.0037741 Jy ! Component: 2050 - total flux cleaned = -0.00393844 Jy ! Component: 2100 - total flux cleaned = -0.00385665 Jy ! Component: 2150 - total flux cleaned = -0.00385717 Jy ! Component: 2200 - total flux cleaned = -0.00401812 Jy ! Component: 2250 - total flux cleaned = -0.00381812 Jy ! Component: 2300 - total flux cleaned = -0.00389771 Jy ! Component: 2350 - total flux cleaned = -0.00401648 Jy ! Component: 2400 - total flux cleaned = -0.00393773 Jy ! Component: 2450 - total flux cleaned = -0.00397693 Jy ! Component: 2500 - total flux cleaned = -0.00386067 Jy ! Component: 2550 - total flux cleaned = -0.00401434 Jy ! Component: 2600 - total flux cleaned = -0.00397574 Jy ! Component: 2650 - total flux cleaned = -0.00397526 Jy ! Component: 2700 - total flux cleaned = -0.00389916 Jy ! Component: 2750 - total flux cleaned = -0.00401208 Jy ! Component: 2800 - total flux cleaned = -0.00382495 Jy ! Component: 2850 - total flux cleaned = -0.00397292 Jy ! Component: 2900 - total flux cleaned = -0.00404653 Jy ! Component: 2950 - total flux cleaned = -0.00393654 Jy ! Component: 3000 - total flux cleaned = -0.00393656 Jy ! Component: 3050 - total flux cleaned = -0.00386415 Jy ! Component: 3100 - total flux cleaned = -0.00404479 Jy ! Component: 3150 - total flux cleaned = -0.00415199 Jy ! Component: 3200 - total flux cleaned = -0.00404491 Jy ! Component: 3250 - total flux cleaned = -0.00400956 Jy ! Component: 3300 - total flux cleaned = -0.0040095 Jy ! Component: 3350 - total flux cleaned = -0.00421986 Jy ! Component: 3400 - total flux cleaned = -0.0041849 Jy ! Component: 3450 - total flux cleaned = -0.00435823 Jy ! Component: 3500 - total flux cleaned = -0.00422002 Jy ! Component: 3550 - total flux cleaned = -0.00435754 Jy ! Component: 3600 - total flux cleaned = -0.00435757 Jy ! Component: 3650 - total flux cleaned = -0.00425607 Jy ! Component: 3700 - total flux cleaned = -0.00442476 Jy ! Component: 3750 - total flux cleaned = -0.0044247 Jy ! Component: 3800 - total flux cleaned = -0.00442461 Jy ! Component: 3850 - total flux cleaned = -0.00445731 Jy ! Component: 3900 - total flux cleaned = -0.00462267 Jy ! Component: 3950 - total flux cleaned = -0.00435963 Jy ! Component: 4000 - total flux cleaned = -0.00439217 Jy ! Component: 4050 - total flux cleaned = -0.00458797 Jy ! Total flux subtracted in 4096 components = -0.00462037 Jy ! Clean residual min=-0.001904 max=0.002105 Jy/beam ! Clean residual mean=-0.000003 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 1.82177 Jy keep ! Adding 302 model components to the UV plane model. ! The established model now contains 512 components and 1.82177 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1642+6856_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.133 x 4.352 at 60.21 degrees (North through East) ! Clean map min=-0.0031214 max=1.5294 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1642+6856_S_a_map.fits wmodel /vlbi/uf001/uvm//J1642+6856_S_a_map.mod ! Writing 512 model components to file: /vlbi/uf001/uvm//J1642+6856_S_a_map.mod wobs /vlbi/uf001/uvm//J1642+6856_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1642+6856_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1642+6856_S_a_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uvm//J1642+6856_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.52943 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000593854 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.116485 0.116485 0.23297 0.465941 0.931881 1.86376 3.72752 7.45505 14.9101 29.8202 59.6404 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.529 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2575.44 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1642+6856_S_a_dfm.log closed on Sun Jan 13 22:03:49 2019