! Started logfile: /vlbi/uf001/uvm//J1638+5720_S_a_dfm.log on Sun Jan 13 22:02:14 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//J1638+5720_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1638+5720_S_a_uvm.fits ! AN table 1: 86 integrations on 45 of 45 possible baselines. ! AN table 2: 4 integrations on 36 of 36 possible baselines. ! AN table 3: 15 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.73435 visibilities/baseline/integration-bin. ! Found source: J1638+5720 ! ! 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 9537 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 J1638+5720_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 216 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! A total of 42 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 216 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! A total of 42 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 216 telescope corrections were flagged in sub-array 1. ! A total of 9 telescope corrections were flagged in sub-array 2. ! A total of 42 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.510963Jy sigma=20.962829 ! Fit after self-cal, rms=0.261140Jy sigma=3.634373 ! 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=2.982 mas, bmaj=3.857 mas, bpa=-15.16 degrees ! Estimated noise=0.70045 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 = 0.760527 Jy ! Component: 100 - total flux cleaned = 0.993922 Jy ! Total flux subtracted in 100 components = 0.993922 Jy ! Clean residual min=-0.017748 max=0.098465 Jy/beam ! Clean residual mean=-0.000012 rms=0.004258 Jy/beam ! Combined flux in latest and established models = 0.993922 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.993922 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.237439Jy sigma=2.995138 ! Fit after self-cal, rms=0.237260Jy sigma=2.992772 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.104297 Jy ! Component: 100 - total flux cleaned = 0.156172 Jy ! Total flux subtracted in 100 components = 0.156172 Jy ! Clean residual min=-0.012619 max=0.054479 Jy/beam ! Clean residual mean=-0.000013 rms=0.002619 Jy/beam ! Combined flux in latest and established models = 1.15009 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 20 components and 1.15009 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.156830Jy sigma=1.936280 ! Fit after self-cal, rms=0.156434Jy sigma=1.928967 ! Inverting map ! Added new window around map position (-2.5, -5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0479704 Jy ! Component: 100 - total flux cleaned = 0.0720436 Jy ! Total flux subtracted in 100 components = 0.0720436 Jy ! Clean residual min=-0.009994 max=0.019400 Jy/beam ! Clean residual mean=-0.000014 rms=0.002051 Jy/beam ! Combined flux in latest and established models = 1.22214 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 26 components and 1.22214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.133201Jy sigma=1.630649 ! Fit after self-cal, rms=0.131859Jy sigma=1.607829 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.019032 Jy ! Component: 100 - total flux cleaned = 0.0309611 Jy ! Total flux subtracted in 100 components = 0.0309611 Jy ! Clean residual min=-0.009345 max=0.011593 Jy/beam ! Clean residual mean=-0.000014 rms=0.001900 Jy/beam ! Combined flux in latest and established models = 1.2531 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 43 components and 1.2531 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.126110Jy sigma=1.543677 ! Fit after self-cal, rms=0.125909Jy sigma=1.540174 ! 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=3.798 mas, bmaj=4.663 mas, bpa=-11.36 degrees ! Estimated noise=0.557627 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 = 0.0173641 Jy ! Component: 100 - total flux cleaned = 0.0281078 Jy ! Component: 150 - total flux cleaned = 0.0351958 Jy ! Component: 200 - total flux cleaned = 0.0400342 Jy ! Total flux subtracted in 200 components = 0.0400342 Jy ! Clean residual min=-0.009609 max=0.010648 Jy/beam ! Clean residual mean=-0.000052 rms=0.001978 Jy/beam ! Combined flux in latest and established models = 1.29313 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 61 components and 1.29313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.122279Jy sigma=1.508656 ! Fit after self-cal, rms=0.122159Jy sigma=1.506475 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.798 x 4.663 at -11.36 degrees (North through East) ! Clean map min=-0.0094365 max=1.0232 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 0.99 KP 1.01 ! LA 0.96 MK 1.00 NL 1.04 OV 0.98 ! PT 0.98 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 HN 1.00 KP 1.02 LA 0.95 ! MK 0.83 NL 1.04 OV 0.96 PT 0.98 ! SC 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.05 HN 0.96 KP 1.05 LA 0.97 ! NL 1.05 OV 0.99 PT 1.05 ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.01 KP 1.01 ! LA 0.96 MK 1.01 NL 1.04 OV 0.97 ! PT 0.98 SC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 HN 1.00 KP 0.99 LA 0.97 ! MK 0.84 NL 0.99 OV 0.78 PT 0.98 ! SC 0.99 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.03 HN 0.99 KP 1.05 LA 0.97 ! NL 1.05 OV 0.94 PT 1.04 ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 1.00 KP 1.01 ! LA 0.96 MK 1.02 NL 1.05 OV 0.98 ! PT 0.97 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 HN 0.99 KP 1.00 LA 0.95 ! MK 0.84 NL 1.06 OV 0.94 PT 1.00 ! SC 1.05 ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.02 HN 0.99 KP 1.03 LA 0.98 ! NL 1.06 OV 0.99 PT 1.04 ! ! ! Fit before self-cal, rms=0.122159Jy sigma=1.506475 ! Fit after self-cal, rms=0.112228Jy sigma=1.381932 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.814 mas, bmaj=4.677 mas, bpa=-12.47 degrees ! Estimated noise=0.559427 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 = -0.00298926 Jy ! Component: 100 - total flux cleaned = -0.00373792 Jy ! Component: 150 - total flux cleaned = -0.00426358 Jy ! Component: 200 - total flux cleaned = -0.00484244 Jy ! Total flux subtracted in 200 components = -0.00484244 Jy ! Clean residual min=-0.007544 max=0.007216 Jy/beam ! Clean residual mean=-0.000029 rms=0.001594 Jy/beam ! Combined flux in latest and established models = 1.28829 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 73 components and 1.28829 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.111920Jy sigma=1.376020 ! Fit after self-cal, rms=0.111900Jy sigma=1.375610 ! 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=0.111900Jy sigma=1.375610 ! Fit after self-cal, rms=0.061488Jy sigma=0.831033 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.816 mas, bmaj=4.669 mas, bpa=-11.88 degrees ! Estimated noise=0.559157 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00432891 Jy ! Component: 100 - total flux cleaned = -0.00467106 Jy ! Component: 150 - total flux cleaned = -0.00485656 Jy ! Component: 200 - total flux cleaned = -0.00509438 Jy ! Total flux subtracted in 200 components = -0.00509438 Jy ! Clean residual min=-0.002497 max=0.006317 Jy/beam ! Clean residual mean=-0.000034 rms=0.000615 Jy/beam ! Combined flux in latest and established models = 1.2832 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 84 components and 1.2832 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061092Jy sigma=0.824501 ! Fit after self-cal, rms=0.061056Jy sigma=0.823625 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 (-9, -14). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00487165 Jy ! Component: 100 - total flux cleaned = 0.00590352 Jy ! Component: 150 - total flux cleaned = 0.00652045 Jy ! Component: 200 - total flux cleaned = 0.00685927 Jy ! Total flux subtracted in 200 components = 0.00685927 Jy ! Clean residual min=-0.002465 max=0.002882 Jy/beam ! Clean residual mean=-0.000031 rms=0.000560 Jy/beam ! Combined flux in latest and established models = 1.29006 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 103 components and 1.29006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060489Jy sigma=0.815436 ! Fit after self-cal, rms=0.060422Jy sigma=0.814552 ! Inverting map ! Added new window around map position (-13, -28.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00238379 Jy ! Component: 100 - total flux cleaned = 0.0038901 Jy ! Component: 150 - total flux cleaned = 0.00511983 Jy ! Component: 200 - total flux cleaned = 0.00557413 Jy ! Total flux subtracted in 200 components = 0.00557413 Jy ! Clean residual min=-0.002497 max=0.002108 Jy/beam ! Clean residual mean=-0.000029 rms=0.000536 Jy/beam ! Combined flux in latest and established models = 1.29563 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 114 components and 1.29563 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060189Jy sigma=0.811025 ! Fit after self-cal, rms=0.060170Jy sigma=0.810729 ! 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=0.060170Jy sigma=0.810729 ! Fit after self-cal, rms=0.059755Jy sigma=0.805360 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.82 mas, bmaj=4.67 mas, bpa=-11.74 degrees ! Estimated noise=0.559335 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0010371 Jy ! Component: 100 - total flux cleaned = -0.00105194 Jy ! Component: 150 - total flux cleaned = -0.000857742 Jy ! Component: 200 - total flux cleaned = -0.000563716 Jy ! Total flux subtracted in 200 components = -0.000563716 Jy ! Clean residual min=-0.002130 max=0.002017 Jy/beam ! Clean residual mean=-0.000027 rms=0.000507 Jy/beam ! Combined flux in latest and established models = 1.29507 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 118 components and 1.29507 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059578Jy sigma=0.802561 ! Fit after self-cal, rms=0.059561Jy sigma=0.802315 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 = -2.99098e-05 Jy ! Component: 100 - total flux cleaned = 0.000402025 Jy ! Component: 150 - total flux cleaned = 0.000694494 Jy ! Component: 200 - total flux cleaned = 0.000831482 Jy ! Total flux subtracted in 200 components = 0.000831482 Jy ! Clean residual min=-0.002063 max=0.002019 Jy/beam ! Clean residual mean=-0.000027 rms=0.000501 Jy/beam ! Combined flux in latest and established models = 1.2959 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 129 components and 1.2959 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059480Jy sigma=0.800883 ! Fit after self-cal, rms=0.059470Jy sigma=0.800715 ! 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=0.059470Jy sigma=0.800715 ! Fit after self-cal, rms=0.059171Jy sigma=0.797486 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.128 mas, bmaj=8.369 mas, bpa=-32.18 degrees ! Estimated noise=0.740188 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000765338 Jy ! Component: 100 - total flux cleaned = 0.000674015 Jy ! Component: 150 - total flux cleaned = 0.000711041 Jy ! Component: 200 - total flux cleaned = 0.000796171 Jy ! Total flux subtracted in 200 components = 0.000796171 Jy ! Clean residual min=-0.002287 max=0.002929 Jy/beam ! Clean residual mean=-0.000060 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 1.29669 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 156 components and 1.29669 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059124Jy sigma=0.796920 ! Fit after self-cal, rms=0.059118Jy sigma=0.796849 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 (-16, -70.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00286975 Jy ! Component: 100 - total flux cleaned = 0.00457764 Jy ! Component: 150 - total flux cleaned = 0.0058554 Jy ! Component: 200 - total flux cleaned = 0.00663351 Jy ! Total flux subtracted in 200 components = 0.00663351 Jy ! Clean residual min=-0.001967 max=0.002634 Jy/beam ! Clean residual mean=-0.000050 rms=0.000574 Jy/beam ! Combined flux in latest and established models = 1.30333 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 206 components and 1.30333 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059032Jy sigma=0.795786 ! Fit after self-cal, rms=0.059022Jy sigma=0.795659 ! Inverting map ! Added new window around map position (-28, -38.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00252571 Jy ! Component: 100 - total flux cleaned = 0.00320226 Jy ! Component: 150 - total flux cleaned = 0.00378941 Jy ! Component: 200 - total flux cleaned = 0.0043354 Jy ! Total flux subtracted in 200 components = 0.0043354 Jy ! Clean residual min=-0.001967 max=0.002049 Jy/beam ! Clean residual mean=-0.000043 rms=0.000528 Jy/beam ! Combined flux in latest and established models = 1.30766 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 254 components and 1.30766 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058941Jy sigma=0.794783 ! Fit after self-cal, rms=0.058937Jy sigma=0.794712 ! 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=3.822 mas, bmaj=4.671 mas, bpa=-11.66 degrees ! Estimated noise=0.559323 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.822 x 4.671 at -11.66 degrees (North through East) ! Clean map min=-0.001792 max=1.0251 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=0.058937Jy sigma=0.794712 ! Fit after self-cal, rms=0.054788Jy sigma=0.732444 ! Inverting map and beam ! Estimated beam: bmin=3.822 mas, bmaj=4.671 mas, bpa=-11.62 degrees ! Estimated noise=0.55913 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00090846 Jy ! Component: 100 - total flux cleaned = -0.000966995 Jy ! Component: 150 - total flux cleaned = -0.00107056 Jy ! Component: 200 - total flux cleaned = -0.00102103 Jy ! Total flux subtracted in 200 components = -0.00102103 Jy ! Clean residual min=-0.001728 max=0.001815 Jy/beam ! Clean residual mean=-0.000020 rms=0.000434 Jy/beam ! Combined flux in latest and established models = 1.30664 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 278 components and 1.30664 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054688Jy sigma=0.730655 ! Fit after self-cal, rms=0.054679Jy sigma=0.730539 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.49543e-05 Jy ! Component: 100 - total flux cleaned = 7.34123e-05 Jy ! Component: 150 - total flux cleaned = 0.000295854 Jy ! Component: 200 - total flux cleaned = 0.000424635 Jy ! Total flux subtracted in 200 components = 0.000424635 Jy ! Clean residual min=-0.001721 max=0.001784 Jy/beam ! Clean residual mean=-0.000019 rms=0.000429 Jy/beam ! Combined flux in latest and established models = 1.30707 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 296 components and 1.30707 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054615Jy sigma=0.729350 ! Fit after self-cal, rms=0.054609Jy sigma=0.729270 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054609Jy sigma=0.729270 ! Fit after self-cal, rms=0.054581Jy sigma=0.729151 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=2.998 mas, bmaj=3.86 mas, bpa=-15.12 degrees ! Estimated noise=0.706574 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.7652 Jy ! Component: 100 - total flux cleaned = 1.00103 Jy ! Component: 150 - total flux cleaned = 1.11025 Jy ! Component: 200 - total flux cleaned = 1.17169 Jy ! Total flux subtracted in 200 components = 1.17169 Jy ! Clean residual min=-0.005333 max=0.030505 Jy/beam ! Clean residual mean=-0.000010 rms=0.001493 Jy/beam ! Combined flux in latest and established models = 1.17169 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 13 model components to the UV plane model. ! The established model now contains 13 components and 1.17169 Jy ! Inverting map and beam ! Estimated beam: bmin=3.823 mas, bmaj=4.672 mas, bpa=-11.6 degrees ! Estimated noise=0.558995 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 = 0.0471701 Jy ! Component: 100 - total flux cleaned = 0.0708283 Jy ! Component: 150 - total flux cleaned = 0.0846296 Jy ! Component: 200 - total flux cleaned = 0.0938445 Jy ! Total flux subtracted in 200 components = 0.0938445 Jy ! Clean residual min=-0.002451 max=0.005145 Jy/beam ! Clean residual mean=-0.000040 rms=0.000641 Jy/beam ! Combined flux in latest and established models = 1.26554 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 34 components and 1.26554 Jy ! Inverting map ! Added new window around map position (-5.5, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00653955 Jy ! Component: 100 - total flux cleaned = 0.011391 Jy ! Component: 150 - total flux cleaned = 0.0152356 Jy ! Component: 200 - total flux cleaned = 0.0184849 Jy ! Total flux subtracted in 200 components = 0.0184849 Jy ! Clean residual min=-0.002108 max=0.002074 Jy/beam ! Clean residual mean=-0.000032 rms=0.000513 Jy/beam ! Combined flux in latest and established models = 1.28402 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 64 components and 1.28402 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.13 mas, bmaj=8.371 mas, bpa=-31.88 degrees ! Estimated noise=0.739486 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00414089 Jy ! Component: 100 - total flux cleaned = 0.00738259 Jy ! Component: 150 - total flux cleaned = 0.0101131 Jy ! Component: 200 - total flux cleaned = 0.0124609 Jy ! Total flux subtracted in 200 components = 0.0124609 Jy ! Clean residual min=-0.002355 max=0.002052 Jy/beam ! Clean residual mean=-0.000059 rms=0.000596 Jy/beam ! Combined flux in latest and established models = 1.29648 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 = 0.00204043 Jy ! Component: 100 - total flux cleaned = 0.00348838 Jy ! Component: 150 - total flux cleaned = 0.00472029 Jy ! Component: 200 - total flux cleaned = 0.00565882 Jy ! Total flux subtracted in 200 components = 0.00565882 Jy ! Clean residual min=-0.002186 max=0.001913 Jy/beam ! Clean residual mean=-0.000051 rms=0.000549 Jy/beam ! Combined flux in latest and established models = 1.30214 Jy ! Adding 125 model components to the UV plane model. ! The established model now contains 187 components and 1.30214 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.823 mas, bmaj=4.672 mas, bpa=-11.6 degrees ! Estimated noise=0.558995 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000432672 Jy ! Component: 100 - total flux cleaned = 0.000573401 Jy ! Component: 150 - total flux cleaned = 0.000840453 Jy ! Component: 200 - total flux cleaned = 0.00115499 Jy ! Total flux subtracted in 200 components = 0.00115499 Jy ! Clean residual min=-0.001776 max=0.001865 Jy/beam ! Clean residual mean=-0.000021 rms=0.000445 Jy/beam ! Combined flux in latest and established models = 1.3033 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 202 components and 1.3033 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.054902Jy sigma=0.733543 ! Fit after self-cal, rms=0.054839Jy sigma=0.732364 wmodel J1638+5720_S_a_map.mod ! Writing 202 model components to file: J1638+5720_S_a_map.mod wobs J1638+5720_S_a_uvs.fits ! Writing UV FITS file: J1638+5720_S_a_uvs.fits wwins J1638+5720_S_a_map.win ! wwins: Wrote 7 windows to J1638+5720_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 = -0.000411394 Jy ! Component: 100 - total flux cleaned = -0.000644704 Jy ! Component: 150 - total flux cleaned = -0.000996697 Jy ! Component: 200 - total flux cleaned = -0.00124585 Jy ! Component: 250 - total flux cleaned = -0.00151971 Jy ! Component: 300 - total flux cleaned = -0.00160924 Jy ! Component: 350 - total flux cleaned = -0.00172697 Jy ! Component: 400 - total flux cleaned = -0.00181366 Jy ! Component: 450 - total flux cleaned = -0.00195585 Jy ! Component: 500 - total flux cleaned = -0.00203985 Jy ! Component: 550 - total flux cleaned = -0.00220587 Jy ! Component: 600 - total flux cleaned = -0.00228816 Jy ! Component: 650 - total flux cleaned = -0.00247738 Jy ! Component: 700 - total flux cleaned = -0.00255749 Jy ! Component: 750 - total flux cleaned = -0.00258412 Jy ! Component: 800 - total flux cleaned = -0.00271567 Jy ! Component: 850 - total flux cleaned = -0.00276786 Jy ! Component: 900 - total flux cleaned = -0.0027939 Jy ! Component: 950 - total flux cleaned = -0.00284528 Jy ! Component: 1000 - total flux cleaned = -0.00299775 Jy ! Component: 1050 - total flux cleaned = -0.00297234 Jy ! Component: 1100 - total flux cleaned = -0.00304746 Jy ! Component: 1150 - total flux cleaned = -0.00307227 Jy ! Component: 1200 - total flux cleaned = -0.00319561 Jy ! Component: 1250 - total flux cleaned = -0.00319574 Jy ! Component: 1300 - total flux cleaned = -0.0032933 Jy ! Component: 1350 - total flux cleaned = -0.00334187 Jy ! Component: 1400 - total flux cleaned = -0.00338979 Jy ! Component: 1450 - total flux cleaned = -0.00348515 Jy ! Component: 1500 - total flux cleaned = -0.00339019 Jy ! Component: 1550 - total flux cleaned = -0.00350829 Jy ! Component: 1600 - total flux cleaned = -0.00353176 Jy ! Component: 1650 - total flux cleaned = -0.00355508 Jy ! Component: 1700 - total flux cleaned = -0.00362471 Jy ! Component: 1750 - total flux cleaned = -0.00364772 Jy ! Component: 1800 - total flux cleaned = -0.00369361 Jy ! Component: 1850 - total flux cleaned = -0.00371658 Jy ! Component: 1900 - total flux cleaned = -0.00376199 Jy ! Component: 1950 - total flux cleaned = -0.00385232 Jy ! Component: 2000 - total flux cleaned = -0.00385233 Jy ! Component: 2050 - total flux cleaned = -0.00396409 Jy ! Component: 2100 - total flux cleaned = -0.00394191 Jy ! Component: 2150 - total flux cleaned = -0.00396401 Jy ! Component: 2200 - total flux cleaned = -0.00402993 Jy ! Component: 2250 - total flux cleaned = -0.00398594 Jy ! Component: 2300 - total flux cleaned = -0.00405149 Jy ! Component: 2350 - total flux cleaned = -0.00407334 Jy ! Component: 2400 - total flux cleaned = -0.00400853 Jy ! Component: 2450 - total flux cleaned = -0.00413782 Jy ! Component: 2500 - total flux cleaned = -0.00415926 Jy ! Component: 2550 - total flux cleaned = -0.00403083 Jy ! Component: 2600 - total flux cleaned = -0.00409452 Jy ! Component: 2650 - total flux cleaned = -0.00405215 Jy ! Component: 2700 - total flux cleaned = -0.00413682 Jy ! Component: 2750 - total flux cleaned = -0.00415793 Jy ! Component: 2800 - total flux cleaned = -0.00407394 Jy ! Component: 2850 - total flux cleaned = -0.00411563 Jy ! Component: 2900 - total flux cleaned = -0.0041366 Jy ! Component: 2950 - total flux cleaned = -0.00417805 Jy ! Component: 3000 - total flux cleaned = -0.00417791 Jy ! Component: 3050 - total flux cleaned = -0.0040543 Jy ! Component: 3100 - total flux cleaned = -0.00417759 Jy ! Component: 3150 - total flux cleaned = -0.00419811 Jy ! Component: 3200 - total flux cleaned = -0.00417776 Jy ! Component: 3250 - total flux cleaned = -0.00419814 Jy ! Component: 3300 - total flux cleaned = -0.00419821 Jy ! Component: 3350 - total flux cleaned = -0.00427891 Jy ! Component: 3400 - total flux cleaned = -0.00431921 Jy ! Component: 3450 - total flux cleaned = -0.00425909 Jy ! Component: 3500 - total flux cleaned = -0.00439903 Jy ! Component: 3550 - total flux cleaned = -0.00437923 Jy ! Component: 3600 - total flux cleaned = -0.00435924 Jy ! Component: 3650 - total flux cleaned = -0.00439877 Jy ! Component: 3700 - total flux cleaned = -0.00447773 Jy ! Component: 3750 - total flux cleaned = -0.00445808 Jy ! Component: 3800 - total flux cleaned = -0.00453657 Jy ! Component: 3850 - total flux cleaned = -0.00453659 Jy ! Component: 3900 - total flux cleaned = -0.00467312 Jy ! Component: 3950 - total flux cleaned = -0.00471211 Jy ! Component: 4000 - total flux cleaned = -0.00465382 Jy ! Component: 4050 - total flux cleaned = -0.00467315 Jy ! Total flux subtracted in 4096 components = -0.00467312 Jy ! Clean residual min=-0.001031 max=0.001076 Jy/beam ! Clean residual mean=-0.000014 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 1.29862 Jy keep ! Adding 348 model components to the UV plane model. ! The established model now contains 547 components and 1.29862 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1638+5720_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.823 x 4.672 at -11.6 degrees (North through East) ! Clean map min=-0.0015109 max=1.0252 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1638+5720_S_a_map.fits wmodel /vlbi/uf001/uvm//J1638+5720_S_a_map.mod ! Writing 547 model components to file: /vlbi/uf001/uvm//J1638+5720_S_a_map.mod wobs /vlbi/uf001/uvm//J1638+5720_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1638+5720_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1638+5720_S_a_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uvm//J1638+5720_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.02521 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000355722 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.104092 0.104092 0.208184 0.416369 0.832738 1.66548 3.33095 6.6619 13.3238 26.6476 53.2952 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.025 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2882.06 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1638+5720_S_a_dfm.log closed on Sun Jan 13 22:02:19 2019