! Started logfile: /vlbi/vcs9/uvm//J1842+6809_C_a_dfm.log on Tue Dec 26 22:50:30 2017 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/vcs9/uvm//J1842+6809_C_a_uvm.fits ! Reading UV FITS file: /vlbi/vcs9/uvm//J1842+6809_C_a_uvm.fits ! AN table 1: 21 integrations on 36 of 36 possible baselines. ! AN table 2: 52 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.741863 visibilities/baseline/integration-bin. ! Found source: J1842+6809 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 13128 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_02.dfm J1842+6809_C] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.04 float dynam dynam = 6.0 float amp_soltime1 amp_soltime1 = 60 float amp_soltime2 amp_soltime2 = 5 float phase_soltime1 phase_soltime1=10 float phase_soltime2 phase_soltime2=0.5 float phase_soltime phase_soltime=phase_soltime1 float ampcor_selflim ampcor_selflim=1.20 float thresh thresh = 0.1 float win_mult win_mult = 1.8 float time_av time_av = 30 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_02.dvm version of 2017.12.26 === " ! === Difmap script: pima_mupet_02.dvm version of 2017.12.26 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. phase_soltime=phase_soltime1 print "uvstat(rms)=",uvstat(rms),"Jy" ! uvstat(rms)= 0.401912 Jy 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 24 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 24 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 24 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 24 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 24 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 24 telescope corrections were flagged in sub-array 1. ! A total of 140 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.076640Jy sigma=27.402674 ! Fit after self-cal, rms=0.603863Jy sigma=15.375368 ! 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. peakwin win_mult ! Inverting map and beam ! Estimated beam: bmin=1.568 mas, bmaj=5.512 mas, bpa=-84.33 degrees ! Estimated noise=0.453133 mJy/beam. ! Added new window around map position (0, 0). 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.341672 Jy ! Component: 100 - total flux cleaned = 0.390794 Jy ! Total flux subtracted in 100 components = 0.390794 Jy ! Clean residual min=-0.007979 max=0.017906 Jy/beam ! Clean residual mean=-0.000040 rms=0.001844 Jy/beam ! Combined flux in latest and established models = 0.390795 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.390795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.050733Jy sigma=1.081191 ! Fit after self-cal, rms=0.050610Jy sigma=1.079501 ! Inverting map ! Added new window around map position (2.1, -2.1). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0188985 Jy ! Component: 100 - total flux cleaned = 0.0212703 Jy ! Total flux subtracted in 100 components = 0.0212703 Jy ! Clean residual min=-0.005590 max=0.006715 Jy/beam ! Clean residual mean=-0.000019 rms=0.001222 Jy/beam ! Combined flux in latest and established models = 0.412065 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 19 components and 0.412065 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.045134Jy sigma=0.911783 ! Fit after self-cal, rms=0.044794Jy sigma=0.900054 ! Inverting map print "============== Finished uniform weighting CLEAN ==============" ! ============== Finished uniform weighting CLEAN ============== ! uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! 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=2.098 mas, bmaj=6.466 mas, bpa=-84.16 degrees ! Estimated noise=0.254666 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00525208 Jy ! Component: 100 - total flux cleaned = 0.00629611 Jy ! Component: 150 - total flux cleaned = 0.00670328 Jy ! Component: 200 - total flux cleaned = 0.00695112 Jy ! Total flux subtracted in 200 components = 0.00695112 Jy ! Clean residual min=-0.005398 max=0.005779 Jy/beam ! Clean residual mean=-0.000039 rms=0.001284 Jy/beam ! Combined flux in latest and established models = 0.419016 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 36 components and 0.419016 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.044166Jy sigma=0.876604 ! Fit after self-cal, rms=0.044112Jy sigma=0.874676 ! Inverting map print "============== Finished natural weighting CLEAN ==============" ! ============== Finished natural weighting CLEAN ============== ! gscale ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Amplitude normalization factor in sub-array 1: 1.0111 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 0.99 KP 1.02 ! LA 1.01 NL 0.99 OV 1.00 PT 1.00 ! SC 0.94 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Amplitude normalization factor in sub-array 2: 1.01407 ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.93 KP 1.03 LA 0.97 ! NL 1.05 OV 0.99 PT 0.96 SC 1.00 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.00975 ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 1.00 KP 1.02 ! LA 0.99 NL 1.01 OV 0.99 PT 1.00 ! SC 0.94 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Amplitude normalization factor in sub-array 2: 1.00432 ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.96 KP 1.04 LA 0.98 ! NL 1.04 OV 1.00 PT 0.97 SC 1.00 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.01511 ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 0.96 KP 1.01 ! LA 0.99 NL 0.99 OV 0.99 PT 0.99 ! SC 0.96 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Amplitude normalization factor in sub-array 2: 0.996139 ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 KP 1.04 LA 0.99 ! NL 1.03 OV 1.03 PT 0.99 SC 1.01 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1.03201 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.92 KP 1.02 ! LA 0.90 NL 1.00 OV 0.99 PT 0.95 ! SC 0.95 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Amplitude normalization factor in sub-array 2: 0.995975 ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.99 KP 1.06 LA 1.01 ! NL 1.05 OV 1.02 PT 0.95 SC 1.00 ! ! ! Correcting IF 5. ! Amplitude normalization factor in sub-array 1: 1.00394 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.01 KP 1.01 ! LA 1.00 NL 1.00 OV 0.99 PT 1.00 ! SC 0.97 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Amplitude normalization factor in sub-array 2: 0.983104 ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 KP 1.06 LA 1.01 ! NL 1.06 OV 1.03 PT 1.01 SC 1.00 ! ! ! Correcting IF 6. ! Amplitude normalization factor in sub-array 1: 1.00568 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 1.01 KP 1.02 ! LA 0.99 NL 0.99 OV 0.98 PT 1.00 ! SC 0.97 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Amplitude normalization factor in sub-array 2: 0.979823 ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.01 KP 1.06 LA 1.01 ! NL 1.04 OV 1.03 PT 1.01 SC 1.00 ! ! ! Correcting IF 7. ! Amplitude normalization factor in sub-array 1: 1.00535 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 1.01 KP 1.02 ! LA 0.99 NL 1.00 OV 0.97 PT 0.99 ! SC 0.97 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Amplitude normalization factor in sub-array 2: 0.981165 ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00 KP 1.06 LA 1.01 ! NL 1.05 OV 1.04 PT 1.00 SC 1.00 ! ! ! Correcting IF 8. ! Amplitude normalization factor in sub-array 1: 1.00398 ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 1.01 KP 1.02 ! LA 0.99 NL 0.99 OV 0.98 PT 1.00 ! SC 0.97 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Amplitude normalization factor in sub-array 2: 0.982024 ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 KP 1.05 LA 1.00 ! NL 1.05 OV 1.04 PT 1.00 SC 1.01 ! ! ! Fit before self-cal, rms=0.044112Jy sigma=0.874676 ! Fit after self-cal, rms=0.041944Jy sigma=0.813122 selfcal false, false, phase_soltime ! Performing phase self-cal over 10 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.041944Jy sigma=0.813122 ! Fit after self-cal, rms=0.041942Jy sigma=0.813117 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.077 mas, bmaj=6.436 mas, bpa=-84.23 degrees ! Estimated noise=0.254885 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-15.9, 4.8). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00441848 Jy ! Component: 100 - total flux cleaned = 0.00467046 Jy ! Component: 150 - total flux cleaned = 0.00494491 Jy ! Component: 200 - total flux cleaned = 0.00487363 Jy ! Total flux subtracted in 200 components = 0.00487363 Jy ! Clean residual min=-0.003785 max=0.003442 Jy/beam ! Clean residual mean=0.000018 rms=0.000811 Jy/beam ! Combined flux in latest and established models = 0.42389 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 40 model components to the UV plane model. ! The established model now contains 75 components and 0.423889 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.041436Jy sigma=0.793147 ! Fit after self-cal, rms=0.041448Jy sigma=0.791458 ! Inverting map print "============== Finished amplitude gscale SELF-CAL ==============" ! ============== Finished amplitude gscale SELF-CAL ============== ! phase_soltime=phase_soltime2 selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.041448Jy sigma=0.791458 ! Fit after self-cal, rms=0.041439Jy sigma=0.791222 dynam = dynam - 0.5 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000927079 Jy ! Component: 100 - total flux cleaned = 0.000930501 Jy ! Component: 150 - total flux cleaned = 0.000829208 Jy ! Component: 200 - total flux cleaned = 0.000782945 Jy ! Total flux subtracted in 200 components = 0.000782945 Jy ! Clean residual min=-0.003693 max=0.003213 Jy/beam ! Clean residual mean=0.000021 rms=0.000772 Jy/beam ! Combined flux in latest and established models = 0.424672 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 39 model components to the UV plane model. ! The established model now contains 106 components and 0.424672 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.041335Jy sigma=0.787316 ! Fit after self-cal, rms=0.041343Jy sigma=0.786949 ! Inverting map print "=== Finished natural weighting clean with shorter phase_soltime " ! === Finished natural weighting clean with shorter phase_soltime ! dynam = dynam - 0.25 restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.077 x 6.436 at -84.23 degrees (North through East) ! Clean map min=-0.00372 max=0.39467 Jy/beam if(peak(flux) > thresh) selfcal true, true, amp_soltime1 selfcal false, false, phase_soltime 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 false,false,phase_soltime new_peak = peak(flux) until(new_peak<=flux_cutoff) print "============== Finished amplitude self-cal ==============" end if ! Performing amp+phase self-cal over 60 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.041343Jy sigma=0.786949 ! Fit after self-cal, rms=0.038303Jy sigma=0.686143 ! Performing phase self-cal over 0.5 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.038303Jy sigma=0.686143 ! Fit after self-cal, rms=0.038300Jy sigma=0.686067 ! Inverting map and beam ! Estimated beam: bmin=2.069 mas, bmaj=6.411 mas, bpa=-84.56 degrees ! Estimated noise=0.254845 mJy/beam. ! Added new window around map position (2.4, -7.5). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00371479 Jy ! Component: 100 - total flux cleaned = 0.00432661 Jy ! Component: 150 - total flux cleaned = 0.00448992 Jy ! Component: 200 - total flux cleaned = 0.00442143 Jy ! Total flux subtracted in 200 components = 0.00442143 Jy ! Clean residual min=-0.001798 max=0.002046 Jy/beam ! Clean residual mean=0.000024 rms=0.000454 Jy/beam ! Combined flux in latest and established models = 0.429094 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 45 model components to the UV plane model. ! The established model now contains 151 components and 0.429094 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.037837Jy sigma=0.673082 ! Fit after self-cal, rms=0.037836Jy sigma=0.672489 ! Inverting map ! Added new window around map position (4.8, -13.5). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00184387 Jy ! Component: 100 - total flux cleaned = 0.00240851 Jy ! Component: 150 - total flux cleaned = 0.00246186 Jy ! Component: 200 - total flux cleaned = 0.00255779 Jy ! Total flux subtracted in 200 components = 0.00255779 Jy ! Clean residual min=-0.001657 max=0.001789 Jy/beam ! Clean residual mean=0.000030 rms=0.000396 Jy/beam ! Combined flux in latest and established models = 0.431652 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 40 model components to the UV plane model. ! The established model now contains 187 components and 0.431652 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.037575Jy sigma=0.666945 ! Fit after self-cal, rms=0.037552Jy sigma=0.666625 ! Inverting map ! Added new window around map position (16.8, 7.2). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00114016 Jy ! Component: 100 - total flux cleaned = 0.0013161 Jy ! Component: 150 - total flux cleaned = 0.00136088 Jy ! Component: 200 - total flux cleaned = 0.00135751 Jy ! Total flux subtracted in 200 components = 0.00135751 Jy ! Clean residual min=-0.001404 max=0.001324 Jy/beam ! Clean residual mean=0.000033 rms=0.000351 Jy/beam ! Combined flux in latest and established models = 0.433009 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 48 model components to the UV plane model. ! The established model now contains 232 components and 0.433009 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.037399Jy sigma=0.661843 ! Fit after self-cal, rms=0.037391Jy sigma=0.661711 ! Inverting map ! ============== Finished amplitude self-cal ============== print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true,true,true ! clrmod: Cleared the established, tentative and continuum 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=1.558 mas, bmaj=5.49 mas, bpa=-84.49 degrees ! Estimated noise=0.44933 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.338817 Jy ! Component: 100 - total flux cleaned = 0.392495 Jy ! Component: 150 - total flux cleaned = 0.411648 Jy ! Component: 200 - total flux cleaned = 0.419181 Jy ! Total flux subtracted in 200 components = 0.419181 Jy ! Clean residual min=-0.003501 max=0.003149 Jy/beam ! Clean residual mean=-0.000005 rms=0.000705 Jy/beam ! Combined flux in latest and established models = 0.419181 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! 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 0.419181 Jy ! Inverting map and beam ! Estimated beam: bmin=2.069 mas, bmaj=6.411 mas, bpa=-84.56 degrees ! Estimated noise=0.254845 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=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00572731 Jy ! Component: 100 - total flux cleaned = 0.00912386 Jy ! Component: 150 - total flux cleaned = 0.0112204 Jy ! Component: 200 - total flux cleaned = 0.0121799 Jy ! Total flux subtracted in 200 components = 0.0121799 Jy ! Clean residual min=-0.001875 max=0.001755 Jy/beam ! Clean residual mean=0.000028 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.431361 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 79 components and 0.431361 Jy ! Inverting map clean ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.000656751 Jy ! Component: 100 - total flux cleaned = 0.00101313 Jy ! Component: 150 - total flux cleaned = 0.00120755 Jy ! Component: 200 - total flux cleaned = 0.00144299 Jy ! Total flux subtracted in 200 components = 0.00144299 Jy ! Clean residual min=-0.001591 max=0.001528 Jy/beam ! Clean residual mean=0.000032 rms=0.000401 Jy/beam ! Combined flux in latest and established models = 0.432804 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 65 model components to the UV plane model. ! The established model now contains 125 components and 0.432804 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.037622Jy sigma=0.668174 ! Fit after self-cal, rms=0.037579Jy sigma=0.667770 wmodel J1842+6809_C_map.mod ! Writing 125 model components to file: J1842+6809_C_map.mod wobs J1842+6809_C_uvs.fits ! Writing UV FITS file: J1842+6809_C_uvs.fits wwins J1842+6809_C_map.win ! wwins: Wrote 6 windows to J1842+6809_C_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 = -0.000429062 Jy ! Component: 100 - total flux cleaned = -0.000785982 Jy ! Component: 150 - total flux cleaned = -0.000929762 Jy ! Component: 200 - total flux cleaned = -0.00115845 Jy ! Component: 250 - total flux cleaned = -0.00133441 Jy ! Component: 300 - total flux cleaned = -0.00141913 Jy ! Component: 350 - total flux cleaned = -0.00152178 Jy ! Component: 400 - total flux cleaned = -0.00160102 Jy ! Component: 450 - total flux cleaned = -0.00164005 Jy ! Component: 500 - total flux cleaned = -0.00167808 Jy ! Component: 550 - total flux cleaned = -0.00171551 Jy ! Component: 600 - total flux cleaned = -0.00175261 Jy ! Component: 650 - total flux cleaned = -0.00180629 Jy ! Component: 700 - total flux cleaned = -0.00178823 Jy ! Component: 750 - total flux cleaned = -0.00180524 Jy ! Component: 800 - total flux cleaned = -0.00178787 Jy ! Component: 850 - total flux cleaned = -0.00175518 Jy ! Component: 900 - total flux cleaned = -0.00183678 Jy ! Component: 950 - total flux cleaned = -0.00183657 Jy ! Component: 1000 - total flux cleaned = -0.00186839 Jy ! Component: 1050 - total flux cleaned = -0.00188402 Jy ! Component: 1100 - total flux cleaned = -0.00194528 Jy ! Component: 1150 - total flux cleaned = -0.00197534 Jy ! Component: 1200 - total flux cleaned = -0.00203469 Jy ! Component: 1250 - total flux cleaned = -0.00206377 Jy ! Component: 1300 - total flux cleaned = -0.00207804 Jy ! Component: 1350 - total flux cleaned = -0.00216383 Jy ! Component: 1400 - total flux cleaned = -0.00214985 Jy ! Component: 1450 - total flux cleaned = -0.00219194 Jy ! Component: 1500 - total flux cleaned = -0.00224703 Jy ! Component: 1550 - total flux cleaned = -0.00226081 Jy ! Component: 1600 - total flux cleaned = -0.00228744 Jy ! Component: 1650 - total flux cleaned = -0.00232705 Jy ! Component: 1700 - total flux cleaned = -0.00239193 Jy ! Component: 1750 - total flux cleaned = -0.00240478 Jy ! Component: 1800 - total flux cleaned = -0.00244268 Jy ! Component: 1850 - total flux cleaned = -0.00251818 Jy ! Component: 1900 - total flux cleaned = -0.00254271 Jy ! Component: 1950 - total flux cleaned = -0.00257963 Jy ! Component: 2000 - total flux cleaned = -0.0025796 Jy ! Component: 2050 - total flux cleaned = -0.00260375 Jy ! Component: 2100 - total flux cleaned = -0.002568 Jy ! Component: 2150 - total flux cleaned = -0.00260348 Jy ! Component: 2200 - total flux cleaned = -0.00260353 Jy ! Component: 2250 - total flux cleaned = -0.00260362 Jy ! Component: 2300 - total flux cleaned = -0.00259225 Jy ! Component: 2350 - total flux cleaned = -0.00259228 Jy ! Component: 2400 - total flux cleaned = -0.00254727 Jy ! Component: 2450 - total flux cleaned = -0.00252517 Jy ! Component: 2500 - total flux cleaned = -0.00252527 Jy ! Component: 2550 - total flux cleaned = -0.00255814 Jy ! Component: 2600 - total flux cleaned = -0.00250423 Jy ! Component: 2650 - total flux cleaned = -0.00248282 Jy ! Component: 2700 - total flux cleaned = -0.00250408 Jy ! Component: 2750 - total flux cleaned = -0.00247261 Jy ! Component: 2800 - total flux cleaned = -0.00244131 Jy ! Component: 2850 - total flux cleaned = -0.0024618 Jy ! Component: 2900 - total flux cleaned = -0.00239029 Jy ! Component: 2950 - total flux cleaned = -0.00240043 Jy ! Component: 3000 - total flux cleaned = -0.0023804 Jy ! Component: 3050 - total flux cleaned = -0.00237051 Jy ! Component: 3100 - total flux cleaned = -0.00236044 Jy ! Component: 3150 - total flux cleaned = -0.00232154 Jy ! Component: 3200 - total flux cleaned = -0.00233122 Jy ! Component: 3250 - total flux cleaned = -0.00235992 Jy ! Component: 3300 - total flux cleaned = -0.00233148 Jy ! Component: 3350 - total flux cleaned = -0.00236907 Jy ! Component: 3400 - total flux cleaned = -0.00237823 Jy ! Component: 3450 - total flux cleaned = -0.00237821 Jy ! Component: 3500 - total flux cleaned = -0.00237807 Jy ! Component: 3550 - total flux cleaned = -0.00237805 Jy ! Component: 3600 - total flux cleaned = -0.00239628 Jy ! Component: 3650 - total flux cleaned = -0.00238726 Jy ! Component: 3700 - total flux cleaned = -0.00238736 Jy ! Component: 3750 - total flux cleaned = -0.00240496 Jy ! Component: 3800 - total flux cleaned = -0.00238735 Jy ! Component: 3850 - total flux cleaned = -0.00237856 Jy ! Component: 3900 - total flux cleaned = -0.00238722 Jy ! Component: 3950 - total flux cleaned = -0.00236998 Jy ! Component: 4000 - total flux cleaned = -0.00241249 Jy ! Component: 4050 - total flux cleaned = -0.00238706 Jy ! Total flux subtracted in 4096 components = -0.00237024 Jy ! Clean residual min=-0.000469 max=0.000448 Jy/beam ! Clean residual mean=0.000007 rms=0.000168 Jy/beam ! Combined flux in latest and established models = 0.430434 Jy keep ! Adding 352 model components to the UV plane model. ! The established model now contains 476 components and 0.430434 Jy ![Exited script file: /opt64/bin/pima_mupet_02.dfm] wmap /vlbi/vcs9/uvm//J1842+6809_C_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.069 x 6.411 at -84.56 degrees (North through East) ! Clean map min=-0.001739 max=0.39404 Jy/beam ! Writing clean map to FITS file: /vlbi/vcs9/uvm//J1842+6809_C_a_map.fits wmodel /vlbi/vcs9/uvm//J1842+6809_C_a_map.mod ! Writing 476 model components to file: /vlbi/vcs9/uvm//J1842+6809_C_a_map.mod wobs /vlbi/vcs9/uvm//J1842+6809_C_a_uvs.fits ! Writing UV FITS file: /vlbi/vcs9/uvm//J1842+6809_C_a_uvs.fits wwins /vlbi/vcs9/uvm//J1842+6809_C_a_map.win ! wwins: Wrote 7 windows to /vlbi/vcs9/uvm//J1842+6809_C_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.394038 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000164038 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.12489 0.12489 0.249781 0.499561 0.999122 1.99824 3.99649 7.99298 15.986 31.9719 63.9438 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.394 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2402.11 quit ! Quitting program ! Log file /vlbi/vcs9/uvm//J1842+6809_C_a_dfm.log closed on Tue Dec 26 22:50:34 2017