! Started logfile: /vlbi/vcs9/uvm//J0831+0429_C_a_dfm.log on Tue Dec 26 22:00:39 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//J0831+0429_C_a_uvm.fits ! Reading UV FITS file: /vlbi/vcs9/uvm//J0831+0429_C_a_uvm.fits ! AN table 1: 36 integrations on 36 of 36 possible baselines. ! AN table 2: 18 integrations on 36 of 36 possible baselines. ! AN table 3: 37 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.844017 visibilities/baseline/integration-bin. ! Found source: J0831+0429 ! ! 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 85 lines of history. ! ! Reading 22120 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 J0831+0429_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)= 0.344363 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 37 telescope corrections were flagged in sub-array 1. ! A total of 73 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 37 telescope corrections were flagged in sub-array 1. ! A total of 73 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 37 telescope corrections were flagged in sub-array 1. ! A total of 73 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 37 telescope corrections were flagged in sub-array 1. ! A total of 73 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 5. ! A total of 37 telescope corrections were flagged in sub-array 1. ! A total of 73 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 6. ! A total of 37 telescope corrections were flagged in sub-array 1. ! A total of 73 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 7. ! A total of 37 telescope corrections were flagged in sub-array 1. ! A total of 73 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 8. ! A total of 37 telescope corrections were flagged in sub-array 1. ! A total of 73 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.054847Jy sigma=32.092365 ! Fit after self-cal, rms=0.672813Jy sigma=20.153427 ! 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=1.423 mas, bmaj=4.051 mas, bpa=-9.43 degrees ! Estimated noise=0.267766 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 = 0.267375 Jy ! Component: 100 - total flux cleaned = 0.328038 Jy ! Total flux subtracted in 100 components = 0.328038 Jy ! Clean residual min=-0.012238 max=0.023895 Jy/beam ! Clean residual mean=0.000067 rms=0.003210 Jy/beam ! Combined flux in latest and established models = 0.328038 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.328038 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=0.078869Jy sigma=2.445691 ! Fit after self-cal, rms=0.078879Jy sigma=2.442391 ! Inverting map ! Added new window around map position (-1.8, -2.1). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0307905 Jy ! Component: 100 - total flux cleaned = 0.0446655 Jy ! Total flux subtracted in 100 components = 0.0446655 Jy ! Clean residual min=-0.010781 max=0.020628 Jy/beam ! Clean residual mean=0.000050 rms=0.002430 Jy/beam ! Combined flux in latest and established models = 0.372703 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 24 components and 0.372703 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=0.066402Jy sigma=2.012975 ! Fit after self-cal, rms=0.066398Jy sigma=1.994882 ! Inverting map ! Added new window around map position (2.4, 0.6). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0220633 Jy ! Component: 100 - total flux cleaned = 0.0295109 Jy ! Total flux subtracted in 100 components = 0.0295109 Jy ! Clean residual min=-0.010232 max=0.013702 Jy/beam ! Clean residual mean=0.000039 rms=0.001975 Jy/beam ! Combined flux in latest and established models = 0.402214 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 33 components and 0.402214 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=0.059011Jy sigma=1.741933 ! Fit after self-cal, rms=0.058603Jy sigma=1.732980 ! Inverting map ! Added new window around map position (-15.3, 19.2). ! clean: niter=100 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0126494 Jy ! Component: 100 - total flux cleaned = 0.0154252 Jy ! Total flux subtracted in 100 components = 0.0154252 Jy ! Clean residual min=-0.008563 max=0.009927 Jy/beam ! Clean residual mean=0.000034 rms=0.001647 Jy/beam ! Combined flux in latest and established models = 0.417639 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 44 components and 0.417639 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=0.055301Jy sigma=1.622179 ! Fit after self-cal, rms=0.055105Jy sigma=1.614264 ! 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=1.914 mas, bmaj=4.496 mas, bpa=-5.687 degrees ! Estimated noise=0.16382 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 = 0.0122889 Jy ! Component: 100 - total flux cleaned = 0.0175053 Jy ! Component: 150 - total flux cleaned = 0.0182061 Jy ! Component: 200 - total flux cleaned = 0.0183589 Jy ! Total flux subtracted in 200 components = 0.0183589 Jy ! Clean residual min=-0.007666 max=0.009636 Jy/beam ! Clean residual mean=0.000064 rms=0.002200 Jy/beam ! Combined flux in latest and established models = 0.435998 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 68 components and 0.435998 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=0.053467Jy sigma=1.549692 ! Fit after self-cal, rms=0.053280Jy sigma=1.544700 ! 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: 1.05965 ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 0.90 KP 0.98 ! LA 0.94 MK 0.89 NL 0.99 PT 0.90 ! SC 0.94 ! ! Amplitude normalization factor in sub-array 2: 0.962139 ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.08 HN 1.04 KP 1.07 ! LA 1.02 MK 1.02 NL 1.01 OV 1.07 ! PT 1.05 ! ! Amplitude normalization factor in sub-array 3: 0.946822 ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.02 HN 1.08 KP 1.14 ! LA 1.01 MK 1.08 NL 1.10 OV 1.00 ! SC 1.08 ! ! ! Correcting IF 2. ! Amplitude normalization factor in sub-array 1: 1.06392 ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.97 HN 0.90 KP 0.97 ! LA 0.93 MK 0.87 NL 0.99 PT 0.94 ! SC 0.93 ! ! Amplitude normalization factor in sub-array 2: 0.971553 ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.06 HN 1.00 KP 1.06 ! LA 1.03 MK 1.01 NL 1.00 OV 1.06 ! PT 1.04 ! ! Amplitude normalization factor in sub-array 3: 0.945349 ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.03 HN 1.05 KP 1.16 ! LA 0.98 MK 1.10 NL 1.10 OV 1.01 ! SC 1.09 ! ! ! Correcting IF 3. ! Amplitude normalization factor in sub-array 1: 1.07043 ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HN 0.90 KP 0.93 ! LA 0.92 MK 0.88 NL 0.98 PT 0.94 ! SC 0.93 ! ! Amplitude normalization factor in sub-array 2: 0.989166 ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.04 HN 0.98 KP 1.04 ! LA 1.01 MK 1.00 NL 0.99 OV 1.05 ! PT 1.01 ! ! Amplitude normalization factor in sub-array 3: 0.945389 ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.04 HN 1.09 KP 1.14 ! LA 1.03 MK 1.07 NL 1.04 OV 1.01 ! SC 1.09 ! ! ! Correcting IF 4. ! Amplitude normalization factor in sub-array 1: 1.05156 ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 0.91 KP 0.94 ! LA 0.92 MK 0.88 NL 1.02 PT 0.95 ! SC 0.96 ! ! Amplitude normalization factor in sub-array 2: 0.972231 ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.04 HN 1.03 KP 1.05 ! LA 1.02 MK 1.04 NL 1.02 OV 1.05 ! PT 1.00 ! ! Amplitude normalization factor in sub-array 3: 0.934042 ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.04 HN 1.09 KP 1.15 ! LA 1.03 MK 1.13 NL 1.10 OV 1.02 ! SC 1.09 ! ! ! Correcting IF 5. ! Amplitude normalization factor in sub-array 1: 1.06119 ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.94 HN 0.90 KP 0.94 ! LA 0.92 MK 0.88 NL 0.96 PT 0.94 ! SC 0.94 ! ! Amplitude normalization factor in sub-array 2: 0.975852 ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.04 HN 1.01 KP 1.06 ! LA 1.04 MK 1.04 NL 0.98 OV 1.03 ! PT 1.04 ! ! Amplitude normalization factor in sub-array 3: 0.933431 ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.03 HN 1.10 KP 1.15 ! LA 1.04 MK 1.10 NL 1.09 OV 0.99 ! SC 1.13 ! ! ! Correcting IF 6. ! Amplitude normalization factor in sub-array 1: 1.07209 ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.94 HN 0.90 KP 0.93 ! LA 0.92 MK 0.88 NL 0.95 PT 0.94 ! SC 0.95 ! ! Amplitude normalization factor in sub-array 2: 0.966033 ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.04 HN 1.02 KP 1.07 ! LA 1.05 MK 1.05 NL 0.98 OV 1.02 ! PT 1.05 ! ! Amplitude normalization factor in sub-array 3: 0.933934 ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.03 HN 1.09 KP 1.17 ! LA 1.04 MK 1.12 NL 1.09 OV 0.98 ! SC 1.11 ! ! ! Correcting IF 7. ! Amplitude normalization factor in sub-array 1: 1.07594 ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.95 HN 0.90 KP 0.93 ! LA 0.92 MK 0.87 NL 0.95 PT 0.94 ! SC 0.95 ! ! Amplitude normalization factor in sub-array 2: 0.965988 ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.05 HN 1.02 KP 1.07 ! LA 1.04 MK 1.04 NL 0.99 OV 1.02 ! PT 1.05 ! ! Amplitude normalization factor in sub-array 3: 0.935737 ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.02 HN 1.10 KP 1.15 ! LA 1.05 MK 1.12 NL 1.10 OV 0.98 ! SC 1.10 ! ! ! Correcting IF 8. ! Amplitude normalization factor in sub-array 1: 1.07897 ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.95 HN 0.89 KP 0.92 ! LA 0.93 MK 0.86 NL 0.94 PT 0.94 ! SC 0.95 ! ! Amplitude normalization factor in sub-array 2: 0.963451 ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.06 HN 1.04 KP 1.07 ! LA 1.05 MK 1.05 NL 0.97 OV 1.02 ! PT 1.05 ! ! Amplitude normalization factor in sub-array 3: 0.934423 ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.03 HN 1.09 KP 1.16 ! LA 1.04 MK 1.13 NL 1.10 OV 0.98 ! SC 1.10 ! ! ! Fit before self-cal, rms=0.053280Jy sigma=1.544700 ! Fit after self-cal, rms=0.052208Jy sigma=1.548931 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=0.052208Jy sigma=1.548931 ! Fit after self-cal, rms=0.052212Jy sigma=1.548918 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.907 mas, bmaj=4.551 mas, bpa=-6.283 degrees ! Estimated noise=0.164046 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 = 0.00382539 Jy ! Component: 100 - total flux cleaned = 0.00384257 Jy ! Component: 150 - total flux cleaned = 0.00402515 Jy ! Component: 200 - total flux cleaned = 0.00402835 Jy ! Total flux subtracted in 200 components = 0.00402835 Jy ! Clean residual min=-0.007235 max=0.008419 Jy/beam ! Clean residual mean=0.000053 rms=0.001998 Jy/beam ! Combined flux in latest and established models = 0.440026 Jy ! Performing phase self-cal over 10 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 95 components and 0.440026 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=0.051254Jy sigma=1.514347 ! Fit after self-cal, rms=0.051138Jy sigma=1.511961 ! 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=0.051138Jy sigma=1.511961 ! Fit after self-cal, rms=0.051064Jy sigma=1.510280 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 = 0.000455374 Jy ! Component: 100 - total flux cleaned = 0.000450154 Jy ! Component: 150 - total flux cleaned = 0.000227209 Jy ! Component: 200 - total flux cleaned = 0.000133088 Jy ! Total flux subtracted in 200 components = 0.000133088 Jy ! Clean residual min=-0.006979 max=0.008230 Jy/beam ! Clean residual mean=0.000053 rms=0.001951 Jy/beam ! Combined flux in latest and established models = 0.44016 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 34 model components to the UV plane model. ! The established model now contains 109 components and 0.44016 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=0.050706Jy sigma=1.498635 ! Fit after self-cal, rms=0.050660Jy sigma=1.497734 ! 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: 1.907 x 4.551 at -6.283 degrees (North through East) ! Clean map min=-0.0067469 max=0.31549 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=0.050660Jy sigma=1.497734 ! Fit after self-cal, rms=0.034567Jy sigma=0.942925 ! 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=0.034567Jy sigma=0.942925 ! Fit after self-cal, rms=0.034564Jy sigma=0.942877 ! Inverting map and beam ! Estimated beam: bmin=1.911 mas, bmaj=4.514 mas, bpa=-5.959 degrees ! Estimated noise=0.163519 mJy/beam. ! Added new window around map position (6.9, 3.3). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00542487 Jy ! Component: 100 - total flux cleaned = 0.00663171 Jy ! Component: 150 - total flux cleaned = 0.00752935 Jy ! Component: 200 - total flux cleaned = 0.00827892 Jy ! Total flux subtracted in 200 components = 0.00827892 Jy ! Clean residual min=-0.004025 max=0.005355 Jy/beam ! Clean residual mean=0.000000 rms=0.001026 Jy/beam ! Combined flux in latest and established models = 0.448439 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 145 components and 0.448438 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=0.032177Jy sigma=0.862657 ! Fit after self-cal, rms=0.031930Jy sigma=0.854378 ! Inverting map ! Added new window around map position (13.5, 6.9). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.00444105 Jy ! Component: 100 - total flux cleaned = 0.00551783 Jy ! Component: 150 - total flux cleaned = 0.00641757 Jy ! Component: 200 - total flux cleaned = 0.0070891 Jy ! Total flux subtracted in 200 components = 0.0070891 Jy ! Clean residual min=-0.003443 max=0.003252 Jy/beam ! Clean residual mean=-0.000003 rms=0.000793 Jy/beam ! Combined flux in latest and established models = 0.455528 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 47 model components to the UV plane model. ! The established model now contains 173 components and 0.455528 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=0.030860Jy sigma=0.817470 ! Fit after self-cal, rms=0.030795Jy sigma=0.815655 ! Inverting map ! Added new window around map position (19.2, 6.6). ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0026472 Jy ! Component: 100 - total flux cleaned = 0.00365889 Jy ! Component: 150 - total flux cleaned = 0.00436841 Jy ! Component: 200 - total flux cleaned = 0.00500643 Jy ! Total flux subtracted in 200 components = 0.00500643 Jy ! Clean residual min=-0.002887 max=0.002723 Jy/beam ! Clean residual mean=-0.000004 rms=0.000667 Jy/beam ! Combined flux in latest and established models = 0.460534 Jy ! Performing phase self-cal over 0.5 minute time intervals ! Adding 54 model components to the UV plane model. ! The established model now contains 204 components and 0.460534 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=0.030344Jy sigma=0.798646 ! Fit after self-cal, rms=0.030317Jy sigma=0.797743 ! 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=1.421 mas, bmaj=4.036 mas, bpa=-9.452 degrees ! Estimated noise=0.270478 mJy/beam. ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.270654 Jy ! Component: 100 - total flux cleaned = 0.334341 Jy ! Component: 150 - total flux cleaned = 0.370288 Jy ! Component: 200 - total flux cleaned = 0.393383 Jy ! Total flux subtracted in 200 components = 0.393383 Jy ! Clean residual min=-0.007005 max=0.009462 Jy/beam ! Clean residual mean=0.000020 rms=0.001791 Jy/beam ! Combined flux in latest and established models = 0.393383 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.393383 Jy ! Inverting map and beam ! Estimated beam: bmin=1.911 mas, bmaj=4.514 mas, bpa=-5.959 degrees ! Estimated noise=0.163519 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 = 0.0240044 Jy ! Component: 100 - total flux cleaned = 0.0385599 Jy ! Component: 150 - total flux cleaned = 0.0468955 Jy ! Component: 200 - total flux cleaned = 0.0526333 Jy ! Total flux subtracted in 200 components = 0.0526333 Jy ! Clean residual min=-0.004525 max=0.004467 Jy/beam ! Clean residual mean=0.000006 rms=0.001258 Jy/beam ! Combined flux in latest and established models = 0.446016 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 86 components and 0.446016 Jy ! Inverting map clean ! clean: niter=200 gain=0.04 cutoff=0 ! Component: 050 - total flux cleaned = 0.0043616 Jy ! Component: 100 - total flux cleaned = 0.00735097 Jy ! Component: 150 - total flux cleaned = 0.00973181 Jy ! Component: 200 - total flux cleaned = 0.0116404 Jy ! Total flux subtracted in 200 components = 0.0116404 Jy ! Clean residual min=-0.003496 max=0.003062 Jy/beam ! Clean residual mean=-0.000002 rms=0.000886 Jy/beam ! Combined flux in latest and established models = 0.457657 Jy selfcal false, false, phase_soltime ! Performing phase self-cal over 0.5 minute time intervals ! Adding 52 model components to the UV plane model. ! The established model now contains 123 components and 0.457657 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=0.031271Jy sigma=0.829905 ! Fit after self-cal, rms=0.031091Jy sigma=0.824514 wmodel J0831+0429_C_map.mod ! Writing 123 model components to file: J0831+0429_C_map.mod wobs J0831+0429_C_uvs.fits ! Writing UV FITS file: J0831+0429_C_uvs.fits wwins J0831+0429_C_map.win ! wwins: Wrote 7 windows to J0831+0429_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 = -0.000304567 Jy ! Component: 100 - total flux cleaned = -0.00030661 Jy ! Component: 150 - total flux cleaned = 5.55757e-06 Jy ! Component: 200 - total flux cleaned = 0.000251382 Jy ! Component: 250 - total flux cleaned = 0.000676419 Jy ! Component: 300 - total flux cleaned = 0.000947886 Jy ! Component: 350 - total flux cleaned = 0.00112063 Jy ! Component: 400 - total flux cleaned = 0.00137276 Jy ! Component: 450 - total flux cleaned = 0.00153495 Jy ! Component: 500 - total flux cleaned = 0.00169309 Jy ! Component: 550 - total flux cleaned = 0.00177028 Jy ! Component: 600 - total flux cleaned = 0.00184464 Jy ! Component: 650 - total flux cleaned = 0.00187972 Jy ! Component: 700 - total flux cleaned = 0.00191395 Jy ! Component: 750 - total flux cleaned = 0.00188011 Jy ! Component: 800 - total flux cleaned = 0.00191393 Jy ! Component: 850 - total flux cleaned = 0.00184852 Jy ! Component: 900 - total flux cleaned = 0.00188138 Jy ! Component: 950 - total flux cleaned = 0.00178745 Jy ! Component: 1000 - total flux cleaned = 0.00184986 Jy ! Component: 1050 - total flux cleaned = 0.00185007 Jy ! Component: 1100 - total flux cleaned = 0.00179066 Jy ! Component: 1150 - total flux cleaned = 0.00179037 Jy ! Component: 1200 - total flux cleaned = 0.00179091 Jy ! Component: 1250 - total flux cleaned = 0.00181948 Jy ! Component: 1300 - total flux cleaned = 0.00184674 Jy ! Component: 1350 - total flux cleaned = 0.00184622 Jy ! Component: 1400 - total flux cleaned = 0.00176545 Jy ! Component: 1450 - total flux cleaned = 0.0018718 Jy ! Component: 1500 - total flux cleaned = 0.00187172 Jy ! Component: 1550 - total flux cleaned = 0.0018972 Jy ! Component: 1600 - total flux cleaned = 0.00179573 Jy ! Component: 1650 - total flux cleaned = 0.00197176 Jy ! Component: 1700 - total flux cleaned = 0.0020211 Jy ! Component: 1750 - total flux cleaned = 0.00202143 Jy ! Component: 1800 - total flux cleaned = 0.00206927 Jy ! Component: 1850 - total flux cleaned = 0.00206935 Jy ! Component: 1900 - total flux cleaned = 0.0020464 Jy ! Component: 1950 - total flux cleaned = 0.00213978 Jy ! Component: 2000 - total flux cleaned = 0.00213944 Jy ! Component: 2050 - total flux cleaned = 0.00216227 Jy ! Component: 2100 - total flux cleaned = 0.00220744 Jy ! Component: 2150 - total flux cleaned = 0.00216317 Jy ! Component: 2200 - total flux cleaned = 0.0021854 Jy ! Component: 2250 - total flux cleaned = 0.00225046 Jy ! Component: 2300 - total flux cleaned = 0.00227167 Jy ! Component: 2350 - total flux cleaned = 0.00220776 Jy ! Component: 2400 - total flux cleaned = 0.00220776 Jy ! Component: 2450 - total flux cleaned = 0.00224952 Jy ! Component: 2500 - total flux cleaned = 0.00226973 Jy ! Component: 2550 - total flux cleaned = 0.00233097 Jy ! Component: 2600 - total flux cleaned = 0.00226981 Jy ! Component: 2650 - total flux cleaned = 0.00220949 Jy ! Component: 2700 - total flux cleaned = 0.00224922 Jy ! Component: 2750 - total flux cleaned = 0.00217037 Jy ! Component: 2800 - total flux cleaned = 0.00213178 Jy ! Component: 2850 - total flux cleaned = 0.00217067 Jy ! Component: 2900 - total flux cleaned = 0.00217047 Jy ! Component: 2950 - total flux cleaned = 0.00211325 Jy ! Component: 3000 - total flux cleaned = 0.00209454 Jy ! Component: 3050 - total flux cleaned = 0.00211321 Jy ! Component: 3100 - total flux cleaned = 0.00209492 Jy ! Component: 3150 - total flux cleaned = 0.00207655 Jy ! Component: 3200 - total flux cleaned = 0.0020765 Jy ! Component: 3250 - total flux cleaned = 0.00205828 Jy ! Component: 3300 - total flux cleaned = 0.00209397 Jy ! Component: 3350 - total flux cleaned = 0.00209391 Jy ! Component: 3400 - total flux cleaned = 0.00209411 Jy ! Component: 3450 - total flux cleaned = 0.00209411 Jy ! Component: 3500 - total flux cleaned = 0.00205982 Jy ! Component: 3550 - total flux cleaned = 0.00211136 Jy ! Component: 3600 - total flux cleaned = 0.00216224 Jy ! Component: 3650 - total flux cleaned = 0.0021116 Jy ! Component: 3700 - total flux cleaned = 0.0021284 Jy ! Component: 3750 - total flux cleaned = 0.00212827 Jy ! Component: 3800 - total flux cleaned = 0.00216109 Jy ! Component: 3850 - total flux cleaned = 0.00222633 Jy ! Component: 3900 - total flux cleaned = 0.00220988 Jy ! Component: 3950 - total flux cleaned = 0.00225804 Jy ! Component: 4000 - total flux cleaned = 0.00230559 Jy ! Component: 4050 - total flux cleaned = 0.00224263 Jy ! Total flux subtracted in 4096 components = 0.00232116 Jy ! Clean residual min=-0.000781 max=0.000908 Jy/beam ! Clean residual mean=-0.000001 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.459978 Jy keep ! Adding 334 model components to the UV plane model. ! The established model now contains 457 components and 0.459978 Jy ![Exited script file: /opt64/bin/pima_mupet_02.dfm] wmap /vlbi/vcs9/uvm//J0831+0429_C_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.911 x 4.514 at -5.959 degrees (North through East) ! Clean map min=-0.0033696 max=0.31981 Jy/beam ! Writing clean map to FITS file: /vlbi/vcs9/uvm//J0831+0429_C_a_map.fits wmodel /vlbi/vcs9/uvm//J0831+0429_C_a_map.mod ! Writing 457 model components to file: /vlbi/vcs9/uvm//J0831+0429_C_a_map.mod wobs /vlbi/vcs9/uvm//J0831+0429_C_a_uvs.fits ! Writing UV FITS file: /vlbi/vcs9/uvm//J0831+0429_C_a_uvs.fits wwins /vlbi/vcs9/uvm//J0831+0429_C_a_map.win ! wwins: Wrote 8 windows to /vlbi/vcs9/uvm//J0831+0429_C_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.319806 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000286292 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.268561 0.268561 0.537122 1.07424 2.14849 4.29697 8.59395 17.1879 34.3758 68.7516 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.319 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1117.06 quit ! Quitting program ! Log file /vlbi/vcs9/uvm//J0831+0429_C_a_dfm.log closed on Tue Dec 26 22:00:44 2017