! Started logfile: /vlbi/sb072/temp_maps//J0042+5425_C_dfm.log on Sat Jan 12 21:44:39 2019 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/sb072/temp_maps//J0042+5425_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J0042+5425_C_uvm.fits ! AN table 1: 6 integrations on 36 of 36 possible baselines. ! AN table 2: 6 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0042+5425 ! ! 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 3456 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_01.dfm J0042+5425_C] 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 0.300x0.300 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 6 telescope corrections were flagged in sub-array 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=1.000536Jy sigma=46.334944 ! Fit after self-cal, rms=0.964829Jy sigma=44.678886 ! 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=1.512 mas, bmaj=2.671 mas, bpa=-34.73 degrees ! Estimated noise=0.498162 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 = 0.02811 Jy ! Component: 100 - total flux cleaned = 0.0344471 Jy ! Total flux subtracted in 100 components = 0.0344471 Jy ! Clean residual min=-0.002028 max=0.002374 Jy/beam ! Clean residual mean=-0.000007 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.0344471 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0344471 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=0.037403Jy sigma=0.897869 ! Fit after self-cal, rms=0.035660Jy sigma=0.810242 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00276369 Jy ! Component: 100 - total flux cleaned = 0.00292702 Jy ! Total flux subtracted in 100 components = 0.00292702 Jy ! Clean residual min=-0.001828 max=0.001795 Jy/beam ! Clean residual mean=-0.000005 rms=0.000405 Jy/beam ! Combined flux in latest and established models = 0.0373741 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 17 components and 0.0373741 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=0.035447Jy sigma=0.796149 ! Fit after self-cal, rms=0.035435Jy sigma=0.796017 ! 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=2.169 mas, bmaj=3.3 mas, bpa=-34.81 degrees ! Estimated noise=0.315721 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 = 0.000894418 Jy ! Component: 100 - total flux cleaned = 0.000993764 Jy ! Component: 150 - total flux cleaned = 0.000993944 Jy ! Component: 200 - total flux cleaned = 0.00102155 Jy ! Total flux subtracted in 200 components = 0.00102155 Jy ! Clean residual min=-0.001302 max=0.001239 Jy/beam ! Clean residual mean=-0.000010 rms=0.000315 Jy/beam ! Combined flux in latest and established models = 0.0383957 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 23 components and 0.0383957 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=0.035411Jy sigma=0.794498 ! Fit after self-cal, rms=0.035409Jy sigma=0.794440 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.169 x 3.3 at -34.81 degrees (North through East) ! Clean map min=-0.0012446 max=0.037389 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.19 HN 0.99 KP 0.95 ! LA 1.00 NL 1.05 OV 0.90 PT 1.18 ! SC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.15 FD 0.89 HN 0.92 KP 0.94 ! LA 0.96 MK 0.96 OV 0.97 PT 0.92 ! SC 1.08 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.28 FD 1.07 HN 1.10 KP 1.04 ! LA 1.04 NL 0.99 OV 0.89 PT 0.83 ! SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 0.98 HN 0.89 KP 0.93 ! LA 1.02 MK 1.00 OV 0.99 PT 0.99 ! SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.02 HN 1.03 KP 0.98 ! LA 1.17 NL 0.96 OV 1.13 PT 1.02 ! SC 0.81 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.07 HN 1.07 KP 0.91 ! LA 1.02 MK 0.95 OV 0.91 PT 0.89 ! SC 1.07 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 0.96 KP 1.18 ! LA 0.99 NL 0.98 OV 1.09 PT 1.07 ! SC 1.15 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.12 FD 0.95 HN 1.06 KP 0.98 ! LA 0.98 MK 1.02 OV 1.09 PT 0.88 ! SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.05 HN 1.06 KP 1.06 ! LA 1.00 NL 0.94 OV 1.05 PT 0.95 ! SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.11 FD 1.01 HN 0.96 KP 0.89 ! LA 0.99 MK 1.05 OV 0.97 PT 0.84 ! SC 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.03 HN 1.05 KP 1.01 ! LA 0.91 NL 0.99 OV 0.98 PT 1.01 ! SC 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.91 HN 0.93 KP 0.92 ! LA 1.01 MK 0.97 OV 0.97 PT 0.95 ! SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.05 HN 1.01 KP 1.08 ! LA 1.03 NL 1.03 OV 1.08 PT 1.07 ! SC 0.92 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 0.87 HN 0.94 KP 0.97 ! LA 1.00 MK 1.12 OV 0.99 PT 0.92 ! SC 1.05 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 1.05 KP 1.04 ! LA 1.06 NL 1.02 OV 0.99 PT 1.06 ! SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.93 HN 0.99 KP 0.94 ! LA 1.00 MK 0.96 OV 1.09 PT 0.97 ! SC 1.00 ! ! ! Fit before self-cal, rms=0.035409Jy sigma=0.794440 ! Fit after self-cal, rms=0.035471Jy sigma=0.770976 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.152 mas, bmaj=3.316 mas, bpa=-35.13 degrees ! Estimated noise=0.316838 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 = 0.000182922 Jy ! Component: 100 - total flux cleaned = 0.000171615 Jy ! Component: 150 - total flux cleaned = 0.000161895 Jy ! Component: 200 - total flux cleaned = 0.000162019 Jy ! Total flux subtracted in 200 components = 0.000162019 Jy ! Clean residual min=-0.001216 max=0.001059 Jy/beam ! Clean residual mean=-0.000010 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.0385577 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 32 components and 0.0385577 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=0.035457Jy sigma=0.770818 ! Fit after self-cal, rms=0.035443Jy sigma=0.770558 ! 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035443Jy sigma=0.770558 ! Fit after self-cal, rms=0.035722Jy sigma=0.770486 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.148 mas, bmaj=3.324 mas, bpa=-35.05 degrees ! Estimated noise=0.318045 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000141566 Jy ! Component: 100 - total flux cleaned = 0.000160764 Jy ! Component: 150 - total flux cleaned = 0.000152687 Jy ! Component: 200 - total flux cleaned = 0.00014564 Jy ! Total flux subtracted in 200 components = 0.00014564 Jy ! Clean residual min=-0.001219 max=0.001071 Jy/beam ! Clean residual mean=-0.000010 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.0387033 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 35 components and 0.0387033 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=0.035713Jy sigma=0.770455 ! Fit after self-cal, rms=0.035717Jy sigma=0.770413 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 = 7.97632e-06 Jy ! Component: 100 - total flux cleaned = 7.9122e-06 Jy ! Component: 150 - total flux cleaned = 2.19577e-06 Jy ! Component: 200 - total flux cleaned = 2.23283e-06 Jy ! Total flux subtracted in 200 components = 2.23283e-06 Jy ! Clean residual min=-0.001217 max=0.001074 Jy/beam ! Clean residual mean=-0.000010 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.0387056 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.0387056 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=0.035712Jy sigma=0.770416 ! Fit after self-cal, rms=0.035715Jy sigma=0.770394 ! 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.035715Jy sigma=0.770394 ! Fit after self-cal, rms=0.036115Jy sigma=0.769514 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.146 mas, bmaj=3.331 mas, bpa=-34.94 degrees ! Estimated noise=0.320443 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000208842 Jy ! Component: 100 - total flux cleaned = 0.000224112 Jy ! Component: 150 - total flux cleaned = 0.000223924 Jy ! Component: 200 - total flux cleaned = 0.000223804 Jy ! Total flux subtracted in 200 components = 0.000223804 Jy ! Clean residual min=-0.001233 max=0.001083 Jy/beam ! Clean residual mean=-0.000009 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.0389294 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 42 components and 0.0389294 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=0.036108Jy sigma=0.769541 ! Fit after self-cal, rms=0.036110Jy sigma=0.769519 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 = -1.1691e-05 Jy ! Component: 100 - total flux cleaned = -6.48921e-06 Jy ! Component: 150 - total flux cleaned = -6.59958e-06 Jy ! Component: 200 - total flux cleaned = -1.09137e-05 Jy ! Total flux subtracted in 200 components = -1.09137e-05 Jy ! Clean residual min=-0.001230 max=0.001088 Jy/beam ! Clean residual mean=-0.000009 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.0389185 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 44 components and 0.0389185 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=0.036108Jy sigma=0.769520 ! Fit after self-cal, rms=0.036110Jy sigma=0.769507 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.036110Jy sigma=0.769507 ! Fit after self-cal, rms=0.036490Jy sigma=0.768774 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.8 mas, bmaj=4.872 mas, bpa=20.34 degrees ! Estimated noise=0.35492 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000279213 Jy ! Component: 100 - total flux cleaned = 0.000301159 Jy ! Component: 150 - total flux cleaned = 0.000316624 Jy ! Component: 200 - total flux cleaned = 0.000322604 Jy ! Total flux subtracted in 200 components = 0.000322604 Jy ! Clean residual min=-0.001375 max=0.001155 Jy/beam ! Clean residual mean=-0.000016 rms=0.000313 Jy/beam ! Combined flux in latest and established models = 0.0392411 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 46 components and 0.0392411 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=0.036483Jy sigma=0.768918 ! Fit after self-cal, rms=0.036486Jy sigma=0.768895 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 = 3.08639e-06 Jy ! Component: 100 - total flux cleaned = 6.25675e-06 Jy ! Component: 150 - total flux cleaned = 6.48221e-06 Jy ! Component: 200 - total flux cleaned = 6.43849e-06 Jy ! Total flux subtracted in 200 components = 6.43849e-06 Jy ! Clean residual min=-0.001372 max=0.001153 Jy/beam ! Clean residual mean=-0.000016 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.0392475 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 47 components and 0.0392475 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=0.036485Jy sigma=0.768967 ! Fit after self-cal, rms=0.036485Jy sigma=0.768956 ! 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=2.143 mas, bmaj=3.338 mas, bpa=-34.86 degrees ! Estimated noise=0.322655 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.143 x 3.338 at -34.86 degrees (North through East) ! Clean map min=-0.0012217 max=0.037879 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.497 mas, bmaj=2.699 mas, bpa=-34.78 degrees ! Estimated noise=0.50794 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0296748 Jy ! Component: 100 - total flux cleaned = 0.0362571 Jy ! Component: 150 - total flux cleaned = 0.038349 Jy ! Component: 200 - total flux cleaned = 0.0386912 Jy ! Total flux subtracted in 200 components = 0.0386912 Jy ! Clean residual min=-0.001771 max=0.001752 Jy/beam ! Clean residual mean=-0.000004 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.0386912 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0386912 Jy ! Inverting map and beam ! Estimated beam: bmin=2.143 mas, bmaj=3.338 mas, bpa=-34.86 degrees ! Estimated noise=0.322655 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 = 0.000318091 Jy ! Component: 100 - total flux cleaned = 0.00037856 Jy ! Component: 150 - total flux cleaned = 0.000378798 Jy ! Component: 200 - total flux cleaned = 0.000379163 Jy ! Total flux subtracted in 200 components = 0.000379163 Jy ! Clean residual min=-0.001257 max=0.001076 Jy/beam ! Clean residual mean=-0.000010 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.0390703 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 23 components and 0.0390703 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.8 mas, bmaj=4.872 mas, bpa=20.34 degrees ! Estimated noise=0.35492 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000113067 Jy ! Component: 100 - total flux cleaned = 0.000114229 Jy ! Component: 150 - total flux cleaned = 0.000108808 Jy ! Component: 200 - total flux cleaned = 0.000108398 Jy ! Total flux subtracted in 200 components = 0.000108398 Jy ! Clean residual min=-0.001381 max=0.001159 Jy/beam ! Clean residual mean=-0.000017 rms=0.000314 Jy/beam ! Combined flux in latest and established models = 0.0391787 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 = -3.22915e-07 Jy ! Component: 100 - total flux cleaned = -6.39528e-07 Jy ! Component: 150 - total flux cleaned = -8.39669e-07 Jy ! Component: 200 - total flux cleaned = -9.45722e-07 Jy ! Total flux subtracted in 200 components = -9.45722e-07 Jy ! Clean residual min=-0.001379 max=0.001157 Jy/beam ! Clean residual mean=-0.000017 rms=0.000314 Jy/beam ! Combined flux in latest and established models = 0.0391778 Jy ! Adding 10 model components to the UV plane model. ! The established model now contains 31 components and 0.0391778 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.143 mas, bmaj=3.338 mas, bpa=-34.86 degrees ! Estimated noise=0.322655 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.22559e-05 Jy ! Component: 100 - total flux cleaned = -8.21541e-05 Jy ! Component: 150 - total flux cleaned = -8.15294e-05 Jy ! Component: 200 - total flux cleaned = -8.10714e-05 Jy ! Total flux subtracted in 200 components = -8.10714e-05 Jy ! Clean residual min=-0.001241 max=0.001097 Jy/beam ! Clean residual mean=-0.000010 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.0390967 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 35 components and 0.0390967 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=0.036495Jy sigma=0.769315 ! Fit after self-cal, rms=0.036495Jy sigma=0.769270 wmodel J0042+5425_C_map.mod ! Writing 35 model components to file: J0042+5425_C_map.mod wobs J0042+5425_C_uvs.fits ! Writing UV FITS file: J0042+5425_C_uvs.fits wwins J0042+5425_C_map.win ! wwins: Wrote 1 windows to J0042+5425_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 = -3.85404e-05 Jy ! Component: 100 - total flux cleaned = 7.6554e-05 Jy ! Component: 150 - total flux cleaned = 0.000130593 Jy ! Component: 200 - total flux cleaned = 0.000147817 Jy ! Component: 250 - total flux cleaned = 0.000164773 Jy ! Component: 300 - total flux cleaned = 0.000229982 Jy ! Component: 350 - total flux cleaned = 0.000246035 Jy ! Component: 400 - total flux cleaned = 0.000292591 Jy ! Component: 450 - total flux cleaned = 0.000292434 Jy ! Component: 500 - total flux cleaned = 0.000307252 Jy ! Component: 550 - total flux cleaned = 0.000307189 Jy ! Component: 600 - total flux cleaned = 0.000278473 Jy ! Component: 650 - total flux cleaned = 0.000278653 Jy ! Component: 700 - total flux cleaned = 0.000264952 Jy ! Component: 750 - total flux cleaned = 0.000251585 Jy ! Component: 800 - total flux cleaned = 0.000238234 Jy ! Component: 850 - total flux cleaned = 0.000264686 Jy ! Component: 900 - total flux cleaned = 0.000238707 Jy ! Component: 950 - total flux cleaned = 0.000290247 Jy ! Component: 1000 - total flux cleaned = 0.000239465 Jy ! Component: 1050 - total flux cleaned = 0.000302323 Jy ! Component: 1100 - total flux cleaned = 0.00026499 Jy ! Component: 1150 - total flux cleaned = 0.000289585 Jy ! Component: 1200 - total flux cleaned = 0.000253117 Jy ! Component: 1250 - total flux cleaned = 0.000289343 Jy ! Component: 1300 - total flux cleaned = 0.000301359 Jy ! Component: 1350 - total flux cleaned = 0.000289579 Jy ! Component: 1400 - total flux cleaned = 0.000336268 Jy ! Component: 1450 - total flux cleaned = 0.000324813 Jy ! Component: 1500 - total flux cleaned = 0.000370708 Jy ! Component: 1550 - total flux cleaned = 0.000359321 Jy ! Component: 1600 - total flux cleaned = 0.000370645 Jy ! Component: 1650 - total flux cleaned = 0.000415276 Jy ! Component: 1700 - total flux cleaned = 0.000448524 Jy ! Component: 1750 - total flux cleaned = 0.000448594 Jy ! Component: 1800 - total flux cleaned = 0.000459492 Jy ! Component: 1850 - total flux cleaned = 0.000437987 Jy ! Component: 1900 - total flux cleaned = 0.000459454 Jy ! Component: 1950 - total flux cleaned = 0.000470124 Jy ! Component: 2000 - total flux cleaned = 0.000512466 Jy ! Component: 2050 - total flux cleaned = 0.000501889 Jy ! Component: 2100 - total flux cleaned = 0.000491376 Jy ! Component: 2150 - total flux cleaned = 0.000501639 Jy ! Component: 2200 - total flux cleaned = 0.000511917 Jy ! Component: 2250 - total flux cleaned = 0.000450569 Jy ! Component: 2300 - total flux cleaned = 0.000430297 Jy ! Component: 2350 - total flux cleaned = 0.000450573 Jy ! Component: 2400 - total flux cleaned = 0.000450606 Jy ! Component: 2450 - total flux cleaned = 0.000460583 Jy ! Component: 2500 - total flux cleaned = 0.000430849 Jy ! Component: 2550 - total flux cleaned = 0.000411131 Jy ! Component: 2600 - total flux cleaned = 0.000420976 Jy ! Component: 2650 - total flux cleaned = 0.000391824 Jy ! Component: 2700 - total flux cleaned = 0.000401526 Jy ! Component: 2750 - total flux cleaned = 0.00040146 Jy ! Component: 2800 - total flux cleaned = 0.000382357 Jy ! Component: 2850 - total flux cleaned = 0.000401323 Jy ! Component: 2900 - total flux cleaned = 0.000391776 Jy ! Component: 2950 - total flux cleaned = 0.000372991 Jy ! Component: 3000 - total flux cleaned = 0.000363585 Jy ! Component: 3050 - total flux cleaned = 0.00033579 Jy ! Component: 3100 - total flux cleaned = 0.000298872 Jy ! Component: 3150 - total flux cleaned = 0.000298916 Jy ! Component: 3200 - total flux cleaned = 0.000308048 Jy ! Component: 3250 - total flux cleaned = 0.000289839 Jy ! Component: 3300 - total flux cleaned = 0.000244671 Jy ! Component: 3350 - total flux cleaned = 0.000244759 Jy ! Component: 3400 - total flux cleaned = 0.000226858 Jy ! Component: 3450 - total flux cleaned = 0.000244652 Jy ! Component: 3500 - total flux cleaned = 0.000209211 Jy ! Component: 3550 - total flux cleaned = 0.000191608 Jy ! Component: 3600 - total flux cleaned = 0.000165321 Jy ! Component: 3650 - total flux cleaned = 0.000147766 Jy ! Component: 3700 - total flux cleaned = 0.00016518 Jy ! Component: 3750 - total flux cleaned = 0.000156565 Jy ! Component: 3800 - total flux cleaned = 0.000139355 Jy ! Component: 3850 - total flux cleaned = 0.000105019 Jy ! Component: 3900 - total flux cleaned = 0.000105051 Jy ! Component: 3950 - total flux cleaned = 0.000105062 Jy ! Component: 4000 - total flux cleaned = 8.80948e-05 Jy ! Component: 4050 - total flux cleaned = 0.00012177 Jy ! Total flux subtracted in 4096 components = 9.66585e-05 Jy ! Clean residual min=-0.000460 max=0.000509 Jy/beam ! Clean residual mean=-0.000004 rms=0.000149 Jy/beam ! Combined flux in latest and established models = 0.0391934 Jy keep ! Adding 284 model components to the UV plane model. ! The established model now contains 319 components and 0.0391934 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J0042+5425_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.143 x 3.338 at -34.86 degrees (North through East) ! Clean map min=-0.00077021 max=0.03796 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J0042+5425_C_map.fits wmodel /vlbi/sb072/temp_maps//J0042+5425_C_map.mod ! Writing 319 model components to file: /vlbi/sb072/temp_maps//J0042+5425_C_map.mod wobs /vlbi/sb072/temp_maps//J0042+5425_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J0042+5425_C_uvs.fits wwins /vlbi/sb072/temp_maps//J0042+5425_C_map.win ! wwins: Wrote 2 windows to /vlbi/sb072/temp_maps//J0042+5425_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0379604 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000147967 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.16938 1.16938 2.33876 4.67752 9.35504 18.7101 37.4201 74.8403 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.037 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 256.546 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J0042+5425_C_dfm.log closed on Sat Jan 12 21:44:43 2019