! Started logfile: /vlbi/bs262/maps//J0827+5217_C_20180503_dfm.log on Mon Jun 4 23:26:54 2018 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/bs262/maps//J0827+5217_C_20180503_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0827+5217_C_20180503_uva.fits ! AN table 1: 21 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.990476 visibilities/baseline/integration-bin. ! Found source: J0827+5217 ! ! 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 3 lines of history. ! ! Reading 7488 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 J0827+5217_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 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.032587Jy sigma=26.045750 ! Fit after self-cal, rms=0.824107Jy sigma=20.902181 ! 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=1.206 mas, bmaj=4.477 mas, bpa=5.07 degrees ! Estimated noise=0.527035 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 = 0.125146 Jy ! Component: 100 - total flux cleaned = 0.161651 Jy ! Total flux subtracted in 100 components = 0.161651 Jy ! Clean residual min=-0.005959 max=0.016687 Jy/beam ! Clean residual mean=0.000005 rms=0.001660 Jy/beam ! Combined flux in latest and established models = 0.161652 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.161652 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=0.063139Jy sigma=1.340144 ! Fit after self-cal, rms=0.063065Jy sigma=1.338395 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0186205 Jy ! Component: 100 - total flux cleaned = 0.0285302 Jy ! Total flux subtracted in 100 components = 0.0285302 Jy ! Clean residual min=-0.003978 max=0.006494 Jy/beam ! Clean residual mean=0.000002 rms=0.001013 Jy/beam ! Combined flux in latest and established models = 0.190182 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 10 components and 0.190182 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=0.054529Jy sigma=1.131641 ! Fit after self-cal, rms=0.054494Jy sigma=1.130908 ! Inverting map ! Added new window around map position (8.4, -14.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00654987 Jy ! Component: 100 - total flux cleaned = 0.010745 Jy ! Total flux subtracted in 100 components = 0.010745 Jy ! Clean residual min=-0.003526 max=0.004929 Jy/beam ! Clean residual mean=0.000001 rms=0.000880 Jy/beam ! Combined flux in latest and established models = 0.200927 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 35 components and 0.200927 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=0.052929Jy sigma=1.102203 ! Fit after self-cal, rms=0.052901Jy sigma=1.101167 ! 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=1.577 mas, bmaj=4.755 mas, bpa=4.58 degrees ! Estimated noise=0.334005 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 (-8.1, 14.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00693364 Jy ! Component: 100 - total flux cleaned = 0.0111456 Jy ! Component: 150 - total flux cleaned = 0.0142677 Jy ! Component: 200 - total flux cleaned = 0.0166577 Jy ! Total flux subtracted in 200 components = 0.0166577 Jy ! Clean residual min=-0.003357 max=0.003626 Jy/beam ! Clean residual mean=0.000001 rms=0.000849 Jy/beam ! Combined flux in latest and established models = 0.217584 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 73 components and 0.217584 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=0.051447Jy sigma=1.079516 ! Fit after self-cal, rms=0.051433Jy sigma=1.079150 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.577 x 4.755 at 4.58 degrees (North through East) ! Clean map min=-0.0031442 max=0.17066 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.07 HN 0.98 KP 0.96 ! LA 1.04 MK 1.05 NL 0.98 OV 1.02 ! PT 0.90 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.12 HN 0.96 KP 0.98 ! LA 1.03 MK 0.95 NL 0.98 OV 0.87 ! PT 1.26 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 0.97 KP 0.99 ! LA 1.02 MK 0.88 NL 1.06 OV 0.90 ! PT 0.49 SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 1.29 KP 0.95 ! LA 1.02 MK 1.04 NL 0.94 OV 0.99 ! PT 1.14 SC 1.07 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.92 HN 0.98 KP 1.00 ! LA 1.02 MK 1.06 NL 1.13 OV 1.02 ! PT 1.08 SC 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.15 HN 1.02 KP 0.99 ! LA 1.12 MK 1.03 NL 1.05 OV 0.97 ! PT 1.04 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 0.97 KP 1.04 ! LA 0.91 MK 0.97 NL 1.01 OV 0.99 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.01 HN 0.98 KP 0.95 ! LA 0.98 MK 1.00 NL 0.97 OV 1.00 ! PT 1.04 SC 0.98 ! ! ! Fit before self-cal, rms=0.051433Jy sigma=1.079150 ! Fit after self-cal, rms=0.034848Jy sigma=0.743268 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.579 mas, bmaj=4.776 mas, bpa=4.593 degrees ! Estimated noise=0.332999 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 = -0.000604153 Jy ! Component: 100 - total flux cleaned = -0.000559489 Jy ! Component: 150 - total flux cleaned = -0.000412964 Jy ! Component: 200 - total flux cleaned = -0.000322238 Jy ! Total flux subtracted in 200 components = -0.000322238 Jy ! Clean residual min=-0.001839 max=0.002116 Jy/beam ! Clean residual mean=0.000000 rms=0.000475 Jy/beam ! Combined flux in latest and established models = 0.217262 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 90 components and 0.217262 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=0.034739Jy sigma=0.739821 ! Fit after self-cal, rms=0.034786Jy sigma=0.738755 ! 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=0.034786Jy sigma=0.738755 ! Fit after self-cal, rms=0.034779Jy sigma=0.738438 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.578 mas, bmaj=4.778 mas, bpa=4.62 degrees ! Estimated noise=0.332909 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000444259 Jy ! Component: 100 - total flux cleaned = -0.000569906 Jy ! Component: 150 - total flux cleaned = -0.000543885 Jy ! Component: 200 - total flux cleaned = -0.000519376 Jy ! Total flux subtracted in 200 components = -0.000519376 Jy ! Clean residual min=-0.001698 max=0.002074 Jy/beam ! Clean residual mean=0.000000 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.216743 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 104 components and 0.216743 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=0.034734Jy sigma=0.737051 ! Fit after self-cal, rms=0.034729Jy sigma=0.736979 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (35.7, -41.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00189941 Jy ! Component: 100 - total flux cleaned = 0.00253684 Jy ! Component: 150 - total flux cleaned = 0.00256686 Jy ! Component: 200 - total flux cleaned = 0.00267981 Jy ! Total flux subtracted in 200 components = 0.00267981 Jy ! Clean residual min=-0.001534 max=0.001618 Jy/beam ! Clean residual mean=0.000000 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.219423 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 131 components and 0.219423 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=0.034604Jy sigma=0.733761 ! Fit after self-cal, rms=0.034587Jy sigma=0.733493 ! 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=0.034587Jy sigma=0.733493 ! Fit after self-cal, rms=0.034549Jy sigma=0.733028 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.577 mas, bmaj=4.78 mas, bpa=4.618 degrees ! Estimated noise=0.332928 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00057592 Jy ! Component: 100 - total flux cleaned = 0.000517304 Jy ! Component: 150 - total flux cleaned = 0.000465361 Jy ! Component: 200 - total flux cleaned = 0.000464651 Jy ! Total flux subtracted in 200 components = 0.000464651 Jy ! Clean residual min=-0.001529 max=0.001385 Jy/beam ! Clean residual mean=0.000000 rms=0.000397 Jy/beam ! Combined flux in latest and established models = 0.219887 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 141 components and 0.219887 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=0.034501Jy sigma=0.731803 ! Fit after self-cal, rms=0.034495Jy sigma=0.731745 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000136046 Jy ! Component: 100 - total flux cleaned = 0.000222706 Jy ! Component: 150 - total flux cleaned = 0.00030372 Jy ! Component: 200 - total flux cleaned = 0.000342755 Jy ! Total flux subtracted in 200 components = 0.000342755 Jy ! Clean residual min=-0.001524 max=0.001328 Jy/beam ! Clean residual mean=0.000000 rms=0.000390 Jy/beam ! Combined flux in latest and established models = 0.22023 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 154 components and 0.22023 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=0.034469Jy sigma=0.731163 ! Fit after self-cal, rms=0.034467Jy sigma=0.731142 ! 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=0.034467Jy sigma=0.731142 ! Fit after self-cal, rms=0.034458Jy sigma=0.730961 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.554 mas, bmaj=5.32 mas, bpa=1.633 degrees ! Estimated noise=0.415763 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.65613e-05 Jy ! Component: 100 - total flux cleaned = -4.68434e-05 Jy ! Component: 150 - total flux cleaned = 3.84182e-05 Jy ! Component: 200 - total flux cleaned = 8.81056e-05 Jy ! Total flux subtracted in 200 components = 8.81056e-05 Jy ! Clean residual min=-0.001859 max=0.001773 Jy/beam ! Clean residual mean=0.000001 rms=0.000462 Jy/beam ! Combined flux in latest and established models = 0.220318 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 174 components and 0.220318 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=0.034444Jy sigma=0.730498 ! Fit after self-cal, rms=0.034434Jy sigma=0.730355 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 = 1.42685e-05 Jy ! Component: 100 - total flux cleaned = 6.05014e-05 Jy ! Component: 150 - total flux cleaned = 0.000124923 Jy ! Component: 200 - total flux cleaned = 0.000222546 Jy ! Total flux subtracted in 200 components = 0.000222546 Jy ! Clean residual min=-0.001766 max=0.001657 Jy/beam ! Clean residual mean=0.000000 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.220541 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 187 components and 0.220541 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=0.034437Jy sigma=0.730401 ! Fit after self-cal, rms=0.034432Jy sigma=0.730327 ! 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=1.577 mas, bmaj=4.78 mas, bpa=4.611 degrees ! Estimated noise=0.332949 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.577 x 4.78 at 4.611 degrees (North through East) ! Clean map min=-0.0013972 max=0.17064 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=1.206 mas, bmaj=4.492 mas, bpa=5.152 degrees ! Estimated noise=0.531349 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.126081 Jy ! Component: 100 - total flux cleaned = 0.163248 Jy ! Component: 150 - total flux cleaned = 0.181883 Jy ! Component: 200 - total flux cleaned = 0.191716 Jy ! Total flux subtracted in 200 components = 0.191716 Jy ! Clean residual min=-0.003122 max=0.004727 Jy/beam ! Clean residual mean=0.000002 rms=0.000794 Jy/beam ! Combined flux in latest and established models = 0.191716 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.191716 Jy ! Inverting map and beam ! Estimated beam: bmin=1.577 mas, bmaj=4.78 mas, bpa=4.611 degrees ! Estimated noise=0.332949 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 = 0.0077936 Jy ! Component: 100 - total flux cleaned = 0.0124781 Jy ! Component: 150 - total flux cleaned = 0.0159298 Jy ! Component: 200 - total flux cleaned = 0.0186342 Jy ! Total flux subtracted in 200 components = 0.0186342 Jy ! Clean residual min=-0.001929 max=0.003067 Jy/beam ! Clean residual mean=0.000002 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 0.21035 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 59 components and 0.21035 Jy ! Inverting map ! Added new window around map position (2.1, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00270386 Jy ! Component: 100 - total flux cleaned = 0.00438296 Jy ! Component: 150 - total flux cleaned = 0.00549391 Jy ! Component: 200 - total flux cleaned = 0.00625949 Jy ! Total flux subtracted in 200 components = 0.00625949 Jy ! Clean residual min=-0.001670 max=0.001576 Jy/beam ! Clean residual mean=0.000001 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.21661 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 90 components and 0.21661 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=3.554 mas, bmaj=5.32 mas, bpa=1.633 degrees ! Estimated noise=0.415763 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00148541 Jy ! Component: 100 - total flux cleaned = 0.00205674 Jy ! Component: 150 - total flux cleaned = 0.00248622 Jy ! Component: 200 - total flux cleaned = 0.00279438 Jy ! Total flux subtracted in 200 components = 0.00279438 Jy ! Clean residual min=-0.001727 max=0.001602 Jy/beam ! Clean residual mean=0.000001 rms=0.000442 Jy/beam ! Combined flux in latest and established models = 0.219404 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000243774 Jy ! Component: 100 - total flux cleaned = 0.000437869 Jy ! Component: 150 - total flux cleaned = 0.000594574 Jy ! Component: 200 - total flux cleaned = 0.000719831 Jy ! Total flux subtracted in 200 components = 0.000719831 Jy ! Clean residual min=-0.001714 max=0.001443 Jy/beam ! Clean residual mean=0.000001 rms=0.000419 Jy/beam ! Combined flux in latest and established models = 0.220124 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 138 components and 0.220124 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.577 mas, bmaj=4.78 mas, bpa=4.611 degrees ! Estimated noise=0.332949 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000268072 Jy ! Component: 100 - total flux cleaned = -0.000397152 Jy ! Component: 150 - total flux cleaned = -0.000455112 Jy ! Component: 200 - total flux cleaned = -0.000428491 Jy ! Total flux subtracted in 200 components = -0.000428491 Jy ! Clean residual min=-0.001429 max=0.001352 Jy/beam ! Clean residual mean=0.000000 rms=0.000367 Jy/beam ! Combined flux in latest and established models = 0.219696 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 168 components and 0.219696 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=0.034455Jy sigma=0.729798 ! Fit after self-cal, rms=0.034442Jy sigma=0.729480 wmodel J0827+5217_C_map.mod ! Writing 168 model components to file: J0827+5217_C_map.mod wobs J0827+5217_C_uvs.fits ! Writing UV FITS file: J0827+5217_C_uvs.fits wwins J0827+5217_C_map.win ! wwins: Wrote 5 windows to J0827+5217_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 = -0.000242871 Jy ! Component: 100 - total flux cleaned = -0.000293163 Jy ! Component: 150 - total flux cleaned = -0.000363096 Jy ! Component: 200 - total flux cleaned = -0.000363371 Jy ! Component: 250 - total flux cleaned = -0.000341947 Jy ! Component: 300 - total flux cleaned = -0.000363092 Jy ! Component: 350 - total flux cleaned = -0.000302416 Jy ! Component: 400 - total flux cleaned = -0.000322877 Jy ! Component: 450 - total flux cleaned = -0.00026382 Jy ! Component: 500 - total flux cleaned = -0.000186786 Jy ! Component: 550 - total flux cleaned = -0.000168024 Jy ! Component: 600 - total flux cleaned = -0.00014923 Jy ! Component: 650 - total flux cleaned = -0.000112278 Jy ! Component: 700 - total flux cleaned = -0.000130423 Jy ! Component: 750 - total flux cleaned = -0.000130435 Jy ! Component: 800 - total flux cleaned = -9.49297e-05 Jy ! Component: 850 - total flux cleaned = -0.00012972 Jy ! Component: 900 - total flux cleaned = -0.00011234 Jy ! Component: 950 - total flux cleaned = -4.42862e-05 Jy ! Component: 1000 - total flux cleaned = -7.82299e-05 Jy ! Component: 1050 - total flux cleaned = -7.81405e-05 Jy ! Component: 1100 - total flux cleaned = -2.90707e-05 Jy ! Component: 1150 - total flux cleaned = -2.91304e-05 Jy ! Component: 1200 - total flux cleaned = -4.51374e-05 Jy ! Component: 1250 - total flux cleaned = -4.53003e-05 Jy ! Component: 1300 - total flux cleaned = -4.55988e-05 Jy ! Component: 1350 - total flux cleaned = -0.000123608 Jy ! Component: 1400 - total flux cleaned = -0.000185284 Jy ! Component: 1450 - total flux cleaned = -0.000185389 Jy ! Component: 1500 - total flux cleaned = -0.000291371 Jy ! Component: 1550 - total flux cleaned = -0.000351124 Jy ! Component: 1600 - total flux cleaned = -0.000380796 Jy ! Component: 1650 - total flux cleaned = -0.000395708 Jy ! Component: 1700 - total flux cleaned = -0.000483563 Jy ! Component: 1750 - total flux cleaned = -0.000469155 Jy ! Component: 1800 - total flux cleaned = -0.000540774 Jy ! Component: 1850 - total flux cleaned = -0.000555047 Jy ! Component: 1900 - total flux cleaned = -0.000555007 Jy ! Component: 1950 - total flux cleaned = -0.000611062 Jy ! Component: 2000 - total flux cleaned = -0.000625166 Jy ! Component: 2050 - total flux cleaned = -0.000680363 Jy ! Component: 2100 - total flux cleaned = -0.000762512 Jy ! Component: 2150 - total flux cleaned = -0.000816568 Jy ! Component: 2200 - total flux cleaned = -0.000749281 Jy ! Component: 2250 - total flux cleaned = -0.000869471 Jy ! Component: 2300 - total flux cleaned = -0.000882745 Jy ! Component: 2350 - total flux cleaned = -0.000895712 Jy ! Component: 2400 - total flux cleaned = -0.000921851 Jy ! Component: 2450 - total flux cleaned = -0.00101247 Jy ! Component: 2500 - total flux cleaned = -0.000986653 Jy ! Component: 2550 - total flux cleaned = -0.00108888 Jy ! Component: 2600 - total flux cleaned = -0.00110125 Jy ! Component: 2650 - total flux cleaned = -0.00113905 Jy ! Component: 2700 - total flux cleaned = -0.00115153 Jy ! Component: 2750 - total flux cleaned = -0.00118884 Jy ! Component: 2800 - total flux cleaned = -0.00120098 Jy ! Component: 2850 - total flux cleaned = -0.00122549 Jy ! Component: 2900 - total flux cleaned = -0.00123768 Jy ! Component: 2950 - total flux cleaned = -0.00123778 Jy ! Component: 3000 - total flux cleaned = -0.00124985 Jy ! Component: 3050 - total flux cleaned = -0.00128585 Jy ! Component: 3100 - total flux cleaned = -0.00132158 Jy ! Component: 3150 - total flux cleaned = -0.00132153 Jy ! Component: 3200 - total flux cleaned = -0.00133322 Jy ! Component: 3250 - total flux cleaned = -0.00135655 Jy ! Component: 3300 - total flux cleaned = -0.00136802 Jy ! Component: 3350 - total flux cleaned = -0.00135657 Jy ! Component: 3400 - total flux cleaned = -0.00143691 Jy ! Component: 3450 - total flux cleaned = -0.00143695 Jy ! Component: 3500 - total flux cleaned = -0.00147095 Jy ! Component: 3550 - total flux cleaned = -0.00151602 Jy ! Component: 3600 - total flux cleaned = -0.00152725 Jy ! Component: 3650 - total flux cleaned = -0.00156076 Jy ! Component: 3700 - total flux cleaned = -0.00159405 Jy ! Component: 3750 - total flux cleaned = -0.00158301 Jy ! Component: 3800 - total flux cleaned = -0.00158309 Jy ! Component: 3850 - total flux cleaned = -0.00163766 Jy ! Component: 3900 - total flux cleaned = -0.00165939 Jy ! Component: 3950 - total flux cleaned = -0.0016702 Jy ! Component: 4000 - total flux cleaned = -0.00168105 Jy ! Component: 4050 - total flux cleaned = -0.00171316 Jy ! Total flux subtracted in 4096 components = -0.00174501 Jy ! Clean residual min=-0.000765 max=0.000551 Jy/beam ! Clean residual mean=0.000000 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.217951 Jy keep ! Adding 317 model components to the UV plane model. ! The established model now contains 485 components and 0.217951 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0827+5217_C_20180503_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.577 x 4.78 at 4.611 degrees (North through East) ! Clean map min=-0.0011844 max=0.17107 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0827+5217_C_20180503_map.fits wmodel /vlbi/bs262/maps//J0827+5217_C_20180503_map.mod ! Writing 485 model components to file: /vlbi/bs262/maps//J0827+5217_C_20180503_map.mod wobs /vlbi/bs262/maps//J0827+5217_C_20180503_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0827+5217_C_20180503_uvs.fits wwins /vlbi/bs262/maps//J0827+5217_C_20180503_map.win ! wwins: Wrote 6 windows to /vlbi/bs262/maps//J0827+5217_C_20180503_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.171066 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000197316 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.346033 0.346033 0.692067 1.38413 2.76827 5.53653 11.0731 22.1461 44.2923 88.5845 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.171 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 866.968 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0827+5217_C_20180503_dfm.log closed on Mon Jun 4 23:26:59 2018