! Started logfile: /image_prod/ug002_uva//J0257+7843_X_dfm.log on Wed Mar 4 19:43:39 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /image_prod/ug002_uva//J0257+7843_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J0257+7843_X_uva.fits ! AN table 1: 80 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.675347 visibilities/baseline/integration-bin. ! Found source: J0257+7843 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 23340 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J0257+7843_X] 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 0.200x0.200 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 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 125 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.005580Jy sigma=9.190381 ! Fit after self-cal, rms=0.864459Jy sigma=7.877208 ! 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=0.7599 mas, bmaj=0.9015 mas, bpa=-80.33 degrees ! Estimated noise=1.09223 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 = 0.101015 Jy ! Component: 100 - total flux cleaned = 0.125324 Jy ! Total flux subtracted in 100 components = 0.125324 Jy ! Clean residual min=-0.006407 max=0.018179 Jy/beam ! Clean residual mean=-0.000006 rms=0.001589 Jy/beam ! Combined flux in latest and established models = 0.125324 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.125324 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.065841Jy sigma=0.578975 ! Fit after self-cal, rms=0.065782Jy sigma=0.578624 ! Inverting map ! Added new window around map position (-1.4, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0163134 Jy ! Component: 100 - total flux cleaned = 0.025496 Jy ! Total flux subtracted in 100 components = 0.025496 Jy ! Clean residual min=-0.005739 max=0.005801 Jy/beam ! Clean residual mean=-0.000006 rms=0.001192 Jy/beam ! Combined flux in latest and established models = 0.15082 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 22 components and 0.15082 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059567Jy sigma=0.514677 ! Fit after self-cal, rms=0.058887Jy sigma=0.508992 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00847767 Jy ! Component: 100 - total flux cleaned = 0.0141148 Jy ! Total flux subtracted in 100 components = 0.0141148 Jy ! Clean residual min=-0.004622 max=0.004839 Jy/beam ! Clean residual mean=-0.000006 rms=0.000990 Jy/beam ! Combined flux in latest and established models = 0.164935 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 29 components and 0.164935 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.056771Jy sigma=0.486738 ! Fit after self-cal, rms=0.056597Jy sigma=0.485213 ! 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=0.9904 mas, bmaj=1.14 mas, bpa=-84.12 degrees ! Estimated noise=0.514532 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 = 0.00869507 Jy ! Component: 100 - total flux cleaned = 0.0136788 Jy ! Component: 150 - total flux cleaned = 0.0168294 Jy ! Component: 200 - total flux cleaned = 0.0189424 Jy ! Total flux subtracted in 200 components = 0.0189424 Jy ! Clean residual min=-0.004493 max=0.004928 Jy/beam ! Clean residual mean=-0.000012 rms=0.001030 Jy/beam ! Combined flux in latest and established models = 0.183877 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 45 components and 0.183877 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.055237Jy sigma=0.471452 ! Fit after self-cal, rms=0.055097Jy sigma=0.470075 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9904 x 1.14 at -84.12 degrees (North through East) ! Clean map min=-0.0043019 max=0.13133 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 0.88 KP 1.01 LA 1.05 ! MK 1.02 NL 1.15 OV 0.90 PT 0.85 ! SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 HN 0.88 KP 1.01 LA 1.00 ! MK 1.01 NL 1.18 OV 0.93 PT 0.85 ! SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 HN 0.87 KP 1.03 LA 1.03 ! MK 0.98 NL 1.16 OV 0.90 PT 0.87 ! SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 0.89 KP 1.04 LA 1.05 ! MK 0.99 NL 1.16 OV 0.91 PT 0.85 ! SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 0.88 KP 1.02 LA 1.04 ! MK 0.99 NL 1.16 OV 0.93 PT 0.84 ! SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 HN 0.87 KP 1.02 LA 1.03 ! MK 1.03 NL 1.16 OV 0.92 PT 0.89 ! SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 0.92 KP 1.00 LA 1.02 ! MK 1.05 NL 1.17 OV 0.94 PT 0.88 ! SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 0.92 KP 1.02 LA 1.03 ! MK 1.05 NL 1.17 OV 0.92 PT 0.87 ! SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 HN 0.93 KP 1.03 LA 1.04 ! MK 1.05 NL 1.16 OV 0.89 PT 0.87 ! SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 0.86 KP 1.01 LA 1.06 ! MK 1.05 NL 1.19 OV 0.91 PT 0.87 ! SC 1.01 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 HN 0.91 KP 1.04 LA 1.04 ! MK 0.99 NL 1.15 OV 0.92 PT 0.88 ! SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 HN 0.91 KP 1.01 LA 1.01 ! MK 1.05 NL 1.17 OV 0.93 PT 0.87 ! SC 1.03 ! ! ! Fit before self-cal, rms=0.055097Jy sigma=0.470075 ! Fit after self-cal, rms=0.051773Jy sigma=0.449187 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1 mas, bmaj=1.134 mas, bpa=-83.76 degrees ! Estimated noise=0.511403 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 (-3.6, 4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00393577 Jy ! Component: 100 - total flux cleaned = 0.00647556 Jy ! Component: 150 - total flux cleaned = 0.00790057 Jy ! Component: 200 - total flux cleaned = 0.00887712 Jy ! Total flux subtracted in 200 components = 0.00887712 Jy ! Clean residual min=-0.001719 max=0.001746 Jy/beam ! Clean residual mean=-0.000002 rms=0.000393 Jy/beam ! Combined flux in latest and established models = 0.192755 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 68 components and 0.192755 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051427Jy sigma=0.445606 ! Fit after self-cal, rms=0.051417Jy sigma=0.445082 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051417Jy sigma=0.445082 ! Fit after self-cal, rms=0.051380Jy sigma=0.442379 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9952 mas, bmaj=1.139 mas, bpa=-83.78 degrees ! Estimated noise=0.512229 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129879 Jy ! Component: 100 - total flux cleaned = 0.00200644 Jy ! Component: 150 - total flux cleaned = 0.00233603 Jy ! Component: 200 - total flux cleaned = 0.00236706 Jy ! Total flux subtracted in 200 components = 0.00236706 Jy ! Clean residual min=-0.001111 max=0.001437 Jy/beam ! Clean residual mean=-0.000001 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.195122 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 84 components and 0.195122 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051310Jy sigma=0.441757 ! Fit after self-cal, rms=0.051308Jy sigma=0.441669 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 (-5.2, -5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00104282 Jy ! Component: 100 - total flux cleaned = 0.00174989 Jy ! Component: 150 - total flux cleaned = 0.0021674 Jy ! Component: 200 - total flux cleaned = 0.00239711 Jy ! Total flux subtracted in 200 components = 0.00239711 Jy ! Clean residual min=-0.001137 max=0.001318 Jy/beam ! Clean residual mean=-0.000000 rms=0.000279 Jy/beam ! Combined flux in latest and established models = 0.197519 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 97 components and 0.197519 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051258Jy sigma=0.441198 ! Fit after self-cal, rms=0.051253Jy sigma=0.441171 ! Inverting map ! Added new window around map position (31.6, 27.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00116915 Jy ! Component: 100 - total flux cleaned = 0.00161307 Jy ! Component: 150 - total flux cleaned = 0.00190058 Jy ! Component: 200 - total flux cleaned = 0.00204443 Jy ! Total flux subtracted in 200 components = 0.00204443 Jy ! Clean residual min=-0.001153 max=0.001068 Jy/beam ! Clean residual mean=-0.000001 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.199563 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 112 components and 0.199563 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051216Jy sigma=0.440813 ! Fit after self-cal, rms=0.051213Jy sigma=0.440796 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051213Jy sigma=0.440796 ! Fit after self-cal, rms=0.051265Jy sigma=0.440698 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9958 mas, bmaj=1.138 mas, bpa=-83.58 degrees ! Estimated noise=0.512784 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00078344 Jy ! Component: 100 - total flux cleaned = 0.0012299 Jy ! Component: 150 - total flux cleaned = 0.00151867 Jy ! Component: 200 - total flux cleaned = 0.00168297 Jy ! Total flux subtracted in 200 components = 0.00168297 Jy ! Clean residual min=-0.001012 max=0.001033 Jy/beam ! Clean residual mean=-0.000001 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.201246 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 119 components and 0.201246 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051245Jy sigma=0.440502 ! Fit after self-cal, rms=0.051244Jy sigma=0.440493 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 (3.4, 41.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000902503 Jy ! Component: 100 - total flux cleaned = 0.0010844 Jy ! Component: 150 - total flux cleaned = 0.00130507 Jy ! Component: 200 - total flux cleaned = 0.00143541 Jy ! Total flux subtracted in 200 components = 0.00143541 Jy ! Clean residual min=-0.000974 max=0.001040 Jy/beam ! Clean residual mean=-0.000000 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 0.202682 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 130 components and 0.202682 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051221Jy sigma=0.440290 ! Fit after self-cal, rms=0.051219Jy sigma=0.440279 ! Inverting map ! Added new window around map position (1.4, 16.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000711032 Jy ! Component: 100 - total flux cleaned = 0.00105711 Jy ! Component: 150 - total flux cleaned = 0.00134679 Jy ! Component: 200 - total flux cleaned = 0.00152659 Jy ! Total flux subtracted in 200 components = 0.00152659 Jy ! Clean residual min=-0.000958 max=0.000934 Jy/beam ! Clean residual mean=-0.000000 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.204208 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 144 components and 0.204208 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051197Jy sigma=0.440091 ! Fit after self-cal, rms=0.051196Jy sigma=0.440084 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051196Jy sigma=0.440084 ! Fit after self-cal, rms=0.051205Jy sigma=0.440049 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.238 mas, bmaj=2.542 mas, bpa=85.3 degrees ! Estimated noise=0.658509 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000583241 Jy ! Component: 100 - total flux cleaned = 0.00077935 Jy ! Component: 150 - total flux cleaned = 0.000965998 Jy ! Component: 200 - total flux cleaned = 0.00115222 Jy ! Total flux subtracted in 200 components = 0.00115222 Jy ! Clean residual min=-0.000933 max=0.000939 Jy/beam ! Clean residual mean=-0.000000 rms=0.000262 Jy/beam ! Combined flux in latest and established models = 0.20536 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 156 components and 0.20536 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051199Jy sigma=0.440000 ! Fit after self-cal, rms=0.051197Jy sigma=0.439992 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 = 0.000271683 Jy ! Component: 100 - total flux cleaned = 0.000479507 Jy ! Component: 150 - total flux cleaned = 0.000601826 Jy ! Component: 200 - total flux cleaned = 0.000714281 Jy ! Total flux subtracted in 200 components = 0.000714281 Jy ! Clean residual min=-0.000914 max=0.000962 Jy/beam ! Clean residual mean=-0.000000 rms=0.000253 Jy/beam ! Combined flux in latest and established models = 0.206075 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 170 components and 0.206075 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051194Jy sigma=0.439975 ! Fit after self-cal, rms=0.051193Jy sigma=0.439973 ! 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=0.9961 mas, bmaj=1.137 mas, bpa=-83.48 degrees ! Estimated noise=0.513068 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9961 x 1.137 at -83.48 degrees (North through East) ! Clean map min=-0.00086583 max=0.13068 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=0.765 mas, bmaj=0.9042 mas, bpa=-79.9 degrees ! Estimated noise=1.09795 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.100746 Jy ! Component: 100 - total flux cleaned = 0.131712 Jy ! Component: 150 - total flux cleaned = 0.14789 Jy ! Component: 200 - total flux cleaned = 0.158112 Jy ! Total flux subtracted in 200 components = 0.158112 Jy ! Clean residual min=-0.003262 max=0.005421 Jy/beam ! Clean residual mean=-0.000002 rms=0.000786 Jy/beam ! Combined flux in latest and established models = 0.158112 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.158112 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9961 mas, bmaj=1.137 mas, bpa=-83.48 degrees ! Estimated noise=0.513068 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 = 0.0111015 Jy ! Component: 100 - total flux cleaned = 0.0176608 Jy ! Component: 150 - total flux cleaned = 0.0223642 Jy ! Component: 200 - total flux cleaned = 0.0258807 Jy ! Total flux subtracted in 200 components = 0.0258807 Jy ! Clean residual min=-0.001839 max=0.002518 Jy/beam ! Clean residual mean=-0.000002 rms=0.000459 Jy/beam ! Combined flux in latest and established models = 0.183992 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 33 components and 0.183992 Jy ! Inverting map ! Added new window around map position (-2.8, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00286787 Jy ! Component: 100 - total flux cleaned = 0.00513468 Jy ! Component: 150 - total flux cleaned = 0.00702327 Jy ! Component: 200 - total flux cleaned = 0.00866838 Jy ! Total flux subtracted in 200 components = 0.00866838 Jy ! Clean residual min=-0.001306 max=0.001312 Jy/beam ! Clean residual mean=-0.000001 rms=0.000318 Jy/beam ! Combined flux in latest and established models = 0.192661 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 56 components and 0.192661 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.238 mas, bmaj=2.542 mas, bpa=85.3 degrees ! Estimated noise=0.658509 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00254107 Jy ! Component: 100 - total flux cleaned = 0.00434071 Jy ! Component: 150 - total flux cleaned = 0.00582104 Jy ! Component: 200 - total flux cleaned = 0.00704865 Jy ! Total flux subtracted in 200 components = 0.00704865 Jy ! Clean residual min=-0.001218 max=0.001205 Jy/beam ! Clean residual mean=-0.000002 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.199709 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 = 0.00102563 Jy ! Component: 100 - total flux cleaned = 0.00189511 Jy ! Component: 150 - total flux cleaned = 0.00264845 Jy ! Component: 200 - total flux cleaned = 0.00318384 Jy ! Total flux subtracted in 200 components = 0.00318384 Jy ! Clean residual min=-0.001026 max=0.001036 Jy/beam ! Clean residual mean=-0.000001 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.202893 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 118 components and 0.202893 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9961 mas, bmaj=1.137 mas, bpa=-83.48 degrees ! Estimated noise=0.513068 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000880412 Jy ! Component: 100 - total flux cleaned = 0.00135266 Jy ! Component: 150 - total flux cleaned = 0.00182539 Jy ! Component: 200 - total flux cleaned = 0.002155 Jy ! Total flux subtracted in 200 components = 0.002155 Jy ! Clean residual min=-0.000989 max=0.001050 Jy/beam ! Clean residual mean=0.000000 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.205048 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 141 components and 0.205048 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051220Jy sigma=0.440187 ! Fit after self-cal, rms=0.051201Jy sigma=0.440053 wmodel J0257+7843_X_map.mod ! Writing 141 model components to file: J0257+7843_X_map.mod wobs J0257+7843_X_uvs.fits ! Writing UV FITS file: J0257+7843_X_uvs.fits wwins J0257+7843_X_map.win ! wwins: Wrote 8 windows to J0257+7843_X_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 = 8.38168e-05 Jy ! Component: 100 - total flux cleaned = 0.000214932 Jy ! Component: 150 - total flux cleaned = 0.000308789 Jy ! Component: 200 - total flux cleaned = 0.000354132 Jy ! Component: 250 - total flux cleaned = 0.000353975 Jy ! Component: 300 - total flux cleaned = 0.000353746 Jy ! Component: 350 - total flux cleaned = 0.000339751 Jy ! Component: 400 - total flux cleaned = 0.000353256 Jy ! Component: 450 - total flux cleaned = 0.0003928 Jy ! Component: 500 - total flux cleaned = 0.000405725 Jy ! Component: 550 - total flux cleaned = 0.000456895 Jy ! Component: 600 - total flux cleaned = 0.000444215 Jy ! Component: 650 - total flux cleaned = 0.000481519 Jy ! Component: 700 - total flux cleaned = 0.000530515 Jy ! Component: 750 - total flux cleaned = 0.000542636 Jy ! Component: 800 - total flux cleaned = 0.00059057 Jy ! Component: 850 - total flux cleaned = 0.000590697 Jy ! Component: 900 - total flux cleaned = 0.000648905 Jy ! Component: 950 - total flux cleaned = 0.000660388 Jy ! Component: 1000 - total flux cleaned = 0.000648969 Jy ! Component: 1050 - total flux cleaned = 0.00067174 Jy ! Component: 1100 - total flux cleaned = 0.000683086 Jy ! Component: 1150 - total flux cleaned = 0.00072741 Jy ! Component: 1200 - total flux cleaned = 0.000705536 Jy ! Component: 1250 - total flux cleaned = 0.000705683 Jy ! Component: 1300 - total flux cleaned = 0.000748589 Jy ! Component: 1350 - total flux cleaned = 0.0007591 Jy ! Component: 1400 - total flux cleaned = 0.000759114 Jy ! Component: 1450 - total flux cleaned = 0.000748669 Jy ! Component: 1500 - total flux cleaned = 0.000748774 Jy ! Component: 1550 - total flux cleaned = 0.000759208 Jy ! Component: 1600 - total flux cleaned = 0.000799844 Jy ! Component: 1650 - total flux cleaned = 0.000789639 Jy ! Component: 1700 - total flux cleaned = 0.000819631 Jy ! Component: 1750 - total flux cleaned = 0.000819621 Jy ! Component: 1800 - total flux cleaned = 0.000868758 Jy ! Component: 1850 - total flux cleaned = 0.000868689 Jy ! Component: 1900 - total flux cleaned = 0.000878548 Jy ! Component: 1950 - total flux cleaned = 0.000868972 Jy ! Component: 2000 - total flux cleaned = 0.000916495 Jy ! Component: 2050 - total flux cleaned = 0.000935363 Jy ! Component: 2100 - total flux cleaned = 0.000982076 Jy ! Component: 2150 - total flux cleaned = 0.000972834 Jy ! Component: 2200 - total flux cleaned = 0.00101889 Jy ! Component: 2250 - total flux cleaned = 0.00100974 Jy ! Component: 2300 - total flux cleaned = 0.00102788 Jy ! Component: 2350 - total flux cleaned = 0.00103696 Jy ! Component: 2400 - total flux cleaned = 0.000983138 Jy ! Component: 2450 - total flux cleaned = 0.00100992 Jy ! Component: 2500 - total flux cleaned = 0.00103654 Jy ! Component: 2550 - total flux cleaned = 0.00104537 Jy ! Component: 2600 - total flux cleaned = 0.00105408 Jy ! Component: 2650 - total flux cleaned = 0.00105412 Jy ! Component: 2700 - total flux cleaned = 0.00104537 Jy ! Component: 2750 - total flux cleaned = 0.00101964 Jy ! Component: 2800 - total flux cleaned = 0.0010367 Jy ! Component: 2850 - total flux cleaned = 0.00101965 Jy ! Component: 2900 - total flux cleaned = 0.0010112 Jy ! Component: 2950 - total flux cleaned = 0.000994403 Jy ! Component: 3000 - total flux cleaned = 0.001011 Jy ! Component: 3050 - total flux cleaned = 0.00105241 Jy ! Component: 3100 - total flux cleaned = 0.00102765 Jy ! Component: 3150 - total flux cleaned = 0.00102759 Jy ! Component: 3200 - total flux cleaned = 0.0010438 Jy ! Component: 3250 - total flux cleaned = 0.00102766 Jy ! Component: 3300 - total flux cleaned = 0.00101156 Jy ! Component: 3350 - total flux cleaned = 0.00102762 Jy ! Component: 3400 - total flux cleaned = 0.00104356 Jy ! Component: 3450 - total flux cleaned = 0.00103561 Jy ! Component: 3500 - total flux cleaned = 0.00102781 Jy ! Component: 3550 - total flux cleaned = 0.00104347 Jy ! Component: 3600 - total flux cleaned = 0.00101232 Jy ! Component: 3650 - total flux cleaned = 0.00103556 Jy ! Component: 3700 - total flux cleaned = 0.00102012 Jy ! Component: 3750 - total flux cleaned = 0.00102014 Jy ! Component: 3800 - total flux cleaned = 0.0010354 Jy ! Component: 3850 - total flux cleaned = 0.00104305 Jy ! Component: 3900 - total flux cleaned = 0.00103546 Jy ! Component: 3950 - total flux cleaned = 0.00105055 Jy ! Component: 4000 - total flux cleaned = 0.0010281 Jy ! Component: 4050 - total flux cleaned = 0.00105044 Jy ! Total flux subtracted in 4096 components = 0.00104304 Jy ! Clean residual min=-0.000508 max=0.000415 Jy/beam ! Clean residual mean=-0.000000 rms=0.000121 Jy/beam ! Combined flux in latest and established models = 0.206091 Jy keep ! Adding 307 model components to the UV plane model. ! The established model now contains 448 components and 0.206091 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J0257+7843_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9961 x 1.137 at -83.48 degrees (North through East) ! Clean map min=-0.00062198 max=0.1303 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J0257+7843_X_map.fits wmodel /image_prod/ug002_uva//J0257+7843_X_map.mod ! Writing 448 model components to file: /image_prod/ug002_uva//J0257+7843_X_map.mod wobs /image_prod/ug002_uva//J0257+7843_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J0257+7843_X_uvs.fits wwins /image_prod/ug002_uva//J0257+7843_X_map.win ! wwins: Wrote 9 windows to /image_prod/ug002_uva//J0257+7843_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.130296 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000120395 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.277205 0.277205 0.554411 1.10882 2.21764 4.43529 8.87057 17.7411 35.4823 70.9646 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.13 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1082.23 quit ! Quitting program ! Log file /image_prod/ug002_uva//J0257+7843_X_dfm.log closed on Wed Mar 4 19:43:44 2020