! Started logfile: /image_prod/ug002_uva//J0831-2228_X_dfm.log on Wed Mar 4 22:25:12 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//J0831-2228_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J0831-2228_X_uva.fits ! AN table 1: 50 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.996889 visibilities/baseline/integration-bin. ! Found source: J0831-2228 ! ! 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 134 lines of history. ! ! Reading 26916 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 J0831-2228_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. ! ! 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=1.005231Jy sigma=7.651775 ! Fit after self-cal, rms=0.947931Jy sigma=7.194395 ! 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=0.6432 mas, bmaj=1.677 mas, bpa=-3.5 degrees ! Estimated noise=1.07345 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 = 0.0384843 Jy ! Component: 100 - total flux cleaned = 0.0495162 Jy ! Total flux subtracted in 100 components = 0.0495162 Jy ! Clean residual min=-0.003317 max=0.006109 Jy/beam ! Clean residual mean=-0.000004 rms=0.000876 Jy/beam ! Combined flux in latest and established models = 0.0495162 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0495162 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=0.072138Jy sigma=0.498339 ! Fit after self-cal, rms=0.070818Jy sigma=0.488717 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0064137 Jy ! Component: 100 - total flux cleaned = 0.0102196 Jy ! Total flux subtracted in 100 components = 0.0102196 Jy ! Clean residual min=-0.003052 max=0.005669 Jy/beam ! Clean residual mean=-0.000002 rms=0.000743 Jy/beam ! Combined flux in latest and established models = 0.0597358 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 18 components and 0.0597358 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=0.069817Jy sigma=0.478132 ! Fit after self-cal, rms=0.069817Jy sigma=0.478041 ! Inverting map ! Added new window around map position (1, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00505069 Jy ! Component: 100 - total flux cleaned = 0.00779615 Jy ! Total flux subtracted in 100 components = 0.00779615 Jy ! Clean residual min=-0.002635 max=0.002794 Jy/beam ! Clean residual mean=-0.000001 rms=0.000653 Jy/beam ! Combined flux in latest and established models = 0.067532 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 27 components and 0.067532 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=0.069330Jy sigma=0.473309 ! Fit after self-cal, rms=0.069261Jy sigma=0.472795 ! 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=0.8327 mas, bmaj=2.117 mas, bpa=-2.275 degrees ! Estimated noise=0.582315 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 = 0.00387572 Jy ! Component: 100 - total flux cleaned = 0.00575921 Jy ! Component: 150 - total flux cleaned = 0.00663472 Jy ! Component: 200 - total flux cleaned = 0.00672202 Jy ! Total flux subtracted in 200 components = 0.00672202 Jy ! Clean residual min=-0.002076 max=0.002783 Jy/beam ! Clean residual mean=-0.000000 rms=0.000583 Jy/beam ! Combined flux in latest and established models = 0.074254 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 36 components and 0.074254 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=0.069078Jy sigma=0.470984 ! Fit after self-cal, rms=0.069046Jy sigma=0.470807 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8327 x 2.117 at -2.275 degrees (North through East) ! Clean map min=-0.0019511 max=0.055081 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.96 HN 1.14 KP 1.02 ! LA 1.13 MK 0.97 NL 1.05 OV 0.97 ! PT 0.95 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.01 HN 1.03 KP 0.99 ! LA 1.11 MK 1.05 NL 1.07 OV 0.99 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.00 HN 1.02 KP 1.06 ! LA 1.00 MK 0.95 NL 1.04 OV 0.95 ! PT 0.98 SC 1.06 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 0.89 HN 1.10 KP 1.08 ! LA 1.04 MK 0.97 NL 1.16 OV 1.00 ! PT 1.01 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.96 HN 1.11 KP 1.04 ! LA 1.01 MK 0.95 NL 1.19 OV 0.97 ! PT 0.98 SC 1.07 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 0.98 HN 0.96 KP 1.01 ! LA 1.09 MK 1.00 NL 1.02 OV 1.01 ! PT 0.95 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.97 HN 1.01 KP 1.02 ! LA 1.12 MK 0.99 NL 1.06 OV 0.97 ! PT 1.00 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.98 HN 1.02 KP 0.98 ! LA 1.08 MK 1.06 NL 1.04 OV 0.93 ! PT 0.93 SC 1.08 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.90 HN 0.94 KP 1.03 ! LA 1.10 MK 0.94 NL 1.04 OV 1.00 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.95 HN 1.02 KP 1.05 ! LA 1.08 MK 1.00 NL 1.04 OV 0.95 ! PT 1.05 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.80 FD 1.00 HN 1.02 KP 1.02 ! LA 1.15 MK 1.09 NL 0.97 OV 0.98 ! PT 0.95 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 1.00 HN 1.12 KP 1.03 ! LA 1.06 MK 0.91 NL 1.12 OV 0.98 ! PT 0.95 SC 0.91 ! ! ! Fit before self-cal, rms=0.069046Jy sigma=0.470807 ! Fit after self-cal, rms=0.068724Jy sigma=0.468820 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8338 mas, bmaj=2.106 mas, bpa=-2.122 degrees ! Estimated noise=0.57824 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 = 0.000168501 Jy ! Component: 100 - total flux cleaned = 0.000130627 Jy ! Component: 150 - total flux cleaned = 5.30453e-05 Jy ! Component: 200 - total flux cleaned = 1.21916e-05 Jy ! Total flux subtracted in 200 components = 1.21916e-05 Jy ! Clean residual min=-0.001824 max=0.002119 Jy/beam ! Clean residual mean=0.000000 rms=0.000478 Jy/beam ! Combined flux in latest and established models = 0.0742662 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 45 components and 0.0742662 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=0.068712Jy sigma=0.468754 ! Fit after self-cal, rms=0.068740Jy sigma=0.468561 ! 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=0.068740Jy sigma=0.468561 ! Fit after self-cal, rms=0.069519Jy sigma=0.466676 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8329 mas, bmaj=2.1 mas, bpa=-2.227 degrees ! Estimated noise=0.577676 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000289864 Jy ! Component: 100 - total flux cleaned = 0.000238993 Jy ! Component: 150 - total flux cleaned = 0.000216445 Jy ! Component: 200 - total flux cleaned = 0.000206383 Jy ! Total flux subtracted in 200 components = 0.000206383 Jy ! Clean residual min=-0.001443 max=0.001662 Jy/beam ! Clean residual mean=0.000000 rms=0.000362 Jy/beam ! Combined flux in latest and established models = 0.0744726 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 46 components and 0.0744726 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=0.069514Jy sigma=0.466634 ! Fit after self-cal, rms=0.069568Jy sigma=0.466538 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 (14.8, 3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00169328 Jy ! Component: 100 - total flux cleaned = 0.00268956 Jy ! Component: 150 - total flux cleaned = 0.00338463 Jy ! Component: 200 - total flux cleaned = 0.00387908 Jy ! Total flux subtracted in 200 components = 0.00387908 Jy ! Clean residual min=-0.001359 max=0.001237 Jy/beam ! Clean residual mean=-0.000001 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.0783517 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 68 components and 0.0783517 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=0.069527Jy sigma=0.466100 ! Fit after self-cal, rms=0.069523Jy sigma=0.466053 ! 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=0.069523Jy sigma=0.466053 ! Fit after self-cal, rms=0.069342Jy sigma=0.465912 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.831 mas, bmaj=2.097 mas, bpa=-2.306 degrees ! Estimated noise=0.573979 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000809753 Jy ! Component: 100 - total flux cleaned = 0.00133841 Jy ! Component: 150 - total flux cleaned = 0.00158311 Jy ! Component: 200 - total flux cleaned = 0.00169745 Jy ! Total flux subtracted in 200 components = 0.00169745 Jy ! Clean residual min=-0.001232 max=0.001233 Jy/beam ! Clean residual mean=-0.000001 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.0800491 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 79 components and 0.0800491 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=0.069330Jy sigma=0.465801 ! Fit after self-cal, rms=0.069341Jy sigma=0.465785 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 = 0.000235427 Jy ! Component: 100 - total flux cleaned = 0.000315695 Jy ! Component: 150 - total flux cleaned = 0.000389155 Jy ! Component: 200 - total flux cleaned = 0.000434651 Jy ! Total flux subtracted in 200 components = 0.000434651 Jy ! Clean residual min=-0.001227 max=0.001216 Jy/beam ! Clean residual mean=-0.000001 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.0804837 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 84 components and 0.0804838 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=0.069336Jy sigma=0.465754 ! Fit after self-cal, rms=0.069336Jy sigma=0.465752 ! 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=0.069336Jy sigma=0.465752 ! Fit after self-cal, rms=0.069257Jy sigma=0.465731 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.233 mas, bmaj=4.747 mas, bpa=1.76 degrees ! Estimated noise=0.72253 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000800858 Jy ! Component: 100 - total flux cleaned = 0.00104065 Jy ! Component: 150 - total flux cleaned = 0.00109606 Jy ! Component: 200 - total flux cleaned = 0.00112929 Jy ! Total flux subtracted in 200 components = 0.00112929 Jy ! Clean residual min=-0.001687 max=0.001474 Jy/beam ! Clean residual mean=-0.000001 rms=0.000398 Jy/beam ! Combined flux in latest and established models = 0.081613 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 90 components and 0.081613 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=0.069261Jy sigma=0.465722 ! Fit after self-cal, rms=0.069258Jy sigma=0.465708 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 = 0.000153353 Jy ! Component: 100 - total flux cleaned = 0.000161619 Jy ! Component: 150 - total flux cleaned = 0.000176143 Jy ! Component: 200 - total flux cleaned = 0.000189772 Jy ! Total flux subtracted in 200 components = 0.000189772 Jy ! Clean residual min=-0.001699 max=0.001420 Jy/beam ! Clean residual mean=-0.000001 rms=0.000395 Jy/beam ! Combined flux in latest and established models = 0.0818028 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 93 components and 0.0818028 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=0.069260Jy sigma=0.465721 ! Fit after self-cal, rms=0.069259Jy sigma=0.465718 ! 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=0.8301 mas, bmaj=2.098 mas, bpa=-2.339 degrees ! Estimated noise=0.573292 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8301 x 2.098 at -2.339 degrees (North through East) ! Clean map min=-0.0011142 max=0.054467 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=0.6417 mas, bmaj=1.658 mas, bpa=-3.597 degrees ! Estimated noise=1.05479 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0387124 Jy ! Component: 100 - total flux cleaned = 0.0507866 Jy ! Component: 150 - total flux cleaned = 0.0580042 Jy ! Component: 200 - total flux cleaned = 0.0628877 Jy ! Total flux subtracted in 200 components = 0.0628877 Jy ! Clean residual min=-0.002467 max=0.002706 Jy/beam ! Clean residual mean=-0.000001 rms=0.000601 Jy/beam ! Combined flux in latest and established models = 0.0628877 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.0628877 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8301 mas, bmaj=2.098 mas, bpa=-2.339 degrees ! Estimated noise=0.573292 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 = 0.00542186 Jy ! Component: 100 - total flux cleaned = 0.00833197 Jy ! Component: 150 - total flux cleaned = 0.0104223 Jy ! Component: 200 - total flux cleaned = 0.0120562 Jy ! Total flux subtracted in 200 components = 0.0120562 Jy ! Clean residual min=-0.001316 max=0.001374 Jy/beam ! Clean residual mean=-0.000002 rms=0.000341 Jy/beam ! Combined flux in latest and established models = 0.0749438 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 45 components and 0.0749438 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=2.233 mas, bmaj=4.747 mas, bpa=1.76 degrees ! Estimated noise=0.72253 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00218929 Jy ! Component: 100 - total flux cleaned = 0.00348415 Jy ! Component: 150 - total flux cleaned = 0.00436837 Jy ! Component: 200 - total flux cleaned = 0.00498893 Jy ! Total flux subtracted in 200 components = 0.00498893 Jy ! Clean residual min=-0.001599 max=0.001366 Jy/beam ! Clean residual mean=-0.000002 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.0799327 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 = 0.000453292 Jy ! Component: 100 - total flux cleaned = 0.000794721 Jy ! Component: 150 - total flux cleaned = 0.000977664 Jy ! Component: 200 - total flux cleaned = 0.00107171 Jy ! Total flux subtracted in 200 components = 0.00107171 Jy ! Clean residual min=-0.001683 max=0.001362 Jy/beam ! Clean residual mean=-0.000002 rms=0.000400 Jy/beam ! Combined flux in latest and established models = 0.0810044 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 72 components and 0.0810044 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8301 mas, bmaj=2.098 mas, bpa=-2.339 degrees ! Estimated noise=0.573292 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.17615e-06 Jy ! Component: 100 - total flux cleaned = -2.22275e-05 Jy ! Component: 150 - total flux cleaned = 6.59384e-05 Jy ! Component: 200 - total flux cleaned = 0.00014438 Jy ! Total flux subtracted in 200 components = 0.00014438 Jy ! Clean residual min=-0.001239 max=0.001254 Jy/beam ! Clean residual mean=-0.000001 rms=0.000284 Jy/beam ! Combined flux in latest and established models = 0.0811488 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 84 components and 0.0811488 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=0.069257Jy sigma=0.465716 ! Fit after self-cal, rms=0.069256Jy sigma=0.465696 wmodel J0831-2228_X_map.mod ! Writing 84 model components to file: J0831-2228_X_map.mod wobs J0831-2228_X_uvs.fits ! Writing UV FITS file: J0831-2228_X_uvs.fits wwins J0831-2228_X_map.win ! wwins: Wrote 3 windows to J0831-2228_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 = 0.000190209 Jy ! Component: 100 - total flux cleaned = 8.7102e-05 Jy ! Component: 150 - total flux cleaned = -5.21339e-05 Jy ! Component: 200 - total flux cleaned = -0.000167396 Jy ! Component: 250 - total flux cleaned = -0.000296669 Jy ! Component: 300 - total flux cleaned = -0.000421477 Jy ! Component: 350 - total flux cleaned = -0.000542265 Jy ! Component: 400 - total flux cleaned = -0.000592778 Jy ! Component: 450 - total flux cleaned = -0.000691332 Jy ! Component: 500 - total flux cleaned = -0.000739054 Jy ! Component: 550 - total flux cleaned = -0.000801395 Jy ! Component: 600 - total flux cleaned = -0.000847339 Jy ! Component: 650 - total flux cleaned = -0.000877565 Jy ! Component: 700 - total flux cleaned = -0.000892386 Jy ! Component: 750 - total flux cleaned = -0.000964973 Jy ! Component: 800 - total flux cleaned = -0.000964909 Jy ! Component: 850 - total flux cleaned = -0.000978987 Jy ! Component: 900 - total flux cleaned = -0.00100674 Jy ! Component: 950 - total flux cleaned = -0.00106139 Jy ! Component: 1000 - total flux cleaned = -0.00107526 Jy ! Component: 1050 - total flux cleaned = -0.00115525 Jy ! Component: 1100 - total flux cleaned = -0.00118162 Jy ! Component: 1150 - total flux cleaned = -0.00122056 Jy ! Component: 1200 - total flux cleaned = -0.00124624 Jy ! Component: 1250 - total flux cleaned = -0.00125886 Jy ! Component: 1300 - total flux cleaned = -0.00125874 Jy ! Component: 1350 - total flux cleaned = -0.00127093 Jy ! Component: 1400 - total flux cleaned = -0.00123428 Jy ! Component: 1450 - total flux cleaned = -0.00122244 Jy ! Component: 1500 - total flux cleaned = -0.0012581 Jy ! Component: 1550 - total flux cleaned = -0.00119902 Jy ! Component: 1600 - total flux cleaned = -0.00119924 Jy ! Component: 1650 - total flux cleaned = -0.00121079 Jy ! Component: 1700 - total flux cleaned = -0.00122224 Jy ! Component: 1750 - total flux cleaned = -0.0011655 Jy ! Component: 1800 - total flux cleaned = -0.00118793 Jy ! Component: 1850 - total flux cleaned = -0.00118784 Jy ! Component: 1900 - total flux cleaned = -0.00122088 Jy ! Component: 1950 - total flux cleaned = -0.00119913 Jy ! Component: 2000 - total flux cleaned = -0.00121002 Jy ! Component: 2050 - total flux cleaned = -0.00121015 Jy ! Component: 2100 - total flux cleaned = -0.00124202 Jy ! Component: 2150 - total flux cleaned = -0.00119994 Jy ! Component: 2200 - total flux cleaned = -0.0012103 Jy ! Component: 2250 - total flux cleaned = -0.00120004 Jy ! Component: 2300 - total flux cleaned = -0.00121032 Jy ! Component: 2350 - total flux cleaned = -0.00118987 Jy ! Component: 2400 - total flux cleaned = -0.00119999 Jy ! Component: 2450 - total flux cleaned = -0.00118994 Jy ! Component: 2500 - total flux cleaned = -0.00119985 Jy ! Component: 2550 - total flux cleaned = -0.00118996 Jy ! Component: 2600 - total flux cleaned = -0.00118999 Jy ! Component: 2650 - total flux cleaned = -0.00121918 Jy ! Component: 2700 - total flux cleaned = -0.00121916 Jy ! Component: 2750 - total flux cleaned = -0.0011904 Jy ! Component: 2800 - total flux cleaned = -0.00121908 Jy ! Component: 2850 - total flux cleaned = -0.0012285 Jy ! Component: 2900 - total flux cleaned = -0.00120967 Jy ! Component: 2950 - total flux cleaned = -0.00120963 Jy ! Component: 3000 - total flux cleaned = -0.00120028 Jy ! Component: 3050 - total flux cleaned = -0.00120031 Jy ! Component: 3100 - total flux cleaned = -0.00119111 Jy ! Component: 3150 - total flux cleaned = -0.00122759 Jy ! Component: 3200 - total flux cleaned = -0.00120042 Jy ! Component: 3250 - total flux cleaned = -0.00119148 Jy ! Component: 3300 - total flux cleaned = -0.00123625 Jy ! Component: 3350 - total flux cleaned = -0.00122737 Jy ! Component: 3400 - total flux cleaned = -0.001245 Jy ! Component: 3450 - total flux cleaned = -0.00121867 Jy ! Component: 3500 - total flux cleaned = -0.00125359 Jy ! Component: 3550 - total flux cleaned = -0.0012536 Jy ! Component: 3600 - total flux cleaned = -0.00124499 Jy ! Component: 3650 - total flux cleaned = -0.0012793 Jy ! Component: 3700 - total flux cleaned = -0.00130486 Jy ! Component: 3750 - total flux cleaned = -0.00128791 Jy ! Component: 3800 - total flux cleaned = -0.00128791 Jy ! Component: 3850 - total flux cleaned = -0.00132148 Jy ! Component: 3900 - total flux cleaned = -0.00130475 Jy ! Component: 3950 - total flux cleaned = -0.00132956 Jy ! Component: 4000 - total flux cleaned = -0.00133776 Jy ! Component: 4050 - total flux cleaned = -0.00137866 Jy ! Total flux subtracted in 4096 components = -0.00136236 Jy ! Clean residual min=-0.000573 max=0.000475 Jy/beam ! Clean residual mean=0.000000 rms=0.000139 Jy/beam ! Combined flux in latest and established models = 0.0797864 Jy keep ! Adding 310 model components to the UV plane model. ! The established model now contains 394 components and 0.0797865 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J0831-2228_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8301 x 2.098 at -2.339 degrees (North through East) ! Clean map min=-0.00073306 max=0.054728 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J0831-2228_X_map.fits wmodel /image_prod/ug002_uva//J0831-2228_X_map.mod ! Writing 394 model components to file: /image_prod/ug002_uva//J0831-2228_X_map.mod wobs /image_prod/ug002_uva//J0831-2228_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J0831-2228_X_uvs.fits wwins /image_prod/ug002_uva//J0831-2228_X_map.win ! wwins: Wrote 4 windows to /image_prod/ug002_uva//J0831-2228_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0547277 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000138608 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.759806 0.759806 1.51961 3.03923 6.07845 12.1569 24.3138 48.6276 97.2552 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.054 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 394.837 quit ! Quitting program ! Log file /image_prod/ug002_uva//J0831-2228_X_dfm.log closed on Wed Mar 4 22:25:16 2020