! Started logfile: /image_prod/ug002_uva//J2253+1942_X_l_dfm.log on Thu Mar 5 05:57:31 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//J2253+1942_X_l_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2253+1942_X_l_uva.fits ! AN table 1: 21 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.640212 visibilities/baseline/integration-bin. ! Found source: J2253+1942 ! ! 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 7260 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 J2253+1942_X_l] 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 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.022416Jy sigma=9.824713 ! Fit after self-cal, rms=0.789398Jy sigma=7.569407 ! 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=0.7307 mas, bmaj=1.827 mas, bpa=3.821 degrees ! Estimated noise=1.17258 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 = 0.158245 Jy ! Component: 100 - total flux cleaned = 0.200387 Jy ! Total flux subtracted in 100 components = 0.200387 Jy ! Clean residual min=-0.005873 max=0.017078 Jy/beam ! Clean residual mean=0.000003 rms=0.001672 Jy/beam ! Combined flux in latest and established models = 0.200387 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.200387 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=0.063470Jy sigma=0.583697 ! Fit after self-cal, rms=0.063458Jy sigma=0.583443 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0180269 Jy ! Component: 100 - total flux cleaned = 0.0282201 Jy ! Total flux subtracted in 100 components = 0.0282201 Jy ! Clean residual min=-0.004151 max=0.007438 Jy/beam ! Clean residual mean=0.000001 rms=0.001009 Jy/beam ! Combined flux in latest and established models = 0.228607 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 19 components and 0.228607 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=0.056703Jy sigma=0.509027 ! Fit after self-cal, rms=0.056692Jy sigma=0.508841 ! Inverting map ! Added new window around map position (-1, 1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00749705 Jy ! Component: 100 - total flux cleaned = 0.0125213 Jy ! Total flux subtracted in 100 components = 0.0125213 Jy ! Clean residual min=-0.003984 max=0.003918 Jy/beam ! Clean residual mean=-0.000000 rms=0.000843 Jy/beam ! Combined flux in latest and established models = 0.241128 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 29 components and 0.241128 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=0.055362Jy sigma=0.494436 ! Fit after self-cal, rms=0.055338Jy sigma=0.494240 ! 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=0.9547 mas, bmaj=2.08 mas, bpa=4.934 degrees ! Estimated noise=0.876078 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 = 0.00496759 Jy ! Component: 100 - total flux cleaned = 0.00731331 Jy ! Component: 150 - total flux cleaned = 0.00817541 Jy ! Component: 200 - total flux cleaned = 0.00882741 Jy ! Total flux subtracted in 200 components = 0.00882741 Jy ! Clean residual min=-0.003356 max=0.003446 Jy/beam ! Clean residual mean=-0.000002 rms=0.000734 Jy/beam ! Combined flux in latest and established models = 0.249956 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 37 components and 0.249956 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=0.054835Jy sigma=0.489176 ! Fit after self-cal, rms=0.054823Jy sigma=0.489085 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9547 x 2.08 at 4.934 degrees (North through East) ! Clean map min=-0.0032212 max=0.20981 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 0.97 KP 1.02 ! LA 1.00 MK 1.05 NL 0.97 OV 0.99 ! PT 1.04 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.95 KP 1.03 ! LA 0.99 MK 1.04 NL 0.95 OV 1.00 ! PT 1.01 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 0.95 KP 1.01 ! LA 0.99 MK 1.06 NL 0.96 OV 0.99 ! PT 1.03 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.97 KP 1.01 ! LA 1.01 MK 1.05 NL 0.97 OV 1.00 ! PT 1.03 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 0.94 KP 1.02 ! LA 1.02 MK 1.07 NL 0.93 OV 1.00 ! PT 1.03 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HN 1.00 KP 1.03 ! LA 0.98 MK 1.06 NL 0.96 OV 1.00 ! PT 1.03 SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.94 KP 0.99 ! LA 0.97 MK 1.04 NL 0.94 OV 1.01 ! PT 1.05 SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.94 KP 1.00 ! LA 0.99 MK 1.06 NL 0.93 OV 0.99 ! PT 1.03 SC 1.03 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.98 KP 1.03 ! LA 0.99 MK 1.06 NL 0.96 OV 0.99 ! PT 1.06 SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 0.92 KP 1.02 ! LA 1.00 MK 1.03 NL 1.02 OV 1.00 ! PT 1.03 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 0.94 KP 1.01 ! LA 0.98 MK 1.07 NL 0.93 OV 1.00 ! PT 1.01 SC 1.03 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 0.91 KP 1.03 ! LA 1.01 MK 1.05 NL 0.95 OV 0.98 ! PT 1.05 SC 0.98 ! ! ! Fit before self-cal, rms=0.054823Jy sigma=0.489085 ! Fit after self-cal, rms=0.053469Jy sigma=0.480976 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9609 mas, bmaj=2.078 mas, bpa=5.041 degrees ! Estimated noise=0.873515 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 = 0.00124601 Jy ! Component: 100 - total flux cleaned = 0.00166027 Jy ! Component: 150 - total flux cleaned = 0.00181386 Jy ! Component: 200 - total flux cleaned = 0.00195107 Jy ! Total flux subtracted in 200 components = 0.00195107 Jy ! Clean residual min=-0.002437 max=0.002292 Jy/beam ! Clean residual mean=-0.000001 rms=0.000565 Jy/beam ! Combined flux in latest and established models = 0.251907 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 46 components and 0.251907 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=0.053409Jy sigma=0.480483 ! Fit after self-cal, rms=0.053406Jy sigma=0.480404 ! 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=0.053406Jy sigma=0.480404 ! Fit after self-cal, rms=0.053584Jy sigma=0.474498 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9588 mas, bmaj=2.076 mas, bpa=4.911 degrees ! Estimated noise=0.875694 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00114185 Jy ! Component: 100 - total flux cleaned = 0.00174937 Jy ! Component: 150 - total flux cleaned = 0.0019164 Jy ! Component: 200 - total flux cleaned = 0.00201215 Jy ! Total flux subtracted in 200 components = 0.00201215 Jy ! Clean residual min=-0.001636 max=0.001863 Jy/beam ! Clean residual mean=-0.000001 rms=0.000442 Jy/beam ! Combined flux in latest and established models = 0.253919 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 55 components and 0.253919 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=0.053562Jy sigma=0.474192 ! Fit after self-cal, rms=0.053577Jy sigma=0.474146 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 = 0.000328364 Jy ! Component: 100 - total flux cleaned = 0.000373041 Jy ! Component: 150 - total flux cleaned = 0.000424292 Jy ! Component: 200 - total flux cleaned = 0.000470172 Jy ! Total flux subtracted in 200 components = 0.000470172 Jy ! Clean residual min=-0.001644 max=0.001849 Jy/beam ! Clean residual mean=-0.000001 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.254389 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 58 components and 0.254389 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=0.053572Jy sigma=0.474066 ! Fit after self-cal, rms=0.053570Jy sigma=0.474059 ! 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=0.053570Jy sigma=0.474059 ! Fit after self-cal, rms=0.053471Jy sigma=0.472428 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9588 mas, bmaj=2.075 mas, bpa=4.886 degrees ! Estimated noise=0.876398 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000427953 Jy ! Component: 100 - total flux cleaned = 0.000454034 Jy ! Component: 150 - total flux cleaned = 0.000487083 Jy ! Component: 200 - total flux cleaned = 0.000516801 Jy ! Total flux subtracted in 200 components = 0.000516801 Jy ! Clean residual min=-0.001780 max=0.001708 Jy/beam ! Clean residual mean=-0.000000 rms=0.000401 Jy/beam ! Combined flux in latest and established models = 0.254906 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 59 components and 0.254906 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=0.053466Jy sigma=0.472354 ! Fit after self-cal, rms=0.053465Jy sigma=0.472343 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 = 5.87066e-05 Jy ! Component: 100 - total flux cleaned = 0.000108335 Jy ! Component: 150 - total flux cleaned = 0.000143882 Jy ! Component: 200 - total flux cleaned = 0.000168238 Jy ! Total flux subtracted in 200 components = 0.000168238 Jy ! Clean residual min=-0.001771 max=0.001702 Jy/beam ! Clean residual mean=-0.000000 rms=0.000400 Jy/beam ! Combined flux in latest and established models = 0.255074 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 64 components and 0.255074 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=0.053463Jy sigma=0.472309 ! Fit after self-cal, rms=0.053462Jy sigma=0.472307 ! 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=0.053462Jy sigma=0.472307 ! Fit after self-cal, rms=0.053508Jy sigma=0.472294 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.371 mas, bmaj=2.82 mas, bpa=-0.2865 degrees ! Estimated noise=1.05464 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000273618 Jy ! Component: 100 - total flux cleaned = 0.000296477 Jy ! Component: 150 - total flux cleaned = 0.00029665 Jy ! Component: 200 - total flux cleaned = 0.000296176 Jy ! Total flux subtracted in 200 components = 0.000296176 Jy ! Clean residual min=-0.001726 max=0.001597 Jy/beam ! Clean residual mean=-0.000000 rms=0.000437 Jy/beam ! Combined flux in latest and established models = 0.255371 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 71 components and 0.255371 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=0.053506Jy sigma=0.472293 ! Fit after self-cal, rms=0.053506Jy sigma=0.472282 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 = 8.61751e-06 Jy ! Component: 100 - total flux cleaned = 8.57391e-06 Jy ! Component: 150 - total flux cleaned = 2.02393e-06 Jy ! Component: 200 - total flux cleaned = 7.92633e-06 Jy ! Total flux subtracted in 200 components = 7.92633e-06 Jy ! Clean residual min=-0.001735 max=0.001583 Jy/beam ! Clean residual mean=-0.000000 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.255378 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 77 components and 0.255378 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=0.053505Jy sigma=0.472289 ! Fit after self-cal, rms=0.053505Jy sigma=0.472283 ! 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=0.9589 mas, bmaj=2.075 mas, bpa=4.874 degrees ! Estimated noise=0.87702 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9589 x 2.075 at 4.874 degrees (North through East) ! Clean map min=-0.0016887 max=0.20943 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=0.7346 mas, bmaj=1.82 mas, bpa=3.757 degrees ! Estimated noise=1.17704 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.158783 Jy ! Component: 100 - total flux cleaned = 0.200761 Jy ! Component: 150 - total flux cleaned = 0.21866 Jy ! Component: 200 - total flux cleaned = 0.229211 Jy ! Total flux subtracted in 200 components = 0.229211 Jy ! Clean residual min=-0.003250 max=0.005553 Jy/beam ! Clean residual mean=0.000002 rms=0.000825 Jy/beam ! Combined flux in latest and established models = 0.229211 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.229211 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9589 mas, bmaj=2.075 mas, bpa=4.874 degrees ! Estimated noise=0.87702 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 = 0.0094105 Jy ! Component: 100 - total flux cleaned = 0.0149522 Jy ! Component: 150 - total flux cleaned = 0.0184186 Jy ! Component: 200 - total flux cleaned = 0.0206724 Jy ! Total flux subtracted in 200 components = 0.0206724 Jy ! Clean residual min=-0.001786 max=0.001892 Jy/beam ! Clean residual mean=0.000000 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.249883 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 46 components and 0.249883 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=2.371 mas, bmaj=2.82 mas, bpa=-0.2865 degrees ! Estimated noise=1.05464 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00229316 Jy ! Component: 100 - total flux cleaned = 0.00347607 Jy ! Component: 150 - total flux cleaned = 0.00417611 Jy ! Component: 200 - total flux cleaned = 0.00460728 Jy ! Total flux subtracted in 200 components = 0.00460728 Jy ! Clean residual min=-0.001731 max=0.001703 Jy/beam ! Clean residual mean=-0.000000 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.25449 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 = 0.000134748 Jy ! Component: 100 - total flux cleaned = 0.000189596 Jy ! Component: 150 - total flux cleaned = 0.000250967 Jy ! Component: 200 - total flux cleaned = 0.000299102 Jy ! Total flux subtracted in 200 components = 0.000299102 Jy ! Clean residual min=-0.001722 max=0.001659 Jy/beam ! Clean residual mean=-0.000000 rms=0.000442 Jy/beam ! Combined flux in latest and established models = 0.254789 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 71 components and 0.254789 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9589 mas, bmaj=2.075 mas, bpa=4.874 degrees ! Estimated noise=0.87702 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000173211 Jy ! Component: 100 - total flux cleaned = -0.00010604 Jy ! Component: 150 - total flux cleaned = -4.80482e-05 Jy ! Component: 200 - total flux cleaned = -1.28174e-05 Jy ! Total flux subtracted in 200 components = -1.28174e-05 Jy ! Clean residual min=-0.001794 max=0.001709 Jy/beam ! Clean residual mean=-0.000000 rms=0.000404 Jy/beam ! Combined flux in latest and established models = 0.254777 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 81 components and 0.254777 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=0.053532Jy sigma=0.472500 ! Fit after self-cal, rms=0.053526Jy sigma=0.472465 wmodel J2253+1942_X_l_map.mod ! Writing 81 model components to file: J2253+1942_X_l_map.mod wobs J2253+1942_X_l_uvs.fits ! Writing UV FITS file: J2253+1942_X_l_uvs.fits wwins J2253+1942_X_l_map.win ! wwins: Wrote 2 windows to J2253+1942_X_l_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 = 0.000224253 Jy ! Component: 100 - total flux cleaned = 0.000497814 Jy ! Component: 150 - total flux cleaned = 0.0007002 Jy ! Component: 200 - total flux cleaned = 0.000810371 Jy ! Component: 250 - total flux cleaned = 0.000809221 Jy ! Component: 300 - total flux cleaned = 0.000861333 Jy ! Component: 350 - total flux cleaned = 0.000937576 Jy ! Component: 400 - total flux cleaned = 0.00106058 Jy ! Component: 450 - total flux cleaned = 0.00120507 Jy ! Component: 500 - total flux cleaned = 0.00141652 Jy ! Component: 550 - total flux cleaned = 0.00155467 Jy ! Component: 600 - total flux cleaned = 0.00171213 Jy ! Component: 650 - total flux cleaned = 0.00182251 Jy ! Component: 700 - total flux cleaned = 0.00193087 Jy ! Component: 750 - total flux cleaned = 0.00210097 Jy ! Component: 800 - total flux cleaned = 0.00220536 Jy ! Component: 850 - total flux cleaned = 0.00232867 Jy ! Component: 900 - total flux cleaned = 0.00243068 Jy ! Component: 950 - total flux cleaned = 0.00259139 Jy ! Component: 1000 - total flux cleaned = 0.00276918 Jy ! Component: 1050 - total flux cleaned = 0.0029057 Jy ! Component: 1100 - total flux cleaned = 0.00300176 Jy ! Component: 1150 - total flux cleaned = 0.00311596 Jy ! Component: 1200 - total flux cleaned = 0.00328519 Jy ! Component: 1250 - total flux cleaned = 0.00337829 Jy ! Component: 1300 - total flux cleaned = 0.00347027 Jy ! Component: 1350 - total flux cleaned = 0.00370683 Jy ! Component: 1400 - total flux cleaned = 0.0037607 Jy ! Component: 1450 - total flux cleaned = 0.0038323 Jy ! Component: 1500 - total flux cleaned = 0.00402671 Jy ! Component: 1550 - total flux cleaned = 0.00413163 Jy ! Component: 1600 - total flux cleaned = 0.00430446 Jy ! Component: 1650 - total flux cleaned = 0.00440722 Jy ! Component: 1700 - total flux cleaned = 0.00450901 Jy ! Component: 1750 - total flux cleaned = 0.00466019 Jy ! Component: 1800 - total flux cleaned = 0.00472667 Jy ! Component: 1850 - total flux cleaned = 0.00487503 Jy ! Component: 1900 - total flux cleaned = 0.0050056 Jy ! Component: 1950 - total flux cleaned = 0.0049731 Jy ! Component: 2000 - total flux cleaned = 0.00502122 Jy ! Component: 2050 - total flux cleaned = 0.00513246 Jy ! Component: 2100 - total flux cleaned = 0.00517969 Jy ! Component: 2150 - total flux cleaned = 0.00525772 Jy ! Component: 2200 - total flux cleaned = 0.00530417 Jy ! Component: 2250 - total flux cleaned = 0.00539674 Jy ! Component: 2300 - total flux cleaned = 0.00553431 Jy ! Component: 2350 - total flux cleaned = 0.00553408 Jy ! Component: 2400 - total flux cleaned = 0.00562446 Jy ! Component: 2450 - total flux cleaned = 0.00565428 Jy ! Component: 2500 - total flux cleaned = 0.00568402 Jy ! Component: 2550 - total flux cleaned = 0.0057427 Jy ! Component: 2600 - total flux cleaned = 0.00580112 Jy ! Component: 2650 - total flux cleaned = 0.00588832 Jy ! Component: 2700 - total flux cleaned = 0.00584508 Jy ! Component: 2750 - total flux cleaned = 0.00593098 Jy ! Component: 2800 - total flux cleaned = 0.0059737 Jy ! Component: 2850 - total flux cleaned = 0.00600198 Jy ! Component: 2900 - total flux cleaned = 0.00611435 Jy ! Component: 2950 - total flux cleaned = 0.00612837 Jy ! Component: 3000 - total flux cleaned = 0.00619789 Jy ! Component: 3050 - total flux cleaned = 0.00622546 Jy ! Component: 3100 - total flux cleaned = 0.00630753 Jy ! Component: 3150 - total flux cleaned = 0.00632117 Jy ! Component: 3200 - total flux cleaned = 0.00637523 Jy ! Component: 3250 - total flux cleaned = 0.00642905 Jy ! Component: 3300 - total flux cleaned = 0.00641567 Jy ! Component: 3350 - total flux cleaned = 0.00641569 Jy ! Component: 3400 - total flux cleaned = 0.00649513 Jy ! Component: 3450 - total flux cleaned = 0.00652152 Jy ! Component: 3500 - total flux cleaned = 0.00663893 Jy ! Component: 3550 - total flux cleaned = 0.00661287 Jy ! Component: 3600 - total flux cleaned = 0.00663874 Jy ! Component: 3650 - total flux cleaned = 0.00669022 Jy ! Component: 3700 - total flux cleaned = 0.00669028 Jy ! Component: 3750 - total flux cleaned = 0.00674113 Jy ! Component: 3800 - total flux cleaned = 0.00677891 Jy ! Component: 3850 - total flux cleaned = 0.00677897 Jy ! Component: 3900 - total flux cleaned = 0.00681645 Jy ! Component: 3950 - total flux cleaned = 0.00690337 Jy ! Component: 4000 - total flux cleaned = 0.00694052 Jy ! Component: 4050 - total flux cleaned = 0.00696508 Jy ! Total flux subtracted in 4096 components = 0.00698953 Jy ! Clean residual min=-0.000863 max=0.000750 Jy/beam ! Clean residual mean=-0.000000 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.261766 Jy keep ! Adding 279 model components to the UV plane model. ! The established model now contains 360 components and 0.261766 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2253+1942_X_l_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9589 x 2.075 at 4.874 degrees (North through East) ! Clean map min=-0.001369 max=0.20963 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2253+1942_X_l_map.fits wmodel /image_prod/ug002_uva//J2253+1942_X_l_map.mod ! Writing 360 model components to file: /image_prod/ug002_uva//J2253+1942_X_l_map.mod wobs /image_prod/ug002_uva//J2253+1942_X_l_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2253+1942_X_l_uvs.fits wwins /image_prod/ug002_uva//J2253+1942_X_l_map.win ! wwins: Wrote 3 windows to /image_prod/ug002_uva//J2253+1942_X_l_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.209625 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000209872 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.300353 0.300353 0.600707 1.20141 2.40283 4.80565 9.61131 19.2226 38.4452 76.8905 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.209 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 998.823 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2253+1942_X_l_dfm.log closed on Thu Mar 5 05:57:35 2020