! Started logfile: /image_prod/ug002_uva//J1657-2004_X_dfm.log on Thu Mar 5 03:02:03 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//J1657-2004_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1657-2004_X_uva.fits ! AN table 1: 50 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.786667 visibilities/baseline/integration-bin. ! Found source: J1657-2004 ! ! 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 16992 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 J1657-2004_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 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003944Jy sigma=8.554129 ! Fit after self-cal, rms=0.927063Jy sigma=7.888024 ! 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=0.6411 mas, bmaj=2.032 mas, bpa=6.564 degrees ! Estimated noise=1.40333 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 = 0.0521693 Jy ! Component: 100 - total flux cleaned = 0.0683408 Jy ! Total flux subtracted in 100 components = 0.0683408 Jy ! Clean residual min=-0.006655 max=0.012749 Jy/beam ! Clean residual mean=-0.000012 rms=0.001803 Jy/beam ! Combined flux in latest and established models = 0.0683409 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0683409 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=0.065266Jy sigma=0.520504 ! Fit after self-cal, rms=0.064608Jy sigma=0.516294 ! Inverting map ! Added new window around map position (2.6, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0130775 Jy ! Component: 100 - total flux cleaned = 0.0211304 Jy ! Total flux subtracted in 100 components = 0.0211304 Jy ! Clean residual min=-0.004843 max=0.006813 Jy/beam ! Clean residual mean=-0.000008 rms=0.001263 Jy/beam ! Combined flux in latest and established models = 0.0894713 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 17 components and 0.0894713 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=0.060920Jy sigma=0.480077 ! Fit after self-cal, rms=0.060674Jy sigma=0.477751 ! 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=0.8802 mas, bmaj=2.586 mas, bpa=7.884 degrees ! Estimated noise=0.652324 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 (5, 2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0113841 Jy ! Component: 100 - total flux cleaned = 0.0190861 Jy ! Component: 150 - total flux cleaned = 0.0244463 Jy ! Component: 200 - total flux cleaned = 0.0281917 Jy ! Total flux subtracted in 200 components = 0.0281917 Jy ! Clean residual min=-0.002754 max=0.004157 Jy/beam ! Clean residual mean=-0.000011 rms=0.000844 Jy/beam ! Combined flux in latest and established models = 0.117663 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 37 components and 0.117663 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=0.058165Jy sigma=0.453124 ! Fit after self-cal, rms=0.058070Jy sigma=0.452171 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8802 x 2.586 at 7.884 degrees (North through East) ! Clean map min=-0.0025544 max=0.0746 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.97 HN 1.10 KP 1.03 ! LA 1.01 MK 0.96 OV 0.95 PT 0.97 ! SC 1.04 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.99 HN 1.10 KP 1.06 ! LA 1.03 MK 1.02 OV 0.97 PT 0.93 ! SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.99 HN 1.10 KP 0.99 ! LA 1.03 MK 1.01 OV 0.97 PT 0.97 ! SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.98 HN 1.02 KP 1.04 ! LA 1.01 MK 1.03 OV 0.95 PT 0.97 ! SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.94 HN 0.98 KP 1.04 ! LA 1.07 MK 1.17 OV 0.97 PT 0.96 ! SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.02 HN 1.10 KP 1.06 ! LA 1.01 MK 0.92 OV 0.99 PT 0.90 ! SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.95 HN 1.02 KP 1.01 ! LA 1.04 MK 0.93 OV 0.99 PT 0.96 ! SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.99 HN 0.98 KP 1.02 ! LA 0.97 MK 0.98 OV 0.94 PT 0.99 ! SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.97 HN 1.07 KP 1.03 ! LA 0.99 MK 1.00 OV 1.00 PT 0.96 ! SC 1.06 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 0.98 HN 1.01 KP 1.01 ! LA 1.02 MK 0.97 OV 0.93 PT 1.00 ! SC 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.97 HN 1.10 KP 1.04 ! LA 0.98 MK 0.94 OV 1.00 PT 0.97 ! SC 1.09 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.94 HN 1.18 KP 0.99 ! LA 1.01 MK 0.93 OV 1.01 PT 0.97 ! SC 1.04 ! ! ! Fit before self-cal, rms=0.058070Jy sigma=0.452171 ! Fit after self-cal, rms=0.056651Jy sigma=0.449255 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8878 mas, bmaj=2.584 mas, bpa=8.003 degrees ! Estimated noise=0.63276 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 (9.6, 5.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00342613 Jy ! Component: 100 - total flux cleaned = 0.00552928 Jy ! Component: 150 - total flux cleaned = 0.00658009 Jy ! Component: 200 - total flux cleaned = 0.00677837 Jy ! Total flux subtracted in 200 components = 0.00677837 Jy ! Clean residual min=-0.001782 max=0.001969 Jy/beam ! Clean residual mean=-0.000002 rms=0.000518 Jy/beam ! Combined flux in latest and established models = 0.124441 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 57 components and 0.124441 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=0.056409Jy sigma=0.446946 ! Fit after self-cal, rms=0.056392Jy sigma=0.446589 ! 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=0.056392Jy sigma=0.446589 ! Fit after self-cal, rms=0.056099Jy sigma=0.445627 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8834 mas, bmaj=2.574 mas, bpa=7.996 degrees ! Estimated noise=0.631679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00168895 Jy ! Component: 100 - total flux cleaned = 0.0028484 Jy ! Component: 150 - total flux cleaned = 0.00321383 Jy ! Component: 200 - total flux cleaned = 0.0033399 Jy ! Total flux subtracted in 200 components = 0.0033399 Jy ! Clean residual min=-0.001454 max=0.001724 Jy/beam ! Clean residual mean=0.000000 rms=0.000413 Jy/beam ! Combined flux in latest and established models = 0.127781 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 81 components and 0.127781 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=0.056032Jy sigma=0.444970 ! Fit after self-cal, rms=0.056026Jy sigma=0.444879 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 (-38.2, -27). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00163746 Jy ! Component: 100 - total flux cleaned = 0.00241341 Jy ! Component: 150 - total flux cleaned = 0.00291046 Jy ! Component: 200 - total flux cleaned = 0.00333788 Jy ! Total flux subtracted in 200 components = 0.00333788 Jy ! Clean residual min=-0.001218 max=0.001438 Jy/beam ! Clean residual mean=0.000000 rms=0.000347 Jy/beam ! Combined flux in latest and established models = 0.131119 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 115 components and 0.131119 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=0.055970Jy sigma=0.444315 ! Fit after self-cal, rms=0.055965Jy sigma=0.444265 ! Inverting map ! Added new window around map position (-8, 33.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00126978 Jy ! Component: 100 - total flux cleaned = 0.00195339 Jy ! Component: 150 - total flux cleaned = 0.00224965 Jy ! Component: 200 - total flux cleaned = 0.00236027 Jy ! Total flux subtracted in 200 components = 0.00236027 Jy ! Clean residual min=-0.001181 max=0.001209 Jy/beam ! Clean residual mean=0.000001 rms=0.000307 Jy/beam ! Combined flux in latest and established models = 0.133479 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 134 components and 0.133479 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=0.055930Jy sigma=0.443908 ! Fit after self-cal, rms=0.055929Jy sigma=0.443887 ! 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=0.055929Jy sigma=0.443887 ! Fit after self-cal, rms=0.055786Jy sigma=0.443755 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8809 mas, bmaj=2.572 mas, bpa=8.036 degrees ! Estimated noise=0.63015 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000721479 Jy ! Component: 100 - total flux cleaned = 0.00111494 Jy ! Component: 150 - total flux cleaned = 0.00126848 Jy ! Component: 200 - total flux cleaned = 0.00135601 Jy ! Total flux subtracted in 200 components = 0.00135601 Jy ! Clean residual min=-0.001149 max=0.001178 Jy/beam ! Clean residual mean=0.000001 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.134835 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 148 components and 0.134835 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=0.055771Jy sigma=0.443616 ! Fit after self-cal, rms=0.055776Jy sigma=0.443602 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 = 0.00037177 Jy ! Component: 100 - total flux cleaned = 0.00042312 Jy ! Component: 150 - total flux cleaned = 0.000471154 Jy ! Component: 200 - total flux cleaned = 0.000500646 Jy ! Total flux subtracted in 200 components = 0.000500646 Jy ! Clean residual min=-0.001095 max=0.001120 Jy/beam ! Clean residual mean=0.000001 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.135336 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 160 components and 0.135336 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=0.055767Jy sigma=0.443526 ! Fit after self-cal, rms=0.055768Jy sigma=0.443523 ! 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=0.055768Jy sigma=0.443523 ! Fit after self-cal, rms=0.055751Jy sigma=0.443511 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.82 mas, bmaj=5.736 mas, bpa=14.86 degrees ! Estimated noise=0.750292 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000620429 Jy ! Component: 100 - total flux cleaned = 0.000795156 Jy ! Component: 150 - total flux cleaned = 0.000767445 Jy ! Component: 200 - total flux cleaned = 0.00072827 Jy ! Total flux subtracted in 200 components = 0.00072827 Jy ! Clean residual min=-0.001189 max=0.001483 Jy/beam ! Clean residual mean=0.000002 rms=0.000339 Jy/beam ! Combined flux in latest and established models = 0.136064 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 178 components and 0.136064 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=0.055746Jy sigma=0.443454 ! Fit after self-cal, rms=0.055744Jy sigma=0.443445 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 (21.6, 11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115671 Jy ! Component: 100 - total flux cleaned = 0.00130497 Jy ! Component: 150 - total flux cleaned = 0.00141818 Jy ! Component: 200 - total flux cleaned = 0.0015102 Jy ! Total flux subtracted in 200 components = 0.0015102 Jy ! Clean residual min=-0.000812 max=0.001015 Jy/beam ! Clean residual mean=0.000002 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.137575 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 210 components and 0.137575 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=0.055727Jy sigma=0.443236 ! Fit after self-cal, rms=0.055724Jy sigma=0.443212 ! 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=0.8798 mas, bmaj=2.569 mas, bpa=8.044 degrees ! Estimated noise=0.630082 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8798 x 2.569 at 8.044 degrees (North through East) ! Clean map min=-0.001031 max=0.072479 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=0.6391 mas, bmaj=2.018 mas, bpa=6.692 degrees ! Estimated noise=1.35755 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0506862 Jy ! Component: 100 - total flux cleaned = 0.0688784 Jy ! Component: 150 - total flux cleaned = 0.0807632 Jy ! Component: 200 - total flux cleaned = 0.0891762 Jy ! Total flux subtracted in 200 components = 0.0891762 Jy ! Clean residual min=-0.004492 max=0.005840 Jy/beam ! Clean residual mean=-0.000007 rms=0.001139 Jy/beam ! Combined flux in latest and established models = 0.0891763 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.0891763 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8798 mas, bmaj=2.569 mas, bpa=8.044 degrees ! Estimated noise=0.630082 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) ! Added new window around map position (0.8, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0105824 Jy ! Component: 100 - total flux cleaned = 0.0181117 Jy ! Component: 150 - total flux cleaned = 0.0237054 Jy ! Component: 200 - total flux cleaned = 0.0279723 Jy ! Total flux subtracted in 200 components = 0.0279723 Jy ! Clean residual min=-0.002491 max=0.003089 Jy/beam ! Clean residual mean=-0.000008 rms=0.000674 Jy/beam ! Combined flux in latest and established models = 0.117149 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 67 components and 0.117149 Jy ! Inverting map ! Added new window around map position (7.2, 3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00348264 Jy ! Component: 100 - total flux cleaned = 0.00612438 Jy ! Component: 150 - total flux cleaned = 0.00792379 Jy ! Component: 200 - total flux cleaned = 0.00950391 Jy ! Total flux subtracted in 200 components = 0.00950391 Jy ! Clean residual min=-0.001673 max=0.001769 Jy/beam ! Clean residual mean=-0.000004 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.126652 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 113 components and 0.126652 Jy ! Inverting map ! Added new window around map position (-2.4, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00151427 Jy ! Component: 100 - total flux cleaned = 0.00251782 Jy ! Component: 150 - total flux cleaned = 0.00339024 Jy ! Component: 200 - total flux cleaned = 0.00416437 Jy ! Total flux subtracted in 200 components = 0.00416437 Jy ! Clean residual min=-0.001224 max=0.001134 Jy/beam ! Clean residual mean=-0.000001 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.130817 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 157 components and 0.130817 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=2.82 mas, bmaj=5.736 mas, bpa=14.86 degrees ! Estimated noise=0.750292 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00133339 Jy ! Component: 100 - total flux cleaned = 0.00226127 Jy ! Component: 150 - total flux cleaned = 0.00295569 Jy ! Component: 200 - total flux cleaned = 0.00342443 Jy ! Total flux subtracted in 200 components = 0.00342443 Jy ! Clean residual min=-0.001016 max=0.001094 Jy/beam ! Clean residual mean=-0.000000 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.134241 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 = 0.000355921 Jy ! Component: 100 - total flux cleaned = 0.000602616 Jy ! Component: 150 - total flux cleaned = 0.00086362 Jy ! Component: 200 - total flux cleaned = 0.00106625 Jy ! Total flux subtracted in 200 components = 0.00106625 Jy ! Clean residual min=-0.000904 max=0.001039 Jy/beam ! Clean residual mean=0.000001 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.135308 Jy ! Adding 84 model components to the UV plane model. ! The established model now contains 230 components and 0.135307 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8798 mas, bmaj=2.569 mas, bpa=8.044 degrees ! Estimated noise=0.630082 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000232388 Jy ! Component: 100 - total flux cleaned = 0.000436756 Jy ! Component: 150 - total flux cleaned = 0.000554301 Jy ! Component: 200 - total flux cleaned = 0.000709373 Jy ! Total flux subtracted in 200 components = 0.000709373 Jy ! Clean residual min=-0.000907 max=0.000864 Jy/beam ! Clean residual mean=0.000000 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.136017 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 256 components and 0.136017 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=0.055716Jy sigma=0.443181 ! Fit after self-cal, rms=0.055712Jy sigma=0.443126 wmodel J1657-2004_X_map.mod ! Writing 256 model components to file: J1657-2004_X_map.mod wobs J1657-2004_X_uvs.fits ! Writing UV FITS file: J1657-2004_X_uvs.fits wwins J1657-2004_X_map.win ! wwins: Wrote 10 windows to J1657-2004_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 = -0.000147749 Jy ! Component: 100 - total flux cleaned = -0.000208359 Jy ! Component: 150 - total flux cleaned = -0.000280545 Jy ! Component: 200 - total flux cleaned = -0.000419279 Jy ! Component: 250 - total flux cleaned = -0.00057973 Jy ! Component: 300 - total flux cleaned = -0.000697027 Jy ! Component: 350 - total flux cleaned = -0.000836225 Jy ! Component: 400 - total flux cleaned = -0.00091014 Jy ! Component: 450 - total flux cleaned = -0.00101837 Jy ! Component: 500 - total flux cleaned = -0.00113578 Jy ! Component: 550 - total flux cleaned = -0.00125037 Jy ! Component: 600 - total flux cleaned = -0.00134008 Jy ! Component: 650 - total flux cleaned = -0.00138415 Jy ! Component: 700 - total flux cleaned = -0.00143835 Jy ! Component: 750 - total flux cleaned = -0.00154463 Jy ! Component: 800 - total flux cleaned = -0.00161766 Jy ! Component: 850 - total flux cleaned = -0.00168964 Jy ! Component: 900 - total flux cleaned = -0.00174023 Jy ! Component: 950 - total flux cleaned = -0.00180993 Jy ! Component: 1000 - total flux cleaned = -0.00185889 Jy ! Component: 1050 - total flux cleaned = -0.00189775 Jy ! Component: 1100 - total flux cleaned = -0.00197417 Jy ! Component: 1150 - total flux cleaned = -0.00201196 Jy ! Component: 1200 - total flux cleaned = -0.00206774 Jy ! Component: 1250 - total flux cleaned = -0.0021229 Jy ! Component: 1300 - total flux cleaned = -0.00217729 Jy ! Component: 1350 - total flux cleaned = -0.00221306 Jy ! Component: 1400 - total flux cleaned = -0.00222196 Jy ! Component: 1450 - total flux cleaned = -0.00223954 Jy ! Component: 1500 - total flux cleaned = -0.0022569 Jy ! Component: 1550 - total flux cleaned = -0.00224833 Jy ! Component: 1600 - total flux cleaned = -0.00224846 Jy ! Component: 1650 - total flux cleaned = -0.00224854 Jy ! Component: 1700 - total flux cleaned = -0.00225694 Jy ! Component: 1750 - total flux cleaned = -0.00226516 Jy ! Component: 1800 - total flux cleaned = -0.00227326 Jy ! Component: 1850 - total flux cleaned = -0.00228133 Jy ! Component: 1900 - total flux cleaned = -0.00229743 Jy ! Component: 1950 - total flux cleaned = -0.00228154 Jy ! Component: 2000 - total flux cleaned = -0.00229736 Jy ! Component: 2050 - total flux cleaned = -0.00230533 Jy ! Component: 2100 - total flux cleaned = -0.00233646 Jy ! Component: 2150 - total flux cleaned = -0.00234417 Jy ! Component: 2200 - total flux cleaned = -0.0023442 Jy ! Component: 2250 - total flux cleaned = -0.00235935 Jy ! Component: 2300 - total flux cleaned = -0.00240449 Jy ! Component: 2350 - total flux cleaned = -0.00240447 Jy ! Component: 2400 - total flux cleaned = -0.00239714 Jy ! Component: 2450 - total flux cleaned = -0.00241914 Jy ! Component: 2500 - total flux cleaned = -0.00240455 Jy ! Component: 2550 - total flux cleaned = -0.00241173 Jy ! Component: 2600 - total flux cleaned = -0.00239735 Jy ! Component: 2650 - total flux cleaned = -0.00241874 Jy ! Component: 2700 - total flux cleaned = -0.00240458 Jy ! Component: 2750 - total flux cleaned = -0.00239767 Jy ! Component: 2800 - total flux cleaned = -0.00238379 Jy ! Component: 2850 - total flux cleaned = -0.00237002 Jy ! Component: 2900 - total flux cleaned = -0.00237694 Jy ! Component: 2950 - total flux cleaned = -0.00238372 Jy ! Component: 3000 - total flux cleaned = -0.00237695 Jy ! Component: 3050 - total flux cleaned = -0.0023769 Jy ! Component: 3100 - total flux cleaned = -0.00238362 Jy ! Component: 3150 - total flux cleaned = -0.00238365 Jy ! Component: 3200 - total flux cleaned = -0.00240999 Jy ! Component: 3250 - total flux cleaned = -0.00243622 Jy ! Component: 3300 - total flux cleaned = -0.00244273 Jy ! Component: 3350 - total flux cleaned = -0.00244278 Jy ! Component: 3400 - total flux cleaned = -0.00244921 Jy ! Component: 3450 - total flux cleaned = -0.00246201 Jy ! Component: 3500 - total flux cleaned = -0.00248113 Jy ! Component: 3550 - total flux cleaned = -0.00250005 Jy ! Component: 3600 - total flux cleaned = -0.00251887 Jy ! Component: 3650 - total flux cleaned = -0.00253133 Jy ! Component: 3700 - total flux cleaned = -0.00256235 Jy ! Component: 3750 - total flux cleaned = -0.00255621 Jy ! Component: 3800 - total flux cleaned = -0.00256843 Jy ! Component: 3850 - total flux cleaned = -0.00258061 Jy ! Component: 3900 - total flux cleaned = -0.0026109 Jy ! Component: 3950 - total flux cleaned = -0.00262894 Jy ! Component: 4000 - total flux cleaned = -0.00265292 Jy ! Component: 4050 - total flux cleaned = -0.00267074 Jy ! Total flux subtracted in 4096 components = -0.00269441 Jy ! Clean residual min=-0.000383 max=0.000372 Jy/beam ! Clean residual mean=0.000000 rms=0.000100 Jy/beam ! Combined flux in latest and established models = 0.133322 Jy keep ! Adding 237 model components to the UV plane model. ! The established model now contains 493 components and 0.133322 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1657-2004_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8798 x 2.569 at 8.044 degrees (North through East) ! Clean map min=-0.00078133 max=0.069898 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1657-2004_X_map.fits wmodel /image_prod/ug002_uva//J1657-2004_X_map.mod ! Writing 493 model components to file: /image_prod/ug002_uva//J1657-2004_X_map.mod wobs /image_prod/ug002_uva//J1657-2004_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1657-2004_X_uvs.fits wwins /image_prod/ug002_uva//J1657-2004_X_map.win ! wwins: Wrote 11 windows to /image_prod/ug002_uva//J1657-2004_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0698979 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 9.99922e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.429164 0.429164 0.858328 1.71666 3.43331 6.86662 13.7332 27.4665 54.933 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.069 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 699.033 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1657-2004_X_dfm.log closed on Thu Mar 5 03:02:08 2020