! Started logfile: /image_prod/ug002_uva//J0731+2451_X_dfm.log on Wed Mar 4 21:51:28 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//J0731+2451_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J0731+2451_X_uva.fits ! AN table 1: 75 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.920296 visibilities/baseline/integration-bin. ! Found source: J0731+2451 ! ! 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 37272 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 J0731+2451_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 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.010125Jy sigma=9.121224 ! Fit after self-cal, rms=0.876170Jy sigma=7.872679 ! 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=0.7233 mas, bmaj=1.521 mas, bpa=-2.463 degrees ! Estimated noise=0.877291 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 = 0.0957014 Jy ! Component: 100 - total flux cleaned = 0.124114 Jy ! Total flux subtracted in 100 components = 0.124114 Jy ! Clean residual min=-0.005082 max=0.013899 Jy/beam ! Clean residual mean=-0.000005 rms=0.001270 Jy/beam ! Combined flux in latest and established models = 0.124114 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.124114 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=0.070557Jy sigma=0.541392 ! Fit after self-cal, rms=0.070513Jy sigma=0.540947 ! Inverting map ! Added new window around map position (0.8, 2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0148759 Jy ! Component: 100 - total flux cleaned = 0.0232943 Jy ! Total flux subtracted in 100 components = 0.0232943 Jy ! Clean residual min=-0.003729 max=0.006359 Jy/beam ! Clean residual mean=-0.000002 rms=0.000896 Jy/beam ! Combined flux in latest and established models = 0.147408 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 11 components and 0.147408 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=0.067155Jy sigma=0.501337 ! Fit after self-cal, rms=0.066984Jy sigma=0.499641 ! Inverting map ! Added new window around map position (2.2, 1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00703553 Jy ! Component: 100 - total flux cleaned = 0.0116808 Jy ! Total flux subtracted in 100 components = 0.0116808 Jy ! Clean residual min=-0.003470 max=0.003743 Jy/beam ! Clean residual mean=-0.000001 rms=0.000754 Jy/beam ! Combined flux in latest and established models = 0.159089 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 22 components and 0.159089 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=0.066107Jy sigma=0.488975 ! Fit after self-cal, rms=0.066051Jy sigma=0.488351 ! 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=0.9158 mas, bmaj=1.849 mas, bpa=-2.564 degrees ! Estimated noise=0.419158 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 = 0.00502376 Jy ! Component: 100 - total flux cleaned = 0.00806759 Jy ! Component: 150 - total flux cleaned = 0.0102288 Jy ! Component: 200 - total flux cleaned = 0.0118057 Jy ! Total flux subtracted in 200 components = 0.0118057 Jy ! Clean residual min=-0.003184 max=0.003667 Jy/beam ! Clean residual mean=0.000001 rms=0.000712 Jy/beam ! Combined flux in latest and established models = 0.170894 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 37 components and 0.170894 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=0.065636Jy sigma=0.483647 ! Fit after self-cal, rms=0.065593Jy sigma=0.483103 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9158 x 1.849 at -2.564 degrees (North through East) ! Clean map min=-0.0029996 max=0.12426 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 HN 1.00 KP 1.07 ! LA 1.07 MK 1.04 NL 1.11 OV 0.92 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 HN 0.99 KP 1.04 ! LA 1.06 MK 1.01 NL 1.07 OV 0.90 ! PT 0.91 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.99 KP 1.08 ! LA 1.05 MK 1.03 NL 1.11 OV 0.90 ! PT 0.91 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.97 KP 1.08 ! LA 1.06 MK 1.04 NL 1.08 OV 0.91 ! PT 0.92 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.06 HN 0.95 KP 1.09 ! LA 1.01 MK 1.02 NL 1.13 OV 0.91 ! PT 0.90 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.04 HN 1.01 KP 1.05 ! LA 1.04 MK 1.06 NL 1.11 OV 0.90 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 1.02 KP 1.06 ! LA 1.03 MK 1.04 NL 1.07 OV 0.91 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 0.97 KP 1.08 ! LA 1.06 MK 1.00 NL 1.12 OV 0.88 ! PT 0.90 SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 0.99 KP 1.07 ! LA 1.04 MK 1.03 NL 1.12 OV 0.91 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HN 0.97 KP 1.08 ! LA 1.05 MK 1.04 NL 1.10 OV 0.91 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.01 HN 0.98 KP 1.10 ! LA 1.05 MK 1.01 NL 1.08 OV 0.91 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 0.98 KP 1.05 ! LA 1.04 MK 1.03 NL 1.06 OV 0.91 ! PT 0.92 SC 1.01 ! ! ! Fit before self-cal, rms=0.065593Jy sigma=0.483103 ! Fit after self-cal, rms=0.063578Jy sigma=0.471246 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9185 mas, bmaj=1.846 mas, bpa=-1.84 degrees ! Estimated noise=0.419802 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 = -0.000316029 Jy ! Component: 100 - total flux cleaned = -0.000501727 Jy ! Component: 150 - total flux cleaned = -0.000536943 Jy ! Component: 200 - total flux cleaned = -0.000603469 Jy ! Total flux subtracted in 200 components = -0.000603469 Jy ! Clean residual min=-0.001473 max=0.001729 Jy/beam ! Clean residual mean=-0.000001 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.170291 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 48 components and 0.170291 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=0.063511Jy sigma=0.470764 ! Fit after self-cal, rms=0.063501Jy sigma=0.470612 ! Inverting map ! Added new window around map position (0.6, -13.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000954379 Jy ! Component: 100 - total flux cleaned = 0.000884137 Jy ! Component: 150 - total flux cleaned = 0.000853863 Jy ! Component: 200 - total flux cleaned = 0.00082498 Jy ! Total flux subtracted in 200 components = 0.00082498 Jy ! Clean residual min=-0.001400 max=0.001422 Jy/beam ! Clean residual mean=-0.000000 rms=0.000318 Jy/beam ! Combined flux in latest and established models = 0.171116 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 63 components and 0.171116 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=0.063439Jy sigma=0.470245 ! Fit after self-cal, rms=0.063439Jy sigma=0.470215 ! 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=0.063439Jy sigma=0.470215 ! Fit after self-cal, rms=0.066791Jy sigma=0.467465 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9202 mas, bmaj=1.839 mas, bpa=-1.996 degrees ! Estimated noise=0.420747 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000111291 Jy ! Component: 100 - total flux cleaned = 0.000112275 Jy ! Component: 150 - total flux cleaned = 0.000150648 Jy ! Component: 200 - total flux cleaned = 0.00016757 Jy ! Total flux subtracted in 200 components = 0.00016757 Jy ! Clean residual min=-0.000881 max=0.000945 Jy/beam ! Clean residual mean=0.000000 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.171283 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 80 components and 0.171283 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=0.066776Jy sigma=0.467334 ! Fit after self-cal, rms=0.066812Jy sigma=0.467306 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 (-18, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000208144 Jy ! Component: 100 - total flux cleaned = -3.24461e-05 Jy ! Component: 150 - total flux cleaned = -7.36664e-05 Jy ! Component: 200 - total flux cleaned = -5.57637e-05 Jy ! Total flux subtracted in 200 components = -5.57637e-05 Jy ! Clean residual min=-0.000832 max=0.000898 Jy/beam ! Clean residual mean=0.000000 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.171228 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 103 components and 0.171228 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=0.066794Jy sigma=0.467138 ! Fit after self-cal, rms=0.066791Jy sigma=0.467133 ! Inverting map ! Added new window around map position (10.8, 9.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000409647 Jy ! Component: 100 - total flux cleaned = 0.000467233 Jy ! Component: 150 - total flux cleaned = 0.000483915 Jy ! Component: 200 - total flux cleaned = 0.000452554 Jy ! Total flux subtracted in 200 components = 0.000452554 Jy ! Clean residual min=-0.000836 max=0.000808 Jy/beam ! Clean residual mean=0.000000 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.17168 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 122 components and 0.17168 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=0.066778Jy sigma=0.467007 ! Fit after self-cal, rms=0.066777Jy sigma=0.467002 ! 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=0.066777Jy sigma=0.467002 ! Fit after self-cal, rms=0.067300Jy sigma=0.466907 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.921 mas, bmaj=1.837 mas, bpa=-1.951 degrees ! Estimated noise=0.420921 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.66854e-05 Jy ! Component: 100 - total flux cleaned = -3.23931e-06 Jy ! Component: 150 - total flux cleaned = 1.21791e-05 Jy ! Component: 200 - total flux cleaned = 1.22267e-05 Jy ! Total flux subtracted in 200 components = 1.22267e-05 Jy ! Clean residual min=-0.000866 max=0.000800 Jy/beam ! Clean residual mean=0.000001 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.171693 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 136 components and 0.171693 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=0.067292Jy sigma=0.466839 ! Fit after self-cal, rms=0.067295Jy sigma=0.466835 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 = 2.87436e-05 Jy ! Component: 100 - total flux cleaned = 4.26885e-05 Jy ! Component: 150 - total flux cleaned = 2.96513e-05 Jy ! Component: 200 - total flux cleaned = 4.45916e-06 Jy ! Total flux subtracted in 200 components = 4.45916e-06 Jy ! Clean residual min=-0.000869 max=0.000806 Jy/beam ! Clean residual mean=0.000001 rms=0.000188 Jy/beam ! Combined flux in latest and established models = 0.171697 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 143 components and 0.171697 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=0.067289Jy sigma=0.466793 ! Fit after self-cal, rms=0.067289Jy sigma=0.466792 ! 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=0.067289Jy sigma=0.466792 ! Fit after self-cal, rms=0.067311Jy sigma=0.466788 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.117 mas, bmaj=2.846 mas, bpa=-3.329 degrees ! Estimated noise=0.500535 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000294167 Jy ! Component: 100 - total flux cleaned = 0.000365997 Jy ! Component: 150 - total flux cleaned = 0.00031677 Jy ! Component: 200 - total flux cleaned = 0.000260868 Jy ! Total flux subtracted in 200 components = 0.000260868 Jy ! Clean residual min=-0.000754 max=0.000795 Jy/beam ! Clean residual mean=0.000001 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.171958 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 156 components and 0.171958 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=0.067310Jy sigma=0.466763 ! Fit after self-cal, rms=0.067310Jy sigma=0.466760 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 = 6.55654e-05 Jy ! Component: 100 - total flux cleaned = 2.56396e-05 Jy ! Component: 150 - total flux cleaned = 2.61466e-05 Jy ! Component: 200 - total flux cleaned = 1.70485e-05 Jy ! Total flux subtracted in 200 components = 1.70485e-05 Jy ! Clean residual min=-0.000742 max=0.000774 Jy/beam ! Clean residual mean=0.000001 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.171975 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 163 components and 0.171975 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=0.067310Jy sigma=0.466749 ! Fit after self-cal, rms=0.067310Jy sigma=0.466748 ! 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=0.9213 mas, bmaj=1.837 mas, bpa=-1.937 degrees ! Estimated noise=0.42077 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9213 x 1.837 at -1.937 degrees (North through East) ! Clean map min=-0.00079607 max=0.12441 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=0.7264 mas, bmaj=1.507 mas, bpa=-1.825 degrees ! Estimated noise=0.881691 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0958546 Jy ! Component: 100 - total flux cleaned = 0.124779 Jy ! Component: 150 - total flux cleaned = 0.139704 Jy ! Component: 200 - total flux cleaned = 0.14833 Jy ! Total flux subtracted in 200 components = 0.14833 Jy ! Clean residual min=-0.002438 max=0.004541 Jy/beam ! Clean residual mean=-0.000004 rms=0.000625 Jy/beam ! Combined flux in latest and established models = 0.14833 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.14833 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9213 mas, bmaj=1.837 mas, bpa=-1.937 degrees ! Estimated noise=0.42077 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 = 0.00750989 Jy ! Component: 100 - total flux cleaned = 0.01217 Jy ! Component: 150 - total flux cleaned = 0.0152138 Jy ! Component: 200 - total flux cleaned = 0.0173103 Jy ! Total flux subtracted in 200 components = 0.0173103 Jy ! Clean residual min=-0.001115 max=0.001177 Jy/beam ! Clean residual mean=-0.000001 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.165641 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 43 components and 0.165641 Jy ! Inverting map ! Added new window around map position (2.4, 3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00150806 Jy ! Component: 100 - total flux cleaned = 0.00270624 Jy ! Component: 150 - total flux cleaned = 0.00371748 Jy ! Component: 200 - total flux cleaned = 0.00434843 Jy ! Total flux subtracted in 200 components = 0.00434843 Jy ! Clean residual min=-0.001023 max=0.000878 Jy/beam ! Clean residual mean=-0.000000 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.169989 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 71 components and 0.169989 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=2.117 mas, bmaj=2.846 mas, bpa=-3.329 degrees ! Estimated noise=0.500535 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00092056 Jy ! Component: 100 - total flux cleaned = 0.00125588 Jy ! Component: 150 - total flux cleaned = 0.00148275 Jy ! Component: 200 - total flux cleaned = 0.0016001 Jy ! Total flux subtracted in 200 components = 0.0016001 Jy ! Clean residual min=-0.000810 max=0.000885 Jy/beam ! Clean residual mean=0.000001 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.171589 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) ! Added new window around map position (42.8, -40.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000763004 Jy ! Component: 100 - total flux cleaned = 0.00100723 Jy ! Component: 150 - total flux cleaned = 0.00116442 Jy ! Component: 200 - total flux cleaned = 0.00125937 Jy ! Total flux subtracted in 200 components = 0.00125937 Jy ! Clean residual min=-0.000799 max=0.000699 Jy/beam ! Clean residual mean=-0.000000 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.172849 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 141 components and 0.172849 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9213 mas, bmaj=1.837 mas, bpa=-1.937 degrees ! Estimated noise=0.42077 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.92657e-05 Jy ! Component: 100 - total flux cleaned = 0.000158162 Jy ! Component: 150 - total flux cleaned = 0.000180024 Jy ! Component: 200 - total flux cleaned = 0.000219685 Jy ! Total flux subtracted in 200 components = 0.000219685 Jy ! Clean residual min=-0.000971 max=0.000763 Jy/beam ! Clean residual mean=-0.000000 rms=0.000182 Jy/beam ! Combined flux in latest and established models = 0.173068 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 171 components and 0.173068 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=0.067321Jy sigma=0.466765 ! Fit after self-cal, rms=0.067313Jy sigma=0.466719 wmodel J0731+2451_X_map.mod ! Writing 171 model components to file: J0731+2451_X_map.mod wobs J0731+2451_X_uvs.fits ! Writing UV FITS file: J0731+2451_X_uvs.fits wwins J0731+2451_X_map.win ! wwins: Wrote 8 windows to J0731+2451_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 = -0.000333766 Jy ! Component: 100 - total flux cleaned = -0.000375228 Jy ! Component: 150 - total flux cleaned = -0.000375585 Jy ! Component: 200 - total flux cleaned = -0.000400482 Jy ! Component: 250 - total flux cleaned = -0.000424847 Jy ! Component: 300 - total flux cleaned = -0.000401158 Jy ! Component: 350 - total flux cleaned = -0.000366488 Jy ! Component: 400 - total flux cleaned = -0.00036662 Jy ! Component: 450 - total flux cleaned = -0.00032182 Jy ! Component: 500 - total flux cleaned = -0.000266581 Jy ! Component: 550 - total flux cleaned = -0.000190213 Jy ! Component: 600 - total flux cleaned = -0.000147297 Jy ! Component: 650 - total flux cleaned = -0.000125929 Jy ! Component: 700 - total flux cleaned = -6.27891e-05 Jy ! Component: 750 - total flux cleaned = -7.33191e-05 Jy ! Component: 800 - total flux cleaned = -3.19724e-05 Jy ! Component: 850 - total flux cleaned = -1.14838e-06 Jy ! Component: 900 - total flux cleaned = 9.05309e-06 Jy ! Component: 950 - total flux cleaned = 5.92506e-05 Jy ! Component: 1000 - total flux cleaned = 7.91523e-05 Jy ! Component: 1050 - total flux cleaned = 0.000138179 Jy ! Component: 1100 - total flux cleaned = 0.000157683 Jy ! Component: 1150 - total flux cleaned = 0.000206076 Jy ! Component: 1200 - total flux cleaned = 0.000206209 Jy ! Component: 1250 - total flux cleaned = 0.000272812 Jy ! Component: 1300 - total flux cleaned = 0.000320041 Jy ! Component: 1350 - total flux cleaned = 0.000366823 Jy ! Component: 1400 - total flux cleaned = 0.000394685 Jy ! Component: 1450 - total flux cleaned = 0.000385469 Jy ! Component: 1500 - total flux cleaned = 0.000440562 Jy ! Component: 1550 - total flux cleaned = 0.000476961 Jy ! Component: 1600 - total flux cleaned = 0.000486108 Jy ! Component: 1650 - total flux cleaned = 0.000513098 Jy ! Component: 1700 - total flux cleaned = 0.000522015 Jy ! Component: 1750 - total flux cleaned = 0.000584157 Jy ! Component: 1800 - total flux cleaned = 0.000601702 Jy ! Component: 1850 - total flux cleaned = 0.000627916 Jy ! Component: 1900 - total flux cleaned = 0.000671428 Jy ! Component: 1950 - total flux cleaned = 0.000706015 Jy ! Component: 2000 - total flux cleaned = 0.000731672 Jy ! Component: 2050 - total flux cleaned = 0.000765763 Jy ! Component: 2100 - total flux cleaned = 0.000808172 Jy ! Component: 2150 - total flux cleaned = 0.00085024 Jy ! Component: 2200 - total flux cleaned = 0.000883648 Jy ! Component: 2250 - total flux cleaned = 0.00086697 Jy ! Component: 2300 - total flux cleaned = 0.000883623 Jy ! Component: 2350 - total flux cleaned = 0.000941204 Jy ! Component: 2400 - total flux cleaned = 0.000957587 Jy ! Component: 2450 - total flux cleaned = 0.000973861 Jy ! Component: 2500 - total flux cleaned = 0.00100625 Jy ! Component: 2550 - total flux cleaned = 0.00102238 Jy ! Component: 2600 - total flux cleaned = 0.00103045 Jy ! Component: 2650 - total flux cleaned = 0.00107034 Jy ! Component: 2700 - total flux cleaned = 0.00110215 Jy ! Component: 2750 - total flux cleaned = 0.00110215 Jy ! Component: 2800 - total flux cleaned = 0.00115716 Jy ! Component: 2850 - total flux cleaned = 0.00118057 Jy ! Component: 2900 - total flux cleaned = 0.00121164 Jy ! Component: 2950 - total flux cleaned = 0.00121937 Jy ! Component: 3000 - total flux cleaned = 0.00128085 Jy ! Component: 3050 - total flux cleaned = 0.00130373 Jy ! Component: 3100 - total flux cleaned = 0.0012809 Jy ! Component: 3150 - total flux cleaned = 0.0013339 Jy ! Component: 3200 - total flux cleaned = 0.00131894 Jy ! Component: 3250 - total flux cleaned = 0.00135642 Jy ! Component: 3300 - total flux cleaned = 0.0014086 Jy ! Component: 3350 - total flux cleaned = 0.00141598 Jy ! Component: 3400 - total flux cleaned = 0.00142336 Jy ! Component: 3450 - total flux cleaned = 0.0014307 Jy ! Component: 3500 - total flux cleaned = 0.00149657 Jy ! Component: 3550 - total flux cleaned = 0.00148928 Jy ! Component: 3600 - total flux cleaned = 0.00152556 Jy ! Component: 3650 - total flux cleaned = 0.00156156 Jy ! Component: 3700 - total flux cleaned = 0.00156873 Jy ! Component: 3750 - total flux cleaned = 0.00157587 Jy ! Component: 3800 - total flux cleaned = 0.00156876 Jy ! Component: 3850 - total flux cleaned = 0.00156877 Jy ! Component: 3900 - total flux cleaned = 0.00156886 Jy ! Component: 3950 - total flux cleaned = 0.00158997 Jy ! Component: 4000 - total flux cleaned = 0.00158995 Jy ! Component: 4050 - total flux cleaned = 0.00161783 Jy ! Total flux subtracted in 4096 components = 0.00163169 Jy ! Clean residual min=-0.000428 max=0.000428 Jy/beam ! Clean residual mean=0.000000 rms=0.000119 Jy/beam ! Combined flux in latest and established models = 0.1747 Jy keep ! Adding 280 model components to the UV plane model. ! The established model now contains 451 components and 0.1747 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J0731+2451_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9213 x 1.837 at -1.937 degrees (North through East) ! Clean map min=-0.00071273 max=0.12456 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J0731+2451_X_map.fits wmodel /image_prod/ug002_uva//J0731+2451_X_map.mod ! Writing 451 model components to file: /image_prod/ug002_uva//J0731+2451_X_map.mod wobs /image_prod/ug002_uva//J0731+2451_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J0731+2451_X_uvs.fits wwins /image_prod/ug002_uva//J0731+2451_X_map.win ! wwins: Wrote 9 windows to /image_prod/ug002_uva//J0731+2451_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.124563 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000118779 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.28607 0.28607 0.572139 1.14428 2.28856 4.57711 9.15423 18.3085 36.6169 73.2338 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.124 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1048.69 quit ! Quitting program ! Log file /image_prod/ug002_uva//J0731+2451_X_dfm.log closed on Wed Mar 4 21:51:33 2020