! Started logfile: /image_prod/ug002_uva//J1838+4802_X_b_dfm.log on Thu Mar 5 03:52:06 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//J1838+4802_X_b_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1838+4802_X_b_uva.fits ! AN table 1: 75 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.851852 visibilities/baseline/integration-bin. ! Found source: J1838+4802 ! ! 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 27600 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 J1838+4802_X_b] 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=1.002075Jy sigma=10.030513 ! Fit after self-cal, rms=0.974246Jy sigma=9.745841 ! 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=0.7861 mas, bmaj=1.058 mas, bpa=-17.88 degrees ! Estimated noise=1.01878 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 = 0.0224986 Jy ! Component: 100 - total flux cleaned = 0.0276657 Jy ! Total flux subtracted in 100 components = 0.0276657 Jy ! Clean residual min=-0.004669 max=0.003255 Jy/beam ! Clean residual mean=0.000001 rms=0.000807 Jy/beam ! Combined flux in latest and established models = 0.0276657 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0276657 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=0.051797Jy sigma=0.504784 ! Fit after self-cal, rms=0.049898Jy sigma=0.485572 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00442624 Jy ! Component: 100 - total flux cleaned = 0.00621244 Jy ! Total flux subtracted in 100 components = 0.00621244 Jy ! Clean residual min=-0.004422 max=0.003301 Jy/beam ! Clean residual mean=0.000001 rms=0.000766 Jy/beam ! Combined flux in latest and established models = 0.0338781 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0338781 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=0.049807Jy sigma=0.484214 ! Fit after self-cal, rms=0.049779Jy sigma=0.483905 ! 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=1.073 mas, bmaj=1.42 mas, bpa=-17.89 degrees ! Estimated noise=0.430881 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 = -0.00191988 Jy ! Component: 100 - total flux cleaned = -0.00285193 Jy ! Component: 150 - total flux cleaned = -0.00331834 Jy ! Component: 200 - total flux cleaned = -0.00342588 Jy ! Total flux subtracted in 200 components = -0.00342588 Jy ! Clean residual min=-0.004166 max=0.002257 Jy/beam ! Clean residual mean=0.000000 rms=0.000596 Jy/beam ! Combined flux in latest and established models = 0.0304522 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 12 components and 0.0304522 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=0.049707Jy sigma=0.483231 ! Fit after self-cal, rms=0.049671Jy sigma=0.483083 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.073 x 1.42 at -17.89 degrees (North through East) ! Clean map min=-0.0039498 max=0.030903 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.12 KP 1.12 LA 1.31 ! MK 1.15 NL 0.61 OV 1.10 PT 1.08 ! SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 FD 1.25 KP 1.15 LA 1.23 ! MK 1.10 NL 0.63 OV 1.12 PT 1.04 ! SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.13 KP 1.28 LA 1.13 ! MK 1.25 NL 0.68 OV 1.10 PT 1.09 ! SC 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.20 KP 1.10 LA 1.16 ! MK 1.09 NL 0.63 OV 1.24 PT 1.12 ! SC 0.90 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.22 KP 1.25 LA 1.21 ! MK 1.10 NL 0.57 OV 1.06 PT 1.06 ! SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.28 KP 1.15 LA 1.28 ! MK 1.04 NL 0.63 OV 1.19 PT 1.10 ! SC 0.82 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.09 KP 1.20 LA 1.14 ! MK 1.05 NL 0.61 OV 1.11 PT 1.05 ! SC 0.92 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 KP 1.21 LA 1.24 ! MK 1.03 NL 0.63 OV 1.12 PT 1.03 ! SC 0.88 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.08 KP 1.14 LA 1.06 ! MK 1.19 NL 0.58 OV 1.09 PT 1.17 ! SC 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.11 KP 1.21 LA 1.28 ! MK 0.98 NL 0.51 OV 1.23 PT 1.19 ! SC 0.80 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.05 KP 1.15 LA 1.14 ! MK 1.05 NL 0.54 OV 1.18 PT 1.04 ! SC 0.84 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.10 KP 1.16 LA 1.13 ! MK 1.00 NL 0.54 OV 1.18 PT 0.96 ! SC 0.92 ! ! ! Fit before self-cal, rms=0.049671Jy sigma=0.483083 ! Fit after self-cal, rms=0.049133Jy sigma=0.471135 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.061 mas, bmaj=1.371 mas, bpa=-18.54 degrees ! Estimated noise=0.427015 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 (-0.4, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103339 Jy ! Component: 100 - total flux cleaned = 0.00141861 Jy ! Component: 150 - total flux cleaned = 0.00156761 Jy ! Component: 200 - total flux cleaned = 0.00168214 Jy ! Total flux subtracted in 200 components = 0.00168214 Jy ! Clean residual min=-0.000989 max=0.000853 Jy/beam ! Clean residual mean=-0.000001 rms=0.000193 Jy/beam ! Combined flux in latest and established models = 0.0321344 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 33 components and 0.0321344 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=0.049109Jy sigma=0.470902 ! Fit after self-cal, rms=0.050645Jy sigma=0.464383 ! 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=0.050645Jy sigma=0.464383 ! Fit after self-cal, rms=0.059822Jy sigma=0.459856 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.068 mas, bmaj=1.389 mas, bpa=-21.5 degrees ! Estimated noise=0.440785 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000654283 Jy ! Component: 100 - total flux cleaned = 0.000812963 Jy ! Component: 150 - total flux cleaned = 0.000891596 Jy ! Component: 200 - total flux cleaned = 0.000972524 Jy ! Total flux subtracted in 200 components = 0.000972524 Jy ! Clean residual min=-0.000920 max=0.000787 Jy/beam ! Clean residual mean=-0.000004 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.0331069 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 47 components and 0.0331069 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=0.059808Jy sigma=0.459781 ! Fit after self-cal, rms=0.061441Jy sigma=0.457160 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 = -0.00190935 Jy ! Component: 100 - total flux cleaned = -0.00289097 Jy ! Component: 150 - total flux cleaned = -0.00330415 Jy ! Component: 200 - total flux cleaned = -0.00336883 Jy ! Total flux subtracted in 200 components = -0.00336883 Jy ! Clean residual min=-0.001408 max=0.001004 Jy/beam ! Clean residual mean=-0.000005 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.0297381 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 58 components and 0.0297381 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=0.061338Jy sigma=0.456777 ! Fit after self-cal, rms=0.061666Jy sigma=0.456386 ! 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=0.061666Jy sigma=0.456386 ! Fit after self-cal, rms=0.072668Jy sigma=0.454891 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.089 mas, bmaj=1.397 mas, bpa=-23.3 degrees ! Estimated noise=0.451396 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000516188 Jy ! Component: 100 - total flux cleaned = 0.000731156 Jy ! Component: 150 - total flux cleaned = 0.000886304 Jy ! Component: 200 - total flux cleaned = 0.000995631 Jy ! Total flux subtracted in 200 components = 0.000995631 Jy ! Clean residual min=-0.000861 max=0.000910 Jy/beam ! Clean residual mean=-0.000004 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.0307337 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 66 components and 0.0307337 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=0.072657Jy sigma=0.454858 ! Fit after self-cal, rms=0.073674Jy sigma=0.454014 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 = -0.00127728 Jy ! Component: 100 - total flux cleaned = -0.00192938 Jy ! Component: 150 - total flux cleaned = -0.00206163 Jy ! Component: 200 - total flux cleaned = -0.00210918 Jy ! Total flux subtracted in 200 components = -0.00210918 Jy ! Clean residual min=-0.001066 max=0.001048 Jy/beam ! Clean residual mean=-0.000004 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.0286245 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 69 components and 0.0286245 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=0.073622Jy sigma=0.454003 ! Fit after self-cal, rms=0.073792Jy sigma=0.453913 ! 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=0.073792Jy sigma=0.453913 ! Fit after self-cal, rms=0.086253Jy sigma=0.453246 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.209 mas, bmaj=2.388 mas, bpa=-45.55 degrees ! Estimated noise=0.599947 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000534526 Jy ! Component: 100 - total flux cleaned = 0.000853274 Jy ! Component: 150 - total flux cleaned = 0.00102817 Jy ! Component: 200 - total flux cleaned = 0.00110155 Jy ! Total flux subtracted in 200 components = 0.00110155 Jy ! Clean residual min=-0.001073 max=0.001121 Jy/beam ! Clean residual mean=-0.000006 rms=0.000262 Jy/beam ! Combined flux in latest and established models = 0.0297261 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 86 components and 0.0297261 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=0.086248Jy sigma=0.453240 ! Fit after self-cal, rms=0.086903Jy sigma=0.452892 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 = -0.000901498 Jy ! Component: 100 - total flux cleaned = -0.00135345 Jy ! Component: 150 - total flux cleaned = -0.00147641 Jy ! Component: 200 - total flux cleaned = -0.00155184 Jy ! Total flux subtracted in 200 components = -0.00155184 Jy ! Clean residual min=-0.001081 max=0.001164 Jy/beam ! Clean residual mean=-0.000009 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.0281742 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 96 components and 0.0281742 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=0.086890Jy sigma=0.453013 ! Fit after self-cal, rms=0.086961Jy sigma=0.452953 ! 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=1.104 mas, bmaj=1.404 mas, bpa=-24.88 degrees ! Estimated noise=0.458696 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.104 x 1.404 at -24.88 degrees (North through East) ! Clean map min=-0.0033372 max=0.027755 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=0.8106 mas, bmaj=1.102 mas, bpa=-26.19 degrees ! Estimated noise=1.06204 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0220732 Jy ! Component: 100 - total flux cleaned = 0.0253793 Jy ! Component: 150 - total flux cleaned = 0.0266501 Jy ! Component: 200 - total flux cleaned = 0.0269053 Jy ! Total flux subtracted in 200 components = 0.0269053 Jy ! Clean residual min=-0.002336 max=0.002393 Jy/beam ! Clean residual mean=-0.000001 rms=0.000544 Jy/beam ! Combined flux in latest and established models = 0.0269054 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0269054 Jy ! Inverting map and beam ! Estimated beam: bmin=1.104 mas, bmaj=1.404 mas, bpa=-24.88 degrees ! Estimated noise=0.458696 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 = -0.000113184 Jy ! Component: 100 - total flux cleaned = -0.000115215 Jy ! Component: 150 - total flux cleaned = -0.000147869 Jy ! Component: 200 - total flux cleaned = -0.000123373 Jy ! Total flux subtracted in 200 components = -0.000123373 Jy ! Clean residual min=-0.001072 max=0.001006 Jy/beam ! Clean residual mean=-0.000004 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.026782 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 24 components and 0.026782 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=2.209 mas, bmaj=2.388 mas, bpa=-45.55 degrees ! Estimated noise=0.599947 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000450097 Jy ! Component: 100 - total flux cleaned = 0.000565346 Jy ! Component: 150 - total flux cleaned = 0.000637835 Jy ! Component: 200 - total flux cleaned = 0.000669084 Jy ! Total flux subtracted in 200 components = 0.000669084 Jy ! Clean residual min=-0.001180 max=0.001158 Jy/beam ! Clean residual mean=-0.000008 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.0274511 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 = 1.2524e-05 Jy ! Component: 100 - total flux cleaned = 6.37563e-07 Jy ! Component: 150 - total flux cleaned = -4.60454e-06 Jy ! Component: 200 - total flux cleaned = -9.22848e-06 Jy ! Total flux subtracted in 200 components = -9.22848e-06 Jy ! Clean residual min=-0.001166 max=0.001159 Jy/beam ! Clean residual mean=-0.000008 rms=0.000291 Jy/beam ! Combined flux in latest and established models = 0.0274418 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 46 components and 0.0274418 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.104 mas, bmaj=1.404 mas, bpa=-24.88 degrees ! Estimated noise=0.458696 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.38039e-05 Jy ! Component: 100 - total flux cleaned = -9.2284e-05 Jy ! Component: 150 - total flux cleaned = -0.000124188 Jy ! Component: 200 - total flux cleaned = -0.000165816 Jy ! Total flux subtracted in 200 components = -0.000165816 Jy ! Clean residual min=-0.000907 max=0.001030 Jy/beam ! Clean residual mean=-0.000004 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.027276 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 51 components and 0.027276 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=0.086941Jy sigma=0.453132 ! Fit after self-cal, rms=0.087066Jy sigma=0.453018 wmodel J1838+4802_X_b_map.mod ! Writing 51 model components to file: J1838+4802_X_b_map.mod wobs J1838+4802_X_b_uvs.fits ! Writing UV FITS file: J1838+4802_X_b_uvs.fits wwins J1838+4802_X_b_map.win ! wwins: Wrote 2 windows to J1838+4802_X_b_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 = -3.8206e-05 Jy ! Component: 100 - total flux cleaned = -0.000202562 Jy ! Component: 150 - total flux cleaned = -0.000312394 Jy ! Component: 200 - total flux cleaned = -0.000388378 Jy ! Component: 250 - total flux cleaned = -0.000491134 Jy ! Component: 300 - total flux cleaned = -0.000590829 Jy ! Component: 350 - total flux cleaned = -0.000632624 Jy ! Component: 400 - total flux cleaned = -0.000673611 Jy ! Component: 450 - total flux cleaned = -0.000713519 Jy ! Component: 500 - total flux cleaned = -0.000739499 Jy ! Component: 550 - total flux cleaned = -0.000752577 Jy ! Component: 600 - total flux cleaned = -0.000790402 Jy ! Component: 650 - total flux cleaned = -0.00076572 Jy ! Component: 700 - total flux cleaned = -0.000765582 Jy ! Component: 750 - total flux cleaned = -0.00072971 Jy ! Component: 800 - total flux cleaned = -0.000694597 Jy ! Component: 850 - total flux cleaned = -0.000694787 Jy ! Component: 900 - total flux cleaned = -0.000694567 Jy ! Component: 950 - total flux cleaned = -0.000615383 Jy ! Component: 1000 - total flux cleaned = -0.000548835 Jy ! Component: 1050 - total flux cleaned = -0.000548871 Jy ! Component: 1100 - total flux cleaned = -0.000494619 Jy ! Component: 1150 - total flux cleaned = -0.000462297 Jy ! Component: 1200 - total flux cleaned = -0.000398783 Jy ! Component: 1250 - total flux cleaned = -0.000367533 Jy ! Component: 1300 - total flux cleaned = -0.000305376 Jy ! Component: 1350 - total flux cleaned = -0.000284843 Jy ! Component: 1400 - total flux cleaned = -0.00022373 Jy ! Component: 1450 - total flux cleaned = -0.000123155 Jy ! Component: 1500 - total flux cleaned = -0.000133125 Jy ! Component: 1550 - total flux cleaned = -6.40094e-05 Jy ! Component: 1600 - total flux cleaned = 4.28941e-06 Jy ! Component: 1650 - total flux cleaned = 2.36422e-05 Jy ! Component: 1700 - total flux cleaned = 8.1119e-05 Jy ! Component: 1750 - total flux cleaned = 0.000119112 Jy ! Component: 1800 - total flux cleaned = 0.000166242 Jy ! Component: 1850 - total flux cleaned = 0.000203614 Jy ! Component: 1900 - total flux cleaned = 0.000268401 Jy ! Component: 1950 - total flux cleaned = 0.000305089 Jy ! Component: 2000 - total flux cleaned = 0.000350538 Jy ! Component: 2050 - total flux cleaned = 0.00036856 Jy ! Component: 2100 - total flux cleaned = 0.000422195 Jy ! Component: 2150 - total flux cleaned = 0.000457723 Jy ! Component: 2200 - total flux cleaned = 0.000537061 Jy ! Component: 2250 - total flux cleaned = 0.000580774 Jy ! Component: 2300 - total flux cleaned = 0.000606796 Jy ! Component: 2350 - total flux cleaned = 0.000632653 Jy ! Component: 2400 - total flux cleaned = 0.000701244 Jy ! Component: 2450 - total flux cleaned = 0.000735113 Jy ! Component: 2500 - total flux cleaned = 0.000785734 Jy ! Component: 2550 - total flux cleaned = 0.000836004 Jy ! Component: 2600 - total flux cleaned = 0.000902523 Jy ! Component: 2650 - total flux cleaned = 0.000927338 Jy ! Component: 2700 - total flux cleaned = 0.000960209 Jy ! Component: 2750 - total flux cleaned = 0.00100103 Jy ! Component: 2800 - total flux cleaned = 0.00107408 Jy ! Component: 2850 - total flux cleaned = 0.00109834 Jy ! Component: 2900 - total flux cleaned = 0.00117849 Jy ! Component: 2950 - total flux cleaned = 0.00121035 Jy ! Component: 3000 - total flux cleaned = 0.00128943 Jy ! Component: 3050 - total flux cleaned = 0.00136792 Jy ! Component: 3100 - total flux cleaned = 0.00134455 Jy ! Component: 3150 - total flux cleaned = 0.00143777 Jy ! Component: 3200 - total flux cleaned = 0.00146868 Jy ! Component: 3250 - total flux cleaned = 0.00153009 Jy ! Component: 3300 - total flux cleaned = 0.00156828 Jy ! Component: 3350 - total flux cleaned = 0.00165173 Jy ! Component: 3400 - total flux cleaned = 0.00168944 Jy ! Component: 3450 - total flux cleaned = 0.00175701 Jy ! Component: 3500 - total flux cleaned = 0.00181674 Jy ! Component: 3550 - total flux cleaned = 0.00186134 Jy ! Component: 3600 - total flux cleaned = 0.00191304 Jy ! Component: 3650 - total flux cleaned = 0.00194981 Jy ! Component: 3700 - total flux cleaned = 0.00200836 Jy ! Component: 3750 - total flux cleaned = 0.00203754 Jy ! Component: 3800 - total flux cleaned = 0.00204484 Jy ! Component: 3850 - total flux cleaned = 0.00210977 Jy ! Component: 3900 - total flux cleaned = 0.00215291 Jy ! Component: 3950 - total flux cleaned = 0.00219575 Jy ! Component: 4000 - total flux cleaned = 0.00225977 Jy ! Component: 4050 - total flux cleaned = 0.00226686 Jy ! Total flux subtracted in 4096 components = 0.00230916 Jy ! Clean residual min=-0.000406 max=0.000475 Jy/beam ! Clean residual mean=-0.000001 rms=0.000120 Jy/beam ! Combined flux in latest and established models = 0.0295852 Jy keep ! Adding 312 model components to the UV plane model. ! The established model now contains 363 components and 0.0295852 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1838+4802_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.104 x 1.404 at -24.88 degrees (North through East) ! Clean map min=-0.0031339 max=0.026516 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1838+4802_X_b_map.fits wmodel /image_prod/ug002_uva//J1838+4802_X_b_map.mod ! Writing 363 model components to file: /image_prod/ug002_uva//J1838+4802_X_b_map.mod wobs /image_prod/ug002_uva//J1838+4802_X_b_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1838+4802_X_b_uvs.fits wwins /image_prod/ug002_uva//J1838+4802_X_b_map.win ! wwins: Wrote 3 windows to /image_prod/ug002_uva//J1838+4802_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.026516 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000119407 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.35096 1.35096 2.70192 5.40385 10.8077 21.6154 43.2308 86.4615 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.026 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 222.064 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1838+4802_X_b_dfm.log closed on Thu Mar 5 03:52:10 2020