! Started logfile: /image_prod/ug002_uva//J2253+1942_X_f_dfm.log on Thu Mar 5 05:57:00 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /image_prod/ug002_uva//J2253+1942_X_f_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2253+1942_X_f_uva.fits ! AN table 1: 18 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.918651 visibilities/baseline/integration-bin. ! Found source: J2253+1942 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 5556 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J2253+1942_X_f] 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 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.021878Jy sigma=8.825322 ! Fit after self-cal, rms=0.804366Jy sigma=6.951975 ! 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=0.7008 mas, bmaj=1.593 mas, bpa=1.58 degrees ! Estimated noise=1.52337 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 = 0.145999 Jy ! Component: 100 - total flux cleaned = 0.185223 Jy ! Total flux subtracted in 100 components = 0.185223 Jy ! Clean residual min=-0.009755 max=0.018079 Jy/beam ! Clean residual mean=-0.000005 rms=0.002535 Jy/beam ! Combined flux in latest and established models = 0.185223 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.185223 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=0.081955Jy sigma=0.606359 ! Fit after self-cal, rms=0.081948Jy sigma=0.606101 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0220679 Jy ! Component: 100 - total flux cleaned = 0.03665 Jy ! Total flux subtracted in 100 components = 0.03665 Jy ! Clean residual min=-0.009123 max=0.011214 Jy/beam ! Clean residual mean=-0.000003 rms=0.001984 Jy/beam ! Combined flux in latest and established models = 0.221873 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 12 components and 0.221873 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=0.073433Jy sigma=0.528211 ! Fit after self-cal, rms=0.073422Jy sigma=0.527918 ! 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=0.8513 mas, bmaj=1.836 mas, bpa=1.676 degrees ! Estimated noise=1.12418 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 = 0.0122924 Jy ! Component: 100 - total flux cleaned = 0.0199069 Jy ! Component: 150 - total flux cleaned = 0.0248984 Jy ! Component: 200 - total flux cleaned = 0.0282035 Jy ! Total flux subtracted in 200 components = 0.0282035 Jy ! Clean residual min=-0.007887 max=0.007923 Jy/beam ! Clean residual mean=-0.000001 rms=0.001593 Jy/beam ! Combined flux in latest and established models = 0.250077 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 26 components and 0.250077 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=0.070520Jy sigma=0.508601 ! Fit after self-cal, rms=0.070513Jy sigma=0.508394 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8513 x 1.836 at 1.676 degrees (North through East) ! Clean map min=-0.0072521 max=0.19207 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.00 KP 1.02 LA 0.96 ! MK 1.01 NL 1.08 OV 0.99 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 KP 1.02 LA 0.98 ! MK 1.02 NL 1.09 OV 0.97 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.00 KP 0.99 LA 1.00 ! MK 1.02 NL 1.10 OV 0.99 SC 1.04 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.96 KP 1.03 LA 0.99 ! MK 0.97 NL 1.11 OV 1.00 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.99 KP 0.99 LA 0.93 ! MK 1.01 NL 1.11 OV 1.01 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.96 KP 1.01 LA 0.95 ! MK 1.04 NL 1.12 OV 0.98 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.00 KP 1.03 LA 0.97 ! MK 1.02 NL 1.12 OV 0.96 SC 1.05 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.98 KP 1.04 LA 0.99 ! MK 1.01 NL 1.11 OV 0.97 SC 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 KP 1.04 LA 0.98 ! MK 0.95 NL 1.08 OV 1.00 SC 1.02 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.99 KP 1.01 LA 0.99 ! MK 0.96 NL 1.10 OV 0.98 SC 1.05 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.98 KP 1.04 LA 0.97 ! MK 0.95 NL 1.13 OV 1.02 SC 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.99 KP 1.01 LA 0.95 ! MK 0.98 NL 1.08 OV 1.00 SC 1.02 ! ! ! Fit before self-cal, rms=0.070513Jy sigma=0.508394 ! Fit after self-cal, rms=0.066831Jy sigma=0.494990 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8535 mas, bmaj=1.832 mas, bpa=1.948 degrees ! Estimated noise=1.12706 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 = 0.00246966 Jy ! Component: 100 - total flux cleaned = 0.00278548 Jy ! Component: 150 - total flux cleaned = 0.00268652 Jy ! Component: 200 - total flux cleaned = 0.00264408 Jy ! Total flux subtracted in 200 components = 0.00264408 Jy ! Clean residual min=-0.007085 max=0.006570 Jy/beam ! Clean residual mean=-0.000002 rms=0.001425 Jy/beam ! Combined flux in latest and established models = 0.252721 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 32 components and 0.252721 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=0.066731Jy sigma=0.493389 ! Fit after self-cal, rms=0.066723Jy sigma=0.493239 ! 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=0.066723Jy sigma=0.493239 ! Fit after self-cal, rms=0.061896Jy sigma=0.452811 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8663 mas, bmaj=1.826 mas, bpa=1.714 degrees ! Estimated noise=1.13795 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000385016 Jy ! Component: 100 - total flux cleaned = -0.00050628 Jy ! Component: 150 - total flux cleaned = -0.000408021 Jy ! Component: 200 - total flux cleaned = -0.000485467 Jy ! Total flux subtracted in 200 components = -0.000485467 Jy ! Clean residual min=-0.003692 max=0.004304 Jy/beam ! Clean residual mean=0.000000 rms=0.000731 Jy/beam ! Combined flux in latest and established models = 0.252235 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 35 components and 0.252235 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=0.061492Jy sigma=0.448487 ! Fit after self-cal, rms=0.061531Jy sigma=0.448343 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 (1.2, 13.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00255274 Jy ! Component: 100 - total flux cleaned = 0.00185273 Jy ! Component: 150 - total flux cleaned = 0.00126121 Jy ! Component: 200 - total flux cleaned = 0.00093593 Jy ! Total flux subtracted in 200 components = 0.00093593 Jy ! Clean residual min=-0.003305 max=0.002931 Jy/beam ! Clean residual mean=-0.000000 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 0.253171 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 45 components and 0.253171 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=0.061234Jy sigma=0.445622 ! Fit after self-cal, rms=0.061215Jy sigma=0.445413 ! 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=0.061215Jy sigma=0.445413 ! Fit after self-cal, rms=0.061452Jy sigma=0.444501 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8656 mas, bmaj=1.819 mas, bpa=2.2 degrees ! Estimated noise=1.13484 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000183047 Jy ! Component: 100 - total flux cleaned = 0.000122299 Jy ! Component: 150 - total flux cleaned = 0.000127895 Jy ! Component: 200 - total flux cleaned = 0.000129285 Jy ! Total flux subtracted in 200 components = 0.000129285 Jy ! Clean residual min=-0.002722 max=0.002599 Jy/beam ! Clean residual mean=-0.000001 rms=0.000600 Jy/beam ! Combined flux in latest and established models = 0.253301 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 50 components and 0.253301 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=0.061297Jy sigma=0.442914 ! Fit after self-cal, rms=0.061300Jy sigma=0.442892 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 = 1.40939e-06 Jy ! Component: 100 - total flux cleaned = -0.000138949 Jy ! Component: 150 - total flux cleaned = -0.000226018 Jy ! Component: 200 - total flux cleaned = -0.000349305 Jy ! Total flux subtracted in 200 components = -0.000349305 Jy ! Clean residual min=-0.002505 max=0.002596 Jy/beam ! Clean residual mean=-0.000001 rms=0.000584 Jy/beam ! Combined flux in latest and established models = 0.252951 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 55 components and 0.252951 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=0.061240Jy sigma=0.442315 ! Fit after self-cal, rms=0.061238Jy sigma=0.442299 ! Inverting map ! Added new window around map position (-3.4, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000505596 Jy ! Component: 100 - total flux cleaned = 0.000427546 Jy ! Component: 150 - total flux cleaned = 0.000431911 Jy ! Component: 200 - total flux cleaned = 0.000382386 Jy ! Total flux subtracted in 200 components = 0.000382386 Jy ! Clean residual min=-0.002337 max=0.002616 Jy/beam ! Clean residual mean=-0.000001 rms=0.000546 Jy/beam ! Combined flux in latest and established models = 0.253334 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 71 components and 0.253334 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=0.061034Jy sigma=0.440786 ! Fit after self-cal, rms=0.061032Jy sigma=0.440719 ! Inverting map ! Added new window around map position (-1.2, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000781656 Jy ! Component: 100 - total flux cleaned = 0.000602884 Jy ! Component: 150 - total flux cleaned = 0.000390768 Jy ! Component: 200 - total flux cleaned = 9.28541e-05 Jy ! Total flux subtracted in 200 components = 9.28541e-05 Jy ! Clean residual min=-0.002113 max=0.002079 Jy/beam ! Clean residual mean=-0.000001 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.253426 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 89 components and 0.253426 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=0.060895Jy sigma=0.439563 ! Fit after self-cal, rms=0.060887Jy sigma=0.439509 ! 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=0.060887Jy sigma=0.439509 ! Fit after self-cal, rms=0.060916Jy sigma=0.439196 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.084 mas, bmaj=2.825 mas, bpa=10.58 degrees ! Estimated noise=1.39617 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000146976 Jy ! Component: 100 - total flux cleaned = -0.000587414 Jy ! Component: 150 - total flux cleaned = -0.000868798 Jy ! Component: 200 - total flux cleaned = -0.000958754 Jy ! Total flux subtracted in 200 components = -0.000958754 Jy ! Clean residual min=-0.002086 max=0.001926 Jy/beam ! Clean residual mean=-0.000003 rms=0.000532 Jy/beam ! Combined flux in latest and established models = 0.252468 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 99 components and 0.252468 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=0.060871Jy sigma=0.438699 ! Fit after self-cal, rms=0.060866Jy sigma=0.438672 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 = -6.7821e-05 Jy ! Component: 100 - total flux cleaned = -0.000251745 Jy ! Component: 150 - total flux cleaned = -0.000298838 Jy ! Component: 200 - total flux cleaned = -0.000298903 Jy ! Total flux subtracted in 200 components = -0.000298903 Jy ! Clean residual min=-0.002014 max=0.001868 Jy/beam ! Clean residual mean=-0.000003 rms=0.000513 Jy/beam ! Combined flux in latest and established models = 0.252169 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 106 components and 0.252169 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=0.060850Jy sigma=0.438503 ! Fit after self-cal, rms=0.060848Jy sigma=0.438493 ! 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=0.8653 mas, bmaj=1.817 mas, bpa=2.412 degrees ! Estimated noise=1.13363 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8653 x 1.817 at 2.412 degrees (North through East) ! Clean map min=-0.0025585 max=0.19428 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=0.7145 mas, bmaj=1.57 mas, bpa=2.041 degrees ! Estimated noise=1.53937 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.147366 Jy ! Component: 100 - total flux cleaned = 0.18591 Jy ! Component: 150 - total flux cleaned = 0.206043 Jy ! Component: 200 - total flux cleaned = 0.21841 Jy ! Total flux subtracted in 200 components = 0.21841 Jy ! Clean residual min=-0.004396 max=0.006453 Jy/beam ! Clean residual mean=-0.000002 rms=0.001100 Jy/beam ! Combined flux in latest and established models = 0.21841 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.21841 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8653 mas, bmaj=1.817 mas, bpa=2.412 degrees ! Estimated noise=1.13363 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 = 0.0112734 Jy ! Component: 100 - total flux cleaned = 0.0183102 Jy ! Component: 150 - total flux cleaned = 0.023208 Jy ! Component: 200 - total flux cleaned = 0.0263065 Jy ! Total flux subtracted in 200 components = 0.0263065 Jy ! Clean residual min=-0.002551 max=0.002833 Jy/beam ! Clean residual mean=-0.000001 rms=0.000614 Jy/beam ! Combined flux in latest and established models = 0.244717 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 61 components and 0.244717 Jy ! Inverting map ! Added new window around map position (-13.2, -25.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00231919 Jy ! Component: 100 - total flux cleaned = 0.00366088 Jy ! Component: 150 - total flux cleaned = 0.00454238 Jy ! Component: 200 - total flux cleaned = 0.00485343 Jy ! Total flux subtracted in 200 components = 0.00485343 Jy ! Clean residual min=-0.002151 max=0.002378 Jy/beam ! Clean residual mean=-0.000001 rms=0.000523 Jy/beam ! Combined flux in latest and established models = 0.24957 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 81 components and 0.24957 Jy ! Inverting map ! Added new window around map position (35, 43.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171213 Jy ! Component: 100 - total flux cleaned = 0.00198823 Jy ! Component: 150 - total flux cleaned = 0.00211598 Jy ! Component: 200 - total flux cleaned = 0.00235504 Jy ! Total flux subtracted in 200 components = 0.00235504 Jy ! Clean residual min=-0.002099 max=0.002031 Jy/beam ! Clean residual mean=-0.000001 rms=0.000483 Jy/beam ! Combined flux in latest and established models = 0.251925 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 97 components and 0.251925 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=2.084 mas, bmaj=2.825 mas, bpa=10.58 degrees ! Estimated noise=1.39617 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000663205 Jy ! Component: 100 - total flux cleaned = 0.00070685 Jy ! Component: 150 - total flux cleaned = 0.000873872 Jy ! Component: 200 - total flux cleaned = 0.00105457 Jy ! Total flux subtracted in 200 components = 0.00105457 Jy ! Clean residual min=-0.001852 max=0.001744 Jy/beam ! Clean residual mean=-0.000002 rms=0.000507 Jy/beam ! Combined flux in latest and established models = 0.25298 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 = 0.000158647 Jy ! Component: 100 - total flux cleaned = 0.000158281 Jy ! Component: 150 - total flux cleaned = 0.000106794 Jy ! Component: 200 - total flux cleaned = 3.50183e-05 Jy ! Total flux subtracted in 200 components = 3.50183e-05 Jy ! Clean residual min=-0.001724 max=0.001745 Jy/beam ! Clean residual mean=-0.000002 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 0.253015 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 137 components and 0.253014 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8653 mas, bmaj=1.817 mas, bpa=2.412 degrees ! Estimated noise=1.13363 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00064999 Jy ! Component: 100 - total flux cleaned = -0.000747662 Jy ! Component: 150 - total flux cleaned = -0.000885794 Jy ! Component: 200 - total flux cleaned = -0.00084386 Jy ! Total flux subtracted in 200 components = -0.00084386 Jy ! Clean residual min=-0.001853 max=0.001882 Jy/beam ! Clean residual mean=-0.000001 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.252171 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 157 components and 0.252171 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=0.060812Jy sigma=0.437485 ! Fit after self-cal, rms=0.060787Jy sigma=0.437328 wmodel J2253+1942_X_f_map.mod ! Writing 157 model components to file: J2253+1942_X_f_map.mod wobs J2253+1942_X_f_uvs.fits ! Writing UV FITS file: J2253+1942_X_f_uvs.fits wwins J2253+1942_X_f_map.win ! wwins: Wrote 6 windows to J2253+1942_X_f_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 = -0.000161504 Jy ! Component: 100 - total flux cleaned = -0.000480877 Jy ! Component: 150 - total flux cleaned = -0.000757449 Jy ! Component: 200 - total flux cleaned = -0.00102356 Jy ! Component: 250 - total flux cleaned = -0.00108118 Jy ! Component: 300 - total flux cleaned = -0.00127803 Jy ! Component: 350 - total flux cleaned = -0.00138753 Jy ! Component: 400 - total flux cleaned = -0.00154861 Jy ! Component: 450 - total flux cleaned = -0.0015755 Jy ! Component: 500 - total flux cleaned = -0.00165449 Jy ! Component: 550 - total flux cleaned = -0.00178269 Jy ! Component: 600 - total flux cleaned = -0.00185856 Jy ! Component: 650 - total flux cleaned = -0.00190812 Jy ! Component: 700 - total flux cleaned = -0.00193274 Jy ! Component: 750 - total flux cleaned = -0.00198112 Jy ! Component: 800 - total flux cleaned = -0.00202845 Jy ! Component: 850 - total flux cleaned = -0.00212181 Jy ! Component: 900 - total flux cleaned = -0.00214454 Jy ! Component: 950 - total flux cleaned = -0.00225851 Jy ! Component: 1000 - total flux cleaned = -0.00230333 Jy ! Component: 1050 - total flux cleaned = -0.00230365 Jy ! Component: 1100 - total flux cleaned = -0.00241353 Jy ! Component: 1150 - total flux cleaned = -0.00247876 Jy ! Component: 1200 - total flux cleaned = -0.00247883 Jy ! Component: 1250 - total flux cleaned = -0.00260583 Jy ! Component: 1300 - total flux cleaned = -0.00260575 Jy ! Component: 1350 - total flux cleaned = -0.00260577 Jy ! Component: 1400 - total flux cleaned = -0.00270802 Jy ! Component: 1450 - total flux cleaned = -0.00278905 Jy ! Component: 1500 - total flux cleaned = -0.00282926 Jy ! Component: 1550 - total flux cleaned = -0.00286909 Jy ! Component: 1600 - total flux cleaned = -0.00292807 Jy ! Component: 1650 - total flux cleaned = -0.00300614 Jy ! Component: 1700 - total flux cleaned = -0.00300603 Jy ! Component: 1750 - total flux cleaned = -0.00304428 Jy ! Component: 1800 - total flux cleaned = -0.00302533 Jy ! Component: 1850 - total flux cleaned = -0.00313886 Jy ! Component: 1900 - total flux cleaned = -0.00306384 Jy ! Component: 1950 - total flux cleaned = -0.0031197 Jy ! Component: 2000 - total flux cleaned = -0.0031011 Jy ! Component: 2050 - total flux cleaned = -0.0031194 Jy ! Component: 2100 - total flux cleaned = -0.0031374 Jy ! Component: 2150 - total flux cleaned = -0.00311962 Jy ! Component: 2200 - total flux cleaned = -0.00317302 Jy ! Component: 2250 - total flux cleaned = -0.00322617 Jy ! Component: 2300 - total flux cleaned = -0.00315585 Jy ! Component: 2350 - total flux cleaned = -0.00320821 Jy ! Component: 2400 - total flux cleaned = -0.00322537 Jy ! Component: 2450 - total flux cleaned = -0.00325976 Jy ! Component: 2500 - total flux cleaned = -0.00322555 Jy ! Component: 2550 - total flux cleaned = -0.0032764 Jy ! Component: 2600 - total flux cleaned = -0.00325931 Jy ! Component: 2650 - total flux cleaned = -0.00322586 Jy ! Component: 2700 - total flux cleaned = -0.00325897 Jy ! Component: 2750 - total flux cleaned = -0.00324239 Jy ! Component: 2800 - total flux cleaned = -0.00325897 Jy ! Component: 2850 - total flux cleaned = -0.00324264 Jy ! Component: 2900 - total flux cleaned = -0.00325894 Jy ! Component: 2950 - total flux cleaned = -0.00327493 Jy ! Component: 3000 - total flux cleaned = -0.00325882 Jy ! Component: 3050 - total flux cleaned = -0.00324292 Jy ! Component: 3100 - total flux cleaned = -0.00324315 Jy ! Component: 3150 - total flux cleaned = -0.00329016 Jy ! Component: 3200 - total flux cleaned = -0.00322803 Jy ! Component: 3250 - total flux cleaned = -0.00324375 Jy ! Component: 3300 - total flux cleaned = -0.00330536 Jy ! Component: 3350 - total flux cleaned = -0.00329003 Jy ! Component: 3400 - total flux cleaned = -0.00335096 Jy ! Component: 3450 - total flux cleaned = -0.00333588 Jy ! Component: 3500 - total flux cleaned = -0.00329073 Jy ! Component: 3550 - total flux cleaned = -0.00335049 Jy ! Component: 3600 - total flux cleaned = -0.00336524 Jy ! Component: 3650 - total flux cleaned = -0.00330634 Jy ! Component: 3700 - total flux cleaned = -0.00342392 Jy ! Component: 3750 - total flux cleaned = -0.00333625 Jy ! Component: 3800 - total flux cleaned = -0.00339432 Jy ! Component: 3850 - total flux cleaned = -0.00340877 Jy ! Component: 3900 - total flux cleaned = -0.00343749 Jy ! Component: 3950 - total flux cleaned = -0.00340881 Jy ! Component: 4000 - total flux cleaned = -0.00338042 Jy ! Component: 4050 - total flux cleaned = -0.00336634 Jy ! Total flux subtracted in 4096 components = -0.00338036 Jy ! Clean residual min=-0.000900 max=0.000760 Jy/beam ! Clean residual mean=-0.000001 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.24879 Jy keep ! Adding 282 model components to the UV plane model. ! The established model now contains 439 components and 0.24879 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2253+1942_X_f_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8653 x 1.817 at 2.412 degrees (North through East) ! Clean map min=-0.0017563 max=0.19613 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2253+1942_X_f_map.fits wmodel /image_prod/ug002_uva//J2253+1942_X_f_map.mod ! Writing 439 model components to file: /image_prod/ug002_uva//J2253+1942_X_f_map.mod wobs /image_prod/ug002_uva//J2253+1942_X_f_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2253+1942_X_f_uvs.fits wwins /image_prod/ug002_uva//J2253+1942_X_f_map.win ! wwins: Wrote 7 windows to /image_prod/ug002_uva//J2253+1942_X_f_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.196131 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000235996 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.360977 0.360977 0.721954 1.44391 2.88782 5.77563 11.5513 23.1025 46.205 92.4101 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.196 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 831.078 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2253+1942_X_f_dfm.log closed on Thu Mar 5 05:57:04 2020