! Started logfile: /image_prod/ug002_uva//J1831+2907_X_dfm.log on Thu Mar 5 03:47:17 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//J1831+2907_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1831+2907_X_uva.fits ! AN table 1: 60 integrations on 21 of 21 possible baselines. ! AN table 2: 30 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.890643 visibilities/baseline/integration-bin. ! Found source: J1831+2907 ! ! 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 108 lines of history. ! ! Reading 18276 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 J1831+2907_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=1.002941Jy sigma=9.910144 ! Fit after self-cal, rms=0.965022Jy sigma=9.497612 ! 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=1.016 mas, bmaj=2.131 mas, bpa=5.007 degrees ! Estimated noise=1.31059 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 = 0.0260976 Jy ! Component: 100 - total flux cleaned = 0.0347658 Jy ! Total flux subtracted in 100 components = 0.0347658 Jy ! Clean residual min=-0.007037 max=0.007621 Jy/beam ! Clean residual mean=0.000023 rms=0.002220 Jy/beam ! Combined flux in latest and established models = 0.0347658 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0347658 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=0.060299Jy sigma=0.604947 ! Fit after self-cal, rms=0.059044Jy sigma=0.593063 ! 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=1.211 mas, bmaj=2.219 mas, bpa=4.856 degrees ! Estimated noise=0.537811 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 = 0.0119428 Jy ! Component: 100 - total flux cleaned = 0.0200451 Jy ! Component: 150 - total flux cleaned = 0.0260537 Jy ! Component: 200 - total flux cleaned = 0.030568 Jy ! Total flux subtracted in 200 components = 0.030568 Jy ! Clean residual min=-0.008346 max=0.010060 Jy/beam ! Clean residual mean=0.000016 rms=0.002827 Jy/beam ! Combined flux in latest and established models = 0.0653337 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 42 components and 0.0653338 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=0.056465Jy sigma=0.558352 ! Fit after self-cal, rms=0.056315Jy sigma=0.555225 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.211 x 2.219 at 4.856 degrees (North through East) ! Clean map min=-0.0089067 max=0.039867 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.25 FD 1.16 HN 1.08 KP 0.65 ! MK 1.80 NL 1.97 OV 0.72 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.19 FD 0.93 KP 0.61 NL 2.05 ! OV 1.02 SC 0.88 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.27 FD 1.32 HN 1.30 KP 0.61 ! MK 1.50 NL 1.81 OV 0.75 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.03 KP 0.63 NL 2.21 ! OV 0.94 SC 0.75 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.39 HN 1.04 KP 0.65 ! MK 1.82 NL 1.82 OV 0.80 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.05 KP 0.60 NL 2.67 ! OV 0.93 SC 0.88 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.32 HN 1.09 KP 0.66 ! MK 2.12 NL 1.75 OV 0.74 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.98 KP 0.65 NL 2.39 ! OV 0.97 SC 0.91 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.36 HN 1.09 KP 0.70 ! MK 1.60 NL 1.41 OV 0.78 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.93 KP 0.62 NL 2.33 ! OV 1.01 SC 0.85 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.38 HN 1.06 KP 0.71 ! MK 1.91 NL 1.61 OV 0.72 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.23 FD 0.82 KP 0.65 NL 2.49 ! OV 1.04 SC 0.75 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 1.43 HN 0.90 KP 0.64 ! MK 1.55 NL 1.37 OV 0.79 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.87 KP 0.61 NL 2.33 ! OV 1.10 SC 0.72 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.27 HN 0.87 KP 0.66 ! MK 1.67 NL 1.42 OV 0.82 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.83 KP 0.63 NL 1.97 ! OV 1.14 SC 0.65 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.53 HN 0.95 KP 0.65 ! MK 1.61 NL 1.67 OV 0.78 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.11 FD 0.87 KP 0.62 NL 1.70 ! OV 1.05 SC 0.69 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 1.45 HN 0.88 KP 0.62 ! MK 1.51 NL 1.52 OV 0.81 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.18 FD 0.83 KP 0.66 NL 1.75 ! OV 1.15 SC 0.72 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.41 HN 0.81 KP 0.65 ! MK 1.37 NL 1.48 OV 0.80 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.19 FD 0.79 KP 0.63 NL 1.53 ! OV 1.24 SC 0.76 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.30 HN 0.78 KP 0.60 ! MK 1.32 NL 1.52 OV 0.78 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.19 FD 0.70 KP 0.60 NL 1.53 ! OV 1.38 SC 0.59 ! ! ! Fit before self-cal, rms=0.056315Jy sigma=0.555225 ! Fit after self-cal, rms=0.065976Jy sigma=0.518553 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.199 mas, bmaj=2.247 mas, bpa=4.697 degrees ! Estimated noise=0.530654 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 = 0.00268211 Jy ! Component: 100 - total flux cleaned = 0.00322814 Jy ! Component: 150 - total flux cleaned = 0.0035218 Jy ! Component: 200 - total flux cleaned = 0.00373225 Jy ! Total flux subtracted in 200 components = 0.00373225 Jy ! Clean residual min=-0.006754 max=0.008068 Jy/beam ! Clean residual mean=-0.000004 rms=0.002138 Jy/beam ! Combined flux in latest and established models = 0.069066 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 47 components and 0.069066 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=0.065905Jy sigma=0.515721 ! Fit after self-cal, rms=0.067993Jy sigma=0.507163 ! 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=0.067993Jy sigma=0.507163 ! Fit after self-cal, rms=0.099429Jy sigma=0.467998 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.145 mas, bmaj=2.248 mas, bpa=5.321 degrees ! Estimated noise=0.526421 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00234442 Jy ! Component: 100 - total flux cleaned = 0.00330712 Jy ! Component: 150 - total flux cleaned = 0.00358378 Jy ! Component: 200 - total flux cleaned = 0.00370431 Jy ! Total flux subtracted in 200 components = 0.00370431 Jy ! Clean residual min=-0.004177 max=0.004857 Jy/beam ! Clean residual mean=-0.000001 rms=0.001020 Jy/beam ! Combined flux in latest and established models = 0.0727703 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 51 components and 0.0727703 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=0.099410Jy sigma=0.466372 ! Fit after self-cal, rms=0.100895Jy sigma=0.461694 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 = 0.00022943 Jy ! Component: 100 - total flux cleaned = 5.619e-05 Jy ! Component: 150 - total flux cleaned = 1.48378e-05 Jy ! Component: 200 - total flux cleaned = -4.35565e-05 Jy ! Total flux subtracted in 200 components = -4.35565e-05 Jy ! Clean residual min=-0.003763 max=0.004157 Jy/beam ! Clean residual mean=-0.000001 rms=0.000983 Jy/beam ! Combined flux in latest and established models = 0.0727268 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 57 components and 0.0727268 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=0.100861Jy sigma=0.461424 ! Fit after self-cal, rms=0.100860Jy sigma=0.461129 ! 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=0.100860Jy sigma=0.461129 ! Fit after self-cal, rms=0.105689Jy sigma=0.459455 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.139 mas, bmaj=2.206 mas, bpa=5.476 degrees ! Estimated noise=0.511902 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103151 Jy ! Component: 100 - total flux cleaned = 0.00119873 Jy ! Component: 150 - total flux cleaned = 0.00129476 Jy ! Component: 200 - total flux cleaned = 0.0013548 Jy ! Total flux subtracted in 200 components = 0.0013548 Jy ! Clean residual min=-0.003343 max=0.004417 Jy/beam ! Clean residual mean=-0.000000 rms=0.000885 Jy/beam ! Combined flux in latest and established models = 0.0740816 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 61 components and 0.0740816 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=0.105667Jy sigma=0.458930 ! Fit after self-cal, rms=0.106140Jy sigma=0.458150 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 (-8.6, 23.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00254071 Jy ! Component: 100 - total flux cleaned = 0.00346336 Jy ! Component: 150 - total flux cleaned = 0.00393142 Jy ! Component: 200 - total flux cleaned = 0.00417374 Jy ! Total flux subtracted in 200 components = 0.00417374 Jy ! Clean residual min=-0.003205 max=0.003241 Jy/beam ! Clean residual mean=-0.000003 rms=0.000811 Jy/beam ! Combined flux in latest and established models = 0.0782553 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 81 components and 0.0782553 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=0.105926Jy sigma=0.455556 ! Fit after self-cal, rms=0.105808Jy sigma=0.454147 ! 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=0.105808Jy sigma=0.454147 ! Fit after self-cal, rms=0.113759Jy sigma=0.452179 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.207 mas, bmaj=2.338 mas, bpa=10.85 degrees ! Estimated noise=0.550705 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00268785 Jy ! Component: 100 - total flux cleaned = 0.00280572 Jy ! Component: 150 - total flux cleaned = 0.00271319 Jy ! Component: 200 - total flux cleaned = 0.00275652 Jy ! Total flux subtracted in 200 components = 0.00275652 Jy ! Clean residual min=-0.004043 max=0.003572 Jy/beam ! Clean residual mean=-0.000002 rms=0.000945 Jy/beam ! Combined flux in latest and established models = 0.0810118 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 96 components and 0.0810118 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=0.113623Jy sigma=0.450875 ! Fit after self-cal, rms=0.113974Jy sigma=0.449426 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 = 0.000741021 Jy ! Component: 100 - total flux cleaned = 0.000687369 Jy ! Component: 150 - total flux cleaned = 0.000527597 Jy ! Component: 200 - total flux cleaned = 0.000387092 Jy ! Total flux subtracted in 200 components = 0.000387092 Jy ! Clean residual min=-0.004113 max=0.003467 Jy/beam ! Clean residual mean=-0.000003 rms=0.001029 Jy/beam ! Combined flux in latest and established models = 0.0813989 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 118 components and 0.0813989 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=0.113871Jy sigma=0.449711 ! Fit after self-cal, rms=0.113871Jy sigma=0.449228 ! 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=1.158 mas, bmaj=2.142 mas, bpa=5.318 degrees ! Estimated noise=0.496749 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.158 x 2.142 at 5.318 degrees (North through East) ! Clean map min=-0.0042987 max=0.036945 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=0.978 mas, bmaj=2.057 mas, bpa=5.34 degrees ! Estimated noise=1.20767 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0220861 Jy ! Component: 100 - total flux cleaned = 0.033369 Jy ! Component: 150 - total flux cleaned = 0.0414722 Jy ! Component: 200 - total flux cleaned = 0.0474982 Jy ! Total flux subtracted in 200 components = 0.0474982 Jy ! Clean residual min=-0.005483 max=0.005134 Jy/beam ! Clean residual mean=0.000010 rms=0.001434 Jy/beam ! Combined flux in latest and established models = 0.0474982 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 25 model components to the UV plane model. ! The established model now contains 25 components and 0.0474982 Jy ! Inverting map and beam ! Estimated beam: bmin=1.158 mas, bmaj=2.142 mas, bpa=5.318 degrees ! Estimated noise=0.496749 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 = 0.00801732 Jy ! Component: 100 - total flux cleaned = 0.0124425 Jy ! Component: 150 - total flux cleaned = 0.0161893 Jy ! Component: 200 - total flux cleaned = 0.0192042 Jy ! Total flux subtracted in 200 components = 0.0192042 Jy ! Clean residual min=-0.004760 max=0.003822 Jy/beam ! Clean residual mean=0.000003 rms=0.001140 Jy/beam ! Combined flux in latest and established models = 0.0667023 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 55 components and 0.0667023 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=2.207 mas, bmaj=2.338 mas, bpa=10.85 degrees ! Estimated noise=0.550705 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.005383 Jy ! Component: 100 - total flux cleaned = 0.00796286 Jy ! Component: 150 - total flux cleaned = 0.00996515 Jy ! Component: 200 - total flux cleaned = 0.0112491 Jy ! Total flux subtracted in 200 components = 0.0112491 Jy ! Clean residual min=-0.005262 max=0.004017 Jy/beam ! Clean residual mean=-0.000001 rms=0.001228 Jy/beam ! Combined flux in latest and established models = 0.0779514 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 = 0.000422647 Jy ! Component: 100 - total flux cleaned = 0.00065455 Jy ! Component: 150 - total flux cleaned = 0.0008041 Jy ! Component: 200 - total flux cleaned = 0.000977805 Jy ! Total flux subtracted in 200 components = 0.000977805 Jy ! Clean residual min=-0.004650 max=0.003775 Jy/beam ! Clean residual mean=-0.000002 rms=0.001121 Jy/beam ! Combined flux in latest and established models = 0.0789292 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 93 components and 0.0789292 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.158 mas, bmaj=2.142 mas, bpa=5.318 degrees ! Estimated noise=0.496749 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000587322 Jy ! Component: 100 - total flux cleaned = 0.00114574 Jy ! Component: 150 - total flux cleaned = 0.00114892 Jy ! Component: 200 - total flux cleaned = 0.00111934 Jy ! Total flux subtracted in 200 components = 0.00111934 Jy ! Clean residual min=-0.003297 max=0.003062 Jy/beam ! Clean residual mean=-0.000001 rms=0.000767 Jy/beam ! Combined flux in latest and established models = 0.0800486 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 105 components and 0.0800486 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=0.113783Jy sigma=0.450903 ! Fit after self-cal, rms=0.113740Jy sigma=0.449723 wmodel J1831+2907_X_map.mod ! Writing 105 model components to file: J1831+2907_X_map.mod wobs J1831+2907_X_uvs.fits ! Writing UV FITS file: J1831+2907_X_uvs.fits wwins J1831+2907_X_map.win ! wwins: Wrote 2 windows to J1831+2907_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 = -0.000390302 Jy ! Component: 100 - total flux cleaned = -0.000585516 Jy ! Component: 150 - total flux cleaned = -0.000586981 Jy ! Component: 200 - total flux cleaned = -0.000542179 Jy ! Component: 250 - total flux cleaned = -0.000416581 Jy ! Component: 300 - total flux cleaned = -0.000376375 Jy ! Component: 350 - total flux cleaned = -0.000257617 Jy ! Component: 400 - total flux cleaned = -0.000218841 Jy ! Component: 450 - total flux cleaned = -0.000180764 Jy ! Component: 500 - total flux cleaned = -0.000107972 Jy ! Component: 550 - total flux cleaned = -2.07687e-06 Jy ! Component: 600 - total flux cleaned = 0.000101773 Jy ! Component: 650 - total flux cleaned = 0.000339239 Jy ! Component: 700 - total flux cleaned = 0.000438294 Jy ! Component: 750 - total flux cleaned = 0.000439041 Jy ! Component: 800 - total flux cleaned = 0.00059957 Jy ! Component: 850 - total flux cleaned = 0.0006312 Jy ! Component: 900 - total flux cleaned = 0.000723911 Jy ! Component: 950 - total flux cleaned = 0.000844599 Jy ! Component: 1000 - total flux cleaned = 0.00102239 Jy ! Component: 1050 - total flux cleaned = 0.00102213 Jy ! Component: 1100 - total flux cleaned = 0.00107963 Jy ! Component: 1150 - total flux cleaned = 0.00107942 Jy ! Component: 1200 - total flux cleaned = 0.00113539 Jy ! Component: 1250 - total flux cleaned = 0.00124603 Jy ! Component: 1300 - total flux cleaned = 0.00119155 Jy ! Component: 1350 - total flux cleaned = 0.00127244 Jy ! Component: 1400 - total flux cleaned = 0.00137879 Jy ! Component: 1450 - total flux cleaned = 0.00140488 Jy ! Component: 1500 - total flux cleaned = 0.00150838 Jy ! Component: 1550 - total flux cleaned = 0.0016108 Jy ! Component: 1600 - total flux cleaned = 0.00158554 Jy ! Component: 1650 - total flux cleaned = 0.00166074 Jy ! Component: 1700 - total flux cleaned = 0.00175928 Jy ! Component: 1750 - total flux cleaned = 0.00168609 Jy ! Component: 1800 - total flux cleaned = 0.0017346 Jy ! Component: 1850 - total flux cleaned = 0.00175846 Jy ! Component: 1900 - total flux cleaned = 0.00180567 Jy ! Component: 1950 - total flux cleaned = 0.00180569 Jy ! Component: 2000 - total flux cleaned = 0.0019451 Jy ! Component: 2050 - total flux cleaned = 0.00194483 Jy ! Component: 2100 - total flux cleaned = 0.00203565 Jy ! Component: 2150 - total flux cleaned = 0.00203527 Jy ! Component: 2200 - total flux cleaned = 0.00201294 Jy ! Component: 2250 - total flux cleaned = 0.00207923 Jy ! Component: 2300 - total flux cleaned = 0.00205743 Jy ! Component: 2350 - total flux cleaned = 0.00201431 Jy ! Component: 2400 - total flux cleaned = 0.00203574 Jy ! Component: 2450 - total flux cleaned = 0.00201448 Jy ! Component: 2500 - total flux cleaned = 0.00201469 Jy ! Component: 2550 - total flux cleaned = 0.00199344 Jy ! Component: 2600 - total flux cleaned = 0.0019107 Jy ! Component: 2650 - total flux cleaned = 0.00189019 Jy ! Component: 2700 - total flux cleaned = 0.00189015 Jy ! Component: 2750 - total flux cleaned = 0.00186982 Jy ! Component: 2800 - total flux cleaned = 0.00182957 Jy ! Component: 2850 - total flux cleaned = 0.00186941 Jy ! Component: 2900 - total flux cleaned = 0.00181007 Jy ! Component: 2950 - total flux cleaned = 0.00179051 Jy ! Component: 3000 - total flux cleaned = 0.00177107 Jy ! Component: 3050 - total flux cleaned = 0.00175201 Jy ! Component: 3100 - total flux cleaned = 0.00175205 Jy ! Component: 3150 - total flux cleaned = 0.00171439 Jy ! Component: 3200 - total flux cleaned = 0.00167689 Jy ! Component: 3250 - total flux cleaned = 0.00169578 Jy ! Component: 3300 - total flux cleaned = 0.00167703 Jy ! Component: 3350 - total flux cleaned = 0.0016221 Jy ! Component: 3400 - total flux cleaned = 0.00158556 Jy ! Component: 3450 - total flux cleaned = 0.00158566 Jy ! Component: 3500 - total flux cleaned = 0.00149576 Jy ! Component: 3550 - total flux cleaned = 0.0015134 Jy ! Component: 3600 - total flux cleaned = 0.00145999 Jy ! Component: 3650 - total flux cleaned = 0.00140715 Jy ! Component: 3700 - total flux cleaned = 0.00133735 Jy ! Component: 3750 - total flux cleaned = 0.0013025 Jy ! Component: 3800 - total flux cleaned = 0.00131986 Jy ! Component: 3850 - total flux cleaned = 0.00128554 Jy ! Component: 3900 - total flux cleaned = 0.00130253 Jy ! Component: 3950 - total flux cleaned = 0.00130237 Jy ! Component: 4000 - total flux cleaned = 0.00126854 Jy ! Component: 4050 - total flux cleaned = 0.00121823 Jy ! Total flux subtracted in 4096 components = 0.00120149 Jy ! Clean residual min=-0.000919 max=0.001141 Jy/beam ! Clean residual mean=-0.000001 rms=0.000333 Jy/beam ! Combined flux in latest and established models = 0.0812501 Jy keep ! Adding 320 model components to the UV plane model. ! The established model now contains 425 components and 0.0812501 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1831+2907_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.158 x 2.142 at 5.318 degrees (North through East) ! Clean map min=-0.0041813 max=0.035728 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1831+2907_X_map.fits wmodel /image_prod/ug002_uva//J1831+2907_X_map.mod ! Writing 425 model components to file: /image_prod/ug002_uva//J1831+2907_X_map.mod wobs /image_prod/ug002_uva//J1831+2907_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1831+2907_X_uvs.fits wwins /image_prod/ug002_uva//J1831+2907_X_map.win ! wwins: Wrote 3 windows to /image_prod/ug002_uva//J1831+2907_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0357276 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000335295 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -2.81543 2.81543 5.63086 11.2617 22.5234 45.0469 90.0937 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.035 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 106.555 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1831+2907_X_dfm.log closed on Thu Mar 5 03:47:21 2020