! Started logfile: /image_prod/ug002_uva//J1557+4522_X_dfm.log on Thu Mar 5 02:30:13 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//J1557+4522_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1557+4522_X_uva.fits ! AN table 1: 45 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.983951 visibilities/baseline/integration-bin. ! Found source: J1557+4522 ! ! 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 19128 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 J1557+4522_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. ! ! 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=1.004241Jy sigma=9.578966 ! Fit after self-cal, rms=0.931019Jy sigma=8.893380 ! 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=0.7831 mas, bmaj=1.575 mas, bpa=-28.73 degrees ! Estimated noise=1.12815 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 = 0.0513098 Jy ! Component: 100 - total flux cleaned = 0.0648717 Jy ! Total flux subtracted in 100 components = 0.0648717 Jy ! Clean residual min=-0.002770 max=0.005548 Jy/beam ! Clean residual mean=0.000002 rms=0.000759 Jy/beam ! Combined flux in latest and established models = 0.0648717 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0648717 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=0.061389Jy sigma=0.512338 ! Fit after self-cal, rms=0.060970Jy sigma=0.508814 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00617302 Jy ! Component: 100 - total flux cleaned = 0.00897331 Jy ! Total flux subtracted in 100 components = 0.00897331 Jy ! Clean residual min=-0.002720 max=0.002961 Jy/beam ! Clean residual mean=-0.000000 rms=0.000674 Jy/beam ! Combined flux in latest and established models = 0.073845 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.073845 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=0.060206Jy sigma=0.501517 ! Fit after self-cal, rms=0.060203Jy sigma=0.501415 ! 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=1.057 mas, bmaj=1.835 mas, bpa=-26.96 degrees ! Estimated noise=0.546032 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 = 0.00249947 Jy ! Component: 100 - total flux cleaned = 0.0038255 Jy ! Component: 150 - total flux cleaned = 0.0045776 Jy ! Component: 200 - total flux cleaned = 0.00491315 Jy ! Total flux subtracted in 200 components = 0.00491315 Jy ! Clean residual min=-0.002497 max=0.002398 Jy/beam ! Clean residual mean=-0.000004 rms=0.000524 Jy/beam ! Combined flux in latest and established models = 0.0787582 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 25 components and 0.0787582 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=0.060093Jy sigma=0.500457 ! Fit after self-cal, rms=0.060091Jy sigma=0.500408 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.057 x 1.835 at -26.96 degrees (North through East) ! Clean map min=-0.0024482 max=0.069186 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.96 KP 1.15 ! LA 0.95 MK 1.06 NL 1.19 OV 0.93 ! PT 0.91 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.02 HN 0.97 KP 1.11 ! LA 0.97 MK 1.03 NL 1.13 OV 0.92 ! PT 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.02 HN 0.98 KP 1.07 ! LA 0.99 MK 1.08 NL 1.17 OV 0.93 ! PT 0.88 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 HN 0.98 KP 1.13 ! LA 0.98 MK 1.07 NL 1.17 OV 0.92 ! PT 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 1.03 KP 1.09 ! LA 0.98 MK 0.96 NL 1.08 OV 0.96 ! PT 0.91 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.95 HN 0.95 KP 1.13 ! LA 1.01 MK 1.02 NL 1.19 OV 0.96 ! PT 0.90 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.03 HN 0.89 KP 1.10 ! LA 1.01 MK 0.96 NL 1.17 OV 0.91 ! PT 0.92 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.93 HN 0.94 KP 1.13 ! LA 1.04 MK 1.01 NL 1.23 OV 0.89 ! PT 0.87 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 0.91 KP 1.05 ! LA 0.98 MK 1.06 NL 1.21 OV 0.95 ! PT 0.92 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HN 0.92 KP 1.09 ! LA 0.98 MK 1.01 NL 1.19 OV 0.93 ! PT 0.88 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 HN 0.98 KP 1.13 ! LA 0.99 MK 0.98 NL 1.16 OV 0.91 ! PT 0.87 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.99 HN 0.94 KP 1.09 ! LA 1.02 MK 1.02 NL 1.16 OV 0.87 ! PT 0.90 ! ! ! Fit before self-cal, rms=0.060091Jy sigma=0.500408 ! Fit after self-cal, rms=0.058080Jy sigma=0.494241 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.063 mas, bmaj=1.834 mas, bpa=-26.84 degrees ! Estimated noise=0.546491 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 = -0.00025169 Jy ! Component: 100 - total flux cleaned = -0.000264733 Jy ! Component: 150 - total flux cleaned = -0.000264194 Jy ! Component: 200 - total flux cleaned = -0.000273775 Jy ! Total flux subtracted in 200 components = -0.000273775 Jy ! Clean residual min=-0.001197 max=0.001210 Jy/beam ! Clean residual mean=0.000001 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.0784844 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 34 components and 0.0784844 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=0.058073Jy sigma=0.494185 ! Fit after self-cal, rms=0.058093Jy sigma=0.493968 ! 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=0.058093Jy sigma=0.493968 ! Fit after self-cal, rms=0.057359Jy sigma=0.491976 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.063 mas, bmaj=1.837 mas, bpa=-27.06 degrees ! Estimated noise=0.546379 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.06223e-05 Jy ! Component: 100 - total flux cleaned = -7.96739e-05 Jy ! Component: 150 - total flux cleaned = -8.58193e-05 Jy ! Component: 200 - total flux cleaned = -9.15615e-05 Jy ! Total flux subtracted in 200 components = -9.15615e-05 Jy ! Clean residual min=-0.000995 max=0.001096 Jy/beam ! Clean residual mean=-0.000001 rms=0.000256 Jy/beam ! Combined flux in latest and established models = 0.0783928 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 38 components and 0.0783928 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=0.057357Jy sigma=0.491957 ! Fit after self-cal, rms=0.057367Jy sigma=0.491835 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 (-28, -43.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00092488 Jy ! Component: 100 - total flux cleaned = 0.00104844 Jy ! Component: 150 - total flux cleaned = 0.0010835 Jy ! Component: 200 - total flux cleaned = 0.00109946 Jy ! Total flux subtracted in 200 components = 0.00109946 Jy ! Clean residual min=-0.000993 max=0.001114 Jy/beam ! Clean residual mean=-0.000002 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.0794923 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 56 components and 0.0794923 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=0.057348Jy sigma=0.491656 ! Fit after self-cal, rms=0.057346Jy sigma=0.491643 ! Inverting map ! Added new window around map position (-6.2, 8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000542449 Jy ! Component: 100 - total flux cleaned = 0.000858505 Jy ! Component: 150 - total flux cleaned = 0.00105819 Jy ! Component: 200 - total flux cleaned = 0.00118183 Jy ! Total flux subtracted in 200 components = 0.00118183 Jy ! Clean residual min=-0.000968 max=0.001031 Jy/beam ! Clean residual mean=-0.000002 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.0806741 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 74 components and 0.0806741 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=0.057322Jy sigma=0.491441 ! Fit after self-cal, rms=0.057320Jy sigma=0.491424 ! Inverting map ! Added new window around map position (-19.2, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00054633 Jy ! Component: 100 - total flux cleaned = 0.000640582 Jy ! Component: 150 - total flux cleaned = 0.000798403 Jy ! Component: 200 - total flux cleaned = 0.000896063 Jy ! Total flux subtracted in 200 components = 0.000896063 Jy ! Clean residual min=-0.000949 max=0.000955 Jy/beam ! Clean residual mean=-0.000001 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.0815702 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 87 components and 0.0815702 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=0.057301Jy sigma=0.491264 ! Fit after self-cal, rms=0.057301Jy sigma=0.491252 ! 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=0.057301Jy sigma=0.491252 ! Fit after self-cal, rms=0.057109Jy sigma=0.491196 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.062 mas, bmaj=1.837 mas, bpa=-27.18 degrees ! Estimated noise=0.545698 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000455015 Jy ! Component: 100 - total flux cleaned = 0.000592602 Jy ! Component: 150 - total flux cleaned = 0.000623096 Jy ! Component: 200 - total flux cleaned = 0.000652678 Jy ! Total flux subtracted in 200 components = 0.000652678 Jy ! Clean residual min=-0.000927 max=0.000941 Jy/beam ! Clean residual mean=-0.000001 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.0822229 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 96 components and 0.0822229 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=0.057099Jy sigma=0.491115 ! Fit after self-cal, rms=0.057098Jy sigma=0.491110 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 = 9.02349e-05 Jy ! Component: 100 - total flux cleaned = 8.97236e-05 Jy ! Component: 150 - total flux cleaned = 7.64784e-05 Jy ! Component: 200 - total flux cleaned = 8.94742e-05 Jy ! Total flux subtracted in 200 components = 8.94742e-05 Jy ! Clean residual min=-0.000918 max=0.000942 Jy/beam ! Clean residual mean=-0.000001 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0823123 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 97 components and 0.0823124 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=0.057092Jy sigma=0.491059 ! Fit after self-cal, rms=0.057092Jy sigma=0.491058 ! 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=0.057092Jy sigma=0.491058 ! Fit after self-cal, rms=0.057070Jy sigma=0.491053 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.425 mas, bmaj=2.59 mas, bpa=-12.17 degrees ! Estimated noise=0.649551 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00032727 Jy ! Component: 100 - total flux cleaned = 0.000501574 Jy ! Component: 150 - total flux cleaned = 0.000631762 Jy ! Component: 200 - total flux cleaned = 0.000728232 Jy ! Total flux subtracted in 200 components = 0.000728232 Jy ! Clean residual min=-0.001066 max=0.000937 Jy/beam ! Clean residual mean=-0.000001 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.0830406 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 110 components and 0.0830406 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=0.057067Jy sigma=0.491027 ! Fit after self-cal, rms=0.057067Jy sigma=0.491025 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 = 0.000118528 Jy ! Component: 100 - total flux cleaned = 0.000186871 Jy ! Component: 150 - total flux cleaned = 0.000269681 Jy ! Component: 200 - total flux cleaned = 0.000356791 Jy ! Total flux subtracted in 200 components = 0.000356791 Jy ! Clean residual min=-0.001062 max=0.000938 Jy/beam ! Clean residual mean=-0.000001 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.0833974 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 119 components and 0.0833974 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=0.057065Jy sigma=0.491013 ! Fit after self-cal, rms=0.057065Jy sigma=0.491014 ! 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=1.061 mas, bmaj=1.837 mas, bpa=-27.2 degrees ! Estimated noise=0.545801 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.061 x 1.837 at -27.2 degrees (North through East) ! Clean map min=-0.00089601 max=0.069369 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=0.7861 mas, bmaj=1.577 mas, bpa=-28.96 degrees ! Estimated noise=1.13525 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0517173 Jy ! Component: 100 - total flux cleaned = 0.0657219 Jy ! Component: 150 - total flux cleaned = 0.0715282 Jy ! Component: 200 - total flux cleaned = 0.074279 Jy ! Total flux subtracted in 200 components = 0.074279 Jy ! Clean residual min=-0.002337 max=0.002448 Jy/beam ! Clean residual mean=0.000001 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.074279 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.074279 Jy ! Inverting map and beam ! Estimated beam: bmin=1.061 mas, bmaj=1.837 mas, bpa=-27.2 degrees ! Estimated noise=0.545801 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 = 0.00244081 Jy ! Component: 100 - total flux cleaned = 0.00392996 Jy ! Component: 150 - total flux cleaned = 0.00504958 Jy ! Component: 200 - total flux cleaned = 0.00582494 Jy ! Total flux subtracted in 200 components = 0.00582494 Jy ! Clean residual min=-0.001023 max=0.001011 Jy/beam ! Clean residual mean=0.000000 rms=0.000250 Jy/beam ! Combined flux in latest and established models = 0.0801039 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 36 components and 0.080104 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=2.425 mas, bmaj=2.59 mas, bpa=-12.17 degrees ! Estimated noise=0.649551 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000723394 Jy ! Component: 100 - total flux cleaned = 0.00116252 Jy ! Component: 150 - total flux cleaned = 0.00160281 Jy ! Component: 200 - total flux cleaned = 0.00181821 Jy ! Total flux subtracted in 200 components = 0.00181821 Jy ! Clean residual min=-0.001076 max=0.000982 Jy/beam ! Clean residual mean=-0.000001 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.0819222 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 = 0.000175332 Jy ! Component: 100 - total flux cleaned = 0.000369747 Jy ! Component: 150 - total flux cleaned = 0.00046709 Jy ! Component: 200 - total flux cleaned = 0.000601457 Jy ! Total flux subtracted in 200 components = 0.000601457 Jy ! Clean residual min=-0.001067 max=0.000942 Jy/beam ! Clean residual mean=-0.000001 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.0825236 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 69 components and 0.0825236 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.061 mas, bmaj=1.837 mas, bpa=-27.2 degrees ! Estimated noise=0.545801 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.40937e-05 Jy ! Component: 100 - total flux cleaned = 3.33824e-05 Jy ! Component: 150 - total flux cleaned = 3.30351e-05 Jy ! Component: 200 - total flux cleaned = 6.78134e-05 Jy ! Total flux subtracted in 200 components = 6.78134e-05 Jy ! Clean residual min=-0.000963 max=0.000936 Jy/beam ! Clean residual mean=-0.000000 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.0825914 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 93 components and 0.0825914 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=0.057089Jy sigma=0.491208 ! Fit after self-cal, rms=0.057085Jy sigma=0.491176 wmodel J1557+4522_X_map.mod ! Writing 93 model components to file: J1557+4522_X_map.mod wobs J1557+4522_X_uvs.fits ! Writing UV FITS file: J1557+4522_X_uvs.fits wwins J1557+4522_X_map.win ! wwins: Wrote 4 windows to J1557+4522_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 = -0.00024822 Jy ! Component: 100 - total flux cleaned = -0.000394459 Jy ! Component: 150 - total flux cleaned = -0.000502972 Jy ! Component: 200 - total flux cleaned = -0.00059319 Jy ! Component: 250 - total flux cleaned = -0.000636674 Jy ! Component: 300 - total flux cleaned = -0.000679291 Jy ! Component: 350 - total flux cleaned = -0.000679297 Jy ! Component: 400 - total flux cleaned = -0.000761168 Jy ! Component: 450 - total flux cleaned = -0.000760648 Jy ! Component: 500 - total flux cleaned = -0.000747413 Jy ! Component: 550 - total flux cleaned = -0.000824978 Jy ! Component: 600 - total flux cleaned = -0.000888121 Jy ! Component: 650 - total flux cleaned = -0.000938012 Jy ! Component: 700 - total flux cleaned = -0.00102445 Jy ! Component: 750 - total flux cleaned = -0.00108553 Jy ! Component: 800 - total flux cleaned = -0.00119398 Jy ! Component: 850 - total flux cleaned = -0.00127713 Jy ! Component: 900 - total flux cleaned = -0.00135937 Jy ! Component: 950 - total flux cleaned = -0.00146381 Jy ! Component: 1000 - total flux cleaned = -0.00155539 Jy ! Component: 1050 - total flux cleaned = -0.00158955 Jy ! Component: 1100 - total flux cleaned = -0.00173553 Jy ! Component: 1150 - total flux cleaned = -0.00176884 Jy ! Component: 1200 - total flux cleaned = -0.00184583 Jy ! Component: 1250 - total flux cleaned = -0.00191104 Jy ! Component: 1300 - total flux cleaned = -0.00188953 Jy ! Component: 1350 - total flux cleaned = -0.00195376 Jy ! Component: 1400 - total flux cleaned = -0.00197486 Jy ! Component: 1450 - total flux cleaned = -0.00201692 Jy ! Component: 1500 - total flux cleaned = -0.00202733 Jy ! Component: 1550 - total flux cleaned = -0.00205823 Jy ! Component: 1600 - total flux cleaned = -0.00209927 Jy ! Component: 1650 - total flux cleaned = -0.00208908 Jy ! Component: 1700 - total flux cleaned = -0.00214952 Jy ! Component: 1750 - total flux cleaned = -0.00212957 Jy ! Component: 1800 - total flux cleaned = -0.00217907 Jy ! Component: 1850 - total flux cleaned = -0.00221832 Jy ! Component: 1900 - total flux cleaned = -0.00222812 Jy ! Component: 1950 - total flux cleaned = -0.00224748 Jy ! Component: 2000 - total flux cleaned = -0.00227627 Jy ! Component: 2050 - total flux cleaned = -0.00230477 Jy ! Component: 2100 - total flux cleaned = -0.00234262 Jy ! Component: 2150 - total flux cleaned = -0.00241741 Jy ! Component: 2200 - total flux cleaned = -0.00240806 Jy ! Component: 2250 - total flux cleaned = -0.00246342 Jy ! Component: 2300 - total flux cleaned = -0.00249995 Jy ! Component: 2350 - total flux cleaned = -0.00254527 Jy ! Component: 2400 - total flux cleaned = -0.00256322 Jy ! Component: 2450 - total flux cleaned = -0.00260797 Jy ! Component: 2500 - total flux cleaned = -0.00263461 Jy ! Component: 2550 - total flux cleaned = -0.00264351 Jy ! Component: 2600 - total flux cleaned = -0.00268737 Jy ! Component: 2650 - total flux cleaned = -0.00272207 Jy ! Component: 2700 - total flux cleaned = -0.00272202 Jy ! Component: 2750 - total flux cleaned = -0.00275637 Jy ! Component: 2800 - total flux cleaned = -0.00281593 Jy ! Component: 2850 - total flux cleaned = -0.00279052 Jy ! Component: 2900 - total flux cleaned = -0.0028494 Jy ! Component: 2950 - total flux cleaned = -0.00284106 Jy ! Component: 3000 - total flux cleaned = -0.00291587 Jy ! Component: 3050 - total flux cleaned = -0.00294069 Jy ! Component: 3100 - total flux cleaned = -0.00298994 Jy ! Component: 3150 - total flux cleaned = -0.00303072 Jy ! Component: 3200 - total flux cleaned = -0.00303884 Jy ! Component: 3250 - total flux cleaned = -0.00308723 Jy ! Component: 3300 - total flux cleaned = -0.00314338 Jy ! Component: 3350 - total flux cleaned = -0.0031753 Jy ! Component: 3400 - total flux cleaned = -0.00319908 Jy ! Component: 3450 - total flux cleaned = -0.00326209 Jy ! Component: 3500 - total flux cleaned = -0.00326211 Jy ! Component: 3550 - total flux cleaned = -0.00330882 Jy ! Component: 3600 - total flux cleaned = -0.00333207 Jy ! Component: 3650 - total flux cleaned = -0.00339371 Jy ! Component: 3700 - total flux cleaned = -0.00341665 Jy ! Component: 3750 - total flux cleaned = -0.00342418 Jy ! Component: 3800 - total flux cleaned = -0.00347724 Jy ! Component: 3850 - total flux cleaned = -0.00350734 Jy ! Component: 3900 - total flux cleaned = -0.00354481 Jy ! Component: 3950 - total flux cleaned = -0.00358206 Jy ! Component: 4000 - total flux cleaned = -0.00363399 Jy ! Component: 4050 - total flux cleaned = -0.0036561 Jy ! Total flux subtracted in 4096 components = -0.00367078 Jy ! Clean residual min=-0.000441 max=0.000533 Jy/beam ! Clean residual mean=-0.000000 rms=0.000127 Jy/beam ! Combined flux in latest and established models = 0.0789206 Jy keep ! Adding 299 model components to the UV plane model. ! The established model now contains 392 components and 0.0789207 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1557+4522_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.061 x 1.837 at -27.2 degrees (North through East) ! Clean map min=-0.00074215 max=0.069438 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1557+4522_X_map.fits wmodel /image_prod/ug002_uva//J1557+4522_X_map.mod ! Writing 392 model components to file: /image_prod/ug002_uva//J1557+4522_X_map.mod wobs /image_prod/ug002_uva//J1557+4522_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1557+4522_X_uvs.fits wwins /image_prod/ug002_uva//J1557+4522_X_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uva//J1557+4522_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0694382 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000125936 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.544093 0.544093 1.08819 2.17637 4.35275 8.70549 17.411 34.822 69.644 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.069 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 551.375 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1557+4522_X_dfm.log closed on Thu Mar 5 02:30:17 2020