! Started logfile: /image_prod/ug002_uva//J1838-1853_X_a_dfm.log on Thu Mar 5 03:52:28 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /image_prod/ug002_uva//J1838-1853_X_a_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1838-1853_X_a_uva.fits ! AN table 1: 60 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.888889 visibilities/baseline/integration-bin. ! Found source: J1838-1853 ! ! 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 23040 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1838-1853_X_a] 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=1.002220Jy sigma=8.698714 ! Fit after self-cal, rms=0.968291Jy sigma=8.421077 ! 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=0.7289 mas, bmaj=3.223 mas, bpa=-23.28 degrees ! Estimated noise=1.16582 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 = 0.0269756 Jy ! Component: 100 - total flux cleaned = 0.0333797 Jy ! Total flux subtracted in 100 components = 0.0333797 Jy ! Clean residual min=-0.004954 max=0.004567 Jy/beam ! Clean residual mean=-0.000010 rms=0.001011 Jy/beam ! Combined flux in latest and established models = 0.0333797 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0333797 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=0.063445Jy sigma=0.494566 ! Fit after self-cal, rms=0.061633Jy sigma=0.478303 ! 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=0.9893 mas, bmaj=3.711 mas, bpa=-20.52 degrees ! Estimated noise=0.545521 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 = 0.00204443 Jy ! Component: 100 - total flux cleaned = 0.00194697 Jy ! Component: 150 - total flux cleaned = 0.00194771 Jy ! Component: 200 - total flux cleaned = 0.00173587 Jy ! Total flux subtracted in 200 components = 0.00173587 Jy ! Clean residual min=-0.002709 max=0.002768 Jy/beam ! Clean residual mean=-0.000004 rms=0.000576 Jy/beam ! Combined flux in latest and established models = 0.0351156 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 23 components and 0.0351156 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=0.061245Jy sigma=0.476017 ! Fit after self-cal, rms=0.061115Jy sigma=0.475694 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9893 x 3.711 at -20.52 degrees (North through East) ! Clean map min=-0.0028042 max=0.035249 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.77 FD 1.06 HN 1.09 KP 1.19 ! LA 1.07 MK 1.15 NL 1.25 OV 0.92 ! PT 0.84 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.77 FD 1.06 HN 1.02 KP 1.14 ! LA 0.99 MK 1.15 NL 1.19 OV 0.91 ! PT 0.92 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.76 FD 1.05 HN 0.94 KP 1.29 ! LA 0.93 MK 1.10 NL 1.16 OV 0.98 ! PT 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.73 FD 1.07 HN 0.92 KP 1.28 ! LA 1.08 MK 1.07 NL 1.26 OV 1.00 ! PT 1.08 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.73 FD 1.12 HN 1.01 KP 1.30 ! LA 0.97 MK 1.04 NL 1.08 OV 1.00 ! PT 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.62 FD 1.10 HN 0.88 KP 1.30 ! LA 1.00 MK 1.06 NL 1.23 OV 0.94 ! PT 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.74 FD 1.00 HN 0.85 KP 1.28 ! LA 1.01 MK 1.07 NL 1.19 OV 0.95 ! PT 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.72 FD 1.01 HN 0.83 KP 1.25 ! LA 1.02 MK 1.02 NL 1.14 OV 0.97 ! PT 0.94 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.70 FD 0.98 HN 0.78 KP 1.25 ! LA 1.01 MK 0.94 NL 1.15 OV 0.95 ! PT 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.65 FD 0.95 HN 0.82 KP 1.17 ! LA 0.93 MK 1.09 NL 1.21 OV 0.95 ! PT 0.91 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.64 FD 0.92 HN 0.80 KP 1.35 ! LA 0.94 MK 0.90 NL 0.99 OV 0.94 ! PT 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.63 FD 0.92 HN 0.87 KP 1.12 ! LA 1.05 MK 0.99 NL 1.09 OV 0.97 ! PT 0.87 ! ! ! Fit before self-cal, rms=0.061115Jy sigma=0.475694 ! Fit after self-cal, rms=0.054122Jy sigma=0.470714 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.003 mas, bmaj=3.503 mas, bpa=-20.23 degrees ! Estimated noise=0.533744 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 = 0.000718533 Jy ! Component: 100 - total flux cleaned = 0.000771961 Jy ! Component: 150 - total flux cleaned = 0.000770021 Jy ! Component: 200 - total flux cleaned = 0.000782673 Jy ! Total flux subtracted in 200 components = 0.000782673 Jy ! Clean residual min=-0.001192 max=0.001086 Jy/beam ! Clean residual mean=-0.000000 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.0358983 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 31 components and 0.0358983 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=0.054109Jy sigma=0.470605 ! Fit after self-cal, rms=0.054193Jy sigma=0.468813 ! 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=0.054193Jy sigma=0.468813 ! Fit after self-cal, rms=0.054911Jy sigma=0.467462 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.005 mas, bmaj=3.388 mas, bpa=-20.08 degrees ! Estimated noise=0.535406 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000725258 Jy ! Component: 100 - total flux cleaned = 0.000796897 Jy ! Component: 150 - total flux cleaned = 0.000810355 Jy ! Component: 200 - total flux cleaned = 0.000835091 Jy ! Total flux subtracted in 200 components = 0.000835091 Jy ! Clean residual min=-0.001053 max=0.001213 Jy/beam ! Clean residual mean=0.000001 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.0367334 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 43 components and 0.0367334 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=0.054897Jy sigma=0.467370 ! Fit after self-cal, rms=0.055083Jy sigma=0.466744 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 = -0.000476955 Jy ! Component: 100 - total flux cleaned = -0.000569574 Jy ! Component: 150 - total flux cleaned = -0.000602855 Jy ! Component: 200 - total flux cleaned = -0.000642756 Jy ! Total flux subtracted in 200 components = -0.000642756 Jy ! Clean residual min=-0.001218 max=0.001169 Jy/beam ! Clean residual mean=0.000000 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.0360906 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 57 components and 0.0360906 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=0.055077Jy sigma=0.466684 ! Fit after self-cal, rms=0.055092Jy sigma=0.466620 ! 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=0.055092Jy sigma=0.466620 ! Fit after self-cal, rms=0.055735Jy sigma=0.466361 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.005 mas, bmaj=3.343 mas, bpa=-20 degrees ! Estimated noise=0.534266 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000579746 Jy ! Component: 100 - total flux cleaned = 0.00065495 Jy ! Component: 150 - total flux cleaned = 0.000705423 Jy ! Component: 200 - total flux cleaned = 0.000727495 Jy ! Total flux subtracted in 200 components = 0.000727495 Jy ! Clean residual min=-0.001044 max=0.001115 Jy/beam ! Clean residual mean=0.000001 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.0368181 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 62 components and 0.0368181 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=0.055726Jy sigma=0.466298 ! Fit after self-cal, rms=0.055835Jy sigma=0.466157 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 = -0.000192367 Jy ! Component: 100 - total flux cleaned = -0.00020272 Jy ! Component: 150 - total flux cleaned = -0.000194411 Jy ! Component: 200 - total flux cleaned = -0.000186934 Jy ! Total flux subtracted in 200 components = -0.000186934 Jy ! Clean residual min=-0.001116 max=0.001107 Jy/beam ! Clean residual mean=0.000000 rms=0.000250 Jy/beam ! Combined flux in latest and established models = 0.0366312 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 66 components and 0.0366312 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=0.055832Jy sigma=0.466135 ! Fit after self-cal, rms=0.055841Jy sigma=0.466130 ! 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=0.055841Jy sigma=0.466130 ! Fit after self-cal, rms=0.056205Jy sigma=0.466043 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.405 mas, bmaj=4.523 mas, bpa=-0.9928 degrees ! Estimated noise=0.640738 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000568224 Jy ! Component: 100 - total flux cleaned = 0.000759257 Jy ! Component: 150 - total flux cleaned = 0.000833936 Jy ! Component: 200 - total flux cleaned = 0.000907901 Jy ! Total flux subtracted in 200 components = 0.000907901 Jy ! Clean residual min=-0.000984 max=0.001056 Jy/beam ! Clean residual mean=0.000000 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.0375391 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 70 components and 0.0375391 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=0.056201Jy sigma=0.466024 ! Fit after self-cal, rms=0.056252Jy sigma=0.465985 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 = 4.62739e-05 Jy ! Component: 100 - total flux cleaned = 9.03238e-05 Jy ! Component: 150 - total flux cleaned = 0.000118139 Jy ! Component: 200 - total flux cleaned = 0.000147785 Jy ! Total flux subtracted in 200 components = 0.000147785 Jy ! Clean residual min=-0.001022 max=0.001055 Jy/beam ! Clean residual mean=0.000001 rms=0.000276 Jy/beam ! Combined flux in latest and established models = 0.0376868 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 72 components and 0.0376868 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=0.056252Jy sigma=0.465993 ! Fit after self-cal, rms=0.056247Jy sigma=0.465991 ! 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=1.004 mas, bmaj=3.316 mas, bpa=-19.95 degrees ! Estimated noise=0.533204 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.004 x 3.316 at -19.95 degrees (North through East) ! Clean map min=-0.0010006 max=0.033949 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=0.7509 mas, bmaj=2.953 mas, bpa=-23.32 degrees ! Estimated noise=1.12685 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0280947 Jy ! Component: 100 - total flux cleaned = 0.0344875 Jy ! Component: 150 - total flux cleaned = 0.0359562 Jy ! Component: 200 - total flux cleaned = 0.0367953 Jy ! Total flux subtracted in 200 components = 0.0367953 Jy ! Clean residual min=-0.002601 max=0.002443 Jy/beam ! Clean residual mean=-0.000004 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 0.0367953 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 0.0367953 Jy ! Inverting map and beam ! Estimated beam: bmin=1.004 mas, bmaj=3.316 mas, bpa=-19.95 degrees ! Estimated noise=0.533204 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 = 5.3664e-05 Jy ! Component: 100 - total flux cleaned = 0.000234838 Jy ! Component: 150 - total flux cleaned = 0.000261021 Jy ! Component: 200 - total flux cleaned = 0.000242103 Jy ! Total flux subtracted in 200 components = 0.000242103 Jy ! Clean residual min=-0.001054 max=0.001157 Jy/beam ! Clean residual mean=0.000000 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.0370374 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 30 components and 0.0370374 Jy ! Inverting map ! Added new window around map position (50.8, -28.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00065566 Jy ! Component: 100 - total flux cleaned = 0.00090683 Jy ! Component: 150 - total flux cleaned = 0.000958548 Jy ! Component: 200 - total flux cleaned = 0.000958438 Jy ! Total flux subtracted in 200 components = 0.000958438 Jy ! Clean residual min=-0.000971 max=0.000968 Jy/beam ! Clean residual mean=0.000001 rms=0.000248 Jy/beam ! Combined flux in latest and established models = 0.0379958 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 43 components and 0.0379958 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=2.405 mas, bmaj=4.523 mas, bpa=-0.9928 degrees ! Estimated noise=0.640738 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000382216 Jy ! Component: 100 - total flux cleaned = 0.000532246 Jy ! Component: 150 - total flux cleaned = 0.000594595 Jy ! Component: 200 - total flux cleaned = 0.000626806 Jy ! Total flux subtracted in 200 components = 0.000626806 Jy ! Clean residual min=-0.000952 max=0.001004 Jy/beam ! Clean residual mean=0.000001 rms=0.000270 Jy/beam ! Combined flux in latest and established models = 0.0386226 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 = 2.23441e-05 Jy ! Component: 100 - total flux cleaned = 4.27284e-05 Jy ! Component: 150 - total flux cleaned = 6.93111e-05 Jy ! Component: 200 - total flux cleaned = 9.45448e-05 Jy ! Total flux subtracted in 200 components = 9.45448e-05 Jy ! Clean residual min=-0.000950 max=0.000991 Jy/beam ! Clean residual mean=0.000001 rms=0.000268 Jy/beam ! Combined flux in latest and established models = 0.0387172 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 62 components and 0.0387172 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.004 mas, bmaj=3.316 mas, bpa=-19.95 degrees ! Estimated noise=0.533204 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000255612 Jy ! Component: 100 - total flux cleaned = -0.000341182 Jy ! Component: 150 - total flux cleaned = -0.000405602 Jy ! Component: 200 - total flux cleaned = -0.000441889 Jy ! Total flux subtracted in 200 components = -0.000441889 Jy ! Clean residual min=-0.000961 max=0.000919 Jy/beam ! Clean residual mean=0.000001 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.0382753 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 76 components and 0.0382753 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=0.056241Jy sigma=0.465930 ! Fit after self-cal, rms=0.056232Jy sigma=0.465830 wmodel J1838-1853_X_a_map.mod ! Writing 76 model components to file: J1838-1853_X_a_map.mod wobs J1838-1853_X_a_uvs.fits ! Writing UV FITS file: J1838-1853_X_a_uvs.fits wwins J1838-1853_X_a_map.win ! wwins: Wrote 2 windows to J1838-1853_X_a_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 = -0.00034693 Jy ! Component: 100 - total flux cleaned = -0.000629943 Jy ! Component: 150 - total flux cleaned = -0.000802322 Jy ! Component: 200 - total flux cleaned = -0.000937938 Jy ! Component: 250 - total flux cleaned = -0.000981756 Jy ! Component: 300 - total flux cleaned = -0.00109384 Jy ! Component: 350 - total flux cleaned = -0.00110743 Jy ! Component: 400 - total flux cleaned = -0.00116093 Jy ! Component: 450 - total flux cleaned = -0.00121266 Jy ! Component: 500 - total flux cleaned = -0.00120003 Jy ! Component: 550 - total flux cleaned = -0.00124936 Jy ! Component: 600 - total flux cleaned = -0.00127352 Jy ! Component: 650 - total flux cleaned = -0.00129739 Jy ! Component: 700 - total flux cleaned = -0.00134376 Jy ! Component: 750 - total flux cleaned = -0.00135487 Jy ! Component: 800 - total flux cleaned = -0.00132162 Jy ! Component: 850 - total flux cleaned = -0.0013107 Jy ! Component: 900 - total flux cleaned = -0.00128952 Jy ! Component: 950 - total flux cleaned = -0.00128937 Jy ! Component: 1000 - total flux cleaned = -0.00125811 Jy ! Component: 1050 - total flux cleaned = -0.00122732 Jy ! Component: 1100 - total flux cleaned = -0.00119713 Jy ! Component: 1150 - total flux cleaned = -0.00116758 Jy ! Component: 1200 - total flux cleaned = -0.00113858 Jy ! Component: 1250 - total flux cleaned = -0.00109092 Jy ! Component: 1300 - total flux cleaned = -0.00105328 Jy ! Component: 1350 - total flux cleaned = -0.0010068 Jy ! Component: 1400 - total flux cleaned = -0.000979148 Jy ! Component: 1450 - total flux cleaned = -0.00090649 Jy ! Component: 1500 - total flux cleaned = -0.000870574 Jy ! Component: 1550 - total flux cleaned = -0.000835038 Jy ! Component: 1600 - total flux cleaned = -0.000799968 Jy ! Component: 1650 - total flux cleaned = -0.000799818 Jy ! Component: 1700 - total flux cleaned = -0.000739907 Jy ! Component: 1750 - total flux cleaned = -0.000723027 Jy ! Component: 1800 - total flux cleaned = -0.000706288 Jy ! Component: 1850 - total flux cleaned = -0.000681426 Jy ! Component: 1900 - total flux cleaned = -0.000673291 Jy ! Component: 1950 - total flux cleaned = -0.000665197 Jy ! Component: 2000 - total flux cleaned = -0.000616845 Jy ! Component: 2050 - total flux cleaned = -0.000592899 Jy ! Component: 2100 - total flux cleaned = -0.000569285 Jy ! Component: 2150 - total flux cleaned = -0.000538014 Jy ! Component: 2200 - total flux cleaned = -0.000538062 Jy ! Component: 2250 - total flux cleaned = -0.00054582 Jy ! Component: 2300 - total flux cleaned = -0.000538239 Jy ! Component: 2350 - total flux cleaned = -0.000523171 Jy ! Component: 2400 - total flux cleaned = -0.000508127 Jy ! Component: 2450 - total flux cleaned = -0.000508098 Jy ! Component: 2500 - total flux cleaned = -0.000493251 Jy ! Component: 2550 - total flux cleaned = -0.000485871 Jy ! Component: 2600 - total flux cleaned = -0.000471336 Jy ! Component: 2650 - total flux cleaned = -0.000471357 Jy ! Component: 2700 - total flux cleaned = -0.000507118 Jy ! Component: 2750 - total flux cleaned = -0.000521279 Jy ! Component: 2800 - total flux cleaned = -0.00050707 Jy ! Component: 2850 - total flux cleaned = -0.00051398 Jy ! Component: 2900 - total flux cleaned = -0.000513935 Jy ! Component: 2950 - total flux cleaned = -0.000500004 Jy ! Component: 3000 - total flux cleaned = -0.000486232 Jy ! Component: 3050 - total flux cleaned = -0.000479422 Jy ! Component: 3100 - total flux cleaned = -0.000472708 Jy ! Component: 3150 - total flux cleaned = -0.00049275 Jy ! Component: 3200 - total flux cleaned = -0.000459522 Jy ! Component: 3250 - total flux cleaned = -0.000459525 Jy ! Component: 3300 - total flux cleaned = -0.000452962 Jy ! Component: 3350 - total flux cleaned = -0.000452992 Jy ! Component: 3400 - total flux cleaned = -0.000452987 Jy ! Component: 3450 - total flux cleaned = -0.000453007 Jy ! Component: 3500 - total flux cleaned = -0.000433787 Jy ! Component: 3550 - total flux cleaned = -0.000427415 Jy ! Component: 3600 - total flux cleaned = -0.000414784 Jy ! Component: 3650 - total flux cleaned = -0.000427304 Jy ! Component: 3700 - total flux cleaned = -0.000421019 Jy ! Component: 3750 - total flux cleaned = -0.000420957 Jy ! Component: 3800 - total flux cleaned = -0.000414753 Jy ! Component: 3850 - total flux cleaned = -0.000408553 Jy ! Component: 3900 - total flux cleaned = -0.000396321 Jy ! Component: 3950 - total flux cleaned = -0.000402361 Jy ! Component: 4000 - total flux cleaned = -0.000360112 Jy ! Component: 4050 - total flux cleaned = -0.000372094 Jy ! Total flux subtracted in 4096 components = -0.0003423 Jy ! Clean residual min=-0.000395 max=0.000362 Jy/beam ! Clean residual mean=-0.000000 rms=0.000107 Jy/beam ! Combined flux in latest and established models = 0.037933 Jy keep ! Adding 288 model components to the UV plane model. ! The established model now contains 364 components and 0.037933 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1838-1853_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.004 x 3.316 at -19.95 degrees (North through East) ! Clean map min=-0.00074356 max=0.03432 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1838-1853_X_a_map.fits wmodel /image_prod/ug002_uva//J1838-1853_X_a_map.mod ! Writing 364 model components to file: /image_prod/ug002_uva//J1838-1853_X_a_map.mod wobs /image_prod/ug002_uva//J1838-1853_X_a_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1838-1853_X_a_uvs.fits wwins /image_prod/ug002_uva//J1838-1853_X_a_map.win ! wwins: Wrote 3 windows to /image_prod/ug002_uva//J1838-1853_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0343196 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000105696 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.923929 0.923929 1.84786 3.69572 7.39143 14.7829 29.5657 59.1315 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.034 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 324.7 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1838-1853_X_a_dfm.log closed on Thu Mar 5 03:52:33 2020