! Started logfile: /image_prod/ug002_uva//J1949-1957_X_dfm.log on Thu Mar 5 04:25:26 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//J1949-1957_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1949-1957_X_uva.fits ! AN table 1: 40 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.985417 visibilities/baseline/integration-bin. ! Found source: J1949-1957 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 17028 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 J1949-1957_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 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.015802Jy sigma=8.031689 ! Fit after self-cal, rms=0.845157Jy sigma=6.662361 ! 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=0.6204 mas, bmaj=1.601 mas, bpa=-1.987 degrees ! Estimated noise=1.29201 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 = 0.108247 Jy ! Component: 100 - total flux cleaned = 0.150572 Jy ! Total flux subtracted in 100 components = 0.150572 Jy ! Clean residual min=-0.015334 max=0.028319 Jy/beam ! Clean residual mean=-0.000003 rms=0.004364 Jy/beam ! Combined flux in latest and established models = 0.150572 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.150572 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=0.117670Jy sigma=0.872487 ! Fit after self-cal, rms=0.117463Jy sigma=0.871285 ! Inverting map ! Added new window around map position (-1.6, -2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0288302 Jy ! Component: 100 - total flux cleaned = 0.0491412 Jy ! Total flux subtracted in 100 components = 0.0491412 Jy ! Clean residual min=-0.011612 max=0.022412 Jy/beam ! Clean residual mean=0.000001 rms=0.003570 Jy/beam ! Combined flux in latest and established models = 0.199714 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 35 components and 0.199714 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=0.103909Jy sigma=0.752380 ! Fit after self-cal, rms=0.103414Jy sigma=0.748166 ! 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=0.7812 mas, bmaj=1.927 mas, bpa=-1.595 degrees ! Estimated noise=0.704186 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 = 0.0308403 Jy ! Component: 100 - total flux cleaned = 0.050215 Jy ! Component: 150 - total flux cleaned = 0.0628593 Jy ! Component: 200 - total flux cleaned = 0.0682276 Jy ! Total flux subtracted in 200 components = 0.0682276 Jy ! Clean residual min=-0.013909 max=0.025754 Jy/beam ! Clean residual mean=0.000015 rms=0.004404 Jy/beam ! Combined flux in latest and established models = 0.267941 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 47 components and 0.267941 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=0.093268Jy sigma=0.656352 ! Fit after self-cal, rms=0.092843Jy sigma=0.652642 ! Inverting map ! Added new window around map position (-11.8, -22). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0260201 Jy ! Component: 100 - total flux cleaned = 0.0405237 Jy ! Component: 150 - total flux cleaned = 0.0510578 Jy ! Component: 200 - total flux cleaned = 0.0591054 Jy ! Total flux subtracted in 200 components = 0.0591054 Jy ! Clean residual min=-0.011469 max=0.016130 Jy/beam ! Clean residual mean=0.000007 rms=0.003075 Jy/beam ! Combined flux in latest and established models = 0.327046 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 75 components and 0.327046 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=0.084403Jy sigma=0.583506 ! Fit after self-cal, rms=0.083572Jy sigma=0.574920 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7812 x 1.927 at -1.595 degrees (North through East) ! Clean map min=-0.010895 max=0.14434 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.84 FD 0.95 HN 1.63 KP 1.02 ! LA 1.04 MK 1.08 NL 1.17 PT 0.84 ! SC 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.93 HN 1.48 KP 1.02 ! LA 1.04 MK 1.05 NL 1.18 PT 0.86 ! SC 1.04 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.94 HN 1.39 KP 1.00 ! LA 1.03 MK 0.96 NL 1.20 PT 0.85 ! SC 1.03 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.84 FD 0.96 HN 1.57 KP 1.01 ! LA 1.07 MK 1.01 NL 1.16 PT 0.85 ! SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 0.97 HN 1.55 KP 1.01 ! LA 1.03 MK 0.93 NL 1.15 PT 0.84 ! SC 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.95 HN 1.43 KP 1.00 ! LA 1.01 MK 0.87 NL 1.18 PT 0.84 ! SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 0.97 HN 1.59 KP 1.01 ! LA 0.99 MK 0.97 NL 1.20 PT 0.84 ! SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 0.93 HN 1.59 KP 1.03 ! LA 1.04 MK 0.83 NL 1.15 PT 0.85 ! SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.97 HN 1.60 KP 0.99 ! LA 1.05 MK 0.92 NL 1.13 PT 0.83 ! SC 1.05 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.99 HN 1.62 KP 1.01 ! LA 1.01 MK 0.94 NL 1.16 PT 0.87 ! SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.97 HN 1.60 KP 1.01 ! LA 1.02 MK 0.89 NL 1.11 PT 0.90 ! SC 1.03 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.84 FD 0.90 HN 1.74 KP 1.01 ! LA 1.02 MK 0.93 NL 1.20 PT 0.87 ! SC 0.98 ! ! ! Fit before self-cal, rms=0.083572Jy sigma=0.574920 ! Fit after self-cal, rms=0.090952Jy sigma=0.508987 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7825 mas, bmaj=1.901 mas, bpa=-1.368 degrees ! Estimated noise=0.712273 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 (-9.8, -20.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00606283 Jy ! Component: 100 - total flux cleaned = 0.00900292 Jy ! Component: 150 - total flux cleaned = 0.0117717 Jy ! Component: 200 - total flux cleaned = 0.0136537 Jy ! Total flux subtracted in 200 components = 0.0136537 Jy ! Clean residual min=-0.005974 max=0.007558 Jy/beam ! Clean residual mean=0.000005 rms=0.001408 Jy/beam ! Combined flux in latest and established models = 0.3407 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 105 components and 0.3407 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=0.089742Jy sigma=0.496588 ! Fit after self-cal, rms=0.089930Jy sigma=0.495186 ! Inverting map ! Added new window around map position (-13.6, -22.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00610891 Jy ! Component: 100 - total flux cleaned = 0.00760868 Jy ! Component: 150 - total flux cleaned = 0.00935984 Jy ! Component: 200 - total flux cleaned = 0.0108629 Jy ! Total flux subtracted in 200 components = 0.0108629 Jy ! Clean residual min=-0.005075 max=0.005460 Jy/beam ! Clean residual mean=0.000003 rms=0.001148 Jy/beam ! Combined flux in latest and established models = 0.351563 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 129 components and 0.351563 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=0.089115Jy sigma=0.488307 ! Fit after self-cal, rms=0.089070Jy sigma=0.487546 ! 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=0.089070Jy sigma=0.487546 ! Fit after self-cal, rms=0.093814Jy sigma=0.482791 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7807 mas, bmaj=1.905 mas, bpa=-1.685 degrees ! Estimated noise=0.707188 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171097 Jy ! Component: 100 - total flux cleaned = 0.00268799 Jy ! Component: 150 - total flux cleaned = 0.00342069 Jy ! Component: 200 - total flux cleaned = 0.00383246 Jy ! Total flux subtracted in 200 components = 0.00383246 Jy ! Clean residual min=-0.004314 max=0.004548 Jy/beam ! Clean residual mean=0.000002 rms=0.000937 Jy/beam ! Combined flux in latest and established models = 0.355395 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 155 components and 0.355395 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=0.093577Jy sigma=0.480465 ! Fit after self-cal, rms=0.093628Jy sigma=0.480261 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 (0.6, 5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00235111 Jy ! Component: 100 - total flux cleaned = 0.00299989 Jy ! Component: 150 - total flux cleaned = 0.00328512 Jy ! Component: 200 - total flux cleaned = 0.00362846 Jy ! Total flux subtracted in 200 components = 0.00362846 Jy ! Clean residual min=-0.004066 max=0.004174 Jy/beam ! Clean residual mean=0.000001 rms=0.000877 Jy/beam ! Combined flux in latest and established models = 0.359024 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 169 components and 0.359024 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=0.093309Jy sigma=0.477761 ! Fit after self-cal, rms=0.093308Jy sigma=0.477623 ! 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=0.093308Jy sigma=0.477623 ! Fit after self-cal, rms=0.093965Jy sigma=0.477281 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7819 mas, bmaj=1.902 mas, bpa=-1.842 degrees ! Estimated noise=0.704905 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105058 Jy ! Component: 100 - total flux cleaned = 0.00155926 Jy ! Component: 150 - total flux cleaned = 0.00179332 Jy ! Component: 200 - total flux cleaned = 0.00223131 Jy ! Total flux subtracted in 200 components = 0.00223131 Jy ! Clean residual min=-0.003820 max=0.003808 Jy/beam ! Clean residual mean=0.000002 rms=0.000822 Jy/beam ! Combined flux in latest and established models = 0.361255 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 185 components and 0.361255 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=0.093804Jy sigma=0.476031 ! Fit after self-cal, rms=0.093807Jy sigma=0.475960 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 = 0.000381945 Jy ! Component: 100 - total flux cleaned = 0.000658997 Jy ! Component: 150 - total flux cleaned = 0.000857339 Jy ! Component: 200 - total flux cleaned = 0.00110684 Jy ! Total flux subtracted in 200 components = 0.00110684 Jy ! Clean residual min=-0.003527 max=0.003605 Jy/beam ! Clean residual mean=0.000001 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 0.362362 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 192 components and 0.362362 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=0.093704Jy sigma=0.475119 ! Fit after self-cal, rms=0.093703Jy sigma=0.475082 ! 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=0.093703Jy sigma=0.475082 ! Fit after self-cal, rms=0.093969Jy sigma=0.474967 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.244 mas, bmaj=4.415 mas, bpa=9.132 degrees ! Estimated noise=0.926602 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00259036 Jy ! Component: 100 - total flux cleaned = 0.00332836 Jy ! Component: 150 - total flux cleaned = 0.003628 Jy ! Component: 200 - total flux cleaned = 0.00383807 Jy ! Total flux subtracted in 200 components = 0.00383807 Jy ! Clean residual min=-0.003099 max=0.004654 Jy/beam ! Clean residual mean=0.000001 rms=0.001019 Jy/beam ! Combined flux in latest and established models = 0.3662 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 199 components and 0.3662 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=0.093922Jy sigma=0.474795 ! Fit after self-cal, rms=0.093898Jy sigma=0.474687 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 (15.2, 19.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00205313 Jy ! Component: 100 - total flux cleaned = 0.00150724 Jy ! Component: 150 - total flux cleaned = 0.00108387 Jy ! Component: 200 - total flux cleaned = 0.000931833 Jy ! Total flux subtracted in 200 components = 0.000931833 Jy ! Clean residual min=-0.002499 max=0.002897 Jy/beam ! Clean residual mean=0.000000 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 0.367132 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 225 components and 0.367132 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=0.093667Jy sigma=0.473373 ! Fit after self-cal, rms=0.093656Jy sigma=0.473265 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.7835 mas, bmaj=1.901 mas, bpa=-1.894 degrees ! Estimated noise=0.70471 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7835 x 1.901 at -1.894 degrees (North through East) ! Clean map min=-0.0034812 max=0.14355 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=0.6221 mas, bmaj=1.572 mas, bpa=-2.206 degrees ! Estimated noise=1.29765 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.108764 Jy ! Component: 100 - total flux cleaned = 0.152857 Jy ! Component: 150 - total flux cleaned = 0.179297 Jy ! Component: 200 - total flux cleaned = 0.19932 Jy ! Total flux subtracted in 200 components = 0.19932 Jy ! Clean residual min=-0.008781 max=0.014719 Jy/beam ! Clean residual mean=0.000002 rms=0.002784 Jy/beam ! Combined flux in latest and established models = 0.19932 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 33 model components to the UV plane model. ! The established model now contains 33 components and 0.19932 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7835 mas, bmaj=1.901 mas, bpa=-1.894 degrees ! Estimated noise=0.70471 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) ! Added new window around map position (-0.8, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0315518 Jy ! Component: 100 - total flux cleaned = 0.0548671 Jy ! Component: 150 - total flux cleaned = 0.0732486 Jy ! Component: 200 - total flux cleaned = 0.0879811 Jy ! Total flux subtracted in 200 components = 0.0879811 Jy ! Clean residual min=-0.006357 max=0.011007 Jy/beam ! Clean residual mean=0.000008 rms=0.002402 Jy/beam ! Combined flux in latest and established models = 0.287301 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 94 components and 0.287301 Jy ! Inverting map ! Added new window around map position (0.8, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0125198 Jy ! Component: 100 - total flux cleaned = 0.0224593 Jy ! Component: 150 - total flux cleaned = 0.0306119 Jy ! Component: 200 - total flux cleaned = 0.0374128 Jy ! Total flux subtracted in 200 components = 0.0374128 Jy ! Clean residual min=-0.004814 max=0.006252 Jy/beam ! Clean residual mean=0.000005 rms=0.001383 Jy/beam ! Combined flux in latest and established models = 0.324714 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 144 components and 0.324714 Jy ! Inverting map ! Added new window around map position (-2.4, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00647426 Jy ! Component: 100 - total flux cleaned = 0.0116647 Jy ! Component: 150 - total flux cleaned = 0.0161654 Jy ! Component: 200 - total flux cleaned = 0.0191961 Jy ! Total flux subtracted in 200 components = 0.0191961 Jy ! Clean residual min=-0.003717 max=0.003697 Jy/beam ! Clean residual mean=0.000003 rms=0.000957 Jy/beam ! Combined flux in latest and established models = 0.34391 Jy ! Adding 70 model components to the UV plane model. ! The established model now contains 197 components and 0.34391 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=2.244 mas, bmaj=4.415 mas, bpa=9.132 degrees ! Estimated noise=0.926602 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00639414 Jy ! Component: 100 - total flux cleaned = 0.00965296 Jy ! Component: 150 - total flux cleaned = 0.0120434 Jy ! Component: 200 - total flux cleaned = 0.0132847 Jy ! Total flux subtracted in 200 components = 0.0132847 Jy ! Clean residual min=-0.004196 max=0.003400 Jy/beam ! Clean residual mean=0.000003 rms=0.001102 Jy/beam ! Combined flux in latest and established models = 0.357195 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 = 0.00109319 Jy ! Component: 100 - total flux cleaned = 0.00205111 Jy ! Component: 150 - total flux cleaned = 0.00280298 Jy ! Component: 200 - total flux cleaned = 0.00347463 Jy ! Total flux subtracted in 200 components = 0.00347463 Jy ! Clean residual min=-0.003298 max=0.002760 Jy/beam ! Clean residual mean=0.000001 rms=0.000851 Jy/beam ! Combined flux in latest and established models = 0.360669 Jy ! Adding 81 model components to the UV plane model. ! The established model now contains 253 components and 0.360669 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7835 mas, bmaj=1.901 mas, bpa=-1.894 degrees ! Estimated noise=0.70471 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000895742 Jy ! Component: 100 - total flux cleaned = 0.00146617 Jy ! Component: 150 - total flux cleaned = 0.00212929 Jy ! Component: 200 - total flux cleaned = 0.00267558 Jy ! Total flux subtracted in 200 components = 0.00267558 Jy ! Clean residual min=-0.002648 max=0.002386 Jy/beam ! Clean residual mean=0.000000 rms=0.000554 Jy/beam ! Combined flux in latest and established models = 0.363345 Jy selfcal ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 294 components and 0.363345 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=0.093024Jy sigma=0.468872 ! Fit after self-cal, rms=0.092909Jy sigma=0.468152 wmodel J1949-1957_X_map.mod ! Writing 294 model components to file: J1949-1957_X_map.mod wobs J1949-1957_X_uvs.fits ! Writing UV FITS file: J1949-1957_X_uvs.fits wwins J1949-1957_X_map.win ! wwins: Wrote 10 windows to J1949-1957_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 = -0.000632213 Jy ! Component: 100 - total flux cleaned = -0.00104092 Jy ! Component: 150 - total flux cleaned = -0.00126438 Jy ! Component: 200 - total flux cleaned = -0.0013352 Jy ! Component: 250 - total flux cleaned = -0.00143736 Jy ! Component: 300 - total flux cleaned = -0.00159897 Jy ! Component: 350 - total flux cleaned = -0.00172371 Jy ! Component: 400 - total flux cleaned = -0.00196621 Jy ! Component: 450 - total flux cleaned = -0.002143 Jy ! Component: 500 - total flux cleaned = -0.00234483 Jy ! Component: 550 - total flux cleaned = -0.00259842 Jy ! Component: 600 - total flux cleaned = -0.00273612 Jy ! Component: 650 - total flux cleaned = -0.00273727 Jy ! Component: 700 - total flux cleaned = -0.00286979 Jy ! Component: 750 - total flux cleaned = -0.00294774 Jy ! Component: 800 - total flux cleaned = -0.00302347 Jy ! Component: 850 - total flux cleaned = -0.0030481 Jy ! Component: 900 - total flux cleaned = -0.00307312 Jy ! Component: 950 - total flux cleaned = -0.00312127 Jy ! Component: 1000 - total flux cleaned = -0.00307329 Jy ! Component: 1050 - total flux cleaned = -0.00307325 Jy ! Component: 1100 - total flux cleaned = -0.00304996 Jy ! Component: 1150 - total flux cleaned = -0.0030276 Jy ! Component: 1200 - total flux cleaned = -0.00304985 Jy ! Component: 1250 - total flux cleaned = -0.0030054 Jy ! Component: 1300 - total flux cleaned = -0.00291845 Jy ! Component: 1350 - total flux cleaned = -0.00289677 Jy ! Component: 1400 - total flux cleaned = -0.00283349 Jy ! Component: 1450 - total flux cleaned = -0.00272883 Jy ! Component: 1500 - total flux cleaned = -0.00264656 Jy ! Component: 1550 - total flux cleaned = -0.00256546 Jy ! Component: 1600 - total flux cleaned = -0.0024649 Jy ! Component: 1650 - total flux cleaned = -0.00242533 Jy ! Component: 1700 - total flux cleaned = -0.00238591 Jy ! Component: 1750 - total flux cleaned = -0.00230813 Jy ! Component: 1800 - total flux cleaned = -0.00221224 Jy ! Component: 1850 - total flux cleaned = -0.00219348 Jy ! Component: 1900 - total flux cleaned = -0.00215595 Jy ! Component: 1950 - total flux cleaned = -0.00210001 Jy ! Component: 2000 - total flux cleaned = -0.0020451 Jy ! Component: 2050 - total flux cleaned = -0.00206345 Jy ! Component: 2100 - total flux cleaned = -0.00200949 Jy ! Component: 2150 - total flux cleaned = -0.0019918 Jy ! Component: 2200 - total flux cleaned = -0.00193878 Jy ! Component: 2250 - total flux cleaned = -0.00190408 Jy ! Component: 2300 - total flux cleaned = -0.00186969 Jy ! Component: 2350 - total flux cleaned = -0.00180119 Jy ! Component: 2400 - total flux cleaned = -0.00181839 Jy ! Component: 2450 - total flux cleaned = -0.00181849 Jy ! Component: 2500 - total flux cleaned = -0.00176873 Jy ! Component: 2550 - total flux cleaned = -0.00180149 Jy ! Component: 2600 - total flux cleaned = -0.00171965 Jy ! Component: 2650 - total flux cleaned = -0.00170349 Jy ! Component: 2700 - total flux cleaned = -0.00165536 Jy ! Component: 2750 - total flux cleaned = -0.00168738 Jy ! Component: 2800 - total flux cleaned = -0.00167139 Jy ! Component: 2850 - total flux cleaned = -0.00165565 Jy ! Component: 2900 - total flux cleaned = -0.00162454 Jy ! Component: 2950 - total flux cleaned = -0.00162468 Jy ! Component: 3000 - total flux cleaned = -0.00167081 Jy ! Component: 3050 - total flux cleaned = -0.00162525 Jy ! Component: 3100 - total flux cleaned = -0.00168569 Jy ! Component: 3150 - total flux cleaned = -0.00168553 Jy ! Component: 3200 - total flux cleaned = -0.00167057 Jy ! Component: 3250 - total flux cleaned = -0.00169994 Jy ! Component: 3300 - total flux cleaned = -0.00174402 Jy ! Component: 3350 - total flux cleaned = -0.00167121 Jy ! Component: 3400 - total flux cleaned = -0.00170025 Jy ! Component: 3450 - total flux cleaned = -0.00175762 Jy ! Component: 3500 - total flux cleaned = -0.00175755 Jy ! Component: 3550 - total flux cleaned = -0.00175734 Jy ! Component: 3600 - total flux cleaned = -0.00172915 Jy ! Component: 3650 - total flux cleaned = -0.00175702 Jy ! Component: 3700 - total flux cleaned = -0.0017708 Jy ! Component: 3750 - total flux cleaned = -0.00175697 Jy ! Component: 3800 - total flux cleaned = -0.00178439 Jy ! Component: 3850 - total flux cleaned = -0.00177087 Jy ! Component: 3900 - total flux cleaned = -0.00177088 Jy ! Component: 3950 - total flux cleaned = -0.0017307 Jy ! Component: 4000 - total flux cleaned = -0.00181071 Jy ! Component: 4050 - total flux cleaned = -0.00178415 Jy ! Total flux subtracted in 4096 components = -0.00179732 Jy ! Clean residual min=-0.000665 max=0.000716 Jy/beam ! Clean residual mean=0.000000 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.361548 Jy keep ! Adding 299 model components to the UV plane model. ! The established model now contains 593 components and 0.361547 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1949-1957_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7835 x 1.901 at -1.894 degrees (North through East) ! Clean map min=-0.0020915 max=0.14092 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1949-1957_X_map.fits wmodel /image_prod/ug002_uva//J1949-1957_X_map.mod ! Writing 593 model components to file: /image_prod/ug002_uva//J1949-1957_X_map.mod wobs /image_prod/ug002_uva//J1949-1957_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1949-1957_X_uvs.fits wwins /image_prod/ug002_uva//J1949-1957_X_map.win ! wwins: Wrote 11 windows to /image_prod/ug002_uva//J1949-1957_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.140921 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000231134 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.49205 0.49205 0.9841 1.9682 3.9364 7.8728 15.7456 31.4912 62.9824 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.14 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 609.694 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1949-1957_X_dfm.log closed on Thu Mar 5 04:25:30 2020