! Started logfile: /tmp/maps//J1248-0831_C_20180615_dfm.log on Wed Jul 4 23:21:45 2018 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /tmp/maps//J1248-0831_C_20180615_uva.fits ! Reading UV FITS file: /tmp/maps//J1248-0831_C_20180615_uva.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.955556 visibilities/baseline/integration-bin. ! Found source: J1248-0831 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 5848 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1248-0831_C] 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 0.300x0.300 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 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.007178Jy sigma=23.485281 ! Fit after self-cal, rms=0.927489Jy sigma=21.583342 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.36 mas, bmaj=3.456 mas, bpa=-4.437 degrees ! Estimated noise=0.57283 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 = 0.0475625 Jy ! Component: 100 - total flux cleaned = 0.0638791 Jy ! Total flux subtracted in 100 components = 0.0638791 Jy ! Clean residual min=-0.004405 max=0.008420 Jy/beam ! Clean residual mean=-0.000004 rms=0.001364 Jy/beam ! Combined flux in latest and established models = 0.0638791 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0638791 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. ! ! Fit before self-cal, rms=0.049171Jy sigma=0.995111 ! Fit after self-cal, rms=0.049074Jy sigma=0.993034 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0105603 Jy ! Component: 100 - total flux cleaned = 0.0177543 Jy ! Total flux subtracted in 100 components = 0.0177543 Jy ! Clean residual min=-0.003533 max=0.006252 Jy/beam ! Clean residual mean=-0.000003 rms=0.000990 Jy/beam ! Combined flux in latest and established models = 0.0816334 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 22 components and 0.0816334 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. ! ! Fit before self-cal, rms=0.043923Jy sigma=0.842611 ! Fit after self-cal, rms=0.043938Jy sigma=0.842067 ! Inverting map ! Added new window around map position (-15.9, 11.7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00619426 Jy ! Component: 100 - total flux cleaned = 0.0105185 Jy ! Total flux subtracted in 100 components = 0.0105185 Jy ! Clean residual min=-0.002943 max=0.004366 Jy/beam ! Clean residual mean=-0.000002 rms=0.000829 Jy/beam ! Combined flux in latest and established models = 0.0921519 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 35 components and 0.0921519 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. ! ! Fit before self-cal, rms=0.042253Jy sigma=0.790734 ! Fit after self-cal, rms=0.042228Jy sigma=0.789693 ! 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=1.698 mas, bmaj=4.054 mas, bpa=-4.195 degrees ! Estimated noise=0.4156 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 = 0.00851194 Jy ! Component: 100 - total flux cleaned = 0.0137314 Jy ! Component: 150 - total flux cleaned = 0.0174027 Jy ! Component: 200 - total flux cleaned = 0.0200163 Jy ! Total flux subtracted in 200 components = 0.0200163 Jy ! Clean residual min=-0.003170 max=0.004518 Jy/beam ! Clean residual mean=-0.000004 rms=0.001054 Jy/beam ! Combined flux in latest and established models = 0.112168 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 56 components and 0.112168 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. ! ! Fit before self-cal, rms=0.040444Jy sigma=0.729866 ! Fit after self-cal, rms=0.040447Jy sigma=0.729320 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.698 x 4.054 at -4.195 degrees (North through East) ! Clean map min=-0.0031053 max=0.069433 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.97 HN 0.91 KP 0.97 ! LA 0.89 MK 0.92 NL 1.11 OV 1.04 ! PT 0.93 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.90 HN 0.97 KP 0.93 ! LA 0.93 MK 0.99 NL 1.21 OV 1.07 ! PT 0.87 SC 1.12 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.99 KP 0.99 ! LA 0.99 MK 0.90 NL 1.11 OV 1.06 ! PT 0.89 SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.94 HN 1.11 KP 0.95 ! LA 0.96 MK 0.94 NL 1.00 OV 1.02 ! PT 0.74 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 1.00 KP 0.99 ! LA 0.99 MK 0.95 NL 1.23 OV 0.99 ! PT 0.87 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.96 KP 0.98 ! LA 1.04 MK 0.90 NL 1.14 OV 1.00 ! PT 0.90 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 1.10 KP 0.95 ! LA 0.95 MK 1.08 NL 1.19 OV 1.04 ! PT 0.92 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 0.99 KP 0.95 ! LA 0.99 MK 1.08 NL 1.19 OV 1.02 ! PT 0.86 SC 0.93 ! ! ! Fit before self-cal, rms=0.040447Jy sigma=0.729320 ! Fit after self-cal, rms=0.040068Jy sigma=0.684964 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.699 mas, bmaj=4.089 mas, bpa=-4.316 degrees ! Estimated noise=0.409931 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 (6.6, -19.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00319564 Jy ! Component: 100 - total flux cleaned = 0.00467092 Jy ! Component: 150 - total flux cleaned = 0.00512367 Jy ! Component: 200 - total flux cleaned = 0.00530934 Jy ! Total flux subtracted in 200 components = 0.00530934 Jy ! Clean residual min=-0.001718 max=0.001829 Jy/beam ! Clean residual mean=0.000002 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.117478 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 77 components and 0.117478 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. ! ! Fit before self-cal, rms=0.039784Jy sigma=0.677079 ! Fit after self-cal, rms=0.039848Jy sigma=0.676509 ! 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. ! ! Fit before self-cal, rms=0.039848Jy sigma=0.676509 ! Fit after self-cal, rms=0.039643Jy sigma=0.676136 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.699 mas, bmaj=4.093 mas, bpa=-4.418 degrees ! Estimated noise=0.407923 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000565764 Jy ! Component: 100 - total flux cleaned = 0.000753702 Jy ! Component: 150 - total flux cleaned = 0.000835221 Jy ! Component: 200 - total flux cleaned = 0.000906498 Jy ! Total flux subtracted in 200 components = 0.000906498 Jy ! Clean residual min=-0.001549 max=0.001788 Jy/beam ! Clean residual mean=0.000002 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.118384 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 91 components and 0.118384 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. ! ! Fit before self-cal, rms=0.039587Jy sigma=0.675060 ! Fit after self-cal, rms=0.039588Jy sigma=0.675005 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 = -5.42109e-05 Jy ! Component: 100 - total flux cleaned = 1.05253e-05 Jy ! Component: 150 - total flux cleaned = 8.87658e-05 Jy ! Component: 200 - total flux cleaned = 0.000160909 Jy ! Total flux subtracted in 200 components = 0.000160909 Jy ! Clean residual min=-0.001511 max=0.001772 Jy/beam ! Clean residual mean=0.000002 rms=0.000422 Jy/beam ! Combined flux in latest and established models = 0.118545 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 99 components and 0.118545 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. ! ! Fit before self-cal, rms=0.039560Jy sigma=0.674565 ! Fit after self-cal, rms=0.039561Jy sigma=0.674527 ! 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. ! ! Fit before self-cal, rms=0.039561Jy sigma=0.674527 ! Fit after self-cal, rms=0.039476Jy sigma=0.674436 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.697 mas, bmaj=4.093 mas, bpa=-4.523 degrees ! Estimated noise=0.407041 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000106967 Jy ! Component: 100 - total flux cleaned = 0.000163396 Jy ! Component: 150 - total flux cleaned = 0.00016313 Jy ! Component: 200 - total flux cleaned = 0.000179462 Jy ! Total flux subtracted in 200 components = 0.000179462 Jy ! Clean residual min=-0.001432 max=0.001747 Jy/beam ! Clean residual mean=0.000002 rms=0.000412 Jy/beam ! Combined flux in latest and established models = 0.118724 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 105 components and 0.118724 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. ! ! Fit before self-cal, rms=0.039453Jy sigma=0.674097 ! Fit after self-cal, rms=0.039454Jy sigma=0.674066 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 = -3.72447e-05 Jy ! Component: 100 - total flux cleaned = -3.72032e-05 Jy ! Component: 150 - total flux cleaned = -8.1159e-06 Jy ! Component: 200 - total flux cleaned = 1.91172e-05 Jy ! Total flux subtracted in 200 components = 1.91172e-05 Jy ! Clean residual min=-0.001430 max=0.001726 Jy/beam ! Clean residual mean=0.000002 rms=0.000407 Jy/beam ! Combined flux in latest and established models = 0.118744 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 115 components and 0.118744 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. ! ! Fit before self-cal, rms=0.039437Jy sigma=0.673837 ! Fit after self-cal, rms=0.039438Jy sigma=0.673810 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Fit before self-cal, rms=0.039438Jy sigma=0.673810 ! Fit after self-cal, rms=0.039407Jy sigma=0.673787 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.816 mas, bmaj=6.958 mas, bpa=-7.03 degrees ! Estimated noise=0.508339 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000366856 Jy ! Component: 100 - total flux cleaned = 0.00047125 Jy ! Component: 150 - total flux cleaned = 0.000583352 Jy ! Component: 200 - total flux cleaned = 0.000662387 Jy ! Total flux subtracted in 200 components = 0.000662387 Jy ! Clean residual min=-0.001746 max=0.001922 Jy/beam ! Clean residual mean=0.000004 rms=0.000527 Jy/beam ! Combined flux in latest and established models = 0.119406 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 120 components and 0.119406 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. ! ! Fit before self-cal, rms=0.039395Jy sigma=0.673625 ! Fit after self-cal, rms=0.039394Jy sigma=0.673568 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.40743e-07 Jy ! Component: 100 - total flux cleaned = 7.00641e-05 Jy ! Component: 150 - total flux cleaned = 0.000116699 Jy ! Component: 200 - total flux cleaned = 0.000159275 Jy ! Total flux subtracted in 200 components = 0.000159275 Jy ! Clean residual min=-0.001726 max=0.001866 Jy/beam ! Clean residual mean=0.000004 rms=0.000511 Jy/beam ! Combined flux in latest and established models = 0.119565 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 126 components and 0.119565 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. ! ! Fit before self-cal, rms=0.039387Jy sigma=0.673652 ! Fit after self-cal, rms=0.039387Jy sigma=0.673597 ! 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=1.695 mas, bmaj=4.093 mas, bpa=-4.616 degrees ! Estimated noise=0.406729 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.695 x 4.093 at -4.616 degrees (North through East) ! Clean map min=-0.0013885 max=0.068228 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=1.347 mas, bmaj=3.468 mas, bpa=-4.669 degrees ! Estimated noise=0.564328 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0469139 Jy ! Component: 100 - total flux cleaned = 0.0636956 Jy ! Component: 150 - total flux cleaned = 0.0747926 Jy ! Component: 200 - total flux cleaned = 0.0829127 Jy ! Total flux subtracted in 200 components = 0.0829127 Jy ! Clean residual min=-0.003147 max=0.005406 Jy/beam ! Clean residual mean=-0.000002 rms=0.000905 Jy/beam ! Combined flux in latest and established models = 0.0829127 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 28 model components to the UV plane model. ! The established model now contains 28 components and 0.0829127 Jy ! Inverting map and beam ! Estimated beam: bmin=1.695 mas, bmaj=4.093 mas, bpa=-4.616 degrees ! Estimated noise=0.406729 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 = 0.0106652 Jy ! Component: 100 - total flux cleaned = 0.0167607 Jy ! Component: 150 - total flux cleaned = 0.0211138 Jy ! Component: 200 - total flux cleaned = 0.0244064 Jy ! Total flux subtracted in 200 components = 0.0244064 Jy ! Clean residual min=-0.002269 max=0.003010 Jy/beam ! Clean residual mean=-0.000001 rms=0.000651 Jy/beam ! Combined flux in latest and established models = 0.107319 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 51 components and 0.107319 Jy ! Inverting map ! Added new window around map position (-22.8, 30.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00292157 Jy ! Component: 100 - total flux cleaned = 0.00501916 Jy ! Component: 150 - total flux cleaned = 0.00672519 Jy ! Component: 200 - total flux cleaned = 0.00785813 Jy ! Total flux subtracted in 200 components = 0.00785813 Jy ! Clean residual min=-0.001739 max=0.001891 Jy/beam ! Clean residual mean=0.000001 rms=0.000457 Jy/beam ! Combined flux in latest and established models = 0.115177 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 75 components and 0.115177 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.816 mas, bmaj=6.958 mas, bpa=-7.03 degrees ! Estimated noise=0.508339 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00208854 Jy ! Component: 100 - total flux cleaned = 0.00342873 Jy ! Component: 150 - total flux cleaned = 0.00403997 Jy ! Component: 200 - total flux cleaned = 0.00455194 Jy ! Total flux subtracted in 200 components = 0.00455194 Jy ! Clean residual min=-0.001737 max=0.001798 Jy/beam ! Clean residual mean=0.000004 rms=0.000518 Jy/beam ! Combined flux in latest and established models = 0.119729 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 = 0.000158949 Jy ! Component: 100 - total flux cleaned = 0.000273627 Jy ! Component: 150 - total flux cleaned = 0.000352367 Jy ! Component: 200 - total flux cleaned = 0.000425804 Jy ! Total flux subtracted in 200 components = 0.000425804 Jy ! Clean residual min=-0.001663 max=0.001630 Jy/beam ! Clean residual mean=0.000004 rms=0.000477 Jy/beam ! Combined flux in latest and established models = 0.120155 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 123 components and 0.120155 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.695 mas, bmaj=4.093 mas, bpa=-4.616 degrees ! Estimated noise=0.406729 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0006486 Jy ! Component: 100 - total flux cleaned = -0.000731806 Jy ! Component: 150 - total flux cleaned = -0.000730774 Jy ! Component: 200 - total flux cleaned = -0.000707875 Jy ! Total flux subtracted in 200 components = -0.000707875 Jy ! Clean residual min=-0.001509 max=0.001471 Jy/beam ! Clean residual mean=0.000002 rms=0.000370 Jy/beam ! Combined flux in latest and established models = 0.119447 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 147 components and 0.119447 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. ! ! Fit before self-cal, rms=0.039312Jy sigma=0.672847 ! Fit after self-cal, rms=0.039306Jy sigma=0.672417 wmodel J1248-0831_C_map.mod ! Writing 147 model components to file: J1248-0831_C_map.mod wobs J1248-0831_C_uvs.fits ! Writing UV FITS file: J1248-0831_C_uvs.fits wwins J1248-0831_C_map.win ! wwins: Wrote 4 windows to J1248-0831_C_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 = -6.69285e-05 Jy ! Component: 100 - total flux cleaned = -4.2614e-05 Jy ! Component: 150 - total flux cleaned = 3.33117e-06 Jy ! Component: 200 - total flux cleaned = 3.5074e-06 Jy ! Component: 250 - total flux cleaned = 4.69395e-05 Jy ! Component: 300 - total flux cleaned = 6.79708e-05 Jy ! Component: 350 - total flux cleaned = 0.000108691 Jy ! Component: 400 - total flux cleaned = 0.000148198 Jy ! Component: 450 - total flux cleaned = 0.000224986 Jy ! Component: 500 - total flux cleaned = 0.000243814 Jy ! Component: 550 - total flux cleaned = 0.000298594 Jy ! Component: 600 - total flux cleaned = 0.000351623 Jy ! Component: 650 - total flux cleaned = 0.000368812 Jy ! Component: 700 - total flux cleaned = 0.000436809 Jy ! Component: 750 - total flux cleaned = 0.000486292 Jy ! Component: 800 - total flux cleaned = 0.000486099 Jy ! Component: 850 - total flux cleaned = 0.000486302 Jy ! Component: 900 - total flux cleaned = 0.000564479 Jy ! Component: 950 - total flux cleaned = 0.000625077 Jy ! Component: 1000 - total flux cleaned = 0.000565071 Jy ! Component: 1050 - total flux cleaned = 0.000609433 Jy ! Component: 1100 - total flux cleaned = 0.000653049 Jy ! Component: 1150 - total flux cleaned = 0.000681265 Jy ! Component: 1200 - total flux cleaned = 0.000667026 Jy ! Component: 1250 - total flux cleaned = 0.000653414 Jy ! Component: 1300 - total flux cleaned = 0.000680606 Jy ! Component: 1350 - total flux cleaned = 0.000680704 Jy ! Component: 1400 - total flux cleaned = 0.000706873 Jy ! Component: 1450 - total flux cleaned = 0.000693778 Jy ! Component: 1500 - total flux cleaned = 0.000693845 Jy ! Component: 1550 - total flux cleaned = 0.000681175 Jy ! Component: 1600 - total flux cleaned = 0.000643759 Jy ! Component: 1650 - total flux cleaned = 0.000643821 Jy ! Component: 1700 - total flux cleaned = 0.000619533 Jy ! Component: 1750 - total flux cleaned = 0.000583648 Jy ! Component: 1800 - total flux cleaned = 0.000571846 Jy ! Component: 1850 - total flux cleaned = 0.000548486 Jy ! Component: 1900 - total flux cleaned = 0.000513745 Jy ! Component: 1950 - total flux cleaned = 0.000445161 Jy ! Component: 2000 - total flux cleaned = 0.000445339 Jy ! Component: 2050 - total flux cleaned = 0.000423045 Jy ! Component: 2100 - total flux cleaned = 0.000412074 Jy ! Component: 2150 - total flux cleaned = 0.000357455 Jy ! Component: 2200 - total flux cleaned = 0.000346578 Jy ! Component: 2250 - total flux cleaned = 0.000293281 Jy ! Component: 2300 - total flux cleaned = 0.000240634 Jy ! Component: 2350 - total flux cleaned = 0.000230473 Jy ! Component: 2400 - total flux cleaned = 0.000240628 Jy ! Component: 2450 - total flux cleaned = 0.000168945 Jy ! Component: 2500 - total flux cleaned = 0.000148892 Jy ! Component: 2550 - total flux cleaned = 0.000148835 Jy ! Component: 2600 - total flux cleaned = 0.000118996 Jy ! Component: 2650 - total flux cleaned = 0.000128688 Jy ! Component: 2700 - total flux cleaned = 9.9514e-05 Jy ! Component: 2750 - total flux cleaned = 7.06274e-05 Jy ! Component: 2800 - total flux cleaned = 5.15681e-05 Jy ! Component: 2850 - total flux cleaned = 1.37767e-05 Jy ! Component: 2900 - total flux cleaned = 1.38037e-05 Jy ! Component: 2950 - total flux cleaned = 4.42746e-06 Jy ! Component: 3000 - total flux cleaned = -1.39788e-05 Jy ! Component: 3050 - total flux cleaned = -4.14442e-05 Jy ! Component: 3100 - total flux cleaned = -0.000104537 Jy ! Component: 3150 - total flux cleaned = -9.55353e-05 Jy ! Component: 3200 - total flux cleaned = -0.000139979 Jy ! Component: 3250 - total flux cleaned = -0.000166358 Jy ! Component: 3300 - total flux cleaned = -0.00020128 Jy ! Component: 3350 - total flux cleaned = -0.000227197 Jy ! Component: 3400 - total flux cleaned = -0.000261588 Jy ! Component: 3450 - total flux cleaned = -0.000304345 Jy ! Component: 3500 - total flux cleaned = -0.00033821 Jy ! Component: 3550 - total flux cleaned = -0.00038031 Jy ! Component: 3600 - total flux cleaned = -0.000422132 Jy ! Component: 3650 - total flux cleaned = -0.000455324 Jy ! Component: 3700 - total flux cleaned = -0.000480098 Jy ! Component: 3750 - total flux cleaned = -0.000488206 Jy ! Component: 3800 - total flux cleaned = -0.000545039 Jy ! Component: 3850 - total flux cleaned = -0.00057736 Jy ! Component: 3900 - total flux cleaned = -0.000617355 Jy ! Component: 3950 - total flux cleaned = -0.000664885 Jy ! Component: 4000 - total flux cleaned = -0.000712048 Jy ! Component: 4050 - total flux cleaned = -0.000712079 Jy ! Total flux subtracted in 4096 components = -0.000758616 Jy ! Clean residual min=-0.000464 max=0.000475 Jy/beam ! Clean residual mean=0.000001 rms=0.000138 Jy/beam ! Combined flux in latest and established models = 0.118688 Jy keep ! Adding 272 model components to the UV plane model. ! The established model now contains 419 components and 0.118688 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /tmp/maps//J1248-0831_C_20180615_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.695 x 4.093 at -4.616 degrees (North through East) ! Clean map min=-0.00098589 max=0.06854 Jy/beam ! Writing clean map to FITS file: /tmp/maps//J1248-0831_C_20180615_map.fits wmodel /tmp/maps//J1248-0831_C_20180615_map.mod ! Writing 419 model components to file: /tmp/maps//J1248-0831_C_20180615_map.mod wobs /tmp/maps//J1248-0831_C_20180615_uvs.fits ! Writing UV FITS file: /tmp/maps//J1248-0831_C_20180615_uvs.fits wwins /tmp/maps//J1248-0831_C_20180615_map.win ! wwins: Wrote 5 windows to /tmp/maps//J1248-0831_C_20180615_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.06854 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00013582 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.594485 0.594485 1.18897 2.37794 4.75588 9.51176 19.0235 38.047 76.0941 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.068 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 504.638 quit ! Quitting program ! Log file /tmp/maps//J1248-0831_C_20180615_dfm.log closed on Wed Jul 4 23:21:49 2018