! Started logfile: .//J0831+1746_X_dfm.log on Mon Jan 20 17:45:39 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs .//J0831+1746_X_uva.fits ! Reading UV FITS file: .//J0831+1746_X_uva.fits ! AN table 1: 47 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.978723 visibilities/baseline/integration-bin. ! Found source: J0831+1746 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 13248 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J0831+1746_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 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000588Jy sigma=21.756795 ! Fit after self-cal, rms=0.987503Jy sigma=21.472905 ! 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=0.6762 mas, bmaj=2.084 mas, bpa=-8.368 degrees ! Estimated noise=0.504749 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 = 0.00974831 Jy ! Component: 100 - total flux cleaned = 0.011935 Jy ! Total flux subtracted in 100 components = 0.011935 Jy ! Clean residual min=-0.001516 max=0.001522 Jy/beam ! Clean residual mean=-0.000001 rms=0.000377 Jy/beam ! Combined flux in latest and established models = 0.011935 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.011935 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=0.031656Jy sigma=0.671540 ! Fit after self-cal, rms=0.030098Jy sigma=0.637312 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00380369 Jy ! Component: 100 - total flux cleaned = 0.00505291 Jy ! Total flux subtracted in 100 components = 0.00505291 Jy ! Clean residual min=-0.001322 max=0.001379 Jy/beam ! Clean residual mean=0.000000 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.016988 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 12 components and 0.016988 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=0.029629Jy sigma=0.627239 ! Fit after self-cal, rms=0.029612Jy sigma=0.626982 ! 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=0.8812 mas, bmaj=2.238 mas, bpa=-8.112 degrees ! Estimated noise=0.285009 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 = 0.000642626 Jy ! Component: 100 - total flux cleaned = 0.000949911 Jy ! Component: 150 - total flux cleaned = 0.00102045 Jy ! Component: 200 - total flux cleaned = 0.00107089 Jy ! Total flux subtracted in 200 components = 0.00107089 Jy ! Clean residual min=-0.001212 max=0.001218 Jy/beam ! Clean residual mean=-0.000000 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.0180588 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 29 components and 0.0180588 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=0.029597Jy sigma=0.626674 ! Fit after self-cal, rms=0.029592Jy sigma=0.626598 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8812 x 2.238 at -8.112 degrees (North through East) ! Clean map min=-0.0011431 max=0.016903 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.16 HN 1.07 KP 0.96 ! LA 1.04 MK 1.07 OV 1.05 PT 0.83 ! SC 0.88 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.28 HN 1.03 KP 1.06 ! LA 0.93 MK 0.97 OV 1.05 PT 0.89 ! SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.97 HN 1.01 KP 1.05 ! LA 1.00 MK 0.94 OV 1.15 PT 0.82 ! SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.01 HN 0.99 KP 1.02 ! LA 0.92 MK 1.06 OV 1.14 PT 0.92 ! SC 0.90 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.05 HN 1.01 KP 0.99 ! LA 1.00 MK 1.06 OV 1.05 PT 0.84 ! SC 1.06 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.98 HN 0.81 KP 0.91 ! LA 1.04 MK 1.17 OV 1.21 PT 0.77 ! SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 0.93 KP 1.13 ! LA 1.00 MK 1.00 OV 0.97 PT 0.86 ! SC 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.05 HN 0.83 KP 1.08 ! LA 1.02 MK 1.03 OV 1.27 PT 0.75 ! SC 0.86 ! ! ! Fit before self-cal, rms=0.029592Jy sigma=0.626598 ! Fit after self-cal, rms=0.029706Jy sigma=0.624001 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8794 mas, bmaj=2.258 mas, bpa=-7.907 degrees ! Estimated noise=0.28459 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 = -9.97019e-06 Jy ! Component: 100 - total flux cleaned = -4.66342e-05 Jy ! Component: 150 - total flux cleaned = -5.63146e-05 Jy ! Component: 200 - total flux cleaned = -5.23667e-05 Jy ! Total flux subtracted in 200 components = -5.23667e-05 Jy ! Clean residual min=-0.000733 max=0.000720 Jy/beam ! Clean residual mean=0.000001 rms=0.000173 Jy/beam ! Combined flux in latest and established models = 0.0180065 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 35 components and 0.0180065 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=0.029703Jy sigma=0.623963 ! Fit after self-cal, rms=0.029800Jy sigma=0.622645 ! 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=0.029800Jy sigma=0.622645 ! Fit after self-cal, rms=0.030488Jy sigma=0.622282 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8786 mas, bmaj=2.274 mas, bpa=-7.985 degrees ! Estimated noise=0.285664 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.45538e-05 Jy ! Component: 100 - total flux cleaned = -2.45892e-05 Jy ! Component: 150 - total flux cleaned = -2.00759e-05 Jy ! Component: 200 - total flux cleaned = -1.57795e-05 Jy ! Total flux subtracted in 200 components = -1.57795e-05 Jy ! Clean residual min=-0.000695 max=0.000734 Jy/beam ! Clean residual mean=0.000001 rms=0.000173 Jy/beam ! Combined flux in latest and established models = 0.0179907 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 35 components and 0.0179907 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=0.030485Jy sigma=0.622248 ! Fit after self-cal, rms=0.030558Jy sigma=0.621987 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 = -5.80673e-05 Jy ! Component: 100 - total flux cleaned = -2.4645e-05 Jy ! Component: 150 - total flux cleaned = -1.68962e-05 Jy ! Component: 200 - total flux cleaned = -1.69725e-05 Jy ! Total flux subtracted in 200 components = -1.69725e-05 Jy ! Clean residual min=-0.000699 max=0.000719 Jy/beam ! Clean residual mean=0.000000 rms=0.000170 Jy/beam ! Combined flux in latest and established models = 0.0179737 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 39 components and 0.0179737 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=0.030557Jy sigma=0.621961 ! Fit after self-cal, rms=0.030550Jy sigma=0.621843 ! Inverting map ! Added new window around map position (38.4, 10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000620417 Jy ! Component: 100 - total flux cleaned = 0.000621208 Jy ! Component: 150 - total flux cleaned = 0.000631929 Jy ! Component: 200 - total flux cleaned = 0.000640706 Jy ! Total flux subtracted in 200 components = 0.000640706 Jy ! Clean residual min=-0.000680 max=0.000658 Jy/beam ! Clean residual mean=0.000001 rms=0.000162 Jy/beam ! Combined flux in latest and established models = 0.0186144 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 57 components and 0.0186144 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=0.030535Jy sigma=0.621539 ! Fit after self-cal, rms=0.030533Jy sigma=0.621262 ! 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=0.030533Jy sigma=0.621262 ! Fit after self-cal, rms=0.030898Jy sigma=0.621151 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8771 mas, bmaj=2.284 mas, bpa=-7.943 degrees ! Estimated noise=0.286181 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000446564 Jy ! Component: 100 - total flux cleaned = 0.000436569 Jy ! Component: 150 - total flux cleaned = 0.000409384 Jy ! Component: 200 - total flux cleaned = 0.000384384 Jy ! Total flux subtracted in 200 components = 0.000384384 Jy ! Clean residual min=-0.000681 max=0.000621 Jy/beam ! Clean residual mean=0.000001 rms=0.000160 Jy/beam ! Combined flux in latest and established models = 0.0189988 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 61 components and 0.0189988 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=0.030886Jy sigma=0.620953 ! Fit after self-cal, rms=0.030925Jy sigma=0.620817 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 = 0.000246765 Jy ! Component: 100 - total flux cleaned = 0.000237702 Jy ! Component: 150 - total flux cleaned = 0.000229314 Jy ! Component: 200 - total flux cleaned = 0.000207081 Jy ! Total flux subtracted in 200 components = 0.000207081 Jy ! Clean residual min=-0.000673 max=0.000636 Jy/beam ! Clean residual mean=0.000001 rms=0.000160 Jy/beam ! Combined flux in latest and established models = 0.0192059 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 65 components and 0.0192059 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=0.030917Jy sigma=0.620697 ! Fit after self-cal, rms=0.030919Jy sigma=0.620652 ! 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. ! ! Fit before self-cal, rms=0.030919Jy sigma=0.620652 ! Fit after self-cal, rms=0.031211Jy sigma=0.620586 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.075 mas, bmaj=3.117 mas, bpa=3.184 degrees ! Estimated noise=0.377688 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000153444 Jy ! Component: 100 - total flux cleaned = 0.000111103 Jy ! Component: 150 - total flux cleaned = 5.93126e-05 Jy ! Component: 200 - total flux cleaned = 3.08939e-05 Jy ! Total flux subtracted in 200 components = 3.08939e-05 Jy ! Clean residual min=-0.000660 max=0.000684 Jy/beam ! Clean residual mean=0.000001 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.0192368 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 75 components and 0.0192368 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=0.031205Jy sigma=0.620526 ! Fit after self-cal, rms=0.031228Jy sigma=0.620451 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 = 3.15174e-05 Jy ! Component: 100 - total flux cleaned = -1.57426e-06 Jy ! Component: 150 - total flux cleaned = -2.27547e-05 Jy ! Component: 200 - total flux cleaned = -2.2799e-05 Jy ! Total flux subtracted in 200 components = -2.2799e-05 Jy ! Clean residual min=-0.000682 max=0.000664 Jy/beam ! Clean residual mean=0.000001 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.019214 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 79 components and 0.019214 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=0.031225Jy sigma=0.620429 ! Fit after self-cal, rms=0.031222Jy sigma=0.620324 ! 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=0.8771 mas, bmaj=2.29 mas, bpa=-7.863 degrees ! Estimated noise=0.287158 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8771 x 2.29 at -7.863 degrees (North through East) ! Clean map min=-0.0010123 max=0.01676 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=0.6755 mas, bmaj=2.128 mas, bpa=-7.954 degrees ! Estimated noise=0.506246 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0125245 Jy ! Component: 100 - total flux cleaned = 0.0157638 Jy ! Component: 150 - total flux cleaned = 0.0175458 Jy ! Component: 200 - total flux cleaned = 0.0185589 Jy ! Total flux subtracted in 200 components = 0.0185589 Jy ! Clean residual min=-0.001108 max=0.001157 Jy/beam ! Clean residual mean=0.000000 rms=0.000290 Jy/beam ! Combined flux in latest and established models = 0.0185589 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.0185589 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8771 mas, bmaj=2.29 mas, bpa=-7.863 degrees ! Estimated noise=0.287158 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 = 0.000618427 Jy ! Component: 100 - total flux cleaned = 0.000729812 Jy ! Component: 150 - total flux cleaned = 0.000707285 Jy ! Component: 200 - total flux cleaned = 0.000685897 Jy ! Total flux subtracted in 200 components = 0.000685897 Jy ! Clean residual min=-0.000763 max=0.000705 Jy/beam ! Clean residual mean=0.000000 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.0192448 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 34 components and 0.0192448 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=2.075 mas, bmaj=3.117 mas, bpa=3.184 degrees ! Estimated noise=0.377688 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000169639 Jy ! Component: 100 - total flux cleaned = -0.000214987 Jy ! Component: 150 - total flux cleaned = -0.000203519 Jy ! Component: 200 - total flux cleaned = -0.000183348 Jy ! Total flux subtracted in 200 components = -0.000183348 Jy ! Clean residual min=-0.000779 max=0.000703 Jy/beam ! Clean residual mean=0.000001 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.0190614 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 = 8.99767e-06 Jy ! Component: 100 - total flux cleaned = 8.7854e-06 Jy ! Component: 150 - total flux cleaned = 1.02901e-06 Jy ! Component: 200 - total flux cleaned = 8.39112e-06 Jy ! Total flux subtracted in 200 components = 8.39112e-06 Jy ! Clean residual min=-0.000731 max=0.000692 Jy/beam ! Clean residual mean=0.000001 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.0190698 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 51 components and 0.0190698 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8771 mas, bmaj=2.29 mas, bpa=-7.863 degrees ! Estimated noise=0.287158 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.63731e-05 Jy ! Component: 100 - total flux cleaned = -6.4194e-05 Jy ! Component: 150 - total flux cleaned = -2.8036e-05 Jy ! Component: 200 - total flux cleaned = 1.51437e-05 Jy ! Total flux subtracted in 200 components = 1.51437e-05 Jy ! Clean residual min=-0.000713 max=0.000654 Jy/beam ! Clean residual mean=0.000000 rms=0.000165 Jy/beam ! Combined flux in latest and established models = 0.019085 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 0.019085 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=0.031226Jy sigma=0.620425 ! Fit after self-cal, rms=0.031223Jy sigma=0.620331 wmodel J0831+1746_X_map.mod ! Writing 65 model components to file: J0831+1746_X_map.mod wobs J0831+1746_X_uvs.fits ! Writing UV FITS file: J0831+1746_X_uvs.fits wwins J0831+1746_X_map.win ! wwins: Wrote 2 windows to J0831+1746_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 = -0.000157071 Jy ! Component: 100 - total flux cleaned = -0.000200596 Jy ! Component: 150 - total flux cleaned = -0.000231623 Jy ! Component: 200 - total flux cleaned = -0.000251289 Jy ! Component: 250 - total flux cleaned = -0.000269713 Jy ! Component: 300 - total flux cleaned = -0.000251351 Jy ! Component: 350 - total flux cleaned = -0.000242538 Jy ! Component: 400 - total flux cleaned = -0.000242718 Jy ! Component: 450 - total flux cleaned = -0.000234868 Jy ! Component: 500 - total flux cleaned = -0.000235151 Jy ! Component: 550 - total flux cleaned = -0.000243157 Jy ! Component: 600 - total flux cleaned = -0.000258349 Jy ! Component: 650 - total flux cleaned = -0.000251041 Jy ! Component: 700 - total flux cleaned = -0.000272891 Jy ! Component: 750 - total flux cleaned = -0.000301223 Jy ! Component: 800 - total flux cleaned = -0.000328872 Jy ! Component: 850 - total flux cleaned = -0.000362718 Jy ! Component: 900 - total flux cleaned = -0.000389466 Jy ! Component: 950 - total flux cleaned = -0.000415563 Jy ! Component: 1000 - total flux cleaned = -0.000466722 Jy ! Component: 1050 - total flux cleaned = -0.0005168 Jy ! Component: 1100 - total flux cleaned = -0.000578204 Jy ! Component: 1150 - total flux cleaned = -0.000614366 Jy ! Component: 1200 - total flux cleaned = -0.000650099 Jy ! Component: 1250 - total flux cleaned = -0.000691119 Jy ! Component: 1300 - total flux cleaned = -0.000719924 Jy ! Component: 1350 - total flux cleaned = -0.000753998 Jy ! Component: 1400 - total flux cleaned = -0.000787595 Jy ! Component: 1450 - total flux cleaned = -0.000826104 Jy ! Component: 1500 - total flux cleaned = -0.000853267 Jy ! Component: 1550 - total flux cleaned = -0.000890717 Jy ! Component: 1600 - total flux cleaned = -0.000922309 Jy ! Component: 1650 - total flux cleaned = -0.000948358 Jy ! Component: 1700 - total flux cleaned = -0.00099461 Jy ! Component: 1750 - total flux cleaned = -0.00104021 Jy ! Component: 1800 - total flux cleaned = -0.00106526 Jy ! Component: 1850 - total flux cleaned = -0.00110493 Jy ! Component: 1900 - total flux cleaned = -0.00116345 Jy ! Component: 1950 - total flux cleaned = -0.00119233 Jy ! Component: 2000 - total flux cleaned = -0.00122563 Jy ! Component: 2050 - total flux cleaned = -0.00127266 Jy ! Component: 2100 - total flux cleaned = -0.00130984 Jy ! Component: 2150 - total flux cleaned = -0.0013421 Jy ! Component: 2200 - total flux cleaned = -0.00139216 Jy ! Component: 2250 - total flux cleaned = -0.00141915 Jy ! Component: 2300 - total flux cleaned = -0.0014593 Jy ! Component: 2350 - total flux cleaned = -0.00150782 Jy ! Component: 2400 - total flux cleaned = -0.00153402 Jy ! Component: 2450 - total flux cleaned = -0.00155563 Jy ! Component: 2500 - total flux cleaned = -0.00158567 Jy ! Component: 2550 - total flux cleaned = -0.00161541 Jy ! Component: 2600 - total flux cleaned = -0.00162806 Jy ! Component: 2650 - total flux cleaned = -0.00165734 Jy ! Component: 2700 - total flux cleaned = -0.00168635 Jy ! Component: 2750 - total flux cleaned = -0.00170277 Jy ! Component: 2800 - total flux cleaned = -0.00173542 Jy ! Component: 2850 - total flux cleaned = -0.00176782 Jy ! Component: 2900 - total flux cleaned = -0.00178789 Jy ! Component: 2950 - total flux cleaned = -0.00181584 Jy ! Component: 3000 - total flux cleaned = -0.00183961 Jy ! Component: 3050 - total flux cleaned = -0.00185139 Jy ! Component: 3100 - total flux cleaned = -0.00186704 Jy ! Component: 3150 - total flux cleaned = -0.00189036 Jy ! Component: 3200 - total flux cleaned = -0.00191353 Jy ! Component: 3250 - total flux cleaned = -0.00193271 Jy ! Component: 3300 - total flux cleaned = -0.00194034 Jy ! Component: 3350 - total flux cleaned = -0.00197823 Jy ! Component: 3400 - total flux cleaned = -0.00198575 Jy ! Component: 3450 - total flux cleaned = -0.00200072 Jy ! Component: 3500 - total flux cleaned = -0.00201935 Jy ! Component: 3550 - total flux cleaned = -0.00202673 Jy ! Component: 3600 - total flux cleaned = -0.00204519 Jy ! Component: 3650 - total flux cleaned = -0.00205986 Jy ! Component: 3700 - total flux cleaned = -0.00208177 Jy ! Component: 3750 - total flux cleaned = -0.00208904 Jy ! Component: 3800 - total flux cleaned = -0.00210348 Jy ! Component: 3850 - total flux cleaned = -0.00211431 Jy ! Component: 3900 - total flux cleaned = -0.00212866 Jy ! Component: 3950 - total flux cleaned = -0.00214651 Jy ! Component: 4000 - total flux cleaned = -0.00215715 Jy ! Component: 4050 - total flux cleaned = -0.00217132 Jy ! Total flux subtracted in 4096 components = -0.00217839 Jy ! Clean residual min=-0.000210 max=0.000200 Jy/beam ! Clean residual mean=0.000000 rms=0.000058 Jy/beam ! Combined flux in latest and established models = 0.0169066 Jy keep ! Adding 275 model components to the UV plane model. ! The established model now contains 340 components and 0.0169066 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J0831+1746_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8771 x 2.29 at -7.863 degrees (North through East) ! Clean map min=-0.0010193 max=0.016621 Jy/beam ! Writing clean map to FITS file: .//J0831+1746_X_map.fits wmodel .//J0831+1746_X_map.mod ! Writing 340 model components to file: .//J0831+1746_X_map.mod wobs .//J0831+1746_X_uvs.fits ! Writing UV FITS file: .//J0831+1746_X_uvs.fits wwins .//J0831+1746_X_map.win ! wwins: Wrote 3 windows to .//J0831+1746_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0166214 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.61696e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.01381 1.01381 2.02761 4.05523 8.11045 16.2209 32.4418 64.8836 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.016 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 295.914 quit ! Quitting program ! Log file .//J0831+1746_X_dfm.log closed on Mon Jan 20 17:45:43 2020