! Started logfile: .//J2157+5819_X_dfm.log on Sun Oct 21 00:17:22 2018 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 .//J2157+5819_X_uva.fits ! Reading UV FITS file: .//J2157+5819_X_uva.fits ! AN table 1: 23 integrations on 15 of 15 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J2157+5819 ! ! 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 76 lines of history. ! ! Reading 2760 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 J2157+5819_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.000062Jy sigma=46.850116 ! Fit after self-cal, rms=0.993928Jy sigma=46.550205 ! 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=0.796 mas, bmaj=4.526 mas, bpa=17.66 degrees ! Estimated noise=0.628232 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 = 0.00427755 Jy ! Component: 100 - total flux cleaned = 0.00483955 Jy ! Total flux subtracted in 100 components = 0.00483955 Jy ! Clean residual min=-0.001905 max=0.001793 Jy/beam ! Clean residual mean=-0.000001 rms=0.000546 Jy/beam ! Combined flux in latest and established models = 0.00483955 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.00483955 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=0.014621Jy sigma=0.676742 ! Fit after self-cal, rms=0.013500Jy sigma=0.623425 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0032388 Jy ! Component: 100 - total flux cleaned = 0.0034796 Jy ! Total flux subtracted in 100 components = 0.0034796 Jy ! Clean residual min=-0.001472 max=0.001371 Jy/beam ! Clean residual mean=0.000000 rms=0.000425 Jy/beam ! Combined flux in latest and established models = 0.00831916 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 18 components and 0.00831916 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=0.012755Jy sigma=0.586588 ! Fit after self-cal, rms=0.012721Jy sigma=0.584702 ! 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=1.098 mas, bmaj=4.177 mas, bpa=16.46 degrees ! Estimated noise=0.290272 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 = 0.00105291 Jy ! Component: 100 - total flux cleaned = 0.00163547 Jy ! Component: 150 - total flux cleaned = 0.00188427 Jy ! Component: 200 - total flux cleaned = 0.00202825 Jy ! Total flux subtracted in 200 components = 0.00202825 Jy ! Clean residual min=-0.000608 max=0.000575 Jy/beam ! Clean residual mean=0.000000 rms=0.000162 Jy/beam ! Combined flux in latest and established models = 0.0103474 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 54 components and 0.0103474 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=0.012636Jy sigma=0.580290 ! Fit after self-cal, rms=0.012635Jy sigma=0.579577 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.098 x 4.177 at 16.46 degrees (North through East) ! Clean map min=-0.00062613 max=0.0091592 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.25 KP 0.97 LA 0.96 NL 1.08 ! OV 0.96 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.89 LA 1.01 NL 1.03 ! OV 0.83 SC 1.15 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.84 KP 1.16 LA 0.93 NL 1.30 ! OV 1.05 SC 1.08 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 KP 1.01 LA 0.89 NL 1.24 ! OV 0.92 SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 KP 0.85 LA 1.02 NL 1.07 ! OV 1.13 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 KP 0.94 LA 1.02 NL 1.05 ! OV 0.99 SC 1.15 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.85 KP 1.06 LA 1.00 NL 0.95 ! OV 0.98 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 1.04 LA 0.83 NL 1.03 ! OV 1.11 SC 0.93 ! ! ! Fit before self-cal, rms=0.012635Jy sigma=0.579577 ! Fit after self-cal, rms=0.012836Jy sigma=0.576104 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.11 mas, bmaj=4.254 mas, bpa=16.46 degrees ! Estimated noise=0.288012 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 = 0.000256351 Jy ! Component: 100 - total flux cleaned = 0.000257729 Jy ! Component: 150 - total flux cleaned = 0.000245193 Jy ! Component: 200 - total flux cleaned = 0.000261222 Jy ! Total flux subtracted in 200 components = 0.000261222 Jy ! Clean residual min=-0.000554 max=0.000571 Jy/beam ! Clean residual mean=0.000000 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.0106086 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 63 components and 0.0106086 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=0.012827Jy sigma=0.575781 ! Fit after self-cal, rms=0.012907Jy sigma=0.574230 ! 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=0.012907Jy sigma=0.574230 ! Fit after self-cal, rms=0.013176Jy sigma=0.573764 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.106 mas, bmaj=4.289 mas, bpa=16.52 degrees ! Estimated noise=0.287248 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000191188 Jy ! Component: 100 - total flux cleaned = 0.000198345 Jy ! Component: 150 - total flux cleaned = 0.000203555 Jy ! Component: 200 - total flux cleaned = 0.000208602 Jy ! Total flux subtracted in 200 components = 0.000208602 Jy ! Clean residual min=-0.000525 max=0.000563 Jy/beam ! Clean residual mean=0.000000 rms=0.000136 Jy/beam ! Combined flux in latest and established models = 0.0108172 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 66 components and 0.0108172 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=0.013168Jy sigma=0.573498 ! Fit after self-cal, rms=0.013229Jy sigma=0.572943 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 = 0.000103439 Jy ! Component: 100 - total flux cleaned = 0.000155034 Jy ! Component: 150 - total flux cleaned = 0.000177513 Jy ! Component: 200 - total flux cleaned = 0.000198025 Jy ! Total flux subtracted in 200 components = 0.000198025 Jy ! Clean residual min=-0.000537 max=0.000593 Jy/beam ! Clean residual mean=0.000000 rms=0.000138 Jy/beam ! Combined flux in latest and established models = 0.0110153 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 69 components and 0.0110153 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=0.013222Jy sigma=0.572720 ! Fit after self-cal, rms=0.013231Jy sigma=0.572667 ! Inverting map ! Added new window around map position (-30.6, 45.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000390914 Jy ! Component: 100 - total flux cleaned = 0.000489548 Jy ! Component: 150 - total flux cleaned = 0.000627814 Jy ! Component: 200 - total flux cleaned = 0.00077402 Jy ! Total flux subtracted in 200 components = 0.00077402 Jy ! Clean residual min=-0.000416 max=0.000502 Jy/beam ! Clean residual mean=0.000000 rms=0.000108 Jy/beam ! Combined flux in latest and established models = 0.0117893 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 89 components and 0.0117893 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=0.013199Jy sigma=0.571312 ! Fit after self-cal, rms=0.013202Jy sigma=0.570904 ! Inverting map ! Added new window around map position (26, 44.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000328402 Jy ! Component: 100 - total flux cleaned = 0.000463445 Jy ! Component: 150 - total flux cleaned = 0.000510251 Jy ! Component: 200 - total flux cleaned = 0.000584612 Jy ! Total flux subtracted in 200 components = 0.000584612 Jy ! Clean residual min=-0.000395 max=0.000359 Jy/beam ! Clean residual mean=0.000000 rms=0.000100 Jy/beam ! Combined flux in latest and established models = 0.0123739 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 112 components and 0.0123739 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=0.013165Jy sigma=0.569571 ! Fit after self-cal, rms=0.013158Jy sigma=0.568968 ! 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=0.013158Jy sigma=0.568968 ! Fit after self-cal, rms=0.013189Jy sigma=0.568385 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.097 mas, bmaj=4.305 mas, bpa=16.59 degrees ! Estimated noise=0.28024 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000286987 Jy ! Component: 100 - total flux cleaned = 0.000397878 Jy ! Component: 150 - total flux cleaned = 0.000461126 Jy ! Component: 200 - total flux cleaned = 0.000536381 Jy ! Total flux subtracted in 200 components = 0.000536381 Jy ! Clean residual min=-0.000412 max=0.000373 Jy/beam ! Clean residual mean=0.000000 rms=0.000094 Jy/beam ! Combined flux in latest and established models = 0.0129103 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 122 components and 0.0129103 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=0.013164Jy sigma=0.567441 ! Fit after self-cal, rms=0.013210Jy sigma=0.566987 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 = 0.000264712 Jy ! Component: 100 - total flux cleaned = 0.000362025 Jy ! Component: 150 - total flux cleaned = 0.000419404 Jy ! Component: 200 - total flux cleaned = 0.000472537 Jy ! Total flux subtracted in 200 components = 0.000472537 Jy ! Clean residual min=-0.000395 max=0.000367 Jy/beam ! Clean residual mean=0.000000 rms=0.000093 Jy/beam ! Combined flux in latest and established models = 0.0133828 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 136 components and 0.0133828 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=0.013191Jy sigma=0.566330 ! Fit after self-cal, rms=0.013194Jy sigma=0.566218 ! 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=0.013194Jy sigma=0.566218 ! Fit after self-cal, rms=0.013308Jy sigma=0.566058 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.294 mas, bmaj=4.279 mas, bpa=9.019 degrees ! Estimated noise=0.319455 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000144914 Jy ! Component: 100 - total flux cleaned = 0.000173928 Jy ! Component: 150 - total flux cleaned = 0.000210371 Jy ! Component: 200 - total flux cleaned = 0.000242113 Jy ! Total flux subtracted in 200 components = 0.000242113 Jy ! Clean residual min=-0.000323 max=0.000197 Jy/beam ! Clean residual mean=0.000000 rms=0.000065 Jy/beam ! Combined flux in latest and established models = 0.0136249 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 156 components and 0.0136249 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=0.013302Jy sigma=0.565863 ! Fit after self-cal, rms=0.013321Jy sigma=0.565619 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 = 5.35532e-05 Jy ! Component: 100 - total flux cleaned = 9.68936e-05 Jy ! Component: 150 - total flux cleaned = 0.000145232 Jy ! Component: 200 - total flux cleaned = 0.000182939 Jy ! Total flux subtracted in 200 components = 0.000182939 Jy ! Clean residual min=-0.000308 max=0.000198 Jy/beam ! Clean residual mean=0.000000 rms=0.000063 Jy/beam ! Combined flux in latest and established models = 0.0138079 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 172 components and 0.0138079 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=0.013317Jy sigma=0.565483 ! Fit after self-cal, rms=0.013318Jy sigma=0.565440 ! 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=1.094 mas, bmaj=4.299 mas, bpa=16.61 degrees ! Estimated noise=0.277707 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.094 x 4.299 at 16.61 degrees (North through East) ! Clean map min=-0.00061783 max=0.0090409 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=0.7834 mas, bmaj=4.713 mas, bpa=17.74 degrees ! Estimated noise=0.591138 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00638285 Jy ! Component: 100 - total flux cleaned = 0.0075024 Jy ! Component: 150 - total flux cleaned = 0.0078304 Jy ! Component: 200 - total flux cleaned = 0.0079255 Jy ! Total flux subtracted in 200 components = 0.0079255 Jy ! Clean residual min=-0.001320 max=0.001495 Jy/beam ! Clean residual mean=0.000000 rms=0.000375 Jy/beam ! Combined flux in latest and established models = 0.0079255 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 0.0079255 Jy ! Inverting map and beam ! Estimated beam: bmin=1.094 mas, bmaj=4.299 mas, bpa=16.61 degrees ! Estimated noise=0.277707 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 = 0.001489 Jy ! Component: 100 - total flux cleaned = 0.00215825 Jy ! Component: 150 - total flux cleaned = 0.00255994 Jy ! Component: 200 - total flux cleaned = 0.00288988 Jy ! Total flux subtracted in 200 components = 0.00288988 Jy ! Clean residual min=-0.000664 max=0.000593 Jy/beam ! Clean residual mean=0.000000 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.0108154 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 58 components and 0.0108154 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=2.294 mas, bmaj=4.279 mas, bpa=9.019 degrees ! Estimated noise=0.319455 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000557678 Jy ! Component: 100 - total flux cleaned = 0.000881389 Jy ! Component: 150 - total flux cleaned = 0.00110757 Jy ! Component: 200 - total flux cleaned = 0.00128665 Jy ! Total flux subtracted in 200 components = 0.00128665 Jy ! Clean residual min=-0.000551 max=0.000428 Jy/beam ! Clean residual mean=0.000000 rms=0.000142 Jy/beam ! Combined flux in latest and established models = 0.012102 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 = 0.000153399 Jy ! Component: 100 - total flux cleaned = 0.000276204 Jy ! Component: 150 - total flux cleaned = 0.000407094 Jy ! Component: 200 - total flux cleaned = 0.000504294 Jy ! Total flux subtracted in 200 components = 0.000504294 Jy ! Clean residual min=-0.000483 max=0.000384 Jy/beam ! Clean residual mean=0.000000 rms=0.000126 Jy/beam ! Combined flux in latest and established models = 0.0126063 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 112 components and 0.0126063 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.094 mas, bmaj=4.299 mas, bpa=16.61 degrees ! Estimated noise=0.277707 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.77137e-05 Jy ! Component: 100 - total flux cleaned = 5.11423e-05 Jy ! Component: 150 - total flux cleaned = 7.22761e-05 Jy ! Component: 200 - total flux cleaned = 0.000111111 Jy ! Total flux subtracted in 200 components = 0.000111111 Jy ! Clean residual min=-0.000501 max=0.000435 Jy/beam ! Clean residual mean=0.000000 rms=0.000118 Jy/beam ! Combined flux in latest and established models = 0.0127174 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 132 components and 0.0127174 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=0.013332Jy sigma=0.566195 ! Fit after self-cal, rms=0.013319Jy sigma=0.565758 wmodel J2157+5819_X_map.mod ! Writing 132 model components to file: J2157+5819_X_map.mod wobs J2157+5819_X_uvs.fits ! Writing UV FITS file: J2157+5819_X_uvs.fits wwins J2157+5819_X_map.win ! wwins: Wrote 3 windows to J2157+5819_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 = -0.000138016 Jy ! Component: 100 - total flux cleaned = -0.000207821 Jy ! Component: 150 - total flux cleaned = -0.000278059 Jy ! Component: 200 - total flux cleaned = -0.00032039 Jy ! Component: 250 - total flux cleaned = -0.00033787 Jy ! Component: 300 - total flux cleaned = -0.000337897 Jy ! Component: 350 - total flux cleaned = -0.000332344 Jy ! Component: 400 - total flux cleaned = -0.000321658 Jy ! Component: 450 - total flux cleaned = -0.00032164 Jy ! Component: 500 - total flux cleaned = -0.000316589 Jy ! Component: 550 - total flux cleaned = -0.00032159 Jy ! Component: 600 - total flux cleaned = -0.000331327 Jy ! Component: 650 - total flux cleaned = -0.00033127 Jy ! Component: 700 - total flux cleaned = -0.000335991 Jy ! Component: 750 - total flux cleaned = -0.000340635 Jy ! Component: 800 - total flux cleaned = -0.000354299 Jy ! Component: 850 - total flux cleaned = -0.000367827 Jy ! Component: 900 - total flux cleaned = -0.000385606 Jy ! Component: 950 - total flux cleaned = -0.000398807 Jy ! Component: 1000 - total flux cleaned = -0.0004292 Jy ! Component: 1050 - total flux cleaned = -0.00044636 Jy ! Component: 1100 - total flux cleaned = -0.000463357 Jy ! Component: 1150 - total flux cleaned = -0.000492805 Jy ! Component: 1200 - total flux cleaned = -0.000521898 Jy ! Component: 1250 - total flux cleaned = -0.000542432 Jy ! Component: 1300 - total flux cleaned = -0.000562808 Jy ! Component: 1350 - total flux cleaned = -0.000595048 Jy ! Component: 1400 - total flux cleaned = -0.000623023 Jy ! Component: 1450 - total flux cleaned = -0.000650827 Jy ! Component: 1500 - total flux cleaned = -0.00069019 Jy ! Component: 1550 - total flux cleaned = -0.000713614 Jy ! Component: 1600 - total flux cleaned = -0.00074465 Jy ! Component: 1650 - total flux cleaned = -0.000771595 Jy ! Component: 1700 - total flux cleaned = -0.000798356 Jy ! Component: 1750 - total flux cleaned = -0.00082494 Jy ! Component: 1800 - total flux cleaned = -0.000843841 Jy ! Component: 1850 - total flux cleaned = -0.000877622 Jy ! Component: 1900 - total flux cleaned = -0.000892538 Jy ! Component: 1950 - total flux cleaned = -0.000922256 Jy ! Component: 2000 - total flux cleaned = -0.000937067 Jy ! Component: 2050 - total flux cleaned = -0.000955503 Jy ! Component: 2100 - total flux cleaned = -0.00096653 Jy ! Component: 2150 - total flux cleaned = -0.00098482 Jy ! Component: 2200 - total flux cleaned = -0.000999394 Jy ! Component: 2250 - total flux cleaned = -0.0010139 Jy ! Component: 2300 - total flux cleaned = -0.00102116 Jy ! Component: 2350 - total flux cleaned = -0.00102838 Jy ! Component: 2400 - total flux cleaned = -0.00102837 Jy ! Component: 2450 - total flux cleaned = -0.00103196 Jy ! Component: 2500 - total flux cleaned = -0.00103196 Jy ! Component: 2550 - total flux cleaned = -0.00104273 Jy ! Component: 2600 - total flux cleaned = -0.00104633 Jy ! Component: 2650 - total flux cleaned = -0.00104993 Jy ! Component: 2700 - total flux cleaned = -0.00104994 Jy ! Component: 2750 - total flux cleaned = -0.00106066 Jy ! Component: 2800 - total flux cleaned = -0.00106065 Jy ! Component: 2850 - total flux cleaned = -0.00106423 Jy ! Component: 2900 - total flux cleaned = -0.0010678 Jy ! Component: 2950 - total flux cleaned = -0.00107493 Jy ! Component: 3000 - total flux cleaned = -0.00109279 Jy ! Component: 3050 - total flux cleaned = -0.00108921 Jy ! Component: 3100 - total flux cleaned = -0.00110354 Jy ! Component: 3150 - total flux cleaned = -0.00110712 Jy ! Component: 3200 - total flux cleaned = -0.00110714 Jy ! Component: 3250 - total flux cleaned = -0.00110354 Jy ! Component: 3300 - total flux cleaned = -0.00110354 Jy ! Component: 3350 - total flux cleaned = -0.00111436 Jy ! Component: 3400 - total flux cleaned = -0.00110713 Jy ! Component: 3450 - total flux cleaned = -0.00109625 Jy ! Component: 3500 - total flux cleaned = -0.00111441 Jy ! Component: 3550 - total flux cleaned = -0.00111442 Jy ! Component: 3600 - total flux cleaned = -0.00111078 Jy ! Component: 3650 - total flux cleaned = -0.00110712 Jy ! Component: 3700 - total flux cleaned = -0.00110345 Jy ! Component: 3750 - total flux cleaned = -0.00110716 Jy ! Component: 3800 - total flux cleaned = -0.00108865 Jy ! Component: 3850 - total flux cleaned = -0.00108122 Jy ! Component: 3900 - total flux cleaned = -0.0010775 Jy ! Component: 3950 - total flux cleaned = -0.00106619 Jy ! Component: 4000 - total flux cleaned = -0.00106996 Jy ! Component: 4050 - total flux cleaned = -0.00106233 Jy ! Total flux subtracted in 4096 components = -0.00104701 Jy ! Clean residual min=-0.000305 max=0.000206 Jy/beam ! Clean residual mean=0.000000 rms=0.000063 Jy/beam ! Combined flux in latest and established models = 0.0116704 Jy keep ! Adding 187 model components to the UV plane model. ! The established model now contains 319 components and 0.0116704 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J2157+5819_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.094 x 4.299 at 16.61 degrees (North through East) ! Clean map min=-0.00069538 max=0.0085961 Jy/beam ! Writing clean map to FITS file: .//J2157+5819_X_map.fits wmodel .//J2157+5819_X_map.mod ! Writing 319 model components to file: .//J2157+5819_X_map.mod wobs .//J2157+5819_X_uvs.fits ! Writing UV FITS file: .//J2157+5819_X_uvs.fits wwins .//J2157+5819_X_map.win ! wwins: Wrote 4 windows to .//J2157+5819_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.00859607 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.27128e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -2.18866 2.18866 4.37732 8.75463 17.5093 35.0185 70.037 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.008 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 137.07 quit ! Quitting program ! Log file .//J2157+5819_X_dfm.log closed on Sun Oct 21 00:17:26 2018