! Started logfile: /vlbi/bp222/maps//J2257-3627_S_dfm.log on Thu Sep 27 11:43:30 2018 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/bp222/maps//J2257-3627_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2257-3627_S_uvm.fits ! AN table 1: 46 integrations on 45 of 45 possible baselines. ! AN table 2: 115 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.733172 visibilities/baseline/integration-bin. ! Found source: J2257-3627 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 54 lines of history. ! ! Reading 18212 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J2257-3627_S] 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 0.500x0.500 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 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 205 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 460 telescope corrections were flagged in sub-array 1. ! A total of 680 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.116800Jy sigma=12.113890 ! Fit after self-cal, rms=0.757882Jy sigma=7.796661 ! 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=2.427 mas, bmaj=7.327 mas, bpa=-2.077 degrees ! Estimated noise=0.910678 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 = 0.189904 Jy ! Component: 100 - total flux cleaned = 0.286604 Jy ! Total flux subtracted in 100 components = 0.286604 Jy ! Clean residual min=-0.033654 max=0.106161 Jy/beam ! Clean residual mean=-0.001723 rms=0.010873 Jy/beam ! Combined flux in latest and established models = 0.286604 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 25 components and 0.286604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.365810Jy sigma=4.178280 ! Fit after self-cal, rms=0.365205Jy sigma=4.173972 ! Inverting map ! Added new window around map position (-6.5, 9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.100457 Jy ! Component: 100 - total flux cleaned = 0.161126 Jy ! Total flux subtracted in 100 components = 0.161126 Jy ! Clean residual min=-0.025673 max=0.092549 Jy/beam ! Clean residual mean=-0.001392 rms=0.008656 Jy/beam ! Combined flux in latest and established models = 0.447731 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 44 components and 0.447731 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304841Jy sigma=3.437931 ! Fit after self-cal, rms=0.299294Jy sigma=3.376179 ! Inverting map ! Added new window around map position (4.5, -6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0785253 Jy ! Component: 100 - total flux cleaned = 0.133369 Jy ! Total flux subtracted in 100 components = 0.133369 Jy ! Clean residual min=-0.021084 max=0.065040 Jy/beam ! Clean residual mean=-0.001109 rms=0.006474 Jy/beam ! Combined flux in latest and established models = 0.5811 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 62 components and 0.5811 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.253213Jy sigma=2.803532 ! Fit after self-cal, rms=0.252361Jy sigma=2.794028 ! Inverting map ! Added new window around map position (-11, 15.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0569514 Jy ! Component: 100 - total flux cleaned = 0.0951419 Jy ! Total flux subtracted in 100 components = 0.0951419 Jy ! Clean residual min=-0.015336 max=0.038488 Jy/beam ! Clean residual mean=-0.000912 rms=0.005139 Jy/beam ! Combined flux in latest and established models = 0.676242 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 80 components and 0.676242 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224787Jy sigma=2.439989 ! Fit after self-cal, rms=0.224428Jy sigma=2.436177 ! Inverting map ! Added new window around map position (9, -12.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0394742 Jy ! Component: 100 - total flux cleaned = 0.0694528 Jy ! Total flux subtracted in 100 components = 0.0694528 Jy ! Clean residual min=-0.012708 max=0.026965 Jy/beam ! Clean residual mean=-0.000763 rms=0.004361 Jy/beam ! Combined flux in latest and established models = 0.745694 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 105 components and 0.745694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207635Jy sigma=2.212381 ! Fit after self-cal, rms=0.207478Jy sigma=2.210338 ! 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=3.296 mas, bmaj=9.616 mas, bpa=-1.423 degrees ! Estimated noise=0.575925 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 = 0.0661349 Jy ! Component: 100 - total flux cleaned = 0.113945 Jy ! Component: 150 - total flux cleaned = 0.149644 Jy ! Component: 200 - total flux cleaned = 0.176477 Jy ! Total flux subtracted in 200 components = 0.176477 Jy ! Clean residual min=-0.021079 max=0.038484 Jy/beam ! Clean residual mean=-0.000717 rms=0.007952 Jy/beam ! Combined flux in latest and established models = 0.922172 Jy ! Performing phase self-cal ! Adding 75 model components to the UV plane model. ! The established model now contains 164 components and 0.922171 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184161Jy sigma=1.830045 ! Fit after self-cal, rms=0.183970Jy sigma=1.827393 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.296 x 9.616 at -1.423 degrees (North through East) ! Clean map min=-0.020637 max=0.22615 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.18 HN 1.65 KP 0.92 ! LA 0.87 MK 0.92 NL 1.14 OV 1.06 ! PT 0.86 SC 1.08 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 FD 1.05 KP 0.92 LA 0.86 ! MK 0.95 NL 1.17 OV 1.01 PT 0.86 ! SC 1.22 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 1.17 HN 1.88 KP 0.93 ! LA 1.14 MK 0.94 NL 1.17 OV 1.07 ! PT 0.85 SC 1.01 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.21 FD 1.07 KP 0.92 LA 0.85 ! MK 0.93 NL 1.24 OV 1.01 PT 0.85 ! SC 1.19 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.18 HN 1.66 KP 0.93 ! LA 0.88 MK 0.98 NL 1.11 OV 1.05 ! PT 0.85 SC 1.12 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.07 KP 0.92 LA 0.85 ! MK 0.95 NL 1.25 OV 1.02 PT 0.85 ! SC 1.14 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 10.77 KP 1.00* LA 2.80 ! MK 1.00* NL 1.00* OV 1.06 PT 0.90 ! SC 1.00* ! ! ! Fit before self-cal, rms=0.183970Jy sigma=1.827393 ! Fit after self-cal, rms=0.145236Jy sigma=1.183102 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.339 mas, bmaj=9.615 mas, bpa=-2.841 degrees ! Estimated noise=0.59433 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 = -0.00319546 Jy ! Component: 100 - total flux cleaned = -0.00451806 Jy ! Component: 150 - total flux cleaned = -0.00512373 Jy ! Component: 200 - total flux cleaned = -0.00543699 Jy ! Total flux subtracted in 200 components = -0.00543699 Jy ! Clean residual min=-0.010190 max=0.018520 Jy/beam ! Clean residual mean=-0.000100 rms=0.003739 Jy/beam ! Combined flux in latest and established models = 0.916734 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 180 components and 0.916734 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144855Jy sigma=1.180479 ! Fit after self-cal, rms=0.145135Jy sigma=1.179494 ! 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. ! ! Fit before self-cal, rms=0.145135Jy sigma=1.179494 ! Fit after self-cal, rms=0.142073Jy sigma=1.114665 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.347 mas, bmaj=9.645 mas, bpa=-3.256 degrees ! Estimated noise=0.597805 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00409095 Jy ! Component: 100 - total flux cleaned = 0.00482789 Jy ! Component: 150 - total flux cleaned = 0.00515429 Jy ! Component: 200 - total flux cleaned = 0.00535712 Jy ! Total flux subtracted in 200 components = 0.00535712 Jy ! Clean residual min=-0.008113 max=0.019329 Jy/beam ! Clean residual mean=0.000056 rms=0.003367 Jy/beam ! Combined flux in latest and established models = 0.922092 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 190 components and 0.922091 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141960Jy sigma=1.110802 ! Fit after self-cal, rms=0.142022Jy sigma=1.110495 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-18.5, 28). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0171463 Jy ! Component: 100 - total flux cleaned = 0.0204122 Jy ! Component: 150 - total flux cleaned = 0.0209052 Jy ! Component: 200 - total flux cleaned = 0.0210933 Jy ! Total flux subtracted in 200 components = 0.0210933 Jy ! Clean residual min=-0.008471 max=0.014230 Jy/beam ! Clean residual mean=0.000151 rms=0.002999 Jy/beam ! Combined flux in latest and established models = 0.943185 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 231 components and 0.943185 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139968Jy sigma=1.077677 ! Fit after self-cal, rms=0.139758Jy sigma=1.072993 ! 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. ! ! Fit before self-cal, rms=0.139758Jy sigma=1.072993 ! Fit after self-cal, rms=0.128657Jy sigma=0.909031 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.351 mas, bmaj=9.654 mas, bpa=-3.061 degrees ! Estimated noise=0.596667 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00630344 Jy ! Component: 100 - total flux cleaned = 0.00687857 Jy ! Component: 150 - total flux cleaned = 0.00699601 Jy ! Component: 200 - total flux cleaned = 0.0068895 Jy ! Total flux subtracted in 200 components = 0.0068895 Jy ! Clean residual min=-0.006322 max=0.011225 Jy/beam ! Clean residual mean=-0.000003 rms=0.001606 Jy/beam ! Combined flux in latest and established models = 0.950074 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 253 components and 0.950074 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.128318Jy sigma=0.903360 ! Fit after self-cal, rms=0.128547Jy sigma=0.902424 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (17, -25). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00800546 Jy ! Component: 100 - total flux cleaned = 0.00929518 Jy ! Component: 150 - total flux cleaned = 0.010312 Jy ! Component: 200 - total flux cleaned = 0.0104156 Jy ! Total flux subtracted in 200 components = 0.0104156 Jy ! Clean residual min=-0.006428 max=0.005970 Jy/beam ! Clean residual mean=0.000048 rms=0.001453 Jy/beam ! Combined flux in latest and established models = 0.96049 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 279 components and 0.96049 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127953Jy sigma=0.892908 ! Fit after self-cal, rms=0.127924Jy sigma=0.892095 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.127924Jy sigma=0.892095 ! Fit after self-cal, rms=0.128114Jy sigma=0.886447 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.224 mas, bmaj=28.86 mas, bpa=-1.589 degrees ! Estimated noise=0.700378 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00825471 Jy ! Component: 100 - total flux cleaned = 0.0117301 Jy ! Component: 150 - total flux cleaned = 0.0120538 Jy ! Component: 200 - total flux cleaned = 0.0119705 Jy ! Total flux subtracted in 200 components = 0.0119705 Jy ! Clean residual min=-0.003899 max=0.005766 Jy/beam ! Clean residual mean=0.000044 rms=0.001597 Jy/beam ! Combined flux in latest and established models = 0.97246 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 303 components and 0.97246 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127931Jy sigma=0.881164 ! Fit after self-cal, rms=0.127963Jy sigma=0.880819 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 = 0.000426825 Jy ! Component: 100 - total flux cleaned = 7.72464e-05 Jy ! Component: 150 - total flux cleaned = -4.64268e-05 Jy ! Component: 200 - total flux cleaned = -0.000276163 Jy ! Total flux subtracted in 200 components = -0.000276163 Jy ! Clean residual min=-0.003892 max=0.005305 Jy/beam ! Clean residual mean=0.000047 rms=0.001564 Jy/beam ! Combined flux in latest and established models = 0.972184 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 319 components and 0.972184 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127937Jy sigma=0.880314 ! Fit after self-cal, rms=0.127948Jy sigma=0.880250 ! 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=3.361 mas, bmaj=9.673 mas, bpa=-3.146 degrees ! Estimated noise=0.594258 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.361 x 9.673 at -3.146 degrees (North through East) ! Clean map min=-0.0041551 max=0.22208 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=2.439 mas, bmaj=7.274 mas, bpa=-3.675 degrees ! Estimated noise=0.964675 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.208543 Jy ! Component: 100 - total flux cleaned = 0.336135 Jy ! Component: 150 - total flux cleaned = 0.429911 Jy ! Component: 200 - total flux cleaned = 0.502159 Jy ! Total flux subtracted in 200 components = 0.502159 Jy ! Clean residual min=-0.016693 max=0.043220 Jy/beam ! Clean residual mean=-0.001160 rms=0.006627 Jy/beam ! Combined flux in latest and established models = 0.502159 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 58 model components to the UV plane model. ! The established model now contains 58 components and 0.502159 Jy ! Inverting map and beam ! Estimated beam: bmin=3.361 mas, bmaj=9.673 mas, bpa=-3.146 degrees ! Estimated noise=0.594258 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 = 0.127746 Jy ! Component: 100 - total flux cleaned = 0.211811 Jy ! Component: 150 - total flux cleaned = 0.271282 Jy ! Component: 200 - total flux cleaned = 0.315059 Jy ! Total flux subtracted in 200 components = 0.315059 Jy ! Clean residual min=-0.010812 max=0.026386 Jy/beam ! Clean residual mean=-0.000599 rms=0.005873 Jy/beam ! Combined flux in latest and established models = 0.817218 Jy ! Adding 122 model components to the UV plane model. ! The established model now contains 167 components and 0.817219 Jy ! Inverting map ! Added new window around map position (-3, 6.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0329141 Jy ! Component: 100 - total flux cleaned = 0.0580564 Jy ! Component: 150 - total flux cleaned = 0.077609 Jy ! Component: 200 - total flux cleaned = 0.0929896 Jy ! Total flux subtracted in 200 components = 0.0929896 Jy ! Clean residual min=-0.006229 max=0.009777 Jy/beam ! Clean residual mean=-0.000225 rms=0.002385 Jy/beam ! Combined flux in latest and established models = 0.910208 Jy ! Adding 117 model components to the UV plane model. ! The established model now contains 271 components and 0.910209 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.224 mas, bmaj=28.86 mas, bpa=-1.589 degrees ! Estimated noise=0.700378 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0186923 Jy ! Component: 100 - total flux cleaned = 0.0311928 Jy ! Component: 150 - total flux cleaned = 0.039815 Jy ! Component: 200 - total flux cleaned = 0.0458299 Jy ! Total flux subtracted in 200 components = 0.0458299 Jy ! Clean residual min=-0.004907 max=0.004598 Jy/beam ! Clean residual mean=-0.000068 rms=0.001622 Jy/beam ! Combined flux in latest and established models = 0.956038 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 = 0.00423039 Jy ! Component: 100 - total flux cleaned = 0.00722753 Jy ! Component: 150 - total flux cleaned = 0.00899088 Jy ! Component: 200 - total flux cleaned = 0.00970206 Jy ! Total flux subtracted in 200 components = 0.00970206 Jy ! Clean residual min=-0.004328 max=0.004811 Jy/beam ! Clean residual mean=0.000002 rms=0.001483 Jy/beam ! Combined flux in latest and established models = 0.96574 Jy ! Adding 158 model components to the UV plane model. ! The established model now contains 403 components and 0.96574 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.361 mas, bmaj=9.673 mas, bpa=-3.146 degrees ! Estimated noise=0.594258 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00227571 Jy ! Component: 100 - total flux cleaned = 0.00271425 Jy ! Component: 150 - total flux cleaned = 0.00294259 Jy ! Component: 200 - total flux cleaned = 0.00314633 Jy ! Total flux subtracted in 200 components = 0.00314633 Jy ! Clean residual min=-0.004088 max=0.003952 Jy/beam ! Clean residual mean=0.000015 rms=0.001080 Jy/beam ! Combined flux in latest and established models = 0.968887 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 421 components and 0.968887 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127415Jy sigma=0.873519 ! Fit after self-cal, rms=0.127203Jy sigma=0.872554 wmodel J2257-3627_S_map.mod ! Writing 421 model components to file: J2257-3627_S_map.mod wobs J2257-3627_S_uvs.fits ! Writing UV FITS file: J2257-3627_S_uvs.fits wwins J2257-3627_S_map.win ! wwins: Wrote 8 windows to J2257-3627_S_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 = -2.05198e-05 Jy ! Component: 100 - total flux cleaned = -8.75734e-05 Jy ! Component: 150 - total flux cleaned = -0.000276602 Jy ! Component: 200 - total flux cleaned = -0.000458681 Jy ! Component: 250 - total flux cleaned = -0.000577515 Jy ! Component: 300 - total flux cleaned = -0.00080802 Jy ! Component: 350 - total flux cleaned = -0.000864653 Jy ! Component: 400 - total flux cleaned = -0.000811498 Jy ! Component: 450 - total flux cleaned = -0.000972762 Jy ! Component: 500 - total flux cleaned = -0.00107726 Jy ! Component: 550 - total flux cleaned = -0.00112947 Jy ! Component: 600 - total flux cleaned = -0.00148404 Jy ! Component: 650 - total flux cleaned = -0.00163328 Jy ! Component: 700 - total flux cleaned = -0.00177942 Jy ! Component: 750 - total flux cleaned = -0.0018276 Jy ! Component: 800 - total flux cleaned = -0.00201608 Jy ! Component: 850 - total flux cleaned = -0.00206174 Jy ! Component: 900 - total flux cleaned = -0.00201643 Jy ! Component: 950 - total flux cleaned = -0.00237751 Jy ! Component: 1000 - total flux cleaned = -0.00246533 Jy ! Component: 1050 - total flux cleaned = -0.00264023 Jy ! Component: 1100 - total flux cleaned = -0.00289905 Jy ! Component: 1150 - total flux cleaned = -0.00306926 Jy ! Component: 1200 - total flux cleaned = -0.00336405 Jy ! Component: 1250 - total flux cleaned = -0.00357184 Jy ! Component: 1300 - total flux cleaned = -0.00385948 Jy ! Component: 1350 - total flux cleaned = -0.00410293 Jy ! Component: 1400 - total flux cleaned = -0.0043445 Jy ! Component: 1450 - total flux cleaned = -0.00478182 Jy ! Component: 1500 - total flux cleaned = -0.00501742 Jy ! Component: 1550 - total flux cleaned = -0.00532858 Jy ! Component: 1600 - total flux cleaned = -0.00567435 Jy ! Component: 1650 - total flux cleaned = -0.00586476 Jy ! Component: 1700 - total flux cleaned = -0.00616664 Jy ! Component: 1750 - total flux cleaned = -0.00639076 Jy ! Component: 1800 - total flux cleaned = -0.00672396 Jy ! Component: 1850 - total flux cleaned = -0.00705359 Jy ! Component: 1900 - total flux cleaned = -0.007344 Jy ! Component: 1950 - total flux cleaned = -0.00759554 Jy ! Component: 2000 - total flux cleaned = -0.00784464 Jy ! Component: 2050 - total flux cleaned = -0.00812734 Jy ! Component: 2100 - total flux cleaned = -0.00826749 Jy ! Component: 2150 - total flux cleaned = -0.00861468 Jy ! Component: 2200 - total flux cleaned = -0.00875198 Jy ! Component: 2250 - total flux cleaned = -0.00892269 Jy ! Component: 2300 - total flux cleaned = -0.00926097 Jy ! Component: 2350 - total flux cleaned = -0.00936166 Jy ! Component: 2400 - total flux cleaned = -0.00969377 Jy ! Component: 2450 - total flux cleaned = -0.00982556 Jy ! Component: 2500 - total flux cleaned = -0.00989128 Jy ! Component: 2550 - total flux cleaned = -0.0101509 Jy ! Component: 2600 - total flux cleaned = -0.0103441 Jy ! Component: 2650 - total flux cleaned = -0.0105671 Jy ! Component: 2700 - total flux cleaned = -0.010757 Jy ! Component: 2750 - total flux cleaned = -0.010757 Jy ! Component: 2800 - total flux cleaned = -0.0110995 Jy ! Component: 2850 - total flux cleaned = -0.0112232 Jy ! Component: 2900 - total flux cleaned = -0.0113455 Jy ! Component: 2950 - total flux cleaned = -0.0114972 Jy ! Component: 3000 - total flux cleaned = -0.0117088 Jy ! Component: 3050 - total flux cleaned = -0.0117683 Jy ! Component: 3100 - total flux cleaned = -0.0120061 Jy ! Component: 3150 - total flux cleaned = -0.0121536 Jy ! Component: 3200 - total flux cleaned = -0.0123295 Jy ! Component: 3250 - total flux cleaned = -0.0124456 Jy ! Component: 3300 - total flux cleaned = -0.012676 Jy ! Component: 3350 - total flux cleaned = -0.0127333 Jy ! Component: 3400 - total flux cleaned = -0.0129607 Jy ! Component: 3450 - total flux cleaned = -0.01313 Jy ! Component: 3500 - total flux cleaned = -0.0132137 Jy ! Component: 3550 - total flux cleaned = -0.0134642 Jy ! Component: 3600 - total flux cleaned = -0.0135195 Jy ! Component: 3650 - total flux cleaned = -0.0137113 Jy ! Component: 3700 - total flux cleaned = -0.0139566 Jy ! Component: 3750 - total flux cleaned = -0.0140107 Jy ! Component: 3800 - total flux cleaned = -0.0141719 Jy ! Component: 3850 - total flux cleaned = -0.0144123 Jy ! Component: 3900 - total flux cleaned = -0.0145978 Jy ! Component: 3950 - total flux cleaned = -0.0147558 Jy ! Component: 4000 - total flux cleaned = -0.0148602 Jy ! Component: 4050 - total flux cleaned = -0.0149644 Jy ! Total flux subtracted in 4096 components = -0.0151968 Jy ! Clean residual min=-0.001736 max=0.001496 Jy/beam ! Clean residual mean=-0.000013 rms=0.000534 Jy/beam ! Combined flux in latest and established models = 0.95369 Jy keep ! Adding 312 model components to the UV plane model. ! The established model now contains 733 components and 0.95369 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2257-3627_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.361 x 9.673 at -3.146 degrees (North through East) ! Clean map min=-0.0035026 max=0.21572 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2257-3627_S_map.fits wmodel /vlbi/bp222/maps//J2257-3627_S_map.mod ! Writing 733 model components to file: /vlbi/bp222/maps//J2257-3627_S_map.mod wobs /vlbi/bp222/maps//J2257-3627_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2257-3627_S_uvs.fits wwins /vlbi/bp222/maps//J2257-3627_S_map.win ! wwins: Wrote 9 windows to /vlbi/bp222/maps//J2257-3627_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.215716 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000527162 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.733134 0.733134 1.46627 2.93253 5.86507 11.7301 23.4603 46.9206 93.8411 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.215 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 409.202 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2257-3627_S_dfm.log closed on Thu Sep 27 11:43:34 2018