! Started logfile: /image_prod/ug002_uva//J2257+5720_S_dfm.log on Thu Mar 5 06:01:03 2020 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 /image_prod/ug002_uva//J2257+5720_S_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2257+5720_S_uva.fits ! AN table 1: 60 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.971759 visibilities/baseline/integration-bin. ! Found source: J2257+5720 ! ! There are 3 IFs, and a total of 3 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 ! ! Polarization(s): RR ! ! Read 40 lines of history. ! ! Reading 6297 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 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+5720_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 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.007433Jy sigma=7.750062 ! Fit after self-cal, rms=0.895158Jy sigma=6.848853 ! 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=3.093 mas, bmaj=4.13 mas, bpa=-11.72 degrees ! Estimated noise=1.86741 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 = 0.0773311 Jy ! Component: 100 - total flux cleaned = 0.105641 Jy ! Total flux subtracted in 100 components = 0.105641 Jy ! Clean residual min=-0.008893 max=0.013653 Jy/beam ! Clean residual mean=-0.000015 rms=0.002670 Jy/beam ! Combined flux in latest and established models = 0.105641 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.105641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.085586Jy sigma=0.590042 ! Fit after self-cal, rms=0.085045Jy sigma=0.585336 ! 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=3.625 mas, bmaj=4.896 mas, bpa=-11.89 degrees ! Estimated noise=1.2066 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 = 0.0226676 Jy ! Component: 100 - total flux cleaned = 0.0353019 Jy ! Component: 150 - total flux cleaned = 0.0432265 Jy ! Component: 200 - total flux cleaned = 0.0482911 Jy ! Total flux subtracted in 200 components = 0.0482911 Jy ! Clean residual min=-0.006106 max=0.010751 Jy/beam ! Clean residual mean=-0.000017 rms=0.001885 Jy/beam ! Combined flux in latest and established models = 0.153932 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 44 components and 0.153932 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.079391Jy sigma=0.524668 ! Fit after self-cal, rms=0.079222Jy sigma=0.524010 ! Inverting map ! Added new window around map position (11, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0110749 Jy ! Component: 100 - total flux cleaned = 0.0173559 Jy ! Component: 150 - total flux cleaned = 0.0214706 Jy ! Component: 200 - total flux cleaned = 0.023886 Jy ! Total flux subtracted in 200 components = 0.023886 Jy ! Clean residual min=-0.005705 max=0.006770 Jy/beam ! Clean residual mean=-0.000005 rms=0.001527 Jy/beam ! Combined flux in latest and established models = 0.177818 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 66 components and 0.177818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.077614Jy sigma=0.509175 ! Fit after self-cal, rms=0.077302Jy sigma=0.506608 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.625 x 4.896 at -11.89 degrees (North through East) ! Clean map min=-0.0053724 max=0.10299 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.99 HN 1.63 KP 0.97 ! LA 1.01 MK 0.98 NL 1.01 OV 0.97 ! SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 1.02 HN 1.46 KP 1.00 ! LA 1.03 MK 1.01 NL 1.01 OV 0.89 ! SC 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.81 FD 1.00 HN 1.58 KP 0.98 ! LA 0.99 MK 0.94 NL 0.89 OV 0.97 ! SC 0.96 ! ! ! Fit before self-cal, rms=0.077302Jy sigma=0.506608 ! Fit after self-cal, rms=0.078978Jy sigma=0.484442 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.685 mas, bmaj=4.966 mas, bpa=-9.394 degrees ! Estimated noise=1.22982 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 = 0.00205837 Jy ! Component: 100 - total flux cleaned = 0.00282008 Jy ! Component: 150 - total flux cleaned = 0.00349157 Jy ! Component: 200 - total flux cleaned = 0.00409827 Jy ! Total flux subtracted in 200 components = 0.00409827 Jy ! Clean residual min=-0.003499 max=0.003609 Jy/beam ! Clean residual mean=-0.000002 rms=0.000852 Jy/beam ! Combined flux in latest and established models = 0.181916 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 86 components and 0.181916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.078685Jy sigma=0.482093 ! Fit after self-cal, rms=0.078780Jy sigma=0.481343 ! 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. ! ! Fit before self-cal, rms=0.078780Jy sigma=0.481343 ! Fit after self-cal, rms=0.081040Jy sigma=0.472566 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.6 mas, bmaj=5.042 mas, bpa=-8.776 degrees ! Estimated noise=1.21643 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000367554 Jy ! Component: 100 - total flux cleaned = 0.000201127 Jy ! Component: 150 - total flux cleaned = 0.00023762 Jy ! Component: 200 - total flux cleaned = 0.000198284 Jy ! Total flux subtracted in 200 components = 0.000198284 Jy ! Clean residual min=-0.002411 max=0.002976 Jy/beam ! Clean residual mean=0.000001 rms=0.000615 Jy/beam ! Combined flux in latest and established models = 0.182114 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 101 components and 0.182114 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.080959Jy sigma=0.472012 ! Fit after self-cal, rms=0.081016Jy sigma=0.471798 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 (21, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00247349 Jy ! Component: 100 - total flux cleaned = 0.00344383 Jy ! Component: 150 - total flux cleaned = 0.00422774 Jy ! Component: 200 - total flux cleaned = 0.00447957 Jy ! Total flux subtracted in 200 components = 0.00447957 Jy ! Clean residual min=-0.002291 max=0.002207 Jy/beam ! Clean residual mean=0.000003 rms=0.000566 Jy/beam ! Combined flux in latest and established models = 0.186594 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 126 components and 0.186594 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.080914Jy sigma=0.470750 ! Fit after self-cal, rms=0.080907Jy sigma=0.470696 ! 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. ! ! Fit before self-cal, rms=0.080907Jy sigma=0.470696 ! Fit after self-cal, rms=0.081358Jy sigma=0.470538 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.599 mas, bmaj=5.067 mas, bpa=-9.024 degrees ! Estimated noise=1.21268 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000219546 Jy ! Component: 100 - total flux cleaned = 0.00051694 Jy ! Component: 150 - total flux cleaned = 0.000595334 Jy ! Component: 200 - total flux cleaned = 0.000666678 Jy ! Total flux subtracted in 200 components = 0.000666678 Jy ! Clean residual min=-0.002126 max=0.002095 Jy/beam ! Clean residual mean=0.000003 rms=0.000537 Jy/beam ! Combined flux in latest and established models = 0.18726 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 137 components and 0.18726 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.081310Jy sigma=0.470177 ! Fit after self-cal, rms=0.081322Jy sigma=0.470150 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 = 0.000121577 Jy ! Component: 100 - total flux cleaned = 0.000283134 Jy ! Component: 150 - total flux cleaned = 0.00031348 Jy ! Component: 200 - total flux cleaned = 0.000428593 Jy ! Total flux subtracted in 200 components = 0.000428593 Jy ! Clean residual min=-0.002119 max=0.002044 Jy/beam ! Clean residual mean=0.000003 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 0.187689 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 145 components and 0.187689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.081295Jy sigma=0.469967 ! Fit after self-cal, rms=0.081296Jy sigma=0.469955 ! 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. ! ! Fit before self-cal, rms=0.081296Jy sigma=0.469955 ! Fit after self-cal, rms=0.081650Jy sigma=0.469889 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.977 mas, bmaj=8.608 mas, bpa=-1.07 degrees ! Estimated noise=1.42443 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000364107 Jy ! Component: 100 - total flux cleaned = 0.000537342 Jy ! Component: 150 - total flux cleaned = 0.000624495 Jy ! Component: 200 - total flux cleaned = 0.00069884 Jy ! Total flux subtracted in 200 components = 0.00069884 Jy ! Clean residual min=-0.002350 max=0.002272 Jy/beam ! Clean residual mean=0.000004 rms=0.000648 Jy/beam ! Combined flux in latest and established models = 0.188388 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 161 components and 0.188388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.081635Jy sigma=0.469782 ! Fit after self-cal, rms=0.081645Jy sigma=0.469765 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 = 0.000198093 Jy ! Component: 100 - total flux cleaned = 0.000333056 Jy ! Component: 150 - total flux cleaned = 0.000377597 Jy ! Component: 200 - total flux cleaned = 0.00041933 Jy ! Total flux subtracted in 200 components = 0.00041933 Jy ! Clean residual min=-0.002344 max=0.002284 Jy/beam ! Clean residual mean=0.000005 rms=0.000642 Jy/beam ! Combined flux in latest and established models = 0.188807 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 167 components and 0.188807 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.081640Jy sigma=0.469742 ! Fit after self-cal, rms=0.081644Jy sigma=0.469736 ! 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=3.598 mas, bmaj=5.088 mas, bpa=-9.316 degrees ! Estimated noise=1.20992 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.598 x 5.088 at -9.316 degrees (North through East) ! Clean map min=-0.0020349 max=0.1025 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=3.045 mas, bmaj=4.28 mas, bpa=-8.953 degrees ! Estimated noise=1.90153 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0788143 Jy ! Component: 100 - total flux cleaned = 0.108642 Jy ! Component: 150 - total flux cleaned = 0.124991 Jy ! Component: 200 - total flux cleaned = 0.136165 Jy ! Total flux subtracted in 200 components = 0.136165 Jy ! Clean residual min=-0.006148 max=0.008877 Jy/beam ! Clean residual mean=-0.000009 rms=0.001520 Jy/beam ! Combined flux in latest and established models = 0.136165 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.136165 Jy ! Inverting map and beam ! Estimated beam: bmin=3.598 mas, bmaj=5.088 mas, bpa=-9.316 degrees ! Estimated noise=1.20992 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (4.5, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116315 Jy ! Component: 100 - total flux cleaned = 0.0189293 Jy ! Component: 150 - total flux cleaned = 0.0241491 Jy ! Component: 200 - total flux cleaned = 0.0282489 Jy ! Total flux subtracted in 200 components = 0.0282489 Jy ! Clean residual min=-0.003046 max=0.003059 Jy/beam ! Clean residual mean=-0.000009 rms=0.000755 Jy/beam ! Combined flux in latest and established models = 0.164414 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 72 components and 0.164414 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=7.977 mas, bmaj=8.608 mas, bpa=-1.07 degrees ! Estimated noise=1.42443 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00555757 Jy ! Component: 100 - total flux cleaned = 0.00931867 Jy ! Component: 150 - total flux cleaned = 0.0121772 Jy ! Component: 200 - total flux cleaned = 0.0144604 Jy ! Total flux subtracted in 200 components = 0.0144604 Jy ! Clean residual min=-0.002555 max=0.002345 Jy/beam ! Clean residual mean=-0.000004 rms=0.000753 Jy/beam ! Combined flux in latest and established models = 0.178874 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 = 0.00185407 Jy ! Component: 100 - total flux cleaned = 0.00337699 Jy ! Component: 150 - total flux cleaned = 0.00449673 Jy ! Component: 200 - total flux cleaned = 0.00527195 Jy ! Total flux subtracted in 200 components = 0.00527195 Jy ! Clean residual min=-0.002322 max=0.002149 Jy/beam ! Clean residual mean=0.000001 rms=0.000664 Jy/beam ! Combined flux in latest and established models = 0.184146 Jy ! Adding 129 model components to the UV plane model. ! The established model now contains 186 components and 0.184146 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.598 mas, bmaj=5.088 mas, bpa=-9.316 degrees ! Estimated noise=1.20992 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000120934 Jy ! Component: 100 - total flux cleaned = 0.000238165 Jy ! Component: 150 - total flux cleaned = 0.000474946 Jy ! Component: 200 - total flux cleaned = 0.000723409 Jy ! Total flux subtracted in 200 components = 0.000723409 Jy ! Clean residual min=-0.001890 max=0.002034 Jy/beam ! Clean residual mean=0.000001 rms=0.000519 Jy/beam ! Combined flux in latest and established models = 0.18487 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 206 components and 0.18487 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.081622Jy sigma=0.469741 ! Fit after self-cal, rms=0.081611Jy sigma=0.469576 wmodel J2257+5720_S_map.mod ! Writing 206 model components to file: J2257+5720_S_map.mod wobs J2257+5720_S_uvs.fits ! Writing UV FITS file: J2257+5720_S_uvs.fits wwins J2257+5720_S_map.win ! wwins: Wrote 4 windows to J2257+5720_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 = 0.000642314 Jy ! Component: 100 - total flux cleaned = 0.00120753 Jy ! Component: 150 - total flux cleaned = 0.00140922 Jy ! Component: 200 - total flux cleaned = 0.00150704 Jy ! Component: 250 - total flux cleaned = 0.00153815 Jy ! Component: 300 - total flux cleaned = 0.00159884 Jy ! Component: 350 - total flux cleaned = 0.00150843 Jy ! Component: 400 - total flux cleaned = 0.00145021 Jy ! Component: 450 - total flux cleaned = 0.00150754 Jy ! Component: 500 - total flux cleaned = 0.00142316 Jy ! Component: 550 - total flux cleaned = 0.00142337 Jy ! Component: 600 - total flux cleaned = 0.00139643 Jy ! Component: 650 - total flux cleaned = 0.00144961 Jy ! Component: 700 - total flux cleaned = 0.00137069 Jy ! Component: 750 - total flux cleaned = 0.00134448 Jy ! Component: 800 - total flux cleaned = 0.00124293 Jy ! Component: 850 - total flux cleaned = 0.00124313 Jy ! Component: 900 - total flux cleaned = 0.00134163 Jy ! Component: 950 - total flux cleaned = 0.00129249 Jy ! Component: 1000 - total flux cleaned = 0.00126831 Jy ! Component: 1050 - total flux cleaned = 0.00131564 Jy ! Component: 1100 - total flux cleaned = 0.00136231 Jy ! Component: 1150 - total flux cleaned = 0.00143153 Jy ! Component: 1200 - total flux cleaned = 0.00147736 Jy ! Component: 1250 - total flux cleaned = 0.001567 Jy ! Component: 1300 - total flux cleaned = 0.00152241 Jy ! Component: 1350 - total flux cleaned = 0.00154451 Jy ! Component: 1400 - total flux cleaned = 0.00167463 Jy ! Component: 1450 - total flux cleaned = 0.00167463 Jy ! Component: 1500 - total flux cleaned = 0.00167491 Jy ! Component: 1550 - total flux cleaned = 0.00169587 Jy ! Component: 1600 - total flux cleaned = 0.00171652 Jy ! Component: 1650 - total flux cleaned = 0.00181897 Jy ! Component: 1700 - total flux cleaned = 0.00187995 Jy ! Component: 1750 - total flux cleaned = 0.00192003 Jy ! Component: 1800 - total flux cleaned = 0.00195995 Jy ! Component: 1850 - total flux cleaned = 0.00192048 Jy ! Component: 1900 - total flux cleaned = 0.00192049 Jy ! Component: 1950 - total flux cleaned = 0.00201696 Jy ! Component: 2000 - total flux cleaned = 0.00205514 Jy ! Component: 2050 - total flux cleaned = 0.00213101 Jy ! Component: 2100 - total flux cleaned = 0.00226234 Jy ! Component: 2150 - total flux cleaned = 0.00220626 Jy ! Component: 2200 - total flux cleaned = 0.002188 Jy ! Component: 2250 - total flux cleaned = 0.00224279 Jy ! Component: 2300 - total flux cleaned = 0.00224294 Jy ! Component: 2350 - total flux cleaned = 0.002189 Jy ! Component: 2400 - total flux cleaned = 0.00226019 Jy ! Component: 2450 - total flux cleaned = 0.00217184 Jy ! Component: 2500 - total flux cleaned = 0.00215458 Jy ! Component: 2550 - total flux cleaned = 0.00217222 Jy ! Component: 2600 - total flux cleaned = 0.00215498 Jy ! Component: 2650 - total flux cleaned = 0.00222362 Jy ! Component: 2700 - total flux cleaned = 0.00230903 Jy ! Component: 2750 - total flux cleaned = 0.00232593 Jy ! Component: 2800 - total flux cleaned = 0.00235952 Jy ! Component: 2850 - total flux cleaned = 0.00235961 Jy ! Component: 2900 - total flux cleaned = 0.00244255 Jy ! Component: 2950 - total flux cleaned = 0.00237666 Jy ! Component: 3000 - total flux cleaned = 0.00245876 Jy ! Component: 3050 - total flux cleaned = 0.00249121 Jy ! Component: 3100 - total flux cleaned = 0.00244252 Jy ! Component: 3150 - total flux cleaned = 0.00252305 Jy ! Component: 3200 - total flux cleaned = 0.00249103 Jy ! Component: 3250 - total flux cleaned = 0.002523 Jy ! Component: 3300 - total flux cleaned = 0.00252284 Jy ! Component: 3350 - total flux cleaned = 0.00249143 Jy ! Component: 3400 - total flux cleaned = 0.00256937 Jy ! Component: 3450 - total flux cleaned = 0.00253816 Jy ! Component: 3500 - total flux cleaned = 0.00258417 Jy ! Component: 3550 - total flux cleaned = 0.00249237 Jy ! Component: 3600 - total flux cleaned = 0.00250762 Jy ! Component: 3650 - total flux cleaned = 0.00250765 Jy ! Component: 3700 - total flux cleaned = 0.00252255 Jy ! Component: 3750 - total flux cleaned = 0.00255257 Jy ! Component: 3800 - total flux cleaned = 0.00249331 Jy ! Component: 3850 - total flux cleaned = 0.00250821 Jy ! Component: 3900 - total flux cleaned = 0.0025376 Jy ! Component: 3950 - total flux cleaned = 0.00252289 Jy ! Component: 4000 - total flux cleaned = 0.00247926 Jy ! Component: 4050 - total flux cleaned = 0.00249382 Jy ! Total flux subtracted in 4096 components = 0.00249369 Jy ! Clean residual min=-0.000956 max=0.000736 Jy/beam ! Clean residual mean=0.000002 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.187363 Jy keep ! Adding 273 model components to the UV plane model. ! The established model now contains 479 components and 0.187363 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2257+5720_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.598 x 5.088 at -9.316 degrees (North through East) ! Clean map min=-0.0015963 max=0.1038 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2257+5720_S_map.fits wmodel /image_prod/ug002_uva//J2257+5720_S_map.mod ! Writing 479 model components to file: /image_prod/ug002_uva//J2257+5720_S_map.mod wobs /image_prod/ug002_uva//J2257+5720_S_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2257+5720_S_uvs.fits wwins /image_prod/ug002_uva//J2257+5720_S_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uva//J2257+5720_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.103802 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000255736 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.739105 0.739105 1.47821 2.95642 5.91284 11.8257 23.6514 47.3027 94.6055 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.103 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 405.896 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2257+5720_S_dfm.log closed on Thu Mar 5 06:01:07 2020