! Started logfile: /image_prod/ug002_uva//J0304+6821_S_dfm.log on Wed Mar 4 19:47:42 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//J0304+6821_S_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J0304+6821_S_uva.fits ! AN table 1: 30 integrations on 36 of 36 possible baselines. ! AN table 2: 30 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.956019 visibilities/baseline/integration-bin. ! Found source: J0304+6821 ! ! 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 44 lines of history. ! ! Reading 6195 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 J0304+6821_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 7 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 7 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 7 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.130030Jy sigma=7.187592 ! Fit after self-cal, rms=0.544217Jy sigma=3.505250 ! 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=2.943 mas, bmaj=3.747 mas, bpa=-3.978 degrees ! Estimated noise=2.11725 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 = 0.355817 Jy ! Component: 100 - total flux cleaned = 0.488248 Jy ! Total flux subtracted in 100 components = 0.488248 Jy ! Clean residual min=-0.028517 max=0.069273 Jy/beam ! Clean residual mean=-0.000140 rms=0.007180 Jy/beam ! Combined flux in latest and established models = 0.488248 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.488248 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.204204Jy sigma=1.104208 ! Fit after self-cal, rms=0.203049Jy sigma=1.098232 ! Inverting map ! Added new window around map position (4, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0761881 Jy ! Component: 100 - total flux cleaned = 0.122469 Jy ! Total flux subtracted in 100 components = 0.122469 Jy ! Clean residual min=-0.019300 max=0.024837 Jy/beam ! Clean residual mean=0.000005 rms=0.004811 Jy/beam ! Combined flux in latest and established models = 0.610717 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 29 components and 0.610717 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.159063Jy sigma=0.772636 ! Fit after self-cal, rms=0.157370Jy sigma=0.761046 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0346348 Jy ! Component: 100 - total flux cleaned = 0.0578792 Jy ! Total flux subtracted in 100 components = 0.0578792 Jy ! Clean residual min=-0.015069 max=0.019401 Jy/beam ! Clean residual mean=0.000072 rms=0.003957 Jy/beam ! Combined flux in latest and established models = 0.668596 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 44 components and 0.668596 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145575Jy sigma=0.671285 ! Fit after self-cal, rms=0.145139Jy sigma=0.668241 ! 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=3.585 mas, bmaj=4.295 mas, bpa=-6.757 degrees ! Estimated noise=1.45179 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 = 0.0242216 Jy ! Component: 100 - total flux cleaned = 0.0389643 Jy ! Component: 150 - total flux cleaned = 0.0483523 Jy ! Component: 200 - total flux cleaned = 0.0545318 Jy ! Total flux subtracted in 200 components = 0.0545318 Jy ! Clean residual min=-0.018295 max=0.018946 Jy/beam ! Clean residual mean=0.000140 rms=0.003889 Jy/beam ! Combined flux in latest and established models = 0.723128 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 69 components and 0.723128 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.139487Jy sigma=0.636756 ! Fit after self-cal, rms=0.139263Jy sigma=0.635276 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.585 x 4.295 at -6.757 degrees (North through East) ! Clean map min=-0.017613 max=0.46669 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.94 HN 0.99 KP 1.09 ! LA 1.03 MK 0.97 NL 0.90 OV 0.91 ! SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 0.93 HN 0.95 KP 1.03 ! LA 1.02 MK 0.90 OV 0.91 PT 1.13 ! SC 1.35 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.99 HN 1.01 KP 1.05 ! LA 1.08 MK 0.99 NL 0.98 OV 0.94 ! SC 0.90 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.89 FD 1.01 HN 0.95 KP 1.02 ! LA 1.07 MK 0.94 OV 0.93 PT 1.05 ! SC 2.50 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 1.02 KP 1.03 ! LA 1.02 MK 1.04 NL 0.99 OV 0.93 ! SC 1.11 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.86 FD 0.99 HN 0.99 KP 1.02 ! LA 1.02 MK 0.97 OV 0.90 PT 1.11 ! SC 1.33 ! ! ! Fit before self-cal, rms=0.139263Jy sigma=0.635276 ! Fit after self-cal, rms=0.120843Jy sigma=0.504896 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.591 mas, bmaj=4.457 mas, bpa=-9.08 degrees ! Estimated noise=1.46641 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 = 0.00717957 Jy ! Component: 100 - total flux cleaned = 0.00667051 Jy ! Component: 150 - total flux cleaned = 0.0070587 Jy ! Component: 200 - total flux cleaned = 0.00721902 Jy ! Total flux subtracted in 200 components = 0.00721902 Jy ! Clean residual min=-0.010488 max=0.011190 Jy/beam ! Clean residual mean=0.000034 rms=0.002308 Jy/beam ! Combined flux in latest and established models = 0.730347 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 80 components and 0.730347 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.120046Jy sigma=0.493540 ! Fit after self-cal, rms=0.119982Jy sigma=0.491831 ! 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=0.119982Jy sigma=0.491831 ! Fit after self-cal, rms=0.099412Jy sigma=0.395306 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.583 mas, bmaj=4.371 mas, bpa=-6.246 degrees ! Estimated noise=1.45749 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00170376 Jy ! Component: 100 - total flux cleaned = 0.0010701 Jy ! Component: 150 - total flux cleaned = 0.000718877 Jy ! Component: 200 - total flux cleaned = 0.000646683 Jy ! Total flux subtracted in 200 components = 0.000646683 Jy ! Clean residual min=-0.004472 max=0.005673 Jy/beam ! Clean residual mean=0.000018 rms=0.001086 Jy/beam ! Combined flux in latest and established models = 0.730994 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 100 components and 0.730994 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.099174Jy sigma=0.393400 ! Fit after self-cal, rms=0.099176Jy sigma=0.393015 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 (44.5, -71). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00546809 Jy ! Component: 100 - total flux cleaned = 0.00883824 Jy ! Component: 150 - total flux cleaned = 0.0106605 Jy ! Component: 200 - total flux cleaned = 0.0114718 Jy ! Total flux subtracted in 200 components = 0.0114718 Jy ! Clean residual min=-0.003849 max=0.004443 Jy/beam ! Clean residual mean=0.000016 rms=0.000959 Jy/beam ! Combined flux in latest and established models = 0.742466 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 124 components and 0.742466 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.098831Jy sigma=0.389301 ! Fit after self-cal, rms=0.098799Jy sigma=0.389062 ! Inverting map ! Added new window around map position (53.5, -72). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00434439 Jy ! Component: 100 - total flux cleaned = 0.00607958 Jy ! Component: 150 - total flux cleaned = 0.00698832 Jy ! Component: 200 - total flux cleaned = 0.00750637 Jy ! Total flux subtracted in 200 components = 0.00750637 Jy ! Clean residual min=-0.003634 max=0.004281 Jy/beam ! Clean residual mean=0.000015 rms=0.000886 Jy/beam ! Combined flux in latest and established models = 0.749972 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 141 components and 0.749972 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.098555Jy sigma=0.386745 ! Fit after self-cal, rms=0.098542Jy sigma=0.386575 ! Inverting map ! Added new window around map position (-81, 69.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00384289 Jy ! Component: 100 - total flux cleaned = 0.00578112 Jy ! Component: 150 - total flux cleaned = 0.00671222 Jy ! Component: 200 - total flux cleaned = 0.00735202 Jy ! Total flux subtracted in 200 components = 0.00735202 Jy ! Clean residual min=-0.003374 max=0.003687 Jy/beam ! Clean residual mean=0.000014 rms=0.000829 Jy/beam ! Combined flux in latest and established models = 0.757324 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 158 components and 0.757324 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.098365Jy sigma=0.384901 ! Fit after self-cal, rms=0.098348Jy sigma=0.384754 ! Inverting map ! Added new window around map position (13.5, -4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00341628 Jy ! Component: 100 - total flux cleaned = 0.00431889 Jy ! Component: 150 - total flux cleaned = 0.00481536 Jy ! Component: 200 - total flux cleaned = 0.00539374 Jy ! Total flux subtracted in 200 components = 0.00539374 Jy ! Clean residual min=-0.003269 max=0.003456 Jy/beam ! Clean residual mean=0.000018 rms=0.000777 Jy/beam ! Combined flux in latest and established models = 0.762718 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 179 components and 0.762718 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.098165Jy sigma=0.383361 ! Fit after self-cal, rms=0.098154Jy sigma=0.383253 ! Inverting map ! Added new window around map position (31, -21.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00347807 Jy ! Component: 100 - total flux cleaned = 0.00573329 Jy ! Component: 150 - total flux cleaned = 0.00754244 Jy ! Component: 200 - total flux cleaned = 0.0091088 Jy ! Total flux subtracted in 200 components = 0.0091088 Jy ! Clean residual min=-0.002904 max=0.002621 Jy/beam ! Clean residual mean=0.000017 rms=0.000707 Jy/beam ! Combined flux in latest and established models = 0.771827 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 195 components and 0.771827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.097956Jy sigma=0.381719 ! Fit after self-cal, rms=0.097954Jy sigma=0.381664 ! 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=0.097954Jy sigma=0.381664 ! Fit after self-cal, rms=0.098348Jy sigma=0.380065 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.573 mas, bmaj=4.376 mas, bpa=-6.508 degrees ! Estimated noise=1.45518 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00192389 Jy ! Component: 100 - total flux cleaned = 0.00287619 Jy ! Component: 150 - total flux cleaned = 0.00348646 Jy ! Component: 200 - total flux cleaned = 0.00404786 Jy ! Total flux subtracted in 200 components = 0.00404786 Jy ! Clean residual min=-0.002462 max=0.002602 Jy/beam ! Clean residual mean=0.000020 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 0.775875 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 215 components and 0.775875 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.098252Jy sigma=0.379306 ! Fit after self-cal, rms=0.098256Jy sigma=0.379263 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 = 0.000734946 Jy ! Component: 100 - total flux cleaned = 0.001217 Jy ! Component: 150 - total flux cleaned = 0.0016668 Jy ! Component: 200 - total flux cleaned = 0.00195011 Jy ! Total flux subtracted in 200 components = 0.00195011 Jy ! Clean residual min=-0.002399 max=0.002606 Jy/beam ! Clean residual mean=0.000021 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.777825 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 222 components and 0.777825 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.098196Jy sigma=0.378808 ! Fit after self-cal, rms=0.098199Jy sigma=0.378788 ! 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=0.098199Jy sigma=0.378788 ! Fit after self-cal, rms=0.098488Jy sigma=0.378708 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.981 mas, bmaj=8.497 mas, bpa=-8.649 degrees ! Estimated noise=1.96435 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00211427 Jy ! Component: 100 - total flux cleaned = 0.00316452 Jy ! Component: 150 - total flux cleaned = 0.00402615 Jy ! Component: 200 - total flux cleaned = 0.00472581 Jy ! Total flux subtracted in 200 components = 0.00472581 Jy ! Clean residual min=-0.003171 max=0.003299 Jy/beam ! Clean residual mean=0.000052 rms=0.000851 Jy/beam ! Combined flux in latest and established models = 0.782551 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 253 components and 0.782551 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.098468Jy sigma=0.378461 ! Fit after self-cal, rms=0.098464Jy sigma=0.378420 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 = 0.0010581 Jy ! Component: 100 - total flux cleaned = 0.00169158 Jy ! Component: 150 - total flux cleaned = 0.00211011 Jy ! Component: 200 - total flux cleaned = 0.00245411 Jy ! Total flux subtracted in 200 components = 0.00245411 Jy ! Clean residual min=-0.003029 max=0.003206 Jy/beam ! Clean residual mean=0.000053 rms=0.000825 Jy/beam ! Combined flux in latest and established models = 0.785005 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 267 components and 0.785005 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.098454Jy sigma=0.378366 ! Fit after self-cal, rms=0.098453Jy sigma=0.378354 ! 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=3.57 mas, bmaj=4.376 mas, bpa=-6.536 degrees ! Estimated noise=1.45512 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.57 x 4.376 at -6.536 degrees (North through East) ! Clean map min=-0.0022083 max=0.46608 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=2.926 mas, bmaj=3.817 mas, bpa=-4.188 degrees ! Estimated noise=2.11825 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.356039 Jy ! Component: 100 - total flux cleaned = 0.497685 Jy ! Component: 150 - total flux cleaned = 0.574977 Jy ! Component: 200 - total flux cleaned = 0.622213 Jy ! Total flux subtracted in 200 components = 0.622213 Jy ! Clean residual min=-0.010080 max=0.025240 Jy/beam ! Clean residual mean=-0.000087 rms=0.002849 Jy/beam ! Combined flux in latest and established models = 0.622212 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 0.622212 Jy ! Inverting map and beam ! Estimated beam: bmin=3.57 mas, bmaj=4.376 mas, bpa=-6.536 degrees ! Estimated noise=1.45512 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 = 0.04316 Jy ! Component: 100 - total flux cleaned = 0.0686556 Jy ! Component: 150 - total flux cleaned = 0.0845807 Jy ! Component: 200 - total flux cleaned = 0.0948759 Jy ! Total flux subtracted in 200 components = 0.0948759 Jy ! Clean residual min=-0.004644 max=0.005878 Jy/beam ! Clean residual mean=0.000003 rms=0.001252 Jy/beam ! Combined flux in latest and established models = 0.717088 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 66 components and 0.717088 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00794046 Jy ! Component: 100 - total flux cleaned = 0.0144572 Jy ! Component: 150 - total flux cleaned = 0.0200079 Jy ! Component: 200 - total flux cleaned = 0.0248559 Jy ! Total flux subtracted in 200 components = 0.0248559 Jy ! Clean residual min=-0.003806 max=0.003559 Jy/beam ! Clean residual mean=0.000013 rms=0.000912 Jy/beam ! Combined flux in latest and established models = 0.741944 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 94 components and 0.741944 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=7.981 mas, bmaj=8.497 mas, bpa=-8.649 degrees ! Estimated noise=1.96435 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0072882 Jy ! Component: 100 - total flux cleaned = 0.0127533 Jy ! Component: 150 - total flux cleaned = 0.0171475 Jy ! Component: 200 - total flux cleaned = 0.020851 Jy ! Total flux subtracted in 200 components = 0.020851 Jy ! Clean residual min=-0.003737 max=0.003456 Jy/beam ! Clean residual mean=0.000042 rms=0.001064 Jy/beam ! Combined flux in latest and established models = 0.762795 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 = 0.00315996 Jy ! Component: 100 - total flux cleaned = 0.00587904 Jy ! Component: 150 - total flux cleaned = 0.00823201 Jy ! Component: 200 - total flux cleaned = 0.0102791 Jy ! Total flux subtracted in 200 components = 0.0102791 Jy ! Clean residual min=-0.003295 max=0.003004 Jy/beam ! Clean residual mean=0.000047 rms=0.000905 Jy/beam ! Combined flux in latest and established models = 0.773074 Jy ! Adding 155 model components to the UV plane model. ! The established model now contains 241 components and 0.773074 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.57 mas, bmaj=4.376 mas, bpa=-6.536 degrees ! Estimated noise=1.45512 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00116529 Jy ! Component: 100 - total flux cleaned = 0.00219844 Jy ! Component: 150 - total flux cleaned = 0.00288485 Jy ! Component: 200 - total flux cleaned = 0.00351291 Jy ! Total flux subtracted in 200 components = 0.00351291 Jy ! Clean residual min=-0.002753 max=0.002772 Jy/beam ! Clean residual mean=0.000019 rms=0.000662 Jy/beam ! Combined flux in latest and established models = 0.776587 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 261 components and 0.776587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.098652Jy sigma=0.380990 ! Fit after self-cal, rms=0.098616Jy sigma=0.380350 wmodel J0304+6821_S_map.mod ! Writing 261 model components to file: J0304+6821_S_map.mod wobs J0304+6821_S_uvs.fits ! Writing UV FITS file: J0304+6821_S_uvs.fits wwins J0304+6821_S_map.win ! wwins: Wrote 7 windows to J0304+6821_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 = 9.99075e-05 Jy ! Component: 100 - total flux cleaned = 9.95593e-05 Jy ! Component: 150 - total flux cleaned = 9.96033e-05 Jy ! Component: 200 - total flux cleaned = 0.000185607 Jy ! Component: 250 - total flux cleaned = 0.000311091 Jy ! Component: 300 - total flux cleaned = 0.000352553 Jy ! Component: 350 - total flux cleaned = 0.000634798 Jy ! Component: 400 - total flux cleaned = 0.000791683 Jy ! Component: 450 - total flux cleaned = 0.00090754 Jy ! Component: 500 - total flux cleaned = 0.00102197 Jy ! Component: 550 - total flux cleaned = 0.00131974 Jy ! Component: 600 - total flux cleaned = 0.00150161 Jy ! Component: 650 - total flux cleaned = 0.00175304 Jy ! Component: 700 - total flux cleaned = 0.00189479 Jy ! Component: 750 - total flux cleaned = 0.00200058 Jy ! Component: 800 - total flux cleaned = 0.00220745 Jy ! Component: 850 - total flux cleaned = 0.00230887 Jy ! Component: 900 - total flux cleaned = 0.00247624 Jy ! Component: 950 - total flux cleaned = 0.00250953 Jy ! Component: 1000 - total flux cleaned = 0.00264009 Jy ! Component: 1050 - total flux cleaned = 0.00270521 Jy ! Component: 1100 - total flux cleaned = 0.00289565 Jy ! Component: 1150 - total flux cleaned = 0.00289563 Jy ! Component: 1200 - total flux cleaned = 0.00311329 Jy ! Component: 1250 - total flux cleaned = 0.00323561 Jy ! Component: 1300 - total flux cleaned = 0.0033265 Jy ! Component: 1350 - total flux cleaned = 0.00350676 Jy ! Component: 1400 - total flux cleaned = 0.00365494 Jy ! Component: 1450 - total flux cleaned = 0.0038307 Jy ! Component: 1500 - total flux cleaned = 0.00400396 Jy ! Component: 1550 - total flux cleaned = 0.00406145 Jy ! Component: 1600 - total flux cleaned = 0.00425975 Jy ! Component: 1650 - total flux cleaned = 0.00442803 Jy ! Component: 1700 - total flux cleaned = 0.00451165 Jy ! Component: 1750 - total flux cleaned = 0.00473202 Jy ! Component: 1800 - total flux cleaned = 0.00481397 Jy ! Component: 1850 - total flux cleaned = 0.00497611 Jy ! Component: 1900 - total flux cleaned = 0.00521666 Jy ! Component: 1950 - total flux cleaned = 0.00534869 Jy ! Component: 2000 - total flux cleaned = 0.00550628 Jy ! Component: 2050 - total flux cleaned = 0.00563638 Jy ! Component: 2100 - total flux cleaned = 0.00573939 Jy ! Component: 2150 - total flux cleaned = 0.00581578 Jy ! Component: 2200 - total flux cleaned = 0.00584145 Jy ! Component: 2250 - total flux cleaned = 0.00599201 Jy ! Component: 2300 - total flux cleaned = 0.00606673 Jy ! Component: 2350 - total flux cleaned = 0.00621488 Jy ! Component: 2400 - total flux cleaned = 0.00631232 Jy ! Component: 2450 - total flux cleaned = 0.0064093 Jy ! Component: 2500 - total flux cleaned = 0.00638516 Jy ! Component: 2550 - total flux cleaned = 0.00636149 Jy ! Component: 2600 - total flux cleaned = 0.00652684 Jy ! Component: 2650 - total flux cleaned = 0.0065971 Jy ! Component: 2700 - total flux cleaned = 0.00662043 Jy ! Component: 2750 - total flux cleaned = 0.00666663 Jy ! Component: 2800 - total flux cleaned = 0.00675854 Jy ! Component: 2850 - total flux cleaned = 0.00675836 Jy ! Component: 2900 - total flux cleaned = 0.0067129 Jy ! Component: 2950 - total flux cleaned = 0.00666866 Jy ! Component: 3000 - total flux cleaned = 0.00680211 Jy ! Component: 3050 - total flux cleaned = 0.00680208 Jy ! Component: 3100 - total flux cleaned = 0.00686765 Jy ! Component: 3150 - total flux cleaned = 0.00693283 Jy ! Component: 3200 - total flux cleaned = 0.00697605 Jy ! Component: 3250 - total flux cleaned = 0.00704036 Jy ! Component: 3300 - total flux cleaned = 0.00706206 Jy ! Component: 3350 - total flux cleaned = 0.00708328 Jy ! Component: 3400 - total flux cleaned = 0.00714608 Jy ! Component: 3450 - total flux cleaned = 0.00720849 Jy ! Component: 3500 - total flux cleaned = 0.00724994 Jy ! Component: 3550 - total flux cleaned = 0.0073113 Jy ! Component: 3600 - total flux cleaned = 0.00727039 Jy ! Component: 3650 - total flux cleaned = 0.0072905 Jy ! Component: 3700 - total flux cleaned = 0.0073705 Jy ! Component: 3750 - total flux cleaned = 0.00733065 Jy ! Component: 3800 - total flux cleaned = 0.00733049 Jy ! Component: 3850 - total flux cleaned = 0.00736976 Jy ! Component: 3900 - total flux cleaned = 0.00740884 Jy ! Component: 3950 - total flux cleaned = 0.00737006 Jy ! Component: 4000 - total flux cleaned = 0.00740877 Jy ! Component: 4050 - total flux cleaned = 0.00754279 Jy ! Total flux subtracted in 4096 components = 0.00756197 Jy ! Clean residual min=-0.001206 max=0.001170 Jy/beam ! Clean residual mean=0.000008 rms=0.000332 Jy/beam ! Combined flux in latest and established models = 0.784149 Jy keep ! Adding 302 model components to the UV plane model. ! The established model now contains 563 components and 0.784149 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J0304+6821_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.57 x 4.376 at -6.536 degrees (North through East) ! Clean map min=-0.0019138 max=0.46693 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J0304+6821_S_map.fits wmodel /image_prod/ug002_uva//J0304+6821_S_map.mod ! Writing 563 model components to file: /image_prod/ug002_uva//J0304+6821_S_map.mod wobs /image_prod/ug002_uva//J0304+6821_S_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J0304+6821_S_uvs.fits wwins /image_prod/ug002_uva//J0304+6821_S_map.win ! wwins: Wrote 8 windows to /image_prod/ug002_uva//J0304+6821_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.466925 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000330105 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.212093 0.212093 0.424186 0.848371 1.69674 3.39349 6.78697 13.5739 27.1479 54.2958 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.466 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1414.47 quit ! Quitting program ! Log file /image_prod/ug002_uva//J0304+6821_S_dfm.log closed on Wed Mar 4 19:47:46 2020