! Started logfile: /image_prod/ug002_uva//J2341+0018_S_dfm.log on Thu Mar 5 06:23:03 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//J2341+0018_S_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2341+0018_S_uva.fits ! AN table 1: 75 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.994963 visibilities/baseline/integration-bin. ! Found source: J2341+0018 ! ! 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 10074 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 J2341+0018_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. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=1.033653Jy sigma=8.155292 ! Fit after self-cal, rms=0.828901Jy sigma=6.461821 ! 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=2.801 mas, bmaj=7.249 mas, bpa=-4.754 degrees ! Estimated noise=1.22414 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 = 0.128531 Jy ! Component: 100 - total flux cleaned = 0.178384 Jy ! Total flux subtracted in 100 components = 0.178384 Jy ! Clean residual min=-0.014176 max=0.040340 Jy/beam ! Clean residual mean=0.000036 rms=0.004085 Jy/beam ! Combined flux in latest and established models = 0.178384 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 0.178384 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.098323Jy sigma=0.772781 ! Fit after self-cal, rms=0.098174Jy sigma=0.771636 ! Inverting map ! Added new window around map position (5, 3.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.037237 Jy ! Component: 100 - total flux cleaned = 0.0598802 Jy ! Total flux subtracted in 100 components = 0.0598802 Jy ! Clean residual min=-0.009737 max=0.016499 Jy/beam ! Clean residual mean=0.000012 rms=0.002679 Jy/beam ! Combined flux in latest and established models = 0.238264 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 53 components and 0.238264 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.080275Jy sigma=0.603008 ! Fit after self-cal, rms=0.079142Jy sigma=0.595448 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.01878 Jy ! Component: 100 - total flux cleaned = 0.0320004 Jy ! Total flux subtracted in 100 components = 0.0320004 Jy ! Clean residual min=-0.007514 max=0.012747 Jy/beam ! Clean residual mean=0.000000 rms=0.002028 Jy/beam ! Combined flux in latest and established models = 0.270265 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 74 components and 0.270265 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.073388Jy sigma=0.538250 ! Fit after self-cal, rms=0.073064Jy sigma=0.535571 ! Inverting map ! Added new window around map position (11, 16). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0144341 Jy ! Component: 100 - total flux cleaned = 0.023712 Jy ! Total flux subtracted in 100 components = 0.023712 Jy ! Clean residual min=-0.007041 max=0.007480 Jy/beam ! Clean residual mean=-0.000002 rms=0.001607 Jy/beam ! Combined flux in latest and established models = 0.293977 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 103 components and 0.293977 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069585Jy sigma=0.504113 ! Fit after self-cal, rms=0.069128Jy sigma=0.500512 ! 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=3.271 mas, bmaj=8.117 mas, bpa=-4.171 degrees ! Estimated noise=0.918349 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 = 0.011975 Jy ! Component: 100 - total flux cleaned = 0.0203909 Jy ! Component: 150 - total flux cleaned = 0.0267457 Jy ! Component: 200 - total flux cleaned = 0.0316654 Jy ! Total flux subtracted in 200 components = 0.0316654 Jy ! Clean residual min=-0.005684 max=0.006554 Jy/beam ! Clean residual mean=-0.000004 rms=0.001495 Jy/beam ! Combined flux in latest and established models = 0.325642 Jy ! Performing phase self-cal ! Adding 63 model components to the UV plane model. ! The established model now contains 148 components and 0.325642 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066615Jy sigma=0.475864 ! Fit after self-cal, rms=0.066338Jy sigma=0.473176 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.271 x 8.117 at -4.171 degrees (North through East) ! Clean map min=-0.0055962 max=0.16205 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.93 HN 1.00 KP 1.00 ! LA 1.03 MK 1.03 NL 0.98 OV 0.95 ! PT 0.96 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.92 HN 1.01 KP 0.99 ! LA 1.04 MK 0.99 NL 0.97 OV 0.97 ! PT 0.98 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.98 HN 1.00 KP 1.01 ! LA 1.00 MK 0.99 NL 1.06 OV 0.97 ! PT 0.98 SC 1.01 ! ! ! Fit before self-cal, rms=0.066338Jy sigma=0.473176 ! Fit after self-cal, rms=0.065237Jy sigma=0.463802 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.273 mas, bmaj=8.158 mas, bpa=-4.033 degrees ! Estimated noise=0.907751 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 (18, 44.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00694885 Jy ! Component: 100 - total flux cleaned = 0.0109214 Jy ! Component: 150 - total flux cleaned = 0.0139092 Jy ! Component: 200 - total flux cleaned = 0.0161881 Jy ! Total flux subtracted in 200 components = 0.0161881 Jy ! Clean residual min=-0.003544 max=0.004196 Jy/beam ! Clean residual mean=-0.000006 rms=0.000927 Jy/beam ! Combined flux in latest and established models = 0.34183 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 177 components and 0.34183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064471Jy sigma=0.455847 ! Fit after self-cal, rms=0.064455Jy sigma=0.455495 ! 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=0.064455Jy sigma=0.455495 ! Fit after self-cal, rms=0.065768Jy sigma=0.445774 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.275 mas, bmaj=8.162 mas, bpa=-3.9 degrees ! Estimated noise=0.909251 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00228589 Jy ! Component: 100 - total flux cleaned = 0.00373309 Jy ! Component: 150 - total flux cleaned = 0.00462793 Jy ! Component: 200 - total flux cleaned = 0.00512253 Jy ! Total flux subtracted in 200 components = 0.00512253 Jy ! Clean residual min=-0.002790 max=0.003331 Jy/beam ! Clean residual mean=0.000002 rms=0.000653 Jy/beam ! Combined flux in latest and established models = 0.346953 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 195 components and 0.346953 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065610Jy sigma=0.444232 ! Fit after self-cal, rms=0.065611Jy sigma=0.444082 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 (14, 27.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00292627 Jy ! Component: 100 - total flux cleaned = 0.00354037 Jy ! Component: 150 - total flux cleaned = 0.00403067 Jy ! Component: 200 - total flux cleaned = 0.00446032 Jy ! Total flux subtracted in 200 components = 0.00446032 Jy ! Clean residual min=-0.002376 max=0.003102 Jy/beam ! Clean residual mean=0.000002 rms=0.000577 Jy/beam ! Combined flux in latest and established models = 0.351413 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 218 components and 0.351413 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065445Jy sigma=0.442434 ! Fit after self-cal, rms=0.065423Jy sigma=0.442258 ! Inverting map ! Added new window around map position (2, -23). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00254069 Jy ! Component: 100 - total flux cleaned = 0.00356293 Jy ! Component: 150 - total flux cleaned = 0.00442687 Jy ! Component: 200 - total flux cleaned = 0.00506358 Jy ! Total flux subtracted in 200 components = 0.00506358 Jy ! Clean residual min=-0.002091 max=0.002100 Jy/beam ! Clean residual mean=0.000002 rms=0.000492 Jy/beam ! Combined flux in latest and established models = 0.356477 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 238 components and 0.356477 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065235Jy sigma=0.440654 ! Fit after self-cal, rms=0.065221Jy sigma=0.440613 ! Inverting map ! Added new window around map position (1.5, -45.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00127583 Jy ! Component: 100 - total flux cleaned = 0.00202611 Jy ! Component: 150 - total flux cleaned = 0.00259984 Jy ! Component: 200 - total flux cleaned = 0.00303953 Jy ! Total flux subtracted in 200 components = 0.00303953 Jy ! Clean residual min=-0.001881 max=0.002024 Jy/beam ! Clean residual mean=0.000002 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.359516 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 257 components and 0.359516 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065128Jy sigma=0.439861 ! Fit after self-cal, rms=0.065124Jy sigma=0.439840 ! Inverting map ! Added new window around map position (-8.5, -65). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00149479 Jy ! Component: 100 - total flux cleaned = 0.00204025 Jy ! Component: 150 - total flux cleaned = 0.00232871 Jy ! Component: 200 - total flux cleaned = 0.00252201 Jy ! Total flux subtracted in 200 components = 0.00252201 Jy ! Clean residual min=-0.001768 max=0.001852 Jy/beam ! Clean residual mean=0.000002 rms=0.000425 Jy/beam ! Combined flux in latest and established models = 0.362038 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 285 components and 0.362038 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065048Jy sigma=0.439252 ! Fit after self-cal, rms=0.065042Jy sigma=0.439218 ! Inverting map ! Added new window around map position (27, -83). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00150688 Jy ! Component: 100 - total flux cleaned = 0.00208909 Jy ! Component: 150 - total flux cleaned = 0.00239237 Jy ! Component: 200 - total flux cleaned = 0.00253376 Jy ! Total flux subtracted in 200 components = 0.00253376 Jy ! Clean residual min=-0.001788 max=0.001629 Jy/beam ! Clean residual mean=0.000003 rms=0.000398 Jy/beam ! Combined flux in latest and established models = 0.364572 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 309 components and 0.364572 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064982Jy sigma=0.438717 ! Fit after self-cal, rms=0.064979Jy sigma=0.438708 ! 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=0.064979Jy sigma=0.438708 ! Fit after self-cal, rms=0.065202Jy sigma=0.437833 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.276 mas, bmaj=8.163 mas, bpa=-3.918 degrees ! Estimated noise=0.907983 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000551027 Jy ! Component: 100 - total flux cleaned = 0.000824724 Jy ! Component: 150 - total flux cleaned = 0.00095271 Jy ! Component: 200 - total flux cleaned = 0.00110432 Jy ! Total flux subtracted in 200 components = 0.00110432 Jy ! Clean residual min=-0.001499 max=0.001657 Jy/beam ! Clean residual mean=0.000002 rms=0.000351 Jy/beam ! Combined flux in latest and established models = 0.365677 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 327 components and 0.365677 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065168Jy sigma=0.437579 ! Fit after self-cal, rms=0.065166Jy sigma=0.437573 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 (-83.5, 35). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00143249 Jy ! Component: 100 - total flux cleaned = 0.00172886 Jy ! Component: 150 - total flux cleaned = 0.00202846 Jy ! Component: 200 - total flux cleaned = 0.002224 Jy ! Total flux subtracted in 200 components = 0.002224 Jy ! Clean residual min=-0.001390 max=0.001366 Jy/beam ! Clean residual mean=0.000003 rms=0.000332 Jy/beam ! Combined flux in latest and established models = 0.367901 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 345 components and 0.367901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065120Jy sigma=0.437227 ! Fit after self-cal, rms=0.065117Jy sigma=0.437217 ! 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=0.065117Jy sigma=0.437217 ! Fit after self-cal, rms=0.065017Jy sigma=0.437204 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.534 mas, bmaj=12.91 mas, bpa=-4.342 degrees ! Estimated noise=1.11237 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000955554 Jy ! Component: 100 - total flux cleaned = 0.00128067 Jy ! Component: 150 - total flux cleaned = 0.00151725 Jy ! Component: 200 - total flux cleaned = 0.00166858 Jy ! Total flux subtracted in 200 components = 0.00166858 Jy ! Clean residual min=-0.001047 max=0.001269 Jy/beam ! Clean residual mean=0.000005 rms=0.000335 Jy/beam ! Combined flux in latest and established models = 0.369569 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 373 components and 0.369569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065004Jy sigma=0.437117 ! Fit after self-cal, rms=0.065002Jy sigma=0.437109 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 = 0.000386549 Jy ! Component: 100 - total flux cleaned = 0.000467255 Jy ! Component: 150 - total flux cleaned = 0.000505416 Jy ! Component: 200 - total flux cleaned = 0.000559462 Jy ! Total flux subtracted in 200 components = 0.000559462 Jy ! Clean residual min=-0.001017 max=0.001196 Jy/beam ! Clean residual mean=0.000005 rms=0.000320 Jy/beam ! Combined flux in latest and established models = 0.370129 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 389 components and 0.370129 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064993Jy sigma=0.437066 ! Fit after self-cal, rms=0.064993Jy sigma=0.437062 ! 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=3.276 mas, bmaj=8.16 mas, bpa=-3.903 degrees ! Estimated noise=0.907623 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.276 x 8.16 at -3.903 degrees (North through East) ! Clean map min=-0.0015475 max=0.16006 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=2.802 mas, bmaj=7.289 mas, bpa=-4.609 degrees ! Estimated noise=1.21781 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.127988 Jy ! Component: 100 - total flux cleaned = 0.184357 Jy ! Component: 150 - total flux cleaned = 0.218551 Jy ! Component: 200 - total flux cleaned = 0.242648 Jy ! Total flux subtracted in 200 components = 0.242648 Jy ! Clean residual min=-0.008040 max=0.013643 Jy/beam ! Clean residual mean=0.000017 rms=0.002208 Jy/beam ! Combined flux in latest and established models = 0.242648 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 42 model components to the UV plane model. ! The established model now contains 42 components and 0.242648 Jy ! Inverting map and beam ! Estimated beam: bmin=3.276 mas, bmaj=8.16 mas, bpa=-3.903 degrees ! Estimated noise=0.907623 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 = 0.0236616 Jy ! Component: 100 - total flux cleaned = 0.0399418 Jy ! Component: 150 - total flux cleaned = 0.0518848 Jy ! Component: 200 - total flux cleaned = 0.0610749 Jy ! Total flux subtracted in 200 components = 0.0610749 Jy ! Clean residual min=-0.004084 max=0.005760 Jy/beam ! Clean residual mean=0.000009 rms=0.001303 Jy/beam ! Combined flux in latest and established models = 0.303723 Jy ! Adding 94 model components to the UV plane model. ! The established model now contains 124 components and 0.303724 Jy ! Inverting map ! Added new window around map position (-4, -2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00746601 Jy ! Component: 100 - total flux cleaned = 0.0136581 Jy ! Component: 150 - total flux cleaned = 0.018889 Jy ! Component: 200 - total flux cleaned = 0.0233452 Jy ! Total flux subtracted in 200 components = 0.0233452 Jy ! Clean residual min=-0.002879 max=0.003026 Jy/beam ! Clean residual mean=0.000005 rms=0.000816 Jy/beam ! Combined flux in latest and established models = 0.327069 Jy ! Adding 72 model components to the UV plane model. ! The established model now contains 187 components and 0.327069 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=7.534 mas, bmaj=12.91 mas, bpa=-4.342 degrees ! Estimated noise=1.11237 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00664737 Jy ! Component: 100 - total flux cleaned = 0.0114948 Jy ! Component: 150 - total flux cleaned = 0.0153383 Jy ! Component: 200 - total flux cleaned = 0.0185091 Jy ! Total flux subtracted in 200 components = 0.0185091 Jy ! Clean residual min=-0.002431 max=0.002218 Jy/beam ! Clean residual mean=0.000007 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 0.345578 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 = 0.00264463 Jy ! Component: 100 - total flux cleaned = 0.00491484 Jy ! Component: 150 - total flux cleaned = 0.00690101 Jy ! Component: 200 - total flux cleaned = 0.00865219 Jy ! Total flux subtracted in 200 components = 0.00865219 Jy ! Clean residual min=-0.001705 max=0.001764 Jy/beam ! Clean residual mean=0.000006 rms=0.000534 Jy/beam ! Combined flux in latest and established models = 0.35423 Jy ! Adding 177 model components to the UV plane model. ! The established model now contains 343 components and 0.35423 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.276 mas, bmaj=8.16 mas, bpa=-3.903 degrees ! Estimated noise=0.907623 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0013332 Jy ! Component: 100 - total flux cleaned = 0.0026991 Jy ! Component: 150 - total flux cleaned = 0.00378901 Jy ! Component: 200 - total flux cleaned = 0.00496983 Jy ! Total flux subtracted in 200 components = 0.00496983 Jy ! Clean residual min=-0.001914 max=0.001569 Jy/beam ! Clean residual mean=0.000003 rms=0.000404 Jy/beam ! Combined flux in latest and established models = 0.3592 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 378 components and 0.3592 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065172Jy sigma=0.438466 ! Fit after self-cal, rms=0.065133Jy sigma=0.438265 wmodel J2341+0018_S_map.mod ! Writing 378 model components to file: J2341+0018_S_map.mod wobs J2341+0018_S_uvs.fits ! Writing UV FITS file: J2341+0018_S_uvs.fits wwins J2341+0018_S_map.win ! wwins: Wrote 11 windows to J2341+0018_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 = -0.000363506 Jy ! Component: 100 - total flux cleaned = -0.000170486 Jy ! Component: 150 - total flux cleaned = -0.000119502 Jy ! Component: 200 - total flux cleaned = 2.84699e-05 Jy ! Component: 250 - total flux cleaned = 0.000123994 Jy ! Component: 300 - total flux cleaned = 0.000240074 Jy ! Component: 350 - total flux cleaned = 0.000353368 Jy ! Component: 400 - total flux cleaned = 0.000486153 Jy ! Component: 450 - total flux cleaned = 0.000615772 Jy ! Component: 500 - total flux cleaned = 0.000700442 Jy ! Component: 550 - total flux cleaned = 0.00084614 Jy ! Component: 600 - total flux cleaned = 0.000866593 Jy ! Component: 650 - total flux cleaned = 0.000987772 Jy ! Component: 700 - total flux cleaned = 0.00102743 Jy ! Component: 750 - total flux cleaned = 0.00114453 Jy ! Component: 800 - total flux cleaned = 0.00120192 Jy ! Component: 850 - total flux cleaned = 0.00127749 Jy ! Component: 900 - total flux cleaned = 0.00131478 Jy ! Component: 950 - total flux cleaned = 0.00138852 Jy ! Component: 1000 - total flux cleaned = 0.00155208 Jy ! Component: 1050 - total flux cleaned = 0.00162412 Jy ! Component: 1100 - total flux cleaned = 0.00174802 Jy ! Component: 1150 - total flux cleaned = 0.00185295 Jy ! Component: 1200 - total flux cleaned = 0.00195704 Jy ! Component: 1250 - total flux cleaned = 0.00207671 Jy ! Component: 1300 - total flux cleaned = 0.00221169 Jy ! Component: 1350 - total flux cleaned = 0.00227821 Jy ! Component: 1400 - total flux cleaned = 0.00239366 Jy ! Component: 1450 - total flux cleaned = 0.00250733 Jy ! Component: 1500 - total flux cleaned = 0.00252351 Jy ! Component: 1550 - total flux cleaned = 0.00265078 Jy ! Component: 1600 - total flux cleaned = 0.00272963 Jy ! Component: 1650 - total flux cleaned = 0.00280785 Jy ! Component: 1700 - total flux cleaned = 0.00297781 Jy ! Component: 1750 - total flux cleaned = 0.00293191 Jy ! Component: 1800 - total flux cleaned = 0.00306834 Jy ! Component: 1850 - total flux cleaned = 0.00312822 Jy ! Component: 1900 - total flux cleaned = 0.00311315 Jy ! Component: 1950 - total flux cleaned = 0.00318681 Jy ! Component: 2000 - total flux cleaned = 0.00321596 Jy ! Component: 2050 - total flux cleaned = 0.00324515 Jy ! Component: 2100 - total flux cleaned = 0.00330258 Jy ! Component: 2150 - total flux cleaned = 0.00331677 Jy ! Component: 2200 - total flux cleaned = 0.00330251 Jy ! Component: 2250 - total flux cleaned = 0.00330239 Jy ! Component: 2300 - total flux cleaned = 0.00331629 Jy ! Component: 2350 - total flux cleaned = 0.00331626 Jy ! Component: 2400 - total flux cleaned = 0.00330235 Jy ! Component: 2450 - total flux cleaned = 0.00334343 Jy ! Component: 2500 - total flux cleaned = 0.00331645 Jy ! Component: 2550 - total flux cleaned = 0.00332983 Jy ! Component: 2600 - total flux cleaned = 0.00331655 Jy ! Component: 2650 - total flux cleaned = 0.00331675 Jy ! Component: 2700 - total flux cleaned = 0.00333001 Jy ! Component: 2750 - total flux cleaned = 0.00338193 Jy ! Component: 2800 - total flux cleaned = 0.00336886 Jy ! Component: 2850 - total flux cleaned = 0.00338163 Jy ! Component: 2900 - total flux cleaned = 0.00333043 Jy ! Component: 2950 - total flux cleaned = 0.00334317 Jy ! Component: 3000 - total flux cleaned = 0.00335558 Jy ! Component: 3050 - total flux cleaned = 0.00326779 Jy ! Component: 3100 - total flux cleaned = 0.00331761 Jy ! Component: 3150 - total flux cleaned = 0.00329283 Jy ! Component: 3200 - total flux cleaned = 0.00335444 Jy ! Component: 3250 - total flux cleaned = 0.00332994 Jy ! Component: 3300 - total flux cleaned = 0.00334209 Jy ! Component: 3350 - total flux cleaned = 0.00336628 Jy ! Component: 3400 - total flux cleaned = 0.00334235 Jy ! Component: 3450 - total flux cleaned = 0.00333037 Jy ! Component: 3500 - total flux cleaned = 0.00334217 Jy ! Component: 3550 - total flux cleaned = 0.00337747 Jy ! Component: 3600 - total flux cleaned = 0.00338911 Jy ! Component: 3650 - total flux cleaned = 0.00340078 Jy ! Component: 3700 - total flux cleaned = 0.00342392 Jy ! Component: 3750 - total flux cleaned = 0.00341235 Jy ! Component: 3800 - total flux cleaned = 0.00340091 Jy ! Component: 3850 - total flux cleaned = 0.00340083 Jy ! Component: 3900 - total flux cleaned = 0.00338963 Jy ! Component: 3950 - total flux cleaned = 0.00340076 Jy ! Component: 4000 - total flux cleaned = 0.00340092 Jy ! Component: 4050 - total flux cleaned = 0.00340099 Jy ! Total flux subtracted in 4096 components = 0.00338996 Jy ! Clean residual min=-0.000689 max=0.000677 Jy/beam ! Clean residual mean=0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.36259 Jy keep ! Adding 292 model components to the UV plane model. ! The established model now contains 669 components and 0.36259 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2341+0018_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.276 x 8.16 at -3.903 degrees (North through East) ! Clean map min=-0.0015144 max=0.16005 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2341+0018_S_map.fits wmodel /image_prod/ug002_uva//J2341+0018_S_map.mod ! Writing 669 model components to file: /image_prod/ug002_uva//J2341+0018_S_map.mod wobs /image_prod/ug002_uva//J2341+0018_S_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2341+0018_S_uvs.fits wwins /image_prod/ug002_uva//J2341+0018_S_map.win ! wwins: Wrote 12 windows to /image_prod/ug002_uva//J2341+0018_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.160049 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000200635 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.376075 0.376075 0.75215 1.5043 3.0086 6.0172 12.0344 24.0688 48.1376 96.2752 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.16 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 797.713 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2341+0018_S_dfm.log closed on Thu Mar 5 06:23:08 2020