! Started logfile: /image_prod/ug002_uva//J0957+5522_S_dfm.log on Wed Mar 4 23:15:56 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//J0957+5522_S_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J0957+5522_S_uva.fits ! AN table 1: 120 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.99537 visibilities/baseline/integration-bin. ! Found source: J0957+5522 ! ! 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 12900 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 J0957+5522_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=1.088595Jy sigma=8.198519 ! Fit after self-cal, rms=0.807287Jy sigma=6.209245 ! 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=3.014 mas, bmaj=3.911 mas, bpa=-0.9885 degrees ! Estimated noise=1.43032 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 = 0.145231 Jy ! Component: 100 - total flux cleaned = 0.226485 Jy ! Total flux subtracted in 100 components = 0.226485 Jy ! Clean residual min=-0.029711 max=0.051162 Jy/beam ! Clean residual mean=-0.000521 rms=0.007725 Jy/beam ! Combined flux in latest and established models = 0.226485 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 42 components and 0.226485 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.296785Jy sigma=1.903658 ! Fit after self-cal, rms=0.296584Jy sigma=1.902243 ! Inverting map ! Added new window around map position (0, -6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0622015 Jy ! Component: 100 - total flux cleaned = 0.110251 Jy ! Total flux subtracted in 100 components = 0.110251 Jy ! Clean residual min=-0.026180 max=0.038100 Jy/beam ! Clean residual mean=-0.000459 rms=0.006668 Jy/beam ! Combined flux in latest and established models = 0.336736 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 82 components and 0.336736 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.262496Jy sigma=1.674106 ! Fit after self-cal, rms=0.262229Jy sigma=1.671483 ! 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=3.683 mas, bmaj=4.731 mas, bpa=1.376 degrees ! Estimated noise=0.840373 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 = 0.0742101 Jy ! Component: 100 - total flux cleaned = 0.126198 Jy ! Component: 150 - total flux cleaned = 0.163765 Jy ! Component: 200 - total flux cleaned = 0.190937 Jy ! Total flux subtracted in 200 components = 0.190937 Jy ! Clean residual min=-0.029380 max=0.066167 Jy/beam ! Clean residual mean=-0.000794 rms=0.011173 Jy/beam ! Combined flux in latest and established models = 0.527673 Jy ! Performing phase self-cal ! Adding 62 model components to the UV plane model. ! The established model now contains 122 components and 0.527673 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.224402Jy sigma=1.489611 ! Fit after self-cal, rms=0.223715Jy sigma=1.484237 ! Inverting map ! Added new window around map position (-6.5, -40.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0744925 Jy ! Component: 100 - total flux cleaned = 0.124148 Jy ! Component: 150 - total flux cleaned = 0.160085 Jy ! Component: 200 - total flux cleaned = 0.188851 Jy ! Total flux subtracted in 200 components = 0.188851 Jy ! Clean residual min=-0.027805 max=0.039560 Jy/beam ! Clean residual mean=-0.000582 rms=0.008677 Jy/beam ! Combined flux in latest and established models = 0.716523 Jy ! Performing phase self-cal ! Adding 99 model components to the UV plane model. ! The established model now contains 217 components and 0.716523 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.184786Jy sigma=1.221011 ! Fit after self-cal, rms=0.179006Jy sigma=1.173419 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.683 x 4.731 at 1.376 degrees (North through East) ! Clean map min=-0.025141 max=0.19628 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.04 HN 1.32 KP 0.93 ! LA 0.86 MK 1.05 OV 1.03 PT 0.77 ! SC 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.04 HN 1.30 KP 1.04 ! LA 0.88 MK 1.03 OV 1.13 PT 0.80 ! SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.32 FD 1.08 HN 1.29 KP 0.97 ! LA 0.85 MK 1.01 OV 1.14 PT 0.83 ! SC 1.07 ! ! ! Fit before self-cal, rms=0.179006Jy sigma=1.173419 ! Fit after self-cal, rms=0.150220Jy sigma=1.079722 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.766 mas, bmaj=4.883 mas, bpa=2.013 degrees ! Estimated noise=0.878594 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 = 0.0339031 Jy ! Component: 100 - total flux cleaned = 0.0552712 Jy ! Component: 150 - total flux cleaned = 0.0695076 Jy ! Component: 200 - total flux cleaned = 0.0775968 Jy ! Total flux subtracted in 200 components = 0.0775968 Jy ! Clean residual min=-0.021361 max=0.031861 Jy/beam ! Clean residual mean=-0.000279 rms=0.006935 Jy/beam ! Combined flux in latest and established models = 0.79412 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 246 components and 0.79412 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.142801Jy sigma=0.989763 ! Fit after self-cal, rms=0.141166Jy sigma=0.976296 ! Inverting map ! Added new window around map position (-15.5, -33.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0375791 Jy ! Component: 100 - total flux cleaned = 0.0601337 Jy ! Component: 150 - total flux cleaned = 0.0748489 Jy ! Component: 200 - total flux cleaned = 0.0855245 Jy ! Total flux subtracted in 200 components = 0.0855245 Jy ! Clean residual min=-0.016944 max=0.028499 Jy/beam ! Clean residual mean=-0.000210 rms=0.005696 Jy/beam ! Combined flux in latest and established models = 0.879644 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 285 components and 0.879644 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.132575Jy sigma=0.858576 ! Fit after self-cal, rms=0.129841Jy sigma=0.843527 ! 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=0.129841Jy sigma=0.843527 ! Fit after self-cal, rms=0.131614Jy sigma=0.773812 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.677 mas, bmaj=4.888 mas, bpa=-1.69 degrees ! Estimated noise=0.868451 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.012214 Jy ! Component: 100 - total flux cleaned = 0.0169198 Jy ! Component: 150 - total flux cleaned = 0.0185838 Jy ! Component: 200 - total flux cleaned = 0.0203361 Jy ! Total flux subtracted in 200 components = 0.0203361 Jy ! Clean residual min=-0.014020 max=0.020565 Jy/beam ! Clean residual mean=-0.000070 rms=0.004684 Jy/beam ! Combined flux in latest and established models = 0.89998 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 302 components and 0.89998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.130326Jy sigma=0.755912 ! Fit after self-cal, rms=0.129976Jy sigma=0.754264 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 (-46, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0189395 Jy ! Component: 100 - total flux cleaned = 0.0231963 Jy ! Component: 150 - total flux cleaned = 0.0276021 Jy ! Component: 200 - total flux cleaned = 0.0309182 Jy ! Total flux subtracted in 200 components = 0.0309182 Jy ! Clean residual min=-0.013287 max=0.019248 Jy/beam ! Clean residual mean=-0.000093 rms=0.004356 Jy/beam ! Combined flux in latest and established models = 0.930899 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 342 components and 0.930898 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.126546Jy sigma=0.722308 ! Fit after self-cal, rms=0.125915Jy sigma=0.719497 ! Inverting map ! Added new window around map position (36.5, -66.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0170004 Jy ! Component: 100 - total flux cleaned = 0.0261648 Jy ! Component: 150 - total flux cleaned = 0.0310887 Jy ! Component: 200 - total flux cleaned = 0.0349331 Jy ! Total flux subtracted in 200 components = 0.0349331 Jy ! Clean residual min=-0.012551 max=0.017823 Jy/beam ! Clean residual mean=-0.000065 rms=0.004038 Jy/beam ! Combined flux in latest and established models = 0.965831 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 390 components and 0.965832 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.122933Jy sigma=0.693884 ! Fit after self-cal, rms=0.122504Jy sigma=0.692414 ! Inverting map ! Added new window around map position (8.5, -30.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0178352 Jy ! Component: 100 - total flux cleaned = 0.0282757 Jy ! Component: 150 - total flux cleaned = 0.0317829 Jy ! Component: 200 - total flux cleaned = 0.0340283 Jy ! Total flux subtracted in 200 components = 0.0340283 Jy ! Clean residual min=-0.012908 max=0.015500 Jy/beam ! Clean residual mean=-0.000021 rms=0.003694 Jy/beam ! Combined flux in latest and established models = 0.99986 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 417 components and 0.99986 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.119607Jy sigma=0.660625 ! Fit after self-cal, rms=0.119061Jy sigma=0.657520 ! 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=0.119061Jy sigma=0.657520 ! Fit after self-cal, rms=0.126681Jy sigma=0.647439 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.718 mas, bmaj=4.903 mas, bpa=-2.646 degrees ! Estimated noise=0.882062 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0110122 Jy ! Component: 100 - total flux cleaned = 0.0134152 Jy ! Component: 150 - total flux cleaned = 0.0150231 Jy ! Component: 200 - total flux cleaned = 0.0157743 Jy ! Total flux subtracted in 200 components = 0.0157743 Jy ! Clean residual min=-0.012666 max=0.015121 Jy/beam ! Clean residual mean=-0.000016 rms=0.003446 Jy/beam ! Combined flux in latest and established models = 1.01563 Jy selfcal ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 438 components and 1.01563 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.125381Jy sigma=0.631323 ! Fit after self-cal, rms=0.125153Jy sigma=0.630234 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 (-21.5, -46). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0152231 Jy ! Component: 100 - total flux cleaned = 0.021175 Jy ! Component: 150 - total flux cleaned = 0.0229926 Jy ! Component: 200 - total flux cleaned = 0.0248409 Jy ! Total flux subtracted in 200 components = 0.0248409 Jy ! Clean residual min=-0.011217 max=0.014441 Jy/beam ! Clean residual mean=0.000025 rms=0.003145 Jy/beam ! Combined flux in latest and established models = 1.04047 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 474 components and 1.04047 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.122973Jy sigma=0.604445 ! Fit after self-cal, rms=0.122636Jy sigma=0.602380 ! Inverting map ! Added new window around map position (4.5, -13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0125149 Jy ! Component: 100 - total flux cleaned = 0.0168548 Jy ! Component: 150 - total flux cleaned = 0.0203215 Jy ! Component: 200 - total flux cleaned = 0.021635 Jy ! Total flux subtracted in 200 components = 0.021635 Jy ! Clean residual min=-0.010197 max=0.013389 Jy/beam ! Clean residual mean=0.000042 rms=0.002907 Jy/beam ! Combined flux in latest and established models = 1.06211 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 508 components and 1.06211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.120519Jy sigma=0.584310 ! Fit after self-cal, rms=0.120249Jy sigma=0.582695 ! Inverting map ! Added new window around map position (-48, -28). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0135615 Jy ! Component: 100 - total flux cleaned = 0.02085 Jy ! Component: 150 - total flux cleaned = 0.0244239 Jy ! Component: 200 - total flux cleaned = 0.0270339 Jy ! Total flux subtracted in 200 components = 0.0270339 Jy ! Clean residual min=-0.009833 max=0.010534 Jy/beam ! Clean residual mean=0.000018 rms=0.002627 Jy/beam ! Combined flux in latest and established models = 1.08914 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 534 components and 1.08914 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.118396Jy sigma=0.562395 ! Fit after self-cal, rms=0.118203Jy sigma=0.561078 ! 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=0.118203Jy sigma=0.561078 ! Fit after self-cal, rms=0.117944Jy sigma=0.554295 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.532 mas, bmaj=9.34 mas, bpa=37.06 degrees ! Estimated noise=1.10508 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0104305 Jy ! Component: 100 - total flux cleaned = 0.017476 Jy ! Component: 150 - total flux cleaned = 0.0229519 Jy ! Component: 200 - total flux cleaned = 0.0270966 Jy ! Total flux subtracted in 200 components = 0.0270966 Jy ! Clean residual min=-0.014088 max=0.012233 Jy/beam ! Clean residual mean=-0.000009 rms=0.003848 Jy/beam ! Combined flux in latest and established models = 1.11624 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 567 components and 1.11624 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.117055Jy sigma=0.543527 ! Fit after self-cal, rms=0.117011Jy sigma=0.542274 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 = 0.00371833 Jy ! Component: 100 - total flux cleaned = 0.0062983 Jy ! Component: 150 - total flux cleaned = 0.00885636 Jy ! Component: 200 - total flux cleaned = 0.0114333 Jy ! Total flux subtracted in 200 components = 0.0114333 Jy ! Clean residual min=-0.013908 max=0.011338 Jy/beam ! Clean residual mean=0.000004 rms=0.003614 Jy/beam ! Combined flux in latest and established models = 1.12767 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 595 components and 1.12767 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.116715Jy sigma=0.538636 ! Fit after self-cal, rms=0.116681Jy sigma=0.538204 ! 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=3.719 mas, bmaj=4.887 mas, bpa=-0.9715 degrees ! Estimated noise=0.876541 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.719 x 4.887 at -0.9715 degrees (North through East) ! Clean map min=-0.018446 max=0.1882 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 mas, bmaj=4.035 mas, bpa=-2.76 degrees ! Estimated noise=1.54198 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.152405 Jy ! Component: 100 - total flux cleaned = 0.235874 Jy ! Component: 150 - total flux cleaned = 0.300065 Jy ! Component: 200 - total flux cleaned = 0.354064 Jy ! Total flux subtracted in 200 components = 0.354064 Jy ! Clean residual min=-0.023796 max=0.033765 Jy/beam ! Clean residual mean=-0.000462 rms=0.006730 Jy/beam ! Combined flux in latest and established models = 0.354064 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 78 model components to the UV plane model. ! The established model now contains 78 components and 0.354064 Jy ! Inverting map and beam ! Estimated beam: bmin=3.719 mas, bmaj=4.887 mas, bpa=-0.9715 degrees ! Estimated noise=0.876541 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 (-12.5, -42). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0847958 Jy ! Component: 100 - total flux cleaned = 0.152014 Jy ! Component: 150 - total flux cleaned = 0.207954 Jy ! Component: 200 - total flux cleaned = 0.256085 Jy ! Total flux subtracted in 200 components = 0.256085 Jy ! Clean residual min=-0.024446 max=0.034150 Jy/beam ! Clean residual mean=-0.000532 rms=0.007726 Jy/beam ! Combined flux in latest and established models = 0.610149 Jy ! Adding 141 model components to the UV plane model. ! The established model now contains 193 components and 0.610149 Jy ! Inverting map ! Added new window around map position (0, -32). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0432188 Jy ! Component: 100 - total flux cleaned = 0.0807598 Jy ! Component: 150 - total flux cleaned = 0.113934 Jy ! Component: 200 - total flux cleaned = 0.143615 Jy ! Total flux subtracted in 200 components = 0.143615 Jy ! Clean residual min=-0.018568 max=0.021552 Jy/beam ! Clean residual mean=-0.000349 rms=0.005523 Jy/beam ! Combined flux in latest and established models = 0.753764 Jy ! Adding 124 model components to the UV plane model. ! The established model now contains 303 components and 0.753764 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=8.532 mas, bmaj=9.34 mas, bpa=37.06 degrees ! Estimated noise=1.10508 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0544797 Jy ! Component: 100 - total flux cleaned = 0.0970814 Jy ! Component: 150 - total flux cleaned = 0.131918 Jy ! Component: 200 - total flux cleaned = 0.160875 Jy ! Total flux subtracted in 200 components = 0.160875 Jy ! Clean residual min=-0.023828 max=0.020852 Jy/beam ! Clean residual mean=-0.000392 rms=0.006855 Jy/beam ! Combined flux in latest and established models = 0.914638 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 = 0.0246458 Jy ! Component: 100 - total flux cleaned = 0.0460444 Jy ! Component: 150 - total flux cleaned = 0.0635865 Jy ! Component: 200 - total flux cleaned = 0.0766995 Jy ! Total flux subtracted in 200 components = 0.0766995 Jy ! Clean residual min=-0.018345 max=0.016930 Jy/beam ! Clean residual mean=-0.000251 rms=0.005252 Jy/beam ! Combined flux in latest and established models = 0.991338 Jy ! Adding 182 model components to the UV plane model. ! The established model now contains 456 components and 0.991338 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.719 mas, bmaj=4.887 mas, bpa=-0.9715 degrees ! Estimated noise=0.876541 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0127799 Jy ! Component: 100 - total flux cleaned = 0.0218457 Jy ! Component: 150 - total flux cleaned = 0.0294006 Jy ! Component: 200 - total flux cleaned = 0.0360997 Jy ! Total flux subtracted in 200 components = 0.0360997 Jy ! Clean residual min=-0.010702 max=0.011825 Jy/beam ! Clean residual mean=-0.000086 rms=0.002723 Jy/beam ! Combined flux in latest and established models = 1.02744 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 495 components and 1.02744 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.119660Jy sigma=0.574407 ! Fit after self-cal, rms=0.118629Jy sigma=0.566002 wmodel J0957+5522_S_map.mod ! Writing 495 model components to file: J0957+5522_S_map.mod wobs J0957+5522_S_uvs.fits ! Writing UV FITS file: J0957+5522_S_uvs.fits wwins J0957+5522_S_map.win ! wwins: Wrote 12 windows to J0957+5522_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 = 0.0022004 Jy ! Component: 100 - total flux cleaned = 0.0034389 Jy ! Component: 150 - total flux cleaned = 0.00427842 Jy ! Component: 200 - total flux cleaned = 0.00459815 Jy ! Component: 250 - total flux cleaned = 0.0050639 Jy ! Component: 300 - total flux cleaned = 0.00596213 Jy ! Component: 350 - total flux cleaned = 0.0065419 Jy ! Component: 400 - total flux cleaned = 0.00682155 Jy ! Component: 450 - total flux cleaned = 0.00682265 Jy ! Component: 500 - total flux cleaned = 0.00682561 Jy ! Component: 550 - total flux cleaned = 0.00695936 Jy ! Component: 600 - total flux cleaned = 0.00721734 Jy ! Component: 650 - total flux cleaned = 0.00709049 Jy ! Component: 700 - total flux cleaned = 0.00696875 Jy ! Component: 750 - total flux cleaned = 0.00733185 Jy ! Component: 800 - total flux cleaned = 0.00745028 Jy ! Component: 850 - total flux cleaned = 0.00745007 Jy ! Component: 900 - total flux cleaned = 0.00745259 Jy ! Component: 950 - total flux cleaned = 0.00767877 Jy ! Component: 1000 - total flux cleaned = 0.00756724 Jy ! Component: 1050 - total flux cleaned = 0.00734906 Jy ! Component: 1100 - total flux cleaned = 0.00735099 Jy ! Component: 1150 - total flux cleaned = 0.00724525 Jy ! Component: 1200 - total flux cleaned = 0.00734938 Jy ! Component: 1250 - total flux cleaned = 0.00734861 Jy ! Component: 1300 - total flux cleaned = 0.0073467 Jy ! Component: 1350 - total flux cleaned = 0.0068469 Jy ! Component: 1400 - total flux cleaned = 0.00645236 Jy ! Component: 1450 - total flux cleaned = 0.0064534 Jy ! Component: 1500 - total flux cleaned = 0.00616609 Jy ! Component: 1550 - total flux cleaned = 0.00616658 Jy ! Component: 1600 - total flux cleaned = 0.00579377 Jy ! Component: 1650 - total flux cleaned = 0.00551669 Jy ! Component: 1700 - total flux cleaned = 0.00524462 Jy ! Component: 1750 - total flux cleaned = 0.00506501 Jy ! Component: 1800 - total flux cleaned = 0.00479959 Jy ! Component: 1850 - total flux cleaned = 0.00462408 Jy ! Component: 1900 - total flux cleaned = 0.00453769 Jy ! Component: 1950 - total flux cleaned = 0.00419326 Jy ! Component: 2000 - total flux cleaned = 0.00385373 Jy ! Component: 2050 - total flux cleaned = 0.00385408 Jy ! Component: 2100 - total flux cleaned = 0.00368825 Jy ! Component: 2150 - total flux cleaned = 0.00344342 Jy ! Component: 2200 - total flux cleaned = 0.00352339 Jy ! Component: 2250 - total flux cleaned = 0.00328347 Jy ! Component: 2300 - total flux cleaned = 0.00312326 Jy ! Component: 2350 - total flux cleaned = 0.00280994 Jy ! Component: 2400 - total flux cleaned = 0.00273279 Jy ! Component: 2450 - total flux cleaned = 0.00273254 Jy ! Component: 2500 - total flux cleaned = 0.00295992 Jy ! Component: 2550 - total flux cleaned = 0.00295809 Jy ! Component: 2600 - total flux cleaned = 0.00280926 Jy ! Component: 2650 - total flux cleaned = 0.00251488 Jy ! Component: 2700 - total flux cleaned = 0.00266078 Jy ! Component: 2750 - total flux cleaned = 0.00258827 Jy ! Component: 2800 - total flux cleaned = 0.0025168 Jy ! Component: 2850 - total flux cleaned = 0.00244562 Jy ! Component: 2900 - total flux cleaned = 0.00237602 Jy ! Component: 2950 - total flux cleaned = 0.00286185 Jy ! Component: 3000 - total flux cleaned = 0.00272343 Jy ! Component: 3050 - total flux cleaned = 0.00279237 Jy ! Component: 3100 - total flux cleaned = 0.00312966 Jy ! Component: 3150 - total flux cleaned = 0.00333095 Jy ! Component: 3200 - total flux cleaned = 0.00326405 Jy ! Component: 3250 - total flux cleaned = 0.00339554 Jy ! Component: 3300 - total flux cleaned = 0.00339627 Jy ! Component: 3350 - total flux cleaned = 0.0035255 Jy ! Component: 3400 - total flux cleaned = 0.00346193 Jy ! Component: 3450 - total flux cleaned = 0.00390661 Jy ! Component: 3500 - total flux cleaned = 0.00365499 Jy ! Component: 3550 - total flux cleaned = 0.00384312 Jy ! Component: 3600 - total flux cleaned = 0.00415296 Jy ! Component: 3650 - total flux cleaned = 0.00396941 Jy ! Component: 3700 - total flux cleaned = 0.00421287 Jy ! Component: 3750 - total flux cleaned = 0.00427337 Jy ! Component: 3800 - total flux cleaned = 0.0043927 Jy ! Component: 3850 - total flux cleaned = 0.00409673 Jy ! Component: 3900 - total flux cleaned = 0.0043312 Jy ! Component: 3950 - total flux cleaned = 0.00415696 Jy ! Component: 4000 - total flux cleaned = 0.00433067 Jy ! Component: 4050 - total flux cleaned = 0.00410116 Jy ! Total flux subtracted in 4096 components = 0.00438562 Jy ! Clean residual min=-0.003135 max=0.002846 Jy/beam ! Clean residual mean=-0.000029 rms=0.001197 Jy/beam ! Combined flux in latest and established models = 1.03182 Jy keep ! Adding 407 model components to the UV plane model. ! The established model now contains 899 components and 1.03182 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J0957+5522_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.719 x 4.887 at -0.9715 degrees (North through East) ! Clean map min=-0.0080904 max=0.20348 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J0957+5522_S_map.fits wmodel /image_prod/ug002_uva//J0957+5522_S_map.mod ! Writing 899 model components to file: /image_prod/ug002_uva//J0957+5522_S_map.mod wobs /image_prod/ug002_uva//J0957+5522_S_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J0957+5522_S_uvs.fits wwins /image_prod/ug002_uva//J0957+5522_S_map.win ! wwins: Wrote 13 windows to /image_prod/ug002_uva//J0957+5522_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.203479 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00118632 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.74906 1.74906 3.49812 6.99624 13.9925 27.9849 55.9699 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0035 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.203 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 171.52 quit ! Quitting program ! Log file /image_prod/ug002_uva//J0957+5522_S_dfm.log closed on Wed Mar 4 23:16:01 2020