! Started logfile: /vlbi/uf001/uva//J1819-0258_S_dfm.log on Mon Jan 14 04:34:54 2019 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/uf001/uva//J1819-0258_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1819-0258_S_uva.fits ! AN table 1: 116 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.76772 visibilities/baseline/integration-bin. ! Found source: J1819-0258 ! ! 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 9618 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 J1819-0258_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 204 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 204 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 204 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.274194Jy sigma=18.779156 ! Fit after self-cal, rms=0.789846Jy sigma=13.204337 ! 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=2.519 mas, bmaj=6.305 mas, bpa=-2.858 degrees ! Estimated noise=0.707361 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 = 0.268361 Jy ! Component: 100 - total flux cleaned = 0.411119 Jy ! Total flux subtracted in 100 components = 0.411119 Jy ! Clean residual min=-0.063701 max=0.136200 Jy/beam ! Clean residual mean=-0.000283 rms=0.019605 Jy/beam ! Combined flux in latest and established models = 0.411119 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 26 components and 0.411119 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.621017Jy sigma=7.155087 ! Fit after self-cal, rms=0.619382Jy sigma=7.134094 ! Inverting map ! Added new window around map position (16.5, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.133903 Jy ! Component: 100 - total flux cleaned = 0.233475 Jy ! Total flux subtracted in 100 components = 0.233475 Jy ! Clean residual min=-0.060405 max=0.107117 Jy/beam ! Clean residual mean=-0.000239 rms=0.016987 Jy/beam ! Combined flux in latest and established models = 0.644595 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 47 components and 0.644595 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.543215Jy sigma=6.232580 ! Fit after self-cal, rms=0.521174Jy sigma=5.964320 ! Inverting map ! Added new window around map position (19, -3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.140314 Jy ! Component: 100 - total flux cleaned = 0.236232 Jy ! Total flux subtracted in 100 components = 0.236232 Jy ! Clean residual min=-0.046583 max=0.061028 Jy/beam ! Clean residual mean=-0.000205 rms=0.013372 Jy/beam ! Combined flux in latest and established models = 0.880827 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 67 components and 0.880827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.430477Jy sigma=4.810522 ! Fit after self-cal, rms=0.416576Jy sigma=4.602580 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.103678 Jy ! Component: 100 - total flux cleaned = 0.178653 Jy ! Total flux subtracted in 100 components = 0.178653 Jy ! Clean residual min=-0.033240 max=0.054779 Jy/beam ! Clean residual mean=-0.000087 rms=0.009936 Jy/beam ! Combined flux in latest and established models = 1.05948 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 86 components and 1.05948 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.346040Jy sigma=3.750977 ! Fit after self-cal, rms=0.341558Jy sigma=3.679747 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0711295 Jy ! Component: 100 - total flux cleaned = 0.127787 Jy ! Total flux subtracted in 100 components = 0.127787 Jy ! Clean residual min=-0.025940 max=0.053217 Jy/beam ! Clean residual mean=-0.000022 rms=0.008096 Jy/beam ! Combined flux in latest and established models = 1.18727 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 111 components and 1.18727 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.295200Jy sigma=3.150745 ! Fit after self-cal, rms=0.294083Jy sigma=3.132085 ! Inverting map ! Added new window around map position (12.5, -1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0568988 Jy ! Component: 100 - total flux cleaned = 0.103624 Jy ! Total flux subtracted in 100 components = 0.103624 Jy ! Clean residual min=-0.022873 max=0.051743 Jy/beam ! Clean residual mean=0.000007 rms=0.006866 Jy/beam ! Combined flux in latest and established models = 1.29089 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 134 components and 1.29089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.258671Jy sigma=2.721182 ! Fit after self-cal, rms=0.258169Jy sigma=2.713506 ! Inverting map ! Added new window around map position (3.5, -0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0503732 Jy ! Component: 100 - total flux cleaned = 0.0919549 Jy ! Total flux subtracted in 100 components = 0.0919549 Jy ! Clean residual min=-0.019069 max=0.032316 Jy/beam ! Clean residual mean=0.000010 rms=0.005712 Jy/beam ! Combined flux in latest and established models = 1.38285 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 151 components and 1.38285 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.227530Jy sigma=2.359195 ! Fit after self-cal, rms=0.227368Jy sigma=2.356908 ! 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=2.921 mas, bmaj=7.19 mas, bpa=-3.937 degrees ! Estimated noise=0.477719 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 = 0.0666897 Jy ! Component: 100 - total flux cleaned = 0.121608 Jy ! Component: 150 - total flux cleaned = 0.168312 Jy ! Component: 200 - total flux cleaned = 0.208566 Jy ! Total flux subtracted in 200 components = 0.208566 Jy ! Clean residual min=-0.016793 max=0.034698 Jy/beam ! Clean residual mean=0.000011 rms=0.006191 Jy/beam ! Combined flux in latest and established models = 1.59141 Jy ! Performing phase self-cal ! Adding 86 model components to the UV plane model. ! The established model now contains 206 components and 1.59141 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.168783Jy sigma=1.735304 ! Fit after self-cal, rms=0.168503Jy sigma=1.731159 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.921 x 7.19 at -3.937 degrees (North through East) ! Clean map min=-0.016509 max=0.37982 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 84 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 HN 1.05 KP 0.97 LA 0.89 ! MK 1.27 NL 1.03 OV 0.93 PT 0.90 ! SC 1.19 ! ! ! Correcting IF 2. ! A total of 84 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 HN 1.03 KP 0.95 LA 0.91 ! MK 1.22 NL 1.04 OV 0.93 PT 0.90 ! SC 1.14 ! ! ! Correcting IF 3. ! A total of 84 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.82 HN 1.03 KP 0.96 LA 0.90 ! MK 1.24 NL 1.02 OV 0.94 PT 0.92 ! SC 1.14 ! ! ! Fit before self-cal, rms=0.168503Jy sigma=1.731159 ! Fit after self-cal, rms=0.099417Jy sigma=1.289476 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.104 mas, bmaj=7.425 mas, bpa=-3.421 degrees ! Estimated noise=0.491453 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 (-1.5, -10.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.014533 Jy ! Component: 100 - total flux cleaned = 0.0253194 Jy ! Component: 150 - total flux cleaned = 0.0329722 Jy ! Component: 200 - total flux cleaned = 0.0383979 Jy ! Total flux subtracted in 200 components = 0.0383979 Jy ! Clean residual min=-0.007178 max=0.010952 Jy/beam ! Clean residual mean=-0.000010 rms=0.002008 Jy/beam ! Combined flux in latest and established models = 1.62981 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 232 components and 1.62981 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.095894Jy sigma=1.233676 ! Fit after self-cal, rms=0.095790Jy sigma=1.232250 ! Inverting map ! Added new window around map position (19, 8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00859527 Jy ! Component: 100 - total flux cleaned = 0.012864 Jy ! Component: 150 - total flux cleaned = 0.0148004 Jy ! Component: 200 - total flux cleaned = 0.0168933 Jy ! Total flux subtracted in 200 components = 0.0168933 Jy ! Clean residual min=-0.006974 max=0.006852 Jy/beam ! Clean residual mean=-0.000009 rms=0.001759 Jy/beam ! Combined flux in latest and established models = 1.6467 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 257 components and 1.6467 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.094442Jy sigma=1.209165 ! Fit after self-cal, rms=0.094396Jy sigma=1.208660 ! 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=0.094396Jy sigma=1.208660 ! Fit after self-cal, rms=0.080563Jy sigma=1.118786 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.072 mas, bmaj=7.432 mas, bpa=-3.819 degrees ! Estimated noise=0.487591 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00724219 Jy ! Component: 100 - total flux cleaned = 0.0118252 Jy ! Component: 150 - total flux cleaned = 0.0141282 Jy ! Component: 200 - total flux cleaned = 0.0156699 Jy ! Total flux subtracted in 200 components = 0.0156699 Jy ! Clean residual min=-0.004289 max=0.004438 Jy/beam ! Clean residual mean=-0.000001 rms=0.001087 Jy/beam ! Combined flux in latest and established models = 1.66237 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 286 components and 1.66237 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.079438Jy sigma=1.104797 ! Fit after self-cal, rms=0.079424Jy sigma=1.104543 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 = 0.00115511 Jy ! Component: 100 - total flux cleaned = 0.00194398 Jy ! Component: 150 - total flux cleaned = 0.00256538 Jy ! Component: 200 - total flux cleaned = 0.00313876 Jy ! Total flux subtracted in 200 components = 0.00313876 Jy ! Clean residual min=-0.004085 max=0.004026 Jy/beam ! Clean residual mean=-0.000001 rms=0.001027 Jy/beam ! Combined flux in latest and established models = 1.66551 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 306 components and 1.66551 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.079102Jy sigma=1.100729 ! Fit after self-cal, rms=0.079099Jy sigma=1.100686 ! 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=0.079099Jy sigma=1.100686 ! Fit after self-cal, rms=0.075107Jy sigma=1.084429 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.064 mas, bmaj=7.435 mas, bpa=-4.048 degrees ! Estimated noise=0.48523 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00412283 Jy ! Component: 100 - total flux cleaned = 0.00656187 Jy ! Component: 150 - total flux cleaned = 0.00755051 Jy ! Component: 200 - total flux cleaned = 0.00826378 Jy ! Total flux subtracted in 200 components = 0.00826378 Jy ! Clean residual min=-0.003341 max=0.003769 Jy/beam ! Clean residual mean=-0.000001 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 1.67378 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 317 components and 1.67378 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.074723Jy sigma=1.079597 ! Fit after self-cal, rms=0.074717Jy sigma=1.079550 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 (7.5, -0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00271196 Jy ! Component: 100 - total flux cleaned = 0.00296452 Jy ! Component: 150 - total flux cleaned = 0.00318585 Jy ! Component: 200 - total flux cleaned = 0.00298213 Jy ! Total flux subtracted in 200 components = 0.00298213 Jy ! Clean residual min=-0.003166 max=0.002920 Jy/beam ! Clean residual mean=-0.000001 rms=0.000732 Jy/beam ! Combined flux in latest and established models = 1.67676 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 338 components and 1.67676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.074497Jy sigma=1.076667 ! Fit after self-cal, rms=0.074496Jy sigma=1.076625 ! 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=0.074496Jy sigma=1.076625 ! Fit after self-cal, rms=0.074305Jy sigma=1.075428 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.595 mas, bmaj=12.28 mas, bpa=-2.792 degrees ! Estimated noise=0.674259 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00278146 Jy ! Component: 100 - total flux cleaned = 0.0022967 Jy ! Component: 150 - total flux cleaned = 0.00229969 Jy ! Component: 200 - total flux cleaned = 0.00230202 Jy ! Total flux subtracted in 200 components = 0.00230202 Jy ! Clean residual min=-0.002590 max=0.003033 Jy/beam ! Clean residual mean=0.000000 rms=0.000825 Jy/beam ! Combined flux in latest and established models = 1.67906 Jy selfcal ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 377 components and 1.67906 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.074159Jy sigma=1.073871 ! Fit after self-cal, rms=0.074157Jy sigma=1.073819 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 = 0.000202676 Jy ! Component: 100 - total flux cleaned = 0.000158498 Jy ! Component: 150 - total flux cleaned = 0.000116098 Jy ! Component: 200 - total flux cleaned = -3.88608e-05 Jy ! Total flux subtracted in 200 components = -3.88608e-05 Jy ! Clean residual min=-0.002552 max=0.003077 Jy/beam ! Clean residual mean=0.000001 rms=0.000799 Jy/beam ! Combined flux in latest and established models = 1.67902 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 397 components and 1.67902 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.074133Jy sigma=1.073621 ! Fit after self-cal, rms=0.074133Jy sigma=1.073606 ! 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=3.063 mas, bmaj=7.435 mas, bpa=-4.114 degrees ! Estimated noise=0.485214 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.063 x 7.435 at -4.114 degrees (North through East) ! Clean map min=-0.0037799 max=0.37432 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=2.62 mas, bmaj=6.458 mas, bpa=-2.572 degrees ! Estimated noise=0.744707 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.291451 Jy ! Component: 100 - total flux cleaned = 0.485034 Jy ! Component: 150 - total flux cleaned = 0.638112 Jy ! Component: 200 - total flux cleaned = 0.762332 Jy ! Total flux subtracted in 200 components = 0.762332 Jy ! Clean residual min=-0.038410 max=0.074702 Jy/beam ! Clean residual mean=0.000043 rms=0.012695 Jy/beam ! Combined flux in latest and established models = 0.762332 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 32 model components to the UV plane model. ! The established model now contains 32 components and 0.762332 Jy ! Inverting map and beam ! Estimated beam: bmin=3.063 mas, bmaj=7.435 mas, bpa=-4.114 degrees ! Estimated noise=0.485214 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 = 0.166971 Jy ! Component: 100 - total flux cleaned = 0.294378 Jy ! Component: 150 - total flux cleaned = 0.394355 Jy ! Component: 200 - total flux cleaned = 0.474326 Jy ! Total flux subtracted in 200 components = 0.474326 Jy ! Clean residual min=-0.023518 max=0.051713 Jy/beam ! Clean residual mean=0.000030 rms=0.009538 Jy/beam ! Combined flux in latest and established models = 1.23666 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 72 components and 1.23666 Jy ! Inverting map ! Added new window around map position (-24.5, 47.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0652602 Jy ! Component: 100 - total flux cleaned = 0.118753 Jy ! Component: 150 - total flux cleaned = 0.163272 Jy ! Component: 200 - total flux cleaned = 0.200604 Jy ! Total flux subtracted in 200 components = 0.200604 Jy ! Clean residual min=-0.012989 max=0.023333 Jy/beam ! Clean residual mean=0.000016 rms=0.005052 Jy/beam ! Combined flux in latest and established models = 1.43726 Jy ! Adding 69 model components to the UV plane model. ! The established model now contains 130 components and 1.43726 Jy ! Inverting map ! Added new window around map position (42, -49.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0316521 Jy ! Component: 100 - total flux cleaned = 0.0586674 Jy ! Component: 150 - total flux cleaned = 0.0818465 Jy ! Component: 200 - total flux cleaned = 0.101833 Jy ! Total flux subtracted in 200 components = 0.101833 Jy ! Clean residual min=-0.008259 max=0.012480 Jy/beam ! Clean residual mean=0.000008 rms=0.002984 Jy/beam ! Combined flux in latest and established models = 1.5391 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 174 components and 1.5391 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=6.595 mas, bmaj=12.28 mas, bpa=-2.792 degrees ! Estimated noise=0.674259 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0346729 Jy ! Component: 100 - total flux cleaned = 0.05928 Jy ! Component: 150 - total flux cleaned = 0.0778644 Jy ! Component: 200 - total flux cleaned = 0.0922435 Jy ! Total flux subtracted in 200 components = 0.0922435 Jy ! Clean residual min=-0.006846 max=0.008514 Jy/beam ! Clean residual mean=0.000006 rms=0.002513 Jy/beam ! Combined flux in latest and established models = 1.63134 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 = 0.0113276 Jy ! Component: 100 - total flux cleaned = 0.0203883 Jy ! Component: 150 - total flux cleaned = 0.0276958 Jy ! Component: 200 - total flux cleaned = 0.0325048 Jy ! Total flux subtracted in 200 components = 0.0325048 Jy ! Clean residual min=-0.004856 max=0.005221 Jy/beam ! Clean residual mean=0.000001 rms=0.001447 Jy/beam ! Combined flux in latest and established models = 1.66384 Jy ! Adding 163 model components to the UV plane model. ! The established model now contains 312 components and 1.66384 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.063 mas, bmaj=7.435 mas, bpa=-4.114 degrees ! Estimated noise=0.485214 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00172095 Jy ! Component: 100 - total flux cleaned = 0.00425446 Jy ! Component: 150 - total flux cleaned = 0.00627659 Jy ! Component: 200 - total flux cleaned = 0.00758597 Jy ! Total flux subtracted in 200 components = 0.00758597 Jy ! Clean residual min=-0.004041 max=0.004181 Jy/beam ! Clean residual mean=-0.000001 rms=0.000956 Jy/beam ! Combined flux in latest and established models = 1.67143 Jy selfcal ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 352 components and 1.67143 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075279Jy sigma=1.089424 ! Fit after self-cal, rms=0.075177Jy sigma=1.087990 wmodel J1819-0258_S_map.mod ! Writing 352 model components to file: J1819-0258_S_map.mod wobs J1819-0258_S_uvs.fits ! Writing UV FITS file: J1819-0258_S_uvs.fits wwins J1819-0258_S_map.win ! wwins: Wrote 10 windows to J1819-0258_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 = -0.00098252 Jy ! Component: 100 - total flux cleaned = -0.00139076 Jy ! Component: 150 - total flux cleaned = -0.00132697 Jy ! Component: 200 - total flux cleaned = -0.00157189 Jy ! Component: 250 - total flux cleaned = -0.0019234 Jy ! Component: 300 - total flux cleaned = -0.00237836 Jy ! Component: 350 - total flux cleaned = -0.00270811 Jy ! Component: 400 - total flux cleaned = -0.00307975 Jy ! Component: 450 - total flux cleaned = -0.0032339 Jy ! Component: 500 - total flux cleaned = -0.00358498 Jy ! Component: 550 - total flux cleaned = -0.00387771 Jy ! Component: 600 - total flux cleaned = -0.00416265 Jy ! Component: 650 - total flux cleaned = -0.00443949 Jy ! Component: 700 - total flux cleaned = -0.00461921 Jy ! Component: 750 - total flux cleaned = -0.00497041 Jy ! Component: 800 - total flux cleaned = -0.00514144 Jy ! Component: 850 - total flux cleaned = -0.00539347 Jy ! Component: 900 - total flux cleaned = -0.00572297 Jy ! Component: 950 - total flux cleaned = -0.00584395 Jy ! Component: 1000 - total flux cleaned = -0.00612098 Jy ! Component: 1050 - total flux cleaned = -0.0063526 Jy ! Component: 1100 - total flux cleaned = -0.00654129 Jy ! Component: 1150 - total flux cleaned = -0.00668977 Jy ! Component: 1200 - total flux cleaned = -0.00672641 Jy ! Component: 1250 - total flux cleaned = -0.00690638 Jy ! Component: 1300 - total flux cleaned = -0.00701139 Jy ! Component: 1350 - total flux cleaned = -0.00715 Jy ! Component: 1400 - total flux cleaned = -0.00738707 Jy ! Component: 1450 - total flux cleaned = -0.00745372 Jy ! Component: 1500 - total flux cleaned = -0.00755202 Jy ! Component: 1550 - total flux cleaned = -0.00764923 Jy ! Component: 1600 - total flux cleaned = -0.00761749 Jy ! Component: 1650 - total flux cleaned = -0.00774382 Jy ! Component: 1700 - total flux cleaned = -0.0077436 Jy ! Component: 1750 - total flux cleaned = -0.00783546 Jy ! Component: 1800 - total flux cleaned = -0.00786519 Jy ! Component: 1850 - total flux cleaned = -0.00795472 Jy ! Component: 1900 - total flux cleaned = -0.00798404 Jy ! Component: 1950 - total flux cleaned = -0.00809904 Jy ! Component: 2000 - total flux cleaned = -0.00809849 Jy ! Component: 2050 - total flux cleaned = -0.00807029 Jy ! Component: 2100 - total flux cleaned = -0.00809796 Jy ! Component: 2150 - total flux cleaned = -0.00815258 Jy ! Component: 2200 - total flux cleaned = -0.00815242 Jy ! Component: 2250 - total flux cleaned = -0.00804605 Jy ! Component: 2300 - total flux cleaned = -0.00804627 Jy ! Component: 2350 - total flux cleaned = -0.00802013 Jy ! Component: 2400 - total flux cleaned = -0.0080203 Jy ! Component: 2450 - total flux cleaned = -0.00804588 Jy ! Component: 2500 - total flux cleaned = -0.00802091 Jy ! Component: 2550 - total flux cleaned = -0.00807048 Jy ! Component: 2600 - total flux cleaned = -0.00809472 Jy ! Component: 2650 - total flux cleaned = -0.00811868 Jy ! Component: 2700 - total flux cleaned = -0.00819042 Jy ! Component: 2750 - total flux cleaned = -0.00826101 Jy ! Component: 2800 - total flux cleaned = -0.00826101 Jy ! Component: 2850 - total flux cleaned = -0.00830705 Jy ! Component: 2900 - total flux cleaned = -0.00830709 Jy ! Component: 2950 - total flux cleaned = -0.00839761 Jy ! Component: 3000 - total flux cleaned = -0.00833069 Jy ! Component: 3050 - total flux cleaned = -0.00841869 Jy ! Component: 3100 - total flux cleaned = -0.00844079 Jy ! Component: 3150 - total flux cleaned = -0.00850611 Jy ! Component: 3200 - total flux cleaned = -0.00848416 Jy ! Component: 3250 - total flux cleaned = -0.00856848 Jy ! Component: 3300 - total flux cleaned = -0.00858931 Jy ! Component: 3350 - total flux cleaned = -0.00863043 Jy ! Component: 3400 - total flux cleaned = -0.00865083 Jy ! Component: 3450 - total flux cleaned = -0.00865117 Jy ! Component: 3500 - total flux cleaned = -0.00865167 Jy ! Component: 3550 - total flux cleaned = -0.00871134 Jy ! Component: 3600 - total flux cleaned = -0.00871128 Jy ! Component: 3650 - total flux cleaned = -0.00876938 Jy ! Component: 3700 - total flux cleaned = -0.00869262 Jy ! Component: 3750 - total flux cleaned = -0.0086736 Jy ! Component: 3800 - total flux cleaned = -0.00863582 Jy ! Component: 3850 - total flux cleaned = -0.00861711 Jy ! Component: 3900 - total flux cleaned = -0.0086357 Jy ! Component: 3950 - total flux cleaned = -0.00858078 Jy ! Component: 4000 - total flux cleaned = -0.00854415 Jy ! Component: 4050 - total flux cleaned = -0.00856227 Jy ! Total flux subtracted in 4096 components = -0.00850849 Jy ! Clean residual min=-0.001014 max=0.001008 Jy/beam ! Clean residual mean=-0.000000 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 1.66292 Jy keep ! Adding 311 model components to the UV plane model. ! The established model now contains 660 components and 1.66292 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1819-0258_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.063 x 7.435 at -4.114 degrees (North through East) ! Clean map min=-0.0025444 max=0.38143 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1819-0258_S_map.fits wmodel /vlbi/uf001/uva//J1819-0258_S_map.mod ! Writing 660 model components to file: /vlbi/uf001/uva//J1819-0258_S_map.mod wobs /vlbi/uf001/uva//J1819-0258_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1819-0258_S_uvs.fits wwins /vlbi/uf001/uva//J1819-0258_S_map.win ! wwins: Wrote 11 windows to /vlbi/uf001/uva//J1819-0258_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.381435 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000330835 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.260203 0.260203 0.520406 1.04081 2.08162 4.16325 8.3265 16.653 33.306 66.612 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.381 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1152.94 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1819-0258_S_dfm.log closed on Mon Jan 14 04:35:00 2019