! Started logfile: /vlbi/bp222/maps//J0909+0121_S_dfm.log on Thu Sep 27 10:58:10 2018 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/bp222/maps//J0909+0121_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J0909+0121_S_uvm.fits ! AN table 1: 16 integrations on 45 of 45 possible baselines. ! AN table 2: 30 integrations on 28 of 28 possible baselines. ! AN table 3: 14 integrations on 6 of 6 possible baselines. ! Apparent sampling: 0.94708 visibilities/baseline/integration-bin. ! Found source: J0909+0121 ! ! There are 4 IFs, and a total of 4 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 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 54 lines of history. ! ! Reading 6228 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 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 J0909+0121_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 8 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 160 telescope corrections were flagged in sub-array 1. ! A total of 240 telescope corrections were flagged in sub-array 2. ! A total of 17 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.806715Jy sigma=19.975002 ! Fit after self-cal, rms=0.501408Jy sigma=5.067222 ! 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=2.614 mas, bmaj=7.879 mas, bpa=-7.349 degrees ! Estimated noise=1.22158 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 = 1.05968 Jy ! Component: 100 - total flux cleaned = 1.33743 Jy ! Total flux subtracted in 100 components = 1.33743 Jy ! Clean residual min=-0.054317 max=0.115740 Jy/beam ! Clean residual mean=-0.000015 rms=0.015357 Jy/beam ! Combined flux in latest and established models = 1.33743 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 1.33743 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276343Jy sigma=2.377676 ! Fit after self-cal, rms=0.275777Jy sigma=2.371177 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.120607 Jy ! Component: 100 - total flux cleaned = 0.175138 Jy ! Total flux subtracted in 100 components = 0.175138 Jy ! Clean residual min=-0.037954 max=0.038708 Jy/beam ! Clean residual mean=0.000003 rms=0.009580 Jy/beam ! Combined flux in latest and established models = 1.51257 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 14 components and 1.51257 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210847Jy sigma=1.599198 ! Fit after self-cal, rms=0.210422Jy sigma=1.589864 ! 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=2.912 mas, bmaj=8.892 mas, bpa=-10.43 degrees ! Estimated noise=0.985369 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 = 0.0325796 Jy ! Component: 100 - total flux cleaned = 0.0412469 Jy ! Component: 150 - total flux cleaned = 0.044485 Jy ! Component: 200 - total flux cleaned = 0.0452571 Jy ! Total flux subtracted in 200 components = 0.0452571 Jy ! Clean residual min=-0.031065 max=0.036891 Jy/beam ! Clean residual mean=0.000026 rms=0.007407 Jy/beam ! Combined flux in latest and established models = 1.55783 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 28 components and 1.55783 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201142Jy sigma=1.538135 ! Fit after self-cal, rms=0.200927Jy sigma=1.533561 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.912 x 8.892 at -10.43 degrees (North through East) ! Clean map min=-0.029184 max=1.3722 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 1.00 KP 1.01 ! LA 0.99 MK 0.99 NL 0.97 OV 1.01 ! PT 1.00 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 1.01 HN 0.99 KP 1.02 ! MK 0.96 NL 0.99 OV 1.01 PT 1.04 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 1.02 HN 1.04 MK 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 1.00 KP 1.01 ! LA 1.00 MK 0.99 NL 0.91 OV 1.00 ! PT 1.01 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.01 HN 0.99 KP 1.03 ! MK 0.97 NL 1.05 OV 1.02 PT 1.03 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.81 FD 1.00 HN 1.06 MK 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.99 KP 1.01 ! LA 0.99 MK 0.97 NL 0.93 OV 1.01 ! PT 0.99 SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.01 HN 1.01 KP 1.05 ! MK 0.96 NL 0.95 OV 1.00 PT 1.04 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.91 FD 1.00 HN 1.05 MK 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! MK 0.00* NL 0.00* OV 0.00* PT 0.00* ! ! A total of 39 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* MK 0.00* ! ! ! Fit before self-cal, rms=0.200927Jy sigma=1.533561 ! Fit after self-cal, rms=0.161245Jy sigma=1.087671 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.926 mas, bmaj=8.888 mas, bpa=-10.56 degrees ! Estimated noise=0.983515 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 (17.5, 17.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0283818 Jy ! Component: 100 - total flux cleaned = 0.0439396 Jy ! Component: 150 - total flux cleaned = 0.0518022 Jy ! Component: 200 - total flux cleaned = 0.0570639 Jy ! Total flux subtracted in 200 components = 0.0570639 Jy ! Clean residual min=-0.016445 max=0.014864 Jy/beam ! Clean residual mean=0.000012 rms=0.003599 Jy/beam ! Combined flux in latest and established models = 1.61489 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 56 components and 1.61489 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153557Jy sigma=1.003180 ! Fit after self-cal, rms=0.153269Jy sigma=0.998630 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153269Jy sigma=0.998630 ! Fit after self-cal, rms=0.142585Jy sigma=0.912192 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.924 mas, bmaj=8.877 mas, bpa=-10.5 degrees ! Estimated noise=0.987523 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0112771 Jy ! Component: 100 - total flux cleaned = 0.0156508 Jy ! Component: 150 - total flux cleaned = 0.0199436 Jy ! Component: 200 - total flux cleaned = 0.0236332 Jy ! Total flux subtracted in 200 components = 0.0236332 Jy ! Clean residual min=-0.013840 max=0.010670 Jy/beam ! Clean residual mean=0.000008 rms=0.002894 Jy/beam ! Combined flux in latest and established models = 1.63852 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 81 components and 1.63852 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139197Jy sigma=0.897048 ! Fit after self-cal, rms=0.139136Jy sigma=0.896036 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 = 0.00420063 Jy ! Component: 100 - total flux cleaned = 0.00686595 Jy ! Component: 150 - total flux cleaned = 0.00917369 Jy ! Component: 200 - total flux cleaned = 0.0114963 Jy ! Total flux subtracted in 200 components = 0.0114963 Jy ! Clean residual min=-0.013978 max=0.010537 Jy/beam ! Clean residual mean=0.000006 rms=0.002750 Jy/beam ! Combined flux in latest and established models = 1.65002 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 95 components and 1.65002 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137918Jy sigma=0.893380 ! Fit after self-cal, rms=0.137896Jy sigma=0.892986 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137896Jy sigma=0.892986 ! Fit after self-cal, rms=0.066913Jy sigma=0.652917 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.925 mas, bmaj=8.879 mas, bpa=-10.51 degrees ! Estimated noise=0.986067 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00227249 Jy ! Component: 100 - total flux cleaned = 0.00337149 Jy ! Component: 150 - total flux cleaned = 0.00431377 Jy ! Component: 200 - total flux cleaned = 0.00504056 Jy ! Total flux subtracted in 200 components = 0.00504056 Jy ! Clean residual min=-0.005869 max=0.006621 Jy/beam ! Clean residual mean=0.000003 rms=0.001359 Jy/beam ! Combined flux in latest and established models = 1.65506 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 115 components and 1.65506 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066553Jy sigma=0.648320 ! Fit after self-cal, rms=0.066521Jy sigma=0.648131 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 (41.5, -125.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00571953 Jy ! Component: 100 - total flux cleaned = 0.00726608 Jy ! Component: 150 - total flux cleaned = 0.00786367 Jy ! Component: 200 - total flux cleaned = 0.0084711 Jy ! Total flux subtracted in 200 components = 0.0084711 Jy ! Clean residual min=-0.005338 max=0.005279 Jy/beam ! Clean residual mean=0.000001 rms=0.001195 Jy/beam ! Combined flux in latest and established models = 1.66353 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 133 components and 1.66353 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065904Jy sigma=0.641491 ! Fit after self-cal, rms=0.065887Jy sigma=0.641247 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065887Jy sigma=0.641247 ! Fit after self-cal, rms=0.065760Jy sigma=0.640724 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.09 mas, bmaj=12.69 mas, bpa=-7.914 degrees ! Estimated noise=1.27397 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00319138 Jy ! Component: 100 - total flux cleaned = 0.00409991 Jy ! Component: 150 - total flux cleaned = 0.00435285 Jy ! Component: 200 - total flux cleaned = 0.00442841 Jy ! Total flux subtracted in 200 components = 0.00442841 Jy ! Clean residual min=-0.004697 max=0.006079 Jy/beam ! Clean residual mean=0.000001 rms=0.001505 Jy/beam ! Combined flux in latest and established models = 1.66796 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 151 components and 1.66796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065675Jy sigma=0.639752 ! Fit after self-cal, rms=0.065659Jy sigma=0.639585 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 = 0.000814656 Jy ! Component: 100 - total flux cleaned = 0.000624792 Jy ! Component: 150 - total flux cleaned = 0.000569311 Jy ! Component: 200 - total flux cleaned = 0.000569191 Jy ! Total flux subtracted in 200 components = 0.000569191 Jy ! Clean residual min=-0.004327 max=0.005955 Jy/beam ! Clean residual mean=0.000001 rms=0.001454 Jy/beam ! Combined flux in latest and established models = 1.66853 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 165 components and 1.66853 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065640Jy sigma=0.639222 ! Fit after self-cal, rms=0.065625Jy sigma=0.639164 ! 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=2.924 mas, bmaj=8.878 mas, bpa=-10.51 degrees ! Estimated noise=0.986001 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.924 x 8.878 at -10.51 degrees (North through East) ! Clean map min=-0.0090478 max=1.3793 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065625Jy sigma=0.639164 ! Fit after self-cal, rms=0.055795Jy sigma=0.562078 ! Inverting map and beam ! Estimated beam: bmin=2.924 mas, bmaj=8.881 mas, bpa=-10.52 degrees ! Estimated noise=0.986339 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000584726 Jy ! Component: 100 - total flux cleaned = 0.000963709 Jy ! Component: 150 - total flux cleaned = 0.00103107 Jy ! Component: 200 - total flux cleaned = 0.00122018 Jy ! Total flux subtracted in 200 components = 0.00122018 Jy ! Clean residual min=-0.004787 max=0.004991 Jy/beam ! Clean residual mean=0.000001 rms=0.001038 Jy/beam ! Combined flux in latest and established models = 1.66975 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 184 components and 1.66975 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055601Jy sigma=0.560269 ! Fit after self-cal, rms=0.055601Jy sigma=0.560225 ! Inverting map ! Added new window around map position (2, 36.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00252338 Jy ! Component: 100 - total flux cleaned = 0.00302778 Jy ! Component: 150 - total flux cleaned = 0.00335256 Jy ! Component: 200 - total flux cleaned = 0.00393269 Jy ! Total flux subtracted in 200 components = 0.00393269 Jy ! Clean residual min=-0.004534 max=0.003874 Jy/beam ! Clean residual mean=0.000002 rms=0.000905 Jy/beam ! Combined flux in latest and established models = 1.67368 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 201 components and 1.67368 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055202Jy sigma=0.554795 ! Fit after self-cal, rms=0.055182Jy sigma=0.554671 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055182Jy sigma=0.554671 ! Fit after self-cal, rms=0.055109Jy sigma=0.554354 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=2.644 mas, bmaj=7.888 mas, bpa=-7.239 degrees ! Estimated noise=1.2209 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.0702 Jy ! Component: 100 - total flux cleaned = 1.3477 Jy ! Component: 150 - total flux cleaned = 1.46629 Jy ! Component: 200 - total flux cleaned = 1.52121 Jy ! Total flux subtracted in 200 components = 1.52121 Jy ! Clean residual min=-0.020769 max=0.028864 Jy/beam ! Clean residual mean=0.000002 rms=0.004431 Jy/beam ! Combined flux in latest and established models = 1.52121 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 15 model components to the UV plane model. ! The established model now contains 15 components and 1.52121 Jy ! Inverting map and beam ! Estimated beam: bmin=2.923 mas, bmaj=8.881 mas, bpa=-10.53 degrees ! Estimated noise=0.986048 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 (3.5, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0377817 Jy ! Component: 100 - total flux cleaned = 0.0636247 Jy ! Component: 150 - total flux cleaned = 0.082461 Jy ! Component: 200 - total flux cleaned = 0.096763 Jy ! Total flux subtracted in 200 components = 0.096763 Jy ! Clean residual min=-0.008243 max=0.008818 Jy/beam ! Clean residual mean=0.000013 rms=0.002204 Jy/beam ! Combined flux in latest and established models = 1.61797 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 48 components and 1.61797 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=7.088 mas, bmaj=12.69 mas, bpa=-7.922 degrees ! Estimated noise=1.27445 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0185566 Jy ! Component: 100 - total flux cleaned = 0.0302372 Jy ! Component: 150 - total flux cleaned = 0.0386553 Jy ! Component: 200 - total flux cleaned = 0.0450342 Jy ! Total flux subtracted in 200 components = 0.0450342 Jy ! Clean residual min=-0.005363 max=0.006853 Jy/beam ! Clean residual mean=0.000008 rms=0.001752 Jy/beam ! Combined flux in latest and established models = 1.663 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 = 0.00503264 Jy ! Component: 100 - total flux cleaned = 0.00813607 Jy ! Component: 150 - total flux cleaned = 0.0106636 Jy ! Component: 200 - total flux cleaned = 0.012639 Jy ! Total flux subtracted in 200 components = 0.012639 Jy ! Clean residual min=-0.004454 max=0.005057 Jy/beam ! Clean residual mean=0.000004 rms=0.001413 Jy/beam ! Combined flux in latest and established models = 1.67564 Jy ! Adding 99 model components to the UV plane model. ! The established model now contains 139 components and 1.67564 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.923 mas, bmaj=8.881 mas, bpa=-10.53 degrees ! Estimated noise=0.986048 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00159189 Jy ! Component: 100 - total flux cleaned = -0.000974251 Jy ! Component: 150 - total flux cleaned = -0.000232157 Jy ! Component: 200 - total flux cleaned = 0.000965167 Jy ! Total flux subtracted in 200 components = 0.000965167 Jy ! Clean residual min=-0.004763 max=0.004913 Jy/beam ! Clean residual mean=0.000002 rms=0.001136 Jy/beam ! Combined flux in latest and established models = 1.67661 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 166 components and 1.67661 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056127Jy sigma=0.566405 ! Fit after self-cal, rms=0.055904Jy sigma=0.562845 wmodel J0909+0121_S_map.mod ! Writing 166 model components to file: J0909+0121_S_map.mod wobs J0909+0121_S_uvs.fits ! Writing UV FITS file: J0909+0121_S_uvs.fits wwins J0909+0121_S_map.win ! wwins: Wrote 5 windows to J0909+0121_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 = 0.000252884 Jy ! Component: 100 - total flux cleaned = 0.000485358 Jy ! Component: 150 - total flux cleaned = 0.00118889 Jy ! Component: 200 - total flux cleaned = 0.00112136 Jy ! Component: 250 - total flux cleaned = 0.0011211 Jy ! Component: 300 - total flux cleaned = 0.000998117 Jy ! Component: 350 - total flux cleaned = 0.000998887 Jy ! Component: 400 - total flux cleaned = 0.00105574 Jy ! Component: 450 - total flux cleaned = 0.00105548 Jy ! Component: 500 - total flux cleaned = 0.001054 Jy ! Component: 550 - total flux cleaned = 0.000901001 Jy ! Component: 600 - total flux cleaned = 0.00100087 Jy ! Component: 650 - total flux cleaned = 0.000904866 Jy ! Component: 700 - total flux cleaned = 0.000905613 Jy ! Component: 750 - total flux cleaned = 0.000904941 Jy ! Component: 800 - total flux cleaned = 0.000859791 Jy ! Component: 850 - total flux cleaned = 0.000903604 Jy ! Component: 900 - total flux cleaned = 0.000904177 Jy ! Component: 950 - total flux cleaned = 0.000904311 Jy ! Component: 1000 - total flux cleaned = 0.000904182 Jy ! Component: 1050 - total flux cleaned = 0.000903943 Jy ! Component: 1100 - total flux cleaned = 0.000788157 Jy ! Component: 1150 - total flux cleaned = 0.000940799 Jy ! Component: 1200 - total flux cleaned = 0.000941175 Jy ! Component: 1250 - total flux cleaned = 0.000977643 Jy ! Component: 1300 - total flux cleaned = 0.000941526 Jy ! Component: 1350 - total flux cleaned = 0.00108166 Jy ! Component: 1400 - total flux cleaned = 0.00101267 Jy ! Component: 1450 - total flux cleaned = 0.00104709 Jy ! Component: 1500 - total flux cleaned = 0.00104636 Jy ! Component: 1550 - total flux cleaned = 0.00107927 Jy ! Component: 1600 - total flux cleaned = 0.00114261 Jy ! Component: 1650 - total flux cleaned = 0.00111125 Jy ! Component: 1700 - total flux cleaned = 0.0012023 Jy ! Component: 1750 - total flux cleaned = 0.00117128 Jy ! Component: 1800 - total flux cleaned = 0.00120091 Jy ! Component: 1850 - total flux cleaned = 0.00122952 Jy ! Component: 1900 - total flux cleaned = 0.00117235 Jy ! Component: 1950 - total flux cleaned = 0.00114449 Jy ! Component: 2000 - total flux cleaned = 0.00109008 Jy ! Component: 2050 - total flux cleaned = 0.00106318 Jy ! Component: 2100 - total flux cleaned = 0.00100997 Jy ! Component: 2150 - total flux cleaned = 0.0010365 Jy ! Component: 2200 - total flux cleaned = 0.000984888 Jy ! Component: 2250 - total flux cleaned = 0.00106073 Jy ! Component: 2300 - total flux cleaned = 0.000986706 Jy ! Component: 2350 - total flux cleaned = 0.00113355 Jy ! Component: 2400 - total flux cleaned = 0.0011336 Jy ! Component: 2450 - total flux cleaned = 0.00115783 Jy ! Component: 2500 - total flux cleaned = 0.00120468 Jy ! Component: 2550 - total flux cleaned = 0.0013889 Jy ! Component: 2600 - total flux cleaned = 0.00154732 Jy ! Component: 2650 - total flux cleaned = 0.00163696 Jy ! Component: 2700 - total flux cleaned = 0.00181367 Jy ! Component: 2750 - total flux cleaned = 0.00194438 Jy ! Component: 2800 - total flux cleaned = 0.00205164 Jy ! Component: 2850 - total flux cleaned = 0.00224263 Jy ! Component: 2900 - total flux cleaned = 0.00236798 Jy ! Component: 2950 - total flux cleaned = 0.00249195 Jy ! Component: 3000 - total flux cleaned = 0.00267618 Jy ! Component: 3050 - total flux cleaned = 0.00281791 Jy ! Component: 3100 - total flux cleaned = 0.00293786 Jy ! Component: 3150 - total flux cleaned = 0.00307605 Jy ! Component: 3200 - total flux cleaned = 0.00327126 Jy ! Component: 3250 - total flux cleaned = 0.00344493 Jy ! Component: 3300 - total flux cleaned = 0.00359774 Jy ! Component: 3350 - total flux cleaned = 0.00380519 Jy ! Component: 3400 - total flux cleaned = 0.00389849 Jy ! Component: 3450 - total flux cleaned = 0.00404613 Jy ! Component: 3500 - total flux cleaned = 0.00422868 Jy ! Component: 3550 - total flux cleaned = 0.00433703 Jy ! Component: 3600 - total flux cleaned = 0.00447976 Jy ! Component: 3650 - total flux cleaned = 0.00458557 Jy ! Component: 3700 - total flux cleaned = 0.00476076 Jy ! Component: 3750 - total flux cleaned = 0.00491662 Jy ! Component: 3800 - total flux cleaned = 0.00505396 Jy ! Component: 3850 - total flux cleaned = 0.00520677 Jy ! Component: 3900 - total flux cleaned = 0.00537485 Jy ! Component: 3950 - total flux cleaned = 0.00552442 Jy ! Component: 4000 - total flux cleaned = 0.00560689 Jy ! Component: 4050 - total flux cleaned = 0.00577001 Jy ! Total flux subtracted in 4096 components = 0.0058023 Jy ! Clean residual min=-0.000858 max=0.000866 Jy/beam ! Clean residual mean=-0.000000 rms=0.000303 Jy/beam ! Combined flux in latest and established models = 1.68241 Jy keep ! Adding 307 model components to the UV plane model. ! The established model now contains 472 components and 1.68241 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J0909+0121_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.923 x 8.881 at -10.53 degrees (North through East) ! Clean map min=-0.0026765 max=1.3796 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J0909+0121_S_map.fits wmodel /vlbi/bp222/maps//J0909+0121_S_map.mod ! Writing 472 model components to file: /vlbi/bp222/maps//J0909+0121_S_map.mod wobs /vlbi/bp222/maps//J0909+0121_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J0909+0121_S_uvs.fits wwins /vlbi/bp222/maps//J0909+0121_S_map.win ! wwins: Wrote 6 windows to /vlbi/bp222/maps//J0909+0121_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.37957 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000294738 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0640934 0.0640934 0.128187 0.256374 0.512747 1.02549 2.05099 4.10198 8.20396 16.4079 32.8158 65.6317 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.379 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4680.67 quit ! Quitting program ! Log file /vlbi/bp222/maps//J0909+0121_S_dfm.log closed on Thu Sep 27 10:58:14 2018