! Started logfile: /vlbi/bp222/maps//J0525-2338_S_dfm.log on Thu Sep 27 10:49:23 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//J0525-2338_S_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J0525-2338_S_uva.fits ! AN table 1: 32 integrations on 28 of 28 possible baselines. ! AN table 2: 48 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.780804 visibilities/baseline/integration-bin. ! Found source: J0525-2338 ! ! 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 6996 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 J0525-2338_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 27 telescope corrections were flagged in sub-array 1. ! A total of 61 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 61 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! A total of 61 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 136 telescope corrections were flagged in sub-array 1. ! A total of 201 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.152995Jy sigma=14.077080 ! Fit after self-cal, rms=0.513691Jy sigma=5.980400 ! 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=2.851 mas, bmaj=16.98 mas, bpa=-19.25 degrees ! Estimated noise=1.12666 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 = 0.396982 Jy ! Component: 100 - total flux cleaned = 0.496049 Jy ! Total flux subtracted in 100 components = 0.496049 Jy ! Clean residual min=-0.027729 max=0.041694 Jy/beam ! Clean residual mean=-0.000073 rms=0.006716 Jy/beam ! Combined flux in latest and established models = 0.496049 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.496049 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186956Jy sigma=2.052231 ! Fit after self-cal, rms=0.186570Jy sigma=2.047712 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0472685 Jy ! Component: 100 - total flux cleaned = 0.0763218 Jy ! Total flux subtracted in 100 components = 0.0763218 Jy ! Clean residual min=-0.024683 max=0.019316 Jy/beam ! Clean residual mean=-0.000073 rms=0.005184 Jy/beam ! Combined flux in latest and established models = 0.572371 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 37 components and 0.57237 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175991Jy sigma=1.845076 ! Fit after self-cal, rms=0.175975Jy sigma=1.844512 ! 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=3.609 mas, bmaj=19.35 mas, bpa=-17.98 degrees ! Estimated noise=0.820447 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 = 0.0022333 Jy ! Component: 100 - total flux cleaned = 0.00370047 Jy ! Component: 150 - total flux cleaned = 0.00486007 Jy ! Component: 200 - total flux cleaned = 0.00579304 Jy ! Total flux subtracted in 200 components = 0.00579304 Jy ! Clean residual min=-0.022971 max=0.014466 Jy/beam ! Clean residual mean=-0.000085 rms=0.004765 Jy/beam ! Combined flux in latest and established models = 0.578164 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 56 components and 0.578164 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.174301Jy sigma=1.810381 ! Fit after self-cal, rms=0.174300Jy sigma=1.810179 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.609 x 19.35 at -17.98 degrees (North through East) ! Clean map min=-0.024167 max=0.51371 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.96 HN 0.97 LA 0.94 ! MK 1.09 NL 1.04 OV 0.94 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 HN 1.07 KP 0.94 LA 0.94 ! MK 1.05 NL 1.05 OV 0.93 PT 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.97 HN 1.02 LA 0.95 ! MK 1.04 NL 0.99 OV 0.94 PT 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 HN 1.10 KP 0.95 LA 0.95 ! MK 1.02 NL 1.01 OV 0.96 PT 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.95 HN 1.04 LA 0.90 ! MK 1.06 NL 0.92 OV 0.93 PT 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.94 HN 1.06 KP 0.96 LA 0.89 ! MK 1.02 NL 0.95 OV 0.93 PT 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 17.60 HN 0.70 LA 72.75 ! MK 1.00* NL 1.00* OV 1.00* PT 1.52 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 18.84 HN 0.74 KP 1.00* LA 54.08 ! MK 1.00* NL 1.00* OV 1.00* PT 1.38 ! ! ! Fit before self-cal, rms=0.174300Jy sigma=1.810179 ! Fit after self-cal, rms=0.105603Jy sigma=0.875377 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.654 mas, bmaj=19.33 mas, bpa=-18.06 degrees ! Estimated noise=0.817567 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 = 0.000135287 Jy ! Component: 100 - total flux cleaned = -0.00055922 Jy ! Component: 150 - total flux cleaned = -0.000843828 Jy ! Component: 200 - total flux cleaned = -0.000491149 Jy ! Total flux subtracted in 200 components = -0.000491149 Jy ! Clean residual min=-0.006097 max=0.007582 Jy/beam ! Clean residual mean=0.000017 rms=0.001707 Jy/beam ! Combined flux in latest and established models = 0.577672 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 71 components and 0.577672 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105294Jy sigma=0.868029 ! Fit after self-cal, rms=0.105401Jy sigma=0.867840 ! 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=0.105401Jy sigma=0.867840 ! Fit after self-cal, rms=0.101827Jy sigma=0.847576 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.654 mas, bmaj=19.44 mas, bpa=-18.15 degrees ! Estimated noise=0.818448 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000721464 Jy ! Component: 100 - total flux cleaned = -0.00143081 Jy ! Component: 150 - total flux cleaned = -0.00161994 Jy ! Component: 200 - total flux cleaned = -0.00178793 Jy ! Total flux subtracted in 200 components = -0.00178793 Jy ! Clean residual min=-0.005373 max=0.006350 Jy/beam ! Clean residual mean=0.000019 rms=0.001423 Jy/beam ! Combined flux in latest and established models = 0.575884 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 89 components and 0.575884 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.101734Jy sigma=0.844688 ! Fit after self-cal, rms=0.101743Jy sigma=0.844414 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-14.5, 94.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00160077 Jy ! Component: 100 - total flux cleaned = 0.000256977 Jy ! Component: 150 - total flux cleaned = 9.45069e-05 Jy ! Component: 200 - total flux cleaned = -0.000342557 Jy ! Total flux subtracted in 200 components = -0.000342557 Jy ! Clean residual min=-0.005092 max=0.005722 Jy/beam ! Clean residual mean=0.000010 rms=0.001303 Jy/beam ! Combined flux in latest and established models = 0.575542 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 110 components and 0.575542 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100670Jy sigma=0.837456 ! Fit after self-cal, rms=0.100632Jy sigma=0.837017 ! Inverting map ! Added new window around map position (71.5, 115.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00211197 Jy ! Component: 100 - total flux cleaned = 0.00197728 Jy ! Component: 150 - total flux cleaned = 0.00184401 Jy ! Component: 200 - total flux cleaned = 0.0015937 Jy ! Total flux subtracted in 200 components = 0.0015937 Jy ! Clean residual min=-0.004260 max=0.004855 Jy/beam ! Clean residual mean=0.000006 rms=0.001202 Jy/beam ! Combined flux in latest and established models = 0.577135 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 132 components and 0.577135 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099657Jy sigma=0.832697 ! Fit after self-cal, rms=0.099649Jy sigma=0.832313 ! 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=0.099649Jy sigma=0.832313 ! Fit after self-cal, rms=0.082013Jy sigma=0.788662 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.654 mas, bmaj=19.37 mas, bpa=-18.21 degrees ! Estimated noise=0.819072 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00125341 Jy ! Component: 100 - total flux cleaned = -0.00119374 Jy ! Component: 150 - total flux cleaned = -0.000954064 Jy ! Component: 200 - total flux cleaned = -0.000682595 Jy ! Total flux subtracted in 200 components = -0.000682595 Jy ! Clean residual min=-0.003036 max=0.002734 Jy/beam ! Clean residual mean=-0.000001 rms=0.000677 Jy/beam ! Combined flux in latest and established models = 0.576453 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 158 components and 0.576453 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081956Jy sigma=0.787388 ! Fit after self-cal, rms=0.081975Jy sigma=0.787324 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 = 0.000264689 Jy ! Component: 100 - total flux cleaned = 0.000413392 Jy ! Component: 150 - total flux cleaned = 0.000598518 Jy ! Component: 200 - total flux cleaned = 0.000688719 Jy ! Total flux subtracted in 200 components = 0.000688719 Jy ! Clean residual min=-0.003017 max=0.002612 Jy/beam ! Clean residual mean=-0.000000 rms=0.000660 Jy/beam ! Combined flux in latest and established models = 0.577141 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 168 components and 0.577141 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081930Jy sigma=0.786654 ! Fit after self-cal, rms=0.081925Jy sigma=0.786635 ! 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=0.081925Jy sigma=0.786635 ! Fit after self-cal, rms=0.080201Jy sigma=0.786394 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.734 mas, bmaj=27.41 mas, bpa=-10.59 degrees ! Estimated noise=0.943574 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000419158 Jy ! Component: 100 - total flux cleaned = -8.6293e-05 Jy ! Component: 150 - total flux cleaned = 8.36775e-05 Jy ! Component: 200 - total flux cleaned = 0.000146114 Jy ! Total flux subtracted in 200 components = 0.000146114 Jy ! Clean residual min=-0.002656 max=0.002142 Jy/beam ! Clean residual mean=-0.000002 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 0.577287 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 198 components and 0.577288 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080176Jy sigma=0.786092 ! Fit after self-cal, rms=0.080210Jy sigma=0.786058 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 = 2.19063e-05 Jy ! Component: 100 - total flux cleaned = 8.18445e-05 Jy ! Component: 150 - total flux cleaned = 0.000164721 Jy ! Component: 200 - total flux cleaned = 0.000271848 Jy ! Total flux subtracted in 200 components = 0.000271848 Jy ! Clean residual min=-0.002651 max=0.002044 Jy/beam ! Clean residual mean=-0.000002 rms=0.000645 Jy/beam ! Combined flux in latest and established models = 0.577559 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 220 components and 0.577559 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080193Jy sigma=0.785886 ! Fit after self-cal, rms=0.080192Jy sigma=0.785868 ! 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=3.656 mas, bmaj=19.37 mas, bpa=-18.22 degrees ! Estimated noise=0.818803 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.656 x 19.37 at -18.22 degrees (North through East) ! Clean map min=-0.0069995 max=0.51082 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=0.080192Jy sigma=0.785868 ! Fit after self-cal, rms=0.074732Jy sigma=0.698862 ! Inverting map and beam ! Estimated beam: bmin=3.656 mas, bmaj=19.37 mas, bpa=-18.21 degrees ! Estimated noise=0.818595 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000941249 Jy ! Component: 100 - total flux cleaned = -0.000848458 Jy ! Component: 150 - total flux cleaned = -0.000847606 Jy ! Component: 200 - total flux cleaned = -0.000806351 Jy ! Total flux subtracted in 200 components = -0.000806351 Jy ! Clean residual min=-0.002878 max=0.002507 Jy/beam ! Clean residual mean=0.000001 rms=0.000615 Jy/beam ! Combined flux in latest and established models = 0.576753 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 233 components and 0.576753 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074710Jy sigma=0.698174 ! Fit after self-cal, rms=0.074701Jy sigma=0.698152 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00017847 Jy ! Component: 100 - total flux cleaned = 0.000294502 Jy ! Component: 150 - total flux cleaned = 0.000404764 Jy ! Component: 200 - total flux cleaned = 0.000475904 Jy ! Total flux subtracted in 200 components = 0.000475904 Jy ! Clean residual min=-0.002854 max=0.002417 Jy/beam ! Clean residual mean=0.000001 rms=0.000605 Jy/beam ! Combined flux in latest and established models = 0.577229 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 239 components and 0.577229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074675Jy sigma=0.697705 ! Fit after self-cal, rms=0.074671Jy sigma=0.697692 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074671Jy sigma=0.697692 ! Fit after self-cal, rms=0.074234Jy sigma=0.697562 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=2.901 mas, bmaj=17.11 mas, bpa=-19.52 degrees ! Estimated noise=1.12341 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.395744 Jy ! Component: 100 - total flux cleaned = 0.491925 Jy ! Component: 150 - total flux cleaned = 0.531651 Jy ! Component: 200 - total flux cleaned = 0.551916 Jy ! Total flux subtracted in 200 components = 0.551916 Jy ! Clean residual min=-0.007342 max=0.010068 Jy/beam ! Clean residual mean=0.000006 rms=0.001624 Jy/beam ! Combined flux in latest and established models = 0.551916 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 28 model components to the UV plane model. ! The established model now contains 28 components and 0.551916 Jy ! Inverting map and beam ! Estimated beam: bmin=3.658 mas, bmaj=19.37 mas, bpa=-18.22 degrees ! Estimated noise=0.818469 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 = 0.0149977 Jy ! Component: 100 - total flux cleaned = 0.0225298 Jy ! Component: 150 - total flux cleaned = 0.0251204 Jy ! Component: 200 - total flux cleaned = 0.0264012 Jy ! Total flux subtracted in 200 components = 0.0264012 Jy ! Clean residual min=-0.003336 max=0.003179 Jy/beam ! Clean residual mean=0.000011 rms=0.000850 Jy/beam ! Combined flux in latest and established models = 0.578317 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 75 components and 0.578317 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=7.741 mas, bmaj=27.4 mas, bpa=-10.59 degrees ! Estimated noise=0.942359 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0024115 Jy ! Component: 100 - total flux cleaned = 0.00298969 Jy ! Component: 150 - total flux cleaned = 0.00337766 Jy ! Component: 200 - total flux cleaned = 0.00337796 Jy ! Total flux subtracted in 200 components = 0.00337796 Jy ! Clean residual min=-0.002370 max=0.002211 Jy/beam ! Clean residual mean=0.000007 rms=0.000684 Jy/beam ! Combined flux in latest and established models = 0.581695 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 = -6.04344e-05 Jy ! Component: 100 - total flux cleaned = -5.99857e-05 Jy ! Component: 150 - total flux cleaned = -5.82184e-05 Jy ! Component: 200 - total flux cleaned = -1.0523e-05 Jy ! Total flux subtracted in 200 components = -1.0523e-05 Jy ! Clean residual min=-0.002220 max=0.002030 Jy/beam ! Clean residual mean=0.000005 rms=0.000641 Jy/beam ! Combined flux in latest and established models = 0.581684 Jy ! Adding 102 model components to the UV plane model. ! The established model now contains 174 components and 0.581684 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.658 mas, bmaj=19.37 mas, bpa=-18.22 degrees ! Estimated noise=0.818469 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00134321 Jy ! Component: 100 - total flux cleaned = -0.0013425 Jy ! Component: 150 - total flux cleaned = -0.00142593 Jy ! Component: 200 - total flux cleaned = -0.00157889 Jy ! Total flux subtracted in 200 components = -0.00157889 Jy ! Clean residual min=-0.002553 max=0.002491 Jy/beam ! Clean residual mean=0.000004 rms=0.000668 Jy/beam ! Combined flux in latest and established models = 0.580105 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 196 components and 0.580105 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074708Jy sigma=0.701689 ! Fit after self-cal, rms=0.074660Jy sigma=0.701015 wmodel J0525-2338_S_map.mod ! Writing 196 model components to file: J0525-2338_S_map.mod wobs J0525-2338_S_uvs.fits ! Writing UV FITS file: J0525-2338_S_uvs.fits wwins J0525-2338_S_map.win ! wwins: Wrote 3 windows to J0525-2338_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 = -0.000253738 Jy ! Component: 100 - total flux cleaned = -0.000963524 Jy ! Component: 150 - total flux cleaned = -0.00138513 Jy ! Component: 200 - total flux cleaned = -0.00166742 Jy ! Component: 250 - total flux cleaned = -0.00182274 Jy ! Component: 300 - total flux cleaned = -0.00201198 Jy ! Component: 350 - total flux cleaned = -0.00212121 Jy ! Component: 400 - total flux cleaned = -0.00219226 Jy ! Component: 450 - total flux cleaned = -0.0023319 Jy ! Component: 500 - total flux cleaned = -0.00246822 Jy ! Component: 550 - total flux cleaned = -0.00250154 Jy ! Component: 600 - total flux cleaned = -0.00256677 Jy ! Component: 650 - total flux cleaned = -0.00250291 Jy ! Component: 700 - total flux cleaned = -0.00250328 Jy ! Component: 750 - total flux cleaned = -0.0025336 Jy ! Component: 800 - total flux cleaned = -0.00250361 Jy ! Component: 850 - total flux cleaned = -0.00256353 Jy ! Component: 900 - total flux cleaned = -0.00262241 Jy ! Component: 950 - total flux cleaned = -0.00259341 Jy ! Component: 1000 - total flux cleaned = -0.00256512 Jy ! Component: 1050 - total flux cleaned = -0.002593 Jy ! Component: 1100 - total flux cleaned = -0.00253721 Jy ! Component: 1150 - total flux cleaned = -0.00261927 Jy ! Component: 1200 - total flux cleaned = -0.00256462 Jy ! Component: 1250 - total flux cleaned = -0.00256381 Jy ! Component: 1300 - total flux cleaned = -0.002537 Jy ! Component: 1350 - total flux cleaned = -0.00253674 Jy ! Component: 1400 - total flux cleaned = -0.00248509 Jy ! Component: 1450 - total flux cleaned = -0.00248486 Jy ! Component: 1500 - total flux cleaned = -0.00253502 Jy ! Component: 1550 - total flux cleaned = -0.00258432 Jy ! Component: 1600 - total flux cleaned = -0.00265773 Jy ! Component: 1650 - total flux cleaned = -0.00268234 Jy ! Component: 1700 - total flux cleaned = -0.00277859 Jy ! Component: 1750 - total flux cleaned = -0.00287395 Jy ! Component: 1800 - total flux cleaned = -0.00301546 Jy ! Component: 1850 - total flux cleaned = -0.00315514 Jy ! Component: 1900 - total flux cleaned = -0.00322396 Jy ! Component: 1950 - total flux cleaned = -0.00324686 Jy ! Component: 2000 - total flux cleaned = -0.00338319 Jy ! Component: 2050 - total flux cleaned = -0.00351805 Jy ! Component: 2100 - total flux cleaned = -0.00369603 Jy ! Component: 2150 - total flux cleaned = -0.00382803 Jy ! Component: 2200 - total flux cleaned = -0.00382775 Jy ! Component: 2250 - total flux cleaned = -0.00397931 Jy ! Component: 2300 - total flux cleaned = -0.00402231 Jy ! Component: 2350 - total flux cleaned = -0.00421355 Jy ! Component: 2400 - total flux cleaned = -0.00423446 Jy ! Component: 2450 - total flux cleaned = -0.0042968 Jy ! Component: 2500 - total flux cleaned = -0.00435896 Jy ! Component: 2550 - total flux cleaned = -0.00446186 Jy ! Component: 2600 - total flux cleaned = -0.00450228 Jy ! Component: 2650 - total flux cleaned = -0.00456306 Jy ! Component: 2700 - total flux cleaned = -0.00458318 Jy ! Component: 2750 - total flux cleaned = -0.00468231 Jy ! Component: 2800 - total flux cleaned = -0.00464321 Jy ! Component: 2850 - total flux cleaned = -0.00470168 Jy ! Component: 2900 - total flux cleaned = -0.00477911 Jy ! Component: 2950 - total flux cleaned = -0.00472127 Jy ! Component: 3000 - total flux cleaned = -0.00479752 Jy ! Component: 3050 - total flux cleaned = -0.00481642 Jy ! Component: 3100 - total flux cleaned = -0.00483524 Jy ! Component: 3150 - total flux cleaned = -0.00490968 Jy ! Component: 3200 - total flux cleaned = -0.00494649 Jy ! Component: 3250 - total flux cleaned = -0.00492829 Jy ! Component: 3300 - total flux cleaned = -0.00492844 Jy ! Component: 3350 - total flux cleaned = -0.00500074 Jy ! Component: 3400 - total flux cleaned = -0.00501871 Jy ! Component: 3450 - total flux cleaned = -0.00507218 Jy ! Component: 3500 - total flux cleaned = -0.00510756 Jy ! Component: 3550 - total flux cleaned = -0.00519534 Jy ! Component: 3600 - total flux cleaned = -0.00521256 Jy ! Component: 3650 - total flux cleaned = -0.0052818 Jy ! Component: 3700 - total flux cleaned = -0.00526475 Jy ! Component: 3750 - total flux cleaned = -0.00541821 Jy ! Component: 3800 - total flux cleaned = -0.00543518 Jy ! Component: 3850 - total flux cleaned = -0.0055024 Jy ! Component: 3900 - total flux cleaned = -0.00560247 Jy ! Component: 3950 - total flux cleaned = -0.00553606 Jy ! Component: 4000 - total flux cleaned = -0.00573394 Jy ! Component: 4050 - total flux cleaned = -0.00563552 Jy ! Total flux subtracted in 4096 components = -0.00573311 Jy ! Clean residual min=-0.001016 max=0.000852 Jy/beam ! Clean residual mean=0.000003 rms=0.000314 Jy/beam ! Combined flux in latest and established models = 0.574372 Jy keep ! Adding 250 model components to the UV plane model. ! The established model now contains 445 components and 0.574372 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J0525-2338_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.658 x 19.37 at -18.22 degrees (North through East) ! Clean map min=-0.0034315 max=0.51248 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J0525-2338_S_map.fits wmodel /vlbi/bp222/maps//J0525-2338_S_map.mod ! Writing 445 model components to file: /vlbi/bp222/maps//J0525-2338_S_map.mod wobs /vlbi/bp222/maps//J0525-2338_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J0525-2338_S_uvs.fits wwins /vlbi/bp222/maps//J0525-2338_S_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J0525-2338_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.512476 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000312281 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.182807 0.182807 0.365615 0.73123 1.46246 2.92492 5.84984 11.6997 23.3994 46.7987 93.5974 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.512 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1641.07 quit ! Quitting program ! Log file /vlbi/bp222/maps//J0525-2338_S_dfm.log closed on Thu Sep 27 10:49:28 2018