! Started logfile: /vlbi/uf001/uva//J2257+4154_S_dfm.log on Mon Jan 14 06:28:43 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//J2257+4154_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2257+4154_S_uva.fits ! AN table 1: 74 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.767868 visibilities/baseline/integration-bin. ! Found source: J2257+4154 ! ! 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 7671 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 J2257+4154_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 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.107490Jy sigma=21.602957 ! Fit after self-cal, rms=0.794567Jy sigma=16.255525 ! 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=2.808 mas, bmaj=5.116 mas, bpa=-3.094 degrees ! Estimated noise=0.588782 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 = 0.201768 Jy ! Component: 100 - total flux cleaned = 0.306224 Jy ! Total flux subtracted in 100 components = 0.306224 Jy ! Clean residual min=-0.040865 max=0.088785 Jy/beam ! Clean residual mean=0.000274 rms=0.012090 Jy/beam ! Combined flux in latest and established models = 0.306224 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.306224 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.345989Jy sigma=5.721001 ! Fit after self-cal, rms=0.343673Jy sigma=5.687916 ! Inverting map ! Added new window around map position (1.5, -8.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.088809 Jy ! Component: 100 - total flux cleaned = 0.150796 Jy ! Total flux subtracted in 100 components = 0.150796 Jy ! Clean residual min=-0.036545 max=0.066294 Jy/beam ! Clean residual mean=0.000243 rms=0.010677 Jy/beam ! Combined flux in latest and established models = 0.45702 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 42 components and 0.45702 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.301004Jy sigma=4.985151 ! Fit after self-cal, rms=0.297781Jy sigma=4.924987 ! Inverting map ! Added new window around map position (-30, -23.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0712692 Jy ! Component: 100 - total flux cleaned = 0.122414 Jy ! Total flux subtracted in 100 components = 0.122414 Jy ! Clean residual min=-0.034067 max=0.063039 Jy/beam ! Clean residual mean=0.000240 rms=0.009449 Jy/beam ! Combined flux in latest and established models = 0.579434 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 71 components and 0.579434 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.266374Jy sigma=4.398622 ! Fit after self-cal, rms=0.264266Jy sigma=4.357666 ! Inverting map ! Added new window around map position (-2, 7.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0599043 Jy ! Component: 100 - total flux cleaned = 0.104535 Jy ! Total flux subtracted in 100 components = 0.104535 Jy ! Clean residual min=-0.027964 max=0.040508 Jy/beam ! Clean residual mean=0.000222 rms=0.008216 Jy/beam ! Combined flux in latest and established models = 0.683969 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 91 components and 0.683969 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.240300Jy sigma=3.940192 ! Fit after self-cal, rms=0.238693Jy sigma=3.913807 ! 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=3.205 mas, bmaj=5.642 mas, bpa=-4.968 degrees ! Estimated noise=0.42777 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 = 0.0619311 Jy ! Component: 100 - total flux cleaned = 0.113182 Jy ! Component: 150 - total flux cleaned = 0.157389 Jy ! Component: 200 - total flux cleaned = 0.196064 Jy ! Total flux subtracted in 200 components = 0.196064 Jy ! Clean residual min=-0.030491 max=0.059593 Jy/beam ! Clean residual mean=0.000248 rms=0.009561 Jy/beam ! Combined flux in latest and established models = 0.880033 Jy ! Performing phase self-cal ! Adding 57 model components to the UV plane model. ! The established model now contains 134 components and 0.880033 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.200625Jy sigma=3.328137 ! Fit after self-cal, rms=0.198920Jy sigma=3.294231 ! Inverting map ! Added new window around map position (-20.5, -18.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0619979 Jy ! Component: 100 - total flux cleaned = 0.104766 Jy ! Component: 150 - total flux cleaned = 0.142034 Jy ! Component: 200 - total flux cleaned = 0.175717 Jy ! Total flux subtracted in 200 components = 0.175717 Jy ! Clean residual min=-0.023082 max=0.031638 Jy/beam ! Clean residual mean=0.000185 rms=0.007406 Jy/beam ! Combined flux in latest and established models = 1.05575 Jy ! Performing phase self-cal ! Adding 82 model components to the UV plane model. ! The established model now contains 197 components and 1.05575 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.161070Jy sigma=2.680185 ! Fit after self-cal, rms=0.159395Jy sigma=2.651482 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.205 x 5.642 at -4.968 degrees (North through East) ! Clean map min=-0.021098 max=0.23911 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.83 HN 1.08 KP 1.02 ! LA 0.79 MK 1.10 NL 1.08 OV 0.95 ! PT 0.81 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.82 HN 1.08 KP 1.01 ! LA 0.79 MK 1.12 NL 1.05 OV 0.93 ! PT 0.84 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.85 HN 1.06 KP 0.99 ! LA 0.82 MK 1.11 NL 1.03 OV 0.95 ! PT 0.83 SC 1.01 ! ! ! Fit before self-cal, rms=0.159395Jy sigma=2.651482 ! Fit after self-cal, rms=0.099336Jy sigma=2.096022 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.347 mas, bmaj=5.847 mas, bpa=-3.669 degrees ! Estimated noise=0.404973 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 = 0.0192066 Jy ! Component: 100 - total flux cleaned = 0.032818 Jy ! Component: 150 - total flux cleaned = 0.0444893 Jy ! Component: 200 - total flux cleaned = 0.0547508 Jy ! Total flux subtracted in 200 components = 0.0547508 Jy ! Clean residual min=-0.014776 max=0.019425 Jy/beam ! Clean residual mean=0.000070 rms=0.004029 Jy/beam ! Combined flux in latest and established models = 1.1105 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 229 components and 1.1105 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.091525Jy sigma=1.891353 ! Fit after self-cal, rms=0.091169Jy sigma=1.885361 ! 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=0.091169Jy sigma=1.885361 ! Fit after self-cal, rms=0.089906Jy sigma=1.791981 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.359 mas, bmaj=5.771 mas, bpa=-4.695 degrees ! Estimated noise=0.407927 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0073029 Jy ! Component: 100 - total flux cleaned = 0.0133297 Jy ! Component: 150 - total flux cleaned = 0.0192773 Jy ! Component: 200 - total flux cleaned = 0.0249066 Jy ! Total flux subtracted in 200 components = 0.0249066 Jy ! Clean residual min=-0.013090 max=0.016150 Jy/beam ! Clean residual mean=0.000061 rms=0.003413 Jy/beam ! Combined flux in latest and established models = 1.13541 Jy selfcal ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 259 components and 1.13541 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.086725Jy sigma=1.706943 ! Fit after self-cal, rms=0.086344Jy sigma=1.701824 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 (-12, -18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0151194 Jy ! Component: 100 - total flux cleaned = 0.0199646 Jy ! Component: 150 - total flux cleaned = 0.0229371 Jy ! Component: 200 - total flux cleaned = 0.0261297 Jy ! Total flux subtracted in 200 components = 0.0261297 Jy ! Clean residual min=-0.011833 max=0.015332 Jy/beam ! Clean residual mean=0.000046 rms=0.003000 Jy/beam ! Combined flux in latest and established models = 1.16154 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 281 components and 1.16154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.082688Jy sigma=1.609287 ! Fit after self-cal, rms=0.082061Jy sigma=1.601503 ! Inverting map ! Added new window around map position (-36, -20). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0143324 Jy ! Component: 100 - total flux cleaned = 0.0219237 Jy ! Component: 150 - total flux cleaned = 0.0279081 Jy ! Component: 200 - total flux cleaned = 0.0324204 Jy ! Total flux subtracted in 200 components = 0.0324204 Jy ! Clean residual min=-0.011478 max=0.014262 Jy/beam ! Clean residual mean=0.000037 rms=0.002637 Jy/beam ! Combined flux in latest and established models = 1.19396 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 317 components and 1.19396 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.078954Jy sigma=1.521410 ! Fit after self-cal, rms=0.078655Jy sigma=1.516424 ! Inverting map ! Added new window around map position (-1, -17.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.013033 Jy ! Component: 100 - total flux cleaned = 0.0171499 Jy ! Component: 150 - total flux cleaned = 0.0197608 Jy ! Component: 200 - total flux cleaned = 0.0231445 Jy ! Total flux subtracted in 200 components = 0.0231445 Jy ! Clean residual min=-0.009733 max=0.008527 Jy/beam ! Clean residual mean=0.000024 rms=0.002279 Jy/beam ! Combined flux in latest and established models = 1.2171 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 343 components and 1.2171 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075530Jy sigma=1.441868 ! Fit after self-cal, rms=0.075210Jy sigma=1.437684 ! 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=0.075210Jy sigma=1.437684 ! Fit after self-cal, rms=0.072077Jy sigma=1.408393 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.372 mas, bmaj=5.801 mas, bpa=-3.996 degrees ! Estimated noise=0.40328 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00749362 Jy ! Component: 100 - total flux cleaned = 0.0125932 Jy ! Component: 150 - total flux cleaned = 0.0171167 Jy ! Component: 200 - total flux cleaned = 0.020986 Jy ! Total flux subtracted in 200 components = 0.020986 Jy ! Clean residual min=-0.008277 max=0.006997 Jy/beam ! Clean residual mean=0.000020 rms=0.001853 Jy/beam ! Combined flux in latest and established models = 1.23809 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 364 components and 1.23809 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070290Jy sigma=1.362660 ! Fit after self-cal, rms=0.070070Jy sigma=1.359837 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 = 0.00434289 Jy ! Component: 100 - total flux cleaned = 0.00771797 Jy ! Component: 150 - total flux cleaned = 0.0102244 Jy ! Component: 200 - total flux cleaned = 0.012555 Jy ! Total flux subtracted in 200 components = 0.012555 Jy ! Clean residual min=-0.007650 max=0.006238 Jy/beam ! Clean residual mean=0.000014 rms=0.001695 Jy/beam ! Combined flux in latest and established models = 1.25064 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 381 components and 1.25064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069093Jy sigma=1.334536 ! Fit after self-cal, rms=0.068976Jy sigma=1.333136 ! 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=0.068976Jy sigma=1.333136 ! Fit after self-cal, rms=0.068022Jy sigma=1.328101 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.258 mas, bmaj=8.918 mas, bpa=-2.349 degrees ! Estimated noise=0.512665 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00619176 Jy ! Component: 100 - total flux cleaned = 0.0113905 Jy ! Component: 150 - total flux cleaned = 0.0154994 Jy ! Component: 200 - total flux cleaned = 0.018599 Jy ! Total flux subtracted in 200 components = 0.018599 Jy ! Clean residual min=-0.007756 max=0.007981 Jy/beam ! Clean residual mean=0.000015 rms=0.002206 Jy/beam ! Combined flux in latest and established models = 1.26924 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 402 components and 1.26924 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.067312Jy sigma=1.305690 ! Fit after self-cal, rms=0.067080Jy sigma=1.301884 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 = 0.00312435 Jy ! Component: 100 - total flux cleaned = 0.0052953 Jy ! Component: 150 - total flux cleaned = 0.00696404 Jy ! Component: 200 - total flux cleaned = 0.0079089 Jy ! Total flux subtracted in 200 components = 0.0079089 Jy ! Clean residual min=-0.006700 max=0.007084 Jy/beam ! Clean residual mean=0.000003 rms=0.001968 Jy/beam ! Combined flux in latest and established models = 1.27715 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 424 components and 1.27715 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066838Jy sigma=1.294522 ! Fit after self-cal, rms=0.066766Jy sigma=1.293359 ! 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=3.375 mas, bmaj=5.812 mas, bpa=-3.63 degrees ! Estimated noise=0.400711 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.375 x 5.812 at -3.63 degrees (North through East) ! Clean map min=-0.0061071 max=0.21667 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=2.929 mas, bmaj=5.253 mas, bpa=-1.715 degrees ! Estimated noise=0.561789 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.190873 Jy ! Component: 100 - total flux cleaned = 0.309028 Jy ! Component: 150 - total flux cleaned = 0.396942 Jy ! Component: 200 - total flux cleaned = 0.466162 Jy ! Total flux subtracted in 200 components = 0.466162 Jy ! Clean residual min=-0.028543 max=0.041689 Jy/beam ! Clean residual mean=0.000229 rms=0.008744 Jy/beam ! Combined flux in latest and established models = 0.466162 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 52 model components to the UV plane model. ! The established model now contains 52 components and 0.466162 Jy ! Inverting map and beam ! Estimated beam: bmin=3.375 mas, bmaj=5.812 mas, bpa=-3.63 degrees ! Estimated noise=0.400711 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 = 0.0823801 Jy ! Component: 100 - total flux cleaned = 0.149571 Jy ! Component: 150 - total flux cleaned = 0.207257 Jy ! Component: 200 - total flux cleaned = 0.257848 Jy ! Total flux subtracted in 200 components = 0.257848 Jy ! Clean residual min=-0.025876 max=0.032616 Jy/beam ! Clean residual mean=0.000234 rms=0.007932 Jy/beam ! Combined flux in latest and established models = 0.72401 Jy ! Adding 94 model components to the UV plane model. ! The established model now contains 130 components and 0.72401 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=7.258 mas, bmaj=8.918 mas, bpa=-2.349 degrees ! Estimated noise=0.512665 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0894369 Jy ! Component: 100 - total flux cleaned = 0.157986 Jy ! Component: 150 - total flux cleaned = 0.213692 Jy ! Component: 200 - total flux cleaned = 0.260456 Jy ! Total flux subtracted in 200 components = 0.260456 Jy ! Clean residual min=-0.025839 max=0.028670 Jy/beam ! Clean residual mean=0.000269 rms=0.008243 Jy/beam ! Combined flux in latest and established models = 0.984467 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 = 0.0397512 Jy ! Component: 100 - total flux cleaned = 0.0737563 Jy ! Component: 150 - total flux cleaned = 0.102952 Jy ! Component: 200 - total flux cleaned = 0.128125 Jy ! Total flux subtracted in 200 components = 0.128125 Jy ! Clean residual min=-0.016632 max=0.016403 Jy/beam ! Clean residual mean=0.000144 rms=0.004794 Jy/beam ! Combined flux in latest and established models = 1.11259 Jy ! Adding 206 model components to the UV plane model. ! The established model now contains 308 components and 1.11259 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.375 mas, bmaj=5.812 mas, bpa=-3.63 degrees ! Estimated noise=0.400711 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0195169 Jy ! Component: 100 - total flux cleaned = 0.0347235 Jy ! Component: 150 - total flux cleaned = 0.0460145 Jy ! Component: 200 - total flux cleaned = 0.0553131 Jy ! Total flux subtracted in 200 components = 0.0553131 Jy ! Clean residual min=-0.009339 max=0.009990 Jy/beam ! Clean residual mean=0.000038 rms=0.002390 Jy/beam ! Combined flux in latest and established models = 1.16791 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 345 components and 1.16791 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076459Jy sigma=1.501318 ! Fit after self-cal, rms=0.075540Jy sigma=1.480087 wmodel J2257+4154_S_map.mod ! Writing 345 model components to file: J2257+4154_S_map.mod wobs J2257+4154_S_uvs.fits ! Writing UV FITS file: J2257+4154_S_uvs.fits wwins J2257+4154_S_map.win ! wwins: Wrote 8 windows to J2257+4154_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 = 0.00273975 Jy ! Component: 100 - total flux cleaned = 0.00470194 Jy ! Component: 150 - total flux cleaned = 0.00657752 Jy ! Component: 200 - total flux cleaned = 0.00792916 Jy ! Component: 250 - total flux cleaned = 0.00909539 Jy ! Component: 300 - total flux cleaned = 0.0104983 Jy ! Component: 350 - total flux cleaned = 0.0113187 Jy ! Component: 400 - total flux cleaned = 0.0125153 Jy ! Component: 450 - total flux cleaned = 0.013418 Jy ! Component: 500 - total flux cleaned = 0.0142989 Jy ! Component: 550 - total flux cleaned = 0.0150338 Jy ! Component: 600 - total flux cleaned = 0.0157505 Jy ! Component: 650 - total flux cleaned = 0.0163344 Jy ! Component: 700 - total flux cleaned = 0.0171363 Jy ! Component: 750 - total flux cleaned = 0.0178087 Jy ! Component: 800 - total flux cleaned = 0.0185813 Jy ! Component: 850 - total flux cleaned = 0.0194479 Jy ! Component: 900 - total flux cleaned = 0.0202959 Jy ! Component: 950 - total flux cleaned = 0.0209202 Jy ! Component: 1000 - total flux cleaned = 0.0215342 Jy ! Component: 1050 - total flux cleaned = 0.0222365 Jy ! Component: 1100 - total flux cleaned = 0.0229245 Jy ! Component: 1150 - total flux cleaned = 0.0233099 Jy ! Component: 1200 - total flux cleaned = 0.0239771 Jy ! Component: 1250 - total flux cleaned = 0.0246325 Jy ! Component: 1300 - total flux cleaned = 0.0250023 Jy ! Component: 1350 - total flux cleaned = 0.0253696 Jy ! Component: 1400 - total flux cleaned = 0.0260856 Jy ! Component: 1450 - total flux cleaned = 0.0270506 Jy ! Component: 1500 - total flux cleaned = 0.0274807 Jy ! Component: 1550 - total flux cleaned = 0.0279877 Jy ! Component: 1600 - total flux cleaned = 0.0280693 Jy ! Component: 1650 - total flux cleaned = 0.0287296 Jy ! Component: 1700 - total flux cleaned = 0.0289734 Jy ! Component: 1750 - total flux cleaned = 0.0296895 Jy ! Component: 1800 - total flux cleaned = 0.0296888 Jy ! Component: 1850 - total flux cleaned = 0.0296117 Jy ! Component: 1900 - total flux cleaned = 0.0304511 Jy ! Component: 1950 - total flux cleaned = 0.0306757 Jy ! Component: 2000 - total flux cleaned = 0.0311205 Jy ! Component: 2050 - total flux cleaned = 0.0316316 Jy ! Component: 2100 - total flux cleaned = 0.0317752 Jy ! Component: 2150 - total flux cleaned = 0.0319185 Jy ! Component: 2200 - total flux cleaned = 0.0323395 Jy ! Component: 2250 - total flux cleaned = 0.0324083 Jy ! Component: 2300 - total flux cleaned = 0.0328183 Jy ! Component: 2350 - total flux cleaned = 0.0332891 Jy ! Component: 2400 - total flux cleaned = 0.0331546 Jy ! Component: 2450 - total flux cleaned = 0.0334826 Jy ! Component: 2500 - total flux cleaned = 0.0338699 Jy ! Component: 2550 - total flux cleaned = 0.0340612 Jy ! Component: 2600 - total flux cleaned = 0.0343136 Jy ! Component: 2650 - total flux cleaned = 0.0344382 Jy ! Component: 2700 - total flux cleaned = 0.0345616 Jy ! Component: 2750 - total flux cleaned = 0.0349245 Jy ! Component: 2800 - total flux cleaned = 0.0348641 Jy ! Component: 2850 - total flux cleaned = 0.0351009 Jy ! Component: 2900 - total flux cleaned = 0.0352184 Jy ! Component: 2950 - total flux cleaned = 0.0354482 Jy ! Component: 3000 - total flux cleaned = 0.0353341 Jy ! Component: 3050 - total flux cleaned = 0.0356727 Jy ! Component: 3100 - total flux cleaned = 0.0356723 Jy ! Component: 3150 - total flux cleaned = 0.0361147 Jy ! Component: 3200 - total flux cleaned = 0.0362772 Jy ! Component: 3250 - total flux cleaned = 0.0363289 Jy ! Component: 3300 - total flux cleaned = 0.0365945 Jy ! Component: 3350 - total flux cleaned = 0.0366999 Jy ! Component: 3400 - total flux cleaned = 0.0368558 Jy ! Component: 3450 - total flux cleaned = 0.0370097 Jy ! Component: 3500 - total flux cleaned = 0.0373139 Jy ! Component: 3550 - total flux cleaned = 0.0374643 Jy ! Component: 3600 - total flux cleaned = 0.0376132 Jy ! Component: 3650 - total flux cleaned = 0.0374164 Jy ! Component: 3700 - total flux cleaned = 0.0376102 Jy ! Component: 3750 - total flux cleaned = 0.0377543 Jy ! Component: 3800 - total flux cleaned = 0.0377539 Jy ! Component: 3850 - total flux cleaned = 0.037941 Jy ! Component: 3900 - total flux cleaned = 0.0378484 Jy ! Component: 3950 - total flux cleaned = 0.0380771 Jy ! Component: 4000 - total flux cleaned = 0.0381222 Jy ! Component: 4050 - total flux cleaned = 0.0381224 Jy ! Total flux subtracted in 4096 components = 0.038167 Jy ! Clean residual min=-0.002215 max=0.002208 Jy/beam ! Clean residual mean=0.000006 rms=0.000824 Jy/beam ! Combined flux in latest and established models = 1.20607 Jy keep ! Adding 331 model components to the UV plane model. ! The established model now contains 659 components and 1.20607 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2257+4154_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.375 x 5.812 at -3.63 degrees (North through East) ! Clean map min=-0.0046289 max=0.21829 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2257+4154_S_map.fits wmodel /vlbi/uf001/uva//J2257+4154_S_map.mod ! Writing 659 model components to file: /vlbi/uf001/uva//J2257+4154_S_map.mod wobs /vlbi/uf001/uva//J2257+4154_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2257+4154_S_uvs.fits wwins /vlbi/uf001/uva//J2257+4154_S_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J2257+4154_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.218287 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000818709 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.12518 1.12518 2.25037 4.50074 9.00148 18.003 36.0059 72.0118 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.218 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 266.622 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2257+4154_S_dfm.log closed on Mon Jan 14 06:28:48 2019