! Started logfile: /vlbi/bp222/maps//J1535+4957_S_dfm.log on Thu Sep 27 11:20:11 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//J1535+4957_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1535+4957_S_uvm.fits ! AN table 1: 23 integrations on 28 of 28 possible baselines. ! AN table 2: 45 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.97659 visibilities/baseline/integration-bin. ! Found source: J1535+4957 ! ! 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 44 lines of history. ! ! Reading 8844 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 J1535+4957_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 2 telescope corrections were flagged in sub-array 1. ! A total of 5 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! A total of 5 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! A total of 5 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 92 telescope corrections were flagged in sub-array 1. ! A total of 227 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.077407Jy sigma=17.321638 ! Fit after self-cal, rms=0.696194Jy sigma=10.785551 ! 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=2.414 mas, bmaj=8.424 mas, bpa=-17.36 degrees ! Estimated noise=0.829099 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 = 0.252882 Jy ! Component: 100 - total flux cleaned = 0.304974 Jy ! Total flux subtracted in 100 components = 0.304974 Jy ! Clean residual min=-0.019790 max=0.026166 Jy/beam ! Clean residual mean=-0.000006 rms=0.005490 Jy/beam ! Combined flux in latest and established models = 0.304974 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.304974 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136711Jy sigma=1.676143 ! Fit after self-cal, rms=0.136679Jy sigma=1.675823 ! 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=3.01 mas, bmaj=9.052 mas, bpa=-16.23 degrees ! Estimated noise=0.556858 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 (-6, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0192888 Jy ! Component: 100 - total flux cleaned = 0.0231387 Jy ! Component: 150 - total flux cleaned = 0.02614 Jy ! Component: 200 - total flux cleaned = 0.0280311 Jy ! Total flux subtracted in 200 components = 0.0280311 Jy ! Clean residual min=-0.017968 max=0.023827 Jy/beam ! Clean residual mean=0.000003 rms=0.004044 Jy/beam ! Combined flux in latest and established models = 0.333005 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 25 components and 0.333005 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132518Jy sigma=1.580610 ! Fit after self-cal, rms=0.132121Jy sigma=1.570686 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.01 x 9.052 at -16.23 degrees (North through East) ! Clean map min=-0.017405 max=0.31694 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.04 HN 0.93 KP 0.96 ! MK 0.96 NL 1.38 OV 0.96 SC 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.94 KP 0.97 LA 0.94 ! MK 0.94 NL 0.86 OV 0.93 PT 0.93 ! SC 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.93 HN 0.94 KP 0.96 ! MK 0.98 NL 2.27 OV 0.97 SC 0.80 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.95 KP 0.85 LA 0.93 ! MK 0.92 NL 1.45 OV 0.92 PT 0.95 ! SC 1.27 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.84 FD 0.90 HN 0.94 KP 0.96 ! MK 0.98 NL 1.54 OV 0.96 SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.21 FD 0.95 KP 1.14 LA 0.94 ! MK 0.94 NL 1.06 OV 0.91 PT 0.95 ! SC 1.09 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1242.95 HN 1.42 KP 1.00* ! MK 20.86 NL 1.00* OV 1.29 SC 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 8.80 KP 1.00* LA 2.08 ! MK 1.00* NL 1.00* OV 1.48 PT 0.95 ! SC 1.00* ! ! ! Fit before self-cal, rms=0.132121Jy sigma=1.570686 ! Fit after self-cal, rms=0.120496Jy sigma=1.175700 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.018 mas, bmaj=8.984 mas, bpa=-16.37 degrees ! Estimated noise=0.552617 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 (-10.5, 117). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00742714 Jy ! Component: 100 - total flux cleaned = 0.00840212 Jy ! Component: 150 - total flux cleaned = 0.00956504 Jy ! Component: 200 - total flux cleaned = 0.010608 Jy ! Total flux subtracted in 200 components = 0.010608 Jy ! Clean residual min=-0.011830 max=0.014608 Jy/beam ! Clean residual mean=-0.000002 rms=0.002697 Jy/beam ! Combined flux in latest and established models = 0.343613 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 57 components and 0.343613 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.117459Jy sigma=1.141882 ! Fit after self-cal, rms=0.117567Jy sigma=1.138338 ! 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=0.117567Jy sigma=1.138338 ! Fit after self-cal, rms=0.114846Jy sigma=1.136111 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.01 mas, bmaj=8.993 mas, bpa=-16.45 degrees ! Estimated noise=0.553477 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00501429 Jy ! Component: 100 - total flux cleaned = 0.00618177 Jy ! Component: 150 - total flux cleaned = 0.00743435 Jy ! Component: 200 - total flux cleaned = 0.00801824 Jy ! Total flux subtracted in 200 components = 0.00801824 Jy ! Clean residual min=-0.011582 max=0.013517 Jy/beam ! Clean residual mean=-0.000000 rms=0.002583 Jy/beam ! Combined flux in latest and established models = 0.351631 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 76 components and 0.351631 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.113546Jy sigma=1.124999 ! Fit after self-cal, rms=0.113518Jy sigma=1.124169 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 (10.5, -116.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0059584 Jy ! Component: 100 - total flux cleaned = 0.00779886 Jy ! Component: 150 - total flux cleaned = 0.00913977 Jy ! Component: 200 - total flux cleaned = 0.0101521 Jy ! Total flux subtracted in 200 components = 0.0101521 Jy ! Clean residual min=-0.010895 max=0.009856 Jy/beam ! Clean residual mean=-0.000000 rms=0.002384 Jy/beam ! Combined flux in latest and established models = 0.361783 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 109 components and 0.361783 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.111310Jy sigma=1.104909 ! Fit after self-cal, rms=0.111241Jy sigma=1.102900 ! 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=0.111241Jy sigma=1.102900 ! Fit after self-cal, rms=0.092604Jy sigma=0.870334 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.996 mas, bmaj=8.957 mas, bpa=-16.22 degrees ! Estimated noise=0.559657 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00507299 Jy ! Component: 100 - total flux cleaned = -0.00631372 Jy ! Component: 150 - total flux cleaned = -0.00644972 Jy ! Component: 200 - total flux cleaned = -0.00657961 Jy ! Total flux subtracted in 200 components = -0.00657961 Jy ! Clean residual min=-0.004355 max=0.003909 Jy/beam ! Clean residual mean=0.000002 rms=0.000978 Jy/beam ! Combined flux in latest and established models = 0.355204 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 124 components and 0.355204 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091901Jy sigma=0.850671 ! Fit after self-cal, rms=0.091903Jy sigma=0.849461 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 = -0.000117955 Jy ! Component: 100 - total flux cleaned = -2.1263e-05 Jy ! Component: 150 - total flux cleaned = 7.30148e-05 Jy ! Component: 200 - total flux cleaned = 7.2781e-05 Jy ! Total flux subtracted in 200 components = 7.2781e-05 Jy ! Clean residual min=-0.003757 max=0.004033 Jy/beam ! Clean residual mean=0.000001 rms=0.000894 Jy/beam ! Combined flux in latest and established models = 0.355277 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 140 components and 0.355277 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091709Jy sigma=0.843920 ! Fit after self-cal, rms=0.091709Jy sigma=0.843696 ! Inverting map ! Added new window around map position (-4, 21). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00164365 Jy ! Component: 100 - total flux cleaned = 0.00217105 Jy ! Component: 150 - total flux cleaned = 0.00256786 Jy ! Component: 200 - total flux cleaned = 0.00256708 Jy ! Total flux subtracted in 200 components = 0.00256708 Jy ! Clean residual min=-0.003484 max=0.003214 Jy/beam ! Clean residual mean=-0.000000 rms=0.000811 Jy/beam ! Combined flux in latest and established models = 0.357844 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 168 components and 0.357844 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091521Jy sigma=0.838572 ! Fit after self-cal, rms=0.091502Jy sigma=0.838277 ! 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=0.091502Jy sigma=0.838277 ! Fit after self-cal, rms=0.092368Jy sigma=0.834231 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.51 mas, bmaj=10.29 mas, bpa=-7.916 degrees ! Estimated noise=0.73511 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00331837 Jy ! Component: 100 - total flux cleaned = -0.00352316 Jy ! Component: 150 - total flux cleaned = -0.00360837 Jy ! Component: 200 - total flux cleaned = -0.00368127 Jy ! Total flux subtracted in 200 components = -0.00368127 Jy ! Clean residual min=-0.002860 max=0.002742 Jy/beam ! Clean residual mean=-0.000001 rms=0.000767 Jy/beam ! Combined flux in latest and established models = 0.354162 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 199 components and 0.354162 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.092250Jy sigma=0.832084 ! Fit after self-cal, rms=0.092255Jy sigma=0.831969 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 = 6.22657e-05 Jy ! Component: 100 - total flux cleaned = -0.000123313 Jy ! Component: 150 - total flux cleaned = -0.000346802 Jy ! Component: 200 - total flux cleaned = -0.000599202 Jy ! Total flux subtracted in 200 components = -0.000599202 Jy ! Clean residual min=-0.002670 max=0.002570 Jy/beam ! Clean residual mean=-0.000002 rms=0.000709 Jy/beam ! Combined flux in latest and established models = 0.353563 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 215 components and 0.353563 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.092195Jy sigma=0.831154 ! Fit after self-cal, rms=0.092191Jy sigma=0.831106 ! 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=2.992 mas, bmaj=8.949 mas, bpa=-16.13 degrees ! Estimated noise=0.558624 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.992 x 8.949 at -16.13 degrees (North through East) ! Clean map min=-0.0036034 max=0.31559 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=2.407 mas, bmaj=8.308 mas, bpa=-17.43 degrees ! Estimated noise=0.82974 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.252992 Jy ! Component: 100 - total flux cleaned = 0.308213 Jy ! Component: 150 - total flux cleaned = 0.323702 Jy ! Component: 200 - total flux cleaned = 0.331391 Jy ! Total flux subtracted in 200 components = 0.331391 Jy ! Clean residual min=-0.005880 max=0.007587 Jy/beam ! Clean residual mean=0.000004 rms=0.001368 Jy/beam ! Combined flux in latest and established models = 0.331391 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.331391 Jy ! Inverting map and beam ! Estimated beam: bmin=2.992 mas, bmaj=8.949 mas, bpa=-16.13 degrees ! Estimated noise=0.558624 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 (43.5, -24). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00715081 Jy ! Component: 100 - total flux cleaned = 0.0122689 Jy ! Component: 150 - total flux cleaned = 0.0151738 Jy ! Component: 200 - total flux cleaned = 0.0164074 Jy ! Total flux subtracted in 200 components = 0.0164074 Jy ! Clean residual min=-0.003506 max=0.003729 Jy/beam ! Clean residual mean=0.000003 rms=0.000828 Jy/beam ! Combined flux in latest and established models = 0.347798 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 56 components and 0.347798 Jy ! Inverting map ! Added new window around map position (31, -37). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0013193 Jy ! Component: 100 - total flux cleaned = 0.00121557 Jy ! Component: 150 - total flux cleaned = 0.00121769 Jy ! Component: 200 - total flux cleaned = 0.00140809 Jy ! Total flux subtracted in 200 components = 0.00140809 Jy ! Clean residual min=-0.003177 max=0.003047 Jy/beam ! Clean residual mean=0.000000 rms=0.000736 Jy/beam ! Combined flux in latest and established models = 0.349206 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 91 components and 0.349207 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=7.51 mas, bmaj=10.29 mas, bpa=-7.916 degrees ! Estimated noise=0.73511 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00247019 Jy ! Component: 100 - total flux cleaned = 0.00332812 Jy ! Component: 150 - total flux cleaned = 0.00362128 Jy ! Component: 200 - total flux cleaned = 0.00368902 Jy ! Total flux subtracted in 200 components = 0.00368902 Jy ! Clean residual min=-0.003014 max=0.002382 Jy/beam ! Clean residual mean=-0.000001 rms=0.000714 Jy/beam ! Combined flux in latest and established models = 0.352896 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 = -5.98828e-05 Jy ! Component: 100 - total flux cleaned = -0.000115776 Jy ! Component: 150 - total flux cleaned = -0.000167664 Jy ! Component: 200 - total flux cleaned = -0.000217241 Jy ! Total flux subtracted in 200 components = -0.000217241 Jy ! Clean residual min=-0.002883 max=0.002271 Jy/beam ! Clean residual mean=-0.000001 rms=0.000662 Jy/beam ! Combined flux in latest and established models = 0.352678 Jy ! Adding 71 model components to the UV plane model. ! The established model now contains 157 components and 0.352678 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.992 mas, bmaj=8.949 mas, bpa=-16.13 degrees ! Estimated noise=0.558624 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00168505 Jy ! Component: 100 - total flux cleaned = -0.00183046 Jy ! Component: 150 - total flux cleaned = -0.00203191 Jy ! Component: 200 - total flux cleaned = -0.00209543 Jy ! Total flux subtracted in 200 components = -0.00209543 Jy ! Clean residual min=-0.002682 max=0.002359 Jy/beam ! Clean residual mean=-0.000001 rms=0.000622 Jy/beam ! Combined flux in latest and established models = 0.350583 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 186 components and 0.350583 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.092172Jy sigma=0.825640 ! Fit after self-cal, rms=0.092112Jy sigma=0.825011 wmodel J1535+4957_S_map.mod ! Writing 186 model components to file: J1535+4957_S_map.mod wobs J1535+4957_S_uvs.fits ! Writing UV FITS file: J1535+4957_S_uvs.fits wwins J1535+4957_S_map.win ! wwins: Wrote 7 windows to J1535+4957_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 = -0.000477928 Jy ! Component: 100 - total flux cleaned = -0.000870847 Jy ! Component: 150 - total flux cleaned = -0.00119854 Jy ! Component: 200 - total flux cleaned = -0.00143229 Jy ! Component: 250 - total flux cleaned = -0.00158315 Jy ! Component: 300 - total flux cleaned = -0.00176621 Jy ! Component: 350 - total flux cleaned = -0.00201371 Jy ! Component: 400 - total flux cleaned = -0.00225315 Jy ! Component: 450 - total flux cleaned = -0.00241994 Jy ! Component: 500 - total flux cleaned = -0.00254952 Jy ! Component: 550 - total flux cleaned = -0.00267631 Jy ! Component: 600 - total flux cleaned = -0.00273806 Jy ! Component: 650 - total flux cleaned = -0.00276824 Jy ! Component: 700 - total flux cleaned = -0.00276798 Jy ! Component: 750 - total flux cleaned = -0.00273825 Jy ! Component: 800 - total flux cleaned = -0.00273806 Jy ! Component: 850 - total flux cleaned = -0.00271008 Jy ! Component: 900 - total flux cleaned = -0.00276466 Jy ! Component: 950 - total flux cleaned = -0.00270968 Jy ! Component: 1000 - total flux cleaned = -0.00260289 Jy ! Component: 1050 - total flux cleaned = -0.00260255 Jy ! Component: 1100 - total flux cleaned = -0.00252485 Jy ! Component: 1150 - total flux cleaned = -0.00239814 Jy ! Component: 1200 - total flux cleaned = -0.00229804 Jy ! Component: 1250 - total flux cleaned = -0.00212613 Jy ! Component: 1300 - total flux cleaned = -0.00207801 Jy ! Component: 1350 - total flux cleaned = -0.00198233 Jy ! Component: 1400 - total flux cleaned = -0.0018885 Jy ! Component: 1450 - total flux cleaned = -0.00174908 Jy ! Component: 1500 - total flux cleaned = -0.0016348 Jy ! Component: 1550 - total flux cleaned = -0.00147636 Jy ! Component: 1600 - total flux cleaned = -0.00129835 Jy ! Component: 1650 - total flux cleaned = -0.00123204 Jy ! Component: 1700 - total flux cleaned = -0.00116673 Jy ! Component: 1750 - total flux cleaned = -0.00108059 Jy ! Component: 1800 - total flux cleaned = -0.00101686 Jy ! Component: 1850 - total flux cleaned = -0.000932622 Jy ! Component: 1900 - total flux cleaned = -0.000870124 Jy ! Component: 1950 - total flux cleaned = -0.000747056 Jy ! Component: 2000 - total flux cleaned = -0.000706866 Jy ! Component: 2050 - total flux cleaned = -0.000606929 Jy ! Component: 2100 - total flux cleaned = -0.00050797 Jy ! Component: 2150 - total flux cleaned = -0.00044902 Jy ! Component: 2200 - total flux cleaned = -0.000429833 Jy ! Component: 2250 - total flux cleaned = -0.000353472 Jy ! Component: 2300 - total flux cleaned = -0.000334685 Jy ! Component: 2350 - total flux cleaned = -0.000334551 Jy ! Component: 2400 - total flux cleaned = -0.000297026 Jy ! Component: 2450 - total flux cleaned = -0.000296873 Jy ! Component: 2500 - total flux cleaned = -0.000278474 Jy ! Component: 2550 - total flux cleaned = -0.00022433 Jy ! Component: 2600 - total flux cleaned = -0.000206358 Jy ! Component: 2650 - total flux cleaned = -0.000206067 Jy ! Component: 2700 - total flux cleaned = -0.00013587 Jy ! Component: 2750 - total flux cleaned = -0.000153221 Jy ! Component: 2800 - total flux cleaned = -0.000101944 Jy ! Component: 2850 - total flux cleaned = -8.49494e-05 Jy ! Component: 2900 - total flux cleaned = -3.45643e-05 Jy ! Component: 2950 - total flux cleaned = -1.77935e-05 Jy ! Component: 3000 - total flux cleaned = 3.18476e-05 Jy ! Component: 3050 - total flux cleaned = -1.13524e-06 Jy ! Component: 3100 - total flux cleaned = 1.49842e-05 Jy ! Component: 3150 - total flux cleaned = 1.49977e-05 Jy ! Component: 3200 - total flux cleaned = 9.51736e-05 Jy ! Component: 3250 - total flux cleaned = 3.10265e-05 Jy ! Component: 3300 - total flux cleaned = -1.61693e-05 Jy ! Component: 3350 - total flux cleaned = -3.66948e-07 Jy ! Component: 3400 - total flux cleaned = -3.14014e-05 Jy ! Component: 3450 - total flux cleaned = -0.000123854 Jy ! Component: 3500 - total flux cleaned = -7.77273e-05 Jy ! Component: 3550 - total flux cleaned = -0.00013849 Jy ! Component: 3600 - total flux cleaned = -9.34295e-05 Jy ! Component: 3650 - total flux cleaned = -0.000228339 Jy ! Component: 3700 - total flux cleaned = -0.000228131 Jy ! Component: 3750 - total flux cleaned = -0.000257608 Jy ! Component: 3800 - total flux cleaned = -0.000301589 Jy ! Component: 3850 - total flux cleaned = -0.000374357 Jy ! Component: 3900 - total flux cleaned = -0.000388796 Jy ! Component: 3950 - total flux cleaned = -0.000403077 Jy ! Component: 4000 - total flux cleaned = -0.000517233 Jy ! Component: 4050 - total flux cleaned = -0.000517406 Jy ! Total flux subtracted in 4096 components = -0.000587766 Jy ! Clean residual min=-0.000702 max=0.000775 Jy/beam ! Clean residual mean=-0.000000 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.349995 Jy keep ! Adding 291 model components to the UV plane model. ! The established model now contains 477 components and 0.349995 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1535+4957_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.992 x 8.949 at -16.13 degrees (North through East) ! Clean map min=-0.0024861 max=0.31706 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1535+4957_S_map.fits wmodel /vlbi/bp222/maps//J1535+4957_S_map.mod ! Writing 477 model components to file: /vlbi/bp222/maps//J1535+4957_S_map.mod wobs /vlbi/bp222/maps//J1535+4957_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1535+4957_S_uvs.fits wwins /vlbi/bp222/maps//J1535+4957_S_map.win ! wwins: Wrote 8 windows to /vlbi/bp222/maps//J1535+4957_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.317063 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000263752 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.249558 0.249558 0.499115 0.998231 1.99646 3.99292 7.98585 15.9717 31.9434 63.8868 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.317 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1202.13 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1535+4957_S_dfm.log closed on Thu Sep 27 11:20:16 2018