! Started logfile: /vlbi/bp222/maps//J1925+2106_S_dfm.log on Thu Sep 27 11:31:50 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//J1925+2106_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1925+2106_S_uvm.fits ! AN table 1: 16 integrations on 45 of 45 possible baselines. ! AN table 2: 16 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1.56421 visibilities/baseline/integration-bin. ! Found source: J1925+2106 ! ! 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 7308 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 J1925+2106_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 12 telescope corrections were flagged in sub-array 1. ! A total of 4 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 4 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 4 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 102 telescope corrections were flagged in sub-array 1. ! A total of 69 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.399363Jy sigma=29.392629 ! Fit after self-cal, rms=0.439945Jy sigma=9.367661 ! 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=2.397 mas, bmaj=7.309 mas, bpa=-9.77 degrees ! Estimated noise=0.805465 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 = 0.569583 Jy ! Component: 100 - total flux cleaned = 0.820021 Jy ! Total flux subtracted in 100 components = 0.820021 Jy ! Clean residual min=-0.049294 max=0.117995 Jy/beam ! Clean residual mean=0.000241 rms=0.019257 Jy/beam ! Combined flux in latest and established models = 0.820021 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.820021 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.331184Jy sigma=6.547663 ! Fit after self-cal, rms=0.331161Jy sigma=6.545489 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.138634 Jy ! Component: 100 - total flux cleaned = 0.221508 Jy ! Total flux subtracted in 100 components = 0.221508 Jy ! Clean residual min=-0.031503 max=0.079137 Jy/beam ! Clean residual mean=0.000134 rms=0.011410 Jy/beam ! Combined flux in latest and established models = 1.04153 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 16 components and 1.04153 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228997Jy sigma=4.155673 ! Fit after self-cal, rms=0.228960Jy sigma=4.152315 ! Inverting map ! Added new window around map position (-3.5, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0755936 Jy ! Component: 100 - total flux cleaned = 0.121729 Jy ! Total flux subtracted in 100 components = 0.121729 Jy ! Clean residual min=-0.023057 max=0.046363 Jy/beam ! Clean residual mean=0.000077 rms=0.007640 Jy/beam ! Combined flux in latest and established models = 1.16326 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 30 components and 1.16326 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195578Jy sigma=3.158487 ! Fit after self-cal, rms=0.193130Jy sigma=3.101588 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.975 mas, bmaj=8.282 mas, bpa=-9.401 degrees ! Estimated noise=0.612314 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 = 0.0556599 Jy ! Component: 100 - total flux cleaned = 0.0884768 Jy ! Component: 150 - total flux cleaned = 0.109237 Jy ! Component: 200 - total flux cleaned = 0.123073 Jy ! Total flux subtracted in 200 components = 0.123073 Jy ! Clean residual min=-0.020054 max=0.035119 Jy/beam ! Clean residual mean=0.000071 rms=0.006537 Jy/beam ! Combined flux in latest and established models = 1.28633 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 60 components and 1.28633 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182530Jy sigma=2.532011 ! Fit after self-cal, rms=0.181733Jy sigma=2.509853 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.975 x 8.282 at -9.401 degrees (North through East) ! Clean map min=-0.019173 max=0.79565 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.97 HN 1.01 KP 1.00 ! LA 0.93 MK 1.06 NL 1.00 OV 0.97 ! PT 0.98 SC 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.00 LA 0.95 MK 1.15 ! NL 0.95 OV 1.01 PT 0.96 SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 1.01 KP 0.96 ! LA 0.96 MK 1.05 NL 1.07 OV 0.98 ! PT 0.96 SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.00 LA 0.95 MK 1.05 ! NL 0.99 OV 1.00 PT 0.98 SC 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00 HN 1.01 KP 0.97 ! LA 0.96 MK 1.04 NL 1.13 OV 0.95 ! PT 0.95 SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 LA 0.95 MK 1.03 ! NL 1.02 OV 1.02 PT 0.97 SC 1.04 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 HN 0.95 KP 1.00* ! LA 2.09 MK 1.00* NL 1.00* OV 1.00* ! PT 0.92 SC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 10.10 LA 2.01 MK 1.00* ! NL 1.00* OV 1.07 PT 0.95 SC 1.00* ! ! ! Fit before self-cal, rms=0.181733Jy sigma=2.509853 ! Fit after self-cal, rms=0.080208Jy sigma=1.450292 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.031 mas, bmaj=8.331 mas, bpa=-9.47 degrees ! Estimated noise=0.618869 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 (-8, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0266455 Jy ! Component: 100 - total flux cleaned = 0.0304825 Jy ! Component: 150 - total flux cleaned = 0.0316104 Jy ! Component: 200 - total flux cleaned = 0.0322703 Jy ! Total flux subtracted in 200 components = 0.0322703 Jy ! Clean residual min=-0.009494 max=0.014655 Jy/beam ! Clean residual mean=-0.000011 rms=0.002967 Jy/beam ! Combined flux in latest and established models = 1.3186 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 85 components and 1.3186 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069131Jy sigma=1.245202 ! Fit after self-cal, rms=0.068053Jy sigma=1.222014 ! 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=0.068053Jy sigma=1.222014 ! Fit after self-cal, rms=0.067105Jy sigma=1.203089 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.032 mas, bmaj=8.327 mas, bpa=-9.555 degrees ! Estimated noise=0.61837 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0121965 Jy ! Component: 100 - total flux cleaned = 0.0135861 Jy ! Component: 150 - total flux cleaned = 0.0138181 Jy ! Component: 200 - total flux cleaned = 0.0136078 Jy ! Total flux subtracted in 200 components = 0.0136078 Jy ! Clean residual min=-0.006859 max=0.012614 Jy/beam ! Clean residual mean=-0.000002 rms=0.002175 Jy/beam ! Combined flux in latest and established models = 1.33221 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 98 components and 1.33221 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063909Jy sigma=1.148149 ! Fit after self-cal, rms=0.063596Jy sigma=1.141018 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 (4, -0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00527304 Jy ! Component: 100 - total flux cleaned = 0.00607189 Jy ! Component: 150 - total flux cleaned = 0.00542608 Jy ! Component: 200 - total flux cleaned = 0.00446678 Jy ! Total flux subtracted in 200 components = 0.00446678 Jy ! Clean residual min=-0.005210 max=0.007179 Jy/beam ! Clean residual mean=-0.000009 rms=0.001695 Jy/beam ! Combined flux in latest and established models = 1.33668 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 117 components and 1.33668 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061440Jy sigma=1.096426 ! Fit after self-cal, rms=0.061321Jy sigma=1.094220 ! Inverting map ! Added new window around map position (11.5, -28). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0061378 Jy ! Component: 100 - total flux cleaned = 0.00652795 Jy ! Component: 150 - total flux cleaned = 0.00636817 Jy ! Component: 200 - total flux cleaned = 0.00608853 Jy ! Total flux subtracted in 200 components = 0.00608853 Jy ! Clean residual min=-0.004996 max=0.006036 Jy/beam ! Clean residual mean=-0.000014 rms=0.001356 Jy/beam ! Combined flux in latest and established models = 1.34276 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 133 components and 1.34276 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060085Jy sigma=1.065565 ! Fit after self-cal, rms=0.060054Jy sigma=1.064846 ! Inverting map ! Added new window around map position (-42.5, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00502932 Jy ! Component: 100 - total flux cleaned = 0.00611141 Jy ! Component: 150 - total flux cleaned = 0.00623624 Jy ! Component: 200 - total flux cleaned = 0.00592013 Jy ! Total flux subtracted in 200 components = 0.00592013 Jy ! Clean residual min=-0.004743 max=0.004163 Jy/beam ! Clean residual mean=-0.000012 rms=0.001137 Jy/beam ! Combined flux in latest and established models = 1.34868 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 149 components and 1.34868 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059421Jy sigma=1.049983 ! Fit after self-cal, rms=0.059406Jy sigma=1.049683 ! 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=0.059406Jy sigma=1.049683 ! Fit after self-cal, rms=0.059113Jy sigma=1.044231 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.026 mas, bmaj=8.324 mas, bpa=-9.613 degrees ! Estimated noise=0.617548 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00374346 Jy ! Component: 100 - total flux cleaned = 0.00561284 Jy ! Component: 150 - total flux cleaned = 0.00642783 Jy ! Component: 200 - total flux cleaned = 0.00657839 Jy ! Total flux subtracted in 200 components = 0.00657839 Jy ! Clean residual min=-0.003904 max=0.003388 Jy/beam ! Clean residual mean=-0.000009 rms=0.000936 Jy/beam ! Combined flux in latest and established models = 1.35526 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 167 components and 1.35526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058736Jy sigma=1.037438 ! Fit after self-cal, rms=0.058725Jy sigma=1.037095 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 = 0.000958382 Jy ! Component: 100 - total flux cleaned = 0.000824102 Jy ! Component: 150 - total flux cleaned = 0.000694964 Jy ! Component: 200 - total flux cleaned = 0.000515972 Jy ! Total flux subtracted in 200 components = 0.000515972 Jy ! Clean residual min=-0.003590 max=0.003206 Jy/beam ! Clean residual mean=-0.000008 rms=0.000870 Jy/beam ! Combined flux in latest and established models = 1.35578 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 185 components and 1.35578 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058578Jy sigma=1.034263 ! Fit after self-cal, rms=0.058577Jy sigma=1.034151 ! 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=0.058577Jy sigma=1.034151 ! Fit after self-cal, rms=0.058533Jy sigma=1.033323 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.21 mas, bmaj=10.99 mas, bpa=-7.369 degrees ! Estimated noise=0.806674 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000793471 Jy ! Component: 100 - total flux cleaned = 0.00111728 Jy ! Component: 150 - total flux cleaned = 0.00154656 Jy ! Component: 200 - total flux cleaned = 0.00192129 Jy ! Total flux subtracted in 200 components = 0.00192129 Jy ! Clean residual min=-0.004155 max=0.003566 Jy/beam ! Clean residual mean=-0.000009 rms=0.001129 Jy/beam ! Combined flux in latest and established models = 1.3577 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 207 components and 1.3577 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058372Jy sigma=1.031618 ! Fit after self-cal, rms=0.058366Jy sigma=1.031436 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 = 0.000178329 Jy ! Component: 100 - total flux cleaned = 0.000554882 Jy ! Component: 150 - total flux cleaned = 0.000797498 Jy ! Component: 200 - total flux cleaned = 0.000933327 Jy ! Total flux subtracted in 200 components = 0.000933327 Jy ! Clean residual min=-0.003715 max=0.003437 Jy/beam ! Clean residual mean=-0.000009 rms=0.001040 Jy/beam ! Combined flux in latest and established models = 1.35863 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 226 components and 1.35863 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058316Jy sigma=1.030786 ! Fit after self-cal, rms=0.058317Jy sigma=1.030702 ! 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=3.022 mas, bmaj=8.323 mas, bpa=-9.639 degrees ! Estimated noise=0.617167 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.022 x 8.323 at -9.639 degrees (North through East) ! Clean map min=-0.0062062 max=0.79883 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=0.058317Jy sigma=1.030702 ! Fit after self-cal, rms=0.051242Jy sigma=0.938027 ! Inverting map and beam ! Estimated beam: bmin=3.021 mas, bmaj=8.321 mas, bpa=-9.633 degrees ! Estimated noise=0.617336 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00138789 Jy ! Component: 100 - total flux cleaned = 0.00192629 Jy ! Component: 150 - total flux cleaned = 0.00226713 Jy ! Component: 200 - total flux cleaned = 0.00253372 Jy ! Total flux subtracted in 200 components = 0.00253372 Jy ! Clean residual min=-0.002960 max=0.002856 Jy/beam ! Clean residual mean=-0.000005 rms=0.000721 Jy/beam ! Combined flux in latest and established models = 1.36117 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 254 components and 1.36117 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051140Jy sigma=0.935669 ! Fit after self-cal, rms=0.051138Jy sigma=0.935606 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000275968 Jy ! Component: 100 - total flux cleaned = 0.000318095 Jy ! Component: 150 - total flux cleaned = 0.000435385 Jy ! Component: 200 - total flux cleaned = 0.000397765 Jy ! Total flux subtracted in 200 components = 0.000397765 Jy ! Clean residual min=-0.002779 max=0.002761 Jy/beam ! Clean residual mean=-0.000006 rms=0.000699 Jy/beam ! Combined flux in latest and established models = 1.36157 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 272 components and 1.36157 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051085Jy sigma=0.934349 ! Fit after self-cal, rms=0.051084Jy sigma=0.934320 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051084Jy sigma=0.934320 ! Fit after self-cal, rms=0.051097Jy sigma=0.934125 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=2.429 mas, bmaj=7.337 mas, bpa=-9.998 degrees ! Estimated noise=0.819725 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.576274 Jy ! Component: 100 - total flux cleaned = 0.825669 Jy ! Component: 150 - total flux cleaned = 0.964187 Jy ! Component: 200 - total flux cleaned = 1.05602 Jy ! Total flux subtracted in 200 components = 1.05602 Jy ! Clean residual min=-0.028250 max=0.050591 Jy/beam ! Clean residual mean=0.000131 rms=0.009847 Jy/beam ! Combined flux in latest and established models = 1.05602 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 25 model components to the UV plane model. ! The established model now contains 25 components and 1.05602 Jy ! Inverting map and beam ! Estimated beam: bmin=3.019 mas, bmaj=8.32 mas, bpa=-9.648 degrees ! Estimated noise=0.617126 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 = 0.0990003 Jy ! Component: 100 - total flux cleaned = 0.160247 Jy ! Component: 150 - total flux cleaned = 0.200715 Jy ! Component: 200 - total flux cleaned = 0.228397 Jy ! Total flux subtracted in 200 components = 0.228397 Jy ! Clean residual min=-0.009917 max=0.015193 Jy/beam ! Clean residual mean=0.000081 rms=0.003687 Jy/beam ! Combined flux in latest and established models = 1.28441 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 57 components and 1.28441 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=7.206 mas, bmaj=10.98 mas, bpa=-7.387 degrees ! Estimated noise=0.807562 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0326869 Jy ! Component: 100 - total flux cleaned = 0.0501153 Jy ! Component: 150 - total flux cleaned = 0.0610226 Jy ! Component: 200 - total flux cleaned = 0.0685706 Jy ! Total flux subtracted in 200 components = 0.0685706 Jy ! Clean residual min=-0.008209 max=0.006962 Jy/beam ! Clean residual mean=-0.000005 rms=0.002308 Jy/beam ! Combined flux in latest and established models = 1.35298 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 = 0.00406601 Jy ! Component: 100 - total flux cleaned = 0.00584827 Jy ! Component: 150 - total flux cleaned = 0.00655842 Jy ! Component: 200 - total flux cleaned = 0.00703661 Jy ! Total flux subtracted in 200 components = 0.00703661 Jy ! Clean residual min=-0.007053 max=0.005279 Jy/beam ! Clean residual mean=-0.000014 rms=0.001756 Jy/beam ! Combined flux in latest and established models = 1.36002 Jy ! Adding 81 model components to the UV plane model. ! The established model now contains 125 components and 1.36002 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.019 mas, bmaj=8.32 mas, bpa=-9.648 degrees ! Estimated noise=0.617126 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00174939 Jy ! Component: 100 - total flux cleaned = 0.00190673 Jy ! Component: 150 - total flux cleaned = 0.0021633 Jy ! Component: 200 - total flux cleaned = 0.00274531 Jy ! Total flux subtracted in 200 components = 0.00274531 Jy ! Clean residual min=-0.004224 max=0.003769 Jy/beam ! Clean residual mean=-0.000009 rms=0.001013 Jy/beam ! Combined flux in latest and established models = 1.36276 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 153 components and 1.36276 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051874Jy sigma=0.951074 ! Fit after self-cal, rms=0.051804Jy sigma=0.949691 wmodel J1925+2106_S_map.mod ! Writing 153 model components to file: J1925+2106_S_map.mod wobs J1925+2106_S_uvs.fits ! Writing UV FITS file: J1925+2106_S_uvs.fits wwins J1925+2106_S_map.win ! wwins: Wrote 6 windows to J1925+2106_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 = -0.000614785 Jy ! Component: 100 - total flux cleaned = -0.000810231 Jy ! Component: 150 - total flux cleaned = -0.000869536 Jy ! Component: 200 - total flux cleaned = -0.00076033 Jy ! Component: 250 - total flux cleaned = -0.000554181 Jy ! Component: 300 - total flux cleaned = -0.000455876 Jy ! Component: 350 - total flux cleaned = -0.000174164 Jy ! Component: 400 - total flux cleaned = 0.000229395 Jy ! Component: 450 - total flux cleaned = 0.000660634 Jy ! Component: 500 - total flux cleaned = 0.00107582 Jy ! Component: 550 - total flux cleaned = 0.00143784 Jy ! Component: 600 - total flux cleaned = 0.00182765 Jy ! Component: 650 - total flux cleaned = 0.00216739 Jy ! Component: 700 - total flux cleaned = 0.00249782 Jy ! Component: 750 - total flux cleaned = 0.00285293 Jy ! Component: 800 - total flux cleaned = 0.00316303 Jy ! Component: 850 - total flux cleaned = 0.00339759 Jy ! Component: 900 - total flux cleaned = 0.00369121 Jy ! Component: 950 - total flux cleaned = 0.00400915 Jy ! Component: 1000 - total flux cleaned = 0.00422499 Jy ! Component: 1050 - total flux cleaned = 0.00443564 Jy ! Component: 1100 - total flux cleaned = 0.00458224 Jy ! Component: 1150 - total flux cleaned = 0.00469676 Jy ! Component: 1200 - total flux cleaned = 0.00497574 Jy ! Component: 1250 - total flux cleaned = 0.00508416 Jy ! Component: 1300 - total flux cleaned = 0.00524339 Jy ! Component: 1350 - total flux cleaned = 0.00532145 Jy ! Component: 1400 - total flux cleaned = 0.00547377 Jy ! Component: 1450 - total flux cleaned = 0.00567259 Jy ! Component: 1500 - total flux cleaned = 0.00567252 Jy ! Component: 1550 - total flux cleaned = 0.00576814 Jy ! Component: 1600 - total flux cleaned = 0.00583902 Jy ! Component: 1650 - total flux cleaned = 0.00597787 Jy ! Component: 1700 - total flux cleaned = 0.00611391 Jy ! Component: 1750 - total flux cleaned = 0.0061582 Jy ! Component: 1800 - total flux cleaned = 0.00631122 Jy ! Component: 1850 - total flux cleaned = 0.00641839 Jy ! Component: 1900 - total flux cleaned = 0.00650254 Jy ! Component: 1950 - total flux cleaned = 0.00658548 Jy ! Component: 2000 - total flux cleaned = 0.00656531 Jy ! Component: 2050 - total flux cleaned = 0.0066861 Jy ! Component: 2100 - total flux cleaned = 0.00666573 Jy ! Component: 2150 - total flux cleaned = 0.00668534 Jy ! Component: 2200 - total flux cleaned = 0.00672422 Jy ! Component: 2250 - total flux cleaned = 0.0067814 Jy ! Component: 2300 - total flux cleaned = 0.00685647 Jy ! Component: 2350 - total flux cleaned = 0.00683799 Jy ! Component: 2400 - total flux cleaned = 0.00687456 Jy ! Component: 2450 - total flux cleaned = 0.00694623 Jy ! Component: 2500 - total flux cleaned = 0.00694608 Jy ! Component: 2550 - total flux cleaned = 0.00694627 Jy ! Component: 2600 - total flux cleaned = 0.00701523 Jy ! Component: 2650 - total flux cleaned = 0.00701537 Jy ! Component: 2700 - total flux cleaned = 0.00704909 Jy ! Component: 2750 - total flux cleaned = 0.00708226 Jy ! Component: 2800 - total flux cleaned = 0.00711485 Jy ! Component: 2850 - total flux cleaned = 0.00716366 Jy ! Component: 2900 - total flux cleaned = 0.00721183 Jy ! Component: 2950 - total flux cleaned = 0.00722761 Jy ! Component: 3000 - total flux cleaned = 0.00725891 Jy ! Component: 3050 - total flux cleaned = 0.00733647 Jy ! Component: 3100 - total flux cleaned = 0.00739762 Jy ! Component: 3150 - total flux cleaned = 0.00747326 Jy ! Component: 3200 - total flux cleaned = 0.00753304 Jy ! Component: 3250 - total flux cleaned = 0.00762186 Jy ! Component: 3300 - total flux cleaned = 0.00768045 Jy ! Component: 3350 - total flux cleaned = 0.00766587 Jy ! Component: 3400 - total flux cleaned = 0.00775225 Jy ! Component: 3450 - total flux cleaned = 0.00779502 Jy ! Component: 3500 - total flux cleaned = 0.0078797 Jy ! Component: 3550 - total flux cleaned = 0.00787975 Jy ! Component: 3600 - total flux cleaned = 0.00794919 Jy ! Component: 3650 - total flux cleaned = 0.0080179 Jy ! Component: 3700 - total flux cleaned = 0.00804511 Jy ! Component: 3750 - total flux cleaned = 0.00809925 Jy ! Component: 3800 - total flux cleaned = 0.00813949 Jy ! Component: 3850 - total flux cleaned = 0.00813956 Jy ! Component: 3900 - total flux cleaned = 0.00816612 Jy ! Component: 3950 - total flux cleaned = 0.00816613 Jy ! Component: 4000 - total flux cleaned = 0.00815326 Jy ! Component: 4050 - total flux cleaned = 0.00816617 Jy ! Total flux subtracted in 4096 components = 0.00812781 Jy ! Clean residual min=-0.000741 max=0.000953 Jy/beam ! Clean residual mean=0.000001 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 1.37089 Jy keep ! Adding 322 model components to the UV plane model. ! The established model now contains 475 components and 1.37089 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1925+2106_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.019 x 8.32 at -9.648 degrees (North through East) ! Clean map min=-0.0027597 max=0.80155 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1925+2106_S_map.fits wmodel /vlbi/bp222/maps//J1925+2106_S_map.mod ! Writing 475 model components to file: /vlbi/bp222/maps//J1925+2106_S_map.mod wobs /vlbi/bp222/maps//J1925+2106_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1925+2106_S_uvs.fits wwins /vlbi/bp222/maps//J1925+2106_S_map.win ! wwins: Wrote 7 windows to /vlbi/bp222/maps//J1925+2106_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.801554 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000225025 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0842209 0.0842209 0.168442 0.336883 0.673767 1.34753 2.69507 5.39013 10.7803 21.5605 43.1211 86.2422 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.801 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3562.06 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1925+2106_S_dfm.log closed on Thu Sep 27 11:31:54 2018