! Started logfile: /vlbi/uf001/uvm//J1727+4530_S_a_dfm.log on Sun Jan 13 22:07:01 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/uvm//J1727+4530_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1727+4530_S_a_uvm.fits ! AN table 1: 56 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.778968 visibilities/baseline/integration-bin. ! Found source: J1727+4530 ! ! 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 5889 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 J1727+4530_S_a] 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 91 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 91 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 91 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=2.301015Jy sigma=21.339060 ! Fit after self-cal, rms=1.080186Jy sigma=9.905734 ! 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=2.778 mas, bmaj=4.622 mas, bpa=-11.24 degrees ! Estimated noise=1.29269 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.56622 Jy ! Component: 100 - total flux cleaned = 1.90777 Jy ! Total flux subtracted in 100 components = 1.90777 Jy ! Clean residual min=-0.030143 max=0.095602 Jy/beam ! Clean residual mean=-0.000100 rms=0.007556 Jy/beam ! Combined flux in latest and established models = 1.90777 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 1.90777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.278925Jy sigma=2.875050 ! Fit after self-cal, rms=0.278917Jy sigma=2.875004 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0915667 Jy ! Component: 100 - total flux cleaned = 0.129591 Jy ! Total flux subtracted in 100 components = 0.129591 Jy ! Clean residual min=-0.026337 max=0.030071 Jy/beam ! Clean residual mean=-0.000076 rms=0.006996 Jy/beam ! Combined flux in latest and established models = 2.03736 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 9 components and 2.03736 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.233821Jy sigma=2.638487 ! Fit after self-cal, rms=0.233810Jy sigma=2.638422 ! 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=3.401 mas, bmaj=5.561 mas, bpa=-10.75 degrees ! Estimated noise=1.05312 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 = 0.0274457 Jy ! Component: 100 - total flux cleaned = 0.0386309 Jy ! Component: 150 - total flux cleaned = 0.0422216 Jy ! Component: 200 - total flux cleaned = 0.0420327 Jy ! Total flux subtracted in 200 components = 0.0420327 Jy ! Clean residual min=-0.028541 max=0.029582 Jy/beam ! Clean residual mean=-0.000158 rms=0.007385 Jy/beam ! Combined flux in latest and established models = 2.07939 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 20 components and 2.07939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.228510Jy sigma=2.635160 ! Fit after self-cal, rms=0.228489Jy sigma=2.635051 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.401 x 5.561 at -10.75 degrees (North through East) ! Clean map min=-0.028048 max=2.0266 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HN 0.98 KP 0.99 ! LA 0.95 MK 0.99 NL 1.01 OV 0.98 ! PT 1.07 SC 0.99 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 1.00 KP 1.01 ! LA 0.95 MK 0.99 NL 1.02 OV 0.97 ! PT 1.06 SC 0.99 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HN 1.01 KP 1.07 ! LA 0.94 MK 1.04 NL 1.04 OV 0.99 ! PT 1.06 SC 1.00 ! ! ! Fit before self-cal, rms=0.228489Jy sigma=2.635051 ! Fit after self-cal, rms=0.233296Jy sigma=2.489815 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.41 mas, bmaj=5.557 mas, bpa=-10.84 degrees ! Estimated noise=1.06245 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 = 0.0132725 Jy ! Component: 100 - total flux cleaned = 0.015861 Jy ! Component: 150 - total flux cleaned = 0.0158486 Jy ! Component: 200 - total flux cleaned = 0.0155867 Jy ! Total flux subtracted in 200 components = 0.0155867 Jy ! Clean residual min=-0.026755 max=0.023688 Jy/beam ! Clean residual mean=-0.000132 rms=0.006879 Jy/beam ! Combined flux in latest and established models = 2.09498 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 28 components and 2.09498 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.231399Jy sigma=2.492511 ! Fit after self-cal, rms=0.231386Jy sigma=2.492438 ! 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=0.231386Jy sigma=2.492438 ! Fit after self-cal, rms=0.065189Jy sigma=0.544424 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.409 mas, bmaj=5.555 mas, bpa=-10.84 degrees ! Estimated noise=1.06197 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00075716 Jy ! Component: 100 - total flux cleaned = 0.000761669 Jy ! Component: 150 - total flux cleaned = 0.000760985 Jy ! Component: 200 - total flux cleaned = 0.000761775 Jy ! Total flux subtracted in 200 components = 0.000761775 Jy ! Clean residual min=-0.003083 max=0.006634 Jy/beam ! Clean residual mean=0.000000 rms=0.000725 Jy/beam ! Combined flux in latest and established models = 2.09574 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 39 components and 2.09574 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065128Jy sigma=0.543878 ! Fit after self-cal, rms=0.065142Jy sigma=0.543477 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 (-5.5, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00626192 Jy ! Component: 100 - total flux cleaned = 0.0091287 Jy ! Component: 150 - total flux cleaned = 0.00957634 Jy ! Component: 200 - total flux cleaned = 0.00964901 Jy ! Total flux subtracted in 200 components = 0.00964901 Jy ! Clean residual min=-0.002615 max=0.003198 Jy/beam ! Clean residual mean=0.000002 rms=0.000660 Jy/beam ! Combined flux in latest and established models = 2.10539 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 65 components and 2.10539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064506Jy sigma=0.537641 ! Fit after self-cal, rms=0.064426Jy sigma=0.536989 ! Inverting map ! Added new window around map position (-13.5, -4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0022521 Jy ! Component: 100 - total flux cleaned = 0.00251794 Jy ! Component: 150 - total flux cleaned = 0.00258469 Jy ! Component: 200 - total flux cleaned = 0.00252735 Jy ! Total flux subtracted in 200 components = 0.00252735 Jy ! Clean residual min=-0.002599 max=0.002855 Jy/beam ! Clean residual mean=0.000003 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 2.10792 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 82 components and 2.10792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064217Jy sigma=0.534918 ! Fit after self-cal, rms=0.064197Jy sigma=0.534776 ! Inverting map ! Added new window around map position (-28, 26). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187758 Jy ! Component: 100 - total flux cleaned = 0.00235502 Jy ! Component: 150 - total flux cleaned = 0.00235417 Jy ! Component: 200 - total flux cleaned = 0.00235472 Jy ! Total flux subtracted in 200 components = 0.00235472 Jy ! Clean residual min=-0.002483 max=0.002780 Jy/beam ! Clean residual mean=0.000002 rms=0.000627 Jy/beam ! Combined flux in latest and established models = 2.11027 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 100 components and 2.11027 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064048Jy sigma=0.533353 ! Fit after self-cal, rms=0.064040Jy sigma=0.533267 ! Inverting map ! Added new window around map position (-90.5, 72). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000613319 Jy ! Component: 100 - total flux cleaned = 0.000828404 Jy ! Component: 150 - total flux cleaned = 0.000776554 Jy ! Component: 200 - total flux cleaned = 0.000970929 Jy ! Total flux subtracted in 200 components = 0.000970929 Jy ! Clean residual min=-0.002498 max=0.002562 Jy/beam ! Clean residual mean=0.000002 rms=0.000617 Jy/beam ! Combined flux in latest and established models = 2.11124 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 115 components and 2.11124 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.063898Jy sigma=0.531981 ! Fit after self-cal, rms=0.063889Jy sigma=0.531905 ! 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=0.063889Jy sigma=0.531905 ! Fit after self-cal, rms=0.062823Jy sigma=0.519564 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.409 mas, bmaj=5.554 mas, bpa=-10.81 degrees ! Estimated noise=1.06216 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00248706 Jy ! Component: 100 - total flux cleaned = 0.00372543 Jy ! Component: 150 - total flux cleaned = 0.00427414 Jy ! Component: 200 - total flux cleaned = 0.00458713 Jy ! Total flux subtracted in 200 components = 0.00458713 Jy ! Clean residual min=-0.002363 max=0.002215 Jy/beam ! Clean residual mean=0.000003 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 2.11583 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 132 components and 2.11583 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062698Jy sigma=0.518321 ! Fit after self-cal, rms=0.062690Jy sigma=0.518225 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 = 0.000787862 Jy ! Component: 100 - total flux cleaned = 0.00103109 Jy ! Component: 150 - total flux cleaned = 0.00118323 Jy ! Component: 200 - total flux cleaned = 0.00129217 Jy ! Total flux subtracted in 200 components = 0.00129217 Jy ! Clean residual min=-0.002364 max=0.002206 Jy/beam ! Clean residual mean=0.000003 rms=0.000555 Jy/beam ! Combined flux in latest and established models = 2.11712 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 147 components and 2.11712 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062644Jy sigma=0.517785 ! Fit after self-cal, rms=0.062642Jy sigma=0.517773 ! 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=0.062642Jy sigma=0.517773 ! Fit after self-cal, rms=0.062607Jy sigma=0.517489 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.442 mas, bmaj=8.869 mas, bpa=-12.11 degrees ! Estimated noise=1.39854 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00168419 Jy ! Component: 100 - total flux cleaned = 0.00266464 Jy ! Component: 150 - total flux cleaned = 0.00314652 Jy ! Component: 200 - total flux cleaned = 0.00334832 Jy ! Total flux subtracted in 200 components = 0.00334832 Jy ! Clean residual min=-0.002889 max=0.002970 Jy/beam ! Clean residual mean=0.000007 rms=0.000747 Jy/beam ! Combined flux in latest and established models = 2.12047 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 168 components and 2.12047 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062569Jy sigma=0.517133 ! Fit after self-cal, rms=0.062563Jy sigma=0.517096 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 = 0.000495103 Jy ! Component: 100 - total flux cleaned = 0.000675634 Jy ! Component: 150 - total flux cleaned = 0.000798261 Jy ! Component: 200 - total flux cleaned = 0.000928977 Jy ! Total flux subtracted in 200 components = 0.000928977 Jy ! Clean residual min=-0.002879 max=0.002979 Jy/beam ! Clean residual mean=0.000007 rms=0.000746 Jy/beam ! Combined flux in latest and established models = 2.1214 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 183 components and 2.1214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062551Jy sigma=0.517001 ! Fit after self-cal, rms=0.062548Jy sigma=0.516995 ! 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=3.409 mas, bmaj=5.553 mas, bpa=-10.8 degrees ! Estimated noise=1.06227 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.409 x 5.553 at -10.8 degrees (North through East) ! Clean map min=-0.0022384 max=2.0401 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. ! ! Fit before self-cal, rms=0.062548Jy sigma=0.516995 ! Fit after self-cal, rms=0.056943Jy sigma=0.457063 ! Inverting map and beam ! Estimated beam: bmin=3.409 mas, bmaj=5.553 mas, bpa=-10.8 degrees ! Estimated noise=1.06242 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000927739 Jy ! Component: 100 - total flux cleaned = 0.00125707 Jy ! Component: 150 - total flux cleaned = 0.00135626 Jy ! Component: 200 - total flux cleaned = 0.00141721 Jy ! Total flux subtracted in 200 components = 0.00141721 Jy ! Clean residual min=-0.002380 max=0.002328 Jy/beam ! Clean residual mean=0.000001 rms=0.000537 Jy/beam ! Combined flux in latest and established models = 2.12282 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 197 components and 2.12282 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056901Jy sigma=0.456706 ! Fit after self-cal, rms=0.056904Jy sigma=0.456692 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000228617 Jy ! Component: 100 - total flux cleaned = 0.000345387 Jy ! Component: 150 - total flux cleaned = 0.000372277 Jy ! Component: 200 - total flux cleaned = 0.000425235 Jy ! Total flux subtracted in 200 components = 0.000425235 Jy ! Clean residual min=-0.002380 max=0.002314 Jy/beam ! Clean residual mean=0.000001 rms=0.000535 Jy/beam ! Combined flux in latest and established models = 2.12324 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 204 components and 2.12324 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056878Jy sigma=0.456454 ! Fit after self-cal, rms=0.056880Jy sigma=0.456451 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056880Jy sigma=0.456451 ! Fit after self-cal, rms=0.056884Jy sigma=0.456397 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=2.78 mas, bmaj=4.615 mas, bpa=-11.3 degrees ! Estimated noise=1.30544 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.5829 Jy ! Component: 100 - total flux cleaned = 1.9282 Jy ! Component: 150 - total flux cleaned = 2.02248 Jy ! Component: 200 - total flux cleaned = 2.06185 Jy ! Total flux subtracted in 200 components = 2.06185 Jy ! Clean residual min=-0.004692 max=0.016764 Jy/beam ! Clean residual mean=-0.000010 rms=0.001062 Jy/beam ! Combined flux in latest and established models = 2.06185 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 9 model components to the UV plane model. ! The established model now contains 9 components and 2.06185 Jy ! Inverting map and beam ! Estimated beam: bmin=3.409 mas, bmaj=5.553 mas, bpa=-10.79 degrees ! Estimated noise=1.06258 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 = 0.0227857 Jy ! Component: 100 - total flux cleaned = 0.0348857 Jy ! Component: 150 - total flux cleaned = 0.0426234 Jy ! Component: 200 - total flux cleaned = 0.0481358 Jy ! Total flux subtracted in 200 components = 0.0481358 Jy ! Clean residual min=-0.002640 max=0.003168 Jy/beam ! Clean residual mean=0.000002 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 2.10999 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 40 components and 2.10999 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00422181 Jy ! Component: 100 - total flux cleaned = 0.00672867 Jy ! Component: 150 - total flux cleaned = 0.00840271 Jy ! Component: 200 - total flux cleaned = 0.00924561 Jy ! Total flux subtracted in 200 components = 0.00924561 Jy ! Clean residual min=-0.002388 max=0.002475 Jy/beam ! Clean residual mean=0.000002 rms=0.000588 Jy/beam ! Combined flux in latest and established models = 2.11924 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 64 components and 2.11923 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=7.441 mas, bmaj=8.868 mas, bpa=-12.07 degrees ! Estimated noise=1.39913 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00274535 Jy ! Component: 100 - total flux cleaned = 0.00319574 Jy ! Component: 150 - total flux cleaned = 0.00363265 Jy ! Component: 200 - total flux cleaned = 0.00390632 Jy ! Total flux subtracted in 200 components = 0.00390632 Jy ! Clean residual min=-0.002942 max=0.003207 Jy/beam ! Clean residual mean=0.000005 rms=0.000769 Jy/beam ! Combined flux in latest and established models = 2.12314 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 = 0.000247334 Jy ! Component: 100 - total flux cleaned = 0.000473316 Jy ! Component: 150 - total flux cleaned = 0.000641618 Jy ! Component: 200 - total flux cleaned = 0.000798814 Jy ! Total flux subtracted in 200 components = 0.000798814 Jy ! Clean residual min=-0.002960 max=0.003127 Jy/beam ! Clean residual mean=0.000004 rms=0.000759 Jy/beam ! Combined flux in latest and established models = 2.12394 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 133 components and 2.12394 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.409 mas, bmaj=5.553 mas, bpa=-10.79 degrees ! Estimated noise=1.06258 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000562611 Jy ! Component: 100 - total flux cleaned = -0.000879284 Jy ! Component: 150 - total flux cleaned = -0.0010221 Jy ! Component: 200 - total flux cleaned = -0.00108628 Jy ! Total flux subtracted in 200 components = -0.00108628 Jy ! Clean residual min=-0.002320 max=0.002476 Jy/beam ! Clean residual mean=0.000002 rms=0.000559 Jy/beam ! Combined flux in latest and established models = 2.12285 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 145 components and 2.12285 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057247Jy sigma=0.460719 ! Fit after self-cal, rms=0.057235Jy sigma=0.460541 wmodel J1727+4530_S_a_map.mod ! Writing 145 model components to file: J1727+4530_S_a_map.mod wobs J1727+4530_S_a_uvs.fits ! Writing UV FITS file: J1727+4530_S_a_uvs.fits wwins J1727+4530_S_a_map.win ! wwins: Wrote 5 windows to J1727+4530_S_a_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 = 0.000323767 Jy ! Component: 100 - total flux cleaned = 0.00036458 Jy ! Component: 150 - total flux cleaned = 0.000404781 Jy ! Component: 200 - total flux cleaned = 0.000520192 Jy ! Component: 250 - total flux cleaned = 0.000520387 Jy ! Component: 300 - total flux cleaned = 0.000520584 Jy ! Component: 350 - total flux cleaned = 0.000448523 Jy ! Component: 400 - total flux cleaned = 0.000412803 Jy ! Component: 450 - total flux cleaned = 0.000343209 Jy ! Component: 500 - total flux cleaned = 0.000343371 Jy ! Component: 550 - total flux cleaned = 0.000208738 Jy ! Component: 600 - total flux cleaned = 0.000209564 Jy ! Component: 650 - total flux cleaned = 0.000275667 Jy ! Component: 700 - total flux cleaned = 0.000275786 Jy ! Component: 750 - total flux cleaned = 0.000179078 Jy ! Component: 800 - total flux cleaned = 0.000179611 Jy ! Component: 850 - total flux cleaned = 0.000179582 Jy ! Component: 900 - total flux cleaned = 0.000148128 Jy ! Component: 950 - total flux cleaned = 0.000117213 Jy ! Component: 1000 - total flux cleaned = 0.000117296 Jy ! Component: 1050 - total flux cleaned = 8.68692e-05 Jy ! Component: 1100 - total flux cleaned = 2.6248e-05 Jy ! Component: 1150 - total flux cleaned = 8.62632e-05 Jy ! Component: 1200 - total flux cleaned = -3.30472e-05 Jy ! Component: 1250 - total flux cleaned = -3.29798e-05 Jy ! Component: 1300 - total flux cleaned = -4.01155e-06 Jy ! Component: 1350 - total flux cleaned = 2.48334e-05 Jy ! Component: 1400 - total flux cleaned = -3.31039e-05 Jy ! Component: 1450 - total flux cleaned = -4.47698e-06 Jy ! Component: 1500 - total flux cleaned = 2.46299e-05 Jy ! Component: 1550 - total flux cleaned = 5.2814e-05 Jy ! Component: 1600 - total flux cleaned = 5.26594e-05 Jy ! Component: 1650 - total flux cleaned = 0.000136648 Jy ! Component: 1700 - total flux cleaned = 8.12484e-05 Jy ! Component: 1750 - total flux cleaned = 0.000108714 Jy ! Component: 1800 - total flux cleaned = 0.000108648 Jy ! Component: 1850 - total flux cleaned = 0.000163063 Jy ! Component: 1900 - total flux cleaned = 0.000163016 Jy ! Component: 1950 - total flux cleaned = 0.000189997 Jy ! Component: 2000 - total flux cleaned = 0.000136286 Jy ! Component: 2050 - total flux cleaned = 0.000216427 Jy ! Component: 2100 - total flux cleaned = 0.000216504 Jy ! Component: 2150 - total flux cleaned = 0.000269436 Jy ! Component: 2200 - total flux cleaned = 0.000269302 Jy ! Component: 2250 - total flux cleaned = 0.00011227 Jy ! Component: 2300 - total flux cleaned = 0.000268336 Jy ! Component: 2350 - total flux cleaned = 0.000268017 Jy ! Component: 2400 - total flux cleaned = 0.000164821 Jy ! Component: 2450 - total flux cleaned = 0.000216106 Jy ! Component: 2500 - total flux cleaned = 0.000190589 Jy ! Component: 2550 - total flux cleaned = 0.000216125 Jy ! Component: 2600 - total flux cleaned = 0.000241457 Jy ! Component: 2650 - total flux cleaned = 0.000190947 Jy ! Component: 2700 - total flux cleaned = 0.000165965 Jy ! Component: 2750 - total flux cleaned = 0.000166065 Jy ! Component: 2800 - total flux cleaned = 0.000190529 Jy ! Component: 2850 - total flux cleaned = 0.000165704 Jy ! Component: 2900 - total flux cleaned = -6.52948e-06 Jy ! Component: 2950 - total flux cleaned = -3.09636e-05 Jy ! Component: 3000 - total flux cleaned = -7.98314e-05 Jy ! Component: 3050 - total flux cleaned = -3.1249e-05 Jy ! Component: 3100 - total flux cleaned = -0.000127918 Jy ! Component: 3150 - total flux cleaned = -0.00017613 Jy ! Component: 3200 - total flux cleaned = -0.000248111 Jy ! Component: 3250 - total flux cleaned = -0.000271796 Jy ! Component: 3300 - total flux cleaned = -0.000295655 Jy ! Component: 3350 - total flux cleaned = -0.000414292 Jy ! Component: 3400 - total flux cleaned = -0.000508817 Jy ! Component: 3450 - total flux cleaned = -0.000532437 Jy ! Component: 3500 - total flux cleaned = -0.000555835 Jy ! Component: 3550 - total flux cleaned = -0.000509069 Jy ! Component: 3600 - total flux cleaned = -0.000532538 Jy ! Component: 3650 - total flux cleaned = -0.000625119 Jy ! Component: 3700 - total flux cleaned = -0.000624952 Jy ! Component: 3750 - total flux cleaned = -0.000670892 Jy ! Component: 3800 - total flux cleaned = -0.000716787 Jy ! Component: 3850 - total flux cleaned = -0.00076255 Jy ! Component: 3900 - total flux cleaned = -0.000853591 Jy ! Component: 3950 - total flux cleaned = -0.000944125 Jy ! Component: 4000 - total flux cleaned = -0.000966721 Jy ! Component: 4050 - total flux cleaned = -0.00101177 Jy ! Total flux subtracted in 4096 components = -0.000989345 Jy ! Clean residual min=-0.001497 max=0.001321 Jy/beam ! Clean residual mean=-0.000001 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 2.12186 Jy keep ! Adding 330 model components to the UV plane model. ! The established model now contains 475 components and 2.12186 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1727+4530_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.409 x 5.553 at -10.79 degrees (North through East) ! Clean map min=-0.0020979 max=2.0408 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1727+4530_S_a_map.fits wmodel /vlbi/uf001/uvm//J1727+4530_S_a_map.mod ! Writing 475 model components to file: /vlbi/uf001/uvm//J1727+4530_S_a_map.mod wobs /vlbi/uf001/uvm//J1727+4530_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1727+4530_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1727+4530_S_a_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uvm//J1727+4530_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 2.04076 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000419712 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0616994 0.0616994 0.123399 0.246798 0.493595 0.98719 1.97438 3.94876 7.89752 15.795 31.5901 63.1802 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak= ", int(1000*peak_flux)/1000 ! peak= 2.04 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4862.28 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1727+4530_S_a_dfm.log closed on Sun Jan 13 22:07:06 2019