! Started logfile: /vlbi/uf001/uva//J1915+6548_S_dfm.log on Mon Jan 14 04:59:27 2019 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/uf001/uva//J1915+6548_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1915+6548_S_uva.fits ! AN table 1: 76 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.983918 visibilities/baseline/integration-bin. ! Found source: J1915+6548 ! ! 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 10095 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 J1915+6548_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 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.096509Jy sigma=22.886816 ! Fit after self-cal, rms=0.628420Jy sigma=13.354294 ! 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=3.101 mas, bmaj=3.836 mas, bpa=23.93 degrees ! Estimated noise=0.521113 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 = 0.271413 Jy ! Component: 100 - total flux cleaned = 0.348577 Jy ! Total flux subtracted in 100 components = 0.348577 Jy ! Clean residual min=-0.014540 max=0.041105 Jy/beam ! Clean residual mean=-0.000026 rms=0.003992 Jy/beam ! Combined flux in latest and established models = 0.348577 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.348577 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.121406Jy sigma=2.453611 ! Fit after self-cal, rms=0.121216Jy sigma=2.449699 ! Inverting map ! Added new window around map position (-31, -12.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0486806 Jy ! Component: 100 - total flux cleaned = 0.0825781 Jy ! Total flux subtracted in 100 components = 0.0825781 Jy ! Clean residual min=-0.009325 max=0.021694 Jy/beam ! Clean residual mean=-0.000017 rms=0.002506 Jy/beam ! Combined flux in latest and established models = 0.431155 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 28 components and 0.431155 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.089514Jy sigma=1.816750 ! Fit after self-cal, rms=0.088965Jy sigma=1.805406 ! Inverting map ! Added new window around map position (-4, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0261248 Jy ! Component: 100 - total flux cleaned = 0.0448832 Jy ! Total flux subtracted in 100 components = 0.0448832 Jy ! Clean residual min=-0.007010 max=0.011743 Jy/beam ! Clean residual mean=-0.000012 rms=0.001821 Jy/beam ! Combined flux in latest and established models = 0.476038 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 43 components and 0.476038 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076166Jy sigma=1.556204 ! Fit after self-cal, rms=0.075887Jy sigma=1.550351 ! Inverting map ! Added new window around map position (-6, -5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0154637 Jy ! Component: 100 - total flux cleaned = 0.0272316 Jy ! Total flux subtracted in 100 components = 0.0272316 Jy ! Clean residual min=-0.006214 max=0.009289 Jy/beam ! Clean residual mean=-0.000008 rms=0.001504 Jy/beam ! Combined flux in latest and established models = 0.50327 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 58 components and 0.50327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070495Jy sigma=1.445962 ! Fit after self-cal, rms=0.070315Jy sigma=1.442319 ! 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=3.767 mas, bmaj=4.513 mas, bpa=19.7 degrees ! Estimated noise=0.349301 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 = 0.0154005 Jy ! Component: 100 - total flux cleaned = 0.0260951 Jy ! Component: 150 - total flux cleaned = 0.03437 Jy ! Component: 200 - total flux cleaned = 0.0409629 Jy ! Total flux subtracted in 200 components = 0.0409629 Jy ! Clean residual min=-0.005835 max=0.009288 Jy/beam ! Clean residual mean=-0.000042 rms=0.001473 Jy/beam ! Combined flux in latest and established models = 0.544233 Jy ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 96 components and 0.544233 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065464Jy sigma=1.349424 ! Fit after self-cal, rms=0.065259Jy sigma=1.345398 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.767 x 4.513 at 19.7 degrees (North through East) ! Clean map min=-0.005577 max=0.36607 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.92 HN 1.00 KP 1.02 ! LA 0.94 MK 1.00 NL 1.04 OV 0.97 ! PT 0.97 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.93 HN 1.01 KP 1.02 ! LA 0.93 MK 1.01 NL 1.08 OV 0.98 ! PT 0.98 SC 1.10 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 1.02 KP 1.02 ! LA 0.94 MK 1.02 NL 1.09 OV 1.00 ! PT 1.00 SC 1.02 ! ! ! Fit before self-cal, rms=0.065259Jy sigma=1.345398 ! Fit after self-cal, rms=0.060659Jy sigma=1.241931 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.801 mas, bmaj=4.55 mas, bpa=19.48 degrees ! Estimated noise=0.348474 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 = 0.0044082 Jy ! Component: 100 - total flux cleaned = 0.0052514 Jy ! Component: 150 - total flux cleaned = 0.00540027 Jy ! Component: 200 - total flux cleaned = 0.0054021 Jy ! Total flux subtracted in 200 components = 0.0054021 Jy ! Clean residual min=-0.003716 max=0.005467 Jy/beam ! Clean residual mean=-0.000007 rms=0.000795 Jy/beam ! Combined flux in latest and established models = 0.549635 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 109 components and 0.549635 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060223Jy sigma=1.232067 ! Fit after self-cal, rms=0.060191Jy sigma=1.231250 ! Inverting map ! Added new window around map position (17.5, 13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00551338 Jy ! Component: 100 - total flux cleaned = 0.00869904 Jy ! Component: 150 - total flux cleaned = 0.0108819 Jy ! Component: 200 - total flux cleaned = 0.0122646 Jy ! Total flux subtracted in 200 components = 0.0122646 Jy ! Clean residual min=-0.003118 max=0.003196 Jy/beam ! Clean residual mean=-0.000000 rms=0.000679 Jy/beam ! Combined flux in latest and established models = 0.561899 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 131 components and 0.561899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059653Jy sigma=1.218799 ! Fit after self-cal, rms=0.059592Jy sigma=1.217750 ! 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=0.059592Jy sigma=1.217750 ! Fit after self-cal, rms=0.058076Jy sigma=1.185258 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.786 mas, bmaj=4.565 mas, bpa=19.26 degrees ! Estimated noise=0.348342 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000854192 Jy ! Component: 100 - total flux cleaned = 0.00170179 Jy ! Component: 150 - total flux cleaned = 0.00220938 Jy ! Component: 200 - total flux cleaned = 0.00270572 Jy ! Total flux subtracted in 200 components = 0.00270572 Jy ! Clean residual min=-0.002053 max=0.002627 Jy/beam ! Clean residual mean=-0.000007 rms=0.000515 Jy/beam ! Combined flux in latest and established models = 0.564605 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 147 components and 0.564605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057957Jy sigma=1.182712 ! Fit after self-cal, rms=0.057948Jy sigma=1.182524 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 (7, 6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0024684 Jy ! Component: 100 - total flux cleaned = 0.0028343 Jy ! Component: 150 - total flux cleaned = 0.00304136 Jy ! Component: 200 - total flux cleaned = 0.003275 Jy ! Total flux subtracted in 200 components = 0.003275 Jy ! Clean residual min=-0.001866 max=0.002134 Jy/beam ! Clean residual mean=-0.000004 rms=0.000481 Jy/beam ! Combined flux in latest and established models = 0.56788 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 161 components and 0.56788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057807Jy sigma=1.179521 ! Fit after self-cal, rms=0.057796Jy sigma=1.179340 ! Inverting map ! Added new window around map position (-24, -10.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00193452 Jy ! Component: 100 - total flux cleaned = 0.00236614 Jy ! Component: 150 - total flux cleaned = 0.00265132 Jy ! Component: 200 - total flux cleaned = 0.00278223 Jy ! Total flux subtracted in 200 components = 0.00278223 Jy ! Clean residual min=-0.001727 max=0.001838 Jy/beam ! Clean residual mean=-0.000003 rms=0.000454 Jy/beam ! Combined flux in latest and established models = 0.570662 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 180 components and 0.570662 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057699Jy sigma=1.177157 ! Fit after self-cal, rms=0.057697Jy sigma=1.177080 ! 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=0.057697Jy sigma=1.177080 ! Fit after self-cal, rms=0.057580Jy sigma=1.173354 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.781 mas, bmaj=4.563 mas, bpa=19.39 degrees ! Estimated noise=0.348394 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00146063 Jy ! Component: 100 - total flux cleaned = 0.0020114 Jy ! Component: 150 - total flux cleaned = 0.00233426 Jy ! Component: 200 - total flux cleaned = 0.00259317 Jy ! Total flux subtracted in 200 components = 0.00259317 Jy ! Clean residual min=-0.001632 max=0.001706 Jy/beam ! Clean residual mean=-0.000007 rms=0.000419 Jy/beam ! Combined flux in latest and established models = 0.573255 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 195 components and 0.573255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057518Jy sigma=1.172051 ! Fit after self-cal, rms=0.057517Jy sigma=1.172012 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 = 0.000328218 Jy ! Component: 100 - total flux cleaned = 0.000459369 Jy ! Component: 150 - total flux cleaned = 0.000583002 Jy ! Component: 200 - total flux cleaned = 0.000699896 Jy ! Total flux subtracted in 200 components = 0.000699896 Jy ! Clean residual min=-0.001607 max=0.001677 Jy/beam ! Clean residual mean=-0.000007 rms=0.000412 Jy/beam ! Combined flux in latest and established models = 0.573955 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 202 components and 0.573955 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057487Jy sigma=1.171341 ! Fit after self-cal, rms=0.057486Jy sigma=1.171328 ! 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=0.057486Jy sigma=1.171328 ! Fit after self-cal, rms=0.057487Jy sigma=1.171198 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.807 mas, bmaj=8.623 mas, bpa=34.32 degrees ! Estimated noise=0.460076 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000898526 Jy ! Component: 100 - total flux cleaned = 0.00149053 Jy ! Component: 150 - total flux cleaned = 0.00191013 Jy ! Component: 200 - total flux cleaned = 0.00209607 Jy ! Total flux subtracted in 200 components = 0.00209607 Jy ! Clean residual min=-0.001745 max=0.002024 Jy/beam ! Clean residual mean=-0.000016 rms=0.000504 Jy/beam ! Combined flux in latest and established models = 0.576052 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 235 components and 0.576052 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057475Jy sigma=1.171001 ! Fit after self-cal, rms=0.057475Jy sigma=1.170986 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 = 0.00020863 Jy ! Component: 100 - total flux cleaned = 0.00022205 Jy ! Component: 150 - total flux cleaned = 0.000221937 Jy ! Component: 200 - total flux cleaned = 0.00024649 Jy ! Total flux subtracted in 200 components = 0.00024649 Jy ! Clean residual min=-0.001731 max=0.001991 Jy/beam ! Clean residual mean=-0.000016 rms=0.000503 Jy/beam ! Combined flux in latest and established models = 0.576298 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 242 components and 0.576298 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057472Jy sigma=1.170943 ! Fit after self-cal, rms=0.057471Jy sigma=1.170940 ! 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=3.777 mas, bmaj=4.563 mas, bpa=19.4 degrees ! Estimated noise=0.348442 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.777 x 4.563 at 19.4 degrees (North through East) ! Clean map min=-0.0015376 max=0.36463 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=3.11 mas, bmaj=3.865 mas, bpa=23.4 degrees ! Estimated noise=0.523086 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.271795 Jy ! Component: 100 - total flux cleaned = 0.351303 Jy ! Component: 150 - total flux cleaned = 0.401217 Jy ! Component: 200 - total flux cleaned = 0.436209 Jy ! Total flux subtracted in 200 components = 0.436209 Jy ! Clean residual min=-0.008411 max=0.019632 Jy/beam ! Clean residual mean=-0.000016 rms=0.002184 Jy/beam ! Combined flux in latest and established models = 0.436209 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.436209 Jy ! Inverting map and beam ! Estimated beam: bmin=3.777 mas, bmaj=4.563 mas, bpa=19.4 degrees ! Estimated noise=0.348442 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 = 0.0332001 Jy ! Component: 100 - total flux cleaned = 0.0551351 Jy ! Component: 150 - total flux cleaned = 0.0705098 Jy ! Component: 200 - total flux cleaned = 0.0815954 Jy ! Total flux subtracted in 200 components = 0.0815954 Jy ! Clean residual min=-0.003497 max=0.006248 Jy/beam ! Clean residual mean=-0.000048 rms=0.001011 Jy/beam ! Combined flux in latest and established models = 0.517805 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 53 components and 0.517805 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00846572 Jy ! Component: 100 - total flux cleaned = 0.0154147 Jy ! Component: 150 - total flux cleaned = 0.0212154 Jy ! Component: 200 - total flux cleaned = 0.0261391 Jy ! Total flux subtracted in 200 components = 0.0261391 Jy ! Clean residual min=-0.002621 max=0.003179 Jy/beam ! Clean residual mean=-0.000028 rms=0.000645 Jy/beam ! Combined flux in latest and established models = 0.543944 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 77 components and 0.543944 Jy ! Inverting map ! Added new window around map position (-2.5, -4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00423537 Jy ! Component: 100 - total flux cleaned = 0.00788736 Jy ! Component: 150 - total flux cleaned = 0.0110535 Jy ! Component: 200 - total flux cleaned = 0.0138368 Jy ! Total flux subtracted in 200 components = 0.0138368 Jy ! Clean residual min=-0.002188 max=0.001984 Jy/beam ! Clean residual mean=-0.000018 rms=0.000507 Jy/beam ! Combined flux in latest and established models = 0.557781 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 97 components and 0.557781 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=7.807 mas, bmaj=8.623 mas, bpa=34.32 degrees ! Estimated noise=0.460076 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00356991 Jy ! Component: 100 - total flux cleaned = 0.0062373 Jy ! Component: 150 - total flux cleaned = 0.00835992 Jy ! Component: 200 - total flux cleaned = 0.0100861 Jy ! Total flux subtracted in 200 components = 0.0100861 Jy ! Clean residual min=-0.001924 max=0.002170 Jy/beam ! Clean residual mean=-0.000028 rms=0.000549 Jy/beam ! Combined flux in latest and established models = 0.567867 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 = 0.00141876 Jy ! Component: 100 - total flux cleaned = 0.00259387 Jy ! Component: 150 - total flux cleaned = 0.00358231 Jy ! Component: 200 - total flux cleaned = 0.00443266 Jy ! Total flux subtracted in 200 components = 0.00443266 Jy ! Clean residual min=-0.001762 max=0.002018 Jy/beam ! Clean residual mean=-0.000021 rms=0.000512 Jy/beam ! Combined flux in latest and established models = 0.5723 Jy ! Adding 118 model components to the UV plane model. ! The established model now contains 209 components and 0.572299 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.777 mas, bmaj=4.563 mas, bpa=19.4 degrees ! Estimated noise=0.348442 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000142858 Jy ! Component: 100 - total flux cleaned = 0.000406188 Jy ! Component: 150 - total flux cleaned = 0.000957094 Jy ! Component: 200 - total flux cleaned = 0.00146439 Jy ! Total flux subtracted in 200 components = 0.00146439 Jy ! Clean residual min=-0.001739 max=0.001689 Jy/beam ! Clean residual mean=-0.000008 rms=0.000427 Jy/beam ! Combined flux in latest and established models = 0.573764 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 222 components and 0.573764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057630Jy sigma=1.174624 ! Fit after self-cal, rms=0.057610Jy sigma=1.174197 wmodel J1915+6548_S_map.mod ! Writing 222 model components to file: J1915+6548_S_map.mod wobs J1915+6548_S_uvs.fits ! Writing UV FITS file: J1915+6548_S_uvs.fits wwins J1915+6548_S_map.win ! wwins: Wrote 8 windows to J1915+6548_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 = 2.28982e-05 Jy ! Component: 100 - total flux cleaned = -8.66504e-06 Jy ! Component: 150 - total flux cleaned = 4.81931e-05 Jy ! Component: 200 - total flux cleaned = 0.000271688 Jy ! Component: 250 - total flux cleaned = 0.000489307 Jy ! Component: 300 - total flux cleaned = 0.000676075 Jy ! Component: 350 - total flux cleaned = 0.000833504 Jy ! Component: 400 - total flux cleaned = 0.00101377 Jy ! Component: 450 - total flux cleaned = 0.00108994 Jy ! Component: 500 - total flux cleaned = 0.00123986 Jy ! Component: 550 - total flux cleaned = 0.00128875 Jy ! Component: 600 - total flux cleaned = 0.00131324 Jy ! Component: 650 - total flux cleaned = 0.00128965 Jy ! Component: 700 - total flux cleaned = 0.00136054 Jy ! Component: 750 - total flux cleaned = 0.0013836 Jy ! Component: 800 - total flux cleaned = 0.0013835 Jy ! Component: 850 - total flux cleaned = 0.00142926 Jy ! Component: 900 - total flux cleaned = 0.00140661 Jy ! Component: 950 - total flux cleaned = 0.00151832 Jy ! Component: 1000 - total flux cleaned = 0.00156224 Jy ! Component: 1050 - total flux cleaned = 0.00158416 Jy ! Component: 1100 - total flux cleaned = 0.00169218 Jy ! Component: 1150 - total flux cleaned = 0.00173493 Jy ! Component: 1200 - total flux cleaned = 0.00179811 Jy ! Component: 1250 - total flux cleaned = 0.00186055 Jy ! Component: 1300 - total flux cleaned = 0.00190188 Jy ! Component: 1350 - total flux cleaned = 0.00196302 Jy ! Component: 1400 - total flux cleaned = 0.00194282 Jy ! Component: 1450 - total flux cleaned = 0.00204311 Jy ! Component: 1500 - total flux cleaned = 0.0021029 Jy ! Component: 1550 - total flux cleaned = 0.00210305 Jy ! Component: 1600 - total flux cleaned = 0.00212253 Jy ! Component: 1650 - total flux cleaned = 0.00219974 Jy ! Component: 1700 - total flux cleaned = 0.00218031 Jy ! Component: 1750 - total flux cleaned = 0.00218027 Jy ! Component: 1800 - total flux cleaned = 0.00221787 Jy ! Component: 1850 - total flux cleaned = 0.00225498 Jy ! Component: 1900 - total flux cleaned = 0.00218066 Jy ! Component: 1950 - total flux cleaned = 0.0022358 Jy ! Component: 2000 - total flux cleaned = 0.00225403 Jy ! Component: 2050 - total flux cleaned = 0.00221769 Jy ! Component: 2100 - total flux cleaned = 0.00218177 Jy ! Component: 2150 - total flux cleaned = 0.00221755 Jy ! Component: 2200 - total flux cleaned = 0.00219991 Jy ! Component: 2250 - total flux cleaned = 0.00223494 Jy ! Component: 2300 - total flux cleaned = 0.00228729 Jy ! Component: 2350 - total flux cleaned = 0.00223537 Jy ! Component: 2400 - total flux cleaned = 0.00228691 Jy ! Component: 2450 - total flux cleaned = 0.00232094 Jy ! Component: 2500 - total flux cleaned = 0.00225324 Jy ! Component: 2550 - total flux cleaned = 0.00228671 Jy ! Component: 2600 - total flux cleaned = 0.00228681 Jy ! Component: 2650 - total flux cleaned = 0.00223725 Jy ! Component: 2700 - total flux cleaned = 0.00227004 Jy ! Component: 2750 - total flux cleaned = 0.00225359 Jy ! Component: 2800 - total flux cleaned = 0.00235065 Jy ! Component: 2850 - total flux cleaned = 0.00228613 Jy ! Component: 2900 - total flux cleaned = 0.00228607 Jy ! Component: 2950 - total flux cleaned = 0.00228606 Jy ! Component: 3000 - total flux cleaned = 0.00225454 Jy ! Component: 3050 - total flux cleaned = 0.00228595 Jy ! Component: 3100 - total flux cleaned = 0.00227051 Jy ! Component: 3150 - total flux cleaned = 0.00230148 Jy ! Component: 3200 - total flux cleaned = 0.00228597 Jy ! Component: 3250 - total flux cleaned = 0.00234704 Jy ! Component: 3300 - total flux cleaned = 0.00231672 Jy ! Component: 3350 - total flux cleaned = 0.00236207 Jy ! Component: 3400 - total flux cleaned = 0.00239207 Jy ! Component: 3450 - total flux cleaned = 0.00245178 Jy ! Component: 3500 - total flux cleaned = 0.00245166 Jy ! Component: 3550 - total flux cleaned = 0.00249585 Jy ! Component: 3600 - total flux cleaned = 0.00252528 Jy ! Component: 3650 - total flux cleaned = 0.00259808 Jy ! Component: 3700 - total flux cleaned = 0.00264174 Jy ! Component: 3750 - total flux cleaned = 0.00259848 Jy ! Component: 3800 - total flux cleaned = 0.00262734 Jy ! Component: 3850 - total flux cleaned = 0.00269866 Jy ! Component: 3900 - total flux cleaned = 0.00269882 Jy ! Component: 3950 - total flux cleaned = 0.00281152 Jy ! Component: 4000 - total flux cleaned = 0.00281147 Jy ! Component: 4050 - total flux cleaned = 0.00283931 Jy ! Total flux subtracted in 4096 components = 0.00285325 Jy ! Clean residual min=-0.000769 max=0.000756 Jy/beam ! Clean residual mean=-0.000003 rms=0.000248 Jy/beam ! Combined flux in latest and established models = 0.576617 Jy keep ! Adding 299 model components to the UV plane model. ! The established model now contains 521 components and 0.576617 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1915+6548_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.777 x 4.563 at 19.4 degrees (North through East) ! Clean map min=-0.0014163 max=0.36572 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1915+6548_S_map.fits wmodel /vlbi/uf001/uva//J1915+6548_S_map.mod ! Writing 521 model components to file: /vlbi/uf001/uva//J1915+6548_S_map.mod wobs /vlbi/uf001/uva//J1915+6548_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1915+6548_S_uvs.fits wwins /vlbi/uf001/uva//J1915+6548_S_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J1915+6548_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.365723 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00024755 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.203063 0.203063 0.406127 0.812254 1.62451 3.24901 6.49803 12.9961 25.9921 51.9842 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.365 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1477.37 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1915+6548_S_dfm.log closed on Mon Jan 14 04:59:32 2019