! Started logfile: /tmp/maps//J1949-1957_X_20180619_dfm.log on Wed Jul 4 23:39:02 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /tmp/maps//J1949-1957_X_20180619_uva.fits ! Reading UV FITS file: /tmp/maps//J1949-1957_X_20180619_uva.fits ! AN table 1: 37 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.984556 visibilities/baseline/integration-bin. ! Found source: J1949-1957 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 76 lines of history. ! ! Reading 8160 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1949-1957_X] 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 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.015546Jy sigma=23.356275 ! Fit after self-cal, rms=0.834412Jy sigma=19.186197 ! 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=0.8434 mas, bmaj=4.911 mas, bpa=-27.33 degrees ! Estimated noise=0.615652 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 = 0.107352 Jy ! Component: 100 - total flux cleaned = 0.158143 Jy ! Total flux subtracted in 100 components = 0.158143 Jy ! Clean residual min=-0.012966 max=0.027466 Jy/beam ! Clean residual mean=0.000055 rms=0.004830 Jy/beam ! Combined flux in latest and established models = 0.158143 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.158143 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.097362Jy sigma=2.254947 ! Fit after self-cal, rms=0.097209Jy sigma=2.252007 ! 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=1.193 mas, bmaj=5.062 mas, bpa=-24.92 degrees ! Estimated noise=0.354806 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 = 0.0521738 Jy ! Component: 100 - total flux cleaned = 0.079176 Jy ! Component: 150 - total flux cleaned = 0.0952425 Jy ! Component: 200 - total flux cleaned = 0.105232 Jy ! Total flux subtracted in 200 components = 0.105232 Jy ! Clean residual min=-0.013588 max=0.041444 Jy/beam ! Clean residual mean=0.000104 rms=0.005895 Jy/beam ! Combined flux in latest and established models = 0.263375 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 52 components and 0.263375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.065338Jy sigma=1.517916 ! Fit after self-cal, rms=0.065117Jy sigma=1.514646 ! Inverting map ! Added new window around map position (-12, -21.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0396094 Jy ! Component: 100 - total flux cleaned = 0.057875 Jy ! Component: 150 - total flux cleaned = 0.0683653 Jy ! Component: 200 - total flux cleaned = 0.0759731 Jy ! Total flux subtracted in 200 components = 0.0759731 Jy ! Clean residual min=-0.006258 max=0.012280 Jy/beam ! Clean residual mean=0.000022 rms=0.002147 Jy/beam ! Combined flux in latest and established models = 0.339348 Jy ! Performing phase self-cal ! Adding 75 model components to the UV plane model. ! The established model now contains 126 components and 0.339348 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.038263Jy sigma=0.831323 ! Fit after self-cal, rms=0.035363Jy sigma=0.764626 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.193 x 5.062 at -24.92 degrees (North through East) ! Clean map min=-0.0050362 max=0.13481 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 KP 0.94 LA 1.09 ! MK 0.99 NL 0.98 OV 0.97 PT 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 KP 0.93 LA 1.11 ! MK 1.03 NL 1.00 OV 0.96 PT 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 KP 0.94 LA 1.10 ! MK 1.02 NL 0.98 OV 0.99 PT 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 KP 0.94 LA 1.10 ! MK 1.02 NL 0.98 OV 0.98 PT 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 KP 0.97 LA 1.10 ! MK 1.07 NL 0.98 OV 0.99 PT 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 KP 0.96 LA 1.08 ! MK 0.99 NL 0.97 OV 1.00 PT 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 KP 0.94 LA 1.06 ! MK 1.00 NL 0.95 OV 0.98 PT 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 KP 0.95 LA 1.09 ! MK 0.97 NL 0.97 OV 0.98 PT 0.96 ! ! ! Fit before self-cal, rms=0.035363Jy sigma=0.764626 ! Fit after self-cal, rms=0.033309Jy sigma=0.701766 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.2 mas, bmaj=5.049 mas, bpa=-24.88 degrees ! Estimated noise=0.352013 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 = 0.00444682 Jy ! Component: 100 - total flux cleaned = 0.00531255 Jy ! Component: 150 - total flux cleaned = 0.00564078 Jy ! Component: 200 - total flux cleaned = 0.00601493 Jy ! Total flux subtracted in 200 components = 0.00601493 Jy ! Clean residual min=-0.003567 max=0.005120 Jy/beam ! Clean residual mean=-0.000005 rms=0.000933 Jy/beam ! Combined flux in latest and established models = 0.345363 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 170 components and 0.345363 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.032346Jy sigma=0.676576 ! Fit after self-cal, rms=0.032281Jy sigma=0.675134 ! Inverting map ! Added new window around map position (-6, -9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00445585 Jy ! Component: 100 - total flux cleaned = 0.00681477 Jy ! Component: 150 - total flux cleaned = 0.00783817 Jy ! Component: 200 - total flux cleaned = 0.0082877 Jy ! Total flux subtracted in 200 components = 0.0082877 Jy ! Clean residual min=-0.002601 max=0.002528 Jy/beam ! Clean residual mean=-0.000004 rms=0.000662 Jy/beam ! Combined flux in latest and established models = 0.353651 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 221 components and 0.353651 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.031551Jy sigma=0.656156 ! Fit after self-cal, rms=0.031542Jy sigma=0.655710 ! 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.031542Jy sigma=0.655710 ! Fit after self-cal, rms=0.031391Jy sigma=0.650725 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.2 mas, bmaj=5.059 mas, bpa=-24.86 degrees ! Estimated noise=0.352401 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00193931 Jy ! Component: 100 - total flux cleaned = 0.00273844 Jy ! Component: 150 - total flux cleaned = 0.00325831 Jy ! Component: 200 - total flux cleaned = 0.00356984 Jy ! Total flux subtracted in 200 components = 0.00356984 Jy ! Clean residual min=-0.002047 max=0.001912 Jy/beam ! Clean residual mean=-0.000002 rms=0.000532 Jy/beam ! Combined flux in latest and established models = 0.35722 Jy selfcal ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 253 components and 0.35722 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.031161Jy sigma=0.644442 ! Fit after self-cal, rms=0.031154Jy sigma=0.644235 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 = 0.000505219 Jy ! Component: 100 - total flux cleaned = 0.000594743 Jy ! Component: 150 - total flux cleaned = 0.000763019 Jy ! Component: 200 - total flux cleaned = 0.00092172 Jy ! Total flux subtracted in 200 components = 0.00092172 Jy ! Clean residual min=-0.001890 max=0.001786 Jy/beam ! Clean residual mean=-0.000003 rms=0.000482 Jy/beam ! Combined flux in latest and established models = 0.358142 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 272 components and 0.358142 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.031046Jy sigma=0.641477 ! Fit after self-cal, rms=0.031044Jy sigma=0.641421 ! 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.031044Jy sigma=0.641421 ! Fit after self-cal, rms=0.031016Jy sigma=0.639420 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.2 mas, bmaj=5.068 mas, bpa=-24.83 degrees ! Estimated noise=0.352419 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000608536 Jy ! Component: 100 - total flux cleaned = 0.000880063 Jy ! Component: 150 - total flux cleaned = 0.00115579 Jy ! Component: 200 - total flux cleaned = 0.00133963 Jy ! Total flux subtracted in 200 components = 0.00133963 Jy ! Clean residual min=-0.001783 max=0.001478 Jy/beam ! Clean residual mean=-0.000001 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.359482 Jy selfcal ! Performing phase self-cal ! Adding 64 model components to the UV plane model. ! The established model now contains 304 components and 0.359482 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030935Jy sigma=0.637285 ! Fit after self-cal, rms=0.030931Jy sigma=0.637200 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 = 0.000165183 Jy ! Component: 100 - total flux cleaned = 0.000221261 Jy ! Component: 150 - total flux cleaned = 0.000220442 Jy ! Component: 200 - total flux cleaned = 0.000294562 Jy ! Total flux subtracted in 200 components = 0.000294562 Jy ! Clean residual min=-0.001702 max=0.001383 Jy/beam ! Clean residual mean=-0.000002 rms=0.000396 Jy/beam ! Combined flux in latest and established models = 0.359776 Jy ! Performing phase self-cal ! Adding 57 model components to the UV plane model. ! The established model now contains 323 components and 0.359776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030888Jy sigma=0.636148 ! Fit after self-cal, rms=0.030885Jy sigma=0.636113 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030885Jy sigma=0.636113 ! Fit after self-cal, rms=0.030903Jy sigma=0.635896 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.729 mas, bmaj=5.811 mas, bpa=-10.96 degrees ! Estimated noise=0.395834 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000422537 Jy ! Component: 100 - total flux cleaned = 0.000726909 Jy ! Component: 150 - total flux cleaned = 0.000941063 Jy ! Component: 200 - total flux cleaned = 0.00108618 Jy ! Total flux subtracted in 200 components = 0.00108618 Jy ! Clean residual min=-0.001762 max=0.001507 Jy/beam ! Clean residual mean=-0.000002 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.360862 Jy selfcal ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 359 components and 0.360862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030868Jy sigma=0.634967 ! Fit after self-cal, rms=0.030865Jy sigma=0.634901 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 = 0.000109221 Jy ! Component: 100 - total flux cleaned = 0.000153357 Jy ! Component: 150 - total flux cleaned = 0.000174849 Jy ! Component: 200 - total flux cleaned = 0.000233408 Jy ! Total flux subtracted in 200 components = 0.000233408 Jy ! Clean residual min=-0.001672 max=0.001421 Jy/beam ! Clean residual mean=-0.000003 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.361096 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 386 components and 0.361096 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030846Jy sigma=0.634405 ! Fit after self-cal, rms=0.030843Jy sigma=0.634360 ! 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=1.201 mas, bmaj=5.069 mas, bpa=-24.83 degrees ! Estimated noise=0.352581 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.201 x 5.069 at -24.83 degrees (North through East) ! Clean map min=-0.0015105 max=0.13358 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=0.8477 mas, bmaj=4.91 mas, bpa=-27.25 degrees ! Estimated noise=0.616101 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.107024 Jy ! Component: 100 - total flux cleaned = 0.157861 Jy ! Component: 150 - total flux cleaned = 0.192636 Jy ! Component: 200 - total flux cleaned = 0.21934 Jy ! Total flux subtracted in 200 components = 0.21934 Jy ! Clean residual min=-0.008640 max=0.015598 Jy/beam ! Clean residual mean=0.000027 rms=0.003042 Jy/beam ! Combined flux in latest and established models = 0.21934 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 39 model components to the UV plane model. ! The established model now contains 39 components and 0.21934 Jy ! Inverting map and beam ! Estimated beam: bmin=1.201 mas, bmaj=5.069 mas, bpa=-24.83 degrees ! Estimated noise=0.352581 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 = 0.0358005 Jy ! Component: 100 - total flux cleaned = 0.0599413 Jy ! Component: 150 - total flux cleaned = 0.0769812 Jy ! Component: 200 - total flux cleaned = 0.0894042 Jy ! Total flux subtracted in 200 components = 0.0894042 Jy ! Clean residual min=-0.006361 max=0.007577 Jy/beam ! Clean residual mean=-0.000001 rms=0.001997 Jy/beam ! Combined flux in latest and established models = 0.308744 Jy ! Adding 75 model components to the UV plane model. ! The established model now contains 103 components and 0.308744 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.729 mas, bmaj=5.811 mas, bpa=-10.96 degrees ! Estimated noise=0.395834 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0125402 Jy ! Component: 100 - total flux cleaned = 0.0219106 Jy ! Component: 150 - total flux cleaned = 0.029129 Jy ! Component: 200 - total flux cleaned = 0.0347685 Jy ! Total flux subtracted in 200 components = 0.0347685 Jy ! Clean residual min=-0.004206 max=0.003984 Jy/beam ! Clean residual mean=-0.000005 rms=0.001181 Jy/beam ! Combined flux in latest and established models = 0.343512 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 = 0.00446463 Jy ! Component: 100 - total flux cleaned = 0.00764114 Jy ! Component: 150 - total flux cleaned = 0.0097769 Jy ! Component: 200 - total flux cleaned = 0.0112831 Jy ! Total flux subtracted in 200 components = 0.0112831 Jy ! Clean residual min=-0.002843 max=0.002811 Jy/beam ! Clean residual mean=-0.000005 rms=0.000737 Jy/beam ! Combined flux in latest and established models = 0.354795 Jy ! Adding 100 model components to the UV plane model. ! The established model now contains 194 components and 0.354795 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.201 mas, bmaj=5.069 mas, bpa=-24.83 degrees ! Estimated noise=0.352581 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00100905 Jy ! Component: 100 - total flux cleaned = 0.00204721 Jy ! Component: 150 - total flux cleaned = 0.0028314 Jy ! Component: 200 - total flux cleaned = 0.0032838 Jy ! Total flux subtracted in 200 components = 0.0032838 Jy ! Clean residual min=-0.001897 max=0.002205 Jy/beam ! Clean residual mean=-0.000004 rms=0.000504 Jy/beam ! Combined flux in latest and established models = 0.358079 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 221 components and 0.358079 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.031274Jy sigma=0.644290 ! Fit after self-cal, rms=0.031185Jy sigma=0.642686 wmodel J1949-1957_X_map.mod ! Writing 221 model components to file: J1949-1957_X_map.mod wobs J1949-1957_X_uvs.fits ! Writing UV FITS file: J1949-1957_X_uvs.fits wwins J1949-1957_X_map.win ! wwins: Wrote 3 windows to J1949-1957_X_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 = 0.000457965 Jy ! Component: 100 - total flux cleaned = 0.000330037 Jy ! Component: 150 - total flux cleaned = 0.000122645 Jy ! Component: 200 - total flux cleaned = -4.28836e-05 Jy ! Component: 250 - total flux cleaned = -6.88003e-05 Jy ! Component: 300 - total flux cleaned = -0.000119433 Jy ! Component: 350 - total flux cleaned = -7.15975e-05 Jy ! Component: 400 - total flux cleaned = -3.22814e-06 Jy ! Component: 450 - total flux cleaned = 1.85452e-05 Jy ! Component: 500 - total flux cleaned = 6.24135e-05 Jy ! Component: 550 - total flux cleaned = 0.000125594 Jy ! Component: 600 - total flux cleaned = 0.000105476 Jy ! Component: 650 - total flux cleaned = 0.000125153 Jy ! Component: 700 - total flux cleaned = 8.63608e-05 Jy ! Component: 750 - total flux cleaned = 1.14241e-05 Jy ! Component: 800 - total flux cleaned = 1.15642e-05 Jy ! Component: 850 - total flux cleaned = 4.77717e-05 Jy ! Component: 900 - total flux cleaned = 0.000100834 Jy ! Component: 950 - total flux cleaned = 0.000135726 Jy ! Component: 1000 - total flux cleaned = 0.000186493 Jy ! Component: 1050 - total flux cleaned = 0.000285689 Jy ! Component: 1100 - total flux cleaned = 0.000334262 Jy ! Component: 1150 - total flux cleaned = 0.000350501 Jy ! Component: 1200 - total flux cleaned = 0.00041282 Jy ! Component: 1250 - total flux cleaned = 0.000428309 Jy ! Component: 1300 - total flux cleaned = 0.000503141 Jy ! Component: 1350 - total flux cleaned = 0.000532221 Jy ! Component: 1400 - total flux cleaned = 0.000575017 Jy ! Component: 1450 - total flux cleaned = 0.000532315 Jy ! Component: 1500 - total flux cleaned = 0.000504344 Jy ! Component: 1550 - total flux cleaned = 0.000477077 Jy ! Component: 1600 - total flux cleaned = 0.000477091 Jy ! Component: 1650 - total flux cleaned = 0.000476955 Jy ! Component: 1700 - total flux cleaned = 0.000476843 Jy ! Component: 1750 - total flux cleaned = 0.000438161 Jy ! Component: 1800 - total flux cleaned = 0.000450834 Jy ! Component: 1850 - total flux cleaned = 0.000376161 Jy ! Component: 1900 - total flux cleaned = 0.000400705 Jy ! Component: 1950 - total flux cleaned = 0.000388489 Jy ! Component: 2000 - total flux cleaned = 0.000388305 Jy ! Component: 2050 - total flux cleaned = 0.000353032 Jy ! Component: 2100 - total flux cleaned = 0.000307044 Jy ! Component: 2150 - total flux cleaned = 0.000284248 Jy ! Component: 2200 - total flux cleaned = 0.000272916 Jy ! Component: 2250 - total flux cleaned = 0.000195102 Jy ! Component: 2300 - total flux cleaned = 0.000151271 Jy ! Component: 2350 - total flux cleaned = 0.000151282 Jy ! Component: 2400 - total flux cleaned = 8.70563e-05 Jy ! Component: 2450 - total flux cleaned = 7.65103e-05 Jy ! Component: 2500 - total flux cleaned = 3.46875e-05 Jy ! Component: 2550 - total flux cleaned = 1.3889e-05 Jy ! Component: 2600 - total flux cleaned = -6.60442e-06 Jy ! Component: 2650 - total flux cleaned = -4.70302e-05 Jy ! Component: 2700 - total flux cleaned = -8.69095e-05 Jy ! Component: 2750 - total flux cleaned = -8.68413e-05 Jy ! Component: 2800 - total flux cleaned = -0.000135665 Jy ! Component: 2850 - total flux cleaned = -0.000145232 Jy ! Component: 2900 - total flux cleaned = -0.000145261 Jy ! Component: 2950 - total flux cleaned = -0.000211556 Jy ! Component: 3000 - total flux cleaned = -0.000202161 Jy ! Component: 3050 - total flux cleaned = -0.000220585 Jy ! Component: 3100 - total flux cleaned = -0.000229871 Jy ! Component: 3150 - total flux cleaned = -0.000238956 Jy ! Component: 3200 - total flux cleaned = -0.0002749 Jy ! Component: 3250 - total flux cleaned = -0.000274904 Jy ! Component: 3300 - total flux cleaned = -0.000248344 Jy ! Component: 3350 - total flux cleaned = -0.000274491 Jy ! Component: 3400 - total flux cleaned = -0.000300411 Jy ! Component: 3450 - total flux cleaned = -0.000266135 Jy ! Component: 3500 - total flux cleaned = -0.000291615 Jy ! Component: 3550 - total flux cleaned = -0.000283133 Jy ! Component: 3600 - total flux cleaned = -0.000266486 Jy ! Component: 3650 - total flux cleaned = -0.000250062 Jy ! Component: 3700 - total flux cleaned = -0.0002747 Jy ! Component: 3750 - total flux cleaned = -0.000266583 Jy ! Component: 3800 - total flux cleaned = -0.000266518 Jy ! Component: 3850 - total flux cleaned = -0.000266566 Jy ! Component: 3900 - total flux cleaned = -0.000226969 Jy ! Component: 3950 - total flux cleaned = -0.000219125 Jy ! Component: 4000 - total flux cleaned = -0.00021924 Jy ! Component: 4050 - total flux cleaned = -0.00022706 Jy ! Total flux subtracted in 4096 components = -0.00022703 Jy ! Clean residual min=-0.000410 max=0.000518 Jy/beam ! Clean residual mean=-0.000001 rms=0.000146 Jy/beam ! Combined flux in latest and established models = 0.357852 Jy keep ! Adding 301 model components to the UV plane model. ! The established model now contains 521 components and 0.357852 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /tmp/maps//J1949-1957_X_20180619_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.201 x 5.069 at -24.83 degrees (North through East) ! Clean map min=-0.0010521 max=0.13275 Jy/beam ! Writing clean map to FITS file: /tmp/maps//J1949-1957_X_20180619_map.fits wmodel /tmp/maps//J1949-1957_X_20180619_map.mod ! Writing 521 model components to file: /tmp/maps//J1949-1957_X_20180619_map.mod wobs /tmp/maps//J1949-1957_X_20180619_uvs.fits ! Writing UV FITS file: /tmp/maps//J1949-1957_X_20180619_uvs.fits wwins /tmp/maps//J1949-1957_X_20180619_map.win ! wwins: Wrote 4 windows to /tmp/maps//J1949-1957_X_20180619_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.132753 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000141437 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.319623 0.319623 0.639246 1.27849 2.55699 5.11397 10.2279 20.4559 40.9118 81.8235 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.132 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 938.605 quit ! Quitting program ! Log file /tmp/maps//J1949-1957_X_20180619_dfm.log closed on Wed Jul 4 23:39:10 2018