! Started logfile: /vlbi/sb072/temp_maps//J1718-3056_X_dfm.log on Tue Mar 5 23:21:51 2019 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 /vlbi/sb072/temp_maps//J1718-3056_X_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1718-3056_X_uvm.fits ! AN table 1: 19 integrations on 21 of 21 possible baselines. ! AN table 2: 19 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1718-3056 ! ! 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 85 lines of history. ! ! Reading 7448 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 J1718-3056_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. ! ! 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=0.999855Jy sigma=29.595864 ! Fit after self-cal, rms=0.976817Jy sigma=28.860137 ! 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=0.8711 mas, bmaj=3.565 mas, bpa=22.63 degrees ! Estimated noise=0.606975 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 = 0.015355 Jy ! Component: 100 - total flux cleaned = 0.0203851 Jy ! Total flux subtracted in 100 components = 0.0203851 Jy ! Clean residual min=-0.002539 max=0.003845 Jy/beam ! Clean residual mean=-0.000009 rms=0.000755 Jy/beam ! Combined flux in latest and established models = 0.0203851 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0203851 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=0.029666Jy sigma=0.822742 ! Fit after self-cal, rms=0.028285Jy sigma=0.780258 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00433346 Jy ! Component: 100 - total flux cleaned = 0.0065215 Jy ! Total flux subtracted in 100 components = 0.0065215 Jy ! Clean residual min=-0.002377 max=0.003190 Jy/beam ! Clean residual mean=-0.000008 rms=0.000644 Jy/beam ! Combined flux in latest and established models = 0.0269066 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 38 components and 0.0269066 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=0.027318Jy sigma=0.741127 ! Fit after self-cal, rms=0.027322Jy sigma=0.740940 ! 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=1.253 mas, bmaj=4.452 mas, bpa=19.75 degrees ! Estimated noise=0.283527 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 = 0.00300637 Jy ! Component: 100 - total flux cleaned = 0.00439977 Jy ! Component: 150 - total flux cleaned = 0.00478121 Jy ! Component: 200 - total flux cleaned = 0.00485455 Jy ! Total flux subtracted in 200 components = 0.00485455 Jy ! Clean residual min=-0.002382 max=0.004657 Jy/beam ! Clean residual mean=-0.000021 rms=0.000881 Jy/beam ! Combined flux in latest and established models = 0.0317612 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 51 components and 0.0317612 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=0.027084Jy sigma=0.729189 ! Fit after self-cal, rms=0.027091Jy sigma=0.728450 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.253 x 4.452 at 19.75 degrees (North through East) ! Clean map min=-0.0023563 max=0.025144 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 KP 1.26 LA 1.05 NL 1.09 ! OV 1.18 PT 0.89 SC 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.82 FD 0.94 KP 1.14 LA 0.77 ! NL 1.13 OV 1.05 PT 0.97 SC 0.84 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 KP 1.26 LA 1.06 NL 0.90 ! OV 1.29 PT 0.94 SC 0.88 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.99 KP 1.15 LA 0.78 ! NL 1.25 OV 1.04 PT 0.85 SC 0.81 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 KP 1.27 LA 1.03 NL 0.92 ! OV 1.26 PT 0.92 SC 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.92 KP 1.24 LA 0.72 ! NL 1.30 OV 1.08 PT 0.83 SC 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.92 KP 1.35 LA 0.99 NL 0.97 ! OV 1.17 PT 1.02 SC 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.93 KP 1.14 LA 0.79 ! NL 1.30 OV 1.03 PT 0.90 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 KP 1.37 LA 0.99 NL 0.81 ! OV 1.28 PT 0.96 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.92 KP 1.28 LA 0.82 ! NL 1.42 OV 1.00 PT 0.88 SC 1.65 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.87 KP 1.43 LA 1.02 NL 0.89 ! OV 1.37 PT 0.97 SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.95 KP 1.23 LA 0.80 ! NL 1.24 OV 1.03 PT 0.91 SC 1.35 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.88 KP 1.26 LA 1.09 NL 1.06 ! OV 1.28 PT 1.05 SC 0.85 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.89 FD 0.94 KP 1.19 LA 0.81 ! NL 1.30 OV 0.98 PT 0.88 SC 1.58 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.91 KP 1.26 LA 0.97 NL 0.99 ! OV 1.41 PT 0.86 SC 0.78 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 FD 0.99 KP 1.26 LA 0.77 ! NL 1.73 OV 1.17 PT 0.85 SC 1.54 ! ! ! Fit before self-cal, rms=0.027091Jy sigma=0.728450 ! Fit after self-cal, rms=0.031348Jy sigma=0.706694 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.272 mas, bmaj=4.588 mas, bpa=19.42 degrees ! Estimated noise=0.284085 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 = 0.000267105 Jy ! Component: 100 - total flux cleaned = 0.000218507 Jy ! Component: 150 - total flux cleaned = 0.000229919 Jy ! Component: 200 - total flux cleaned = 0.00023982 Jy ! Total flux subtracted in 200 components = 0.00023982 Jy ! Clean residual min=-0.001827 max=0.003396 Jy/beam ! Clean residual mean=0.000007 rms=0.000688 Jy/beam ! Combined flux in latest and established models = 0.032001 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 58 components and 0.032001 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=0.031324Jy sigma=0.706080 ! Fit after self-cal, rms=0.031583Jy sigma=0.704198 ! 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=0.031583Jy sigma=0.704198 ! Fit after self-cal, rms=0.032605Jy sigma=0.703844 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.271 mas, bmaj=4.613 mas, bpa=19.53 degrees ! Estimated noise=0.284655 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000166454 Jy ! Component: 100 - total flux cleaned = 0.000164075 Jy ! Component: 150 - total flux cleaned = 0.000191984 Jy ! Component: 200 - total flux cleaned = 0.000200572 Jy ! Total flux subtracted in 200 components = 0.000200572 Jy ! Clean residual min=-0.001748 max=0.003083 Jy/beam ! Clean residual mean=0.000007 rms=0.000660 Jy/beam ! Combined flux in latest and established models = 0.0322016 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 61 components and 0.0322016 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=0.032592Jy sigma=0.703465 ! Fit after self-cal, rms=0.032626Jy sigma=0.703386 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 (6.2, 4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00308617 Jy ! Component: 100 - total flux cleaned = 0.00485028 Jy ! Component: 150 - total flux cleaned = 0.00599369 Jy ! Component: 200 - total flux cleaned = 0.00679192 Jy ! Total flux subtracted in 200 components = 0.00679192 Jy ! Clean residual min=-0.001344 max=0.001729 Jy/beam ! Clean residual mean=0.000011 rms=0.000458 Jy/beam ! Combined flux in latest and established models = 0.0389935 Jy ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 114 components and 0.0389935 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=0.032244Jy sigma=0.691492 ! Fit after self-cal, rms=0.032086Jy sigma=0.689279 ! 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=0.032086Jy sigma=0.689279 ! Fit after self-cal, rms=0.030627Jy sigma=0.687071 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.271 mas, bmaj=4.587 mas, bpa=19.52 degrees ! Estimated noise=0.280954 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00156649 Jy ! Component: 100 - total flux cleaned = 0.00245213 Jy ! Component: 150 - total flux cleaned = 0.00283874 Jy ! Component: 200 - total flux cleaned = 0.00312721 Jy ! Total flux subtracted in 200 components = 0.00312721 Jy ! Clean residual min=-0.001135 max=0.001282 Jy/beam ! Clean residual mean=0.000012 rms=0.000369 Jy/beam ! Combined flux in latest and established models = 0.0421207 Jy selfcal ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 142 components and 0.0421207 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=0.030516Jy sigma=0.683920 ! Fit after self-cal, rms=0.030418Jy sigma=0.682943 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 = 0.000636334 Jy ! Component: 100 - total flux cleaned = 0.000880901 Jy ! Component: 150 - total flux cleaned = 0.00110351 Jy ! Component: 200 - total flux cleaned = 0.00128151 Jy ! Total flux subtracted in 200 components = 0.00128151 Jy ! Clean residual min=-0.001048 max=0.001266 Jy/beam ! Clean residual mean=0.000015 rms=0.000359 Jy/beam ! Combined flux in latest and established models = 0.0434022 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 159 components and 0.0434022 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=0.030379Jy sigma=0.682351 ! Fit after self-cal, rms=0.030360Jy sigma=0.682198 ! 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=0.030360Jy sigma=0.682198 ! Fit after self-cal, rms=0.029672Jy sigma=0.680683 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.667 mas, bmaj=7.15 mas, bpa=9.696 degrees ! Estimated noise=0.308105 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000976052 Jy ! Component: 100 - total flux cleaned = 0.00146206 Jy ! Component: 150 - total flux cleaned = 0.00166295 Jy ! Component: 200 - total flux cleaned = 0.00175306 Jy ! Total flux subtracted in 200 components = 0.00175306 Jy ! Clean residual min=-0.001149 max=0.001298 Jy/beam ! Clean residual mean=0.000019 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.0451553 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 183 components and 0.0451553 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=0.029643Jy sigma=0.679886 ! Fit after self-cal, rms=0.029616Jy sigma=0.679600 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 = 0.000265859 Jy ! Component: 100 - total flux cleaned = 0.000389351 Jy ! Component: 150 - total flux cleaned = 0.000444948 Jy ! Component: 200 - total flux cleaned = 0.000477102 Jy ! Total flux subtracted in 200 components = 0.000477102 Jy ! Clean residual min=-0.001069 max=0.001286 Jy/beam ! Clean residual mean=0.000021 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.0456324 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 190 components and 0.0456324 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=0.029607Jy sigma=0.679504 ! Fit after self-cal, rms=0.029604Jy sigma=0.679462 ! 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=1.272 mas, bmaj=4.57 mas, bpa=19.55 degrees ! Estimated noise=0.279204 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.272 x 4.57 at 19.55 degrees (North through East) ! Clean map min=-0.00093035 max=0.024262 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=0.8826 mas, bmaj=3.614 mas, bpa=22.22 degrees ! Estimated noise=0.607176 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0171564 Jy ! Component: 100 - total flux cleaned = 0.0225139 Jy ! Component: 150 - total flux cleaned = 0.0261291 Jy ! Component: 200 - total flux cleaned = 0.0288801 Jy ! Total flux subtracted in 200 components = 0.0288801 Jy ! Clean residual min=-0.001873 max=0.002160 Jy/beam ! Clean residual mean=-0.000001 rms=0.000514 Jy/beam ! Combined flux in latest and established models = 0.0288801 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 42 model components to the UV plane model. ! The established model now contains 42 components and 0.0288801 Jy ! Inverting map and beam ! Estimated beam: bmin=1.272 mas, bmaj=4.57 mas, bpa=19.55 degrees ! Estimated noise=0.279204 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (2.2, 4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00402218 Jy ! Component: 100 - total flux cleaned = 0.00684846 Jy ! Component: 150 - total flux cleaned = 0.00892306 Jy ! Component: 200 - total flux cleaned = 0.0105035 Jy ! Total flux subtracted in 200 components = 0.0105035 Jy ! Clean residual min=-0.001260 max=0.001298 Jy/beam ! Clean residual mean=0.000007 rms=0.000405 Jy/beam ! Combined flux in latest and established models = 0.0393837 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 99 components and 0.0393837 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=2.667 mas, bmaj=7.15 mas, bpa=9.696 degrees ! Estimated noise=0.308105 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00168279 Jy ! Component: 100 - total flux cleaned = 0.00287851 Jy ! Component: 150 - total flux cleaned = 0.003759 Jy ! Component: 200 - total flux cleaned = 0.00441636 Jy ! Total flux subtracted in 200 components = 0.00441636 Jy ! Clean residual min=-0.001200 max=0.001248 Jy/beam ! Clean residual mean=0.000017 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.0438 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 = 0.000497152 Jy ! Component: 100 - total flux cleaned = 0.000794176 Jy ! Component: 150 - total flux cleaned = 0.000985314 Jy ! Component: 200 - total flux cleaned = 0.00114569 Jy ! Total flux subtracted in 200 components = 0.00114569 Jy ! Clean residual min=-0.001111 max=0.001291 Jy/beam ! Clean residual mean=0.000019 rms=0.000419 Jy/beam ! Combined flux in latest and established models = 0.0449457 Jy ! Adding 103 model components to the UV plane model. ! The established model now contains 194 components and 0.0449458 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.272 mas, bmaj=4.57 mas, bpa=19.55 degrees ! Estimated noise=0.279204 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.79791e-05 Jy ! Component: 100 - total flux cleaned = 7.94528e-05 Jy ! Component: 150 - total flux cleaned = 6.8591e-05 Jy ! Component: 200 - total flux cleaned = 5.88228e-05 Jy ! Total flux subtracted in 200 components = 5.88228e-05 Jy ! Clean residual min=-0.001004 max=0.001080 Jy/beam ! Clean residual mean=0.000012 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.0450046 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 209 components and 0.0450046 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=0.029600Jy sigma=0.679404 ! Fit after self-cal, rms=0.029576Jy sigma=0.679296 wmodel J1718-3056_X_map.mod ! Writing 209 model components to file: J1718-3056_X_map.mod wobs J1718-3056_X_uvs.fits ! Writing UV FITS file: J1718-3056_X_uvs.fits wwins J1718-3056_X_map.win ! wwins: Wrote 3 windows to J1718-3056_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 = 0.000490237 Jy ! Component: 100 - total flux cleaned = 0.000920426 Jy ! Component: 150 - total flux cleaned = 0.00127544 Jy ! Component: 200 - total flux cleaned = 0.00158323 Jy ! Component: 250 - total flux cleaned = 0.00183393 Jy ! Component: 300 - total flux cleaned = 0.00208861 Jy ! Component: 350 - total flux cleaned = 0.00225224 Jy ! Component: 400 - total flux cleaned = 0.00239681 Jy ! Component: 450 - total flux cleaned = 0.00248577 Jy ! Component: 500 - total flux cleaned = 0.00259638 Jy ! Component: 550 - total flux cleaned = 0.00267922 Jy ! Component: 600 - total flux cleaned = 0.00278274 Jy ! Component: 650 - total flux cleaned = 0.0028606 Jy ! Component: 700 - total flux cleaned = 0.00295761 Jy ! Component: 750 - total flux cleaned = 0.00301007 Jy ! Component: 800 - total flux cleaned = 0.00307161 Jy ! Component: 850 - total flux cleaned = 0.00314116 Jy ! Component: 900 - total flux cleaned = 0.00318943 Jy ! Component: 950 - total flux cleaned = 0.00322727 Jy ! Component: 1000 - total flux cleaned = 0.00327349 Jy ! Component: 1050 - total flux cleaned = 0.00329152 Jy ! Component: 1100 - total flux cleaned = 0.00333515 Jy ! Component: 1150 - total flux cleaned = 0.00332647 Jy ! Component: 1200 - total flux cleaned = 0.00335175 Jy ! Component: 1250 - total flux cleaned = 0.00338454 Jy ! Component: 1300 - total flux cleaned = 0.00339268 Jy ! Component: 1350 - total flux cleaned = 0.00340064 Jy ! Component: 1400 - total flux cleaned = 0.00341616 Jy ! Component: 1450 - total flux cleaned = 0.00343141 Jy ! Component: 1500 - total flux cleaned = 0.00346134 Jy ! Component: 1550 - total flux cleaned = 0.00345394 Jy ! Component: 1600 - total flux cleaned = 0.00345409 Jy ! Component: 1650 - total flux cleaned = 0.00346858 Jy ! Component: 1700 - total flux cleaned = 0.00348967 Jy ! Component: 1750 - total flux cleaned = 0.00348269 Jy ! Component: 1800 - total flux cleaned = 0.00349641 Jy ! Component: 1850 - total flux cleaned = 0.00350321 Jy ! Component: 1900 - total flux cleaned = 0.00349638 Jy ! Component: 1950 - total flux cleaned = 0.00349643 Jy ! Component: 2000 - total flux cleaned = 0.00350943 Jy ! Component: 2050 - total flux cleaned = 0.0035159 Jy ! Component: 2100 - total flux cleaned = 0.00352214 Jy ! Component: 2150 - total flux cleaned = 0.0035347 Jy ! Component: 2200 - total flux cleaned = 0.00354709 Jy ! Component: 2250 - total flux cleaned = 0.00355942 Jy ! Component: 2300 - total flux cleaned = 0.00357765 Jy ! Component: 2350 - total flux cleaned = 0.00358359 Jy ! Component: 2400 - total flux cleaned = 0.00360147 Jy ! Component: 2450 - total flux cleaned = 0.00360735 Jy ! Component: 2500 - total flux cleaned = 0.00362484 Jy ! Component: 2550 - total flux cleaned = 0.00363636 Jy ! Component: 2600 - total flux cleaned = 0.00362501 Jy ! Component: 2650 - total flux cleaned = 0.00364767 Jy ! Component: 2700 - total flux cleaned = 0.00366445 Jy ! Component: 2750 - total flux cleaned = 0.00365333 Jy ! Component: 2800 - total flux cleaned = 0.00365889 Jy ! Component: 2850 - total flux cleaned = 0.00366435 Jy ! Component: 2900 - total flux cleaned = 0.00365895 Jy ! Component: 2950 - total flux cleaned = 0.0036697 Jy ! Component: 3000 - total flux cleaned = 0.00366971 Jy ! Component: 3050 - total flux cleaned = 0.00369086 Jy ! Component: 3100 - total flux cleaned = 0.00370659 Jy ! Component: 3150 - total flux cleaned = 0.00371176 Jy ! Component: 3200 - total flux cleaned = 0.00372211 Jy ! Component: 3250 - total flux cleaned = 0.00374269 Jy ! Component: 3300 - total flux cleaned = 0.00374779 Jy ! Component: 3350 - total flux cleaned = 0.00377313 Jy ! Component: 3400 - total flux cleaned = 0.00378826 Jy ! Component: 3450 - total flux cleaned = 0.00380329 Jy ! Component: 3500 - total flux cleaned = 0.00381328 Jy ! Component: 3550 - total flux cleaned = 0.00383314 Jy ! Component: 3600 - total flux cleaned = 0.00384795 Jy ! Component: 3650 - total flux cleaned = 0.00385776 Jy ! Component: 3700 - total flux cleaned = 0.00386753 Jy ! Component: 3750 - total flux cleaned = 0.00386753 Jy ! Component: 3800 - total flux cleaned = 0.00389165 Jy ! Component: 3850 - total flux cleaned = 0.00388203 Jy ! Component: 3900 - total flux cleaned = 0.00390597 Jy ! Component: 3950 - total flux cleaned = 0.00390593 Jy ! Component: 4000 - total flux cleaned = 0.00392015 Jy ! Component: 4050 - total flux cleaned = 0.00390599 Jy ! Total flux subtracted in 4096 components = 0.00392478 Jy ! Clean residual min=-0.000270 max=0.000324 Jy/beam ! Clean residual mean=-0.000002 rms=0.000084 Jy/beam ! Combined flux in latest and established models = 0.0489294 Jy keep ! Adding 260 model components to the UV plane model. ! The established model now contains 469 components and 0.0489294 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1718-3056_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.272 x 4.57 at 19.55 degrees (North through East) ! Clean map min=-0.00046887 max=0.024327 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1718-3056_X_map.fits wmodel /vlbi/sb072/temp_maps//J1718-3056_X_map.mod ! Writing 469 model components to file: /vlbi/sb072/temp_maps//J1718-3056_X_map.mod wobs /vlbi/sb072/temp_maps//J1718-3056_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1718-3056_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1718-3056_X_map.win ! wwins: Wrote 4 windows to /vlbi/sb072/temp_maps//J1718-3056_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0243269 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 8.02877e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.990109 0.990109 1.98022 3.96044 7.92087 15.8417 31.6835 63.367 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.024 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 302.997 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1718-3056_X_dfm.log closed on Tue Mar 5 23:21:55 2019