! Started logfile: /vlbi/sb072/temp_maps//J1017+2539_X_dfm.log on Tue Mar 5 22:59:07 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//J1017+2539_X_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1017+2539_X_uvm.fits ! AN table 1: 23 integrations on 36 of 36 possible baselines. ! AN table 2: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1017+2539 ! ! 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 13248 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 J1017+2539_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=1.000363Jy sigma=41.031293 ! Fit after self-cal, rms=0.994006Jy sigma=40.766932 ! 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=0.8305 mas, bmaj=2.06 mas, bpa=-8.406 degrees ! Estimated noise=0.342543 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 = 0.00509728 Jy ! Component: 100 - total flux cleaned = 0.00605175 Jy ! Total flux subtracted in 100 components = 0.00605175 Jy ! Clean residual min=-0.001183 max=0.001273 Jy/beam ! Clean residual mean=-0.000000 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.00605175 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.00605175 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=0.018496Jy sigma=0.726235 ! Fit after self-cal, rms=0.017221Jy sigma=0.671297 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00302213 Jy ! Component: 100 - total flux cleaned = 0.00389493 Jy ! Total flux subtracted in 100 components = 0.00389493 Jy ! Clean residual min=-0.001080 max=0.001207 Jy/beam ! Clean residual mean=-0.000001 rms=0.000262 Jy/beam ! Combined flux in latest and established models = 0.00994667 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 10 components and 0.00994667 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=0.016779Jy sigma=0.651647 ! Fit after self-cal, rms=0.016776Jy sigma=0.651439 ! 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=1.124 mas, bmaj=2.372 mas, bpa=-6.318 degrees ! Estimated noise=0.152366 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 = -4.23674e-05 Jy ! Component: 100 - total flux cleaned = -0.000145947 Jy ! Component: 150 - total flux cleaned = -0.000226464 Jy ! Component: 200 - total flux cleaned = -0.000296043 Jy ! Total flux subtracted in 200 components = -0.000296043 Jy ! Clean residual min=-0.000744 max=0.000534 Jy/beam ! Clean residual mean=-0.000001 rms=0.000148 Jy/beam ! Combined flux in latest and established models = 0.00965063 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 13 components and 0.00965063 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=0.016761Jy sigma=0.650739 ! Fit after self-cal, rms=0.016756Jy sigma=0.650640 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.124 x 2.372 at -6.318 degrees (North through East) ! Clean map min=-0.00074536 max=0.0099914 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.09 HN 0.90 KP 0.92 ! LA 1.00 NL 1.13 OV 1.03 PT 1.19 ! SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.29 FD 1.09 KP 1.05 LA 1.15 ! MK 1.12 NL 0.64 OV 0.88 PT 0.99 ! SC 0.91 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.22 HN 0.90 KP 0.99 ! LA 1.03 NL 1.12 OV 1.12 PT 1.06 ! SC 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.13 FD 1.07 KP 1.14 LA 1.18 ! MK 0.89 NL 0.63 OV 1.01 PT 1.07 ! SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.84 HN 0.90 KP 1.08 ! LA 1.06 NL 0.97 OV 1.24 PT 1.23 ! SC 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.33 FD 1.03 KP 1.22 LA 1.00 ! MK 1.18 NL 0.56 OV 0.97 PT 0.96 ! SC 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.95 HN 0.89 KP 1.21 ! LA 0.95 NL 1.11 OV 1.10 PT 0.94 ! SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.28 FD 1.15 KP 1.26 LA 0.93 ! MK 0.89 NL 0.74 OV 0.88 PT 1.23 ! SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.15 HN 1.09 KP 0.98 ! LA 0.93 NL 1.05 OV 1.02 PT 1.04 ! SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.27 KP 1.02 LA 1.34 ! MK 1.01 NL 0.52 OV 0.84 PT 1.33 ! SC 0.88 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.90 HN 0.99 KP 1.16 ! LA 1.08 NL 0.77 OV 1.12 PT 1.23 ! SC 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.31 FD 1.04 KP 0.93 LA 1.25 ! MK 1.18 NL 0.65 OV 0.88 PT 0.98 ! SC 0.85 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.88 HN 1.03 KP 1.21 ! LA 1.01 NL 1.06 OV 1.02 PT 1.03 ! SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.10 KP 1.11 LA 0.95 ! MK 1.04 NL 0.79 OV 0.85 PT 1.12 ! SC 0.74 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.05 HN 0.91 KP 1.25 ! LA 1.01 NL 0.87 OV 1.13 PT 1.05 ! SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.24 KP 1.22 LA 1.00 ! MK 1.09 NL 0.74 OV 0.97 PT 1.00 ! SC 0.74 ! ! ! Fit before self-cal, rms=0.016756Jy sigma=0.650640 ! Fit after self-cal, rms=0.016648Jy sigma=0.643225 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.111 mas, bmaj=2.339 mas, bpa=-7.177 degrees ! Estimated noise=0.150999 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 = 8.57719e-05 Jy ! Component: 100 - total flux cleaned = 0.000111049 Jy ! Component: 150 - total flux cleaned = 0.000123779 Jy ! Component: 200 - total flux cleaned = 0.000133346 Jy ! Total flux subtracted in 200 components = 0.000133346 Jy ! Clean residual min=-0.000400 max=0.000370 Jy/beam ! Clean residual mean=-0.000001 rms=0.000097 Jy/beam ! Combined flux in latest and established models = 0.00978398 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 19 components and 0.00978398 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=0.016647Jy sigma=0.643200 ! Fit after self-cal, rms=0.016856Jy sigma=0.639589 ! 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=0.016856Jy sigma=0.639589 ! Fit after self-cal, rms=0.018379Jy sigma=0.637724 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.112 mas, bmaj=2.313 mas, bpa=-7.348 degrees ! Estimated noise=0.153863 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.02107e-05 Jy ! Component: 100 - total flux cleaned = 0.000129089 Jy ! Component: 150 - total flux cleaned = 0.000134285 Jy ! Component: 200 - total flux cleaned = 0.000140648 Jy ! Total flux subtracted in 200 components = 0.000140648 Jy ! Clean residual min=-0.000398 max=0.000380 Jy/beam ! Clean residual mean=-0.000001 rms=0.000096 Jy/beam ! Combined flux in latest and established models = 0.00992463 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 30 components and 0.00992463 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=0.018378Jy sigma=0.637703 ! Fit after self-cal, rms=0.018584Jy sigma=0.636046 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 = -0.000188402 Jy ! Component: 100 - total flux cleaned = -0.000270574 Jy ! Component: 150 - total flux cleaned = -0.000295743 Jy ! Component: 200 - total flux cleaned = -0.000313787 Jy ! Total flux subtracted in 200 components = -0.000313787 Jy ! Clean residual min=-0.000469 max=0.000424 Jy/beam ! Clean residual mean=-0.000001 rms=0.000101 Jy/beam ! Combined flux in latest and established models = 0.00961084 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 32 components and 0.00961084 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=0.018580Jy sigma=0.636045 ! Fit after self-cal, rms=0.018586Jy sigma=0.636010 ! 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=0.018586Jy sigma=0.636010 ! Fit after self-cal, rms=0.020308Jy sigma=0.635188 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.113 mas, bmaj=2.295 mas, bpa=-7.573 degrees ! Estimated noise=0.155884 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000115833 Jy ! Component: 100 - total flux cleaned = 0.000182163 Jy ! Component: 150 - total flux cleaned = 0.000226435 Jy ! Component: 200 - total flux cleaned = 0.000251721 Jy ! Total flux subtracted in 200 components = 0.000251721 Jy ! Clean residual min=-0.000426 max=0.000392 Jy/beam ! Clean residual mean=-0.000001 rms=0.000096 Jy/beam ! Combined flux in latest and established models = 0.00986256 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 34 components and 0.00986256 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=0.020307Jy sigma=0.635161 ! Fit after self-cal, rms=0.020472Jy sigma=0.634683 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 (-10.6, 29.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0003736 Jy ! Component: 100 - total flux cleaned = 0.000450875 Jy ! Component: 150 - total flux cleaned = 0.00048792 Jy ! Component: 200 - total flux cleaned = 0.000494343 Jy ! Total flux subtracted in 200 components = 0.000494343 Jy ! Clean residual min=-0.000417 max=0.000369 Jy/beam ! Clean residual mean=-0.000001 rms=0.000093 Jy/beam ! Combined flux in latest and established models = 0.0103569 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 51 components and 0.0103569 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=0.020458Jy sigma=0.634343 ! Fit after self-cal, rms=0.020470Jy sigma=0.634210 ! 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=0.020470Jy sigma=0.634210 ! Fit after self-cal, rms=0.022549Jy sigma=0.633871 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.146 mas, bmaj=2.936 mas, bpa=-4.755 degrees ! Estimated noise=0.191344 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000291978 Jy ! Component: 100 - total flux cleaned = 0.000424147 Jy ! Component: 150 - total flux cleaned = 0.000487078 Jy ! Component: 200 - total flux cleaned = 0.000524517 Jy ! Total flux subtracted in 200 components = 0.000524517 Jy ! Clean residual min=-0.000416 max=0.000394 Jy/beam ! Clean residual mean=-0.000001 rms=0.000114 Jy/beam ! Combined flux in latest and established models = 0.0108814 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 60 components and 0.0108814 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=0.022545Jy sigma=0.633814 ! Fit after self-cal, rms=0.022671Jy sigma=0.633482 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 = 0.000191321 Jy ! Component: 100 - total flux cleaned = 0.000208008 Jy ! Component: 150 - total flux cleaned = 0.000204015 Jy ! Component: 200 - total flux cleaned = 0.000189056 Jy ! Total flux subtracted in 200 components = 0.000189056 Jy ! Clean residual min=-0.000424 max=0.000384 Jy/beam ! Clean residual mean=-0.000001 rms=0.000113 Jy/beam ! Combined flux in latest and established models = 0.0110705 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 73 components and 0.0110705 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=0.022668Jy sigma=0.633464 ! Fit after self-cal, rms=0.022674Jy sigma=0.633422 ! 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=1.112 mas, bmaj=2.281 mas, bpa=-7.675 degrees ! Estimated noise=0.158472 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.112 x 2.281 at -7.675 degrees (North through East) ! Clean map min=-0.00040813 max=0.0096691 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=0.8171 mas, bmaj=1.995 mas, bpa=-10.73 degrees ! Estimated noise=0.345063 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00737225 Jy ! Component: 100 - total flux cleaned = 0.00904061 Jy ! Component: 150 - total flux cleaned = 0.0094536 Jy ! Component: 200 - total flux cleaned = 0.00978693 Jy ! Total flux subtracted in 200 components = 0.00978693 Jy ! Clean residual min=-0.001088 max=0.001088 Jy/beam ! Clean residual mean=-0.000000 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.00978693 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.00978693 Jy ! Inverting map and beam ! Estimated beam: bmin=1.112 mas, bmaj=2.281 mas, bpa=-7.675 degrees ! Estimated noise=0.158472 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 = 0.000713944 Jy ! Component: 100 - total flux cleaned = 0.00111884 Jy ! Component: 150 - total flux cleaned = 0.0012504 Jy ! Component: 200 - total flux cleaned = 0.00130877 Jy ! Total flux subtracted in 200 components = 0.00130877 Jy ! Clean residual min=-0.000430 max=0.000370 Jy/beam ! Clean residual mean=-0.000000 rms=0.000098 Jy/beam ! Combined flux in latest and established models = 0.0110957 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 39 components and 0.0110957 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=2.146 mas, bmaj=2.936 mas, bpa=-4.755 degrees ! Estimated noise=0.191344 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000204932 Jy ! Component: 100 - total flux cleaned = 0.000198415 Jy ! Component: 150 - total flux cleaned = 0.000191808 Jy ! Component: 200 - total flux cleaned = 0.000180079 Jy ! Total flux subtracted in 200 components = 0.000180079 Jy ! Clean residual min=-0.000448 max=0.000396 Jy/beam ! Clean residual mean=-0.000001 rms=0.000118 Jy/beam ! Combined flux in latest and established models = 0.0112758 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 = -5.04499e-06 Jy ! Component: 100 - total flux cleaned = -1.42646e-05 Jy ! Component: 150 - total flux cleaned = -1.83173e-05 Jy ! Component: 200 - total flux cleaned = -2.58332e-05 Jy ! Total flux subtracted in 200 components = -2.58332e-05 Jy ! Clean residual min=-0.000435 max=0.000393 Jy/beam ! Clean residual mean=-0.000001 rms=0.000116 Jy/beam ! Combined flux in latest and established models = 0.01125 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 71 components and 0.01125 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.112 mas, bmaj=2.281 mas, bpa=-7.675 degrees ! Estimated noise=0.158472 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.0668e-05 Jy ! Component: 100 - total flux cleaned = -2.48727e-05 Jy ! Component: 150 - total flux cleaned = -3.29173e-05 Jy ! Component: 200 - total flux cleaned = -4.02202e-05 Jy ! Total flux subtracted in 200 components = -4.02202e-05 Jy ! Clean residual min=-0.000416 max=0.000377 Jy/beam ! Clean residual mean=-0.000001 rms=0.000093 Jy/beam ! Combined flux in latest and established models = 0.0112097 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 89 components and 0.0112097 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=0.022669Jy sigma=0.633341 ! Fit after self-cal, rms=0.022672Jy sigma=0.633240 wmodel J1017+2539_X_map.mod ! Writing 89 model components to file: J1017+2539_X_map.mod wobs J1017+2539_X_uvs.fits ! Writing UV FITS file: J1017+2539_X_uvs.fits wwins J1017+2539_X_map.win ! wwins: Wrote 2 windows to J1017+2539_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 = -0.000177929 Jy ! Component: 100 - total flux cleaned = -0.000289792 Jy ! Component: 150 - total flux cleaned = -0.000367974 Jy ! Component: 200 - total flux cleaned = -0.000435891 Jy ! Component: 250 - total flux cleaned = -0.000471595 Jy ! Component: 300 - total flux cleaned = -0.000517788 Jy ! Component: 350 - total flux cleaned = -0.000551403 Jy ! Component: 400 - total flux cleaned = -0.000584319 Jy ! Component: 450 - total flux cleaned = -0.00062722 Jy ! Component: 500 - total flux cleaned = -0.000669263 Jy ! Component: 550 - total flux cleaned = -0.000689916 Jy ! Component: 600 - total flux cleaned = -0.000725468 Jy ! Component: 650 - total flux cleaned = -0.000755416 Jy ! Component: 700 - total flux cleaned = -0.000770211 Jy ! Component: 750 - total flux cleaned = -0.000784775 Jy ! Component: 800 - total flux cleaned = -0.000799096 Jy ! Component: 850 - total flux cleaned = -0.000817899 Jy ! Component: 900 - total flux cleaned = -0.000827195 Jy ! Component: 950 - total flux cleaned = -0.000836339 Jy ! Component: 1000 - total flux cleaned = -0.000845389 Jy ! Component: 1050 - total flux cleaned = -0.000849871 Jy ! Component: 1100 - total flux cleaned = -0.000854222 Jy ! Component: 1150 - total flux cleaned = -0.000858589 Jy ! Component: 1200 - total flux cleaned = -0.000867099 Jy ! Component: 1250 - total flux cleaned = -0.000862876 Jy ! Component: 1300 - total flux cleaned = -0.000871276 Jy ! Component: 1350 - total flux cleaned = -0.00087543 Jy ! Component: 1400 - total flux cleaned = -0.000879516 Jy ! Component: 1450 - total flux cleaned = -0.000891672 Jy ! Component: 1500 - total flux cleaned = -0.000891651 Jy ! Component: 1550 - total flux cleaned = -0.000899603 Jy ! Component: 1600 - total flux cleaned = -0.000927106 Jy ! Component: 1650 - total flux cleaned = -0.000934892 Jy ! Component: 1700 - total flux cleaned = -0.000938751 Jy ! Component: 1750 - total flux cleaned = -0.000950275 Jy ! Component: 1800 - total flux cleaned = -0.00096164 Jy ! Component: 1850 - total flux cleaned = -0.00098793 Jy ! Component: 1900 - total flux cleaned = -0.000980478 Jy ! Component: 1950 - total flux cleaned = -0.000984205 Jy ! Component: 2000 - total flux cleaned = -0.00100256 Jy ! Component: 2050 - total flux cleaned = -0.00101709 Jy ! Component: 2100 - total flux cleaned = -0.00102428 Jy ! Component: 2150 - total flux cleaned = -0.00104561 Jy ! Component: 2200 - total flux cleaned = -0.00104557 Jy ! Component: 2250 - total flux cleaned = -0.00106313 Jy ! Component: 2300 - total flux cleaned = -0.00108399 Jy ! Component: 2350 - total flux cleaned = -0.00108743 Jy ! Component: 2400 - total flux cleaned = -0.00111489 Jy ! Component: 2450 - total flux cleaned = -0.00113187 Jy ! Component: 2500 - total flux cleaned = -0.00114543 Jy ! Component: 2550 - total flux cleaned = -0.00117232 Jy ! Component: 2600 - total flux cleaned = -0.00118896 Jy ! Component: 2650 - total flux cleaned = -0.00120552 Jy ! Component: 2700 - total flux cleaned = -0.00122527 Jy ! Component: 2750 - total flux cleaned = -0.00126119 Jy ! Component: 2800 - total flux cleaned = -0.0012709 Jy ! Component: 2850 - total flux cleaned = -0.00128699 Jy ! Component: 2900 - total flux cleaned = -0.00129982 Jy ! Component: 2950 - total flux cleaned = -0.00133484 Jy ! Component: 3000 - total flux cleaned = -0.00135064 Jy ! Component: 3050 - total flux cleaned = -0.00136635 Jy ! Component: 3100 - total flux cleaned = -0.00141013 Jy ! Component: 3150 - total flux cleaned = -0.00142567 Jy ! Component: 3200 - total flux cleaned = -0.00144734 Jy ! Component: 3250 - total flux cleaned = -0.00148115 Jy ! Component: 3300 - total flux cleaned = -0.0015025 Jy ! Component: 3350 - total flux cleaned = -0.00151767 Jy ! Component: 3400 - total flux cleaned = -0.00155392 Jy ! Component: 3450 - total flux cleaned = -0.00157188 Jy ! Component: 3500 - total flux cleaned = -0.00159278 Jy ! Component: 3550 - total flux cleaned = -0.00161058 Jy ! Component: 3600 - total flux cleaned = -0.00164897 Jy ! Component: 3650 - total flux cleaned = -0.00167537 Jy ! Component: 3700 - total flux cleaned = -0.00169578 Jy ! Component: 3750 - total flux cleaned = -0.00171899 Jy ! Component: 3800 - total flux cleaned = -0.00173345 Jy ! Component: 3850 - total flux cleaned = -0.00176507 Jy ! Component: 3900 - total flux cleaned = -0.00178507 Jy ! Component: 3950 - total flux cleaned = -0.00180214 Jy ! Component: 4000 - total flux cleaned = -0.00181062 Jy ! Component: 4050 - total flux cleaned = -0.00183599 Jy ! Total flux subtracted in 4096 components = -0.0018584 Jy ! Clean residual min=-0.000157 max=0.000171 Jy/beam ! Clean residual mean=-0.000000 rms=0.000050 Jy/beam ! Combined flux in latest and established models = 0.00935133 Jy keep ! Adding 294 model components to the UV plane model. ! The established model now contains 383 components and 0.00935133 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1017+2539_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.112 x 2.281 at -7.675 degrees (North through East) ! Clean map min=-0.00040626 max=0.0096009 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1017+2539_X_map.fits wmodel /vlbi/sb072/temp_maps//J1017+2539_X_map.mod ! Writing 383 model components to file: /vlbi/sb072/temp_maps//J1017+2539_X_map.mod wobs /vlbi/sb072/temp_maps//J1017+2539_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1017+2539_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1017+2539_X_map.win ! wwins: Wrote 3 windows to /vlbi/sb072/temp_maps//J1017+2539_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0096009 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 4.9762e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.55492 1.55492 3.10983 6.21967 12.4393 24.8787 49.7573 99.5147 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.009 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 192.936 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1017+2539_X_dfm.log closed on Tue Mar 5 22:59:11 2019