! Started logfile: /vlbi/bs262/maps//J2357-1125_C_20180501_dfm.log on Mon Jun 4 23:34:48 2018 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/bs262/maps//J2357-1125_C_20180501_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J2357-1125_C_20180501_uva.fits ! AN table 1: 15 integrations on 21 of 21 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J2357-1125 ! ! 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 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 2520 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 = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J2357-1125_C] 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 0.300x0.300 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=1.256703Jy sigma=28.043358 ! Fit after self-cal, rms=0.488729Jy sigma=11.791948 ! 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=1.165 mas, bmaj=3.486 mas, bpa=-0.8941 degrees ! Estimated noise=0.881871 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 = 0.539993 Jy ! Component: 100 - total flux cleaned = 0.737512 Jy ! Total flux subtracted in 100 components = 0.737512 Jy ! Clean residual min=-0.088023 max=0.119041 Jy/beam ! Clean residual mean=0.000127 rms=0.024419 Jy/beam ! Combined flux in latest and established models = 0.737512 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.737512 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=0.374978Jy sigma=8.975577 ! Fit after self-cal, rms=0.374267Jy sigma=8.962094 ! 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=1.389 mas, bmaj=3.9 mas, bpa=-0.4674 degrees ! Estimated noise=0.641354 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 = 0.108647 Jy ! Component: 100 - total flux cleaned = 0.160919 Jy ! Component: 150 - total flux cleaned = 0.182647 Jy ! Component: 200 - total flux cleaned = 0.184848 Jy ! Total flux subtracted in 200 components = 0.184848 Jy ! Clean residual min=-0.071834 max=0.124184 Jy/beam ! Clean residual mean=0.000029 rms=0.024009 Jy/beam ! Combined flux in latest and established models = 0.92236 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 17 components and 0.92236 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=0.340456Jy sigma=8.349008 ! Fit after self-cal, rms=0.340413Jy sigma=8.347926 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.389 x 3.9 at -0.4674 degrees (North through East) ! Clean map min=-0.069228 max=0.7173 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.82 KP 1.80 LA 0.96 MK 0.98 ! NL 0.91 OV 0.88 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.83 KP 1.68 LA 0.91 MK 0.92 ! NL 0.99 OV 0.92 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.81 KP 1.70 LA 0.92 MK 0.92 ! NL 0.97 OV 0.90 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.82 KP 1.68 LA 0.93 MK 0.94 ! NL 0.97 OV 0.91 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.82 KP 1.71 LA 0.92 MK 0.98 ! NL 0.98 OV 0.90 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.79 KP 1.67 LA 0.92 MK 0.94 ! NL 1.00 OV 0.91 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.82 KP 1.68 LA 0.92 MK 0.96 ! NL 0.98 OV 0.90 SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.81 KP 1.68 LA 0.92 MK 0.98 ! NL 1.00 OV 0.90 SC 1.04 ! ! ! Fit before self-cal, rms=0.340413Jy sigma=8.347926 ! Fit after self-cal, rms=0.434522Jy sigma=6.765229 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.374 mas, bmaj=3.861 mas, bpa=-0.8608 degrees ! Estimated noise=0.629885 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, 10.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0201122 Jy ! Component: 100 - total flux cleaned = 0.0330685 Jy ! Component: 150 - total flux cleaned = 0.0407266 Jy ! Component: 200 - total flux cleaned = 0.0453 Jy ! Total flux subtracted in 200 components = 0.0453 Jy ! Clean residual min=-0.012080 max=0.009412 Jy/beam ! Clean residual mean=-0.000007 rms=0.002403 Jy/beam ! Combined flux in latest and established models = 0.96766 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 36 components and 0.96766 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=0.432872Jy sigma=6.729024 ! Fit after self-cal, rms=0.432910Jy sigma=6.727457 ! 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=0.432910Jy sigma=6.727457 ! Fit after self-cal, rms=0.441790Jy sigma=6.725381 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.37 mas, bmaj=3.853 mas, bpa=-0.9269 degrees ! Estimated noise=0.632153 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0097721 Jy ! Component: 100 - total flux cleaned = 0.0167737 Jy ! Component: 150 - total flux cleaned = 0.0206579 Jy ! Component: 200 - total flux cleaned = 0.023661 Jy ! Total flux subtracted in 200 components = 0.023661 Jy ! Clean residual min=-0.010069 max=0.008189 Jy/beam ! Clean residual mean=-0.000004 rms=0.002224 Jy/beam ! Combined flux in latest and established models = 0.991321 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 50 components and 0.991321 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=0.441071Jy sigma=6.719963 ! Fit after self-cal, rms=0.441069Jy sigma=6.719670 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 = 0.00461933 Jy ! Component: 100 - total flux cleaned = 0.00606926 Jy ! Component: 150 - total flux cleaned = 0.0069506 Jy ! Component: 200 - total flux cleaned = 0.0074976 Jy ! Total flux subtracted in 200 components = 0.0074976 Jy ! Clean residual min=-0.009016 max=0.007677 Jy/beam ! Clean residual mean=-0.000005 rms=0.002079 Jy/beam ! Combined flux in latest and established models = 0.998819 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 58 components and 0.998819 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=0.440845Jy sigma=6.718069 ! Fit after self-cal, rms=0.440844Jy sigma=6.717972 ! 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=0.440844Jy sigma=6.717972 ! Fit after self-cal, rms=0.449201Jy sigma=6.715315 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.366 mas, bmaj=3.847 mas, bpa=-0.9747 degrees ! Estimated noise=0.636516 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00761647 Jy ! Component: 100 - total flux cleaned = 0.0110189 Jy ! Component: 150 - total flux cleaned = 0.0136712 Jy ! Component: 200 - total flux cleaned = 0.015212 Jy ! Total flux subtracted in 200 components = 0.015212 Jy ! Clean residual min=-0.009350 max=0.007184 Jy/beam ! Clean residual mean=-0.000004 rms=0.002138 Jy/beam ! Combined flux in latest and established models = 1.01403 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 65 components and 1.01403 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=0.448608Jy sigma=6.715808 ! Fit after self-cal, rms=0.448604Jy sigma=6.715653 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 = 0.00190946 Jy ! Component: 100 - total flux cleaned = 0.00331988 Jy ! Component: 150 - total flux cleaned = 0.00361915 Jy ! Component: 200 - total flux cleaned = 0.00399068 Jy ! Total flux subtracted in 200 components = 0.00399068 Jy ! Clean residual min=-0.009276 max=0.007021 Jy/beam ! Clean residual mean=-0.000005 rms=0.002080 Jy/beam ! Combined flux in latest and established models = 1.01802 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 67 components and 1.01802 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=0.448469Jy sigma=6.715395 ! Fit after self-cal, rms=0.448468Jy sigma=6.715327 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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=0.448468Jy sigma=6.715327 ! Fit after self-cal, rms=0.455842Jy sigma=6.712290 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.694 mas, bmaj=7.927 mas, bpa=-1.079 degrees ! Estimated noise=0.895338 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0099083 Jy ! Component: 100 - total flux cleaned = 0.0146326 Jy ! Component: 150 - total flux cleaned = 0.016771 Jy ! Component: 200 - total flux cleaned = 0.0179622 Jy ! Total flux subtracted in 200 components = 0.0179622 Jy ! Clean residual min=-0.014470 max=0.010590 Jy/beam ! Clean residual mean=-0.000009 rms=0.003925 Jy/beam ! Combined flux in latest and established models = 1.03598 Jy selfcal ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 107 components and 1.03598 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=0.455285Jy sigma=6.717394 ! Fit after self-cal, rms=0.455257Jy sigma=6.716659 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 = 0.00193174 Jy ! Component: 100 - total flux cleaned = 0.00252223 Jy ! Component: 150 - total flux cleaned = 0.00292325 Jy ! Component: 200 - total flux cleaned = 0.0031248 Jy ! Total flux subtracted in 200 components = 0.0031248 Jy ! Clean residual min=-0.014041 max=0.010636 Jy/beam ! Clean residual mean=-0.000011 rms=0.003897 Jy/beam ! Combined flux in latest and established models = 1.03911 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 127 components and 1.03911 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=0.455187Jy sigma=6.717196 ! Fit after self-cal, rms=0.455180Jy sigma=6.717028 ! 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=1.363 mas, bmaj=3.84 mas, bpa=-0.9846 degrees ! Estimated noise=0.641646 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.363 x 3.84 at -0.9846 degrees (North through East) ! Clean map min=-0.0093236 max=0.71877 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.455180Jy sigma=6.717028 ! Fit after self-cal, rms=1.612215Jy sigma=0.666707 ! Inverting map and beam ! Estimated beam: bmin=1.366 mas, bmaj=3.841 mas, bpa=-0.772 degrees ! Estimated noise=0.643432 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00264985 Jy ! Component: 100 - total flux cleaned = -0.00321142 Jy ! Component: 150 - total flux cleaned = -0.00370486 Jy ! Component: 200 - total flux cleaned = -0.00408392 Jy ! Total flux subtracted in 200 components = -0.00408392 Jy ! Clean residual min=-0.005556 max=0.005070 Jy/beam ! Clean residual mean=-0.000001 rms=0.001342 Jy/beam ! Combined flux in latest and established models = 1.03503 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 135 components and 1.03503 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=1.612247Jy sigma=0.652744 ! Fit after self-cal, rms=1.612236Jy sigma=0.652002 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000509308 Jy ! Component: 100 - total flux cleaned = -0.000789387 Jy ! Component: 150 - total flux cleaned = -0.00111067 Jy ! Component: 200 - total flux cleaned = -0.00135627 Jy ! Total flux subtracted in 200 components = -0.00135627 Jy ! Clean residual min=-0.005448 max=0.004929 Jy/beam ! Clean residual mean=-0.000002 rms=0.001297 Jy/beam ! Combined flux in latest and established models = 1.03367 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 136 components and 1.03367 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=1.612265Jy sigma=0.644785 ! Fit after self-cal, rms=1.612250Jy sigma=0.644305 ! Inverting map ! Performing amp+phase self-cal ! ! 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=1.612250Jy sigma=0.644305 ! Fit after self-cal, rms=1.632863Jy sigma=0.643485 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=1.158 mas, bmaj=3.476 mas, bpa=-1.27 degrees ! Estimated noise=0.863538 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.531114 Jy ! Component: 100 - total flux cleaned = 0.729302 Jy ! Component: 150 - total flux cleaned = 0.83372 Jy ! Component: 200 - total flux cleaned = 0.893647 Jy ! Total flux subtracted in 200 components = 0.893647 Jy ! Clean residual min=-0.029423 max=0.029673 Jy/beam ! Clean residual mean=0.000030 rms=0.005960 Jy/beam ! Combined flux in latest and established models = 0.893647 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.893647 Jy ! Inverting map and beam ! Estimated beam: bmin=1.366 mas, bmaj=3.841 mas, bpa=-0.7734 degrees ! Estimated noise=0.643169 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 = 0.0442942 Jy ! Component: 100 - total flux cleaned = 0.0703529 Jy ! Component: 150 - total flux cleaned = 0.0874349 Jy ! Component: 200 - total flux cleaned = 0.1 Jy ! Total flux subtracted in 200 components = 0.1 Jy ! Clean residual min=-0.011708 max=0.010023 Jy/beam ! Clean residual mean=0.000002 rms=0.002401 Jy/beam ! Combined flux in latest and established models = 0.993647 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 30 components and 0.993647 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.696 mas, bmaj=7.928 mas, bpa=-0.9969 degrees ! Estimated noise=0.8957 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0133478 Jy ! Component: 100 - total flux cleaned = 0.0204047 Jy ! Component: 150 - total flux cleaned = 0.0251466 Jy ! Component: 200 - total flux cleaned = 0.0286396 Jy ! Total flux subtracted in 200 components = 0.0286396 Jy ! Clean residual min=-0.007404 max=0.005677 Jy/beam ! Clean residual mean=-0.000001 rms=0.001979 Jy/beam ! Combined flux in latest and established models = 1.02229 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 = 0.00268475 Jy ! Component: 100 - total flux cleaned = 0.00475294 Jy ! Component: 150 - total flux cleaned = 0.00634673 Jy ! Component: 200 - total flux cleaned = 0.00757637 Jy ! Total flux subtracted in 200 components = 0.00757637 Jy ! Clean residual min=-0.007161 max=0.005102 Jy/beam ! Clean residual mean=-0.000001 rms=0.001850 Jy/beam ! Combined flux in latest and established models = 1.02986 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 70 components and 1.02986 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.366 mas, bmaj=3.841 mas, bpa=-0.7734 degrees ! Estimated noise=0.643169 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000752428 Jy ! Component: 100 - total flux cleaned = 0.000957319 Jy ! Component: 150 - total flux cleaned = 0.00166328 Jy ! Component: 200 - total flux cleaned = 0.00226887 Jy ! Total flux subtracted in 200 components = 0.00226887 Jy ! Clean residual min=-0.006778 max=0.006883 Jy/beam ! Clean residual mean=-0.000001 rms=0.001581 Jy/beam ! Combined flux in latest and established models = 1.03213 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 82 components and 1.03213 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=1.632967Jy sigma=0.699063 ! Fit after self-cal, rms=1.632955Jy sigma=0.696324 wmodel J2357-1125_C_map.mod ! Writing 82 model components to file: J2357-1125_C_map.mod wobs J2357-1125_C_uvs.fits ! Writing UV FITS file: J2357-1125_C_uvs.fits wwins J2357-1125_C_map.win ! wwins: Wrote 2 windows to J2357-1125_C_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 = 0.000253263 Jy ! Component: 100 - total flux cleaned = 0.00068362 Jy ! Component: 150 - total flux cleaned = 0.000979378 Jy ! Component: 200 - total flux cleaned = 0.00124607 Jy ! Component: 250 - total flux cleaned = 0.0015001 Jy ! Component: 300 - total flux cleaned = 0.00149788 Jy ! Component: 350 - total flux cleaned = 0.0013464 Jy ! Component: 400 - total flux cleaned = 0.00112896 Jy ! Component: 450 - total flux cleaned = 0.000924458 Jy ! Component: 500 - total flux cleaned = 0.000860293 Jy ! Component: 550 - total flux cleaned = 0.000731062 Jy ! Component: 600 - total flux cleaned = 0.000362053 Jy ! Component: 650 - total flux cleaned = 0.000183863 Jy ! Component: 700 - total flux cleaned = -4.52222e-05 Jy ! Component: 750 - total flux cleaned = -0.00021079 Jy ! Component: 800 - total flux cleaned = -0.000371683 Jy ! Component: 850 - total flux cleaned = -0.000630968 Jy ! Component: 900 - total flux cleaned = -0.000678925 Jy ! Component: 950 - total flux cleaned = -0.000726538 Jy ! Component: 1000 - total flux cleaned = -0.000773681 Jy ! Component: 1050 - total flux cleaned = -0.000727749 Jy ! Component: 1100 - total flux cleaned = -0.000864107 Jy ! Component: 1150 - total flux cleaned = -0.000863654 Jy ! Component: 1200 - total flux cleaned = -0.000949648 Jy ! Component: 1250 - total flux cleaned = -0.0010747 Jy ! Component: 1300 - total flux cleaned = -0.00099301 Jy ! Component: 1350 - total flux cleaned = -0.00111255 Jy ! Component: 1400 - total flux cleaned = -0.00107265 Jy ! Component: 1450 - total flux cleaned = -0.00107252 Jy ! Component: 1500 - total flux cleaned = -0.00110994 Jy ! Component: 1550 - total flux cleaned = -0.00121882 Jy ! Component: 1600 - total flux cleaned = -0.00121872 Jy ! Component: 1650 - total flux cleaned = -0.00128875 Jy ! Component: 1700 - total flux cleaned = -0.00128903 Jy ! Component: 1750 - total flux cleaned = -0.00132256 Jy ! Component: 1800 - total flux cleaned = -0.00135551 Jy ! Component: 1850 - total flux cleaned = -0.00138785 Jy ! Component: 1900 - total flux cleaned = -0.00135606 Jy ! Component: 1950 - total flux cleaned = -0.00132484 Jy ! Component: 2000 - total flux cleaned = -0.0012948 Jy ! Component: 2050 - total flux cleaned = -0.00129492 Jy ! Component: 2100 - total flux cleaned = -0.00129516 Jy ! Component: 2150 - total flux cleaned = -0.00129535 Jy ! Component: 2200 - total flux cleaned = -0.00132339 Jy ! Component: 2250 - total flux cleaned = -0.00137846 Jy ! Component: 2300 - total flux cleaned = -0.00137789 Jy ! Component: 2350 - total flux cleaned = -0.00129798 Jy ! Component: 2400 - total flux cleaned = -0.00140313 Jy ! Component: 2450 - total flux cleaned = -0.00145481 Jy ! Component: 2500 - total flux cleaned = -0.00148 Jy ! Component: 2550 - total flux cleaned = -0.00153061 Jy ! Component: 2600 - total flux cleaned = -0.00160514 Jy ! Component: 2650 - total flux cleaned = -0.00167881 Jy ! Component: 2700 - total flux cleaned = -0.00172703 Jy ! Component: 2750 - total flux cleaned = -0.00177508 Jy ! Component: 2800 - total flux cleaned = -0.00182242 Jy ! Component: 2850 - total flux cleaned = -0.00186901 Jy ! Component: 2900 - total flux cleaned = -0.00191501 Jy ! Component: 2950 - total flux cleaned = -0.00196037 Jy ! Component: 3000 - total flux cleaned = -0.0019602 Jy ! Component: 3050 - total flux cleaned = -0.00202707 Jy ! Component: 3100 - total flux cleaned = -0.00211543 Jy ! Component: 3150 - total flux cleaned = -0.00211534 Jy ! Component: 3200 - total flux cleaned = -0.00215867 Jy ! Component: 3250 - total flux cleaned = -0.0022656 Jy ! Component: 3300 - total flux cleaned = -0.0023077 Jy ! Component: 3350 - total flux cleaned = -0.00237037 Jy ! Component: 3400 - total flux cleaned = -0.00239116 Jy ! Component: 3450 - total flux cleaned = -0.00245258 Jy ! Component: 3500 - total flux cleaned = -0.00251352 Jy ! Component: 3550 - total flux cleaned = -0.00257388 Jy ! Component: 3600 - total flux cleaned = -0.00263347 Jy ! Component: 3650 - total flux cleaned = -0.00265312 Jy ! Component: 3700 - total flux cleaned = -0.00263349 Jy ! Component: 3750 - total flux cleaned = -0.00263362 Jy ! Component: 3800 - total flux cleaned = -0.00267214 Jy ! Component: 3850 - total flux cleaned = -0.00267202 Jy ! Component: 3900 - total flux cleaned = -0.00271007 Jy ! Component: 3950 - total flux cleaned = -0.0027289 Jy ! Component: 4000 - total flux cleaned = -0.00274769 Jy ! Component: 4050 - total flux cleaned = -0.00276634 Jy ! Total flux subtracted in 4096 components = -0.00278495 Jy ! Clean residual min=-0.001010 max=0.000991 Jy/beam ! Clean residual mean=0.000000 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 1.02935 Jy keep ! Adding 271 model components to the UV plane model. ! The established model now contains 353 components and 1.02935 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J2357-1125_C_20180501_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.366 x 3.841 at -0.7734 degrees (North through East) ! Clean map min=-0.0025261 max=0.7147 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J2357-1125_C_20180501_map.fits wmodel /vlbi/bs262/maps//J2357-1125_C_20180501_map.mod ! Writing 353 model components to file: /vlbi/bs262/maps//J2357-1125_C_20180501_map.mod wobs /vlbi/bs262/maps//J2357-1125_C_20180501_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J2357-1125_C_20180501_uvs.fits wwins /vlbi/bs262/maps//J2357-1125_C_20180501_map.win ! wwins: Wrote 3 windows to /vlbi/bs262/maps//J2357-1125_C_20180501_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.714702 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000329957 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.138501 0.138501 0.277002 0.554005 1.10801 2.21602 4.43204 8.86407 17.7281 35.4563 70.9126 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.714 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2166.05 quit ! Quitting program ! Log file /vlbi/bs262/maps//J2357-1125_C_20180501_dfm.log closed on Mon Jun 4 23:34:53 2018