! Started logfile: /vlbi/sb072/temp_maps//J1808+4542_C_dfm.log on Fri Jan 25 19:43:18 2019 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/sb072/temp_maps//J1808+4542_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1808+4542_C_uva.fits ! AN table 1: 7 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1808+4542 ! ! 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 J1808+4542_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=1.283036Jy sigma=53.435430 ! Fit after self-cal, rms=0.301399Jy sigma=13.343711 ! 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=1.254 mas, bmaj=4.612 mas, bpa=-24.15 degrees ! Estimated noise=0.544445 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 = 0.579387 Jy ! Component: 100 - total flux cleaned = 0.705732 Jy ! Total flux subtracted in 100 components = 0.705732 Jy ! Clean residual min=-0.033910 max=0.045786 Jy/beam ! Clean residual mean=0.000030 rms=0.007263 Jy/beam ! Combined flux in latest and established models = 0.705732 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.705732 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=0.147275Jy sigma=5.930713 ! Fit after self-cal, rms=0.147274Jy sigma=5.930666 ! Inverting map ! Added new window around map position (25.5, -17.7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0448605 Jy ! Component: 100 - total flux cleaned = 0.0602879 Jy ! Total flux subtracted in 100 components = 0.0602879 Jy ! Clean residual min=-0.033136 max=0.039049 Jy/beam ! Clean residual mean=0.000030 rms=0.006592 Jy/beam ! Combined flux in latest and established models = 0.76602 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.76602 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=0.136050Jy sigma=5.615258 ! Fit after self-cal, rms=0.135179Jy sigma=5.582204 ! 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=1.646 mas, bmaj=4.771 mas, bpa=-24.25 degrees ! Estimated noise=0.360083 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 = 0.00355302 Jy ! Component: 100 - total flux cleaned = 0.00596056 Jy ! Component: 150 - total flux cleaned = 0.00898696 Jy ! Component: 200 - total flux cleaned = 0.0107308 Jy ! Total flux subtracted in 200 components = 0.0107308 Jy ! Clean residual min=-0.031979 max=0.036514 Jy/beam ! Clean residual mean=0.000061 rms=0.006861 Jy/beam ! Combined flux in latest and established models = 0.77675 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 23 components and 0.77675 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=0.130718Jy sigma=5.400178 ! Fit after self-cal, rms=0.130474Jy sigma=5.391133 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.646 x 4.771 at -24.25 degrees (North through East) ! Clean map min=-0.030408 max=0.71566 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.09 HN 1.08 KP 1.10 ! LA 1.16 MK 1.09 NL 1.21 OV 1.18 ! PT 1.04 SC 1.10 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.06 HN 1.06 KP 1.05 ! LA 1.16 MK 1.05 NL 1.18 OV 1.13 ! PT 0.99 SC 1.07 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 0.99 HN 0.97 KP 0.98 ! LA 1.12 MK 1.07 NL 1.08 OV 1.04 ! PT 1.32 SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.94 HN 0.95 KP 0.95 ! LA 1.12 MK 0.98 NL 1.10 OV 0.98 ! PT 0.90 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.89 HN 0.91 KP 0.93 ! LA 1.13 MK 0.95 NL 0.97 OV 0.93 ! PT 0.85 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.89 HN 0.90 KP 0.92 ! LA 1.14 MK 0.97 NL 0.95 OV 0.93 ! PT 0.85 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.88 HN 0.91 KP 0.92 ! LA 1.14 MK 0.95 NL 0.95 OV 0.91 ! PT 0.84 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.87 HN 0.91 KP 0.91 ! LA 1.16 MK 0.94 NL 0.93 OV 0.89 ! PT 0.83 SC 0.95 ! ! ! Fit before self-cal, rms=0.130474Jy sigma=5.391133 ! Fit after self-cal, rms=0.041548Jy sigma=1.557396 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.632 mas, bmaj=4.747 mas, bpa=-24.46 degrees ! Estimated noise=0.362197 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 = -0.0128531 Jy ! Component: 100 - total flux cleaned = -0.0118881 Jy ! Component: 150 - total flux cleaned = -0.0118648 Jy ! Component: 200 - total flux cleaned = -0.0120797 Jy ! Total flux subtracted in 200 components = -0.0120797 Jy ! Clean residual min=-0.007804 max=0.005155 Jy/beam ! Clean residual mean=0.000002 rms=0.001307 Jy/beam ! Combined flux in latest and established models = 0.764671 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 37 components and 0.764671 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=0.035047Jy sigma=1.292650 ! Fit after self-cal, rms=0.034331Jy sigma=1.254207 ! 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=0.034331Jy sigma=1.254207 ! Fit after self-cal, rms=0.033480Jy sigma=1.213610 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.632 mas, bmaj=4.74 mas, bpa=-24.5 degrees ! Estimated noise=0.361219 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00650427 Jy ! Component: 100 - total flux cleaned = -0.0069058 Jy ! Component: 150 - total flux cleaned = -0.00659216 Jy ! Component: 200 - total flux cleaned = -0.00631522 Jy ! Total flux subtracted in 200 components = -0.00631522 Jy ! Clean residual min=-0.006163 max=0.004273 Jy/beam ! Clean residual mean=0.000001 rms=0.000986 Jy/beam ! Combined flux in latest and established models = 0.758355 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 43 components and 0.758355 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=0.030776Jy sigma=1.098976 ! Fit after self-cal, rms=0.030548Jy sigma=1.086025 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 = -0.00193116 Jy ! Component: 100 - total flux cleaned = -0.00158063 Jy ! Component: 150 - total flux cleaned = -0.00138036 Jy ! Component: 200 - total flux cleaned = -0.00128994 Jy ! Total flux subtracted in 200 components = -0.00128994 Jy ! Clean residual min=-0.005660 max=0.004127 Jy/beam ! Clean residual mean=0.000001 rms=0.000885 Jy/beam ! Combined flux in latest and established models = 0.757065 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 47 components and 0.757065 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=0.029679Jy sigma=1.048605 ! Fit after self-cal, rms=0.029639Jy sigma=1.045856 ! 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=0.029639Jy sigma=1.045856 ! Fit after self-cal, rms=0.029066Jy sigma=1.014594 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.631 mas, bmaj=4.735 mas, bpa=-24.53 degrees ! Estimated noise=0.360641 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0038176 Jy ! Component: 100 - total flux cleaned = -0.00429324 Jy ! Component: 150 - total flux cleaned = -0.00410415 Jy ! Component: 200 - total flux cleaned = -0.0040208 Jy ! Total flux subtracted in 200 components = -0.0040208 Jy ! Clean residual min=-0.004584 max=0.003247 Jy/beam ! Clean residual mean=0.000000 rms=0.000737 Jy/beam ! Combined flux in latest and established models = 0.753045 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 52 components and 0.753045 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=0.028179Jy sigma=0.973732 ! Fit after self-cal, rms=0.028140Jy sigma=0.970967 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 = -0.000679239 Jy ! Component: 100 - total flux cleaned = -0.000535995 Jy ! Component: 150 - total flux cleaned = -0.00040919 Jy ! Component: 200 - total flux cleaned = -0.000238455 Jy ! Total flux subtracted in 200 components = -0.000238455 Jy ! Clean residual min=-0.004314 max=0.003349 Jy/beam ! Clean residual mean=0.000001 rms=0.000695 Jy/beam ! Combined flux in latest and established models = 0.752806 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 59 components and 0.752806 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=0.027821Jy sigma=0.956787 ! Fit after self-cal, rms=0.027815Jy sigma=0.956047 ! 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=0.027815Jy sigma=0.956047 ! Fit after self-cal, rms=0.027633Jy sigma=0.943928 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.586 mas, bmaj=5.192 mas, bpa=-27.89 degrees ! Estimated noise=0.442077 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000312631 Jy ! Component: 100 - total flux cleaned = 0.000446314 Jy ! Component: 150 - total flux cleaned = 0.000390461 Jy ! Component: 200 - total flux cleaned = 0.000442116 Jy ! Total flux subtracted in 200 components = 0.000442116 Jy ! Clean residual min=-0.003434 max=0.003073 Jy/beam ! Clean residual mean=0.000002 rms=0.000765 Jy/beam ! Combined flux in latest and established models = 0.753248 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 72 components and 0.753248 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=0.027401Jy sigma=0.933125 ! Fit after self-cal, rms=0.027395Jy sigma=0.932427 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 = -0.000306022 Jy ! Component: 100 - total flux cleaned = -0.00035363 Jy ! Component: 150 - total flux cleaned = -0.000394866 Jy ! Component: 200 - total flux cleaned = -0.000394074 Jy ! Total flux subtracted in 200 components = -0.000394074 Jy ! Clean residual min=-0.003182 max=0.002911 Jy/beam ! Clean residual mean=0.000002 rms=0.000718 Jy/beam ! Combined flux in latest and established models = 0.752854 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 79 components and 0.752854 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=0.027281Jy sigma=0.927034 ! Fit after self-cal, rms=0.027282Jy sigma=0.926812 ! 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=1.63 mas, bmaj=4.733 mas, bpa=-24.55 degrees ! Estimated noise=0.360301 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.63 x 4.733 at -24.55 degrees (North through East) ! Clean map min=-0.0033982 max=0.7222 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=0.027282Jy sigma=0.926812 ! Fit after self-cal, rms=0.023695Jy sigma=0.736588 ! Inverting map and beam ! Estimated beam: bmin=1.629 mas, bmaj=4.731 mas, bpa=-24.55 degrees ! Estimated noise=0.360163 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00183968 Jy ! Component: 100 - total flux cleaned = -0.00178469 Jy ! Component: 150 - total flux cleaned = -0.00168549 Jy ! Component: 200 - total flux cleaned = -0.00155742 Jy ! Total flux subtracted in 200 components = -0.00155742 Jy ! Clean residual min=-0.003244 max=0.002848 Jy/beam ! Clean residual mean=0.000000 rms=0.000531 Jy/beam ! Combined flux in latest and established models = 0.751297 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 91 components and 0.751297 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=0.023459Jy sigma=0.723818 ! Fit after self-cal, rms=0.023459Jy sigma=0.723502 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000158451 Jy ! Component: 100 - total flux cleaned = -8.40289e-05 Jy ! Component: 150 - total flux cleaned = -4.83079e-05 Jy ! Component: 200 - total flux cleaned = -1.66024e-05 Jy ! Total flux subtracted in 200 components = -1.66024e-05 Jy ! Clean residual min=-0.003146 max=0.002829 Jy/beam ! Clean residual mean=0.000001 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.75128 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 95 components and 0.75128 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=0.023362Jy sigma=0.718601 ! Fit after self-cal, rms=0.023363Jy sigma=0.718450 ! 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=0.023363Jy sigma=0.718450 ! Fit after self-cal, rms=0.023310Jy sigma=0.714214 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=1.245 mas, bmaj=4.563 mas, bpa=-24.42 degrees ! Estimated noise=0.533215 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.567426 Jy ! Component: 100 - total flux cleaned = 0.691162 Jy ! Component: 150 - total flux cleaned = 0.718786 Jy ! Component: 200 - total flux cleaned = 0.727907 Jy ! Total flux subtracted in 200 components = 0.727907 Jy ! Clean residual min=-0.006903 max=0.007090 Jy/beam ! Clean residual mean=-0.000002 rms=0.000935 Jy/beam ! Combined flux in latest and established models = 0.727907 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.727907 Jy ! Inverting map and beam ! Estimated beam: bmin=1.628 mas, bmaj=4.731 mas, bpa=-24.56 degrees ! Estimated noise=0.360087 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 (1.8, -5.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00816667 Jy ! Component: 100 - total flux cleaned = 0.0135855 Jy ! Component: 150 - total flux cleaned = 0.0166689 Jy ! Component: 200 - total flux cleaned = 0.0179696 Jy ! Total flux subtracted in 200 components = 0.0179696 Jy ! Clean residual min=-0.002832 max=0.003058 Jy/beam ! Clean residual mean=-0.000001 rms=0.000562 Jy/beam ! Combined flux in latest and established models = 0.745877 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 42 components and 0.745877 Jy ! Inverting map ! Added new window around map position (-2.7, -0.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000648701 Jy ! Component: 100 - total flux cleaned = 0.00125192 Jy ! Component: 150 - total flux cleaned = 0.00185691 Jy ! Component: 200 - total flux cleaned = 0.0023024 Jy ! Total flux subtracted in 200 components = 0.0023024 Jy ! Clean residual min=-0.002462 max=0.002173 Jy/beam ! Clean residual mean=0.000000 rms=0.000471 Jy/beam ! Combined flux in latest and established models = 0.748179 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 57 components and 0.748179 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=3.585 mas, bmaj=5.19 mas, bpa=-27.88 degrees ! Estimated noise=0.442328 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000300169 Jy ! Component: 100 - total flux cleaned = 0.000300702 Jy ! Component: 150 - total flux cleaned = 0.000349346 Jy ! Component: 200 - total flux cleaned = 0.000393729 Jy ! Total flux subtracted in 200 components = 0.000393729 Jy ! Clean residual min=-0.001878 max=0.001929 Jy/beam ! Clean residual mean=-0.000000 rms=0.000507 Jy/beam ! Combined flux in latest and established models = 0.748573 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 = 3.90237e-05 Jy ! Component: 100 - total flux cleaned = 3.91398e-05 Jy ! Component: 150 - total flux cleaned = 7.38088e-05 Jy ! Component: 200 - total flux cleaned = 0.000136608 Jy ! Total flux subtracted in 200 components = 0.000136608 Jy ! Clean residual min=-0.001772 max=0.001833 Jy/beam ! Clean residual mean=-0.000000 rms=0.000468 Jy/beam ! Combined flux in latest and established models = 0.74871 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 93 components and 0.74871 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.628 mas, bmaj=4.731 mas, bpa=-24.56 degrees ! Estimated noise=0.360087 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.08884e-05 Jy ! Component: 100 - total flux cleaned = 0.000116323 Jy ! Component: 150 - total flux cleaned = 0.000208557 Jy ! Component: 200 - total flux cleaned = 0.000248858 Jy ! Total flux subtracted in 200 components = 0.000248858 Jy ! Clean residual min=-0.001764 max=0.001804 Jy/beam ! Clean residual mean=0.000000 rms=0.000394 Jy/beam ! Combined flux in latest and established models = 0.748959 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 111 components and 0.748959 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=0.022621Jy sigma=0.675430 ! Fit after self-cal, rms=0.022570Jy sigma=0.671308 wmodel J1808+4542_C_map.mod ! Writing 111 model components to file: J1808+4542_C_map.mod wobs J1808+4542_C_uvs.fits ! Writing UV FITS file: J1808+4542_C_uvs.fits wwins J1808+4542_C_map.win ! wwins: Wrote 4 windows to J1808+4542_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 = 0.000165295 Jy ! Component: 100 - total flux cleaned = 0.000428744 Jy ! Component: 150 - total flux cleaned = 0.000701802 Jy ! Component: 200 - total flux cleaned = 0.000907843 Jy ! Component: 250 - total flux cleaned = 0.00105557 Jy ! Component: 300 - total flux cleaned = 0.00127079 Jy ! Component: 350 - total flux cleaned = 0.00145678 Jy ! Component: 400 - total flux cleaned = 0.00170517 Jy ! Component: 450 - total flux cleaned = 0.00190309 Jy ! Component: 500 - total flux cleaned = 0.00209629 Jy ! Component: 550 - total flux cleaned = 0.00228482 Jy ! Component: 600 - total flux cleaned = 0.0024075 Jy ! Component: 650 - total flux cleaned = 0.00254737 Jy ! Component: 700 - total flux cleaned = 0.00260618 Jy ! Component: 750 - total flux cleaned = 0.00268293 Jy ! Component: 800 - total flux cleaned = 0.00283284 Jy ! Component: 850 - total flux cleaned = 0.00285119 Jy ! Component: 900 - total flux cleaned = 0.00292373 Jy ! Component: 950 - total flux cleaned = 0.00302981 Jy ! Component: 1000 - total flux cleaned = 0.00308248 Jy ! Component: 1050 - total flux cleaned = 0.00323667 Jy ! Component: 1100 - total flux cleaned = 0.00328691 Jy ! Component: 1150 - total flux cleaned = 0.00332036 Jy ! Component: 1200 - total flux cleaned = 0.00345071 Jy ! Component: 1250 - total flux cleaned = 0.0034825 Jy ! Component: 1300 - total flux cleaned = 0.00352998 Jy ! Component: 1350 - total flux cleaned = 0.00360748 Jy ! Component: 1400 - total flux cleaned = 0.00368382 Jy ! Component: 1450 - total flux cleaned = 0.00372873 Jy ! Component: 1500 - total flux cleaned = 0.00381779 Jy ! Component: 1550 - total flux cleaned = 0.00384711 Jy ! Component: 1600 - total flux cleaned = 0.00390501 Jy ! Component: 1650 - total flux cleaned = 0.00396201 Jy ! Component: 1700 - total flux cleaned = 0.00404621 Jy ! Component: 1750 - total flux cleaned = 0.00407397 Jy ! Component: 1800 - total flux cleaned = 0.00411511 Jy ! Component: 1850 - total flux cleaned = 0.00412868 Jy ! Component: 1900 - total flux cleaned = 0.00415565 Jy ! Component: 1950 - total flux cleaned = 0.00418188 Jy ! Component: 2000 - total flux cleaned = 0.00419501 Jy ! Component: 2050 - total flux cleaned = 0.00420774 Jy ! Component: 2100 - total flux cleaned = 0.0042076 Jy ! Component: 2150 - total flux cleaned = 0.0041823 Jy ! Component: 2200 - total flux cleaned = 0.00416988 Jy ! Component: 2250 - total flux cleaned = 0.00418201 Jy ! Component: 2300 - total flux cleaned = 0.00420603 Jy ! Component: 2350 - total flux cleaned = 0.00417033 Jy ! Component: 2400 - total flux cleaned = 0.00417034 Jy ! Component: 2450 - total flux cleaned = 0.00415875 Jy ! Component: 2500 - total flux cleaned = 0.0041588 Jy ! Component: 2550 - total flux cleaned = 0.00415879 Jy ! Component: 2600 - total flux cleaned = 0.00417002 Jy ! Component: 2650 - total flux cleaned = 0.00411399 Jy ! Component: 2700 - total flux cleaned = 0.00410298 Jy ! Component: 2750 - total flux cleaned = 0.00409213 Jy ! Component: 2800 - total flux cleaned = 0.00412478 Jy ! Component: 2850 - total flux cleaned = 0.00410312 Jy ! Component: 2900 - total flux cleaned = 0.00410317 Jy ! Component: 2950 - total flux cleaned = 0.0041136 Jy ! Component: 3000 - total flux cleaned = 0.00409256 Jy ! Component: 3050 - total flux cleaned = 0.00408217 Jy ! Component: 3100 - total flux cleaned = 0.00411296 Jy ! Component: 3150 - total flux cleaned = 0.0041232 Jy ! Component: 3200 - total flux cleaned = 0.00411291 Jy ! Component: 3250 - total flux cleaned = 0.00410293 Jy ! Component: 3300 - total flux cleaned = 0.00409294 Jy ! Component: 3350 - total flux cleaned = 0.00413224 Jy ! Component: 3400 - total flux cleaned = 0.00416149 Jy ! Component: 3450 - total flux cleaned = 0.00415165 Jy ! Component: 3500 - total flux cleaned = 0.00417087 Jy ! Component: 3550 - total flux cleaned = 0.00415185 Jy ! Component: 3600 - total flux cleaned = 0.00416139 Jy ! Component: 3650 - total flux cleaned = 0.0041802 Jy ! Component: 3700 - total flux cleaned = 0.00416167 Jy ! Component: 3750 - total flux cleaned = 0.00420785 Jy ! Component: 3800 - total flux cleaned = 0.004217 Jy ! Component: 3850 - total flux cleaned = 0.00423511 Jy ! Component: 3900 - total flux cleaned = 0.00420806 Jy ! Component: 3950 - total flux cleaned = 0.0042349 Jy ! Component: 4000 - total flux cleaned = 0.00423496 Jy ! Component: 4050 - total flux cleaned = 0.00422597 Jy ! Total flux subtracted in 4096 components = 0.00424351 Jy ! Clean residual min=-0.000469 max=0.000480 Jy/beam ! Clean residual mean=-0.000000 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.753202 Jy keep ! Adding 310 model components to the UV plane model. ! The established model now contains 421 components and 0.753202 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1808+4542_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.628 x 4.731 at -24.56 degrees (North through East) ! Clean map min=-0.0020448 max=0.72235 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1808+4542_C_map.fits wmodel /vlbi/sb072/temp_maps//J1808+4542_C_map.mod ! Writing 421 model components to file: /vlbi/sb072/temp_maps//J1808+4542_C_map.mod wobs /vlbi/sb072/temp_maps//J1808+4542_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1808+4542_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1808+4542_C_map.win ! wwins: Wrote 5 windows to /vlbi/sb072/temp_maps//J1808+4542_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.722347 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000163033 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0677095 0.0677095 0.135419 0.270838 0.541676 1.08335 2.16671 4.33341 8.66682 17.3336 34.6673 69.3346 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.722 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4430.69 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1808+4542_C_dfm.log closed on Fri Jan 25 19:43:23 2019