! Started logfile: /vlbi/sb072/temp_maps//J2255+4202_C_dfm.log on Fri Jan 25 19:57:28 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//J2255+4202_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J2255+4202_C_uva.fits ! AN table 1: 6 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.955556 visibilities/baseline/integration-bin. ! Found source: J2255+4202 ! ! 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 2064 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 J2255+4202_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. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.157437Jy sigma=52.148397 ! Fit after self-cal, rms=0.520541Jy sigma=23.025607 ! 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=1.242 mas, bmaj=4.18 mas, bpa=8.98 degrees ! Estimated noise=0.497494 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 = 0.435514 Jy ! Component: 100 - total flux cleaned = 0.543353 Jy ! Total flux subtracted in 100 components = 0.543353 Jy ! Clean residual min=-0.046283 max=0.062671 Jy/beam ! Clean residual mean=-0.000021 rms=0.009353 Jy/beam ! Combined flux in latest and established models = 0.543353 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.543353 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=0.250300Jy sigma=10.352137 ! Fit after self-cal, rms=0.249359Jy sigma=10.320435 ! Inverting map ! Added new window around map position (3, 31.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0614076 Jy ! Component: 100 - total flux cleaned = 0.0981924 Jy ! Total flux subtracted in 100 components = 0.0981924 Jy ! Clean residual min=-0.044875 max=0.052737 Jy/beam ! Clean residual mean=-0.000017 rms=0.008400 Jy/beam ! Combined flux in latest and established models = 0.641545 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 18 components and 0.641545 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=0.235510Jy sigma=9.767979 ! Fit after self-cal, rms=0.234795Jy sigma=9.737601 ! 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=1.55 mas, bmaj=4.44 mas, bpa=8.372 degrees ! Estimated noise=0.369187 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 = 0.0305398 Jy ! Component: 100 - total flux cleaned = 0.050641 Jy ! Component: 150 - total flux cleaned = 0.0606569 Jy ! Component: 200 - total flux cleaned = 0.0677718 Jy ! Total flux subtracted in 200 components = 0.0677718 Jy ! Clean residual min=-0.048368 max=0.045571 Jy/beam ! Clean residual mean=-0.000051 rms=0.010650 Jy/beam ! Combined flux in latest and established models = 0.709317 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 37 components and 0.709317 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=0.228397Jy sigma=9.545782 ! Fit after self-cal, rms=0.227916Jy sigma=9.523446 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.55 x 4.44 at 8.372 degrees (North through East) ! Clean map min=-0.046433 max=0.54178 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.02 HN 1.07 KP 1.77 ! LA 1.04 MK 1.08 NL 1.20 OV 1.12 ! PT 0.96 SC 1.18 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.98 HN 1.04 KP 1.64 ! LA 1.01 MK 1.05 NL 1.20 OV 1.08 ! PT 0.92 SC 1.16 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.91 HN 0.96 KP 1.57 ! LA 1.00 MK 1.09 NL 1.08 OV 0.99 ! PT 1.25 SC 1.09 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.88 HN 0.97 KP 1.48 ! LA 0.98 MK 0.96 NL 1.07 OV 0.94 ! PT 0.81 SC 1.06 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.82 HN 0.89 KP 1.45 ! LA 0.98 MK 0.90 NL 1.00 OV 0.91 ! PT 0.80 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.83 HN 0.86 KP 1.41 ! LA 0.99 MK 0.90 NL 0.99 OV 0.92 ! PT 0.79 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.82 HN 0.86 KP 1.44 ! LA 0.99 MK 0.89 NL 0.98 OV 0.90 ! PT 0.79 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.80 HN 0.86 KP 1.42 ! LA 1.00 MK 0.88 NL 0.96 OV 0.89 ! PT 0.78 SC 0.96 ! ! ! Fit before self-cal, rms=0.227916Jy sigma=9.523446 ! Fit after self-cal, rms=0.231733Jy sigma=7.410548 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.537 mas, bmaj=4.413 mas, bpa=7.946 degrees ! Estimated noise=0.369276 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 = -0.0176257 Jy ! Component: 100 - total flux cleaned = -0.0197448 Jy ! Component: 150 - total flux cleaned = -0.0205635 Jy ! Component: 200 - total flux cleaned = -0.0215019 Jy ! Total flux subtracted in 200 components = -0.0215019 Jy ! Clean residual min=-0.022308 max=0.022087 Jy/beam ! Clean residual mean=-0.000014 rms=0.005136 Jy/beam ! Combined flux in latest and established models = 0.687815 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 51 components and 0.687815 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=0.230261Jy sigma=7.275948 ! Fit after self-cal, rms=0.230050Jy sigma=7.260508 ! 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=0.230050Jy sigma=7.260508 ! Fit after self-cal, rms=0.230809Jy sigma=7.239790 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.534 mas, bmaj=4.407 mas, bpa=7.926 degrees ! Estimated noise=0.364752 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0111946 Jy ! Component: 100 - total flux cleaned = -0.013772 Jy ! Component: 150 - total flux cleaned = -0.0151679 Jy ! Component: 200 - total flux cleaned = -0.015514 Jy ! Total flux subtracted in 200 components = -0.015514 Jy ! Clean residual min=-0.019795 max=0.021301 Jy/beam ! Clean residual mean=-0.000013 rms=0.004842 Jy/beam ! Combined flux in latest and established models = 0.672301 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 61 components and 0.672301 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=0.230124Jy sigma=7.202750 ! Fit after self-cal, rms=0.230055Jy sigma=7.198516 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 (-21.3, -67.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0192203 Jy ! Component: 100 - total flux cleaned = 0.0259817 Jy ! Component: 150 - total flux cleaned = 0.0292636 Jy ! Component: 200 - total flux cleaned = 0.0306012 Jy ! Total flux subtracted in 200 components = 0.0306012 Jy ! Clean residual min=-0.019464 max=0.019980 Jy/beam ! Clean residual mean=-0.000011 rms=0.004448 Jy/beam ! Combined flux in latest and established models = 0.702902 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 87 components and 0.702902 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=0.225839Jy sigma=7.102359 ! Fit after self-cal, rms=0.225597Jy sigma=7.085493 ! Inverting map ! Added new window around map position (-26.7, 65.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102229 Jy ! Component: 100 - total flux cleaned = 0.0162854 Jy ! Component: 150 - total flux cleaned = 0.0192696 Jy ! Component: 200 - total flux cleaned = 0.0205567 Jy ! Total flux subtracted in 200 components = 0.0205567 Jy ! Clean residual min=-0.018956 max=0.017253 Jy/beam ! Clean residual mean=-0.000011 rms=0.004247 Jy/beam ! Combined flux in latest and established models = 0.723459 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 111 components and 0.723459 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=0.222186Jy sigma=7.019142 ! Fit after self-cal, rms=0.222090Jy sigma=7.011930 ! 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=0.222090Jy sigma=7.011930 ! Fit after self-cal, rms=0.214960Jy sigma=6.989152 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.538 mas, bmaj=4.407 mas, bpa=7.908 degrees ! Estimated noise=0.359304 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00263129 Jy ! Component: 100 - total flux cleaned = -0.00173629 Jy ! Component: 150 - total flux cleaned = -0.00120672 Jy ! Component: 200 - total flux cleaned = -5.80513e-05 Jy ! Total flux subtracted in 200 components = -5.80513e-05 Jy ! Clean residual min=-0.018368 max=0.015897 Jy/beam ! Clean residual mean=-0.000012 rms=0.004191 Jy/beam ! Combined flux in latest and established models = 0.723401 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 125 components and 0.723401 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=0.213155Jy sigma=6.984868 ! Fit after self-cal, rms=0.213133Jy sigma=6.983873 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 = 0.000927594 Jy ! Component: 100 - total flux cleaned = 0.00155709 Jy ! Component: 150 - total flux cleaned = 0.00255162 Jy ! Component: 200 - total flux cleaned = 0.00367293 Jy ! Total flux subtracted in 200 components = 0.00367293 Jy ! Clean residual min=-0.017973 max=0.015864 Jy/beam ! Clean residual mean=-0.000012 rms=0.004141 Jy/beam ! Combined flux in latest and established models = 0.727074 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 135 components and 0.727074 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=0.212492Jy sigma=6.975334 ! Fit after self-cal, rms=0.212476Jy sigma=6.974839 ! 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=0.212476Jy sigma=6.974839 ! Fit after self-cal, rms=0.208950Jy sigma=6.966115 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.431 mas, bmaj=5.086 mas, bpa=5.801 degrees ! Estimated noise=0.463024 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00269681 Jy ! Component: 100 - total flux cleaned = -0.000866065 Jy ! Component: 150 - total flux cleaned = 0.00110475 Jy ! Component: 200 - total flux cleaned = 0.00339205 Jy ! Total flux subtracted in 200 components = 0.00339205 Jy ! Clean residual min=-0.019581 max=0.021530 Jy/beam ! Clean residual mean=-0.000027 rms=0.005444 Jy/beam ! Combined flux in latest and established models = 0.730466 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 149 components and 0.730466 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=0.208268Jy sigma=6.969015 ! Fit after self-cal, rms=0.208189Jy sigma=6.965386 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 = 0.00115072 Jy ! Component: 100 - total flux cleaned = 0.00277163 Jy ! Component: 150 - total flux cleaned = 0.00387922 Jy ! Component: 200 - total flux cleaned = 0.0052829 Jy ! Total flux subtracted in 200 components = 0.0052829 Jy ! Clean residual min=-0.019537 max=0.021291 Jy/beam ! Clean residual mean=-0.000027 rms=0.005383 Jy/beam ! Combined flux in latest and established models = 0.735749 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 155 components and 0.735749 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=0.208158Jy sigma=6.975415 ! Fit after self-cal, rms=0.208139Jy sigma=6.974771 ! 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=1.541 mas, bmaj=4.406 mas, bpa=7.892 degrees ! Estimated noise=0.354777 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.541 x 4.406 at 7.892 degrees (North through East) ! Clean map min=-0.017211 max=0.52108 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=0.208139Jy sigma=6.974771 ! Fit after self-cal, rms=0.642387Jy sigma=2.539199 ! Inverting map and beam ! Estimated beam: bmin=1.55 mas, bmaj=4.388 mas, bpa=7.747 degrees ! Estimated noise=0.36271 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00849337 Jy ! Component: 100 - total flux cleaned = -0.0117783 Jy ! Component: 150 - total flux cleaned = -0.014228 Jy ! Component: 200 - total flux cleaned = -0.0163632 Jy ! Total flux subtracted in 200 components = -0.0163632 Jy ! Clean residual min=-0.011040 max=0.012069 Jy/beam ! Clean residual mean=-0.000007 rms=0.002177 Jy/beam ! Combined flux in latest and established models = 0.719386 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 173 components and 0.719386 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=0.641915Jy sigma=2.152482 ! Fit after self-cal, rms=0.641775Jy sigma=2.135282 ! Inverting map ! Added new window around map position (2.7, 4.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0072112 Jy ! Component: 100 - total flux cleaned = 0.00576658 Jy ! Component: 150 - total flux cleaned = 0.00512285 Jy ! Component: 200 - total flux cleaned = 0.00335418 Jy ! Total flux subtracted in 200 components = 0.00335418 Jy ! Clean residual min=-0.009504 max=0.007544 Jy/beam ! Clean residual mean=-0.000004 rms=0.001752 Jy/beam ! Combined flux in latest and established models = 0.72274 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 188 components and 0.72274 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=0.641224Jy sigma=1.858883 ! Fit after self-cal, rms=0.641224Jy sigma=1.849951 ! 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=0.641224Jy sigma=1.849951 ! Fit after self-cal, rms=0.673448Jy sigma=1.800940 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=1.238 mas, bmaj=4.137 mas, bpa=8.139 degrees ! Estimated noise=0.469086 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.41078 Jy ! Component: 100 - total flux cleaned = 0.50898 Jy ! Component: 150 - total flux cleaned = 0.553367 Jy ! Component: 200 - total flux cleaned = 0.578651 Jy ! Total flux subtracted in 200 components = 0.578651 Jy ! Clean residual min=-0.014461 max=0.015067 Jy/beam ! Clean residual mean=-0.000004 rms=0.002382 Jy/beam ! Combined flux in latest and established models = 0.578651 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.578651 Jy ! Inverting map and beam ! Estimated beam: bmin=1.543 mas, bmaj=4.381 mas, bpa=7.778 degrees ! Estimated noise=0.360667 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 = 0.0270649 Jy ! Component: 100 - total flux cleaned = 0.0430734 Jy ! Component: 150 - total flux cleaned = 0.0512864 Jy ! Component: 200 - total flux cleaned = 0.0574885 Jy ! Total flux subtracted in 200 components = 0.0574885 Jy ! Clean residual min=-0.007588 max=0.009236 Jy/beam ! Clean residual mean=-0.000000 rms=0.001932 Jy/beam ! Combined flux in latest and established models = 0.63614 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 43 components and 0.63614 Jy ! Inverting map ! Added new window around map position (-0.6, 28.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00735629 Jy ! Component: 100 - total flux cleaned = 0.0121738 Jy ! Component: 150 - total flux cleaned = 0.0156416 Jy ! Component: 200 - total flux cleaned = 0.0186832 Jy ! Total flux subtracted in 200 components = 0.0186832 Jy ! Clean residual min=-0.006295 max=0.007086 Jy/beam ! Clean residual mean=0.000001 rms=0.001527 Jy/beam ! Combined flux in latest and established models = 0.654823 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 62 components and 0.654823 Jy ! Inverting map ! Added new window around map position (19.5, -7.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00722143 Jy ! Component: 100 - total flux cleaned = 0.0112185 Jy ! Component: 150 - total flux cleaned = 0.01373 Jy ! Component: 200 - total flux cleaned = 0.0163252 Jy ! Total flux subtracted in 200 components = 0.0163252 Jy ! Clean residual min=-0.005349 max=0.005516 Jy/beam ! Clean residual mean=0.000000 rms=0.001189 Jy/beam ! Combined flux in latest and established models = 0.671148 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 85 components and 0.671148 Jy ! Inverting map ! Added new window around map position (-10.2, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000864466 Jy ! Component: 100 - total flux cleaned = 0.00239975 Jy ! Component: 150 - total flux cleaned = 0.00431938 Jy ! Component: 200 - total flux cleaned = 0.00599093 Jy ! Total flux subtracted in 200 components = 0.00599093 Jy ! Clean residual min=-0.004521 max=0.004407 Jy/beam ! Clean residual mean=-0.000000 rms=0.001031 Jy/beam ! Combined flux in latest and established models = 0.677139 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 114 components and 0.677139 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=3.426 mas, bmaj=5.053 mas, bpa=5.906 degrees ! Estimated noise=0.470191 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00403332 Jy ! Component: 100 - total flux cleaned = 0.00639103 Jy ! Component: 150 - total flux cleaned = 0.00834969 Jy ! Component: 200 - total flux cleaned = 0.00976533 Jy ! Total flux subtracted in 200 components = 0.00976533 Jy ! Clean residual min=-0.004782 max=0.004717 Jy/beam ! Clean residual mean=-0.000001 rms=0.001313 Jy/beam ! Combined flux in latest and established models = 0.686905 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 = 0.00146559 Jy ! Component: 100 - total flux cleaned = 0.00270808 Jy ! Component: 150 - total flux cleaned = 0.00368919 Jy ! Component: 200 - total flux cleaned = 0.00459305 Jy ! Total flux subtracted in 200 components = 0.00459305 Jy ! Clean residual min=-0.004680 max=0.004175 Jy/beam ! Clean residual mean=-0.000001 rms=0.001181 Jy/beam ! Combined flux in latest and established models = 0.691498 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 169 components and 0.691498 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.543 mas, bmaj=4.381 mas, bpa=7.778 degrees ! Estimated noise=0.360667 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.48165e-05 Jy ! Component: 100 - total flux cleaned = 0.000270931 Jy ! Component: 150 - total flux cleaned = 0.000439319 Jy ! Component: 200 - total flux cleaned = 0.000840361 Jy ! Total flux subtracted in 200 components = 0.000840361 Jy ! Clean residual min=-0.003365 max=0.003207 Jy/beam ! Clean residual mean=-0.000001 rms=0.000820 Jy/beam ! Combined flux in latest and established models = 0.692338 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 187 components and 0.692338 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=0.672750Jy sigma=1.059764 ! Fit after self-cal, rms=0.672611Jy sigma=0.953497 wmodel J2255+4202_C_map.mod ! Writing 187 model components to file: J2255+4202_C_map.mod wobs J2255+4202_C_uvs.fits ! Writing UV FITS file: J2255+4202_C_uvs.fits wwins J2255+4202_C_map.win ! wwins: Wrote 8 windows to J2255+4202_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 = 0.000915612 Jy ! Component: 100 - total flux cleaned = 0.00112203 Jy ! Component: 150 - total flux cleaned = 0.00117166 Jy ! Component: 200 - total flux cleaned = 0.00108038 Jy ! Component: 250 - total flux cleaned = 0.000903469 Jy ! Component: 300 - total flux cleaned = 0.000732288 Jy ! Component: 350 - total flux cleaned = 0.000690872 Jy ! Component: 400 - total flux cleaned = 0.000690058 Jy ! Component: 450 - total flux cleaned = 0.000570037 Jy ! Component: 500 - total flux cleaned = 0.000531492 Jy ! Component: 550 - total flux cleaned = 0.000531785 Jy ! Component: 600 - total flux cleaned = 0.000455964 Jy ! Component: 650 - total flux cleaned = 0.000346794 Jy ! Component: 700 - total flux cleaned = 0.000311746 Jy ! Component: 750 - total flux cleaned = 0.000277522 Jy ! Component: 800 - total flux cleaned = 0.000346406 Jy ! Component: 850 - total flux cleaned = 0.000313367 Jy ! Component: 900 - total flux cleaned = 0.000412185 Jy ! Component: 950 - total flux cleaned = 0.000380445 Jy ! Component: 1000 - total flux cleaned = 0.000508261 Jy ! Component: 1050 - total flux cleaned = 0.000445284 Jy ! Component: 1100 - total flux cleaned = 0.000506403 Jy ! Component: 1150 - total flux cleaned = 0.000506263 Jy ! Component: 1200 - total flux cleaned = 0.000446425 Jy ! Component: 1250 - total flux cleaned = 0.000300446 Jy ! Component: 1300 - total flux cleaned = 0.000300939 Jy ! Component: 1350 - total flux cleaned = 0.000300815 Jy ! Component: 1400 - total flux cleaned = 0.0002174 Jy ! Component: 1450 - total flux cleaned = 0.000162895 Jy ! Component: 1500 - total flux cleaned = 0.000217352 Jy ! Component: 1550 - total flux cleaned = 0.000137333 Jy ! Component: 1600 - total flux cleaned = 0.00016389 Jy ! Component: 1650 - total flux cleaned = 0.000138132 Jy ! Component: 1700 - total flux cleaned = 0.000112762 Jy ! Component: 1750 - total flux cleaned = 0.00021356 Jy ! Component: 1800 - total flux cleaned = 0.000113836 Jy ! Component: 1850 - total flux cleaned = 3.99795e-05 Jy ! Component: 1900 - total flux cleaned = 0.000210464 Jy ! Component: 1950 - total flux cleaned = 0.000185729 Jy ! Component: 2000 - total flux cleaned = 0.000185461 Jy ! Component: 2050 - total flux cleaned = 0.000161923 Jy ! Component: 2100 - total flux cleaned = 0.000185002 Jy ! Component: 2150 - total flux cleaned = 0.000139321 Jy ! Component: 2200 - total flux cleaned = 0.000139161 Jy ! Component: 2250 - total flux cleaned = 0.000116818 Jy ! Component: 2300 - total flux cleaned = 0.000138971 Jy ! Component: 2350 - total flux cleaned = 0.000139368 Jy ! Component: 2400 - total flux cleaned = 9.59642e-05 Jy ! Component: 2450 - total flux cleaned = 0.000139354 Jy ! Component: 2500 - total flux cleaned = 0.000161037 Jy ! Component: 2550 - total flux cleaned = 0.000224317 Jy ! Component: 2600 - total flux cleaned = 0.000203116 Jy ! Component: 2650 - total flux cleaned = 0.000223427 Jy ! Component: 2700 - total flux cleaned = 0.000161989 Jy ! Component: 2750 - total flux cleaned = 0.000202344 Jy ! Component: 2800 - total flux cleaned = 0.00014218 Jy ! Component: 2850 - total flux cleaned = 0.000221773 Jy ! Component: 2900 - total flux cleaned = 0.000202381 Jy ! Component: 2950 - total flux cleaned = 0.000182742 Jy ! Component: 3000 - total flux cleaned = 0.000298563 Jy ! Component: 3050 - total flux cleaned = 0.000279344 Jy ! Component: 3100 - total flux cleaned = 0.000279322 Jy ! Component: 3150 - total flux cleaned = 0.000298327 Jy ! Component: 3200 - total flux cleaned = 0.000298171 Jy ! Component: 3250 - total flux cleaned = 0.000242955 Jy ! Component: 3300 - total flux cleaned = 0.000243277 Jy ! Component: 3350 - total flux cleaned = 0.000243459 Jy ! Component: 3400 - total flux cleaned = 0.000297344 Jy ! Component: 3450 - total flux cleaned = 0.000243941 Jy ! Component: 3500 - total flux cleaned = 0.000261367 Jy ! Component: 3550 - total flux cleaned = 0.000173699 Jy ! Component: 3600 - total flux cleaned = 0.000225998 Jy ! Component: 3650 - total flux cleaned = 0.000174329 Jy ! Component: 3700 - total flux cleaned = 0.000174284 Jy ! Component: 3750 - total flux cleaned = 0.000208097 Jy ! Component: 3800 - total flux cleaned = 0.000174471 Jy ! Component: 3850 - total flux cleaned = 0.000141353 Jy ! Component: 3900 - total flux cleaned = 0.000174552 Jy ! Component: 3950 - total flux cleaned = 0.000158183 Jy ! Component: 4000 - total flux cleaned = 0.000288853 Jy ! Component: 4050 - total flux cleaned = 0.000272529 Jy ! Total flux subtracted in 4096 components = 0.000288619 Jy ! Clean residual min=-0.000802 max=0.000808 Jy/beam ! Clean residual mean=-0.000001 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.692627 Jy keep ! Adding 311 model components to the UV plane model. ! The established model now contains 497 components and 0.692627 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J2255+4202_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.543 x 4.381 at 7.778 degrees (North through East) ! Clean map min=-0.0045866 max=0.52645 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J2255+4202_C_map.fits wmodel /vlbi/sb072/temp_maps//J2255+4202_C_map.mod ! Writing 497 model components to file: /vlbi/sb072/temp_maps//J2255+4202_C_map.mod wobs /vlbi/sb072/temp_maps//J2255+4202_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J2255+4202_C_uvs.fits wwins /vlbi/sb072/temp_maps//J2255+4202_C_map.win ! wwins: Wrote 9 windows to /vlbi/sb072/temp_maps//J2255+4202_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.526449 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000299085 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.170435 0.170435 0.34087 0.681741 1.36348 2.72696 5.45393 10.9079 21.8157 43.6314 87.2628 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.526 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1760.2 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J2255+4202_C_dfm.log closed on Fri Jan 25 19:57:33 2019