! Started logfile: /vlbi/uf001/uva//J1748+3404_X_dfm.log on Mon Jan 14 04:21:04 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J1748+3404_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1748+3404_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.955026 visibilities/baseline/integration-bin. ! Found source: J1748+3404 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 21660 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1748+3404_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 71 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.028615Jy sigma=23.557290 ! Fit after self-cal, rms=0.772344Jy sigma=17.643558 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7216 mas, bmaj=1.409 mas, bpa=-4.075 degrees ! Estimated noise=0.377495 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 = 0.17666 Jy ! Component: 100 - total flux cleaned = 0.215229 Jy ! Total flux subtracted in 100 components = 0.215229 Jy ! Clean residual min=-0.005374 max=0.011072 Jy/beam ! Clean residual mean=-0.000003 rms=0.001254 Jy/beam ! Combined flux in latest and established models = 0.215229 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.215229 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061920Jy sigma=1.369082 ! Fit after self-cal, rms=0.061915Jy sigma=1.368918 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0109709 Jy ! Component: 100 - total flux cleaned = 0.0160677 Jy ! Total flux subtracted in 100 components = 0.0160677 Jy ! Clean residual min=-0.004948 max=0.006218 Jy/beam ! Clean residual mean=-0.000002 rms=0.001106 Jy/beam ! Combined flux in latest and established models = 0.231297 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 14 components and 0.231297 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059627Jy sigma=1.313291 ! Fit after self-cal, rms=0.059623Jy sigma=1.313068 ! 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=0.9043 mas, bmaj=1.701 mas, bpa=-4.629 degrees ! Estimated noise=0.230843 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 (-1.2, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0083774 Jy ! Component: 100 - total flux cleaned = 0.0136126 Jy ! Component: 150 - total flux cleaned = 0.0174368 Jy ! Component: 200 - total flux cleaned = 0.0192585 Jy ! Total flux subtracted in 200 components = 0.0192585 Jy ! Clean residual min=-0.004999 max=0.006092 Jy/beam ! Clean residual mean=-0.000004 rms=0.001049 Jy/beam ! Combined flux in latest and established models = 0.250555 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 42 components and 0.250555 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.058348Jy sigma=1.278285 ! Fit after self-cal, rms=0.058249Jy sigma=1.275896 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9043 x 1.701 at -4.629 degrees (North through East) ! Clean map min=-0.0043044 max=0.22781 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.00 HN 0.95 KP 1.03 ! LA 0.94 MK 1.02 NL 1.12 OV 0.90 ! PT 1.02 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.99 HN 0.97 KP 1.02 ! LA 0.95 MK 1.03 NL 1.12 OV 0.91 ! PT 0.99 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 0.96 KP 1.04 ! LA 0.92 MK 1.01 NL 1.11 OV 0.90 ! PT 1.00 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.99 HN 0.95 KP 1.02 ! LA 0.93 MK 1.02 NL 1.13 OV 0.89 ! PT 1.01 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 0.95 KP 1.02 ! LA 0.94 MK 1.01 NL 1.12 OV 0.91 ! PT 1.01 SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 0.96 KP 1.03 ! LA 0.92 MK 1.01 NL 1.12 OV 0.90 ! PT 1.00 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.93 KP 1.03 ! LA 0.93 MK 1.03 NL 1.12 OV 0.92 ! PT 1.02 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.96 KP 1.04 ! LA 0.92 MK 1.02 NL 1.09 OV 0.93 ! PT 1.01 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.97 HN 0.93 KP 1.02 ! LA 0.92 MK 1.03 NL 1.11 OV 0.90 ! PT 1.00 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.97 HN 0.95 KP 1.06 ! LA 0.94 MK 1.03 NL 1.09 OV 0.89 ! PT 1.01 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.98 HN 0.93 KP 1.00 ! LA 0.94 MK 1.02 NL 1.12 OV 0.90 ! PT 1.01 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 0.98 KP 1.01 ! LA 0.92 MK 1.05 NL 1.12 OV 0.91 ! PT 0.99 SC 0.99 ! ! ! Fit before self-cal, rms=0.058249Jy sigma=1.275896 ! Fit after self-cal, rms=0.054359Jy sigma=1.188867 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9042 mas, bmaj=1.711 mas, bpa=-4.287 degrees ! Estimated noise=0.230085 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 = -0.00268167 Jy ! Component: 100 - total flux cleaned = -0.00305165 Jy ! Component: 150 - total flux cleaned = -0.00311137 Jy ! Component: 200 - total flux cleaned = -0.00320251 Jy ! Total flux subtracted in 200 components = -0.00320251 Jy ! Clean residual min=-0.001761 max=0.001684 Jy/beam ! Clean residual mean=-0.000002 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.247353 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 59 components and 0.247353 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054174Jy sigma=1.184496 ! Fit after self-cal, rms=0.054199Jy sigma=1.184084 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054199Jy sigma=1.184084 ! Fit after self-cal, rms=0.053957Jy sigma=1.175501 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9053 mas, bmaj=1.709 mas, bpa=-4.24 degrees ! Estimated noise=0.230231 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00144842 Jy ! Component: 100 - total flux cleaned = -0.00196102 Jy ! Component: 150 - total flux cleaned = -0.00217885 Jy ! Component: 200 - total flux cleaned = -0.00225564 Jy ! Total flux subtracted in 200 components = -0.00225564 Jy ! Clean residual min=-0.001339 max=0.001354 Jy/beam ! Clean residual mean=-0.000001 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.245097 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 69 components and 0.245097 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053906Jy sigma=1.174237 ! Fit after self-cal, rms=0.053905Jy sigma=1.174128 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 = -0.000343376 Jy ! Component: 100 - total flux cleaned = -0.000447547 Jy ! Component: 150 - total flux cleaned = -0.000483287 Jy ! Component: 200 - total flux cleaned = -0.000499173 Jy ! Total flux subtracted in 200 components = -0.000499173 Jy ! Clean residual min=-0.001280 max=0.001319 Jy/beam ! Clean residual mean=-0.000001 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.244598 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 75 components and 0.244598 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053892Jy sigma=1.173822 ! Fit after self-cal, rms=0.053891Jy sigma=1.173806 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053891Jy sigma=1.173806 ! Fit after self-cal, rms=0.053944Jy sigma=1.173420 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9049 mas, bmaj=1.709 mas, bpa=-4.179 degrees ! Estimated noise=0.230499 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000488247 Jy ! Component: 100 - total flux cleaned = -0.000780132 Jy ! Component: 150 - total flux cleaned = -0.000838273 Jy ! Component: 200 - total flux cleaned = -0.000854557 Jy ! Total flux subtracted in 200 components = -0.000854557 Jy ! Clean residual min=-0.001241 max=0.001250 Jy/beam ! Clean residual mean=-0.000001 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.243743 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 80 components and 0.243743 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053926Jy sigma=1.172982 ! Fit after self-cal, rms=0.053926Jy sigma=1.172947 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 = -0.000179595 Jy ! Component: 100 - total flux cleaned = -0.000222274 Jy ! Component: 150 - total flux cleaned = -0.000275079 Jy ! Component: 200 - total flux cleaned = -0.000312574 Jy ! Total flux subtracted in 200 components = -0.000312574 Jy ! Clean residual min=-0.001228 max=0.001238 Jy/beam ! Clean residual mean=-0.000001 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.243431 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 86 components and 0.243431 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053919Jy sigma=1.172782 ! Fit after self-cal, rms=0.053918Jy sigma=1.172772 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053918Jy sigma=1.172772 ! Fit after self-cal, rms=0.053961Jy sigma=1.172646 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.143 mas, bmaj=2.678 mas, bpa=-4.076 degrees ! Estimated noise=0.289686 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0002735 Jy ! Component: 100 - total flux cleaned = -0.000262447 Jy ! Component: 150 - total flux cleaned = -0.000242826 Jy ! Component: 200 - total flux cleaned = -0.000234229 Jy ! Total flux subtracted in 200 components = -0.000234229 Jy ! Clean residual min=-0.001446 max=0.001232 Jy/beam ! Clean residual mean=-0.000002 rms=0.000353 Jy/beam ! Combined flux in latest and established models = 0.243196 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 97 components and 0.243196 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053960Jy sigma=1.172622 ! Fit after self-cal, rms=0.053960Jy sigma=1.172613 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 = -2.4171e-05 Jy ! Component: 100 - total flux cleaned = -1.00499e-05 Jy ! Component: 150 - total flux cleaned = -3.80688e-06 Jy ! Component: 200 - total flux cleaned = 2.51819e-06 Jy ! Total flux subtracted in 200 components = 2.51819e-06 Jy ! Clean residual min=-0.001426 max=0.001228 Jy/beam ! Clean residual mean=-0.000002 rms=0.000352 Jy/beam ! Combined flux in latest and established models = 0.243199 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 105 components and 0.243199 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053961Jy sigma=1.172632 ! Fit after self-cal, rms=0.053961Jy sigma=1.172628 ! 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=0.9044 mas, bmaj=1.708 mas, bpa=-4.13 degrees ! Estimated noise=0.230685 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9044 x 1.708 at -4.13 degrees (North through East) ! Clean map min=-0.0011763 max=0.22799 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7206 mas, bmaj=1.412 mas, bpa=-3.614 degrees ! Estimated noise=0.378047 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.17689 Jy ! Component: 100 - total flux cleaned = 0.215561 Jy ! Component: 150 - total flux cleaned = 0.226108 Jy ! Component: 200 - total flux cleaned = 0.231134 Jy ! Total flux subtracted in 200 components = 0.231134 Jy ! Clean residual min=-0.002523 max=0.002455 Jy/beam ! Clean residual mean=-0.000001 rms=0.000484 Jy/beam ! Combined flux in latest and established models = 0.231134 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.231134 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9044 mas, bmaj=1.708 mas, bpa=-4.13 degrees ! Estimated noise=0.230685 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 = 0.0036412 Jy ! Component: 100 - total flux cleaned = 0.00587349 Jy ! Component: 150 - total flux cleaned = 0.00744391 Jy ! Component: 200 - total flux cleaned = 0.00858248 Jy ! Total flux subtracted in 200 components = 0.00858248 Jy ! Clean residual min=-0.001190 max=0.001471 Jy/beam ! Clean residual mean=-0.000002 rms=0.000300 Jy/beam ! Combined flux in latest and established models = 0.239716 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 36 components and 0.239716 Jy ! Inverting map ! Added new window around map position (4.2, 38.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00136913 Jy ! Component: 100 - total flux cleaned = 0.00197099 Jy ! Component: 150 - total flux cleaned = 0.00239226 Jy ! Component: 200 - total flux cleaned = 0.00271056 Jy ! Total flux subtracted in 200 components = 0.00271056 Jy ! Clean residual min=-0.001141 max=0.001167 Jy/beam ! Clean residual mean=-0.000002 rms=0.000286 Jy/beam ! Combined flux in latest and established models = 0.242427 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 54 components and 0.242427 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.143 mas, bmaj=2.678 mas, bpa=-4.076 degrees ! Estimated noise=0.289686 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000521944 Jy ! Component: 100 - total flux cleaned = 0.000658388 Jy ! Component: 150 - total flux cleaned = 0.000763053 Jy ! Component: 200 - total flux cleaned = 0.000831647 Jy ! Total flux subtracted in 200 components = 0.000831647 Jy ! Clean residual min=-0.001321 max=0.001256 Jy/beam ! Clean residual mean=-0.000004 rms=0.000343 Jy/beam ! Combined flux in latest and established models = 0.243258 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 = 1.09858e-05 Jy ! Component: 100 - total flux cleaned = 2.05221e-05 Jy ! Component: 150 - total flux cleaned = 3.00037e-05 Jy ! Component: 200 - total flux cleaned = 4.76638e-05 Jy ! Total flux subtracted in 200 components = 4.76638e-05 Jy ! Clean residual min=-0.001334 max=0.001252 Jy/beam ! Clean residual mean=-0.000003 rms=0.000341 Jy/beam ! Combined flux in latest and established models = 0.243306 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 74 components and 0.243306 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9044 mas, bmaj=1.708 mas, bpa=-4.13 degrees ! Estimated noise=0.230685 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.47249e-05 Jy ! Component: 100 - total flux cleaned = -6.49274e-05 Jy ! Component: 150 - total flux cleaned = -4.66287e-05 Jy ! Component: 200 - total flux cleaned = -6.41127e-05 Jy ! Total flux subtracted in 200 components = -6.41127e-05 Jy ! Clean residual min=-0.001116 max=0.001140 Jy/beam ! Clean residual mean=-0.000002 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.243242 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 89 components and 0.243242 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053933Jy sigma=1.171978 ! Fit after self-cal, rms=0.053928Jy sigma=1.171879 wmodel J1748+3404_X_map.mod ! Writing 89 model components to file: J1748+3404_X_map.mod wobs J1748+3404_X_uvs.fits ! Writing UV FITS file: J1748+3404_X_uvs.fits wwins J1748+3404_X_map.win ! wwins: Wrote 3 windows to J1748+3404_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000125663 Jy ! Component: 100 - total flux cleaned = 0.000347536 Jy ! Component: 150 - total flux cleaned = 0.000521789 Jy ! Component: 200 - total flux cleaned = 0.000615675 Jy ! Component: 250 - total flux cleaned = 0.000689158 Jy ! Component: 300 - total flux cleaned = 0.000779018 Jy ! Component: 350 - total flux cleaned = 0.000778783 Jy ! Component: 400 - total flux cleaned = 0.000866111 Jy ! Component: 450 - total flux cleaned = 0.00090051 Jy ! Component: 500 - total flux cleaned = 0.000967719 Jy ! Component: 550 - total flux cleaned = 0.000967441 Jy ! Component: 600 - total flux cleaned = 0.000934759 Jy ! Component: 650 - total flux cleaned = 0.000967259 Jy ! Component: 700 - total flux cleaned = 0.000951226 Jy ! Component: 750 - total flux cleaned = 0.00096716 Jy ! Component: 800 - total flux cleaned = 0.000951661 Jy ! Component: 850 - total flux cleaned = 0.000951731 Jy ! Component: 900 - total flux cleaned = 0.000921354 Jy ! Component: 950 - total flux cleaned = 0.000936496 Jy ! Component: 1000 - total flux cleaned = 0.000936632 Jy ! Component: 1050 - total flux cleaned = 0.000965974 Jy ! Component: 1100 - total flux cleaned = 0.000922099 Jy ! Component: 1150 - total flux cleaned = 0.000950937 Jy ! Component: 1200 - total flux cleaned = 0.000936513 Jy ! Component: 1250 - total flux cleaned = 0.000922012 Jy ! Component: 1300 - total flux cleaned = 0.000921968 Jy ! Component: 1350 - total flux cleaned = 0.000894234 Jy ! Component: 1400 - total flux cleaned = 0.000949546 Jy ! Component: 1450 - total flux cleaned = 0.000935963 Jy ! Component: 1500 - total flux cleaned = 0.00100382 Jy ! Component: 1550 - total flux cleaned = 0.000976867 Jy ! Component: 1600 - total flux cleaned = 0.00105681 Jy ! Component: 1650 - total flux cleaned = 0.00108346 Jy ! Component: 1700 - total flux cleaned = 0.00112281 Jy ! Component: 1750 - total flux cleaned = 0.00113585 Jy ! Component: 1800 - total flux cleaned = 0.00117463 Jy ! Component: 1850 - total flux cleaned = 0.00122581 Jy ! Component: 1900 - total flux cleaned = 0.00121303 Jy ! Component: 1950 - total flux cleaned = 0.00127619 Jy ! Component: 2000 - total flux cleaned = 0.00133881 Jy ! Component: 2050 - total flux cleaned = 0.00141354 Jy ! Component: 2100 - total flux cleaned = 0.00145053 Jy ! Component: 2150 - total flux cleaned = 0.00149955 Jy ! Component: 2200 - total flux cleaned = 0.00154843 Jy ! Component: 2250 - total flux cleaned = 0.00158472 Jy ! Component: 2300 - total flux cleaned = 0.00162073 Jy ! Component: 2350 - total flux cleaned = 0.00166849 Jy ! Component: 2400 - total flux cleaned = 0.00170406 Jy ! Component: 2450 - total flux cleaned = 0.00177459 Jy ! Component: 2500 - total flux cleaned = 0.00184459 Jy ! Component: 2550 - total flux cleaned = 0.00189083 Jy ! Component: 2600 - total flux cleaned = 0.00190228 Jy ! Component: 2650 - total flux cleaned = 0.00194821 Jy ! Component: 2700 - total flux cleaned = 0.00193689 Jy ! Component: 2750 - total flux cleaned = 0.00198223 Jy ! Component: 2800 - total flux cleaned = 0.00200475 Jy ! Component: 2850 - total flux cleaned = 0.00206062 Jy ! Component: 2900 - total flux cleaned = 0.0020939 Jy ! Component: 2950 - total flux cleaned = 0.00209385 Jy ! Component: 3000 - total flux cleaned = 0.00213783 Jy ! Component: 3050 - total flux cleaned = 0.00219238 Jy ! Component: 3100 - total flux cleaned = 0.00217068 Jy ! Component: 3150 - total flux cleaned = 0.00220303 Jy ! Component: 3200 - total flux cleaned = 0.00219222 Jy ! Component: 3250 - total flux cleaned = 0.00223491 Jy ! Component: 3300 - total flux cleaned = 0.00229862 Jy ! Component: 3350 - total flux cleaned = 0.0022987 Jy ! Component: 3400 - total flux cleaned = 0.00229869 Jy ! Component: 3450 - total flux cleaned = 0.00233017 Jy ! Component: 3500 - total flux cleaned = 0.00233017 Jy ! Component: 3550 - total flux cleaned = 0.00229913 Jy ! Component: 3600 - total flux cleaned = 0.00237118 Jy ! Component: 3650 - total flux cleaned = 0.00238141 Jy ! Component: 3700 - total flux cleaned = 0.00234055 Jy ! Component: 3750 - total flux cleaned = 0.00231005 Jy ! Component: 3800 - total flux cleaned = 0.00234036 Jy ! Component: 3850 - total flux cleaned = 0.00236051 Jy ! Component: 3900 - total flux cleaned = 0.00234054 Jy ! Component: 3950 - total flux cleaned = 0.00239036 Jy ! Component: 4000 - total flux cleaned = 0.00243994 Jy ! Component: 4050 - total flux cleaned = 0.00239052 Jy ! Total flux subtracted in 4096 components = 0.00241012 Jy ! Clean residual min=-0.000516 max=0.000675 Jy/beam ! Clean residual mean=-0.000001 rms=0.000168 Jy/beam ! Combined flux in latest and established models = 0.245652 Jy keep ! Adding 337 model components to the UV plane model. ! The established model now contains 426 components and 0.245652 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1748+3404_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9044 x 1.708 at -4.13 degrees (North through East) ! Clean map min=-0.00086488 max=0.22837 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1748+3404_X_map.fits wmodel /vlbi/uf001/uva//J1748+3404_X_map.mod ! Writing 426 model components to file: /vlbi/uf001/uva//J1748+3404_X_map.mod wobs /vlbi/uf001/uva//J1748+3404_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1748+3404_X_uvs.fits wwins /vlbi/uf001/uva//J1748+3404_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J1748+3404_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.228372 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00016799 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.220679 0.220679 0.441357 0.882714 1.76543 3.53086 7.06172 14.1234 28.2469 56.4937 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.228 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1359.44 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1748+3404_X_dfm.log closed on Mon Jan 14 04:21:09 2019