! Started logfile: /vlbi/uf001/uva//J1531+3430_X_dfm.log on Mon Jan 14 03:20:00 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//J1531+3430_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1531+3430_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.865497 visibilities/baseline/integration-bin. ! Found source: J1531+3430 ! ! 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 26640 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 J1531+3430_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 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002925Jy sigma=24.236156 ! Fit after self-cal, rms=0.950208Jy sigma=22.953124 ! 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=0.7241 mas, bmaj=1.255 mas, bpa=-5.138 degrees ! Estimated noise=0.387152 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 = 0.039726 Jy ! Component: 100 - total flux cleaned = 0.0484191 Jy ! Total flux subtracted in 100 components = 0.0484191 Jy ! Clean residual min=-0.002681 max=0.002556 Jy/beam ! Clean residual mean=-0.000002 rms=0.000601 Jy/beam ! Combined flux in latest and established models = 0.0484191 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0484191 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=0.059849Jy sigma=1.290142 ! Fit after self-cal, rms=0.058606Jy sigma=1.260814 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0035845 Jy ! Component: 100 - total flux cleaned = 0.00511645 Jy ! Total flux subtracted in 100 components = 0.00511645 Jy ! Clean residual min=-0.002408 max=0.002317 Jy/beam ! Clean residual mean=-0.000001 rms=0.000569 Jy/beam ! Combined flux in latest and established models = 0.0535355 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0535355 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=0.058392Jy sigma=1.254414 ! Fit after self-cal, rms=0.058394Jy sigma=1.254343 ! 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=0.9112 mas, bmaj=1.579 mas, bpa=-5.371 degrees ! Estimated noise=0.191183 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 (1.8, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00206422 Jy ! Component: 100 - total flux cleaned = 0.00328991 Jy ! Component: 150 - total flux cleaned = 0.0041947 Jy ! Component: 200 - total flux cleaned = 0.00486104 Jy ! Total flux subtracted in 200 components = 0.00486104 Jy ! Clean residual min=-0.001545 max=0.001517 Jy/beam ! Clean residual mean=-0.000002 rms=0.000348 Jy/beam ! Combined flux in latest and established models = 0.0583966 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 30 components and 0.0583966 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=0.058320Jy sigma=1.251840 ! Fit after self-cal, rms=0.058311Jy sigma=1.251526 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9112 x 1.579 at -5.371 degrees (North through East) ! Clean map min=-0.0014368 max=0.052679 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.94 KP 1.04 ! LA 1.03 MK 1.03 NL 1.11 OV 0.97 ! PT 0.88 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.07 HN 0.97 KP 1.01 ! LA 1.01 MK 1.11 NL 1.09 OV 0.87 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.36 HN 0.97 KP 1.02 ! LA 1.00 MK 1.03 NL 1.10 OV 0.91 ! PT 0.91 SC 1.03 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.11 HN 0.98 KP 1.05 ! LA 0.93 MK 0.97 NL 1.09 OV 0.92 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.06 HN 0.94 KP 1.01 ! LA 1.01 MK 1.06 NL 1.12 OV 0.93 ! PT 0.94 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.07 HN 0.99 KP 1.04 ! LA 1.00 MK 0.98 NL 1.09 OV 0.85 ! PT 0.98 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.95 HN 0.93 KP 1.08 ! LA 0.98 MK 1.04 NL 1.14 OV 0.88 ! PT 0.91 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.09 HN 1.08 KP 1.10 ! LA 0.96 MK 1.00 NL 1.07 OV 0.91 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 1.04 KP 1.07 ! LA 1.02 MK 0.96 NL 1.12 OV 0.90 ! PT 0.92 SC 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.10 HN 1.01 KP 0.96 ! LA 0.98 MK 0.98 NL 1.11 OV 0.95 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.17 HN 0.91 KP 1.00 ! LA 1.02 MK 0.96 NL 1.09 OV 0.89 ! PT 0.90 SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.99 HN 0.92 KP 1.03 ! LA 0.99 MK 0.94 NL 1.15 OV 0.92 ! PT 0.94 SC 1.05 ! ! ! Fit before self-cal, rms=0.058311Jy sigma=1.251526 ! Fit after self-cal, rms=0.058059Jy sigma=1.245264 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9112 mas, bmaj=1.587 mas, bpa=-5.187 degrees ! Estimated noise=0.189952 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 = -0.000797627 Jy ! Component: 100 - total flux cleaned = -0.00116664 Jy ! Component: 150 - total flux cleaned = -0.00125862 Jy ! Component: 200 - total flux cleaned = -0.00129289 Jy ! Total flux subtracted in 200 components = -0.00129289 Jy ! Clean residual min=-0.001072 max=0.001036 Jy/beam ! Clean residual mean=0.000000 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.0571037 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 43 components and 0.0571037 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=0.058047Jy sigma=1.244952 ! Fit after self-cal, rms=0.058103Jy sigma=1.244504 ! 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=0.058103Jy sigma=1.244504 ! Fit after self-cal, rms=0.058554Jy sigma=1.241363 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9122 mas, bmaj=1.588 mas, bpa=-5.317 degrees ! Estimated noise=0.189877 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000424601 Jy ! Component: 100 - total flux cleaned = -0.000538166 Jy ! Component: 150 - total flux cleaned = -0.000612112 Jy ! Component: 200 - total flux cleaned = -0.000677358 Jy ! Total flux subtracted in 200 components = -0.000677358 Jy ! Clean residual min=-0.000987 max=0.000955 Jy/beam ! Clean residual mean=0.000000 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.0564263 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 54 components and 0.0564263 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=0.058549Jy sigma=1.241247 ! Fit after self-cal, rms=0.058586Jy sigma=1.241047 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 = -0.00012594 Jy ! Component: 100 - total flux cleaned = -0.000160773 Jy ! Component: 150 - total flux cleaned = -0.000192747 Jy ! Component: 200 - total flux cleaned = -0.000207982 Jy ! Total flux subtracted in 200 components = -0.000207982 Jy ! Clean residual min=-0.000996 max=0.000965 Jy/beam ! Clean residual mean=0.000000 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.0562184 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 60 components and 0.0562184 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=0.058584Jy sigma=1.240989 ! Fit after self-cal, rms=0.058584Jy sigma=1.240984 ! 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=0.058584Jy sigma=1.240984 ! Fit after self-cal, rms=0.058583Jy sigma=1.240938 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9124 mas, bmaj=1.588 mas, bpa=-5.32 degrees ! Estimated noise=0.189526 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000258467 Jy ! Component: 100 - total flux cleaned = -0.000349723 Jy ! Component: 150 - total flux cleaned = -0.000405633 Jy ! Component: 200 - total flux cleaned = -0.000434929 Jy ! Total flux subtracted in 200 components = -0.000434929 Jy ! Clean residual min=-0.000976 max=0.000948 Jy/beam ! Clean residual mean=0.000000 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.0557834 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 63 components and 0.0557834 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=0.058580Jy sigma=1.240881 ! Fit after self-cal, rms=0.058585Jy sigma=1.240877 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 = -6.51475e-05 Jy ! Component: 100 - total flux cleaned = -9.39642e-05 Jy ! Component: 150 - total flux cleaned = -0.000114356 Jy ! Component: 200 - total flux cleaned = -0.000127513 Jy ! Total flux subtracted in 200 components = -0.000127513 Jy ! Clean residual min=-0.000975 max=0.000947 Jy/beam ! Clean residual mean=0.000000 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.0556559 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 65 components and 0.0556559 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=0.058584Jy sigma=1.240837 ! Fit after self-cal, rms=0.058584Jy sigma=1.240835 ! 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=0.058584Jy sigma=1.240835 ! Fit after self-cal, rms=0.058519Jy sigma=1.240823 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.102 mas, bmaj=2.633 mas, bpa=-6.381 degrees ! Estimated noise=0.238294 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.67571e-06 Jy ! Component: 100 - total flux cleaned = -5.73225e-05 Jy ! Component: 150 - total flux cleaned = -9.0162e-05 Jy ! Component: 200 - total flux cleaned = -0.000104128 Jy ! Total flux subtracted in 200 components = -0.000104128 Jy ! Clean residual min=-0.000943 max=0.001141 Jy/beam ! Clean residual mean=0.000000 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.0555518 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 71 components and 0.0555518 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=0.058519Jy sigma=1.240818 ! Fit after self-cal, rms=0.058523Jy sigma=1.240799 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 = -2.39497e-06 Jy ! Component: 100 - total flux cleaned = -9.28282e-06 Jy ! Component: 150 - total flux cleaned = -1.51792e-05 Jy ! Component: 200 - total flux cleaned = -1.46322e-05 Jy ! Total flux subtracted in 200 components = -1.46322e-05 Jy ! Clean residual min=-0.000939 max=0.001137 Jy/beam ! Clean residual mean=0.000000 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.0555372 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 76 components and 0.0555372 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=0.058524Jy sigma=1.240817 ! Fit after self-cal, rms=0.058525Jy sigma=1.240813 ! 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=0.9127 mas, bmaj=1.588 mas, bpa=-5.308 degrees ! Estimated noise=0.189192 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9127 x 1.588 at -5.308 degrees (North through East) ! Clean map min=-0.00099488 max=0.052211 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=0.7255 mas, bmaj=1.262 mas, bpa=-4.7 degrees ! Estimated noise=0.38319 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0404205 Jy ! Component: 100 - total flux cleaned = 0.0493178 Jy ! Component: 150 - total flux cleaned = 0.0511762 Jy ! Component: 200 - total flux cleaned = 0.0520676 Jy ! Total flux subtracted in 200 components = 0.0520676 Jy ! Clean residual min=-0.002080 max=0.001996 Jy/beam ! Clean residual mean=-0.000000 rms=0.000486 Jy/beam ! Combined flux in latest and established models = 0.0520677 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0520677 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9127 mas, bmaj=1.588 mas, bpa=-5.308 degrees ! Estimated noise=0.189192 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 = 0.0014483 Jy ! Component: 100 - total flux cleaned = 0.00232193 Jy ! Component: 150 - total flux cleaned = 0.00286572 Jy ! Component: 200 - total flux cleaned = 0.00298296 Jy ! Total flux subtracted in 200 components = 0.00298296 Jy ! Clean residual min=-0.001036 max=0.000998 Jy/beam ! Clean residual mean=0.000000 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.0550506 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 32 components and 0.0550506 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=2.102 mas, bmaj=2.633 mas, bpa=-6.381 degrees ! Estimated noise=0.238294 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000509617 Jy ! Component: 100 - total flux cleaned = 0.000526078 Jy ! Component: 150 - total flux cleaned = 0.000548612 Jy ! Component: 200 - total flux cleaned = 0.000558649 Jy ! Total flux subtracted in 200 components = 0.000558649 Jy ! Clean residual min=-0.000948 max=0.001157 Jy/beam ! Clean residual mean=0.000000 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.0556093 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 = 3.59581e-07 Jy ! Component: 100 - total flux cleaned = 3.95423e-07 Jy ! Component: 150 - total flux cleaned = -6.57285e-06 Jy ! Component: 200 - total flux cleaned = -1.28174e-05 Jy ! Total flux subtracted in 200 components = -1.28174e-05 Jy ! Clean residual min=-0.000945 max=0.001147 Jy/beam ! Clean residual mean=0.000000 rms=0.000276 Jy/beam ! Combined flux in latest and established models = 0.0555965 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 54 components and 0.0555965 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9127 mas, bmaj=1.588 mas, bpa=-5.308 degrees ! Estimated noise=0.189192 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000261695 Jy ! Component: 100 - total flux cleaned = -0.000262191 Jy ! Component: 150 - total flux cleaned = -0.000249557 Jy ! Component: 200 - total flux cleaned = -0.000249573 Jy ! Total flux subtracted in 200 components = -0.000249573 Jy ! Clean residual min=-0.000998 max=0.000925 Jy/beam ! Clean residual mean=0.000000 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.0553469 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 66 components and 0.0553469 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=0.058532Jy sigma=1.241012 ! Fit after self-cal, rms=0.058530Jy sigma=1.240986 wmodel J1531+3430_X_map.mod ! Writing 66 model components to file: J1531+3430_X_map.mod wobs J1531+3430_X_uvs.fits ! Writing UV FITS file: J1531+3430_X_uvs.fits wwins J1531+3430_X_map.win ! wwins: Wrote 2 windows to J1531+3430_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 = -0.000239045 Jy ! Component: 100 - total flux cleaned = -0.000322183 Jy ! Component: 150 - total flux cleaned = -0.000322415 Jy ! Component: 200 - total flux cleaned = -0.000382544 Jy ! Component: 250 - total flux cleaned = -0.000367289 Jy ! Component: 300 - total flux cleaned = -0.000381478 Jy ! Component: 350 - total flux cleaned = -0.000436985 Jy ! Component: 400 - total flux cleaned = -0.000464247 Jy ! Component: 450 - total flux cleaned = -0.000491109 Jy ! Component: 500 - total flux cleaned = -0.000530585 Jy ! Component: 550 - total flux cleaned = -0.000556319 Jy ! Component: 600 - total flux cleaned = -0.000619364 Jy ! Component: 650 - total flux cleaned = -0.000656549 Jy ! Component: 700 - total flux cleaned = -0.00066883 Jy ! Component: 750 - total flux cleaned = -0.000717326 Jy ! Component: 800 - total flux cleaned = -0.000753025 Jy ! Component: 850 - total flux cleaned = -0.000752933 Jy ! Component: 900 - total flux cleaned = -0.00082283 Jy ! Component: 950 - total flux cleaned = -0.000868514 Jy ! Component: 1000 - total flux cleaned = -0.000857135 Jy ! Component: 1050 - total flux cleaned = -0.000935742 Jy ! Component: 1100 - total flux cleaned = -0.000935861 Jy ! Component: 1150 - total flux cleaned = -0.000979889 Jy ! Component: 1200 - total flux cleaned = -0.00105614 Jy ! Component: 1250 - total flux cleaned = -0.00109912 Jy ! Component: 1300 - total flux cleaned = -0.00114197 Jy ! Component: 1350 - total flux cleaned = -0.00119467 Jy ! Component: 1400 - total flux cleaned = -0.00122611 Jy ! Component: 1450 - total flux cleaned = -0.00127802 Jy ! Component: 1500 - total flux cleaned = -0.00131919 Jy ! Component: 1550 - total flux cleaned = -0.00133944 Jy ! Component: 1600 - total flux cleaned = -0.00142048 Jy ! Component: 1650 - total flux cleaned = -0.00142039 Jy ! Component: 1700 - total flux cleaned = -0.00148017 Jy ! Component: 1750 - total flux cleaned = -0.0015296 Jy ! Component: 1800 - total flux cleaned = -0.00151969 Jy ! Component: 1850 - total flux cleaned = -0.00157821 Jy ! Component: 1900 - total flux cleaned = -0.00155885 Jy ! Component: 1950 - total flux cleaned = -0.00157808 Jy ! Component: 2000 - total flux cleaned = -0.00161634 Jy ! Component: 2050 - total flux cleaned = -0.00163527 Jy ! Component: 2100 - total flux cleaned = -0.00166342 Jy ! Component: 2150 - total flux cleaned = -0.00167275 Jy ! Component: 2200 - total flux cleaned = -0.00171923 Jy ! Component: 2250 - total flux cleaned = -0.00171921 Jy ! Component: 2300 - total flux cleaned = -0.0017468 Jy ! Component: 2350 - total flux cleaned = -0.00176496 Jy ! Component: 2400 - total flux cleaned = -0.00176498 Jy ! Component: 2450 - total flux cleaned = -0.00178305 Jy ! Component: 2500 - total flux cleaned = -0.00184573 Jy ! Component: 2550 - total flux cleaned = -0.0018813 Jy ! Component: 2600 - total flux cleaned = -0.0019255 Jy ! Component: 2650 - total flux cleaned = -0.00191668 Jy ! Component: 2700 - total flux cleaned = -0.0019429 Jy ! Component: 2750 - total flux cleaned = -0.00199502 Jy ! Component: 2800 - total flux cleaned = -0.00198629 Jy ! Component: 2850 - total flux cleaned = -0.00204639 Jy ! Component: 2900 - total flux cleaned = -0.00202936 Jy ! Component: 2950 - total flux cleaned = -0.00208894 Jy ! Component: 3000 - total flux cleaned = -0.00213116 Jy ! Component: 3050 - total flux cleaned = -0.00213961 Jy ! Component: 3100 - total flux cleaned = -0.00218147 Jy ! Component: 3150 - total flux cleaned = -0.00222314 Jy ! Component: 3200 - total flux cleaned = -0.00225636 Jy ! Component: 3250 - total flux cleaned = -0.00227282 Jy ! Component: 3300 - total flux cleaned = -0.00230568 Jy ! Component: 3350 - total flux cleaned = -0.00236291 Jy ! Component: 3400 - total flux cleaned = -0.00237917 Jy ! Component: 3450 - total flux cleaned = -0.00241966 Jy ! Component: 3500 - total flux cleaned = -0.00245189 Jy ! Component: 3550 - total flux cleaned = -0.00250808 Jy ! Component: 3600 - total flux cleaned = -0.00250006 Jy ! Component: 3650 - total flux cleaned = -0.00252392 Jy ! Component: 3700 - total flux cleaned = -0.00253978 Jy ! Component: 3750 - total flux cleaned = -0.00258705 Jy ! Component: 3800 - total flux cleaned = -0.00260271 Jy ! Component: 3850 - total flux cleaned = -0.00261048 Jy ! Component: 3900 - total flux cleaned = -0.00266486 Jy ! Component: 3950 - total flux cleaned = -0.0026957 Jy ! Component: 4000 - total flux cleaned = -0.00272646 Jy ! Component: 4050 - total flux cleaned = -0.00273415 Jy ! Total flux subtracted in 4096 components = -0.00275697 Jy ! Clean residual min=-0.000444 max=0.000478 Jy/beam ! Clean residual mean=0.000000 rms=0.000131 Jy/beam ! Combined flux in latest and established models = 0.0525899 Jy keep ! Adding 315 model components to the UV plane model. ! The established model now contains 381 components and 0.0525899 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1531+3430_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9127 x 1.588 at -5.308 degrees (North through East) ! Clean map min=-0.00098367 max=0.052163 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1531+3430_X_map.fits wmodel /vlbi/uf001/uva//J1531+3430_X_map.mod ! Writing 381 model components to file: /vlbi/uf001/uva//J1531+3430_X_map.mod wobs /vlbi/uf001/uva//J1531+3430_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1531+3430_X_uvs.fits wwins /vlbi/uf001/uva//J1531+3430_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J1531+3430_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0521631 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000129891 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.74703 0.74703 1.49406 2.98812 5.97624 11.9525 23.905 47.8099 95.6199 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.052 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 401.59 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1531+3430_X_dfm.log closed on Mon Jan 14 03:20:05 2019