! Started logfile: /vlbi/uf001/uva//J1920-0236_X_dfm.log on Mon Jan 14 05:01:07 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//J1920-0236_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1920-0236_X_uva.fits ! AN table 1: 57 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.873851 visibilities/baseline/integration-bin. ! Found source: J1920-0236 ! ! 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 121 lines of history. ! ! Reading 12552 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 J1920-0236_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 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 45 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.016715Jy sigma=24.845175 ! Fit after self-cal, rms=0.815770Jy sigma=19.869963 ! 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=1.243 mas, bmaj=6.508 mas, bpa=-12.87 degrees ! Estimated noise=0.393814 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 = 0.130491 Jy ! Component: 100 - total flux cleaned = 0.173112 Jy ! Total flux subtracted in 100 components = 0.173112 Jy ! Clean residual min=-0.010597 max=0.019490 Jy/beam ! Clean residual mean=0.000007 rms=0.003373 Jy/beam ! Combined flux in latest and established models = 0.173112 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.173112 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=0.075662Jy sigma=1.798362 ! Fit after self-cal, rms=0.075515Jy sigma=1.794457 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.022427 Jy ! Component: 100 - total flux cleaned = 0.0349201 Jy ! Total flux subtracted in 100 components = 0.0349201 Jy ! Clean residual min=-0.008202 max=0.011019 Jy/beam ! Clean residual mean=0.000007 rms=0.002481 Jy/beam ! Combined flux in latest and established models = 0.208032 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 39 components and 0.208032 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=0.064792Jy sigma=1.529533 ! Fit after self-cal, rms=0.064699Jy sigma=1.526882 ! 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=1.563 mas, bmaj=6.352 mas, bpa=-13 degrees ! Estimated noise=0.270283 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 = 0.0148466 Jy ! Component: 100 - total flux cleaned = 0.0243332 Jy ! Component: 150 - total flux cleaned = 0.0311582 Jy ! Component: 200 - total flux cleaned = 0.0363048 Jy ! Total flux subtracted in 200 components = 0.0363048 Jy ! Clean residual min=-0.007691 max=0.012489 Jy/beam ! Clean residual mean=0.000006 rms=0.002591 Jy/beam ! Combined flux in latest and established models = 0.244337 Jy ! Performing phase self-cal ! Adding 63 model components to the UV plane model. ! The established model now contains 96 components and 0.244337 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=0.060532Jy sigma=1.425847 ! Fit after self-cal, rms=0.060511Jy sigma=1.424601 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.563 x 6.352 at -13 degrees (North through East) ! Clean map min=-0.0078369 max=0.1845 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.12 HN 1.03 KP 0.99 LA 0.98 ! NL 1.07 OV 0.95 PT 0.91 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.12 HN 1.00 KP 0.99 LA 1.01 ! NL 1.04 OV 0.94 PT 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.14 HN 1.00 KP 0.98 LA 0.98 ! NL 1.09 OV 0.96 PT 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.12 HN 1.00 KP 1.00 LA 1.00 ! NL 1.07 OV 0.95 PT 0.91 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.13 HN 1.03 KP 0.98 LA 0.99 ! NL 1.07 OV 0.97 PT 0.92 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.16 HN 0.99 KP 0.96 LA 0.99 ! NL 1.10 OV 0.96 PT 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.09 HN 1.01 KP 0.99 LA 0.99 ! NL 1.07 OV 0.96 PT 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.13 HN 1.00 KP 0.99 LA 0.98 ! NL 1.07 OV 0.98 PT 0.92 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.14 HN 1.02 KP 0.97 LA 1.00 ! NL 1.08 OV 0.98 PT 0.90 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 1.10 HN 1.04 KP 0.97 LA 0.97 ! NL 1.09 OV 0.98 PT 0.92 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 1.10 HN 1.01 KP 1.00 LA 1.01 ! NL 1.07 OV 0.98 PT 0.90 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 1.12 HN 1.03 KP 0.98 LA 1.01 ! NL 1.07 OV 0.96 PT 0.90 ! ! ! Fit before self-cal, rms=0.060511Jy sigma=1.424601 ! Fit after self-cal, rms=0.059108Jy sigma=1.368548 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.565 mas, bmaj=6.481 mas, bpa=-12.75 degrees ! Estimated noise=0.271295 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 = -0.00119942 Jy ! Component: 100 - total flux cleaned = -0.00214447 Jy ! Component: 150 - total flux cleaned = -0.00291868 Jy ! Component: 200 - total flux cleaned = -0.00351871 Jy ! Total flux subtracted in 200 components = -0.00351871 Jy ! Clean residual min=-0.007342 max=0.010366 Jy/beam ! Clean residual mean=0.000000 rms=0.002121 Jy/beam ! Combined flux in latest and established models = 0.240818 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 123 components and 0.240818 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=0.058879Jy sigma=1.363773 ! Fit after self-cal, rms=0.058908Jy sigma=1.363394 ! 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=0.058908Jy sigma=1.363394 ! Fit after self-cal, rms=0.055961Jy sigma=1.257263 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.559 mas, bmaj=6.567 mas, bpa=-12.9 degrees ! Estimated noise=0.271562 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00196971 Jy ! Component: 100 - total flux cleaned = -0.00300944 Jy ! Component: 150 - total flux cleaned = -0.0036821 Jy ! Component: 200 - total flux cleaned = -0.00401304 Jy ! Total flux subtracted in 200 components = -0.00401304 Jy ! Clean residual min=-0.005119 max=0.008842 Jy/beam ! Clean residual mean=0.000005 rms=0.001318 Jy/beam ! Combined flux in latest and established models = 0.236805 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 144 components and 0.236805 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=0.055780Jy sigma=1.254426 ! Fit after self-cal, rms=0.055828Jy sigma=1.253950 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 (4.2, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00766068 Jy ! Component: 100 - total flux cleaned = 0.00893825 Jy ! Component: 150 - total flux cleaned = 0.0105224 Jy ! Component: 200 - total flux cleaned = 0.0112314 Jy ! Total flux subtracted in 200 components = 0.0112314 Jy ! Clean residual min=-0.003624 max=0.003298 Jy/beam ! Clean residual mean=0.000003 rms=0.000771 Jy/beam ! Combined flux in latest and established models = 0.248037 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 185 components and 0.248037 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=0.054657Jy sigma=1.224020 ! Fit after self-cal, rms=0.054573Jy sigma=1.221771 ! 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=0.054573Jy sigma=1.221771 ! Fit after self-cal, rms=0.054380Jy sigma=1.218700 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.558 mas, bmaj=6.567 mas, bpa=-12.82 degrees ! Estimated noise=0.270203 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00255653 Jy ! Component: 100 - total flux cleaned = 0.00239311 Jy ! Component: 150 - total flux cleaned = 0.00245076 Jy ! Component: 200 - total flux cleaned = 0.0027668 Jy ! Total flux subtracted in 200 components = 0.0027668 Jy ! Clean residual min=-0.002572 max=0.002193 Jy/beam ! Clean residual mean=0.000002 rms=0.000546 Jy/beam ! Combined flux in latest and established models = 0.250804 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 214 components and 0.250804 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=0.054148Jy sigma=1.213120 ! Fit after self-cal, rms=0.054140Jy sigma=1.212707 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 = -4.25339e-05 Jy ! Component: 100 - total flux cleaned = 0.000100777 Jy ! Component: 150 - total flux cleaned = 0.000315667 Jy ! Component: 200 - total flux cleaned = 0.000589483 Jy ! Total flux subtracted in 200 components = 0.000589483 Jy ! Clean residual min=-0.002267 max=0.001988 Jy/beam ! Clean residual mean=0.000002 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.251393 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 234 components and 0.251393 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=0.054058Jy sigma=1.211064 ! Fit after self-cal, rms=0.054051Jy sigma=1.210940 ! 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=0.054051Jy sigma=1.210940 ! Fit after self-cal, rms=0.053934Jy sigma=1.210273 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.322 mas, bmaj=6.366 mas, bpa=-12.56 degrees ! Estimated noise=0.289095 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000566279 Jy ! Component: 100 - total flux cleaned = 0.000784217 Jy ! Component: 150 - total flux cleaned = 0.00104767 Jy ! Component: 200 - total flux cleaned = 0.00131881 Jy ! Total flux subtracted in 200 components = 0.00131881 Jy ! Clean residual min=-0.002166 max=0.001903 Jy/beam ! Clean residual mean=0.000003 rms=0.000485 Jy/beam ! Combined flux in latest and established models = 0.252712 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 253 components and 0.252712 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=0.053873Jy sigma=1.208932 ! Fit after self-cal, rms=0.053870Jy sigma=1.208800 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 = 0.000231299 Jy ! Component: 100 - total flux cleaned = 0.000356638 Jy ! Component: 150 - total flux cleaned = 0.000530806 Jy ! Component: 200 - total flux cleaned = 0.000693003 Jy ! Total flux subtracted in 200 components = 0.000693003 Jy ! Clean residual min=-0.002099 max=0.001796 Jy/beam ! Clean residual mean=0.000003 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.253405 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 277 components and 0.253405 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=0.053838Jy sigma=1.208199 ! Fit after self-cal, rms=0.053834Jy sigma=1.208139 ! 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=1.555 mas, bmaj=6.573 mas, bpa=-12.79 degrees ! Estimated noise=0.269393 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.555 x 6.573 at -12.79 degrees (North through East) ! Clean map min=-0.0016977 max=0.18346 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=1.227 mas, bmaj=6.76 mas, bpa=-12.7 degrees ! Estimated noise=0.397643 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.131864 Jy ! Component: 100 - total flux cleaned = 0.177838 Jy ! Component: 150 - total flux cleaned = 0.200723 Jy ! Component: 200 - total flux cleaned = 0.213037 Jy ! Total flux subtracted in 200 components = 0.213037 Jy ! Clean residual min=-0.004591 max=0.006532 Jy/beam ! Clean residual mean=0.000004 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 0.213037 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.213037 Jy ! Inverting map and beam ! Estimated beam: bmin=1.555 mas, bmaj=6.573 mas, bpa=-12.79 degrees ! Estimated noise=0.269393 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 = 0.0124242 Jy ! Component: 100 - total flux cleaned = 0.0203749 Jy ! Component: 150 - total flux cleaned = 0.0258046 Jy ! Component: 200 - total flux cleaned = 0.0297567 Jy ! Total flux subtracted in 200 components = 0.0297567 Jy ! Clean residual min=-0.002427 max=0.002806 Jy/beam ! Clean residual mean=0.000004 rms=0.000662 Jy/beam ! Combined flux in latest and established models = 0.242794 Jy ! Adding 71 model components to the UV plane model. ! The established model now contains 83 components and 0.242794 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=2.322 mas, bmaj=6.366 mas, bpa=-12.56 degrees ! Estimated noise=0.289095 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00369411 Jy ! Component: 100 - total flux cleaned = 0.00621074 Jy ! Component: 150 - total flux cleaned = 0.0079605 Jy ! Component: 200 - total flux cleaned = 0.00905807 Jy ! Total flux subtracted in 200 components = 0.00905807 Jy ! Clean residual min=-0.001878 max=0.001619 Jy/beam ! Clean residual mean=0.000004 rms=0.000495 Jy/beam ! Combined flux in latest and established models = 0.251852 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 = 0.000661229 Jy ! Component: 100 - total flux cleaned = 0.00103494 Jy ! Component: 150 - total flux cleaned = 0.00139329 Jy ! Component: 200 - total flux cleaned = 0.0016796 Jy ! Total flux subtracted in 200 components = 0.0016796 Jy ! Clean residual min=-0.001711 max=0.001351 Jy/beam ! Clean residual mean=0.000003 rms=0.000440 Jy/beam ! Combined flux in latest and established models = 0.253532 Jy ! Adding 102 model components to the UV plane model. ! The established model now contains 168 components and 0.253532 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.555 mas, bmaj=6.573 mas, bpa=-12.79 degrees ! Estimated noise=0.269393 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000136016 Jy ! Component: 100 - total flux cleaned = 0.000368054 Jy ! Component: 150 - total flux cleaned = 0.0005516 Jy ! Component: 200 - total flux cleaned = 0.000792318 Jy ! Total flux subtracted in 200 components = 0.000792318 Jy ! Clean residual min=-0.001533 max=0.001371 Jy/beam ! Clean residual mean=0.000002 rms=0.000371 Jy/beam ! Combined flux in latest and established models = 0.254324 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 194 components and 0.254324 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=0.053790Jy sigma=1.207657 ! Fit after self-cal, rms=0.053772Jy sigma=1.207404 wmodel J1920-0236_X_map.mod ! Writing 194 model components to file: J1920-0236_X_map.mod wobs J1920-0236_X_uvs.fits ! Writing UV FITS file: J1920-0236_X_uvs.fits wwins J1920-0236_X_map.win ! wwins: Wrote 2 windows to J1920-0236_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 = -0.000601735 Jy ! Component: 100 - total flux cleaned = -0.000834133 Jy ! Component: 150 - total flux cleaned = -0.000856093 Jy ! Component: 200 - total flux cleaned = -0.000855882 Jy ! Component: 250 - total flux cleaned = -0.000874886 Jy ! Component: 300 - total flux cleaned = -0.000856565 Jy ! Component: 350 - total flux cleaned = -0.000751551 Jy ! Component: 400 - total flux cleaned = -0.000735095 Jy ! Component: 450 - total flux cleaned = -0.000735596 Jy ! Component: 500 - total flux cleaned = -0.000735823 Jy ! Component: 550 - total flux cleaned = -0.000720306 Jy ! Component: 600 - total flux cleaned = -0.00070549 Jy ! Component: 650 - total flux cleaned = -0.000705885 Jy ! Component: 700 - total flux cleaned = -0.000734163 Jy ! Component: 750 - total flux cleaned = -0.000733771 Jy ! Component: 800 - total flux cleaned = -0.000666484 Jy ! Component: 850 - total flux cleaned = -0.000614447 Jy ! Component: 900 - total flux cleaned = -0.000614565 Jy ! Component: 950 - total flux cleaned = -0.000563959 Jy ! Component: 1000 - total flux cleaned = -0.000465603 Jy ! Component: 1050 - total flux cleaned = -0.000429449 Jy ! Component: 1100 - total flux cleaned = -0.00035821 Jy ! Component: 1150 - total flux cleaned = -0.000288601 Jy ! Component: 1200 - total flux cleaned = -0.000277073 Jy ! Component: 1250 - total flux cleaned = -0.000198749 Jy ! Component: 1300 - total flux cleaned = -0.000199033 Jy ! Component: 1350 - total flux cleaned = -0.000177511 Jy ! Component: 1400 - total flux cleaned = -0.000134905 Jy ! Component: 1450 - total flux cleaned = -0.000103707 Jy ! Component: 1500 - total flux cleaned = -8.29714e-05 Jy ! Component: 1550 - total flux cleaned = -3.27922e-05 Jy ! Component: 1600 - total flux cleaned = -2.3134e-05 Jy ! Component: 1650 - total flux cleaned = -3.68055e-06 Jy ! Component: 1700 - total flux cleaned = 6.33594e-05 Jy ! Component: 1750 - total flux cleaned = 9.14932e-05 Jy ! Component: 1800 - total flux cleaned = 0.000119359 Jy ! Component: 1850 - total flux cleaned = 0.000201532 Jy ! Component: 1900 - total flux cleaned = 0.000219675 Jy ! Component: 1950 - total flux cleaned = 0.000255418 Jy ! Component: 2000 - total flux cleaned = 0.000281808 Jy ! Component: 2050 - total flux cleaned = 0.000316508 Jy ! Component: 2100 - total flux cleaned = 0.000342142 Jy ! Component: 2150 - total flux cleaned = 0.000375855 Jy ! Component: 2200 - total flux cleaned = 0.000400712 Jy ! Component: 2250 - total flux cleaned = 0.000417091 Jy ! Component: 2300 - total flux cleaned = 0.000449541 Jy ! Component: 2350 - total flux cleaned = 0.000489444 Jy ! Component: 2400 - total flux cleaned = 0.00049734 Jy ! Component: 2450 - total flux cleaned = 0.00050513 Jy ! Component: 2500 - total flux cleaned = 0.000512843 Jy ! Component: 2550 - total flux cleaned = 0.000543282 Jy ! Component: 2600 - total flux cleaned = 0.000528163 Jy ! Component: 2650 - total flux cleaned = 0.00054307 Jy ! Component: 2700 - total flux cleaned = 0.000535729 Jy ! Component: 2750 - total flux cleaned = 0.000557488 Jy ! Component: 2800 - total flux cleaned = 0.000550251 Jy ! Component: 2850 - total flux cleaned = 0.000543195 Jy ! Component: 2900 - total flux cleaned = 0.000529174 Jy ! Component: 2950 - total flux cleaned = 0.000563805 Jy ! Component: 3000 - total flux cleaned = 0.000549908 Jy ! Component: 3050 - total flux cleaned = 0.00054988 Jy ! Component: 3100 - total flux cleaned = 0.000549932 Jy ! Component: 3150 - total flux cleaned = 0.00056326 Jy ! Component: 3200 - total flux cleaned = 0.00055666 Jy ! Component: 3250 - total flux cleaned = 0.000556742 Jy ! Component: 3300 - total flux cleaned = 0.00057618 Jy ! Component: 3350 - total flux cleaned = 0.000576197 Jy ! Component: 3400 - total flux cleaned = 0.00058889 Jy ! Component: 3450 - total flux cleaned = 0.000576243 Jy ! Component: 3500 - total flux cleaned = 0.000582498 Jy ! Component: 3550 - total flux cleaned = 0.000563882 Jy ! Component: 3600 - total flux cleaned = 0.000563788 Jy ! Component: 3650 - total flux cleaned = 0.00055764 Jy ! Component: 3700 - total flux cleaned = 0.00055767 Jy ! Component: 3750 - total flux cleaned = 0.000575664 Jy ! Component: 3800 - total flux cleaned = 0.000569722 Jy ! Component: 3850 - total flux cleaned = 0.000563817 Jy ! Component: 3900 - total flux cleaned = 0.000557884 Jy ! Component: 3950 - total flux cleaned = 0.000540447 Jy ! Component: 4000 - total flux cleaned = 0.00055191 Jy ! Component: 4050 - total flux cleaned = 0.000546096 Jy ! Total flux subtracted in 4096 components = 0.000528991 Jy ! Clean residual min=-0.000339 max=0.000355 Jy/beam ! Clean residual mean=0.000000 rms=0.000112 Jy/beam ! Combined flux in latest and established models = 0.254853 Jy keep ! Adding 320 model components to the UV plane model. ! The established model now contains 514 components and 0.254853 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1920-0236_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.555 x 6.573 at -12.79 degrees (North through East) ! Clean map min=-0.001105 max=0.18383 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1920-0236_X_map.fits wmodel /vlbi/uf001/uva//J1920-0236_X_map.mod ! Writing 514 model components to file: /vlbi/uf001/uva//J1920-0236_X_map.mod wobs /vlbi/uf001/uva//J1920-0236_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1920-0236_X_uvs.fits wwins /vlbi/uf001/uva//J1920-0236_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J1920-0236_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.183835 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000113058 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.1845 0.1845 0.369 0.737999 1.476 2.952 5.90399 11.808 23.616 47.2319 94.4639 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.183 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1626.02 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1920-0236_X_dfm.log closed on Mon Jan 14 05:01:12 2019