! Started logfile: /vlbi/uf001/uva//J1819+3845_X_dfm.log on Mon Jan 14 04:34:36 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//J1819+3845_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1819+3845_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.8 visibilities/baseline/integration-bin. ! Found source: J1819+3845 ! ! 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 24624 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 J1819+3845_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 124 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 124 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 124 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 124 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 124 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 124 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 124 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 124 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 124 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 124 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 124 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 124 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.024407Jy sigma=20.868513 ! Fit after self-cal, rms=0.822992Jy sigma=16.306649 ! 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=0.7528 mas, bmaj=1.325 mas, bpa=-1.468 degrees ! Estimated noise=0.491715 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 = 0.142325 Jy ! Component: 100 - total flux cleaned = 0.177298 Jy ! Total flux subtracted in 100 components = 0.177298 Jy ! Clean residual min=-0.008833 max=0.015593 Jy/beam ! Clean residual mean=-0.000007 rms=0.002225 Jy/beam ! Combined flux in latest and established models = 0.177298 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.177298 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=0.090245Jy sigma=1.674353 ! Fit after self-cal, rms=0.090164Jy sigma=1.673607 ! Inverting map ! Added new window around map position (4.4, -9.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0162518 Jy ! Component: 100 - total flux cleaned = 0.0255419 Jy ! Total flux subtracted in 100 components = 0.0255419 Jy ! Clean residual min=-0.008055 max=0.013635 Jy/beam ! Clean residual mean=-0.000007 rms=0.001933 Jy/beam ! Combined flux in latest and established models = 0.20284 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 18 components and 0.20284 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=0.087349Jy sigma=1.563693 ! Fit after self-cal, rms=0.087160Jy sigma=1.557452 ! Inverting map ! Added new window around map position (-0.4, -1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107675 Jy ! Component: 100 - total flux cleaned = 0.0174115 Jy ! Total flux subtracted in 100 components = 0.0174115 Jy ! Clean residual min=-0.007945 max=0.010637 Jy/beam ! Clean residual mean=-0.000006 rms=0.001769 Jy/beam ! Combined flux in latest and established models = 0.220251 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 27 components and 0.220251 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=0.085539Jy sigma=1.506328 ! Fit after self-cal, rms=0.085463Jy sigma=1.502239 ! 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=0.9625 mas, bmaj=1.609 mas, bpa=-0.6681 degrees ! Estimated noise=0.2481 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 = 0.00952822 Jy ! Component: 100 - total flux cleaned = 0.0158723 Jy ! Component: 150 - total flux cleaned = 0.0205444 Jy ! Component: 200 - total flux cleaned = 0.0240162 Jy ! Total flux subtracted in 200 components = 0.0240162 Jy ! Clean residual min=-0.009257 max=0.009275 Jy/beam ! Clean residual mean=-0.000040 rms=0.002014 Jy/beam ! Combined flux in latest and established models = 0.244268 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 40 components and 0.244268 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=0.084490Jy sigma=1.462335 ! Fit after self-cal, rms=0.084458Jy sigma=1.460059 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9625 x 1.609 at -0.6681 degrees (North through East) ! Clean map min=-0.0089382 max=0.18093 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.25 FD 1.01 HN 0.94 KP 1.12 ! LA 0.81 MK 1.05 NL 1.12 OV 0.99 ! PT 0.98 SC 1.11 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.27 FD 1.04 HN 0.96 KP 1.10 ! LA 0.82 MK 1.04 NL 1.08 OV 0.98 ! PT 0.99 SC 1.09 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.26 FD 1.03 HN 0.93 KP 1.13 ! LA 0.80 MK 1.07 NL 1.12 OV 0.99 ! PT 0.99 SC 1.10 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 1.03 HN 0.94 KP 1.13 ! LA 0.82 MK 1.01 NL 1.10 OV 0.98 ! PT 0.99 SC 1.07 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.02 HN 0.93 KP 1.08 ! LA 0.82 MK 1.06 NL 1.09 OV 0.99 ! PT 1.01 SC 1.09 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.31 FD 1.01 HN 0.93 KP 1.11 ! LA 0.80 MK 1.04 NL 1.10 OV 0.98 ! PT 0.96 SC 1.13 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 FD 1.03 HN 0.96 KP 1.12 ! LA 0.80 MK 1.04 NL 1.09 OV 0.98 ! PT 1.00 SC 1.06 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 1.02 HN 0.95 KP 1.08 ! LA 0.80 MK 1.02 NL 1.12 OV 0.96 ! PT 1.01 SC 1.07 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.02 HN 0.94 KP 1.12 ! LA 0.81 MK 1.03 NL 1.10 OV 0.97 ! PT 0.98 SC 1.06 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.26 FD 1.03 HN 0.95 KP 1.15 ! LA 0.81 MK 0.99 NL 1.07 OV 0.95 ! PT 0.99 SC 1.07 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 FD 1.02 HN 0.92 KP 1.08 ! LA 0.80 MK 0.98 NL 1.10 OV 0.97 ! PT 0.98 SC 1.07 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.28 FD 1.00 HN 0.96 KP 1.09 ! LA 0.82 MK 0.96 NL 1.10 OV 0.97 ! PT 1.02 SC 1.05 ! ! ! Fit before self-cal, rms=0.084458Jy sigma=1.460059 ! Fit after self-cal, rms=0.086219Jy sigma=1.324651 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9729 mas, bmaj=1.637 mas, bpa=-2.131 degrees ! Estimated noise=0.249724 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 = -0.0045879 Jy ! Component: 100 - total flux cleaned = -0.00613311 Jy ! Component: 150 - total flux cleaned = -0.00707267 Jy ! Component: 200 - total flux cleaned = -0.00763607 Jy ! Total flux subtracted in 200 components = -0.00763607 Jy ! Clean residual min=-0.004955 max=0.005027 Jy/beam ! Clean residual mean=-0.000006 rms=0.001060 Jy/beam ! Combined flux in latest and established models = 0.236632 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 54 components and 0.236632 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=0.085863Jy sigma=1.317772 ! Fit after self-cal, rms=0.086251Jy sigma=1.316042 ! 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=0.086251Jy sigma=1.316042 ! Fit after self-cal, rms=0.101696Jy sigma=1.271561 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9722 mas, bmaj=1.658 mas, bpa=-0.2686 degrees ! Estimated noise=0.251678 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00438615 Jy ! Component: 100 - total flux cleaned = -0.00536686 Jy ! Component: 150 - total flux cleaned = -0.0058155 Jy ! Component: 200 - total flux cleaned = -0.00605178 Jy ! Total flux subtracted in 200 components = -0.00605178 Jy ! Clean residual min=-0.003813 max=0.002111 Jy/beam ! Clean residual mean=-0.000002 rms=0.000611 Jy/beam ! Combined flux in latest and established models = 0.23058 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 63 components and 0.23058 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=0.101484Jy sigma=1.265147 ! Fit after self-cal, rms=0.101765Jy sigma=1.263058 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 = -0.00181287 Jy ! Component: 100 - total flux cleaned = -0.0021233 Jy ! Component: 150 - total flux cleaned = -0.00227445 Jy ! Component: 200 - total flux cleaned = -0.00235821 Jy ! Total flux subtracted in 200 components = -0.00235821 Jy ! Clean residual min=-0.003329 max=0.002131 Jy/beam ! Clean residual mean=-0.000003 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.228222 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 67 components and 0.228222 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=0.101714Jy sigma=1.260888 ! Fit after self-cal, rms=0.101707Jy sigma=1.260422 ! 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=0.101707Jy sigma=1.260422 ! Fit after self-cal, rms=0.106310Jy sigma=1.258552 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9738 mas, bmaj=1.661 mas, bpa=-0.28 degrees ! Estimated noise=0.2515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00253882 Jy ! Component: 100 - total flux cleaned = -0.00316027 Jy ! Component: 150 - total flux cleaned = -0.00354816 Jy ! Component: 200 - total flux cleaned = -0.0037972 Jy ! Total flux subtracted in 200 components = -0.0037972 Jy ! Clean residual min=-0.002852 max=0.001835 Jy/beam ! Clean residual mean=-0.000002 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.224424 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 71 components and 0.224424 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=0.106251Jy sigma=1.256340 ! Fit after self-cal, rms=0.106287Jy sigma=1.255721 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 = -0.00101468 Jy ! Component: 100 - total flux cleaned = -0.00120548 Jy ! Component: 150 - total flux cleaned = -0.00133317 Jy ! Component: 200 - total flux cleaned = -0.00143987 Jy ! Total flux subtracted in 200 components = -0.00143987 Jy ! Clean residual min=-0.002539 max=0.001772 Jy/beam ! Clean residual mean=-0.000002 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.222985 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 75 components and 0.222985 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=0.106272Jy sigma=1.254877 ! Fit after self-cal, rms=0.106275Jy sigma=1.254670 ! 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=0.106275Jy sigma=1.254670 ! Fit after self-cal, rms=0.109059Jy sigma=1.253919 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.163 mas, bmaj=2.918 mas, bpa=2.247 degrees ! Estimated noise=0.289437 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0019303 Jy ! Component: 100 - total flux cleaned = -0.00245863 Jy ! Component: 150 - total flux cleaned = -0.00254115 Jy ! Component: 200 - total flux cleaned = -0.00258354 Jy ! Total flux subtracted in 200 components = -0.00258354 Jy ! Clean residual min=-0.002125 max=0.002048 Jy/beam ! Clean residual mean=-0.000004 rms=0.000516 Jy/beam ! Combined flux in latest and established models = 0.220401 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 85 components and 0.220401 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=0.109058Jy sigma=1.253329 ! Fit after self-cal, rms=0.109103Jy sigma=1.253085 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 = -0.000597669 Jy ! Component: 100 - total flux cleaned = -0.000621225 Jy ! Component: 150 - total flux cleaned = -0.000621194 Jy ! Component: 200 - total flux cleaned = -0.000621316 Jy ! Total flux subtracted in 200 components = -0.000621316 Jy ! Clean residual min=-0.001970 max=0.001962 Jy/beam ! Clean residual mean=-0.000004 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.21978 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 89 components and 0.21978 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=0.109099Jy sigma=1.252792 ! Fit after self-cal, rms=0.109111Jy sigma=1.252721 ! 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=0.9752 mas, bmaj=1.66 mas, bpa=-0.3251 degrees ! Estimated noise=0.251322 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9752 x 1.66 at -0.3251 degrees (North through East) ! Clean map min=-0.0019071 max=0.18585 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=0.7587 mas, bmaj=1.363 mas, bpa=-1.02 degrees ! Estimated noise=0.508891 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.146931 Jy ! Component: 100 - total flux cleaned = 0.181596 Jy ! Component: 150 - total flux cleaned = 0.194829 Jy ! Component: 200 - total flux cleaned = 0.202118 Jy ! Total flux subtracted in 200 components = 0.202118 Jy ! Clean residual min=-0.003726 max=0.004563 Jy/beam ! Clean residual mean=-0.000001 rms=0.000811 Jy/beam ! Combined flux in latest and established models = 0.202118 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.202118 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9752 mas, bmaj=1.66 mas, bpa=-0.3251 degrees ! Estimated noise=0.251322 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0.4, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00637166 Jy ! Component: 100 - total flux cleaned = 0.0102903 Jy ! Component: 150 - total flux cleaned = 0.0128954 Jy ! Component: 200 - total flux cleaned = 0.0147137 Jy ! Total flux subtracted in 200 components = 0.0147137 Jy ! Clean residual min=-0.002256 max=0.001737 Jy/beam ! Clean residual mean=-0.000004 rms=0.000428 Jy/beam ! Combined flux in latest and established models = 0.216831 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 42 components and 0.216831 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=2.163 mas, bmaj=2.918 mas, bpa=2.247 degrees ! Estimated noise=0.289437 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00170215 Jy ! Component: 100 - total flux cleaned = 0.00256305 Jy ! Component: 150 - total flux cleaned = 0.00281594 Jy ! Component: 200 - total flux cleaned = 0.00302069 Jy ! Total flux subtracted in 200 components = 0.00302069 Jy ! Clean residual min=-0.001831 max=0.001848 Jy/beam ! Clean residual mean=-0.000005 rms=0.000478 Jy/beam ! Combined flux in latest and established models = 0.219852 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 = 0.000153801 Jy ! Component: 100 - total flux cleaned = 0.000270994 Jy ! Component: 150 - total flux cleaned = 0.000359457 Jy ! Component: 200 - total flux cleaned = 0.000426525 Jy ! Total flux subtracted in 200 components = 0.000426525 Jy ! Clean residual min=-0.001807 max=0.001885 Jy/beam ! Clean residual mean=-0.000004 rms=0.000474 Jy/beam ! Combined flux in latest and established models = 0.220279 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 66 components and 0.220279 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9752 mas, bmaj=1.66 mas, bpa=-0.3251 degrees ! Estimated noise=0.251322 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.96988e-06 Jy ! Component: 100 - total flux cleaned = -8.73105e-06 Jy ! Component: 150 - total flux cleaned = 5.41192e-05 Jy ! Component: 200 - total flux cleaned = 8.4297e-05 Jy ! Total flux subtracted in 200 components = 8.4297e-05 Jy ! Clean residual min=-0.002315 max=0.001667 Jy/beam ! Clean residual mean=-0.000002 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.220363 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 80 components and 0.220363 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=0.109211Jy sigma=1.252305 ! Fit after self-cal, rms=0.109129Jy sigma=1.251727 wmodel J1819+3845_X_map.mod ! Writing 80 model components to file: J1819+3845_X_map.mod wobs J1819+3845_X_uvs.fits ! Writing UV FITS file: J1819+3845_X_uvs.fits wwins J1819+3845_X_map.win ! wwins: Wrote 4 windows to J1819+3845_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 = -0.000491775 Jy ! Component: 100 - total flux cleaned = -0.000673032 Jy ! Component: 150 - total flux cleaned = -0.000931972 Jy ! Component: 200 - total flux cleaned = -0.0010146 Jy ! Component: 250 - total flux cleaned = -0.0012007 Jy ! Component: 300 - total flux cleaned = -0.0012781 Jy ! Component: 350 - total flux cleaned = -0.00135424 Jy ! Component: 400 - total flux cleaned = -0.00142806 Jy ! Component: 450 - total flux cleaned = -0.00157281 Jy ! Component: 500 - total flux cleaned = -0.00169181 Jy ! Component: 550 - total flux cleaned = -0.00180888 Jy ! Component: 600 - total flux cleaned = -0.00199323 Jy ! Component: 650 - total flux cleaned = -0.00212927 Jy ! Component: 700 - total flux cleaned = -0.00233033 Jy ! Component: 750 - total flux cleaned = -0.00246226 Jy ! Component: 800 - total flux cleaned = -0.00267935 Jy ! Component: 850 - total flux cleaned = -0.00282919 Jy ! Component: 900 - total flux cleaned = -0.00297695 Jy ! Component: 950 - total flux cleaned = -0.00312329 Jy ! Component: 1000 - total flux cleaned = -0.00326776 Jy ! Component: 1050 - total flux cleaned = -0.0034717 Jy ! Component: 1100 - total flux cleaned = -0.00357252 Jy ! Component: 1150 - total flux cleaned = -0.00373248 Jy ! Component: 1200 - total flux cleaned = -0.00387073 Jy ! Component: 1250 - total flux cleaned = -0.00402679 Jy ! Component: 1300 - total flux cleaned = -0.00418143 Jy ! Component: 1350 - total flux cleaned = -0.00423888 Jy ! Component: 1400 - total flux cleaned = -0.004353 Jy ! Component: 1450 - total flux cleaned = -0.00450365 Jy ! Component: 1500 - total flux cleaned = -0.00465291 Jy ! Component: 1550 - total flux cleaned = -0.00483762 Jy ! Component: 1600 - total flux cleaned = -0.00489224 Jy ! Component: 1650 - total flux cleaned = -0.00501948 Jy ! Component: 1700 - total flux cleaned = -0.00519976 Jy ! Component: 1750 - total flux cleaned = -0.00530702 Jy ! Component: 1800 - total flux cleaned = -0.00539547 Jy ! Component: 1850 - total flux cleaned = -0.00553634 Jy ! Component: 1900 - total flux cleaned = -0.00560621 Jy ! Component: 1950 - total flux cleaned = -0.00571038 Jy ! Component: 2000 - total flux cleaned = -0.00574478 Jy ! Component: 2050 - total flux cleaned = -0.00588185 Jy ! Component: 2100 - total flux cleaned = -0.0058648 Jy ! Component: 2150 - total flux cleaned = -0.00594935 Jy ! Component: 2200 - total flux cleaned = -0.00601658 Jy ! Component: 2250 - total flux cleaned = -0.00609999 Jy ! Component: 2300 - total flux cleaned = -0.00618252 Jy ! Component: 2350 - total flux cleaned = -0.00614966 Jy ! Component: 2400 - total flux cleaned = -0.00623134 Jy ! Component: 2450 - total flux cleaned = -0.00631254 Jy ! Component: 2500 - total flux cleaned = -0.00634489 Jy ! Component: 2550 - total flux cleaned = -0.00636091 Jy ! Component: 2600 - total flux cleaned = -0.00648837 Jy ! Component: 2650 - total flux cleaned = -0.00655163 Jy ! Component: 2700 - total flux cleaned = -0.00653591 Jy ! Component: 2750 - total flux cleaned = -0.00662971 Jy ! Component: 2800 - total flux cleaned = -0.00667639 Jy ! Component: 2850 - total flux cleaned = -0.00675352 Jy ! Component: 2900 - total flux cleaned = -0.00684568 Jy ! Component: 2950 - total flux cleaned = -0.00686101 Jy ! Component: 3000 - total flux cleaned = -0.00689152 Jy ! Component: 3050 - total flux cleaned = -0.0069217 Jy ! Component: 3100 - total flux cleaned = -0.00692163 Jy ! Component: 3150 - total flux cleaned = -0.0070261 Jy ! Component: 3200 - total flux cleaned = -0.00708533 Jy ! Component: 3250 - total flux cleaned = -0.00715916 Jy ! Component: 3300 - total flux cleaned = -0.00721793 Jy ! Component: 3350 - total flux cleaned = -0.00724714 Jy ! Component: 3400 - total flux cleaned = -0.0072617 Jy ! Component: 3450 - total flux cleaned = -0.00742053 Jy ! Component: 3500 - total flux cleaned = -0.00747797 Jy ! Component: 3550 - total flux cleaned = -0.00752084 Jy ! Component: 3600 - total flux cleaned = -0.00753512 Jy ! Component: 3650 - total flux cleaned = -0.00754932 Jy ! Component: 3700 - total flux cleaned = -0.00759133 Jy ! Component: 3750 - total flux cleaned = -0.00766128 Jy ! Component: 3800 - total flux cleaned = -0.00764742 Jy ! Component: 3850 - total flux cleaned = -0.00770277 Jy ! Component: 3900 - total flux cleaned = -0.00774407 Jy ! Component: 3950 - total flux cleaned = -0.00775774 Jy ! Component: 4000 - total flux cleaned = -0.00777146 Jy ! Component: 4050 - total flux cleaned = -0.00782577 Jy ! Total flux subtracted in 4096 components = -0.0077988 Jy ! Clean residual min=-0.000758 max=0.000674 Jy/beam ! Clean residual mean=-0.000000 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.212564 Jy keep ! Adding 290 model components to the UV plane model. ! The established model now contains 370 components and 0.212564 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1819+3845_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9752 x 1.66 at -0.3251 degrees (North through East) ! Clean map min=-0.0016574 max=0.18795 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1819+3845_X_map.fits wmodel /vlbi/uf001/uva//J1819+3845_X_map.mod ! Writing 370 model components to file: /vlbi/uf001/uva//J1819+3845_X_map.mod wobs /vlbi/uf001/uva//J1819+3845_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1819+3845_X_uvs.fits wwins /vlbi/uf001/uva//J1819+3845_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1819+3845_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.187953 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000228709 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.365053 0.365053 0.730106 1.46021 2.92042 5.84085 11.6817 23.3634 46.7268 93.4536 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.187 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 821.798 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1819+3845_X_dfm.log closed on Mon Jan 14 04:34:42 2019