! Started logfile: /vlbi/uf001/uva//J0257+1847_X_dfm.log on Sun Jan 13 21:35:28 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//J0257+1847_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0257+1847_X_uva.fits ! AN table 1: 29 integrations on 36 of 36 possible baselines. ! AN table 2: 58 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.984355 visibilities/baseline/integration-bin. ! Found source: J0257+1847 ! ! 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 36996 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 J0257+1847_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 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 12 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.013393Jy sigma=24.167890 ! Fit after self-cal, rms=0.861900Jy sigma=20.561122 ! 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=0.6511 mas, bmaj=1.584 mas, bpa=-3.723 degrees ! Estimated noise=0.307169 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 = 0.107064 Jy ! Component: 100 - total flux cleaned = 0.130532 Jy ! Total flux subtracted in 100 components = 0.130532 Jy ! Clean residual min=-0.004368 max=0.007387 Jy/beam ! Clean residual mean=-0.000003 rms=0.000853 Jy/beam ! Combined flux in latest and established models = 0.130532 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.130532 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=0.055705Jy sigma=1.266487 ! Fit after self-cal, rms=0.055699Jy sigma=1.266359 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00738567 Jy ! Component: 100 - total flux cleaned = 0.0106311 Jy ! Total flux subtracted in 100 components = 0.0106311 Jy ! Clean residual min=-0.004014 max=0.004414 Jy/beam ! Clean residual mean=-0.000002 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 0.141163 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 7 components and 0.141163 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=0.054619Jy sigma=1.239683 ! Fit after self-cal, rms=0.054621Jy sigma=1.239622 ! 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=0.8208 mas, bmaj=1.848 mas, bpa=-2.748 degrees ! Estimated noise=0.158968 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, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00471388 Jy ! Component: 100 - total flux cleaned = 0.00708479 Jy ! Component: 150 - total flux cleaned = 0.00833413 Jy ! Component: 200 - total flux cleaned = 0.00935531 Jy ! Total flux subtracted in 200 components = 0.00935531 Jy ! Clean residual min=-0.003975 max=0.004194 Jy/beam ! Clean residual mean=-0.000002 rms=0.000667 Jy/beam ! Combined flux in latest and established models = 0.150519 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 29 components and 0.150519 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=0.054193Jy sigma=1.227475 ! Fit after self-cal, rms=0.054143Jy sigma=1.226474 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8208 x 1.848 at -2.748 degrees (North through East) ! Clean map min=-0.0036324 max=0.13857 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.92 LA 1.00 ! MK 1.01 NL 1.11 OV 0.89 PT 0.94 ! SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 HN 0.96 KP 1.05 LA 1.00 ! MK 1.04 NL 1.10 OV 0.89 PT 0.96 ! SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.96 HN 0.91 LA 1.00 ! MK 0.97 NL 1.09 OV 0.92 PT 0.95 ! SC 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 HN 0.98 KP 1.04 LA 1.00 ! MK 1.06 NL 1.09 OV 0.89 PT 0.94 ! SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.97 HN 0.94 LA 1.01 ! MK 0.97 NL 1.09 OV 0.94 PT 0.91 ! SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 HN 0.95 KP 1.03 LA 1.00 ! MK 1.03 NL 1.10 OV 0.91 PT 0.95 ! SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.98 HN 0.94 LA 0.99 ! MK 1.02 NL 1.12 OV 0.93 PT 0.90 ! SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 HN 0.97 KP 1.03 LA 1.01 ! MK 1.03 NL 1.10 OV 0.91 PT 0.94 ! SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.92 LA 1.00 ! MK 1.01 NL 1.08 OV 0.92 PT 0.94 ! SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 HN 1.01 KP 1.04 LA 1.01 ! MK 1.04 NL 1.10 OV 0.91 PT 0.95 ! SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.98 HN 0.96 LA 1.00 ! MK 1.04 NL 1.10 OV 0.89 PT 0.94 ! SC 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 HN 0.96 KP 1.03 LA 1.01 ! MK 1.04 NL 1.11 OV 0.90 PT 0.97 ! SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 0.94 LA 0.99 ! MK 0.99 NL 1.10 OV 0.93 PT 0.89 ! SC 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 HN 0.97 KP 1.05 LA 1.01 ! MK 1.02 NL 1.10 OV 0.90 PT 0.95 ! SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.95 HN 0.91 LA 1.01 ! MK 1.01 NL 1.09 OV 0.91 PT 0.92 ! SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 HN 0.98 KP 1.05 LA 1.01 ! MK 1.04 NL 1.10 OV 0.90 PT 0.95 ! SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 0.93 LA 1.01 ! MK 0.99 NL 1.09 OV 0.92 PT 0.98 ! SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 HN 0.94 KP 1.05 LA 1.02 ! MK 1.05 NL 1.10 OV 0.91 PT 0.95 ! SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.90 LA 1.01 ! MK 1.01 NL 1.10 OV 0.93 PT 0.94 ! SC 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 HN 0.95 KP 1.04 LA 0.99 ! MK 1.04 NL 1.10 OV 0.93 PT 0.95 ! SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.98 HN 0.98 LA 1.00 ! MK 1.00 NL 1.10 OV 0.91 PT 0.94 ! SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 HN 0.95 KP 1.05 LA 1.01 ! MK 1.05 NL 1.09 OV 0.89 PT 0.96 ! SC 1.02 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HN 0.91 LA 1.00 ! MK 0.99 NL 1.13 OV 0.89 PT 0.94 ! SC 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 HN 0.99 KP 1.01 LA 1.00 ! MK 1.06 NL 1.11 OV 0.90 PT 0.95 ! SC 0.97 ! ! ! Fit before self-cal, rms=0.054143Jy sigma=1.226474 ! Fit after self-cal, rms=0.052509Jy sigma=1.193103 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8234 mas, bmaj=1.857 mas, bpa=-2.623 degrees ! Estimated noise=0.158359 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 = -0.00173189 Jy ! Component: 100 - total flux cleaned = -0.00261596 Jy ! Component: 150 - total flux cleaned = -0.00293976 Jy ! Component: 200 - total flux cleaned = -0.00309307 Jy ! Total flux subtracted in 200 components = -0.00309307 Jy ! Clean residual min=-0.001015 max=0.001064 Jy/beam ! Clean residual mean=-0.000000 rms=0.000239 Jy/beam ! Combined flux in latest and established models = 0.147426 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 42 components and 0.147426 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=0.052450Jy sigma=1.191653 ! Fit after self-cal, rms=0.052482Jy sigma=1.191307 ! 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=0.052482Jy sigma=1.191307 ! Fit after self-cal, rms=0.052404Jy sigma=1.189204 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8233 mas, bmaj=1.858 mas, bpa=-2.569 degrees ! Estimated noise=0.158333 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000940168 Jy ! Component: 100 - total flux cleaned = -0.00132963 Jy ! Component: 150 - total flux cleaned = -0.00148699 Jy ! Component: 200 - total flux cleaned = -0.00160217 Jy ! Total flux subtracted in 200 components = -0.00160217 Jy ! Clean residual min=-0.000826 max=0.000869 Jy/beam ! Clean residual mean=-0.000000 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.145823 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 50 components and 0.145823 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=0.052383Jy sigma=1.188734 ! Fit after self-cal, rms=0.052385Jy sigma=1.188690 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 (-35.4, -42.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000508475 Jy ! Component: 100 - total flux cleaned = 0.000441949 Jy ! Component: 150 - total flux cleaned = 0.000304727 Jy ! Component: 200 - total flux cleaned = 0.000198319 Jy ! Total flux subtracted in 200 components = 0.000198319 Jy ! Clean residual min=-0.000821 max=0.000785 Jy/beam ! Clean residual mean=-0.000000 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.146022 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 59 components and 0.146022 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=0.052371Jy sigma=1.188379 ! Fit after self-cal, rms=0.052370Jy sigma=1.188351 ! 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=0.052370Jy sigma=1.188351 ! Fit after self-cal, rms=0.052353Jy sigma=1.187859 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8228 mas, bmaj=1.859 mas, bpa=-2.537 degrees ! Estimated noise=0.158297 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000482977 Jy ! Component: 100 - total flux cleaned = -0.00062282 Jy ! Component: 150 - total flux cleaned = -0.000739455 Jy ! Component: 200 - total flux cleaned = -0.000796985 Jy ! Total flux subtracted in 200 components = -0.000796985 Jy ! Clean residual min=-0.000823 max=0.000787 Jy/beam ! Clean residual mean=-0.000000 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.145225 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 67 components and 0.145225 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=0.052343Jy sigma=1.187652 ! Fit after self-cal, rms=0.052344Jy sigma=1.187635 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 = -0.000178678 Jy ! Component: 100 - total flux cleaned = -0.000240964 Jy ! Component: 150 - total flux cleaned = -0.000279579 Jy ! Component: 200 - total flux cleaned = -0.000334107 Jy ! Total flux subtracted in 200 components = -0.000334107 Jy ! Clean residual min=-0.000798 max=0.000784 Jy/beam ! Clean residual mean=-0.000000 rms=0.000175 Jy/beam ! Combined flux in latest and established models = 0.144891 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 74 components and 0.144891 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=0.052341Jy sigma=1.187556 ! Fit after self-cal, rms=0.052340Jy sigma=1.187554 ! Inverting map ! Added new window around map position (-31.8, 39.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000492362 Jy ! Component: 100 - total flux cleaned = 0.000589354 Jy ! Component: 150 - total flux cleaned = 0.000579682 Jy ! Component: 200 - total flux cleaned = 0.000570323 Jy ! Total flux subtracted in 200 components = 0.000570323 Jy ! Clean residual min=-0.000746 max=0.000681 Jy/beam ! Clean residual mean=-0.000000 rms=0.000168 Jy/beam ! Combined flux in latest and established models = 0.145461 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 93 components and 0.145461 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=0.052332Jy sigma=1.187305 ! Fit after self-cal, rms=0.052331Jy sigma=1.187290 ! 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=0.052331Jy sigma=1.187290 ! Fit after self-cal, rms=0.052312Jy sigma=1.187211 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.954 mas, bmaj=2.869 mas, bpa=-3.216 degrees ! Estimated noise=0.205539 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.42953e-05 Jy ! Component: 100 - total flux cleaned = -0.000144812 Jy ! Component: 150 - total flux cleaned = -0.000205704 Jy ! Component: 200 - total flux cleaned = -0.000248009 Jy ! Total flux subtracted in 200 components = -0.000248009 Jy ! Clean residual min=-0.001002 max=0.000839 Jy/beam ! Clean residual mean=-0.000001 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.145213 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 109 components and 0.145213 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=0.052310Jy sigma=1.187151 ! Fit after self-cal, rms=0.052310Jy sigma=1.187132 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 = -4.00383e-05 Jy ! Component: 100 - total flux cleaned = -7.13054e-05 Jy ! Component: 150 - total flux cleaned = -9.15717e-05 Jy ! Component: 200 - total flux cleaned = -0.000121499 Jy ! Total flux subtracted in 200 components = -0.000121499 Jy ! Clean residual min=-0.000973 max=0.000825 Jy/beam ! Clean residual mean=-0.000001 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.145091 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 113 components and 0.145091 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=0.052310Jy sigma=1.187123 ! Fit after self-cal, rms=0.052310Jy sigma=1.187121 ! 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=0.8224 mas, bmaj=1.859 mas, bpa=-2.509 degrees ! Estimated noise=0.158274 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8224 x 1.859 at -2.509 degrees (North through East) ! Clean map min=-0.00074498 max=0.13818 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=0.6509 mas, bmaj=1.588 mas, bpa=-3.401 degrees ! Estimated noise=0.306715 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.106878 Jy ! Component: 100 - total flux cleaned = 0.130212 Jy ! Component: 150 - total flux cleaned = 0.137036 Jy ! Component: 200 - total flux cleaned = 0.140025 Jy ! Total flux subtracted in 200 components = 0.140025 Jy ! Clean residual min=-0.001814 max=0.001608 Jy/beam ! Clean residual mean=-0.000001 rms=0.000397 Jy/beam ! Combined flux in latest and established models = 0.140025 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.140025 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8224 mas, bmaj=1.859 mas, bpa=-2.509 degrees ! Estimated noise=0.158274 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 = 0.00210757 Jy ! Component: 100 - total flux cleaned = 0.0033061 Jy ! Component: 150 - total flux cleaned = 0.00395193 Jy ! Component: 200 - total flux cleaned = 0.0041229 Jy ! Total flux subtracted in 200 components = 0.0041229 Jy ! Clean residual min=-0.000805 max=0.000700 Jy/beam ! Clean residual mean=-0.000000 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.144148 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 26 components and 0.144148 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=1.954 mas, bmaj=2.869 mas, bpa=-3.216 degrees ! Estimated noise=0.205539 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000506418 Jy ! Component: 100 - total flux cleaned = 0.000595719 Jy ! Component: 150 - total flux cleaned = 0.000612316 Jy ! Component: 200 - total flux cleaned = 0.000640749 Jy ! Total flux subtracted in 200 components = 0.000640749 Jy ! Clean residual min=-0.000951 max=0.000809 Jy/beam ! Clean residual mean=-0.000001 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.144789 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 = 4.68431e-05 Jy ! Component: 100 - total flux cleaned = 4.64924e-05 Jy ! Component: 150 - total flux cleaned = 2.87387e-05 Jy ! Component: 200 - total flux cleaned = 3.73482e-05 Jy ! Total flux subtracted in 200 components = 3.73482e-05 Jy ! Clean residual min=-0.000960 max=0.000821 Jy/beam ! Clean residual mean=-0.000001 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.144826 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 58 components and 0.144826 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8224 mas, bmaj=1.859 mas, bpa=-2.509 degrees ! Estimated noise=0.158274 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.47376e-05 Jy ! Component: 100 - total flux cleaned = 0.000100381 Jy ! Component: 150 - total flux cleaned = 0.000157616 Jy ! Component: 200 - total flux cleaned = 0.000222137 Jy ! Total flux subtracted in 200 components = 0.000222137 Jy ! Clean residual min=-0.000751 max=0.000688 Jy/beam ! Clean residual mean=-0.000000 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.145048 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 75 components and 0.145048 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=0.052313Jy sigma=1.187212 ! Fit after self-cal, rms=0.052312Jy sigma=1.187171 wmodel J0257+1847_X_map.mod ! Writing 75 model components to file: J0257+1847_X_map.mod wobs J0257+1847_X_uvs.fits ! Writing UV FITS file: J0257+1847_X_uvs.fits wwins J0257+1847_X_map.win ! wwins: Wrote 4 windows to J0257+1847_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 = -3.93833e-05 Jy ! Component: 100 - total flux cleaned = -0.000126713 Jy ! Component: 150 - total flux cleaned = -0.000234119 Jy ! Component: 200 - total flux cleaned = -0.000291427 Jy ! Component: 250 - total flux cleaned = -0.00031353 Jy ! Component: 300 - total flux cleaned = -0.000356475 Jy ! Component: 350 - total flux cleaned = -0.000429652 Jy ! Component: 400 - total flux cleaned = -0.000480764 Jy ! Component: 450 - total flux cleaned = -0.00050073 Jy ! Component: 500 - total flux cleaned = -0.0005105 Jy ! Component: 550 - total flux cleaned = -0.000500824 Jy ! Component: 600 - total flux cleaned = -0.000520047 Jy ! Component: 650 - total flux cleaned = -0.000520061 Jy ! Component: 700 - total flux cleaned = -0.000557143 Jy ! Component: 750 - total flux cleaned = -0.000556835 Jy ! Component: 800 - total flux cleaned = -0.000556715 Jy ! Component: 850 - total flux cleaned = -0.000565623 Jy ! Component: 900 - total flux cleaned = -0.000591982 Jy ! Component: 950 - total flux cleaned = -0.000618053 Jy ! Component: 1000 - total flux cleaned = -0.000609304 Jy ! Component: 1050 - total flux cleaned = -0.000617888 Jy ! Component: 1100 - total flux cleaned = -0.000634906 Jy ! Component: 1150 - total flux cleaned = -0.000643308 Jy ! Component: 1200 - total flux cleaned = -0.000676403 Jy ! Component: 1250 - total flux cleaned = -0.000692747 Jy ! Component: 1300 - total flux cleaned = -0.000700744 Jy ! Component: 1350 - total flux cleaned = -0.000700741 Jy ! Component: 1400 - total flux cleaned = -0.000724714 Jy ! Component: 1450 - total flux cleaned = -0.000724576 Jy ! Component: 1500 - total flux cleaned = -0.000724678 Jy ! Component: 1550 - total flux cleaned = -0.000732544 Jy ! Component: 1600 - total flux cleaned = -0.000778943 Jy ! Component: 1650 - total flux cleaned = -0.000786493 Jy ! Component: 1700 - total flux cleaned = -0.000801738 Jy ! Component: 1750 - total flux cleaned = -0.000786654 Jy ! Component: 1800 - total flux cleaned = -0.00082412 Jy ! Component: 1850 - total flux cleaned = -0.00080189 Jy ! Component: 1900 - total flux cleaned = -0.000824042 Jy ! Component: 1950 - total flux cleaned = -0.000824028 Jy ! Component: 2000 - total flux cleaned = -0.000853147 Jy ! Component: 2050 - total flux cleaned = -0.000838647 Jy ! Component: 2100 - total flux cleaned = -0.000860108 Jy ! Component: 2150 - total flux cleaned = -0.000853097 Jy ! Component: 2200 - total flux cleaned = -0.000874304 Jy ! Component: 2250 - total flux cleaned = -0.000881296 Jy ! Component: 2300 - total flux cleaned = -0.000888251 Jy ! Component: 2350 - total flux cleaned = -0.000909018 Jy ! Component: 2400 - total flux cleaned = -0.000922801 Jy ! Component: 2450 - total flux cleaned = -0.000922856 Jy ! Component: 2500 - total flux cleaned = -0.000943179 Jy ! Component: 2550 - total flux cleaned = -0.00096343 Jy ! Component: 2600 - total flux cleaned = -0.000950019 Jy ! Component: 2650 - total flux cleaned = -0.000956875 Jy ! Component: 2700 - total flux cleaned = -0.000996729 Jy ! Component: 2750 - total flux cleaned = -0.00102301 Jy ! Component: 2800 - total flux cleaned = -0.00104919 Jy ! Component: 2850 - total flux cleaned = -0.00105561 Jy ! Component: 2900 - total flux cleaned = -0.00106208 Jy ! Component: 2950 - total flux cleaned = -0.00106206 Jy ! Component: 3000 - total flux cleaned = -0.00110036 Jy ! Component: 3050 - total flux cleaned = -0.00108772 Jy ! Component: 3100 - total flux cleaned = -0.00111928 Jy ! Component: 3150 - total flux cleaned = -0.00110676 Jy ! Component: 3200 - total flux cleaned = -0.0011629 Jy ! Component: 3250 - total flux cleaned = -0.00113192 Jy ! Component: 3300 - total flux cleaned = -0.00116279 Jy ! Component: 3350 - total flux cleaned = -0.00119344 Jy ! Component: 3400 - total flux cleaned = -0.00122392 Jy ! Component: 3450 - total flux cleaned = -0.00122995 Jy ! Component: 3500 - total flux cleaned = -0.00125412 Jy ! Component: 3550 - total flux cleaned = -0.00127809 Jy ! Component: 3600 - total flux cleaned = -0.00129008 Jy ! Component: 3650 - total flux cleaned = -0.00130192 Jy ! Component: 3700 - total flux cleaned = -0.00132556 Jy ! Component: 3750 - total flux cleaned = -0.00133735 Jy ! Component: 3800 - total flux cleaned = -0.00136079 Jy ! Component: 3850 - total flux cleaned = -0.00138994 Jy ! Component: 3900 - total flux cleaned = -0.00141314 Jy ! Component: 3950 - total flux cleaned = -0.001442 Jy ! Component: 4000 - total flux cleaned = -0.00144775 Jy ! Component: 4050 - total flux cleaned = -0.00148766 Jy ! Total flux subtracted in 4096 components = -0.00149906 Jy ! Clean residual min=-0.000342 max=0.000363 Jy/beam ! Clean residual mean=-0.000000 rms=0.000098 Jy/beam ! Combined flux in latest and established models = 0.143549 Jy keep ! Adding 315 model components to the UV plane model. ! The established model now contains 390 components and 0.143549 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0257+1847_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8224 x 1.859 at -2.509 degrees (North through East) ! Clean map min=-0.00056108 max=0.13832 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0257+1847_X_map.fits wmodel /vlbi/uf001/uva//J0257+1847_X_map.mod ! Writing 390 model components to file: /vlbi/uf001/uva//J0257+1847_X_map.mod wobs /vlbi/uf001/uva//J0257+1847_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0257+1847_X_uvs.fits wwins /vlbi/uf001/uva//J0257+1847_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J0257+1847_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.138324 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 9.81957e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.212969 0.212969 0.425938 0.851877 1.70375 3.40751 6.81501 13.63 27.2601 54.5201 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.138 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1408.65 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0257+1847_X_dfm.log closed on Sun Jan 13 21:35:33 2019