! Started logfile: /vlbi/uf001/uva//J1628+3933_X_dfm.log on Mon Jan 14 03:42:23 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//J1628+3933_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1628+3933_X_uva.fits ! AN table 1: 57 integrations on 21 of 21 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1628+3933 ! ! 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 14364 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 J1628+3933_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. ! ! 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=1.003465Jy sigma=23.845158 ! Fit after self-cal, rms=0.963976Jy sigma=22.955287 ! 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=0.5899 mas, bmaj=1.186 mas, bpa=-6.104 degrees ! Estimated noise=0.494174 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 = 0.0261931 Jy ! Component: 100 - total flux cleaned = 0.0327865 Jy ! Total flux subtracted in 100 components = 0.0327865 Jy ! Clean residual min=-0.003969 max=0.004611 Jy/beam ! Clean residual mean=-0.000002 rms=0.000908 Jy/beam ! Combined flux in latest and established models = 0.0327865 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0327865 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=0.064761Jy sigma=1.399899 ! Fit after self-cal, rms=0.063494Jy sigma=1.365681 ! 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=0.7391 mas, bmaj=1.43 mas, bpa=-5.197 degrees ! Estimated noise=0.255143 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 = 0.00739362 Jy ! Component: 100 - total flux cleaned = 0.0107541 Jy ! Component: 150 - total flux cleaned = 0.0123613 Jy ! Component: 200 - total flux cleaned = 0.0129441 Jy ! Total flux subtracted in 200 components = 0.0129441 Jy ! Clean residual min=-0.004698 max=0.005752 Jy/beam ! Clean residual mean=-0.000004 rms=0.001121 Jy/beam ! Combined flux in latest and established models = 0.0457307 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 11 components and 0.0457307 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=0.062583Jy sigma=1.348517 ! Fit after self-cal, rms=0.062492Jy sigma=1.346327 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7391 x 1.43 at -5.197 degrees (North through East) ! Clean map min=-0.0045915 max=0.039329 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 HN 1.21 LA 0.70 MK 1.33 ! NL 1.85 PT 0.96 SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.13 LA 0.67 MK 1.19 ! NL 1.70 PT 1.06 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 HN 1.11 LA 0.69 MK 1.28 ! NL 1.59 PT 0.96 SC 1.14 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.07 LA 0.71 MK 1.19 ! NL 1.59 PT 1.03 SC 1.09 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 HN 1.12 LA 0.66 MK 1.12 ! NL 1.63 PT 0.98 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 HN 1.16 LA 0.68 MK 1.12 ! NL 1.64 PT 1.00 SC 1.06 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.80 HN 1.14 LA 0.61 MK 1.24 ! NL 1.64 PT 1.05 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 HN 0.99 LA 0.68 MK 1.06 ! NL 1.70 PT 1.01 SC 1.09 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 0.92 LA 0.62 MK 1.19 ! NL 1.47 PT 1.04 SC 1.12 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.75 HN 0.91 LA 0.61 MK 1.08 ! NL 1.63 PT 1.13 SC 1.07 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.79 HN 0.94 LA 0.60 MK 0.98 ! NL 1.89 PT 1.10 SC 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.79 HN 0.92 LA 0.59 MK 1.00 ! NL 1.51 PT 1.14 SC 0.95 ! ! ! Fit before self-cal, rms=0.062492Jy sigma=1.346327 ! Fit after self-cal, rms=0.062680Jy sigma=1.300110 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7673 mas, bmaj=1.458 mas, bpa=-3.397 degrees ! Estimated noise=0.257998 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 (-6.2, 3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00270374 Jy ! Component: 100 - total flux cleaned = 0.0029897 Jy ! Component: 150 - total flux cleaned = 0.00287258 Jy ! Component: 200 - total flux cleaned = 0.0029434 Jy ! Total flux subtracted in 200 components = 0.0029434 Jy ! Clean residual min=-0.002047 max=0.002416 Jy/beam ! Clean residual mean=-0.000000 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.0486741 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 29 components and 0.0486741 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=0.062555Jy sigma=1.296512 ! Fit after self-cal, rms=0.063984Jy sigma=1.279243 ! 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=0.063984Jy sigma=1.279243 ! Fit after self-cal, rms=0.071415Jy sigma=1.266485 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7859 mas, bmaj=1.47 mas, bpa=-3.249 degrees ! Estimated noise=0.263911 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000895977 Jy ! Component: 100 - total flux cleaned = 0.00108855 Jy ! Component: 150 - total flux cleaned = 0.00109142 Jy ! Component: 200 - total flux cleaned = 0.00109286 Jy ! Total flux subtracted in 200 components = 0.00109286 Jy ! Clean residual min=-0.001738 max=0.001633 Jy/beam ! Clean residual mean=-0.000000 rms=0.000369 Jy/beam ! Combined flux in latest and established models = 0.0497669 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 38 components and 0.049767 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=0.071377Jy sigma=1.265588 ! Fit after self-cal, rms=0.072402Jy sigma=1.261248 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 = 0.000180229 Jy ! Component: 100 - total flux cleaned = 0.000369652 Jy ! Component: 150 - total flux cleaned = 0.000475731 Jy ! Component: 200 - total flux cleaned = 0.000531547 Jy ! Total flux subtracted in 200 components = 0.000531547 Jy ! Clean residual min=-0.001952 max=0.001749 Jy/beam ! Clean residual mean=0.000000 rms=0.000405 Jy/beam ! Combined flux in latest and established models = 0.0502985 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 52 components and 0.0502985 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=0.072375Jy sigma=1.261022 ! Fit after self-cal, rms=0.072370Jy sigma=1.260902 ! 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=0.072370Jy sigma=1.260902 ! Fit after self-cal, rms=0.078382Jy sigma=1.258448 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7933 mas, bmaj=1.475 mas, bpa=-2.921 degrees ! Estimated noise=0.264994 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000299501 Jy ! Component: 100 - total flux cleaned = 0.000350121 Jy ! Component: 150 - total flux cleaned = 0.000415256 Jy ! Component: 200 - total flux cleaned = 0.00043372 Jy ! Total flux subtracted in 200 components = 0.00043372 Jy ! Clean residual min=-0.001596 max=0.001606 Jy/beam ! Clean residual mean=-0.000000 rms=0.000352 Jy/beam ! Combined flux in latest and established models = 0.0507322 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 57 components and 0.0507322 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=0.078362Jy sigma=1.258085 ! Fit after self-cal, rms=0.079048Jy sigma=1.256800 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 = -0.000153611 Jy ! Component: 100 - total flux cleaned = -3.53423e-05 Jy ! Component: 150 - total flux cleaned = -5.38841e-07 Jy ! Component: 200 - total flux cleaned = 4.76111e-05 Jy ! Total flux subtracted in 200 components = 4.76111e-05 Jy ! Clean residual min=-0.001804 max=0.001683 Jy/beam ! Clean residual mean=-0.000000 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.0507798 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 62 components and 0.0507798 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=0.079030Jy sigma=1.256739 ! Fit after self-cal, rms=0.079032Jy sigma=1.256680 ! 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=0.079032Jy sigma=1.256680 ! Fit after self-cal, rms=0.086619Jy sigma=1.255570 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.821 mas, bmaj=2.327 mas, bpa=4.591 degrees ! Estimated noise=0.335523 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000254599 Jy ! Component: 100 - total flux cleaned = 0.000253705 Jy ! Component: 150 - total flux cleaned = 0.000269065 Jy ! Component: 200 - total flux cleaned = 0.000283037 Jy ! Total flux subtracted in 200 components = 0.000283037 Jy ! Clean residual min=-0.001387 max=0.001553 Jy/beam ! Clean residual mean=0.000000 rms=0.000405 Jy/beam ! Combined flux in latest and established models = 0.0510629 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 66 components and 0.0510629 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=0.086615Jy sigma=1.255492 ! Fit after self-cal, rms=0.087171Jy sigma=1.254792 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 = -4.26698e-05 Jy ! Component: 100 - total flux cleaned = -1.384e-05 Jy ! Component: 150 - total flux cleaned = -1.39586e-06 Jy ! Component: 200 - total flux cleaned = -1.21303e-05 Jy ! Total flux subtracted in 200 components = -1.21303e-05 Jy ! Clean residual min=-0.001602 max=0.001613 Jy/beam ! Clean residual mean=0.000000 rms=0.000415 Jy/beam ! Combined flux in latest and established models = 0.0510507 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 70 components and 0.0510507 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=0.087169Jy sigma=1.254839 ! Fit after self-cal, rms=0.087172Jy sigma=1.254801 ! 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=0.7993 mas, bmaj=1.479 mas, bpa=-2.541 degrees ! Estimated noise=0.265449 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7993 x 1.479 at -2.541 degrees (North through East) ! Clean map min=-0.001519 max=0.037554 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=0.6322 mas, bmaj=1.211 mas, bpa=-3.334 degrees ! Estimated noise=0.556128 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.027007 Jy ! Component: 100 - total flux cleaned = 0.0352849 Jy ! Component: 150 - total flux cleaned = 0.0401914 Jy ! Component: 200 - total flux cleaned = 0.043486 Jy ! Total flux subtracted in 200 components = 0.043486 Jy ! Clean residual min=-0.003791 max=0.003640 Jy/beam ! Clean residual mean=-0.000000 rms=0.000858 Jy/beam ! Combined flux in latest and established models = 0.0434859 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.0434859 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7993 mas, bmaj=1.479 mas, bpa=-2.541 degrees ! Estimated noise=0.265449 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 = 0.00355417 Jy ! Component: 100 - total flux cleaned = 0.00526227 Jy ! Component: 150 - total flux cleaned = 0.00587445 Jy ! Component: 200 - total flux cleaned = 0.00617764 Jy ! Total flux subtracted in 200 components = 0.00617764 Jy ! Clean residual min=-0.001826 max=0.001922 Jy/beam ! Clean residual mean=-0.000000 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.0496636 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 31 components and 0.0496636 Jy ! Inverting map ! Added new window around map position (-32, -16.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000761292 Jy ! Component: 100 - total flux cleaned = 0.000763859 Jy ! Component: 150 - total flux cleaned = 0.000877871 Jy ! Component: 200 - total flux cleaned = 0.00104553 Jy ! Total flux subtracted in 200 components = 0.00104553 Jy ! Clean residual min=-0.001722 max=0.001671 Jy/beam ! Clean residual mean=-0.000000 rms=0.000378 Jy/beam ! Combined flux in latest and established models = 0.0507091 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 40 components and 0.0507091 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=1.821 mas, bmaj=2.327 mas, bpa=4.591 degrees ! Estimated noise=0.335523 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000389026 Jy ! Component: 100 - total flux cleaned = 0.00050019 Jy ! Component: 150 - total flux cleaned = 0.000500289 Jy ! Component: 200 - total flux cleaned = 0.000484037 Jy ! Total flux subtracted in 200 components = 0.000484037 Jy ! Clean residual min=-0.001648 max=0.001732 Jy/beam ! Clean residual mean=0.000001 rms=0.000423 Jy/beam ! Combined flux in latest and established models = 0.0511932 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.51118e-05 Jy ! Component: 100 - total flux cleaned = -2.91349e-05 Jy ! Component: 150 - total flux cleaned = -5.52823e-05 Jy ! Component: 200 - total flux cleaned = -6.73596e-05 Jy ! Total flux subtracted in 200 components = -6.73596e-05 Jy ! Clean residual min=-0.001684 max=0.001718 Jy/beam ! Clean residual mean=0.000001 rms=0.000418 Jy/beam ! Combined flux in latest and established models = 0.0511258 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 60 components and 0.0511258 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7993 mas, bmaj=1.479 mas, bpa=-2.541 degrees ! Estimated noise=0.265449 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000254377 Jy ! Component: 100 - total flux cleaned = -0.000283735 Jy ! Component: 150 - total flux cleaned = -0.000309693 Jy ! Component: 200 - total flux cleaned = -0.000309864 Jy ! Total flux subtracted in 200 components = -0.000309864 Jy ! Clean residual min=-0.001794 max=0.001641 Jy/beam ! Clean residual mean=-0.000000 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.0508159 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 70 components and 0.050816 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=0.087132Jy sigma=1.254854 ! Fit after self-cal, rms=0.087142Jy sigma=1.254162 wmodel J1628+3933_X_map.mod ! Writing 70 model components to file: J1628+3933_X_map.mod wobs J1628+3933_X_uvs.fits ! Writing UV FITS file: J1628+3933_X_uvs.fits wwins J1628+3933_X_map.win ! wwins: Wrote 3 windows to J1628+3933_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 = -0.000169144 Jy ! Component: 100 - total flux cleaned = -8.70657e-05 Jy ! Component: 150 - total flux cleaned = 4.45858e-05 Jy ! Component: 200 - total flux cleaned = 6.94996e-05 Jy ! Component: 250 - total flux cleaned = 9.37181e-05 Jy ! Component: 300 - total flux cleaned = 7.02023e-05 Jy ! Component: 350 - total flux cleaned = 9.29214e-05 Jy ! Component: 400 - total flux cleaned = 0.00015844 Jy ! Component: 450 - total flux cleaned = 0.000222413 Jy ! Component: 500 - total flux cleaned = 0.000306414 Jy ! Component: 550 - total flux cleaned = 0.000327538 Jy ! Component: 600 - total flux cleaned = 0.000467914 Jy ! Component: 650 - total flux cleaned = 0.000585834 Jy ! Component: 700 - total flux cleaned = 0.000721282 Jy ! Component: 750 - total flux cleaned = 0.000797112 Jy ! Component: 800 - total flux cleaned = 0.000909512 Jy ! Component: 850 - total flux cleaned = 0.000983347 Jy ! Component: 900 - total flux cleaned = 0.00103861 Jy ! Component: 950 - total flux cleaned = 0.00118324 Jy ! Component: 1000 - total flux cleaned = 0.00114768 Jy ! Component: 1050 - total flux cleaned = 0.00127145 Jy ! Component: 1100 - total flux cleaned = 0.00125373 Jy ! Component: 1150 - total flux cleaned = 0.00128853 Jy ! Component: 1200 - total flux cleaned = 0.00128838 Jy ! Component: 1250 - total flux cleaned = 0.00125435 Jy ! Component: 1300 - total flux cleaned = 0.00123771 Jy ! Component: 1350 - total flux cleaned = 0.00127089 Jy ! Component: 1400 - total flux cleaned = 0.00125423 Jy ! Component: 1450 - total flux cleaned = 0.00133545 Jy ! Component: 1500 - total flux cleaned = 0.00123848 Jy ! Component: 1550 - total flux cleaned = 0.00125467 Jy ! Component: 1600 - total flux cleaned = 0.00131802 Jy ! Component: 1650 - total flux cleaned = 0.00130232 Jy ! Component: 1700 - total flux cleaned = 0.00130218 Jy ! Component: 1750 - total flux cleaned = 0.00125575 Jy ! Component: 1800 - total flux cleaned = 0.00124022 Jy ! Component: 1850 - total flux cleaned = 0.00120974 Jy ! Component: 1900 - total flux cleaned = 0.00113426 Jy ! Component: 1950 - total flux cleaned = 0.00116422 Jy ! Component: 2000 - total flux cleaned = 0.00114909 Jy ! Component: 2050 - total flux cleaned = 0.00111967 Jy ! Component: 2100 - total flux cleaned = 0.00101765 Jy ! Component: 2150 - total flux cleaned = 0.00106135 Jy ! Component: 2200 - total flux cleaned = 0.00100375 Jy ! Component: 2250 - total flux cleaned = 0.000961066 Jy ! Component: 2300 - total flux cleaned = 0.000918563 Jy ! Component: 2350 - total flux cleaned = 0.00087651 Jy ! Component: 2400 - total flux cleaned = 0.000876533 Jy ! Component: 2450 - total flux cleaned = 0.000807278 Jy ! Component: 2500 - total flux cleaned = 0.00082091 Jy ! Component: 2550 - total flux cleaned = 0.000766009 Jy ! Component: 2600 - total flux cleaned = 0.000766116 Jy ! Component: 2650 - total flux cleaned = 0.000725697 Jy ! Component: 2700 - total flux cleaned = 0.000659135 Jy ! Component: 2750 - total flux cleaned = 0.000698923 Jy ! Component: 2800 - total flux cleaned = 0.000685743 Jy ! Component: 2850 - total flux cleaned = 0.000685885 Jy ! Component: 2900 - total flux cleaned = 0.00068596 Jy ! Component: 2950 - total flux cleaned = 0.000673025 Jy ! Component: 3000 - total flux cleaned = 0.000673107 Jy ! Component: 3050 - total flux cleaned = 0.000685816 Jy ! Component: 3100 - total flux cleaned = 0.000647805 Jy ! Component: 3150 - total flux cleaned = 0.000609975 Jy ! Component: 3200 - total flux cleaned = 0.000572335 Jy ! Component: 3250 - total flux cleaned = 0.000572328 Jy ! Component: 3300 - total flux cleaned = 0.000572247 Jy ! Component: 3350 - total flux cleaned = 0.000535351 Jy ! Component: 3400 - total flux cleaned = 0.000547516 Jy ! Component: 3450 - total flux cleaned = 0.00048663 Jy ! Component: 3500 - total flux cleaned = 0.000535011 Jy ! Component: 3550 - total flux cleaned = 0.000486854 Jy ! Component: 3600 - total flux cleaned = 0.00047495 Jy ! Component: 3650 - total flux cleaned = 0.000486809 Jy ! Component: 3700 - total flux cleaned = 0.000474891 Jy ! Component: 3750 - total flux cleaned = 0.000498522 Jy ! Component: 3800 - total flux cleaned = 0.000498527 Jy ! Component: 3850 - total flux cleaned = 0.000498571 Jy ! Component: 3900 - total flux cleaned = 0.000510032 Jy ! Component: 3950 - total flux cleaned = 0.00054444 Jy ! Component: 4000 - total flux cleaned = 0.000521604 Jy ! Component: 4050 - total flux cleaned = 0.000510232 Jy ! Total flux subtracted in 4096 components = 0.000498884 Jy ! Clean residual min=-0.000675 max=0.000751 Jy/beam ! Clean residual mean=-0.000000 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.0513148 Jy keep ! Adding 281 model components to the UV plane model. ! The established model now contains 351 components and 0.0513148 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1628+3933_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7993 x 1.479 at -2.541 degrees (North through East) ! Clean map min=-0.0016224 max=0.036775 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1628+3933_X_map.fits wmodel /vlbi/uf001/uva//J1628+3933_X_map.mod ! Writing 351 model components to file: /vlbi/uf001/uva//J1628+3933_X_map.mod wobs /vlbi/uf001/uva//J1628+3933_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1628+3933_X_uvs.fits wwins /vlbi/uf001/uva//J1628+3933_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J1628+3933_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0367751 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000187113 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.52641 1.52641 3.05282 6.10565 12.2113 24.4226 48.8452 97.6903 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.036 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 196.539 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1628+3933_X_dfm.log closed on Mon Jan 14 03:42:28 2019