! Started logfile: /vlbi/uf001/uva//J1957+3338_X_dfm.log on Mon Jan 14 05:18:02 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//J1957+3338_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1957+3338_X_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.981609 visibilities/baseline/integration-bin. ! Found source: J1957+3338 ! ! 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 46116 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 J1957+3338_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 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 39 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.014139Jy sigma=23.972666 ! Fit after self-cal, rms=0.835775Jy sigma=19.732119 ! 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=0.7282 mas, bmaj=1.285 mas, bpa=-9.029 degrees ! Estimated noise=0.294973 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 = 0.12116 Jy ! Component: 100 - total flux cleaned = 0.153244 Jy ! Total flux subtracted in 100 components = 0.153244 Jy ! Clean residual min=-0.005386 max=0.014021 Jy/beam ! Clean residual mean=-0.000005 rms=0.001264 Jy/beam ! Combined flux in latest and established models = 0.153244 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.153244 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=0.064038Jy sigma=1.446808 ! Fit after self-cal, rms=0.064023Jy sigma=1.446367 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0156442 Jy ! Component: 100 - total flux cleaned = 0.0239551 Jy ! Total flux subtracted in 100 components = 0.0239551 Jy ! Clean residual min=-0.005034 max=0.004977 Jy/beam ! Clean residual mean=-0.000006 rms=0.000926 Jy/beam ! Combined flux in latest and established models = 0.177199 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 9 components and 0.177199 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=0.059035Jy sigma=1.322996 ! Fit after self-cal, rms=0.059015Jy sigma=1.322379 ! 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=0.9501 mas, bmaj=1.624 mas, bpa=-7.972 degrees ! Estimated noise=0.143907 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 (-1.2, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00823021 Jy ! Component: 100 - total flux cleaned = 0.0140277 Jy ! Component: 150 - total flux cleaned = 0.0183108 Jy ! Component: 200 - total flux cleaned = 0.0215148 Jy ! Total flux subtracted in 200 components = 0.0215148 Jy ! Clean residual min=-0.005375 max=0.005732 Jy/beam ! Clean residual mean=-0.000016 rms=0.000980 Jy/beam ! Combined flux in latest and established models = 0.198714 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 38 components and 0.198714 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=0.057566Jy sigma=1.285164 ! Fit after self-cal, rms=0.057488Jy sigma=1.283097 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9501 x 1.624 at -7.972 degrees (North through East) ! Clean map min=-0.0048813 max=0.16347 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 0.95 KP 1.05 ! LA 1.02 MK 1.04 NL 1.10 OV 0.92 ! PT 0.86 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.02 HN 0.96 KP 1.04 ! LA 1.00 MK 1.05 NL 1.11 OV 0.93 ! PT 0.88 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.01 HN 0.97 KP 1.04 ! LA 1.01 MK 1.06 NL 1.10 OV 0.90 ! PT 0.86 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.02 HN 0.97 KP 1.03 ! LA 1.00 MK 1.03 NL 1.10 OV 0.93 ! PT 0.87 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.01 HN 0.95 KP 1.04 ! LA 1.01 MK 1.04 NL 1.11 OV 0.91 ! PT 0.86 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.01 HN 0.95 KP 1.03 ! LA 1.02 MK 1.03 NL 1.11 OV 0.92 ! PT 0.87 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 0.97 KP 1.04 ! LA 1.00 MK 1.02 NL 1.11 OV 0.92 ! PT 0.86 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 0.96 KP 1.05 ! LA 1.02 MK 1.03 NL 1.10 OV 0.90 ! PT 0.86 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.01 HN 0.95 KP 1.03 ! LA 1.01 MK 1.03 NL 1.09 OV 0.91 ! PT 0.88 SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.00 HN 0.95 KP 1.02 ! LA 1.01 MK 1.04 NL 1.07 OV 0.91 ! PT 0.86 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 0.96 KP 1.03 ! LA 1.00 MK 1.02 NL 1.11 OV 0.89 ! PT 0.86 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.02 HN 0.95 KP 1.05 ! LA 1.00 MK 1.03 NL 1.09 OV 0.92 ! PT 0.86 SC 0.98 ! ! ! Fit before self-cal, rms=0.057488Jy sigma=1.283097 ! Fit after self-cal, rms=0.054273Jy sigma=1.213487 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9557 mas, bmaj=1.64 mas, bpa=-7.638 degrees ! Estimated noise=0.143367 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 (-18.4, 6.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000201977 Jy ! Component: 100 - total flux cleaned = 1.38608e-05 Jy ! Component: 150 - total flux cleaned = 0.000362614 Jy ! Component: 200 - total flux cleaned = 0.00060015 Jy ! Total flux subtracted in 200 components = 0.00060015 Jy ! Clean residual min=-0.001527 max=0.002147 Jy/beam ! Clean residual mean=-0.000003 rms=0.000352 Jy/beam ! Combined flux in latest and established models = 0.199314 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 67 components and 0.199314 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=0.054100Jy sigma=1.208939 ! Fit after self-cal, rms=0.054123Jy sigma=1.208186 ! Inverting map ! Added new window around map position (-14.6, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00182732 Jy ! Component: 100 - total flux cleaned = 0.00246522 Jy ! Component: 150 - total flux cleaned = 0.0029505 Jy ! Component: 200 - total flux cleaned = 0.00340696 Jy ! Total flux subtracted in 200 components = 0.00340696 Jy ! Clean residual min=-0.001397 max=0.001533 Jy/beam ! Clean residual mean=-0.000002 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.202721 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 94 components and 0.202721 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=0.054027Jy sigma=1.205781 ! Fit after self-cal, rms=0.054021Jy sigma=1.205670 ! Inverting map ! Added new window around map position (-12.2, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108567 Jy ! Component: 100 - total flux cleaned = 0.00153792 Jy ! Component: 150 - total flux cleaned = 0.00193557 Jy ! Component: 200 - total flux cleaned = 0.00226259 Jy ! Total flux subtracted in 200 components = 0.00226259 Jy ! Clean residual min=-0.001251 max=0.001437 Jy/beam ! Clean residual mean=-0.000001 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.204983 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 109 components and 0.204983 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=0.053968Jy sigma=1.204414 ! Fit after self-cal, rms=0.053966Jy sigma=1.204346 ! Inverting map ! Added new window around map position (-7.6, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105741 Jy ! Component: 100 - total flux cleaned = 0.00133778 Jy ! Component: 150 - total flux cleaned = 0.00158533 Jy ! Component: 200 - total flux cleaned = 0.00183738 Jy ! Total flux subtracted in 200 components = 0.00183738 Jy ! Clean residual min=-0.001127 max=0.001227 Jy/beam ! Clean residual mean=-0.000001 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.206821 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 125 components and 0.206821 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=0.053928Jy sigma=1.203439 ! Fit after self-cal, rms=0.053927Jy sigma=1.203411 ! 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=0.053927Jy sigma=1.203411 ! Fit after self-cal, rms=0.054144Jy sigma=1.199002 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9536 mas, bmaj=1.639 mas, bpa=-7.467 degrees ! Estimated noise=0.143503 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000860663 Jy ! Component: 100 - total flux cleaned = -0.0010482 Jy ! Component: 150 - total flux cleaned = -0.0010536 Jy ! Component: 200 - total flux cleaned = -0.000993031 Jy ! Total flux subtracted in 200 components = -0.000993031 Jy ! Clean residual min=-0.000872 max=0.000911 Jy/beam ! Clean residual mean=0.000000 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.205828 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 136 components and 0.205828 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=0.054114Jy sigma=1.198311 ! Fit after self-cal, rms=0.054119Jy sigma=1.198243 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 = -8.77388e-05 Jy ! Component: 100 - total flux cleaned = -5.12723e-05 Jy ! Component: 150 - total flux cleaned = -1.95309e-06 Jy ! Component: 200 - total flux cleaned = 4.34144e-05 Jy ! Total flux subtracted in 200 components = 4.34144e-05 Jy ! Clean residual min=-0.000858 max=0.000913 Jy/beam ! Clean residual mean=0.000000 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.205871 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 149 components and 0.205871 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=0.054109Jy sigma=1.198004 ! Fit after self-cal, rms=0.054108Jy sigma=1.197996 ! Inverting map ! Added new window around map position (19, 23). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000653631 Jy ! Component: 100 - total flux cleaned = 0.000637502 Jy ! Component: 150 - total flux cleaned = 0.000590076 Jy ! Component: 200 - total flux cleaned = 0.000574841 Jy ! Total flux subtracted in 200 components = 0.000574841 Jy ! Clean residual min=-0.000842 max=0.000727 Jy/beam ! Clean residual mean=-0.000000 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.206446 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 161 components and 0.206446 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=0.054094Jy sigma=1.197663 ! Fit after self-cal, rms=0.054094Jy sigma=1.197644 ! 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=0.054094Jy sigma=1.197644 ! Fit after self-cal, rms=0.054154Jy sigma=1.197464 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9525 mas, bmaj=1.638 mas, bpa=-7.411 degrees ! Estimated noise=0.143512 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000359816 Jy ! Component: 100 - total flux cleaned = -0.000362974 Jy ! Component: 150 - total flux cleaned = -0.000347749 Jy ! Component: 200 - total flux cleaned = -0.000347895 Jy ! Total flux subtracted in 200 components = -0.000347895 Jy ! Clean residual min=-0.000800 max=0.000727 Jy/beam ! Clean residual mean=0.000000 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.206098 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 169 components and 0.206098 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=0.054142Jy sigma=1.197217 ! Fit after self-cal, rms=0.054143Jy sigma=1.197205 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.01951e-05 Jy ! Component: 100 - total flux cleaned = -2.10449e-05 Jy ! Component: 150 - total flux cleaned = 1.62615e-05 Jy ! Component: 200 - total flux cleaned = 5.22049e-05 Jy ! Total flux subtracted in 200 components = 5.22049e-05 Jy ! Clean residual min=-0.000792 max=0.000708 Jy/beam ! Clean residual mean=0.000000 rms=0.000172 Jy/beam ! Combined flux in latest and established models = 0.20615 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 174 components and 0.20615 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=0.054138Jy sigma=1.197078 ! Fit after self-cal, rms=0.054138Jy sigma=1.197079 ! 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=0.054138Jy sigma=1.197079 ! Fit after self-cal, rms=0.054163Jy sigma=1.197031 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.185 mas, bmaj=2.668 mas, bpa=-4.634 degrees ! Estimated noise=0.177898 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00036488 Jy ! Component: 100 - total flux cleaned = 0.000641374 Jy ! Component: 150 - total flux cleaned = 0.000863448 Jy ! Component: 200 - total flux cleaned = 0.000971211 Jy ! Total flux subtracted in 200 components = 0.000971211 Jy ! Clean residual min=-0.000825 max=0.000780 Jy/beam ! Clean residual mean=0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.207121 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 192 components and 0.207121 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=0.054161Jy sigma=1.196967 ! Fit after self-cal, rms=0.054161Jy sigma=1.196954 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 = 8.13553e-05 Jy ! Component: 100 - total flux cleaned = 0.000145651 Jy ! Component: 150 - total flux cleaned = 0.000194441 Jy ! Component: 200 - total flux cleaned = 0.00021274 Jy ! Total flux subtracted in 200 components = 0.00021274 Jy ! Clean residual min=-0.000805 max=0.000779 Jy/beam ! Clean residual mean=0.000001 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.207334 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 202 components and 0.207334 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=0.054160Jy sigma=1.196929 ! Fit after self-cal, rms=0.054160Jy sigma=1.196930 ! 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=0.9519 mas, bmaj=1.637 mas, bpa=-7.386 degrees ! Estimated noise=0.143515 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9519 x 1.637 at -7.386 degrees (North through East) ! Clean map min=-0.00073529 max=0.16299 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=0.7284 mas, bmaj=1.29 mas, bpa=-8.237 degrees ! Estimated noise=0.294591 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.120863 Jy ! Component: 100 - total flux cleaned = 0.153422 Jy ! Component: 150 - total flux cleaned = 0.169215 Jy ! Component: 200 - total flux cleaned = 0.177553 Jy ! Total flux subtracted in 200 components = 0.177553 Jy ! Clean residual min=-0.002238 max=0.003963 Jy/beam ! Clean residual mean=-0.000001 rms=0.000473 Jy/beam ! Combined flux in latest and established models = 0.177553 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 0.177553 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9519 mas, bmaj=1.637 mas, bpa=-7.386 degrees ! Estimated noise=0.143515 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 = 0.00565928 Jy ! Component: 100 - total flux cleaned = 0.00873591 Jy ! Component: 150 - total flux cleaned = 0.0110121 Jy ! Component: 200 - total flux cleaned = 0.0129243 Jy ! Total flux subtracted in 200 components = 0.0129243 Jy ! Clean residual min=-0.001188 max=0.001399 Jy/beam ! Clean residual mean=-0.000003 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.190477 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 49 components and 0.190477 Jy ! Inverting map ! Added new window around map position (-16.6, 5.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00170437 Jy ! Component: 100 - total flux cleaned = 0.0031843 Jy ! Component: 150 - total flux cleaned = 0.00449352 Jy ! Component: 200 - total flux cleaned = 0.00566621 Jy ! Total flux subtracted in 200 components = 0.00566621 Jy ! Clean residual min=-0.001020 max=0.001003 Jy/beam ! Clean residual mean=-0.000002 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.196143 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 65 components and 0.196144 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=2.185 mas, bmaj=2.668 mas, bpa=-4.634 degrees ! Estimated noise=0.177898 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00185271 Jy ! Component: 100 - total flux cleaned = 0.00330959 Jy ! Component: 150 - total flux cleaned = 0.00452336 Jy ! Component: 200 - total flux cleaned = 0.00554805 Jy ! Total flux subtracted in 200 components = 0.00554805 Jy ! Clean residual min=-0.000923 max=0.000831 Jy/beam ! Clean residual mean=-0.000002 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.201692 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 = 0.000869654 Jy ! Component: 100 - total flux cleaned = 0.00161377 Jy ! Component: 150 - total flux cleaned = 0.00225336 Jy ! Component: 200 - total flux cleaned = 0.00280711 Jy ! Total flux subtracted in 200 components = 0.00280711 Jy ! Clean residual min=-0.000809 max=0.000747 Jy/beam ! Clean residual mean=-0.000000 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.204499 Jy ! Adding 89 model components to the UV plane model. ! The established model now contains 147 components and 0.204499 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9519 mas, bmaj=1.637 mas, bpa=-7.386 degrees ! Estimated noise=0.143515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000624282 Jy ! Component: 100 - total flux cleaned = 0.000842461 Jy ! Component: 150 - total flux cleaned = 0.000921613 Jy ! Component: 200 - total flux cleaned = 0.00101299 Jy ! Total flux subtracted in 200 components = 0.00101299 Jy ! Clean residual min=-0.000808 max=0.000758 Jy/beam ! Clean residual mean=-0.000000 rms=0.000170 Jy/beam ! Combined flux in latest and established models = 0.205512 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 170 components and 0.205512 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=0.054190Jy sigma=1.197521 ! Fit after self-cal, rms=0.054182Jy sigma=1.197379 wmodel J1957+3338_X_map.mod ! Writing 170 model components to file: J1957+3338_X_map.mod wobs J1957+3338_X_uvs.fits ! Writing UV FITS file: J1957+3338_X_uvs.fits wwins J1957+3338_X_map.win ! wwins: Wrote 8 windows to J1957+3338_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 = -0.000183867 Jy ! Component: 100 - total flux cleaned = -0.0002106 Jy ! Component: 150 - total flux cleaned = -0.000300058 Jy ! Component: 200 - total flux cleaned = -0.000373377 Jy ! Component: 250 - total flux cleaned = -0.000467577 Jy ! Component: 300 - total flux cleaned = -0.000525026 Jy ! Component: 350 - total flux cleaned = -0.000591934 Jy ! Component: 400 - total flux cleaned = -0.000635711 Jy ! Component: 450 - total flux cleaned = -0.000699906 Jy ! Component: 500 - total flux cleaned = -0.000741842 Jy ! Component: 550 - total flux cleaned = -0.000741828 Jy ! Component: 600 - total flux cleaned = -0.000752001 Jy ! Component: 650 - total flux cleaned = -0.000751934 Jy ! Component: 700 - total flux cleaned = -0.000742081 Jy ! Component: 750 - total flux cleaned = -0.000722543 Jy ! Component: 800 - total flux cleaned = -0.000703187 Jy ! Component: 850 - total flux cleaned = -0.000684311 Jy ! Component: 900 - total flux cleaned = -0.000693828 Jy ! Component: 950 - total flux cleaned = -0.000684656 Jy ! Component: 1000 - total flux cleaned = -0.000702875 Jy ! Component: 1050 - total flux cleaned = -0.000703057 Jy ! Component: 1100 - total flux cleaned = -0.000738971 Jy ! Component: 1150 - total flux cleaned = -0.000747882 Jy ! Component: 1200 - total flux cleaned = -0.000747855 Jy ! Component: 1250 - total flux cleaned = -0.00076536 Jy ! Component: 1300 - total flux cleaned = -0.000808503 Jy ! Component: 1350 - total flux cleaned = -0.000799918 Jy ! Component: 1400 - total flux cleaned = -0.000808342 Jy ! Component: 1450 - total flux cleaned = -0.000816964 Jy ! Component: 1500 - total flux cleaned = -0.000850172 Jy ! Component: 1550 - total flux cleaned = -0.000874924 Jy ! Component: 1600 - total flux cleaned = -0.000899282 Jy ! Component: 1650 - total flux cleaned = -0.000891223 Jy ! Component: 1700 - total flux cleaned = -0.000939334 Jy ! Component: 1750 - total flux cleaned = -0.000915742 Jy ! Component: 1800 - total flux cleaned = -0.000978838 Jy ! Component: 1850 - total flux cleaned = -0.00101009 Jy ! Component: 1900 - total flux cleaned = -0.0010101 Jy ! Component: 1950 - total flux cleaned = -0.0010331 Jy ! Component: 2000 - total flux cleaned = -0.00104076 Jy ! Component: 2050 - total flux cleaned = -0.00110138 Jy ! Component: 2100 - total flux cleaned = -0.00109395 Jy ! Component: 2150 - total flux cleaned = -0.00114615 Jy ! Component: 2200 - total flux cleaned = -0.00113877 Jy ! Component: 2250 - total flux cleaned = -0.00119765 Jy ! Component: 2300 - total flux cleaned = -0.00118301 Jy ! Component: 2350 - total flux cleaned = -0.00119029 Jy ! Component: 2400 - total flux cleaned = -0.00123362 Jy ! Component: 2450 - total flux cleaned = -0.00124079 Jy ! Component: 2500 - total flux cleaned = -0.00121231 Jy ! Component: 2550 - total flux cleaned = -0.00122645 Jy ! Component: 2600 - total flux cleaned = -0.0012123 Jy ! Component: 2650 - total flux cleaned = -0.00124027 Jy ! Component: 2700 - total flux cleaned = -0.00121248 Jy ! Component: 2750 - total flux cleaned = -0.00119179 Jy ! Component: 2800 - total flux cleaned = -0.00119863 Jy ! Component: 2850 - total flux cleaned = -0.00119867 Jy ! Component: 2900 - total flux cleaned = -0.00122574 Jy ! Component: 2950 - total flux cleaned = -0.00121219 Jy ! Component: 3000 - total flux cleaned = -0.0011921 Jy ! Component: 3050 - total flux cleaned = -0.00117206 Jy ! Component: 3100 - total flux cleaned = -0.00116551 Jy ! Component: 3150 - total flux cleaned = -0.00115884 Jy ! Component: 3200 - total flux cleaned = -0.00116546 Jy ! Component: 3250 - total flux cleaned = -0.00117199 Jy ! Component: 3300 - total flux cleaned = -0.00113949 Jy ! Component: 3350 - total flux cleaned = -0.0011201 Jy ! Component: 3400 - total flux cleaned = -0.00107515 Jy ! Component: 3450 - total flux cleaned = -0.00106876 Jy ! Component: 3500 - total flux cleaned = -0.00104339 Jy ! Component: 3550 - total flux cleaned = -0.00106864 Jy ! Component: 3600 - total flux cleaned = -0.00099941 Jy ! Component: 3650 - total flux cleaned = -0.00103078 Jy ! Component: 3700 - total flux cleaned = -0.00100585 Jy ! Component: 3750 - total flux cleaned = -0.000974877 Jy ! Component: 3800 - total flux cleaned = -0.000993384 Jy ! Component: 3850 - total flux cleaned = -0.000974945 Jy ! Component: 3900 - total flux cleaned = -0.000974911 Jy ! Component: 3950 - total flux cleaned = -0.000987088 Jy ! Component: 4000 - total flux cleaned = -0.000962939 Jy ! Component: 4050 - total flux cleaned = -0.000968951 Jy ! Total flux subtracted in 4096 components = -0.000956979 Jy ! Clean residual min=-0.000337 max=0.000372 Jy/beam ! Clean residual mean=-0.000000 rms=0.000102 Jy/beam ! Combined flux in latest and established models = 0.204555 Jy keep ! Adding 310 model components to the UV plane model. ! The established model now contains 480 components and 0.204555 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1957+3338_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9519 x 1.637 at -7.386 degrees (North through East) ! Clean map min=-0.00065211 max=0.16319 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1957+3338_X_map.fits wmodel /vlbi/uf001/uva//J1957+3338_X_map.mod ! Writing 480 model components to file: /vlbi/uf001/uva//J1957+3338_X_map.mod wobs /vlbi/uf001/uva//J1957+3338_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1957+3338_X_uvs.fits wwins /vlbi/uf001/uva//J1957+3338_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J1957+3338_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.163192 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000102011 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.187529 0.187529 0.375059 0.750117 1.50023 3.00047 6.00094 12.0019 24.0038 48.0075 96.015 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.163 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1599.75 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1957+3338_X_dfm.log closed on Mon Jan 14 05:18:09 2019