! Started logfile: /vlbi/uf001/uva//J1755+6236_X_b_dfm.log on Mon Jan 14 04:26:03 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//J1755+6236_X_b_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1755+6236_X_b_uva.fits ! AN table 1: 148 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.888889 visibilities/baseline/integration-bin. ! Found source: J1755+6236 ! ! 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 56832 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 J1755+6236_X_b] 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 108 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 108 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 108 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 108 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 108 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 108 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 108 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 108 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 108 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 108 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 108 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 108 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001882Jy sigma=22.427669 ! Fit after self-cal, rms=0.974032Jy sigma=21.825996 ! 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=0.7146 mas, bmaj=1.499 mas, bpa=-72.52 degrees ! Estimated noise=0.356615 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 = 0.0207877 Jy ! Component: 100 - total flux cleaned = 0.0253412 Jy ! Total flux subtracted in 100 components = 0.0253412 Jy ! Clean residual min=-0.002816 max=0.004375 Jy/beam ! Clean residual mean=-0.000004 rms=0.000605 Jy/beam ! Combined flux in latest and established models = 0.0253412 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0253412 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=0.058773Jy sigma=1.220656 ! Fit after self-cal, rms=0.057250Jy sigma=1.185477 ! Inverting map ! Added new window around map position (-5.4, -2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00470139 Jy ! Component: 100 - total flux cleaned = 0.00651928 Jy ! Total flux subtracted in 100 components = 0.00651928 Jy ! Clean residual min=-0.002599 max=0.003621 Jy/beam ! Clean residual mean=-0.000004 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.0318605 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.0318605 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=0.056897Jy sigma=1.178653 ! Fit after self-cal, rms=0.056774Jy sigma=1.176448 ! Inverting map ! Added new window around map position (-0.6, 2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00350744 Jy ! Component: 100 - total flux cleaned = 0.0048043 Jy ! Total flux subtracted in 100 components = 0.0048043 Jy ! Clean residual min=-0.002476 max=0.002633 Jy/beam ! Clean residual mean=-0.000004 rms=0.000519 Jy/beam ! Combined flux in latest and established models = 0.0366648 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 21 components and 0.0366648 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=0.056602Jy sigma=1.172969 ! Fit after self-cal, rms=0.056472Jy sigma=1.171290 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.041 mas, bmaj=1.912 mas, bpa=-76.42 degrees ! Estimated noise=0.136365 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 = 0.00239175 Jy ! Component: 100 - total flux cleaned = 0.00404236 Jy ! Component: 150 - total flux cleaned = 0.00531563 Jy ! Component: 200 - total flux cleaned = 0.00633706 Jy ! Total flux subtracted in 200 components = 0.00633706 Jy ! Clean residual min=-0.002179 max=0.001834 Jy/beam ! Clean residual mean=-0.000014 rms=0.000563 Jy/beam ! Combined flux in latest and established models = 0.0430019 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 44 components and 0.0430019 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=0.056327Jy sigma=1.168419 ! Fit after self-cal, rms=0.056238Jy sigma=1.167319 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.041 x 1.912 at -76.42 degrees (North through East) ! Clean map min=-0.0023029 max=0.028877 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 0.99 HN 1.14 KP 1.13 ! LA 0.74 MK 1.12 NL 1.24 OV 1.10 ! PT 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 FD 1.06 HN 1.11 KP 1.16 ! LA 0.78 MK 1.17 NL 1.16 OV 1.12 ! PT 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.93 HN 1.04 KP 1.10 ! LA 0.76 MK 1.17 NL 1.24 OV 1.14 ! PT 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.03 HN 1.06 KP 1.32 ! LA 0.73 MK 1.17 NL 1.27 OV 1.03 ! PT 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 1.16 KP 1.25 ! LA 0.69 MK 1.10 NL 1.18 OV 1.10 ! PT 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.96 HN 1.07 KP 1.21 ! LA 0.71 MK 1.14 NL 1.18 OV 1.01 ! PT 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.91 HN 0.97 KP 1.22 ! LA 0.76 MK 1.01 NL 1.21 OV 1.04 ! PT 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.87 HN 1.00 KP 1.21 ! LA 0.72 MK 1.08 NL 1.15 OV 1.05 ! PT 0.94 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.92 HN 0.96 KP 1.15 ! LA 0.74 MK 0.96 NL 1.14 OV 1.04 ! PT 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.89 HN 0.92 KP 1.17 ! LA 0.75 MK 1.07 NL 1.17 OV 1.07 ! PT 0.88 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.90 HN 0.91 KP 1.06 ! LA 0.71 MK 0.94 NL 1.08 OV 1.00 ! PT 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.79 HN 0.98 KP 1.02 ! LA 0.78 MK 0.84 NL 1.04 OV 0.94 ! PT 0.90 ! ! ! Fit before self-cal, rms=0.056238Jy sigma=1.167319 ! Fit after self-cal, rms=0.056257Jy sigma=1.157878 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.063 mas, bmaj=1.934 mas, bpa=-76.42 degrees ! Estimated noise=0.138257 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 = 0.000173726 Jy ! Component: 100 - total flux cleaned = 0.000291777 Jy ! Component: 150 - total flux cleaned = 0.000383611 Jy ! Component: 200 - total flux cleaned = 0.000447136 Jy ! Total flux subtracted in 200 components = 0.000447136 Jy ! Clean residual min=-0.001049 max=0.001258 Jy/beam ! Clean residual mean=-0.000000 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 0.043449 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 52 components and 0.043449 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=0.056248Jy sigma=1.157525 ! Fit after self-cal, rms=0.056547Jy sigma=1.153598 ! 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=0.056547Jy sigma=1.153598 ! Fit after self-cal, rms=0.059441Jy sigma=1.151355 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.071 mas, bmaj=1.946 mas, bpa=-76.12 degrees ! Estimated noise=0.140111 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000169763 Jy ! Component: 100 - total flux cleaned = 0.000220312 Jy ! Component: 150 - total flux cleaned = 0.000315638 Jy ! Component: 200 - total flux cleaned = 0.000362841 Jy ! Total flux subtracted in 200 components = 0.000362841 Jy ! Clean residual min=-0.000937 max=0.001184 Jy/beam ! Clean residual mean=-0.000003 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.0438118 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 58 components and 0.0438118 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=0.059435Jy sigma=1.151090 ! Fit after self-cal, rms=0.059723Jy sigma=1.149743 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 = 0.000193329 Jy ! Component: 100 - total flux cleaned = 0.000309534 Jy ! Component: 150 - total flux cleaned = 0.000341202 Jy ! Component: 200 - total flux cleaned = 0.000389096 Jy ! Total flux subtracted in 200 components = 0.000389096 Jy ! Clean residual min=-0.001017 max=0.001010 Jy/beam ! Clean residual mean=-0.000005 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.0442009 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 61 components and 0.0442009 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=0.059719Jy sigma=1.149573 ! Fit after self-cal, rms=0.059720Jy sigma=1.149490 ! 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=0.059720Jy sigma=1.149490 ! Fit after self-cal, rms=0.061766Jy sigma=1.148980 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.073 mas, bmaj=1.947 mas, bpa=-76.05 degrees ! Estimated noise=0.141277 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.9951e-05 Jy ! Component: 100 - total flux cleaned = 3.63644e-05 Jy ! Component: 150 - total flux cleaned = 6.95168e-05 Jy ! Component: 200 - total flux cleaned = 9.72313e-05 Jy ! Total flux subtracted in 200 components = 9.72313e-05 Jy ! Clean residual min=-0.000903 max=0.001100 Jy/beam ! Clean residual mean=-0.000003 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.0442982 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 64 components and 0.0442982 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=0.061763Jy sigma=1.148836 ! Fit after self-cal, rms=0.061944Jy sigma=1.148421 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 (13.8, 4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000805946 Jy ! Component: 100 - total flux cleaned = 0.00104778 Jy ! Component: 150 - total flux cleaned = 0.00114236 Jy ! Component: 200 - total flux cleaned = 0.0012242 Jy ! Total flux subtracted in 200 components = 0.0012242 Jy ! Clean residual min=-0.000925 max=0.000899 Jy/beam ! Clean residual mean=-0.000004 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.0455224 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 76 components and 0.0455224 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=0.061926Jy sigma=1.148079 ! Fit after self-cal, rms=0.061887Jy sigma=1.147861 ! 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=0.061887Jy sigma=1.147861 ! Fit after self-cal, rms=0.063019Jy sigma=1.147626 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.229 mas, bmaj=3.198 mas, bpa=80.53 degrees ! Estimated noise=0.164651 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00070483 Jy ! Component: 100 - total flux cleaned = 0.0010804 Jy ! Component: 150 - total flux cleaned = 0.00128798 Jy ! Component: 200 - total flux cleaned = 0.00140907 Jy ! Total flux subtracted in 200 components = 0.00140907 Jy ! Clean residual min=-0.000930 max=0.000965 Jy/beam ! Clean residual mean=-0.000003 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.0469314 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 85 components and 0.0469314 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=0.063009Jy sigma=1.147404 ! Fit after self-cal, rms=0.063106Jy sigma=1.147092 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 = 0.000550155 Jy ! Component: 100 - total flux cleaned = 0.000791554 Jy ! Component: 150 - total flux cleaned = 0.000955075 Jy ! Component: 200 - total flux cleaned = 0.00106795 Jy ! Total flux subtracted in 200 components = 0.00106795 Jy ! Clean residual min=-0.001024 max=0.000989 Jy/beam ! Clean residual mean=-0.000004 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.0479994 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 89 components and 0.0479994 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=0.063099Jy sigma=1.146961 ! Fit after self-cal, rms=0.063082Jy sigma=1.146862 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.075 mas, bmaj=1.948 mas, bpa=-76.11 degrees ! Estimated noise=0.141716 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.075 x 1.948 at -76.11 degrees (North through East) ! Clean map min=-0.00080193 max=0.028619 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=0.7266 mas, bmaj=1.51 mas, bpa=-72.27 degrees ! Estimated noise=0.381229 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0232383 Jy ! Component: 100 - total flux cleaned = 0.0309415 Jy ! Component: 150 - total flux cleaned = 0.0349944 Jy ! Component: 200 - total flux cleaned = 0.0376759 Jy ! Total flux subtracted in 200 components = 0.0376759 Jy ! Clean residual min=-0.001928 max=0.002048 Jy/beam ! Clean residual mean=-0.000004 rms=0.000462 Jy/beam ! Combined flux in latest and established models = 0.0376759 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0376759 Jy ! Inverting map and beam ! Estimated beam: bmin=1.075 mas, bmaj=1.948 mas, bpa=-76.11 degrees ! Estimated noise=0.141716 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 = 0.00283691 Jy ! Component: 100 - total flux cleaned = 0.00452607 Jy ! Component: 150 - total flux cleaned = 0.0055422 Jy ! Component: 200 - total flux cleaned = 0.00629043 Jy ! Total flux subtracted in 200 components = 0.00629043 Jy ! Clean residual min=-0.001071 max=0.001186 Jy/beam ! Clean residual mean=-0.000008 rms=0.000291 Jy/beam ! Combined flux in latest and established models = 0.0439663 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 29 components and 0.0439663 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=2.229 mas, bmaj=3.198 mas, bpa=80.53 degrees ! Estimated noise=0.164651 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00145424 Jy ! Component: 100 - total flux cleaned = 0.00236871 Jy ! Component: 150 - total flux cleaned = 0.00285417 Jy ! Component: 200 - total flux cleaned = 0.00325989 Jy ! Total flux subtracted in 200 components = 0.00325989 Jy ! Clean residual min=-0.001183 max=0.001053 Jy/beam ! Clean residual mean=-0.000006 rms=0.000318 Jy/beam ! Combined flux in latest and established models = 0.0472262 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 = 0.000342221 Jy ! Component: 100 - total flux cleaned = 0.000631952 Jy ! Component: 150 - total flux cleaned = 0.000790057 Jy ! Component: 200 - total flux cleaned = 0.000918259 Jy ! Total flux subtracted in 200 components = 0.000918259 Jy ! Clean residual min=-0.001092 max=0.001008 Jy/beam ! Clean residual mean=-0.000004 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.0481445 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 56 components and 0.0481445 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.075 mas, bmaj=1.948 mas, bpa=-76.11 degrees ! Estimated noise=0.141716 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000167208 Jy ! Component: 100 - total flux cleaned = -0.000188406 Jy ! Component: 150 - total flux cleaned = -0.000245214 Jy ! Component: 200 - total flux cleaned = -0.000278417 Jy ! Total flux subtracted in 200 components = -0.000278417 Jy ! Clean residual min=-0.000896 max=0.000988 Jy/beam ! Clean residual mean=-0.000003 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.047866 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 70 components and 0.047866 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=0.063077Jy sigma=1.146887 ! Fit after self-cal, rms=0.063055Jy sigma=1.146651 wmodel J1755+6236_X_b_map.mod ! Writing 70 model components to file: J1755+6236_X_b_map.mod wobs J1755+6236_X_b_uvs.fits ! Writing UV FITS file: J1755+6236_X_b_uvs.fits wwins J1755+6236_X_b_map.win ! wwins: Wrote 4 windows to J1755+6236_X_b_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 = 0.000301664 Jy ! Component: 100 - total flux cleaned = 0.00045585 Jy ! Component: 150 - total flux cleaned = 0.000543485 Jy ! Component: 200 - total flux cleaned = 0.000613201 Jy ! Component: 250 - total flux cleaned = 0.000680627 Jy ! Component: 300 - total flux cleaned = 0.000784089 Jy ! Component: 350 - total flux cleaned = 0.000870921 Jy ! Component: 400 - total flux cleaned = 0.000991341 Jy ! Component: 450 - total flux cleaned = 0.00109644 Jy ! Component: 500 - total flux cleaned = 0.00117596 Jy ! Component: 550 - total flux cleaned = 0.00124252 Jy ! Component: 600 - total flux cleaned = 0.0013186 Jy ! Component: 650 - total flux cleaned = 0.00138233 Jy ! Component: 700 - total flux cleaned = 0.00144506 Jy ! Component: 750 - total flux cleaned = 0.00149642 Jy ! Component: 800 - total flux cleaned = 0.00152672 Jy ! Component: 850 - total flux cleaned = 0.00153677 Jy ! Component: 900 - total flux cleaned = 0.00154667 Jy ! Component: 950 - total flux cleaned = 0.00155649 Jy ! Component: 1000 - total flux cleaned = 0.00157578 Jy ! Component: 1050 - total flux cleaned = 0.00157591 Jy ! Component: 1100 - total flux cleaned = 0.00158533 Jy ! Component: 1150 - total flux cleaned = 0.0016037 Jy ! Component: 1200 - total flux cleaned = 0.00157622 Jy ! Component: 1250 - total flux cleaned = 0.00156728 Jy ! Component: 1300 - total flux cleaned = 0.00157609 Jy ! Component: 1350 - total flux cleaned = 0.0015495 Jy ! Component: 1400 - total flux cleaned = 0.00152342 Jy ! Component: 1450 - total flux cleaned = 0.00152343 Jy ! Component: 1500 - total flux cleaned = 0.0014978 Jy ! Component: 1550 - total flux cleaned = 0.00148924 Jy ! Component: 1600 - total flux cleaned = 0.00147238 Jy ! Component: 1650 - total flux cleaned = 0.00143086 Jy ! Component: 1700 - total flux cleaned = 0.00143907 Jy ! Component: 1750 - total flux cleaned = 0.00139014 Jy ! Component: 1800 - total flux cleaned = 0.00137408 Jy ! Component: 1850 - total flux cleaned = 0.00134205 Jy ! Component: 1900 - total flux cleaned = 0.00134994 Jy ! Component: 1950 - total flux cleaned = 0.00131839 Jy ! Component: 2000 - total flux cleaned = 0.00129502 Jy ! Component: 2050 - total flux cleaned = 0.00130287 Jy ! Component: 2100 - total flux cleaned = 0.00127977 Jy ! Component: 2150 - total flux cleaned = 0.00127979 Jy ! Component: 2200 - total flux cleaned = 0.00126463 Jy ! Component: 2250 - total flux cleaned = 0.00122703 Jy ! Component: 2300 - total flux cleaned = 0.00121963 Jy ! Component: 2350 - total flux cleaned = 0.00120478 Jy ! Component: 2400 - total flux cleaned = 0.00117533 Jy ! Component: 2450 - total flux cleaned = 0.00116081 Jy ! Component: 2500 - total flux cleaned = 0.00113899 Jy ! Component: 2550 - total flux cleaned = 0.00112457 Jy ! Component: 2600 - total flux cleaned = 0.00111021 Jy ! Component: 2650 - total flux cleaned = 0.00110313 Jy ! Component: 2700 - total flux cleaned = 0.00111726 Jy ! Component: 2750 - total flux cleaned = 0.00111017 Jy ! Component: 2800 - total flux cleaned = 0.00105439 Jy ! Component: 2850 - total flux cleaned = 0.00106142 Jy ! Component: 2900 - total flux cleaned = 0.00106139 Jy ! Component: 2950 - total flux cleaned = 0.00103408 Jy ! Component: 3000 - total flux cleaned = 0.0010409 Jy ! Component: 3050 - total flux cleaned = 0.00101394 Jy ! Component: 3100 - total flux cleaned = 0.00100726 Jy ! Component: 3150 - total flux cleaned = 0.00100063 Jy ! Component: 3200 - total flux cleaned = 0.00100726 Jy ! Component: 3250 - total flux cleaned = 0.000994107 Jy ! Component: 3300 - total flux cleaned = 0.000994086 Jy ! Component: 3350 - total flux cleaned = 0.000968103 Jy ! Component: 3400 - total flux cleaned = 0.00098109 Jy ! Component: 3450 - total flux cleaned = 0.000974668 Jy ! Component: 3500 - total flux cleaned = 0.000955496 Jy ! Component: 3550 - total flux cleaned = 0.000961878 Jy ! Component: 3600 - total flux cleaned = 0.000980848 Jy ! Component: 3650 - total flux cleaned = 0.000955639 Jy ! Component: 3700 - total flux cleaned = 0.000980726 Jy ! Component: 3750 - total flux cleaned = 0.000974498 Jy ! Component: 3800 - total flux cleaned = 0.000980738 Jy ! Component: 3850 - total flux cleaned = 0.00099313 Jy ! Component: 3900 - total flux cleaned = 0.0010054 Jy ! Component: 3950 - total flux cleaned = 0.00102378 Jy ! Component: 4000 - total flux cleaned = 0.00103593 Jy ! Component: 4050 - total flux cleaned = 0.00103594 Jy ! Total flux subtracted in 4096 components = 0.00103599 Jy ! Clean residual min=-0.000325 max=0.000318 Jy/beam ! Clean residual mean=0.000001 rms=0.000107 Jy/beam ! Combined flux in latest and established models = 0.048902 Jy keep ! Adding 268 model components to the UV plane model. ! The established model now contains 338 components and 0.048902 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1755+6236_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.075 x 1.948 at -76.11 degrees (North through East) ! Clean map min=-0.00069713 max=0.028581 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1755+6236_X_b_map.fits wmodel /vlbi/uf001/uva//J1755+6236_X_b_map.mod ! Writing 338 model components to file: /vlbi/uf001/uva//J1755+6236_X_b_map.mod wobs /vlbi/uf001/uva//J1755+6236_X_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1755+6236_X_b_uvs.fits wwins /vlbi/uf001/uva//J1755+6236_X_b_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1755+6236_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0285811 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000105288 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.10515 1.10515 2.21029 4.42058 8.84117 17.6823 35.3647 70.7293 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.028 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 271.457 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1755+6236_X_b_dfm.log closed on Mon Jan 14 04:26:10 2019