! Started logfile: /vlbi/uf001/uvm//J1957-3845_X_b_dfm.log on Sun Jan 13 22:25:14 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/uvm//J1957-3845_X_b_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1957-3845_X_b_uvm.fits ! AN table 1: 7 integrations on 28 of 28 possible baselines. ! AN table 2: 5 integrations on 3 of 3 possible baselines. ! Apparent sampling: 0.92891 visibilities/baseline/integration-bin. ! Found source: J1957-3845 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 2352 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 J1957-3845_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 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 10 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.222804Jy sigma=15.849874 ! Fit after self-cal, rms=0.442107Jy sigma=5.861588 ! 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=0.5676 mas, bmaj=1.732 mas, bpa=-9.03 degrees ! Estimated noise=1.75838 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 = 0.433181 Jy ! Component: 100 - total flux cleaned = 0.56278 Jy ! Total flux subtracted in 100 components = 0.56278 Jy ! Clean residual min=-0.058090 max=0.093910 Jy/beam ! Clean residual mean=-0.000076 rms=0.015545 Jy/beam ! Combined flux in latest and established models = 0.56278 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.56278 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=0.269347Jy sigma=3.284139 ! Fit after self-cal, rms=0.269225Jy sigma=3.283277 ! 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=0.7269 mas, bmaj=2.037 mas, bpa=-7.145 degrees ! Estimated noise=1.2522 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 (-0.6, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.154255 Jy ! Component: 100 - total flux cleaned = 0.244484 Jy ! Component: 150 - total flux cleaned = 0.302684 Jy ! Component: 200 - total flux cleaned = 0.340986 Jy ! Total flux subtracted in 200 components = 0.340986 Jy ! Clean residual min=-0.040229 max=0.080108 Jy/beam ! Clean residual mean=0.000036 rms=0.011490 Jy/beam ! Combined flux in latest and established models = 0.903766 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 51 components and 0.903766 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=0.135839Jy sigma=1.712780 ! Fit after self-cal, rms=0.127630Jy sigma=1.594092 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7269 x 2.037 at -7.145 degrees (North through East) ! Clean map min=-0.03065 max=0.57256 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 KP 0.97 LA 0.95 MK 1.03 ! NL 1.39 OV 0.92 PT 0.93 SC 1.10 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 0.99 LA 0.95 MK 1.00 ! NL 1.40 OV 0.94 PT 0.91 SC 1.09 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 0.97 LA 0.97 MK 1.01 ! NL 1.38 OV 0.94 PT 0.91 SC 1.06 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.95 LA 0.96 MK 1.00 ! NL 1.42 OV 0.93 PT 0.93 SC 1.07 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 0.95 LA 0.94 MK 1.01 ! NL 1.43 OV 0.93 PT 0.91 SC 1.08 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 0.98 LA 0.96 MK 0.99 ! NL 1.33 OV 0.92 PT 0.92 SC 1.06 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.97 LA 0.95 MK 0.97 ! NL 1.47 OV 0.93 PT 0.90 SC 1.01 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 KP 0.95 LA 0.96 MK 0.99 ! NL 1.37 OV 0.94 PT 0.89 SC 1.02 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 0.94 LA 0.95 MK 0.97 ! NL 1.38 OV 0.92 PT 0.93 SC 1.02 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 0.98 LA 0.94 MK 0.98 ! NL 1.46 OV 0.92 PT 0.92 SC 1.01 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 0.98 LA 0.92 MK 0.94 ! NL 1.42 OV 0.94 PT 0.93 SC 0.99 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 0.94 LA 0.96 MK 0.96 ! NL 1.41 OV 0.92 PT 0.89 SC 1.06 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.00* LA 0.00* OV 0.00* ! ! ! Fit before self-cal, rms=0.127630Jy sigma=1.594092 ! Fit after self-cal, rms=0.090613Jy sigma=1.058269 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7129 mas, bmaj=1.988 mas, bpa=-7.409 degrees ! Estimated noise=1.30099 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 (-2.8, 9.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107262 Jy ! Component: 100 - total flux cleaned = 0.0097391 Jy ! Component: 150 - total flux cleaned = 0.00973336 Jy ! Component: 200 - total flux cleaned = 0.00945182 Jy ! Total flux subtracted in 200 components = 0.00945182 Jy ! Clean residual min=-0.015977 max=0.016113 Jy/beam ! Clean residual mean=-0.000011 rms=0.003238 Jy/beam ! Combined flux in latest and established models = 0.913217 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 66 components and 0.913217 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=0.086417Jy sigma=1.006335 ! Fit after self-cal, rms=0.086488Jy sigma=1.005050 ! 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=0.086488Jy sigma=1.005050 ! Fit after self-cal, rms=0.086047Jy sigma=0.999555 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7101 mas, bmaj=1.983 mas, bpa=-7.434 degrees ! Estimated noise=1.29063 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00191531 Jy ! Component: 100 - total flux cleaned = -0.0023679 Jy ! Component: 150 - total flux cleaned = -0.00299521 Jy ! Component: 200 - total flux cleaned = -0.00298946 Jy ! Total flux subtracted in 200 components = -0.00298946 Jy ! Clean residual min=-0.013888 max=0.014132 Jy/beam ! Clean residual mean=-0.000012 rms=0.002862 Jy/beam ! Combined flux in latest and established models = 0.910228 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 75 components and 0.910228 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=0.084566Jy sigma=0.982212 ! Fit after self-cal, rms=0.084438Jy sigma=0.981422 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 = -0.000719618 Jy ! Component: 100 - total flux cleaned = -0.00089907 Jy ! Component: 150 - total flux cleaned = -0.00123471 Jy ! Component: 200 - total flux cleaned = -0.00155419 Jy ! Total flux subtracted in 200 components = -0.00155419 Jy ! Clean residual min=-0.012929 max=0.012733 Jy/beam ! Clean residual mean=-0.000010 rms=0.002707 Jy/beam ! Combined flux in latest and established models = 0.908674 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 82 components and 0.908674 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=0.083778Jy sigma=0.972675 ! Fit after self-cal, rms=0.083763Jy sigma=0.972371 ! 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=0.083763Jy sigma=0.972371 ! Fit after self-cal, rms=0.083747Jy sigma=0.968880 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7081 mas, bmaj=1.979 mas, bpa=-7.438 degrees ! Estimated noise=1.28352 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00266112 Jy ! Component: 100 - total flux cleaned = -0.00330798 Jy ! Component: 150 - total flux cleaned = -0.00375234 Jy ! Component: 200 - total flux cleaned = -0.00431434 Jy ! Total flux subtracted in 200 components = -0.00431434 Jy ! Clean residual min=-0.011386 max=0.011639 Jy/beam ! Clean residual mean=-0.000013 rms=0.002466 Jy/beam ! Combined flux in latest and established models = 0.904359 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 90 components and 0.904359 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=0.082949Jy sigma=0.960495 ! Fit after self-cal, rms=0.082873Jy sigma=0.959965 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 (-3.2, -8.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00474865 Jy ! Component: 100 - total flux cleaned = 0.00434101 Jy ! Component: 150 - total flux cleaned = 0.00417052 Jy ! Component: 200 - total flux cleaned = 0.00459387 Jy ! Total flux subtracted in 200 components = 0.00459387 Jy ! Clean residual min=-0.009689 max=0.007518 Jy/beam ! Clean residual mean=-0.000018 rms=0.002144 Jy/beam ! Combined flux in latest and established models = 0.908953 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 105 components and 0.908953 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=0.081311Jy sigma=0.941312 ! Fit after self-cal, rms=0.081286Jy sigma=0.940731 ! 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=0.081286Jy sigma=0.940731 ! Fit after self-cal, rms=0.081254Jy sigma=0.938366 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.413 mas, bmaj=8.368 mas, bpa=-4.004 degrees ! Estimated noise=1.88406 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00311956 Jy ! Component: 100 - total flux cleaned = -0.00340647 Jy ! Component: 150 - total flux cleaned = -0.00366908 Jy ! Component: 200 - total flux cleaned = -0.00416139 Jy ! Total flux subtracted in 200 components = -0.00416139 Jy ! Clean residual min=-0.012058 max=0.008255 Jy/beam ! Clean residual mean=-0.000030 rms=0.003375 Jy/beam ! Combined flux in latest and established models = 0.904792 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 116 components and 0.904792 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=0.080926Jy sigma=0.937424 ! Fit after self-cal, rms=0.080944Jy sigma=0.937194 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 = -0.000615441 Jy ! Component: 100 - total flux cleaned = -0.00107319 Jy ! Component: 150 - total flux cleaned = -0.0015112 Jy ! Component: 200 - total flux cleaned = -0.00193372 Jy ! Total flux subtracted in 200 components = -0.00193372 Jy ! Clean residual min=-0.011658 max=0.007997 Jy/beam ! Clean residual mean=-0.000029 rms=0.003221 Jy/beam ! Combined flux in latest and established models = 0.902858 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 117 components and 0.902858 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=0.080740Jy sigma=0.936240 ! Fit after self-cal, rms=0.080756Jy sigma=0.936154 ! 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=0.7079 mas, bmaj=1.978 mas, bpa=-7.465 degrees ! Estimated noise=1.2802 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7079 x 1.978 at -7.465 degrees (North through East) ! Clean map min=-0.0085777 max=0.55679 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 ! Performing amp+phase self-cal ! ! 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=0.080756Jy sigma=0.936154 ! Fit after self-cal, rms=0.076286Jy sigma=0.858045 ! Inverting map and beam ! Estimated beam: bmin=0.7097 mas, bmaj=1.981 mas, bpa=-7.384 degrees ! Estimated noise=1.28423 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00104321 Jy ! Component: 100 - total flux cleaned = 0.00175669 Jy ! Component: 150 - total flux cleaned = 0.00166269 Jy ! Component: 200 - total flux cleaned = 0.00138283 Jy ! Total flux subtracted in 200 components = 0.00138283 Jy ! Clean residual min=-0.008530 max=0.005711 Jy/beam ! Clean residual mean=-0.000010 rms=0.001790 Jy/beam ! Combined flux in latest and established models = 0.904241 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 129 components and 0.904241 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=0.075841Jy sigma=0.853314 ! Fit after self-cal, rms=0.075818Jy sigma=0.853185 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000682678 Jy ! Component: 100 - total flux cleaned = -0.000767174 Jy ! Component: 150 - total flux cleaned = -0.0008443 Jy ! Component: 200 - total flux cleaned = -0.000995057 Jy ! Total flux subtracted in 200 components = -0.000995057 Jy ! Clean residual min=-0.008253 max=0.005551 Jy/beam ! Clean residual mean=-0.000009 rms=0.001741 Jy/beam ! Combined flux in latest and established models = 0.903246 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 135 components and 0.903246 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=0.075644Jy sigma=0.851196 ! Fit after self-cal, rms=0.075633Jy sigma=0.851154 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.075633Jy sigma=0.851154 ! Fit after self-cal, rms=0.075582Jy sigma=0.850701 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=0.5536 mas, bmaj=1.677 mas, bpa=-9.003 degrees ! Estimated noise=1.81843 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.417206 Jy ! Component: 100 - total flux cleaned = 0.537339 Jy ! Component: 150 - total flux cleaned = 0.612339 Jy ! Component: 200 - total flux cleaned = 0.667404 Jy ! Total flux subtracted in 200 components = 0.667404 Jy ! Clean residual min=-0.027635 max=0.034603 Jy/beam ! Clean residual mean=0.000085 rms=0.007138 Jy/beam ! Combined flux in latest and established models = 0.667404 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.667404 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7092 mas, bmaj=1.98 mas, bpa=-7.373 degrees ! Estimated noise=1.28191 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-0.8, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0805069 Jy ! Component: 100 - total flux cleaned = 0.125987 Jy ! Component: 150 - total flux cleaned = 0.155451 Jy ! Component: 200 - total flux cleaned = 0.175727 Jy ! Total flux subtracted in 200 components = 0.175727 Jy ! Clean residual min=-0.012864 max=0.018079 Jy/beam ! Clean residual mean=0.000059 rms=0.003416 Jy/beam ! Combined flux in latest and established models = 0.843131 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 52 components and 0.843131 Jy ! Inverting map ! Added new window around map position (11, -32.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0176206 Jy ! Component: 100 - total flux cleaned = 0.0289096 Jy ! Component: 150 - total flux cleaned = 0.0360054 Jy ! Component: 200 - total flux cleaned = 0.0402677 Jy ! Total flux subtracted in 200 components = 0.0402677 Jy ! Clean residual min=-0.007810 max=0.005874 Jy/beam ! Clean residual mean=0.000015 rms=0.001714 Jy/beam ! Combined flux in latest and established models = 0.883399 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 79 components and 0.883399 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=2.415 mas, bmaj=8.384 mas, bpa=-3.982 degrees ! Estimated noise=1.88165 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00711143 Jy ! Component: 100 - total flux cleaned = 0.00891067 Jy ! Component: 150 - total flux cleaned = 0.00967146 Jy ! Component: 200 - total flux cleaned = 0.00986084 Jy ! Total flux subtracted in 200 components = 0.00986084 Jy ! Clean residual min=-0.007415 max=0.006319 Jy/beam ! Clean residual mean=-0.000003 rms=0.002224 Jy/beam ! Combined flux in latest and established models = 0.89326 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 = -0.000238964 Jy ! Component: 100 - total flux cleaned = -0.000386024 Jy ! Component: 150 - total flux cleaned = -0.000594031 Jy ! Component: 200 - total flux cleaned = -0.000723918 Jy ! Total flux subtracted in 200 components = -0.000723918 Jy ! Clean residual min=-0.006919 max=0.006325 Jy/beam ! Clean residual mean=-0.000002 rms=0.002144 Jy/beam ! Combined flux in latest and established models = 0.892536 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 100 components and 0.892536 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7092 mas, bmaj=1.98 mas, bpa=-7.373 degrees ! Estimated noise=1.28191 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0012336 Jy ! Component: 100 - total flux cleaned = -0.000588359 Jy ! Component: 150 - total flux cleaned = -0.000180326 Jy ! Component: 200 - total flux cleaned = -0.000177868 Jy ! Total flux subtracted in 200 components = -0.000177868 Jy ! Clean residual min=-0.005290 max=0.005215 Jy/beam ! Clean residual mean=-0.000001 rms=0.001341 Jy/beam ! Combined flux in latest and established models = 0.892358 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 115 components and 0.892358 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=0.074830Jy sigma=0.842198 ! Fit after self-cal, rms=0.074676Jy sigma=0.839599 wmodel J1957-3845_X_b_map.mod ! Writing 115 model components to file: J1957-3845_X_b_map.mod wobs J1957-3845_X_b_uvs.fits ! Writing UV FITS file: J1957-3845_X_b_uvs.fits wwins J1957-3845_X_b_map.win ! wwins: Wrote 6 windows to J1957-3845_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 = -0.000629252 Jy ! Component: 100 - total flux cleaned = -0.000960627 Jy ! Component: 150 - total flux cleaned = -0.00118636 Jy ! Component: 200 - total flux cleaned = -0.00146285 Jy ! Component: 250 - total flux cleaned = -0.00178653 Jy ! Component: 300 - total flux cleaned = -0.00203346 Jy ! Component: 350 - total flux cleaned = -0.00203542 Jy ! Component: 400 - total flux cleaned = -0.00203807 Jy ! Component: 450 - total flux cleaned = -0.00203753 Jy ! Component: 500 - total flux cleaned = -0.00203662 Jy ! Component: 550 - total flux cleaned = -0.00203477 Jy ! Component: 600 - total flux cleaned = -0.00208251 Jy ! Component: 650 - total flux cleaned = -0.00217703 Jy ! Component: 700 - total flux cleaned = -0.00226773 Jy ! Component: 750 - total flux cleaned = -0.00244696 Jy ! Component: 800 - total flux cleaned = -0.00253515 Jy ! Component: 850 - total flux cleaned = -0.00270629 Jy ! Component: 900 - total flux cleaned = -0.0028316 Jy ! Component: 950 - total flux cleaned = -0.00291263 Jy ! Component: 1000 - total flux cleaned = -0.00295212 Jy ! Component: 1050 - total flux cleaned = -0.00291345 Jy ! Component: 1100 - total flux cleaned = -0.0030297 Jy ! Component: 1150 - total flux cleaned = -0.00310567 Jy ! Component: 1200 - total flux cleaned = -0.00329155 Jy ! Component: 1250 - total flux cleaned = -0.0033285 Jy ! Component: 1300 - total flux cleaned = -0.00347261 Jy ! Component: 1350 - total flux cleaned = -0.00361501 Jy ! Component: 1400 - total flux cleaned = -0.00385964 Jy ! Component: 1450 - total flux cleaned = -0.00396287 Jy ! Component: 1500 - total flux cleaned = -0.00420063 Jy ! Component: 1550 - total flux cleaned = -0.00426794 Jy ! Component: 1600 - total flux cleaned = -0.00446686 Jy ! Component: 1650 - total flux cleaned = -0.0045322 Jy ! Component: 1700 - total flux cleaned = -0.00466173 Jy ! Component: 1750 - total flux cleaned = -0.00478982 Jy ! Component: 1800 - total flux cleaned = -0.00494799 Jy ! Component: 1850 - total flux cleaned = -0.0050733 Jy ! Component: 1900 - total flux cleaned = -0.00522727 Jy ! Component: 1950 - total flux cleaned = -0.00531918 Jy ! Component: 2000 - total flux cleaned = -0.00547048 Jy ! Component: 2050 - total flux cleaned = -0.00564984 Jy ! Component: 2100 - total flux cleaned = -0.00579771 Jy ! Component: 2150 - total flux cleaned = -0.00591469 Jy ! Component: 2200 - total flux cleaned = -0.00588558 Jy ! Component: 2250 - total flux cleaned = -0.00600092 Jy ! Component: 2300 - total flux cleaned = -0.00600084 Jy ! Component: 2350 - total flux cleaned = -0.00614231 Jy ! Component: 2400 - total flux cleaned = -0.00619812 Jy ! Component: 2450 - total flux cleaned = -0.00625354 Jy ! Component: 2500 - total flux cleaned = -0.006226 Jy ! Component: 2550 - total flux cleaned = -0.00633534 Jy ! Component: 2600 - total flux cleaned = -0.00628082 Jy ! Component: 2650 - total flux cleaned = -0.00633464 Jy ! Component: 2700 - total flux cleaned = -0.00630761 Jy ! Component: 2750 - total flux cleaned = -0.00633434 Jy ! Component: 2800 - total flux cleaned = -0.00641326 Jy ! Component: 2850 - total flux cleaned = -0.00641337 Jy ! Component: 2900 - total flux cleaned = -0.00649145 Jy ! Component: 2950 - total flux cleaned = -0.00662075 Jy ! Component: 3000 - total flux cleaned = -0.00664658 Jy ! Component: 3050 - total flux cleaned = -0.00667217 Jy ! Component: 3100 - total flux cleaned = -0.00674876 Jy ! Component: 3150 - total flux cleaned = -0.00679955 Jy ! Component: 3200 - total flux cleaned = -0.0069006 Jy ! Component: 3250 - total flux cleaned = -0.00685004 Jy ! Component: 3300 - total flux cleaned = -0.00685012 Jy ! Component: 3350 - total flux cleaned = -0.00685015 Jy ! Component: 3400 - total flux cleaned = -0.00692522 Jy ! Component: 3450 - total flux cleaned = -0.00692521 Jy ! Component: 3500 - total flux cleaned = -0.00690025 Jy ! Component: 3550 - total flux cleaned = -0.00687532 Jy ! Component: 3600 - total flux cleaned = -0.00687537 Jy ! Component: 3650 - total flux cleaned = -0.00685049 Jy ! Component: 3700 - total flux cleaned = -0.00685047 Jy ! Component: 3750 - total flux cleaned = -0.00685053 Jy ! Component: 3800 - total flux cleaned = -0.00682569 Jy ! Component: 3850 - total flux cleaned = -0.00680091 Jy ! Component: 3900 - total flux cleaned = -0.00677615 Jy ! Component: 3950 - total flux cleaned = -0.00677606 Jy ! Component: 4000 - total flux cleaned = -0.00675135 Jy ! Component: 4050 - total flux cleaned = -0.00670174 Jy ! Total flux subtracted in 4096 components = -0.00670165 Jy ! Clean residual min=-0.001529 max=0.001427 Jy/beam ! Clean residual mean=-0.000005 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.885657 Jy keep ! Adding 255 model components to the UV plane model. ! The established model now contains 370 components and 0.885657 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1957-3845_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7092 x 1.98 at -7.373 degrees (North through East) ! Clean map min=-0.0051324 max=0.56322 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1957-3845_X_b_map.fits wmodel /vlbi/uf001/uvm//J1957-3845_X_b_map.mod ! Writing 370 model components to file: /vlbi/uf001/uvm//J1957-3845_X_b_map.mod wobs /vlbi/uf001/uvm//J1957-3845_X_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1957-3845_X_b_uvs.fits wwins /vlbi/uf001/uvm//J1957-3845_X_b_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uvm//J1957-3845_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.56322 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000424383 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.226048 0.226048 0.452097 0.904194 1.80839 3.61678 7.23355 14.4671 28.9342 57.8684 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.563 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1327.15 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1957-3845_X_b_dfm.log closed on Sun Jan 13 22:25:19 2019