! Started logfile: /vlbi/uf001/uva//J1827+2638_X_dfm.log on Mon Jan 14 04:38:20 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//J1827+2638_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1827+2638_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.791358 visibilities/baseline/integration-bin. ! Found source: J1827+2638 ! ! 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 30768 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 J1827+2638_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 77 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 77 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 77 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 77 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 77 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 77 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 77 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 77 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 77 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 77 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 77 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 77 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001478Jy sigma=24.529144 ! Fit after self-cal, rms=0.872558Jy sigma=21.343606 ! 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=0.6957 mas, bmaj=1.528 mas, bpa=-7.301 degrees ! Estimated noise=0.340218 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 = 0.0990929 Jy ! Component: 100 - total flux cleaned = 0.121041 Jy ! Total flux subtracted in 100 components = 0.121041 Jy ! Clean residual min=-0.003431 max=0.007446 Jy/beam ! Clean residual mean=0.000006 rms=0.000870 Jy/beam ! Combined flux in latest and established models = 0.121041 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.121041 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=0.056809Jy sigma=1.268224 ! Fit after self-cal, rms=0.056787Jy sigma=1.267940 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00803481 Jy ! Component: 100 - total flux cleaned = 0.0121993 Jy ! Total flux subtracted in 100 components = 0.0121993 Jy ! Clean residual min=-0.003289 max=0.004407 Jy/beam ! Clean residual mean=0.000002 rms=0.000675 Jy/beam ! Combined flux in latest and established models = 0.13324 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.13324 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=0.055564Jy sigma=1.231985 ! Fit after self-cal, rms=0.055544Jy sigma=1.231420 ! Inverting map ! Added new window around map position (-1.4, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00373786 Jy ! Component: 100 - total flux cleaned = 0.00579544 Jy ! Total flux subtracted in 100 components = 0.00579544 Jy ! Clean residual min=-0.003197 max=0.002904 Jy/beam ! Clean residual mean=0.000001 rms=0.000616 Jy/beam ! Combined flux in latest and established models = 0.139035 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 18 components and 0.139035 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=0.055304Jy sigma=1.224525 ! Fit after self-cal, rms=0.055293Jy sigma=1.224255 ! 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=0.9146 mas, bmaj=1.819 mas, bpa=-6.193 degrees ! Estimated noise=0.167763 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 = 0.00221542 Jy ! Component: 100 - total flux cleaned = 0.00370255 Jy ! Component: 150 - total flux cleaned = 0.00475924 Jy ! Component: 200 - total flux cleaned = 0.00512385 Jy ! Total flux subtracted in 200 components = 0.00512385 Jy ! Clean residual min=-0.002557 max=0.002593 Jy/beam ! Clean residual mean=-0.000001 rms=0.000560 Jy/beam ! Combined flux in latest and established models = 0.144159 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 28 components and 0.144159 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=0.055196Jy sigma=1.221123 ! Fit after self-cal, rms=0.055195Jy sigma=1.221026 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9146 x 1.819 at -6.193 degrees (North through East) ! Clean map min=-0.0024182 max=0.1267 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.00 HN 0.90 KP 1.08 ! LA 1.04 MK 1.04 NL 0.98 OV 0.93 ! PT 0.93 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.05 HN 0.95 KP 1.05 ! LA 1.00 MK 1.06 NL 0.97 OV 0.95 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 0.94 KP 1.06 ! LA 1.02 MK 1.01 NL 0.99 OV 0.94 ! PT 0.93 SC 0.93 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.03 HN 0.92 KP 1.06 ! LA 1.03 MK 1.05 NL 0.96 OV 0.95 ! PT 0.92 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.04 HN 0.97 KP 1.06 ! LA 1.02 MK 1.03 NL 0.97 OV 0.95 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.03 HN 0.97 KP 1.06 ! LA 1.01 MK 1.04 NL 0.98 OV 0.97 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.07 HN 0.94 KP 1.07 ! LA 1.01 MK 1.01 NL 0.98 OV 0.93 ! PT 0.91 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.01 HN 0.94 KP 1.07 ! LA 1.00 MK 1.03 NL 0.99 OV 0.94 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.03 HN 0.93 KP 1.08 ! LA 1.00 MK 1.03 NL 0.97 OV 0.95 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.02 HN 0.95 KP 1.05 ! LA 1.00 MK 1.03 NL 0.98 OV 0.95 ! PT 0.93 SC 0.95 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.05 HN 0.91 KP 1.04 ! LA 0.99 MK 0.98 NL 0.99 OV 0.92 ! PT 0.93 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.98 HN 0.95 KP 1.03 ! LA 1.01 MK 0.96 NL 1.00 OV 0.93 ! PT 0.95 SC 0.97 ! ! ! Fit before self-cal, rms=0.055195Jy sigma=1.221026 ! Fit after self-cal, rms=0.053770Jy sigma=1.198231 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9108 mas, bmaj=1.831 mas, bpa=-5.983 degrees ! Estimated noise=0.167572 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 = 0.000858405 Jy ! Component: 100 - total flux cleaned = 0.0005149 Jy ! Component: 150 - total flux cleaned = 0.000350108 Jy ! Component: 200 - total flux cleaned = 0.000224442 Jy ! Total flux subtracted in 200 components = 0.000224442 Jy ! Clean residual min=-0.001081 max=0.001170 Jy/beam ! Clean residual mean=-0.000002 rms=0.000250 Jy/beam ! Combined flux in latest and established models = 0.144384 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 41 components and 0.144384 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=0.053694Jy sigma=1.196509 ! Fit after self-cal, rms=0.053712Jy sigma=1.196107 ! 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=0.053712Jy sigma=1.196107 ! Fit after self-cal, rms=0.053618Jy sigma=1.192974 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9099 mas, bmaj=1.83 mas, bpa=-6.016 degrees ! Estimated noise=0.167545 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000441799 Jy ! Component: 100 - total flux cleaned = 0.000258765 Jy ! Component: 150 - total flux cleaned = 9.18395e-05 Jy ! Component: 200 - total flux cleaned = 2.9526e-05 Jy ! Total flux subtracted in 200 components = 2.9526e-05 Jy ! Clean residual min=-0.000956 max=0.001073 Jy/beam ! Clean residual mean=-0.000001 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.144413 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 46 components and 0.144413 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=0.053598Jy sigma=1.192494 ! Fit after self-cal, rms=0.053601Jy sigma=1.192382 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 (10.6, 12.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000918205 Jy ! Component: 100 - total flux cleaned = 0.000967785 Jy ! Component: 150 - total flux cleaned = 0.000921101 Jy ! Component: 200 - total flux cleaned = 0.000907851 Jy ! Total flux subtracted in 200 components = 0.000907851 Jy ! Clean residual min=-0.000910 max=0.000838 Jy/beam ! Clean residual mean=-0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.145321 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 61 components and 0.145321 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=0.053583Jy sigma=1.191917 ! Fit after self-cal, rms=0.053582Jy sigma=1.191875 ! 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=0.053582Jy sigma=1.191875 ! Fit after self-cal, rms=0.053607Jy sigma=1.191736 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9096 mas, bmaj=1.83 mas, bpa=-6.021 degrees ! Estimated noise=0.167738 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0004055 Jy ! Component: 100 - total flux cleaned = 0.00037776 Jy ! Component: 150 - total flux cleaned = 0.000314696 Jy ! Component: 200 - total flux cleaned = 0.000281177 Jy ! Total flux subtracted in 200 components = 0.000281177 Jy ! Clean residual min=-0.000881 max=0.000827 Jy/beam ! Clean residual mean=-0.000001 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.145602 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 69 components and 0.145602 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=0.053599Jy sigma=1.191537 ! Fit after self-cal, rms=0.053599Jy sigma=1.191509 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 = -3.27028e-06 Jy ! Component: 100 - total flux cleaned = -1.34099e-05 Jy ! Component: 150 - total flux cleaned = -3.36052e-05 Jy ! Component: 200 - total flux cleaned = -5.26196e-05 Jy ! Total flux subtracted in 200 components = -5.26196e-05 Jy ! Clean residual min=-0.000850 max=0.000819 Jy/beam ! Clean residual mean=-0.000001 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.14555 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 74 components and 0.14555 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=0.053594Jy sigma=1.191401 ! Fit after self-cal, rms=0.053594Jy sigma=1.191383 ! 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=0.053594Jy sigma=1.191383 ! Fit after self-cal, rms=0.053597Jy sigma=1.191360 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.13 mas, bmaj=2.832 mas, bpa=0.1856 degrees ! Estimated noise=0.209875 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.40422e-05 Jy ! Component: 100 - total flux cleaned = -0.000103287 Jy ! Component: 150 - total flux cleaned = -9.54992e-05 Jy ! Component: 200 - total flux cleaned = -8.98708e-05 Jy ! Total flux subtracted in 200 components = -8.98708e-05 Jy ! Clean residual min=-0.000969 max=0.001019 Jy/beam ! Clean residual mean=-0.000003 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.14546 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 84 components and 0.14546 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=0.053596Jy sigma=1.191320 ! Fit after self-cal, rms=0.053594Jy sigma=1.191307 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.12856e-05 Jy ! Component: 100 - total flux cleaned = -7.08562e-05 Jy ! Component: 150 - total flux cleaned = -7.5865e-05 Jy ! Component: 200 - total flux cleaned = -7.56121e-05 Jy ! Total flux subtracted in 200 components = -7.56121e-05 Jy ! Clean residual min=-0.000958 max=0.000996 Jy/beam ! Clean residual mean=-0.000003 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.145384 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 90 components and 0.145384 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=0.053594Jy sigma=1.191296 ! Fit after self-cal, rms=0.053593Jy sigma=1.191288 ! 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=0.9094 mas, bmaj=1.831 mas, bpa=-6.036 degrees ! Estimated noise=0.167852 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9094 x 1.831 at -6.036 degrees (North through East) ! Clean map min=-0.00076653 max=0.12624 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=0.6923 mas, bmaj=1.537 mas, bpa=-7.112 degrees ! Estimated noise=0.338851 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0985688 Jy ! Component: 100 - total flux cleaned = 0.12131 Jy ! Component: 150 - total flux cleaned = 0.129937 Jy ! Component: 200 - total flux cleaned = 0.134589 Jy ! Total flux subtracted in 200 components = 0.134589 Jy ! Clean residual min=-0.001837 max=0.002397 Jy/beam ! Clean residual mean=0.000002 rms=0.000460 Jy/beam ! Combined flux in latest and established models = 0.134589 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.134589 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9094 mas, bmaj=1.831 mas, bpa=-6.036 degrees ! Estimated noise=0.167852 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 = 0.00387439 Jy ! Component: 100 - total flux cleaned = 0.00603461 Jy ! Component: 150 - total flux cleaned = 0.00743731 Jy ! Component: 200 - total flux cleaned = 0.00839878 Jy ! Total flux subtracted in 200 components = 0.00839878 Jy ! Clean residual min=-0.000869 max=0.000862 Jy/beam ! Clean residual mean=-0.000001 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.142987 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 35 components and 0.142987 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=2.13 mas, bmaj=2.832 mas, bpa=0.1856 degrees ! Estimated noise=0.209875 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00101611 Jy ! Component: 100 - total flux cleaned = 0.00149926 Jy ! Component: 150 - total flux cleaned = 0.0017362 Jy ! Component: 200 - total flux cleaned = 0.00189107 Jy ! Total flux subtracted in 200 components = 0.00189107 Jy ! Clean residual min=-0.000978 max=0.000970 Jy/beam ! Clean residual mean=-0.000002 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.144879 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 = 0.000111478 Jy ! Component: 100 - total flux cleaned = 0.000203864 Jy ! Component: 150 - total flux cleaned = 0.000233562 Jy ! Component: 200 - total flux cleaned = 0.000250878 Jy ! Total flux subtracted in 200 components = 0.000250878 Jy ! Clean residual min=-0.000967 max=0.000966 Jy/beam ! Clean residual mean=-0.000002 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.145129 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 62 components and 0.145129 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9094 mas, bmaj=1.831 mas, bpa=-6.036 degrees ! Estimated noise=0.167852 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.79295e-05 Jy ! Component: 100 - total flux cleaned = -3.68968e-05 Jy ! Component: 150 - total flux cleaned = -3.7116e-05 Jy ! Component: 200 - total flux cleaned = -3.73126e-05 Jy ! Total flux subtracted in 200 components = -3.73126e-05 Jy ! Clean residual min=-0.000859 max=0.000830 Jy/beam ! Clean residual mean=-0.000001 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.145092 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 77 components and 0.145092 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=0.053596Jy sigma=1.191356 ! Fit after self-cal, rms=0.053591Jy sigma=1.191259 wmodel J1827+2638_X_map.mod ! Writing 77 model components to file: J1827+2638_X_map.mod wobs J1827+2638_X_uvs.fits ! Writing UV FITS file: J1827+2638_X_uvs.fits wwins J1827+2638_X_map.win ! wwins: Wrote 3 windows to J1827+2638_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 = -0.000230979 Jy ! Component: 100 - total flux cleaned = -0.000302557 Jy ! Component: 150 - total flux cleaned = -0.00034349 Jy ! Component: 200 - total flux cleaned = -0.000369627 Jy ! Component: 250 - total flux cleaned = -0.000382236 Jy ! Component: 300 - total flux cleaned = -0.000406967 Jy ! Component: 350 - total flux cleaned = -0.000419313 Jy ! Component: 400 - total flux cleaned = -0.000502313 Jy ! Component: 450 - total flux cleaned = -0.000571798 Jy ! Component: 500 - total flux cleaned = -0.000651306 Jy ! Component: 550 - total flux cleaned = -0.000729668 Jy ! Component: 600 - total flux cleaned = -0.000784811 Jy ! Component: 650 - total flux cleaned = -0.000849848 Jy ! Component: 700 - total flux cleaned = -0.00084979 Jy ! Component: 750 - total flux cleaned = -0.000870625 Jy ! Component: 800 - total flux cleaned = -0.000880786 Jy ! Component: 850 - total flux cleaned = -0.000870592 Jy ! Component: 900 - total flux cleaned = -0.000860485 Jy ! Component: 950 - total flux cleaned = -0.000870619 Jy ! Component: 1000 - total flux cleaned = -0.000890351 Jy ! Component: 1050 - total flux cleaned = -0.000900141 Jy ! Component: 1100 - total flux cleaned = -0.000929063 Jy ! Component: 1150 - total flux cleaned = -0.000957392 Jy ! Component: 1200 - total flux cleaned = -0.000910255 Jy ! Component: 1250 - total flux cleaned = -0.000919678 Jy ! Component: 1300 - total flux cleaned = -0.000938274 Jy ! Component: 1350 - total flux cleaned = -0.000984121 Jy ! Component: 1400 - total flux cleaned = -0.00100226 Jy ! Component: 1450 - total flux cleaned = -0.00101118 Jy ! Component: 1500 - total flux cleaned = -0.00102876 Jy ! Component: 1550 - total flux cleaned = -0.00102878 Jy ! Component: 1600 - total flux cleaned = -0.00106361 Jy ! Component: 1650 - total flux cleaned = -0.00105492 Jy ! Component: 1700 - total flux cleaned = -0.00104626 Jy ! Component: 1750 - total flux cleaned = -0.00105479 Jy ! Component: 1800 - total flux cleaned = -0.0010716 Jy ! Component: 1850 - total flux cleaned = -0.0010716 Jy ! Component: 1900 - total flux cleaned = -0.00105499 Jy ! Component: 1950 - total flux cleaned = -0.00107135 Jy ! Component: 2000 - total flux cleaned = -0.00107949 Jy ! Component: 2050 - total flux cleaned = -0.00107145 Jy ! Component: 2100 - total flux cleaned = -0.00109564 Jy ! Component: 2150 - total flux cleaned = -0.00109559 Jy ! Component: 2200 - total flux cleaned = -0.00110349 Jy ! Component: 2250 - total flux cleaned = -0.00111137 Jy ! Component: 2300 - total flux cleaned = -0.00111913 Jy ! Component: 2350 - total flux cleaned = -0.00114234 Jy ! Component: 2400 - total flux cleaned = -0.00114238 Jy ! Component: 2450 - total flux cleaned = -0.00115765 Jy ! Component: 2500 - total flux cleaned = -0.00117288 Jy ! Component: 2550 - total flux cleaned = -0.00117289 Jy ! Component: 2600 - total flux cleaned = -0.0012028 Jy ! Component: 2650 - total flux cleaned = -0.00121763 Jy ! Component: 2700 - total flux cleaned = -0.00122509 Jy ! Component: 2750 - total flux cleaned = -0.00123242 Jy ! Component: 2800 - total flux cleaned = -0.00123971 Jy ! Component: 2850 - total flux cleaned = -0.00127593 Jy ! Component: 2900 - total flux cleaned = -0.00124717 Jy ! Component: 2950 - total flux cleaned = -0.00127572 Jy ! Component: 3000 - total flux cleaned = -0.00125441 Jy ! Component: 3050 - total flux cleaned = -0.00121912 Jy ! Component: 3100 - total flux cleaned = -0.00123321 Jy ! Component: 3150 - total flux cleaned = -0.00122625 Jy ! Component: 3200 - total flux cleaned = -0.00121927 Jy ! Component: 3250 - total flux cleaned = -0.00122614 Jy ! Component: 3300 - total flux cleaned = -0.00121931 Jy ! Component: 3350 - total flux cleaned = -0.00121254 Jy ! Component: 3400 - total flux cleaned = -0.0011922 Jy ! Component: 3450 - total flux cleaned = -0.00119901 Jy ! Component: 3500 - total flux cleaned = -0.00117216 Jy ! Component: 3550 - total flux cleaned = -0.0011855 Jy ! Component: 3600 - total flux cleaned = -0.00117889 Jy ! Component: 3650 - total flux cleaned = -0.00116577 Jy ! Component: 3700 - total flux cleaned = -0.00115267 Jy ! Component: 3750 - total flux cleaned = -0.00113965 Jy ! Component: 3800 - total flux cleaned = -0.00115273 Jy ! Component: 3850 - total flux cleaned = -0.00116561 Jy ! Component: 3900 - total flux cleaned = -0.00115913 Jy ! Component: 3950 - total flux cleaned = -0.00113358 Jy ! Component: 4000 - total flux cleaned = -0.0011336 Jy ! Component: 4050 - total flux cleaned = -0.00113366 Jy ! Total flux subtracted in 4096 components = -0.00113364 Jy ! Clean residual min=-0.000354 max=0.000396 Jy/beam ! Clean residual mean=-0.000000 rms=0.000108 Jy/beam ! Combined flux in latest and established models = 0.143958 Jy keep ! Adding 294 model components to the UV plane model. ! The established model now contains 371 components and 0.143958 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1827+2638_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9094 x 1.831 at -6.036 degrees (North through East) ! Clean map min=-0.00061872 max=0.12618 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1827+2638_X_map.fits wmodel /vlbi/uf001/uva//J1827+2638_X_map.mod ! Writing 371 model components to file: /vlbi/uf001/uva//J1827+2638_X_map.mod wobs /vlbi/uf001/uva//J1827+2638_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1827+2638_X_uvs.fits wwins /vlbi/uf001/uva//J1827+2638_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J1827+2638_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.126181 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000107371 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.255279 0.255279 0.510558 1.02112 2.04223 4.08446 8.16892 16.3378 32.6757 65.3514 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.126 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1175.19 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1827+2638_X_dfm.log closed on Mon Jan 14 04:38:25 2019