! Started logfile: /vlbi/uf001/uva//J0256-2137_X_dfm.log on Sun Jan 13 21:35:17 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//J0256-2137_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0256-2137_X_uva.fits ! AN table 1: 38 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.976608 visibilities/baseline/integration-bin. ! Found source: J0256-2137 ! ! 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 20040 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 J0256-2137_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 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 43 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.013245Jy sigma=21.302397 ! Fit after self-cal, rms=0.826768Jy sigma=17.301391 ! 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=0.5982 mas, bmaj=1.575 mas, bpa=-4.246 degrees ! Estimated noise=0.422769 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 = 0.136341 Jy ! Component: 100 - total flux cleaned = 0.166994 Jy ! Total flux subtracted in 100 components = 0.166994 Jy ! Clean residual min=-0.007347 max=0.011741 Jy/beam ! Clean residual mean=-0.000013 rms=0.001702 Jy/beam ! Combined flux in latest and established models = 0.166994 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.166994 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=0.070386Jy sigma=1.393563 ! Fit after self-cal, rms=0.070362Jy sigma=1.393228 ! Inverting map ! Added new window around map position (-1.8, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0131386 Jy ! Component: 100 - total flux cleaned = 0.0210684 Jy ! Total flux subtracted in 100 components = 0.0210684 Jy ! Clean residual min=-0.006831 max=0.008797 Jy/beam ! Clean residual mean=-0.000008 rms=0.001387 Jy/beam ! Combined flux in latest and established models = 0.188062 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.188062 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=0.068200Jy sigma=1.332427 ! Fit after self-cal, rms=0.068098Jy sigma=1.329410 ! 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=0.7486 mas, bmaj=1.896 mas, bpa=-3.47 degrees ! Estimated noise=0.274598 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, -3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00846353 Jy ! Component: 100 - total flux cleaned = 0.0139026 Jy ! Component: 150 - total flux cleaned = 0.0180853 Jy ! Component: 200 - total flux cleaned = 0.0213287 Jy ! Total flux subtracted in 200 components = 0.0213287 Jy ! Clean residual min=-0.004832 max=0.006866 Jy/beam ! Clean residual mean=-0.000009 rms=0.001309 Jy/beam ! Combined flux in latest and established models = 0.209391 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 30 components and 0.209391 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=0.066896Jy sigma=1.298162 ! Fit after self-cal, rms=0.066811Jy sigma=1.295908 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7486 x 1.896 at -3.47 degrees (North through East) ! Clean map min=-0.0045477 max=0.17324 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.96 HN 0.98 KP 0.99 ! LA 0.89 MK 1.00 NL 1.15 OV 0.95 ! PT 1.00* SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.97 HN 1.00 KP 0.98 ! LA 0.92 MK 1.00 NL 1.12 OV 0.94 ! PT 1.00* SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.96 HN 0.99 KP 0.98 ! LA 0.93 MK 1.04 NL 1.13 OV 0.96 ! PT 1.00* SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.97 HN 1.02 KP 1.01 ! LA 0.90 MK 0.98 NL 1.11 OV 0.94 ! PT 1.00* SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.98 HN 1.03 KP 0.99 ! LA 0.92 MK 1.00 NL 1.12 OV 0.95 ! PT 1.00* SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.94 HN 1.01 KP 0.98 ! LA 0.94 MK 0.99 NL 1.11 OV 0.94 ! PT 1.00* SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.94 HN 1.01 KP 1.00 ! LA 0.92 MK 1.01 NL 1.12 OV 0.92 ! PT 1.00* SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.96 HN 1.03 KP 0.99 ! LA 0.91 MK 1.00 NL 1.15 OV 0.93 ! PT 1.00* SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.98 HN 1.01 KP 0.95 ! LA 0.95 MK 1.01 NL 1.16 OV 0.94 ! PT 1.00* SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 1.01 KP 0.97 ! LA 0.93 MK 1.02 NL 1.14 OV 0.93 ! PT 1.00* SC 0.95 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 0.97 HN 1.01 KP 0.99 ! LA 0.93 MK 1.01 NL 1.13 OV 0.93 ! PT 1.00* SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.97 HN 1.01 KP 1.01 ! LA 0.93 MK 0.95 NL 1.17 OV 0.92 ! PT 1.00* SC 0.94 ! ! ! Fit before self-cal, rms=0.066811Jy sigma=1.295908 ! Fit after self-cal, rms=0.066141Jy sigma=1.248944 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7463 mas, bmaj=1.901 mas, bpa=-3.032 degrees ! Estimated noise=0.272862 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 = -0.00316376 Jy ! Component: 100 - total flux cleaned = -0.00417358 Jy ! Component: 150 - total flux cleaned = -0.00504855 Jy ! Component: 200 - total flux cleaned = -0.00540754 Jy ! Total flux subtracted in 200 components = -0.00540754 Jy ! Clean residual min=-0.002748 max=0.002826 Jy/beam ! Clean residual mean=-0.000003 rms=0.000709 Jy/beam ! Combined flux in latest and established models = 0.203983 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 50 components and 0.203983 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=0.065969Jy sigma=1.244466 ! Fit after self-cal, rms=0.066028Jy sigma=1.243818 ! 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=0.066028Jy sigma=1.243818 ! Fit after self-cal, rms=0.066557Jy sigma=1.231934 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7458 mas, bmaj=1.901 mas, bpa=-3.156 degrees ! Estimated noise=0.272724 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00140573 Jy ! Component: 100 - total flux cleaned = -0.00178163 Jy ! Component: 150 - total flux cleaned = -0.00202027 Jy ! Component: 200 - total flux cleaned = -0.00226401 Jy ! Total flux subtracted in 200 components = -0.00226401 Jy ! Clean residual min=-0.002071 max=0.001839 Jy/beam ! Clean residual mean=-0.000003 rms=0.000462 Jy/beam ! Combined flux in latest and established models = 0.201719 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 66 components and 0.201719 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=0.066493Jy sigma=1.230240 ! Fit after self-cal, rms=0.066513Jy sigma=1.230032 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 = -0.000435613 Jy ! Component: 100 - total flux cleaned = -0.000559073 Jy ! Component: 150 - total flux cleaned = -0.000640851 Jy ! Component: 200 - total flux cleaned = -0.00066504 Jy ! Total flux subtracted in 200 components = -0.00066504 Jy ! Clean residual min=-0.001966 max=0.001851 Jy/beam ! Clean residual mean=-0.000003 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.201054 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 70 components and 0.201054 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=0.066492Jy sigma=1.229421 ! Fit after self-cal, rms=0.066487Jy sigma=1.229390 ! 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=0.066487Jy sigma=1.229390 ! Fit after self-cal, rms=0.066986Jy sigma=1.228326 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7453 mas, bmaj=1.9 mas, bpa=-3.191 degrees ! Estimated noise=0.272399 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000766269 Jy ! Component: 100 - total flux cleaned = -0.00105154 Jy ! Component: 150 - total flux cleaned = -0.0012369 Jy ! Component: 200 - total flux cleaned = -0.00135319 Jy ! Total flux subtracted in 200 components = -0.00135319 Jy ! Clean residual min=-0.001822 max=0.001586 Jy/beam ! Clean residual mean=-0.000003 rms=0.000396 Jy/beam ! Combined flux in latest and established models = 0.199701 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 80 components and 0.199701 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=0.066953Jy sigma=1.227652 ! Fit after self-cal, rms=0.066961Jy sigma=1.227563 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 = -0.000213655 Jy ! Component: 100 - total flux cleaned = -0.000214212 Jy ! Component: 150 - total flux cleaned = -0.000214617 Jy ! Component: 200 - total flux cleaned = -0.000232633 Jy ! Total flux subtracted in 200 components = -0.000232633 Jy ! Clean residual min=-0.001726 max=0.001565 Jy/beam ! Clean residual mean=-0.000003 rms=0.000386 Jy/beam ! Combined flux in latest and established models = 0.199468 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 85 components and 0.199468 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=0.066949Jy sigma=1.227262 ! Fit after self-cal, rms=0.066946Jy sigma=1.227245 ! 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=0.066946Jy sigma=1.227245 ! Fit after self-cal, rms=0.067018Jy sigma=1.227055 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.011 mas, bmaj=4.225 mas, bpa=2.622 degrees ! Estimated noise=0.374439 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00051479 Jy ! Component: 100 - total flux cleaned = -0.000637963 Jy ! Component: 150 - total flux cleaned = -0.000637665 Jy ! Component: 200 - total flux cleaned = -0.000623087 Jy ! Total flux subtracted in 200 components = -0.000623087 Jy ! Clean residual min=-0.002508 max=0.002043 Jy/beam ! Clean residual mean=-0.000006 rms=0.000602 Jy/beam ! Combined flux in latest and established models = 0.198845 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 91 components and 0.198845 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=0.067012Jy sigma=1.226940 ! Fit after self-cal, rms=0.067014Jy sigma=1.226897 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 = -2.20386e-05 Jy ! Component: 100 - total flux cleaned = 2.02376e-05 Jy ! Component: 150 - total flux cleaned = 3.27318e-05 Jy ! Component: 200 - total flux cleaned = 4.45062e-05 Jy ! Total flux subtracted in 200 components = 4.45062e-05 Jy ! Clean residual min=-0.002398 max=0.002006 Jy/beam ! Clean residual mean=-0.000006 rms=0.000591 Jy/beam ! Combined flux in latest and established models = 0.19889 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 96 components and 0.19889 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=0.067013Jy sigma=1.226890 ! Fit after self-cal, rms=0.067013Jy sigma=1.226882 ! 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=0.7452 mas, bmaj=1.9 mas, bpa=-3.201 degrees ! Estimated noise=0.272056 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7452 x 1.9 at -3.201 degrees (North through East) ! Clean map min=-0.001545 max=0.17274 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=0.5953 mas, bmaj=1.577 mas, bpa=-3.931 degrees ! Estimated noise=0.416645 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.134262 Jy ! Component: 100 - total flux cleaned = 0.164929 Jy ! Component: 150 - total flux cleaned = 0.177417 Jy ! Component: 200 - total flux cleaned = 0.184355 Jy ! Total flux subtracted in 200 components = 0.184355 Jy ! Clean residual min=-0.003332 max=0.004107 Jy/beam ! Clean residual mean=-0.000004 rms=0.000742 Jy/beam ! Combined flux in latest and established models = 0.184355 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.184355 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7452 mas, bmaj=1.9 mas, bpa=-3.201 degrees ! Estimated noise=0.272056 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 = 0.00487383 Jy ! Component: 100 - total flux cleaned = 0.00797961 Jy ! Component: 150 - total flux cleaned = 0.0101975 Jy ! Component: 200 - total flux cleaned = 0.0113022 Jy ! Total flux subtracted in 200 components = 0.0113022 Jy ! Clean residual min=-0.001849 max=0.001825 Jy/beam ! Clean residual mean=-0.000004 rms=0.000418 Jy/beam ! Combined flux in latest and established models = 0.195657 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 31 components and 0.195657 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=2.011 mas, bmaj=4.225 mas, bpa=2.622 degrees ! Estimated noise=0.374439 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00173361 Jy ! Component: 100 - total flux cleaned = 0.00254239 Jy ! Component: 150 - total flux cleaned = 0.00287916 Jy ! Component: 200 - total flux cleaned = 0.0029681 Jy ! Total flux subtracted in 200 components = 0.0029681 Jy ! Clean residual min=-0.002401 max=0.002042 Jy/beam ! Clean residual mean=-0.000006 rms=0.000598 Jy/beam ! Combined flux in latest and established models = 0.198625 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 = 5.89584e-05 Jy ! Component: 100 - total flux cleaned = 9.41404e-05 Jy ! Component: 150 - total flux cleaned = 0.00014303 Jy ! Component: 200 - total flux cleaned = 0.000171708 Jy ! Total flux subtracted in 200 components = 0.000171708 Jy ! Clean residual min=-0.002293 max=0.002009 Jy/beam ! Clean residual mean=-0.000006 rms=0.000587 Jy/beam ! Combined flux in latest and established models = 0.198797 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 49 components and 0.198797 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7452 mas, bmaj=1.9 mas, bpa=-3.201 degrees ! Estimated noise=0.272056 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000121302 Jy ! Component: 100 - total flux cleaned = -0.000120999 Jy ! Component: 150 - total flux cleaned = -0.000122636 Jy ! Component: 200 - total flux cleaned = -0.000121516 Jy ! Total flux subtracted in 200 components = -0.000121516 Jy ! Clean residual min=-0.001686 max=0.001542 Jy/beam ! Clean residual mean=-0.000002 rms=0.000373 Jy/beam ! Combined flux in latest and established models = 0.198676 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 65 components and 0.198676 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=0.067037Jy sigma=1.227767 ! Fit after self-cal, rms=0.067030Jy sigma=1.227610 wmodel J0256-2137_X_map.mod ! Writing 65 model components to file: J0256-2137_X_map.mod wobs J0256-2137_X_uvs.fits ! Writing UV FITS file: J0256-2137_X_uvs.fits wwins J0256-2137_X_map.win ! wwins: Wrote 3 windows to J0256-2137_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 = 1.76853e-05 Jy ! Component: 100 - total flux cleaned = 7.15735e-05 Jy ! Component: 150 - total flux cleaned = 0.000119297 Jy ! Component: 200 - total flux cleaned = 0.000287368 Jy ! Component: 250 - total flux cleaned = 0.000379801 Jy ! Component: 300 - total flux cleaned = 0.000356891 Jy ! Component: 350 - total flux cleaned = 0.000378914 Jy ! Component: 400 - total flux cleaned = 0.000315561 Jy ! Component: 450 - total flux cleaned = 0.000421603 Jy ! Component: 500 - total flux cleaned = 0.000462801 Jy ! Component: 550 - total flux cleaned = 0.000483168 Jy ! Component: 600 - total flux cleaned = 0.000542395 Jy ! Component: 650 - total flux cleaned = 0.000600496 Jy ! Component: 700 - total flux cleaned = 0.00065749 Jy ! Component: 750 - total flux cleaned = 0.000694824 Jy ! Component: 800 - total flux cleaned = 0.000695319 Jy ! Component: 850 - total flux cleaned = 0.000767435 Jy ! Component: 900 - total flux cleaned = 0.000802516 Jy ! Component: 950 - total flux cleaned = 0.000854141 Jy ! Component: 1000 - total flux cleaned = 0.000853912 Jy ! Component: 1050 - total flux cleaned = 0.000921305 Jy ! Component: 1100 - total flux cleaned = 0.000937911 Jy ! Component: 1150 - total flux cleaned = 0.000970674 Jy ! Component: 1200 - total flux cleaned = 0.000970804 Jy ! Component: 1250 - total flux cleaned = 0.000986666 Jy ! Component: 1300 - total flux cleaned = 0.00097067 Jy ! Component: 1350 - total flux cleaned = 0.00103217 Jy ! Component: 1400 - total flux cleaned = 0.000986514 Jy ! Component: 1450 - total flux cleaned = 0.00100144 Jy ! Component: 1500 - total flux cleaned = 0.000986876 Jy ! Component: 1550 - total flux cleaned = 0.00104537 Jy ! Component: 1600 - total flux cleaned = 0.00110298 Jy ! Component: 1650 - total flux cleaned = 0.00105983 Jy ! Component: 1700 - total flux cleaned = 0.00105985 Jy ! Component: 1750 - total flux cleaned = 0.001088 Jy ! Component: 1800 - total flux cleaned = 0.00108782 Jy ! Component: 1850 - total flux cleaned = 0.0010878 Jy ! Component: 1900 - total flux cleaned = 0.0010879 Jy ! Component: 1950 - total flux cleaned = 0.00107472 Jy ! Component: 2000 - total flux cleaned = 0.00108821 Jy ! Component: 2050 - total flux cleaned = 0.00110149 Jy ! Component: 2100 - total flux cleaned = 0.00112722 Jy ! Component: 2150 - total flux cleaned = 0.00108898 Jy ! Component: 2200 - total flux cleaned = 0.00113955 Jy ! Component: 2250 - total flux cleaned = 0.00116458 Jy ! Component: 2300 - total flux cleaned = 0.00116451 Jy ! Component: 2350 - total flux cleaned = 0.00107818 Jy ! Component: 2400 - total flux cleaned = 0.00112692 Jy ! Component: 2450 - total flux cleaned = 0.00109056 Jy ! Component: 2500 - total flux cleaned = 0.00105474 Jy ! Component: 2550 - total flux cleaned = 0.00104297 Jy ! Component: 2600 - total flux cleaned = 0.0010195 Jy ! Component: 2650 - total flux cleaned = 0.00100781 Jy ! Component: 2700 - total flux cleaned = 0.00101927 Jy ! Component: 2750 - total flux cleaned = 0.000961829 Jy ! Component: 2800 - total flux cleaned = 0.000916285 Jy ! Component: 2850 - total flux cleaned = 0.000938852 Jy ! Component: 2900 - total flux cleaned = 0.000882914 Jy ! Component: 2950 - total flux cleaned = 0.000860731 Jy ! Component: 3000 - total flux cleaned = 0.000871784 Jy ! Component: 3050 - total flux cleaned = 0.000860788 Jy ! Component: 3100 - total flux cleaned = 0.00082801 Jy ! Component: 3150 - total flux cleaned = 0.000774101 Jy ! Component: 3200 - total flux cleaned = 0.000763374 Jy ! Component: 3250 - total flux cleaned = 0.000731542 Jy ! Component: 3300 - total flux cleaned = 0.000699968 Jy ! Component: 3350 - total flux cleaned = 0.00064765 Jy ! Component: 3400 - total flux cleaned = 0.000606251 Jy ! Component: 3450 - total flux cleaned = 0.00058573 Jy ! Component: 3500 - total flux cleaned = 0.000555099 Jy ! Component: 3550 - total flux cleaned = 0.000575331 Jy ! Component: 3600 - total flux cleaned = 0.000514655 Jy ! Component: 3650 - total flux cleaned = 0.000484583 Jy ! Component: 3700 - total flux cleaned = 0.000424831 Jy ! Component: 3750 - total flux cleaned = 0.000404993 Jy ! Component: 3800 - total flux cleaned = 0.000385427 Jy ! Component: 3850 - total flux cleaned = 0.000346309 Jy ! Component: 3900 - total flux cleaned = 0.000317259 Jy ! Component: 3950 - total flux cleaned = 0.000336543 Jy ! Component: 4000 - total flux cleaned = 0.000307528 Jy ! Component: 4050 - total flux cleaned = 0.000259766 Jy ! Total flux subtracted in 4096 components = 0.00021235 Jy ! Clean residual min=-0.000573 max=0.000542 Jy/beam ! Clean residual mean=-0.000000 rms=0.000160 Jy/beam ! Combined flux in latest and established models = 0.198888 Jy keep ! Adding 304 model components to the UV plane model. ! The established model now contains 369 components and 0.198888 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0256-2137_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7452 x 1.9 at -3.201 degrees (North through East) ! Clean map min=-0.00098295 max=0.1728 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0256-2137_X_map.fits wmodel /vlbi/uf001/uva//J0256-2137_X_map.mod ! Writing 369 model components to file: /vlbi/uf001/uva//J0256-2137_X_map.mod wobs /vlbi/uf001/uva//J0256-2137_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0256-2137_X_uvs.fits wwins /vlbi/uf001/uva//J0256-2137_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J0256-2137_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.172795 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000159301 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.276573 0.276573 0.553145 1.10629 2.21258 4.42516 8.85032 17.7006 35.4013 70.8026 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.172 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1084.71 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0256-2137_X_dfm.log closed on Sun Jan 13 21:35:22 2019