! Started logfile: /vlbi/uf001/uva//J1737+0621_X_dfm.log on Mon Jan 14 04:15:33 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//J1737+0621_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1737+0621_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.834921 visibilities/baseline/integration-bin. ! Found source: J1737+0621 ! ! 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 18936 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 J1737+0621_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 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.048546Jy sigma=20.899303 ! Fit after self-cal, rms=0.750676Jy sigma=15.761424 ! 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=0.7053 mas, bmaj=1.635 mas, bpa=-1.964 degrees ! Estimated noise=0.43724 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 = 0.173581 Jy ! Component: 100 - total flux cleaned = 0.255536 Jy ! Total flux subtracted in 100 components = 0.255536 Jy ! Clean residual min=-0.016171 max=0.038471 Jy/beam ! Clean residual mean=-0.000048 rms=0.004017 Jy/beam ! Combined flux in latest and established models = 0.255536 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.255536 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=0.179416Jy sigma=2.454665 ! Fit after self-cal, rms=0.177777Jy sigma=2.415730 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0469669 Jy ! Component: 100 - total flux cleaned = 0.0722446 Jy ! Total flux subtracted in 100 components = 0.0722446 Jy ! Clean residual min=-0.013755 max=0.023770 Jy/beam ! Clean residual mean=-0.000032 rms=0.003270 Jy/beam ! Combined flux in latest and established models = 0.32778 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 9 components and 0.32778 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=0.152633Jy sigma=2.048157 ! Fit after self-cal, rms=0.152569Jy sigma=2.047391 ! Inverting map ! Added new window around map position (4.6, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.022167 Jy ! Component: 100 - total flux cleaned = 0.0363887 Jy ! Total flux subtracted in 100 components = 0.0363887 Jy ! Clean residual min=-0.014257 max=0.015909 Jy/beam ! Clean residual mean=-0.000025 rms=0.002975 Jy/beam ! Combined flux in latest and established models = 0.364169 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 22 components and 0.364169 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=0.146164Jy sigma=1.921568 ! Fit after self-cal, rms=0.145743Jy sigma=1.913426 ! 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=0.8839 mas, bmaj=1.89 mas, bpa=-1.142 degrees ! Estimated noise=0.286547 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 = 0.0188051 Jy ! Component: 100 - total flux cleaned = 0.0312963 Jy ! Component: 150 - total flux cleaned = 0.0402466 Jy ! Component: 200 - total flux cleaned = 0.04693 Jy ! Total flux subtracted in 200 components = 0.04693 Jy ! Clean residual min=-0.016694 max=0.021372 Jy/beam ! Clean residual mean=-0.000036 rms=0.004280 Jy/beam ! Combined flux in latest and established models = 0.411099 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 31 components and 0.411099 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=0.140462Jy sigma=1.854821 ! Fit after self-cal, rms=0.140176Jy sigma=1.846588 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8839 x 1.89 at -1.142 degrees (North through East) ! Clean map min=-0.015555 max=0.23803 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.99 KP 0.85 ! LA 0.95 MK 0.92 NL 1.15 OV 1.28 ! PT 0.88 SC 0.89 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.99 KP 0.87 ! LA 0.95 MK 0.90 NL 1.16 OV 1.26 ! PT 0.88 SC 0.88 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.98 KP 0.88 ! LA 0.97 MK 0.94 NL 1.17 OV 1.24 ! PT 0.88 SC 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.99 KP 0.87 ! LA 0.94 MK 0.91 NL 1.16 OV 1.24 ! PT 0.88 SC 0.89 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 1.00 KP 0.87 ! LA 0.94 MK 0.91 NL 1.20 OV 1.24 ! PT 0.88 SC 0.91 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.97 KP 0.89 ! LA 0.97 MK 0.94 NL 1.16 OV 1.22 ! PT 0.89 SC 0.91 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 1.00 KP 0.87 ! LA 0.95 MK 0.93 NL 1.16 OV 1.23 ! PT 0.87 SC 0.92 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.96 HN 0.97 KP 0.87 ! LA 0.94 MK 0.91 NL 1.21 OV 1.24 ! PT 0.88 SC 0.92 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 1.00 KP 0.85 ! LA 0.96 MK 0.98 NL 1.18 OV 1.27 ! PT 0.88 SC 0.92 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.97 KP 0.86 ! LA 0.95 MK 0.93 NL 1.17 OV 1.25 ! PT 0.87 SC 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HN 1.02 KP 0.88 ! LA 0.95 MK 0.92 NL 1.17 OV 1.26 ! PT 0.88 SC 0.90 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.02 HN 1.00 KP 0.85 ! LA 0.93 MK 0.94 NL 1.18 OV 1.27 ! PT 0.87 SC 0.94 ! ! ! Fit before self-cal, rms=0.140176Jy sigma=1.846588 ! Fit after self-cal, rms=0.121050Jy sigma=1.642617 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8607 mas, bmaj=1.866 mas, bpa=-0.8767 degrees ! Estimated noise=0.285795 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 = 0.0083539 Jy ! Component: 100 - total flux cleaned = 0.0134735 Jy ! Component: 150 - total flux cleaned = 0.0166705 Jy ! Component: 200 - total flux cleaned = 0.0180093 Jy ! Total flux subtracted in 200 components = 0.0180093 Jy ! Clean residual min=-0.012921 max=0.013270 Jy/beam ! Clean residual mean=-0.000018 rms=0.003265 Jy/beam ! Combined flux in latest and established models = 0.429108 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 45 components and 0.429108 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=0.119071Jy sigma=1.639888 ! Fit after self-cal, rms=0.119104Jy sigma=1.638669 ! 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=0.119104Jy sigma=1.638669 ! Fit after self-cal, rms=0.070454Jy sigma=1.236193 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8591 mas, bmaj=1.878 mas, bpa=-0.5256 degrees ! Estimated noise=0.284062 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00667456 Jy ! Component: 100 - total flux cleaned = 0.00867697 Jy ! Component: 150 - total flux cleaned = 0.00981299 Jy ! Component: 200 - total flux cleaned = 0.0105179 Jy ! Total flux subtracted in 200 components = 0.0105179 Jy ! Clean residual min=-0.004028 max=0.013890 Jy/beam ! Clean residual mean=-0.000001 rms=0.001052 Jy/beam ! Combined flux in latest and established models = 0.439626 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 53 components and 0.439626 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=0.069728Jy sigma=1.220812 ! Fit after self-cal, rms=0.069679Jy sigma=1.218744 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, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116431 Jy ! Component: 100 - total flux cleaned = 0.0139287 Jy ! Component: 150 - total flux cleaned = 0.0139926 Jy ! Component: 200 - total flux cleaned = 0.0137893 Jy ! Total flux subtracted in 200 components = 0.0137893 Jy ! Clean residual min=-0.003739 max=0.003447 Jy/beam ! Clean residual mean=0.000004 rms=0.000671 Jy/beam ! Combined flux in latest and established models = 0.453416 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 73 components and 0.453416 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=0.067782Jy sigma=1.176200 ! Fit after self-cal, rms=0.067680Jy sigma=1.174136 ! 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=0.067680Jy sigma=1.174136 ! Fit after self-cal, rms=0.067312Jy sigma=1.167053 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8607 mas, bmaj=1.876 mas, bpa=-0.2533 degrees ! Estimated noise=0.283701 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00426989 Jy ! Component: 100 - total flux cleaned = 0.00545948 Jy ! Component: 150 - total flux cleaned = 0.00568274 Jy ! Component: 200 - total flux cleaned = 0.00575044 Jy ! Total flux subtracted in 200 components = 0.00575044 Jy ! Clean residual min=-0.002444 max=0.002551 Jy/beam ! Clean residual mean=0.000001 rms=0.000468 Jy/beam ! Combined flux in latest and established models = 0.459166 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 92 components and 0.459166 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=0.067017Jy sigma=1.160054 ! Fit after self-cal, rms=0.067003Jy sigma=1.159795 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 (5.4, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0021799 Jy ! Component: 100 - total flux cleaned = 0.00242182 Jy ! Component: 150 - total flux cleaned = 0.00242318 Jy ! Component: 200 - total flux cleaned = 0.00247187 Jy ! Total flux subtracted in 200 components = 0.00247187 Jy ! Clean residual min=-0.002329 max=0.002124 Jy/beam ! Clean residual mean=0.000001 rms=0.000440 Jy/beam ! Combined flux in latest and established models = 0.461638 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 101 components and 0.461638 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=0.066889Jy sigma=1.157291 ! Fit after self-cal, rms=0.066888Jy sigma=1.157226 ! 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=0.066888Jy sigma=1.157226 ! Fit after self-cal, rms=0.066932Jy sigma=1.156237 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.108 mas, bmaj=3.04 mas, bpa=2.448 degrees ! Estimated noise=0.386407 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00166023 Jy ! Component: 100 - total flux cleaned = 0.00194401 Jy ! Component: 150 - total flux cleaned = 0.00194825 Jy ! Component: 200 - total flux cleaned = 0.00192315 Jy ! Total flux subtracted in 200 components = 0.00192315 Jy ! Clean residual min=-0.001701 max=0.001834 Jy/beam ! Clean residual mean=-0.000000 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.463561 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 121 components and 0.463561 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=0.066897Jy sigma=1.155612 ! Fit after self-cal, rms=0.066893Jy sigma=1.155555 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 = 0.00013046 Jy ! Component: 100 - total flux cleaned = 8.67019e-05 Jy ! Component: 150 - total flux cleaned = 3.09069e-05 Jy ! Component: 200 - total flux cleaned = 6.07371e-07 Jy ! Total flux subtracted in 200 components = 6.07371e-07 Jy ! Clean residual min=-0.001660 max=0.001804 Jy/beam ! Clean residual mean=-0.000000 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.463562 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 128 components and 0.463562 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=0.066888Jy sigma=1.155431 ! Fit after self-cal, rms=0.066886Jy sigma=1.155372 ! 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=0.8615 mas, bmaj=1.877 mas, bpa=-0.2865 degrees ! Estimated noise=0.283808 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8615 x 1.877 at -0.2865 degrees (North through East) ! Clean map min=-0.0018323 max=0.23468 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=0.6885 mas, bmaj=1.631 mas, bpa=-1.164 degrees ! Estimated noise=0.427515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.17352 Jy ! Component: 100 - total flux cleaned = 0.259173 Jy ! Component: 150 - total flux cleaned = 0.304844 Jy ! Component: 200 - total flux cleaned = 0.332952 Jy ! Total flux subtracted in 200 components = 0.332952 Jy ! Clean residual min=-0.007047 max=0.015794 Jy/beam ! Clean residual mean=-0.000024 rms=0.001965 Jy/beam ! Combined flux in latest and established models = 0.332952 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.332952 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8615 mas, bmaj=1.877 mas, bpa=-0.2865 degrees ! Estimated noise=0.283808 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 = 0.0329908 Jy ! Component: 100 - total flux cleaned = 0.0559699 Jy ! Component: 150 - total flux cleaned = 0.0724765 Jy ! Component: 200 - total flux cleaned = 0.0845146 Jy ! Total flux subtracted in 200 components = 0.0845146 Jy ! Clean residual min=-0.003548 max=0.006890 Jy/beam ! Clean residual mean=-0.000013 rms=0.001150 Jy/beam ! Combined flux in latest and established models = 0.417466 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 42 components and 0.417466 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00905712 Jy ! Component: 100 - total flux cleaned = 0.0161044 Jy ! Component: 150 - total flux cleaned = 0.0217055 Jy ! Component: 200 - total flux cleaned = 0.0262078 Jy ! Total flux subtracted in 200 components = 0.0262078 Jy ! Clean residual min=-0.002178 max=0.003128 Jy/beam ! Clean residual mean=-0.000005 rms=0.000593 Jy/beam ! Combined flux in latest and established models = 0.443674 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 88 components and 0.443674 Jy ! Inverting map ! Added new window around map position (1.2, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0037081 Jy ! Component: 100 - total flux cleaned = 0.00669425 Jy ! Component: 150 - total flux cleaned = 0.00918049 Jy ! Component: 200 - total flux cleaned = 0.0112666 Jy ! Total flux subtracted in 200 components = 0.0112666 Jy ! Clean residual min=-0.001745 max=0.001899 Jy/beam ! Clean residual mean=-0.000002 rms=0.000427 Jy/beam ! Combined flux in latest and established models = 0.454941 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 120 components and 0.454941 Jy ! Inverting map ! Added new window around map position (-4.6, 8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00196491 Jy ! Component: 100 - total flux cleaned = 0.00353097 Jy ! Component: 150 - total flux cleaned = 0.00487311 Jy ! Component: 200 - total flux cleaned = 0.00602783 Jy ! Total flux subtracted in 200 components = 0.00602783 Jy ! Clean residual min=-0.001583 max=0.001612 Jy/beam ! Clean residual mean=-0.000002 rms=0.000378 Jy/beam ! Combined flux in latest and established models = 0.460969 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 144 components and 0.460969 Jy ! Inverting map ! Added new window around map position (-12.4, -23.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000726364 Jy ! Component: 100 - total flux cleaned = 0.00118923 Jy ! Component: 150 - total flux cleaned = 0.00156978 Jy ! Component: 200 - total flux cleaned = 0.00195679 Jy ! Total flux subtracted in 200 components = 0.00195679 Jy ! Clean residual min=-0.001565 max=0.001494 Jy/beam ! Clean residual mean=-0.000001 rms=0.000354 Jy/beam ! Combined flux in latest and established models = 0.462926 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 169 components and 0.462926 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=2.108 mas, bmaj=3.04 mas, bpa=2.448 degrees ! Estimated noise=0.386407 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0010083 Jy ! Component: 100 - total flux cleaned = 0.00123625 Jy ! Component: 150 - total flux cleaned = 0.00129883 Jy ! Component: 200 - total flux cleaned = 0.00132704 Jy ! Total flux subtracted in 200 components = 0.00132704 Jy ! Clean residual min=-0.001659 max=0.001396 Jy/beam ! Clean residual mean=-0.000002 rms=0.000409 Jy/beam ! Combined flux in latest and established models = 0.464253 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 = -4.68863e-05 Jy ! Component: 100 - total flux cleaned = -6.77571e-05 Jy ! Component: 150 - total flux cleaned = -6.65115e-05 Jy ! Component: 200 - total flux cleaned = -6.57608e-05 Jy ! Total flux subtracted in 200 components = -6.57608e-05 Jy ! Clean residual min=-0.001631 max=0.001306 Jy/beam ! Clean residual mean=-0.000002 rms=0.000400 Jy/beam ! Combined flux in latest and established models = 0.464187 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 225 components and 0.464187 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8615 mas, bmaj=1.877 mas, bpa=-0.2865 degrees ! Estimated noise=0.283808 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000408859 Jy ! Component: 100 - total flux cleaned = 0.000521654 Jy ! Component: 150 - total flux cleaned = 0.000572907 Jy ! Component: 200 - total flux cleaned = 0.000596043 Jy ! Total flux subtracted in 200 components = 0.000596043 Jy ! Clean residual min=-0.001449 max=0.001383 Jy/beam ! Clean residual mean=-0.000001 rms=0.000334 Jy/beam ! Combined flux in latest and established models = 0.464783 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 240 components and 0.464783 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=0.066647Jy sigma=1.149616 ! Fit after self-cal, rms=0.066631Jy sigma=1.149308 wmodel J1737+0621_X_map.mod ! Writing 240 model components to file: J1737+0621_X_map.mod wobs J1737+0621_X_uvs.fits ! Writing UV FITS file: J1737+0621_X_uvs.fits wwins J1737+0621_X_map.win ! wwins: Wrote 7 windows to J1737+0621_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 = -1.35619e-05 Jy ! Component: 100 - total flux cleaned = 0.000183926 Jy ! Component: 150 - total flux cleaned = 0.000324312 Jy ! Component: 200 - total flux cleaned = 0.000414048 Jy ! Component: 250 - total flux cleaned = 0.000370309 Jy ! Component: 300 - total flux cleaned = 0.000391783 Jy ! Component: 350 - total flux cleaned = 0.000391565 Jy ! Component: 400 - total flux cleaned = 0.000391606 Jy ! Component: 450 - total flux cleaned = 0.000411803 Jy ! Component: 500 - total flux cleaned = 0.000451001 Jy ! Component: 550 - total flux cleaned = 0.000547669 Jy ! Component: 600 - total flux cleaned = 0.000547551 Jy ! Component: 650 - total flux cleaned = 0.000566579 Jy ! Component: 700 - total flux cleaned = 0.000566937 Jy ! Component: 750 - total flux cleaned = 0.0006038 Jy ! Component: 800 - total flux cleaned = 0.000639871 Jy ! Component: 850 - total flux cleaned = 0.00065783 Jy ! Component: 900 - total flux cleaned = 0.000675585 Jy ! Component: 950 - total flux cleaned = 0.000727918 Jy ! Component: 1000 - total flux cleaned = 0.000762382 Jy ! Component: 1050 - total flux cleaned = 0.000779262 Jy ! Component: 1100 - total flux cleaned = 0.000812993 Jy ! Component: 1150 - total flux cleaned = 0.000829504 Jy ! Component: 1200 - total flux cleaned = 0.000862545 Jy ! Component: 1250 - total flux cleaned = 0.000911262 Jy ! Component: 1300 - total flux cleaned = 0.000862905 Jy ! Component: 1350 - total flux cleaned = 0.00084707 Jy ! Component: 1400 - total flux cleaned = 0.000815586 Jy ! Component: 1450 - total flux cleaned = 0.000799667 Jy ! Component: 1500 - total flux cleaned = 0.000799825 Jy ! Component: 1550 - total flux cleaned = 0.000768947 Jy ! Component: 1600 - total flux cleaned = 0.000707756 Jy ! Component: 1650 - total flux cleaned = 0.000722849 Jy ! Component: 1700 - total flux cleaned = 0.000677857 Jy ! Component: 1750 - total flux cleaned = 0.000633233 Jy ! Component: 1800 - total flux cleaned = 0.000618521 Jy ! Component: 1850 - total flux cleaned = 0.00057464 Jy ! Component: 1900 - total flux cleaned = 0.000531103 Jy ! Component: 1950 - total flux cleaned = 0.000502531 Jy ! Component: 2000 - total flux cleaned = 0.000445292 Jy ! Component: 2050 - total flux cleaned = 0.000459378 Jy ! Component: 2100 - total flux cleaned = 0.000361318 Jy ! Component: 2150 - total flux cleaned = 0.000431016 Jy ! Component: 2200 - total flux cleaned = 0.000361816 Jy ! Component: 2250 - total flux cleaned = 0.000348169 Jy ! Component: 2300 - total flux cleaned = 0.000320718 Jy ! Component: 2350 - total flux cleaned = 0.000280181 Jy ! Component: 2400 - total flux cleaned = 0.000253317 Jy ! Component: 2450 - total flux cleaned = 0.000213428 Jy ! Component: 2500 - total flux cleaned = 0.000173764 Jy ! Component: 2550 - total flux cleaned = 0.000160667 Jy ! Component: 2600 - total flux cleaned = 0.000186689 Jy ! Component: 2650 - total flux cleaned = 0.000134998 Jy ! Component: 2700 - total flux cleaned = 9.65797e-05 Jy ! Component: 2750 - total flux cleaned = 0.000122094 Jy ! Component: 2800 - total flux cleaned = 0.000147495 Jy ! Component: 2850 - total flux cleaned = 9.71098e-05 Jy ! Component: 2900 - total flux cleaned = 0.000109666 Jy ! Component: 2950 - total flux cleaned = 9.72474e-05 Jy ! Component: 3000 - total flux cleaned = 0.000158846 Jy ! Component: 3050 - total flux cleaned = 0.000134441 Jy ! Component: 3100 - total flux cleaned = 0.000134537 Jy ! Component: 3150 - total flux cleaned = 9.8253e-05 Jy ! Component: 3200 - total flux cleaned = 7.41754e-05 Jy ! Component: 3250 - total flux cleaned = 8.60849e-05 Jy ! Component: 3300 - total flux cleaned = 0.000109843 Jy ! Component: 3350 - total flux cleaned = 8.60779e-05 Jy ! Component: 3400 - total flux cleaned = 5.07627e-05 Jy ! Component: 3450 - total flux cleaned = 9.74568e-05 Jy ! Component: 3500 - total flux cleaned = 0.000109039 Jy ! Component: 3550 - total flux cleaned = 5.1432e-05 Jy ! Component: 3600 - total flux cleaned = 8.58039e-05 Jy ! Component: 3650 - total flux cleaned = 4.03252e-05 Jy ! Component: 3700 - total flux cleaned = 2.89773e-05 Jy ! Component: 3750 - total flux cleaned = 2.89595e-05 Jy ! Component: 3800 - total flux cleaned = 6.57902e-06 Jy ! Component: 3850 - total flux cleaned = 6.49487e-06 Jy ! Component: 3900 - total flux cleaned = -2.66601e-05 Jy ! Component: 3950 - total flux cleaned = -3.75935e-05 Jy ! Component: 4000 - total flux cleaned = -4.84676e-05 Jy ! Component: 4050 - total flux cleaned = -9.20113e-05 Jy ! Total flux subtracted in 4096 components = -8.11839e-05 Jy ! Clean residual min=-0.000573 max=0.000553 Jy/beam ! Clean residual mean=-0.000000 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.464701 Jy keep ! Adding 329 model components to the UV plane model. ! The established model now contains 569 components and 0.464702 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1737+0621_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8615 x 1.877 at -0.2865 degrees (North through East) ! Clean map min=-0.0011879 max=0.23424 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1737+0621_X_map.fits wmodel /vlbi/uf001/uva//J1737+0621_X_map.mod ! Writing 569 model components to file: /vlbi/uf001/uva//J1737+0621_X_map.mod wobs /vlbi/uf001/uva//J1737+0621_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1737+0621_X_uvs.fits wwins /vlbi/uf001/uva//J1737+0621_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J1737+0621_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.234243 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000188604 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.241548 0.241548 0.483097 0.966194 1.93239 3.86477 7.72955 15.4591 30.9182 61.8364 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.234 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1241.99 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1737+0621_X_dfm.log closed on Mon Jan 14 04:15:38 2019