! Started logfile: /vlbi/uf001/uva//J2023+2223_X_dfm.log on Mon Jan 14 05:28:21 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//J2023+2223_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2023+2223_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.921296 visibilities/baseline/integration-bin. ! Found source: J2023+2223 ! ! 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 35820 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 J2023+2223_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 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.005245Jy sigma=23.510605 ! Fit after self-cal, rms=0.912558Jy sigma=21.261346 ! 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=0.7196 mas, bmaj=1.464 mas, bpa=-1.96 degrees ! Estimated noise=0.328041 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 = 0.0642166 Jy ! Component: 100 - total flux cleaned = 0.0884028 Jy ! Total flux subtracted in 100 components = 0.0884028 Jy ! Clean residual min=-0.004678 max=0.011976 Jy/beam ! Clean residual mean=0.000005 rms=0.001172 Jy/beam ! Combined flux in latest and established models = 0.0884028 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0884028 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=0.064078Jy sigma=1.424489 ! Fit after self-cal, rms=0.063789Jy sigma=1.417978 ! Inverting map ! Added new window around map position (-0.4, 1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0143097 Jy ! Component: 100 - total flux cleaned = 0.0234272 Jy ! Total flux subtracted in 100 components = 0.0234272 Jy ! Clean residual min=-0.003677 max=0.005863 Jy/beam ! Clean residual mean=0.000004 rms=0.000820 Jy/beam ! Combined flux in latest and established models = 0.11183 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 19 components and 0.11183 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=0.059174Jy sigma=1.299843 ! Fit after self-cal, rms=0.059079Jy sigma=1.297907 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00685652 Jy ! Component: 100 - total flux cleaned = 0.0116913 Jy ! Total flux subtracted in 100 components = 0.0116913 Jy ! Clean residual min=-0.003661 max=0.004338 Jy/beam ! Clean residual mean=0.000003 rms=0.000708 Jy/beam ! Combined flux in latest and established models = 0.123521 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 28 components and 0.123521 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=0.057862Jy sigma=1.266692 ! Fit after self-cal, rms=0.057818Jy sigma=1.265836 ! 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=0.9086 mas, bmaj=1.781 mas, bpa=-2.019 degrees ! Estimated noise=0.162277 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 (-1.4, 8.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00644556 Jy ! Component: 100 - total flux cleaned = 0.0110705 Jy ! Component: 150 - total flux cleaned = 0.0146958 Jy ! Component: 200 - total flux cleaned = 0.0176123 Jy ! Total flux subtracted in 200 components = 0.0176123 Jy ! Clean residual min=-0.002598 max=0.003960 Jy/beam ! Clean residual mean=0.000004 rms=0.000649 Jy/beam ! Combined flux in latest and established models = 0.141134 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 51 components and 0.141134 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=0.056846Jy sigma=1.241262 ! Fit after self-cal, rms=0.056807Jy sigma=1.240299 ! Inverting map ! Added new window around map position (1.4, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00391999 Jy ! Component: 100 - total flux cleaned = 0.00662335 Jy ! Component: 150 - total flux cleaned = 0.00887728 Jy ! Component: 200 - total flux cleaned = 0.0108063 Jy ! Total flux subtracted in 200 components = 0.0108063 Jy ! Clean residual min=-0.002409 max=0.003247 Jy/beam ! Clean residual mean=0.000002 rms=0.000526 Jy/beam ! Combined flux in latest and established models = 0.15194 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 75 components and 0.15194 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=0.056443Jy sigma=1.230711 ! Fit after self-cal, rms=0.056415Jy sigma=1.230040 ! Inverting map ! Added new window around map position (-1.4, -2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00272802 Jy ! Component: 100 - total flux cleaned = 0.00466615 Jy ! Component: 150 - total flux cleaned = 0.00636953 Jy ! Component: 200 - total flux cleaned = 0.00788247 Jy ! Total flux subtracted in 200 components = 0.00788247 Jy ! Clean residual min=-0.002425 max=0.002110 Jy/beam ! Clean residual mean=0.000001 rms=0.000460 Jy/beam ! Combined flux in latest and established models = 0.159822 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 102 components and 0.159822 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=0.056222Jy sigma=1.225050 ! Fit after self-cal, rms=0.056220Jy sigma=1.224919 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9086 x 1.781 at -2.019 degrees (North through East) ! Clean map min=-0.0018651 max=0.081385 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.01 HN 0.97 KP 1.03 ! LA 0.99 MK 1.02 NL 1.06 OV 0.93 ! PT 0.93 SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.04 HN 0.95 KP 1.02 ! LA 1.02 MK 0.99 NL 1.07 OV 0.92 ! PT 0.95 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.04 HN 0.97 KP 1.04 ! LA 1.00 MK 1.01 NL 1.10 OV 0.92 ! PT 0.94 SC 1.03 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.05 HN 0.96 KP 1.07 ! LA 0.99 MK 1.01 NL 1.06 OV 0.92 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.03 HN 0.96 KP 1.01 ! LA 1.01 MK 1.02 NL 1.08 OV 0.92 ! PT 0.96 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.06 HN 0.98 KP 1.02 ! LA 1.02 MK 1.02 NL 1.06 OV 0.90 ! PT 0.98 SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.07 HN 0.96 KP 1.00 ! LA 1.02 MK 1.02 NL 1.06 OV 0.94 ! PT 0.92 SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.05 HN 0.95 KP 1.04 ! LA 1.01 MK 1.02 NL 1.08 OV 0.90 ! PT 0.95 SC 1.05 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.07 HN 0.96 KP 1.01 ! LA 1.02 MK 1.03 NL 1.06 OV 0.91 ! PT 0.94 SC 1.04 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.05 HN 0.96 KP 1.02 ! LA 0.99 MK 1.01 NL 1.08 OV 0.90 ! PT 0.96 SC 1.06 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.04 HN 0.99 KP 1.03 ! LA 1.01 MK 0.97 NL 1.07 OV 0.91 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.05 HN 0.97 KP 0.96 ! LA 1.02 MK 1.01 NL 1.04 OV 0.93 ! PT 0.96 SC 1.02 ! ! ! Fit before self-cal, rms=0.056220Jy sigma=1.224919 ! Fit after self-cal, rms=0.055683Jy sigma=1.214778 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9111 mas, bmaj=1.791 mas, bpa=-2.07 degrees ! Estimated noise=0.161753 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 (-1.4, 4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00152445 Jy ! Component: 100 - total flux cleaned = 0.0018017 Jy ! Component: 150 - total flux cleaned = 0.00197784 Jy ! Component: 200 - total flux cleaned = 0.00205154 Jy ! Total flux subtracted in 200 components = 0.00205154 Jy ! Clean residual min=-0.001891 max=0.001306 Jy/beam ! Clean residual mean=0.000000 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.161874 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 129 components and 0.161874 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=0.055585Jy sigma=1.212320 ! Fit after self-cal, rms=0.055608Jy sigma=1.212031 ! 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=0.055608Jy sigma=1.212031 ! Fit after self-cal, rms=0.055774Jy sigma=1.209455 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9116 mas, bmaj=1.786 mas, bpa=-2.02 degrees ! Estimated noise=0.16169 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000333887 Jy ! Component: 100 - total flux cleaned = 0.000301066 Jy ! Component: 150 - total flux cleaned = 0.000300433 Jy ! Component: 200 - total flux cleaned = 0.000298978 Jy ! Total flux subtracted in 200 components = 0.000298978 Jy ! Clean residual min=-0.001798 max=0.001165 Jy/beam ! Clean residual mean=0.000000 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.162173 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 143 components and 0.162173 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=0.055736Jy sigma=1.208613 ! Fit after self-cal, rms=0.055745Jy sigma=1.208541 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 = 2.71343e-05 Jy ! Component: 100 - total flux cleaned = -2.34698e-05 Jy ! Component: 150 - total flux cleaned = 1.04145e-06 Jy ! Component: 200 - total flux cleaned = -2.16524e-05 Jy ! Total flux subtracted in 200 components = -2.16524e-05 Jy ! Clean residual min=-0.001774 max=0.001144 Jy/beam ! Clean residual mean=0.000000 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.162151 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 151 components and 0.162151 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=0.055724Jy sigma=1.208108 ! Fit after self-cal, rms=0.055722Jy sigma=1.208057 ! 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=0.055722Jy sigma=1.208057 ! Fit after self-cal, rms=0.055670Jy sigma=1.207944 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9105 mas, bmaj=1.785 mas, bpa=-1.931 degrees ! Estimated noise=0.16151 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0003817 Jy ! Component: 100 - total flux cleaned = -0.000430311 Jy ! Component: 150 - total flux cleaned = -0.000452694 Jy ! Component: 200 - total flux cleaned = -0.000430649 Jy ! Total flux subtracted in 200 components = -0.000430649 Jy ! Clean residual min=-0.001670 max=0.001111 Jy/beam ! Clean residual mean=0.000000 rms=0.000239 Jy/beam ! Combined flux in latest and established models = 0.161721 Jy selfcal ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 160 components and 0.161721 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=0.055650Jy sigma=1.207539 ! Fit after self-cal, rms=0.055652Jy sigma=1.207528 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 = 2.18023e-05 Jy ! Component: 100 - total flux cleaned = 2.09371e-05 Jy ! Component: 150 - total flux cleaned = 9.15952e-07 Jy ! Component: 200 - total flux cleaned = 1.67669e-06 Jy ! Total flux subtracted in 200 components = 1.67669e-06 Jy ! Clean residual min=-0.001642 max=0.001091 Jy/beam ! Clean residual mean=0.000000 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.161722 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 166 components and 0.161722 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=0.055639Jy sigma=1.207256 ! Fit after self-cal, rms=0.055639Jy sigma=1.207252 ! 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=0.055639Jy sigma=1.207252 ! Fit after self-cal, rms=0.055557Jy sigma=1.207198 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.104 mas, bmaj=2.784 mas, bpa=-1.445 degrees ! Estimated noise=0.203054 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000339579 Jy ! Component: 100 - total flux cleaned = -0.0003575 Jy ! Component: 150 - total flux cleaned = -0.000374449 Jy ! Component: 200 - total flux cleaned = -0.000427507 Jy ! Total flux subtracted in 200 components = -0.000427507 Jy ! Clean residual min=-0.000952 max=0.000972 Jy/beam ! Clean residual mean=0.000001 rms=0.000253 Jy/beam ! Combined flux in latest and established models = 0.161295 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 182 components and 0.161295 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=0.055551Jy sigma=1.207060 ! Fit after self-cal, rms=0.055551Jy sigma=1.207039 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 = -1.85082e-05 Jy ! Component: 100 - total flux cleaned = -4.17048e-05 Jy ! Component: 150 - total flux cleaned = -8.52547e-05 Jy ! Component: 200 - total flux cleaned = -0.000125545 Jy ! Total flux subtracted in 200 components = -0.000125545 Jy ! Clean residual min=-0.000942 max=0.000935 Jy/beam ! Clean residual mean=0.000001 rms=0.000248 Jy/beam ! Combined flux in latest and established models = 0.161169 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 190 components and 0.161169 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=0.055548Jy sigma=1.206974 ! Fit after self-cal, rms=0.055547Jy sigma=1.206954 ! 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=0.9095 mas, bmaj=1.783 mas, bpa=-1.828 degrees ! Estimated noise=0.161307 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9095 x 1.783 at -1.828 degrees (North through East) ! Clean map min=-0.0011162 max=0.080721 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=0.7199 mas, bmaj=1.463 mas, bpa=-1.615 degrees ! Estimated noise=0.326302 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0642358 Jy ! Component: 100 - total flux cleaned = 0.0887351 Jy ! Component: 150 - total flux cleaned = 0.103152 Jy ! Component: 200 - total flux cleaned = 0.112552 Jy ! Total flux subtracted in 200 components = 0.112552 Jy ! Clean residual min=-0.002957 max=0.005157 Jy/beam ! Clean residual mean=0.000004 rms=0.000724 Jy/beam ! Combined flux in latest and established models = 0.112552 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.112552 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9095 mas, bmaj=1.783 mas, bpa=-1.828 degrees ! Estimated noise=0.161307 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 = 0.00920205 Jy ! Component: 100 - total flux cleaned = 0.0156384 Jy ! Component: 150 - total flux cleaned = 0.0206218 Jy ! Component: 200 - total flux cleaned = 0.0246049 Jy ! Total flux subtracted in 200 components = 0.0246049 Jy ! Clean residual min=-0.001862 max=0.002505 Jy/beam ! Clean residual mean=0.000004 rms=0.000501 Jy/beam ! Combined flux in latest and established models = 0.137157 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 50 components and 0.137157 Jy ! Inverting map ! Added new window around map position (0.4, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0033251 Jy ! Component: 100 - total flux cleaned = 0.00569279 Jy ! Component: 150 - total flux cleaned = 0.00764945 Jy ! Component: 200 - total flux cleaned = 0.00929704 Jy ! Total flux subtracted in 200 components = 0.00929704 Jy ! Clean residual min=-0.001462 max=0.001587 Jy/beam ! Clean residual mean=0.000003 rms=0.000353 Jy/beam ! Combined flux in latest and established models = 0.146454 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 81 components and 0.146454 Jy ! Inverting map ! Added new window around map position (2.4, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00165589 Jy ! Component: 100 - total flux cleaned = 0.00297021 Jy ! Component: 150 - total flux cleaned = 0.00421917 Jy ! Component: 200 - total flux cleaned = 0.00524611 Jy ! Total flux subtracted in 200 components = 0.00524611 Jy ! Clean residual min=-0.001284 max=0.001153 Jy/beam ! Clean residual mean=0.000002 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.1517 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 105 components and 0.1517 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=2.104 mas, bmaj=2.784 mas, bpa=-1.445 degrees ! Estimated noise=0.203054 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00198085 Jy ! Component: 100 - total flux cleaned = 0.00341429 Jy ! Component: 150 - total flux cleaned = 0.00453561 Jy ! Component: 200 - total flux cleaned = 0.00544708 Jy ! Total flux subtracted in 200 components = 0.00544708 Jy ! Clean residual min=-0.000949 max=0.000890 Jy/beam ! Clean residual mean=0.000002 rms=0.000278 Jy/beam ! Combined flux in latest and established models = 0.157147 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 = 0.000751861 Jy ! Component: 100 - total flux cleaned = 0.00123482 Jy ! Component: 150 - total flux cleaned = 0.00152516 Jy ! Component: 200 - total flux cleaned = 0.0017856 Jy ! Total flux subtracted in 200 components = 0.0017856 Jy ! Clean residual min=-0.000936 max=0.000849 Jy/beam ! Clean residual mean=0.000001 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.158933 Jy ! Adding 75 model components to the UV plane model. ! The established model now contains 165 components and 0.158933 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9095 mas, bmaj=1.783 mas, bpa=-1.828 degrees ! Estimated noise=0.161307 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000207316 Jy ! Component: 100 - total flux cleaned = 1.84585e-05 Jy ! Component: 150 - total flux cleaned = 0.000123452 Jy ! Component: 200 - total flux cleaned = 0.000220013 Jy ! Total flux subtracted in 200 components = 0.000220013 Jy ! Clean residual min=-0.000989 max=0.000961 Jy/beam ! Clean residual mean=0.000001 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.159153 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 185 components and 0.159153 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=0.055548Jy sigma=1.207042 ! Fit after self-cal, rms=0.055540Jy sigma=1.206845 wmodel J2023+2223_X_map.mod ! Writing 185 model components to file: J2023+2223_X_map.mod wobs J2023+2223_X_uvs.fits ! Writing UV FITS file: J2023+2223_X_uvs.fits wwins J2023+2223_X_map.win ! wwins: Wrote 8 windows to J2023+2223_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 = -0.000276646 Jy ! Component: 100 - total flux cleaned = -0.000414645 Jy ! Component: 150 - total flux cleaned = -0.000547021 Jy ! Component: 200 - total flux cleaned = -0.000610919 Jy ! Component: 250 - total flux cleaned = -0.000657496 Jy ! Component: 300 - total flux cleaned = -0.000672822 Jy ! Component: 350 - total flux cleaned = -0.000687796 Jy ! Component: 400 - total flux cleaned = -0.000702382 Jy ! Component: 450 - total flux cleaned = -0.000716682 Jy ! Component: 500 - total flux cleaned = -0.000674876 Jy ! Component: 550 - total flux cleaned = -0.000647464 Jy ! Component: 600 - total flux cleaned = -0.000593282 Jy ! Component: 650 - total flux cleaned = -0.000579567 Jy ! Component: 700 - total flux cleaned = -0.000526581 Jy ! Component: 750 - total flux cleaned = -0.000487667 Jy ! Component: 800 - total flux cleaned = -0.000449488 Jy ! Component: 850 - total flux cleaned = -0.000436902 Jy ! Component: 900 - total flux cleaned = -0.000411842 Jy ! Component: 950 - total flux cleaned = -0.000362396 Jy ! Component: 1000 - total flux cleaned = -0.000350076 Jy ! Component: 1050 - total flux cleaned = -0.000301619 Jy ! Component: 1100 - total flux cleaned = -0.000265882 Jy ! Component: 1150 - total flux cleaned = -0.000230349 Jy ! Component: 1200 - total flux cleaned = -0.000195371 Jy ! Component: 1250 - total flux cleaned = -0.000195359 Jy ! Component: 1300 - total flux cleaned = -0.000195324 Jy ! Component: 1350 - total flux cleaned = -0.000195284 Jy ! Component: 1400 - total flux cleaned = -0.000150596 Jy ! Component: 1450 - total flux cleaned = -0.000139367 Jy ! Component: 1500 - total flux cleaned = -0.000172432 Jy ! Component: 1550 - total flux cleaned = -0.000215919 Jy ! Component: 1600 - total flux cleaned = -0.000161721 Jy ! Component: 1650 - total flux cleaned = -0.000172537 Jy ! Component: 1700 - total flux cleaned = -0.000193672 Jy ! Component: 1750 - total flux cleaned = -0.000182981 Jy ! Component: 1800 - total flux cleaned = -0.000183036 Jy ! Component: 1850 - total flux cleaned = -0.00020393 Jy ! Component: 1900 - total flux cleaned = -0.000183437 Jy ! Component: 1950 - total flux cleaned = -0.000224348 Jy ! Component: 2000 - total flux cleaned = -0.000254727 Jy ! Component: 2050 - total flux cleaned = -0.000264843 Jy ! Component: 2100 - total flux cleaned = -0.00028489 Jy ! Component: 2150 - total flux cleaned = -0.000284753 Jy ! Component: 2200 - total flux cleaned = -0.000294522 Jy ! Component: 2250 - total flux cleaned = -0.000284884 Jy ! Component: 2300 - total flux cleaned = -0.000304273 Jy ! Component: 2350 - total flux cleaned = -0.000323467 Jy ! Component: 2400 - total flux cleaned = -0.000323458 Jy ! Component: 2450 - total flux cleaned = -0.000333012 Jy ! Component: 2500 - total flux cleaned = -0.000352016 Jy ! Component: 2550 - total flux cleaned = -0.000351973 Jy ! Component: 2600 - total flux cleaned = -0.000398493 Jy ! Component: 2650 - total flux cleaned = -0.000389207 Jy ! Component: 2700 - total flux cleaned = -0.000389209 Jy ! Component: 2750 - total flux cleaned = -0.00038917 Jy ! Component: 2800 - total flux cleaned = -0.000325639 Jy ! Component: 2850 - total flux cleaned = -0.00038874 Jy ! Component: 2900 - total flux cleaned = -0.000370726 Jy ! Component: 2950 - total flux cleaned = -0.000424221 Jy ! Component: 3000 - total flux cleaned = -0.000406558 Jy ! Component: 3050 - total flux cleaned = -0.000397609 Jy ! Component: 3100 - total flux cleaned = -0.000380144 Jy ! Component: 3150 - total flux cleaned = -0.000440931 Jy ! Component: 3200 - total flux cleaned = -0.000406446 Jy ! Component: 3250 - total flux cleaned = -0.000457966 Jy ! Component: 3300 - total flux cleaned = -0.000406769 Jy ! Component: 3350 - total flux cleaned = -0.000449206 Jy ! Component: 3400 - total flux cleaned = -0.000440716 Jy ! Component: 3450 - total flux cleaned = -0.000423931 Jy ! Component: 3500 - total flux cleaned = -0.000448919 Jy ! Component: 3550 - total flux cleaned = -0.000440608 Jy ! Component: 3600 - total flux cleaned = -0.000415816 Jy ! Component: 3650 - total flux cleaned = -0.000440385 Jy ! Component: 3700 - total flux cleaned = -0.00041596 Jy ! Component: 3750 - total flux cleaned = -0.000440332 Jy ! Component: 3800 - total flux cleaned = -0.000448434 Jy ! Component: 3850 - total flux cleaned = -0.000448463 Jy ! Component: 3900 - total flux cleaned = -0.000464429 Jy ! Component: 3950 - total flux cleaned = -0.000464423 Jy ! Component: 4000 - total flux cleaned = -0.000456585 Jy ! Component: 4050 - total flux cleaned = -0.000432972 Jy ! Total flux subtracted in 4096 components = -0.000464298 Jy ! Clean residual min=-0.000569 max=0.000496 Jy/beam ! Clean residual mean=0.000000 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.158689 Jy keep ! Adding 311 model components to the UV plane model. ! The established model now contains 496 components and 0.158689 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2023+2223_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9095 x 1.783 at -1.828 degrees (North through East) ! Clean map min=-0.001488 max=0.080317 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2023+2223_X_map.fits wmodel /vlbi/uf001/uva//J2023+2223_X_map.mod ! Writing 496 model components to file: /vlbi/uf001/uva//J2023+2223_X_map.mod wobs /vlbi/uf001/uva//J2023+2223_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2023+2223_X_uvs.fits wwins /vlbi/uf001/uva//J2023+2223_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J2023+2223_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0803173 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000135049 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.504432 0.504432 1.00886 2.01773 4.03545 8.07091 16.1418 32.2836 64.5673 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.08 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 594.728 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2023+2223_X_dfm.log closed on Mon Jan 14 05:28:28 2019