! Started logfile: /vlbi/uf001/uva//J1938-1749_X_dfm.log on Mon Jan 14 05:10:56 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//J1938-1749_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1938-1749_X_uva.fits ! AN table 1: 14 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.961905 visibilities/baseline/integration-bin. ! Found source: J1938-1749 ! ! 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 7272 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 J1938-1749_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 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 23 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.007338Jy sigma=22.140280 ! Fit after self-cal, rms=0.840060Jy sigma=18.452908 ! 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=0.6303 mas, bmaj=1.756 mas, bpa=-10.28 degrees ! Estimated noise=0.669087 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 = 0.124184 Jy ! Component: 100 - total flux cleaned = 0.151351 Jy ! Total flux subtracted in 100 components = 0.151351 Jy ! Clean residual min=-0.007417 max=0.011536 Jy/beam ! Clean residual mean=-0.000019 rms=0.001712 Jy/beam ! Combined flux in latest and established models = 0.151351 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.151351 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=0.061480Jy sigma=1.300799 ! Fit after self-cal, rms=0.061471Jy sigma=1.300659 ! Inverting map ! Added new window around map position (1.4, 4.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0106131 Jy ! Component: 100 - total flux cleaned = 0.0163544 Jy ! Total flux subtracted in 100 components = 0.0163544 Jy ! Clean residual min=-0.006705 max=0.008015 Jy/beam ! Clean residual mean=-0.000011 rms=0.001364 Jy/beam ! Combined flux in latest and established models = 0.167705 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.167705 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=0.059670Jy sigma=1.258634 ! Fit after self-cal, rms=0.059525Jy sigma=1.255323 ! 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=0.8235 mas, bmaj=2.067 mas, bpa=-7.838 degrees ! Estimated noise=0.414062 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 = 0.00542464 Jy ! Component: 100 - total flux cleaned = 0.00802509 Jy ! Component: 150 - total flux cleaned = 0.00907847 Jy ! Component: 200 - total flux cleaned = 0.00991469 Jy ! Total flux subtracted in 200 components = 0.00991469 Jy ! Clean residual min=-0.005741 max=0.006334 Jy/beam ! Clean residual mean=-0.000013 rms=0.001327 Jy/beam ! Combined flux in latest and established models = 0.17762 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 37 components and 0.17762 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=0.058986Jy sigma=1.242164 ! Fit after self-cal, rms=0.058976Jy sigma=1.241897 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8235 x 2.067 at -7.838 degrees (North through East) ! Clean map min=-0.0053885 max=0.15846 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.94 KP 0.99 ! LA 1.00 MK 1.04 NL 1.14 OV 0.91 ! PT 0.89 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 1.04 KP 1.04 ! LA 1.01 MK 1.03 NL 1.09 OV 0.90 ! PT 0.90 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.03 HN 0.98 KP 1.02 ! LA 0.99 MK 0.99 NL 1.05 OV 0.95 ! PT 0.88 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.05 HN 1.01 KP 0.99 ! LA 1.03 MK 1.02 NL 1.07 OV 0.93 ! PT 0.88 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 0.98 KP 1.06 ! LA 1.00 MK 1.03 NL 1.06 OV 0.91 ! PT 0.89 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.05 HN 0.99 KP 0.97 ! LA 1.00 MK 1.01 NL 1.04 OV 0.93 ! PT 0.90 SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.02 HN 0.98 KP 1.03 ! LA 0.97 MK 1.03 NL 1.05 OV 0.96 ! PT 0.90 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.02 HN 0.97 KP 1.04 ! LA 0.99 MK 0.96 NL 1.09 OV 0.95 ! PT 0.89 SC 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 1.04 KP 1.00 ! LA 0.97 MK 0.98 NL 1.08 OV 0.93 ! PT 0.93 SC 1.05 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 1.11 KP 1.03 ! LA 0.98 MK 1.02 NL 1.07 OV 0.90 ! PT 0.88 SC 1.01 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.03 HN 1.03 KP 1.05 ! LA 1.01 MK 0.98 NL 1.06 OV 0.92 ! PT 0.87 SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.07 HN 1.01 KP 1.02 ! LA 0.98 MK 1.01 NL 1.10 OV 0.91 ! PT 0.90 SC 1.06 ! ! ! Fit before self-cal, rms=0.058976Jy sigma=1.241897 ! Fit after self-cal, rms=0.057742Jy sigma=1.202732 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8261 mas, bmaj=2.083 mas, bpa=-7.728 degrees ! Estimated noise=0.414703 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 = -0.00291251 Jy ! Component: 100 - total flux cleaned = -0.0034238 Jy ! Component: 150 - total flux cleaned = -0.00369687 Jy ! Component: 200 - total flux cleaned = -0.00392288 Jy ! Total flux subtracted in 200 components = -0.00392288 Jy ! Clean residual min=-0.002330 max=0.002199 Jy/beam ! Clean residual mean=-0.000006 rms=0.000601 Jy/beam ! Combined flux in latest and established models = 0.173697 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 49 components and 0.173697 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=0.057598Jy sigma=1.199603 ! Fit after self-cal, rms=0.057624Jy sigma=1.199036 ! 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=0.057624Jy sigma=1.199036 ! Fit after self-cal, rms=0.057579Jy sigma=1.198315 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8255 mas, bmaj=2.085 mas, bpa=-7.715 degrees ! Estimated noise=0.414534 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00152528 Jy ! Component: 100 - total flux cleaned = -0.0016565 Jy ! Component: 150 - total flux cleaned = -0.00171721 Jy ! Component: 200 - total flux cleaned = -0.00176721 Jy ! Total flux subtracted in 200 components = -0.00176721 Jy ! Clean residual min=-0.002176 max=0.002062 Jy/beam ! Clean residual mean=-0.000005 rms=0.000543 Jy/beam ! Combined flux in latest and established models = 0.17193 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 52 components and 0.17193 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=0.057536Jy sigma=1.197397 ! Fit after self-cal, rms=0.057529Jy sigma=1.197228 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 = -0.000423904 Jy ! Component: 100 - total flux cleaned = -0.000486689 Jy ! Component: 150 - total flux cleaned = -0.00052709 Jy ! Component: 200 - total flux cleaned = -0.000564026 Jy ! Total flux subtracted in 200 components = -0.000564026 Jy ! Clean residual min=-0.002164 max=0.002032 Jy/beam ! Clean residual mean=-0.000006 rms=0.000531 Jy/beam ! Combined flux in latest and established models = 0.171366 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 56 components and 0.171366 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=0.057519Jy sigma=1.197047 ! Fit after self-cal, rms=0.057517Jy sigma=1.197025 ! 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=0.057517Jy sigma=1.197025 ! Fit after self-cal, rms=0.057489Jy sigma=1.196648 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8249 mas, bmaj=2.086 mas, bpa=-7.694 degrees ! Estimated noise=0.414334 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000836087 Jy ! Component: 100 - total flux cleaned = -0.00083745 Jy ! Component: 150 - total flux cleaned = -0.000811642 Jy ! Component: 200 - total flux cleaned = -0.000811894 Jy ! Total flux subtracted in 200 components = -0.000811894 Jy ! Clean residual min=-0.002076 max=0.002014 Jy/beam ! Clean residual mean=-0.000005 rms=0.000509 Jy/beam ! Combined flux in latest and established models = 0.170554 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 57 components and 0.170554 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=0.057474Jy sigma=1.196330 ! Fit after self-cal, rms=0.057472Jy sigma=1.196279 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 = -0.000212455 Jy ! Component: 100 - total flux cleaned = -0.000225166 Jy ! Component: 150 - total flux cleaned = -0.000235957 Jy ! Component: 200 - total flux cleaned = -0.000256859 Jy ! Total flux subtracted in 200 components = -0.000256859 Jy ! Clean residual min=-0.002079 max=0.001999 Jy/beam ! Clean residual mean=-0.000005 rms=0.000504 Jy/beam ! Combined flux in latest and established models = 0.170297 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 61 components and 0.170297 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=0.057467Jy sigma=1.196177 ! Fit after self-cal, rms=0.057466Jy sigma=1.196165 ! 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=0.057466Jy sigma=1.196165 ! Fit after self-cal, rms=0.057441Jy sigma=1.196051 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.182 mas, bmaj=4.424 mas, bpa=-6.517 degrees ! Estimated noise=0.539752 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000521834 Jy ! Component: 100 - total flux cleaned = -0.00056612 Jy ! Component: 150 - total flux cleaned = -0.000577198 Jy ! Component: 200 - total flux cleaned = -0.000567579 Jy ! Total flux subtracted in 200 components = -0.000567579 Jy ! Clean residual min=-0.002222 max=0.002808 Jy/beam ! Clean residual mean=-0.000010 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 0.16973 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 69 components and 0.16973 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=0.057438Jy sigma=1.196000 ! Fit after self-cal, rms=0.057438Jy sigma=1.195977 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 = -0.000112273 Jy ! Component: 100 - total flux cleaned = -0.000142476 Jy ! Component: 150 - total flux cleaned = -0.00013478 Jy ! Component: 200 - total flux cleaned = -0.000127455 Jy ! Total flux subtracted in 200 components = -0.000127455 Jy ! Clean residual min=-0.002193 max=0.002815 Jy/beam ! Clean residual mean=-0.000010 rms=0.000771 Jy/beam ! Combined flux in latest and established models = 0.169602 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 71 components and 0.169602 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=0.057439Jy sigma=1.195999 ! Fit after self-cal, rms=0.057438Jy sigma=1.195990 ! 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=0.8245 mas, bmaj=2.086 mas, bpa=-7.688 degrees ! Estimated noise=0.41408 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8245 x 2.086 at -7.688 degrees (North through East) ! Clean map min=-0.0021157 max=0.15955 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=0.6301 mas, bmaj=1.766 mas, bpa=-10.03 degrees ! Estimated noise=0.670911 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.124488 Jy ! Component: 100 - total flux cleaned = 0.15184 Jy ! Component: 150 - total flux cleaned = 0.159517 Jy ! Component: 200 - total flux cleaned = 0.163832 Jy ! Total flux subtracted in 200 components = 0.163832 Jy ! Clean residual min=-0.003546 max=0.003455 Jy/beam ! Clean residual mean=-0.000006 rms=0.000878 Jy/beam ! Combined flux in latest and established models = 0.163832 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.163832 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8245 mas, bmaj=2.086 mas, bpa=-7.688 degrees ! Estimated noise=0.41408 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 = 0.00363547 Jy ! Component: 100 - total flux cleaned = 0.00455344 Jy ! Component: 150 - total flux cleaned = 0.00491041 Jy ! Component: 200 - total flux cleaned = 0.00511552 Jy ! Total flux subtracted in 200 components = 0.00511552 Jy ! Clean residual min=-0.002114 max=0.001997 Jy/beam ! Clean residual mean=-0.000006 rms=0.000512 Jy/beam ! Combined flux in latest and established models = 0.168948 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 37 components and 0.168948 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=2.182 mas, bmaj=4.424 mas, bpa=-6.517 degrees ! Estimated noise=0.539752 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000471634 Jy ! Component: 100 - total flux cleaned = 0.000542201 Jy ! Component: 150 - total flux cleaned = 0.000526804 Jy ! Component: 200 - total flux cleaned = 0.000553975 Jy ! Total flux subtracted in 200 components = 0.000553975 Jy ! Clean residual min=-0.002156 max=0.002824 Jy/beam ! Clean residual mean=-0.000011 rms=0.000774 Jy/beam ! Combined flux in latest and established models = 0.169502 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 = 2.37054e-05 Jy ! Component: 100 - total flux cleaned = 4.532e-05 Jy ! Component: 150 - total flux cleaned = 5.49344e-05 Jy ! Component: 200 - total flux cleaned = 7.24566e-05 Jy ! Total flux subtracted in 200 components = 7.24566e-05 Jy ! Clean residual min=-0.002178 max=0.002819 Jy/beam ! Clean residual mean=-0.000011 rms=0.000771 Jy/beam ! Combined flux in latest and established models = 0.169574 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 50 components and 0.169574 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8245 mas, bmaj=2.086 mas, bpa=-7.688 degrees ! Estimated noise=0.41408 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.13678e-05 Jy ! Component: 100 - total flux cleaned = 2.50696e-05 Jy ! Component: 150 - total flux cleaned = -1.2455e-05 Jy ! Component: 200 - total flux cleaned = -2.88265e-05 Jy ! Total flux subtracted in 200 components = -2.88265e-05 Jy ! Clean residual min=-0.002038 max=0.001965 Jy/beam ! Clean residual mean=-0.000005 rms=0.000493 Jy/beam ! Combined flux in latest and established models = 0.169545 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 56 components and 0.169545 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=0.057438Jy sigma=1.195900 ! Fit after self-cal, rms=0.057432Jy sigma=1.195863 wmodel J1938-1749_X_map.mod ! Writing 56 model components to file: J1938-1749_X_map.mod wobs J1938-1749_X_uvs.fits ! Writing UV FITS file: J1938-1749_X_uvs.fits wwins J1938-1749_X_map.win ! wwins: Wrote 2 windows to J1938-1749_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 = 0.000364154 Jy ! Component: 100 - total flux cleaned = 0.000872272 Jy ! Component: 150 - total flux cleaned = 0.00119169 Jy ! Component: 200 - total flux cleaned = 0.00149339 Jy ! Component: 250 - total flux cleaned = 0.0016933 Jy ! Component: 300 - total flux cleaned = 0.00177506 Jy ! Component: 350 - total flux cleaned = 0.00169711 Jy ! Component: 400 - total flux cleaned = 0.00167283 Jy ! Component: 450 - total flux cleaned = 0.00172177 Jy ! Component: 500 - total flux cleaned = 0.00172176 Jy ! Component: 550 - total flux cleaned = 0.0017456 Jy ! Component: 600 - total flux cleaned = 0.00172361 Jy ! Component: 650 - total flux cleaned = 0.00176815 Jy ! Component: 700 - total flux cleaned = 0.00176858 Jy ! Component: 750 - total flux cleaned = 0.00176885 Jy ! Component: 800 - total flux cleaned = 0.00185118 Jy ! Component: 850 - total flux cleaned = 0.00183067 Jy ! Component: 900 - total flux cleaned = 0.0018698 Jy ! Component: 950 - total flux cleaned = 0.00186982 Jy ! Component: 1000 - total flux cleaned = 0.00188903 Jy ! Component: 1050 - total flux cleaned = 0.00192638 Jy ! Component: 1100 - total flux cleaned = 0.00192612 Jy ! Component: 1150 - total flux cleaned = 0.00196227 Jy ! Component: 1200 - total flux cleaned = 0.00196228 Jy ! Component: 1250 - total flux cleaned = 0.00197978 Jy ! Component: 1300 - total flux cleaned = 0.00197984 Jy ! Component: 1350 - total flux cleaned = 0.00201404 Jy ! Component: 1400 - total flux cleaned = 0.00199702 Jy ! Component: 1450 - total flux cleaned = 0.00204745 Jy ! Component: 1500 - total flux cleaned = 0.00206411 Jy ! Component: 1550 - total flux cleaned = 0.00204768 Jy ! Component: 1600 - total flux cleaned = 0.00212857 Jy ! Component: 1650 - total flux cleaned = 0.0021128 Jy ! Component: 1700 - total flux cleaned = 0.00212834 Jy ! Component: 1750 - total flux cleaned = 0.00217497 Jy ! Component: 1800 - total flux cleaned = 0.00222089 Jy ! Component: 1850 - total flux cleaned = 0.00220552 Jy ! Component: 1900 - total flux cleaned = 0.00225092 Jy ! Component: 1950 - total flux cleaned = 0.00225074 Jy ! Component: 2000 - total flux cleaned = 0.00223599 Jy ! Component: 2050 - total flux cleaned = 0.00226522 Jy ! Component: 2100 - total flux cleaned = 0.0023086 Jy ! Component: 2150 - total flux cleaned = 0.00233705 Jy ! Component: 2200 - total flux cleaned = 0.00228025 Jy ! Component: 2250 - total flux cleaned = 0.00230841 Jy ! Component: 2300 - total flux cleaned = 0.00235014 Jy ! Component: 2350 - total flux cleaned = 0.00232263 Jy ! Component: 2400 - total flux cleaned = 0.00236365 Jy ! Component: 2450 - total flux cleaned = 0.00243149 Jy ! Component: 2500 - total flux cleaned = 0.00247189 Jy ! Component: 2550 - total flux cleaned = 0.00253842 Jy ! Component: 2600 - total flux cleaned = 0.0025119 Jy ! Component: 2650 - total flux cleaned = 0.00255131 Jy ! Component: 2700 - total flux cleaned = 0.00259044 Jy ! Component: 2750 - total flux cleaned = 0.00265473 Jy ! Component: 2800 - total flux cleaned = 0.00261637 Jy ! Component: 2850 - total flux cleaned = 0.00269227 Jy ! Component: 2900 - total flux cleaned = 0.00274248 Jy ! Component: 2950 - total flux cleaned = 0.0027549 Jy ! Component: 3000 - total flux cleaned = 0.0028415 Jy ! Component: 3050 - total flux cleaned = 0.002866 Jy ! Component: 3100 - total flux cleaned = 0.00296334 Jy ! Component: 3150 - total flux cleaned = 0.00301163 Jy ! Component: 3200 - total flux cleaned = 0.00308374 Jy ! Component: 3250 - total flux cleaned = 0.00311959 Jy ! Component: 3300 - total flux cleaned = 0.00324991 Jy ! Component: 3350 - total flux cleaned = 0.00334401 Jy ! Component: 3400 - total flux cleaned = 0.00340255 Jy ! Component: 3450 - total flux cleaned = 0.00351883 Jy ! Component: 3500 - total flux cleaned = 0.00362286 Jy ! Component: 3550 - total flux cleaned = 0.0037146 Jy ! Component: 3600 - total flux cleaned = 0.00381729 Jy ! Component: 3650 - total flux cleaned = 0.00393074 Jy ! Component: 3700 - total flux cleaned = 0.00404354 Jy ! Component: 3750 - total flux cleaned = 0.00420064 Jy ! Component: 3800 - total flux cleaned = 0.00433466 Jy ! Component: 3850 - total flux cleaned = 0.0044347 Jy ! Component: 3900 - total flux cleaned = 0.0046006 Jy ! Component: 3950 - total flux cleaned = 0.00471065 Jy ! Component: 4000 - total flux cleaned = 0.00484205 Jy ! Component: 4050 - total flux cleaned = 0.00497279 Jy ! Total flux subtracted in 4096 components = 0.00510304 Jy ! Clean residual min=-0.000609 max=0.000790 Jy/beam ! Clean residual mean=-0.000000 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.174648 Jy keep ! Adding 265 model components to the UV plane model. ! The established model now contains 321 components and 0.174648 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1938-1749_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8245 x 2.086 at -7.688 degrees (North through East) ! Clean map min=-0.0014945 max=0.16061 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1938-1749_X_map.fits wmodel /vlbi/uf001/uva//J1938-1749_X_map.mod ! Writing 321 model components to file: /vlbi/uf001/uva//J1938-1749_X_map.mod wobs /vlbi/uf001/uva//J1938-1749_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1938-1749_X_uvs.fits wwins /vlbi/uf001/uva//J1938-1749_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J1938-1749_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.160608 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000169106 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.315873 0.315873 0.631747 1.26349 2.52699 5.05397 10.1079 20.2159 40.4318 80.8636 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.16 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 949.748 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1938-1749_X_dfm.log closed on Mon Jan 14 05:11:00 2019