! Started logfile: /vlbi/uf001/uva//J0457-1819_X_dfm.log on Sun Jan 13 22:23:35 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//J0457-1819_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0457-1819_X_uva.fits ! AN table 1: 98 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.626984 visibilities/baseline/integration-bin. ! Found source: J0457-1819 ! ! 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 33180 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 J0457-1819_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 288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 288 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006542Jy sigma=22.511873 ! Fit after self-cal, rms=0.914711Jy sigma=20.416155 ! 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=0.6369 mas, bmaj=1.627 mas, bpa=-4.21 degrees ! Estimated noise=0.322122 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 = 0.06795 Jy ! Component: 100 - total flux cleaned = 0.0827825 Jy ! Total flux subtracted in 100 components = 0.0827825 Jy ! Clean residual min=-0.002603 max=0.004318 Jy/beam ! Clean residual mean=0.000000 rms=0.000631 Jy/beam ! Combined flux in latest and established models = 0.0827825 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.0827825 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=0.061825Jy sigma=1.299427 ! Fit after self-cal, rms=0.061598Jy sigma=1.295631 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00405813 Jy ! Component: 100 - total flux cleaned = 0.00602432 Jy ! Total flux subtracted in 100 components = 0.00602432 Jy ! Clean residual min=-0.002533 max=0.003284 Jy/beam ! Clean residual mean=-0.000001 rms=0.000573 Jy/beam ! Combined flux in latest and established models = 0.0888068 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 13 components and 0.0888068 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=0.061361Jy sigma=1.286699 ! Fit after self-cal, rms=0.061364Jy sigma=1.286626 ! 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=0.8203 mas, bmaj=2.007 mas, bpa=-4.081 degrees ! Estimated noise=0.178612 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 (-1.6, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00374714 Jy ! Component: 100 - total flux cleaned = 0.00544063 Jy ! Component: 150 - total flux cleaned = 0.00601544 Jy ! Component: 200 - total flux cleaned = 0.00623949 Jy ! Total flux subtracted in 200 components = 0.00623949 Jy ! Clean residual min=-0.002598 max=0.003270 Jy/beam ! Clean residual mean=-0.000001 rms=0.000477 Jy/beam ! Combined flux in latest and established models = 0.0950463 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 35 components and 0.0950463 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=0.061164Jy sigma=1.281156 ! Fit after self-cal, rms=0.061131Jy sigma=1.280072 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8203 x 2.007 at -4.081 degrees (North through East) ! Clean map min=-0.0018996 max=0.087188 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.03 HN 0.99 KP 1.03 ! LA 0.93 MK 1.00 NL 1.16 OV 0.92 ! PT 1.01 SC 0.98 ! ! ! Correcting IF 2. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.99 HN 0.99 KP 1.05 ! LA 0.91 MK 1.03 NL 1.17 OV 0.91 ! PT 0.98 SC 0.97 ! ! ! Correcting IF 3. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.03 HN 0.96 KP 1.02 ! LA 0.91 MK 1.03 NL 1.14 OV 0.92 ! PT 0.97 SC 0.99 ! ! ! Correcting IF 4. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.01 HN 1.00 KP 1.05 ! LA 0.93 MK 1.00 NL 1.17 OV 0.91 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 5. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.03 HN 1.00 KP 1.02 ! LA 0.90 MK 1.00 NL 1.15 OV 0.91 ! PT 0.99 SC 0.99 ! ! ! Correcting IF 6. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.05 HN 1.01 KP 1.00 ! LA 0.92 MK 1.00 NL 1.13 OV 0.91 ! PT 1.01 SC 0.97 ! ! ! Correcting IF 7. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.05 HN 1.02 KP 1.04 ! LA 0.93 MK 1.02 NL 1.16 OV 0.89 ! PT 1.01 SC 0.98 ! ! ! Correcting IF 8. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.97 KP 1.04 ! LA 0.93 MK 1.03 NL 1.12 OV 0.88 ! PT 1.00 SC 0.99 ! ! ! Correcting IF 9. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 0.99 KP 1.01 ! LA 0.90 MK 1.03 NL 1.14 OV 0.90 ! PT 0.99 SC 0.98 ! ! ! Correcting IF 10. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 0.95 KP 1.02 ! LA 0.91 MK 1.02 NL 1.17 OV 0.89 ! PT 0.97 SC 1.01 ! ! ! Correcting IF 11. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.98 KP 0.99 ! LA 0.94 MK 1.03 NL 1.16 OV 0.87 ! PT 0.97 SC 0.98 ! ! ! Correcting IF 12. ! A total of 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.98 HN 0.94 KP 1.02 ! LA 0.95 MK 0.97 NL 1.16 OV 0.91 ! PT 0.97 SC 0.98 ! ! ! Fit before self-cal, rms=0.061131Jy sigma=1.280072 ! Fit after self-cal, rms=0.061233Jy sigma=1.271736 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8178 mas, bmaj=2.009 mas, bpa=-3.902 degrees ! Estimated noise=0.179321 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 = -0.000954964 Jy ! Component: 100 - total flux cleaned = -0.0011971 Jy ! Component: 150 - total flux cleaned = -0.00128736 Jy ! Component: 200 - total flux cleaned = -0.00136869 Jy ! Total flux subtracted in 200 components = -0.00136869 Jy ! Clean residual min=-0.001219 max=0.001106 Jy/beam ! Clean residual mean=0.000002 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.0936776 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 54 components and 0.0936776 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=0.061209Jy sigma=1.271238 ! Fit after self-cal, rms=0.061296Jy sigma=1.270849 ! 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=0.061296Jy sigma=1.270849 ! Fit after self-cal, rms=0.061797Jy sigma=1.267809 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8181 mas, bmaj=2.013 mas, bpa=-3.885 degrees ! Estimated noise=0.179567 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000491621 Jy ! Component: 100 - total flux cleaned = -0.000591622 Jy ! Component: 150 - total flux cleaned = -0.000642331 Jy ! Component: 200 - total flux cleaned = -0.000672903 Jy ! Total flux subtracted in 200 components = -0.000672903 Jy ! Clean residual min=-0.001043 max=0.000973 Jy/beam ! Clean residual mean=0.000001 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.0930047 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 66 components and 0.0930047 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=0.061783Jy sigma=1.267575 ! Fit after self-cal, rms=0.061797Jy sigma=1.267514 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 = -0.000201663 Jy ! Component: 100 - total flux cleaned = -0.000229933 Jy ! Component: 150 - total flux cleaned = -0.000256227 Jy ! Component: 200 - total flux cleaned = -0.000268119 Jy ! Total flux subtracted in 200 components = -0.000268119 Jy ! Clean residual min=-0.001011 max=0.000967 Jy/beam ! Clean residual mean=0.000001 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.0927366 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 70 components and 0.0927366 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=0.061791Jy sigma=1.267407 ! Fit after self-cal, rms=0.061789Jy sigma=1.267397 ! 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=0.061789Jy sigma=1.267397 ! Fit after self-cal, rms=0.062305Jy sigma=1.266554 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8175 mas, bmaj=2.015 mas, bpa=-3.851 degrees ! Estimated noise=0.179614 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000345512 Jy ! Component: 100 - total flux cleaned = -0.000390804 Jy ! Component: 150 - total flux cleaned = -0.000403923 Jy ! Component: 200 - total flux cleaned = -0.000427215 Jy ! Total flux subtracted in 200 components = -0.000427215 Jy ! Clean residual min=-0.000949 max=0.000951 Jy/beam ! Clean residual mean=0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.0923094 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 77 components and 0.0923094 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=0.062297Jy sigma=1.266434 ! Fit after self-cal, rms=0.062308Jy sigma=1.266402 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 (46.2, 9.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000689416 Jy ! Component: 100 - total flux cleaned = 0.000693065 Jy ! Component: 150 - total flux cleaned = 0.000646105 Jy ! Component: 200 - total flux cleaned = 0.000632675 Jy ! Total flux subtracted in 200 components = 0.000632675 Jy ! Clean residual min=-0.000882 max=0.000902 Jy/beam ! Clean residual mean=0.000001 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.0929421 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 91 components and 0.0929421 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=0.062294Jy sigma=1.266114 ! Fit after self-cal, rms=0.062293Jy sigma=1.266098 ! Inverting map ! Added new window around map position (-48.2, -14.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000575428 Jy ! Component: 100 - total flux cleaned = 0.000738567 Jy ! Component: 150 - total flux cleaned = 0.000808689 Jy ! Component: 200 - total flux cleaned = 0.000821505 Jy ! Total flux subtracted in 200 components = 0.000821505 Jy ! Clean residual min=-0.000930 max=0.000812 Jy/beam ! Clean residual mean=0.000000 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.0937636 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 100 components and 0.0937636 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=0.062281Jy sigma=1.265859 ! Fit after self-cal, rms=0.062279Jy sigma=1.265844 ! 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=0.062279Jy sigma=1.265844 ! Fit after self-cal, rms=0.062382Jy sigma=1.265798 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.22 mas, bmaj=4.407 mas, bpa=1.89 degrees ! Estimated noise=0.230694 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000268827 Jy ! Component: 100 - total flux cleaned = -0.000305369 Jy ! Component: 150 - total flux cleaned = -0.000326587 Jy ! Component: 200 - total flux cleaned = -0.000352051 Jy ! Total flux subtracted in 200 components = -0.000352051 Jy ! Clean residual min=-0.000927 max=0.000973 Jy/beam ! Clean residual mean=0.000001 rms=0.000248 Jy/beam ! Combined flux in latest and established models = 0.0934115 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 109 components and 0.0934115 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=0.062379Jy sigma=1.265754 ! Fit after self-cal, rms=0.062382Jy sigma=1.265748 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 = -6.23195e-05 Jy ! Component: 100 - total flux cleaned = -7.75443e-05 Jy ! Component: 150 - total flux cleaned = -9.15219e-05 Jy ! Component: 200 - total flux cleaned = -9.1516e-05 Jy ! Total flux subtracted in 200 components = -9.1516e-05 Jy ! Clean residual min=-0.000907 max=0.000963 Jy/beam ! Clean residual mean=0.000001 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.09332 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 116 components and 0.09332 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=0.062382Jy sigma=1.265744 ! Fit after self-cal, rms=0.062382Jy sigma=1.265741 ! 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=0.8173 mas, bmaj=2.015 mas, bpa=-3.826 degrees ! Estimated noise=0.179525 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8173 x 2.015 at -3.826 degrees (North through East) ! Clean map min=-0.00084911 max=0.087972 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=0.6354 mas, bmaj=1.633 mas, bpa=-3.898 degrees ! Estimated noise=0.324273 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0681306 Jy ! Component: 100 - total flux cleaned = 0.0831183 Jy ! Component: 150 - total flux cleaned = 0.0871439 Jy ! Component: 200 - total flux cleaned = 0.0892882 Jy ! Total flux subtracted in 200 components = 0.0892882 Jy ! Clean residual min=-0.001657 max=0.001679 Jy/beam ! Clean residual mean=0.000001 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.0892882 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.0892882 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8173 mas, bmaj=2.015 mas, bpa=-3.826 degrees ! Estimated noise=0.179525 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 = 0.00189669 Jy ! Component: 100 - total flux cleaned = 0.00298671 Jy ! Component: 150 - total flux cleaned = 0.003461 Jy ! Component: 200 - total flux cleaned = 0.00377471 Jy ! Total flux subtracted in 200 components = 0.00377471 Jy ! Clean residual min=-0.000967 max=0.000919 Jy/beam ! Clean residual mean=0.000000 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.0930629 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 34 components and 0.0930629 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=2.22 mas, bmaj=4.407 mas, bpa=1.89 degrees ! Estimated noise=0.230694 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000263378 Jy ! Component: 100 - total flux cleaned = 0.000331686 Jy ! Component: 150 - total flux cleaned = 0.000355333 Jy ! Component: 200 - total flux cleaned = 0.000398869 Jy ! Total flux subtracted in 200 components = 0.000398869 Jy ! Clean residual min=-0.000940 max=0.000979 Jy/beam ! Clean residual mean=0.000001 rms=0.000251 Jy/beam ! Combined flux in latest and established models = 0.0934618 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 = 2.97341e-05 Jy ! Component: 100 - total flux cleaned = 5.68144e-05 Jy ! Component: 150 - total flux cleaned = 6.50004e-05 Jy ! Component: 200 - total flux cleaned = 6.47857e-05 Jy ! Total flux subtracted in 200 components = 6.47857e-05 Jy ! Clean residual min=-0.000935 max=0.000982 Jy/beam ! Clean residual mean=0.000001 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.0935266 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 58 components and 0.0935266 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8173 mas, bmaj=2.015 mas, bpa=-3.826 degrees ! Estimated noise=0.179525 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.62775e-07 Jy ! Component: 100 - total flux cleaned = -2.30656e-05 Jy ! Component: 150 - total flux cleaned = -4.30311e-05 Jy ! Component: 200 - total flux cleaned = -6.12638e-05 Jy ! Total flux subtracted in 200 components = -6.12638e-05 Jy ! Clean residual min=-0.000931 max=0.000861 Jy/beam ! Clean residual mean=0.000000 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.0934653 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 74 components and 0.0934654 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=0.062393Jy sigma=1.266053 ! Fit after self-cal, rms=0.062388Jy sigma=1.266008 wmodel J0457-1819_X_map.mod ! Writing 74 model components to file: J0457-1819_X_map.mod wobs J0457-1819_X_uvs.fits ! Writing UV FITS file: J0457-1819_X_uvs.fits wwins J0457-1819_X_map.win ! wwins: Wrote 4 windows to J0457-1819_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 = -0.000235431 Jy ! Component: 100 - total flux cleaned = -0.000445463 Jy ! Component: 150 - total flux cleaned = -0.000699525 Jy ! Component: 200 - total flux cleaned = -0.00091689 Jy ! Component: 250 - total flux cleaned = -0.00110166 Jy ! Component: 300 - total flux cleaned = -0.00119199 Jy ! Component: 350 - total flux cleaned = -0.00126782 Jy ! Component: 400 - total flux cleaned = -0.00134243 Jy ! Component: 450 - total flux cleaned = -0.00142827 Jy ! Component: 500 - total flux cleaned = -0.0014887 Jy ! Component: 550 - total flux cleaned = -0.00153616 Jy ! Component: 600 - total flux cleaned = -0.00160662 Jy ! Component: 650 - total flux cleaned = -0.00164126 Jy ! Component: 700 - total flux cleaned = -0.00168667 Jy ! Component: 750 - total flux cleaned = -0.00173176 Jy ! Component: 800 - total flux cleaned = -0.00175403 Jy ! Component: 850 - total flux cleaned = -0.00182024 Jy ! Component: 900 - total flux cleaned = -0.00185274 Jy ! Component: 950 - total flux cleaned = -0.0018204 Jy ! Component: 1000 - total flux cleaned = -0.00190608 Jy ! Component: 1050 - total flux cleaned = -0.00193783 Jy ! Component: 1100 - total flux cleaned = -0.00191687 Jy ! Component: 1150 - total flux cleaned = -0.00200007 Jy ! Component: 1200 - total flux cleaned = -0.00196907 Jy ! Component: 1250 - total flux cleaned = -0.00195892 Jy ! Component: 1300 - total flux cleaned = -0.00199948 Jy ! Component: 1350 - total flux cleaned = -0.00198939 Jy ! Component: 1400 - total flux cleaned = -0.00201926 Jy ! Component: 1450 - total flux cleaned = -0.00199936 Jy ! Component: 1500 - total flux cleaned = -0.00199934 Jy ! Component: 1550 - total flux cleaned = -0.00203839 Jy ! Component: 1600 - total flux cleaned = -0.00202859 Jy ! Component: 1650 - total flux cleaned = -0.00200925 Jy ! Component: 1700 - total flux cleaned = -0.00204726 Jy ! Component: 1750 - total flux cleaned = -0.00200938 Jy ! Component: 1800 - total flux cleaned = -0.00201884 Jy ! Component: 1850 - total flux cleaned = -0.00203748 Jy ! Component: 1900 - total flux cleaned = -0.00205607 Jy ! Component: 1950 - total flux cleaned = -0.00207453 Jy ! Component: 2000 - total flux cleaned = -0.00208369 Jy ! Component: 2050 - total flux cleaned = -0.00207471 Jy ! Component: 2100 - total flux cleaned = -0.00210189 Jy ! Component: 2150 - total flux cleaned = -0.00211982 Jy ! Component: 2200 - total flux cleaned = -0.00212876 Jy ! Component: 2250 - total flux cleaned = -0.00212877 Jy ! Component: 2300 - total flux cleaned = -0.00218181 Jy ! Component: 2350 - total flux cleaned = -0.00219932 Jy ! Component: 2400 - total flux cleaned = -0.00221673 Jy ! Component: 2450 - total flux cleaned = -0.00218202 Jy ! Component: 2500 - total flux cleaned = -0.00219934 Jy ! Component: 2550 - total flux cleaned = -0.00224219 Jy ! Component: 2600 - total flux cleaned = -0.00221653 Jy ! Component: 2650 - total flux cleaned = -0.0022675 Jy ! Component: 2700 - total flux cleaned = -0.00229277 Jy ! Component: 2750 - total flux cleaned = -0.00229273 Jy ! Component: 2800 - total flux cleaned = -0.00230943 Jy ! Component: 2850 - total flux cleaned = -0.00235107 Jy ! Component: 2900 - total flux cleaned = -0.0023511 Jy ! Component: 2950 - total flux cleaned = -0.00234283 Jy ! Component: 3000 - total flux cleaned = -0.00240847 Jy ! Component: 3050 - total flux cleaned = -0.00243293 Jy ! Component: 3100 - total flux cleaned = -0.00243291 Jy ! Component: 3150 - total flux cleaned = -0.00246523 Jy ! Component: 3200 - total flux cleaned = -0.00247322 Jy ! Component: 3250 - total flux cleaned = -0.0024892 Jy ! Component: 3300 - total flux cleaned = -0.00252106 Jy ! Component: 3350 - total flux cleaned = -0.00254487 Jy ! Component: 3400 - total flux cleaned = -0.00252116 Jy ! Component: 3450 - total flux cleaned = -0.00256832 Jy ! Component: 3500 - total flux cleaned = -0.0025997 Jy ! Component: 3550 - total flux cleaned = -0.00259968 Jy ! Component: 3600 - total flux cleaned = -0.00261525 Jy ! Component: 3650 - total flux cleaned = -0.00264621 Jy ! Component: 3700 - total flux cleaned = -0.00266932 Jy ! Component: 3750 - total flux cleaned = -0.00268462 Jy ! Component: 3800 - total flux cleaned = -0.00269988 Jy ! Component: 3850 - total flux cleaned = -0.00273026 Jy ! Component: 3900 - total flux cleaned = -0.00273785 Jy ! Component: 3950 - total flux cleaned = -0.00271524 Jy ! Component: 4000 - total flux cleaned = -0.00273026 Jy ! Component: 4050 - total flux cleaned = -0.00275271 Jy ! Total flux subtracted in 4096 components = -0.00276018 Jy ! Clean residual min=-0.000506 max=0.000571 Jy/beam ! Clean residual mean=0.000001 rms=0.000129 Jy/beam ! Combined flux in latest and established models = 0.0907052 Jy keep ! Adding 329 model components to the UV plane model. ! The established model now contains 403 components and 0.0907051 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0457-1819_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8173 x 2.015 at -3.826 degrees (North through East) ! Clean map min=-0.00069759 max=0.088198 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0457-1819_X_map.fits wmodel /vlbi/uf001/uva//J0457-1819_X_map.mod ! Writing 403 model components to file: /vlbi/uf001/uva//J0457-1819_X_map.mod wobs /vlbi/uf001/uva//J0457-1819_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0457-1819_X_uvs.fits wwins /vlbi/uf001/uva//J0457-1819_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J0457-1819_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0881975 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000128222 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.436143 0.436143 0.872286 1.74457 3.48914 6.97829 13.9566 27.9132 55.8263 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.088 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 687.847 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0457-1819_X_dfm.log closed on Sun Jan 13 22:23:41 2019