! Started logfile: /vlbi/uf001/uva//J2303-1841_X_dfm.log on Mon Jan 14 06:32:43 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//J2303-1841_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2303-1841_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.847531 visibilities/baseline/integration-bin. ! Found source: J2303-1841 ! ! 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 32952 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 J2303-1841_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 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 54 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.038554Jy sigma=19.076629 ! Fit after self-cal, rms=0.762270Jy sigma=13.742807 ! 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=0.6439 mas, bmaj=1.582 mas, bpa=-5.348 degrees ! Estimated noise=0.447124 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 = 0.181567 Jy ! Component: 100 - total flux cleaned = 0.236008 Jy ! Total flux subtracted in 100 components = 0.236008 Jy ! Clean residual min=-0.016132 max=0.031377 Jy/beam ! Clean residual mean=-0.000009 rms=0.003449 Jy/beam ! Combined flux in latest and established models = 0.236008 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.236008 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=0.109881Jy sigma=2.031090 ! Fit after self-cal, rms=0.109806Jy sigma=2.029717 ! Inverting map ! Added new window around map position (0.8, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0320992 Jy ! Component: 100 - total flux cleaned = 0.0498884 Jy ! Total flux subtracted in 100 components = 0.0498884 Jy ! Clean residual min=-0.013311 max=0.024207 Jy/beam ! Clean residual mean=-0.000007 rms=0.002705 Jy/beam ! Combined flux in latest and established models = 0.285896 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 11 components and 0.285896 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=0.098096Jy sigma=1.733219 ! Fit after self-cal, rms=0.097246Jy sigma=1.715141 ! Inverting map ! Added new window around map position (1.6, 2.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0184873 Jy ! Component: 100 - total flux cleaned = 0.0257609 Jy ! Total flux subtracted in 100 components = 0.0257609 Jy ! Clean residual min=-0.011670 max=0.015671 Jy/beam ! Clean residual mean=-0.000006 rms=0.002348 Jy/beam ! Combined flux in latest and established models = 0.311657 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 19 components and 0.311657 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=0.093212Jy sigma=1.613466 ! Fit after self-cal, rms=0.092781Jy sigma=1.604127 ! Inverting map ! Added new window around map position (1, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0132358 Jy ! Component: 100 - total flux cleaned = 0.0195869 Jy ! Total flux subtracted in 100 components = 0.0195869 Jy ! Clean residual min=-0.011072 max=0.013176 Jy/beam ! Clean residual mean=-0.000005 rms=0.002142 Jy/beam ! Combined flux in latest and established models = 0.331244 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 30 components and 0.331244 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=0.090600Jy sigma=1.549063 ! Fit after self-cal, rms=0.090353Jy sigma=1.542993 ! 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=0.8184 mas, bmaj=1.949 mas, bpa=-4.573 degrees ! Estimated noise=0.217942 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 = 0.0118048 Jy ! Component: 100 - total flux cleaned = 0.0192897 Jy ! Component: 150 - total flux cleaned = 0.0244411 Jy ! Component: 200 - total flux cleaned = 0.0273974 Jy ! Total flux subtracted in 200 components = 0.0273974 Jy ! Clean residual min=-0.014010 max=0.013758 Jy/beam ! Clean residual mean=-0.000016 rms=0.002739 Jy/beam ! Combined flux in latest and established models = 0.358642 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 42 components and 0.358641 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=0.089120Jy sigma=1.497945 ! Fit after self-cal, rms=0.088972Jy sigma=1.493274 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8184 x 1.949 at -4.573 degrees (North through East) ! Clean map min=-0.013594 max=0.22265 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.04 HN 1.22 KP 1.07 ! LA 0.80 MK 1.02 NL 1.12 OV 0.99 ! PT 1.02 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.04 HN 1.24 KP 1.08 ! LA 0.81 MK 1.00 NL 1.09 OV 0.99 ! PT 1.01 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.04 HN 1.26 KP 1.07 ! LA 0.80 MK 1.01 NL 1.12 OV 0.97 ! PT 1.03 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.04 HN 1.20 KP 1.06 ! LA 0.81 MK 0.98 NL 1.11 OV 0.99 ! PT 1.00 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.05 HN 1.19 KP 1.06 ! LA 0.81 MK 0.99 NL 1.10 OV 0.99 ! PT 1.02 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.03 HN 1.23 KP 1.06 ! LA 0.79 MK 1.00 NL 1.12 OV 0.97 ! PT 1.00 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.05 HN 1.23 KP 1.08 ! LA 0.79 MK 0.99 NL 1.10 OV 0.98 ! PT 1.00 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.03 HN 1.21 KP 1.06 ! LA 0.79 MK 0.98 NL 1.08 OV 0.98 ! PT 1.02 SC 0.94 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.04 HN 1.19 KP 1.06 ! LA 0.80 MK 0.96 NL 1.10 OV 0.98 ! PT 1.01 SC 0.95 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.03 HN 1.21 KP 1.08 ! LA 0.81 MK 0.99 NL 1.10 OV 0.97 ! PT 1.01 SC 0.94 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.04 HN 1.20 KP 1.09 ! LA 0.80 MK 0.96 NL 1.11 OV 0.97 ! PT 1.02 SC 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.04 HN 1.22 KP 1.08 ! LA 0.81 MK 1.00 NL 1.12 OV 0.96 ! PT 1.02 SC 0.95 ! ! ! Fit before self-cal, rms=0.088972Jy sigma=1.493274 ! Fit after self-cal, rms=0.084956Jy sigma=1.287563 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8181 mas, bmaj=1.936 mas, bpa=-3.999 degrees ! Estimated noise=0.220783 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 (6, 8.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000754063 Jy ! Component: 100 - total flux cleaned = 0.000197078 Jy ! Component: 150 - total flux cleaned = 0.000319639 Jy ! Component: 200 - total flux cleaned = 0.000531031 Jy ! Total flux subtracted in 200 components = 0.000531031 Jy ! Clean residual min=-0.004970 max=0.004782 Jy/beam ! Clean residual mean=-0.000011 rms=0.001078 Jy/beam ! Combined flux in latest and established models = 0.359172 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 60 components and 0.359172 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=0.084132Jy sigma=1.270115 ! Fit after self-cal, rms=0.084360Jy sigma=1.267580 ! 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=0.084360Jy sigma=1.267580 ! Fit after self-cal, rms=0.086132Jy sigma=1.245615 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8199 mas, bmaj=1.934 mas, bpa=-4.046 degrees ! Estimated noise=0.220826 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00200693 Jy ! Component: 100 - total flux cleaned = -0.00213539 Jy ! Component: 150 - total flux cleaned = -0.00231331 Jy ! Component: 200 - total flux cleaned = -0.00239572 Jy ! Total flux subtracted in 200 components = -0.00239572 Jy ! Clean residual min=-0.003099 max=0.003930 Jy/beam ! Clean residual mean=-0.000001 rms=0.000721 Jy/beam ! Combined flux in latest and established models = 0.356777 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 75 components and 0.356777 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=0.085909Jy sigma=1.240181 ! Fit after self-cal, rms=0.085949Jy sigma=1.239751 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (3.6, 6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00238419 Jy ! Component: 100 - total flux cleaned = 0.00230367 Jy ! Component: 150 - total flux cleaned = 0.00230034 Jy ! Component: 200 - total flux cleaned = 0.00222768 Jy ! Total flux subtracted in 200 components = 0.00222768 Jy ! Clean residual min=-0.002829 max=0.002795 Jy/beam ! Clean residual mean=-0.000000 rms=0.000658 Jy/beam ! Combined flux in latest and established models = 0.359004 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 92 components and 0.359004 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=0.085741Jy sigma=1.235787 ! Fit after self-cal, rms=0.085723Jy sigma=1.235470 ! 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=0.085723Jy sigma=1.235470 ! Fit after self-cal, rms=0.086166Jy sigma=1.225872 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8204 mas, bmaj=1.931 mas, bpa=-4.112 degrees ! Estimated noise=0.220622 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00122085 Jy ! Component: 100 - total flux cleaned = -0.00122158 Jy ! Component: 150 - total flux cleaned = -0.00122451 Jy ! Component: 200 - total flux cleaned = -0.00135273 Jy ! Total flux subtracted in 200 components = -0.00135273 Jy ! Clean residual min=-0.002142 max=0.001958 Jy/beam ! Clean residual mean=0.000001 rms=0.000477 Jy/beam ! Combined flux in latest and established models = 0.357652 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 105 components and 0.357652 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=0.086014Jy sigma=1.223243 ! Fit after self-cal, rms=0.086014Jy sigma=1.223071 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 = -0.00029415 Jy ! Component: 100 - total flux cleaned = -0.000292815 Jy ! Component: 150 - total flux cleaned = -0.000347685 Jy ! Component: 200 - total flux cleaned = -0.000399907 Jy ! Total flux subtracted in 200 components = -0.000399907 Jy ! Clean residual min=-0.002064 max=0.001937 Jy/beam ! Clean residual mean=0.000000 rms=0.000453 Jy/beam ! Combined flux in latest and established models = 0.357252 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 112 components and 0.357252 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=0.085933Jy sigma=1.221782 ! Fit after self-cal, rms=0.085925Jy sigma=1.221703 ! 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=0.085925Jy sigma=1.221703 ! Fit after self-cal, rms=0.086159Jy sigma=1.221071 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.157 mas, bmaj=4.495 mas, bpa=3.061 degrees ! Estimated noise=0.279207 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00069367 Jy ! Component: 100 - total flux cleaned = -0.000487933 Jy ! Component: 150 - total flux cleaned = -0.000377014 Jy ! Component: 200 - total flux cleaned = -0.000283456 Jy ! Total flux subtracted in 200 components = -0.000283456 Jy ! Clean residual min=-0.001915 max=0.002207 Jy/beam ! Clean residual mean=0.000001 rms=0.000546 Jy/beam ! Combined flux in latest and established models = 0.356968 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 127 components and 0.356968 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=0.086116Jy sigma=1.220381 ! Fit after self-cal, rms=0.086115Jy sigma=1.220258 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 = -7.59846e-05 Jy ! Component: 100 - total flux cleaned = -4.84538e-05 Jy ! Component: 150 - total flux cleaned = 1.5934e-06 Jy ! Component: 200 - total flux cleaned = 4.46982e-05 Jy ! Total flux subtracted in 200 components = 4.46982e-05 Jy ! Clean residual min=-0.001909 max=0.002057 Jy/beam ! Clean residual mean=0.000000 rms=0.000525 Jy/beam ! Combined flux in latest and established models = 0.357013 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 135 components and 0.357013 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=0.086106Jy sigma=1.220134 ! Fit after self-cal, rms=0.086102Jy sigma=1.220104 ! 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=0.8198 mas, bmaj=1.931 mas, bpa=-4.153 degrees ! Estimated noise=0.220226 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8198 x 1.931 at -4.153 degrees (North through East) ! Clean map min=-0.0025219 max=0.22498 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=0.6426 mas, bmaj=1.555 mas, bpa=-4.665 degrees ! Estimated noise=0.454917 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.184162 Jy ! Component: 100 - total flux cleaned = 0.244076 Jy ! Component: 150 - total flux cleaned = 0.275091 Jy ! Component: 200 - total flux cleaned = 0.294084 Jy ! Total flux subtracted in 200 components = 0.294084 Jy ! Clean residual min=-0.005319 max=0.009902 Jy/beam ! Clean residual mean=-0.000003 rms=0.001237 Jy/beam ! Combined flux in latest and established models = 0.294084 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.294084 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8198 mas, bmaj=1.931 mas, bpa=-4.153 degrees ! Estimated noise=0.220226 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 = 0.0166849 Jy ! Component: 100 - total flux cleaned = 0.0270758 Jy ! Component: 150 - total flux cleaned = 0.0346051 Jy ! Component: 200 - total flux cleaned = 0.040289 Jy ! Total flux subtracted in 200 components = 0.040289 Jy ! Clean residual min=-0.002822 max=0.004018 Jy/beam ! Clean residual mean=-0.000000 rms=0.000719 Jy/beam ! Combined flux in latest and established models = 0.334373 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 38 components and 0.334373 Jy ! Inverting map ! Added new window around map position (-0.8, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00459308 Jy ! Component: 100 - total flux cleaned = 0.00813482 Jy ! Component: 150 - total flux cleaned = 0.01099 Jy ! Component: 200 - total flux cleaned = 0.0133111 Jy ! Total flux subtracted in 200 components = 0.0133111 Jy ! Clean residual min=-0.002337 max=0.002055 Jy/beam ! Clean residual mean=0.000000 rms=0.000470 Jy/beam ! Combined flux in latest and established models = 0.347684 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 71 components and 0.347684 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=2.157 mas, bmaj=4.495 mas, bpa=3.061 degrees ! Estimated noise=0.279207 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00305819 Jy ! Component: 100 - total flux cleaned = 0.00508275 Jy ! Component: 150 - total flux cleaned = 0.00652983 Jy ! Component: 200 - total flux cleaned = 0.0076039 Jy ! Total flux subtracted in 200 components = 0.0076039 Jy ! Clean residual min=-0.002045 max=0.001995 Jy/beam ! Clean residual mean=0.000000 rms=0.000549 Jy/beam ! Combined flux in latest and established models = 0.355288 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 = 0.000636391 Jy ! Component: 100 - total flux cleaned = 0.000988543 Jy ! Component: 150 - total flux cleaned = 0.00126307 Jy ! Component: 200 - total flux cleaned = 0.00136243 Jy ! Total flux subtracted in 200 components = 0.00136243 Jy ! Clean residual min=-0.001882 max=0.001820 Jy/beam ! Clean residual mean=0.000000 rms=0.000525 Jy/beam ! Combined flux in latest and established models = 0.35665 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 148 components and 0.35665 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8198 mas, bmaj=1.931 mas, bpa=-4.153 degrees ! Estimated noise=0.220226 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000405236 Jy ! Component: 100 - total flux cleaned = 0.000323822 Jy ! Component: 150 - total flux cleaned = 0.000247026 Jy ! Component: 200 - total flux cleaned = 0.000144338 Jy ! Total flux subtracted in 200 components = 0.000144338 Jy ! Clean residual min=-0.001833 max=0.001722 Jy/beam ! Clean residual mean=0.000000 rms=0.000376 Jy/beam ! Combined flux in latest and established models = 0.356794 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 168 components and 0.356794 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=0.085957Jy sigma=1.217869 ! Fit after self-cal, rms=0.085905Jy sigma=1.217203 wmodel J2303-1841_X_map.mod ! Writing 168 model components to file: J2303-1841_X_map.mod wobs J2303-1841_X_uvs.fits ! Writing UV FITS file: J2303-1841_X_uvs.fits wwins J2303-1841_X_map.win ! wwins: Wrote 7 windows to J2303-1841_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 = -0.000439868 Jy ! Component: 100 - total flux cleaned = -0.000275187 Jy ! Component: 150 - total flux cleaned = -0.000223071 Jy ! Component: 200 - total flux cleaned = -0.000297652 Jy ! Component: 250 - total flux cleaned = -0.000321287 Jy ! Component: 300 - total flux cleaned = -0.000367459 Jy ! Component: 350 - total flux cleaned = -0.000480701 Jy ! Component: 400 - total flux cleaned = -0.000546282 Jy ! Component: 450 - total flux cleaned = -0.000567118 Jy ! Component: 500 - total flux cleaned = -0.000588208 Jy ! Component: 550 - total flux cleaned = -0.000671563 Jy ! Component: 600 - total flux cleaned = -0.000732356 Jy ! Component: 650 - total flux cleaned = -0.000751906 Jy ! Component: 700 - total flux cleaned = -0.000751333 Jy ! Component: 750 - total flux cleaned = -0.00073171 Jy ! Component: 800 - total flux cleaned = -0.000769994 Jy ! Component: 850 - total flux cleaned = -0.000807499 Jy ! Component: 900 - total flux cleaned = -0.000789089 Jy ! Component: 950 - total flux cleaned = -0.000807009 Jy ! Component: 1000 - total flux cleaned = -0.000825331 Jy ! Component: 1050 - total flux cleaned = -0.000878395 Jy ! Component: 1100 - total flux cleaned = -0.000877703 Jy ! Component: 1150 - total flux cleaned = -0.000808029 Jy ! Component: 1200 - total flux cleaned = -0.000808154 Jy ! Component: 1250 - total flux cleaned = -0.000842076 Jy ! Component: 1300 - total flux cleaned = -0.000808397 Jy ! Component: 1350 - total flux cleaned = -0.000791971 Jy ! Component: 1400 - total flux cleaned = -0.00084144 Jy ! Component: 1450 - total flux cleaned = -0.000841342 Jy ! Component: 1500 - total flux cleaned = -0.000857355 Jy ! Component: 1550 - total flux cleaned = -0.000841507 Jy ! Component: 1600 - total flux cleaned = -0.000794662 Jy ! Component: 1650 - total flux cleaned = -0.000856439 Jy ! Component: 1700 - total flux cleaned = -0.000871462 Jy ! Component: 1750 - total flux cleaned = -0.000856101 Jy ! Component: 1800 - total flux cleaned = -0.000825917 Jy ! Component: 1850 - total flux cleaned = -0.000796067 Jy ! Component: 1900 - total flux cleaned = -0.000810984 Jy ! Component: 1950 - total flux cleaned = -0.000825756 Jy ! Component: 2000 - total flux cleaned = -0.000796672 Jy ! Component: 2050 - total flux cleaned = -0.000796612 Jy ! Component: 2100 - total flux cleaned = -0.000753801 Jy ! Component: 2150 - total flux cleaned = -0.000824646 Jy ! Component: 2200 - total flux cleaned = -0.000838477 Jy ! Component: 2250 - total flux cleaned = -0.000921886 Jy ! Component: 2300 - total flux cleaned = -0.000935646 Jy ! Component: 2350 - total flux cleaned = -0.00092212 Jy ! Component: 2400 - total flux cleaned = -0.00100343 Jy ! Component: 2450 - total flux cleaned = -0.00103006 Jy ! Component: 2500 - total flux cleaned = -0.00102991 Jy ! Component: 2550 - total flux cleaned = -0.00106969 Jy ! Component: 2600 - total flux cleaned = -0.00101707 Jy ! Component: 2650 - total flux cleaned = -0.00105614 Jy ! Component: 2700 - total flux cleaned = -0.00112083 Jy ! Component: 2750 - total flux cleaned = -0.001095 Jy ! Component: 2800 - total flux cleaned = -0.00108223 Jy ! Component: 2850 - total flux cleaned = -0.00106952 Jy ! Component: 2900 - total flux cleaned = -0.00111972 Jy ! Component: 2950 - total flux cleaned = -0.00109481 Jy ! Component: 3000 - total flux cleaned = -0.00114425 Jy ! Component: 3050 - total flux cleaned = -0.00115669 Jy ! Component: 3100 - total flux cleaned = -0.00119335 Jy ! Component: 3150 - total flux cleaned = -0.00121749 Jy ! Component: 3200 - total flux cleaned = -0.00125344 Jy ! Component: 3250 - total flux cleaned = -0.00120551 Jy ! Component: 3300 - total flux cleaned = -0.00124112 Jy ! Component: 3350 - total flux cleaned = -0.00125286 Jy ! Component: 3400 - total flux cleaned = -0.00126456 Jy ! Component: 3450 - total flux cleaned = -0.0012762 Jy ! Component: 3500 - total flux cleaned = -0.00132241 Jy ! Component: 3550 - total flux cleaned = -0.00134529 Jy ! Component: 3600 - total flux cleaned = -0.00141374 Jy ! Component: 3650 - total flux cleaned = -0.00142496 Jy ! Component: 3700 - total flux cleaned = -0.00140246 Jy ! Component: 3750 - total flux cleaned = -0.00140258 Jy ! Component: 3800 - total flux cleaned = -0.00150289 Jy ! Component: 3850 - total flux cleaned = -0.00149182 Jy ! Component: 3900 - total flux cleaned = -0.00146977 Jy ! Component: 3950 - total flux cleaned = -0.00149167 Jy ! Component: 4000 - total flux cleaned = -0.00150274 Jy ! Component: 4050 - total flux cleaned = -0.00150271 Jy ! Total flux subtracted in 4096 components = -0.00154563 Jy ! Clean residual min=-0.000574 max=0.000620 Jy/beam ! Clean residual mean=0.000000 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.355249 Jy keep ! Adding 331 model components to the UV plane model. ! The established model now contains 499 components and 0.355249 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2303-1841_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8198 x 1.931 at -4.153 degrees (North through East) ! Clean map min=-0.0011356 max=0.22648 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2303-1841_X_map.fits wmodel /vlbi/uf001/uva//J2303-1841_X_map.mod ! Writing 499 model components to file: /vlbi/uf001/uva//J2303-1841_X_map.mod wobs /vlbi/uf001/uva//J2303-1841_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2303-1841_X_uvs.fits wwins /vlbi/uf001/uva//J2303-1841_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J2303-1841_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.226482 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000187345 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.248159 0.248159 0.496319 0.992638 1.98528 3.97055 7.9411 15.8822 31.7644 63.5288 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.226 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1208.9 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2303-1841_X_dfm.log closed on Mon Jan 14 06:32:49 2019