! Started logfile: /vlbi/uf001/uvm//J1531-2735_X_a_dfm.log on Sun Jan 13 21:54:18 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/uvm//J1531-2735_X_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1531-2735_X_a_uvm.fits ! AN table 1: 48 integrations on 21 of 21 possible baselines. ! AN table 2: 72 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.95205 visibilities/baseline/integration-bin. ! Found source: J1531-2735 ! ! 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 121 lines of history. ! ! Reading 34548 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 J1531-2735_X_a] 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 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004507Jy sigma=19.608507 ! Fit after self-cal, rms=0.954394Jy sigma=18.613701 ! 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=0.6873 mas, bmaj=3.336 mas, bpa=-22.11 degrees ! Estimated noise=0.525729 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 = 0.0355494 Jy ! Component: 100 - total flux cleaned = 0.043783 Jy ! Total flux subtracted in 100 components = 0.043783 Jy ! Clean residual min=-0.003055 max=0.003274 Jy/beam ! Clean residual mean=-0.000004 rms=0.000746 Jy/beam ! Combined flux in latest and established models = 0.043783 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.043783 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=0.071664Jy sigma=1.215205 ! Fit after self-cal, rms=0.070327Jy sigma=1.185622 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00509885 Jy ! Component: 100 - total flux cleaned = 0.00803817 Jy ! Total flux subtracted in 100 components = 0.00803817 Jy ! Clean residual min=-0.002897 max=0.002717 Jy/beam ! Clean residual mean=-0.000002 rms=0.000683 Jy/beam ! Combined flux in latest and established models = 0.0518212 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 18 components and 0.0518212 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=0.069820Jy sigma=1.173434 ! Fit after self-cal, rms=0.069828Jy sigma=1.173173 ! 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=0.9972 mas, bmaj=4.051 mas, bpa=-19.48 degrees ! Estimated noise=0.200227 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.4, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00364076 Jy ! Component: 100 - total flux cleaned = 0.00566194 Jy ! Component: 150 - total flux cleaned = 0.00683651 Jy ! Component: 200 - total flux cleaned = 0.00718327 Jy ! Total flux subtracted in 200 components = 0.00718327 Jy ! Clean residual min=-0.001870 max=0.001849 Jy/beam ! Clean residual mean=-0.000006 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.0590045 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 49 components and 0.0590045 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=0.069626Jy sigma=1.168717 ! Fit after self-cal, rms=0.069613Jy sigma=1.167988 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9972 x 4.051 at -19.48 degrees (North through East) ! Clean map min=-0.001838 max=0.046773 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 1.05 KP 1.03 LA 1.00 ! NL 1.25 OV 0.93 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 FD 0.94 HN 0.97 KP 1.17 ! LA 1.05 MK 0.97 NL 1.07 OV 0.91 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.00 KP 0.97 LA 1.10 ! NL 1.18 OV 0.94 PT 0.90 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.00 HN 1.00 KP 1.05 ! LA 1.01 MK 1.03 NL 1.13 OV 0.92 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.09 HN 1.31 KP 1.07 LA 0.96 ! NL 1.11 OV 0.96 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.86 FD 1.03 HN 1.05 KP 1.12 ! LA 1.00 MK 1.04 NL 0.99 OV 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.16 KP 1.01 LA 1.00 ! NL 1.04 OV 1.06 PT 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 1.04 HN 0.99 KP 1.08 ! LA 1.00 MK 1.07 NL 1.01 OV 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.06 KP 1.08 LA 0.98 ! NL 1.15 OV 0.92 PT 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.86 FD 0.95 HN 0.94 KP 1.10 ! LA 1.00 MK 1.12 NL 1.01 OV 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.08 KP 1.02 LA 1.00 ! NL 1.09 OV 0.92 PT 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.74 FD 1.03 HN 0.99 KP 1.16 ! LA 1.05 MK 0.99 NL 1.02 OV 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 1.06 KP 1.03 LA 0.96 ! NL 1.21 OV 0.86 PT 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.84 FD 1.02 HN 1.01 KP 1.24 ! LA 0.98 MK 1.01 NL 1.07 OV 0.91 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.98 KP 1.01 LA 0.99 ! NL 1.14 OV 0.87 PT 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.01 HN 0.88 KP 1.10 ! LA 1.10 MK 1.11 NL 1.07 OV 0.90 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 0.91 HN 0.96 KP 1.08 LA 0.97 ! NL 1.17 OV 0.93 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.79 FD 0.99 HN 0.96 KP 1.12 ! LA 1.12 MK 0.99 NL 1.05 OV 0.88 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.98 KP 1.00 LA 1.01 ! NL 1.17 OV 0.94 PT 0.86 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.81 FD 1.00 HN 0.94 KP 1.17 ! LA 0.97 MK 1.01 NL 0.99 OV 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 HN 0.97 KP 0.96 LA 0.95 ! NL 1.06 OV 1.00 PT 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.81 FD 0.99 HN 0.99 KP 1.15 ! LA 1.00 MK 0.96 NL 0.97 OV 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 HN 0.87 KP 1.00 LA 1.09 ! NL 1.23 OV 0.87 PT 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.84 FD 0.93 HN 0.90 KP 1.16 ! LA 1.06 MK 0.98 NL 1.04 OV 0.91 ! ! ! Fit before self-cal, rms=0.069613Jy sigma=1.167988 ! Fit after self-cal, rms=0.066661Jy sigma=1.162535 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.004 mas, bmaj=3.965 mas, bpa=-19.24 degrees ! Estimated noise=0.198226 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 = 0.000487454 Jy ! Component: 100 - total flux cleaned = 0.000513586 Jy ! Component: 150 - total flux cleaned = 0.000494073 Jy ! Component: 200 - total flux cleaned = 0.000476245 Jy ! Total flux subtracted in 200 components = 0.000476245 Jy ! Clean residual min=-0.001049 max=0.000937 Jy/beam ! Clean residual mean=-0.000001 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.0594807 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 71 components and 0.0594807 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=0.066639Jy sigma=1.162236 ! Fit after self-cal, rms=0.066654Jy sigma=1.161073 ! 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=0.066654Jy sigma=1.161073 ! Fit after self-cal, rms=0.066691Jy sigma=1.159524 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.003 mas, bmaj=3.953 mas, bpa=-19.14 degrees ! Estimated noise=0.198672 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000534896 Jy ! Component: 100 - total flux cleaned = 0.000578868 Jy ! Component: 150 - total flux cleaned = 0.000597091 Jy ! Component: 200 - total flux cleaned = 0.000581194 Jy ! Total flux subtracted in 200 components = 0.000581194 Jy ! Clean residual min=-0.000964 max=0.000858 Jy/beam ! Clean residual mean=-0.000001 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.0600619 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 81 components and 0.0600619 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=0.066673Jy sigma=1.159295 ! Fit after self-cal, rms=0.066690Jy sigma=1.159004 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 = 0.000208705 Jy ! Component: 100 - total flux cleaned = 0.000192533 Jy ! Component: 150 - total flux cleaned = 0.000127079 Jy ! Component: 200 - total flux cleaned = 8.23521e-05 Jy ! Total flux subtracted in 200 components = 8.23521e-05 Jy ! Clean residual min=-0.000949 max=0.000791 Jy/beam ! Clean residual mean=-0.000001 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.0601443 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 85 components and 0.0601443 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=0.066677Jy sigma=1.158849 ! Fit after self-cal, rms=0.066675Jy sigma=1.158809 ! 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=0.066675Jy sigma=1.158809 ! Fit after self-cal, rms=0.066926Jy sigma=1.158521 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.001 mas, bmaj=3.94 mas, bpa=-19.1 degrees ! Estimated noise=0.199101 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000529239 Jy ! Component: 100 - total flux cleaned = 0.000654932 Jy ! Component: 150 - total flux cleaned = 0.000685162 Jy ! Component: 200 - total flux cleaned = 0.00068468 Jy ! Total flux subtracted in 200 components = 0.00068468 Jy ! Clean residual min=-0.000933 max=0.000797 Jy/beam ! Clean residual mean=-0.000001 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.060829 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 93 components and 0.060829 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=0.066915Jy sigma=1.158389 ! Fit after self-cal, rms=0.066930Jy sigma=1.158300 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 = 0.000172567 Jy ! Component: 100 - total flux cleaned = 0.000157349 Jy ! Component: 150 - total flux cleaned = 0.000143758 Jy ! Component: 200 - total flux cleaned = 0.000144145 Jy ! Total flux subtracted in 200 components = 0.000144145 Jy ! Clean residual min=-0.000924 max=0.000795 Jy/beam ! Clean residual mean=-0.000001 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.0609731 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 98 components and 0.0609731 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=0.066922Jy sigma=1.158208 ! Fit after self-cal, rms=0.066919Jy sigma=1.158190 ! 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=0.066919Jy sigma=1.158190 ! Fit after self-cal, rms=0.066971Jy sigma=1.158184 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.241 mas, bmaj=7.003 mas, bpa=-5.28 degrees ! Estimated noise=0.227694 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000462759 Jy ! Component: 100 - total flux cleaned = 0.000637962 Jy ! Component: 150 - total flux cleaned = 0.0006727 Jy ! Component: 200 - total flux cleaned = 0.00069471 Jy ! Total flux subtracted in 200 components = 0.00069471 Jy ! Clean residual min=-0.000830 max=0.000750 Jy/beam ! Clean residual mean=-0.000000 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.0616678 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 110 components and 0.0616678 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=0.066966Jy sigma=1.158120 ! Fit after self-cal, rms=0.066965Jy sigma=1.158096 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 = 6.08071e-05 Jy ! Component: 100 - total flux cleaned = 0.000102881 Jy ! Component: 150 - total flux cleaned = 0.000109152 Jy ! Component: 200 - total flux cleaned = 0.000120653 Jy ! Total flux subtracted in 200 components = 0.000120653 Jy ! Clean residual min=-0.000827 max=0.000743 Jy/beam ! Clean residual mean=-0.000001 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.0617885 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 123 components and 0.0617885 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=0.066964Jy sigma=1.158072 ! Fit after self-cal, rms=0.066961Jy sigma=1.158062 ! 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=1 mas, bmaj=3.93 mas, bpa=-19.07 degrees ! Estimated noise=0.199522 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1 x 3.93 at -19.07 degrees (North through East) ! Clean map min=-0.00084948 max=0.046224 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=0.6912 mas, bmaj=3.247 mas, bpa=-21.71 degrees ! Estimated noise=0.520875 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0368153 Jy ! Component: 100 - total flux cleaned = 0.0458452 Jy ! Component: 150 - total flux cleaned = 0.0506235 Jy ! Component: 200 - total flux cleaned = 0.053801 Jy ! Total flux subtracted in 200 components = 0.053801 Jy ! Clean residual min=-0.002621 max=0.002569 Jy/beam ! Clean residual mean=-0.000001 rms=0.000614 Jy/beam ! Combined flux in latest and established models = 0.053801 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.053801 Jy ! Inverting map and beam ! Estimated beam: bmin=1 mas, bmaj=3.93 mas, bpa=-19.07 degrees ! Estimated noise=0.199522 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 = 0.00348752 Jy ! Component: 100 - total flux cleaned = 0.00526488 Jy ! Component: 150 - total flux cleaned = 0.00639152 Jy ! Component: 200 - total flux cleaned = 0.00677428 Jy ! Total flux subtracted in 200 components = 0.00677428 Jy ! Clean residual min=-0.001257 max=0.000983 Jy/beam ! Clean residual mean=-0.000001 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.0605753 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 50 components and 0.0605753 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=2.241 mas, bmaj=7.003 mas, bpa=-5.28 degrees ! Estimated noise=0.227694 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000752647 Jy ! Component: 100 - total flux cleaned = 0.000818609 Jy ! Component: 150 - total flux cleaned = 0.000869988 Jy ! Component: 200 - total flux cleaned = 0.000927683 Jy ! Total flux subtracted in 200 components = 0.000927683 Jy ! Clean residual min=-0.000966 max=0.000766 Jy/beam ! Clean residual mean=-0.000001 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.061503 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 = 2.47834e-05 Jy ! Component: 100 - total flux cleaned = 2.42359e-05 Jy ! Component: 150 - total flux cleaned = 3.39434e-05 Jy ! Component: 200 - total flux cleaned = 5.16099e-05 Jy ! Total flux subtracted in 200 components = 5.16099e-05 Jy ! Clean residual min=-0.000899 max=0.000737 Jy/beam ! Clean residual mean=-0.000001 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.0615546 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 94 components and 0.0615546 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1 mas, bmaj=3.93 mas, bpa=-19.07 degrees ! Estimated noise=0.199522 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000186295 Jy ! Component: 100 - total flux cleaned = -0.00022974 Jy ! Component: 150 - total flux cleaned = -0.00020964 Jy ! Component: 200 - total flux cleaned = -0.00019161 Jy ! Total flux subtracted in 200 components = -0.00019161 Jy ! Clean residual min=-0.001031 max=0.000892 Jy/beam ! Clean residual mean=-0.000000 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.061363 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 111 components and 0.061363 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=0.066977Jy sigma=1.158279 ! Fit after self-cal, rms=0.066982Jy sigma=1.158177 wmodel J1531-2735_X_a_map.mod ! Writing 111 model components to file: J1531-2735_X_a_map.mod wobs J1531-2735_X_a_uvs.fits ! Writing UV FITS file: J1531-2735_X_a_uvs.fits wwins J1531-2735_X_a_map.win ! wwins: Wrote 2 windows to J1531-2735_X_a_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 = -0.000302374 Jy ! Component: 100 - total flux cleaned = -0.000422922 Jy ! Component: 150 - total flux cleaned = -0.000480203 Jy ! Component: 200 - total flux cleaned = -0.000480189 Jy ! Component: 250 - total flux cleaned = -0.000480388 Jy ! Component: 300 - total flux cleaned = -0.000506723 Jy ! Component: 350 - total flux cleaned = -0.000519171 Jy ! Component: 400 - total flux cleaned = -0.000468727 Jy ! Component: 450 - total flux cleaned = -0.000493447 Jy ! Component: 500 - total flux cleaned = -0.000469071 Jy ! Component: 550 - total flux cleaned = -0.000445045 Jy ! Component: 600 - total flux cleaned = -0.00040964 Jy ! Component: 650 - total flux cleaned = -0.000386507 Jy ! Component: 700 - total flux cleaned = -0.000363752 Jy ! Component: 750 - total flux cleaned = -0.000375126 Jy ! Component: 800 - total flux cleaned = -0.000374949 Jy ! Component: 850 - total flux cleaned = -0.000375012 Jy ! Component: 900 - total flux cleaned = -0.00035386 Jy ! Component: 950 - total flux cleaned = -0.000385878 Jy ! Component: 1000 - total flux cleaned = -0.000375493 Jy ! Component: 1050 - total flux cleaned = -0.000386013 Jy ! Component: 1100 - total flux cleaned = -0.000396194 Jy ! Component: 1150 - total flux cleaned = -0.000386054 Jy ! Component: 1200 - total flux cleaned = -0.00037626 Jy ! Component: 1250 - total flux cleaned = -0.000425657 Jy ! Component: 1300 - total flux cleaned = -0.000425501 Jy ! Component: 1350 - total flux cleaned = -0.000444741 Jy ! Component: 1400 - total flux cleaned = -0.000454178 Jy ! Component: 1450 - total flux cleaned = -0.000425883 Jy ! Component: 1500 - total flux cleaned = -0.000435323 Jy ! Component: 1550 - total flux cleaned = -0.00045382 Jy ! Component: 1600 - total flux cleaned = -0.000462943 Jy ! Component: 1650 - total flux cleaned = -0.000463023 Jy ! Component: 1700 - total flux cleaned = -0.000490033 Jy ! Component: 1750 - total flux cleaned = -0.00049002 Jy ! Component: 1800 - total flux cleaned = -0.000525084 Jy ! Component: 1850 - total flux cleaned = -0.000507524 Jy ! Component: 1900 - total flux cleaned = -0.000533474 Jy ! Component: 1950 - total flux cleaned = -0.000516305 Jy ! Component: 2000 - total flux cleaned = -0.000491024 Jy ! Component: 2050 - total flux cleaned = -0.000499431 Jy ! Component: 2100 - total flux cleaned = -0.00050772 Jy ! Component: 2150 - total flux cleaned = -0.000482804 Jy ! Component: 2200 - total flux cleaned = -0.00047461 Jy ! Component: 2250 - total flux cleaned = -0.000490978 Jy ! Component: 2300 - total flux cleaned = -0.000491108 Jy ! Component: 2350 - total flux cleaned = -0.000458953 Jy ! Component: 2400 - total flux cleaned = -0.000490847 Jy ! Component: 2450 - total flux cleaned = -0.000482992 Jy ! Component: 2500 - total flux cleaned = -0.00044363 Jy ! Component: 2550 - total flux cleaned = -0.000451485 Jy ! Component: 2600 - total flux cleaned = -0.000428337 Jy ! Component: 2650 - total flux cleaned = -0.000443788 Jy ! Component: 2700 - total flux cleaned = -0.000405613 Jy ! Component: 2750 - total flux cleaned = -0.000398062 Jy ! Component: 2800 - total flux cleaned = -0.000390581 Jy ! Component: 2850 - total flux cleaned = -0.000390592 Jy ! Component: 2900 - total flux cleaned = -0.000360729 Jy ! Component: 2950 - total flux cleaned = -0.000331125 Jy ! Component: 3000 - total flux cleaned = -0.000331184 Jy ! Component: 3050 - total flux cleaned = -0.000301971 Jy ! Component: 3100 - total flux cleaned = -0.000316459 Jy ! Component: 3150 - total flux cleaned = -0.000330899 Jy ! Component: 3200 - total flux cleaned = -0.00030941 Jy ! Component: 3250 - total flux cleaned = -0.000345017 Jy ! Component: 3300 - total flux cleaned = -0.000295427 Jy ! Component: 3350 - total flux cleaned = -0.000288467 Jy ! Component: 3400 - total flux cleaned = -0.000330422 Jy ! Component: 3450 - total flux cleaned = -0.000337365 Jy ! Component: 3500 - total flux cleaned = -0.000316566 Jy ! Component: 3550 - total flux cleaned = -0.000302775 Jy ! Component: 3600 - total flux cleaned = -0.000309578 Jy ! Component: 3650 - total flux cleaned = -0.000309591 Jy ! Component: 3700 - total flux cleaned = -0.000269015 Jy ! Component: 3750 - total flux cleaned = -0.000248819 Jy ! Component: 3800 - total flux cleaned = -0.000242091 Jy ! Component: 3850 - total flux cleaned = -0.000222036 Jy ! Component: 3900 - total flux cleaned = -0.000248522 Jy ! Component: 3950 - total flux cleaned = -0.000215444 Jy ! Component: 4000 - total flux cleaned = -0.000202234 Jy ! Component: 4050 - total flux cleaned = -0.000182545 Jy ! Total flux subtracted in 4096 components = -0.000162974 Jy ! Clean residual min=-0.000414 max=0.000364 Jy/beam ! Clean residual mean=0.000000 rms=0.000116 Jy/beam ! Combined flux in latest and established models = 0.0612 Jy keep ! Adding 276 model components to the UV plane model. ! The established model now contains 387 components and 0.0612 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1531-2735_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1 x 3.93 at -19.07 degrees (North through East) ! Clean map min=-0.00068372 max=0.046229 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1531-2735_X_a_map.fits wmodel /vlbi/uf001/uvm//J1531-2735_X_a_map.mod ! Writing 387 model components to file: /vlbi/uf001/uvm//J1531-2735_X_a_map.mod wobs /vlbi/uf001/uvm//J1531-2735_X_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1531-2735_X_a_uvs.fits wwins /vlbi/uf001/uvm//J1531-2735_X_a_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uvm//J1531-2735_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0462289 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000114 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.7398 0.7398 1.4796 2.9592 5.9184 11.8368 23.6736 47.3472 94.6944 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.046 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 405.514 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1531-2735_X_a_dfm.log closed on Sun Jan 13 21:54:24 2019