! Started logfile: /vlbi/uf001/uva//J2331+4522_X_dfm.log on Mon Jan 14 06:45:02 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//J2331+4522_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2331+4522_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.998148 visibilities/baseline/integration-bin. ! Found source: J2331+4522 ! ! 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 38808 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 J2331+4522_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. ! ! 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=1.003927Jy sigma=21.520163 ! Fit after self-cal, rms=0.958492Jy sigma=20.501617 ! 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=0.7133 mas, bmaj=1.234 mas, bpa=-7.484 degrees ! Estimated noise=0.386105 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 = 0.0304928 Jy ! Component: 100 - total flux cleaned = 0.038775 Jy ! Total flux subtracted in 100 components = 0.038775 Jy ! Clean residual min=-0.003117 max=0.005480 Jy/beam ! Clean residual mean=0.000011 rms=0.000763 Jy/beam ! Combined flux in latest and established models = 0.038775 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.038775 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=0.068657Jy sigma=1.357153 ! Fit after self-cal, rms=0.067242Jy sigma=1.325788 ! Inverting map ! Added new window around map position (3.2, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00709698 Jy ! Component: 100 - total flux cleaned = 0.0117502 Jy ! Total flux subtracted in 100 components = 0.0117502 Jy ! Clean residual min=-0.003054 max=0.004996 Jy/beam ! Clean residual mean=0.000009 rms=0.000697 Jy/beam ! Combined flux in latest and established models = 0.0505252 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 18 components and 0.0505252 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=0.066015Jy sigma=1.290703 ! Fit after self-cal, rms=0.065938Jy sigma=1.288801 ! Inverting map ! Added new window around map position (1.6, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0053074 Jy ! Component: 100 - total flux cleaned = 0.00903392 Jy ! Total flux subtracted in 100 components = 0.00903392 Jy ! Clean residual min=-0.002926 max=0.002909 Jy/beam ! Clean residual mean=0.000008 rms=0.000626 Jy/beam ! Combined flux in latest and established models = 0.0595592 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 25 components and 0.0595592 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=0.065229Jy sigma=1.267187 ! Fit after self-cal, rms=0.065153Jy sigma=1.265323 ! 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=0.9516 mas, bmaj=1.581 mas, bpa=-6.08 degrees ! Estimated noise=0.171834 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 = 0.00662386 Jy ! Component: 100 - total flux cleaned = 0.0110073 Jy ! Component: 150 - total flux cleaned = 0.014229 Jy ! Component: 200 - total flux cleaned = 0.0166615 Jy ! Total flux subtracted in 200 components = 0.0166615 Jy ! Clean residual min=-0.002634 max=0.003033 Jy/beam ! Clean residual mean=0.000006 rms=0.000619 Jy/beam ! Combined flux in latest and established models = 0.0762206 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 58 components and 0.0762206 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=0.064472Jy sigma=1.242926 ! Fit after self-cal, rms=0.064430Jy sigma=1.241069 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9516 x 1.581 at -6.08 degrees (North through East) ! Clean map min=-0.0026468 max=0.044247 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 0.98 HN 1.14 KP 1.16 ! LA 0.77 MK 1.13 NL 1.16 OV 0.96 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.01 HN 1.07 KP 0.99 ! LA 0.78 MK 0.97 NL 1.13 OV 0.98 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.04 HN 1.10 KP 1.03 ! LA 0.81 MK 1.04 NL 1.07 OV 0.96 ! PT 0.99 SC 1.07 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.05 HN 1.12 KP 1.05 ! LA 0.75 MK 1.04 NL 1.16 OV 0.96 ! PT 0.98 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.26 FD 1.05 HN 1.04 KP 1.07 ! LA 0.75 MK 1.06 NL 1.13 OV 0.97 ! PT 1.00 SC 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.04 HN 1.12 KP 1.07 ! LA 0.74 MK 1.03 NL 1.09 OV 0.92 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 1.01 HN 0.99 KP 1.06 ! LA 0.76 MK 0.98 NL 1.15 OV 0.95 ! PT 1.01 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.00 HN 1.01 KP 1.05 ! LA 0.75 MK 1.02 NL 1.07 OV 0.98 ! PT 0.98 SC 0.90 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.04 HN 0.98 KP 1.10 ! LA 0.74 MK 1.02 NL 1.15 OV 0.98 ! PT 0.97 SC 1.02 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.00 HN 1.00 KP 1.06 ! LA 0.75 MK 1.01 NL 1.08 OV 1.01 ! PT 1.02 SC 0.91 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 0.93 HN 0.95 KP 1.08 ! LA 0.74 MK 0.95 NL 1.15 OV 0.94 ! PT 1.01 SC 0.88 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 0.97 HN 1.05 KP 1.12 ! LA 0.80 MK 0.93 NL 1.04 OV 0.93 ! PT 0.96 SC 0.89 ! ! ! Fit before self-cal, rms=0.064430Jy sigma=1.241069 ! Fit after self-cal, rms=0.065748Jy sigma=1.224057 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9573 mas, bmaj=1.604 mas, bpa=-5.397 degrees ! Estimated noise=0.169022 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 (21.2, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00242251 Jy ! Component: 100 - total flux cleaned = 0.00395203 Jy ! Component: 150 - total flux cleaned = 0.00507425 Jy ! Component: 200 - total flux cleaned = 0.0059654 Jy ! Total flux subtracted in 200 components = 0.0059654 Jy ! Clean residual min=-0.001115 max=0.001324 Jy/beam ! Clean residual mean=-0.000000 rms=0.000300 Jy/beam ! Combined flux in latest and established models = 0.082186 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 86 components and 0.082186 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=0.065652Jy sigma=1.221067 ! Fit after self-cal, rms=0.066027Jy sigma=1.218746 ! 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=0.066027Jy sigma=1.218746 ! Fit after self-cal, rms=0.069102Jy sigma=1.214990 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9599 mas, bmaj=1.594 mas, bpa=-5.646 degrees ! Estimated noise=0.170507 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109179 Jy ! Component: 100 - total flux cleaned = 0.00177346 Jy ! Component: 150 - total flux cleaned = 0.0020978 Jy ! Component: 200 - total flux cleaned = 0.00237692 Jy ! Total flux subtracted in 200 components = 0.00237692 Jy ! Clean residual min=-0.001128 max=0.001124 Jy/beam ! Clean residual mean=-0.000001 rms=0.000263 Jy/beam ! Combined flux in latest and established models = 0.0845629 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 106 components and 0.0845629 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=0.069076Jy sigma=1.214394 ! Fit after self-cal, rms=0.069195Jy sigma=1.213927 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 = 0.000421563 Jy ! Component: 100 - total flux cleaned = 0.000652461 Jy ! Component: 150 - total flux cleaned = 0.000871071 Jy ! Component: 200 - total flux cleaned = 0.00103163 Jy ! Total flux subtracted in 200 components = 0.00103163 Jy ! Clean residual min=-0.001135 max=0.001109 Jy/beam ! Clean residual mean=-0.000001 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.0855945 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 116 components and 0.0855945 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=0.069183Jy sigma=1.213704 ! Fit after self-cal, rms=0.069182Jy sigma=1.213673 ! 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=0.069182Jy sigma=1.213673 ! Fit after self-cal, rms=0.069275Jy sigma=1.213519 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9555 mas, bmaj=1.588 mas, bpa=-5.618 degrees ! Estimated noise=0.16969 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000382589 Jy ! Component: 100 - total flux cleaned = 0.000584954 Jy ! Component: 150 - total flux cleaned = 0.000777789 Jy ! Component: 200 - total flux cleaned = 0.000933506 Jy ! Total flux subtracted in 200 components = 0.000933506 Jy ! Clean residual min=-0.001060 max=0.001074 Jy/beam ! Clean residual mean=-0.000001 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.086528 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 123 components and 0.0865281 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=0.069265Jy sigma=1.213353 ! Fit after self-cal, rms=0.069282Jy sigma=1.213313 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 = 0.00011215 Jy ! Component: 100 - total flux cleaned = 0.000247612 Jy ! Component: 150 - total flux cleaned = 0.000321265 Jy ! Component: 200 - total flux cleaned = 0.000400925 Jy ! Total flux subtracted in 200 components = 0.000400925 Jy ! Clean residual min=-0.001058 max=0.001042 Jy/beam ! Clean residual mean=-0.000001 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.086929 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 126 components and 0.086929 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=0.069276Jy sigma=1.213216 ! Fit after self-cal, rms=0.069276Jy sigma=1.213207 ! 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=0.069276Jy sigma=1.213207 ! Fit after self-cal, rms=0.068990Jy sigma=1.213154 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.202 mas, bmaj=2.724 mas, bpa=-4.371 degrees ! Estimated noise=0.203371 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000479254 Jy ! Component: 100 - total flux cleaned = 0.000657533 Jy ! Component: 150 - total flux cleaned = 0.000762126 Jy ! Component: 200 - total flux cleaned = 0.000849455 Jy ! Total flux subtracted in 200 components = 0.000849455 Jy ! Clean residual min=-0.001213 max=0.001976 Jy/beam ! Clean residual mean=-0.000003 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.0877784 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 135 components and 0.0877784 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=0.068989Jy sigma=1.213110 ! Fit after self-cal, rms=0.068985Jy sigma=1.213065 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 (11.4, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00189236 Jy ! Component: 100 - total flux cleaned = 0.00296983 Jy ! Component: 150 - total flux cleaned = 0.00363808 Jy ! Component: 200 - total flux cleaned = 0.00400798 Jy ! Total flux subtracted in 200 components = 0.00400798 Jy ! Clean residual min=-0.001016 max=0.001534 Jy/beam ! Clean residual mean=-0.000001 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.0917864 Jy ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 184 components and 0.0917864 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=0.068958Jy sigma=1.212290 ! Fit after self-cal, rms=0.068956Jy sigma=1.212098 ! Inverting map ! Added new window around map position (44.4, 25.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00141029 Jy ! Component: 100 - total flux cleaned = 0.00210242 Jy ! Component: 150 - total flux cleaned = 0.00230177 Jy ! Component: 200 - total flux cleaned = 0.00249883 Jy ! Total flux subtracted in 200 components = 0.00249883 Jy ! Clean residual min=-0.000867 max=0.000913 Jy/beam ! Clean residual mean=0.000001 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.0942852 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 224 components and 0.0942852 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=0.068942Jy sigma=1.211582 ! Fit after self-cal, rms=0.068937Jy sigma=1.211483 ! 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=0.9508 mas, bmaj=1.583 mas, bpa=-5.603 degrees ! Estimated noise=0.16875 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9508 x 1.583 at -5.603 degrees (North through East) ! Clean map min=-0.00086029 max=0.042715 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=0.7089 mas, bmaj=1.224 mas, bpa=-7.241 degrees ! Estimated noise=0.37748 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0305275 Jy ! Component: 100 - total flux cleaned = 0.0415575 Jy ! Component: 150 - total flux cleaned = 0.0490399 Jy ! Component: 200 - total flux cleaned = 0.0545479 Jy ! Total flux subtracted in 200 components = 0.0545479 Jy ! Clean residual min=-0.002315 max=0.003223 Jy/beam ! Clean residual mean=0.000005 rms=0.000570 Jy/beam ! Combined flux in latest and established models = 0.054548 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.054548 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9508 mas, bmaj=1.583 mas, bpa=-5.603 degrees ! Estimated noise=0.16875 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 = 0.00772384 Jy ! Component: 100 - total flux cleaned = 0.0127271 Jy ! Component: 150 - total flux cleaned = 0.0162565 Jy ! Component: 200 - total flux cleaned = 0.0189178 Jy ! Total flux subtracted in 200 components = 0.0189178 Jy ! Clean residual min=-0.001402 max=0.001609 Jy/beam ! Clean residual mean=-0.000000 rms=0.000383 Jy/beam ! Combined flux in latest and established models = 0.0734657 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 43 components and 0.0734657 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=2.202 mas, bmaj=2.724 mas, bpa=-4.371 degrees ! Estimated noise=0.203371 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00374764 Jy ! Component: 100 - total flux cleaned = 0.00651926 Jy ! Component: 150 - total flux cleaned = 0.00874487 Jy ! Component: 200 - total flux cleaned = 0.0105907 Jy ! Total flux subtracted in 200 components = 0.0105907 Jy ! Clean residual min=-0.001412 max=0.001495 Jy/beam ! Clean residual mean=-0.000000 rms=0.000390 Jy/beam ! Combined flux in latest and established models = 0.0840564 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 = 0.00155141 Jy ! Component: 100 - total flux cleaned = 0.00288075 Jy ! Component: 150 - total flux cleaned = 0.00403392 Jy ! Component: 200 - total flux cleaned = 0.00504119 Jy ! Total flux subtracted in 200 components = 0.00504119 Jy ! Clean residual min=-0.001090 max=0.001223 Jy/beam ! Clean residual mean=0.000001 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.0890976 Jy ! Adding 128 model components to the UV plane model. ! The established model now contains 161 components and 0.0890976 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9508 mas, bmaj=1.583 mas, bpa=-5.603 degrees ! Estimated noise=0.16875 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000882531 Jy ! Component: 100 - total flux cleaned = 0.00154681 Jy ! Component: 150 - total flux cleaned = 0.00217849 Jy ! Component: 200 - total flux cleaned = 0.00268271 Jy ! Total flux subtracted in 200 components = 0.00268271 Jy ! Clean residual min=-0.000911 max=0.000889 Jy/beam ! Clean residual mean=0.000000 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.0917803 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 200 components and 0.0917803 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=0.068951Jy sigma=1.211825 ! Fit after self-cal, rms=0.068925Jy sigma=1.211504 wmodel J2331+4522_X_map.mod ! Writing 200 model components to file: J2331+4522_X_map.mod wobs J2331+4522_X_uvs.fits ! Writing UV FITS file: J2331+4522_X_uvs.fits wwins J2331+4522_X_map.win ! wwins: Wrote 6 windows to J2331+4522_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 = -0.000253169 Jy ! Component: 100 - total flux cleaned = -0.000331583 Jy ! Component: 150 - total flux cleaned = -0.000302066 Jy ! Component: 200 - total flux cleaned = -0.000302094 Jy ! Component: 250 - total flux cleaned = -0.000330389 Jy ! Component: 300 - total flux cleaned = -0.000385122 Jy ! Component: 350 - total flux cleaned = -0.000424992 Jy ! Component: 400 - total flux cleaned = -0.000438266 Jy ! Component: 450 - total flux cleaned = -0.000451075 Jy ! Component: 500 - total flux cleaned = -0.00046373 Jy ! Component: 550 - total flux cleaned = -0.000463801 Jy ! Component: 600 - total flux cleaned = -0.000464001 Jy ! Component: 650 - total flux cleaned = -0.00048832 Jy ! Component: 700 - total flux cleaned = -0.000488285 Jy ! Component: 750 - total flux cleaned = -0.000476713 Jy ! Component: 800 - total flux cleaned = -0.000511811 Jy ! Component: 850 - total flux cleaned = -0.0005003 Jy ! Component: 900 - total flux cleaned = -0.000523105 Jy ! Component: 950 - total flux cleaned = -0.000511994 Jy ! Component: 1000 - total flux cleaned = -0.000512125 Jy ! Component: 1050 - total flux cleaned = -0.000501212 Jy ! Component: 1100 - total flux cleaned = -0.000544831 Jy ! Component: 1150 - total flux cleaned = -0.00049079 Jy ! Component: 1200 - total flux cleaned = -0.000501606 Jy ! Component: 1250 - total flux cleaned = -0.000512293 Jy ! Component: 1300 - total flux cleaned = -0.000491401 Jy ! Component: 1350 - total flux cleaned = -0.000491479 Jy ! Component: 1400 - total flux cleaned = -0.000512116 Jy ! Component: 1450 - total flux cleaned = -0.000471362 Jy ! Component: 1500 - total flux cleaned = -0.000461222 Jy ! Component: 1550 - total flux cleaned = -0.000461293 Jy ! Component: 1600 - total flux cleaned = -0.000481263 Jy ! Component: 1650 - total flux cleaned = -0.000481242 Jy ! Component: 1700 - total flux cleaned = -0.000510503 Jy ! Component: 1750 - total flux cleaned = -0.000471599 Jy ! Component: 1800 - total flux cleaned = -0.000452389 Jy ! Component: 1850 - total flux cleaned = -0.000433329 Jy ! Component: 1900 - total flux cleaned = -0.000433295 Jy ! Component: 1950 - total flux cleaned = -0.000461487 Jy ! Component: 2000 - total flux cleaned = -0.000442796 Jy ! Component: 2050 - total flux cleaned = -0.000433525 Jy ! Component: 2100 - total flux cleaned = -0.000442802 Jy ! Component: 2150 - total flux cleaned = -0.000460978 Jy ! Component: 2200 - total flux cleaned = -0.000424628 Jy ! Component: 2250 - total flux cleaned = -0.000415479 Jy ! Component: 2300 - total flux cleaned = -0.00043341 Jy ! Component: 2350 - total flux cleaned = -0.000424408 Jy ! Component: 2400 - total flux cleaned = -0.000397793 Jy ! Component: 2450 - total flux cleaned = -0.000389038 Jy ! Component: 2500 - total flux cleaned = -0.000380284 Jy ! Component: 2550 - total flux cleaned = -0.000345564 Jy ! Component: 2600 - total flux cleaned = -0.0003542 Jy ! Component: 2650 - total flux cleaned = -0.000328379 Jy ! Component: 2700 - total flux cleaned = -0.000268688 Jy ! Component: 2750 - total flux cleaned = -0.000285659 Jy ! Component: 2800 - total flux cleaned = -0.000243513 Jy ! Component: 2850 - total flux cleaned = -0.000268591 Jy ! Component: 2900 - total flux cleaned = -0.000251952 Jy ! Component: 2950 - total flux cleaned = -0.000218831 Jy ! Component: 3000 - total flux cleaned = -0.000210538 Jy ! Component: 3050 - total flux cleaned = -0.000210479 Jy ! Component: 3100 - total flux cleaned = -0.000218643 Jy ! Component: 3150 - total flux cleaned = -0.000178086 Jy ! Component: 3200 - total flux cleaned = -0.000202358 Jy ! Component: 3250 - total flux cleaned = -0.000178238 Jy ! Component: 3300 - total flux cleaned = -0.000170264 Jy ! Component: 3350 - total flux cleaned = -0.000178161 Jy ! Component: 3400 - total flux cleaned = -0.00017819 Jy ! Component: 3450 - total flux cleaned = -0.000193949 Jy ! Component: 3500 - total flux cleaned = -0.000178327 Jy ! Component: 3550 - total flux cleaned = -0.000178354 Jy ! Component: 3600 - total flux cleaned = -0.000201586 Jy ! Component: 3650 - total flux cleaned = -0.000209277 Jy ! Component: 3700 - total flux cleaned = -0.000216925 Jy ! Component: 3750 - total flux cleaned = -0.000209171 Jy ! Component: 3800 - total flux cleaned = -0.000224396 Jy ! Component: 3850 - total flux cleaned = -0.000194041 Jy ! Component: 3900 - total flux cleaned = -0.000186505 Jy ! Component: 3950 - total flux cleaned = -0.000178977 Jy ! Component: 4000 - total flux cleaned = -0.000186454 Jy ! Component: 4050 - total flux cleaned = -0.000231049 Jy ! Total flux subtracted in 4096 components = -0.000223675 Jy ! Clean residual min=-0.000471 max=0.000471 Jy/beam ! Clean residual mean=0.000000 rms=0.000128 Jy/beam ! Combined flux in latest and established models = 0.0915566 Jy keep ! Adding 326 model components to the UV plane model. ! The established model now contains 526 components and 0.0915567 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2331+4522_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9508 x 1.583 at -5.603 degrees (North through East) ! Clean map min=-0.00064964 max=0.042806 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2331+4522_X_map.fits wmodel /vlbi/uf001/uva//J2331+4522_X_map.mod ! Writing 526 model components to file: /vlbi/uf001/uva//J2331+4522_X_map.mod wobs /vlbi/uf001/uva//J2331+4522_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2331+4522_X_uvs.fits wwins /vlbi/uf001/uva//J2331+4522_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J2331+4522_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0428056 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000127765 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.89543 0.89543 1.79086 3.58172 7.16344 14.3269 28.6538 57.3075 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.042 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 335.034 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2331+4522_X_dfm.log closed on Mon Jan 14 06:45:08 2019