! Started logfile: /vlbi/uf001/uva//J0844+3830_X_dfm.log on Mon Jan 14 00:05:05 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//J0844+3830_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0844+3830_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.904762 visibilities/baseline/integration-bin. ! Found source: J0844+3830 ! ! 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 20520 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 J0844+3830_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 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 74 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.011921Jy sigma=23.657149 ! Fit after self-cal, rms=0.891378Jy sigma=20.882981 ! 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=0.7747 mas, bmaj=1.276 mas, bpa=5.268 degrees ! Estimated noise=0.396121 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 = 0.0795646 Jy ! Component: 100 - total flux cleaned = 0.101512 Jy ! Total flux subtracted in 100 components = 0.101512 Jy ! Clean residual min=-0.005768 max=0.021797 Jy/beam ! Clean residual mean=0.000015 rms=0.001443 Jy/beam ! Combined flux in latest and established models = 0.101512 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.101512 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=0.064678Jy sigma=1.474809 ! Fit after self-cal, rms=0.064628Jy sigma=1.473651 ! Inverting map ! Added new window around map position (0.4, -3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0189196 Jy ! Component: 100 - total flux cleaned = 0.0293536 Jy ! Total flux subtracted in 100 components = 0.0293536 Jy ! Clean residual min=-0.004134 max=0.005861 Jy/beam ! Clean residual mean=0.000009 rms=0.000927 Jy/beam ! Combined flux in latest and established models = 0.130866 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 19 components and 0.130866 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=0.057303Jy sigma=1.297181 ! Fit after self-cal, rms=0.056811Jy sigma=1.285346 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00827525 Jy ! Component: 100 - total flux cleaned = 0.0137963 Jy ! Total flux subtracted in 100 components = 0.0137963 Jy ! Clean residual min=-0.003137 max=0.004148 Jy/beam ! Clean residual mean=0.000005 rms=0.000723 Jy/beam ! Combined flux in latest and established models = 0.144662 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 26 components and 0.144662 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=0.055022Jy sigma=1.242877 ! Fit after self-cal, rms=0.054952Jy sigma=1.241322 ! 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=0.9812 mas, bmaj=1.575 mas, bpa=5.462 degrees ! Estimated noise=0.230906 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 = 0.00632913 Jy ! Component: 100 - total flux cleaned = 0.0100666 Jy ! Component: 150 - total flux cleaned = 0.0124628 Jy ! Component: 200 - total flux cleaned = 0.0140514 Jy ! Total flux subtracted in 200 components = 0.0140514 Jy ! Clean residual min=-0.002718 max=0.004206 Jy/beam ! Clean residual mean=0.000006 rms=0.000710 Jy/beam ! Combined flux in latest and established models = 0.158714 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 35 components and 0.158714 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=0.054154Jy sigma=1.223299 ! Fit after self-cal, rms=0.054095Jy sigma=1.222059 ! Inverting map ! Added new window around map position (2.2, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00400588 Jy ! Component: 100 - total flux cleaned = 0.00516653 Jy ! Component: 150 - total flux cleaned = 0.00571393 Jy ! Component: 200 - total flux cleaned = 0.00623502 Jy ! Total flux subtracted in 200 components = 0.00623502 Jy ! Clean residual min=-0.002482 max=0.003226 Jy/beam ! Clean residual mean=0.000005 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 0.164949 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 56 components and 0.164949 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=0.053759Jy sigma=1.213164 ! Fit after self-cal, rms=0.053728Jy sigma=1.212574 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9812 x 1.575 at 5.462 degrees (North through East) ! Clean map min=-0.0023243 max=0.10549 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 0.98 KP 1.04 ! LA 1.00 MK 1.01 NL 1.13 OV 0.94 ! PT 0.91 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.02 HN 0.97 KP 1.02 ! LA 0.97 MK 1.03 NL 1.12 OV 0.96 ! PT 0.94 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 HN 1.01 KP 1.00 ! LA 0.99 MK 1.03 NL 1.13 OV 0.91 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.03 HN 0.96 KP 1.05 ! LA 0.97 MK 0.95 NL 1.14 OV 0.91 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.05 HN 0.96 KP 1.03 ! LA 0.97 MK 0.97 NL 1.13 OV 0.94 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.98 KP 1.03 ! LA 1.01 MK 1.00 NL 1.11 OV 0.93 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 HN 0.96 KP 1.05 ! LA 0.97 MK 1.01 NL 1.12 OV 0.94 ! PT 0.92 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.97 KP 1.00 ! LA 0.99 MK 1.08 NL 1.17 OV 0.91 ! PT 0.94 SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.96 KP 1.02 ! LA 0.99 MK 1.01 NL 1.13 OV 0.93 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 HN 0.92 KP 1.05 ! LA 0.99 MK 1.06 NL 1.14 OV 0.91 ! PT 0.91 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 0.98 KP 1.03 ! LA 0.99 MK 1.02 NL 1.12 OV 0.96 ! PT 0.93 SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.05 HN 0.95 KP 0.99 ! LA 0.95 MK 1.05 NL 1.13 OV 0.92 ! PT 0.96 SC 0.95 ! ! ! Fit before self-cal, rms=0.053728Jy sigma=1.212574 ! Fit after self-cal, rms=0.052704Jy sigma=1.189770 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9777 mas, bmaj=1.579 mas, bpa=5.878 degrees ! Estimated noise=0.23206 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 (0.4, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000949701 Jy ! Component: 100 - total flux cleaned = 0.00163679 Jy ! Component: 150 - total flux cleaned = 0.00173225 Jy ! Component: 200 - total flux cleaned = 0.00169928 Jy ! Total flux subtracted in 200 components = 0.00169928 Jy ! Clean residual min=-0.001312 max=0.001337 Jy/beam ! Clean residual mean=0.000001 rms=0.000329 Jy/beam ! Combined flux in latest and established models = 0.166648 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 84 components and 0.166648 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=0.052582Jy sigma=1.186681 ! Fit after self-cal, rms=0.052586Jy sigma=1.186131 ! 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=0.052586Jy sigma=1.186131 ! Fit after self-cal, rms=0.052505Jy sigma=1.180825 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9779 mas, bmaj=1.578 mas, bpa=5.773 degrees ! Estimated noise=0.232104 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00025655 Jy ! Component: 100 - total flux cleaned = -0.000354312 Jy ! Component: 150 - total flux cleaned = -0.000436536 Jy ! Component: 200 - total flux cleaned = -0.000435951 Jy ! Total flux subtracted in 200 components = -0.000435951 Jy ! Clean residual min=-0.001176 max=0.001252 Jy/beam ! Clean residual mean=0.000000 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.166212 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 98 components and 0.166212 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=0.052469Jy sigma=1.180008 ! Fit after self-cal, rms=0.052470Jy sigma=1.179891 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 (-12.2, 18.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00116047 Jy ! Component: 100 - total flux cleaned = 0.00154134 Jy ! Component: 150 - total flux cleaned = 0.0016091 Jy ! Component: 200 - total flux cleaned = 0.00167098 Jy ! Total flux subtracted in 200 components = 0.00167098 Jy ! Clean residual min=-0.001177 max=0.001196 Jy/beam ! Clean residual mean=0.000000 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.167883 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 116 components and 0.167883 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=0.052438Jy sigma=1.179163 ! Fit after self-cal, rms=0.052437Jy sigma=1.179124 ! Inverting map ! Added new window around map position (46.4, -38.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108461 Jy ! Component: 100 - total flux cleaned = 0.00160043 Jy ! Component: 150 - total flux cleaned = 0.00187597 Jy ! Component: 200 - total flux cleaned = 0.00208826 Jy ! Total flux subtracted in 200 components = 0.00208826 Jy ! Clean residual min=-0.001174 max=0.001125 Jy/beam ! Clean residual mean=-0.000000 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.169971 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 134 components and 0.169971 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=0.052408Jy sigma=1.178409 ! Fit after self-cal, rms=0.052407Jy sigma=1.178381 ! 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=0.052407Jy sigma=1.178381 ! Fit after self-cal, rms=0.052331Jy sigma=1.177964 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9781 mas, bmaj=1.578 mas, bpa=5.853 degrees ! Estimated noise=0.231736 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000107287 Jy ! Component: 100 - total flux cleaned = 2.89837e-06 Jy ! Component: 150 - total flux cleaned = 0.000122623 Jy ! Component: 200 - total flux cleaned = 0.000177867 Jy ! Total flux subtracted in 200 components = 0.000177867 Jy ! Clean residual min=-0.001147 max=0.001086 Jy/beam ! Clean residual mean=-0.000000 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.170149 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 140 components and 0.170149 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=0.052315Jy sigma=1.177610 ! Fit after self-cal, rms=0.052316Jy sigma=1.177598 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 = 9.07953e-05 Jy ! Component: 100 - total flux cleaned = 0.000142253 Jy ! Component: 150 - total flux cleaned = 0.000158992 Jy ! Component: 200 - total flux cleaned = 0.00019129 Jy ! Total flux subtracted in 200 components = 0.00019129 Jy ! Clean residual min=-0.001140 max=0.001085 Jy/beam ! Clean residual mean=-0.000001 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.17034 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 146 components and 0.17034 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=0.052306Jy sigma=1.177389 ! Fit after self-cal, rms=0.052306Jy sigma=1.177388 ! 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=0.052306Jy sigma=1.177388 ! Fit after self-cal, rms=0.052274Jy sigma=1.177347 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.177 mas, bmaj=2.638 mas, bpa=4.541 degrees ! Estimated noise=0.290641 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.98056e-05 Jy ! Component: 100 - total flux cleaned = 0.000152311 Jy ! Component: 150 - total flux cleaned = 0.00029042 Jy ! Component: 200 - total flux cleaned = 0.000352053 Jy ! Total flux subtracted in 200 components = 0.000352053 Jy ! Clean residual min=-0.001213 max=0.001150 Jy/beam ! Clean residual mean=-0.000002 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.170692 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 163 components and 0.170692 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=0.052268Jy sigma=1.177239 ! Fit after self-cal, rms=0.052268Jy sigma=1.177228 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 = 4.45363e-06 Jy ! Component: 100 - total flux cleaned = 7.32392e-05 Jy ! Component: 150 - total flux cleaned = 8.38347e-05 Jy ! Component: 200 - total flux cleaned = 8.40757e-05 Jy ! Total flux subtracted in 200 components = 8.40757e-05 Jy ! Clean residual min=-0.001203 max=0.001156 Jy/beam ! Clean residual mean=-0.000002 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 0.170777 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 174 components and 0.170777 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=0.052266Jy sigma=1.177192 ! Fit after self-cal, rms=0.052266Jy sigma=1.177189 ! 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=0.9781 mas, bmaj=1.578 mas, bpa=5.885 degrees ! Estimated noise=0.231612 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9781 x 1.578 at 5.885 degrees (North through East) ! Clean map min=-0.0010608 max=0.10579 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=0.7726 mas, bmaj=1.28 mas, bpa=5.949 degrees ! Estimated noise=0.39816 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0797029 Jy ! Component: 100 - total flux cleaned = 0.106386 Jy ! Component: 150 - total flux cleaned = 0.122636 Jy ! Component: 200 - total flux cleaned = 0.13365 Jy ! Total flux subtracted in 200 components = 0.13365 Jy ! Clean residual min=-0.003136 max=0.006064 Jy/beam ! Clean residual mean=0.000007 rms=0.000725 Jy/beam ! Combined flux in latest and established models = 0.13365 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.13365 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9781 mas, bmaj=1.578 mas, bpa=5.885 degrees ! Estimated noise=0.231612 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 = 0.0106252 Jy ! Component: 100 - total flux cleaned = 0.0170344 Jy ! Component: 150 - total flux cleaned = 0.0212515 Jy ! Component: 200 - total flux cleaned = 0.0241811 Jy ! Total flux subtracted in 200 components = 0.0241811 Jy ! Clean residual min=-0.001466 max=0.001812 Jy/beam ! Clean residual mean=0.000003 rms=0.000360 Jy/beam ! Combined flux in latest and established models = 0.157831 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 55 components and 0.157831 Jy ! Inverting map ! Added new window around map position (0.4, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00223659 Jy ! Component: 100 - total flux cleaned = 0.0039888 Jy ! Component: 150 - total flux cleaned = 0.00543256 Jy ! Component: 200 - total flux cleaned = 0.00651674 Jy ! Total flux subtracted in 200 components = 0.00651674 Jy ! Clean residual min=-0.001329 max=0.001200 Jy/beam ! Clean residual mean=0.000001 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.164348 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 74 components and 0.164348 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=2.177 mas, bmaj=2.638 mas, bpa=4.541 degrees ! Estimated noise=0.290641 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0011796 Jy ! Component: 100 - total flux cleaned = 0.00191834 Jy ! Component: 150 - total flux cleaned = 0.00257269 Jy ! Component: 200 - total flux cleaned = 0.00307505 Jy ! Total flux subtracted in 200 components = 0.00307505 Jy ! Clean residual min=-0.001397 max=0.001350 Jy/beam ! Clean residual mean=-0.000001 rms=0.000337 Jy/beam ! Combined flux in latest and established models = 0.167423 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 = 0.000419621 Jy ! Component: 100 - total flux cleaned = 0.000843094 Jy ! Component: 150 - total flux cleaned = 0.0011998 Jy ! Component: 200 - total flux cleaned = 0.00154003 Jy ! Total flux subtracted in 200 components = 0.00154003 Jy ! Clean residual min=-0.001299 max=0.001256 Jy/beam ! Clean residual mean=-0.000002 rms=0.000316 Jy/beam ! Combined flux in latest and established models = 0.168963 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 135 components and 0.168963 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9781 mas, bmaj=1.578 mas, bpa=5.885 degrees ! Estimated noise=0.231612 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000228393 Jy ! Component: 100 - total flux cleaned = 0.000311668 Jy ! Component: 150 - total flux cleaned = 0.000388665 Jy ! Component: 200 - total flux cleaned = 0.000437194 Jy ! Total flux subtracted in 200 components = 0.000437194 Jy ! Clean residual min=-0.001176 max=0.001059 Jy/beam ! Clean residual mean=-0.000000 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.1694 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 160 components and 0.1694 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=0.052309Jy sigma=1.178178 ! Fit after self-cal, rms=0.052301Jy sigma=1.178032 wmodel J0844+3830_X_map.mod ! Writing 160 model components to file: J0844+3830_X_map.mod wobs J0844+3830_X_uvs.fits ! Writing UV FITS file: J0844+3830_X_uvs.fits wwins J0844+3830_X_map.win ! wwins: Wrote 7 windows to J0844+3830_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 = -0.000217211 Jy ! Component: 100 - total flux cleaned = -0.000349463 Jy ! Component: 150 - total flux cleaned = -0.000403794 Jy ! Component: 200 - total flux cleaned = -0.000438677 Jy ! Component: 250 - total flux cleaned = -0.0005236 Jy ! Component: 300 - total flux cleaned = -0.000539931 Jy ! Component: 350 - total flux cleaned = -0.000588642 Jy ! Component: 400 - total flux cleaned = -0.000652696 Jy ! Component: 450 - total flux cleaned = -0.000683974 Jy ! Component: 500 - total flux cleaned = -0.000714701 Jy ! Component: 550 - total flux cleaned = -0.000729944 Jy ! Component: 600 - total flux cleaned = -0.000774989 Jy ! Component: 650 - total flux cleaned = -0.000819426 Jy ! Component: 700 - total flux cleaned = -0.00086365 Jy ! Component: 750 - total flux cleaned = -0.00087832 Jy ! Component: 800 - total flux cleaned = -0.000921215 Jy ! Component: 850 - total flux cleaned = -0.00096344 Jy ! Component: 900 - total flux cleaned = -0.00101904 Jy ! Component: 950 - total flux cleaned = -0.00101881 Jy ! Component: 1000 - total flux cleaned = -0.00105951 Jy ! Component: 1050 - total flux cleaned = -0.00108638 Jy ! Component: 1100 - total flux cleaned = -0.00109977 Jy ! Component: 1150 - total flux cleaned = -0.00112599 Jy ! Component: 1200 - total flux cleaned = -0.00116515 Jy ! Component: 1250 - total flux cleaned = -0.00111334 Jy ! Component: 1300 - total flux cleaned = -0.00119028 Jy ! Component: 1350 - total flux cleaned = -0.00120296 Jy ! Component: 1400 - total flux cleaned = -0.00122816 Jy ! Component: 1450 - total flux cleaned = -0.00121574 Jy ! Component: 1500 - total flux cleaned = -0.00125278 Jy ! Component: 1550 - total flux cleaned = -0.00127718 Jy ! Component: 1600 - total flux cleaned = -0.00127715 Jy ! Component: 1650 - total flux cleaned = -0.00131338 Jy ! Component: 1700 - total flux cleaned = -0.00132536 Jy ! Component: 1750 - total flux cleaned = -0.00134915 Jy ! Component: 1800 - total flux cleaned = -0.00137272 Jy ! Component: 1850 - total flux cleaned = -0.00141919 Jy ! Component: 1900 - total flux cleaned = -0.00143081 Jy ! Component: 1950 - total flux cleaned = -0.0014765 Jy ! Component: 2000 - total flux cleaned = -0.00141934 Jy ! Component: 2050 - total flux cleaned = -0.00143063 Jy ! Component: 2100 - total flux cleaned = -0.00148676 Jy ! Component: 2150 - total flux cleaned = -0.00145329 Jy ! Component: 2200 - total flux cleaned = -0.00144225 Jy ! Component: 2250 - total flux cleaned = -0.00147532 Jy ! Component: 2300 - total flux cleaned = -0.00148623 Jy ! Component: 2350 - total flux cleaned = -0.00146454 Jy ! Component: 2400 - total flux cleaned = -0.00146461 Jy ! Component: 2450 - total flux cleaned = -0.00150751 Jy ! Component: 2500 - total flux cleaned = -0.00151806 Jy ! Component: 2550 - total flux cleaned = -0.00150742 Jy ! Component: 2600 - total flux cleaned = -0.00154945 Jy ! Component: 2650 - total flux cleaned = -0.00155976 Jy ! Component: 2700 - total flux cleaned = -0.00158049 Jy ! Component: 2750 - total flux cleaned = -0.00158043 Jy ! Component: 2800 - total flux cleaned = -0.00160096 Jy ! Component: 2850 - total flux cleaned = -0.00159079 Jy ! Component: 2900 - total flux cleaned = -0.00162119 Jy ! Component: 2950 - total flux cleaned = -0.00165129 Jy ! Component: 3000 - total flux cleaned = -0.00165131 Jy ! Component: 3050 - total flux cleaned = -0.00167123 Jy ! Component: 3100 - total flux cleaned = -0.00168122 Jy ! Component: 3150 - total flux cleaned = -0.00175027 Jy ! Component: 3200 - total flux cleaned = -0.00174055 Jy ! Component: 3250 - total flux cleaned = -0.00176978 Jy ! Component: 3300 - total flux cleaned = -0.00174062 Jy ! Component: 3350 - total flux cleaned = -0.0018082 Jy ! Component: 3400 - total flux cleaned = -0.00178894 Jy ! Component: 3450 - total flux cleaned = -0.0017699 Jy ! Component: 3500 - total flux cleaned = -0.0018364 Jy ! Component: 3550 - total flux cleaned = -0.00181739 Jy ! Component: 3600 - total flux cleaned = -0.00180801 Jy ! Component: 3650 - total flux cleaned = -0.0018267 Jy ! Component: 3700 - total flux cleaned = -0.00183597 Jy ! Component: 3750 - total flux cleaned = -0.00184526 Jy ! Component: 3800 - total flux cleaned = -0.00183594 Jy ! Component: 3850 - total flux cleaned = -0.00183592 Jy ! Component: 3900 - total flux cleaned = -0.00188153 Jy ! Component: 3950 - total flux cleaned = -0.00185427 Jy ! Component: 4000 - total flux cleaned = -0.00187234 Jy ! Component: 4050 - total flux cleaned = -0.00186331 Jy ! Total flux subtracted in 4096 components = -0.00182741 Jy ! Clean residual min=-0.000533 max=0.000525 Jy/beam ! Clean residual mean=-0.000000 rms=0.000155 Jy/beam ! Combined flux in latest and established models = 0.167573 Jy keep ! Adding 342 model components to the UV plane model. ! The established model now contains 502 components and 0.167573 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0844+3830_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9781 x 1.578 at 5.885 degrees (North through East) ! Clean map min=-0.0008087 max=0.10627 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0844+3830_X_map.fits wmodel /vlbi/uf001/uva//J0844+3830_X_map.mod ! Writing 502 model components to file: /vlbi/uf001/uva//J0844+3830_X_map.mod wobs /vlbi/uf001/uva//J0844+3830_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0844+3830_X_uvs.fits wwins /vlbi/uf001/uva//J0844+3830_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J0844+3830_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.10627 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000154697 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.436711 0.436711 0.873423 1.74685 3.49369 6.98738 13.9748 27.9495 55.8991 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.106 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 686.952 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0844+3830_X_dfm.log closed on Mon Jan 14 00:05:11 2019