! Started logfile: /vlbi/uf001/uva//J1644-1804_X_dfm.log on Mon Jan 14 03:51:49 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//J1644-1804_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1644-1804_X_uva.fits ! AN table 1: 58 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.977833 visibilities/baseline/integration-bin. ! Found source: J1644-1804 ! ! 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 14292 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 J1644-1804_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 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 18 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.008849Jy sigma=21.591865 ! Fit after self-cal, rms=0.849839Jy sigma=18.111038 ! 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=1.243 mas, bmaj=7.823 mas, bpa=-7.317 degrees ! Estimated noise=0.676815 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 = 0.116529 Jy ! Component: 100 - total flux cleaned = 0.142441 Jy ! Total flux subtracted in 100 components = 0.142441 Jy ! Clean residual min=-0.005054 max=0.009078 Jy/beam ! Clean residual mean=-0.000029 rms=0.001876 Jy/beam ! Combined flux in latest and established models = 0.142441 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.142441 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=0.063104Jy sigma=1.261411 ! Fit after self-cal, rms=0.063030Jy sigma=1.260524 ! 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=1.578 mas, bmaj=7.749 mas, bpa=-6.987 degrees ! Estimated noise=0.286871 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 = 0.0142547 Jy ! Component: 100 - total flux cleaned = 0.0218757 Jy ! Component: 150 - total flux cleaned = 0.0263013 Jy ! Component: 200 - total flux cleaned = 0.0291087 Jy ! Total flux subtracted in 200 components = 0.0291087 Jy ! Clean residual min=-0.003600 max=0.003978 Jy/beam ! Clean residual mean=-0.000009 rms=0.001051 Jy/beam ! Combined flux in latest and established models = 0.171549 Jy ! Performing phase self-cal ! Adding 74 model components to the UV plane model. ! The established model now contains 79 components and 0.171549 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=0.060106Jy sigma=1.182738 ! Fit after self-cal, rms=0.060116Jy sigma=1.182235 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.578 x 7.749 at -6.987 degrees (North through East) ! Clean map min=-0.0037159 max=0.1514 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.07 KP 0.97 LA 0.99 ! NL 1.06 OV 0.96 PT 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.06 KP 0.99 LA 1.01 ! NL 1.04 OV 0.96 PT 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.07 KP 1.00 LA 1.00 ! NL 1.03 OV 0.97 PT 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 1.03 KP 0.99 LA 0.97 ! NL 1.07 OV 0.97 PT 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.01 KP 1.03 LA 1.00 ! NL 1.05 OV 0.96 PT 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.09 KP 0.99 LA 1.02 ! NL 1.04 OV 0.96 PT 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 1.06 KP 0.98 LA 0.98 ! NL 1.04 OV 0.95 PT 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.03 KP 0.99 LA 1.00 ! NL 1.03 OV 0.98 PT 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.05 KP 1.02 LA 1.00 ! NL 1.03 OV 0.95 PT 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.00 KP 0.99 LA 0.99 ! NL 1.04 OV 0.98 PT 0.94 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.03 KP 0.99 LA 0.98 ! NL 1.02 OV 0.97 PT 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.07 KP 0.98 LA 0.98 ! NL 1.06 OV 0.96 PT 0.95 ! ! ! Fit before self-cal, rms=0.060116Jy sigma=1.182235 ! Fit after self-cal, rms=0.060138Jy sigma=1.171499 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.596 mas, bmaj=7.775 mas, bpa=-6.835 degrees ! Estimated noise=0.285723 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 = -0.00148743 Jy ! Component: 100 - total flux cleaned = -0.0014005 Jy ! Component: 150 - total flux cleaned = -0.00130124 Jy ! Component: 200 - total flux cleaned = -0.00125755 Jy ! Total flux subtracted in 200 components = -0.00125755 Jy ! Clean residual min=-0.002101 max=0.003456 Jy/beam ! Clean residual mean=-0.000005 rms=0.000732 Jy/beam ! Combined flux in latest and established models = 0.170292 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 96 components and 0.170292 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=0.060037Jy sigma=1.170041 ! Fit after self-cal, rms=0.060067Jy sigma=1.169927 ! 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=0.060067Jy sigma=1.169927 ! Fit after self-cal, rms=0.060219Jy sigma=1.165281 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.597 mas, bmaj=7.765 mas, bpa=-6.848 degrees ! Estimated noise=0.285786 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00132506 Jy ! Component: 100 - total flux cleaned = -0.00156309 Jy ! Component: 150 - total flux cleaned = -0.00162765 Jy ! Component: 200 - total flux cleaned = -0.00169442 Jy ! Total flux subtracted in 200 components = -0.00169442 Jy ! Clean residual min=-0.001957 max=0.002999 Jy/beam ! Clean residual mean=-0.000002 rms=0.000607 Jy/beam ! Combined flux in latest and established models = 0.168597 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 120 components and 0.168597 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=0.060172Jy sigma=1.164818 ! Fit after self-cal, rms=0.060184Jy sigma=1.164778 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 (4.2, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00267676 Jy ! Component: 100 - total flux cleaned = 0.00273305 Jy ! Component: 150 - total flux cleaned = 0.00301012 Jy ! Component: 200 - total flux cleaned = 0.00333833 Jy ! Total flux subtracted in 200 components = 0.00333833 Jy ! Clean residual min=-0.001690 max=0.001491 Jy/beam ! Clean residual mean=-0.000002 rms=0.000440 Jy/beam ! Combined flux in latest and established models = 0.171936 Jy ! Performing phase self-cal ! Adding 60 model components to the UV plane model. ! The established model now contains 180 components and 0.171936 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=0.060058Jy sigma=1.161920 ! Fit after self-cal, rms=0.060049Jy sigma=1.161739 ! 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=0.060049Jy sigma=1.161739 ! Fit after self-cal, rms=0.060130Jy sigma=1.161169 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.598 mas, bmaj=7.766 mas, bpa=-6.829 degrees ! Estimated noise=0.285122 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000167917 Jy ! Component: 100 - total flux cleaned = 0.000394339 Jy ! Component: 150 - total flux cleaned = 0.000655311 Jy ! Component: 200 - total flux cleaned = 0.000787422 Jy ! Total flux subtracted in 200 components = 0.000787422 Jy ! Clean residual min=-0.001535 max=0.001202 Jy/beam ! Clean residual mean=-0.000002 rms=0.000359 Jy/beam ! Combined flux in latest and established models = 0.172723 Jy selfcal ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 216 components and 0.172723 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=0.060092Jy sigma=1.160514 ! Fit after self-cal, rms=0.060098Jy sigma=1.160477 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 = 0.000157775 Jy ! Component: 100 - total flux cleaned = 0.000386142 Jy ! Component: 150 - total flux cleaned = 0.000555057 Jy ! Component: 200 - total flux cleaned = 0.000617516 Jy ! Total flux subtracted in 200 components = 0.000617516 Jy ! Clean residual min=-0.001527 max=0.001154 Jy/beam ! Clean residual mean=-0.000002 rms=0.000347 Jy/beam ! Combined flux in latest and established models = 0.173341 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 240 components and 0.173341 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=0.060086Jy sigma=1.160283 ! Fit after self-cal, rms=0.060084Jy sigma=1.160277 ! 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=0.060084Jy sigma=1.160277 ! Fit after self-cal, rms=0.060144Jy sigma=1.160097 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.327 mas, bmaj=7.948 mas, bpa=-5.389 degrees ! Estimated noise=0.296797 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000264123 Jy ! Component: 100 - total flux cleaned = -0.000144075 Jy ! Component: 150 - total flux cleaned = 4.25808e-05 Jy ! Component: 200 - total flux cleaned = 0.000135608 Jy ! Total flux subtracted in 200 components = 0.000135608 Jy ! Clean residual min=-0.001496 max=0.001079 Jy/beam ! Clean residual mean=-0.000003 rms=0.000359 Jy/beam ! Combined flux in latest and established models = 0.173476 Jy selfcal ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 275 components and 0.173476 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=0.060130Jy sigma=1.159900 ! Fit after self-cal, rms=0.060134Jy sigma=1.159894 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 = 9.51539e-05 Jy ! Component: 100 - total flux cleaned = 0.000167312 Jy ! Component: 150 - total flux cleaned = 0.000214536 Jy ! Component: 200 - total flux cleaned = 0.000249552 Jy ! Total flux subtracted in 200 components = 0.000249552 Jy ! Clean residual min=-0.001507 max=0.001084 Jy/beam ! Clean residual mean=-0.000003 rms=0.000355 Jy/beam ! Combined flux in latest and established models = 0.173726 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 292 components and 0.173726 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=0.060130Jy sigma=1.159840 ! Fit after self-cal, rms=0.060129Jy sigma=1.159841 ! 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=1.598 mas, bmaj=7.764 mas, bpa=-6.814 degrees ! Estimated noise=0.284789 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.598 x 7.764 at -6.814 degrees (North through East) ! Clean map min=-0.0014302 max=0.15138 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=1.253 mas, bmaj=7.815 mas, bpa=-7.216 degrees ! Estimated noise=0.677489 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.116663 Jy ! Component: 100 - total flux cleaned = 0.142219 Jy ! Component: 150 - total flux cleaned = 0.150607 Jy ! Component: 200 - total flux cleaned = 0.154923 Jy ! Total flux subtracted in 200 components = 0.154923 Jy ! Clean residual min=-0.003200 max=0.003037 Jy/beam ! Clean residual mean=-0.000011 rms=0.000875 Jy/beam ! Combined flux in latest and established models = 0.154923 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.154923 Jy ! Inverting map and beam ! Estimated beam: bmin=1.598 mas, bmaj=7.764 mas, bpa=-6.814 degrees ! Estimated noise=0.284789 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 = 0.00489459 Jy ! Component: 100 - total flux cleaned = 0.0082742 Jy ! Component: 150 - total flux cleaned = 0.0107215 Jy ! Component: 200 - total flux cleaned = 0.0125249 Jy ! Total flux subtracted in 200 components = 0.0125249 Jy ! Clean residual min=-0.001614 max=0.001716 Jy/beam ! Clean residual mean=-0.000006 rms=0.000453 Jy/beam ! Combined flux in latest and established models = 0.167448 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 77 components and 0.167448 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=2.327 mas, bmaj=7.948 mas, bpa=-5.389 degrees ! Estimated noise=0.296797 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129187 Jy ! Component: 100 - total flux cleaned = 0.00204549 Jy ! Component: 150 - total flux cleaned = 0.00264667 Jy ! Component: 200 - total flux cleaned = 0.00313905 Jy ! Total flux subtracted in 200 components = 0.00313905 Jy ! Clean residual min=-0.001602 max=0.001363 Jy/beam ! Clean residual mean=-0.000005 rms=0.000413 Jy/beam ! Combined flux in latest and established models = 0.170587 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 = 0.000474729 Jy ! Component: 100 - total flux cleaned = 0.00088611 Jy ! Component: 150 - total flux cleaned = 0.00124559 Jy ! Component: 200 - total flux cleaned = 0.00154475 Jy ! Total flux subtracted in 200 components = 0.00154475 Jy ! Clean residual min=-0.001572 max=0.001230 Jy/beam ! Clean residual mean=-0.000004 rms=0.000378 Jy/beam ! Combined flux in latest and established models = 0.172132 Jy ! Adding 119 model components to the UV plane model. ! The established model now contains 181 components and 0.172132 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.598 mas, bmaj=7.764 mas, bpa=-6.814 degrees ! Estimated noise=0.284789 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00026618 Jy ! Component: 100 - total flux cleaned = 0.000463644 Jy ! Component: 150 - total flux cleaned = 0.000521061 Jy ! Component: 200 - total flux cleaned = 0.000590603 Jy ! Total flux subtracted in 200 components = 0.000590603 Jy ! Clean residual min=-0.001428 max=0.001212 Jy/beam ! Clean residual mean=-0.000003 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.172722 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 203 components and 0.172722 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=0.060142Jy sigma=1.160058 ! Fit after self-cal, rms=0.060140Jy sigma=1.160035 wmodel J1644-1804_X_map.mod ! Writing 203 model components to file: J1644-1804_X_map.mod wobs J1644-1804_X_uvs.fits ! Writing UV FITS file: J1644-1804_X_uvs.fits wwins J1644-1804_X_map.win ! wwins: Wrote 2 windows to J1644-1804_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 = -0.000443763 Jy ! Component: 100 - total flux cleaned = -0.000527644 Jy ! Component: 150 - total flux cleaned = -0.000580899 Jy ! Component: 200 - total flux cleaned = -0.000648591 Jy ! Component: 250 - total flux cleaned = -0.000695918 Jy ! Component: 300 - total flux cleaned = -0.000786303 Jy ! Component: 350 - total flux cleaned = -0.000829533 Jy ! Component: 400 - total flux cleaned = -0.000870984 Jy ! Component: 450 - total flux cleaned = -0.000910559 Jy ! Component: 500 - total flux cleaned = -0.000923152 Jy ! Component: 550 - total flux cleaned = -0.00096021 Jy ! Component: 600 - total flux cleaned = -0.00100813 Jy ! Component: 650 - total flux cleaned = -0.00106631 Jy ! Component: 700 - total flux cleaned = -0.00111188 Jy ! Component: 750 - total flux cleaned = -0.00116728 Jy ! Component: 800 - total flux cleaned = -0.0012424 Jy ! Component: 850 - total flux cleaned = -0.00124237 Jy ! Component: 900 - total flux cleaned = -0.00129367 Jy ! Component: 950 - total flux cleaned = -0.0013235 Jy ! Component: 1000 - total flux cleaned = -0.00134295 Jy ! Component: 1050 - total flux cleaned = -0.00137136 Jy ! Component: 1100 - total flux cleaned = -0.0013714 Jy ! Component: 1150 - total flux cleaned = -0.00136218 Jy ! Component: 1200 - total flux cleaned = -0.00132617 Jy ! Component: 1250 - total flux cleaned = -0.00128243 Jy ! Component: 1300 - total flux cleaned = -0.0012654 Jy ! Component: 1350 - total flux cleaned = -0.00123154 Jy ! Component: 1400 - total flux cleaned = -0.0011898 Jy ! Component: 1450 - total flux cleaned = -0.00117334 Jy ! Component: 1500 - total flux cleaned = -0.00114085 Jy ! Component: 1550 - total flux cleaned = -0.00109289 Jy ! Component: 1600 - total flux cleaned = -0.00109288 Jy ! Component: 1650 - total flux cleaned = -0.00106193 Jy ! Component: 1700 - total flux cleaned = -0.00103905 Jy ! Component: 1750 - total flux cleaned = -0.00103142 Jy ! Component: 1800 - total flux cleaned = -0.00101641 Jy ! Component: 1850 - total flux cleaned = -0.00100899 Jy ! Component: 1900 - total flux cleaned = -0.000979849 Jy ! Component: 1950 - total flux cleaned = -0.000979907 Jy ! Component: 2000 - total flux cleaned = -0.000972797 Jy ! Component: 2050 - total flux cleaned = -0.000965811 Jy ! Component: 2100 - total flux cleaned = -0.00097277 Jy ! Component: 2150 - total flux cleaned = -0.000972727 Jy ! Component: 2200 - total flux cleaned = -0.000993042 Jy ! Component: 2250 - total flux cleaned = -0.00100641 Jy ! Component: 2300 - total flux cleaned = -0.0010196 Jy ! Component: 2350 - total flux cleaned = -0.00101957 Jy ! Component: 2400 - total flux cleaned = -0.00104544 Jy ! Component: 2450 - total flux cleaned = -0.00103906 Jy ! Component: 2500 - total flux cleaned = -0.0010581 Jy ! Component: 2550 - total flux cleaned = -0.00107059 Jy ! Component: 2600 - total flux cleaned = -0.00107057 Jy ! Component: 2650 - total flux cleaned = -0.00108904 Jy ! Component: 2700 - total flux cleaned = -0.00110742 Jy ! Component: 2750 - total flux cleaned = -0.00113759 Jy ! Component: 2800 - total flux cleaned = -0.00115556 Jy ! Component: 2850 - total flux cleaned = -0.00119115 Jy ! Component: 2900 - total flux cleaned = -0.00120886 Jy ! Component: 2950 - total flux cleaned = -0.00123809 Jy ! Component: 3000 - total flux cleaned = -0.00126128 Jy ! Component: 3050 - total flux cleaned = -0.00129008 Jy ! Component: 3100 - total flux cleaned = -0.00131856 Jy ! Component: 3150 - total flux cleaned = -0.00134114 Jy ! Component: 3200 - total flux cleaned = -0.00135801 Jy ! Component: 3250 - total flux cleaned = -0.00141365 Jy ! Component: 3300 - total flux cleaned = -0.00143568 Jy ! Component: 3350 - total flux cleaned = -0.00146862 Jy ! Component: 3400 - total flux cleaned = -0.00150128 Jy ! Component: 3450 - total flux cleaned = -0.00153375 Jy ! Component: 3500 - total flux cleaned = -0.0015713 Jy ! Component: 3550 - total flux cleaned = -0.00160327 Jy ! Component: 3600 - total flux cleaned = -0.00161387 Jy ! Component: 3650 - total flux cleaned = -0.00164015 Jy ! Component: 3700 - total flux cleaned = -0.00167146 Jy ! Component: 3750 - total flux cleaned = -0.00167663 Jy ! Component: 3800 - total flux cleaned = -0.00169727 Jy ! Component: 3850 - total flux cleaned = -0.00171263 Jy ! Component: 3900 - total flux cleaned = -0.00173302 Jy ! Component: 3950 - total flux cleaned = -0.00174314 Jy ! Component: 4000 - total flux cleaned = -0.00176335 Jy ! Component: 4050 - total flux cleaned = -0.00177845 Jy ! Total flux subtracted in 4096 components = -0.00180346 Jy ! Clean residual min=-0.000320 max=0.000265 Jy/beam ! Clean residual mean=-0.000001 rms=0.000100 Jy/beam ! Combined flux in latest and established models = 0.170919 Jy keep ! Adding 329 model components to the UV plane model. ! The established model now contains 532 components and 0.170919 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1644-1804_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.598 x 7.764 at -6.814 degrees (North through East) ! Clean map min=-0.00098664 max=0.15176 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1644-1804_X_map.fits wmodel /vlbi/uf001/uva//J1644-1804_X_map.mod ! Writing 532 model components to file: /vlbi/uf001/uva//J1644-1804_X_map.mod wobs /vlbi/uf001/uva//J1644-1804_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1644-1804_X_uvs.fits wwins /vlbi/uf001/uva//J1644-1804_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J1644-1804_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.151759 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 9.8018e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.193764 0.193764 0.387528 0.775056 1.55011 3.10022 6.20045 12.4009 24.8018 49.6036 99.2072 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.151 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1548.27 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1644-1804_X_dfm.log closed on Mon Jan 14 03:51:54 2019