! Started logfile: /vlbi/uf001/uva//J1640+3946_X_b_dfm.log on Mon Jan 14 03:49:33 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//J1640+3946_X_b_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1640+3946_X_b_uva.fits ! AN table 1: 7 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.891156 visibilities/baseline/integration-bin. ! Found source: J1640+3946 ! ! 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 1572 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 J1640+3946_X_b] 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 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.304266Jy sigma=19.151940 ! Fit after self-cal, rms=0.204152Jy sigma=3.005078 ! 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=1.287 mas, bmaj=4.88 mas, bpa=-55.89 degrees ! Estimated noise=2.04026 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 = 0.628442 Jy ! Component: 100 - total flux cleaned = 0.767874 Jy ! Total flux subtracted in 100 components = 0.767874 Jy ! Clean residual min=-0.027166 max=0.049818 Jy/beam ! Clean residual mean=0.000105 rms=0.011001 Jy/beam ! Combined flux in latest and established models = 0.767874 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.767874 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=0.115666Jy sigma=1.717379 ! Fit after self-cal, rms=0.115631Jy sigma=1.716591 ! 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=1.545 mas, bmaj=4.814 mas, bpa=-54.89 degrees ! Estimated noise=1.3574 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 = 0.0712041 Jy ! Component: 100 - total flux cleaned = 0.109507 Jy ! Component: 150 - total flux cleaned = 0.131039 Jy ! Component: 200 - total flux cleaned = 0.139956 Jy ! Total flux subtracted in 200 components = 0.139956 Jy ! Clean residual min=-0.015911 max=0.012526 Jy/beam ! Clean residual mean=0.000027 rms=0.004010 Jy/beam ! Combined flux in latest and established models = 0.90783 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 36 components and 0.90783 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=0.061270Jy sigma=0.875120 ! Fit after self-cal, rms=0.061197Jy sigma=0.873800 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.545 x 4.814 at -54.89 degrees (North through East) ! Clean map min=-0.015302 max=0.80331 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 1.01 KP 0.99 LA 1.01 ! NL 0.99 OV 0.98 PT 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.00 KP 1.02 LA 1.01 ! NL 1.01 OV 0.98 PT 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 0.99 KP 1.02 LA 1.01 ! NL 1.00 OV 0.97 PT 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.01 KP 1.01 LA 1.00 ! NL 1.01 OV 0.97 PT 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.01 KP 1.02 LA 1.01 ! NL 0.99 OV 0.98 PT 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 1.00 KP 1.01 LA 1.01 ! NL 1.01 OV 0.99 PT 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.00 KP 1.02 LA 1.00 ! NL 1.00 OV 0.97 PT 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 0.99 KP 1.03 LA 1.02 ! NL 1.03 OV 0.99 PT 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.00 KP 1.01 LA 1.01 ! NL 1.01 OV 0.98 PT 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 HN 0.98 KP 1.00 LA 1.00 ! NL 1.01 OV 0.97 PT 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.03 KP 1.04 LA 0.99 ! NL 1.02 OV 0.96 PT 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.03 KP 1.01 LA 1.02 ! NL 1.02 OV 0.97 PT 0.94 ! ! ! Fit before self-cal, rms=0.061197Jy sigma=0.873800 ! Fit after self-cal, rms=0.054709Jy sigma=0.762902 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.549 mas, bmaj=4.806 mas, bpa=-54.72 degrees ! Estimated noise=1.34802 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 = -0.0019304 Jy ! Component: 100 - total flux cleaned = -0.00406851 Jy ! Component: 150 - total flux cleaned = -0.00480958 Jy ! Component: 200 - total flux cleaned = -0.00522527 Jy ! Total flux subtracted in 200 components = -0.00522527 Jy ! Clean residual min=-0.006064 max=0.005418 Jy/beam ! Clean residual mean=-0.000001 rms=0.001417 Jy/beam ! Combined flux in latest and established models = 0.902605 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 48 components and 0.902605 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=0.053848Jy sigma=0.751971 ! Fit after self-cal, rms=0.053824Jy sigma=0.751215 ! 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=0.053824Jy sigma=0.751215 ! Fit after self-cal, rms=0.053760Jy sigma=0.750763 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.548 mas, bmaj=4.811 mas, bpa=-54.73 degrees ! Estimated noise=1.34759 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0017044 Jy ! Component: 100 - total flux cleaned = -0.00254101 Jy ! Component: 150 - total flux cleaned = -0.002926 Jy ! Component: 200 - total flux cleaned = -0.00319266 Jy ! Total flux subtracted in 200 components = -0.00319266 Jy ! Clean residual min=-0.005304 max=0.004658 Jy/beam ! Clean residual mean=-0.000002 rms=0.001246 Jy/beam ! Combined flux in latest and established models = 0.899412 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 56 components and 0.899413 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=0.053469Jy sigma=0.747108 ! Fit after self-cal, rms=0.053466Jy sigma=0.746957 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 = -0.000489182 Jy ! Component: 100 - total flux cleaned = -0.000655318 Jy ! Component: 150 - total flux cleaned = -0.000862848 Jy ! Component: 200 - total flux cleaned = -0.00110357 Jy ! Total flux subtracted in 200 components = -0.00110357 Jy ! Clean residual min=-0.005000 max=0.004324 Jy/beam ! Clean residual mean=-0.000002 rms=0.001184 Jy/beam ! Combined flux in latest and established models = 0.898309 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 64 components and 0.898309 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=0.053352Jy sigma=0.745520 ! Fit after self-cal, rms=0.053355Jy sigma=0.745479 ! 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=0.053355Jy sigma=0.745479 ! Fit after self-cal, rms=0.053279Jy sigma=0.745081 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.547 mas, bmaj=4.814 mas, bpa=-54.74 degrees ! Estimated noise=1.34693 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00129901 Jy ! Component: 100 - total flux cleaned = -0.0017597 Jy ! Component: 150 - total flux cleaned = -0.00206947 Jy ! Component: 200 - total flux cleaned = -0.0022711 Jy ! Total flux subtracted in 200 components = -0.0022711 Jy ! Clean residual min=-0.004618 max=0.004150 Jy/beam ! Clean residual mean=-0.000002 rms=0.001119 Jy/beam ! Combined flux in latest and established models = 0.896038 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 72 components and 0.896038 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=0.053183Jy sigma=0.743997 ! Fit after self-cal, rms=0.053186Jy sigma=0.743981 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 = -0.000238617 Jy ! Component: 100 - total flux cleaned = -0.000379841 Jy ! Component: 150 - total flux cleaned = -0.000547039 Jy ! Component: 200 - total flux cleaned = -0.000674042 Jy ! Total flux subtracted in 200 components = -0.000674042 Jy ! Clean residual min=-0.004491 max=0.004200 Jy/beam ! Clean residual mean=-0.000002 rms=0.001095 Jy/beam ! Combined flux in latest and established models = 0.895364 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 83 components and 0.895364 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=0.053142Jy sigma=0.743451 ! Fit after self-cal, rms=0.053145Jy sigma=0.743443 ! 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=0.053145Jy sigma=0.743443 ! Fit after self-cal, rms=0.053095Jy sigma=0.743222 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.243 mas, bmaj=4.734 mas, bpa=-53.32 degrees ! Estimated noise=1.46696 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00129004 Jy ! Component: 100 - total flux cleaned = -0.00203338 Jy ! Component: 150 - total flux cleaned = -0.00222939 Jy ! Component: 200 - total flux cleaned = -0.00235326 Jy ! Total flux subtracted in 200 components = -0.00235326 Jy ! Clean residual min=-0.003863 max=0.003948 Jy/beam ! Clean residual mean=-0.000003 rms=0.001052 Jy/beam ! Combined flux in latest and established models = 0.893011 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 90 components and 0.89301 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=0.053051Jy sigma=0.742735 ! Fit after self-cal, rms=0.053054Jy sigma=0.742727 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 = -0.000145214 Jy ! Component: 100 - total flux cleaned = -0.000253797 Jy ! Component: 150 - total flux cleaned = -0.000355071 Jy ! Component: 200 - total flux cleaned = -0.000451476 Jy ! Total flux subtracted in 200 components = -0.000451476 Jy ! Clean residual min=-0.003832 max=0.003891 Jy/beam ! Clean residual mean=-0.000003 rms=0.001035 Jy/beam ! Combined flux in latest and established models = 0.892559 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 109 components and 0.892559 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=0.053034Jy sigma=0.742543 ! Fit after self-cal, rms=0.053038Jy sigma=0.742536 ! 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=1.546 mas, bmaj=4.816 mas, bpa=-54.74 degrees ! Estimated noise=1.34653 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.546 x 4.816 at -54.74 degrees (North through East) ! Clean map min=-0.0084206 max=0.79746 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 ! Performing amp+phase self-cal ! ! 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=0.053038Jy sigma=0.742536 ! Fit after self-cal, rms=0.049102Jy sigma=0.679293 ! Inverting map and beam ! Estimated beam: bmin=1.546 mas, bmaj=4.818 mas, bpa=-54.74 degrees ! Estimated noise=1.34643 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000435249 Jy ! Component: 100 - total flux cleaned = -0.00070316 Jy ! Component: 150 - total flux cleaned = -0.000818304 Jy ! Component: 200 - total flux cleaned = -0.000948131 Jy ! Total flux subtracted in 200 components = -0.000948131 Jy ! Clean residual min=-0.004102 max=0.004029 Jy/beam ! Clean residual mean=-0.000004 rms=0.001035 Jy/beam ! Combined flux in latest and established models = 0.891611 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 119 components and 0.891611 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=0.049057Jy sigma=0.678827 ! Fit after self-cal, rms=0.049059Jy sigma=0.678822 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000123477 Jy ! Component: 100 - total flux cleaned = -0.000256698 Jy ! Component: 150 - total flux cleaned = -0.000360744 Jy ! Component: 200 - total flux cleaned = -0.000458509 Jy ! Total flux subtracted in 200 components = -0.000458509 Jy ! Clean residual min=-0.004046 max=0.004018 Jy/beam ! Clean residual mean=-0.000004 rms=0.001027 Jy/beam ! Combined flux in latest and established models = 0.891153 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 122 components and 0.891153 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=0.049040Jy sigma=0.678621 ! Fit after self-cal, rms=0.049041Jy sigma=0.678617 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.049041Jy sigma=0.678617 ! Fit after self-cal, rms=0.049008Jy sigma=0.678484 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=1.286 mas, bmaj=4.883 mas, bpa=-55.76 degrees ! Estimated noise=2.02523 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.623769 Jy ! Component: 100 - total flux cleaned = 0.761616 Jy ! Component: 150 - total flux cleaned = 0.812776 Jy ! Component: 200 - total flux cleaned = 0.845192 Jy ! Total flux subtracted in 200 components = 0.845192 Jy ! Clean residual min=-0.015348 max=0.019113 Jy/beam ! Clean residual mean=0.000031 rms=0.004681 Jy/beam ! Combined flux in latest and established models = 0.845192 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.845192 Jy ! Inverting map and beam ! Estimated beam: bmin=1.545 mas, bmaj=4.818 mas, bpa=-54.74 degrees ! Estimated noise=1.3463 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) ! Added new window around map position (40.6, 17.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0283819 Jy ! Component: 100 - total flux cleaned = 0.0402932 Jy ! Component: 150 - total flux cleaned = 0.0415966 Jy ! Component: 200 - total flux cleaned = 0.0415978 Jy ! Total flux subtracted in 200 components = 0.0415978 Jy ! Clean residual min=-0.005796 max=0.005654 Jy/beam ! Clean residual mean=0.000003 rms=0.001636 Jy/beam ! Combined flux in latest and established models = 0.88679 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 45 components and 0.88679 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=2.242 mas, bmaj=4.735 mas, bpa=-53.31 degrees ! Estimated noise=1.46729 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00264394 Jy ! Component: 100 - total flux cleaned = 0.00268154 Jy ! Component: 150 - total flux cleaned = 0.00232624 Jy ! Component: 200 - total flux cleaned = 0.00231652 Jy ! Total flux subtracted in 200 components = 0.00231652 Jy ! Clean residual min=-0.003868 max=0.003692 Jy/beam ! Clean residual mean=-0.000002 rms=0.001097 Jy/beam ! Combined flux in latest and established models = 0.889106 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 = -0.000315952 Jy ! Component: 100 - total flux cleaned = -0.000649472 Jy ! Component: 150 - total flux cleaned = -0.000951068 Jy ! Component: 200 - total flux cleaned = -0.00117124 Jy ! Total flux subtracted in 200 components = -0.00117124 Jy ! Clean residual min=-0.003691 max=0.003483 Jy/beam ! Clean residual mean=-0.000002 rms=0.000963 Jy/beam ! Combined flux in latest and established models = 0.887935 Jy ! Adding 86 model components to the UV plane model. ! The established model now contains 123 components and 0.887935 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.545 mas, bmaj=4.818 mas, bpa=-54.74 degrees ! Estimated noise=1.3463 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00017125 Jy ! Component: 100 - total flux cleaned = -0.00017357 Jy ! Component: 150 - total flux cleaned = -0.000238721 Jy ! Component: 200 - total flux cleaned = -0.000239472 Jy ! Total flux subtracted in 200 components = -0.000239472 Jy ! Clean residual min=-0.004173 max=0.003445 Jy/beam ! Clean residual mean=-0.000002 rms=0.000982 Jy/beam ! Combined flux in latest and established models = 0.887696 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 146 components and 0.887696 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=0.049058Jy sigma=0.677563 ! Fit after self-cal, rms=0.049014Jy sigma=0.676825 wmodel J1640+3946_X_b_map.mod ! Writing 146 model components to file: J1640+3946_X_b_map.mod wobs J1640+3946_X_b_uvs.fits ! Writing UV FITS file: J1640+3946_X_b_uvs.fits wwins J1640+3946_X_b_map.win ! wwins: Wrote 2 windows to J1640+3946_X_b_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 = -0.0010887 Jy ! Component: 100 - total flux cleaned = -0.00126033 Jy ! Component: 150 - total flux cleaned = -0.00147164 Jy ! Component: 200 - total flux cleaned = -0.00166214 Jy ! Component: 250 - total flux cleaned = -0.00184111 Jy ! Component: 300 - total flux cleaned = -0.00213121 Jy ! Component: 350 - total flux cleaned = -0.00236454 Jy ! Component: 400 - total flux cleaned = -0.00254914 Jy ! Component: 450 - total flux cleaned = -0.00279397 Jy ! Component: 500 - total flux cleaned = -0.00299335 Jy ! Component: 550 - total flux cleaned = -0.00315323 Jy ! Component: 600 - total flux cleaned = -0.00348686 Jy ! Component: 650 - total flux cleaned = -0.00363073 Jy ! Component: 700 - total flux cleaned = -0.00376993 Jy ! Component: 750 - total flux cleaned = -0.00390315 Jy ! Component: 800 - total flux cleaned = -0.00398034 Jy ! Component: 850 - total flux cleaned = -0.00405492 Jy ! Component: 900 - total flux cleaned = -0.00412651 Jy ! Component: 950 - total flux cleaned = -0.00419605 Jy ! Component: 1000 - total flux cleaned = -0.00426341 Jy ! Component: 1050 - total flux cleaned = -0.0044148 Jy ! Component: 1100 - total flux cleaned = -0.00454074 Jy ! Component: 1150 - total flux cleaned = -0.00464301 Jy ! Component: 1200 - total flux cleaned = -0.00476258 Jy ! Component: 1250 - total flux cleaned = -0.00480078 Jy ! Component: 1300 - total flux cleaned = -0.0047436 Jy ! Component: 1350 - total flux cleaned = -0.00478023 Jy ! Component: 1400 - total flux cleaned = -0.00479794 Jy ! Component: 1450 - total flux cleaned = -0.00479733 Jy ! Component: 1500 - total flux cleaned = -0.00477983 Jy ! Component: 1550 - total flux cleaned = -0.00476254 Jy ! Component: 1600 - total flux cleaned = -0.00476263 Jy ! Component: 1650 - total flux cleaned = -0.00479581 Jy ! Component: 1700 - total flux cleaned = -0.00484474 Jy ! Component: 1750 - total flux cleaned = -0.00489319 Jy ! Component: 1800 - total flux cleaned = -0.00498825 Jy ! Component: 1850 - total flux cleaned = -0.0050194 Jy ! Component: 1900 - total flux cleaned = -0.00508124 Jy ! Component: 1950 - total flux cleaned = -0.00512681 Jy ! Component: 2000 - total flux cleaned = -0.00518716 Jy ! Component: 2050 - total flux cleaned = -0.00527682 Jy ! Component: 2100 - total flux cleaned = -0.0053213 Jy ! Component: 2150 - total flux cleaned = -0.00536529 Jy ! Component: 2200 - total flux cleaned = -0.00543785 Jy ! Component: 2250 - total flux cleaned = -0.00542344 Jy ! Component: 2300 - total flux cleaned = -0.00545209 Jy ! Component: 2350 - total flux cleaned = -0.0054662 Jy ! Component: 2400 - total flux cleaned = -0.0054519 Jy ! Component: 2450 - total flux cleaned = -0.00546592 Jy ! Component: 2500 - total flux cleaned = -0.00546588 Jy ! Component: 2550 - total flux cleaned = -0.00547976 Jy ! Component: 2600 - total flux cleaned = -0.00545192 Jy ! Component: 2650 - total flux cleaned = -0.00545193 Jy ! Component: 2700 - total flux cleaned = -0.00545188 Jy ! Component: 2750 - total flux cleaned = -0.00541078 Jy ! Component: 2800 - total flux cleaned = -0.00541084 Jy ! Component: 2850 - total flux cleaned = -0.00538366 Jy ! Component: 2900 - total flux cleaned = -0.00532935 Jy ! Component: 2950 - total flux cleaned = -0.0053294 Jy ! Component: 3000 - total flux cleaned = -0.00528883 Jy ! Component: 3050 - total flux cleaned = -0.00519442 Jy ! Component: 3100 - total flux cleaned = -0.0051944 Jy ! Component: 3150 - total flux cleaned = -0.00514048 Jy ! Component: 3200 - total flux cleaned = -0.00508661 Jy ! Component: 3250 - total flux cleaned = -0.00508658 Jy ! Component: 3300 - total flux cleaned = -0.00511341 Jy ! Component: 3350 - total flux cleaned = -0.00508642 Jy ! Component: 3400 - total flux cleaned = -0.00505943 Jy ! Component: 3450 - total flux cleaned = -0.00504582 Jy ! Component: 3500 - total flux cleaned = -0.0050322 Jy ! Component: 3550 - total flux cleaned = -0.00497798 Jy ! Component: 3600 - total flux cleaned = -0.00496444 Jy ! Component: 3650 - total flux cleaned = -0.00490982 Jy ! Component: 3700 - total flux cleaned = -0.00488252 Jy ! Component: 3750 - total flux cleaned = -0.00481374 Jy ! Component: 3800 - total flux cleaned = -0.00474469 Jy ! Component: 3850 - total flux cleaned = -0.004703 Jy ! Component: 3900 - total flux cleaned = -0.00466133 Jy ! Component: 3950 - total flux cleaned = -0.0046193 Jy ! Component: 4000 - total flux cleaned = -0.00456306 Jy ! Component: 4050 - total flux cleaned = -0.00453491 Jy ! Total flux subtracted in 4096 components = -0.00447834 Jy ! Clean residual min=-0.000935 max=0.000831 Jy/beam ! Clean residual mean=-0.000001 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.883217 Jy keep ! Adding 253 model components to the UV plane model. ! The established model now contains 399 components and 0.883217 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1640+3946_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.545 x 4.818 at -54.74 degrees (North through East) ! Clean map min=-0.0065479 max=0.79637 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1640+3946_X_b_map.fits wmodel /vlbi/uf001/uva//J1640+3946_X_b_map.mod ! Writing 399 model components to file: /vlbi/uf001/uva//J1640+3946_X_b_map.mod wobs /vlbi/uf001/uva//J1640+3946_X_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1640+3946_X_b_uvs.fits wwins /vlbi/uf001/uva//J1640+3946_X_b_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J1640+3946_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.796374 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000255223 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0961443 0.0961443 0.192289 0.384577 0.769154 1.53831 3.07662 6.15324 12.3065 24.6129 49.2259 98.4518 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.796 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3120.31 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1640+3946_X_b_dfm.log closed on Mon Jan 14 03:49:37 2019