! Started logfile: /vlbi/sb072/temp_maps//J1947+4633_X_dfm.log on Fri Jan 25 19:47:18 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/sb072/temp_maps//J1947+4633_X_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1947+4633_X_uva.fits ! AN table 1: 4 integrations on 21 of 21 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1947+4633 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 672 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 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 J1947+4633_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 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000949Jy sigma=28.849887 ! Fit after self-cal, rms=0.961854Jy sigma=27.801586 ! 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=0.5815 mas, bmaj=4.173 mas, bpa=-20.59 degrees ! Estimated noise=1.53267 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 = 0.029608 Jy ! Component: 100 - total flux cleaned = 0.0352937 Jy ! Total flux subtracted in 100 components = 0.0352937 Jy ! Clean residual min=-0.004247 max=0.004401 Jy/beam ! Clean residual mean=-0.000003 rms=0.001160 Jy/beam ! Combined flux in latest and established models = 0.0352936 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0352936 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. ! ! Fit before self-cal, rms=0.029316Jy sigma=0.766124 ! Fit after self-cal, rms=0.026615Jy sigma=0.637946 ! 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=0.707 mas, bmaj=3.979 mas, bpa=-20.93 degrees ! Estimated noise=1.15746 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 = 0.00471173 Jy ! Component: 100 - total flux cleaned = 0.00680003 Jy ! Component: 150 - total flux cleaned = 0.00790187 Jy ! Component: 200 - total flux cleaned = 0.00880967 Jy ! Total flux subtracted in 200 components = 0.00880967 Jy ! Clean residual min=-0.003798 max=0.003286 Jy/beam ! Clean residual mean=-0.000003 rms=0.000837 Jy/beam ! Combined flux in latest and established models = 0.0441033 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 17 components and 0.0441033 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. ! ! Fit before self-cal, rms=0.025604Jy sigma=0.610619 ! Fit after self-cal, rms=0.025566Jy sigma=0.610071 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.707 x 3.979 at -20.93 degrees (North through East) ! Clean map min=-0.0035594 max=0.040175 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.15 HN 1.00* MK 1.08 NL 1.05 ! OV 1.06 PT 0.84 SC 0.83 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 HN 1.00* MK 0.95 NL 1.05 ! OV 1.24 PT 0.84 SC 0.79 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.27 HN 1.00* MK 0.96 NL 0.92 ! OV 1.05 PT 0.94 SC 1.04 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.15 HN 1.00* MK 1.07 NL 0.94 ! OV 1.06 PT 0.80 SC 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.00* MK 1.03 NL 0.99 ! OV 1.07 PT 0.74 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.00* MK 1.06 NL 0.99 ! OV 1.18 PT 0.68 SC 0.85 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.09 HN 1.00* MK 1.11 NL 1.03 ! OV 1.10 PT 0.79 SC 1.07 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.26 HN 1.00* MK 0.98 NL 0.92 ! OV 1.00 PT 0.87 SC 0.94 ! ! ! Fit before self-cal, rms=0.025566Jy sigma=0.610071 ! Fit after self-cal, rms=0.022949Jy sigma=0.579822 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7078 mas, bmaj=3.993 mas, bpa=-20.78 degrees ! Estimated noise=1.13127 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 = -7.19669e-05 Jy ! Component: 100 - total flux cleaned = -0.000347221 Jy ! Component: 150 - total flux cleaned = -0.000493133 Jy ! Component: 200 - total flux cleaned = -0.000591873 Jy ! Total flux subtracted in 200 components = -0.000591873 Jy ! Clean residual min=-0.001943 max=0.002079 Jy/beam ! Clean residual mean=0.000000 rms=0.000472 Jy/beam ! Combined flux in latest and established models = 0.0435115 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 29 components and 0.0435115 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. ! ! Fit before self-cal, rms=0.022897Jy sigma=0.578127 ! Fit after self-cal, rms=0.022870Jy sigma=0.577107 ! 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. ! ! Fit before self-cal, rms=0.022870Jy sigma=0.577107 ! Fit after self-cal, rms=0.022856Jy sigma=0.577026 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7093 mas, bmaj=3.992 mas, bpa=-20.77 degrees ! Estimated noise=1.13282 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000187542 Jy ! Component: 100 - total flux cleaned = -0.000285921 Jy ! Component: 150 - total flux cleaned = -0.000383169 Jy ! Component: 200 - total flux cleaned = -0.000459971 Jy ! Total flux subtracted in 200 components = -0.000459971 Jy ! Clean residual min=-0.001917 max=0.002019 Jy/beam ! Clean residual mean=0.000000 rms=0.000466 Jy/beam ! Combined flux in latest and established models = 0.0430515 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 33 components and 0.0430515 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. ! ! Fit before self-cal, rms=0.022843Jy sigma=0.576718 ! Fit after self-cal, rms=0.022844Jy sigma=0.576697 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 (-44.2, -33.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000106936 Jy ! Component: 100 - total flux cleaned = 0.000424114 Jy ! Component: 150 - total flux cleaned = 0.000743729 Jy ! Component: 200 - total flux cleaned = 0.001248 Jy ! Total flux subtracted in 200 components = 0.001248 Jy ! Clean residual min=-0.001350 max=0.001871 Jy/beam ! Clean residual mean=0.000001 rms=0.000370 Jy/beam ! Combined flux in latest and established models = 0.0442995 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 57 components and 0.0442995 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. ! ! Fit before self-cal, rms=0.022590Jy sigma=0.570863 ! Fit after self-cal, rms=0.022550Jy sigma=0.570115 ! Inverting map ! Added new window around map position (37.2, -44.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00155636 Jy ! Component: 100 - total flux cleaned = 0.0019682 Jy ! Component: 150 - total flux cleaned = 0.00218428 Jy ! Component: 200 - total flux cleaned = 0.00240625 Jy ! Total flux subtracted in 200 components = 0.00240625 Jy ! Clean residual min=-0.001378 max=0.001350 Jy/beam ! Clean residual mean=0.000000 rms=0.000300 Jy/beam ! Combined flux in latest and established models = 0.0467057 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 73 components and 0.0467057 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. ! ! Fit before self-cal, rms=0.022392Jy sigma=0.566458 ! Fit after self-cal, rms=0.022390Jy sigma=0.566234 ! 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. ! ! Fit before self-cal, rms=0.022390Jy sigma=0.566234 ! Fit after self-cal, rms=0.022227Jy sigma=0.565678 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.712 mas, bmaj=3.992 mas, bpa=-20.79 degrees ! Estimated noise=1.1292 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000619443 Jy ! Component: 100 - total flux cleaned = 0.000828421 Jy ! Component: 150 - total flux cleaned = 0.000971666 Jy ! Component: 200 - total flux cleaned = 0.00110606 Jy ! Total flux subtracted in 200 components = 0.00110606 Jy ! Clean residual min=-0.001173 max=0.001244 Jy/beam ! Clean residual mean=0.000000 rms=0.000276 Jy/beam ! Combined flux in latest and established models = 0.0478118 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 85 components and 0.0478118 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. ! ! Fit before self-cal, rms=0.022165Jy sigma=0.564245 ! Fit after self-cal, rms=0.022165Jy sigma=0.564172 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 (-51.2, 6.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000661386 Jy ! Component: 100 - total flux cleaned = 0.00111219 Jy ! Component: 150 - total flux cleaned = 0.00152129 Jy ! Component: 200 - total flux cleaned = 0.00173898 Jy ! Total flux subtracted in 200 components = 0.00173898 Jy ! Clean residual min=-0.001048 max=0.001140 Jy/beam ! Clean residual mean=0.000000 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.0495508 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 103 components and 0.0495508 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. ! ! Fit before self-cal, rms=0.022074Jy sigma=0.561922 ! Fit after self-cal, rms=0.022073Jy sigma=0.561787 ! Inverting map ! Added new window around map position (14.4, 38.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000502047 Jy ! Component: 100 - total flux cleaned = 0.000545119 Jy ! Component: 150 - total flux cleaned = 0.000677661 Jy ! Component: 200 - total flux cleaned = 0.000719767 Jy ! Total flux subtracted in 200 components = 0.000719767 Jy ! Clean residual min=-0.000877 max=0.000811 Jy/beam ! Clean residual mean=0.000000 rms=0.000200 Jy/beam ! Combined flux in latest and established models = 0.0502705 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 128 components and 0.0502705 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. ! ! Fit before self-cal, rms=0.021998Jy sigma=0.560042 ! Fit after self-cal, rms=0.022001Jy sigma=0.559945 ! 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. ! ! Fit before self-cal, rms=0.022001Jy sigma=0.559945 ! Fit after self-cal, rms=0.021941Jy sigma=0.559471 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.672 mas, bmaj=3.608 mas, bpa=-20.68 degrees ! Estimated noise=1.6595 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000360801 Jy ! Component: 100 - total flux cleaned = 0.000405184 Jy ! Component: 150 - total flux cleaned = 0.000385976 Jy ! Component: 200 - total flux cleaned = 0.00030712 Jy ! Total flux subtracted in 200 components = 0.00030712 Jy ! Clean residual min=-0.000844 max=0.000855 Jy/beam ! Clean residual mean=-0.000000 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.0505777 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 149 components and 0.0505777 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. ! ! Fit before self-cal, rms=0.021923Jy sigma=0.559221 ! Fit after self-cal, rms=0.021931Jy sigma=0.559092 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 (51, 50.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000491323 Jy ! Component: 100 - total flux cleaned = 0.0004668 Jy ! Component: 150 - total flux cleaned = 0.000466875 Jy ! Component: 200 - total flux cleaned = 0.000531141 Jy ! Total flux subtracted in 200 components = 0.000531141 Jy ! Clean residual min=-0.000986 max=0.000779 Jy/beam ! Clean residual mean=-0.000001 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.0511088 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 161 components and 0.0511088 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. ! ! Fit before self-cal, rms=0.021899Jy sigma=0.558633 ! Fit after self-cal, rms=0.021895Jy sigma=0.558440 ! 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=0.7102 mas, bmaj=4 mas, bpa=-20.81 degrees ! Estimated noise=1.12267 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7102 x 4 at -20.81 degrees (North through East) ! Clean map min=-0.0019554 max=0.039246 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=0.5818 mas, bmaj=4.205 mas, bpa=-20.48 degrees ! Estimated noise=1.49206 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0304185 Jy ! Component: 100 - total flux cleaned = 0.0365932 Jy ! Component: 150 - total flux cleaned = 0.0379666 Jy ! Component: 200 - total flux cleaned = 0.0380913 Jy ! Total flux subtracted in 200 components = 0.0380913 Jy ! Clean residual min=-0.002386 max=0.002365 Jy/beam ! Clean residual mean=-0.000001 rms=0.000631 Jy/beam ! Combined flux in latest and established models = 0.0380913 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.0380913 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7102 mas, bmaj=4 mas, bpa=-20.81 degrees ! Estimated noise=1.12267 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 = 0.000107666 Jy ! Component: 100 - total flux cleaned = 0.00130211 Jy ! Component: 150 - total flux cleaned = 0.00268099 Jy ! Component: 200 - total flux cleaned = 0.00365925 Jy ! Total flux subtracted in 200 components = 0.00365925 Jy ! Clean residual min=-0.001892 max=0.001620 Jy/beam ! Clean residual mean=-0.000001 rms=0.000427 Jy/beam ! Combined flux in latest and established models = 0.0417506 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 51 components and 0.0417506 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=1.672 mas, bmaj=3.608 mas, bpa=-20.68 degrees ! Estimated noise=1.6595 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00170333 Jy ! Component: 100 - total flux cleaned = 0.00320707 Jy ! Component: 150 - total flux cleaned = 0.0044196 Jy ! Component: 200 - total flux cleaned = 0.00503376 Jy ! Total flux subtracted in 200 components = 0.00503376 Jy ! Clean residual min=-0.001525 max=0.001200 Jy/beam ! Clean residual mean=-0.000001 rms=0.000366 Jy/beam ! Combined flux in latest and established models = 0.0467843 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 = 0.000517299 Jy ! Component: 100 - total flux cleaned = 0.000997057 Jy ! Component: 150 - total flux cleaned = 0.00141095 Jy ! Component: 200 - total flux cleaned = 0.00186582 Jy ! Total flux subtracted in 200 components = 0.00186582 Jy ! Clean residual min=-0.001383 max=0.001069 Jy/beam ! Clean residual mean=-0.000001 rms=0.000276 Jy/beam ! Combined flux in latest and established models = 0.0486502 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 103 components and 0.0486501 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7102 mas, bmaj=4 mas, bpa=-20.81 degrees ! Estimated noise=1.12267 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000477814 Jy ! Component: 100 - total flux cleaned = 0.000810339 Jy ! Component: 150 - total flux cleaned = 0.000850112 Jy ! Component: 200 - total flux cleaned = 0.000920184 Jy ! Total flux subtracted in 200 components = 0.000920184 Jy ! Clean residual min=-0.000988 max=0.001178 Jy/beam ! Clean residual mean=0.000000 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.0495703 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 129 components and 0.0495703 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. ! ! Fit before self-cal, rms=0.022059Jy sigma=0.562445 ! Fit after self-cal, rms=0.022017Jy sigma=0.561690 wmodel J1947+4633_X_map.mod ! Writing 129 model components to file: J1947+4633_X_map.mod wobs J1947+4633_X_uvs.fits ! Writing UV FITS file: J1947+4633_X_uvs.fits wwins J1947+4633_X_map.win ! wwins: Wrote 6 windows to J1947+4633_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 = 0.000371857 Jy ! Component: 100 - total flux cleaned = 0.000545582 Jy ! Component: 150 - total flux cleaned = 0.000594355 Jy ! Component: 200 - total flux cleaned = 0.000687817 Jy ! Component: 250 - total flux cleaned = 0.000732697 Jy ! Component: 300 - total flux cleaned = 0.000761567 Jy ! Component: 350 - total flux cleaned = 0.000789664 Jy ! Component: 400 - total flux cleaned = 0.000789794 Jy ! Component: 450 - total flux cleaned = 0.000789885 Jy ! Component: 500 - total flux cleaned = 0.000789921 Jy ! Component: 550 - total flux cleaned = 0.000764879 Jy ! Component: 600 - total flux cleaned = 0.000752518 Jy ! Component: 650 - total flux cleaned = 0.000704245 Jy ! Component: 700 - total flux cleaned = 0.000680554 Jy ! Component: 750 - total flux cleaned = 0.000656938 Jy ! Component: 800 - total flux cleaned = 0.000610465 Jy ! Component: 850 - total flux cleaned = 0.000564687 Jy ! Component: 900 - total flux cleaned = 0.000542191 Jy ! Component: 950 - total flux cleaned = 0.000519841 Jy ! Component: 1000 - total flux cleaned = 0.000486668 Jy ! Component: 1050 - total flux cleaned = 0.000453884 Jy ! Component: 1100 - total flux cleaned = 0.000410651 Jy ! Component: 1150 - total flux cleaned = 0.000378546 Jy ! Component: 1200 - total flux cleaned = 0.000304188 Jy ! Component: 1250 - total flux cleaned = 0.000262166 Jy ! Component: 1300 - total flux cleaned = 0.000199517 Jy ! Component: 1350 - total flux cleaned = 0.000147604 Jy ! Component: 1400 - total flux cleaned = 7.54493e-05 Jy ! Component: 1450 - total flux cleaned = 2.41454e-05 Jy ! Component: 1500 - total flux cleaned = -1.6692e-05 Jy ! Component: 1550 - total flux cleaned = -6.73924e-05 Jy ! Component: 1600 - total flux cleaned = -0.000148101 Jy ! Component: 1650 - total flux cleaned = -0.000228635 Jy ! Component: 1700 - total flux cleaned = -0.000308891 Jy ! Component: 1750 - total flux cleaned = -0.000398905 Jy ! Component: 1800 - total flux cleaned = -0.000448799 Jy ! Component: 1850 - total flux cleaned = -0.000528472 Jy ! Component: 1900 - total flux cleaned = -0.000588255 Jy ! Component: 1950 - total flux cleaned = -0.000628129 Jy ! Component: 2000 - total flux cleaned = -0.000687924 Jy ! Component: 2050 - total flux cleaned = -0.000757854 Jy ! Component: 2100 - total flux cleaned = -0.000808011 Jy ! Component: 2150 - total flux cleaned = -0.000848156 Jy ! Component: 2200 - total flux cleaned = -0.000888541 Jy ! Component: 2250 - total flux cleaned = -0.00091892 Jy ! Component: 2300 - total flux cleaned = -0.000959677 Jy ! Component: 2350 - total flux cleaned = -0.00100071 Jy ! Component: 2400 - total flux cleaned = -0.00105223 Jy ! Component: 2450 - total flux cleaned = -0.00109379 Jy ! Component: 2500 - total flux cleaned = -0.00112511 Jy ! Component: 2550 - total flux cleaned = -0.00115654 Jy ! Component: 2600 - total flux cleaned = -0.0011776 Jy ! Component: 2650 - total flux cleaned = -0.00123082 Jy ! Component: 2700 - total flux cleaned = -0.00128428 Jy ! Component: 2750 - total flux cleaned = -0.00133819 Jy ! Component: 2800 - total flux cleaned = -0.00139241 Jy ! Component: 2850 - total flux cleaned = -0.00144702 Jy ! Component: 2900 - total flux cleaned = -0.00151305 Jy ! Component: 2950 - total flux cleaned = -0.00156864 Jy ! Component: 3000 - total flux cleaned = -0.00161327 Jy ! Component: 3050 - total flux cleaned = -0.00168096 Jy ! Component: 3100 - total flux cleaned = -0.00173785 Jy ! Component: 3150 - total flux cleaned = -0.00177225 Jy ! Component: 3200 - total flux cleaned = -0.00180698 Jy ! Component: 3250 - total flux cleaned = -0.00186532 Jy ! Component: 3300 - total flux cleaned = -0.00190064 Jy ! Component: 3350 - total flux cleaned = -0.00194811 Jy ! Component: 3400 - total flux cleaned = -0.00198409 Jy ! Component: 3450 - total flux cleaned = -0.00200831 Jy ! Component: 3500 - total flux cleaned = -0.00202057 Jy ! Component: 3550 - total flux cleaned = -0.00204522 Jy ! Component: 3600 - total flux cleaned = -0.00204529 Jy ! Component: 3650 - total flux cleaned = -0.00209574 Jy ! Component: 3700 - total flux cleaned = -0.00209586 Jy ! Component: 3750 - total flux cleaned = -0.00210878 Jy ! Component: 3800 - total flux cleaned = -0.00210871 Jy ! Component: 3850 - total flux cleaned = -0.00210868 Jy ! Component: 3900 - total flux cleaned = -0.00214883 Jy ! Component: 3950 - total flux cleaned = -0.00216249 Jy ! Component: 4000 - total flux cleaned = -0.0021901 Jy ! Component: 4050 - total flux cleaned = -0.00220409 Jy ! Total flux subtracted in 4096 components = -0.00223233 Jy ! Clean residual min=-0.000779 max=0.000904 Jy/beam ! Clean residual mean=0.000000 rms=0.000200 Jy/beam ! Combined flux in latest and established models = 0.047338 Jy keep ! Adding 154 model components to the UV plane model. ! The established model now contains 282 components and 0.047338 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1947+4633_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7102 x 4 at -20.81 degrees (North through East) ! Clean map min=-0.0017466 max=0.038539 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1947+4633_X_map.fits wmodel /vlbi/sb072/temp_maps//J1947+4633_X_map.mod ! Writing 282 model components to file: /vlbi/sb072/temp_maps//J1947+4633_X_map.mod wobs /vlbi/sb072/temp_maps//J1947+4633_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1947+4633_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1947+4633_X_map.win ! wwins: Wrote 7 windows to /vlbi/sb072/temp_maps//J1947+4633_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0385386 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000204068 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.58855 1.58855 3.17709 6.35419 12.7084 25.4167 50.8335 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.038 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 188.851 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1947+4633_X_dfm.log closed on Fri Jan 25 19:47:22 2019