! Started logfile: /vlbi/bs262/maps//J0827+5217_X_20180503_dfm.log on Mon Jun 4 23:27:00 2018 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/bs262/maps//J0827+5217_X_20180503_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0827+5217_X_20180503_uva.fits ! AN table 1: 21 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.990476 visibilities/baseline/integration-bin. ! Found source: J0827+5217 ! ! 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 3 lines of history. ! ! Reading 7488 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 J0827+5217_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 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.040528Jy sigma=24.422540 ! Fit after self-cal, rms=0.776706Jy sigma=18.416099 ! 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=0.6924 mas, bmaj=2.625 mas, bpa=5.243 degrees ! Estimated noise=0.590189 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 = 0.158728 Jy ! Component: 100 - total flux cleaned = 0.197542 Jy ! Total flux subtracted in 100 components = 0.197542 Jy ! Clean residual min=-0.008523 max=0.017382 Jy/beam ! Clean residual mean=0.000003 rms=0.002333 Jy/beam ! Combined flux in latest and established models = 0.197542 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.197542 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=0.065904Jy sigma=1.392006 ! Fit after self-cal, rms=0.065847Jy sigma=1.390936 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0196879 Jy ! Component: 100 - total flux cleaned = 0.0313105 Jy ! Total flux subtracted in 100 components = 0.0313105 Jy ! Clean residual min=-0.007012 max=0.013325 Jy/beam ! Clean residual mean=0.000002 rms=0.001773 Jy/beam ! Combined flux in latest and established models = 0.228853 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 16 components and 0.228852 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=0.053413Jy sigma=1.128970 ! Fit after self-cal, rms=0.053338Jy sigma=1.127492 ! Inverting map ! Added new window around map position (1, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0121308 Jy ! Component: 100 - total flux cleaned = 0.0188074 Jy ! Total flux subtracted in 100 components = 0.0188074 Jy ! Clean residual min=-0.007477 max=0.008409 Jy/beam ! Clean residual mean=0.000001 rms=0.001490 Jy/beam ! Combined flux in latest and established models = 0.24766 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 24 components and 0.24766 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=0.048688Jy sigma=1.033741 ! Fit after self-cal, rms=0.048454Jy sigma=1.028909 ! 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=0.8787 mas, bmaj=2.727 mas, bpa=5.271 degrees ! Estimated noise=0.358015 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 = 0.00941154 Jy ! Component: 100 - total flux cleaned = 0.0147126 Jy ! Component: 150 - total flux cleaned = 0.0182435 Jy ! Component: 200 - total flux cleaned = 0.0207809 Jy ! Total flux subtracted in 200 components = 0.0207809 Jy ! Clean residual min=-0.008492 max=0.005865 Jy/beam ! Clean residual mean=-0.000005 rms=0.001675 Jy/beam ! Combined flux in latest and established models = 0.268441 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 49 components and 0.268441 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=0.045731Jy sigma=1.000310 ! Fit after self-cal, rms=0.045656Jy sigma=0.998973 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8787 x 2.727 at 5.271 degrees (North through East) ! Clean map min=-0.0080439 max=0.21836 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.08 HN 1.02 KP 1.34 ! LA 1.12 MK 1.15 NL 0.99 OV 1.08 ! PT 0.83 SC 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.91 HN 0.93 KP 1.01 ! LA 1.00 MK 1.04 NL 0.96 OV 1.06 ! PT 0.88 SC 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.12 HN 0.95 KP 0.99 ! LA 1.04 MK 1.09 NL 0.96 OV 0.97 ! PT 0.87 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 1.08 KP 1.02 ! LA 1.09 MK 1.15 NL 0.94 OV 1.05 ! PT 0.87 SC 1.04 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.05 HN 0.99 KP 1.04 ! LA 1.07 MK 1.00 NL 1.04 OV 0.99 ! PT 0.88 SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.13 HN 1.03 KP 1.08 ! LA 1.05 MK 0.99 NL 1.01 OV 0.96 ! PT 0.88 SC 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.95 HN 0.93 KP 0.93 ! LA 1.03 MK 0.94 NL 0.82 OV 0.99 ! PT 0.87 SC 0.91 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 1.04 KP 0.89 ! LA 1.13 MK 1.04 NL 0.85 OV 0.96 ! PT 0.77 SC 1.11 ! ! ! Fit before self-cal, rms=0.045656Jy sigma=0.998973 ! Fit after self-cal, rms=0.032818Jy sigma=0.672905 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8851 mas, bmaj=2.735 mas, bpa=5.254 degrees ! Estimated noise=0.357829 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 = -0.000977236 Jy ! Component: 100 - total flux cleaned = -0.00115366 Jy ! Component: 150 - total flux cleaned = -0.00122978 Jy ! Component: 200 - total flux cleaned = -0.00125162 Jy ! Total flux subtracted in 200 components = -0.00125162 Jy ! Clean residual min=-0.001496 max=0.001611 Jy/beam ! Clean residual mean=-0.000000 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 0.267189 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 64 components and 0.267189 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=0.032735Jy sigma=0.670712 ! Fit after self-cal, rms=0.032737Jy sigma=0.670351 ! 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=0.032737Jy sigma=0.670351 ! Fit after self-cal, rms=0.032701Jy sigma=0.669923 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8861 mas, bmaj=2.736 mas, bpa=5.197 degrees ! Estimated noise=0.357881 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000642825 Jy ! Component: 100 - total flux cleaned = -0.000844126 Jy ! Component: 150 - total flux cleaned = -0.000843806 Jy ! Component: 200 - total flux cleaned = -0.000843009 Jy ! Total flux subtracted in 200 components = -0.000843009 Jy ! Clean residual min=-0.001408 max=0.001542 Jy/beam ! Clean residual mean=-0.000000 rms=0.000351 Jy/beam ! Combined flux in latest and established models = 0.266346 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 73 components and 0.266346 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=0.032668Jy sigma=0.669146 ! Fit after self-cal, rms=0.032665Jy sigma=0.669115 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 (30.8, -41.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132336 Jy ! Component: 100 - total flux cleaned = 0.00191526 Jy ! Component: 150 - total flux cleaned = 0.00222663 Jy ! Component: 200 - total flux cleaned = 0.00246491 Jy ! Total flux subtracted in 200 components = 0.00246491 Jy ! Clean residual min=-0.001304 max=0.001315 Jy/beam ! Clean residual mean=0.000001 rms=0.000318 Jy/beam ! Combined flux in latest and established models = 0.268811 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 98 components and 0.268811 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=0.032608Jy sigma=0.667656 ! Fit after self-cal, rms=0.032607Jy sigma=0.667598 ! 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=0.032607Jy sigma=0.667598 ! Fit after self-cal, rms=0.032587Jy sigma=0.667387 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8872 mas, bmaj=2.737 mas, bpa=5.163 degrees ! Estimated noise=0.357852 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000469606 Jy ! Component: 100 - total flux cleaned = -0.000470835 Jy ! Component: 150 - total flux cleaned = -0.000423391 Jy ! Component: 200 - total flux cleaned = -0.000394417 Jy ! Total flux subtracted in 200 components = -0.000394417 Jy ! Clean residual min=-0.001256 max=0.001269 Jy/beam ! Clean residual mean=0.000001 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.268417 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 104 components and 0.268417 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=0.032566Jy sigma=0.666932 ! Fit after self-cal, rms=0.032565Jy sigma=0.666925 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 = 2.38503e-05 Jy ! Component: 100 - total flux cleaned = 6.44132e-05 Jy ! Component: 150 - total flux cleaned = 0.000114996 Jy ! Component: 200 - total flux cleaned = 0.000114698 Jy ! Total flux subtracted in 200 components = 0.000114698 Jy ! Clean residual min=-0.001255 max=0.001252 Jy/beam ! Clean residual mean=0.000001 rms=0.000307 Jy/beam ! Combined flux in latest and established models = 0.268531 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 116 components and 0.268531 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=0.032555Jy sigma=0.666722 ! Fit after self-cal, rms=0.032555Jy sigma=0.666717 ! 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=0.032555Jy sigma=0.666717 ! Fit after self-cal, rms=0.032551Jy sigma=0.666581 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.015 mas, bmaj=3.012 mas, bpa=3.427 degrees ! Estimated noise=0.454201 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000174625 Jy ! Component: 100 - total flux cleaned = 0.000174038 Jy ! Component: 150 - total flux cleaned = 0.000185785 Jy ! Component: 200 - total flux cleaned = 0.000176578 Jy ! Total flux subtracted in 200 components = 0.000176578 Jy ! Clean residual min=-0.001150 max=0.001436 Jy/beam ! Clean residual mean=0.000001 rms=0.000369 Jy/beam ! Combined flux in latest and established models = 0.268708 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 130 components and 0.268708 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=0.032552Jy sigma=0.666540 ! Fit after self-cal, rms=0.032550Jy sigma=0.666514 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 = 3.61482e-05 Jy ! Component: 100 - total flux cleaned = 8.54138e-06 Jy ! Component: 150 - total flux cleaned = 5.83187e-07 Jy ! Component: 200 - total flux cleaned = -7.0537e-06 Jy ! Total flux subtracted in 200 components = -7.0537e-06 Jy ! Clean residual min=-0.001157 max=0.001411 Jy/beam ! Clean residual mean=0.000001 rms=0.000368 Jy/beam ! Combined flux in latest and established models = 0.268701 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 137 components and 0.268701 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=0.032551Jy sigma=0.666535 ! Fit after self-cal, rms=0.032550Jy sigma=0.666526 ! 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=0.8882 mas, bmaj=2.738 mas, bpa=5.135 degrees ! Estimated noise=0.357911 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8882 x 2.738 at 5.135 degrees (North through East) ! Clean map min=-0.0010701 max=0.21783 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=0.7011 mas, bmaj=2.626 mas, bpa=5.064 degrees ! Estimated noise=0.606087 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.162896 Jy ! Component: 100 - total flux cleaned = 0.202135 Jy ! Component: 150 - total flux cleaned = 0.221835 Jy ! Component: 200 - total flux cleaned = 0.234087 Jy ! Total flux subtracted in 200 components = 0.234087 Jy ! Clean residual min=-0.003491 max=0.006437 Jy/beam ! Clean residual mean=0.000002 rms=0.000929 Jy/beam ! Combined flux in latest and established models = 0.234087 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.234087 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8882 mas, bmaj=2.738 mas, bpa=5.135 degrees ! Estimated noise=0.357911 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 = 0.0125692 Jy ! Component: 100 - total flux cleaned = 0.0190723 Jy ! Component: 150 - total flux cleaned = 0.0228114 Jy ! Component: 200 - total flux cleaned = 0.0252604 Jy ! Total flux subtracted in 200 components = 0.0252604 Jy ! Clean residual min=-0.001521 max=0.002319 Jy/beam ! Clean residual mean=-0.000001 rms=0.000445 Jy/beam ! Combined flux in latest and established models = 0.259348 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 35 components and 0.259348 Jy ! Inverting map ! Added new window around map position (2.2, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00218268 Jy ! Component: 100 - total flux cleaned = 0.00366294 Jy ! Component: 150 - total flux cleaned = 0.00485051 Jy ! Component: 200 - total flux cleaned = 0.00568829 Jy ! Total flux subtracted in 200 components = 0.00568829 Jy ! Clean residual min=-0.001292 max=0.001417 Jy/beam ! Clean residual mean=-0.000000 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.265036 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 69 components and 0.265036 Jy ! Inverting map ! Added new window around map position (2, 48.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00102804 Jy ! Component: 100 - total flux cleaned = 0.00139503 Jy ! Component: 150 - total flux cleaned = 0.00166503 Jy ! Component: 200 - total flux cleaned = 0.00191105 Jy ! Total flux subtracted in 200 components = 0.00191105 Jy ! Clean residual min=-0.001270 max=0.001228 Jy/beam ! Clean residual mean=0.000000 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.266947 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 91 components and 0.266947 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=2.015 mas, bmaj=3.012 mas, bpa=3.427 degrees ! Estimated noise=0.454201 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000891957 Jy ! Component: 100 - total flux cleaned = 0.00123266 Jy ! Component: 150 - total flux cleaned = 0.00148755 Jy ! Component: 200 - total flux cleaned = 0.00166639 Jy ! Total flux subtracted in 200 components = 0.00166639 Jy ! Clean residual min=-0.001087 max=0.001284 Jy/beam ! Clean residual mean=0.000001 rms=0.000339 Jy/beam ! Combined flux in latest and established models = 0.268613 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 = 0.000109898 Jy ! Component: 100 - total flux cleaned = 0.000208188 Jy ! Component: 150 - total flux cleaned = 0.000297279 Jy ! Component: 200 - total flux cleaned = 0.00036789 Jy ! Total flux subtracted in 200 components = 0.00036789 Jy ! Clean residual min=-0.001048 max=0.001254 Jy/beam ! Clean residual mean=0.000001 rms=0.000328 Jy/beam ! Combined flux in latest and established models = 0.268981 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 140 components and 0.268981 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8882 mas, bmaj=2.738 mas, bpa=5.135 degrees ! Estimated noise=0.357911 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000402763 Jy ! Component: 100 - total flux cleaned = -0.000381021 Jy ! Component: 150 - total flux cleaned = -0.000275506 Jy ! Component: 200 - total flux cleaned = -0.000256136 Jy ! Total flux subtracted in 200 components = -0.000256136 Jy ! Clean residual min=-0.001176 max=0.001166 Jy/beam ! Clean residual mean=0.000001 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.268725 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 166 components and 0.268725 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=0.032446Jy sigma=0.664312 ! Fit after self-cal, rms=0.032440Jy sigma=0.664188 wmodel J0827+5217_X_map.mod ! Writing 166 model components to file: J0827+5217_X_map.mod wobs J0827+5217_X_uvs.fits ! Writing UV FITS file: J0827+5217_X_uvs.fits wwins J0827+5217_X_map.win ! wwins: Wrote 5 windows to J0827+5217_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 = -8.65938e-05 Jy ! Component: 100 - total flux cleaned = -0.000146451 Jy ! Component: 150 - total flux cleaned = -0.000183197 Jy ! Component: 200 - total flux cleaned = -0.000271229 Jy ! Component: 250 - total flux cleaned = -0.000339366 Jy ! Component: 300 - total flux cleaned = -0.000455437 Jy ! Component: 350 - total flux cleaned = -0.000519677 Jy ! Component: 400 - total flux cleaned = -0.000519698 Jy ! Component: 450 - total flux cleaned = -0.000611207 Jy ! Component: 500 - total flux cleaned = -0.000671048 Jy ! Component: 550 - total flux cleaned = -0.000715188 Jy ! Component: 600 - total flux cleaned = -0.000801423 Jy ! Component: 650 - total flux cleaned = -0.000815593 Jy ! Component: 700 - total flux cleaned = -0.000899568 Jy ! Component: 750 - total flux cleaned = -0.000940714 Jy ! Component: 800 - total flux cleaned = -0.000981258 Jy ! Component: 850 - total flux cleaned = -0.0010606 Jy ! Component: 900 - total flux cleaned = -0.00111271 Jy ! Component: 950 - total flux cleaned = -0.0011255 Jy ! Component: 1000 - total flux cleaned = -0.00111284 Jy ! Component: 1050 - total flux cleaned = -0.00111306 Jy ! Component: 1100 - total flux cleaned = -0.00111339 Jy ! Component: 1150 - total flux cleaned = -0.0011378 Jy ! Component: 1200 - total flux cleaned = -0.00113765 Jy ! Component: 1250 - total flux cleaned = -0.00112585 Jy ! Component: 1300 - total flux cleaned = -0.00113773 Jy ! Component: 1350 - total flux cleaned = -0.0011727 Jy ! Component: 1400 - total flux cleaned = -0.00118406 Jy ! Component: 1450 - total flux cleaned = -0.00116144 Jy ! Component: 1500 - total flux cleaned = -0.0011389 Jy ! Component: 1550 - total flux cleaned = -0.00117242 Jy ! Component: 1600 - total flux cleaned = -0.00117243 Jy ! Component: 1650 - total flux cleaned = -0.00117234 Jy ! Component: 1700 - total flux cleaned = -0.00117239 Jy ! Component: 1750 - total flux cleaned = -0.00114033 Jy ! Component: 1800 - total flux cleaned = -0.00116141 Jy ! Component: 1850 - total flux cleaned = -0.00113003 Jy ! Component: 1900 - total flux cleaned = -0.00115083 Jy ! Component: 1950 - total flux cleaned = -0.00108914 Jy ! Component: 2000 - total flux cleaned = -0.00113005 Jy ! Component: 2050 - total flux cleaned = -0.00114011 Jy ! Component: 2100 - total flux cleaned = -0.00114024 Jy ! Component: 2150 - total flux cleaned = -0.00113017 Jy ! Component: 2200 - total flux cleaned = -0.00114017 Jy ! Component: 2250 - total flux cleaned = -0.00115971 Jy ! Component: 2300 - total flux cleaned = -0.00116937 Jy ! Component: 2350 - total flux cleaned = -0.00116944 Jy ! Component: 2400 - total flux cleaned = -0.00118845 Jy ! Component: 2450 - total flux cleaned = -0.00116966 Jy ! Component: 2500 - total flux cleaned = -0.00121651 Jy ! Component: 2550 - total flux cleaned = -0.00119786 Jy ! Component: 2600 - total flux cleaned = -0.0011979 Jy ! Component: 2650 - total flux cleaned = -0.00123475 Jy ! Component: 2700 - total flux cleaned = -0.00128925 Jy ! Component: 2750 - total flux cleaned = -0.00126201 Jy ! Component: 2800 - total flux cleaned = -0.00124401 Jy ! Component: 2850 - total flux cleaned = -0.00129756 Jy ! Component: 2900 - total flux cleaned = -0.00127097 Jy ! Component: 2950 - total flux cleaned = -0.00126217 Jy ! Component: 3000 - total flux cleaned = -0.00127098 Jy ! Component: 3050 - total flux cleaned = -0.00128831 Jy ! Component: 3100 - total flux cleaned = -0.00130556 Jy ! Component: 3150 - total flux cleaned = -0.00132271 Jy ! Component: 3200 - total flux cleaned = -0.00132273 Jy ! Component: 3250 - total flux cleaned = -0.0013312 Jy ! Component: 3300 - total flux cleaned = -0.00132277 Jy ! Component: 3350 - total flux cleaned = -0.00137283 Jy ! Component: 3400 - total flux cleaned = -0.00136441 Jy ! Component: 3450 - total flux cleaned = -0.00139728 Jy ! Component: 3500 - total flux cleaned = -0.00138905 Jy ! Component: 3550 - total flux cleaned = -0.00139714 Jy ! Component: 3600 - total flux cleaned = -0.00137287 Jy ! Component: 3650 - total flux cleaned = -0.00138095 Jy ! Component: 3700 - total flux cleaned = -0.00142895 Jy ! Component: 3750 - total flux cleaned = -0.00142895 Jy ! Component: 3800 - total flux cleaned = -0.00146049 Jy ! Component: 3850 - total flux cleaned = -0.00144478 Jy ! Component: 3900 - total flux cleaned = -0.00147612 Jy ! Component: 3950 - total flux cleaned = -0.00147609 Jy ! Component: 4000 - total flux cleaned = -0.00149916 Jy ! Component: 4050 - total flux cleaned = -0.00150685 Jy ! Total flux subtracted in 4096 components = -0.00150686 Jy ! Clean residual min=-0.000477 max=0.000516 Jy/beam ! Clean residual mean=0.000000 rms=0.000138 Jy/beam ! Combined flux in latest and established models = 0.267218 Jy keep ! Adding 306 model components to the UV plane model. ! The established model now contains 472 components and 0.267218 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0827+5217_X_20180503_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8882 x 2.738 at 5.135 degrees (North through East) ! Clean map min=-0.00084516 max=0.219 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0827+5217_X_20180503_map.fits wmodel /vlbi/bs262/maps//J0827+5217_X_20180503_map.mod ! Writing 472 model components to file: /vlbi/bs262/maps//J0827+5217_X_20180503_map.mod wobs /vlbi/bs262/maps//J0827+5217_X_20180503_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0827+5217_X_20180503_uvs.fits wwins /vlbi/bs262/maps//J0827+5217_X_20180503_map.win ! wwins: Wrote 6 windows to /vlbi/bs262/maps//J0827+5217_X_20180503_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.218995 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000137869 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.188866 0.188866 0.377733 0.755466 1.51093 3.02186 6.04373 12.0875 24.1749 48.3498 96.6996 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.218 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1588.42 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0827+5217_X_20180503_dfm.log closed on Mon Jun 4 23:27:04 2018