! Started logfile: /vlbi/bs262/maps//J0451+5721_C_20180503_dfm.log on Mon Jun 4 23:17:00 2018 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/bs262/maps//J0451+5721_C_20180503_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0451+5721_C_20180503_uva.fits ! AN table 1: 90 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0451+5721 ! ! 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 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 32400 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 = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J0451+5721_C] 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 0.300x0.300 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. ! ! 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=1.000073Jy sigma=26.336590 ! Fit after self-cal, rms=0.990334Jy sigma=26.086319 ! 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=1.173 mas, bmaj=5.164 mas, bpa=-31.77 degrees ! Estimated noise=0.379206 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 = 0.00776036 Jy ! Component: 100 - total flux cleaned = 0.00928567 Jy ! Total flux subtracted in 100 components = 0.00928567 Jy ! Clean residual min=-0.001350 max=0.001109 Jy/beam ! Clean residual mean=-0.000000 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.00928567 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.00928567 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=0.028478Jy sigma=0.704449 ! Fit after self-cal, rms=0.027131Jy sigma=0.666566 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00397077 Jy ! Component: 100 - total flux cleaned = 0.00512236 Jy ! Total flux subtracted in 100 components = 0.00512236 Jy ! Clean residual min=-0.001067 max=0.000976 Jy/beam ! Clean residual mean=-0.000000 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.014408 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 8 components and 0.014408 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=0.026668Jy sigma=0.654990 ! Fit after self-cal, rms=0.026645Jy sigma=0.654781 ! 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=1.647 mas, bmaj=5.035 mas, bpa=-32.52 degrees ! Estimated noise=0.15242 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 = 0.000428074 Jy ! Component: 100 - total flux cleaned = 0.000565829 Jy ! Component: 150 - total flux cleaned = 0.000614737 Jy ! Component: 200 - total flux cleaned = 0.000646127 Jy ! Total flux subtracted in 200 components = 0.000646127 Jy ! Clean residual min=-0.000643 max=0.000662 Jy/beam ! Clean residual mean=-0.000000 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.0150542 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.0150542 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=0.026636Jy sigma=0.654616 ! Fit after self-cal, rms=0.026617Jy sigma=0.654448 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.647 x 5.035 at -32.52 degrees (North through East) ! Clean map min=-0.00064709 max=0.013435 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.83 HN 0.93 KP 1.10 ! LA 0.96 MK 0.97 NL 1.01 OV 0.95 ! PT 0.99 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.83 HN 0.96 KP 1.08 ! LA 1.04 MK 1.02 NL 0.99 OV 1.08 ! PT 0.78 SC 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.87 HN 0.97 KP 1.07 ! LA 0.96 MK 0.92 NL 0.95 OV 1.03 ! PT 0.98 SC 0.88 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.85 HN 0.84 KP 1.16 ! LA 1.04 MK 0.88 NL 1.06 OV 1.05 ! PT 0.87 SC 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 HN 0.95 KP 1.11 ! LA 1.01 MK 1.06 NL 1.01 OV 1.08 ! PT 0.95 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.92 HN 1.06 KP 1.17 ! LA 1.09 MK 1.02 NL 1.04 OV 1.04 ! PT 1.12 SC 0.90 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 0.95 HN 0.97 KP 1.06 ! LA 1.08 MK 0.97 NL 1.00 OV 0.99 ! PT 0.99 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 HN 1.05 KP 1.13 ! LA 1.12 MK 0.96 NL 1.11 OV 1.02 ! PT 0.98 SC 1.01 ! ! ! Fit before self-cal, rms=0.026617Jy sigma=0.654448 ! Fit after self-cal, rms=0.026240Jy sigma=0.652704 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.629 mas, bmaj=5.045 mas, bpa=-32.48 degrees ! Estimated noise=0.151723 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 = 0.000122184 Jy ! Component: 100 - total flux cleaned = 0.000112764 Jy ! Component: 150 - total flux cleaned = 0.000108817 Jy ! Component: 200 - total flux cleaned = 0.000105466 Jy ! Total flux subtracted in 200 components = 0.000105466 Jy ! Clean residual min=-0.000374 max=0.000421 Jy/beam ! Clean residual mean=0.000000 rms=0.000093 Jy/beam ! Combined flux in latest and established models = 0.0151596 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 29 components and 0.0151596 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=0.026239Jy sigma=0.652669 ! Fit after self-cal, rms=0.026272Jy sigma=0.651922 ! 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=0.026272Jy sigma=0.651922 ! Fit after self-cal, rms=0.026520Jy sigma=0.651767 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.619 mas, bmaj=5.044 mas, bpa=-32.48 degrees ! Estimated noise=0.152085 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000155103 Jy ! Component: 100 - total flux cleaned = 0.000155218 Jy ! Component: 150 - total flux cleaned = 0.000151533 Jy ! Component: 200 - total flux cleaned = 0.000144582 Jy ! Total flux subtracted in 200 components = 0.000144582 Jy ! Clean residual min=-0.000380 max=0.000423 Jy/beam ! Clean residual mean=0.000000 rms=0.000094 Jy/beam ! Combined flux in latest and established models = 0.0153042 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 36 components and 0.0153042 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=0.026518Jy sigma=0.651735 ! Fit after self-cal, rms=0.026543Jy sigma=0.651595 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 (-5.1, -75). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000176798 Jy ! Component: 100 - total flux cleaned = 0.000167282 Jy ! Component: 150 - total flux cleaned = 0.000160875 Jy ! Component: 200 - total flux cleaned = 0.000166174 Jy ! Total flux subtracted in 200 components = 0.000166174 Jy ! Clean residual min=-0.000330 max=0.000417 Jy/beam ! Clean residual mean=0.000000 rms=0.000088 Jy/beam ! Combined flux in latest and established models = 0.0154704 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 56 components and 0.0154704 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=0.026537Jy sigma=0.651432 ! Fit after self-cal, rms=0.026537Jy sigma=0.651309 ! Inverting map ! Added new window around map position (-47.1, -22.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000389905 Jy ! Component: 100 - total flux cleaned = 0.000512179 Jy ! Component: 150 - total flux cleaned = 0.000528645 Jy ! Component: 200 - total flux cleaned = 0.000578832 Jy ! Total flux subtracted in 200 components = 0.000578832 Jy ! Clean residual min=-0.000312 max=0.000340 Jy/beam ! Clean residual mean=0.000000 rms=0.000083 Jy/beam ! Combined flux in latest and established models = 0.0160492 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 69 components and 0.0160492 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=0.026529Jy sigma=0.651114 ! Fit after self-cal, rms=0.026527Jy sigma=0.651003 ! 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=0.026527Jy sigma=0.651003 ! Fit after self-cal, rms=0.026640Jy sigma=0.650969 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.616 mas, bmaj=5.037 mas, bpa=-32.48 degrees ! Estimated noise=0.152269 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000293993 Jy ! Component: 100 - total flux cleaned = 0.000394323 Jy ! Component: 150 - total flux cleaned = 0.000444051 Jy ! Component: 200 - total flux cleaned = 0.000482561 Jy ! Total flux subtracted in 200 components = 0.000482561 Jy ! Clean residual min=-0.000302 max=0.000330 Jy/beam ! Clean residual mean=0.000000 rms=0.000081 Jy/beam ! Combined flux in latest and established models = 0.0165318 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 76 components and 0.0165318 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=0.026635Jy sigma=0.650846 ! Fit after self-cal, rms=0.026640Jy sigma=0.650720 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 = 0.000229928 Jy ! Component: 100 - total flux cleaned = 0.00028196 Jy ! Component: 150 - total flux cleaned = 0.000308099 Jy ! Component: 200 - total flux cleaned = 0.000343645 Jy ! Total flux subtracted in 200 components = 0.000343645 Jy ! Clean residual min=-0.000302 max=0.000322 Jy/beam ! Clean residual mean=0.000000 rms=0.000080 Jy/beam ! Combined flux in latest and established models = 0.0168754 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 82 components and 0.0168754 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=0.026636Jy sigma=0.650628 ! Fit after self-cal, rms=0.026636Jy sigma=0.650561 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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=0.026636Jy sigma=0.650561 ! Fit after self-cal, rms=0.026703Jy sigma=0.650544 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.55 mas, bmaj=5.369 mas, bpa=-37.86 degrees ! Estimated noise=0.188799 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000131552 Jy ! Component: 100 - total flux cleaned = 0.00021625 Jy ! Component: 150 - total flux cleaned = 0.000276783 Jy ! Component: 200 - total flux cleaned = 0.000314736 Jy ! Total flux subtracted in 200 components = 0.000314736 Jy ! Clean residual min=-0.000288 max=0.000287 Jy/beam ! Clean residual mean=0.000000 rms=0.000080 Jy/beam ! Combined flux in latest and established models = 0.0171902 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 99 components and 0.0171902 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=0.026700Jy sigma=0.650492 ! Fit after self-cal, rms=0.026707Jy sigma=0.650427 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 = 0.000136074 Jy ! Component: 100 - total flux cleaned = 0.0002016 Jy ! Component: 150 - total flux cleaned = 0.000247774 Jy ! Component: 200 - total flux cleaned = 0.000280307 Jy ! Total flux subtracted in 200 components = 0.000280307 Jy ! Clean residual min=-0.000300 max=0.000283 Jy/beam ! Clean residual mean=0.000000 rms=0.000079 Jy/beam ! Combined flux in latest and established models = 0.0174705 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 110 components and 0.0174705 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=0.026706Jy sigma=0.650392 ! Fit after self-cal, rms=0.026708Jy sigma=0.650377 ! 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=1.615 mas, bmaj=5.033 mas, bpa=-32.46 degrees ! Estimated noise=0.152391 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.615 x 5.033 at -32.46 degrees (North through East) ! Clean map min=-0.00039197 max=0.013299 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.155 mas, bmaj=5.162 mas, bpa=-31.73 degrees ! Estimated noise=0.373639 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0108454 Jy ! Component: 100 - total flux cleaned = 0.0133654 Jy ! Component: 150 - total flux cleaned = 0.0147536 Jy ! Component: 200 - total flux cleaned = 0.0157262 Jy ! Total flux subtracted in 200 components = 0.0157262 Jy ! Clean residual min=-0.000883 max=0.000899 Jy/beam ! Clean residual mean=-0.000000 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.0157262 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0157262 Jy ! Inverting map and beam ! Estimated beam: bmin=1.615 mas, bmaj=5.033 mas, bpa=-32.46 degrees ! Estimated noise=0.152391 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 (1.8, 4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000730285 Jy ! Component: 100 - total flux cleaned = 0.00101852 Jy ! Component: 150 - total flux cleaned = 0.00116353 Jy ! Component: 200 - total flux cleaned = 0.00130279 Jy ! Total flux subtracted in 200 components = 0.00130279 Jy ! Clean residual min=-0.000378 max=0.000396 Jy/beam ! Clean residual mean=0.000000 rms=0.000099 Jy/beam ! Combined flux in latest and established models = 0.017029 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 37 components and 0.017029 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.55 mas, bmaj=5.369 mas, bpa=-37.86 degrees ! Estimated noise=0.188799 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.99938e-05 Jy ! Component: 100 - total flux cleaned = 0.000191806 Jy ! Component: 150 - total flux cleaned = 0.000323134 Jy ! Component: 200 - total flux cleaned = 0.000393662 Jy ! Total flux subtracted in 200 components = 0.000393662 Jy ! Clean residual min=-0.000332 max=0.000343 Jy/beam ! Clean residual mean=0.000000 rms=0.000093 Jy/beam ! Combined flux in latest and established models = 0.0174227 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 = 3.96692e-05 Jy ! Component: 100 - total flux cleaned = 8.30775e-05 Jy ! Component: 150 - total flux cleaned = 8.96134e-05 Jy ! Component: 200 - total flux cleaned = 0.000107827 Jy ! Total flux subtracted in 200 components = 0.000107827 Jy ! Clean residual min=-0.000300 max=0.000314 Jy/beam ! Clean residual mean=0.000000 rms=0.000084 Jy/beam ! Combined flux in latest and established models = 0.0175305 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 84 components and 0.0175305 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.615 mas, bmaj=5.033 mas, bpa=-32.46 degrees ! Estimated noise=0.152391 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000104904 Jy ! Component: 100 - total flux cleaned = 0.000202789 Jy ! Component: 150 - total flux cleaned = 0.000226097 Jy ! Component: 200 - total flux cleaned = 0.000247114 Jy ! Total flux subtracted in 200 components = 0.000247114 Jy ! Clean residual min=-0.000310 max=0.000354 Jy/beam ! Clean residual mean=0.000000 rms=0.000082 Jy/beam ! Combined flux in latest and established models = 0.0177776 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 107 components and 0.0177776 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=0.026709Jy sigma=0.650444 ! Fit after self-cal, rms=0.026710Jy sigma=0.650384 wmodel J0451+5721_C_map.mod ! Writing 107 model components to file: J0451+5721_C_map.mod wobs J0451+5721_C_uvs.fits ! Writing UV FITS file: J0451+5721_C_uvs.fits wwins J0451+5721_C_map.win ! wwins: Wrote 4 windows to J0451+5721_C_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 = 0.000103196 Jy ! Component: 100 - total flux cleaned = 0.000131733 Jy ! Component: 150 - total flux cleaned = 0.00015343 Jy ! Component: 200 - total flux cleaned = 0.000163846 Jy ! Component: 250 - total flux cleaned = 0.000178823 Jy ! Component: 300 - total flux cleaned = 0.000217499 Jy ! Component: 350 - total flux cleaned = 0.000245816 Jy ! Component: 400 - total flux cleaned = 0.000282796 Jy ! Component: 450 - total flux cleaned = 0.000314589 Jy ! Component: 500 - total flux cleaned = 0.000359168 Jy ! Component: 550 - total flux cleaned = 0.000385321 Jy ! Component: 600 - total flux cleaned = 0.000415452 Jy ! Component: 650 - total flux cleaned = 0.00042819 Jy ! Component: 700 - total flux cleaned = 0.000449249 Jy ! Component: 750 - total flux cleaned = 0.000478185 Jy ! Component: 800 - total flux cleaned = 0.000486348 Jy ! Component: 850 - total flux cleaned = 0.000514659 Jy ! Component: 900 - total flux cleaned = 0.000526714 Jy ! Component: 950 - total flux cleaned = 0.000550416 Jy ! Component: 1000 - total flux cleaned = 0.000573882 Jy ! Component: 1050 - total flux cleaned = 0.000593158 Jy ! Component: 1100 - total flux cleaned = 0.000604632 Jy ! Component: 1150 - total flux cleaned = 0.000615953 Jy ! Component: 1200 - total flux cleaned = 0.000615981 Jy ! Component: 1250 - total flux cleaned = 0.000649453 Jy ! Component: 1300 - total flux cleaned = 0.000664172 Jy ! Component: 1350 - total flux cleaned = 0.000682463 Jy ! Component: 1400 - total flux cleaned = 0.000718729 Jy ! Component: 1450 - total flux cleaned = 0.000715112 Jy ! Component: 1500 - total flux cleaned = 0.000740111 Jy ! Component: 1550 - total flux cleaned = 0.000747228 Jy ! Component: 1600 - total flux cleaned = 0.00076131 Jy ! Component: 1650 - total flux cleaned = 0.000789187 Jy ! Component: 1700 - total flux cleaned = 0.000792599 Jy ! Component: 1750 - total flux cleaned = 0.000795997 Jy ! Component: 1800 - total flux cleaned = 0.000806232 Jy ! Component: 1850 - total flux cleaned = 0.000802839 Jy ! Component: 1900 - total flux cleaned = 0.00081294 Jy ! Component: 1950 - total flux cleaned = 0.000829637 Jy ! Component: 2000 - total flux cleaned = 0.000839588 Jy ! Component: 2050 - total flux cleaned = 0.000836264 Jy ! Component: 2100 - total flux cleaned = 0.000855939 Jy ! Component: 2150 - total flux cleaned = 0.000859181 Jy ! Component: 2200 - total flux cleaned = 0.000885033 Jy ! Component: 2250 - total flux cleaned = 0.000891415 Jy ! Component: 2300 - total flux cleaned = 0.000894599 Jy ! Component: 2350 - total flux cleaned = 0.000904125 Jy ! Component: 2400 - total flux cleaned = 0.000907267 Jy ! Component: 2450 - total flux cleaned = 0.000922948 Jy ! Component: 2500 - total flux cleaned = 0.000932307 Jy ! Component: 2550 - total flux cleaned = 0.000941608 Jy ! Component: 2600 - total flux cleaned = 0.00093546 Jy ! Component: 2650 - total flux cleaned = 0.000956954 Jy ! Component: 2700 - total flux cleaned = 0.00096608 Jy ! Component: 2750 - total flux cleaned = 0.000969092 Jy ! Component: 2800 - total flux cleaned = 0.000972104 Jy ! Component: 2850 - total flux cleaned = 0.000990109 Jy ! Component: 2900 - total flux cleaned = 0.000990099 Jy ! Component: 2950 - total flux cleaned = 0.00100199 Jy ! Component: 3000 - total flux cleaned = 0.00101083 Jy ! Component: 3050 - total flux cleaned = 0.0010167 Jy ! Component: 3100 - total flux cleaned = 0.00102258 Jy ! Component: 3150 - total flux cleaned = 0.00101097 Jy ! Component: 3200 - total flux cleaned = 0.00103412 Jy ! Component: 3250 - total flux cleaned = 0.00104566 Jy ! Component: 3300 - total flux cleaned = 0.00104566 Jy ! Component: 3350 - total flux cleaned = 0.0010485 Jy ! Component: 3400 - total flux cleaned = 0.00105132 Jy ! Component: 3450 - total flux cleaned = 0.00104 Jy ! Component: 3500 - total flux cleaned = 0.00103722 Jy ! Component: 3550 - total flux cleaned = 0.00103445 Jy ! Component: 3600 - total flux cleaned = 0.00104282 Jy ! Component: 3650 - total flux cleaned = 0.00103173 Jy ! Component: 3700 - total flux cleaned = 0.00104279 Jy ! Component: 3750 - total flux cleaned = 0.00102355 Jy ! Component: 3800 - total flux cleaned = 0.00102904 Jy ! Component: 3850 - total flux cleaned = 0.00103177 Jy ! Component: 3900 - total flux cleaned = 0.00102907 Jy ! Component: 3950 - total flux cleaned = 0.00103447 Jy ! Component: 4000 - total flux cleaned = 0.00102909 Jy ! Component: 4050 - total flux cleaned = 0.00102372 Jy ! Total flux subtracted in 4096 components = 0.00102641 Jy ! Clean residual min=-0.000158 max=0.000137 Jy/beam ! Clean residual mean=-0.000000 rms=0.000048 Jy/beam ! Combined flux in latest and established models = 0.018804 Jy keep ! Adding 267 model components to the UV plane model. ! The established model now contains 374 components and 0.018804 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0451+5721_C_20180503_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.615 x 5.033 at -32.46 degrees (North through East) ! Clean map min=-0.00033211 max=0.013302 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0451+5721_C_20180503_map.fits wmodel /vlbi/bs262/maps//J0451+5721_C_20180503_map.mod ! Writing 374 model components to file: /vlbi/bs262/maps//J0451+5721_C_20180503_map.mod wobs /vlbi/bs262/maps//J0451+5721_C_20180503_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0451+5721_C_20180503_uvs.fits wwins /vlbi/bs262/maps//J0451+5721_C_20180503_map.win ! wwins: Wrote 5 windows to /vlbi/bs262/maps//J0451+5721_C_20180503_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0133017 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 4.82129e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.08737 1.08737 2.17473 4.34947 8.69894 17.3979 34.7958 69.5915 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.013 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 275.895 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0451+5721_C_20180503_dfm.log closed on Mon Jun 4 23:17:05 2018