! Started logfile: /vlbi/bp222/maps//J2257+4154_S_dfm.log on Mon Jan 14 17:26:26 2019 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/bp222/maps//J2257+4154_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2257+4154_S_uvm.fits ! AN table 1: 139 integrations on 45 of 45 possible baselines. ! AN table 2: 23 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.854853 visibilities/baseline/integration-bin. ! Found source: J2257+4154 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 54 lines of history. ! ! Reading 23040 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J2257+4154_S] 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 0.500x0.500 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 116 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 116 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 116 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1390 telescope corrections were flagged in sub-array 1. ! A total of 92 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.114729Jy sigma=19.702079 ! Fit after self-cal, rms=0.755407Jy sigma=12.873317 ! 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=2.887 mas, bmaj=6.358 mas, bpa=-11.48 degrees ! Estimated noise=0.477152 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 = 0.245411 Jy ! Component: 100 - total flux cleaned = 0.36695 Jy ! Total flux subtracted in 100 components = 0.36695 Jy ! Clean residual min=-0.048666 max=0.072690 Jy/beam ! Clean residual mean=0.000382 rms=0.010938 Jy/beam ! Combined flux in latest and established models = 0.36695 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 26 components and 0.36695 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.316432Jy sigma=5.762472 ! Fit after self-cal, rms=0.313435Jy sigma=5.732737 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0804413 Jy ! Component: 100 - total flux cleaned = 0.135425 Jy ! Total flux subtracted in 100 components = 0.135425 Jy ! Clean residual min=-0.042866 max=0.063233 Jy/beam ! Clean residual mean=0.000304 rms=0.009665 Jy/beam ! Combined flux in latest and established models = 0.502375 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 42 components and 0.502375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.279742Jy sigma=5.058356 ! Fit after self-cal, rms=0.279175Jy sigma=5.053555 ! Inverting map ! Added new window around map position (0.5, -12). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0606179 Jy ! Component: 100 - total flux cleaned = 0.100319 Jy ! Total flux subtracted in 100 components = 0.100319 Jy ! Clean residual min=-0.037731 max=0.063850 Jy/beam ! Clean residual mean=0.000246 rms=0.008845 Jy/beam ! Combined flux in latest and established models = 0.602694 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 72 components and 0.602694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.258898Jy sigma=4.664969 ! Fit after self-cal, rms=0.253436Jy sigma=4.619855 ! Inverting map ! Added new window around map position (-32, -23.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0691168 Jy ! Component: 100 - total flux cleaned = 0.114924 Jy ! Total flux subtracted in 100 components = 0.114924 Jy ! Clean residual min=-0.029856 max=0.043190 Jy/beam ! Clean residual mean=0.000218 rms=0.007583 Jy/beam ! Combined flux in latest and established models = 0.717618 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 100 components and 0.717618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224573Jy sigma=4.083297 ! Fit after self-cal, rms=0.218882Jy sigma=4.003718 ! 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=3.532 mas, bmaj=7.35 mas, bpa=-11.34 degrees ! Estimated noise=0.316497 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 = 0.0766926 Jy ! Component: 100 - total flux cleaned = 0.131374 Jy ! Component: 150 - total flux cleaned = 0.174966 Jy ! Component: 200 - total flux cleaned = 0.210735 Jy ! Total flux subtracted in 200 components = 0.210735 Jy ! Clean residual min=-0.033837 max=0.073496 Jy/beam ! Clean residual mean=0.000212 rms=0.010698 Jy/beam ! Combined flux in latest and established models = 0.928353 Jy ! Performing phase self-cal ! Adding 77 model components to the UV plane model. ! The established model now contains 159 components and 0.928353 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181727Jy sigma=3.289413 ! Fit after self-cal, rms=0.175964Jy sigma=3.190380 ! Inverting map ! Added new window around map position (-20, -20). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0708249 Jy ! Component: 100 - total flux cleaned = 0.117284 Jy ! Component: 150 - total flux cleaned = 0.15617 Jy ! Component: 200 - total flux cleaned = 0.18941 Jy ! Total flux subtracted in 200 components = 0.18941 Jy ! Clean residual min=-0.020996 max=0.033730 Jy/beam ! Clean residual mean=0.000168 rms=0.006952 Jy/beam ! Combined flux in latest and established models = 1.11776 Jy ! Performing phase self-cal ! Adding 84 model components to the UV plane model. ! The established model now contains 222 components and 1.11776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138548Jy sigma=2.403120 ! Fit after self-cal, rms=0.135917Jy sigma=2.343974 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.532 x 7.35 at -11.34 degrees (North through East) ! Clean map min=-0.020701 max=0.28869 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.89 HN 1.03 KP 1.04 ! LA 0.88 MK 1.08 NL 1.00 OV 0.96 ! PT 0.88 SC 1.15 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.77 FD 0.86 KP 1.11 LA 0.85 ! NL 1.09 OV 0.96 PT 0.87 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.90 HN 1.04 KP 1.05 ! LA 0.89 MK 1.06 NL 1.04 OV 0.98 ! PT 0.88 SC 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.78 FD 0.86 KP 1.08 LA 0.86 ! NL 1.07 OV 0.98 PT 0.85 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.90 HN 1.03 KP 1.06 ! LA 0.89 MK 1.07 NL 1.06 OV 0.98 ! PT 0.89 SC 1.19 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.81 FD 0.88 KP 1.09 LA 0.81 ! NL 1.02 OV 0.97 PT 0.87 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* OV 0.00* ! PT 0.00* SC 0.00* ! ! A total of 69 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* KP 0.00* LA 0.00* ! NL 0.00* OV 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.135917Jy sigma=2.343974 ! Fit after self-cal, rms=0.106063Jy sigma=1.769279 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.688 mas, bmaj=7.599 mas, bpa=-11.94 degrees ! Estimated noise=0.307035 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 (-12, -22). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0266374 Jy ! Component: 100 - total flux cleaned = 0.0384926 Jy ! Component: 150 - total flux cleaned = 0.0484368 Jy ! Component: 200 - total flux cleaned = 0.0580741 Jy ! Total flux subtracted in 200 components = 0.0580741 Jy ! Clean residual min=-0.013173 max=0.018131 Jy/beam ! Clean residual mean=0.000028 rms=0.003426 Jy/beam ! Combined flux in latest and established models = 1.17584 Jy ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 260 components and 1.17584 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.095847Jy sigma=1.513947 ! Fit after self-cal, rms=0.095267Jy sigma=1.502759 ! Inverting map ! Added new window around map position (-27, -29). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.009874 Jy ! Component: 100 - total flux cleaned = 0.0151458 Jy ! Component: 150 - total flux cleaned = 0.0197983 Jy ! Component: 200 - total flux cleaned = 0.0240036 Jy ! Total flux subtracted in 200 components = 0.0240036 Jy ! Clean residual min=-0.011404 max=0.014739 Jy/beam ! Clean residual mean=0.000024 rms=0.002921 Jy/beam ! Combined flux in latest and established models = 1.19984 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 279 components and 1.19984 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.089970Jy sigma=1.384498 ! Fit after self-cal, rms=0.089556Jy sigma=1.377586 ! 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. ! ! Fit before self-cal, rms=0.089556Jy sigma=1.377586 ! Fit after self-cal, rms=0.082515Jy sigma=1.311265 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.696 mas, bmaj=7.656 mas, bpa=-11.54 degrees ! Estimated noise=0.304975 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00338961 Jy ! Component: 100 - total flux cleaned = 0.00859739 Jy ! Component: 150 - total flux cleaned = 0.0138539 Jy ! Component: 200 - total flux cleaned = 0.0178721 Jy ! Total flux subtracted in 200 components = 0.0178721 Jy ! Clean residual min=-0.010419 max=0.010722 Jy/beam ! Clean residual mean=0.000025 rms=0.002275 Jy/beam ! Combined flux in latest and established models = 1.21771 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 303 components and 1.21771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.079179Jy sigma=1.222119 ! Fit after self-cal, rms=0.078850Jy sigma=1.216818 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 = 0.00344912 Jy ! Component: 100 - total flux cleaned = 0.0071235 Jy ! Component: 150 - total flux cleaned = 0.0110275 Jy ! Component: 200 - total flux cleaned = 0.0141056 Jy ! Total flux subtracted in 200 components = 0.0141056 Jy ! Clean residual min=-0.009498 max=0.009774 Jy/beam ! Clean residual mean=0.000021 rms=0.002032 Jy/beam ! Combined flux in latest and established models = 1.23182 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 315 components and 1.23182 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076938Jy sigma=1.172493 ! Fit after self-cal, rms=0.076758Jy sigma=1.169486 ! 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. ! ! Fit before self-cal, rms=0.076758Jy sigma=1.169486 ! Fit after self-cal, rms=0.068797Jy sigma=1.106757 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.688 mas, bmaj=7.636 mas, bpa=-11.56 degrees ! Estimated noise=0.302005 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000814182 Jy ! Component: 100 - total flux cleaned = 0.00429029 Jy ! Component: 150 - total flux cleaned = 0.00753725 Jy ! Component: 200 - total flux cleaned = 0.00981025 Jy ! Total flux subtracted in 200 components = 0.00981025 Jy ! Clean residual min=-0.007628 max=0.008030 Jy/beam ! Clean residual mean=0.000015 rms=0.001647 Jy/beam ! Combined flux in latest and established models = 1.24163 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 336 components and 1.24163 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067224Jy sigma=1.065161 ! Fit after self-cal, rms=0.067077Jy sigma=1.062687 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 (-3, -20). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00379536 Jy ! Component: 100 - total flux cleaned = 0.00661019 Jy ! Component: 150 - total flux cleaned = 0.00893817 Jy ! Component: 200 - total flux cleaned = 0.0107363 Jy ! Total flux subtracted in 200 components = 0.0107363 Jy ! Clean residual min=-0.007089 max=0.007808 Jy/beam ! Clean residual mean=0.000009 rms=0.001469 Jy/beam ! Combined flux in latest and established models = 1.25236 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 359 components and 1.25236 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065839Jy sigma=1.032326 ! Fit after self-cal, rms=0.065674Jy sigma=1.030024 ! Inverting map ! Added new window around map position (4.5, -9.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00341104 Jy ! Component: 100 - total flux cleaned = 0.00517968 Jy ! Component: 150 - total flux cleaned = 0.00747167 Jy ! Component: 200 - total flux cleaned = 0.00924768 Jy ! Total flux subtracted in 200 components = 0.00924768 Jy ! Clean residual min=-0.006702 max=0.007353 Jy/beam ! Clean residual mean=0.000005 rms=0.001364 Jy/beam ! Combined flux in latest and established models = 1.26161 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 375 components and 1.26161 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064469Jy sigma=1.007235 ! Fit after self-cal, rms=0.064383Jy sigma=1.005522 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.064383Jy sigma=1.005522 ! Fit after self-cal, rms=0.062669Jy sigma=0.995786 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.991 mas, bmaj=10.27 mas, bpa=-14.75 degrees ! Estimated noise=0.338677 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00474938 Jy ! Component: 100 - total flux cleaned = 0.00840082 Jy ! Component: 150 - total flux cleaned = 0.0113677 Jy ! Component: 200 - total flux cleaned = 0.013657 Jy ! Total flux subtracted in 200 components = 0.013657 Jy ! Clean residual min=-0.006510 max=0.005941 Jy/beam ! Clean residual mean=0.000010 rms=0.001439 Jy/beam ! Combined flux in latest and established models = 1.27527 Jy selfcal ! Performing phase self-cal ! Adding 58 model components to the UV plane model. ! The established model now contains 425 components and 1.27527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062301Jy sigma=0.978582 ! Fit after self-cal, rms=0.062232Jy sigma=0.976758 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 = 0.00184398 Jy ! Component: 100 - total flux cleaned = 0.00383952 Jy ! Component: 150 - total flux cleaned = 0.00475168 Jy ! Component: 200 - total flux cleaned = 0.00554901 Jy ! Total flux subtracted in 200 components = 0.00554901 Jy ! Clean residual min=-0.005968 max=0.005110 Jy/beam ! Clean residual mean=0.000007 rms=0.001295 Jy/beam ! Combined flux in latest and established models = 1.28082 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 454 components and 1.28082 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062065Jy sigma=0.969878 ! Fit after self-cal, rms=0.062036Jy sigma=0.969018 ! 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=3.67 mas, bmaj=7.618 mas, bpa=-11.58 degrees ! Estimated noise=0.29853 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.67 x 7.618 at -11.58 degrees (North through East) ! Clean map min=-0.0052409 max=0.26259 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=2.981 mas, bmaj=6.575 mas, bpa=-11.89 degrees ! Estimated noise=0.463779 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.233711 Jy ! Component: 100 - total flux cleaned = 0.367855 Jy ! Component: 150 - total flux cleaned = 0.46643 Jy ! Component: 200 - total flux cleaned = 0.543405 Jy ! Total flux subtracted in 200 components = 0.543405 Jy ! Clean residual min=-0.031789 max=0.045710 Jy/beam ! Clean residual mean=0.000214 rms=0.007842 Jy/beam ! Combined flux in latest and established models = 0.543405 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 52 model components to the UV plane model. ! The established model now contains 52 components and 0.543405 Jy ! Inverting map and beam ! Estimated beam: bmin=3.67 mas, bmaj=7.618 mas, bpa=-11.58 degrees ! Estimated noise=0.29853 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 = 0.095392 Jy ! Component: 100 - total flux cleaned = 0.171657 Jy ! Component: 150 - total flux cleaned = 0.236158 Jy ! Component: 200 - total flux cleaned = 0.291952 Jy ! Total flux subtracted in 200 components = 0.291952 Jy ! Clean residual min=-0.022887 max=0.034702 Jy/beam ! Clean residual mean=0.000167 rms=0.008675 Jy/beam ! Combined flux in latest and established models = 0.835357 Jy ! Adding 113 model components to the UV plane model. ! The established model now contains 152 components and 0.835357 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.991 mas, bmaj=10.27 mas, bpa=-14.75 degrees ! Estimated noise=0.338677 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0837878 Jy ! Component: 100 - total flux cleaned = 0.147817 Jy ! Component: 150 - total flux cleaned = 0.198423 Jy ! Component: 200 - total flux cleaned = 0.239227 Jy ! Total flux subtracted in 200 components = 0.239227 Jy ! Clean residual min=-0.018846 max=0.024468 Jy/beam ! Clean residual mean=0.000149 rms=0.007176 Jy/beam ! Combined flux in latest and established models = 1.07458 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 = 0.0335225 Jy ! Component: 100 - total flux cleaned = 0.0614053 Jy ! Component: 150 - total flux cleaned = 0.0847968 Jy ! Component: 200 - total flux cleaned = 0.104536 Jy ! Total flux subtracted in 200 components = 0.104536 Jy ! Clean residual min=-0.011211 max=0.012755 Jy/beam ! Clean residual mean=0.000077 rms=0.003716 Jy/beam ! Combined flux in latest and established models = 1.17912 Jy ! Adding 245 model components to the UV plane model. ! The established model now contains 369 components and 1.17912 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.67 mas, bmaj=7.618 mas, bpa=-11.58 degrees ! Estimated noise=0.29853 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.016055 Jy ! Component: 100 - total flux cleaned = 0.0287855 Jy ! Component: 150 - total flux cleaned = 0.0399466 Jy ! Component: 200 - total flux cleaned = 0.0498241 Jy ! Total flux subtracted in 200 components = 0.0498241 Jy ! Clean residual min=-0.007335 max=0.015082 Jy/beam ! Clean residual mean=0.000022 rms=0.001834 Jy/beam ! Combined flux in latest and established models = 1.22894 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 399 components and 1.22894 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071976Jy sigma=1.151353 ! Fit after self-cal, rms=0.070524Jy sigma=1.126081 wmodel J2257+4154_S_map.mod ! Writing 399 model components to file: J2257+4154_S_map.mod wobs J2257+4154_S_uvs.fits ! Writing UV FITS file: J2257+4154_S_uvs.fits wwins J2257+4154_S_map.win ! wwins: Wrote 8 windows to J2257+4154_S_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 = 0.00437009 Jy ! Component: 100 - total flux cleaned = 0.00795579 Jy ! Component: 150 - total flux cleaned = 0.0110103 Jy ! Component: 200 - total flux cleaned = 0.013647 Jy ! Component: 250 - total flux cleaned = 0.0162886 Jy ! Component: 300 - total flux cleaned = 0.0184575 Jy ! Component: 350 - total flux cleaned = 0.0200816 Jy ! Component: 400 - total flux cleaned = 0.0217644 Jy ! Component: 450 - total flux cleaned = 0.0233927 Jy ! Component: 500 - total flux cleaned = 0.0249705 Jy ! Component: 550 - total flux cleaned = 0.0265053 Jy ! Component: 600 - total flux cleaned = 0.0279986 Jy ! Component: 650 - total flux cleaned = 0.0296472 Jy ! Component: 700 - total flux cleaned = 0.0311601 Jy ! Component: 750 - total flux cleaned = 0.0318068 Jy ! Component: 800 - total flux cleaned = 0.0325339 Jy ! Component: 850 - total flux cleaned = 0.0331581 Jy ! Component: 900 - total flux cleaned = 0.0338587 Jy ! Component: 950 - total flux cleaned = 0.03463 Jy ! Component: 1000 - total flux cleaned = 0.0350509 Jy ! Component: 1050 - total flux cleaned = 0.0355491 Jy ! Component: 1100 - total flux cleaned = 0.0358772 Jy ! Component: 1150 - total flux cleaned = 0.0364429 Jy ! Component: 1200 - total flux cleaned = 0.0366828 Jy ! Component: 1250 - total flux cleaned = 0.0371552 Jy ! Component: 1300 - total flux cleaned = 0.0375433 Jy ! Component: 1350 - total flux cleaned = 0.0376951 Jy ! Component: 1400 - total flux cleaned = 0.0378467 Jy ! Component: 1450 - total flux cleaned = 0.0378467 Jy ! Component: 1500 - total flux cleaned = 0.0381423 Jy ! Component: 1550 - total flux cleaned = 0.0382883 Jy ! Component: 1600 - total flux cleaned = 0.0383597 Jy ! Component: 1650 - total flux cleaned = 0.0384321 Jy ! Component: 1700 - total flux cleaned = 0.0387143 Jy ! Component: 1750 - total flux cleaned = 0.0387839 Jy ! Component: 1800 - total flux cleaned = 0.0390593 Jy ! Component: 1850 - total flux cleaned = 0.0391951 Jy ! Component: 1900 - total flux cleaned = 0.0392618 Jy ! Component: 1950 - total flux cleaned = 0.0393292 Jy ! Component: 2000 - total flux cleaned = 0.0395276 Jy ! Component: 2050 - total flux cleaned = 0.0398557 Jy ! Component: 2100 - total flux cleaned = 0.0400502 Jy ! Component: 2150 - total flux cleaned = 0.0403071 Jy ! Component: 2200 - total flux cleaned = 0.0404975 Jy ! Component: 2250 - total flux cleaned = 0.0404344 Jy ! Component: 2300 - total flux cleaned = 0.0407476 Jy ! Component: 2350 - total flux cleaned = 0.0408101 Jy ! Component: 2400 - total flux cleaned = 0.0410553 Jy ! Component: 2450 - total flux cleaned = 0.0411772 Jy ! Component: 2500 - total flux cleaned = 0.0414781 Jy ! Component: 2550 - total flux cleaned = 0.041716 Jy ! Component: 2600 - total flux cleaned = 0.0416567 Jy ! Component: 2650 - total flux cleaned = 0.0418921 Jy ! Component: 2700 - total flux cleaned = 0.0421245 Jy ! Component: 2750 - total flux cleaned = 0.0420667 Jy ! Component: 2800 - total flux cleaned = 0.0422383 Jy ! Component: 2850 - total flux cleaned = 0.0425771 Jy ! Component: 2900 - total flux cleaned = 0.0425209 Jy ! Component: 2950 - total flux cleaned = 0.0425216 Jy ! Component: 3000 - total flux cleaned = 0.0427977 Jy ! Component: 3050 - total flux cleaned = 0.042962 Jy ! Component: 3100 - total flux cleaned = 0.0430158 Jy ! Component: 3150 - total flux cleaned = 0.0429085 Jy ! Component: 3200 - total flux cleaned = 0.043228 Jy ! Component: 3250 - total flux cleaned = 0.0434395 Jy ! Component: 3300 - total flux cleaned = 0.0435444 Jy ! Component: 3350 - total flux cleaned = 0.0433882 Jy ! Component: 3400 - total flux cleaned = 0.0435942 Jy ! Component: 3450 - total flux cleaned = 0.0436457 Jy ! Component: 3500 - total flux cleaned = 0.043798 Jy ! Component: 3550 - total flux cleaned = 0.0438491 Jy ! Component: 3600 - total flux cleaned = 0.0438495 Jy ! Component: 3650 - total flux cleaned = 0.0440488 Jy ! Component: 3700 - total flux cleaned = 0.0441969 Jy ! Component: 3750 - total flux cleaned = 0.0443438 Jy ! Component: 3800 - total flux cleaned = 0.044392 Jy ! Component: 3850 - total flux cleaned = 0.0442953 Jy ! Component: 3900 - total flux cleaned = 0.0442474 Jy ! Component: 3950 - total flux cleaned = 0.0443428 Jy ! Component: 4000 - total flux cleaned = 0.0444373 Jy ! Component: 4050 - total flux cleaned = 0.0444844 Jy ! Total flux subtracted in 4096 components = 0.0446711 Jy ! Clean residual min=-0.002323 max=0.002516 Jy/beam ! Clean residual mean=0.000005 rms=0.000813 Jy/beam ! Combined flux in latest and established models = 1.27362 Jy keep ! Adding 261 model components to the UV plane model. ! The established model now contains 639 components and 1.27362 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2257+4154_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.67 x 7.618 at -11.58 degrees (North through East) ! Clean map min=-0.0045782 max=0.26444 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2257+4154_S_map.fits wmodel /vlbi/bp222/maps//J2257+4154_S_map.mod ! Writing 639 model components to file: /vlbi/bp222/maps//J2257+4154_S_map.mod wobs /vlbi/bp222/maps//J2257+4154_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2257+4154_S_uvs.fits wwins /vlbi/bp222/maps//J2257+4154_S_map.win ! wwins: Wrote 9 windows to /vlbi/bp222/maps//J2257+4154_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.264438 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000812011 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.921212 0.921212 1.84242 3.68485 7.3697 14.7394 29.4788 58.9576 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.264 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 325.657 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2257+4154_S_dfm.log closed on Mon Jan 14 17:26:32 2019