! Started logfile: /vlbi/bp222/maps//J1936+2357_S_dfm.log on Thu Sep 27 11:32:30 2018 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//J1936+2357_S_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1936+2357_S_uva.fits ! AN table 1: 92 integrations on 36 of 36 possible baselines. ! AN table 2: 23 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.912538 visibilities/baseline/integration-bin. ! Found source: J1936+2357 ! ! 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 14440 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 J1936+2357_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 43 telescope corrections were flagged in sub-array 1. ! A total of 4 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 43 telescope corrections were flagged in sub-array 1. ! A total of 4 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 43 telescope corrections were flagged in sub-array 1. ! A total of 4 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 828 telescope corrections were flagged in sub-array 1. ! A total of 184 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.003242Jy sigma=16.139922 ! Fit after self-cal, rms=0.952369Jy sigma=15.226631 ! 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=2.667 mas, bmaj=7.378 mas, bpa=1.115 degrees ! Estimated noise=0.649899 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 = 0.035049 Jy ! Component: 100 - total flux cleaned = 0.0471056 Jy ! Total flux subtracted in 100 components = 0.0471056 Jy ! Clean residual min=-0.003599 max=0.008329 Jy/beam ! Clean residual mean=0.000016 rms=0.001090 Jy/beam ! Combined flux in latest and established models = 0.0471056 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0471056 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064727Jy sigma=0.945836 ! Fit after self-cal, rms=0.063412Jy sigma=0.926549 ! Inverting map ! Added new window around map position (-0.5, -10). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102757 Jy ! Component: 100 - total flux cleaned = 0.0172345 Jy ! Total flux subtracted in 100 components = 0.0172345 Jy ! Clean residual min=-0.003167 max=0.004011 Jy/beam ! Clean residual mean=0.000011 rms=0.000832 Jy/beam ! Combined flux in latest and established models = 0.0643401 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 39 components and 0.0643402 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060973Jy sigma=0.867074 ! Fit after self-cal, rms=0.060761Jy sigma=0.864812 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00626024 Jy ! Component: 100 - total flux cleaned = 0.0107302 Jy ! Total flux subtracted in 100 components = 0.0107302 Jy ! Clean residual min=-0.002788 max=0.002972 Jy/beam ! Clean residual mean=0.000008 rms=0.000706 Jy/beam ! Combined flux in latest and established models = 0.0750703 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 46 components and 0.0750703 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059777Jy sigma=0.839562 ! Fit after self-cal, rms=0.059703Jy sigma=0.838802 ! 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=3.276 mas, bmaj=8.444 mas, bpa=0.1059 degrees ! Estimated noise=0.443538 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 = 0.00689156 Jy ! Component: 100 - total flux cleaned = 0.0115556 Jy ! Component: 150 - total flux cleaned = 0.0148485 Jy ! Component: 200 - total flux cleaned = 0.0172276 Jy ! Total flux subtracted in 200 components = 0.0172276 Jy ! Clean residual min=-0.002391 max=0.003076 Jy/beam ! Clean residual mean=0.000008 rms=0.000629 Jy/beam ! Combined flux in latest and established models = 0.0922979 Jy ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 85 components and 0.0922979 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058942Jy sigma=0.817218 ! Fit after self-cal, rms=0.058885Jy sigma=0.816138 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.276 x 8.444 at 0.1059 degrees (North through East) ! Clean map min=-0.0023802 max=0.052363 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.10 KP 0.90 LA 1.02 ! MK 0.99 NL 1.10 OV 0.95 PT 0.92 ! SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.84 HN 0.97 KP 0.95 ! LA 0.97 NL 0.95 OV 1.05 SC 1.05 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 1.12 KP 0.95 LA 0.97 ! MK 0.96 NL 1.05 OV 0.97 PT 0.97 ! SC 0.82 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.76 FD 0.90 HN 0.97 KP 1.00 ! LA 1.00 NL 0.94 OV 0.94 SC 0.89 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 HN 1.03 KP 0.93 LA 0.99 ! MK 0.94 NL 1.16 OV 1.00 PT 0.96 ! SC 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.14 FD 0.85 HN 0.97 KP 1.08 ! LA 0.91 NL 1.04 OV 0.99 SC 1.18 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 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* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! ! ! Fit before self-cal, rms=0.058885Jy sigma=0.816138 ! Fit after self-cal, rms=0.059077Jy sigma=0.807725 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.263 mas, bmaj=8.516 mas, bpa=0.4064 degrees ! Estimated noise=0.43698 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 = 0.000525039 Jy ! Component: 100 - total flux cleaned = 0.00056791 Jy ! Component: 150 - total flux cleaned = 0.000644077 Jy ! Component: 200 - total flux cleaned = 0.000696879 Jy ! Total flux subtracted in 200 components = 0.000696879 Jy ! Clean residual min=-0.001959 max=0.001695 Jy/beam ! Clean residual mean=-0.000001 rms=0.000412 Jy/beam ! Combined flux in latest and established models = 0.0929948 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 103 components and 0.0929948 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059056Jy sigma=0.807499 ! Fit after self-cal, rms=0.059174Jy sigma=0.807147 ! 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=0.059174Jy sigma=0.807147 ! Fit after self-cal, rms=0.059473Jy sigma=0.805668 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.262 mas, bmaj=8.529 mas, bpa=0.4462 degrees ! Estimated noise=0.438912 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000517719 Jy ! Component: 100 - total flux cleaned = 0.000649739 Jy ! Component: 150 - total flux cleaned = 0.000721687 Jy ! Component: 200 - total flux cleaned = 0.000773823 Jy ! Total flux subtracted in 200 components = 0.000773823 Jy ! Clean residual min=-0.001795 max=0.001649 Jy/beam ! Clean residual mean=-0.000000 rms=0.000392 Jy/beam ! Combined flux in latest and established models = 0.0937686 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 107 components and 0.0937686 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059460Jy sigma=0.805562 ! Fit after self-cal, rms=0.059484Jy sigma=0.805516 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 = 7.43905e-05 Jy ! Component: 100 - total flux cleaned = 0.000137536 Jy ! Component: 150 - total flux cleaned = 0.000148707 Jy ! Component: 200 - total flux cleaned = 0.000160196 Jy ! Total flux subtracted in 200 components = 0.000160196 Jy ! Clean residual min=-0.001812 max=0.001626 Jy/beam ! Clean residual mean=-0.000000 rms=0.000392 Jy/beam ! Combined flux in latest and established models = 0.0939288 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 110 components and 0.0939288 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059477Jy sigma=0.805463 ! Fit after self-cal, rms=0.059479Jy sigma=0.805459 ! 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=0.059479Jy sigma=0.805459 ! Fit after self-cal, rms=0.058493Jy sigma=0.801464 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.239 mas, bmaj=8.422 mas, bpa=1.055 degrees ! Estimated noise=0.434987 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000209994 Jy ! Component: 100 - total flux cleaned = 0.000282767 Jy ! Component: 150 - total flux cleaned = 0.000353454 Jy ! Component: 200 - total flux cleaned = 0.000374247 Jy ! Total flux subtracted in 200 components = 0.000374247 Jy ! Clean residual min=-0.001243 max=0.001528 Jy/beam ! Clean residual mean=0.000002 rms=0.000329 Jy/beam ! Combined flux in latest and established models = 0.094303 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 119 components and 0.094303 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058480Jy sigma=0.801417 ! Fit after self-cal, rms=0.058502Jy sigma=0.801156 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, -52.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000469202 Jy ! Component: 100 - total flux cleaned = 0.000465277 Jy ! Component: 150 - total flux cleaned = 0.000574349 Jy ! Component: 200 - total flux cleaned = 0.000665833 Jy ! Total flux subtracted in 200 components = 0.000665833 Jy ! Clean residual min=-0.001134 max=0.001382 Jy/beam ! Clean residual mean=0.000002 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.0949689 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 137 components and 0.0949689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058458Jy sigma=0.800355 ! Fit after self-cal, rms=0.058452Jy sigma=0.800247 ! Inverting map ! Added new window around map position (-31.5, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00102902 Jy ! Component: 100 - total flux cleaned = 0.00127853 Jy ! Component: 150 - total flux cleaned = 0.00142359 Jy ! Component: 200 - total flux cleaned = 0.00160152 Jy ! Total flux subtracted in 200 components = 0.00160152 Jy ! Clean residual min=-0.001112 max=0.001246 Jy/beam ! Clean residual mean=0.000002 rms=0.000303 Jy/beam ! Combined flux in latest and established models = 0.0965704 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 147 components and 0.0965704 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058414Jy sigma=0.799727 ! Fit after self-cal, rms=0.058407Jy sigma=0.799664 ! 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=0.058407Jy sigma=0.799664 ! Fit after self-cal, rms=0.058027Jy sigma=0.799565 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.123 mas, bmaj=11.14 mas, bpa=-6.905 degrees ! Estimated noise=0.511508 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000643627 Jy ! Component: 100 - total flux cleaned = 0.000889688 Jy ! Component: 150 - total flux cleaned = 0.0010207 Jy ! Component: 200 - total flux cleaned = 0.00107869 Jy ! Total flux subtracted in 200 components = 0.00107869 Jy ! Clean residual min=-0.001039 max=0.001378 Jy/beam ! Clean residual mean=0.000003 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.0976491 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 166 components and 0.0976491 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058021Jy sigma=0.799529 ! Fit after self-cal, rms=0.058015Jy sigma=0.799498 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 (1, 20). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000920721 Jy ! Component: 100 - total flux cleaned = 0.00101494 Jy ! Component: 150 - total flux cleaned = 0.00106693 Jy ! Component: 200 - total flux cleaned = 0.00109081 Jy ! Total flux subtracted in 200 components = 0.00109081 Jy ! Clean residual min=-0.000904 max=0.000906 Jy/beam ! Clean residual mean=0.000002 rms=0.000248 Jy/beam ! Combined flux in latest and established models = 0.0987399 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 197 components and 0.0987399 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057992Jy sigma=0.799151 ! Fit after self-cal, rms=0.058000Jy sigma=0.799071 ! 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=3.229 mas, bmaj=8.4 mas, bpa=1.062 degrees ! Estimated noise=0.431603 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.229 x 8.4 at 1.062 degrees (North through East) ! Clean map min=-0.0011992 max=0.050396 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=2.62 mas, bmaj=7.322 mas, bpa=2.159 degrees ! Estimated noise=0.629584 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0349469 Jy ! Component: 100 - total flux cleaned = 0.0499873 Jy ! Component: 150 - total flux cleaned = 0.0599205 Jy ! Component: 200 - total flux cleaned = 0.0670339 Jy ! Total flux subtracted in 200 components = 0.0670339 Jy ! Clean residual min=-0.003009 max=0.004061 Jy/beam ! Clean residual mean=0.000008 rms=0.000696 Jy/beam ! Combined flux in latest and established models = 0.0670339 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0670339 Jy ! Inverting map and beam ! Estimated beam: bmin=3.229 mas, bmaj=8.4 mas, bpa=1.062 degrees ! Estimated noise=0.431603 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 = 0.00854091 Jy ! Component: 100 - total flux cleaned = 0.0141152 Jy ! Component: 150 - total flux cleaned = 0.0179431 Jy ! Component: 200 - total flux cleaned = 0.0206808 Jy ! Total flux subtracted in 200 components = 0.0206808 Jy ! Clean residual min=-0.001719 max=0.001843 Jy/beam ! Clean residual mean=0.000008 rms=0.000434 Jy/beam ! Combined flux in latest and established models = 0.0877147 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 88 components and 0.0877147 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=7.123 mas, bmaj=11.14 mas, bpa=-6.905 degrees ! Estimated noise=0.511508 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00315836 Jy ! Component: 100 - total flux cleaned = 0.0051711 Jy ! Component: 150 - total flux cleaned = 0.00635153 Jy ! Component: 200 - total flux cleaned = 0.0073084 Jy ! Total flux subtracted in 200 components = 0.0073084 Jy ! Clean residual min=-0.001223 max=0.001227 Jy/beam ! Clean residual mean=0.000006 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.0950231 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 = 0.000419965 Jy ! Component: 100 - total flux cleaned = 0.000782951 Jy ! Component: 150 - total flux cleaned = 0.00107443 Jy ! Component: 200 - total flux cleaned = 0.00125216 Jy ! Total flux subtracted in 200 components = 0.00125216 Jy ! Clean residual min=-0.001115 max=0.001068 Jy/beam ! Clean residual mean=0.000004 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.0962753 Jy ! Adding 89 model components to the UV plane model. ! The established model now contains 169 components and 0.0962753 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.229 mas, bmaj=8.4 mas, bpa=1.062 degrees ! Estimated noise=0.431603 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000208945 Jy ! Component: 100 - total flux cleaned = -0.000210978 Jy ! Component: 150 - total flux cleaned = -0.000210134 Jy ! Component: 200 - total flux cleaned = -0.000210549 Jy ! Total flux subtracted in 200 components = -0.000210549 Jy ! Clean residual min=-0.001199 max=0.001097 Jy/beam ! Clean residual mean=0.000002 rms=0.000293 Jy/beam ! Combined flux in latest and established models = 0.0960648 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 192 components and 0.0960647 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058039Jy sigma=0.799652 ! Fit after self-cal, rms=0.058026Jy sigma=0.799422 wmodel J1936+2357_S_map.mod ! Writing 192 model components to file: J1936+2357_S_map.mod wobs J1936+2357_S_uvs.fits ! Writing UV FITS file: J1936+2357_S_uvs.fits wwins J1936+2357_S_map.win ! wwins: Wrote 5 windows to J1936+2357_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 = -8.98874e-05 Jy ! Component: 100 - total flux cleaned = 2.88077e-05 Jy ! Component: 150 - total flux cleaned = 0.000180925 Jy ! Component: 200 - total flux cleaned = 0.000384558 Jy ! Component: 250 - total flux cleaned = 0.00052926 Jy ! Component: 300 - total flux cleaned = 0.000617643 Jy ! Component: 350 - total flux cleaned = 0.000721592 Jy ! Component: 400 - total flux cleaned = 0.000772357 Jy ! Component: 450 - total flux cleaned = 0.000822653 Jy ! Component: 500 - total flux cleaned = 0.000888522 Jy ! Component: 550 - total flux cleaned = 0.000921124 Jy ! Component: 600 - total flux cleaned = 0.000937565 Jy ! Component: 650 - total flux cleaned = 0.000953464 Jy ! Component: 700 - total flux cleaned = 0.00101535 Jy ! Component: 750 - total flux cleaned = 0.000984487 Jy ! Component: 800 - total flux cleaned = 0.000984715 Jy ! Component: 850 - total flux cleaned = 0.00104484 Jy ! Component: 900 - total flux cleaned = 0.00103037 Jy ! Component: 950 - total flux cleaned = 0.00105997 Jy ! Component: 1000 - total flux cleaned = 0.00110345 Jy ! Component: 1050 - total flux cleaned = 0.00114617 Jy ! Component: 1100 - total flux cleaned = 0.00113188 Jy ! Component: 1150 - total flux cleaned = 0.00107573 Jy ! Component: 1200 - total flux cleaned = 0.00114517 Jy ! Component: 1250 - total flux cleaned = 0.00111769 Jy ! Component: 1300 - total flux cleaned = 0.00117214 Jy ! Component: 1350 - total flux cleaned = 0.00117222 Jy ! Component: 1400 - total flux cleaned = 0.00113195 Jy ! Component: 1450 - total flux cleaned = 0.0011057 Jy ! Component: 1500 - total flux cleaned = 0.00117153 Jy ! Component: 1550 - total flux cleaned = 0.00117133 Jy ! Component: 1600 - total flux cleaned = 0.00117127 Jy ! Component: 1650 - total flux cleaned = 0.00110708 Jy ! Component: 1700 - total flux cleaned = 0.00113262 Jy ! Component: 1750 - total flux cleaned = 0.00119569 Jy ! Component: 1800 - total flux cleaned = 0.00118325 Jy ! Component: 1850 - total flux cleaned = 0.00118341 Jy ! Component: 1900 - total flux cleaned = 0.00118349 Jy ! Component: 1950 - total flux cleaned = 0.00117123 Jy ! Component: 2000 - total flux cleaned = 0.00121978 Jy ! Component: 2050 - total flux cleaned = 0.00123169 Jy ! Component: 2100 - total flux cleaned = 0.00120752 Jy ! Component: 2150 - total flux cleaned = 0.00112414 Jy ! Component: 2200 - total flux cleaned = 0.00108872 Jy ! Component: 2250 - total flux cleaned = 0.00114747 Jy ! Component: 2300 - total flux cleaned = 0.001089 Jy ! Component: 2350 - total flux cleaned = 0.00110062 Jy ! Component: 2400 - total flux cleaned = 0.00108911 Jy ! Component: 2450 - total flux cleaned = 0.00107769 Jy ! Component: 2500 - total flux cleaned = 0.00106635 Jy ! Component: 2550 - total flux cleaned = 0.00111157 Jy ! Component: 2600 - total flux cleaned = 0.00118997 Jy ! Component: 2650 - total flux cleaned = 0.00114525 Jy ! Component: 2700 - total flux cleaned = 0.00116751 Jy ! Component: 2750 - total flux cleaned = 0.00122255 Jy ! Component: 2800 - total flux cleaned = 0.00127737 Jy ! Component: 2850 - total flux cleaned = 0.00123373 Jy ! Component: 2900 - total flux cleaned = 0.00126618 Jy ! Component: 2950 - total flux cleaned = 0.00125532 Jy ! Component: 3000 - total flux cleaned = 0.00128754 Jy ! Component: 3050 - total flux cleaned = 0.00131953 Jy ! Component: 3100 - total flux cleaned = 0.00135128 Jy ! Component: 3150 - total flux cleaned = 0.00135124 Jy ! Component: 3200 - total flux cleaned = 0.0013825 Jy ! Component: 3250 - total flux cleaned = 0.0013305 Jy ! Component: 3300 - total flux cleaned = 0.00134086 Jy ! Component: 3350 - total flux cleaned = 0.00130995 Jy ! Component: 3400 - total flux cleaned = 0.00134072 Jy ! Component: 3450 - total flux cleaned = 0.00134077 Jy ! Component: 3500 - total flux cleaned = 0.00136106 Jy ! Component: 3550 - total flux cleaned = 0.00131075 Jy ! Component: 3600 - total flux cleaned = 0.0013107 Jy ! Component: 3650 - total flux cleaned = 0.0013307 Jy ! Component: 3700 - total flux cleaned = 0.00137044 Jy ! Component: 3750 - total flux cleaned = 0.00137042 Jy ! Component: 3800 - total flux cleaned = 0.00137039 Jy ! Component: 3850 - total flux cleaned = 0.00138017 Jy ! Component: 3900 - total flux cleaned = 0.00135097 Jy ! Component: 3950 - total flux cleaned = 0.00144798 Jy ! Component: 4000 - total flux cleaned = 0.00140932 Jy ! Component: 4050 - total flux cleaned = 0.00144775 Jy ! Total flux subtracted in 4096 components = 0.00145733 Jy ! Clean residual min=-0.000525 max=0.000552 Jy/beam ! Clean residual mean=0.000001 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.0975221 Jy keep ! Adding 316 model components to the UV plane model. ! The established model now contains 508 components and 0.0975221 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1936+2357_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.229 x 8.4 at 1.062 degrees (North through East) ! Clean map min=-0.0011489 max=0.0508 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1936+2357_S_map.fits wmodel /vlbi/bp222/maps//J1936+2357_S_map.mod ! Writing 508 model components to file: /vlbi/bp222/maps//J1936+2357_S_map.mod wobs /vlbi/bp222/maps//J1936+2357_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1936+2357_S_uvs.fits wwins /vlbi/bp222/maps//J1936+2357_S_map.win ! wwins: Wrote 6 windows to /vlbi/bp222/maps//J1936+2357_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0508001 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000180223 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.06431 1.06431 2.12861 4.25723 8.51445 17.0289 34.0578 68.1156 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.05 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 281.873 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1936+2357_S_dfm.log closed on Thu Sep 27 11:32:34 2018