! Started logfile: /vlbi/uf001/uva//J1756+5748_S_dfm.log on Mon Jan 14 04:26:37 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/uf001/uva//J1756+5748_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1756+5748_S_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.860792 visibilities/baseline/integration-bin. ! Found source: J1756+5748 ! ! There are 3 IFs, and a total of 3 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 ! ! Polarization(s): RR ! ! Read 44 lines of history. ! ! Reading 10110 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 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 J1756+5748_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 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.159698Jy sigma=20.711597 ! Fit after self-cal, rms=0.529124Jy sigma=10.812241 ! 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=2.894 mas, bmaj=4.274 mas, bpa=-11.22 degrees ! Estimated noise=0.618348 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 = 0.373153 Jy ! Component: 100 - total flux cleaned = 0.5304 Jy ! Total flux subtracted in 100 components = 0.5304 Jy ! Clean residual min=-0.027609 max=0.073921 Jy/beam ! Clean residual mean=-0.000019 rms=0.007601 Jy/beam ! Combined flux in latest and established models = 0.5304 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.5304 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.205085Jy sigma=3.068017 ! Fit after self-cal, rms=0.203713Jy sigma=3.038216 ! Inverting map ! Added new window around map position (-3, -0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0841004 Jy ! Component: 100 - total flux cleaned = 0.12949 Jy ! Total flux subtracted in 100 components = 0.12949 Jy ! Clean residual min=-0.014626 max=0.049513 Jy/beam ! Clean residual mean=-0.000019 rms=0.004390 Jy/beam ! Combined flux in latest and established models = 0.659891 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 20 components and 0.659891 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.144685Jy sigma=2.058915 ! Fit after self-cal, rms=0.144239Jy sigma=2.048325 ! Inverting map ! Added new window around map position (-10.5, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0438626 Jy ! Component: 100 - total flux cleaned = 0.0704229 Jy ! Total flux subtracted in 100 components = 0.0704229 Jy ! Clean residual min=-0.010752 max=0.015685 Jy/beam ! Clean residual mean=-0.000007 rms=0.002837 Jy/beam ! Combined flux in latest and established models = 0.730314 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 31 components and 0.730314 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.121670Jy sigma=1.648835 ! Fit after self-cal, rms=0.120963Jy sigma=1.632411 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.021161 Jy ! Component: 100 - total flux cleaned = 0.0364755 Jy ! Total flux subtracted in 100 components = 0.0364755 Jy ! Clean residual min=-0.008579 max=0.011710 Jy/beam ! Clean residual mean=-0.000002 rms=0.002262 Jy/beam ! Combined flux in latest and established models = 0.766789 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 41 components and 0.766789 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.113321Jy sigma=1.512260 ! Fit after self-cal, rms=0.113200Jy sigma=1.509521 ! 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=3.545 mas, bmaj=4.925 mas, bpa=-11.05 degrees ! Estimated noise=0.399209 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 (-7.5, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0185666 Jy ! Component: 100 - total flux cleaned = 0.0310012 Jy ! Component: 150 - total flux cleaned = 0.0399072 Jy ! Component: 200 - total flux cleaned = 0.0464217 Jy ! Total flux subtracted in 200 components = 0.0464217 Jy ! Clean residual min=-0.009038 max=0.010442 Jy/beam ! Clean residual mean=0.000007 rms=0.002325 Jy/beam ! Combined flux in latest and established models = 0.813211 Jy ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 80 components and 0.813211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.107724Jy sigma=1.439773 ! Fit after self-cal, rms=0.107573Jy sigma=1.436671 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.545 x 4.925 at -11.05 degrees (North through East) ! Clean map min=-0.0085339 max=0.4723 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.91 HN 1.03 KP 1.04 ! LA 0.98 MK 0.99 NL 1.04 OV 1.01 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.93 HN 1.03 KP 1.03 ! LA 0.97 MK 0.98 NL 1.03 OV 0.98 ! PT 0.99 SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 1.03 KP 1.02 ! LA 0.96 MK 0.98 NL 1.03 OV 1.00 ! PT 0.99 SC 1.00 ! ! ! Fit before self-cal, rms=0.107573Jy sigma=1.436671 ! Fit after self-cal, rms=0.096960Jy sigma=1.350224 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.543 mas, bmaj=4.937 mas, bpa=-11.03 degrees ! Estimated noise=0.398825 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 = -0.00424686 Jy ! Component: 100 - total flux cleaned = -0.00482938 Jy ! Component: 150 - total flux cleaned = -0.00518983 Jy ! Component: 200 - total flux cleaned = -0.00549746 Jy ! Total flux subtracted in 200 components = -0.00549746 Jy ! Clean residual min=-0.006347 max=0.007619 Jy/beam ! Clean residual mean=0.000032 rms=0.001820 Jy/beam ! Combined flux in latest and established models = 0.807714 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 99 components and 0.807713 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.096135Jy sigma=1.346187 ! Fit after self-cal, rms=0.096105Jy sigma=1.345463 ! 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. ! ! Fit before self-cal, rms=0.096105Jy sigma=1.345463 ! Fit after self-cal, rms=0.061752Jy sigma=1.083967 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.545 mas, bmaj=4.927 mas, bpa=-11.35 degrees ! Estimated noise=0.397624 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00215546 Jy ! Component: 100 - total flux cleaned = -0.00230148 Jy ! Component: 150 - total flux cleaned = -0.00219931 Jy ! Component: 200 - total flux cleaned = -0.00201165 Jy ! Total flux subtracted in 200 components = -0.00201165 Jy ! Clean residual min=-0.002272 max=0.002704 Jy/beam ! Clean residual mean=0.000007 rms=0.000546 Jy/beam ! Combined flux in latest and established models = 0.805702 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 118 components and 0.805702 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061603Jy sigma=1.081506 ! Fit after self-cal, rms=0.061593Jy sigma=1.081242 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 (73.5, 127). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00177794 Jy ! Component: 100 - total flux cleaned = 0.00184327 Jy ! Component: 150 - total flux cleaned = 0.00193012 Jy ! Component: 200 - total flux cleaned = 0.00204482 Jy ! Total flux subtracted in 200 components = 0.00204482 Jy ! Clean residual min=-0.002161 max=0.002134 Jy/beam ! Clean residual mean=0.000007 rms=0.000496 Jy/beam ! Combined flux in latest and established models = 0.807747 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 130 components and 0.807747 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061491Jy sigma=1.079145 ! Fit after self-cal, rms=0.061479Jy sigma=1.078979 ! Inverting map ! Added new window around map position (10.5, 2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105838 Jy ! Component: 100 - total flux cleaned = 0.00116095 Jy ! Component: 150 - total flux cleaned = 0.00111678 Jy ! Component: 200 - total flux cleaned = 0.00115469 Jy ! Total flux subtracted in 200 components = 0.00115469 Jy ! Clean residual min=-0.001838 max=0.001676 Jy/beam ! Clean residual mean=0.000007 rms=0.000447 Jy/beam ! Combined flux in latest and established models = 0.808901 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 149 components and 0.808901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061399Jy sigma=1.077110 ! Fit after self-cal, rms=0.061393Jy sigma=1.077037 ! 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. ! ! Fit before self-cal, rms=0.061393Jy sigma=1.077037 ! Fit after self-cal, rms=0.061277Jy sigma=1.076643 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.539 mas, bmaj=4.926 mas, bpa=-11.09 degrees ! Estimated noise=0.396937 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000279282 Jy ! Component: 100 - total flux cleaned = -9.10021e-05 Jy ! Component: 150 - total flux cleaned = 4.35139e-05 Jy ! Component: 200 - total flux cleaned = 0.000134607 Jy ! Total flux subtracted in 200 components = 0.000134607 Jy ! Clean residual min=-0.001826 max=0.001643 Jy/beam ! Clean residual mean=0.000006 rms=0.000416 Jy/beam ! Combined flux in latest and established models = 0.809036 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 158 components and 0.809036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061237Jy sigma=1.075851 ! Fit after self-cal, rms=0.061236Jy sigma=1.075826 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 = 8.64312e-05 Jy ! Component: 100 - total flux cleaned = 0.000141531 Jy ! Component: 150 - total flux cleaned = 0.000217886 Jy ! Component: 200 - total flux cleaned = 0.000241496 Jy ! Total flux subtracted in 200 components = 0.000241496 Jy ! Clean residual min=-0.001765 max=0.001624 Jy/beam ! Clean residual mean=0.000006 rms=0.000404 Jy/beam ! Combined flux in latest and established models = 0.809278 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 165 components and 0.809278 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061217Jy sigma=1.075411 ! Fit after self-cal, rms=0.061216Jy sigma=1.075394 ! 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. ! ! Fit before self-cal, rms=0.061216Jy sigma=1.075394 ! Fit after self-cal, rms=0.061173Jy sigma=1.075317 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.863 mas, bmaj=8.429 mas, bpa=-4.559 degrees ! Estimated noise=0.543539 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000166024 Jy ! Component: 100 - total flux cleaned = 0.000237928 Jy ! Component: 150 - total flux cleaned = 0.000296322 Jy ! Component: 200 - total flux cleaned = 0.000264101 Jy ! Total flux subtracted in 200 components = 0.000264101 Jy ! Clean residual min=-0.001656 max=0.001727 Jy/beam ! Clean residual mean=0.000013 rms=0.000466 Jy/beam ! Combined flux in latest and established models = 0.809542 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 177 components and 0.809542 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061163Jy sigma=1.075164 ! Fit after self-cal, rms=0.061163Jy sigma=1.075147 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 = 1.54515e-05 Jy ! Component: 100 - total flux cleaned = 5.83455e-07 Jy ! Component: 150 - total flux cleaned = -1.17234e-05 Jy ! Component: 200 - total flux cleaned = -1.16032e-05 Jy ! Total flux subtracted in 200 components = -1.16032e-05 Jy ! Clean residual min=-0.001618 max=0.001756 Jy/beam ! Clean residual mean=0.000013 rms=0.000459 Jy/beam ! Combined flux in latest and established models = 0.80953 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 189 components and 0.80953 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061160Jy sigma=1.075080 ! Fit after self-cal, rms=0.061160Jy sigma=1.075072 ! 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=3.536 mas, bmaj=4.926 mas, bpa=-11 degrees ! Estimated noise=0.396617 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.536 x 4.926 at -11 degrees (North through East) ! Clean map min=-0.0017509 max=0.46964 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=2.892 mas, bmaj=4.271 mas, bpa=-11.54 degrees ! Estimated noise=0.616239 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.373612 Jy ! Component: 100 - total flux cleaned = 0.531382 Jy ! Component: 150 - total flux cleaned = 0.614661 Jy ! Component: 200 - total flux cleaned = 0.667776 Jy ! Total flux subtracted in 200 components = 0.667776 Jy ! Clean residual min=-0.012191 max=0.028605 Jy/beam ! Clean residual mean=-0.000011 rms=0.003453 Jy/beam ! Combined flux in latest and established models = 0.667776 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.667776 Jy ! Inverting map and beam ! Estimated beam: bmin=3.536 mas, bmaj=4.926 mas, bpa=-11 degrees ! Estimated noise=0.396617 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 = 0.0478538 Jy ! Component: 100 - total flux cleaned = 0.0783373 Jy ! Component: 150 - total flux cleaned = 0.0983803 Jy ! Component: 200 - total flux cleaned = 0.111698 Jy ! Total flux subtracted in 200 components = 0.111698 Jy ! Clean residual min=-0.003160 max=0.008843 Jy/beam ! Clean residual mean=0.000002 rms=0.001026 Jy/beam ! Combined flux in latest and established models = 0.779474 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 44 components and 0.779474 Jy ! Inverting map ! Added new window around map position (4, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00951273 Jy ! Component: 100 - total flux cleaned = 0.0159227 Jy ! Component: 150 - total flux cleaned = 0.0204917 Jy ! Component: 200 - total flux cleaned = 0.0238763 Jy ! Total flux subtracted in 200 components = 0.0238763 Jy ! Clean residual min=-0.001810 max=0.002161 Jy/beam ! Clean residual mean=0.000005 rms=0.000515 Jy/beam ! Combined flux in latest and established models = 0.80335 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 72 components and 0.80335 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=7.863 mas, bmaj=8.429 mas, bpa=-4.559 degrees ! Estimated noise=0.543539 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0036137 Jy ! Component: 100 - total flux cleaned = 0.00564462 Jy ! Component: 150 - total flux cleaned = 0.00581716 Jy ! Component: 200 - total flux cleaned = 0.00591538 Jy ! Total flux subtracted in 200 components = 0.00591538 Jy ! Clean residual min=-0.001683 max=0.001893 Jy/beam ! Clean residual mean=0.000013 rms=0.000492 Jy/beam ! Combined flux in latest and established models = 0.809266 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 = 0.000125696 Jy ! Component: 100 - total flux cleaned = 0.000232927 Jy ! Component: 150 - total flux cleaned = 0.000326576 Jy ! Component: 200 - total flux cleaned = 0.000409242 Jy ! Total flux subtracted in 200 components = 0.000409242 Jy ! Clean residual min=-0.001609 max=0.001865 Jy/beam ! Clean residual mean=0.000014 rms=0.000470 Jy/beam ! Combined flux in latest and established models = 0.809675 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 130 components and 0.809675 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.536 mas, bmaj=4.926 mas, bpa=-11 degrees ! Estimated noise=0.396617 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00031391 Jy ! Component: 100 - total flux cleaned = -2.52327e-06 Jy ! Component: 150 - total flux cleaned = 0.000133318 Jy ! Component: 200 - total flux cleaned = 0.000295595 Jy ! Total flux subtracted in 200 components = 0.000295595 Jy ! Clean residual min=-0.001731 max=0.001909 Jy/beam ! Clean residual mean=0.000006 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.809971 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 158 components and 0.809971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.061207Jy sigma=1.076200 ! Fit after self-cal, rms=0.061191Jy sigma=1.075725 wmodel J1756+5748_S_map.mod ! Writing 158 model components to file: J1756+5748_S_map.mod wobs J1756+5748_S_uvs.fits ! Writing UV FITS file: J1756+5748_S_uvs.fits wwins J1756+5748_S_map.win ! wwins: Wrote 7 windows to J1756+5748_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 = -5.22314e-05 Jy ! Component: 100 - total flux cleaned = -0.000247018 Jy ! Component: 150 - total flux cleaned = -0.00030052 Jy ! Component: 200 - total flux cleaned = -0.000224875 Jy ! Component: 250 - total flux cleaned = -0.000249157 Jy ! Component: 300 - total flux cleaned = -0.000200975 Jy ! Component: 350 - total flux cleaned = -0.000154206 Jy ! Component: 400 - total flux cleaned = -0.000108537 Jy ! Component: 450 - total flux cleaned = 2.55342e-06 Jy ! Component: 500 - total flux cleaned = 4.62109e-05 Jy ! Component: 550 - total flux cleaned = 0.0002172 Jy ! Component: 600 - total flux cleaned = 0.000280247 Jy ! Component: 650 - total flux cleaned = 0.000383457 Jy ! Component: 700 - total flux cleaned = 0.000444191 Jy ! Component: 750 - total flux cleaned = 0.000524112 Jy ! Component: 800 - total flux cleaned = 0.000583046 Jy ! Component: 850 - total flux cleaned = 0.000602476 Jy ! Component: 900 - total flux cleaned = 0.000697998 Jy ! Component: 950 - total flux cleaned = 0.000735551 Jy ! Component: 1000 - total flux cleaned = 0.00075463 Jy ! Component: 1050 - total flux cleaned = 0.000772793 Jy ! Component: 1100 - total flux cleaned = 0.000791053 Jy ! Component: 1150 - total flux cleaned = 0.000826904 Jy ! Component: 1200 - total flux cleaned = 0.000844521 Jy ! Component: 1250 - total flux cleaned = 0.000879334 Jy ! Component: 1300 - total flux cleaned = 0.000896788 Jy ! Component: 1350 - total flux cleaned = 0.000930801 Jy ! Component: 1400 - total flux cleaned = 0.000896892 Jy ! Component: 1450 - total flux cleaned = 0.000830525 Jy ! Component: 1500 - total flux cleaned = 0.000879931 Jy ! Component: 1550 - total flux cleaned = 0.000847281 Jy ! Component: 1600 - total flux cleaned = 0.00086349 Jy ! Component: 1650 - total flux cleaned = 0.000783776 Jy ! Component: 1700 - total flux cleaned = 0.000815621 Jy ! Component: 1750 - total flux cleaned = 0.000800014 Jy ! Component: 1800 - total flux cleaned = 0.000707309 Jy ! Component: 1850 - total flux cleaned = 0.000738036 Jy ! Component: 1900 - total flux cleaned = 0.000677316 Jy ! Component: 1950 - total flux cleaned = 0.000617084 Jy ! Component: 2000 - total flux cleaned = 0.000616676 Jy ! Component: 2050 - total flux cleaned = 0.000483956 Jy ! Component: 2100 - total flux cleaned = 0.000469331 Jy ! Component: 2150 - total flux cleaned = 0.000411459 Jy ! Component: 2200 - total flux cleaned = 0.000382464 Jy ! Component: 2250 - total flux cleaned = 0.000325274 Jy ! Component: 2300 - total flux cleaned = 0.00021224 Jy ! Component: 2350 - total flux cleaned = 0.000156346 Jy ! Component: 2400 - total flux cleaned = 7.30373e-05 Jy ! Component: 2450 - total flux cleaned = 4.55241e-05 Jy ! Component: 2500 - total flux cleaned = 1.80733e-05 Jy ! Component: 2550 - total flux cleaned = -0.000104094 Jy ! Component: 2600 - total flux cleaned = -0.000171374 Jy ! Component: 2650 - total flux cleaned = -0.000211429 Jy ! Component: 2700 - total flux cleaned = -0.000264458 Jy ! Component: 2750 - total flux cleaned = -0.000264472 Jy ! Component: 2800 - total flux cleaned = -0.000382027 Jy ! Component: 2850 - total flux cleaned = -0.000408067 Jy ! Component: 2900 - total flux cleaned = -0.000485374 Jy ! Component: 2950 - total flux cleaned = -0.000549175 Jy ! Component: 3000 - total flux cleaned = -0.000511048 Jy ! Component: 3050 - total flux cleaned = -0.000574129 Jy ! Component: 3100 - total flux cleaned = -0.000624105 Jy ! Component: 3150 - total flux cleaned = -0.000698748 Jy ! Component: 3200 - total flux cleaned = -0.000748135 Jy ! Component: 3250 - total flux cleaned = -0.000797417 Jy ! Component: 3300 - total flux cleaned = -0.000846113 Jy ! Component: 3350 - total flux cleaned = -0.000894289 Jy ! Component: 3400 - total flux cleaned = -0.000894258 Jy ! Component: 3450 - total flux cleaned = -0.000953871 Jy ! Component: 3500 - total flux cleaned = -0.000989317 Jy ! Component: 3550 - total flux cleaned = -0.00108338 Jy ! Component: 3600 - total flux cleaned = -0.00108329 Jy ! Component: 3650 - total flux cleaned = -0.00117636 Jy ! Component: 3700 - total flux cleaned = -0.00124572 Jy ! Component: 3750 - total flux cleaned = -0.0012687 Jy ! Component: 3800 - total flux cleaned = -0.00131435 Jy ! Component: 3850 - total flux cleaned = -0.00133707 Jy ! Component: 3900 - total flux cleaned = -0.00141605 Jy ! Component: 3950 - total flux cleaned = -0.00148341 Jy ! Component: 4000 - total flux cleaned = -0.00149447 Jy ! Component: 4050 - total flux cleaned = -0.00152781 Jy ! Total flux subtracted in 4096 components = -0.00158288 Jy ! Clean residual min=-0.000675 max=0.000656 Jy/beam ! Clean residual mean=0.000003 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.808388 Jy keep ! Adding 301 model components to the UV plane model. ! The established model now contains 459 components and 0.808388 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1756+5748_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.536 x 4.926 at -11 degrees (North through East) ! Clean map min=-0.0012212 max=0.46898 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1756+5748_S_map.fits wmodel /vlbi/uf001/uva//J1756+5748_S_map.mod ! Writing 459 model components to file: /vlbi/uf001/uva//J1756+5748_S_map.mod wobs /vlbi/uf001/uva//J1756+5748_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1756+5748_S_uvs.fits wwins /vlbi/uf001/uva//J1756+5748_S_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J1756+5748_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.468976 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000195873 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.125299 0.125299 0.250597 0.501194 1.00239 2.00478 4.00955 8.01911 16.0382 32.0764 64.1529 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.468 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2394.28 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1756+5748_S_dfm.log closed on Mon Jan 14 04:26:42 2019