! Started logfile: /vlbi/uf001/uvm//J1753+2848_S_a_dfm.log on Sun Jan 13 22:10:35 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/uvm//J1753+2848_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1753+2848_S_a_uvm.fits ! AN table 1: 64 integrations on 45 of 45 possible baselines. ! AN table 2: 9 integrations on 6 of 6 possible baselines. ! Apparent sampling: 0.720518 visibilities/baseline/integration-bin. ! Found source: J1753+2848 ! ! 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 6342 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 J1753+2848_S_a] 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 119 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 119 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 119 telescope corrections were flagged in sub-array 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.621692Jy sigma=21.058076 ! Fit after self-cal, rms=0.321945Jy sigma=3.782921 ! 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=2.638 mas, bmaj=5.459 mas, bpa=-5.746 degrees ! Estimated noise=0.896344 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 = 0.933611 Jy ! Component: 100 - total flux cleaned = 1.14588 Jy ! Total flux subtracted in 100 components = 1.14588 Jy ! Clean residual min=-0.020438 max=0.077294 Jy/beam ! Clean residual mean=0.000010 rms=0.004292 Jy/beam ! Combined flux in latest and established models = 1.14588 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.14588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.221784Jy sigma=2.483026 ! Fit after self-cal, rms=0.221777Jy sigma=2.482975 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0804803 Jy ! Component: 100 - total flux cleaned = 0.120661 Jy ! Total flux subtracted in 100 components = 0.120661 Jy ! Clean residual min=-0.013817 max=0.019137 Jy/beam ! Clean residual mean=0.000008 rms=0.002971 Jy/beam ! Combined flux in latest and established models = 1.26655 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 11 components and 1.26655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.172511Jy sigma=1.884445 ! Fit after self-cal, rms=0.172492Jy sigma=1.884244 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0226445 Jy ! Component: 100 - total flux cleaned = 0.0365608 Jy ! Total flux subtracted in 100 components = 0.0365608 Jy ! Clean residual min=-0.012306 max=0.016501 Jy/beam ! Clean residual mean=0.000008 rms=0.002848 Jy/beam ! Combined flux in latest and established models = 1.30311 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 21 components and 1.30311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.165582Jy sigma=1.818581 ! Fit after self-cal, rms=0.165571Jy sigma=1.818457 ! 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=3.321 mas, bmaj=6.683 mas, bpa=-5.51 degrees ! Estimated noise=0.70267 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 (6, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0241825 Jy ! Component: 100 - total flux cleaned = 0.0402866 Jy ! Component: 150 - total flux cleaned = 0.0522624 Jy ! Component: 200 - total flux cleaned = 0.0612505 Jy ! Total flux subtracted in 200 components = 0.0612505 Jy ! Clean residual min=-0.011566 max=0.015616 Jy/beam ! Clean residual mean=0.000009 rms=0.002974 Jy/beam ! Combined flux in latest and established models = 1.36436 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 50 components and 1.36436 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.160152Jy sigma=1.762771 ! Fit after self-cal, rms=0.159889Jy sigma=1.758461 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.321 x 6.683 at -5.51 degrees (North through East) ! Clean map min=-0.01112 max=1.2318 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 0.98 KP 1.01 ! LA 0.96 MK 0.99 NL 1.01 OV 1.00 ! PT 0.98 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.73 HN 1.02 NL 1.12 SC 1.08 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 0.99 KP 1.01 ! LA 0.97 MK 1.01 NL 1.03 OV 1.05 ! PT 0.97 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 HN 1.03 NL 0.88 SC 1.07 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 1.00 KP 1.01 ! LA 0.96 MK 1.04 NL 1.05 OV 1.01 ! PT 0.99 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.62 HN 1.03 NL 1.15 SC 1.09 ! ! ! Fit before self-cal, rms=0.159889Jy sigma=1.758461 ! Fit after self-cal, rms=0.148431Jy sigma=1.629749 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.342 mas, bmaj=6.734 mas, bpa=-5.77 degrees ! Estimated noise=0.705849 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 = 0.000419038 Jy ! Component: 100 - total flux cleaned = -0.000155998 Jy ! Component: 150 - total flux cleaned = -0.000919186 Jy ! Component: 200 - total flux cleaned = -0.0016064 Jy ! Total flux subtracted in 200 components = -0.0016064 Jy ! Clean residual min=-0.009309 max=0.009932 Jy/beam ! Clean residual mean=0.000015 rms=0.002399 Jy/beam ! Combined flux in latest and established models = 1.36275 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 69 components and 1.36275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.147983Jy sigma=1.627310 ! Fit after self-cal, rms=0.147963Jy sigma=1.627131 ! 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=0.147963Jy sigma=1.627131 ! Fit after self-cal, rms=0.058117Jy sigma=0.697687 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.341 mas, bmaj=6.731 mas, bpa=-5.679 degrees ! Estimated noise=0.705584 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000584661 Jy ! Component: 100 - total flux cleaned = -0.00177168 Jy ! Component: 150 - total flux cleaned = -0.00232347 Jy ! Component: 200 - total flux cleaned = -0.00247635 Jy ! Total flux subtracted in 200 components = -0.00247635 Jy ! Clean residual min=-0.002746 max=0.003663 Jy/beam ! Clean residual mean=0.000005 rms=0.000588 Jy/beam ! Combined flux in latest and established models = 1.36027 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 80 components and 1.36027 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057643Jy sigma=0.690965 ! Fit after self-cal, rms=0.057602Jy sigma=0.690307 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 (20, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00249066 Jy ! Component: 100 - total flux cleaned = 0.00315476 Jy ! Component: 150 - total flux cleaned = 0.00357474 Jy ! Component: 200 - total flux cleaned = 0.00376271 Jy ! Total flux subtracted in 200 components = 0.00376271 Jy ! Clean residual min=-0.002370 max=0.003064 Jy/beam ! Clean residual mean=0.000006 rms=0.000555 Jy/beam ! Combined flux in latest and established models = 1.36404 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 102 components and 1.36404 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057363Jy sigma=0.687015 ! Fit after self-cal, rms=0.057348Jy sigma=0.686893 ! Inverting map ! Added new window around map position (-8, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00192351 Jy ! Component: 100 - total flux cleaned = 0.00202109 Jy ! Component: 150 - total flux cleaned = 0.00208294 Jy ! Component: 200 - total flux cleaned = 0.002263 Jy ! Total flux subtracted in 200 components = 0.002263 Jy ! Clean residual min=-0.002315 max=0.002697 Jy/beam ! Clean residual mean=0.000006 rms=0.000532 Jy/beam ! Combined flux in latest and established models = 1.3663 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 123 components and 1.3663 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057123Jy sigma=0.683869 ! Fit after self-cal, rms=0.057107Jy sigma=0.683653 ! Inverting map ! Added new window around map position (32.5, 13.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00200568 Jy ! Component: 100 - total flux cleaned = 0.0023394 Jy ! Component: 150 - total flux cleaned = 0.00263967 Jy ! Component: 200 - total flux cleaned = 0.00280618 Jy ! Total flux subtracted in 200 components = 0.00280618 Jy ! Clean residual min=-0.002130 max=0.002246 Jy/beam ! Clean residual mean=0.000006 rms=0.000513 Jy/beam ! Combined flux in latest and established models = 1.36911 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 145 components and 1.36911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056941Jy sigma=0.681581 ! Fit after self-cal, rms=0.056940Jy sigma=0.681486 ! 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=0.056940Jy sigma=0.681486 ! Fit after self-cal, rms=0.056268Jy sigma=0.672773 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.34 mas, bmaj=6.732 mas, bpa=-5.658 degrees ! Estimated noise=0.70522 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000908331 Jy ! Component: 100 - total flux cleaned = -0.00108813 Jy ! Component: 150 - total flux cleaned = -0.00113946 Jy ! Component: 200 - total flux cleaned = -0.00118666 Jy ! Total flux subtracted in 200 components = -0.00118666 Jy ! Clean residual min=-0.002036 max=0.001895 Jy/beam ! Clean residual mean=0.000003 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 1.36792 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 161 components and 1.36792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056161Jy sigma=0.671260 ! Fit after self-cal, rms=0.056153Jy sigma=0.671178 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 = -0.000137324 Jy ! Component: 100 - total flux cleaned = -0.000136489 Jy ! Component: 150 - total flux cleaned = -5.63361e-05 Jy ! Component: 200 - total flux cleaned = -5.59607e-05 Jy ! Total flux subtracted in 200 components = -5.59607e-05 Jy ! Clean residual min=-0.001941 max=0.001920 Jy/beam ! Clean residual mean=0.000003 rms=0.000456 Jy/beam ! Combined flux in latest and established models = 1.36786 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 169 components and 1.36786 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056100Jy sigma=0.670480 ! Fit after self-cal, rms=0.056100Jy sigma=0.670460 ! 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=0.056100Jy sigma=0.670460 ! Fit after self-cal, rms=0.056062Jy sigma=0.670232 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.264 mas, bmaj=9.801 mas, bpa=-5.193 degrees ! Estimated noise=0.91525 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000152017 Jy ! Component: 100 - total flux cleaned = -0.000193 Jy ! Component: 150 - total flux cleaned = -0.000191401 Jy ! Component: 200 - total flux cleaned = -0.00013388 Jy ! Total flux subtracted in 200 components = -0.00013388 Jy ! Clean residual min=-0.001902 max=0.001786 Jy/beam ! Clean residual mean=0.000006 rms=0.000535 Jy/beam ! Combined flux in latest and established models = 1.36773 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 201 components and 1.36773 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056037Jy sigma=0.669938 ! Fit after self-cal, rms=0.056037Jy sigma=0.669917 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 = 5.69313e-05 Jy ! Component: 100 - total flux cleaned = 0.000108399 Jy ! Component: 150 - total flux cleaned = 0.000106974 Jy ! Component: 200 - total flux cleaned = 8.52049e-05 Jy ! Total flux subtracted in 200 components = 8.52049e-05 Jy ! Clean residual min=-0.001910 max=0.001800 Jy/beam ! Clean residual mean=0.000006 rms=0.000531 Jy/beam ! Combined flux in latest and established models = 1.36781 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 211 components and 1.36781 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056025Jy sigma=0.669774 ! Fit after self-cal, rms=0.056025Jy sigma=0.669765 ! 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=3.34 mas, bmaj=6.733 mas, bpa=-5.646 degrees ! Estimated noise=0.705008 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.34 x 6.733 at -5.646 degrees (North through East) ! Clean map min=-0.0018352 max=1.2342 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056025Jy sigma=0.669765 ! Fit after self-cal, rms=0.050244Jy sigma=0.599631 ! Inverting map and beam ! Estimated beam: bmin=3.339 mas, bmaj=6.733 mas, bpa=-5.638 degrees ! Estimated noise=0.704988 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000797851 Jy ! Component: 100 - total flux cleaned = -0.00100309 Jy ! Component: 150 - total flux cleaned = -0.00107517 Jy ! Component: 200 - total flux cleaned = -0.00117561 Jy ! Total flux subtracted in 200 components = -0.00117561 Jy ! Clean residual min=-0.001681 max=0.001801 Jy/beam ! Clean residual mean=0.000003 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 1.36664 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 222 components and 1.36664 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.050191Jy sigma=0.598822 ! Fit after self-cal, rms=0.050185Jy sigma=0.598787 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.01837e-05 Jy ! Component: 100 - total flux cleaned = -4.90472e-05 Jy ! Component: 150 - total flux cleaned = 1.06933e-05 Jy ! Component: 200 - total flux cleaned = 1.04484e-05 Jy ! Total flux subtracted in 200 components = 1.04484e-05 Jy ! Clean residual min=-0.001643 max=0.001792 Jy/beam ! Clean residual mean=0.000003 rms=0.000428 Jy/beam ! Combined flux in latest and established models = 1.36665 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 229 components and 1.36665 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.050153Jy sigma=0.598346 ! Fit after self-cal, rms=0.050152Jy sigma=0.598332 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.050152Jy sigma=0.598332 ! Fit after self-cal, rms=0.050130Jy sigma=0.598239 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=2.649 mas, bmaj=5.476 mas, bpa=-5.755 degrees ! Estimated noise=0.906442 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.941919 Jy ! Component: 100 - total flux cleaned = 1.15434 Jy ! Component: 150 - total flux cleaned = 1.23282 Jy ! Component: 200 - total flux cleaned = 1.27153 Jy ! Total flux subtracted in 200 components = 1.27153 Jy ! Clean residual min=-0.005892 max=0.018015 Jy/beam ! Clean residual mean=0.000005 rms=0.001245 Jy/beam ! Combined flux in latest and established models = 1.27153 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 13 model components to the UV plane model. ! The established model now contains 13 components and 1.27153 Jy ! Inverting map and beam ! Estimated beam: bmin=3.339 mas, bmaj=6.733 mas, bpa=-5.633 degrees ! Estimated noise=0.704846 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 = 0.0308748 Jy ! Component: 100 - total flux cleaned = 0.0477636 Jy ! Component: 150 - total flux cleaned = 0.0582242 Jy ! Component: 200 - total flux cleaned = 0.0651915 Jy ! Total flux subtracted in 200 components = 0.0651915 Jy ! Clean residual min=-0.002617 max=0.003872 Jy/beam ! Clean residual mean=0.000002 rms=0.000663 Jy/beam ! Combined flux in latest and established models = 1.33672 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 48 components and 1.33672 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00519357 Jy ! Component: 100 - total flux cleaned = 0.00950949 Jy ! Component: 150 - total flux cleaned = 0.0131847 Jy ! Component: 200 - total flux cleaned = 0.0163276 Jy ! Total flux subtracted in 200 components = 0.0163276 Jy ! Clean residual min=-0.002166 max=0.002356 Jy/beam ! Clean residual mean=0.000002 rms=0.000514 Jy/beam ! Combined flux in latest and established models = 1.35305 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 72 components and 1.35305 Jy ! Inverting map ! Added new window around map position (14, 8.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00281929 Jy ! Component: 100 - total flux cleaned = 0.00513205 Jy ! Component: 150 - total flux cleaned = 0.0068405 Jy ! Component: 200 - total flux cleaned = 0.00762698 Jy ! Total flux subtracted in 200 components = 0.00762698 Jy ! Clean residual min=-0.001996 max=0.002029 Jy/beam ! Clean residual mean=0.000002 rms=0.000471 Jy/beam ! Combined flux in latest and established models = 1.36067 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 99 components and 1.36067 Jy ! Inverting map ! Added new window around map position (-101, -52). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00139489 Jy ! Component: 100 - total flux cleaned = 0.00189419 Jy ! Component: 150 - total flux cleaned = 0.00223598 Jy ! Component: 200 - total flux cleaned = 0.00269338 Jy ! Total flux subtracted in 200 components = 0.00269338 Jy ! Clean residual min=-0.001933 max=0.001785 Jy/beam ! Clean residual mean=0.000003 rms=0.000456 Jy/beam ! Combined flux in latest and established models = 1.36337 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 113 components and 1.36337 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=7.265 mas, bmaj=9.8 mas, bpa=-5.168 degrees ! Estimated noise=0.915127 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153888 Jy ! Component: 100 - total flux cleaned = 0.0025272 Jy ! Component: 150 - total flux cleaned = 0.00317478 Jy ! Component: 200 - total flux cleaned = 0.00342118 Jy ! Total flux subtracted in 200 components = 0.00342118 Jy ! Clean residual min=-0.001630 max=0.001743 Jy/beam ! Clean residual mean=0.000005 rms=0.000518 Jy/beam ! Combined flux in latest and established models = 1.36679 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 = 0.000185178 Jy ! Component: 100 - total flux cleaned = 0.000252945 Jy ! Component: 150 - total flux cleaned = 0.000286982 Jy ! Component: 200 - total flux cleaned = 0.000348015 Jy ! Total flux subtracted in 200 components = 0.000348015 Jy ! Clean residual min=-0.001613 max=0.001745 Jy/beam ! Clean residual mean=0.000005 rms=0.000509 Jy/beam ! Combined flux in latest and established models = 1.36713 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 174 components and 1.36713 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.339 mas, bmaj=6.733 mas, bpa=-5.633 degrees ! Estimated noise=0.704846 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000793854 Jy ! Component: 100 - total flux cleaned = -0.000737801 Jy ! Component: 150 - total flux cleaned = -0.000576322 Jy ! Component: 200 - total flux cleaned = -0.000524802 Jy ! Total flux subtracted in 200 components = -0.000524802 Jy ! Clean residual min=-0.001801 max=0.001799 Jy/beam ! Clean residual mean=0.000003 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 1.36661 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 187 components and 1.36661 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.050308Jy sigma=0.601005 ! Fit after self-cal, rms=0.050282Jy sigma=0.600773 wmodel J1753+2848_S_a_map.mod ! Writing 187 model components to file: J1753+2848_S_a_map.mod wobs J1753+2848_S_a_uvs.fits ! Writing UV FITS file: J1753+2848_S_a_uvs.fits wwins J1753+2848_S_a_map.win ! wwins: Wrote 7 windows to J1753+2848_S_a_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 = -3.54412e-05 Jy ! Component: 100 - total flux cleaned = -0.000220122 Jy ! Component: 150 - total flux cleaned = -0.000398509 Jy ! Component: 200 - total flux cleaned = -0.000398702 Jy ! Component: 250 - total flux cleaned = -0.000426769 Jy ! Component: 300 - total flux cleaned = -0.000343717 Jy ! Component: 350 - total flux cleaned = -0.000316558 Jy ! Component: 400 - total flux cleaned = -0.000316544 Jy ! Component: 450 - total flux cleaned = -0.000369153 Jy ! Component: 500 - total flux cleaned = -0.000473103 Jy ! Component: 550 - total flux cleaned = -0.000575571 Jy ! Component: 600 - total flux cleaned = -0.000651621 Jy ! Component: 650 - total flux cleaned = -0.000777248 Jy ! Component: 700 - total flux cleaned = -0.000926312 Jy ! Component: 750 - total flux cleaned = -0.00100012 Jy ! Component: 800 - total flux cleaned = -0.00107334 Jy ! Component: 850 - total flux cleaned = -0.00112135 Jy ! Component: 900 - total flux cleaned = -0.00107337 Jy ! Component: 950 - total flux cleaned = -0.00107312 Jy ! Component: 1000 - total flux cleaned = -0.00104935 Jy ! Component: 1050 - total flux cleaned = -0.000978946 Jy ! Component: 1100 - total flux cleaned = -0.000978868 Jy ! Component: 1150 - total flux cleaned = -0.000932463 Jy ! Component: 1200 - total flux cleaned = -0.000863549 Jy ! Component: 1250 - total flux cleaned = -0.000818219 Jy ! Component: 1300 - total flux cleaned = -0.00090869 Jy ! Component: 1350 - total flux cleaned = -0.0008863 Jy ! Component: 1400 - total flux cleaned = -0.000908591 Jy ! Component: 1450 - total flux cleaned = -0.000863829 Jy ! Component: 1500 - total flux cleaned = -0.000841538 Jy ! Component: 1550 - total flux cleaned = -0.000753988 Jy ! Component: 1600 - total flux cleaned = -0.000732029 Jy ! Component: 1650 - total flux cleaned = -0.00066713 Jy ! Component: 1700 - total flux cleaned = -0.000667302 Jy ! Component: 1750 - total flux cleaned = -0.000667246 Jy ! Component: 1800 - total flux cleaned = -0.000603268 Jy ! Component: 1850 - total flux cleaned = -0.00060338 Jy ! Component: 1900 - total flux cleaned = -0.000582378 Jy ! Component: 1950 - total flux cleaned = -0.000519417 Jy ! Component: 2000 - total flux cleaned = -0.000581798 Jy ! Component: 2050 - total flux cleaned = -0.00045718 Jy ! Component: 2100 - total flux cleaned = -0.000353928 Jy ! Component: 2150 - total flux cleaned = -0.000312647 Jy ! Component: 2200 - total flux cleaned = -0.000394659 Jy ! Component: 2250 - total flux cleaned = -0.0003538 Jy ! Component: 2300 - total flux cleaned = -0.000333465 Jy ! Component: 2350 - total flux cleaned = -0.00031325 Jy ! Component: 2400 - total flux cleaned = -0.000293136 Jy ! Component: 2450 - total flux cleaned = -0.000293166 Jy ! Component: 2500 - total flux cleaned = -0.000233379 Jy ! Component: 2550 - total flux cleaned = -0.000332569 Jy ! Component: 2600 - total flux cleaned = -0.000312792 Jy ! Component: 2650 - total flux cleaned = -0.000233866 Jy ! Component: 2700 - total flux cleaned = -0.00029265 Jy ! Component: 2750 - total flux cleaned = -0.00015599 Jy ! Component: 2800 - total flux cleaned = -0.000194871 Jy ! Component: 2850 - total flux cleaned = -0.000194807 Jy ! Component: 2900 - total flux cleaned = -0.000136911 Jy ! Component: 2950 - total flux cleaned = -6.00727e-05 Jy ! Component: 3000 - total flux cleaned = -7.92227e-05 Jy ! Component: 3050 - total flux cleaned = -7.91261e-05 Jy ! Component: 3100 - total flux cleaned = 5.36402e-05 Jy ! Component: 3150 - total flux cleaned = -4.09273e-05 Jy ! Component: 3200 - total flux cleaned = -4.10289e-05 Jy ! Component: 3250 - total flux cleaned = 7.16372e-05 Jy ! Component: 3300 - total flux cleaned = 7.1613e-05 Jy ! Component: 3350 - total flux cleaned = 9.01824e-05 Jy ! Component: 3400 - total flux cleaned = 0.000145934 Jy ! Component: 3450 - total flux cleaned = 0.000201448 Jy ! Component: 3500 - total flux cleaned = 0.000182981 Jy ! Component: 3550 - total flux cleaned = 0.000219728 Jy ! Component: 3600 - total flux cleaned = 0.000238113 Jy ! Component: 3650 - total flux cleaned = 0.000220095 Jy ! Component: 3700 - total flux cleaned = 0.000292546 Jy ! Component: 3750 - total flux cleaned = 0.000292437 Jy ! Component: 3800 - total flux cleaned = 0.000292485 Jy ! Component: 3850 - total flux cleaned = 0.000346414 Jy ! Component: 3900 - total flux cleaned = 0.000328388 Jy ! Component: 3950 - total flux cleaned = 0.00036408 Jy ! Component: 4000 - total flux cleaned = 0.000524282 Jy ! Component: 4050 - total flux cleaned = 0.000400129 Jy ! Total flux subtracted in 4096 components = 0.000453156 Jy ! Clean residual min=-0.001087 max=0.001112 Jy/beam ! Clean residual mean=0.000001 rms=0.000337 Jy/beam ! Combined flux in latest and established models = 1.36706 Jy keep ! Adding 342 model components to the UV plane model. ! The established model now contains 528 components and 1.36706 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1753+2848_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.339 x 6.733 at -5.633 degrees (North through East) ! Clean map min=-0.0015971 max=1.2361 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1753+2848_S_a_map.fits wmodel /vlbi/uf001/uvm//J1753+2848_S_a_map.mod ! Writing 528 model components to file: /vlbi/uf001/uvm//J1753+2848_S_a_map.mod wobs /vlbi/uf001/uvm//J1753+2848_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1753+2848_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1753+2848_S_a_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uvm//J1753+2848_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.23612 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000337247 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0818482 0.0818482 0.163696 0.327393 0.654785 1.30957 2.61914 5.23828 10.4766 20.9531 41.9063 83.8125 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.236 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3665.32 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1753+2848_S_a_dfm.log closed on Sun Jan 13 22:10:40 2019