! Started logfile: /vlbi/uf001/uvm//J1955+5131_S_a_dfm.log on Sun Jan 13 22:23:53 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//J1955+5131_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1955+5131_S_a_uvm.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! AN table 2: 8 integrations on 28 of 28 possible baselines. ! AN table 3: 5 integrations on 28 of 28 possible baselines. ! AN table 4: 5 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.778195 visibilities/baseline/integration-bin. ! Found source: J1955+5131 ! ! 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 5589 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 J1955+5131_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 74 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! A total of 10 telescope corrections were flagged in sub-array 3. ! A total of 11 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 74 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! A total of 10 telescope corrections were flagged in sub-array 3. ! A total of 11 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 74 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! A total of 10 telescope corrections were flagged in sub-array 3. ! A total of 11 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.289462Jy sigma=20.382376 ! Fit after self-cal, rms=0.312511Jy sigma=5.056949 ! 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=2.877 mas, bmaj=4.328 mas, bpa=8.687 degrees ! Estimated noise=0.756149 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 = 0.570405 Jy ! Component: 100 - total flux cleaned = 0.714633 Jy ! Total flux subtracted in 100 components = 0.714633 Jy ! Clean residual min=-0.020476 max=0.061187 Jy/beam ! Clean residual mean=-0.000073 rms=0.005280 Jy/beam ! Combined flux in latest and established models = 0.714633 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.714633 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.230895Jy sigma=3.350666 ! Fit after self-cal, rms=0.230714Jy sigma=3.348887 ! Inverting map ! Added new window around map position (-4, 3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0725953 Jy ! Component: 100 - total flux cleaned = 0.117849 Jy ! Total flux subtracted in 100 components = 0.117849 Jy ! Clean residual min=-0.019091 max=0.030402 Jy/beam ! Clean residual mean=-0.000054 rms=0.004465 Jy/beam ! Combined flux in latest and established models = 0.832482 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 19 components and 0.832482 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.191649Jy sigma=2.803841 ! Fit after self-cal, rms=0.190845Jy sigma=2.788583 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0338848 Jy ! Component: 100 - total flux cleaned = 0.0571771 Jy ! Total flux subtracted in 100 components = 0.0571771 Jy ! Clean residual min=-0.017684 max=0.029609 Jy/beam ! Clean residual mean=-0.000045 rms=0.004214 Jy/beam ! Combined flux in latest and established models = 0.889659 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 27 components and 0.889659 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.179501Jy sigma=2.644641 ! Fit after self-cal, rms=0.179239Jy sigma=2.639489 ! Inverting map ! Added new window around map position (-14.5, 5.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.028557 Jy ! Component: 100 - total flux cleaned = 0.0482434 Jy ! Total flux subtracted in 100 components = 0.0482434 Jy ! Clean residual min=-0.017340 max=0.022448 Jy/beam ! Clean residual mean=-0.000032 rms=0.004034 Jy/beam ! Combined flux in latest and established models = 0.937902 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 37 components and 0.937902 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.170997Jy sigma=2.533260 ! Fit after self-cal, rms=0.170750Jy sigma=2.528395 ! 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=3.418 mas, bmaj=5.081 mas, bpa=10.08 degrees ! Estimated noise=0.637438 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 (-10, 5.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0306357 Jy ! Component: 100 - total flux cleaned = 0.0525435 Jy ! Component: 150 - total flux cleaned = 0.0698585 Jy ! Component: 200 - total flux cleaned = 0.0837775 Jy ! Total flux subtracted in 200 components = 0.0837775 Jy ! Clean residual min=-0.014744 max=0.018990 Jy/beam ! Clean residual mean=-0.000129 rms=0.003945 Jy/beam ! Combined flux in latest and established models = 1.02168 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 72 components and 1.02168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.161730Jy sigma=2.419674 ! Fit after self-cal, rms=0.161274Jy sigma=2.411941 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.418 x 5.081 at 10.08 degrees (North through East) ! Clean map min=-0.014257 max=0.75339 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 1.00 KP 0.98 ! LA 0.95 MK 1.09 NL 1.01 OV 1.00 ! PT 0.98 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.72 HN 0.97 LA 0.86 MK 0.97 ! NL 1.03 OV 2.53 PT 0.93 SC 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.08 HN 1.11 KP 0.97 MK 1.05 ! NL 1.05 OV 1.00 PT 0.93 SC 1.10 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.02 HN 0.98 KP 1.01 LA 0.96 ! NL 1.02 OV 0.97 PT 0.95 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 1.00 KP 0.98 ! LA 0.96 MK 1.10 NL 1.00 OV 1.08 ! PT 0.96 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 HN 0.94 LA 0.90 MK 0.95 ! NL 0.99 OV 2.43 PT 0.94 SC 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.07 HN 1.09 KP 1.00 MK 1.04 ! NL 1.05 OV 0.97 PT 0.97 SC 1.13 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.06 HN 0.98 KP 1.00 LA 0.96 ! NL 1.05 OV 0.91 PT 0.95 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.02 KP 0.98 ! LA 0.95 MK 1.08 NL 1.02 OV 1.00 ! PT 0.95 SC 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 HN 0.95 LA 0.90 MK 0.97 ! NL 0.99 OV 2.54 PT 0.96 SC 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 HN 1.10 KP 0.99 MK 1.08 ! NL 1.03 OV 1.02 PT 0.97 SC 1.02 ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.01 HN 0.97 KP 0.99 LA 0.96 ! NL 1.01 OV 0.97 PT 0.95 SC 1.00 ! ! ! Fit before self-cal, rms=0.161274Jy sigma=2.411941 ! Fit after self-cal, rms=0.137146Jy sigma=2.066030 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.441 mas, bmaj=5.129 mas, bpa=11.42 degrees ! Estimated noise=0.635489 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 (-35.5, 18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0147716 Jy ! Component: 100 - total flux cleaned = 0.0196633 Jy ! Component: 150 - total flux cleaned = 0.0224328 Jy ! Component: 200 - total flux cleaned = 0.024052 Jy ! Total flux subtracted in 200 components = 0.024052 Jy ! Clean residual min=-0.012369 max=0.013361 Jy/beam ! Clean residual mean=-0.000027 rms=0.003063 Jy/beam ! Combined flux in latest and established models = 1.04573 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 97 components and 1.04573 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.135072Jy sigma=2.032992 ! Fit after self-cal, rms=0.135031Jy sigma=2.030296 ! 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=0.135031Jy sigma=2.030296 ! Fit after self-cal, rms=0.146173Jy sigma=1.135272 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.442 mas, bmaj=5.117 mas, bpa=10.02 degrees ! Estimated noise=0.635662 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00742963 Jy ! Component: 100 - total flux cleaned = 0.0107288 Jy ! Component: 150 - total flux cleaned = 0.0125159 Jy ! Component: 200 - total flux cleaned = 0.0134754 Jy ! Total flux subtracted in 200 components = 0.0134754 Jy ! Clean residual min=-0.003587 max=0.005772 Jy/beam ! Clean residual mean=0.000035 rms=0.000916 Jy/beam ! Combined flux in latest and established models = 1.05921 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 121 components and 1.05921 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145637Jy sigma=1.119421 ! Fit after self-cal, rms=0.145624Jy sigma=1.117995 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 (-24.5, 13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00529196 Jy ! Component: 100 - total flux cleaned = 0.00737313 Jy ! Component: 150 - total flux cleaned = 0.00862092 Jy ! Component: 200 - total flux cleaned = 0.00973502 Jy ! Total flux subtracted in 200 components = 0.00973502 Jy ! Clean residual min=-0.003382 max=0.004612 Jy/beam ! Clean residual mean=0.000046 rms=0.000870 Jy/beam ! Combined flux in latest and established models = 1.06894 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 142 components and 1.06894 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145308Jy sigma=1.108815 ! Fit after self-cal, rms=0.145288Jy sigma=1.108198 ! Inverting map ! Added new window around map position (-43.5, 19). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00319978 Jy ! Component: 100 - total flux cleaned = 0.00489147 Jy ! Component: 150 - total flux cleaned = 0.00608891 Jy ! Component: 200 - total flux cleaned = 0.00699828 Jy ! Total flux subtracted in 200 components = 0.00699828 Jy ! Clean residual min=-0.003151 max=0.004445 Jy/beam ! Clean residual mean=0.000049 rms=0.000845 Jy/beam ! Combined flux in latest and established models = 1.07594 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 163 components and 1.07594 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145103Jy sigma=1.102883 ! Fit after self-cal, rms=0.145094Jy sigma=1.102593 ! Inverting map ! Added new window around map position (-89.5, 30.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00492446 Jy ! Component: 100 - total flux cleaned = 0.00832855 Jy ! Component: 150 - total flux cleaned = 0.0110005 Jy ! Component: 200 - total flux cleaned = 0.0132811 Jy ! Total flux subtracted in 200 components = 0.0132811 Jy ! Clean residual min=-0.003103 max=0.003659 Jy/beam ! Clean residual mean=0.000031 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 1.08922 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 191 components and 1.08922 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.144826Jy sigma=1.095937 ! Fit after self-cal, rms=0.144819Jy sigma=1.095660 ! Inverting map ! Added new window around map position (-80.5, 23). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00378477 Jy ! Component: 100 - total flux cleaned = 0.00626984 Jy ! Component: 150 - total flux cleaned = 0.00824605 Jy ! Component: 200 - total flux cleaned = 0.00993721 Jy ! Total flux subtracted in 200 components = 0.00993721 Jy ! Clean residual min=-0.002996 max=0.003020 Jy/beam ! Clean residual mean=0.000020 rms=0.000737 Jy/beam ! Combined flux in latest and established models = 1.09916 Jy ! Performing phase self-cal ! Adding 69 model components to the UV plane model. ! The established model now contains 226 components and 1.09916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.144665Jy sigma=1.091299 ! Fit after self-cal, rms=0.144659Jy sigma=1.091092 ! 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=0.144659Jy sigma=1.091092 ! Fit after self-cal, rms=0.145347Jy sigma=1.088019 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.444 mas, bmaj=5.119 mas, bpa=9.999 degrees ! Estimated noise=0.634988 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00191351 Jy ! Component: 100 - total flux cleaned = 0.00366253 Jy ! Component: 150 - total flux cleaned = 0.00535104 Jy ! Component: 200 - total flux cleaned = 0.00659523 Jy ! Total flux subtracted in 200 components = 0.00659523 Jy ! Clean residual min=-0.002754 max=0.002913 Jy/beam ! Clean residual mean=0.000019 rms=0.000704 Jy/beam ! Combined flux in latest and established models = 1.10575 Jy selfcal ! Performing phase self-cal ! Adding 66 model components to the UV plane model. ! The established model now contains 253 components and 1.10575 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145230Jy sigma=1.084699 ! Fit after self-cal, rms=0.145225Jy sigma=1.084578 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 = 0.00124222 Jy ! Component: 100 - total flux cleaned = 0.00241874 Jy ! Component: 150 - total flux cleaned = 0.00353871 Jy ! Component: 200 - total flux cleaned = 0.00446691 Jy ! Total flux subtracted in 200 components = 0.00446691 Jy ! Clean residual min=-0.002735 max=0.002862 Jy/beam ! Clean residual mean=0.000017 rms=0.000689 Jy/beam ! Combined flux in latest and established models = 1.11022 Jy ! Performing phase self-cal ! Adding 68 model components to the UV plane model. ! The established model now contains 270 components and 1.11022 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145149Jy sigma=1.082391 ! Fit after self-cal, rms=0.145147Jy sigma=1.082345 ! 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=0.145147Jy sigma=1.082345 ! Fit after self-cal, rms=0.145386Jy sigma=1.082098 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.364 mas, bmaj=8.924 mas, bpa=20.63 degrees ! Estimated noise=0.852648 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00331396 Jy ! Component: 100 - total flux cleaned = 0.00607705 Jy ! Component: 150 - total flux cleaned = 0.00841494 Jy ! Component: 200 - total flux cleaned = 0.0102382 Jy ! Total flux subtracted in 200 components = 0.0102382 Jy ! Clean residual min=-0.003131 max=0.004334 Jy/beam ! Clean residual mean=0.000027 rms=0.000984 Jy/beam ! Combined flux in latest and established models = 1.12046 Jy selfcal ! Performing phase self-cal ! Adding 58 model components to the UV plane model. ! The established model now contains 318 components and 1.12046 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145320Jy sigma=1.080375 ! Fit after self-cal, rms=0.145316Jy sigma=1.080267 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 = 0.00214973 Jy ! Component: 100 - total flux cleaned = 0.00375701 Jy ! Component: 150 - total flux cleaned = 0.0049402 Jy ! Component: 200 - total flux cleaned = 0.00608623 Jy ! Total flux subtracted in 200 components = 0.00608623 Jy ! Clean residual min=-0.003016 max=0.004264 Jy/beam ! Clean residual mean=0.000021 rms=0.000955 Jy/beam ! Combined flux in latest and established models = 1.12654 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 342 components and 1.12654 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145289Jy sigma=1.079663 ! Fit after self-cal, rms=0.145286Jy sigma=1.079620 ! Inverting map ! Added new window around map position (-112.5, 46.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00377994 Jy ! Component: 100 - total flux cleaned = 0.00606305 Jy ! Component: 150 - total flux cleaned = 0.00790011 Jy ! Component: 200 - total flux cleaned = 0.00927321 Jy ! Total flux subtracted in 200 components = 0.00927321 Jy ! Clean residual min=-0.003150 max=0.003937 Jy/beam ! Clean residual mean=0.000003 rms=0.000898 Jy/beam ! Combined flux in latest and established models = 1.13582 Jy ! Performing phase self-cal ! Adding 72 model components to the UV plane model. ! The established model now contains 402 components and 1.13582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145212Jy sigma=1.078060 ! Fit after self-cal, rms=0.145214Jy sigma=1.077869 ! Inverting map ! Added new window around map position (-58.5, 13.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00382829 Jy ! Component: 100 - total flux cleaned = 0.00623995 Jy ! Component: 150 - total flux cleaned = 0.00819261 Jy ! Component: 200 - total flux cleaned = 0.00992899 Jy ! Total flux subtracted in 200 components = 0.00992899 Jy ! Clean residual min=-0.002816 max=0.002790 Jy/beam ! Clean residual mean=-0.000014 rms=0.000814 Jy/beam ! Combined flux in latest and established models = 1.14575 Jy ! Performing phase self-cal ! Adding 81 model components to the UV plane model. ! The established model now contains 472 components and 1.14575 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.145131Jy sigma=1.075659 ! Fit after self-cal, rms=0.145132Jy sigma=1.075519 ! 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=3.445 mas, bmaj=5.119 mas, bpa=9.991 degrees ! Estimated noise=0.634783 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.445 x 5.119 at 9.991 degrees (North through East) ! Clean map min=-0.0024526 max=0.74882 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=0.145132Jy sigma=1.075519 ! Fit after self-cal, rms=0.324126Jy sigma=0.826674 ! Inverting map and beam ! Estimated beam: bmin=3.446 mas, bmaj=5.118 mas, bpa=9.98 degrees ! Estimated noise=0.634857 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109471 Jy ! Component: 100 - total flux cleaned = 0.00202617 Jy ! Component: 150 - total flux cleaned = 0.00296457 Jy ! Component: 200 - total flux cleaned = 0.00384507 Jy ! Total flux subtracted in 200 components = 0.00384507 Jy ! Clean residual min=-0.002467 max=0.002408 Jy/beam ! Clean residual mean=-0.000004 rms=0.000588 Jy/beam ! Combined flux in latest and established models = 1.14959 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 501 components and 1.14959 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.324067Jy sigma=0.823783 ! Fit after self-cal, rms=0.324067Jy sigma=0.823718 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00065709 Jy ! Component: 100 - total flux cleaned = 0.00135451 Jy ! Component: 150 - total flux cleaned = 0.00232624 Jy ! Component: 200 - total flux cleaned = 0.00297071 Jy ! Total flux subtracted in 200 components = 0.00297071 Jy ! Clean residual min=-0.002441 max=0.002378 Jy/beam ! Clean residual mean=-0.000005 rms=0.000580 Jy/beam ! Combined flux in latest and established models = 1.15256 Jy ! Performing phase self-cal ! Adding 62 model components to the UV plane model. ! The established model now contains 522 components and 1.15256 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.324028Jy sigma=0.821768 ! Fit after self-cal, rms=0.324026Jy sigma=0.821734 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.324026Jy sigma=0.821734 ! Fit after self-cal, rms=0.322360Jy sigma=0.821543 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=2.894 mas, bmaj=4.349 mas, bpa=8.813 degrees ! Estimated noise=0.758023 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.571046 Jy ! Component: 100 - total flux cleaned = 0.715406 Jy ! Component: 150 - total flux cleaned = 0.790288 Jy ! Component: 200 - total flux cleaned = 0.835989 Jy ! Total flux subtracted in 200 components = 0.835989 Jy ! Clean residual min=-0.007881 max=0.024785 Jy/beam ! Clean residual mean=-0.000041 rms=0.002150 Jy/beam ! Combined flux in latest and established models = 0.835989 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.835989 Jy ! Inverting map and beam ! Estimated beam: bmin=3.446 mas, bmaj=5.118 mas, bpa=9.971 degrees ! Estimated noise=0.634776 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 = 0.0501268 Jy ! Component: 100 - total flux cleaned = 0.0861001 Jy ! Component: 150 - total flux cleaned = 0.112725 Jy ! Component: 200 - total flux cleaned = 0.133116 Jy ! Total flux subtracted in 200 components = 0.133116 Jy ! Clean residual min=-0.005882 max=0.012593 Jy/beam ! Clean residual mean=-0.000023 rms=0.001592 Jy/beam ! Combined flux in latest and established models = 0.969106 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 74 components and 0.969105 Jy ! Inverting map ! Added new window around map position (-18, 8.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0161657 Jy ! Component: 100 - total flux cleaned = 0.0292076 Jy ! Component: 150 - total flux cleaned = 0.0399941 Jy ! Component: 200 - total flux cleaned = 0.0492454 Jy ! Total flux subtracted in 200 components = 0.0492454 Jy ! Clean residual min=-0.004295 max=0.005742 Jy/beam ! Clean residual mean=0.000018 rms=0.001127 Jy/beam ! Combined flux in latest and established models = 1.01835 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 110 components and 1.01835 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00812314 Jy ! Component: 100 - total flux cleaned = 0.0154005 Jy ! Component: 150 - total flux cleaned = 0.022018 Jy ! Component: 200 - total flux cleaned = 0.028061 Jy ! Total flux subtracted in 200 components = 0.028061 Jy ! Clean residual min=-0.003466 max=0.003852 Jy/beam ! Clean residual mean=0.000027 rms=0.000944 Jy/beam ! Combined flux in latest and established models = 1.04641 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 151 components and 1.04641 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=7.363 mas, bmaj=8.924 mas, bpa=20.61 degrees ! Estimated noise=0.852596 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0105394 Jy ! Component: 100 - total flux cleaned = 0.0191394 Jy ! Component: 150 - total flux cleaned = 0.0266259 Jy ! Component: 200 - total flux cleaned = 0.0332876 Jy ! Total flux subtracted in 200 components = 0.0332876 Jy ! Clean residual min=-0.004258 max=0.004485 Jy/beam ! Clean residual mean=0.000062 rms=0.001395 Jy/beam ! Combined flux in latest and established models = 1.0797 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 = 0.00599804 Jy ! Component: 100 - total flux cleaned = 0.0114328 Jy ! Component: 150 - total flux cleaned = 0.0164048 Jy ! Component: 200 - total flux cleaned = 0.020988 Jy ! Total flux subtracted in 200 components = 0.020988 Jy ! Clean residual min=-0.003534 max=0.003852 Jy/beam ! Clean residual mean=0.000045 rms=0.001158 Jy/beam ! Combined flux in latest and established models = 1.10069 Jy ! Adding 229 model components to the UV plane model. ! The established model now contains 364 components and 1.10069 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.446 mas, bmaj=5.118 mas, bpa=9.971 degrees ! Estimated noise=0.634776 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00330048 Jy ! Component: 100 - total flux cleaned = 0.00595506 Jy ! Component: 150 - total flux cleaned = 0.00866493 Jy ! Component: 200 - total flux cleaned = 0.0111122 Jy ! Total flux subtracted in 200 components = 0.0111122 Jy ! Clean residual min=-0.002618 max=0.002840 Jy/beam ! Clean residual mean=0.000015 rms=0.000668 Jy/beam ! Combined flux in latest and established models = 1.1118 Jy selfcal ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 401 components and 1.1118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.322767Jy sigma=0.835200 ! Fit after self-cal, rms=0.322790Jy sigma=0.832580 wmodel J1955+5131_S_a_map.mod ! Writing 401 model components to file: J1955+5131_S_a_map.mod wobs J1955+5131_S_a_uvs.fits ! Writing UV FITS file: J1955+5131_S_a_uvs.fits wwins J1955+5131_S_a_map.win ! wwins: Wrote 12 windows to J1955+5131_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 = 0.000256816 Jy ! Component: 100 - total flux cleaned = 0.000124599 Jy ! Component: 150 - total flux cleaned = 0.000168779 Jy ! Component: 200 - total flux cleaned = 8.59098e-05 Jy ! Component: 250 - total flux cleaned = -0.000198349 Jy ! Component: 300 - total flux cleaned = -0.000397344 Jy ! Component: 350 - total flux cleaned = -0.000671483 Jy ! Component: 400 - total flux cleaned = -0.000902786 Jy ! Component: 450 - total flux cleaned = -0.00113077 Jy ! Component: 500 - total flux cleaned = -0.00128072 Jy ! Component: 550 - total flux cleaned = -0.00150321 Jy ! Component: 600 - total flux cleaned = -0.00154021 Jy ! Component: 650 - total flux cleaned = -0.001686 Jy ! Component: 700 - total flux cleaned = -0.00172223 Jy ! Component: 750 - total flux cleaned = -0.00182889 Jy ! Component: 800 - total flux cleaned = -0.00175847 Jy ! Component: 850 - total flux cleaned = -0.00182875 Jy ! Component: 900 - total flux cleaned = -0.00186289 Jy ! Component: 950 - total flux cleaned = -0.00179459 Jy ! Component: 1000 - total flux cleaned = -0.00182862 Jy ! Component: 1050 - total flux cleaned = -0.00179499 Jy ! Component: 1100 - total flux cleaned = -0.00192847 Jy ! Component: 1150 - total flux cleaned = -0.00186206 Jy ! Component: 1200 - total flux cleaned = -0.00192762 Jy ! Component: 1250 - total flux cleaned = -0.00186216 Jy ! Component: 1300 - total flux cleaned = -0.00199203 Jy ! Component: 1350 - total flux cleaned = -0.00192742 Jy ! Component: 1400 - total flux cleaned = -0.00195966 Jy ! Component: 1450 - total flux cleaned = -0.00202312 Jy ! Component: 1500 - total flux cleaned = -0.0019284 Jy ! Component: 1550 - total flux cleaned = -0.0020541 Jy ! Component: 1600 - total flux cleaned = -0.00208568 Jy ! Component: 1650 - total flux cleaned = -0.00196112 Jy ! Component: 1700 - total flux cleaned = -0.00196141 Jy ! Component: 1750 - total flux cleaned = -0.00208459 Jy ! Component: 1800 - total flux cleaned = -0.00187043 Jy ! Component: 1850 - total flux cleaned = -0.00208392 Jy ! Component: 1900 - total flux cleaned = -0.00202326 Jy ! Component: 1950 - total flux cleaned = -0.00208392 Jy ! Component: 2000 - total flux cleaned = -0.00226396 Jy ! Component: 2050 - total flux cleaned = -0.00217446 Jy ! Component: 2100 - total flux cleaned = -0.0022932 Jy ! Component: 2150 - total flux cleaned = -0.00220446 Jy ! Component: 2200 - total flux cleaned = -0.00232216 Jy ! Component: 2250 - total flux cleaned = -0.00238095 Jy ! Component: 2300 - total flux cleaned = -0.00223482 Jy ! Component: 2350 - total flux cleaned = -0.00229291 Jy ! Component: 2400 - total flux cleaned = -0.00223496 Jy ! Component: 2450 - total flux cleaned = -0.00220626 Jy ! Component: 2500 - total flux cleaned = -0.00223468 Jy ! Component: 2550 - total flux cleaned = -0.00217766 Jy ! Component: 2600 - total flux cleaned = -0.00214918 Jy ! Component: 2650 - total flux cleaned = -0.00220562 Jy ! Component: 2700 - total flux cleaned = -0.00214911 Jy ! Component: 2750 - total flux cleaned = -0.00214924 Jy ! Component: 2800 - total flux cleaned = -0.00200926 Jy ! Component: 2850 - total flux cleaned = -0.00217637 Jy ! Component: 2900 - total flux cleaned = -0.00214862 Jy ! Component: 2950 - total flux cleaned = -0.00209329 Jy ! Component: 3000 - total flux cleaned = -0.00192804 Jy ! Component: 3050 - total flux cleaned = -0.00206536 Jy ! Component: 3100 - total flux cleaned = -0.00220209 Jy ! Component: 3150 - total flux cleaned = -0.00209318 Jy ! Component: 3200 - total flux cleaned = -0.0021747 Jy ! Component: 3250 - total flux cleaned = -0.00217477 Jy ! Component: 3300 - total flux cleaned = -0.00214794 Jy ! Component: 3350 - total flux cleaned = -0.00209417 Jy ! Component: 3400 - total flux cleaned = -0.00204064 Jy ! Component: 3450 - total flux cleaned = -0.00209406 Jy ! Component: 3500 - total flux cleaned = -0.00217368 Jy ! Component: 3550 - total flux cleaned = -0.00214713 Jy ! Component: 3600 - total flux cleaned = -0.0021997 Jy ! Component: 3650 - total flux cleaned = -0.00219984 Jy ! Component: 3700 - total flux cleaned = -0.00214743 Jy ! Component: 3750 - total flux cleaned = -0.00225173 Jy ! Component: 3800 - total flux cleaned = -0.00230367 Jy ! Component: 3850 - total flux cleaned = -0.00230361 Jy ! Component: 3900 - total flux cleaned = -0.00220042 Jy ! Component: 3950 - total flux cleaned = -0.00214904 Jy ! Component: 4000 - total flux cleaned = -0.00217452 Jy ! Component: 4050 - total flux cleaned = -0.00222557 Jy ! Total flux subtracted in 4096 components = -0.00214911 Jy ! Clean residual min=-0.001377 max=0.001584 Jy/beam ! Clean residual mean=0.000007 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 1.10965 Jy keep ! Adding 379 model components to the UV plane model. ! The established model now contains 765 components and 1.10965 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1955+5131_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.446 x 5.118 at 9.971 degrees (North through East) ! Clean map min=-0.002028 max=0.75102 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1955+5131_S_a_map.fits wmodel /vlbi/uf001/uvm//J1955+5131_S_a_map.mod ! Writing 765 model components to file: /vlbi/uf001/uvm//J1955+5131_S_a_map.mod wobs /vlbi/uf001/uvm//J1955+5131_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1955+5131_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1955+5131_S_a_map.win ! wwins: Wrote 13 windows to /vlbi/uf001/uvm//J1955+5131_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.751015 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000490814 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.19606 0.19606 0.392121 0.784241 1.56848 3.13697 6.27393 12.5479 25.0957 50.1914 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.751 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1530.14 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1955+5131_S_a_dfm.log closed on Sun Jan 13 22:23:59 2019