! Started logfile: /vlbi/uf001/uva//J1831+2907_S_dfm.log on Mon Jan 14 04:40:42 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//J1831+2907_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1831+2907_S_uva.fits ! AN table 1: 110 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.997576 visibilities/baseline/integration-bin. ! Found source: J1831+2907 ! ! 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 14814 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 J1831+2907_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 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.141304Jy sigma=22.959659 ! Fit after self-cal, rms=0.825844Jy sigma=18.295918 ! 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=2.759 mas, bmaj=5.636 mas, bpa=-6.716 degrees ! Estimated noise=0.445094 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 = 0.161808 Jy ! Component: 100 - total flux cleaned = 0.247415 Jy ! Total flux subtracted in 100 components = 0.247415 Jy ! Clean residual min=-0.043255 max=0.073519 Jy/beam ! Clean residual mean=-0.000200 rms=0.012112 Jy/beam ! Combined flux in latest and established models = 0.247415 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.247415 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.443639Jy sigma=6.536923 ! Fit after self-cal, rms=0.443005Jy sigma=6.521446 ! Inverting map ! Added new window around map position (-9, 0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0762595 Jy ! Component: 100 - total flux cleaned = 0.131341 Jy ! Total flux subtracted in 100 components = 0.131341 Jy ! Clean residual min=-0.042914 max=0.061857 Jy/beam ! Clean residual mean=-0.000191 rms=0.011356 Jy/beam ! Combined flux in latest and established models = 0.378756 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 52 components and 0.378756 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.405189Jy sigma=5.990558 ! Fit after self-cal, rms=0.402312Jy sigma=5.936063 ! Inverting map ! Added new window around map position (-60.5, -4.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0712788 Jy ! Component: 100 - total flux cleaned = 0.123572 Jy ! Total flux subtracted in 100 components = 0.123572 Jy ! Clean residual min=-0.036871 max=0.058276 Jy/beam ! Clean residual mean=-0.000177 rms=0.010398 Jy/beam ! Combined flux in latest and established models = 0.502327 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 75 components and 0.502327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.369665Jy sigma=5.472144 ! Fit after self-cal, rms=0.366569Jy sigma=5.414185 ! 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=3.355 mas, bmaj=6.379 mas, bpa=-6.066 degrees ! Estimated noise=0.284042 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 (-49.5, -4.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0976642 Jy ! Component: 100 - total flux cleaned = 0.174879 Jy ! Component: 150 - total flux cleaned = 0.241509 Jy ! Component: 200 - total flux cleaned = 0.299729 Jy ! Total flux subtracted in 200 components = 0.299729 Jy ! Clean residual min=-0.039469 max=0.066773 Jy/beam ! Clean residual mean=-0.000236 rms=0.011924 Jy/beam ! Combined flux in latest and established models = 0.802056 Jy ! Performing phase self-cal ! Adding 65 model components to the UV plane model. ! The established model now contains 122 components and 0.802056 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.293062Jy sigma=4.466852 ! Fit after self-cal, rms=0.287731Jy sigma=4.362346 ! Inverting map ! Added new window around map position (-65.5, -3.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0741414 Jy ! Component: 100 - total flux cleaned = 0.129595 Jy ! Component: 150 - total flux cleaned = 0.177723 Jy ! Component: 200 - total flux cleaned = 0.220155 Jy ! Total flux subtracted in 200 components = 0.220155 Jy ! Clean residual min=-0.032709 max=0.065126 Jy/beam ! Clean residual mean=-0.000199 rms=0.009685 Jy/beam ! Combined flux in latest and established models = 1.02221 Jy ! Performing phase self-cal ! Adding 58 model components to the UV plane model. ! The established model now contains 164 components and 1.02221 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.238349Jy sigma=3.692343 ! Fit after self-cal, rms=0.232779Jy sigma=3.537345 ! Inverting map ! Added new window around map position (5.5, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0631603 Jy ! Component: 100 - total flux cleaned = 0.109764 Jy ! Component: 150 - total flux cleaned = 0.149714 Jy ! Component: 200 - total flux cleaned = 0.184948 Jy ! Total flux subtracted in 200 components = 0.184948 Jy ! Clean residual min=-0.024200 max=0.042048 Jy/beam ! Clean residual mean=-0.000174 rms=0.007377 Jy/beam ! Combined flux in latest and established models = 1.20716 Jy ! Performing phase self-cal ! Adding 71 model components to the UV plane model. ! The established model now contains 210 components and 1.20716 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.191087Jy sigma=2.901731 ! Fit after self-cal, rms=0.190296Jy sigma=2.860666 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.355 x 6.379 at -6.066 degrees (North through East) ! Clean map min=-0.024196 max=0.19707 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.91 HN 1.06 KP 0.89 ! LA 0.86 MK 1.23 NL 1.08 OV 0.91 ! PT 0.92 SC 1.04 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 0.87 HN 1.06 KP 0.92 ! LA 0.84 MK 1.29 NL 1.14 OV 0.92 ! PT 0.93 SC 1.08 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.91 HN 1.03 KP 0.92 ! LA 0.86 MK 1.51 NL 1.15 OV 0.98 ! PT 0.92 SC 1.16 ! ! ! Fit before self-cal, rms=0.190296Jy sigma=2.860666 ! Fit after self-cal, rms=0.139606Jy sigma=2.556154 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.614 mas, bmaj=6.674 mas, bpa=-4.439 degrees ! Estimated noise=0.287797 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 (-19.5, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0315553 Jy ! Component: 100 - total flux cleaned = 0.0526968 Jy ! Component: 150 - total flux cleaned = 0.0710456 Jy ! Component: 200 - total flux cleaned = 0.0877681 Jy ! Total flux subtracted in 200 components = 0.0877681 Jy ! Clean residual min=-0.016307 max=0.028499 Jy/beam ! Clean residual mean=-0.000126 rms=0.005168 Jy/beam ! Combined flux in latest and established models = 1.29493 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 253 components and 1.29493 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.122232Jy sigma=2.182227 ! Fit after self-cal, rms=0.121313Jy sigma=2.156342 ! Inverting map ! Added new window around map position (-96.5, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0261802 Jy ! Component: 100 - total flux cleaned = 0.0442287 Jy ! Component: 150 - total flux cleaned = 0.061088 Jy ! Component: 200 - total flux cleaned = 0.0763899 Jy ! Total flux subtracted in 200 components = 0.0763899 Jy ! Clean residual min=-0.014534 max=0.016030 Jy/beam ! Clean residual mean=-0.000101 rms=0.004204 Jy/beam ! Combined flux in latest and established models = 1.37132 Jy ! Performing phase self-cal ! Adding 67 model components to the UV plane model. ! The established model now contains 301 components and 1.37132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.109650Jy sigma=1.902204 ! Fit after self-cal, rms=0.109045Jy sigma=1.891844 ! 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=0.109045Jy sigma=1.891844 ! Fit after self-cal, rms=0.097638Jy sigma=1.790100 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.649 mas, bmaj=6.711 mas, bpa=-3.878 degrees ! Estimated noise=0.284512 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00712805 Jy ! Component: 100 - total flux cleaned = 0.0192629 Jy ! Component: 150 - total flux cleaned = 0.0301731 Jy ! Component: 200 - total flux cleaned = 0.0407046 Jy ! Total flux subtracted in 200 components = 0.0407046 Jy ! Clean residual min=-0.011753 max=0.015680 Jy/beam ! Clean residual mean=-0.000061 rms=0.003305 Jy/beam ! Combined flux in latest and established models = 1.41202 Jy selfcal ! Performing phase self-cal ! Adding 62 model components to the UV plane model. ! The established model now contains 348 components and 1.41202 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.091635Jy sigma=1.660841 ! Fit after self-cal, rms=0.091394Jy sigma=1.655064 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, -5.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0142378 Jy ! Component: 100 - total flux cleaned = 0.0242372 Jy ! Component: 150 - total flux cleaned = 0.0338768 Jy ! Component: 200 - total flux cleaned = 0.042924 Jy ! Total flux subtracted in 200 components = 0.042924 Jy ! Clean residual min=-0.010479 max=0.011400 Jy/beam ! Clean residual mean=-0.000048 rms=0.002880 Jy/beam ! Combined flux in latest and established models = 1.45494 Jy ! Performing phase self-cal ! Adding 67 model components to the UV plane model. ! The established model now contains 401 components and 1.45494 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.085947Jy sigma=1.554762 ! Fit after self-cal, rms=0.085667Jy sigma=1.550229 ! 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=0.085667Jy sigma=1.550229 ! Fit after self-cal, rms=0.082159Jy sigma=1.540037 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.653 mas, bmaj=6.723 mas, bpa=-3.843 degrees ! Estimated noise=0.279131 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00210036 Jy ! Component: 100 - total flux cleaned = 0.00979336 Jy ! Component: 150 - total flux cleaned = 0.0175898 Jy ! Component: 200 - total flux cleaned = 0.0245586 Jy ! Total flux subtracted in 200 components = 0.0245586 Jy ! Clean residual min=-0.008722 max=0.010146 Jy/beam ! Clean residual mean=-0.000049 rms=0.002481 Jy/beam ! Combined flux in latest and established models = 1.4795 Jy selfcal ! Performing phase self-cal ! Adding 66 model components to the UV plane model. ! The established model now contains 436 components and 1.4795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.078933Jy sigma=1.471015 ! Fit after self-cal, rms=0.078745Jy sigma=1.467982 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 = 0.00553164 Jy ! Component: 100 - total flux cleaned = 0.0121534 Jy ! Component: 150 - total flux cleaned = 0.0186535 Jy ! Component: 200 - total flux cleaned = 0.0248317 Jy ! Total flux subtracted in 200 components = 0.0248317 Jy ! Clean residual min=-0.007978 max=0.009322 Jy/beam ! Clean residual mean=-0.000043 rms=0.002270 Jy/beam ! Combined flux in latest and established models = 1.50434 Jy ! Performing phase self-cal ! Adding 75 model components to the UV plane model. ! The established model now contains 459 components and 1.50434 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076385Jy sigma=1.425199 ! Fit after self-cal, rms=0.076272Jy sigma=1.423507 ! 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=0.076272Jy sigma=1.423507 ! Fit after self-cal, rms=0.074671Jy sigma=1.419619 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.189 mas, bmaj=9.874 mas, bpa=-5.224 degrees ! Estimated noise=0.339165 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0134697 Jy ! Component: 100 - total flux cleaned = 0.0241046 Jy ! Component: 150 - total flux cleaned = 0.0334555 Jy ! Component: 200 - total flux cleaned = 0.0419125 Jy ! Total flux subtracted in 200 components = 0.0419125 Jy ! Clean residual min=-0.009925 max=0.011144 Jy/beam ! Clean residual mean=-0.000065 rms=0.003114 Jy/beam ! Combined flux in latest and established models = 1.54625 Jy selfcal ! Performing phase self-cal ! Adding 60 model components to the UV plane model. ! The established model now contains 504 components and 1.54625 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.072293Jy sigma=1.379315 ! Fit after self-cal, rms=0.072112Jy sigma=1.376915 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 = 0.00697889 Jy ! Component: 100 - total flux cleaned = 0.0144165 Jy ! Component: 150 - total flux cleaned = 0.020955 Jy ! Component: 200 - total flux cleaned = 0.0272575 Jy ! Total flux subtracted in 200 components = 0.0272575 Jy ! Clean residual min=-0.008389 max=0.010946 Jy/beam ! Clean residual mean=-0.000052 rms=0.002767 Jy/beam ! Combined flux in latest and established models = 1.57351 Jy ! Performing phase self-cal ! Adding 69 model components to the UV plane model. ! The established model now contains 531 components and 1.57351 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070952Jy sigma=1.358416 ! Fit after self-cal, rms=0.070863Jy sigma=1.357147 ! 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=3.655 mas, bmaj=6.726 mas, bpa=-3.77 degrees ! Estimated noise=0.276003 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.655 x 6.726 at -3.77 degrees (North through East) ! Clean map min=-0.0065498 max=0.18906 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=3.013 mas, bmaj=5.908 mas, bpa=-4.59 degrees ! Estimated noise=0.456066 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.159343 Jy ! Component: 100 - total flux cleaned = 0.267369 Jy ! Component: 150 - total flux cleaned = 0.35715 Jy ! Component: 200 - total flux cleaned = 0.434955 Jy ! Total flux subtracted in 200 components = 0.434955 Jy ! Clean residual min=-0.033989 max=0.053354 Jy/beam ! Clean residual mean=-0.000168 rms=0.009566 Jy/beam ! Combined flux in latest and established models = 0.434955 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 55 model components to the UV plane model. ! The established model now contains 55 components and 0.434955 Jy ! Inverting map and beam ! Estimated beam: bmin=3.655 mas, bmaj=6.726 mas, bpa=-3.77 degrees ! Estimated noise=0.276003 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) ! Added new window around map position (-4, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.104966 Jy ! Component: 100 - total flux cleaned = 0.191715 Jy ! Component: 150 - total flux cleaned = 0.265833 Jy ! Component: 200 - total flux cleaned = 0.330034 Jy ! Total flux subtracted in 200 components = 0.330034 Jy ! Clean residual min=-0.030644 max=0.041974 Jy/beam ! Clean residual mean=-0.000176 rms=0.009099 Jy/beam ! Combined flux in latest and established models = 0.764989 Jy ! Adding 84 model components to the UV plane model. ! The established model now contains 117 components and 0.764989 Jy ! Inverting map ! Added new window around map position (-55.5, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0565614 Jy ! Component: 100 - total flux cleaned = 0.106864 Jy ! Component: 150 - total flux cleaned = 0.152024 Jy ! Component: 200 - total flux cleaned = 0.192723 Jy ! Total flux subtracted in 200 components = 0.192723 Jy ! Clean residual min=-0.023824 max=0.027710 Jy/beam ! Clean residual mean=-0.000150 rms=0.006712 Jy/beam ! Combined flux in latest and established models = 0.957712 Jy ! Adding 77 model components to the UV plane model. ! The established model now contains 179 components and 0.957712 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=7.189 mas, bmaj=9.874 mas, bpa=-5.224 degrees ! Estimated noise=0.339165 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0677092 Jy ! Component: 100 - total flux cleaned = 0.122866 Jy ! Component: 150 - total flux cleaned = 0.170263 Jy ! Component: 200 - total flux cleaned = 0.211643 Jy ! Total flux subtracted in 200 components = 0.211643 Jy ! Clean residual min=-0.029230 max=0.025882 Jy/beam ! Clean residual mean=-0.000241 rms=0.008293 Jy/beam ! Combined flux in latest and established models = 1.16936 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 = 0.0365215 Jy ! Component: 100 - total flux cleaned = 0.0689577 Jy ! Component: 150 - total flux cleaned = 0.0980387 Jy ! Component: 200 - total flux cleaned = 0.124348 Jy ! Total flux subtracted in 200 components = 0.124348 Jy ! Clean residual min=-0.021704 max=0.017216 Jy/beam ! Clean residual mean=-0.000184 rms=0.006147 Jy/beam ! Combined flux in latest and established models = 1.2937 Jy ! Adding 186 model components to the UV plane model. ! The established model now contains 329 components and 1.2937 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.655 mas, bmaj=6.726 mas, bpa=-3.77 degrees ! Estimated noise=0.276003 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0187824 Jy ! Component: 100 - total flux cleaned = 0.0346924 Jy ! Component: 150 - total flux cleaned = 0.0493157 Jy ! Component: 200 - total flux cleaned = 0.062952 Jy ! Total flux subtracted in 200 components = 0.062952 Jy ! Clean residual min=-0.012574 max=0.011707 Jy/beam ! Clean residual mean=-0.000077 rms=0.003004 Jy/beam ! Combined flux in latest and established models = 1.35666 Jy selfcal ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 372 components and 1.35666 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.087537Jy sigma=1.613324 ! Fit after self-cal, rms=0.087360Jy sigma=1.602348 wmodel J1831+2907_S_map.mod ! Writing 372 model components to file: J1831+2907_S_map.mod wobs J1831+2907_S_uvs.fits ! Writing UV FITS file: J1831+2907_S_uvs.fits wwins J1831+2907_S_map.win ! wwins: Wrote 11 windows to J1831+2907_S_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00242571 Jy ! Component: 100 - total flux cleaned = -0.0016375 Jy ! Component: 150 - total flux cleaned = 2.95381e-05 Jy ! Component: 200 - total flux cleaned = 0.00162068 Jy ! Component: 250 - total flux cleaned = 0.00315532 Jy ! Component: 300 - total flux cleaned = 0.00431738 Jy ! Component: 350 - total flux cleaned = 0.00529014 Jy ! Component: 400 - total flux cleaned = 0.00702427 Jy ! Component: 450 - total flux cleaned = 0.00841017 Jy ! Component: 500 - total flux cleaned = 0.0103681 Jy ! Component: 550 - total flux cleaned = 0.0119877 Jy ! Component: 600 - total flux cleaned = 0.0135819 Jy ! Component: 650 - total flux cleaned = 0.0152883 Jy ! Component: 700 - total flux cleaned = 0.0171042 Jy ! Component: 750 - total flux cleaned = 0.018614 Jy ! Component: 800 - total flux cleaned = 0.0202291 Jy ! Component: 850 - total flux cleaned = 0.021292 Jy ! Component: 900 - total flux cleaned = 0.0228604 Jy ! Component: 950 - total flux cleaned = 0.0244037 Jy ! Component: 1000 - total flux cleaned = 0.0259223 Jy ! Component: 1050 - total flux cleaned = 0.0275407 Jy ! Component: 1100 - total flux cleaned = 0.0288873 Jy ! Component: 1150 - total flux cleaned = 0.0302158 Jy ! Component: 1200 - total flux cleaned = 0.0312855 Jy ! Component: 1250 - total flux cleaned = 0.0324588 Jy ! Component: 1300 - total flux cleaned = 0.0338476 Jy ! Component: 1350 - total flux cleaned = 0.0349854 Jy ! Component: 1400 - total flux cleaned = 0.0358876 Jy ! Component: 1450 - total flux cleaned = 0.0372189 Jy ! Component: 1500 - total flux cleaned = 0.0384214 Jy ! Component: 1550 - total flux cleaned = 0.0393896 Jy ! Component: 1600 - total flux cleaned = 0.040241 Jy ! Component: 1650 - total flux cleaned = 0.0411881 Jy ! Component: 1700 - total flux cleaned = 0.0420165 Jy ! Component: 1750 - total flux cleaned = 0.0430391 Jy ! Component: 1800 - total flux cleaned = 0.0436462 Jy ! Component: 1850 - total flux cleaned = 0.0444453 Jy ! Component: 1900 - total flux cleaned = 0.0452354 Jy ! Component: 1950 - total flux cleaned = 0.0458188 Jy ! Component: 2000 - total flux cleaned = 0.0468782 Jy ! Component: 2050 - total flux cleaned = 0.047448 Jy ! Component: 2100 - total flux cleaned = 0.0480111 Jy ! Component: 2150 - total flux cleaned = 0.0488471 Jy ! Component: 2200 - total flux cleaned = 0.0493061 Jy ! Component: 2250 - total flux cleaned = 0.0500339 Jy ! Component: 2300 - total flux cleaned = 0.0508428 Jy ! Component: 2350 - total flux cleaned = 0.0516431 Jy ! Component: 2400 - total flux cleaned = 0.0519061 Jy ! Component: 2450 - total flux cleaned = 0.0529504 Jy ! Component: 2500 - total flux cleaned = 0.0534674 Jy ! Component: 2550 - total flux cleaned = 0.0541489 Jy ! Component: 2600 - total flux cleaned = 0.0546545 Jy ! Component: 2650 - total flux cleaned = 0.0551555 Jy ! Component: 2700 - total flux cleaned = 0.0558171 Jy ! Component: 2750 - total flux cleaned = 0.056554 Jy ! Component: 2800 - total flux cleaned = 0.0572831 Jy ! Component: 2850 - total flux cleaned = 0.0579247 Jy ! Component: 2900 - total flux cleaned = 0.0583227 Jy ! Component: 2950 - total flux cleaned = 0.0588747 Jy ! Component: 3000 - total flux cleaned = 0.0596554 Jy ! Component: 3050 - total flux cleaned = 0.0599652 Jy ! Component: 3100 - total flux cleaned = 0.0610357 Jy ! Component: 3150 - total flux cleaned = 0.0613387 Jy ! Component: 3200 - total flux cleaned = 0.062089 Jy ! Component: 3250 - total flux cleaned = 0.0627565 Jy ! Component: 3300 - total flux cleaned = 0.0631258 Jy ! Component: 3350 - total flux cleaned = 0.0636355 Jy ! Component: 3400 - total flux cleaned = 0.0643569 Jy ! Component: 3450 - total flux cleaned = 0.0647148 Jy ! Component: 3500 - total flux cleaned = 0.0649984 Jy ! Component: 3550 - total flux cleaned = 0.065772 Jy ! Component: 3600 - total flux cleaned = 0.0661209 Jy ! Component: 3650 - total flux cleaned = 0.066743 Jy ! Component: 3700 - total flux cleaned = 0.0669493 Jy ! Component: 3750 - total flux cleaned = 0.0676971 Jy ! Component: 3800 - total flux cleaned = 0.067831 Jy ! Component: 3850 - total flux cleaned = 0.0684305 Jy ! Component: 3900 - total flux cleaned = 0.0687608 Jy ! Component: 3950 - total flux cleaned = 0.0693509 Jy ! Component: 4000 - total flux cleaned = 0.0696103 Jy ! Component: 4050 - total flux cleaned = 0.0701255 Jy ! Total flux subtracted in 4096 components = 0.0702541 Jy ! Clean residual min=-0.003686 max=0.003684 Jy/beam ! Clean residual mean=-0.000029 rms=0.001325 Jy/beam ! Combined flux in latest and established models = 1.42691 Jy keep ! Adding 378 model components to the UV plane model. ! The established model now contains 720 components and 1.42691 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1831+2907_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.655 x 6.726 at -3.77 degrees (North through East) ! Clean map min=-0.0069643 max=0.19422 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1831+2907_S_map.fits wmodel /vlbi/uf001/uva//J1831+2907_S_map.mod ! Writing 720 model components to file: /vlbi/uf001/uva//J1831+2907_S_map.mod wobs /vlbi/uf001/uva//J1831+2907_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1831+2907_S_uvs.fits wwins /vlbi/uf001/uva//J1831+2907_S_map.win ! wwins: Wrote 12 windows to /vlbi/uf001/uva//J1831+2907_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.194217 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00131951 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -2.0382 2.0382 4.07641 8.15282 16.3056 32.6113 65.2225 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0039 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.194 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 147.188 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1831+2907_S_dfm.log closed on Mon Jan 14 04:40:48 2019