! Started logfile: /vlbi/uf001/uva//J0300+8202_S_a_dfm.log on Sun Jan 13 21:37:36 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//J0300+8202_S_a_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0300+8202_S_a_uva.fits ! AN table 1: 146 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.945205 visibilities/baseline/integration-bin. ! Found source: J0300+8202 ! ! 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 18630 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 J0300+8202_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 61 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 61 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 61 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.065225Jy sigma=18.715225 ! Fit after self-cal, rms=0.763294Jy sigma=13.683733 ! 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=3.038 mas, bmaj=3.353 mas, bpa=-39.45 degrees ! Estimated noise=0.577185 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 = 0.169188 Jy ! Component: 100 - total flux cleaned = 0.258466 Jy ! Total flux subtracted in 100 components = 0.258466 Jy ! Clean residual min=-0.022431 max=0.057132 Jy/beam ! Clean residual mean=-0.000431 rms=0.006375 Jy/beam ! Combined flux in latest and established models = 0.258466 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 37 components and 0.258466 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.225853Jy sigma=3.608022 ! Fit after self-cal, rms=0.225303Jy sigma=3.597536 ! Inverting map ! Added new window around map position (-48.5, -122). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0662998 Jy ! Component: 100 - total flux cleaned = 0.116596 Jy ! Total flux subtracted in 100 components = 0.116596 Jy ! Clean residual min=-0.016714 max=0.031796 Jy/beam ! Clean residual mean=-0.000340 rms=0.004940 Jy/beam ! Combined flux in latest and established models = 0.375061 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 54 components and 0.375061 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.182266Jy sigma=2.889191 ! Fit after self-cal, rms=0.181620Jy sigma=2.876107 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0429589 Jy ! Component: 100 - total flux cleaned = 0.0775711 Jy ! Total flux subtracted in 100 components = 0.0775711 Jy ! Clean residual min=-0.013827 max=0.025502 Jy/beam ! Clean residual mean=-0.000288 rms=0.004176 Jy/beam ! Combined flux in latest and established models = 0.452633 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 70 components and 0.452632 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.157753Jy sigma=2.495269 ! Fit after self-cal, rms=0.157434Jy sigma=2.488480 ! Inverting map ! Added new window around map position (-4.5, -3.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0325801 Jy ! Component: 100 - total flux cleaned = 0.0595894 Jy ! Total flux subtracted in 100 components = 0.0595894 Jy ! Clean residual min=-0.011826 max=0.021355 Jy/beam ! Clean residual mean=-0.000241 rms=0.003625 Jy/beam ! Combined flux in latest and established models = 0.512222 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 94 components and 0.512222 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.141486Jy sigma=2.241495 ! Fit after self-cal, rms=0.141166Jy sigma=2.233903 ! 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=3.905 mas, bmaj=4.174 mas, bpa=-35.89 degrees ! Estimated noise=0.30002 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 (4, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0447458 Jy ! Component: 100 - total flux cleaned = 0.0806646 Jy ! Component: 150 - total flux cleaned = 0.110685 Jy ! Component: 200 - total flux cleaned = 0.136032 Jy ! Total flux subtracted in 200 components = 0.136032 Jy ! Clean residual min=-0.014125 max=0.026904 Jy/beam ! Clean residual mean=-0.000417 rms=0.004388 Jy/beam ! Combined flux in latest and established models = 0.648254 Jy ! Performing phase self-cal ! Adding 83 model components to the UV plane model. ! The established model now contains 163 components and 0.648254 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.111933Jy sigma=1.801864 ! Fit after self-cal, rms=0.111325Jy sigma=1.788539 ! Inverting map ! Added new window around map position (-5.5, -11.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0293842 Jy ! Component: 100 - total flux cleaned = 0.051547 Jy ! Component: 150 - total flux cleaned = 0.0706952 Jy ! Component: 200 - total flux cleaned = 0.0874522 Jy ! Total flux subtracted in 200 components = 0.0874522 Jy ! Clean residual min=-0.012083 max=0.021979 Jy/beam ! Clean residual mean=-0.000239 rms=0.003433 Jy/beam ! Combined flux in latest and established models = 0.735706 Jy ! Performing phase self-cal ! Adding 82 model components to the UV plane model. ! The established model now contains 222 components and 0.735706 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.096473Jy sigma=1.571232 ! Fit after self-cal, rms=0.096013Jy sigma=1.562471 ! Inverting map ! Added new window around map position (-42.5, -118). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0226846 Jy ! Component: 100 - total flux cleaned = 0.0389072 Jy ! Component: 150 - total flux cleaned = 0.0530003 Jy ! Component: 200 - total flux cleaned = 0.0656065 Jy ! Total flux subtracted in 200 components = 0.0656065 Jy ! Clean residual min=-0.010509 max=0.010589 Jy/beam ! Clean residual mean=-0.000216 rms=0.002681 Jy/beam ! Combined flux in latest and established models = 0.801313 Jy ! Performing phase self-cal ! Adding 88 model components to the UV plane model. ! The established model now contains 286 components and 0.801313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.086411Jy sigma=1.422762 ! Fit after self-cal, rms=0.086055Jy sigma=1.416682 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.905 x 4.174 at -35.89 degrees (North through East) ! Clean map min=-0.01011 max=0.21799 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 HN 1.03 KP 0.97 ! LA 0.84 MK 1.05 NL 1.09 OV 1.02 ! PT 1.00 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.95 HN 1.03 KP 0.97 ! LA 0.87 MK 1.11 NL 1.04 OV 0.98 ! PT 1.00 SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.97 HN 1.05 KP 0.97 ! LA 0.89 MK 1.08 NL 1.02 OV 1.01 ! PT 1.01 SC 1.02 ! ! ! Fit before self-cal, rms=0.086055Jy sigma=1.416682 ! Fit after self-cal, rms=0.075323Jy sigma=1.284636 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.99 mas, bmaj=4.264 mas, bpa=-36.14 degrees ! Estimated noise=0.299604 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 (-42, -107.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0106017 Jy ! Component: 100 - total flux cleaned = 0.0185062 Jy ! Component: 150 - total flux cleaned = 0.0252578 Jy ! Component: 200 - total flux cleaned = 0.0312071 Jy ! Total flux subtracted in 200 components = 0.0312071 Jy ! Clean residual min=-0.005126 max=0.007117 Jy/beam ! Clean residual mean=0.000019 rms=0.001575 Jy/beam ! Combined flux in latest and established models = 0.83252 Jy ! Performing phase self-cal ! Adding 72 model components to the UV plane model. ! The established model now contains 348 components and 0.83252 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.072988Jy sigma=1.242528 ! Fit after self-cal, rms=0.072880Jy sigma=1.240479 ! 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=0.072880Jy sigma=1.240479 ! Fit after self-cal, rms=0.072189Jy sigma=1.220775 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.977 mas, bmaj=4.231 mas, bpa=-37.61 degrees ! Estimated noise=0.298908 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00563781 Jy ! Component: 100 - total flux cleaned = 0.0103248 Jy ! Component: 150 - total flux cleaned = 0.0143036 Jy ! Component: 200 - total flux cleaned = 0.0175904 Jy ! Total flux subtracted in 200 components = 0.0175904 Jy ! Clean residual min=-0.004477 max=0.005931 Jy/beam ! Clean residual mean=0.000023 rms=0.001272 Jy/beam ! Combined flux in latest and established models = 0.850111 Jy selfcal ! Performing phase self-cal ! Adding 60 model components to the UV plane model. ! The established model now contains 378 components and 0.850111 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071378Jy sigma=1.206611 ! Fit after self-cal, rms=0.071361Jy sigma=1.206115 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 (5.5, -12.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00483482 Jy ! Component: 100 - total flux cleaned = 0.00779643 Jy ! Component: 150 - total flux cleaned = 0.0106029 Jy ! Component: 200 - total flux cleaned = 0.0131655 Jy ! Total flux subtracted in 200 components = 0.0131655 Jy ! Clean residual min=-0.004067 max=0.005211 Jy/beam ! Clean residual mean=0.000034 rms=0.001152 Jy/beam ! Combined flux in latest and established models = 0.863276 Jy ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 405 components and 0.863276 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070734Jy sigma=1.194793 ! Fit after self-cal, rms=0.070686Jy sigma=1.194087 ! Inverting map ! Added new window around map position (-51, -116.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00509236 Jy ! Component: 100 - total flux cleaned = 0.00797093 Jy ! Component: 150 - total flux cleaned = 0.010055 Jy ! Component: 200 - total flux cleaned = 0.0116591 Jy ! Total flux subtracted in 200 components = 0.0116591 Jy ! Clean residual min=-0.003630 max=0.004408 Jy/beam ! Clean residual mean=0.000028 rms=0.001050 Jy/beam ! Combined flux in latest and established models = 0.874935 Jy ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 437 components and 0.874935 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070174Jy sigma=1.184980 ! Fit after self-cal, rms=0.070154Jy sigma=1.184641 ! 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=0.070154Jy sigma=1.184641 ! Fit after self-cal, rms=0.069911Jy sigma=1.181989 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.973 mas, bmaj=4.23 mas, bpa=-37.55 degrees ! Estimated noise=0.298392 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00331513 Jy ! Component: 100 - total flux cleaned = 0.0061799 Jy ! Component: 150 - total flux cleaned = 0.00837851 Jy ! Component: 200 - total flux cleaned = 0.010129 Jy ! Total flux subtracted in 200 components = 0.010129 Jy ! Clean residual min=-0.003171 max=0.004503 Jy/beam ! Clean residual mean=0.000020 rms=0.000953 Jy/beam ! Combined flux in latest and established models = 0.885064 Jy selfcal ! Performing phase self-cal ! Adding 63 model components to the UV plane model. ! The established model now contains 463 components and 0.885064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069600Jy sigma=1.176484 ! Fit after self-cal, rms=0.069590Jy sigma=1.176354 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 (-14, -9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00415058 Jy ! Component: 100 - total flux cleaned = 0.00606039 Jy ! Component: 150 - total flux cleaned = 0.0075126 Jy ! Component: 200 - total flux cleaned = 0.0087016 Jy ! Total flux subtracted in 200 components = 0.0087016 Jy ! Clean residual min=-0.003045 max=0.003887 Jy/beam ! Clean residual mean=0.000028 rms=0.000863 Jy/beam ! Combined flux in latest and established models = 0.893766 Jy ! Performing phase self-cal ! Adding 59 model components to the UV plane model. ! The established model now contains 498 components and 0.893766 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069270Jy sigma=1.170029 ! Fit after self-cal, rms=0.069236Jy sigma=1.169735 ! Inverting map ! Added new window around map position (-43, -96). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00410662 Jy ! Component: 100 - total flux cleaned = 0.00682607 Jy ! Component: 150 - total flux cleaned = 0.00913709 Jy ! Component: 200 - total flux cleaned = 0.0110681 Jy ! Total flux subtracted in 200 components = 0.0110681 Jy ! Clean residual min=-0.003114 max=0.003202 Jy/beam ! Clean residual mean=0.000018 rms=0.000758 Jy/beam ! Combined flux in latest and established models = 0.904834 Jy ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 536 components and 0.904834 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068910Jy sigma=1.163504 ! Fit after self-cal, rms=0.068895Jy sigma=1.163336 ! 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=0.068895Jy sigma=1.163336 ! Fit after self-cal, rms=0.068895Jy sigma=1.162040 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.321 mas, bmaj=8.735 mas, bpa=-39.21 degrees ! Estimated noise=0.390783 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00469924 Jy ! Component: 100 - total flux cleaned = 0.00862162 Jy ! Component: 150 - total flux cleaned = 0.0120134 Jy ! Component: 200 - total flux cleaned = 0.0149888 Jy ! Total flux subtracted in 200 components = 0.0149888 Jy ! Clean residual min=-0.003925 max=0.004000 Jy/beam ! Clean residual mean=0.000027 rms=0.001143 Jy/beam ! Combined flux in latest and established models = 0.919823 Jy selfcal ! Performing phase self-cal ! Adding 79 model components to the UV plane model. ! The established model now contains 586 components and 0.919823 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068663Jy sigma=1.157671 ! Fit after self-cal, rms=0.068647Jy sigma=1.157440 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 = 0.00289652 Jy ! Component: 100 - total flux cleaned = 0.00540927 Jy ! Component: 150 - total flux cleaned = 0.00728647 Jy ! Component: 200 - total flux cleaned = 0.00857603 Jy ! Total flux subtracted in 200 components = 0.00857603 Jy ! Clean residual min=-0.003422 max=0.003577 Jy/beam ! Clean residual mean=0.000033 rms=0.001027 Jy/beam ! Combined flux in latest and established models = 0.928399 Jy ! Performing phase self-cal ! Adding 70 model components to the UV plane model. ! The established model now contains 619 components and 0.928399 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068570Jy sigma=1.155976 ! Fit after self-cal, rms=0.068560Jy sigma=1.155863 ! 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=3.979 mas, bmaj=4.228 mas, bpa=-36.54 degrees ! Estimated noise=0.29824 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.979 x 4.228 at -36.54 degrees (North through East) ! Clean map min=-0.0025933 max=0.21452 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=3.087 mas, bmaj=3.39 mas, bpa=-39.89 degrees ! Estimated noise=0.58111 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.166539 Jy ! Component: 100 - total flux cleaned = 0.258624 Jy ! Component: 150 - total flux cleaned = 0.325376 Jy ! Component: 200 - total flux cleaned = 0.377295 Jy ! Total flux subtracted in 200 components = 0.377295 Jy ! Clean residual min=-0.016240 max=0.031004 Jy/beam ! Clean residual mean=-0.000315 rms=0.004823 Jy/beam ! Combined flux in latest and established models = 0.377295 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 58 model components to the UV plane model. ! The established model now contains 58 components and 0.377295 Jy ! Inverting map and beam ! Estimated beam: bmin=3.979 mas, bmaj=4.228 mas, bpa=-36.54 degrees ! Estimated noise=0.29824 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 = 0.0707733 Jy ! Component: 100 - total flux cleaned = 0.124159 Jy ! Component: 150 - total flux cleaned = 0.166929 Jy ! Component: 200 - total flux cleaned = 0.202675 Jy ! Total flux subtracted in 200 components = 0.202675 Jy ! Clean residual min=-0.014582 max=0.022024 Jy/beam ! Clean residual mean=-0.000403 rms=0.004459 Jy/beam ! Combined flux in latest and established models = 0.57997 Jy ! Adding 121 model components to the UV plane model. ! The established model now contains 164 components and 0.57997 Jy ! Inverting map ! Added new window around map position (-3.5, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0306197 Jy ! Component: 100 - total flux cleaned = 0.0570964 Jy ! Component: 150 - total flux cleaned = 0.0801658 Jy ! Component: 200 - total flux cleaned = 0.100492 Jy ! Total flux subtracted in 200 components = 0.100492 Jy ! Clean residual min=-0.009846 max=0.012735 Jy/beam ! Clean residual mean=-0.000222 rms=0.003030 Jy/beam ! Combined flux in latest and established models = 0.680462 Jy ! Adding 108 model components to the UV plane model. ! The established model now contains 257 components and 0.680462 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=8.321 mas, bmaj=8.735 mas, bpa=-39.21 degrees ! Estimated noise=0.390783 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0363236 Jy ! Component: 100 - total flux cleaned = 0.0648076 Jy ! Component: 150 - total flux cleaned = 0.0881712 Jy ! Component: 200 - total flux cleaned = 0.107686 Jy ! Total flux subtracted in 200 components = 0.107686 Jy ! Clean residual min=-0.011384 max=0.012584 Jy/beam ! Clean residual mean=-0.000215 rms=0.003652 Jy/beam ! Combined flux in latest and established models = 0.788148 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 = 0.0165447 Jy ! Component: 100 - total flux cleaned = 0.030771 Jy ! Component: 150 - total flux cleaned = 0.0431908 Jy ! Component: 200 - total flux cleaned = 0.0541159 Jy ! Total flux subtracted in 200 components = 0.0541159 Jy ! Clean residual min=-0.007734 max=0.009682 Jy/beam ! Clean residual mean=-0.000126 rms=0.002475 Jy/beam ! Combined flux in latest and established models = 0.842264 Jy ! Adding 270 model components to the UV plane model. ! The established model now contains 498 components and 0.842264 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.979 mas, bmaj=4.228 mas, bpa=-36.54 degrees ! Estimated noise=0.29824 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00813973 Jy ! Component: 100 - total flux cleaned = 0.0145624 Jy ! Component: 150 - total flux cleaned = 0.0202751 Jy ! Component: 200 - total flux cleaned = 0.0254688 Jy ! Total flux subtracted in 200 components = 0.0254688 Jy ! Clean residual min=-0.004221 max=0.004278 Jy/beam ! Clean residual mean=-0.000020 rms=0.001073 Jy/beam ! Combined flux in latest and established models = 0.867733 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 537 components and 0.867733 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070755Jy sigma=1.193537 ! Fit after self-cal, rms=0.070641Jy sigma=1.190704 wmodel J0300+8202_S_a_map.mod ! Writing 537 model components to file: J0300+8202_S_a_map.mod wobs J0300+8202_S_a_uvs.fits ! Writing UV FITS file: J0300+8202_S_a_uvs.fits wwins J0300+8202_S_a_map.win ! wwins: Wrote 12 windows to J0300+8202_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 = 0.00198597 Jy ! Component: 100 - total flux cleaned = 0.00235477 Jy ! Component: 150 - total flux cleaned = 0.00215466 Jy ! Component: 200 - total flux cleaned = 0.00215421 Jy ! Component: 250 - total flux cleaned = 0.0022171 Jy ! Component: 300 - total flux cleaned = 0.00221761 Jy ! Component: 350 - total flux cleaned = 0.00245412 Jy ! Component: 400 - total flux cleaned = 0.00251168 Jy ! Component: 450 - total flux cleaned = 0.00279533 Jy ! Component: 500 - total flux cleaned = 0.00301743 Jy ! Component: 550 - total flux cleaned = 0.00323377 Jy ! Component: 600 - total flux cleaned = 0.00323364 Jy ! Component: 650 - total flux cleaned = 0.0033911 Jy ! Component: 700 - total flux cleaned = 0.0035958 Jy ! Component: 750 - total flux cleaned = 0.00379673 Jy ! Component: 800 - total flux cleaned = 0.00409061 Jy ! Component: 850 - total flux cleaned = 0.00428367 Jy ! Component: 900 - total flux cleaned = 0.00442585 Jy ! Component: 950 - total flux cleaned = 0.00461281 Jy ! Component: 1000 - total flux cleaned = 0.00470406 Jy ! Component: 1050 - total flux cleaned = 0.00484113 Jy ! Component: 1100 - total flux cleaned = 0.0050648 Jy ! Component: 1150 - total flux cleaned = 0.00515243 Jy ! Component: 1200 - total flux cleaned = 0.00536971 Jy ! Component: 1250 - total flux cleaned = 0.00553985 Jy ! Component: 1300 - total flux cleaned = 0.00575005 Jy ! Component: 1350 - total flux cleaned = 0.00591616 Jy ! Component: 1400 - total flux cleaned = 0.00616033 Jy ! Component: 1450 - total flux cleaned = 0.00636217 Jy ! Component: 1500 - total flux cleaned = 0.00656143 Jy ! Component: 1550 - total flux cleaned = 0.00671795 Jy ! Component: 1600 - total flux cleaned = 0.00702656 Jy ! Component: 1650 - total flux cleaned = 0.00713997 Jy ! Component: 1700 - total flux cleaned = 0.00721485 Jy ! Component: 1750 - total flux cleaned = 0.007437 Jy ! Component: 1800 - total flux cleaned = 0.00762123 Jy ! Component: 1850 - total flux cleaned = 0.00787441 Jy ! Component: 1900 - total flux cleaned = 0.00787488 Jy ! Component: 1950 - total flux cleaned = 0.00808609 Jy ! Component: 2000 - total flux cleaned = 0.00826045 Jy ! Component: 2050 - total flux cleaned = 0.00850098 Jy ! Component: 2100 - total flux cleaned = 0.0085693 Jy ! Component: 2150 - total flux cleaned = 0.00877055 Jy ! Component: 2200 - total flux cleaned = 0.00896969 Jy ! Component: 2250 - total flux cleaned = 0.00913334 Jy ! Component: 2300 - total flux cleaned = 0.00932718 Jy ! Component: 2350 - total flux cleaned = 0.00948712 Jy ! Component: 2400 - total flux cleaned = 0.00967722 Jy ! Component: 2450 - total flux cleaned = 0.00986464 Jy ! Component: 2500 - total flux cleaned = 0.0100191 Jy ! Component: 2550 - total flux cleaned = 0.0102326 Jy ! Component: 2600 - total flux cleaned = 0.0103234 Jy ! Component: 2650 - total flux cleaned = 0.0105328 Jy ! Component: 2700 - total flux cleaned = 0.0106812 Jy ! Component: 2750 - total flux cleaned = 0.0108572 Jy ! Component: 2800 - total flux cleaned = 0.0110598 Jy ! Component: 2850 - total flux cleaned = 0.0111172 Jy ! Component: 2900 - total flux cleaned = 0.0113161 Jy ! Component: 2950 - total flux cleaned = 0.0113727 Jy ! Component: 3000 - total flux cleaned = 0.0115956 Jy ! Component: 3050 - total flux cleaned = 0.0115958 Jy ! Component: 3100 - total flux cleaned = 0.0117599 Jy ! Component: 3150 - total flux cleaned = 0.0119219 Jy ! Component: 3200 - total flux cleaned = 0.0120825 Jy ! Component: 3250 - total flux cleaned = 0.0122682 Jy ! Component: 3300 - total flux cleaned = 0.0122942 Jy ! Component: 3350 - total flux cleaned = 0.0124506 Jy ! Component: 3400 - total flux cleaned = 0.0125025 Jy ! Component: 3450 - total flux cleaned = 0.0126819 Jy ! Component: 3500 - total flux cleaned = 0.0127833 Jy ! Component: 3550 - total flux cleaned = 0.012859 Jy ! Component: 3600 - total flux cleaned = 0.0129839 Jy ! Component: 3650 - total flux cleaned = 0.0130831 Jy ! Component: 3700 - total flux cleaned = 0.0132057 Jy ! Component: 3750 - total flux cleaned = 0.0134009 Jy ! Component: 3800 - total flux cleaned = 0.0135212 Jy ! Component: 3850 - total flux cleaned = 0.0136172 Jy ! Component: 3900 - total flux cleaned = 0.0137354 Jy ! Component: 3950 - total flux cleaned = 0.0138531 Jy ! Component: 4000 - total flux cleaned = 0.0139701 Jy ! Component: 4050 - total flux cleaned = 0.0139932 Jy ! Total flux subtracted in 4096 components = 0.0141775 Jy ! Clean residual min=-0.001190 max=0.001218 Jy/beam ! Clean residual mean=-0.000002 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.881911 Jy keep ! Adding 354 model components to the UV plane model. ! The established model now contains 873 components and 0.88191 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0300+8202_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.979 x 4.228 at -36.54 degrees (North through East) ! Clean map min=-0.0025338 max=0.22064 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0300+8202_S_a_map.fits wmodel /vlbi/uf001/uva//J0300+8202_S_a_map.mod ! Writing 873 model components to file: /vlbi/uf001/uva//J0300+8202_S_a_map.mod wobs /vlbi/uf001/uva//J0300+8202_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0300+8202_S_a_uvs.fits wwins /vlbi/uf001/uva//J0300+8202_S_a_map.win ! wwins: Wrote 13 windows to /vlbi/uf001/uva//J0300+8202_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.220642 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000442293 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.601371 0.601371 1.20274 2.40548 4.81097 9.62194 19.2439 38.4877 76.9755 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.22 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 498.86 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0300+8202_S_a_dfm.log closed on Sun Jan 13 21:37:42 2019