! Started logfile: /vlbi/uf001/uvm//J1641+2257_S_a_dfm.log on Sun Jan 13 22:03:06 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//J1641+2257_S_a_uvm.fits ! Reading UV FITS file: /vlbi/uf001/uvm//J1641+2257_S_a_uvm.fits ! AN table 1: 4 integrations on 36 of 36 possible baselines. ! AN table 2: 28 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.782051 visibilities/baseline/integration-bin. ! Found source: J1641+2257 ! ! 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 3294 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 J1641+2257_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 13 telescope corrections were flagged in sub-array 1. ! A total of 33 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 33 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 33 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.124763Jy sigma=20.750555 ! Fit after self-cal, rms=0.493362Jy sigma=8.988552 ! 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=2.887 mas, bmaj=6.27 mas, bpa=-7.302 degrees ! Estimated noise=0.828513 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 = 0.393601 Jy ! Component: 100 - total flux cleaned = 0.481346 Jy ! Total flux subtracted in 100 components = 0.481346 Jy ! Clean residual min=-0.010419 max=0.029976 Jy/beam ! Clean residual mean=-0.000049 rms=0.002409 Jy/beam ! Combined flux in latest and established models = 0.481346 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.481346 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.090160Jy sigma=1.608654 ! Fit after self-cal, rms=0.090157Jy sigma=1.608555 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0310096 Jy ! Component: 100 - total flux cleaned = 0.0455297 Jy ! Total flux subtracted in 100 components = 0.0455297 Jy ! Clean residual min=-0.008474 max=0.011205 Jy/beam ! Clean residual mean=-0.000039 rms=0.001870 Jy/beam ! Combined flux in latest and established models = 0.526875 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 23 components and 0.526875 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.077381Jy sigma=1.362716 ! Fit after self-cal, rms=0.077368Jy sigma=1.362429 ! Inverting map ! Added new window around map position (-8.5, -8.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0109949 Jy ! Component: 100 - total flux cleaned = 0.0183183 Jy ! Total flux subtracted in 100 components = 0.0183183 Jy ! Clean residual min=-0.007794 max=0.009024 Jy/beam ! Clean residual mean=-0.000036 rms=0.001771 Jy/beam ! Combined flux in latest and established models = 0.545194 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 35 components and 0.545194 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075280Jy sigma=1.319112 ! Fit after self-cal, rms=0.075207Jy sigma=1.317451 ! 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=3.446 mas, bmaj=7.147 mas, bpa=-6.123 degrees ! Estimated noise=0.697352 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00867995 Jy ! Component: 100 - total flux cleaned = 0.0143667 Jy ! Component: 150 - total flux cleaned = 0.0183382 Jy ! Component: 200 - total flux cleaned = 0.0198412 Jy ! Total flux subtracted in 200 components = 0.0198412 Jy ! Clean residual min=-0.008225 max=0.008245 Jy/beam ! Clean residual mean=-0.000021 rms=0.001795 Jy/beam ! Combined flux in latest and established models = 0.565035 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 61 components and 0.565035 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.074069Jy sigma=1.293360 ! Fit after self-cal, rms=0.074043Jy sigma=1.292682 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.446 x 7.147 at -6.123 degrees (North through East) ! Clean map min=-0.0080543 max=0.50899 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.04 HN 1.00 KP 1.05 ! LA 1.06 NL 1.04 OV 1.07 PT 1.08 ! SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.93 HN 0.99 KP 1.02 ! LA 0.92 MK 1.01 NL 1.04 OV 1.01 ! PT 1.01 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.06 HN 1.02 KP 1.11 ! LA 1.02 NL 0.98 OV 1.05 PT 0.97 ! SC 0.90 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.92 HN 0.99 KP 1.02 ! LA 0.91 MK 1.03 NL 1.07 OV 0.99 ! PT 1.01 SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.07 HN 1.01 KP 1.01 ! LA 1.03 NL 0.99 OV 1.03 PT 0.91 ! SC 0.90 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.94 HN 0.98 KP 1.01 ! LA 0.91 MK 1.02 NL 1.09 OV 0.99 ! PT 1.02 SC 1.04 ! ! ! Fit before self-cal, rms=0.074043Jy sigma=1.292682 ! Fit after self-cal, rms=0.066036Jy sigma=1.135519 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.468 mas, bmaj=7.179 mas, bpa=-6 degrees ! Estimated noise=0.698029 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00455056 Jy ! Component: 100 - total flux cleaned = -0.00549848 Jy ! Component: 150 - total flux cleaned = -0.00638926 Jy ! Component: 200 - total flux cleaned = -0.00686777 Jy ! Total flux subtracted in 200 components = -0.00686777 Jy ! Clean residual min=-0.005082 max=0.004613 Jy/beam ! Clean residual mean=0.000010 rms=0.001143 Jy/beam ! Combined flux in latest and established models = 0.558167 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 85 components and 0.558167 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065641Jy sigma=1.127852 ! Fit after self-cal, rms=0.065618Jy sigma=1.127231 ! 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=0.065618Jy sigma=1.127231 ! Fit after self-cal, rms=0.060011Jy sigma=1.013738 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.465 mas, bmaj=7.225 mas, bpa=-6.195 degrees ! Estimated noise=0.6988 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00345334 Jy ! Component: 100 - total flux cleaned = -0.0038726 Jy ! Component: 150 - total flux cleaned = -0.00400402 Jy ! Component: 200 - total flux cleaned = -0.0040641 Jy ! Total flux subtracted in 200 components = -0.0040641 Jy ! Clean residual min=-0.003437 max=0.004174 Jy/beam ! Clean residual mean=0.000006 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 0.554103 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 95 components and 0.554103 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059766Jy sigma=1.009161 ! Fit after self-cal, rms=0.059757Jy sigma=1.008785 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, -22.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00397643 Jy ! Component: 100 - total flux cleaned = 0.00594279 Jy ! Component: 150 - total flux cleaned = 0.0064245 Jy ! Component: 200 - total flux cleaned = 0.00685093 Jy ! Total flux subtracted in 200 components = 0.00685093 Jy ! Clean residual min=-0.003227 max=0.003037 Jy/beam ! Clean residual mean=0.000004 rms=0.000731 Jy/beam ! Combined flux in latest and established models = 0.560954 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 116 components and 0.560954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059457Jy sigma=1.002972 ! Fit after self-cal, rms=0.059453Jy sigma=1.002751 ! 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=0.059453Jy sigma=1.002751 ! Fit after self-cal, rms=0.059184Jy sigma=0.996815 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.466 mas, bmaj=7.232 mas, bpa=-6.202 degrees ! Estimated noise=0.697866 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00111426 Jy ! Component: 100 - total flux cleaned = -0.00106451 Jy ! Component: 150 - total flux cleaned = -0.000844506 Jy ! Component: 200 - total flux cleaned = -0.00074355 Jy ! Total flux subtracted in 200 components = -0.00074355 Jy ! Clean residual min=-0.003287 max=0.002815 Jy/beam ! Clean residual mean=0.000003 rms=0.000687 Jy/beam ! Combined flux in latest and established models = 0.56021 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 125 components and 0.560211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059060Jy sigma=0.994484 ! Fit after self-cal, rms=0.059055Jy sigma=0.994410 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 = -2.03951e-05 Jy ! Component: 100 - total flux cleaned = 0.000119036 Jy ! Component: 150 - total flux cleaned = 0.000294194 Jy ! Component: 200 - total flux cleaned = 0.000418161 Jy ! Total flux subtracted in 200 components = 0.000418161 Jy ! Clean residual min=-0.003254 max=0.002810 Jy/beam ! Clean residual mean=0.000003 rms=0.000682 Jy/beam ! Combined flux in latest and established models = 0.560629 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 129 components and 0.560629 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058996Jy sigma=0.993270 ! Fit after self-cal, rms=0.058994Jy sigma=0.993257 ! 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=0.058994Jy sigma=0.993257 ! Fit after self-cal, rms=0.058971Jy sigma=0.992836 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.499 mas, bmaj=10.48 mas, bpa=-5.023 degrees ! Estimated noise=0.864153 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000103392 Jy ! Component: 100 - total flux cleaned = 6.45515e-05 Jy ! Component: 150 - total flux cleaned = 6.48551e-05 Jy ! Component: 200 - total flux cleaned = 9.05358e-05 Jy ! Total flux subtracted in 200 components = 9.05358e-05 Jy ! Clean residual min=-0.003346 max=0.002635 Jy/beam ! Clean residual mean=0.000006 rms=0.000855 Jy/beam ! Combined flux in latest and established models = 0.560719 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 145 components and 0.560719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058945Jy sigma=0.992436 ! Fit after self-cal, rms=0.058943Jy sigma=0.992379 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.30755e-05 Jy ! Component: 100 - total flux cleaned = 7.54458e-05 Jy ! Component: 150 - total flux cleaned = 7.47386e-05 Jy ! Component: 200 - total flux cleaned = 4.09161e-05 Jy ! Total flux subtracted in 200 components = 4.09161e-05 Jy ! Clean residual min=-0.003311 max=0.002637 Jy/beam ! Clean residual mean=0.000006 rms=0.000853 Jy/beam ! Combined flux in latest and established models = 0.56076 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 149 components and 0.56076 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.058939Jy sigma=0.992345 ! Fit after self-cal, rms=0.058939Jy sigma=0.992321 ! 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=3.467 mas, bmaj=7.24 mas, bpa=-6.213 degrees ! Estimated noise=0.697255 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.467 x 7.24 at -6.213 degrees (North through East) ! Clean map min=-0.0032378 max=0.51 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=0.058939Jy sigma=0.992321 ! Fit after self-cal, rms=0.055717Jy sigma=0.925732 ! Inverting map and beam ! Estimated beam: bmin=3.468 mas, bmaj=7.244 mas, bpa=-6.22 degrees ! Estimated noise=0.696927 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0010124 Jy ! Component: 100 - total flux cleaned = -0.00118974 Jy ! Component: 150 - total flux cleaned = -0.00126956 Jy ! Component: 200 - total flux cleaned = -0.00119592 Jy ! Total flux subtracted in 200 components = -0.00119592 Jy ! Clean residual min=-0.003306 max=0.002635 Jy/beam ! Clean residual mean=-0.000000 rms=0.000662 Jy/beam ! Combined flux in latest and established models = 0.559564 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 162 components and 0.559564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055659Jy sigma=0.924528 ! Fit after self-cal, rms=0.055657Jy sigma=0.924505 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.37286e-05 Jy ! Component: 100 - total flux cleaned = 1.8342e-05 Jy ! Component: 150 - total flux cleaned = 8.23873e-05 Jy ! Component: 200 - total flux cleaned = 0.000143652 Jy ! Total flux subtracted in 200 components = 0.000143652 Jy ! Clean residual min=-0.003287 max=0.002659 Jy/beam ! Clean residual mean=-0.000000 rms=0.000660 Jy/beam ! Combined flux in latest and established models = 0.559708 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 168 components and 0.559708 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055622Jy sigma=0.923856 ! Fit after self-cal, rms=0.055622Jy sigma=0.923849 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055622Jy sigma=0.923849 ! Fit after self-cal, rms=0.055612Jy sigma=0.923686 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=2.897 mas, bmaj=6.349 mas, bpa=-7.385 degrees ! Estimated noise=0.83169 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.395071 Jy ! Component: 100 - total flux cleaned = 0.481896 Jy ! Component: 150 - total flux cleaned = 0.509455 Jy ! Component: 200 - total flux cleaned = 0.522354 Jy ! Total flux subtracted in 200 components = 0.522354 Jy ! Clean residual min=-0.003715 max=0.006330 Jy/beam ! Clean residual mean=-0.000003 rms=0.000924 Jy/beam ! Combined flux in latest and established models = 0.522354 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.522354 Jy ! Inverting map and beam ! Estimated beam: bmin=3.467 mas, bmaj=7.249 mas, bpa=-6.229 degrees ! Estimated noise=0.696506 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 = 0.00978889 Jy ! Component: 100 - total flux cleaned = 0.0154923 Jy ! Component: 150 - total flux cleaned = 0.0197651 Jy ! Component: 200 - total flux cleaned = 0.0232236 Jy ! Total flux subtracted in 200 components = 0.0232236 Jy ! Clean residual min=-0.002905 max=0.002823 Jy/beam ! Clean residual mean=0.000000 rms=0.000707 Jy/beam ! Combined flux in latest and established models = 0.545577 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 54 components and 0.545577 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=7.499 mas, bmaj=10.49 mas, bpa=-5.013 degrees ! Estimated noise=0.862967 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00385719 Jy ! Component: 100 - total flux cleaned = 0.0065516 Jy ! Component: 150 - total flux cleaned = 0.00852773 Jy ! Component: 200 - total flux cleaned = 0.0100059 Jy ! Total flux subtracted in 200 components = 0.0100059 Jy ! Clean residual min=-0.003311 max=0.002507 Jy/beam ! Clean residual mean=-0.000000 rms=0.000835 Jy/beam ! Combined flux in latest and established models = 0.555583 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 = 0.00112365 Jy ! Component: 100 - total flux cleaned = 0.00189125 Jy ! Component: 150 - total flux cleaned = 0.00228573 Jy ! Component: 200 - total flux cleaned = 0.00259612 Jy ! Total flux subtracted in 200 components = 0.00259612 Jy ! Clean residual min=-0.003382 max=0.002535 Jy/beam ! Clean residual mean=-0.000000 rms=0.000834 Jy/beam ! Combined flux in latest and established models = 0.558179 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 110 components and 0.558179 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.467 mas, bmaj=7.249 mas, bpa=-6.229 degrees ! Estimated noise=0.696506 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000157251 Jy ! Component: 100 - total flux cleaned = -0.000223904 Jy ! Component: 150 - total flux cleaned = -0.000223313 Jy ! Component: 200 - total flux cleaned = -0.000121143 Jy ! Total flux subtracted in 200 components = -0.000121143 Jy ! Clean residual min=-0.003226 max=0.002831 Jy/beam ! Clean residual mean=0.000000 rms=0.000661 Jy/beam ! Combined flux in latest and established models = 0.558058 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 125 components and 0.558058 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055727Jy sigma=0.925293 ! Fit after self-cal, rms=0.055702Jy sigma=0.924894 wmodel J1641+2257_S_a_map.mod ! Writing 125 model components to file: J1641+2257_S_a_map.mod wobs J1641+2257_S_a_uvs.fits ! Writing UV FITS file: J1641+2257_S_a_uvs.fits wwins J1641+2257_S_a_map.win ! wwins: Wrote 3 windows to J1641+2257_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 = -0.000224422 Jy ! Component: 100 - total flux cleaned = -3.56329e-05 Jy ! Component: 150 - total flux cleaned = 0.000233872 Jy ! Component: 200 - total flux cleaned = 0.000493613 Jy ! Component: 250 - total flux cleaned = 0.00091151 Jy ! Component: 300 - total flux cleaned = 0.00119514 Jy ! Component: 350 - total flux cleaned = 0.00139356 Jy ! Component: 400 - total flux cleaned = 0.00154944 Jy ! Component: 450 - total flux cleaned = 0.00162609 Jy ! Component: 500 - total flux cleaned = 0.00170202 Jy ! Component: 550 - total flux cleaned = 0.00181318 Jy ! Component: 600 - total flux cleaned = 0.00199546 Jy ! Component: 650 - total flux cleaned = 0.00203108 Jy ! Component: 700 - total flux cleaned = 0.00210209 Jy ! Component: 750 - total flux cleaned = 0.00203202 Jy ! Component: 800 - total flux cleaned = 0.00213689 Jy ! Component: 850 - total flux cleaned = 0.00227463 Jy ! Component: 900 - total flux cleaned = 0.00234285 Jy ! Component: 950 - total flux cleaned = 0.00230887 Jy ! Component: 1000 - total flux cleaned = 0.00237638 Jy ! Component: 1050 - total flux cleaned = 0.00240946 Jy ! Component: 1100 - total flux cleaned = 0.00231104 Jy ! Component: 1150 - total flux cleaned = 0.00237622 Jy ! Component: 1200 - total flux cleaned = 0.00234397 Jy ! Component: 1250 - total flux cleaned = 0.0024079 Jy ! Component: 1300 - total flux cleaned = 0.00240787 Jy ! Component: 1350 - total flux cleaned = 0.00237623 Jy ! Component: 1400 - total flux cleaned = 0.00237604 Jy ! Component: 1450 - total flux cleaned = 0.00250032 Jy ! Component: 1500 - total flux cleaned = 0.00234584 Jy ! Component: 1550 - total flux cleaned = 0.00231503 Jy ! Component: 1600 - total flux cleaned = 0.00234575 Jy ! Component: 1650 - total flux cleaned = 0.00228513 Jy ! Component: 1700 - total flux cleaned = 0.0023152 Jy ! Component: 1750 - total flux cleaned = 0.00225576 Jy ! Component: 1800 - total flux cleaned = 0.00219666 Jy ! Component: 1850 - total flux cleaned = 0.00228513 Jy ! Component: 1900 - total flux cleaned = 0.00234329 Jy ! Component: 1950 - total flux cleaned = 0.00225593 Jy ! Component: 2000 - total flux cleaned = 0.00216948 Jy ! Component: 2050 - total flux cleaned = 0.00222678 Jy ! Component: 2100 - total flux cleaned = 0.00214154 Jy ! Component: 2150 - total flux cleaned = 0.00219831 Jy ! Component: 2200 - total flux cleaned = 0.00202984 Jy ! Component: 2250 - total flux cleaned = 0.00211375 Jy ! Component: 2300 - total flux cleaned = 0.00219699 Jy ! Component: 2350 - total flux cleaned = 0.00211388 Jy ! Component: 2400 - total flux cleaned = 0.00211401 Jy ! Component: 2450 - total flux cleaned = 0.00205955 Jy ! Component: 2500 - total flux cleaned = 0.00205981 Jy ! Component: 2550 - total flux cleaned = 0.00216787 Jy ! Component: 2600 - total flux cleaned = 0.00203343 Jy ! Component: 2650 - total flux cleaned = 0.00208676 Jy ! Component: 2700 - total flux cleaned = 0.00192752 Jy ! Component: 2750 - total flux cleaned = 0.00211246 Jy ! Component: 2800 - total flux cleaned = 0.00195455 Jy ! Component: 2850 - total flux cleaned = 0.00200684 Jy ! Component: 2900 - total flux cleaned = 0.00200692 Jy ! Component: 2950 - total flux cleaned = 0.00211052 Jy ! Component: 3000 - total flux cleaned = 0.00211039 Jy ! Component: 3050 - total flux cleaned = 0.00211024 Jy ! Component: 3100 - total flux cleaned = 0.00200824 Jy ! Component: 3150 - total flux cleaned = 0.00198291 Jy ! Component: 3200 - total flux cleaned = 0.00195786 Jy ! Component: 3250 - total flux cleaned = 0.00195807 Jy ! Component: 3300 - total flux cleaned = 0.00198298 Jy ! Component: 3350 - total flux cleaned = 0.00190846 Jy ! Component: 3400 - total flux cleaned = 0.00190843 Jy ! Component: 3450 - total flux cleaned = 0.00195776 Jy ! Component: 3500 - total flux cleaned = 0.00188435 Jy ! Component: 3550 - total flux cleaned = 0.00183553 Jy ! Component: 3600 - total flux cleaned = 0.0018842 Jy ! Component: 3650 - total flux cleaned = 0.0018117 Jy ! Component: 3700 - total flux cleaned = 0.00183584 Jy ! Component: 3750 - total flux cleaned = 0.00176402 Jy ! Component: 3800 - total flux cleaned = 0.00178797 Jy ! Component: 3850 - total flux cleaned = 0.0018118 Jy ! Component: 3900 - total flux cleaned = 0.00174075 Jy ! Component: 3950 - total flux cleaned = 0.00167027 Jy ! Component: 4000 - total flux cleaned = 0.00164697 Jy ! Component: 4050 - total flux cleaned = 0.00176344 Jy ! Total flux subtracted in 4096 components = 0.00178662 Jy ! Clean residual min=-0.001362 max=0.001544 Jy/beam ! Clean residual mean=-0.000001 rms=0.000452 Jy/beam ! Combined flux in latest and established models = 0.559845 Jy keep ! Adding 304 model components to the UV plane model. ! The established model now contains 429 components and 0.559845 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uvm//J1641+2257_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.467 x 7.249 at -6.229 degrees (North through East) ! Clean map min=-0.0027201 max=0.51049 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uvm//J1641+2257_S_a_map.fits wmodel /vlbi/uf001/uvm//J1641+2257_S_a_map.mod ! Writing 429 model components to file: /vlbi/uf001/uvm//J1641+2257_S_a_map.mod wobs /vlbi/uf001/uvm//J1641+2257_S_a_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uvm//J1641+2257_S_a_uvs.fits wwins /vlbi/uf001/uvm//J1641+2257_S_a_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uvm//J1641+2257_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.510489 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000451031 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.265058 0.265058 0.530116 1.06023 2.12047 4.24093 8.48186 16.9637 33.9274 67.8549 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.51 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1131.83 quit ! Quitting program ! Log file /vlbi/uf001/uvm//J1641+2257_S_a_dfm.log closed on Sun Jan 13 22:03:11 2019