! Started logfile: /vlbi/bp222/maps//J1757+7539_S_dfm.log on Thu Sep 27 11:28:30 2018 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/bp222/maps//J1757+7539_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1757+7539_S_uvm.fits ! AN table 1: 23 integrations on 21 of 21 possible baselines. ! AN table 2: 68 integrations on 36 of 36 possible baselines. ! AN table 3: 23 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.952727 visibilities/baseline/integration-bin. ! Found source: J1757+7539 ! ! There are 4 IFs, and a total of 4 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 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 44 lines of history. ! ! Reading 13624 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 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 J1757+7539_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 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! A total of 15 telescope corrections were flagged in sub-array 2. ! A total of 7 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 161 telescope corrections were flagged in sub-array 1. ! A total of 612 telescope corrections were flagged in sub-array 2. ! A total of 184 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.039567Jy sigma=13.321117 ! Fit after self-cal, rms=0.773554Jy sigma=9.859763 ! 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=2.771 mas, bmaj=5.893 mas, bpa=-11.44 degrees ! Estimated noise=0.909681 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 = 0.178279 Jy ! Component: 100 - total flux cleaned = 0.22004 Jy ! Total flux subtracted in 100 components = 0.22004 Jy ! Clean residual min=-0.008396 max=0.015488 Jy/beam ! Clean residual mean=-0.000003 rms=0.002377 Jy/beam ! Combined flux in latest and established models = 0.22004 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.22004 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088101Jy sigma=0.943705 ! Fit after self-cal, rms=0.088066Jy sigma=0.943472 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0159866 Jy ! Component: 100 - total flux cleaned = 0.0234152 Jy ! Total flux subtracted in 100 components = 0.0234152 Jy ! Clean residual min=-0.007994 max=0.011532 Jy/beam ! Clean residual mean=-0.000003 rms=0.002056 Jy/beam ! Combined flux in latest and established models = 0.243455 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 8 components and 0.243455 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085779Jy sigma=0.896744 ! Fit after self-cal, rms=0.085773Jy sigma=0.896554 ! 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=3.414 mas, bmaj=6.7 mas, bpa=-12.98 degrees ! Estimated noise=0.586002 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-6.5, -1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0103803 Jy ! Component: 100 - total flux cleaned = 0.0111955 Jy ! Component: 150 - total flux cleaned = 0.0109964 Jy ! Component: 200 - total flux cleaned = 0.0110123 Jy ! Total flux subtracted in 200 components = 0.0110123 Jy ! Clean residual min=-0.007570 max=0.011812 Jy/beam ! Clean residual mean=-0.000001 rms=0.002024 Jy/beam ! Combined flux in latest and established models = 0.254467 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 38 components and 0.254467 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083497Jy sigma=0.873775 ! Fit after self-cal, rms=0.083362Jy sigma=0.870130 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.414 x 6.7 at -12.98 degrees (North through East) ! Clean map min=-0.0075826 max=0.22949 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.98 KP 1.04 ! MK 0.91 NL 0.85 OV 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.10 HN 1.03 KP 0.96 LA 0.98 ! MK 0.96 NL 1.22 OV 0.96 PT 0.99 ! SC 1.00 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.00 HN 0.96 KP 1.03 ! LA 1.00 NL 0.99 OV 1.00 SC 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.04 HN 0.97 KP 0.99 ! MK 0.92 NL 0.77 OV 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 HN 1.05 KP 0.95 LA 0.98 ! MK 0.97 NL 1.93 OV 0.97 PT 0.98 ! SC 0.93 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 0.96 HN 1.05 KP 1.01 ! LA 0.99 NL 0.76 OV 0.98 SC 0.67 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.03 HN 0.99 KP 1.00 ! MK 0.94 NL 0.85 OV 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 HN 1.06 KP 0.93 LA 0.99 ! MK 1.00 NL 1.33 OV 0.96 PT 0.98 ! SC 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.99 HN 1.01 KP 1.03 ! LA 0.99 NL 0.96 OV 0.98 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! MK 0.00* NL 0.00* OV 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* HN 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HN 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! ! ! Fit before self-cal, rms=0.083362Jy sigma=0.870130 ! Fit after self-cal, rms=0.088022Jy sigma=0.791383 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.41 mas, bmaj=6.606 mas, bpa=-12.68 degrees ! Estimated noise=0.586502 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 = -0.00205798 Jy ! Component: 100 - total flux cleaned = -0.00205656 Jy ! Component: 150 - total flux cleaned = -0.00185588 Jy ! Component: 200 - total flux cleaned = -0.00193666 Jy ! Total flux subtracted in 200 components = -0.00193666 Jy ! Clean residual min=-0.005025 max=0.005566 Jy/beam ! Clean residual mean=-0.000001 rms=0.001349 Jy/beam ! Combined flux in latest and established models = 0.25253 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 57 components and 0.25253 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087537Jy sigma=0.788144 ! Fit after self-cal, rms=0.087626Jy sigma=0.787449 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087626Jy sigma=0.787449 ! Fit after self-cal, rms=0.083448Jy sigma=0.755009 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.405 mas, bmaj=6.585 mas, bpa=-12.79 degrees ! Estimated noise=0.587603 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.97137e-05 Jy ! Component: 100 - total flux cleaned = -0.000180664 Jy ! Component: 150 - total flux cleaned = -0.000366383 Jy ! Component: 200 - total flux cleaned = -0.000467876 Jy ! Total flux subtracted in 200 components = -0.000467876 Jy ! Clean residual min=-0.003722 max=0.004256 Jy/beam ! Clean residual mean=-0.000001 rms=0.000929 Jy/beam ! Combined flux in latest and established models = 0.252062 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 84 components and 0.252062 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083369Jy sigma=0.752974 ! Fit after self-cal, rms=0.083394Jy sigma=0.752727 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 (55, -50). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000467263 Jy ! Component: 100 - total flux cleaned = -0.000233143 Jy ! Component: 150 - total flux cleaned = -0.0002323 Jy ! Component: 200 - total flux cleaned = -4.04601e-06 Jy ! Total flux subtracted in 200 components = -4.04601e-06 Jy ! Clean residual min=-0.003464 max=0.003309 Jy/beam ! Clean residual mean=-0.000002 rms=0.000869 Jy/beam ! Combined flux in latest and established models = 0.252058 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 110 components and 0.252058 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082880Jy sigma=0.749928 ! Fit after self-cal, rms=0.082852Jy sigma=0.749469 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082852Jy sigma=0.749469 ! Fit after self-cal, rms=0.085824Jy sigma=0.729526 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.404 mas, bmaj=6.568 mas, bpa=-12.92 degrees ! Estimated noise=0.587919 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000556039 Jy ! Component: 100 - total flux cleaned = -0.000431116 Jy ! Component: 150 - total flux cleaned = -0.000268929 Jy ! Component: 200 - total flux cleaned = -0.000171052 Jy ! Total flux subtracted in 200 components = -0.000171052 Jy ! Clean residual min=-0.002103 max=0.001837 Jy/beam ! Clean residual mean=-0.000000 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.251887 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 128 components and 0.251887 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085730Jy sigma=0.728024 ! Fit after self-cal, rms=0.085744Jy sigma=0.727808 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 = -0.000409229 Jy ! Component: 100 - total flux cleaned = -0.000410317 Jy ! Component: 150 - total flux cleaned = -0.000374004 Jy ! Component: 200 - total flux cleaned = -0.000340009 Jy ! Total flux subtracted in 200 components = -0.000340009 Jy ! Clean residual min=-0.002037 max=0.001819 Jy/beam ! Clean residual mean=-0.000000 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.251547 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 140 components and 0.251547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085706Jy sigma=0.727234 ! Fit after self-cal, rms=0.085700Jy sigma=0.727194 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085700Jy sigma=0.727194 ! Fit after self-cal, rms=0.086745Jy sigma=0.726844 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.634 mas, bmaj=9.702 mas, bpa=-20.69 degrees ! Estimated noise=0.716323 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000400144 Jy ! Component: 100 - total flux cleaned = -0.000153055 Jy ! Component: 150 - total flux cleaned = -9.41289e-05 Jy ! Component: 200 - total flux cleaned = -6.99409e-05 Jy ! Total flux subtracted in 200 components = -6.99409e-05 Jy ! Clean residual min=-0.001769 max=0.001611 Jy/beam ! Clean residual mean=-0.000000 rms=0.000450 Jy/beam ! Combined flux in latest and established models = 0.251477 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 150 components and 0.251477 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086723Jy sigma=0.726408 ! Fit after self-cal, rms=0.086722Jy sigma=0.726336 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 = -0.000135859 Jy ! Component: 100 - total flux cleaned = -0.000112554 Jy ! Component: 150 - total flux cleaned = -0.000112111 Jy ! Component: 200 - total flux cleaned = -9.38672e-05 Jy ! Total flux subtracted in 200 components = -9.38672e-05 Jy ! Clean residual min=-0.001758 max=0.001610 Jy/beam ! Clean residual mean=0.000000 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.251384 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 160 components and 0.251384 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086714Jy sigma=0.726209 ! Fit after self-cal, rms=0.086715Jy sigma=0.726182 ! 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=3.403 mas, bmaj=6.561 mas, bpa=-12.97 degrees ! Estimated noise=0.58904 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.403 x 6.561 at -12.97 degrees (North through East) ! Clean map min=-0.0019461 max=0.23169 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=2.767 mas, bmaj=5.782 mas, bpa=-11.34 degrees ! Estimated noise=0.912721 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.178822 Jy ! Component: 100 - total flux cleaned = 0.221136 Jy ! Component: 150 - total flux cleaned = 0.237456 Jy ! Component: 200 - total flux cleaned = 0.245134 Jy ! Total flux subtracted in 200 components = 0.245134 Jy ! Clean residual min=-0.003462 max=0.003929 Jy/beam ! Clean residual mean=0.000001 rms=0.000823 Jy/beam ! Combined flux in latest and established models = 0.245134 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.245134 Jy ! Inverting map and beam ! Estimated beam: bmin=3.403 mas, bmaj=6.561 mas, bpa=-12.97 degrees ! Estimated noise=0.58904 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 = 0.00445432 Jy ! Component: 100 - total flux cleaned = 0.00571038 Jy ! Component: 150 - total flux cleaned = 0.00597552 Jy ! Component: 200 - total flux cleaned = 0.0062762 Jy ! Total flux subtracted in 200 components = 0.0062762 Jy ! Clean residual min=-0.001782 max=0.001823 Jy/beam ! Clean residual mean=0.000000 rms=0.000451 Jy/beam ! Combined flux in latest and established models = 0.25141 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 34 components and 0.25141 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=7.634 mas, bmaj=9.702 mas, bpa=-20.69 degrees ! Estimated noise=0.716323 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000177616 Jy ! Component: 100 - total flux cleaned = 0.000312521 Jy ! Component: 150 - total flux cleaned = 0.000313468 Jy ! Component: 200 - total flux cleaned = 0.000312292 Jy ! Total flux subtracted in 200 components = 0.000312292 Jy ! Clean residual min=-0.001636 max=0.001706 Jy/beam ! Clean residual mean=0.000001 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.251723 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 = -2.01809e-07 Jy ! Component: 100 - total flux cleaned = 1.09022e-06 Jy ! Component: 150 - total flux cleaned = 1.0154e-06 Jy ! Component: 200 - total flux cleaned = -2.20662e-05 Jy ! Total flux subtracted in 200 components = -2.20662e-05 Jy ! Clean residual min=-0.001574 max=0.001676 Jy/beam ! Clean residual mean=0.000000 rms=0.000450 Jy/beam ! Combined flux in latest and established models = 0.2517 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 71 components and 0.2517 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.403 mas, bmaj=6.561 mas, bpa=-12.97 degrees ! Estimated noise=0.58904 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00017387 Jy ! Component: 100 - total flux cleaned = 0.000218177 Jy ! Component: 150 - total flux cleaned = 0.000178183 Jy ! Component: 200 - total flux cleaned = 0.000217803 Jy ! Total flux subtracted in 200 components = 0.000217803 Jy ! Clean residual min=-0.001672 max=0.001740 Jy/beam ! Clean residual mean=0.000000 rms=0.000409 Jy/beam ! Combined flux in latest and established models = 0.251918 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 94 components and 0.251918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086766Jy sigma=0.726602 ! Fit after self-cal, rms=0.086747Jy sigma=0.726310 wmodel J1757+7539_S_map.mod ! Writing 94 model components to file: J1757+7539_S_map.mod wobs J1757+7539_S_uvs.fits ! Writing UV FITS file: J1757+7539_S_uvs.fits wwins J1757+7539_S_map.win ! wwins: Wrote 3 windows to J1757+7539_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 = 0.000162298 Jy ! Component: 100 - total flux cleaned = 0.000278889 Jy ! Component: 150 - total flux cleaned = 0.000417905 Jy ! Component: 200 - total flux cleaned = 0.000552683 Jy ! Component: 250 - total flux cleaned = 0.000605071 Jy ! Component: 300 - total flux cleaned = 0.000706635 Jy ! Component: 350 - total flux cleaned = 0.000805391 Jy ! Component: 400 - total flux cleaned = 0.000949045 Jy ! Component: 450 - total flux cleaned = 0.000972581 Jy ! Component: 500 - total flux cleaned = 0.00101811 Jy ! Component: 550 - total flux cleaned = 0.000950579 Jy ! Component: 600 - total flux cleaned = 0.000928416 Jy ! Component: 650 - total flux cleaned = 0.000863252 Jy ! Component: 700 - total flux cleaned = 0.000820349 Jy ! Component: 750 - total flux cleaned = 0.000757424 Jy ! Component: 800 - total flux cleaned = 0.000736468 Jy ! Component: 850 - total flux cleaned = 0.000655135 Jy ! Component: 900 - total flux cleaned = 0.000595279 Jy ! Component: 950 - total flux cleaned = 0.000575357 Jy ! Component: 1000 - total flux cleaned = 0.000575248 Jy ! Component: 1050 - total flux cleaned = 0.000517172 Jy ! Component: 1100 - total flux cleaned = 0.000479245 Jy ! Component: 1150 - total flux cleaned = 0.000498217 Jy ! Component: 1200 - total flux cleaned = 0.000516789 Jy ! Component: 1250 - total flux cleaned = 0.000461907 Jy ! Component: 1300 - total flux cleaned = 0.000516968 Jy ! Component: 1350 - total flux cleaned = 0.000534719 Jy ! Component: 1400 - total flux cleaned = 0.000552507 Jy ! Component: 1450 - total flux cleaned = 0.000499454 Jy ! Component: 1500 - total flux cleaned = 0.000499459 Jy ! Component: 1550 - total flux cleaned = 0.000551322 Jy ! Component: 1600 - total flux cleaned = 0.000551119 Jy ! Component: 1650 - total flux cleaned = 0.000517281 Jy ! Component: 1700 - total flux cleaned = 0.000517493 Jy ! Component: 1750 - total flux cleaned = 0.000517287 Jy ! Component: 1800 - total flux cleaned = 0.000550418 Jy ! Component: 1850 - total flux cleaned = 0.000550442 Jy ! Component: 1900 - total flux cleaned = 0.000550229 Jy ! Component: 1950 - total flux cleaned = 0.000501575 Jy ! Component: 2000 - total flux cleaned = 0.000469412 Jy ! Component: 2050 - total flux cleaned = 0.000485541 Jy ! Component: 2100 - total flux cleaned = 0.000422275 Jy ! Component: 2150 - total flux cleaned = 0.000422319 Jy ! Component: 2200 - total flux cleaned = 0.000406814 Jy ! Component: 2250 - total flux cleaned = 0.000422268 Jy ! Component: 2300 - total flux cleaned = 0.000406665 Jy ! Component: 2350 - total flux cleaned = 0.000360835 Jy ! Component: 2400 - total flux cleaned = 0.000361066 Jy ! Component: 2450 - total flux cleaned = 0.000391202 Jy ! Component: 2500 - total flux cleaned = 0.000376055 Jy ! Component: 2550 - total flux cleaned = 0.000331533 Jy ! Component: 2600 - total flux cleaned = 0.000376009 Jy ! Component: 2650 - total flux cleaned = 0.00037589 Jy ! Component: 2700 - total flux cleaned = 0.000346725 Jy ! Component: 2750 - total flux cleaned = 0.000361063 Jy ! Component: 2800 - total flux cleaned = 0.000389778 Jy ! Component: 2850 - total flux cleaned = 0.000332567 Jy ! Component: 2900 - total flux cleaned = 0.000332716 Jy ! Component: 2950 - total flux cleaned = 0.00034685 Jy ! Component: 3000 - total flux cleaned = 0.000262691 Jy ! Component: 3050 - total flux cleaned = 0.000276648 Jy ! Component: 3100 - total flux cleaned = 0.000207267 Jy ! Component: 3150 - total flux cleaned = 0.000234938 Jy ! Component: 3200 - total flux cleaned = 0.000262319 Jy ! Component: 3250 - total flux cleaned = 0.000194031 Jy ! Component: 3300 - total flux cleaned = 0.000126145 Jy ! Component: 3350 - total flux cleaned = 0.000139681 Jy ! Component: 3400 - total flux cleaned = 8.59211e-05 Jy ! Component: 3450 - total flux cleaned = 0.000125991 Jy ! Component: 3500 - total flux cleaned = 8.62635e-05 Jy ! Component: 3550 - total flux cleaned = 4.67379e-05 Jy ! Component: 3600 - total flux cleaned = 5.97968e-05 Jy ! Component: 3650 - total flux cleaned = 0.00012502 Jy ! Component: 3700 - total flux cleaned = 4.71433e-05 Jy ! Component: 3750 - total flux cleaned = 6.01337e-05 Jy ! Component: 3800 - total flux cleaned = 4.72961e-05 Jy ! Component: 3850 - total flux cleaned = 8.56621e-05 Jy ! Component: 3900 - total flux cleaned = 7.28688e-05 Jy ! Component: 3950 - total flux cleaned = 3.49994e-05 Jy ! Component: 4000 - total flux cleaned = 7.27666e-05 Jy ! Component: 4050 - total flux cleaned = 3.52448e-05 Jy ! Total flux subtracted in 4096 components = 4.77513e-05 Jy ! Clean residual min=-0.000648 max=0.000725 Jy/beam ! Clean residual mean=-0.000000 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.251966 Jy keep ! Adding 315 model components to the UV plane model. ! The established model now contains 408 components and 0.251966 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1757+7539_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.403 x 6.561 at -12.97 degrees (North through East) ! Clean map min=-0.0020112 max=0.2319 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1757+7539_S_map.fits wmodel /vlbi/bp222/maps//J1757+7539_S_map.mod ! Writing 408 model components to file: /vlbi/bp222/maps//J1757+7539_S_map.mod wobs /vlbi/bp222/maps//J1757+7539_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1757+7539_S_uvs.fits wwins /vlbi/bp222/maps//J1757+7539_S_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J1757+7539_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.231902 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000228588 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.295712 0.295712 0.591425 1.18285 2.3657 4.7314 9.4628 18.9256 37.8512 75.7024 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.231 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1014.5 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1757+7539_S_dfm.log closed on Thu Sep 27 11:28:34 2018