! Started logfile: /vlbi/sb072/temp_maps//J2052+3635_C_dfm.log on Sat Dec 1 21:49:34 2018 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/sb072/temp_maps//J2052+3635_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J2052+3635_C_uva.fits ! AN table 1: 7 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.968254 visibilities/baseline/integration-bin. ! Found source: J2052+3635 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 1952 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J2052+3635_C] 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 0.300x0.300 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 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.638863Jy sigma=71.761942 ! Fit after self-cal, rms=0.869345Jy sigma=36.877248 ! 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=1.188 mas, bmaj=3.899 mas, bpa=-3.424 degrees ! Estimated noise=0.506176 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 = 0.539042 Jy ! Component: 100 - total flux cleaned = 0.810468 Jy ! Total flux subtracted in 100 components = 0.810468 Jy ! Clean residual min=-0.111106 max=0.289519 Jy/beam ! Clean residual mean=-0.000022 rms=0.029026 Jy/beam ! Combined flux in latest and established models = 0.810468 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.810468 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.785935Jy sigma=33.559914 ! Fit after self-cal, rms=0.775964Jy sigma=33.186867 ! Inverting map ! Added new window around map position (-1.5, 0.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.269878 Jy ! Component: 100 - total flux cleaned = 0.414889 Jy ! Total flux subtracted in 100 components = 0.414889 Jy ! Clean residual min=-0.063651 max=0.108944 Jy/beam ! Clean residual mean=-0.000026 rms=0.020005 Jy/beam ! Combined flux in latest and established models = 1.22536 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 13 components and 1.22536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.602984Jy sigma=25.235682 ! Fit after self-cal, rms=0.601152Jy sigma=25.139525 ! 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=1.458 mas, bmaj=4.031 mas, bpa=-2.678 degrees ! Estimated noise=0.390102 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 = 0.247346 Jy ! Component: 100 - total flux cleaned = 0.431483 Jy ! Component: 150 - total flux cleaned = 0.572571 Jy ! Component: 200 - total flux cleaned = 0.683473 Jy ! Total flux subtracted in 200 components = 0.683473 Jy ! Clean residual min=-0.092009 max=0.151236 Jy/beam ! Clean residual mean=-0.000107 rms=0.035061 Jy/beam ! Combined flux in latest and established models = 1.90883 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 59 components and 1.90883 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.433399Jy sigma=17.875369 ! Fit after self-cal, rms=0.431247Jy sigma=17.785970 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.458 x 4.031 at -2.678 degrees (North through East) ! Clean map min=-0.091248 max=0.88474 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 0.87 HN 0.96 KP 0.78 ! MK 1.01 NL 1.13 OV 1.36 PT 0.73 ! SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.29 FD 0.85 HN 0.98 KP 0.78 ! MK 1.01 NL 1.18 OV 1.30 PT 0.74 ! SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.26 FD 0.84 HN 0.93 KP 0.80 ! MK 1.00 NL 1.24 OV 1.24 PT 0.74 ! SC 1.12 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.36 FD 0.81 HN 0.98 KP 0.82 ! MK 0.98 NL 1.38 OV 1.17 PT 0.72 ! SC 1.23 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 0.80 HN 0.87 KP 0.87 ! MK 0.95 NL 1.34 OV 0.96 PT 0.79 ! SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.85 HN 0.92 KP 0.88 ! MK 1.39 NL 1.19 OV 1.02 PT 0.79 ! SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.89 HN 0.94 KP 0.85 ! MK 1.38 NL 1.15 OV 0.99 PT 0.83 ! SC 1.04 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.89 HN 0.95 KP 0.87 ! MK 1.15 NL 1.14 OV 1.03 PT 0.82 ! SC 1.10 ! ! ! Fit before self-cal, rms=0.431247Jy sigma=17.785970 ! Fit after self-cal, rms=0.316927Jy sigma=12.082550 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.513 mas, bmaj=4.134 mas, bpa=-3.131 degrees ! Estimated noise=0.377727 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 (53.1, -9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0916112 Jy ! Component: 100 - total flux cleaned = 0.101916 Jy ! Component: 150 - total flux cleaned = 0.0955127 Jy ! Component: 200 - total flux cleaned = 0.0902653 Jy ! Total flux subtracted in 200 components = 0.0902653 Jy ! Clean residual min=-0.049368 max=0.087668 Jy/beam ! Clean residual mean=0.000052 rms=0.014364 Jy/beam ! Combined flux in latest and established models = 1.9991 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 82 components and 1.99909 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.282994Jy sigma=10.525683 ! Fit after self-cal, rms=0.281228Jy sigma=10.361387 ! Inverting map ! Added new window around map position (61.8, -8.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.073818 Jy ! Component: 100 - total flux cleaned = 0.113083 Jy ! Component: 150 - total flux cleaned = 0.135054 Jy ! Component: 200 - total flux cleaned = 0.147537 Jy ! Total flux subtracted in 200 components = 0.147537 Jy ! Clean residual min=-0.045117 max=0.052741 Jy/beam ! Clean residual mean=0.000013 rms=0.011924 Jy/beam ! Combined flux in latest and established models = 2.14663 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 103 components and 2.14663 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.260315Jy sigma=8.872173 ! Fit after self-cal, rms=0.255876Jy sigma=8.720719 ! 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.255876Jy sigma=8.720719 ! Fit after self-cal, rms=0.230473Jy sigma=8.374661 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.503 mas, bmaj=4.127 mas, bpa=-3.259 degrees ! Estimated noise=0.36984 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0372937 Jy ! Component: 100 - total flux cleaned = 0.0658268 Jy ! Component: 150 - total flux cleaned = 0.0855947 Jy ! Component: 200 - total flux cleaned = 0.098673 Jy ! Total flux subtracted in 200 components = 0.098673 Jy ! Clean residual min=-0.037110 max=0.045662 Jy/beam ! Clean residual mean=-0.000004 rms=0.009982 Jy/beam ! Combined flux in latest and established models = 2.2453 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 121 components and 2.2453 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.221182Jy sigma=7.741657 ! Fit after self-cal, rms=0.219160Jy sigma=7.687996 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 (58.5, -10.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0464025 Jy ! Component: 100 - total flux cleaned = 0.0519737 Jy ! Component: 150 - total flux cleaned = 0.0547487 Jy ! Component: 200 - total flux cleaned = 0.0555893 Jy ! Total flux subtracted in 200 components = 0.0555893 Jy ! Clean residual min=-0.033882 max=0.037580 Jy/beam ! Clean residual mean=0.000006 rms=0.009050 Jy/beam ! Combined flux in latest and established models = 2.30089 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 144 components and 2.30089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.203203Jy sigma=6.996327 ! Fit after self-cal, rms=0.200056Jy sigma=6.896676 ! 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.200056Jy sigma=6.896676 ! Fit after self-cal, rms=0.186488Jy sigma=6.694981 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.502 mas, bmaj=4.117 mas, bpa=-3.359 degrees ! Estimated noise=0.369018 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.033101 Jy ! Component: 100 - total flux cleaned = 0.049203 Jy ! Component: 150 - total flux cleaned = 0.0574863 Jy ! Component: 200 - total flux cleaned = 0.0635741 Jy ! Total flux subtracted in 200 components = 0.0635741 Jy ! Clean residual min=-0.028539 max=0.032241 Jy/beam ! Clean residual mean=-0.000001 rms=0.007719 Jy/beam ! Combined flux in latest and established models = 2.36447 Jy selfcal ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 172 components and 2.36447 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.176259Jy sigma=6.167055 ! Fit after self-cal, rms=0.173971Jy sigma=6.105058 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 = 0.0132216 Jy ! Component: 100 - total flux cleaned = 0.0183869 Jy ! Component: 150 - total flux cleaned = 0.0231698 Jy ! Component: 200 - total flux cleaned = 0.0263566 Jy ! Total flux subtracted in 200 components = 0.0263566 Jy ! Clean residual min=-0.029074 max=0.029627 Jy/beam ! Clean residual mean=0.000006 rms=0.007209 Jy/beam ! Combined flux in latest and established models = 2.39082 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 191 components and 2.39082 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.168111Jy sigma=5.796202 ! Fit after self-cal, rms=0.166936Jy sigma=5.772707 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.166936Jy sigma=5.772707 ! Fit after self-cal, rms=0.159637Jy sigma=5.654963 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.276 mas, bmaj=4.736 mas, bpa=-5.561 degrees ! Estimated noise=0.466576 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0301065 Jy ! Component: 100 - total flux cleaned = 0.038021 Jy ! Component: 150 - total flux cleaned = 0.0398768 Jy ! Component: 200 - total flux cleaned = 0.0424134 Jy ! Total flux subtracted in 200 components = 0.0424134 Jy ! Clean residual min=-0.032520 max=0.038535 Jy/beam ! Clean residual mean=-0.000010 rms=0.010515 Jy/beam ! Combined flux in latest and established models = 2.43324 Jy selfcal ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 224 components and 2.43324 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.153513Jy sigma=5.322101 ! Fit after self-cal, rms=0.151096Jy sigma=5.242356 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 = 0.0105673 Jy ! Component: 100 - total flux cleaned = 0.0147785 Jy ! Component: 150 - total flux cleaned = 0.0178032 Jy ! Component: 200 - total flux cleaned = 0.0218604 Jy ! Total flux subtracted in 200 components = 0.0218604 Jy ! Clean residual min=-0.028686 max=0.033025 Jy/beam ! Clean residual mean=0.000002 rms=0.009510 Jy/beam ! Combined flux in latest and established models = 2.4551 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 239 components and 2.4551 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.148784Jy sigma=5.080190 ! Fit after self-cal, rms=0.147513Jy sigma=5.039663 ! 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=1.5 mas, bmaj=4.111 mas, bpa=-3.399 degrees ! Estimated noise=0.367289 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.5 x 4.111 at -3.399 degrees (North through East) ! Clean map min=-0.024989 max=0.80083 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.147513Jy sigma=5.039663 ! Fit after self-cal, rms=0.100455Jy sigma=4.221265 ! Inverting map and beam ! Estimated beam: bmin=1.498 mas, bmaj=4.125 mas, bpa=-3.738 degrees ! Estimated noise=0.36868 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0171801 Jy ! Component: 100 - total flux cleaned = 0.0237383 Jy ! Component: 150 - total flux cleaned = 0.0299842 Jy ! Component: 200 - total flux cleaned = 0.0359896 Jy ! Total flux subtracted in 200 components = 0.0359896 Jy ! Clean residual min=-0.020806 max=0.022873 Jy/beam ! Clean residual mean=-0.000000 rms=0.004932 Jy/beam ! Combined flux in latest and established models = 2.49109 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 254 components and 2.49109 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.091916Jy sigma=3.855817 ! Fit after self-cal, rms=0.090365Jy sigma=3.819215 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00667004 Jy ! Component: 100 - total flux cleaned = 0.010896 Jy ! Component: 150 - total flux cleaned = 0.0138776 Jy ! Component: 200 - total flux cleaned = 0.0162628 Jy ! Total flux subtracted in 200 components = 0.0162628 Jy ! Clean residual min=-0.020822 max=0.021257 Jy/beam ! Clean residual mean=0.000003 rms=0.004639 Jy/beam ! Combined flux in latest and established models = 2.50735 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 268 components and 2.50735 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.086161Jy sigma=3.616531 ! Fit after self-cal, rms=0.085289Jy sigma=3.601169 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.085289Jy sigma=3.601169 ! Fit after self-cal, rms=0.083206Jy sigma=3.552902 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=1.208 mas, bmaj=3.974 mas, bpa=-4.314 degrees ! Estimated noise=0.491799 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.546872 Jy ! Component: 100 - total flux cleaned = 0.842817 Jy ! Component: 150 - total flux cleaned = 1.03265 Jy ! Component: 200 - total flux cleaned = 1.1751 Jy ! Total flux subtracted in 200 components = 1.1751 Jy ! Clean residual min=-0.063499 max=0.088544 Jy/beam ! Clean residual mean=0.000001 rms=0.017840 Jy/beam ! Combined flux in latest and established models = 1.1751 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 16 model components to the UV plane model. ! The established model now contains 16 components and 1.1751 Jy ! Inverting map and beam ! Estimated beam: bmin=1.495 mas, bmaj=4.124 mas, bpa=-3.705 degrees ! Estimated noise=0.368912 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (33.3, -33.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.228159 Jy ! Component: 100 - total flux cleaned = 0.398933 Jy ! Component: 150 - total flux cleaned = 0.538296 Jy ! Component: 200 - total flux cleaned = 0.653902 Jy ! Total flux subtracted in 200 components = 0.653902 Jy ! Clean residual min=-0.065488 max=0.092255 Jy/beam ! Clean residual mean=-0.000016 rms=0.022066 Jy/beam ! Combined flux in latest and established models = 1.829 Jy ! Adding 76 model components to the UV plane model. ! The established model now contains 84 components and 1.829 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.27 mas, bmaj=4.743 mas, bpa=-5.824 degrees ! Estimated noise=0.469568 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.198726 Jy ! Component: 100 - total flux cleaned = 0.331535 Jy ! Component: 150 - total flux cleaned = 0.427222 Jy ! Component: 200 - total flux cleaned = 0.497853 Jy ! Total flux subtracted in 200 components = 0.497853 Jy ! Clean residual min=-0.063989 max=0.051624 Jy/beam ! Clean residual mean=-0.000009 rms=0.016885 Jy/beam ! Combined flux in latest and established models = 2.32686 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 = 0.0529011 Jy ! Component: 100 - total flux cleaned = 0.092131 Jy ! Component: 150 - total flux cleaned = 0.116289 Jy ! Component: 200 - total flux cleaned = 0.136913 Jy ! Total flux subtracted in 200 components = 0.136913 Jy ! Clean residual min=-0.043346 max=0.030512 Jy/beam ! Clean residual mean=-0.000006 rms=0.010526 Jy/beam ! Combined flux in latest and established models = 2.46377 Jy ! Adding 130 model components to the UV plane model. ! The established model now contains 195 components and 2.46377 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.495 mas, bmaj=4.124 mas, bpa=-3.705 degrees ! Estimated noise=0.368912 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116612 Jy ! Component: 100 - total flux cleaned = 0.0212882 Jy ! Component: 150 - total flux cleaned = 0.0298056 Jy ! Component: 200 - total flux cleaned = 0.0374494 Jy ! Total flux subtracted in 200 components = 0.0374494 Jy ! Clean residual min=-0.022945 max=0.020730 Jy/beam ! Clean residual mean=0.000008 rms=0.005359 Jy/beam ! Combined flux in latest and established models = 2.50122 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 222 components and 2.50122 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.098120Jy sigma=4.232408 ! Fit after self-cal, rms=0.092110Jy sigma=3.998674 wmodel J2052+3635_C_map.mod ! Writing 222 model components to file: J2052+3635_C_map.mod wobs J2052+3635_C_uvs.fits ! Writing UV FITS file: J2052+3635_C_uvs.fits wwins J2052+3635_C_map.win ! wwins: Wrote 6 windows to J2052+3635_C_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 = -0.00438401 Jy ! Component: 100 - total flux cleaned = -0.00474395 Jy ! Component: 150 - total flux cleaned = -0.00572013 Jy ! Component: 200 - total flux cleaned = -0.00511356 Jy ! Component: 250 - total flux cleaned = -0.00511051 Jy ! Component: 300 - total flux cleaned = -0.00453949 Jy ! Component: 350 - total flux cleaned = -0.00372243 Jy ! Component: 400 - total flux cleaned = -0.00293464 Jy ! Component: 450 - total flux cleaned = -0.00191161 Jy ! Component: 500 - total flux cleaned = -0.000173291 Jy ! Component: 550 - total flux cleaned = 0.00127254 Jy ! Component: 600 - total flux cleaned = 0.00221459 Jy ! Component: 650 - total flux cleaned = 0.00336504 Jy ! Component: 700 - total flux cleaned = 0.00493219 Jy ! Component: 750 - total flux cleaned = 0.00580506 Jy ! Component: 800 - total flux cleaned = 0.00666518 Jy ! Component: 850 - total flux cleaned = 0.00855397 Jy ! Component: 900 - total flux cleaned = 0.00957712 Jy ! Component: 950 - total flux cleaned = 0.01118 Jy ! Component: 1000 - total flux cleaned = 0.0113775 Jy ! Component: 1050 - total flux cleaned = 0.0129149 Jy ! Component: 1100 - total flux cleaned = 0.0140404 Jy ! Component: 1150 - total flux cleaned = 0.0149645 Jy ! Component: 1200 - total flux cleaned = 0.0165946 Jy ! Component: 1250 - total flux cleaned = 0.0178367 Jy ! Component: 1300 - total flux cleaned = 0.0185344 Jy ! Component: 1350 - total flux cleaned = 0.0199044 Jy ! Component: 1400 - total flux cleaned = 0.0207445 Jy ! Component: 1450 - total flux cleaned = 0.0215716 Jy ! Component: 1500 - total flux cleaned = 0.0227084 Jy ! Component: 1550 - total flux cleaned = 0.0233423 Jy ! Component: 1600 - total flux cleaned = 0.0245984 Jy ! Component: 1650 - total flux cleaned = 0.0252138 Jy ! Component: 1700 - total flux cleaned = 0.0258197 Jy ! Component: 1750 - total flux cleaned = 0.0265616 Jy ! Component: 1800 - total flux cleaned = 0.0270024 Jy ! Component: 1850 - total flux cleaned = 0.0281594 Jy ! Component: 1900 - total flux cleaned = 0.0288682 Jy ! Component: 1950 - total flux cleaned = 0.0298444 Jy ! Component: 2000 - total flux cleaned = 0.0309425 Jy ! Component: 2050 - total flux cleaned = 0.0314851 Jy ! Component: 2100 - total flux cleaned = 0.0320216 Jy ! Component: 2150 - total flux cleaned = 0.0325519 Jy ! Component: 2200 - total flux cleaned = 0.0334621 Jy ! Component: 2250 - total flux cleaned = 0.0342289 Jy ! Component: 2300 - total flux cleaned = 0.034856 Jy ! Component: 2350 - total flux cleaned = 0.0354788 Jy ! Component: 2400 - total flux cleaned = 0.0359659 Jy ! Component: 2450 - total flux cleaned = 0.0365705 Jy ! Component: 2500 - total flux cleaned = 0.03681 Jy ! Component: 2550 - total flux cleaned = 0.0379834 Jy ! Component: 2600 - total flux cleaned = 0.0382153 Jy ! Component: 2650 - total flux cleaned = 0.0382141 Jy ! Component: 2700 - total flux cleaned = 0.038891 Jy ! Component: 2750 - total flux cleaned = 0.0395566 Jy ! Component: 2800 - total flux cleaned = 0.0397735 Jy ! Component: 2850 - total flux cleaned = 0.0399892 Jy ! Component: 2900 - total flux cleaned = 0.0406344 Jy ! Component: 2950 - total flux cleaned = 0.0412692 Jy ! Component: 3000 - total flux cleaned = 0.0418971 Jy ! Component: 3050 - total flux cleaned = 0.0423108 Jy ! Component: 3100 - total flux cleaned = 0.0428216 Jy ! Component: 3150 - total flux cleaned = 0.0437328 Jy ! Component: 3200 - total flux cleaned = 0.0440321 Jy ! Component: 3250 - total flux cleaned = 0.0445259 Jy ! Component: 3300 - total flux cleaned = 0.04521 Jy ! Component: 3350 - total flux cleaned = 0.0457895 Jy ! Component: 3400 - total flux cleaned = 0.0457909 Jy ! Component: 3450 - total flux cleaned = 0.0466434 Jy ! Component: 3500 - total flux cleaned = 0.0469239 Jy ! Component: 3550 - total flux cleaned = 0.0473876 Jy ! Component: 3600 - total flux cleaned = 0.047937 Jy ! Component: 3650 - total flux cleaned = 0.0481183 Jy ! Component: 3700 - total flux cleaned = 0.0488358 Jy ! Component: 3750 - total flux cleaned = 0.0488345 Jy ! Component: 3800 - total flux cleaned = 0.049098 Jy ! Component: 3850 - total flux cleaned = 0.0492717 Jy ! Component: 3900 - total flux cleaned = 0.049358 Jy ! Component: 3950 - total flux cleaned = 0.0495303 Jy ! Component: 4000 - total flux cleaned = 0.0501228 Jy ! Component: 4050 - total flux cleaned = 0.0502063 Jy ! Total flux subtracted in 4096 components = 0.0506219 Jy ! Clean residual min=-0.004663 max=0.004204 Jy/beam ! Clean residual mean=0.000005 rms=0.001573 Jy/beam ! Combined flux in latest and established models = 2.55184 Jy keep ! Adding 337 model components to the UV plane model. ! The established model now contains 552 components and 2.55184 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J2052+3635_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.495 x 4.124 at -3.705 degrees (North through East) ! Clean map min=-0.018118 max=0.78995 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J2052+3635_C_map.fits wmodel /vlbi/sb072/temp_maps//J2052+3635_C_map.mod ! Writing 552 model components to file: /vlbi/sb072/temp_maps//J2052+3635_C_map.mod wobs /vlbi/sb072/temp_maps//J2052+3635_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J2052+3635_C_uvs.fits wwins /vlbi/sb072/temp_maps//J2052+3635_C_map.win ! wwins: Wrote 7 windows to /vlbi/sb072/temp_maps//J2052+3635_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.789946 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00155893 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.592039 0.592039 1.18408 2.36816 4.73631 9.47262 18.9452 37.8905 75.781 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0046 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.789 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 506.723 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J2052+3635_C_dfm.log closed on Sat Dec 1 21:49:38 2018