! Started logfile: .//J1642+6856_C_20180724_dfm.log on Wed Aug 8 14:54:04 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 .//J1642+6856_C_20180724_uva.fits ! Reading UV FITS file: .//J1642+6856_C_20180724_uva.fits ! AN table 1: 20 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.883929 visibilities/baseline/integration-bin. ! Found source: J1642+6856 ! ! 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 85 lines of history. ! ! Reading 3960 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 J1642+6856_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 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.623811Jy sigma=44.793324 ! Fit after self-cal, rms=0.360801Jy sigma=9.306112 ! 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=1.498 mas, bmaj=5.267 mas, bpa=57.24 degrees ! Estimated noise=0.642256 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 = 0.869611 Jy ! Component: 100 - total flux cleaned = 1.15133 Jy ! Total flux subtracted in 100 components = 1.15133 Jy ! Clean residual min=-0.066593 max=0.127031 Jy/beam ! Clean residual mean=-0.000062 rms=0.017657 Jy/beam ! Combined flux in latest and established models = 1.15133 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 1.15133 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=0.252154Jy sigma=6.226754 ! Fit after self-cal, rms=0.251440Jy sigma=6.220657 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.139756 Jy ! Component: 100 - total flux cleaned = 0.209622 Jy ! Total flux subtracted in 100 components = 0.209622 Jy ! Clean residual min=-0.040321 max=0.036012 Jy/beam ! Clean residual mean=-0.000035 rms=0.008347 Jy/beam ! Combined flux in latest and established models = 1.36095 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 9 components and 1.36095 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=0.125647Jy sigma=3.134820 ! Fit after self-cal, rms=0.124862Jy sigma=3.123629 ! 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=1.93 mas, bmaj=5.241 mas, bpa=55.3 degrees ! Estimated noise=0.41958 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 = 0.0474612 Jy ! Component: 100 - total flux cleaned = 0.0781477 Jy ! Component: 150 - total flux cleaned = 0.099482 Jy ! Component: 200 - total flux cleaned = 0.112013 Jy ! Total flux subtracted in 200 components = 0.112013 Jy ! Clean residual min=-0.032371 max=0.031876 Jy/beam ! Clean residual mean=-0.000067 rms=0.008433 Jy/beam ! Combined flux in latest and established models = 1.47296 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 28 components and 1.47296 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=0.096699Jy sigma=2.538306 ! Fit after self-cal, rms=0.096022Jy sigma=2.526005 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.93 x 5.241 at 55.3 degrees (North through East) ! Clean map min=-0.031052 max=1.1877 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.96 HN 0.95 KP 0.95 ! NL 1.00 OV 1.06 PT 0.94 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.95 KP 0.95 ! NL 0.99 OV 1.08 PT 0.95 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HN 0.96 KP 0.97 ! NL 0.98 OV 1.07 PT 0.96 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HN 0.89 KP 0.97 ! NL 0.99 OV 1.07 PT 0.95 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 0.99 KP 0.98 ! NL 1.03 OV 1.06 PT 0.95 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 0.99 KP 0.98 ! NL 1.05 OV 1.06 PT 0.94 SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 1.00 KP 0.98 ! NL 1.04 OV 1.06 PT 0.96 SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 1.01 KP 0.98 ! NL 1.05 OV 1.06 PT 0.95 SC 1.00 ! ! ! Fit before self-cal, rms=0.096022Jy sigma=2.526005 ! Fit after self-cal, rms=0.054109Jy sigma=1.316024 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.933 mas, bmaj=5.231 mas, bpa=54.86 degrees ! Estimated noise=0.419532 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 (-2.4, -10.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0218767 Jy ! Component: 100 - total flux cleaned = 0.0327575 Jy ! Component: 150 - total flux cleaned = 0.0397538 Jy ! Component: 200 - total flux cleaned = 0.0448956 Jy ! Total flux subtracted in 200 components = 0.0448956 Jy ! Clean residual min=-0.008486 max=0.011137 Jy/beam ! Clean residual mean=0.000014 rms=0.002040 Jy/beam ! Combined flux in latest and established models = 1.51786 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 50 components and 1.51786 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=0.042507Jy sigma=0.988398 ! Fit after self-cal, rms=0.041568Jy sigma=0.967211 ! Inverting map ! Added new window around map position (8.7, 12.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0040281 Jy ! Component: 100 - total flux cleaned = 0.00615359 Jy ! Component: 150 - total flux cleaned = 0.00842744 Jy ! Component: 200 - total flux cleaned = 0.0104443 Jy ! Total flux subtracted in 200 components = 0.0104443 Jy ! Clean residual min=-0.006253 max=0.005054 Jy/beam ! Clean residual mean=0.000011 rms=0.001442 Jy/beam ! Combined flux in latest and established models = 1.5283 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 86 components and 1.5283 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=0.037827Jy sigma=0.867120 ! Fit after self-cal, rms=0.037683Jy sigma=0.864297 ! 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=0.037683Jy sigma=0.864297 ! Fit after self-cal, rms=0.036344Jy sigma=0.842946 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.932 mas, bmaj=5.232 mas, bpa=54.83 degrees ! Estimated noise=0.418629 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00032988 Jy ! Component: 100 - total flux cleaned = 0.00107793 Jy ! Component: 150 - total flux cleaned = 0.00140455 Jy ! Component: 200 - total flux cleaned = 0.00171197 Jy ! Total flux subtracted in 200 components = 0.00171197 Jy ! Clean residual min=-0.004823 max=0.003834 Jy/beam ! Clean residual mean=0.000006 rms=0.001103 Jy/beam ! Combined flux in latest and established models = 1.53002 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 114 components and 1.53002 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=0.034501Jy sigma=0.795829 ! Fit after self-cal, rms=0.034460Jy sigma=0.795303 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 = 0.00100819 Jy ! Component: 100 - total flux cleaned = 0.00165241 Jy ! Component: 150 - total flux cleaned = 0.00212577 Jy ! Component: 200 - total flux cleaned = 0.0025607 Jy ! Total flux subtracted in 200 components = 0.0025607 Jy ! Clean residual min=-0.004389 max=0.003283 Jy/beam ! Clean residual mean=0.000006 rms=0.000956 Jy/beam ! Combined flux in latest and established models = 1.53258 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 128 components and 1.53258 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=0.033609Jy sigma=0.773243 ! Fit after self-cal, rms=0.033595Jy sigma=0.773039 ! 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=0.033595Jy sigma=0.773039 ! Fit after self-cal, rms=0.033257Jy sigma=0.767805 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.932 mas, bmaj=5.233 mas, bpa=54.8 degrees ! Estimated noise=0.418197 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000216622 Jy ! Component: 100 - total flux cleaned = 9.4791e-05 Jy ! Component: 150 - total flux cleaned = 0.000388115 Jy ! Component: 200 - total flux cleaned = 0.000651334 Jy ! Total flux subtracted in 200 components = 0.000651334 Jy ! Clean residual min=-0.003632 max=0.002931 Jy/beam ! Clean residual mean=0.000003 rms=0.000798 Jy/beam ! Combined flux in latest and established models = 1.53323 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 141 components and 1.53323 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=0.032554Jy sigma=0.751083 ! Fit after self-cal, rms=0.032545Jy sigma=0.750959 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 = 6.56307e-06 Jy ! Component: 100 - total flux cleaned = -0.000147855 Jy ! Component: 150 - total flux cleaned = -0.00014602 Jy ! Component: 200 - total flux cleaned = -6.16375e-06 Jy ! Total flux subtracted in 200 components = -6.16375e-06 Jy ! Clean residual min=-0.003423 max=0.002718 Jy/beam ! Clean residual mean=0.000003 rms=0.000722 Jy/beam ! Combined flux in latest and established models = 1.53322 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 150 components and 1.53322 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=0.032191Jy sigma=0.742542 ! Fit after self-cal, rms=0.032189Jy sigma=0.742449 ! 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=0.032189Jy sigma=0.742449 ! Fit after self-cal, rms=0.032044Jy sigma=0.740178 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.482 mas, bmaj=5.422 mas, bpa=55.81 degrees ! Estimated noise=0.499799 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00136032 Jy ! Component: 100 - total flux cleaned = 0.00142374 Jy ! Component: 150 - total flux cleaned = 0.00142367 Jy ! Component: 200 - total flux cleaned = 0.0013683 Jy ! Total flux subtracted in 200 components = 0.0013683 Jy ! Clean residual min=-0.002601 max=0.002365 Jy/beam ! Clean residual mean=0.000002 rms=0.000754 Jy/beam ! Combined flux in latest and established models = 1.53459 Jy selfcal ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 187 components and 1.53459 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=0.031821Jy sigma=0.735105 ! Fit after self-cal, rms=0.031819Jy sigma=0.734926 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 = -0.000121295 Jy ! Component: 100 - total flux cleaned = -2.14203e-05 Jy ! Component: 150 - total flux cleaned = 2.48035e-05 Jy ! Component: 200 - total flux cleaned = 0.000115426 Jy ! Total flux subtracted in 200 components = 0.000115426 Jy ! Clean residual min=-0.002588 max=0.002313 Jy/beam ! Clean residual mean=0.000002 rms=0.000704 Jy/beam ! Combined flux in latest and established models = 1.5347 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 193 components and 1.5347 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=0.031680Jy sigma=0.732118 ! Fit after self-cal, rms=0.031682Jy sigma=0.732049 ! 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=1.932 mas, bmaj=5.234 mas, bpa=54.79 degrees ! Estimated noise=0.417992 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.932 x 5.234 at 54.79 degrees (North through East) ! Clean map min=-0.0069332 max=1.1895 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=0.031682Jy sigma=0.732049 ! Fit after self-cal, rms=0.029776Jy sigma=0.645854 ! Inverting map and beam ! Estimated beam: bmin=1.931 mas, bmaj=5.234 mas, bpa=54.79 degrees ! Estimated noise=0.417921 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000230637 Jy ! Component: 100 - total flux cleaned = -0.000286575 Jy ! Component: 150 - total flux cleaned = -0.000188502 Jy ! Component: 200 - total flux cleaned = -9.72323e-05 Jy ! Total flux subtracted in 200 components = -9.72323e-05 Jy ! Clean residual min=-0.002671 max=0.001938 Jy/beam ! Clean residual mean=0.000001 rms=0.000552 Jy/beam ! Combined flux in latest and established models = 1.53461 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 206 components and 1.53461 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=0.029567Jy sigma=0.640970 ! Fit after self-cal, rms=0.029569Jy sigma=0.640911 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000177183 Jy ! Component: 100 - total flux cleaned = 0.000378609 Jy ! Component: 150 - total flux cleaned = 0.000491915 Jy ! Component: 200 - total flux cleaned = 0.000528993 Jy ! Total flux subtracted in 200 components = 0.000528993 Jy ! Clean residual min=-0.002539 max=0.001817 Jy/beam ! Clean residual mean=0.000001 rms=0.000526 Jy/beam ! Combined flux in latest and established models = 1.53514 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 215 components and 1.53514 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=0.029458Jy sigma=0.638381 ! Fit after self-cal, rms=0.029459Jy sigma=0.638324 ! 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=0.029459Jy sigma=0.638324 ! Fit after self-cal, rms=0.029412Jy sigma=0.637850 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=1.502 mas, bmaj=5.244 mas, bpa=56.85 degrees ! Estimated noise=0.642215 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.868583 Jy ! Component: 100 - total flux cleaned = 1.14424 Jy ! Component: 150 - total flux cleaned = 1.27914 Jy ! Component: 200 - total flux cleaned = 1.34628 Jy ! Total flux subtracted in 200 components = 1.34628 Jy ! Clean residual min=-0.024847 max=0.030802 Jy/beam ! Clean residual mean=-0.000018 rms=0.005752 Jy/beam ! Combined flux in latest and established models = 1.34628 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 12 model components to the UV plane model. ! The established model now contains 12 components and 1.34628 Jy ! Inverting map and beam ! Estimated beam: bmin=1.931 mas, bmaj=5.234 mas, bpa=54.78 degrees ! Estimated noise=0.417842 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 = 0.04098 Jy ! Component: 100 - total flux cleaned = 0.065712 Jy ! Component: 150 - total flux cleaned = 0.0845171 Jy ! Component: 200 - total flux cleaned = 0.099673 Jy ! Total flux subtracted in 200 components = 0.099673 Jy ! Clean residual min=-0.011813 max=0.013819 Jy/beam ! Clean residual mean=-0.000029 rms=0.003114 Jy/beam ! Combined flux in latest and established models = 1.44595 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 50 components and 1.44595 Jy ! Inverting map ! Added new window around map position (-5.4, -0.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0141007 Jy ! Component: 100 - total flux cleaned = 0.0247498 Jy ! Component: 150 - total flux cleaned = 0.0318708 Jy ! Component: 200 - total flux cleaned = 0.0379908 Jy ! Total flux subtracted in 200 components = 0.0379908 Jy ! Clean residual min=-0.008201 max=0.007604 Jy/beam ! Clean residual mean=-0.000018 rms=0.001971 Jy/beam ! Combined flux in latest and established models = 1.48394 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 73 components and 1.48394 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=3.482 mas, bmaj=5.423 mas, bpa=55.79 degrees ! Estimated noise=0.499737 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00861523 Jy ! Component: 100 - total flux cleaned = 0.014193 Jy ! Component: 150 - total flux cleaned = 0.0181126 Jy ! Component: 200 - total flux cleaned = 0.0215741 Jy ! Total flux subtracted in 200 components = 0.0215741 Jy ! Clean residual min=-0.006108 max=0.006432 Jy/beam ! Clean residual mean=-0.000024 rms=0.001930 Jy/beam ! Combined flux in latest and established models = 1.50551 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 = 0.00290088 Jy ! Component: 100 - total flux cleaned = 0.00550332 Jy ! Component: 150 - total flux cleaned = 0.00770113 Jy ! Component: 200 - total flux cleaned = 0.00984435 Jy ! Total flux subtracted in 200 components = 0.00984435 Jy ! Clean residual min=-0.004849 max=0.004955 Jy/beam ! Clean residual mean=-0.000018 rms=0.001436 Jy/beam ! Combined flux in latest and established models = 1.51536 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 142 components and 1.51536 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.931 mas, bmaj=5.234 mas, bpa=54.78 degrees ! Estimated noise=0.417842 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.1043e-05 Jy ! Component: 100 - total flux cleaned = 0.000812055 Jy ! Component: 150 - total flux cleaned = 0.00243273 Jy ! Component: 200 - total flux cleaned = 0.00341317 Jy ! Total flux subtracted in 200 components = 0.00341317 Jy ! Clean residual min=-0.004173 max=0.003759 Jy/beam ! Clean residual mean=-0.000008 rms=0.000970 Jy/beam ! Combined flux in latest and established models = 1.51877 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 178 components and 1.51877 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=0.030903Jy sigma=0.693247 ! Fit after self-cal, rms=0.030809Jy sigma=0.689549 wmodel J1642+6856_C_map.mod ! Writing 178 model components to file: J1642+6856_C_map.mod wobs J1642+6856_C_uvs.fits ! Writing UV FITS file: J1642+6856_C_uvs.fits wwins J1642+6856_C_map.win ! wwins: Wrote 4 windows to J1642+6856_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 = -0.0014764 Jy ! Component: 100 - total flux cleaned = -0.00240593 Jy ! Component: 150 - total flux cleaned = -0.00263891 Jy ! Component: 200 - total flux cleaned = -0.00294851 Jy ! Component: 250 - total flux cleaned = -0.00314123 Jy ! Component: 300 - total flux cleaned = -0.00318676 Jy ! Component: 350 - total flux cleaned = -0.00345094 Jy ! Component: 400 - total flux cleaned = -0.00340725 Jy ! Component: 450 - total flux cleaned = -0.0034497 Jy ! Component: 500 - total flux cleaned = -0.00356664 Jy ! Component: 550 - total flux cleaned = -0.0035292 Jy ! Component: 600 - total flux cleaned = -0.00356527 Jy ! Component: 650 - total flux cleaned = -0.00370303 Jy ! Component: 700 - total flux cleaned = -0.00380363 Jy ! Component: 750 - total flux cleaned = -0.00399883 Jy ! Component: 800 - total flux cleaned = -0.00412387 Jy ! Component: 850 - total flux cleaned = -0.00424542 Jy ! Component: 900 - total flux cleaned = -0.00433446 Jy ! Component: 950 - total flux cleaned = -0.00444953 Jy ! Component: 1000 - total flux cleaned = -0.00456124 Jy ! Component: 1050 - total flux cleaned = -0.00464288 Jy ! Component: 1100 - total flux cleaned = -0.00480074 Jy ! Component: 1150 - total flux cleaned = -0.00492809 Jy ! Component: 1200 - total flux cleaned = -0.00502813 Jy ! Component: 1250 - total flux cleaned = -0.00517306 Jy ! Component: 1300 - total flux cleaned = -0.0053138 Jy ! Component: 1350 - total flux cleaned = -0.00536027 Jy ! Component: 1400 - total flux cleaned = -0.00549537 Jy ! Component: 1450 - total flux cleaned = -0.00553946 Jy ! Component: 1500 - total flux cleaned = -0.005583 Jy ! Component: 1550 - total flux cleaned = -0.00566696 Jy ! Component: 1600 - total flux cleaned = -0.00574846 Jy ! Component: 1650 - total flux cleaned = -0.00574816 Jy ! Component: 1700 - total flux cleaned = -0.00578677 Jy ! Component: 1750 - total flux cleaned = -0.00582428 Jy ! Component: 1800 - total flux cleaned = -0.00593589 Jy ! Component: 1850 - total flux cleaned = -0.00599037 Jy ! Component: 1900 - total flux cleaned = -0.00606161 Jy ! Component: 1950 - total flux cleaned = -0.00614937 Jy ! Component: 2000 - total flux cleaned = -0.00620085 Jy ! Component: 2050 - total flux cleaned = -0.00625139 Jy ! Component: 2100 - total flux cleaned = -0.00628476 Jy ! Component: 2150 - total flux cleaned = -0.00638256 Jy ! Component: 2200 - total flux cleaned = -0.00641406 Jy ! Component: 2250 - total flux cleaned = -0.00646104 Jy ! Component: 2300 - total flux cleaned = -0.00649174 Jy ! Component: 2350 - total flux cleaned = -0.00655229 Jy ! Component: 2400 - total flux cleaned = -0.00656711 Jy ! Component: 2450 - total flux cleaned = -0.00658209 Jy ! Component: 2500 - total flux cleaned = -0.0066252 Jy ! Component: 2550 - total flux cleaned = -0.00661102 Jy ! Component: 2600 - total flux cleaned = -0.00658337 Jy ! Component: 2650 - total flux cleaned = -0.00665218 Jy ! Component: 2700 - total flux cleaned = -0.00665191 Jy ! Component: 2750 - total flux cleaned = -0.00669179 Jy ! Component: 2800 - total flux cleaned = -0.00671772 Jy ! Component: 2850 - total flux cleaned = -0.00670486 Jy ! Component: 2900 - total flux cleaned = -0.00673009 Jy ! Component: 2950 - total flux cleaned = -0.00670492 Jy ! Component: 3000 - total flux cleaned = -0.00672979 Jy ! Component: 3050 - total flux cleaned = -0.00674214 Jy ! Component: 3100 - total flux cleaned = -0.0067542 Jy ! Component: 3150 - total flux cleaned = -0.00680167 Jy ! Component: 3200 - total flux cleaned = -0.00683667 Jy ! Component: 3250 - total flux cleaned = -0.00690578 Jy ! Component: 3300 - total flux cleaned = -0.00693995 Jy ! Component: 3350 - total flux cleaned = -0.00699608 Jy ! Component: 3400 - total flux cleaned = -0.00705152 Jy ! Component: 3450 - total flux cleaned = -0.0071173 Jy ! Component: 3500 - total flux cleaned = -0.00716058 Jy ! Component: 3550 - total flux cleaned = -0.00724652 Jy ! Component: 3600 - total flux cleaned = -0.00736329 Jy ! Component: 3650 - total flux cleaned = -0.00744722 Jy ! Component: 3700 - total flux cleaned = -0.00752002 Jy ! Component: 3750 - total flux cleaned = -0.00759209 Jy ! Component: 3800 - total flux cleaned = -0.00767349 Jy ! Component: 3850 - total flux cleaned = -0.00772403 Jy ! Component: 3900 - total flux cleaned = -0.0077642 Jy ! Component: 3950 - total flux cleaned = -0.00785347 Jy ! Component: 4000 - total flux cleaned = -0.00788294 Jy ! Component: 4050 - total flux cleaned = -0.00796086 Jy ! Total flux subtracted in 4096 components = -0.00799001 Jy ! Clean residual min=-0.000556 max=0.000534 Jy/beam ! Clean residual mean=-0.000002 rms=0.000172 Jy/beam ! Combined flux in latest and established models = 1.51078 Jy keep ! Adding 277 model components to the UV plane model. ! The established model now contains 455 components and 1.51078 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1642+6856_C_20180724_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.931 x 5.234 at 54.78 degrees (North through East) ! Clean map min=-0.0026201 max=1.1929 Jy/beam ! Writing clean map to FITS file: .//J1642+6856_C_20180724_map.fits wmodel .//J1642+6856_C_20180724_map.mod ! Writing 455 model components to file: .//J1642+6856_C_20180724_map.mod wobs .//J1642+6856_C_20180724_uvs.fits ! Writing UV FITS file: .//J1642+6856_C_20180724_uvs.fits wwins .//J1642+6856_C_20180724_map.win ! wwins: Wrote 5 windows to .//J1642+6856_C_20180724_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.19288 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000168175 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0422947 0.0422947 0.0845894 0.169179 0.338358 0.676715 1.35343 2.70686 5.41372 10.8274 21.6549 43.3098 86.6195 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.192 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 7093.09 quit ! Quitting program ! Log file .//J1642+6856_C_20180724_dfm.log closed on Wed Aug 8 14:54:08 2018