! Started logfile: /vlbi/bs262/maps//J0642+6758_X_20180408_dfm.log on Mon Jun 4 23:19:22 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/bs262/maps//J0642+6758_X_20180408_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0642+6758_X_20180408_uva.fits ! AN table 1: 22 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.955556 visibilities/baseline/integration-bin. ! Found source: J0642+6758 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 7568 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J0642+6758_X] 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 0.200x0.200 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. ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.050557Jy sigma=18.287392 ! Fit after self-cal, rms=0.753125Jy sigma=12.949184 ! 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=0.7087 mas, bmaj=3.064 mas, bpa=-2.999 degrees ! Estimated noise=0.829089 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 = 0.175167 Jy ! Component: 100 - total flux cleaned = 0.239051 Jy ! Total flux subtracted in 100 components = 0.239051 Jy ! Clean residual min=-0.014148 max=0.030014 Jy/beam ! Clean residual mean=-0.000007 rms=0.003184 Jy/beam ! Combined flux in latest and established models = 0.239051 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.239051 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=0.082997Jy sigma=1.335225 ! Fit after self-cal, rms=0.082183Jy sigma=1.327075 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0346638 Jy ! Component: 100 - total flux cleaned = 0.0536162 Jy ! Total flux subtracted in 100 components = 0.0536162 Jy ! Clean residual min=-0.008064 max=0.011661 Jy/beam ! Clean residual mean=-0.000003 rms=0.001824 Jy/beam ! Combined flux in latest and established models = 0.292667 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 10 components and 0.292667 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=0.059196Jy sigma=0.856616 ! Fit after self-cal, rms=0.058956Jy sigma=0.854091 ! Inverting map ! Added new window around map position (1.8, 6.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100695 Jy ! Component: 100 - total flux cleaned = 0.0131263 Jy ! Total flux subtracted in 100 components = 0.0131263 Jy ! Clean residual min=-0.007449 max=0.009744 Jy/beam ! Clean residual mean=-0.000001 rms=0.001586 Jy/beam ! Combined flux in latest and established models = 0.305793 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 19 components and 0.305793 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=0.055501Jy sigma=0.794577 ! Fit after self-cal, rms=0.055388Jy sigma=0.792713 ! 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=0.9073 mas, bmaj=3.147 mas, bpa=-2.982 degrees ! Estimated noise=0.491707 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 (-1.8, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0110853 Jy ! Component: 100 - total flux cleaned = 0.0151432 Jy ! Component: 150 - total flux cleaned = 0.0168525 Jy ! Component: 200 - total flux cleaned = 0.0170139 Jy ! Total flux subtracted in 200 components = 0.0170139 Jy ! Clean residual min=-0.004850 max=0.007042 Jy/beam ! Clean residual mean=-0.000001 rms=0.001133 Jy/beam ! Combined flux in latest and established models = 0.322807 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 38 components and 0.322807 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=0.052595Jy sigma=0.743141 ! Fit after self-cal, rms=0.052480Jy sigma=0.741728 ! Inverting map ! Added new window around map position (35.6, 21.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00387329 Jy ! Component: 100 - total flux cleaned = 0.00488052 Jy ! Component: 150 - total flux cleaned = 0.00535309 Jy ! Component: 200 - total flux cleaned = 0.0054577 Jy ! Total flux subtracted in 200 components = 0.0054577 Jy ! Clean residual min=-0.004439 max=0.004690 Jy/beam ! Clean residual mean=-0.000000 rms=0.000910 Jy/beam ! Combined flux in latest and established models = 0.328265 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 58 components and 0.328265 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=0.051577Jy sigma=0.725418 ! Fit after self-cal, rms=0.051514Jy sigma=0.724218 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9073 x 3.147 at -2.982 degrees (North through East) ! Clean map min=-0.0039989 max=0.24364 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.01 HN 0.98 KP 0.96 ! LA 0.99 MK 1.06 NL 1.03 OV 1.02 ! PT 0.97 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.02 HN 0.96 KP 0.98 ! LA 1.00 MK 1.08 NL 1.04 OV 1.02 ! PT 0.98 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.00 HN 0.97 KP 0.97 ! LA 1.01 MK 1.07 NL 1.02 OV 1.01 ! PT 0.99 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 HN 0.97 KP 0.98 ! LA 1.01 MK 1.08 NL 1.02 OV 1.01 ! PT 1.00 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 0.98 KP 0.99 ! LA 1.03 MK 1.11 NL 1.03 OV 1.03 ! PT 0.99 SC 1.03 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 HN 1.01 KP 0.98 ! LA 1.01 MK 1.05 NL 1.03 OV 1.04 ! PT 0.99 SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.01 HN 1.00 KP 1.00 ! LA 0.99 MK 1.09 NL 1.03 OV 1.01 ! PT 1.01 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.02 HN 0.99 KP 0.97 ! LA 1.00 MK 1.09 NL 1.03 OV 1.02 ! PT 1.00 SC 1.02 ! ! ! Fit before self-cal, rms=0.051514Jy sigma=0.724218 ! Fit after self-cal, rms=0.051215Jy sigma=0.702664 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9203 mas, bmaj=3.117 mas, bpa=-3.123 degrees ! Estimated noise=0.495874 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 = -0.000569084 Jy ! Component: 100 - total flux cleaned = -0.000645154 Jy ! Component: 150 - total flux cleaned = -0.000779012 Jy ! Component: 200 - total flux cleaned = -0.000838883 Jy ! Total flux subtracted in 200 components = -0.000838883 Jy ! Clean residual min=-0.002934 max=0.003131 Jy/beam ! Clean residual mean=0.000001 rms=0.000671 Jy/beam ! Combined flux in latest and established models = 0.327426 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 87 components and 0.327426 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=0.050991Jy sigma=0.699172 ! Fit after self-cal, rms=0.050951Jy sigma=0.699062 ! 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=0.050951Jy sigma=0.699062 ! Fit after self-cal, rms=0.051200Jy sigma=0.698706 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9232 mas, bmaj=3.112 mas, bpa=-3.163 degrees ! Estimated noise=0.496692 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000574733 Jy ! Component: 100 - total flux cleaned = -0.000512323 Jy ! Component: 150 - total flux cleaned = -0.000512218 Jy ! Component: 200 - total flux cleaned = -0.000459386 Jy ! Total flux subtracted in 200 components = -0.000459386 Jy ! Clean residual min=-0.002853 max=0.002913 Jy/beam ! Clean residual mean=0.000001 rms=0.000646 Jy/beam ! Combined flux in latest and established models = 0.326967 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 106 components and 0.326967 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=0.051050Jy sigma=0.696601 ! Fit after self-cal, rms=0.051039Jy sigma=0.696536 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 = -8.86193e-05 Jy ! Component: 100 - total flux cleaned = -4.0304e-05 Jy ! Component: 150 - total flux cleaned = -4.12514e-05 Jy ! Component: 200 - total flux cleaned = -8.4528e-05 Jy ! Total flux subtracted in 200 components = -8.4528e-05 Jy ! Clean residual min=-0.002860 max=0.002839 Jy/beam ! Clean residual mean=0.000001 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.326882 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 117 components and 0.326882 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=0.050953Jy sigma=0.695268 ! Fit after self-cal, rms=0.050945Jy sigma=0.695218 ! 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=0.050945Jy sigma=0.695218 ! Fit after self-cal, rms=0.052225Jy sigma=0.693013 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9313 mas, bmaj=3.104 mas, bpa=-3.27 degrees ! Estimated noise=0.500243 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000358933 Jy ! Component: 100 - total flux cleaned = -0.000360549 Jy ! Component: 150 - total flux cleaned = -0.000418675 Jy ! Component: 200 - total flux cleaned = -0.000417058 Jy ! Total flux subtracted in 200 components = -0.000417058 Jy ! Clean residual min=-0.002720 max=0.002525 Jy/beam ! Clean residual mean=0.000001 rms=0.000601 Jy/beam ! Combined flux in latest and established models = 0.326465 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 131 components and 0.326465 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=0.052014Jy sigma=0.691008 ! Fit after self-cal, rms=0.052015Jy sigma=0.690921 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 = -0.000490704 Jy ! Component: 100 - total flux cleaned = -0.000533434 Jy ! Component: 150 - total flux cleaned = -0.000533594 Jy ! Component: 200 - total flux cleaned = -0.000532849 Jy ! Total flux subtracted in 200 components = -0.000532849 Jy ! Clean residual min=-0.002739 max=0.002431 Jy/beam ! Clean residual mean=0.000000 rms=0.000590 Jy/beam ! Combined flux in latest and established models = 0.325932 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 141 components and 0.325932 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=0.051939Jy sigma=0.690012 ! Fit after self-cal, rms=0.051933Jy sigma=0.689961 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.051933Jy sigma=0.689961 ! Fit after self-cal, rms=0.052762Jy sigma=0.687985 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.069 mas, bmaj=3.423 mas, bpa=-8.016 degrees ! Estimated noise=0.592203 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000341905 Jy ! Component: 100 - total flux cleaned = 0.000380523 Jy ! Component: 150 - total flux cleaned = 0.000351273 Jy ! Component: 200 - total flux cleaned = 0.000249207 Jy ! Total flux subtracted in 200 components = 0.000249207 Jy ! Clean residual min=-0.001934 max=0.001657 Jy/beam ! Clean residual mean=0.000000 rms=0.000478 Jy/beam ! Combined flux in latest and established models = 0.326182 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 159 components and 0.326181 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=0.052760Jy sigma=0.687800 ! Fit after self-cal, rms=0.052756Jy sigma=0.687686 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 = -0.000128683 Jy ! Component: 100 - total flux cleaned = -0.000299674 Jy ! Component: 150 - total flux cleaned = -0.000455229 Jy ! Component: 200 - total flux cleaned = -0.000597194 Jy ! Total flux subtracted in 200 components = -0.000597194 Jy ! Clean residual min=-0.001869 max=0.001540 Jy/beam ! Clean residual mean=0.000000 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.325584 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 169 components and 0.325584 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=0.052757Jy sigma=0.687726 ! Fit after self-cal, rms=0.052753Jy sigma=0.687683 ! 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=0.9364 mas, bmaj=3.098 mas, bpa=-3.347 degrees ! Estimated noise=0.502661 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9364 x 3.098 at -3.347 degrees (North through East) ! Clean map min=-0.0024628 max=0.24982 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=0.7285 mas, bmaj=2.997 mas, bpa=-3.372 degrees ! Estimated noise=0.866539 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.181903 Jy ! Component: 100 - total flux cleaned = 0.246015 Jy ! Component: 150 - total flux cleaned = 0.278468 Jy ! Component: 200 - total flux cleaned = 0.295802 Jy ! Total flux subtracted in 200 components = 0.295802 Jy ! Clean residual min=-0.006008 max=0.008411 Jy/beam ! Clean residual mean=-0.000001 rms=0.001509 Jy/beam ! Combined flux in latest and established models = 0.295802 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.295802 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9364 mas, bmaj=3.098 mas, bpa=-3.347 degrees ! Estimated noise=0.502661 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 = 0.0139632 Jy ! Component: 100 - total flux cleaned = 0.0210565 Jy ! Component: 150 - total flux cleaned = 0.0250685 Jy ! Component: 200 - total flux cleaned = 0.0261675 Jy ! Total flux subtracted in 200 components = 0.0261675 Jy ! Clean residual min=-0.003132 max=0.003595 Jy/beam ! Clean residual mean=0.000000 rms=0.000665 Jy/beam ! Combined flux in latest and established models = 0.32197 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 31 components and 0.32197 Jy ! Inverting map ! Added new window around map position (-5.6, -36.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000977306 Jy ! Component: 100 - total flux cleaned = 0.000972629 Jy ! Component: 150 - total flux cleaned = 0.00105889 Jy ! Component: 200 - total flux cleaned = 0.00130216 Jy ! Total flux subtracted in 200 components = 0.00130216 Jy ! Clean residual min=-0.002951 max=0.002913 Jy/beam ! Clean residual mean=0.000000 rms=0.000606 Jy/beam ! Combined flux in latest and established models = 0.323272 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 57 components and 0.323272 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.069 mas, bmaj=3.423 mas, bpa=-8.016 degrees ! Estimated noise=0.592203 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0017877 Jy ! Component: 100 - total flux cleaned = 0.00200931 Jy ! Component: 150 - total flux cleaned = 0.00200648 Jy ! Component: 200 - total flux cleaned = 0.00200617 Jy ! Total flux subtracted in 200 components = 0.00200617 Jy ! Clean residual min=-0.001999 max=0.001610 Jy/beam ! Clean residual mean=0.000000 rms=0.000467 Jy/beam ! Combined flux in latest and established models = 0.325278 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 = 1.14162e-06 Jy ! Component: 100 - total flux cleaned = 3.28296e-06 Jy ! Component: 150 - total flux cleaned = 3.01353e-05 Jy ! Component: 200 - total flux cleaned = 2.9316e-05 Jy ! Total flux subtracted in 200 components = 2.9316e-05 Jy ! Clean residual min=-0.001864 max=0.001536 Jy/beam ! Clean residual mean=0.000001 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.325307 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 86 components and 0.325307 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9364 mas, bmaj=3.098 mas, bpa=-3.347 degrees ! Estimated noise=0.502661 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.16734e-05 Jy ! Component: 100 - total flux cleaned = -0.000158103 Jy ! Component: 150 - total flux cleaned = -0.000155088 Jy ! Component: 200 - total flux cleaned = -0.000270408 Jy ! Total flux subtracted in 200 components = -0.000270408 Jy ! Clean residual min=-0.002622 max=0.002479 Jy/beam ! Clean residual mean=0.000001 rms=0.000541 Jy/beam ! Combined flux in latest and established models = 0.325037 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 107 components and 0.325037 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=0.052494Jy sigma=0.684892 ! Fit after self-cal, rms=0.052382Jy sigma=0.684208 wmodel J0642+6758_X_map.mod ! Writing 107 model components to file: J0642+6758_X_map.mod wobs J0642+6758_X_uvs.fits ! Writing UV FITS file: J0642+6758_X_uvs.fits wwins J0642+6758_X_map.win ! wwins: Wrote 5 windows to J0642+6758_X_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 = -0.000370784 Jy ! Component: 100 - total flux cleaned = -0.000210393 Jy ! Component: 150 - total flux cleaned = 1.97736e-05 Jy ! Component: 200 - total flux cleaned = 9.38524e-05 Jy ! Component: 250 - total flux cleaned = 0.00020051 Jy ! Component: 300 - total flux cleaned = 0.00013119 Jy ! Component: 350 - total flux cleaned = 0.000131547 Jy ! Component: 400 - total flux cleaned = 0.000130684 Jy ! Component: 450 - total flux cleaned = 0.000259405 Jy ! Component: 500 - total flux cleaned = 0.000417476 Jy ! Component: 550 - total flux cleaned = 0.000572701 Jy ! Component: 600 - total flux cleaned = 0.000724631 Jy ! Component: 650 - total flux cleaned = 0.000783416 Jy ! Component: 700 - total flux cleaned = 0.000812718 Jy ! Component: 750 - total flux cleaned = 0.000871266 Jy ! Component: 800 - total flux cleaned = 0.000985742 Jy ! Component: 850 - total flux cleaned = 0.00101385 Jy ! Component: 900 - total flux cleaned = 0.001069 Jy ! Component: 950 - total flux cleaned = 0.00106883 Jy ! Component: 1000 - total flux cleaned = 0.00112221 Jy ! Component: 1050 - total flux cleaned = 0.00120151 Jy ! Component: 1100 - total flux cleaned = 0.00125336 Jy ! Component: 1150 - total flux cleaned = 0.00117582 Jy ! Component: 1200 - total flux cleaned = 0.00120189 Jy ! Component: 1250 - total flux cleaned = 0.00130249 Jy ! Component: 1300 - total flux cleaned = 0.0013022 Jy ! Component: 1350 - total flux cleaned = 0.0013267 Jy ! Component: 1400 - total flux cleaned = 0.00139955 Jy ! Component: 1450 - total flux cleaned = 0.00137595 Jy ! Component: 1500 - total flux cleaned = 0.00147101 Jy ! Component: 1550 - total flux cleaned = 0.00156488 Jy ! Component: 1600 - total flux cleaned = 0.00163423 Jy ! Component: 1650 - total flux cleaned = 0.00167986 Jy ! Component: 1700 - total flux cleaned = 0.00179317 Jy ! Component: 1750 - total flux cleaned = 0.00183807 Jy ! Component: 1800 - total flux cleaned = 0.00190494 Jy ! Component: 1850 - total flux cleaned = 0.00201532 Jy ! Component: 1900 - total flux cleaned = 0.00203671 Jy ! Component: 1950 - total flux cleaned = 0.00205847 Jy ! Component: 2000 - total flux cleaned = 0.00208011 Jy ! Component: 2050 - total flux cleaned = 0.00214374 Jy ! Component: 2100 - total flux cleaned = 0.00218587 Jy ! Component: 2150 - total flux cleaned = 0.002186 Jy ! Component: 2200 - total flux cleaned = 0.00228968 Jy ! Component: 2250 - total flux cleaned = 0.00233045 Jy ! Component: 2300 - total flux cleaned = 0.00243201 Jy ! Component: 2350 - total flux cleaned = 0.00245191 Jy ! Component: 2400 - total flux cleaned = 0.00249174 Jy ! Component: 2450 - total flux cleaned = 0.00255126 Jy ! Component: 2500 - total flux cleaned = 0.00262947 Jy ! Component: 2550 - total flux cleaned = 0.0026296 Jy ! Component: 2600 - total flux cleaned = 0.00274547 Jy ! Component: 2650 - total flux cleaned = 0.0027835 Jy ! Component: 2700 - total flux cleaned = 0.00280244 Jy ! Component: 2750 - total flux cleaned = 0.00293426 Jy ! Component: 2800 - total flux cleaned = 0.00293407 Jy ! Component: 2850 - total flux cleaned = 0.00297118 Jy ! Component: 2900 - total flux cleaned = 0.00297116 Jy ! Component: 2950 - total flux cleaned = 0.00308084 Jy ! Component: 3000 - total flux cleaned = 0.0030989 Jy ! Component: 3050 - total flux cleaned = 0.00318891 Jy ! Component: 3100 - total flux cleaned = 0.00324244 Jy ! Component: 3150 - total flux cleaned = 0.00327803 Jy ! Component: 3200 - total flux cleaned = 0.00340132 Jy ! Component: 3250 - total flux cleaned = 0.00341856 Jy ! Component: 3300 - total flux cleaned = 0.00345329 Jy ! Component: 3350 - total flux cleaned = 0.00348779 Jy ! Component: 3400 - total flux cleaned = 0.00357316 Jy ! Component: 3450 - total flux cleaned = 0.00355619 Jy ! Component: 3500 - total flux cleaned = 0.0036742 Jy ! Component: 3550 - total flux cleaned = 0.00365733 Jy ! Component: 3600 - total flux cleaned = 0.00367384 Jy ! Component: 3650 - total flux cleaned = 0.00365726 Jy ! Component: 3700 - total flux cleaned = 0.00372287 Jy ! Component: 3750 - total flux cleaned = 0.00375547 Jy ! Component: 3800 - total flux cleaned = 0.00370691 Jy ! Component: 3850 - total flux cleaned = 0.00369093 Jy ! Component: 3900 - total flux cleaned = 0.00375486 Jy ! Component: 3950 - total flux cleaned = 0.00380249 Jy ! Component: 4000 - total flux cleaned = 0.00386535 Jy ! Component: 4050 - total flux cleaned = 0.00384955 Jy ! Total flux subtracted in 4096 components = 0.00386502 Jy ! Clean residual min=-0.000968 max=0.000960 Jy/beam ! Clean residual mean=0.000001 rms=0.000279 Jy/beam ! Combined flux in latest and established models = 0.328902 Jy keep ! Adding 307 model components to the UV plane model. ! The established model now contains 414 components and 0.328902 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0642+6758_X_20180408_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9364 x 3.098 at -3.347 degrees (North through East) ! Clean map min=-0.0022453 max=0.25261 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0642+6758_X_20180408_map.fits wmodel /vlbi/bs262/maps//J0642+6758_X_20180408_map.mod ! Writing 414 model components to file: /vlbi/bs262/maps//J0642+6758_X_20180408_map.mod wobs /vlbi/bs262/maps//J0642+6758_X_20180408_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0642+6758_X_20180408_uvs.fits wwins /vlbi/bs262/maps//J0642+6758_X_20180408_map.win ! wwins: Wrote 6 windows to /vlbi/bs262/maps//J0642+6758_X_20180408_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.252609 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0002792 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.33158 0.33158 0.663159 1.32632 2.65264 5.30527 10.6105 21.2211 42.4422 84.8844 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.252 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 904.76 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0642+6758_X_20180408_dfm.log closed on Mon Jun 4 23:19:27 2018