! Started logfile: /vlbi/uf001/uva//J1955+1358_X_dfm.log on Mon Jan 14 05:17:36 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J1955+1358_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1955+1358_X_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.978544 visibilities/baseline/integration-bin. ! Found source: J1955+1358 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 45972 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 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 J1955+1358_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 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.009171Jy sigma=22.111512 ! Fit after self-cal, rms=0.830129Jy sigma=18.711382 ! 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=0.6792 mas, bmaj=1.658 mas, bpa=-3.82 degrees ! Estimated noise=0.296033 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 = 0.117886 Jy ! Component: 100 - total flux cleaned = 0.147418 Jy ! Total flux subtracted in 100 components = 0.147418 Jy ! Clean residual min=-0.007008 max=0.012045 Jy/beam ! Clean residual mean=-0.000002 rms=0.001346 Jy/beam ! Combined flux in latest and established models = 0.147418 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.147418 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.123533Jy sigma=1.388127 ! Fit after self-cal, rms=0.123520Jy sigma=1.387692 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0128433 Jy ! Component: 100 - total flux cleaned = 0.0191715 Jy ! Total flux subtracted in 100 components = 0.0191715 Jy ! Clean residual min=-0.006825 max=0.007974 Jy/beam ! Clean residual mean=-0.000000 rms=0.001252 Jy/beam ! Combined flux in latest and established models = 0.166589 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 15 components and 0.166589 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.119413Jy sigma=1.355127 ! Fit after self-cal, rms=0.119394Jy sigma=1.354465 ! Inverting map ! Added new window around map position (2, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00681074 Jy ! Component: 100 - total flux cleaned = 0.0107174 Jy ! Total flux subtracted in 100 components = 0.0107174 Jy ! Clean residual min=-0.006063 max=0.007672 Jy/beam ! Clean residual mean=0.000001 rms=0.001208 Jy/beam ! Combined flux in latest and established models = 0.177307 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 26 components and 0.177307 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.118203Jy sigma=1.346508 ! Fit after self-cal, rms=0.118151Jy sigma=1.345040 ! 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=0.8549 mas, bmaj=1.917 mas, bpa=-3.141 degrees ! Estimated noise=0.158905 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 = 0.00492729 Jy ! Component: 100 - total flux cleaned = 0.00845696 Jy ! Component: 150 - total flux cleaned = 0.0111171 Jy ! Component: 200 - total flux cleaned = 0.0131407 Jy ! Total flux subtracted in 200 components = 0.0131407 Jy ! Clean residual min=-0.007926 max=0.007163 Jy/beam ! Clean residual mean=0.000004 rms=0.001532 Jy/beam ! Combined flux in latest and established models = 0.190447 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 38 components and 0.190447 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.116932Jy sigma=1.346309 ! Fit after self-cal, rms=0.116916Jy sigma=1.345878 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8549 x 1.917 at -3.141 degrees (North through East) ! Clean map min=-0.0076618 max=0.15309 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.03 HN 0.97 KP 0.90 ! LA 1.04 MK 1.02 NL 1.13 OV 0.96 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 0.98 KP 0.87 ! LA 1.05 MK 1.01 NL 1.13 OV 0.96 ! PT 0.98 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.04 HN 0.99 KP 0.91 ! LA 1.05 MK 1.01 NL 1.13 OV 0.96 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.04 HN 0.99 KP 0.91 ! LA 1.05 MK 1.01 NL 1.13 OV 0.96 ! PT 0.98 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.04 HN 0.99 KP 0.92 ! LA 1.06 MK 1.02 NL 1.12 OV 0.96 ! PT 0.98 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 0.99 KP 0.90 ! LA 1.05 MK 1.00 NL 1.13 OV 0.96 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.04 HN 1.00 KP 0.88 ! LA 1.05 MK 1.01 NL 1.14 OV 0.96 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 0.98 KP 0.86 ! LA 1.05 MK 1.02 NL 1.13 OV 0.95 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 0.98 KP 0.89 ! LA 1.05 MK 1.01 NL 1.13 OV 0.95 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.03 HN 0.99 KP 0.89 ! LA 1.06 MK 1.01 NL 1.13 OV 0.95 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 0.99 KP 0.91 ! LA 1.05 MK 1.02 NL 1.13 OV 0.96 ! PT 0.99 SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.03 HN 0.99 KP 0.85 ! LA 1.06 MK 1.01 NL 1.13 OV 0.97 ! PT 0.99 SC 0.99 ! ! ! Fit before self-cal, rms=0.116916Jy sigma=1.345878 ! Fit after self-cal, rms=0.104807Jy sigma=1.309220 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8488 mas, bmaj=1.923 mas, bpa=-2.873 degrees ! Estimated noise=0.164351 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 = 0.00466084 Jy ! Component: 100 - total flux cleaned = 0.00485618 Jy ! Component: 150 - total flux cleaned = 0.00506135 Jy ! Component: 200 - total flux cleaned = 0.00511424 Jy ! Total flux subtracted in 200 components = 0.00511424 Jy ! Clean residual min=-0.006768 max=0.005057 Jy/beam ! Clean residual mean=0.000005 rms=0.001418 Jy/beam ! Combined flux in latest and established models = 0.195562 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 50 components and 0.195562 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.103806Jy sigma=1.310344 ! Fit after self-cal, rms=0.103762Jy sigma=1.309887 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.103762Jy sigma=1.309887 ! Fit after self-cal, rms=0.067385Jy sigma=1.218362 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8468 mas, bmaj=1.924 mas, bpa=-2.963 degrees ! Estimated noise=0.165555 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000463447 Jy ! Component: 100 - total flux cleaned = -0.000588409 Jy ! Component: 150 - total flux cleaned = -0.000910224 Jy ! Component: 200 - total flux cleaned = -0.00120802 Jy ! Total flux subtracted in 200 components = -0.00120802 Jy ! Clean residual min=-0.003077 max=0.002613 Jy/beam ! Clean residual mean=-0.000001 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 0.194354 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 59 components and 0.194354 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.067251Jy sigma=1.216416 ! Fit after self-cal, rms=0.067207Jy sigma=1.215806 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 = -0.000368109 Jy ! Component: 100 - total flux cleaned = -0.000588217 Jy ! Component: 150 - total flux cleaned = -0.000797607 Jy ! Component: 200 - total flux cleaned = -0.000954456 Jy ! Total flux subtracted in 200 components = -0.000954456 Jy ! Clean residual min=-0.003048 max=0.002608 Jy/beam ! Clean residual mean=-0.000001 rms=0.000793 Jy/beam ! Combined flux in latest and established models = 0.193399 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 64 components and 0.193399 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.067180Jy sigma=1.215277 ! Fit after self-cal, rms=0.067176Jy sigma=1.215221 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.067176Jy sigma=1.215221 ! Fit after self-cal, rms=0.060054Jy sigma=1.179182 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8463 mas, bmaj=1.929 mas, bpa=-2.976 degrees ! Estimated noise=0.165379 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00122615 Jy ! Component: 100 - total flux cleaned = -0.00165122 Jy ! Component: 150 - total flux cleaned = -0.00188165 Jy ! Component: 200 - total flux cleaned = -0.00204505 Jy ! Total flux subtracted in 200 components = -0.00204505 Jy ! Clean residual min=-0.001008 max=0.001571 Jy/beam ! Clean residual mean=-0.000000 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.191354 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 70 components and 0.191354 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060006Jy sigma=1.178131 ! Fit after self-cal, rms=0.059977Jy sigma=1.177852 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 (-1.6, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00148275 Jy ! Component: 100 - total flux cleaned = 0.00169618 Jy ! Component: 150 - total flux cleaned = 0.00172157 Jy ! Component: 200 - total flux cleaned = 0.00172092 Jy ! Total flux subtracted in 200 components = 0.00172092 Jy ! Clean residual min=-0.000912 max=0.000965 Jy/beam ! Clean residual mean=0.000000 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.193075 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 91 components and 0.193075 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059932Jy sigma=1.176859 ! Fit after self-cal, rms=0.059928Jy sigma=1.176779 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059928Jy sigma=1.176779 ! Fit after self-cal, rms=0.059795Jy sigma=1.176686 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.037 mas, bmaj=2.945 mas, bpa=-3.333 degrees ! Estimated noise=0.217355 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000330057 Jy ! Component: 100 - total flux cleaned = -0.000388025 Jy ! Component: 150 - total flux cleaned = -0.000449496 Jy ! Component: 200 - total flux cleaned = -0.000496574 Jy ! Total flux subtracted in 200 components = -0.000496574 Jy ! Clean residual min=-0.001186 max=0.000872 Jy/beam ! Clean residual mean=0.000000 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.192579 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 113 components and 0.192579 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059782Jy sigma=1.176418 ! Fit after self-cal, rms=0.059778Jy sigma=1.176349 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 = -7.04695e-08 Jy ! Component: 100 - total flux cleaned = -1.50041e-06 Jy ! Component: 150 - total flux cleaned = -1.50706e-05 Jy ! Component: 200 - total flux cleaned = -2.61537e-05 Jy ! Total flux subtracted in 200 components = -2.61537e-05 Jy ! Clean residual min=-0.001111 max=0.000860 Jy/beam ! Clean residual mean=-0.000000 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.192552 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 125 components and 0.192552 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059774Jy sigma=1.176255 ! Fit after self-cal, rms=0.059773Jy sigma=1.176231 ! 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=0.8453 mas, bmaj=1.929 mas, bpa=-3.023 degrees ! Estimated noise=0.165092 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8453 x 1.929 at -3.023 degrees (North through East) ! Clean map min=-0.00090609 max=0.15955 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=0.6702 mas, bmaj=1.666 mas, bpa=-3.529 degrees ! Estimated noise=0.307282 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.122227 Jy ! Component: 100 - total flux cleaned = 0.153687 Jy ! Component: 150 - total flux cleaned = 0.167211 Jy ! Component: 200 - total flux cleaned = 0.1737 Jy ! Total flux subtracted in 200 components = 0.1737 Jy ! Clean residual min=-0.002231 max=0.003233 Jy/beam ! Clean residual mean=-0.000002 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.1737 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.1737 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8453 mas, bmaj=1.929 mas, bpa=-3.023 degrees ! Estimated noise=0.165092 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 = 0.00556912 Jy ! Component: 100 - total flux cleaned = 0.00893581 Jy ! Component: 150 - total flux cleaned = 0.0112133 Jy ! Component: 200 - total flux cleaned = 0.0128774 Jy ! Total flux subtracted in 200 components = 0.0128774 Jy ! Clean residual min=-0.000954 max=0.001201 Jy/beam ! Clean residual mean=-0.000001 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.186577 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 56 components and 0.186577 Jy ! Inverting map ! Added new window around map position (0.8, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00137219 Jy ! Component: 100 - total flux cleaned = 0.00242758 Jy ! Component: 150 - total flux cleaned = 0.00327257 Jy ! Component: 200 - total flux cleaned = 0.00395481 Jy ! Total flux subtracted in 200 components = 0.00395481 Jy ! Clean residual min=-0.000841 max=0.000797 Jy/beam ! Clean residual mean=-0.000000 rms=0.000193 Jy/beam ! Combined flux in latest and established models = 0.190532 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 76 components and 0.190532 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=2.037 mas, bmaj=2.945 mas, bpa=-3.333 degrees ! Estimated noise=0.217355 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000822159 Jy ! Component: 100 - total flux cleaned = 0.00129877 Jy ! Component: 150 - total flux cleaned = 0.0014736 Jy ! Component: 200 - total flux cleaned = 0.00159864 Jy ! Total flux subtracted in 200 components = 0.00159864 Jy ! Clean residual min=-0.000969 max=0.000885 Jy/beam ! Clean residual mean=-0.000000 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.192131 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 = 5.95292e-05 Jy ! Component: 100 - total flux cleaned = 0.000102742 Jy ! Component: 150 - total flux cleaned = 0.000140567 Jy ! Component: 200 - total flux cleaned = 0.000178892 Jy ! Total flux subtracted in 200 components = 0.000178892 Jy ! Clean residual min=-0.000971 max=0.000877 Jy/beam ! Clean residual mean=-0.000000 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.19231 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 112 components and 0.19231 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8453 mas, bmaj=1.929 mas, bpa=-3.023 degrees ! Estimated noise=0.165092 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.1931e-06 Jy ! Component: 100 - total flux cleaned = 1.08382e-05 Jy ! Component: 150 - total flux cleaned = 1.03835e-05 Jy ! Component: 200 - total flux cleaned = 1.06354e-05 Jy ! Total flux subtracted in 200 components = 1.06354e-05 Jy ! Clean residual min=-0.000797 max=0.000769 Jy/beam ! Clean residual mean=-0.000000 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.19232 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 126 components and 0.19232 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059760Jy sigma=1.175970 ! Fit after self-cal, rms=0.059753Jy sigma=1.175843 wmodel J1955+1358_X_map.mod ! Writing 126 model components to file: J1955+1358_X_map.mod wobs J1955+1358_X_uvs.fits ! Writing UV FITS file: J1955+1358_X_uvs.fits wwins J1955+1358_X_map.win ! wwins: Wrote 4 windows to J1955+1358_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 = -0.000276122 Jy ! Component: 100 - total flux cleaned = -0.000557337 Jy ! Component: 150 - total flux cleaned = -0.000761818 Jy ! Component: 200 - total flux cleaned = -0.00092231 Jy ! Component: 250 - total flux cleaned = -0.0010545 Jy ! Component: 300 - total flux cleaned = -0.00116035 Jy ! Component: 350 - total flux cleaned = -0.00122972 Jy ! Component: 400 - total flux cleaned = -0.00128651 Jy ! Component: 450 - total flux cleaned = -0.00129763 Jy ! Component: 500 - total flux cleaned = -0.00131968 Jy ! Component: 550 - total flux cleaned = -0.0013522 Jy ! Component: 600 - total flux cleaned = -0.00134137 Jy ! Component: 650 - total flux cleaned = -0.00138353 Jy ! Component: 700 - total flux cleaned = -0.00138341 Jy ! Component: 750 - total flux cleaned = -0.00138326 Jy ! Component: 800 - total flux cleaned = -0.00139358 Jy ! Component: 850 - total flux cleaned = -0.0013834 Jy ! Component: 900 - total flux cleaned = -0.0014134 Jy ! Component: 950 - total flux cleaned = -0.00143301 Jy ! Component: 1000 - total flux cleaned = -0.00143291 Jy ! Component: 1050 - total flux cleaned = -0.00143277 Jy ! Component: 1100 - total flux cleaned = -0.0014136 Jy ! Component: 1150 - total flux cleaned = -0.00141363 Jy ! Component: 1200 - total flux cleaned = -0.00139485 Jy ! Component: 1250 - total flux cleaned = -0.00142259 Jy ! Component: 1300 - total flux cleaned = -0.00141323 Jy ! Component: 1350 - total flux cleaned = -0.00142239 Jy ! Component: 1400 - total flux cleaned = -0.0014494 Jy ! Component: 1450 - total flux cleaned = -0.0014135 Jy ! Component: 1500 - total flux cleaned = -0.00144022 Jy ! Component: 1550 - total flux cleaned = -0.00142262 Jy ! Component: 1600 - total flux cleaned = -0.00140515 Jy ! Component: 1650 - total flux cleaned = -0.00141372 Jy ! Component: 1700 - total flux cleaned = -0.00137935 Jy ! Component: 1750 - total flux cleaned = -0.00137929 Jy ! Component: 1800 - total flux cleaned = -0.00138778 Jy ! Component: 1850 - total flux cleaned = -0.00137091 Jy ! Component: 1900 - total flux cleaned = -0.00136254 Jy ! Component: 1950 - total flux cleaned = -0.00135422 Jy ! Component: 2000 - total flux cleaned = -0.00133773 Jy ! Component: 2050 - total flux cleaned = -0.00130505 Jy ! Component: 2100 - total flux cleaned = -0.00129698 Jy ! Component: 2150 - total flux cleaned = -0.00128089 Jy ! Component: 2200 - total flux cleaned = -0.00124081 Jy ! Component: 2250 - total flux cleaned = -0.00124086 Jy ! Component: 2300 - total flux cleaned = -0.00118542 Jy ! Component: 2350 - total flux cleaned = -0.00119334 Jy ! Component: 2400 - total flux cleaned = -0.00116993 Jy ! Component: 2450 - total flux cleaned = -0.00115438 Jy ! Component: 2500 - total flux cleaned = -0.00114682 Jy ! Component: 2550 - total flux cleaned = -0.00112383 Jy ! Component: 2600 - total flux cleaned = -0.00110101 Jy ! Component: 2650 - total flux cleaned = -0.00106321 Jy ! Component: 2700 - total flux cleaned = -0.00106324 Jy ! Component: 2750 - total flux cleaned = -0.00104078 Jy ! Component: 2800 - total flux cleaned = -0.00104084 Jy ! Component: 2850 - total flux cleaned = -0.000989256 Jy ! Component: 2900 - total flux cleaned = -0.000989223 Jy ! Component: 2950 - total flux cleaned = -0.000974663 Jy ! Component: 3000 - total flux cleaned = -0.000996419 Jy ! Component: 3050 - total flux cleaned = -0.00098206 Jy ! Component: 3100 - total flux cleaned = -0.000982038 Jy ! Component: 3150 - total flux cleaned = -0.000982065 Jy ! Component: 3200 - total flux cleaned = -0.000989155 Jy ! Component: 3250 - total flux cleaned = -0.000968061 Jy ! Component: 3300 - total flux cleaned = -0.000961128 Jy ! Component: 3350 - total flux cleaned = -0.000954214 Jy ! Component: 3400 - total flux cleaned = -0.000940394 Jy ! Component: 3450 - total flux cleaned = -0.000919695 Jy ! Component: 3500 - total flux cleaned = -0.000926595 Jy ! Component: 3550 - total flux cleaned = -0.000933448 Jy ! Component: 3600 - total flux cleaned = -0.000892654 Jy ! Component: 3650 - total flux cleaned = -0.00087911 Jy ! Component: 3700 - total flux cleaned = -0.000885865 Jy ! Component: 3750 - total flux cleaned = -0.00088586 Jy ! Component: 3800 - total flux cleaned = -0.000872504 Jy ! Component: 3850 - total flux cleaned = -0.000865844 Jy ! Component: 3900 - total flux cleaned = -0.000865863 Jy ! Component: 3950 - total flux cleaned = -0.000852741 Jy ! Component: 4000 - total flux cleaned = -0.000833126 Jy ! Component: 4050 - total flux cleaned = -0.000813675 Jy ! Total flux subtracted in 4096 components = -0.000807214 Jy ! Clean residual min=-0.000363 max=0.000369 Jy/beam ! Clean residual mean=-0.000000 rms=0.000112 Jy/beam ! Combined flux in latest and established models = 0.191513 Jy keep ! Adding 321 model components to the UV plane model. ! The established model now contains 447 components and 0.191513 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1955+1358_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8453 x 1.929 at -3.023 degrees (North through East) ! Clean map min=-0.00052666 max=0.16023 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1955+1358_X_map.fits wmodel /vlbi/uf001/uva//J1955+1358_X_map.mod ! Writing 447 model components to file: /vlbi/uf001/uva//J1955+1358_X_map.mod wobs /vlbi/uf001/uva//J1955+1358_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1955+1358_X_uvs.fits wwins /vlbi/uf001/uva//J1955+1358_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1955+1358_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.160234 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000111521 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.208797 0.208797 0.417594 0.835188 1.67038 3.34075 6.68151 13.363 26.726 53.452 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.16 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1436.8 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1955+1358_X_dfm.log closed on Mon Jan 14 05:17:42 2019