! Started logfile: /image_prod/ug002_uva//J1918+4937_X_dfm.log on Thu Mar 5 04:07:06 2020 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 /image_prod/ug002_uva//J1918+4937_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1918+4937_X_uva.fits ! AN table 1: 60 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.993056 visibilities/baseline/integration-bin. ! Found source: J1918+4937 ! ! 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 121 lines of history. ! ! Reading 25740 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 J1918+4937_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. ! ! 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=1.003646Jy sigma=9.508904 ! Fit after self-cal, rms=0.946607Jy sigma=8.945809 ! 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=0.7067 mas, bmaj=1.124 mas, bpa=-12.42 degrees ! Estimated noise=1.00021 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 = 0.0408347 Jy ! Component: 100 - total flux cleaned = 0.0525751 Jy ! Total flux subtracted in 100 components = 0.0525751 Jy ! Clean residual min=-0.003095 max=0.008261 Jy/beam ! Clean residual mean=0.000004 rms=0.000811 Jy/beam ! Combined flux in latest and established models = 0.052575 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.052575 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=0.055468Jy sigma=0.495845 ! Fit after self-cal, rms=0.054384Jy sigma=0.485730 ! Inverting map ! Added new window around map position (-0.8, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00889093 Jy ! Component: 100 - total flux cleaned = 0.014067 Jy ! Total flux subtracted in 100 components = 0.014067 Jy ! Clean residual min=-0.002659 max=0.003434 Jy/beam ! Clean residual mean=0.000001 rms=0.000602 Jy/beam ! Combined flux in latest and established models = 0.066642 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 14 components and 0.066642 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=0.052472Jy sigma=0.464413 ! Fit after self-cal, rms=0.052334Jy sigma=0.462998 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00422773 Jy ! Component: 100 - total flux cleaned = 0.0068668 Jy ! Total flux subtracted in 100 components = 0.0068668 Jy ! Clean residual min=-0.002381 max=0.002414 Jy/beam ! Clean residual mean=-0.000001 rms=0.000539 Jy/beam ! Combined flux in latest and established models = 0.0735088 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 20 components and 0.0735088 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=0.051819Jy sigma=0.457299 ! Fit after self-cal, rms=0.051786Jy sigma=0.456985 ! 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=0.9322 mas, bmaj=1.417 mas, bpa=-8.61 degrees ! Estimated noise=0.474119 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 (-1.6, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00394575 Jy ! Component: 100 - total flux cleaned = 0.00592224 Jy ! Component: 150 - total flux cleaned = 0.00717105 Jy ! Component: 200 - total flux cleaned = 0.00789514 Jy ! Total flux subtracted in 200 components = 0.00789514 Jy ! Clean residual min=-0.001801 max=0.002294 Jy/beam ! Clean residual mean=-0.000004 rms=0.000418 Jy/beam ! Combined flux in latest and established models = 0.0814039 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 35 components and 0.0814039 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=0.051492Jy sigma=0.454030 ! Fit after self-cal, rms=0.051451Jy sigma=0.453539 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9322 x 1.417 at -8.61 degrees (North through East) ! Clean map min=-0.0014988 max=0.053321 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.12 HN 1.06 KP 1.06 ! LA 0.98 MK 1.03 OV 0.91 PT 0.88 ! SC 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.10 HN 1.13 KP 1.06 ! LA 0.98 MK 1.02 OV 0.88 PT 0.92 ! SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.07 HN 1.00 KP 0.97 ! LA 1.02 MK 1.06 OV 0.95 PT 0.91 ! SC 1.03 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.10 HN 1.01 KP 1.09 ! LA 1.04 MK 0.98 OV 0.95 PT 0.93 ! SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.09 HN 1.00 KP 1.04 ! LA 1.01 MK 1.01 OV 0.97 PT 0.88 ! SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.05 HN 0.98 KP 1.02 ! LA 1.03 MK 1.01 OV 0.91 PT 0.93 ! SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.06 HN 1.07 KP 1.01 ! LA 1.02 MK 1.04 OV 0.93 PT 0.91 ! SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.09 HN 0.93 KP 1.01 ! LA 1.04 MK 1.06 OV 0.96 PT 0.86 ! SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.04 HN 1.05 KP 0.99 ! LA 1.04 MK 1.03 OV 0.98 PT 0.93 ! SC 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.10 HN 0.98 KP 1.04 ! LA 1.04 MK 1.03 OV 0.92 PT 0.91 ! SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 HN 0.99 KP 1.05 ! LA 1.02 MK 1.04 OV 0.96 PT 0.94 ! SC 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 0.96 KP 1.02 ! LA 0.99 MK 1.03 OV 0.93 PT 0.87 ! SC 1.00 ! ! ! Fit before self-cal, rms=0.051451Jy sigma=0.453539 ! Fit after self-cal, rms=0.050960Jy sigma=0.451088 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9349 mas, bmaj=1.422 mas, bpa=-8.127 degrees ! Estimated noise=0.473162 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-6.8, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00177573 Jy ! Component: 100 - total flux cleaned = 0.00292171 Jy ! Component: 150 - total flux cleaned = 0.00367571 Jy ! Component: 200 - total flux cleaned = 0.00411173 Jy ! Total flux subtracted in 200 components = 0.00411173 Jy ! Clean residual min=-0.001198 max=0.001286 Jy/beam ! Clean residual mean=0.000002 rms=0.000268 Jy/beam ! Combined flux in latest and established models = 0.0855157 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 55 components and 0.0855157 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=0.050886Jy sigma=0.450291 ! Fit after self-cal, rms=0.050885Jy sigma=0.450109 ! 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=0.050885Jy sigma=0.450109 ! Fit after self-cal, rms=0.051026Jy sigma=0.448878 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9335 mas, bmaj=1.416 mas, bpa=-7.899 degrees ! Estimated noise=0.473722 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000867912 Jy ! Component: 100 - total flux cleaned = 0.00138886 Jy ! Component: 150 - total flux cleaned = 0.00156722 Jy ! Component: 200 - total flux cleaned = 0.00172006 Jy ! Total flux subtracted in 200 components = 0.00172006 Jy ! Clean residual min=-0.001065 max=0.001122 Jy/beam ! Clean residual mean=-0.000001 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.0872357 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 64 components and 0.0872357 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=0.051005Jy sigma=0.448682 ! Fit after self-cal, rms=0.051013Jy sigma=0.448613 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 (46.6, 30.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000487818 Jy ! Component: 100 - total flux cleaned = 0.000503948 Jy ! Component: 150 - total flux cleaned = 0.000592944 Jy ! Component: 200 - total flux cleaned = 0.000640844 Jy ! Total flux subtracted in 200 components = 0.000640844 Jy ! Clean residual min=-0.001058 max=0.001042 Jy/beam ! Clean residual mean=-0.000001 rms=0.000223 Jy/beam ! Combined flux in latest and established models = 0.0878766 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 79 components and 0.0878766 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=0.050989Jy sigma=0.448402 ! Fit after self-cal, rms=0.050984Jy sigma=0.448382 ! 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=0.050984Jy sigma=0.448382 ! Fit after self-cal, rms=0.050921Jy sigma=0.448341 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.934 mas, bmaj=1.414 mas, bpa=-7.834 degrees ! Estimated noise=0.473389 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000493927 Jy ! Component: 100 - total flux cleaned = 0.000687108 Jy ! Component: 150 - total flux cleaned = 0.00081042 Jy ! Component: 200 - total flux cleaned = 0.00086625 Jy ! Total flux subtracted in 200 components = 0.00086625 Jy ! Clean residual min=-0.001039 max=0.001001 Jy/beam ! Clean residual mean=-0.000001 rms=0.000218 Jy/beam ! Combined flux in latest and established models = 0.0887428 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 85 components and 0.0887428 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=0.050910Jy sigma=0.448248 ! Fit after self-cal, rms=0.050908Jy sigma=0.448227 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 = 0.000111589 Jy ! Component: 100 - total flux cleaned = 0.000124975 Jy ! Component: 150 - total flux cleaned = 0.000152002 Jy ! Component: 200 - total flux cleaned = 0.000190007 Jy ! Total flux subtracted in 200 components = 0.000190007 Jy ! Clean residual min=-0.001023 max=0.000950 Jy/beam ! Clean residual mean=-0.000001 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.0889328 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 90 components and 0.0889328 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=0.050902Jy sigma=0.448170 ! Fit after self-cal, rms=0.050901Jy sigma=0.448167 ! 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=0.050901Jy sigma=0.448167 ! Fit after self-cal, rms=0.050825Jy sigma=0.448153 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.388 mas, bmaj=2.656 mas, bpa=26.17 degrees ! Estimated noise=0.601828 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000558996 Jy ! Component: 100 - total flux cleaned = 0.000672591 Jy ! Component: 150 - total flux cleaned = 0.000773604 Jy ! Component: 200 - total flux cleaned = 0.000838197 Jy ! Total flux subtracted in 200 components = 0.000838197 Jy ! Clean residual min=-0.000925 max=0.001000 Jy/beam ! Clean residual mean=-0.000001 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.089771 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 107 components and 0.089771 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=0.050824Jy sigma=0.448135 ! Fit after self-cal, rms=0.050821Jy sigma=0.448124 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 = 0.000107779 Jy ! Component: 100 - total flux cleaned = 0.000161185 Jy ! Component: 150 - total flux cleaned = 0.000208014 Jy ! Component: 200 - total flux cleaned = 0.000233003 Jy ! Total flux subtracted in 200 components = 0.000233003 Jy ! Clean residual min=-0.000917 max=0.000998 Jy/beam ! Clean residual mean=-0.000001 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.090004 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 111 components and 0.090004 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=0.050821Jy sigma=0.448121 ! Fit after self-cal, rms=0.050820Jy sigma=0.448117 ! Inverting map ! Added new window around map position (-28.4, 39.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000433848 Jy ! Component: 100 - total flux cleaned = 0.000449124 Jy ! Component: 150 - total flux cleaned = 0.000528827 Jy ! Component: 200 - total flux cleaned = 0.000596977 Jy ! Total flux subtracted in 200 components = 0.000596977 Jy ! Clean residual min=-0.000872 max=0.000740 Jy/beam ! Clean residual mean=-0.000001 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.090601 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 136 components and 0.090601 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=0.050810Jy sigma=0.448013 ! Fit after self-cal, rms=0.050808Jy sigma=0.448001 ! 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=0.9345 mas, bmaj=1.412 mas, bpa=-7.734 degrees ! Estimated noise=0.473102 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9345 x 1.412 at -7.734 degrees (North through East) ! Clean map min=-0.00091119 max=0.052674 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=0.7085 mas, bmaj=1.117 mas, bpa=-11.42 degrees ! Estimated noise=1.00152 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0412684 Jy ! Component: 100 - total flux cleaned = 0.0561328 Jy ! Component: 150 - total flux cleaned = 0.0648834 Jy ! Component: 200 - total flux cleaned = 0.0702604 Jy ! Total flux subtracted in 200 components = 0.0702604 Jy ! Clean residual min=-0.002278 max=0.002779 Jy/beam ! Clean residual mean=0.000001 rms=0.000524 Jy/beam ! Combined flux in latest and established models = 0.0702604 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0702604 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9345 mas, bmaj=1.412 mas, bpa=-7.734 degrees ! Estimated noise=0.473102 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 = 0.00522326 Jy ! Component: 100 - total flux cleaned = 0.00830162 Jy ! Component: 150 - total flux cleaned = 0.0105696 Jy ! Component: 200 - total flux cleaned = 0.0123377 Jy ! Total flux subtracted in 200 components = 0.0123377 Jy ! Clean residual min=-0.001213 max=0.001163 Jy/beam ! Clean residual mean=-0.000001 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.0825982 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 45 components and 0.0825982 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=2.388 mas, bmaj=2.656 mas, bpa=26.17 degrees ! Estimated noise=0.601828 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00248783 Jy ! Component: 100 - total flux cleaned = 0.00405767 Jy ! Component: 150 - total flux cleaned = 0.00512795 Jy ! Component: 200 - total flux cleaned = 0.00581703 Jy ! Total flux subtracted in 200 components = 0.00581703 Jy ! Clean residual min=-0.001100 max=0.000897 Jy/beam ! Clean residual mean=-0.000001 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.0884152 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 = 0.000381067 Jy ! Component: 100 - total flux cleaned = 0.000653037 Jy ! Component: 150 - total flux cleaned = 0.000930773 Jy ! Component: 200 - total flux cleaned = 0.00117973 Jy ! Total flux subtracted in 200 components = 0.00117973 Jy ! Clean residual min=-0.000963 max=0.000778 Jy/beam ! Clean residual mean=-0.000001 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.0895949 Jy ! Adding 91 model components to the UV plane model. ! The established model now contains 125 components and 0.0895949 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9345 mas, bmaj=1.412 mas, bpa=-7.734 degrees ! Estimated noise=0.473102 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000291068 Jy ! Component: 100 - total flux cleaned = 0.000395744 Jy ! Component: 150 - total flux cleaned = 0.000515624 Jy ! Component: 200 - total flux cleaned = 0.000559301 Jy ! Total flux subtracted in 200 components = 0.000559301 Jy ! Clean residual min=-0.000932 max=0.000899 Jy/beam ! Clean residual mean=-0.000000 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.0901542 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 147 components and 0.0901542 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=0.050817Jy sigma=0.448097 ! Fit after self-cal, rms=0.050809Jy sigma=0.448020 wmodel J1918+4937_X_map.mod ! Writing 147 model components to file: J1918+4937_X_map.mod wobs J1918+4937_X_uvs.fits ! Writing UV FITS file: J1918+4937_X_uvs.fits wwins J1918+4937_X_map.win ! wwins: Wrote 6 windows to J1918+4937_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 = -0.000170719 Jy ! Component: 100 - total flux cleaned = -0.000282829 Jy ! Component: 150 - total flux cleaned = -0.000359614 Jy ! Component: 200 - total flux cleaned = -0.000418862 Jy ! Component: 250 - total flux cleaned = -0.000432834 Jy ! Component: 300 - total flux cleaned = -0.000446464 Jy ! Component: 350 - total flux cleaned = -0.000460148 Jy ! Component: 400 - total flux cleaned = -0.000499874 Jy ! Component: 450 - total flux cleaned = -0.000486969 Jy ! Component: 500 - total flux cleaned = -0.000525334 Jy ! Component: 550 - total flux cleaned = -0.000525568 Jy ! Component: 600 - total flux cleaned = -0.000550295 Jy ! Component: 650 - total flux cleaned = -0.000599167 Jy ! Component: 700 - total flux cleaned = -0.000599073 Jy ! Component: 750 - total flux cleaned = -0.000634562 Jy ! Component: 800 - total flux cleaned = -0.000657824 Jy ! Component: 850 - total flux cleaned = -0.000680742 Jy ! Component: 900 - total flux cleaned = -0.000680559 Jy ! Component: 950 - total flux cleaned = -0.000691856 Jy ! Component: 1000 - total flux cleaned = -0.000703055 Jy ! Component: 1050 - total flux cleaned = -0.000747071 Jy ! Component: 1100 - total flux cleaned = -0.000725154 Jy ! Component: 1150 - total flux cleaned = -0.000779151 Jy ! Component: 1200 - total flux cleaned = -0.000843403 Jy ! Component: 1250 - total flux cleaned = -0.000832685 Jy ! Component: 1300 - total flux cleaned = -0.000906158 Jy ! Component: 1350 - total flux cleaned = -0.0009061 Jy ! Component: 1400 - total flux cleaned = -0.00099905 Jy ! Component: 1450 - total flux cleaned = -0.00100919 Jy ! Component: 1500 - total flux cleaned = -0.00109024 Jy ! Component: 1550 - total flux cleaned = -0.00110021 Jy ! Component: 1600 - total flux cleaned = -0.0011202 Jy ! Component: 1650 - total flux cleaned = -0.00117951 Jy ! Component: 1700 - total flux cleaned = -0.00118929 Jy ! Component: 1750 - total flux cleaned = -0.0012575 Jy ! Component: 1800 - total flux cleaned = -0.00125743 Jy ! Component: 1850 - total flux cleaned = -0.00129599 Jy ! Component: 1900 - total flux cleaned = -0.00131503 Jy ! Component: 1950 - total flux cleaned = -0.00132451 Jy ! Component: 2000 - total flux cleaned = -0.00139043 Jy ! Component: 2050 - total flux cleaned = -0.00138101 Jy ! Component: 2100 - total flux cleaned = -0.00143676 Jy ! Component: 2150 - total flux cleaned = -0.00147355 Jy ! Component: 2200 - total flux cleaned = -0.00151015 Jy ! Component: 2250 - total flux cleaned = -0.00155558 Jy ! Component: 2300 - total flux cleaned = -0.00156464 Jy ! Component: 2350 - total flux cleaned = -0.0016544 Jy ! Component: 2400 - total flux cleaned = -0.00170781 Jy ! Component: 2450 - total flux cleaned = -0.00173433 Jy ! Component: 2500 - total flux cleaned = -0.00176073 Jy ! Component: 2550 - total flux cleaned = -0.00177823 Jy ! Component: 2600 - total flux cleaned = -0.00180434 Jy ! Component: 2650 - total flux cleaned = -0.00185617 Jy ! Component: 2700 - total flux cleaned = -0.0019334 Jy ! Component: 2750 - total flux cleaned = -0.00195908 Jy ! Component: 2800 - total flux cleaned = -0.00197605 Jy ! Component: 2850 - total flux cleaned = -0.00206029 Jy ! Component: 2900 - total flux cleaned = -0.00210218 Jy ! Component: 2950 - total flux cleaned = -0.00214387 Jy ! Component: 3000 - total flux cleaned = -0.00219352 Jy ! Component: 3050 - total flux cleaned = -0.00221824 Jy ! Component: 3100 - total flux cleaned = -0.00222649 Jy ! Component: 3150 - total flux cleaned = -0.00229974 Jy ! Component: 3200 - total flux cleaned = -0.00231599 Jy ! Component: 3250 - total flux cleaned = -0.00237244 Jy ! Component: 3300 - total flux cleaned = -0.0024125 Jy ! Component: 3350 - total flux cleaned = -0.00243631 Jy ! Component: 3400 - total flux cleaned = -0.00242053 Jy ! Component: 3450 - total flux cleaned = -0.00246786 Jy ! Component: 3500 - total flux cleaned = -0.00252272 Jy ! Component: 3550 - total flux cleaned = -0.00252276 Jy ! Component: 3600 - total flux cleaned = -0.00257702 Jy ! Component: 3650 - total flux cleaned = -0.00259246 Jy ! Component: 3700 - total flux cleaned = -0.00260011 Jy ! Component: 3750 - total flux cleaned = -0.00261539 Jy ! Component: 3800 - total flux cleaned = -0.00263822 Jy ! Component: 3850 - total flux cleaned = -0.00269874 Jy ! Component: 3900 - total flux cleaned = -0.00267614 Jy ! Component: 3950 - total flux cleaned = -0.00274352 Jy ! Component: 4000 - total flux cleaned = -0.00275845 Jy ! Component: 4050 - total flux cleaned = -0.00278062 Jy ! Total flux subtracted in 4096 components = -0.0027954 Jy ! Clean residual min=-0.000416 max=0.000551 Jy/beam ! Clean residual mean=-0.000001 rms=0.000122 Jy/beam ! Combined flux in latest and established models = 0.0873588 Jy keep ! Adding 328 model components to the UV plane model. ! The established model now contains 475 components and 0.0873588 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1918+4937_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9345 x 1.412 at -7.734 degrees (North through East) ! Clean map min=-0.00069247 max=0.052668 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1918+4937_X_map.fits wmodel /image_prod/ug002_uva//J1918+4937_X_map.mod ! Writing 475 model components to file: /image_prod/ug002_uva//J1918+4937_X_map.mod wobs /image_prod/ug002_uva//J1918+4937_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1918+4937_X_uvs.fits wwins /image_prod/ug002_uva//J1918+4937_X_map.win ! wwins: Wrote 7 windows to /image_prod/ug002_uva//J1918+4937_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0526683 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000121507 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.692109 0.692109 1.38422 2.76844 5.53688 11.0738 22.1475 44.295 88.59 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.052 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 433.457 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1918+4937_X_dfm.log closed on Thu Mar 5 04:07:11 2020