! Started logfile: /vlbi/uf001/uva//J1748+0832_X_dfm.log on Mon Jan 14 04:20:52 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//J1748+0832_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1748+0832_X_uva.fits ! AN table 1: 87 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.856641 visibilities/baseline/integration-bin. ! Found source: J1748+0832 ! ! 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 32196 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 J1748+0832_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 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006652Jy sigma=22.918257 ! Fit after self-cal, rms=0.923437Jy sigma=20.982122 ! 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=0.7581 mas, bmaj=1.603 mas, bpa=1.758 degrees ! Estimated noise=0.368976 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 = 0.0614921 Jy ! Component: 100 - total flux cleaned = 0.0751021 Jy ! Total flux subtracted in 100 components = 0.0751021 Jy ! Clean residual min=-0.004558 max=0.012312 Jy/beam ! Clean residual mean=0.000000 rms=0.001048 Jy/beam ! Combined flux in latest and established models = 0.0751021 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0751021 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=0.061043Jy sigma=1.302338 ! Fit after self-cal, rms=0.060840Jy sigma=1.298277 ! Inverting map ! Added new window around map position (-2.8, -7.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102192 Jy ! Component: 100 - total flux cleaned = 0.0147742 Jy ! Total flux subtracted in 100 components = 0.0147742 Jy ! Clean residual min=-0.003608 max=0.004162 Jy/beam ! Clean residual mean=-0.000002 rms=0.000803 Jy/beam ! Combined flux in latest and established models = 0.0898763 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 13 components and 0.0898762 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=0.059271Jy sigma=1.257716 ! Fit after self-cal, rms=0.059039Jy sigma=1.252956 ! 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=0.9375 mas, bmaj=1.884 mas, bpa=1.653 degrees ! Estimated noise=0.179371 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 (17.2, -33.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00630854 Jy ! Component: 100 - total flux cleaned = 0.0100547 Jy ! Component: 150 - total flux cleaned = 0.0128681 Jy ! Component: 200 - total flux cleaned = 0.0151415 Jy ! Total flux subtracted in 200 components = 0.0151415 Jy ! Clean residual min=-0.003045 max=0.003997 Jy/beam ! Clean residual mean=-0.000006 rms=0.000806 Jy/beam ! Combined flux in latest and established models = 0.105018 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 58 components and 0.105018 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=0.058289Jy sigma=1.233500 ! Fit after self-cal, rms=0.058192Jy sigma=1.231303 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9375 x 1.884 at 1.653 degrees (North through East) ! Clean map min=-0.0029264 max=0.078023 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 0.96 KP 1.03 LA 0.98 ! MK 1.05 NL 1.16 OV 0.87 PT 0.90 ! SC 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 0.96 KP 1.02 LA 0.95 ! MK 1.08 NL 1.18 OV 0.88 PT 0.91 ! SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 0.97 KP 1.05 LA 0.95 ! MK 1.00 NL 1.13 OV 0.88 PT 0.91 ! SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 0.96 KP 1.02 LA 0.96 ! MK 1.04 NL 1.12 OV 0.89 PT 0.94 ! SC 0.93 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 HN 0.98 KP 1.06 LA 0.96 ! MK 1.04 NL 1.14 OV 0.87 PT 0.91 ! SC 0.93 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.00 KP 1.05 LA 0.99 ! MK 1.03 NL 1.14 OV 0.90 PT 0.91 ! SC 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 HN 0.93 KP 1.09 LA 1.01 ! MK 1.05 NL 1.13 OV 0.87 PT 0.92 ! SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 HN 0.96 KP 1.04 LA 0.98 ! MK 1.05 NL 1.13 OV 0.87 PT 0.93 ! SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 0.99 KP 1.00 LA 0.96 ! MK 1.07 NL 1.15 OV 0.89 PT 0.93 ! SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 0.98 KP 1.04 LA 0.97 ! MK 1.03 NL 1.14 OV 0.88 PT 0.90 ! SC 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 0.97 KP 1.00 LA 0.98 ! MK 0.99 NL 1.15 OV 0.88 PT 0.94 ! SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.02 KP 1.01 LA 1.01 ! MK 1.02 NL 1.14 OV 0.88 PT 0.87 ! SC 0.90 ! ! ! Fit before self-cal, rms=0.058192Jy sigma=1.231303 ! Fit after self-cal, rms=0.056761Jy sigma=1.213157 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9347 mas, bmaj=1.901 mas, bpa=2.655 degrees ! Estimated noise=0.176915 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-2.2, -12.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00333298 Jy ! Component: 100 - total flux cleaned = 0.00533672 Jy ! Component: 150 - total flux cleaned = 0.00691005 Jy ! Component: 200 - total flux cleaned = 0.00821978 Jy ! Total flux subtracted in 200 components = 0.00821978 Jy ! Clean residual min=-0.001915 max=0.001794 Jy/beam ! Clean residual mean=-0.000005 rms=0.000450 Jy/beam ! Combined flux in latest and established models = 0.113238 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 100 components and 0.113238 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=0.056545Jy sigma=1.206792 ! Fit after self-cal, rms=0.056600Jy sigma=1.205747 ! 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=0.056600Jy sigma=1.205747 ! Fit after self-cal, rms=0.057127Jy sigma=1.201716 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9327 mas, bmaj=1.895 mas, bpa=2.793 degrees ! Estimated noise=0.177534 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00142044 Jy ! Component: 100 - total flux cleaned = 0.00250333 Jy ! Component: 150 - total flux cleaned = 0.00338567 Jy ! Component: 200 - total flux cleaned = 0.00407806 Jy ! Total flux subtracted in 200 components = 0.00407806 Jy ! Clean residual min=-0.001319 max=0.001535 Jy/beam ! Clean residual mean=-0.000003 rms=0.000348 Jy/beam ! Combined flux in latest and established models = 0.117316 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 123 components and 0.117316 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=0.057077Jy sigma=1.200288 ! Fit after self-cal, rms=0.057094Jy sigma=1.200077 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 (11.6, -32.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00154506 Jy ! Component: 100 - total flux cleaned = 0.00253548 Jy ! Component: 150 - total flux cleaned = 0.0033304 Jy ! Component: 200 - total flux cleaned = 0.00402093 Jy ! Total flux subtracted in 200 components = 0.00402093 Jy ! Clean residual min=-0.001233 max=0.001197 Jy/beam ! Clean residual mean=-0.000003 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.121337 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 149 components and 0.121337 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=0.057040Jy sigma=1.198742 ! Fit after self-cal, rms=0.057038Jy sigma=1.198673 ! 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=0.057038Jy sigma=1.198673 ! Fit after self-cal, rms=0.057023Jy sigma=1.198582 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9331 mas, bmaj=1.894 mas, bpa=2.691 degrees ! Estimated noise=0.177382 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000758151 Jy ! Component: 100 - total flux cleaned = 0.00138567 Jy ! Component: 150 - total flux cleaned = 0.00191961 Jy ! Component: 200 - total flux cleaned = 0.00232169 Jy ! Total flux subtracted in 200 components = 0.00232169 Jy ! Clean residual min=-0.001225 max=0.001155 Jy/beam ! Clean residual mean=-0.000003 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.123658 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 164 components and 0.123658 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=0.057004Jy sigma=1.198135 ! Fit after self-cal, rms=0.057007Jy sigma=1.198113 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 = 0.000490551 Jy ! Component: 100 - total flux cleaned = 0.000800096 Jy ! Component: 150 - total flux cleaned = 0.00110326 Jy ! Component: 200 - total flux cleaned = 0.00130741 Jy ! Total flux subtracted in 200 components = 0.00130741 Jy ! Clean residual min=-0.001215 max=0.001153 Jy/beam ! Clean residual mean=-0.000002 rms=0.000279 Jy/beam ! Combined flux in latest and established models = 0.124966 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 176 components and 0.124966 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=0.056997Jy sigma=1.197879 ! Fit after self-cal, rms=0.056997Jy sigma=1.197869 ! 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=0.056997Jy sigma=1.197869 ! Fit after self-cal, rms=0.056999Jy sigma=1.197838 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.005 mas, bmaj=3.029 mas, bpa=-3.268 degrees ! Estimated noise=0.222105 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103831 Jy ! Component: 100 - total flux cleaned = 0.00177503 Jy ! Component: 150 - total flux cleaned = 0.00218824 Jy ! Component: 200 - total flux cleaned = 0.00244303 Jy ! Total flux subtracted in 200 components = 0.00244303 Jy ! Clean residual min=-0.001697 max=0.001546 Jy/beam ! Clean residual mean=-0.000005 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.127409 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 200 components and 0.127409 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=0.056995Jy sigma=1.197673 ! Fit after self-cal, rms=0.056995Jy sigma=1.197633 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 = 0.000334738 Jy ! Component: 100 - total flux cleaned = 0.000574468 Jy ! Component: 150 - total flux cleaned = 0.000788532 Jy ! Component: 200 - total flux cleaned = 0.000967714 Jy ! Total flux subtracted in 200 components = 0.000967714 Jy ! Clean residual min=-0.001644 max=0.001526 Jy/beam ! Clean residual mean=-0.000005 rms=0.000427 Jy/beam ! Combined flux in latest and established models = 0.128376 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 215 components and 0.128376 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=0.056995Jy sigma=1.197592 ! Fit after self-cal, rms=0.056994Jy sigma=1.197580 ! 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=0.933 mas, bmaj=1.893 mas, bpa=2.636 degrees ! Estimated noise=0.177435 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.933 x 1.893 at 2.636 degrees (North through East) ! Clean map min=-0.001106 max=0.077147 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=0.7544 mas, bmaj=1.609 mas, bpa=2.986 degrees ! Estimated noise=0.365171 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0606799 Jy ! Component: 100 - total flux cleaned = 0.0774463 Jy ! Component: 150 - total flux cleaned = 0.0855236 Jy ! Component: 200 - total flux cleaned = 0.0905983 Jy ! Total flux subtracted in 200 components = 0.0905983 Jy ! Clean residual min=-0.002660 max=0.002929 Jy/beam ! Clean residual mean=-0.000001 rms=0.000627 Jy/beam ! Combined flux in latest and established models = 0.0905983 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.0905983 Jy ! Inverting map and beam ! Estimated beam: bmin=0.933 mas, bmaj=1.893 mas, bpa=2.636 degrees ! Estimated noise=0.177435 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 = 0.00556544 Jy ! Component: 100 - total flux cleaned = 0.00934516 Jy ! Component: 150 - total flux cleaned = 0.0124206 Jy ! Component: 200 - total flux cleaned = 0.0150256 Jy ! Total flux subtracted in 200 components = 0.0150256 Jy ! Clean residual min=-0.001831 max=0.001812 Jy/beam ! Clean residual mean=-0.000004 rms=0.000482 Jy/beam ! Combined flux in latest and established models = 0.105624 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 60 components and 0.105624 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=2.005 mas, bmaj=3.029 mas, bpa=-3.268 degrees ! Estimated noise=0.222105 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00391768 Jy ! Component: 100 - total flux cleaned = 0.0068231 Jy ! Component: 150 - total flux cleaned = 0.00915742 Jy ! Component: 200 - total flux cleaned = 0.0111159 Jy ! Total flux subtracted in 200 components = 0.0111159 Jy ! Clean residual min=-0.002301 max=0.001855 Jy/beam ! Clean residual mean=-0.000007 rms=0.000625 Jy/beam ! Combined flux in latest and established models = 0.11674 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 = 0.00166806 Jy ! Component: 100 - total flux cleaned = 0.00311011 Jy ! Component: 150 - total flux cleaned = 0.00436496 Jy ! Component: 200 - total flux cleaned = 0.00545971 Jy ! Total flux subtracted in 200 components = 0.00545971 Jy ! Clean residual min=-0.001891 max=0.001569 Jy/beam ! Clean residual mean=-0.000006 rms=0.000511 Jy/beam ! Combined flux in latest and established models = 0.122199 Jy ! Adding 106 model components to the UV plane model. ! The established model now contains 152 components and 0.122199 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.933 mas, bmaj=1.893 mas, bpa=2.636 degrees ! Estimated noise=0.177435 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00122835 Jy ! Component: 100 - total flux cleaned = 0.00213847 Jy ! Component: 150 - total flux cleaned = 0.00276242 Jy ! Component: 200 - total flux cleaned = 0.00331609 Jy ! Total flux subtracted in 200 components = 0.00331609 Jy ! Clean residual min=-0.001206 max=0.001142 Jy/beam ! Clean residual mean=-0.000003 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.125516 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 173 components and 0.125516 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=0.057035Jy sigma=1.198467 ! Fit after self-cal, rms=0.057031Jy sigma=1.198384 wmodel J1748+0832_X_map.mod ! Writing 173 model components to file: J1748+0832_X_map.mod wobs J1748+0832_X_uvs.fits ! Writing UV FITS file: J1748+0832_X_uvs.fits wwins J1748+0832_X_map.win ! wwins: Wrote 5 windows to J1748+0832_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 = -0.000220906 Jy ! Component: 100 - total flux cleaned = -0.00043911 Jy ! Component: 150 - total flux cleaned = -0.000551999 Jy ! Component: 200 - total flux cleaned = -0.000625366 Jy ! Component: 250 - total flux cleaned = -0.000713858 Jy ! Component: 300 - total flux cleaned = -0.000714379 Jy ! Component: 350 - total flux cleaned = -0.00074756 Jy ! Component: 400 - total flux cleaned = -0.000747375 Jy ! Component: 450 - total flux cleaned = -0.00076298 Jy ! Component: 500 - total flux cleaned = -0.000762487 Jy ! Component: 550 - total flux cleaned = -0.000777095 Jy ! Component: 600 - total flux cleaned = -0.00076233 Jy ! Component: 650 - total flux cleaned = -0.00074808 Jy ! Component: 700 - total flux cleaned = -0.000747831 Jy ! Component: 750 - total flux cleaned = -0.000720323 Jy ! Component: 800 - total flux cleaned = -0.000693701 Jy ! Component: 850 - total flux cleaned = -0.000707139 Jy ! Component: 900 - total flux cleaned = -0.000668254 Jy ! Component: 950 - total flux cleaned = -0.000668422 Jy ! Component: 1000 - total flux cleaned = -0.000668462 Jy ! Component: 1050 - total flux cleaned = -0.00063164 Jy ! Component: 1100 - total flux cleaned = -0.000631873 Jy ! Component: 1150 - total flux cleaned = -0.000607955 Jy ! Component: 1200 - total flux cleaned = -0.000584599 Jy ! Component: 1250 - total flux cleaned = -0.000550132 Jy ! Component: 1300 - total flux cleaned = -0.000493385 Jy ! Component: 1350 - total flux cleaned = -0.000515657 Jy ! Component: 1400 - total flux cleaned = -0.000405382 Jy ! Component: 1450 - total flux cleaned = -0.000394612 Jy ! Component: 1500 - total flux cleaned = -0.00033028 Jy ! Component: 1550 - total flux cleaned = -0.000309218 Jy ! Component: 1600 - total flux cleaned = -0.000277865 Jy ! Component: 1650 - total flux cleaned = -0.000247067 Jy ! Component: 1700 - total flux cleaned = -0.000267459 Jy ! Component: 1750 - total flux cleaned = -0.00023685 Jy ! Component: 1800 - total flux cleaned = -0.000216722 Jy ! Component: 1850 - total flux cleaned = -0.000187148 Jy ! Component: 1900 - total flux cleaned = -0.000167517 Jy ! Component: 1950 - total flux cleaned = -0.000148122 Jy ! Component: 2000 - total flux cleaned = -0.000128969 Jy ! Component: 2050 - total flux cleaned = -0.000119355 Jy ! Component: 2100 - total flux cleaned = -9.12586e-05 Jy ! Component: 2150 - total flux cleaned = -0.000100614 Jy ! Component: 2200 - total flux cleaned = -7.30012e-05 Jy ! Component: 2250 - total flux cleaned = -6.41123e-05 Jy ! Component: 2300 - total flux cleaned = -8.21663e-05 Jy ! Component: 2350 - total flux cleaned = -7.33949e-05 Jy ! Component: 2400 - total flux cleaned = -8.2222e-05 Jy ! Component: 2450 - total flux cleaned = -7.3506e-05 Jy ! Component: 2500 - total flux cleaned = -8.19036e-05 Jy ! Component: 2550 - total flux cleaned = -3.9025e-05 Jy ! Component: 2600 - total flux cleaned = -3.89768e-05 Jy ! Component: 2650 - total flux cleaned = -4.74699e-05 Jy ! Component: 2700 - total flux cleaned = -5.58796e-05 Jy ! Component: 2750 - total flux cleaned = -1.44346e-05 Jy ! Component: 2800 - total flux cleaned = 1.02491e-05 Jy ! Component: 2850 - total flux cleaned = 3.46193e-05 Jy ! Component: 2900 - total flux cleaned = 2.64547e-05 Jy ! Component: 2950 - total flux cleaned = 6.64912e-05 Jy ! Component: 3000 - total flux cleaned = 5.84844e-05 Jy ! Component: 3050 - total flux cleaned = 6.6529e-05 Jy ! Component: 3100 - total flux cleaned = 8.22982e-05 Jy ! Component: 3150 - total flux cleaned = 9.00413e-05 Jy ! Component: 3200 - total flux cleaned = 7.46491e-05 Jy ! Component: 3250 - total flux cleaned = 8.2278e-05 Jy ! Component: 3300 - total flux cleaned = 7.47676e-05 Jy ! Component: 3350 - total flux cleaned = 0.000105047 Jy ! Component: 3400 - total flux cleaned = 0.000112635 Jy ! Component: 3450 - total flux cleaned = 9.78279e-05 Jy ! Component: 3500 - total flux cleaned = 0.000127285 Jy ! Component: 3550 - total flux cleaned = 0.000142024 Jy ! Component: 3600 - total flux cleaned = 0.000127468 Jy ! Component: 3650 - total flux cleaned = 0.000156337 Jy ! Component: 3700 - total flux cleaned = 0.000149135 Jy ! Component: 3750 - total flux cleaned = 0.000163343 Jy ! Component: 3800 - total flux cleaned = 0.000142121 Jy ! Component: 3850 - total flux cleaned = 0.000156235 Jy ! Component: 3900 - total flux cleaned = 0.000142302 Jy ! Component: 3950 - total flux cleaned = 0.000170032 Jy ! Component: 4000 - total flux cleaned = 0.000190799 Jy ! Component: 4050 - total flux cleaned = 0.000224991 Jy ! Total flux subtracted in 4096 components = 0.000211334 Jy ! Clean residual min=-0.000444 max=0.000479 Jy/beam ! Clean residual mean=-0.000001 rms=0.000120 Jy/beam ! Combined flux in latest and established models = 0.125727 Jy keep ! Adding 305 model components to the UV plane model. ! The established model now contains 478 components and 0.125727 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1748+0832_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.933 x 1.893 at 2.636 degrees (North through East) ! Clean map min=-0.00074685 max=0.07723 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1748+0832_X_map.fits wmodel /vlbi/uf001/uva//J1748+0832_X_map.mod ! Writing 478 model components to file: /vlbi/uf001/uva//J1748+0832_X_map.mod wobs /vlbi/uf001/uva//J1748+0832_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1748+0832_X_uvs.fits wwins /vlbi/uf001/uva//J1748+0832_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1748+0832_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0772297 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000117649 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.457008 0.457008 0.914016 1.82803 3.65606 7.31213 14.6243 29.2485 58.497 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.077 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 656.443 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1748+0832_X_dfm.log closed on Mon Jan 14 04:20:58 2019