! Started logfile: /image_prod/ug002_uva//J0557+1800_X_a_dfm.log on Wed Mar 4 21:05:39 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//J0557+1800_X_a_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J0557+1800_X_a_uva.fits ! AN table 1: 150 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.925926 visibilities/baseline/integration-bin. ! Found source: J0557+1800 ! ! 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 60000 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 J0557+1800_X_a] 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 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001720Jy sigma=8.982326 ! Fit after self-cal, rms=0.975684Jy sigma=8.748566 ! 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=0.9813 mas, bmaj=2.226 mas, bpa=11.88 degrees ! Estimated noise=0.681603 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 = 0.0202056 Jy ! Component: 100 - total flux cleaned = 0.0246745 Jy ! Total flux subtracted in 100 components = 0.0246745 Jy ! Clean residual min=-0.001524 max=0.002073 Jy/beam ! Clean residual mean=0.000001 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.0246745 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0246745 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=0.053351Jy sigma=0.452471 ! Fit after self-cal, rms=0.051614Jy sigma=0.436369 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00404251 Jy ! Component: 100 - total flux cleaned = 0.00445722 Jy ! Total flux subtracted in 100 components = 0.00445722 Jy ! Clean residual min=-0.001621 max=0.002034 Jy/beam ! Clean residual mean=0.000001 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.0291317 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.0291317 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=0.051366Jy sigma=0.434182 ! Fit after self-cal, rms=0.051346Jy sigma=0.434041 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.256 mas, bmaj=2.473 mas, bpa=8.919 degrees ! Estimated noise=0.326538 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 (-7.6, -37.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0014885 Jy ! Component: 100 - total flux cleaned = 0.00159783 Jy ! Component: 150 - total flux cleaned = 0.00160154 Jy ! Component: 200 - total flux cleaned = 0.00155717 Jy ! Total flux subtracted in 200 components = 0.00155717 Jy ! Clean residual min=-0.001125 max=0.001514 Jy/beam ! Clean residual mean=0.000000 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.0306889 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 28 components and 0.0306889 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=0.051294Jy sigma=0.433596 ! Fit after self-cal, rms=0.051273Jy sigma=0.433371 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.256 x 2.473 at 8.919 degrees (North through East) ! Clean map min=-0.0010519 max=0.029219 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 1.02 KP 1.20 ! LA 1.01 NL 1.12 OV 1.13 PT 0.90 ! SC 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 HN 1.09 KP 1.19 ! LA 0.97 NL 1.15 OV 1.09 PT 0.88 ! SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.05 HN 1.01 KP 1.25 ! LA 0.99 NL 1.13 OV 1.05 PT 0.87 ! SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.96 HN 0.98 KP 1.18 ! LA 0.93 NL 1.20 OV 1.13 PT 0.92 ! SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 0.99 KP 1.35 ! LA 0.95 NL 1.16 OV 1.07 PT 0.88 ! SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.94 HN 0.99 KP 1.35 ! LA 0.98 NL 1.09 OV 1.06 PT 0.89 ! SC 0.89 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.99 HN 0.90 KP 1.26 ! LA 0.95 NL 1.06 OV 1.11 PT 0.90 ! SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.92 HN 0.92 KP 1.27 ! LA 1.01 NL 1.12 OV 1.04 PT 0.89 ! SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.98 HN 0.86 KP 1.35 ! LA 0.99 NL 1.10 OV 0.94 PT 0.87 ! SC 0.89 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.92 HN 0.89 KP 1.28 ! LA 0.94 NL 1.06 OV 1.05 PT 0.88 ! SC 0.85 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 0.90 HN 0.91 KP 1.21 ! LA 0.93 NL 1.00 OV 0.98 PT 0.82 ! SC 0.86 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.84 FD 0.89 HN 0.89 KP 1.08 ! LA 0.92 NL 1.01 OV 1.03 PT 0.80 ! SC 0.85 ! ! ! Fit before self-cal, rms=0.051273Jy sigma=0.433371 ! Fit after self-cal, rms=0.049860Jy sigma=0.431473 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.23 mas, bmaj=2.451 mas, bpa=10.02 degrees ! Estimated noise=0.323363 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 = 1.46163e-05 Jy ! Component: 100 - total flux cleaned = -3.5823e-05 Jy ! Component: 150 - total flux cleaned = -3.65628e-05 Jy ! Component: 200 - total flux cleaned = -2.46255e-05 Jy ! Total flux subtracted in 200 components = -2.46255e-05 Jy ! Clean residual min=-0.000609 max=0.000673 Jy/beam ! Clean residual mean=0.000000 rms=0.000159 Jy/beam ! Combined flux in latest and established models = 0.0306643 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 43 components and 0.0306643 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=0.049850Jy sigma=0.431397 ! Fit after self-cal, rms=0.049915Jy sigma=0.430820 ! 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=0.049915Jy sigma=0.430820 ! Fit after self-cal, rms=0.050235Jy sigma=0.430299 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.229 mas, bmaj=2.438 mas, bpa=10.12 degrees ! Estimated noise=0.324261 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000316234 Jy ! Component: 100 - total flux cleaned = 0.000316339 Jy ! Component: 150 - total flux cleaned = 0.000304053 Jy ! Component: 200 - total flux cleaned = 0.000303854 Jy ! Total flux subtracted in 200 components = 0.000303854 Jy ! Clean residual min=-0.000552 max=0.000676 Jy/beam ! Clean residual mean=0.000001 rms=0.000145 Jy/beam ! Combined flux in latest and established models = 0.0309681 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 50 components and 0.0309681 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=0.050226Jy sigma=0.430250 ! Fit after self-cal, rms=0.050274Jy sigma=0.430003 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 (5.4, 17). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0004226 Jy ! Component: 100 - total flux cleaned = 0.000341469 Jy ! Component: 150 - total flux cleaned = 0.000292898 Jy ! Component: 200 - total flux cleaned = 0.000269953 Jy ! Total flux subtracted in 200 components = 0.000269953 Jy ! Clean residual min=-0.000534 max=0.000579 Jy/beam ! Clean residual mean=0.000001 rms=0.000142 Jy/beam ! Combined flux in latest and established models = 0.0312381 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 66 components and 0.0312381 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=0.050265Jy sigma=0.429926 ! Fit after self-cal, rms=0.050259Jy sigma=0.429898 ! 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=0.050259Jy sigma=0.429898 ! Fit after self-cal, rms=0.050462Jy sigma=0.429824 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.226 mas, bmaj=2.428 mas, bpa=10.12 degrees ! Estimated noise=0.323824 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000342659 Jy ! Component: 100 - total flux cleaned = 0.000395819 Jy ! Component: 150 - total flux cleaned = 0.000395739 Jy ! Component: 200 - total flux cleaned = 0.000384969 Jy ! Total flux subtracted in 200 components = 0.000384969 Jy ! Clean residual min=-0.000539 max=0.000574 Jy/beam ! Clean residual mean=0.000001 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.0316231 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 71 components and 0.0316231 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=0.050455Jy sigma=0.429777 ! Fit after self-cal, rms=0.050473Jy sigma=0.429707 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 = 0.000189541 Jy ! Component: 100 - total flux cleaned = 9.66214e-05 Jy ! Component: 150 - total flux cleaned = 4.35637e-05 Jy ! Component: 200 - total flux cleaned = 2.37076e-05 Jy ! Total flux subtracted in 200 components = 2.37076e-05 Jy ! Clean residual min=-0.000544 max=0.000547 Jy/beam ! Clean residual mean=0.000001 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.0316468 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 75 components and 0.0316468 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=0.050467Jy sigma=0.429668 ! Fit after self-cal, rms=0.050461Jy sigma=0.429634 ! 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=0.050461Jy sigma=0.429634 ! Fit after self-cal, rms=0.050414Jy sigma=0.429616 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.252 mas, bmaj=2.894 mas, bpa=3.585 degrees ! Estimated noise=0.375889 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000349987 Jy ! Component: 100 - total flux cleaned = 0.000411508 Jy ! Component: 150 - total flux cleaned = 0.000395159 Jy ! Component: 200 - total flux cleaned = 0.000380536 Jy ! Total flux subtracted in 200 components = 0.000380536 Jy ! Clean residual min=-0.000571 max=0.000531 Jy/beam ! Clean residual mean=0.000001 rms=0.000147 Jy/beam ! Combined flux in latest and established models = 0.0320273 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 92 components and 0.0320273 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=0.050410Jy sigma=0.429594 ! Fit after self-cal, rms=0.050416Jy sigma=0.429576 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 = 7.88308e-05 Jy ! Component: 100 - total flux cleaned = 5.53783e-05 Jy ! Component: 150 - total flux cleaned = 4.10463e-05 Jy ! Component: 200 - total flux cleaned = 3.42681e-05 Jy ! Total flux subtracted in 200 components = 3.42681e-05 Jy ! Clean residual min=-0.000566 max=0.000535 Jy/beam ! Clean residual mean=0.000001 rms=0.000148 Jy/beam ! Combined flux in latest and established models = 0.0320616 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 100 components and 0.0320616 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=0.050413Jy sigma=0.429561 ! Fit after self-cal, rms=0.050412Jy sigma=0.429546 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.223 mas, bmaj=2.421 mas, bpa=10.14 degrees ! Estimated noise=0.323009 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.223 x 2.421 at 10.14 degrees (North through East) ! Clean map min=-0.0010177 max=0.028858 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=0.9616 mas, bmaj=2.196 mas, bpa=12.77 degrees ! Estimated noise=0.658218 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0222106 Jy ! Component: 100 - total flux cleaned = 0.0273788 Jy ! Component: 150 - total flux cleaned = 0.02964 Jy ! Component: 200 - total flux cleaned = 0.0311232 Jy ! Total flux subtracted in 200 components = 0.0311232 Jy ! Clean residual min=-0.001263 max=0.001294 Jy/beam ! Clean residual mean=0.000001 rms=0.000309 Jy/beam ! Combined flux in latest and established models = 0.0311231 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 0.0311231 Jy ! Inverting map and beam ! Estimated beam: bmin=1.223 mas, bmaj=2.421 mas, bpa=10.14 degrees ! Estimated noise=0.323009 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 = 0.000728236 Jy ! Component: 100 - total flux cleaned = 0.000936659 Jy ! Component: 150 - total flux cleaned = 0.00101925 Jy ! Component: 200 - total flux cleaned = 0.00101864 Jy ! Total flux subtracted in 200 components = 0.00101864 Jy ! Clean residual min=-0.000678 max=0.000626 Jy/beam ! Clean residual mean=0.000001 rms=0.000153 Jy/beam ! Combined flux in latest and established models = 0.0321418 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 39 components and 0.0321418 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=2.252 mas, bmaj=2.894 mas, bpa=3.585 degrees ! Estimated noise=0.375889 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000315122 Jy ! Component: 100 - total flux cleaned = 0.000282759 Jy ! Component: 150 - total flux cleaned = 0.00024184 Jy ! Component: 200 - total flux cleaned = 0.000177662 Jy ! Total flux subtracted in 200 components = 0.000177662 Jy ! Clean residual min=-0.000537 max=0.000531 Jy/beam ! Clean residual mean=0.000001 rms=0.000153 Jy/beam ! Combined flux in latest and established models = 0.0323194 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 = -5.83635e-05 Jy ! Component: 100 - total flux cleaned = -0.000101151 Jy ! Component: 150 - total flux cleaned = -0.00013094 Jy ! Component: 200 - total flux cleaned = -0.000158972 Jy ! Total flux subtracted in 200 components = -0.000158972 Jy ! Clean residual min=-0.000540 max=0.000521 Jy/beam ! Clean residual mean=0.000001 rms=0.000150 Jy/beam ! Combined flux in latest and established models = 0.0321605 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 72 components and 0.0321605 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.223 mas, bmaj=2.421 mas, bpa=10.14 degrees ! Estimated noise=0.323009 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000122746 Jy ! Component: 100 - total flux cleaned = -0.000163421 Jy ! Component: 150 - total flux cleaned = -0.00020139 Jy ! Component: 200 - total flux cleaned = -0.000248159 Jy ! Total flux subtracted in 200 components = -0.000248159 Jy ! Clean residual min=-0.000599 max=0.000581 Jy/beam ! Clean residual mean=0.000001 rms=0.000138 Jy/beam ! Combined flux in latest and established models = 0.0319123 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 87 components and 0.0319123 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=0.050412Jy sigma=0.429595 ! Fit after self-cal, rms=0.050411Jy sigma=0.429560 wmodel J0557+1800_X_a_map.mod ! Writing 87 model components to file: J0557+1800_X_a_map.mod wobs J0557+1800_X_a_uvs.fits ! Writing UV FITS file: J0557+1800_X_a_uvs.fits wwins J0557+1800_X_a_map.win ! wwins: Wrote 3 windows to J0557+1800_X_a_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 = -2.13342e-05 Jy ! Component: 100 - total flux cleaned = -0.000117873 Jy ! Component: 150 - total flux cleaned = -0.00015451 Jy ! Component: 200 - total flux cleaned = -0.000181086 Jy ! Component: 250 - total flux cleaned = -0.000215292 Jy ! Component: 300 - total flux cleaned = -0.000240129 Jy ! Component: 350 - total flux cleaned = -0.000248117 Jy ! Component: 400 - total flux cleaned = -0.000272162 Jy ! Component: 450 - total flux cleaned = -0.000295837 Jy ! Component: 500 - total flux cleaned = -0.000303681 Jy ! Component: 550 - total flux cleaned = -0.000333953 Jy ! Component: 600 - total flux cleaned = -0.000311658 Jy ! Component: 650 - total flux cleaned = -0.000304339 Jy ! Component: 700 - total flux cleaned = -0.000304202 Jy ! Component: 750 - total flux cleaned = -0.000296966 Jy ! Component: 800 - total flux cleaned = -0.000303835 Jy ! Component: 850 - total flux cleaned = -0.000296877 Jy ! Component: 900 - total flux cleaned = -0.000297006 Jy ! Component: 950 - total flux cleaned = -0.000303872 Jy ! Component: 1000 - total flux cleaned = -0.000310679 Jy ! Component: 1050 - total flux cleaned = -0.00031723 Jy ! Component: 1100 - total flux cleaned = -0.000330168 Jy ! Component: 1150 - total flux cleaned = -0.000323648 Jy ! Component: 1200 - total flux cleaned = -0.000317308 Jy ! Component: 1250 - total flux cleaned = -0.000323629 Jy ! Component: 1300 - total flux cleaned = -0.000317401 Jy ! Component: 1350 - total flux cleaned = -0.000323461 Jy ! Component: 1400 - total flux cleaned = -0.000311209 Jy ! Component: 1450 - total flux cleaned = -0.000311257 Jy ! Component: 1500 - total flux cleaned = -0.000329302 Jy ! Component: 1550 - total flux cleaned = -0.000358867 Jy ! Component: 1600 - total flux cleaned = -0.000329686 Jy ! Component: 1650 - total flux cleaned = -0.000341276 Jy ! Component: 1700 - total flux cleaned = -0.000341205 Jy ! Component: 1750 - total flux cleaned = -0.000329852 Jy ! Component: 1800 - total flux cleaned = -0.00034105 Jy ! Component: 1850 - total flux cleaned = -0.000313127 Jy ! Component: 1900 - total flux cleaned = -0.000313111 Jy ! Component: 1950 - total flux cleaned = -0.000302219 Jy ! Component: 2000 - total flux cleaned = -0.000302174 Jy ! Component: 2050 - total flux cleaned = -0.000296732 Jy ! Component: 2100 - total flux cleaned = -0.000291454 Jy ! Component: 2150 - total flux cleaned = -0.000312481 Jy ! Component: 2200 - total flux cleaned = -0.00031251 Jy ! Component: 2250 - total flux cleaned = -0.000307343 Jy ! Component: 2300 - total flux cleaned = -0.000312505 Jy ! Component: 2350 - total flux cleaned = -0.000322709 Jy ! Component: 2400 - total flux cleaned = -0.000297428 Jy ! Component: 2450 - total flux cleaned = -0.000302478 Jy ! Component: 2500 - total flux cleaned = -0.000337343 Jy ! Component: 2550 - total flux cleaned = -0.000337381 Jy ! Component: 2600 - total flux cleaned = -0.000327545 Jy ! Component: 2650 - total flux cleaned = -0.000342109 Jy ! Component: 2700 - total flux cleaned = -0.000356574 Jy ! Component: 2750 - total flux cleaned = -0.000370984 Jy ! Component: 2800 - total flux cleaned = -0.00039004 Jy ! Component: 2850 - total flux cleaned = -0.000408966 Jy ! Component: 2900 - total flux cleaned = -0.000423071 Jy ! Component: 2950 - total flux cleaned = -0.000441701 Jy ! Component: 3000 - total flux cleaned = -0.000450932 Jy ! Component: 3050 - total flux cleaned = -0.000478502 Jy ! Component: 3100 - total flux cleaned = -0.000483082 Jy ! Component: 3150 - total flux cleaned = -0.000496618 Jy ! Component: 3200 - total flux cleaned = -0.000523644 Jy ! Component: 3250 - total flux cleaned = -0.000541464 Jy ! Component: 3300 - total flux cleaned = -0.000532629 Jy ! Component: 3350 - total flux cleaned = -0.000537021 Jy ! Component: 3400 - total flux cleaned = -0.000541413 Jy ! Component: 3450 - total flux cleaned = -0.000550142 Jy ! Component: 3500 - total flux cleaned = -0.000558722 Jy ! Component: 3550 - total flux cleaned = -0.000567316 Jy ! Component: 3600 - total flux cleaned = -0.000537395 Jy ! Component: 3650 - total flux cleaned = -0.000550128 Jy ! Component: 3700 - total flux cleaned = -0.000550162 Jy ! Component: 3750 - total flux cleaned = -0.000546032 Jy ! Component: 3800 - total flux cleaned = -0.000562681 Jy ! Component: 3850 - total flux cleaned = -0.000562718 Jy ! Component: 3900 - total flux cleaned = -0.000566854 Jy ! Component: 3950 - total flux cleaned = -0.000566859 Jy ! Component: 4000 - total flux cleaned = -0.0005709 Jy ! Component: 4050 - total flux cleaned = -0.000570901 Jy ! Total flux subtracted in 4096 components = -0.000562863 Jy ! Clean residual min=-0.000262 max=0.000206 Jy/beam ! Clean residual mean=0.000000 rms=0.000073 Jy/beam ! Combined flux in latest and established models = 0.0313495 Jy keep ! Adding 295 model components to the UV plane model. ! The established model now contains 382 components and 0.0313495 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J0557+1800_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.223 x 2.421 at 10.14 degrees (North through East) ! Clean map min=-0.00097713 max=0.028621 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J0557+1800_X_a_map.fits wmodel /image_prod/ug002_uva//J0557+1800_X_a_map.mod ! Writing 382 model components to file: /image_prod/ug002_uva//J0557+1800_X_a_map.mod wobs /image_prod/ug002_uva//J0557+1800_X_a_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J0557+1800_X_a_uvs.fits wwins /image_prod/ug002_uva//J0557+1800_X_a_map.win ! wwins: Wrote 4 windows to /image_prod/ug002_uva//J0557+1800_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0286205 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 7.24723e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.759653 0.759653 1.51931 3.03861 6.07722 12.1544 24.3089 48.6178 97.2355 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.028 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 394.917 quit ! Quitting program ! Log file /image_prod/ug002_uva//J0557+1800_X_a_dfm.log closed on Wed Mar 4 21:05:45 2020