! Started logfile: /image_prod/ug002_uva//J1823-2834_X_dfm.log on Thu Mar 5 03:42:59 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//J1823-2834_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1823-2834_X_uva.fits ! AN table 1: 100 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.767857 visibilities/baseline/integration-bin. ! Found source: J1823-2834 ! ! 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 25800 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 J1823-2834_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 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 100 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001240Jy sigma=9.520543 ! Fit after self-cal, rms=0.975399Jy sigma=9.274789 ! 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=0.7881 mas, bmaj=4.555 mas, bpa=-29.04 degrees ! Estimated noise=1.08732 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 = 0.0190241 Jy ! Component: 100 - total flux cleaned = 0.0235897 Jy ! Total flux subtracted in 100 components = 0.0235897 Jy ! Clean residual min=-0.002199 max=0.002292 Jy/beam ! Clean residual mean=-0.000003 rms=0.000570 Jy/beam ! Combined flux in latest and established models = 0.0235897 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0235897 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=0.047185Jy sigma=0.424193 ! Fit after self-cal, rms=0.045715Jy sigma=0.409389 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00386699 Jy ! Component: 100 - total flux cleaned = 0.0041201 Jy ! Total flux subtracted in 100 components = 0.0041201 Jy ! Clean residual min=-0.001869 max=0.002148 Jy/beam ! Clean residual mean=-0.000003 rms=0.000489 Jy/beam ! Combined flux in latest and established models = 0.0277098 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 23 components and 0.0277098 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=0.045336Jy sigma=0.405687 ! Fit after self-cal, rms=0.045304Jy sigma=0.405515 ! 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=1.285 mas, bmaj=4.567 mas, bpa=-26.38 degrees ! Estimated noise=0.470556 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000511015 Jy ! Component: 100 - total flux cleaned = 0.000349621 Jy ! Component: 150 - total flux cleaned = 0.000267249 Jy ! Component: 200 - total flux cleaned = 0.000208852 Jy ! Total flux subtracted in 200 components = 0.000208852 Jy ! Clean residual min=-0.000994 max=0.001097 Jy/beam ! Clean residual mean=-0.000000 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.0279187 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 41 components and 0.0279187 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=0.045245Jy sigma=0.404966 ! Fit after self-cal, rms=0.045205Jy sigma=0.404834 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.285 x 4.567 at -26.38 degrees (North through East) ! Clean map min=-0.0011315 max=0.02631 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.07 KP 1.09 LA 1.08 ! MK 1.05 NL 1.06 OV 0.93 PT 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.13 KP 1.11 LA 1.06 ! MK 1.04 NL 1.09 OV 0.97 PT 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.05 KP 1.08 LA 1.00 ! MK 1.09 NL 1.04 OV 0.97 PT 1.09 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.06 KP 1.09 LA 0.98 ! MK 1.03 NL 1.03 OV 1.03 PT 1.04 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 KP 1.09 LA 1.07 ! MK 0.97 NL 1.19 OV 0.92 PT 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 1.11 KP 1.05 LA 1.07 ! MK 1.07 NL 1.08 OV 0.82 PT 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.04 KP 1.04 LA 0.95 ! MK 1.04 NL 1.00 OV 1.02 PT 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.97 KP 1.09 LA 1.09 ! MK 1.13 NL 0.98 OV 0.94 PT 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 0.95 KP 1.03 LA 1.05 ! MK 1.13 NL 1.02 OV 0.89 PT 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.04 KP 1.05 LA 1.02 ! MK 1.04 NL 1.00 OV 0.91 PT 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.80 FD 0.96 KP 0.97 LA 0.96 ! MK 0.87 NL 1.10 OV 0.89 PT 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.92 KP 1.01 LA 1.06 ! MK 0.75 NL 0.97 OV 0.88 PT 0.85 ! ! ! Fit before self-cal, rms=0.045205Jy sigma=0.404834 ! Fit after self-cal, rms=0.043791Jy sigma=0.403517 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.297 mas, bmaj=4.472 mas, bpa=-26.31 degrees ! Estimated noise=0.466223 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 = 5.84978e-05 Jy ! Component: 100 - total flux cleaned = 7.94883e-05 Jy ! Component: 150 - total flux cleaned = 9.54863e-05 Jy ! Component: 200 - total flux cleaned = 0.000109118 Jy ! Total flux subtracted in 200 components = 0.000109118 Jy ! Clean residual min=-0.000675 max=0.000645 Jy/beam ! Clean residual mean=-0.000001 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.0280278 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 54 components and 0.0280278 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=0.043788Jy sigma=0.403498 ! Fit after self-cal, rms=0.043770Jy sigma=0.403093 ! 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=0.043770Jy sigma=0.403093 ! Fit after self-cal, rms=0.043895Jy sigma=0.402707 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.302 mas, bmaj=4.441 mas, bpa=-26.31 degrees ! Estimated noise=0.465648 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.85246e-05 Jy ! Component: 100 - total flux cleaned = -1.40166e-05 Jy ! Component: 150 - total flux cleaned = 1.04447e-05 Jy ! Component: 200 - total flux cleaned = 2.77615e-05 Jy ! Total flux subtracted in 200 components = 2.77615e-05 Jy ! Clean residual min=-0.000732 max=0.000657 Jy/beam ! Clean residual mean=-0.000001 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.0280555 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 63 components and 0.0280555 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=0.043893Jy sigma=0.402696 ! Fit after self-cal, rms=0.043916Jy sigma=0.402565 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 = 3.94163e-05 Jy ! Component: 100 - total flux cleaned = 4.4778e-05 Jy ! Component: 150 - total flux cleaned = 4.94938e-05 Jy ! Component: 200 - total flux cleaned = 5.38955e-05 Jy ! Total flux subtracted in 200 components = 5.38955e-05 Jy ! Clean residual min=-0.000737 max=0.000717 Jy/beam ! Clean residual mean=-0.000001 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.0281094 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 67 components and 0.0281094 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=0.043915Jy sigma=0.402556 ! Fit after self-cal, rms=0.043914Jy sigma=0.402543 ! 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=0.043914Jy sigma=0.402543 ! Fit after self-cal, rms=0.044055Jy sigma=0.402454 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.306 mas, bmaj=4.429 mas, bpa=-26.3 degrees ! Estimated noise=0.464278 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.11356e-05 Jy ! Component: 100 - total flux cleaned = -6.28671e-05 Jy ! Component: 150 - total flux cleaned = -4.01559e-05 Jy ! Component: 200 - total flux cleaned = -2.03025e-05 Jy ! Total flux subtracted in 200 components = -2.03025e-05 Jy ! Clean residual min=-0.000732 max=0.000661 Jy/beam ! Clean residual mean=-0.000001 rms=0.000183 Jy/beam ! Combined flux in latest and established models = 0.0280891 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 73 components and 0.0280891 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=0.044054Jy sigma=0.402444 ! Fit after self-cal, rms=0.044072Jy sigma=0.402362 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 = 3.32208e-05 Jy ! Component: 100 - total flux cleaned = 4.64268e-05 Jy ! Component: 150 - total flux cleaned = 5.42361e-05 Jy ! Component: 200 - total flux cleaned = 5.79696e-05 Jy ! Total flux subtracted in 200 components = 5.79696e-05 Jy ! Clean residual min=-0.000727 max=0.000680 Jy/beam ! Clean residual mean=-0.000001 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.0281471 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 79 components and 0.0281471 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=0.044071Jy sigma=0.402357 ! Fit after self-cal, rms=0.044072Jy sigma=0.402355 ! 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=0.044072Jy sigma=0.402355 ! Fit after self-cal, rms=0.044036Jy sigma=0.402340 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.898 mas, bmaj=6.754 mas, bpa=2.797 degrees ! Estimated noise=0.498168 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.9295e-05 Jy ! Component: 100 - total flux cleaned = -2.34243e-05 Jy ! Component: 150 - total flux cleaned = -1.93807e-05 Jy ! Component: 200 - total flux cleaned = -1.28228e-05 Jy ! Total flux subtracted in 200 components = -1.28228e-05 Jy ! Clean residual min=-0.000711 max=0.000730 Jy/beam ! Clean residual mean=-0.000001 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.0281343 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 98 components and 0.0281343 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=0.044035Jy sigma=0.402337 ! Fit after self-cal, rms=0.044042Jy sigma=0.402321 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 = -2.38721e-06 Jy ! Component: 100 - total flux cleaned = 1.75135e-05 Jy ! Component: 150 - total flux cleaned = 2.61923e-05 Jy ! Component: 200 - total flux cleaned = 2.61625e-05 Jy ! Total flux subtracted in 200 components = 2.61625e-05 Jy ! Clean residual min=-0.000699 max=0.000745 Jy/beam ! Clean residual mean=-0.000001 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.0281604 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 104 components and 0.0281604 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=0.044042Jy sigma=0.402320 ! Fit after self-cal, rms=0.044041Jy sigma=0.402318 ! 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=1.309 mas, bmaj=4.42 mas, bpa=-26.28 degrees ! Estimated noise=0.462614 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.309 x 4.42 at -26.28 degrees (North through East) ! Clean map min=-0.00068817 max=0.026074 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=0.8027 mas, bmaj=4.362 mas, bpa=-29.03 degrees ! Estimated noise=1.08904 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0210656 Jy ! Component: 100 - total flux cleaned = 0.0262844 Jy ! Component: 150 - total flux cleaned = 0.0280275 Jy ! Component: 200 - total flux cleaned = 0.0281367 Jy ! Total flux subtracted in 200 components = 0.0281367 Jy ! Clean residual min=-0.001706 max=0.001522 Jy/beam ! Clean residual mean=-0.000002 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.0281367 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0281367 Jy ! Inverting map and beam ! Estimated beam: bmin=1.309 mas, bmaj=4.42 mas, bpa=-26.28 degrees ! Estimated noise=0.462614 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 = 0.000562466 Jy ! Component: 100 - total flux cleaned = 0.000493322 Jy ! Component: 150 - total flux cleaned = 0.000388749 Jy ! Component: 200 - total flux cleaned = 0.000340147 Jy ! Total flux subtracted in 200 components = 0.000340147 Jy ! Clean residual min=-0.000821 max=0.000668 Jy/beam ! Clean residual mean=-0.000001 rms=0.000191 Jy/beam ! Combined flux in latest and established models = 0.0284769 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 29 components and 0.0284769 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=2.898 mas, bmaj=6.754 mas, bpa=2.797 degrees ! Estimated noise=0.498168 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.33926e-06 Jy ! Component: 100 - total flux cleaned = -1.93291e-05 Jy ! Component: 150 - total flux cleaned = -3.51003e-05 Jy ! Component: 200 - total flux cleaned = -4.99648e-05 Jy ! Total flux subtracted in 200 components = -4.99648e-05 Jy ! Clean residual min=-0.000743 max=0.000751 Jy/beam ! Clean residual mean=-0.000001 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.0284269 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 = -9.28351e-06 Jy ! Component: 100 - total flux cleaned = -1.79637e-05 Jy ! Component: 150 - total flux cleaned = -2.60724e-05 Jy ! Component: 200 - total flux cleaned = -2.97746e-05 Jy ! Total flux subtracted in 200 components = -2.97746e-05 Jy ! Clean residual min=-0.000734 max=0.000753 Jy/beam ! Clean residual mean=-0.000001 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.0283972 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 50 components and 0.0283972 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.309 mas, bmaj=4.42 mas, bpa=-26.28 degrees ! Estimated noise=0.462614 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.90938e-05 Jy ! Component: 100 - total flux cleaned = -6.77476e-05 Jy ! Component: 150 - total flux cleaned = -6.74913e-05 Jy ! Component: 200 - total flux cleaned = -7.35878e-05 Jy ! Total flux subtracted in 200 components = -7.35878e-05 Jy ! Clean residual min=-0.000745 max=0.000675 Jy/beam ! Clean residual mean=-0.000001 rms=0.000183 Jy/beam ! Combined flux in latest and established models = 0.0283236 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 56 components and 0.0283236 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=0.044042Jy sigma=0.402327 ! Fit after self-cal, rms=0.044039Jy sigma=0.402321 wmodel J1823-2834_X_map.mod ! Writing 56 model components to file: J1823-2834_X_map.mod wobs J1823-2834_X_uvs.fits ! Writing UV FITS file: J1823-2834_X_uvs.fits wwins J1823-2834_X_map.win ! wwins: Wrote 1 windows to J1823-2834_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 = -9.40125e-05 Jy ! Component: 100 - total flux cleaned = -0.000159971 Jy ! Component: 150 - total flux cleaned = -0.000233048 Jy ! Component: 200 - total flux cleaned = -0.000301471 Jy ! Component: 250 - total flux cleaned = -0.000366256 Jy ! Component: 300 - total flux cleaned = -0.000401591 Jy ! Component: 350 - total flux cleaned = -0.000426833 Jy ! Component: 400 - total flux cleaned = -0.000442806 Jy ! Component: 450 - total flux cleaned = -0.000466046 Jy ! Component: 500 - total flux cleaned = -0.000503544 Jy ! Component: 550 - total flux cleaned = -0.000525126 Jy ! Component: 600 - total flux cleaned = -0.000539176 Jy ! Component: 650 - total flux cleaned = -0.000573037 Jy ! Component: 700 - total flux cleaned = -0.000566612 Jy ! Component: 750 - total flux cleaned = -0.000598485 Jy ! Component: 800 - total flux cleaned = -0.000629445 Jy ! Component: 850 - total flux cleaned = -0.000647605 Jy ! Component: 900 - total flux cleaned = -0.000677127 Jy ! Component: 950 - total flux cleaned = -0.00072341 Jy ! Component: 1000 - total flux cleaned = -0.000757317 Jy ! Component: 1050 - total flux cleaned = -0.00079608 Jy ! Component: 1100 - total flux cleaned = -0.000817753 Jy ! Component: 1150 - total flux cleaned = -0.000849705 Jy ! Component: 1200 - total flux cleaned = -0.000870585 Jy ! Component: 1250 - total flux cleaned = -0.000901413 Jy ! Component: 1300 - total flux cleaned = -0.000926589 Jy ! Component: 1350 - total flux cleaned = -0.000936625 Jy ! Component: 1400 - total flux cleaned = -0.000956228 Jy ! Component: 1450 - total flux cleaned = -0.000965903 Jy ! Component: 1500 - total flux cleaned = -0.000984845 Jy ! Component: 1550 - total flux cleaned = -0.000989564 Jy ! Component: 1600 - total flux cleaned = -0.00100346 Jy ! Component: 1650 - total flux cleaned = -0.00101259 Jy ! Component: 1700 - total flux cleaned = -0.00103064 Jy ! Component: 1750 - total flux cleaned = -0.00103948 Jy ! Component: 1800 - total flux cleaned = -0.0010482 Jy ! Component: 1850 - total flux cleaned = -0.00104823 Jy ! Component: 1900 - total flux cleaned = -0.0010482 Jy ! Component: 1950 - total flux cleaned = -0.00104824 Jy ! Component: 2000 - total flux cleaned = -0.00105663 Jy ! Component: 2050 - total flux cleaned = -0.0010608 Jy ! Component: 2100 - total flux cleaned = -0.00107307 Jy ! Component: 2150 - total flux cleaned = -0.00106893 Jy ! Component: 2200 - total flux cleaned = -0.00106086 Jy ! Component: 2250 - total flux cleaned = -0.00106491 Jy ! Component: 2300 - total flux cleaned = -0.00107679 Jy ! Component: 2350 - total flux cleaned = -0.00107288 Jy ! Component: 2400 - total flux cleaned = -0.00107672 Jy ! Component: 2450 - total flux cleaned = -0.00106901 Jy ! Component: 2500 - total flux cleaned = -0.00108044 Jy ! Component: 2550 - total flux cleaned = -0.00107284 Jy ! Component: 2600 - total flux cleaned = -0.00107278 Jy ! Component: 2650 - total flux cleaned = -0.00108019 Jy ! Component: 2700 - total flux cleaned = -0.00108014 Jy ! Component: 2750 - total flux cleaned = -0.00107276 Jy ! Component: 2800 - total flux cleaned = -0.00108002 Jy ! Component: 2850 - total flux cleaned = -0.00108363 Jy ! Component: 2900 - total flux cleaned = -0.00107648 Jy ! Component: 2950 - total flux cleaned = -0.00107293 Jy ! Component: 3000 - total flux cleaned = -0.00108003 Jy ! Component: 3050 - total flux cleaned = -0.00107651 Jy ! Component: 3100 - total flux cleaned = -0.00108345 Jy ! Component: 3150 - total flux cleaned = -0.00107653 Jy ! Component: 3200 - total flux cleaned = -0.00107656 Jy ! Component: 3250 - total flux cleaned = -0.00107997 Jy ! Component: 3300 - total flux cleaned = -0.00106635 Jy ! Component: 3350 - total flux cleaned = -0.0010596 Jy ! Component: 3400 - total flux cleaned = -0.00105623 Jy ! Component: 3450 - total flux cleaned = -0.00105289 Jy ! Component: 3500 - total flux cleaned = -0.00104289 Jy ! Component: 3550 - total flux cleaned = -0.00103628 Jy ! Component: 3600 - total flux cleaned = -0.00103956 Jy ! Component: 3650 - total flux cleaned = -0.00102643 Jy ! Component: 3700 - total flux cleaned = -0.00101337 Jy ! Component: 3750 - total flux cleaned = -0.00101012 Jy ! Component: 3800 - total flux cleaned = -0.00101013 Jy ! Component: 3850 - total flux cleaned = -0.000997261 Jy ! Component: 3900 - total flux cleaned = -0.00100364 Jy ! Component: 3950 - total flux cleaned = -0.000984484 Jy ! Component: 4000 - total flux cleaned = -0.000974933 Jy ! Component: 4050 - total flux cleaned = -0.000978103 Jy ! Total flux subtracted in 4096 components = -0.000968631 Jy ! Clean residual min=-0.000195 max=0.000187 Jy/beam ! Clean residual mean=0.000000 rms=0.000058 Jy/beam ! Combined flux in latest and established models = 0.0273549 Jy keep ! Adding 261 model components to the UV plane model. ! The established model now contains 317 components and 0.0273549 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1823-2834_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.309 x 4.42 at -26.28 degrees (North through East) ! Clean map min=-0.00045859 max=0.02628 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1823-2834_X_map.fits wmodel /image_prod/ug002_uva//J1823-2834_X_map.mod ! Writing 317 model components to file: /image_prod/ug002_uva//J1823-2834_X_map.mod wobs /image_prod/ug002_uva//J1823-2834_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1823-2834_X_uvs.fits wwins /image_prod/ug002_uva//J1823-2834_X_map.win ! wwins: Wrote 2 windows to /image_prod/ug002_uva//J1823-2834_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0262802 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.8161e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.663933 0.663933 1.32787 2.65573 5.31147 10.6229 21.2459 42.4917 84.9835 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.026 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 451.852 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1823-2834_X_dfm.log closed on Thu Mar 5 03:43:03 2020