! Started logfile: /image_prod/ug002_uva//J1938+664A_X_a_dfm.log on Thu Mar 5 04:19:09 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//J1938+664A_X_a_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1938+664A_X_a_uva.fits ! AN table 1: 151 integrations on 6 of 6 possible baselines. ! Apparent sampling: 0.448124 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1938+664A ! ! 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 4872 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 J1938+664A_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 400 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 400 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 400 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 400 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 400 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 400 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 400 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 400 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 400 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 400 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 400 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 400 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000431Jy sigma=9.396494 ! Fit after self-cal, rms=0.964272Jy sigma=8.905410 ! 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=6.142 mas, bmaj=9.353 mas, bpa=-46.66 degrees ! Estimated noise=1.44613 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=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0302601 Jy ! Component: 100 - total flux cleaned = 0.0355804 Jy ! Total flux subtracted in 100 components = 0.0355804 Jy ! Clean residual min=-0.004123 max=0.004132 Jy/beam ! Clean residual mean=-0.000062 rms=0.002069 Jy/beam ! Combined flux in latest and established models = 0.0355804 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 30 components and 0.0355804 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=0.040988Jy sigma=0.372538 ! Fit after self-cal, rms=0.039889Jy sigma=0.361957 ! 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=6.05 mas, bmaj=9.442 mas, bpa=-54.77 degrees ! Estimated noise=1.27161 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 = 0.00292881 Jy ! Component: 100 - total flux cleaned = 0.00429097 Jy ! Component: 150 - total flux cleaned = 0.00506646 Jy ! Component: 200 - total flux cleaned = 0.00497072 Jy ! Total flux subtracted in 200 components = 0.00497072 Jy ! Clean residual min=-0.001670 max=0.001627 Jy/beam ! Clean residual mean=0.000001 rms=0.000472 Jy/beam ! Combined flux in latest and established models = 0.0405511 Jy ! Performing phase self-cal ! Adding 60 model components to the UV plane model. ! The established model now contains 90 components and 0.0405511 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=0.039438Jy sigma=0.357142 ! Fit after self-cal, rms=0.039337Jy sigma=0.356039 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.05 x 9.442 at -54.77 degrees (North through East) ! Clean map min=-0.0031268 max=0.027613 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 KP 0.87 LA 1.16 PT 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.14 KP 1.00 LA 0.90 PT 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 KP 0.94 LA 0.89 PT 1.12 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.10 KP 1.08 LA 1.03 PT 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.08 KP 0.96 LA 0.93 PT 1.10 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.10 KP 0.89 LA 0.95 PT 1.04 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 KP 1.09 LA 0.91 PT 1.06 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 1.13 LA 1.10 PT 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 1.08 LA 0.91 PT 0.91 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 1.25 LA 0.81 PT 1.04 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 KP 1.11 LA 0.93 PT 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.82 KP 1.27 LA 1.02 PT 0.82 ! ! ! Fit before self-cal, rms=0.039337Jy sigma=0.356039 ! Fit after self-cal, rms=0.039250Jy sigma=0.353163 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=6.13 mas, bmaj=9.364 mas, bpa=-54.8 degrees ! Estimated noise=1.25256 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 = 0.00103848 Jy ! Component: 100 - total flux cleaned = 0.00103916 Jy ! Component: 150 - total flux cleaned = 0.00100433 Jy ! Component: 200 - total flux cleaned = 0.00107384 Jy ! Total flux subtracted in 200 components = 0.00107384 Jy ! Clean residual min=-0.000772 max=0.000756 Jy/beam ! Clean residual mean=0.000002 rms=0.000188 Jy/beam ! Combined flux in latest and established models = 0.0416249 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 138 components and 0.0416249 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=0.039184Jy sigma=0.352716 ! Fit after self-cal, rms=0.039352Jy sigma=0.351409 ! 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=0.039352Jy sigma=0.351409 ! Fit after self-cal, rms=0.039922Jy sigma=0.351111 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.165 mas, bmaj=9.359 mas, bpa=-55.04 degrees ! Estimated noise=1.24692 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00039689 Jy ! Component: 100 - total flux cleaned = 0.000396893 Jy ! Component: 150 - total flux cleaned = 0.000457667 Jy ! Component: 200 - total flux cleaned = 0.000527481 Jy ! Total flux subtracted in 200 components = 0.000527481 Jy ! Clean residual min=-0.000639 max=0.000613 Jy/beam ! Clean residual mean=0.000001 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.0421524 Jy selfcal ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 163 components and 0.0421524 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=0.039882Jy sigma=0.350878 ! Fit after self-cal, rms=0.040017Jy sigma=0.350629 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 = -0.000129882 Jy ! Component: 100 - total flux cleaned = -0.00012906 Jy ! Component: 150 - total flux cleaned = -0.000131205 Jy ! Component: 200 - total flux cleaned = -0.000134477 Jy ! Total flux subtracted in 200 components = -0.000134477 Jy ! Clean residual min=-0.000884 max=0.000916 Jy/beam ! Clean residual mean=0.000008 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.0420179 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 189 components and 0.0420179 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=0.039989Jy sigma=0.350452 ! Fit after self-cal, rms=0.040017Jy sigma=0.350311 ! 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=0.040017Jy sigma=0.350311 ! Fit after self-cal, rms=0.040217Jy sigma=0.350192 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.184 mas, bmaj=9.375 mas, bpa=-55.2 degrees ! Estimated noise=1.24175 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000413584 Jy ! Component: 100 - total flux cleaned = 0.000455162 Jy ! Component: 150 - total flux cleaned = 0.000456395 Jy ! Component: 200 - total flux cleaned = 0.000458783 Jy ! Total flux subtracted in 200 components = 0.000458783 Jy ! Clean residual min=-0.000732 max=0.000706 Jy/beam ! Clean residual mean=0.000008 rms=0.000153 Jy/beam ! Combined flux in latest and established models = 0.0424767 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 204 components and 0.0424767 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=0.040198Jy sigma=0.350071 ! Fit after self-cal, rms=0.040283Jy sigma=0.349956 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 = 0.000179638 Jy ! Component: 100 - total flux cleaned = 0.000235399 Jy ! Component: 150 - total flux cleaned = 9.20147e-05 Jy ! Component: 200 - total flux cleaned = 9.58783e-05 Jy ! Total flux subtracted in 200 components = 9.58783e-05 Jy ! Clean residual min=-0.000387 max=0.000377 Jy/beam ! Clean residual mean=0.000000 rms=0.000097 Jy/beam ! Combined flux in latest and established models = 0.0425725 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 246 components and 0.0425725 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=0.040267Jy sigma=0.349861 ! Fit after self-cal, rms=0.040259Jy sigma=0.349829 ! 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=0.040259Jy sigma=0.349829 ! Fit after self-cal, rms=0.040483Jy sigma=0.349763 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.285 mas, bmaj=9.371 mas, bpa=-55.2 degrees ! Estimated noise=1.23807 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000339839 Jy ! Component: 100 - total flux cleaned = 0.00037512 Jy ! Component: 150 - total flux cleaned = 0.000374359 Jy ! Component: 200 - total flux cleaned = 0.000372516 Jy ! Total flux subtracted in 200 components = 0.000372516 Jy ! Clean residual min=-0.000500 max=0.000518 Jy/beam ! Clean residual mean=0.000006 rms=0.000111 Jy/beam ! Combined flux in latest and established models = 0.042945 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 266 components and 0.0429451 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=0.040471Jy sigma=0.349684 ! Fit after self-cal, rms=0.040529Jy sigma=0.349620 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 = 0.000133239 Jy ! Component: 100 - total flux cleaned = 0.00011876 Jy ! Component: 150 - total flux cleaned = 6.02639e-05 Jy ! Component: 200 - total flux cleaned = -3.10646e-05 Jy ! Total flux subtracted in 200 components = -3.10646e-05 Jy ! Clean residual min=-0.000265 max=0.000268 Jy/beam ! Clean residual mean=0.000001 rms=0.000078 Jy/beam ! Combined flux in latest and established models = 0.042914 Jy ! Performing phase self-cal ! Adding 58 model components to the UV plane model. ! The established model now contains 306 components and 0.042914 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=0.040519Jy sigma=0.349568 ! Fit after self-cal, rms=0.040515Jy sigma=0.349515 ! 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=6.204 mas, bmaj=9.376 mas, bpa=-55.24 degrees ! Estimated noise=1.23925 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.204 x 9.376 at -55.24 degrees (North through East) ! Clean map min=-0.004238 max=0.027124 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=6.398 mas, bmaj=9.198 mas, bpa=-46.54 degrees ! Estimated noise=1.38162 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0274808 Jy ! Component: 100 - total flux cleaned = 0.0264 Jy ! Component: 150 - total flux cleaned = 0.0249493 Jy ! Component: 200 - total flux cleaned = 0.0252909 Jy ! Total flux subtracted in 200 components = 0.0252909 Jy ! Clean residual min=-0.003835 max=0.003669 Jy/beam ! Clean residual mean=-0.000055 rms=0.001304 Jy/beam ! Combined flux in latest and established models = 0.0252909 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 69 model components to the UV plane model. ! The established model now contains 69 components and 0.0252909 Jy ! Inverting map and beam ! Estimated beam: bmin=6.204 mas, bmaj=9.376 mas, bpa=-55.24 degrees ! Estimated noise=1.23925 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 = 0.0020938 Jy ! Component: 100 - total flux cleaned = 0.00211212 Jy ! Component: 150 - total flux cleaned = 0.00167855 Jy ! Component: 200 - total flux cleaned = 0.00168938 Jy ! Total flux subtracted in 200 components = 0.00168938 Jy ! Clean residual min=-0.001939 max=0.001887 Jy/beam ! Clean residual mean=0.000011 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.0269803 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 129 components and 0.0269803 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=6.285 mas, bmaj=9.371 mas, bpa=-55.2 degrees ! Estimated noise=1.23807 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000344236 Jy ! Component: 100 - total flux cleaned = -0.000294854 Jy ! Component: 150 - total flux cleaned = -0.00028932 Jy ! Component: 200 - total flux cleaned = -0.000284599 Jy ! Total flux subtracted in 200 components = -0.000284599 Jy ! Clean residual min=-0.001272 max=0.001227 Jy/beam ! Clean residual mean=-0.000003 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.0266957 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 = 5.68025e-06 Jy ! Component: 100 - total flux cleaned = 1.30675e-05 Jy ! Component: 150 - total flux cleaned = 2.27852e-05 Jy ! Component: 200 - total flux cleaned = 3.55852e-05 Jy ! Total flux subtracted in 200 components = 3.55852e-05 Jy ! Clean residual min=-0.003835 max=0.003698 Jy/beam ! Clean residual mean=-0.000029 rms=0.000845 Jy/beam ! Combined flux in latest and established models = 0.0267313 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 161 components and 0.0267313 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=6.204 mas, bmaj=9.376 mas, bpa=-55.24 degrees ! Estimated noise=1.23925 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000288261 Jy ! Component: 100 - total flux cleaned = -0.000296942 Jy ! Component: 150 - total flux cleaned = -0.000308432 Jy ! Component: 200 - total flux cleaned = -0.00032406 Jy ! Total flux subtracted in 200 components = -0.00032406 Jy ! Clean residual min=-0.003960 max=0.004104 Jy/beam ! Clean residual mean=0.000030 rms=0.000658 Jy/beam ! Combined flux in latest and established models = 0.0264072 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 197 components and 0.0264073 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=0.040590Jy sigma=0.350285 ! Fit after self-cal, rms=0.040587Jy sigma=0.349914 wmodel J1938+664A_X_a_map.mod ! Writing 197 model components to file: J1938+664A_X_a_map.mod wobs J1938+664A_X_a_uvs.fits ! Writing UV FITS file: J1938+664A_X_a_uvs.fits wwins J1938+664A_X_a_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: /opt64/bin/pima_mupet_01.dfm] ! wmap /image_prod/ug002_uva//J1938+664A_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 6.204 x 9.376 at -55.24 degrees (North through East) ! Clean map min=-0.0040756 max=0.02199 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1938+664A_X_a_map.fits wmodel /image_prod/ug002_uva//J1938+664A_X_a_map.mod ! Writing 197 model components to file: /image_prod/ug002_uva//J1938+664A_X_a_map.mod wobs /image_prod/ug002_uva//J1938+664A_X_a_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1938+664A_X_a_uvs.fits wwins /image_prod/ug002_uva//J1938+664A_X_a_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ! float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.02199 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000286777 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -3.91237 3.91237 7.82474 15.6495 31.299 62.5979 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.021 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 76.679 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1938+664A_X_a_dfm.log closed on Thu Mar 5 04:19:12 2020