! Started logfile: .//J2331-1556_C_dfm.log on Mon Jan 20 19:29:15 2020 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs .//J2331-1556_C_uva.fits ! Reading UV FITS file: .//J2331-1556_C_uva.fits ! AN table 1: 17 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.966387 visibilities/baseline/integration-bin. ! Found source: J2331-1556 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 67 lines of history. ! ! Reading 2760 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J2331-1556_C] 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 0.300x0.300 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 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.395947Jy sigma=26.305182 ! Fit after self-cal, rms=0.196655Jy sigma=3.808430 ! 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=2.172 mas, bmaj=10.86 mas, bpa=-10.09 degrees ! Estimated noise=1.03794 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 = 0.68412 Jy ! Component: 100 - total flux cleaned = 0.85094 Jy ! Total flux subtracted in 100 components = 0.85094 Jy ! Clean residual min=-0.056945 max=0.103692 Jy/beam ! Clean residual mean=-0.000111 rms=0.018581 Jy/beam ! Combined flux in latest and established models = 0.85094 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.85094 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. ! ! Fit before self-cal, rms=0.192693Jy sigma=3.780501 ! Fit after self-cal, rms=0.191840Jy sigma=3.765007 ! 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=2.756 mas, bmaj=10.31 mas, bpa=-10.44 degrees ! Estimated noise=0.737185 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 = 0.120087 Jy ! Component: 100 - total flux cleaned = 0.175591 Jy ! Component: 150 - total flux cleaned = 0.203733 Jy ! Component: 200 - total flux cleaned = 0.209255 Jy ! Total flux subtracted in 200 components = 0.209255 Jy ! Clean residual min=-0.041227 max=0.049059 Jy/beam ! Clean residual mean=-0.000208 rms=0.010690 Jy/beam ! Combined flux in latest and established models = 1.06019 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 19 components and 1.06019 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. ! ! Fit before self-cal, rms=0.116260Jy sigma=2.091736 ! Fit after self-cal, rms=0.112784Jy sigma=2.037387 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.756 x 10.31 at -10.44 degrees (North through East) ! Clean map min=-0.037399 max=0.91863 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.91 KP 1.02 ! NL 1.11 OV 1.04 PT 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 0.91 KP 1.04 ! NL 1.08 OV 1.04 PT 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 0.89 KP 1.02 ! NL 1.07 OV 1.04 PT 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 0.91 KP 1.03 ! NL 1.07 OV 1.03 PT 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 0.98 HN 0.94 KP 1.05 ! NL 1.05 OV 1.06 PT 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.88 HN 0.94 KP 0.99 ! NL 1.05 OV 1.08 PT 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.86 HN 0.96 KP 0.96 ! NL 1.06 OV 1.07 PT 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.85 HN 0.97 KP 0.94 ! NL 1.07 OV 1.08 PT 0.93 ! ! ! Fit before self-cal, rms=0.112784Jy sigma=2.037387 ! Fit after self-cal, rms=0.079615Jy sigma=1.329982 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.73 mas, bmaj=10.27 mas, bpa=-10.38 degrees ! Estimated noise=0.729515 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 (11.7, 2.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0323407 Jy ! Component: 100 - total flux cleaned = 0.0468052 Jy ! Component: 150 - total flux cleaned = 0.0513224 Jy ! Component: 200 - total flux cleaned = 0.0532189 Jy ! Total flux subtracted in 200 components = 0.0532189 Jy ! Clean residual min=-0.015724 max=0.017845 Jy/beam ! Clean residual mean=-0.000011 rms=0.004313 Jy/beam ! Combined flux in latest and established models = 1.11341 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 55 components and 1.11341 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. ! ! Fit before self-cal, rms=0.064048Jy sigma=0.983675 ! Fit after self-cal, rms=0.063592Jy sigma=0.978223 ! 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. ! ! Fit before self-cal, rms=0.063592Jy sigma=0.978223 ! Fit after self-cal, rms=0.062536Jy sigma=0.967810 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.722 mas, bmaj=10.26 mas, bpa=-10.36 degrees ! Estimated noise=0.726458 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00670609 Jy ! Component: 100 - total flux cleaned = 0.0102259 Jy ! Component: 150 - total flux cleaned = 0.0124532 Jy ! Component: 200 - total flux cleaned = 0.0134408 Jy ! Total flux subtracted in 200 components = 0.0134408 Jy ! Clean residual min=-0.012873 max=0.016715 Jy/beam ! Clean residual mean=-0.000008 rms=0.003715 Jy/beam ! Combined flux in latest and established models = 1.12685 Jy selfcal ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 86 components and 1.12685 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. ! ! Fit before self-cal, rms=0.059756Jy sigma=0.906941 ! Fit after self-cal, rms=0.059508Jy sigma=0.905235 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 (-16.8, 11.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00405817 Jy ! Component: 100 - total flux cleaned = -0.000439352 Jy ! Component: 150 - total flux cleaned = -0.00304252 Jy ! Component: 200 - total flux cleaned = -0.0036133 Jy ! Total flux subtracted in 200 components = -0.0036133 Jy ! Clean residual min=-0.009366 max=0.009461 Jy/beam ! Clean residual mean=-0.000003 rms=0.002395 Jy/beam ! Combined flux in latest and established models = 1.12324 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 133 components and 1.12324 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. ! ! Fit before self-cal, rms=0.053999Jy sigma=0.782256 ! Fit after self-cal, rms=0.053904Jy sigma=0.779359 ! 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. ! ! Fit before self-cal, rms=0.053904Jy sigma=0.779359 ! Fit after self-cal, rms=0.053615Jy sigma=0.775613 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.719 mas, bmaj=10.26 mas, bpa=-10.35 degrees ! Estimated noise=0.726627 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000728127 Jy ! Component: 100 - total flux cleaned = -0.000737911 Jy ! Component: 150 - total flux cleaned = -0.000352689 Jy ! Component: 200 - total flux cleaned = 0.000342309 Jy ! Total flux subtracted in 200 components = 0.000342309 Jy ! Clean residual min=-0.007862 max=0.007541 Jy/beam ! Clean residual mean=-0.000010 rms=0.001931 Jy/beam ! Combined flux in latest and established models = 1.12358 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 166 components and 1.12358 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. ! ! Fit before self-cal, rms=0.052157Jy sigma=0.743415 ! Fit after self-cal, rms=0.052151Jy sigma=0.743018 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 = 0.000349515 Jy ! Component: 100 - total flux cleaned = 0.000800053 Jy ! Component: 150 - total flux cleaned = 0.00163871 Jy ! Component: 200 - total flux cleaned = 0.00215264 Jy ! Total flux subtracted in 200 components = 0.00215264 Jy ! Clean residual min=-0.006765 max=0.006540 Jy/beam ! Clean residual mean=-0.000009 rms=0.001695 Jy/beam ! Combined flux in latest and established models = 1.12574 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 188 components and 1.12574 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. ! ! Fit before self-cal, rms=0.051424Jy sigma=0.727074 ! Fit after self-cal, rms=0.051425Jy sigma=0.726859 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Fit before self-cal, rms=0.051425Jy sigma=0.726859 ! Fit after self-cal, rms=0.051392Jy sigma=0.725616 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.042 mas, bmaj=9.817 mas, bpa=-10.42 degrees ! Estimated noise=0.778306 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000454482 Jy ! Component: 100 - total flux cleaned = 0.000481445 Jy ! Component: 150 - total flux cleaned = 0.000697725 Jy ! Component: 200 - total flux cleaned = 0.000890347 Jy ! Total flux subtracted in 200 components = 0.000890347 Jy ! Clean residual min=-0.005628 max=0.005407 Jy/beam ! Clean residual mean=-0.000009 rms=0.001529 Jy/beam ! Combined flux in latest and established models = 1.12663 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 213 components and 1.12663 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. ! ! Fit before self-cal, rms=0.051022Jy sigma=0.716350 ! Fit after self-cal, rms=0.051025Jy sigma=0.716271 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 = 0.00073848 Jy ! Component: 100 - total flux cleaned = 0.00057106 Jy ! Component: 150 - total flux cleaned = 0.000488773 Jy ! Component: 200 - total flux cleaned = 0.000345205 Jy ! Total flux subtracted in 200 components = 0.000345205 Jy ! Clean residual min=-0.005019 max=0.004938 Jy/beam ! Clean residual mean=-0.000008 rms=0.001400 Jy/beam ! Combined flux in latest and established models = 1.12697 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 232 components and 1.12697 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. ! ! Fit before self-cal, rms=0.050846Jy sigma=0.711970 ! Fit after self-cal, rms=0.050849Jy sigma=0.711888 ! 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=2.719 mas, bmaj=10.27 mas, bpa=-10.35 degrees ! Estimated noise=0.726477 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.719 x 10.27 at -10.35 degrees (North through East) ! Clean map min=-0.013049 max=0.91212 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.050849Jy sigma=0.711888 ! Fit after self-cal, rms=0.046968Jy sigma=0.645109 ! Inverting map and beam ! Estimated beam: bmin=2.719 mas, bmaj=10.27 mas, bpa=-10.35 degrees ! Estimated noise=0.726444 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000161534 Jy ! Component: 100 - total flux cleaned = -0.000428965 Jy ! Component: 150 - total flux cleaned = -0.000772763 Jy ! Component: 200 - total flux cleaned = -0.00117602 Jy ! Total flux subtracted in 200 components = -0.00117602 Jy ! Clean residual min=-0.004950 max=0.004919 Jy/beam ! Clean residual mean=-0.000007 rms=0.001292 Jy/beam ! Combined flux in latest and established models = 1.1258 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 266 components and 1.1258 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. ! ! Fit before self-cal, rms=0.046641Jy sigma=0.638324 ! Fit after self-cal, rms=0.046643Jy sigma=0.638238 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000245231 Jy ! Component: 100 - total flux cleaned = -0.00069328 Jy ! Component: 150 - total flux cleaned = -0.00141189 Jy ! Component: 200 - total flux cleaned = -0.00161882 Jy ! Total flux subtracted in 200 components = -0.00161882 Jy ! Clean residual min=-0.004557 max=0.004610 Jy/beam ! Clean residual mean=-0.000008 rms=0.001225 Jy/beam ! Combined flux in latest and established models = 1.12418 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 282 components and 1.12418 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. ! ! Fit before self-cal, rms=0.046446Jy sigma=0.633781 ! Fit after self-cal, rms=0.046447Jy sigma=0.633732 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.046447Jy sigma=0.633732 ! Fit after self-cal, rms=0.046445Jy sigma=0.633298 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=2.14 mas, bmaj=10.81 mas, bpa=-10.03 degrees ! Estimated noise=1.0247 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.675301 Jy ! Component: 100 - total flux cleaned = 0.844616 Jy ! Component: 150 - total flux cleaned = 0.928885 Jy ! Component: 200 - total flux cleaned = 0.975566 Jy ! Total flux subtracted in 200 components = 0.975566 Jy ! Clean residual min=-0.024591 max=0.043721 Jy/beam ! Clean residual mean=-0.000026 rms=0.007810 Jy/beam ! Combined flux in latest and established models = 0.975566 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.975566 Jy ! Inverting map and beam ! Estimated beam: bmin=2.719 mas, bmaj=10.27 mas, bpa=-10.35 degrees ! Estimated noise=0.726212 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) ! Added new window around map position (3.6, 0.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0491396 Jy ! Component: 100 - total flux cleaned = 0.0666779 Jy ! Component: 150 - total flux cleaned = 0.0737254 Jy ! Component: 200 - total flux cleaned = 0.0780218 Jy ! Total flux subtracted in 200 components = 0.0780218 Jy ! Clean residual min=-0.013140 max=0.011381 Jy/beam ! Clean residual mean=-0.000028 rms=0.003825 Jy/beam ! Combined flux in latest and established models = 1.05359 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 49 components and 1.05359 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.044 mas, bmaj=9.818 mas, bpa=-10.41 degrees ! Estimated noise=0.777891 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00686554 Jy ! Component: 100 - total flux cleaned = 0.00726808 Jy ! Component: 150 - total flux cleaned = 0.0104482 Jy ! Component: 200 - total flux cleaned = 0.0134258 Jy ! Total flux subtracted in 200 components = 0.0134258 Jy ! Clean residual min=-0.009807 max=0.008824 Jy/beam ! Clean residual mean=-0.000021 rms=0.002674 Jy/beam ! Combined flux in latest and established models = 1.06701 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00183347 Jy ! Component: 100 - total flux cleaned = 0.00321845 Jy ! Component: 150 - total flux cleaned = 0.00506778 Jy ! Component: 200 - total flux cleaned = 0.00673135 Jy ! Total flux subtracted in 200 components = 0.00673135 Jy ! Clean residual min=-0.007861 max=0.007351 Jy/beam ! Clean residual mean=-0.000017 rms=0.002088 Jy/beam ! Combined flux in latest and established models = 1.07375 Jy ! Adding 85 model components to the UV plane model. ! The established model now contains 126 components and 1.07374 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.719 mas, bmaj=10.27 mas, bpa=-10.35 degrees ! Estimated noise=0.726212 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00190923 Jy ! Component: 100 - total flux cleaned = 0.00275102 Jy ! Component: 150 - total flux cleaned = 0.00305694 Jy ! Component: 200 - total flux cleaned = 0.00347987 Jy ! Total flux subtracted in 200 components = 0.00347987 Jy ! Clean residual min=-0.006364 max=0.005831 Jy/beam ! Clean residual mean=-0.000012 rms=0.001603 Jy/beam ! Combined flux in latest and established models = 1.07722 Jy selfcal ! Performing phase self-cal ! Adding 60 model components to the UV plane model. ! The established model now contains 175 components and 1.07722 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. ! ! Fit before self-cal, rms=0.046951Jy sigma=0.650115 ! Fit after self-cal, rms=0.046647Jy sigma=0.643671 wmodel J2331-1556_C_map.mod ! Writing 175 model components to file: J2331-1556_C_map.mod wobs J2331-1556_C_uvs.fits ! Writing UV FITS file: J2331-1556_C_uvs.fits wwins J2331-1556_C_map.win ! wwins: Wrote 4 windows to J2331-1556_C_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00185477 Jy ! Component: 100 - total flux cleaned = -0.00213146 Jy ! Component: 150 - total flux cleaned = -0.00244613 Jy ! Component: 200 - total flux cleaned = -0.0027228 Jy ! Component: 250 - total flux cleaned = -0.00298082 Jy ! Component: 300 - total flux cleaned = -0.00322353 Jy ! Component: 350 - total flux cleaned = -0.00356342 Jy ! Component: 400 - total flux cleaned = -0.00372644 Jy ! Component: 450 - total flux cleaned = -0.00377791 Jy ! Component: 500 - total flux cleaned = -0.00382739 Jy ! Component: 550 - total flux cleaned = -0.00368806 Jy ! Component: 600 - total flux cleaned = -0.00373268 Jy ! Component: 650 - total flux cleaned = -0.00373311 Jy ! Component: 700 - total flux cleaned = -0.00389572 Jy ! Component: 750 - total flux cleaned = -0.00397315 Jy ! Component: 800 - total flux cleaned = -0.00420006 Jy ! Component: 850 - total flux cleaned = -0.00449151 Jy ! Component: 900 - total flux cleaned = -0.00473808 Jy ! Component: 950 - total flux cleaned = -0.00494486 Jy ! Component: 1000 - total flux cleaned = -0.00521135 Jy ! Component: 1050 - total flux cleaned = -0.00549905 Jy ! Component: 1100 - total flux cleaned = -0.00556159 Jy ! Component: 1150 - total flux cleaned = -0.00577411 Jy ! Component: 1200 - total flux cleaned = -0.00592121 Jy ! Component: 1250 - total flux cleaned = -0.00606423 Jy ! Component: 1300 - total flux cleaned = -0.00620223 Jy ! Component: 1350 - total flux cleaned = -0.00633749 Jy ! Component: 1400 - total flux cleaned = -0.00644361 Jy ! Component: 1450 - total flux cleaned = -0.00654708 Jy ! Component: 1500 - total flux cleaned = -0.0066472 Jy ! Component: 1550 - total flux cleaned = -0.00664811 Jy ! Component: 1600 - total flux cleaned = -0.00686183 Jy ! Component: 1650 - total flux cleaned = -0.0069782 Jy ! Component: 1700 - total flux cleaned = -0.00711516 Jy ! Component: 1750 - total flux cleaned = -0.00735931 Jy ! Component: 1800 - total flux cleaned = -0.00738098 Jy ! Component: 1850 - total flux cleaned = -0.00744469 Jy ! Component: 1900 - total flux cleaned = -0.00746546 Jy ! Component: 1950 - total flux cleaned = -0.00764858 Jy ! Component: 2000 - total flux cleaned = -0.00760849 Jy ! Component: 2050 - total flux cleaned = -0.00770669 Jy ! Component: 2100 - total flux cleaned = -0.00776472 Jy ! Component: 2150 - total flux cleaned = -0.00778344 Jy ! Component: 2200 - total flux cleaned = -0.00772795 Jy ! Component: 2250 - total flux cleaned = -0.00774601 Jy ! Component: 2300 - total flux cleaned = -0.00769199 Jy ! Component: 2350 - total flux cleaned = -0.00769187 Jy ! Component: 2400 - total flux cleaned = -0.00769178 Jy ! Component: 2450 - total flux cleaned = -0.00767446 Jy ! Component: 2500 - total flux cleaned = -0.00764071 Jy ! Component: 2550 - total flux cleaned = -0.00760749 Jy ! Component: 2600 - total flux cleaned = -0.00757466 Jy ! Component: 2650 - total flux cleaned = -0.00755886 Jy ! Component: 2700 - total flux cleaned = -0.00755897 Jy ! Component: 2750 - total flux cleaned = -0.00751169 Jy ! Component: 2800 - total flux cleaned = -0.00748082 Jy ! Component: 2850 - total flux cleaned = -0.00751154 Jy ! Component: 2900 - total flux cleaned = -0.00748109 Jy ! Component: 2950 - total flux cleaned = -0.00748087 Jy ! Component: 3000 - total flux cleaned = -0.00742183 Jy ! Component: 3050 - total flux cleaned = -0.00743655 Jy ! Component: 3100 - total flux cleaned = -0.0074363 Jy ! Component: 3150 - total flux cleaned = -0.00743646 Jy ! Component: 3200 - total flux cleaned = -0.00747918 Jy ! Component: 3250 - total flux cleaned = -0.00753561 Jy ! Component: 3300 - total flux cleaned = -0.0075637 Jy ! Component: 3350 - total flux cleaned = -0.00764695 Jy ! Component: 3400 - total flux cleaned = -0.00766067 Jy ! Component: 3450 - total flux cleaned = -0.00770186 Jy ! Component: 3500 - total flux cleaned = -0.00774255 Jy ! Component: 3550 - total flux cleaned = -0.00776961 Jy ! Component: 3600 - total flux cleaned = -0.00776963 Jy ! Component: 3650 - total flux cleaned = -0.00776969 Jy ! Component: 3700 - total flux cleaned = -0.00776968 Jy ! Component: 3750 - total flux cleaned = -0.00776971 Jy ! Component: 3800 - total flux cleaned = -0.00778306 Jy ! Component: 3850 - total flux cleaned = -0.00780946 Jy ! Component: 3900 - total flux cleaned = -0.00782266 Jy ! Component: 3950 - total flux cleaned = -0.00786212 Jy ! Component: 4000 - total flux cleaned = -0.00786207 Jy ! Component: 4050 - total flux cleaned = -0.00786201 Jy ! Total flux subtracted in 4096 components = -0.00790135 Jy ! Clean residual min=-0.000712 max=0.000699 Jy/beam ! Clean residual mean=-0.000000 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 1.06932 Jy keep ! Adding 472 model components to the UV plane model. ! The established model now contains 647 components and 1.06932 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J2331-1556_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.719 x 10.27 at -10.35 degrees (North through East) ! Clean map min=-0.012615 max=0.89795 Jy/beam ! Writing clean map to FITS file: .//J2331-1556_C_map.fits wmodel .//J2331-1556_C_map.mod ! Writing 647 model components to file: .//J2331-1556_C_map.mod wobs .//J2331-1556_C_uvs.fits ! Writing UV FITS file: .//J2331-1556_C_uvs.fits wwins .//J2331-1556_C_map.win ! wwins: Wrote 5 windows to .//J2331-1556_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.897948 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000257382 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.08599 0.08599 0.17198 0.34396 0.68792 1.37584 2.75168 5.50336 11.0067 22.0134 44.0269 88.0538 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.897 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3488.78 quit ! Quitting program ! Log file .//J2331-1556_C_dfm.log closed on Mon Jan 20 19:29:18 2020