! Started logfile: .//J1731-2719_X_20180722_dfm.log on Wed Aug 8 14:55:12 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs .//J1731-2719_X_20180722_uva.fits ! Reading UV FITS file: .//J1731-2719_X_20180722_uva.fits ! AN table 1: 92 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.997283 visibilities/baseline/integration-bin. ! Found source: J1731-2719 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 20552 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1731-2719_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 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 93 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000359Jy sigma=17.508611 ! Fit after self-cal, rms=0.982843Jy sigma=17.196108 ! 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=0.6391 mas, bmaj=1.789 mas, bpa=-4.118 degrees ! Estimated noise=0.820902 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 = 0.0141502 Jy ! Component: 100 - total flux cleaned = 0.0172591 Jy ! Total flux subtracted in 100 components = 0.0172591 Jy ! Clean residual min=-0.002645 max=0.002364 Jy/beam ! Clean residual mean=0.000001 rms=0.000597 Jy/beam ! Combined flux in latest and established models = 0.0172591 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0172591 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=0.034754Jy sigma=0.585053 ! Fit after self-cal, rms=0.033254Jy sigma=0.559108 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0031268 Jy ! Component: 100 - total flux cleaned = 0.00385743 Jy ! Total flux subtracted in 100 components = 0.00385743 Jy ! Clean residual min=-0.002590 max=0.002554 Jy/beam ! Clean residual mean=0.000001 rms=0.000545 Jy/beam ! Combined flux in latest and established models = 0.0211166 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 11 components and 0.0211166 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=0.033061Jy sigma=0.555081 ! Fit after self-cal, rms=0.033061Jy sigma=0.555028 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8113 mas, bmaj=2.112 mas, bpa=-1.739 degrees ! Estimated noise=0.31781 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 = 2.3132e-05 Jy ! Component: 100 - total flux cleaned = 5.4626e-05 Jy ! Component: 150 - total flux cleaned = 6.98702e-05 Jy ! Component: 200 - total flux cleaned = 9.13117e-05 Jy ! Total flux subtracted in 200 components = 9.13117e-05 Jy ! Clean residual min=-0.001842 max=0.001572 Jy/beam ! Clean residual mean=0.000002 rms=0.000395 Jy/beam ! Combined flux in latest and established models = 0.0212079 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 17 components and 0.0212079 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=0.033055Jy sigma=0.554945 ! Fit after self-cal, rms=0.033042Jy sigma=0.554802 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8113 x 2.112 at -1.739 degrees (North through East) ! Clean map min=-0.001728 max=0.020896 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00* KP 0.99 MK 1.01 ! NL 1.02 OV 0.81 PT 1.24 SC 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00* KP 1.15 MK 1.00 ! NL 1.03 OV 0.80 PT 1.19 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.00* KP 1.33 MK 0.89 ! NL 0.99 OV 0.83 PT 1.25 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00* KP 1.19 MK 0.98 ! NL 1.00 OV 0.77 PT 1.21 SC 1.12 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00* KP 1.06 MK 0.97 ! NL 1.06 OV 0.84 PT 1.08 SC 1.06 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 1.00 KP 1.10 MK 0.99 ! NL 0.92 OV 0.86 PT 1.29 SC 1.24 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 1.00* KP 1.13 MK 1.09 ! NL 0.99 OV 0.66 PT 1.20 SC 1.12 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.06 KP 1.23 MK 1.03 ! NL 0.99 OV 1.07 PT 1.16 SC 0.88 ! ! ! Fit before self-cal, rms=0.033042Jy sigma=0.554802 ! Fit after self-cal, rms=0.033728Jy sigma=0.550412 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8115 mas, bmaj=2.099 mas, bpa=-1.775 degrees ! Estimated noise=0.316616 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 = 0.000122631 Jy ! Component: 100 - total flux cleaned = 0.000135419 Jy ! Component: 150 - total flux cleaned = 0.000125227 Jy ! Component: 200 - total flux cleaned = 0.000112771 Jy ! Total flux subtracted in 200 components = 0.000112771 Jy ! Clean residual min=-0.000906 max=0.000828 Jy/beam ! Clean residual mean=-0.000000 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.0213206 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 19 components and 0.0213206 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=0.033726Jy sigma=0.550375 ! Fit after self-cal, rms=0.034088Jy sigma=0.548583 ! 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=0.034088Jy sigma=0.548583 ! Fit after self-cal, rms=0.035845Jy sigma=0.547943 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8113 mas, bmaj=2.097 mas, bpa=-1.568 degrees ! Estimated noise=0.318931 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000147284 Jy ! Component: 100 - total flux cleaned = 0.000132887 Jy ! Component: 150 - total flux cleaned = 0.000113347 Jy ! Component: 200 - total flux cleaned = 0.000100782 Jy ! Total flux subtracted in 200 components = 0.000100782 Jy ! Clean residual min=-0.000925 max=0.000789 Jy/beam ! Clean residual mean=-0.000000 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.0214214 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 19 components and 0.0214214 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=0.035843Jy sigma=0.547927 ! Fit after self-cal, rms=0.036097Jy sigma=0.547329 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 = -8.27185e-06 Jy ! Component: 100 - total flux cleaned = -2.76262e-05 Jy ! Component: 150 - total flux cleaned = -3.92498e-05 Jy ! Component: 200 - total flux cleaned = -3.93075e-05 Jy ! Total flux subtracted in 200 components = -3.93075e-05 Jy ! Clean residual min=-0.000935 max=0.000757 Jy/beam ! Clean residual mean=0.000000 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.0213821 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 26 components and 0.0213821 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=0.036093Jy sigma=0.547335 ! Fit after self-cal, rms=0.036092Jy sigma=0.547304 ! 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=0.036092Jy sigma=0.547304 ! Fit after self-cal, rms=0.037489Jy sigma=0.547102 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8102 mas, bmaj=2.094 mas, bpa=-1.379 degrees ! Estimated noise=0.320821 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000193291 Jy ! Component: 100 - total flux cleaned = 0.000200324 Jy ! Component: 150 - total flux cleaned = 0.000200355 Jy ! Component: 200 - total flux cleaned = 0.000200225 Jy ! Total flux subtracted in 200 components = 0.000200225 Jy ! Clean residual min=-0.000876 max=0.000766 Jy/beam ! Clean residual mean=-0.000000 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.0215823 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 29 components and 0.0215823 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=0.037487Jy sigma=0.547102 ! Fit after self-cal, rms=0.037674Jy sigma=0.546926 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 = -2.41814e-05 Jy ! Component: 100 - total flux cleaned = -4.0519e-05 Jy ! Component: 150 - total flux cleaned = -4.63641e-05 Jy ! Component: 200 - total flux cleaned = -4.88728e-05 Jy ! Total flux subtracted in 200 components = -4.88728e-05 Jy ! Clean residual min=-0.000894 max=0.000761 Jy/beam ! Clean residual mean=0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.0215335 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 32 components and 0.0215335 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=0.037671Jy sigma=0.546934 ! Fit after self-cal, rms=0.037680Jy sigma=0.546894 ! 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. ! ! Fit before self-cal, rms=0.037680Jy sigma=0.546894 ! Fit after self-cal, rms=0.038895Jy sigma=0.546794 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.173 mas, bmaj=5.069 mas, bpa=-2.509 degrees ! Estimated noise=0.44039 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0002246 Jy ! Component: 100 - total flux cleaned = 0.000268661 Jy ! Component: 150 - total flux cleaned = 0.000269877 Jy ! Component: 200 - total flux cleaned = 0.000269911 Jy ! Total flux subtracted in 200 components = 0.000269911 Jy ! Clean residual min=-0.001206 max=0.001075 Jy/beam ! Clean residual mean=-0.000001 rms=0.000309 Jy/beam ! Combined flux in latest and established models = 0.0218034 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 35 components and 0.0218034 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=0.038893Jy sigma=0.546809 ! Fit after self-cal, rms=0.039028Jy sigma=0.546738 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 = -4.12469e-05 Jy ! Component: 100 - total flux cleaned = -4.11943e-05 Jy ! Component: 150 - total flux cleaned = -4.12439e-05 Jy ! Component: 200 - total flux cleaned = -4.13172e-05 Jy ! Total flux subtracted in 200 components = -4.13172e-05 Jy ! Clean residual min=-0.001188 max=0.001007 Jy/beam ! Clean residual mean=-0.000000 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.0217621 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 38 components and 0.0217621 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=0.039026Jy sigma=0.546746 ! Fit after self-cal, rms=0.039030Jy sigma=0.546743 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=0.8086 mas, bmaj=2.092 mas, bpa=-1.201 degrees ! Estimated noise=0.322563 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8086 x 2.092 at -1.201 degrees (North through East) ! Clean map min=-0.00084157 max=0.020523 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=0.6434 mas, bmaj=1.768 mas, bpa=-3.536 degrees ! Estimated noise=0.822153 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0160246 Jy ! Component: 100 - total flux cleaned = 0.0196942 Jy ! Component: 150 - total flux cleaned = 0.0206132 Jy ! Component: 200 - total flux cleaned = 0.0209158 Jy ! Total flux subtracted in 200 components = 0.0209158 Jy ! Clean residual min=-0.001711 max=0.001812 Jy/beam ! Clean residual mean=-0.000000 rms=0.000419 Jy/beam ! Combined flux in latest and established models = 0.0209159 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0209159 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8086 mas, bmaj=2.092 mas, bpa=-1.201 degrees ! Estimated noise=0.322563 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 = 0.000624934 Jy ! Component: 100 - total flux cleaned = 0.000747447 Jy ! Component: 150 - total flux cleaned = 0.00074743 Jy ! Component: 200 - total flux cleaned = 0.000747541 Jy ! Total flux subtracted in 200 components = 0.000747541 Jy ! Clean residual min=-0.000865 max=0.000854 Jy/beam ! Clean residual mean=0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.0216634 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 24 components and 0.0216634 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=2.173 mas, bmaj=5.069 mas, bpa=-2.509 degrees ! Estimated noise=0.44039 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00011325 Jy ! Component: 100 - total flux cleaned = 0.000112258 Jy ! Component: 150 - total flux cleaned = 0.000111814 Jy ! Component: 200 - total flux cleaned = 0.000111647 Jy ! Total flux subtracted in 200 components = 0.000111647 Jy ! Clean residual min=-0.001174 max=0.001014 Jy/beam ! Clean residual mean=-0.000000 rms=0.000286 Jy/beam ! Combined flux in latest and established models = 0.021775 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 = -1.05925e-07 Jy ! Component: 100 - total flux cleaned = -1.78735e-07 Jy ! Component: 150 - total flux cleaned = 1.73718e-06 Jy ! Component: 200 - total flux cleaned = 1.77659e-06 Jy ! Total flux subtracted in 200 components = 1.77659e-06 Jy ! Clean residual min=-0.001179 max=0.001013 Jy/beam ! Clean residual mean=-0.000000 rms=0.000286 Jy/beam ! Combined flux in latest and established models = 0.0217768 Jy ! Adding 5 model components to the UV plane model. ! The established model now contains 28 components and 0.0217768 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8086 mas, bmaj=2.092 mas, bpa=-1.201 degrees ! Estimated noise=0.322563 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.23252e-05 Jy ! Component: 100 - total flux cleaned = -8.1086e-05 Jy ! Component: 150 - total flux cleaned = -8.16804e-05 Jy ! Component: 200 - total flux cleaned = -8.16119e-05 Jy ! Total flux subtracted in 200 components = -8.16119e-05 Jy ! Clean residual min=-0.000878 max=0.000821 Jy/beam ! Clean residual mean=0.000000 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.0216952 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 34 components and 0.0216952 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=0.039031Jy sigma=0.546820 ! Fit after self-cal, rms=0.039035Jy sigma=0.546732 wmodel J1731-2719_X_map.mod ! Writing 34 model components to file: J1731-2719_X_map.mod wobs J1731-2719_X_uvs.fits ! Writing UV FITS file: J1731-2719_X_uvs.fits wwins J1731-2719_X_map.win ! wwins: Wrote 1 windows to J1731-2719_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000184833 Jy ! Component: 100 - total flux cleaned = -0.000313603 Jy ! Component: 150 - total flux cleaned = -0.000430815 Jy ! Component: 200 - total flux cleaned = -0.000506744 Jy ! Component: 250 - total flux cleaned = -0.000506559 Jy ! Component: 300 - total flux cleaned = -0.000516183 Jy ! Component: 350 - total flux cleaned = -0.000488049 Jy ! Component: 400 - total flux cleaned = -0.000478801 Jy ! Component: 450 - total flux cleaned = -0.000496033 Jy ! Component: 500 - total flux cleaned = -0.000504446 Jy ! Component: 550 - total flux cleaned = -0.00051256 Jy ! Component: 600 - total flux cleaned = -0.000504674 Jy ! Component: 650 - total flux cleaned = -0.000504737 Jy ! Component: 700 - total flux cleaned = -0.000512356 Jy ! Component: 750 - total flux cleaned = -0.000534586 Jy ! Component: 800 - total flux cleaned = -0.000541696 Jy ! Component: 850 - total flux cleaned = -0.000541738 Jy ! Component: 900 - total flux cleaned = -0.000555753 Jy ! Component: 950 - total flux cleaned = -0.000562651 Jy ! Component: 1000 - total flux cleaned = -0.000569267 Jy ! Component: 1050 - total flux cleaned = -0.000556014 Jy ! Component: 1100 - total flux cleaned = -0.000549432 Jy ! Component: 1150 - total flux cleaned = -0.000555771 Jy ! Component: 1200 - total flux cleaned = -0.000543155 Jy ! Component: 1250 - total flux cleaned = -0.000549394 Jy ! Component: 1300 - total flux cleaned = -0.000555593 Jy ! Component: 1350 - total flux cleaned = -0.000567608 Jy ! Component: 1400 - total flux cleaned = -0.000555756 Jy ! Component: 1450 - total flux cleaned = -0.000567518 Jy ! Component: 1500 - total flux cleaned = -0.00057905 Jy ! Component: 1550 - total flux cleaned = -0.00057908 Jy ! Component: 1600 - total flux cleaned = -0.000584738 Jy ! Component: 1650 - total flux cleaned = -0.00060143 Jy ! Component: 1700 - total flux cleaned = -0.000617779 Jy ! Component: 1750 - total flux cleaned = -0.000628597 Jy ! Component: 1800 - total flux cleaned = -0.000633862 Jy ! Component: 1850 - total flux cleaned = -0.000633856 Jy ! Component: 1900 - total flux cleaned = -0.000633938 Jy ! Component: 1950 - total flux cleaned = -0.000659787 Jy ! Component: 2000 - total flux cleaned = -0.0006751 Jy ! Component: 2050 - total flux cleaned = -0.000690284 Jy ! Component: 2100 - total flux cleaned = -0.000715319 Jy ! Component: 2150 - total flux cleaned = -0.000720246 Jy ! Component: 2200 - total flux cleaned = -0.000744744 Jy ! Component: 2250 - total flux cleaned = -0.000739942 Jy ! Component: 2300 - total flux cleaned = -0.000764013 Jy ! Component: 2350 - total flux cleaned = -0.000768739 Jy ! Component: 2400 - total flux cleaned = -0.000763999 Jy ! Component: 2450 - total flux cleaned = -0.000754688 Jy ! Component: 2500 - total flux cleaned = -0.000750105 Jy ! Component: 2550 - total flux cleaned = -0.000773055 Jy ! Component: 2600 - total flux cleaned = -0.000759368 Jy ! Component: 2650 - total flux cleaned = -0.000750354 Jy ! Component: 2700 - total flux cleaned = -0.000741388 Jy ! Component: 2750 - total flux cleaned = -0.000736974 Jy ! Component: 2800 - total flux cleaned = -0.000732546 Jy ! Component: 2850 - total flux cleaned = -0.000745645 Jy ! Component: 2900 - total flux cleaned = -0.000745669 Jy ! Component: 2950 - total flux cleaned = -0.000745692 Jy ! Component: 3000 - total flux cleaned = -0.000758568 Jy ! Component: 3050 - total flux cleaned = -0.000758609 Jy ! Component: 3100 - total flux cleaned = -0.000775542 Jy ! Component: 3150 - total flux cleaned = -0.000779738 Jy ! Component: 3200 - total flux cleaned = -0.000792229 Jy ! Component: 3250 - total flux cleaned = -0.000796381 Jy ! Component: 3300 - total flux cleaned = -0.000808763 Jy ! Component: 3350 - total flux cleaned = -0.000816952 Jy ! Component: 3400 - total flux cleaned = -0.000812873 Jy ! Component: 3450 - total flux cleaned = -0.000829157 Jy ! Component: 3500 - total flux cleaned = -0.000833174 Jy ! Component: 3550 - total flux cleaned = -0.000841242 Jy ! Component: 3600 - total flux cleaned = -0.000853233 Jy ! Component: 3650 - total flux cleaned = -0.000853243 Jy ! Component: 3700 - total flux cleaned = -0.000857201 Jy ! Component: 3750 - total flux cleaned = -0.000861156 Jy ! Component: 3800 - total flux cleaned = -0.000880771 Jy ! Component: 3850 - total flux cleaned = -0.000876848 Jy ! Component: 3900 - total flux cleaned = -0.000876837 Jy ! Component: 3950 - total flux cleaned = -0.000884596 Jy ! Component: 4000 - total flux cleaned = -0.000892306 Jy ! Component: 4050 - total flux cleaned = -0.000896135 Jy ! Total flux subtracted in 4096 components = -0.000899975 Jy ! Clean residual min=-0.000265 max=0.000247 Jy/beam ! Clean residual mean=-0.000001 rms=0.000062 Jy/beam ! Combined flux in latest and established models = 0.0207952 Jy keep ! Adding 221 model components to the UV plane model. ! The established model now contains 255 components and 0.0207953 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1731-2719_X_20180722_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8086 x 2.092 at -1.201 degrees (North through East) ! Clean map min=-0.00048621 max=0.020343 Jy/beam ! Writing clean map to FITS file: .//J1731-2719_X_20180722_map.fits wmodel .//J1731-2719_X_20180722_map.mod ! Writing 255 model components to file: .//J1731-2719_X_20180722_map.mod wobs .//J1731-2719_X_20180722_uvs.fits ! Writing UV FITS file: .//J1731-2719_X_20180722_uvs.fits wwins .//J1731-2719_X_20180722_map.win ! wwins: Wrote 2 windows to .//J1731-2719_X_20180722_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0203426 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.22221e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.917613 0.917613 1.83523 3.67045 7.3409 14.6818 29.3636 58.7272 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.02 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 326.935 quit ! Quitting program ! Log file .//J1731-2719_X_20180722_dfm.log closed on Wed Aug 8 14:55:16 2018