! Started logfile: .//J1918-2931_X_dfm.log on Mon Jan 20 18:54:18 2020 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 .//J1918-2931_X_uva.fits ! Reading UV FITS file: .//J1918-2931_X_uva.fits ! AN table 1: 16 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.976389 visibilities/baseline/integration-bin. ! Found source: J1918-2931 ! ! 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 94 lines of history. ! ! Reading 5624 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 J1918-2931_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 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=1.002445Jy sigma=15.591625 ! Fit after self-cal, rms=0.952904Jy sigma=14.799130 ! 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=0.7035 mas, bmaj=1.987 mas, bpa=1.591 degrees ! Estimated noise=0.98793 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 = 0.0359956 Jy ! Component: 100 - total flux cleaned = 0.048448 Jy ! Total flux subtracted in 100 components = 0.048448 Jy ! Clean residual min=-0.003797 max=0.005796 Jy/beam ! Clean residual mean=0.000005 rms=0.001021 Jy/beam ! Combined flux in latest and established models = 0.048448 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.048448 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=0.063196Jy sigma=0.713717 ! Fit after self-cal, rms=0.062037Jy sigma=0.692527 ! Inverting map ! Added new window around map position (1.2, 2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00663415 Jy ! Component: 100 - total flux cleaned = 0.00984795 Jy ! Total flux subtracted in 100 components = 0.00984795 Jy ! Clean residual min=-0.003686 max=0.003825 Jy/beam ! Clean residual mean=-0.000004 rms=0.000838 Jy/beam ! Combined flux in latest and established models = 0.0582959 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 23 components and 0.0582959 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=0.061269Jy sigma=0.674527 ! Fit after self-cal, rms=0.061225Jy sigma=0.673793 ! 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=0.8708 mas, bmaj=2.387 mas, bpa=1.073 degrees ! Estimated noise=0.637501 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 = 0.00297759 Jy ! Component: 100 - total flux cleaned = 0.00457333 Jy ! Component: 150 - total flux cleaned = 0.00508235 Jy ! Component: 200 - total flux cleaned = 0.00522215 Jy ! Total flux subtracted in 200 components = 0.00522215 Jy ! Clean residual min=-0.002479 max=0.002955 Jy/beam ! Clean residual mean=-0.000012 rms=0.000672 Jy/beam ! Combined flux in latest and established models = 0.0635181 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 37 components and 0.063518 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=0.061034Jy sigma=0.671088 ! Fit after self-cal, rms=0.061019Jy sigma=0.670982 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8708 x 2.387 at 1.073 degrees (North through East) ! Clean map min=-0.0022846 max=0.044126 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 1.14 KP 0.93 ! LA 1.00 MK 1.08 NL 0.89 OV 1.20 ! PT 0.95 SC 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.06 HN 1.44 KP 1.01 ! LA 0.96 MK 0.96 NL 0.80 OV 1.16 ! PT 0.94 SC 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.91 HN 1.15 KP 1.00 ! LA 0.94 MK 1.05 NL 0.88 OV 1.16 ! PT 1.00 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.96 HN 1.38 KP 1.13 ! LA 1.01 MK 0.94 NL 0.84 OV 1.03 ! PT 1.03 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.93 HN 1.01 KP 1.02 ! LA 1.00 MK 1.02 NL 0.84 OV 1.14 ! PT 0.96 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.92 HN 1.39 KP 1.00 ! LA 1.06 MK 1.04 NL 0.88 OV 1.08 ! PT 0.89 SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HN 1.33 KP 1.15 ! LA 0.95 MK 1.09 NL 0.94 OV 1.12 ! PT 0.87 SC 1.06 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.93 HN 1.61 KP 1.04 ! LA 0.96 MK 0.95 NL 0.83 OV 1.18 ! PT 0.98 SC 0.93 ! ! ! Fit before self-cal, rms=0.061019Jy sigma=0.670982 ! Fit after self-cal, rms=0.067044Jy sigma=0.663685 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8758 mas, bmaj=2.379 mas, bpa=1.189 degrees ! Estimated noise=0.643363 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 = 0.000280795 Jy ! Component: 100 - total flux cleaned = 0.000347661 Jy ! Component: 150 - total flux cleaned = 0.000368212 Jy ! Component: 200 - total flux cleaned = 0.000387004 Jy ! Total flux subtracted in 200 components = 0.000387004 Jy ! Clean residual min=-0.001844 max=0.002048 Jy/beam ! Clean residual mean=-0.000003 rms=0.000467 Jy/beam ! Combined flux in latest and established models = 0.0639051 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 47 components and 0.0639051 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=0.067027Jy sigma=0.663404 ! Fit after self-cal, rms=0.067077Jy sigma=0.663081 ! 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=0.067077Jy sigma=0.663081 ! Fit after self-cal, rms=0.067363Jy sigma=0.663050 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8759 mas, bmaj=2.379 mas, bpa=1.248 degrees ! Estimated noise=0.645592 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000345071 Jy ! Component: 100 - total flux cleaned = 0.000448948 Jy ! Component: 150 - total flux cleaned = 0.000466308 Jy ! Component: 200 - total flux cleaned = 0.000466537 Jy ! Total flux subtracted in 200 components = 0.000466537 Jy ! Clean residual min=-0.001806 max=0.002045 Jy/beam ! Clean residual mean=-0.000003 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.0643716 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 49 components and 0.0643716 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=0.067348Jy sigma=0.662881 ! Fit after self-cal, rms=0.067336Jy sigma=0.662848 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 (47.6, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000949975 Jy ! Component: 100 - total flux cleaned = 0.000739912 Jy ! Component: 150 - total flux cleaned = 0.000570293 Jy ! Component: 200 - total flux cleaned = 0.000538675 Jy ! Total flux subtracted in 200 components = 0.000538675 Jy ! Clean residual min=-0.001700 max=0.001992 Jy/beam ! Clean residual mean=-0.000003 rms=0.000441 Jy/beam ! Combined flux in latest and established models = 0.0649103 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 66 components and 0.0649103 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=0.067230Jy sigma=0.661920 ! Fit after self-cal, rms=0.067205Jy sigma=0.661802 ! Inverting map ! Added new window around map position (-33, 39.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00095907 Jy ! Component: 100 - total flux cleaned = 0.00130522 Jy ! Component: 150 - total flux cleaned = 0.00149778 Jy ! Component: 200 - total flux cleaned = 0.00159867 Jy ! Total flux subtracted in 200 components = 0.00159867 Jy ! Clean residual min=-0.001529 max=0.001559 Jy/beam ! Clean residual mean=-0.000003 rms=0.000395 Jy/beam ! Combined flux in latest and established models = 0.0665089 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 89 components and 0.0665089 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=0.067113Jy sigma=0.660392 ! Fit after self-cal, rms=0.067109Jy sigma=0.660292 ! 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=0.067109Jy sigma=0.660292 ! Fit after self-cal, rms=0.066212Jy sigma=0.660195 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8753 mas, bmaj=2.379 mas, bpa=1.218 degrees ! Estimated noise=0.643536 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.13831e-06 Jy ! Component: 100 - total flux cleaned = -3.48597e-06 Jy ! Component: 150 - total flux cleaned = -9.41467e-05 Jy ! Component: 200 - total flux cleaned = -6.62812e-05 Jy ! Total flux subtracted in 200 components = -6.62812e-05 Jy ! Clean residual min=-0.001502 max=0.001528 Jy/beam ! Clean residual mean=-0.000003 rms=0.000382 Jy/beam ! Combined flux in latest and established models = 0.0664427 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 92 components and 0.0664426 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=0.066161Jy sigma=0.659804 ! Fit after self-cal, rms=0.066148Jy sigma=0.659784 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 = -2.30409e-06 Jy ! Component: 100 - total flux cleaned = -2.98626e-05 Jy ! Component: 150 - total flux cleaned = -3.03063e-05 Jy ! Component: 200 - total flux cleaned = -5.44162e-05 Jy ! Total flux subtracted in 200 components = -5.44162e-05 Jy ! Clean residual min=-0.001505 max=0.001513 Jy/beam ! Clean residual mean=-0.000003 rms=0.000376 Jy/beam ! Combined flux in latest and established models = 0.0663882 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 96 components and 0.0663882 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=0.066112Jy sigma=0.659556 ! Fit after self-cal, rms=0.066108Jy sigma=0.659547 ! 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=0.066108Jy sigma=0.659547 ! Fit after self-cal, rms=0.065984Jy sigma=0.659523 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.264 mas, bmaj=6.169 mas, bpa=7.5 degrees ! Estimated noise=0.799206 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000131412 Jy ! Component: 100 - total flux cleaned = 0.000186354 Jy ! Component: 150 - total flux cleaned = 0.000217177 Jy ! Component: 200 - total flux cleaned = 0.000231669 Jy ! Total flux subtracted in 200 components = 0.000231669 Jy ! Clean residual min=-0.001588 max=0.001321 Jy/beam ! Clean residual mean=-0.000005 rms=0.000391 Jy/beam ! Combined flux in latest and established models = 0.0666199 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 109 components and 0.0666199 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=0.065970Jy sigma=0.659486 ! Fit after self-cal, rms=0.065961Jy sigma=0.659471 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 = 4.5031e-05 Jy ! Component: 100 - total flux cleaned = 7.27796e-05 Jy ! Component: 150 - total flux cleaned = 9.76454e-05 Jy ! Component: 200 - total flux cleaned = 0.000108933 Jy ! Total flux subtracted in 200 components = 0.000108933 Jy ! Clean residual min=-0.001541 max=0.001322 Jy/beam ! Clean residual mean=-0.000005 rms=0.000390 Jy/beam ! Combined flux in latest and established models = 0.0667288 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 117 components and 0.0667288 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=0.065952Jy sigma=0.659489 ! Fit after self-cal, rms=0.065948Jy sigma=0.659481 ! 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=0.8752 mas, bmaj=2.379 mas, bpa=1.245 degrees ! Estimated noise=0.644427 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8752 x 2.379 at 1.245 degrees (North through East) ! Clean map min=-0.0020851 max=0.044155 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=0.7042 mas, bmaj=1.972 mas, bpa=1.819 degrees ! Estimated noise=1.00252 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0373941 Jy ! Component: 100 - total flux cleaned = 0.0506109 Jy ! Component: 150 - total flux cleaned = 0.0559038 Jy ! Component: 200 - total flux cleaned = 0.0576287 Jy ! Total flux subtracted in 200 components = 0.0576287 Jy ! Clean residual min=-0.003102 max=0.003112 Jy/beam ! Clean residual mean=0.000003 rms=0.000763 Jy/beam ! Combined flux in latest and established models = 0.0576287 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 0.0576287 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8752 mas, bmaj=2.379 mas, bpa=1.245 degrees ! Estimated noise=0.644427 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 (-1, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00360841 Jy ! Component: 100 - total flux cleaned = 0.00577783 Jy ! Component: 150 - total flux cleaned = 0.00664667 Jy ! Component: 200 - total flux cleaned = 0.00727905 Jy ! Total flux subtracted in 200 components = 0.00727905 Jy ! Clean residual min=-0.001751 max=0.001615 Jy/beam ! Clean residual mean=-0.000002 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.0649078 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 50 components and 0.0649078 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=2.264 mas, bmaj=6.169 mas, bpa=7.5 degrees ! Estimated noise=0.799206 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132305 Jy ! Component: 100 - total flux cleaned = 0.00163276 Jy ! Component: 150 - total flux cleaned = 0.00170486 Jy ! Component: 200 - total flux cleaned = 0.00173752 Jy ! Total flux subtracted in 200 components = 0.00173752 Jy ! Clean residual min=-0.001609 max=0.001310 Jy/beam ! Clean residual mean=-0.000005 rms=0.000407 Jy/beam ! Combined flux in latest and established models = 0.0666453 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 = 3.02941e-05 Jy ! Component: 100 - total flux cleaned = 8.47777e-05 Jy ! Component: 150 - total flux cleaned = 0.000110093 Jy ! Component: 200 - total flux cleaned = 0.000155665 Jy ! Total flux subtracted in 200 components = 0.000155665 Jy ! Clean residual min=-0.001486 max=0.001221 Jy/beam ! Clean residual mean=-0.000004 rms=0.000382 Jy/beam ! Combined flux in latest and established models = 0.0668009 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 82 components and 0.0668009 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8752 mas, bmaj=2.379 mas, bpa=1.245 degrees ! Estimated noise=0.644427 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.45777e-05 Jy ! Component: 100 - total flux cleaned = 0.000295472 Jy ! Component: 150 - total flux cleaned = 0.000443245 Jy ! Component: 200 - total flux cleaned = 0.000513072 Jy ! Total flux subtracted in 200 components = 0.000513072 Jy ! Clean residual min=-0.001534 max=0.001543 Jy/beam ! Clean residual mean=-0.000003 rms=0.000380 Jy/beam ! Combined flux in latest and established models = 0.067314 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 101 components and 0.067314 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=0.066000Jy sigma=0.659951 ! Fit after self-cal, rms=0.066004Jy sigma=0.659831 wmodel J1918-2931_X_map.mod ! Writing 101 model components to file: J1918-2931_X_map.mod wobs J1918-2931_X_uvs.fits ! Writing UV FITS file: J1918-2931_X_uvs.fits wwins J1918-2931_X_map.win ! wwins: Wrote 5 windows to J1918-2931_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 = 0.000137159 Jy ! Component: 100 - total flux cleaned = 0.000292914 Jy ! Component: 150 - total flux cleaned = 0.000341651 Jy ! Component: 200 - total flux cleaned = 0.000459234 Jy ! Component: 250 - total flux cleaned = 0.000549658 Jy ! Component: 300 - total flux cleaned = 0.000724011 Jy ! Component: 350 - total flux cleaned = 0.000786769 Jy ! Component: 400 - total flux cleaned = 0.000869207 Jy ! Component: 450 - total flux cleaned = 0.000949532 Jy ! Component: 500 - total flux cleaned = 0.00100808 Jy ! Component: 550 - total flux cleaned = 0.00108411 Jy ! Component: 600 - total flux cleaned = 0.00108403 Jy ! Component: 650 - total flux cleaned = 0.00106611 Jy ! Component: 700 - total flux cleaned = 0.00115593 Jy ! Component: 750 - total flux cleaned = 0.00124282 Jy ! Component: 800 - total flux cleaned = 0.00120807 Jy ! Component: 850 - total flux cleaned = 0.00122501 Jy ! Component: 900 - total flux cleaned = 0.00125779 Jy ! Component: 950 - total flux cleaned = 0.0012903 Jy ! Component: 1000 - total flux cleaned = 0.00135358 Jy ! Component: 1050 - total flux cleaned = 0.00132266 Jy ! Component: 1100 - total flux cleaned = 0.00132299 Jy ! Component: 1150 - total flux cleaned = 0.00133809 Jy ! Component: 1200 - total flux cleaned = 0.00132333 Jy ! Component: 1250 - total flux cleaned = 0.00135218 Jy ! Component: 1300 - total flux cleaned = 0.00133771 Jy ! Component: 1350 - total flux cleaned = 0.00136612 Jy ! Component: 1400 - total flux cleaned = 0.00138026 Jy ! Component: 1450 - total flux cleaned = 0.00138028 Jy ! Component: 1500 - total flux cleaned = 0.00138037 Jy ! Component: 1550 - total flux cleaned = 0.00138055 Jy ! Component: 1600 - total flux cleaned = 0.00135415 Jy ! Component: 1650 - total flux cleaned = 0.00135418 Jy ! Component: 1700 - total flux cleaned = 0.00132843 Jy ! Component: 1750 - total flux cleaned = 0.00129008 Jy ! Component: 1800 - total flux cleaned = 0.00128998 Jy ! Component: 1850 - total flux cleaned = 0.00126506 Jy ! Component: 1900 - total flux cleaned = 0.00126512 Jy ! Component: 1950 - total flux cleaned = 0.00124059 Jy ! Component: 2000 - total flux cleaned = 0.00120446 Jy ! Component: 2050 - total flux cleaned = 0.00119261 Jy ! Component: 2100 - total flux cleaned = 0.00116901 Jy ! Component: 2150 - total flux cleaned = 0.00115742 Jy ! Component: 2200 - total flux cleaned = 0.00113428 Jy ! Component: 2250 - total flux cleaned = 0.0011456 Jy ! Component: 2300 - total flux cleaned = 0.0010771 Jy ! Component: 2350 - total flux cleaned = 0.00105449 Jy ! Component: 2400 - total flux cleaned = 0.00100971 Jy ! Component: 2450 - total flux cleaned = 0.00097638 Jy ! Component: 2500 - total flux cleaned = 0.000932402 Jy ! Component: 2550 - total flux cleaned = 0.000899547 Jy ! Component: 2600 - total flux cleaned = 0.000812919 Jy ! Component: 2650 - total flux cleaned = 0.000780673 Jy ! Component: 2700 - total flux cleaned = 0.000770006 Jy ! Component: 2750 - total flux cleaned = 0.000748848 Jy ! Component: 2800 - total flux cleaned = 0.000727852 Jy ! Component: 2850 - total flux cleaned = 0.000727758 Jy ! Component: 2900 - total flux cleaned = 0.000706932 Jy ! Component: 2950 - total flux cleaned = 0.000665768 Jy ! Component: 3000 - total flux cleaned = 0.000655537 Jy ! Component: 3050 - total flux cleaned = 0.000614916 Jy ! Component: 3100 - total flux cleaned = 0.000614872 Jy ! Component: 3150 - total flux cleaned = 0.000574807 Jy ! Component: 3200 - total flux cleaned = 0.00056479 Jy ! Component: 3250 - total flux cleaned = 0.000554825 Jy ! Component: 3300 - total flux cleaned = 0.00052535 Jy ! Component: 3350 - total flux cleaned = 0.000505872 Jy ! Component: 3400 - total flux cleaned = 0.000496194 Jy ! Component: 3450 - total flux cleaned = 0.000467266 Jy ! Component: 3500 - total flux cleaned = 0.000496039 Jy ! Component: 3550 - total flux cleaned = 0.000476952 Jy ! Component: 3600 - total flux cleaned = 0.000448501 Jy ! Component: 3650 - total flux cleaned = 0.00043915 Jy ! Component: 3700 - total flux cleaned = 0.000457926 Jy ! Component: 3750 - total flux cleaned = 0.000448633 Jy ! Component: 3800 - total flux cleaned = 0.000430165 Jy ! Component: 3850 - total flux cleaned = 0.000411723 Jy ! Component: 3900 - total flux cleaned = 0.000430146 Jy ! Component: 3950 - total flux cleaned = 0.000448403 Jy ! Component: 4000 - total flux cleaned = 0.000466476 Jy ! Component: 4050 - total flux cleaned = 0.000466435 Jy ! Total flux subtracted in 4096 components = 0.000475361 Jy ! Clean residual min=-0.000595 max=0.000564 Jy/beam ! Clean residual mean=-0.000001 rms=0.000155 Jy/beam ! Combined flux in latest and established models = 0.0677894 Jy keep ! Adding 263 model components to the UV plane model. ! The established model now contains 364 components and 0.0677893 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1918-2931_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8752 x 2.379 at 1.245 degrees (North through East) ! Clean map min=-0.0018499 max=0.044221 Jy/beam ! Writing clean map to FITS file: .//J1918-2931_X_map.fits wmodel .//J1918-2931_X_map.mod ! Writing 364 model components to file: .//J1918-2931_X_map.mod wobs .//J1918-2931_X_uvs.fits ! Writing UV FITS file: .//J1918-2931_X_uvs.fits wwins .//J1918-2931_X_map.win ! wwins: Wrote 6 windows to .//J1918-2931_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0442205 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000151521 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.02795 1.02795 2.0559 4.1118 8.22359 16.4472 32.8944 65.7887 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.044 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 291.843 quit ! Quitting program ! Log file .//J1918-2931_X_dfm.log closed on Mon Jan 20 18:54:21 2020