! Started logfile: .//J1820-0630_X_dfm.log on Mon Jan 20 18:45:47 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 .//J1820-0630_X_uva.fits ! Reading UV FITS file: .//J1820-0630_X_uva.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.988235 visibilities/baseline/integration-bin. ! Found source: J1820-0630 ! ! 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 6048 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 J1820-0630_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 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 1 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 1 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=1.000530Jy sigma=20.497710 ! Fit after self-cal, rms=0.972090Jy sigma=19.930212 ! 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=0.7547 mas, bmaj=1.969 mas, bpa=-0.9246 degrees ! Estimated noise=0.682215 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 = 0.019352 Jy ! Component: 100 - total flux cleaned = 0.0261459 Jy ! Total flux subtracted in 100 components = 0.0261459 Jy ! Clean residual min=-0.003217 max=0.006073 Jy/beam ! Clean residual mean=0.000006 rms=0.000982 Jy/beam ! Combined flux in latest and established models = 0.0261459 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0261459 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=0.039859Jy sigma=0.773049 ! Fit after self-cal, rms=0.038514Jy sigma=0.742660 ! Inverting map ! Added new window around map position (0, -3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00721433 Jy ! Component: 100 - total flux cleaned = 0.0119672 Jy ! Total flux subtracted in 100 components = 0.0119672 Jy ! Clean residual min=-0.002529 max=0.003986 Jy/beam ! Clean residual mean=0.000004 rms=0.000770 Jy/beam ! Combined flux in latest and established models = 0.0381131 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 29 components and 0.0381131 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=0.036639Jy sigma=0.702138 ! Fit after self-cal, rms=0.036497Jy sigma=0.699496 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00433393 Jy ! Component: 100 - total flux cleaned = 0.00716319 Jy ! Total flux subtracted in 100 components = 0.00716319 Jy ! Clean residual min=-0.002350 max=0.002878 Jy/beam ! Clean residual mean=0.000002 rms=0.000658 Jy/beam ! Combined flux in latest and established models = 0.0452763 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 34 components and 0.0452763 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=0.035816Jy sigma=0.684634 ! Fit after self-cal, rms=0.035754Jy sigma=0.683434 ! 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=0.8966 mas, bmaj=2.273 mas, bpa=-0.2098 degrees ! Estimated noise=0.449403 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 = 0.00327647 Jy ! Component: 100 - total flux cleaned = 0.00515569 Jy ! Component: 150 - total flux cleaned = 0.00644297 Jy ! Component: 200 - total flux cleaned = 0.00733662 Jy ! Total flux subtracted in 200 components = 0.00733662 Jy ! Clean residual min=-0.002194 max=0.001894 Jy/beam ! Clean residual mean=0.000000 rms=0.000477 Jy/beam ! Combined flux in latest and established models = 0.052613 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 47 components and 0.052613 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=0.035427Jy sigma=0.676453 ! Fit after self-cal, rms=0.035394Jy sigma=0.675785 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8966 x 2.273 at -0.2098 degrees (North through East) ! Clean map min=-0.0018745 max=0.024881 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.94 HN 1.19 KP 1.01 ! LA 0.88 MK 1.00 NL 0.90 OV 1.31 ! PT 0.91 SC 0.88 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.96 HN 1.10 KP 1.06 ! LA 0.98 MK 1.03 NL 0.81 OV 1.00 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 1.15 HN 0.99 KP 0.99 ! LA 1.01 MK 0.88 NL 0.79 OV 1.19 ! PT 0.97 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HN 0.97 KP 0.97 ! LA 0.95 MK 1.08 NL 0.96 OV 1.07 ! PT 1.10 SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.01 HN 1.07 KP 0.94 ! LA 0.97 MK 0.93 NL 0.88 OV 1.16 ! PT 0.96 SC 1.11 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.03 HN 1.09 KP 1.08 ! LA 0.93 MK 1.20 NL 0.85 OV 1.14 ! PT 0.88 SC 0.89 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.08 HN 1.04 KP 0.85 ! LA 1.02 MK 0.96 NL 0.84 OV 1.04 ! PT 0.97 SC 1.10 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.06 HN 1.02 KP 0.99 ! LA 1.00 MK 1.01 NL 0.81 OV 1.10 ! PT 0.96 SC 0.89 ! ! ! Fit before self-cal, rms=0.035394Jy sigma=0.675785 ! Fit after self-cal, rms=0.035370Jy sigma=0.669714 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8987 mas, bmaj=2.272 mas, bpa=-0.1183 degrees ! Estimated noise=0.444481 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 = 0.000504733 Jy ! Component: 100 - total flux cleaned = 0.000529778 Jy ! Component: 150 - total flux cleaned = 0.00051046 Jy ! Component: 200 - total flux cleaned = 0.000478836 Jy ! Total flux subtracted in 200 components = 0.000478836 Jy ! Clean residual min=-0.001560 max=0.001479 Jy/beam ! Clean residual mean=-0.000001 rms=0.000375 Jy/beam ! Combined flux in latest and established models = 0.0530918 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 56 components and 0.0530918 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=0.035343Jy sigma=0.668957 ! Fit after self-cal, rms=0.035379Jy sigma=0.668451 ! 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=0.035379Jy sigma=0.668451 ! Fit after self-cal, rms=0.035574Jy sigma=0.668399 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9 mas, bmaj=2.272 mas, bpa=-0.0003038 degrees ! Estimated noise=0.444822 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000297901 Jy ! Component: 100 - total flux cleaned = 0.000329593 Jy ! Component: 150 - total flux cleaned = 0.00029009 Jy ! Component: 200 - total flux cleaned = 0.000278367 Jy ! Total flux subtracted in 200 components = 0.000278367 Jy ! Clean residual min=-0.001573 max=0.001481 Jy/beam ! Clean residual mean=-0.000001 rms=0.000368 Jy/beam ! Combined flux in latest and established models = 0.0533702 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 56 components and 0.0533702 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=0.035565Jy sigma=0.668051 ! Fit after self-cal, rms=0.035566Jy sigma=0.667994 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 = 6.51942e-05 Jy ! Component: 100 - total flux cleaned = 5.34896e-05 Jy ! Component: 150 - total flux cleaned = 3.35119e-05 Jy ! Component: 200 - total flux cleaned = 1.56618e-05 Jy ! Total flux subtracted in 200 components = 1.56618e-05 Jy ! Clean residual min=-0.001554 max=0.001478 Jy/beam ! Clean residual mean=-0.000001 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.0533858 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 59 components and 0.0533858 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=0.035561Jy sigma=0.667786 ! Fit after self-cal, rms=0.035556Jy sigma=0.667747 ! 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=0.035556Jy sigma=0.667747 ! Fit after self-cal, rms=0.035593Jy sigma=0.667737 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9008 mas, bmaj=2.272 mas, bpa=0.04657 degrees ! Estimated noise=0.444637 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.15195e-06 Jy ! Component: 100 - total flux cleaned = 5.29096e-06 Jy ! Component: 150 - total flux cleaned = -3.34297e-06 Jy ! Component: 200 - total flux cleaned = -3.64044e-06 Jy ! Total flux subtracted in 200 components = -3.64044e-06 Jy ! Clean residual min=-0.001525 max=0.001481 Jy/beam ! Clean residual mean=-0.000001 rms=0.000361 Jy/beam ! Combined flux in latest and established models = 0.0533822 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 62 components and 0.0533822 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=0.035590Jy sigma=0.667577 ! Fit after self-cal, rms=0.035587Jy sigma=0.667542 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 = -6.08354e-06 Jy ! Component: 100 - total flux cleaned = 1.11109e-05 Jy ! Component: 150 - total flux cleaned = 1.10705e-05 Jy ! Component: 200 - total flux cleaned = 1.70001e-05 Jy ! Total flux subtracted in 200 components = 1.70001e-05 Jy ! Clean residual min=-0.001508 max=0.001478 Jy/beam ! Clean residual mean=-0.000001 rms=0.000358 Jy/beam ! Combined flux in latest and established models = 0.0533992 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 64 components and 0.0533992 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=0.035586Jy sigma=0.667428 ! Fit after self-cal, rms=0.035582Jy sigma=0.667401 ! 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=0.035582Jy sigma=0.667401 ! Fit after self-cal, rms=0.035566Jy sigma=0.667395 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.086 mas, bmaj=3.917 mas, bpa=4.768 degrees ! Estimated noise=0.561284 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.27594e-05 Jy ! Component: 100 - total flux cleaned = -5.84449e-07 Jy ! Component: 150 - total flux cleaned = -2.38006e-05 Jy ! Component: 200 - total flux cleaned = -3.52672e-05 Jy ! Total flux subtracted in 200 components = -3.52672e-05 Jy ! Clean residual min=-0.001498 max=0.001930 Jy/beam ! Clean residual mean=-0.000001 rms=0.000427 Jy/beam ! Combined flux in latest and established models = 0.0533639 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 70 components and 0.0533639 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=0.035567Jy sigma=0.667426 ! Fit after self-cal, rms=0.035564Jy sigma=0.667365 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 (-14, 46). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00120344 Jy ! Component: 100 - total flux cleaned = 0.00142013 Jy ! Component: 150 - total flux cleaned = 0.00148974 Jy ! Component: 200 - total flux cleaned = 0.00162899 Jy ! Total flux subtracted in 200 components = 0.00162899 Jy ! Clean residual min=-0.001311 max=0.001293 Jy/beam ! Clean residual mean=-0.000001 rms=0.000328 Jy/beam ! Combined flux in latest and established models = 0.0549929 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 94 components and 0.0549929 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=0.035504Jy sigma=0.665813 ! Fit after self-cal, rms=0.035492Jy sigma=0.665643 ! 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=0.9017 mas, bmaj=2.272 mas, bpa=0.1525 degrees ! Estimated noise=0.443851 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9017 x 2.272 at 0.1525 degrees (North through East) ! Clean map min=-0.001293 max=0.024438 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=0.758 mas, bmaj=1.969 mas, bpa=-0.5363 degrees ! Estimated noise=0.68199 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.021743 Jy ! Component: 100 - total flux cleaned = 0.0313107 Jy ! Component: 150 - total flux cleaned = 0.0371062 Jy ! Component: 200 - total flux cleaned = 0.0411284 Jy ! Total flux subtracted in 200 components = 0.0411284 Jy ! Clean residual min=-0.002477 max=0.002978 Jy/beam ! Clean residual mean=0.000003 rms=0.000664 Jy/beam ! Combined flux in latest and established models = 0.0411284 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.0411284 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9017 mas, bmaj=2.272 mas, bpa=0.1525 degrees ! Estimated noise=0.443851 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 = 0.00397374 Jy ! Component: 100 - total flux cleaned = 0.00642179 Jy ! Component: 150 - total flux cleaned = 0.00775075 Jy ! Component: 200 - total flux cleaned = 0.00839631 Jy ! Total flux subtracted in 200 components = 0.00839631 Jy ! Clean residual min=-0.001592 max=0.001485 Jy/beam ! Clean residual mean=0.000001 rms=0.000388 Jy/beam ! Combined flux in latest and established models = 0.0495247 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 66 components and 0.0495247 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=2.086 mas, bmaj=3.917 mas, bpa=4.768 degrees ! Estimated noise=0.561284 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00200061 Jy ! Component: 100 - total flux cleaned = 0.00273438 Jy ! Component: 150 - total flux cleaned = 0.00309935 Jy ! Component: 200 - total flux cleaned = 0.00341379 Jy ! Total flux subtracted in 200 components = 0.00341379 Jy ! Clean residual min=-0.001506 max=0.001206 Jy/beam ! Clean residual mean=-0.000000 rms=0.000360 Jy/beam ! Combined flux in latest and established models = 0.0529385 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 = 0.000217259 Jy ! Component: 100 - total flux cleaned = 0.000460889 Jy ! Component: 150 - total flux cleaned = 0.000629786 Jy ! Component: 200 - total flux cleaned = 0.000845638 Jy ! Total flux subtracted in 200 components = 0.000845638 Jy ! Clean residual min=-0.001344 max=0.001259 Jy/beam ! Clean residual mean=-0.000000 rms=0.000327 Jy/beam ! Combined flux in latest and established models = 0.0537841 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 104 components and 0.0537841 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9017 mas, bmaj=2.272 mas, bpa=0.1525 degrees ! Estimated noise=0.443851 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000254291 Jy ! Component: 100 - total flux cleaned = 0.000254643 Jy ! Component: 150 - total flux cleaned = 0.00030989 Jy ! Component: 200 - total flux cleaned = 0.000407554 Jy ! Total flux subtracted in 200 components = 0.000407554 Jy ! Clean residual min=-0.001310 max=0.001140 Jy/beam ! Clean residual mean=-0.000000 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.0541916 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 129 components and 0.0541916 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=0.035451Jy sigma=0.664530 ! Fit after self-cal, rms=0.035431Jy sigma=0.664214 wmodel J1820-0630_X_map.mod ! Writing 129 model components to file: J1820-0630_X_map.mod wobs J1820-0630_X_uvs.fits ! Writing UV FITS file: J1820-0630_X_uvs.fits wwins J1820-0630_X_map.win ! wwins: Wrote 3 windows to J1820-0630_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 = -0.000482563 Jy ! Component: 100 - total flux cleaned = -0.000740684 Jy ! Component: 150 - total flux cleaned = -0.000902208 Jy ! Component: 200 - total flux cleaned = -0.000997512 Jy ! Component: 250 - total flux cleaned = -0.00105153 Jy ! Component: 300 - total flux cleaned = -0.00112154 Jy ! Component: 350 - total flux cleaned = -0.00118858 Jy ! Component: 400 - total flux cleaned = -0.00126975 Jy ! Component: 450 - total flux cleaned = -0.00130119 Jy ! Component: 500 - total flux cleaned = -0.00134726 Jy ! Component: 550 - total flux cleaned = -0.00137741 Jy ! Component: 600 - total flux cleaned = -0.00140662 Jy ! Component: 650 - total flux cleaned = -0.00144877 Jy ! Component: 700 - total flux cleaned = -0.0014348 Jy ! Component: 750 - total flux cleaned = -0.00139469 Jy ! Component: 800 - total flux cleaned = -0.00139452 Jy ! Component: 850 - total flux cleaned = -0.00130464 Jy ! Component: 900 - total flux cleaned = -0.00127978 Jy ! Component: 950 - total flux cleaned = -0.00126738 Jy ! Component: 1000 - total flux cleaned = -0.00121879 Jy ! Component: 1050 - total flux cleaned = -0.00118337 Jy ! Component: 1100 - total flux cleaned = -0.00114841 Jy ! Component: 1150 - total flux cleaned = -0.00112532 Jy ! Component: 1200 - total flux cleaned = -0.00108072 Jy ! Component: 1250 - total flux cleaned = -0.00111373 Jy ! Component: 1300 - total flux cleaned = -0.00108144 Jy ! Component: 1350 - total flux cleaned = -0.00108146 Jy ! Component: 1400 - total flux cleaned = -0.00108139 Jy ! Component: 1450 - total flux cleaned = -0.00109162 Jy ! Component: 1500 - total flux cleaned = -0.00109167 Jy ! Component: 1550 - total flux cleaned = -0.00111173 Jy ! Component: 1600 - total flux cleaned = -0.00112171 Jy ! Component: 1650 - total flux cleaned = -0.00111219 Jy ! Component: 1700 - total flux cleaned = -0.00112198 Jy ! Component: 1750 - total flux cleaned = -0.00114084 Jy ! Component: 1800 - total flux cleaned = -0.0011224 Jy ! Component: 1850 - total flux cleaned = -0.00110437 Jy ! Component: 1900 - total flux cleaned = -0.00110431 Jy ! Component: 1950 - total flux cleaned = -0.00107754 Jy ! Component: 2000 - total flux cleaned = -0.00107748 Jy ! Component: 2050 - total flux cleaned = -0.00104284 Jy ! Component: 2100 - total flux cleaned = -0.00106009 Jy ! Component: 2150 - total flux cleaned = -0.00105152 Jy ! Component: 2200 - total flux cleaned = -0.00104325 Jy ! Component: 2250 - total flux cleaned = -0.00103493 Jy ! Component: 2300 - total flux cleaned = -0.00103494 Jy ! Component: 2350 - total flux cleaned = -0.00101061 Jy ! Component: 2400 - total flux cleaned = -0.0010107 Jy ! Component: 2450 - total flux cleaned = -0.00100282 Jy ! Component: 2500 - total flux cleaned = -0.000971617 Jy ! Component: 2550 - total flux cleaned = -0.000994918 Jy ! Component: 2600 - total flux cleaned = -0.00100252 Jy ! Component: 2650 - total flux cleaned = -0.000994848 Jy ! Component: 2700 - total flux cleaned = -0.00100231 Jy ! Component: 2750 - total flux cleaned = -0.00100972 Jy ! Component: 2800 - total flux cleaned = -0.00100975 Jy ! Component: 2850 - total flux cleaned = -0.00103169 Jy ! Component: 2900 - total flux cleaned = -0.00104609 Jy ! Component: 2950 - total flux cleaned = -0.00108172 Jy ! Component: 3000 - total flux cleaned = -0.00106751 Jy ! Component: 3050 - total flux cleaned = -0.00106759 Jy ! Component: 3100 - total flux cleaned = -0.00106769 Jy ! Component: 3150 - total flux cleaned = -0.00109533 Jy ! Component: 3200 - total flux cleaned = -0.00109528 Jy ! Component: 3250 - total flux cleaned = -0.00110206 Jy ! Component: 3300 - total flux cleaned = -0.00109532 Jy ! Component: 3350 - total flux cleaned = -0.00110202 Jy ! Component: 3400 - total flux cleaned = -0.00110864 Jy ! Component: 3450 - total flux cleaned = -0.00108898 Jy ! Component: 3500 - total flux cleaned = -0.00109551 Jy ! Component: 3550 - total flux cleaned = -0.00112136 Jy ! Component: 3600 - total flux cleaned = -0.00108924 Jy ! Component: 3650 - total flux cleaned = -0.00111472 Jy ! Component: 3700 - total flux cleaned = -0.00109575 Jy ! Component: 3750 - total flux cleaned = -0.00108951 Jy ! Component: 3800 - total flux cleaned = -0.00109579 Jy ! Component: 3850 - total flux cleaned = -0.00110198 Jy ! Component: 3900 - total flux cleaned = -0.00110196 Jy ! Component: 3950 - total flux cleaned = -0.00109581 Jy ! Component: 4000 - total flux cleaned = -0.00109579 Jy ! Component: 4050 - total flux cleaned = -0.00108971 Jy ! Total flux subtracted in 4096 components = -0.00107165 Jy ! Clean residual min=-0.000401 max=0.000349 Jy/beam ! Clean residual mean=-0.000000 rms=0.000102 Jy/beam ! Combined flux in latest and established models = 0.05312 Jy keep ! Adding 297 model components to the UV plane model. ! The established model now contains 426 components and 0.05312 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1820-0630_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9017 x 2.272 at 0.1525 degrees (North through East) ! Clean map min=-0.0008971 max=0.024948 Jy/beam ! Writing clean map to FITS file: .//J1820-0630_X_map.fits wmodel .//J1820-0630_X_map.mod ! Writing 426 model components to file: .//J1820-0630_X_map.mod wobs .//J1820-0630_X_uvs.fits ! Writing UV FITS file: .//J1820-0630_X_uvs.fits wwins .//J1820-0630_X_map.win ! wwins: Wrote 4 windows to .//J1820-0630_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0249477 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000101075 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.21544 1.21544 2.43088 4.86176 9.72352 19.447 38.8941 77.7881 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.024 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 246.824 quit ! Quitting program ! Log file .//J1820-0630_X_dfm.log closed on Mon Jan 20 18:45:51 2020