! Started logfile: /vlbi/uf001/uva//J1838-1833_X_dfm.log on Mon Jan 14 04:44:36 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J1838-1833_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1838-1833_X_uva.fits ! AN table 1: 48 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.884722 visibilities/baseline/integration-bin. ! Found source: J1838-1833 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 22932 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1838-1833_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 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 26 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.014864Jy sigma=20.567732 ! Fit after self-cal, rms=0.867381Jy sigma=17.433707 ! 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=0.6422 mas, bmaj=1.584 mas, bpa=-2.34 degrees ! Estimated noise=0.520734 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 = 0.105203 Jy ! Component: 100 - total flux cleaned = 0.128169 Jy ! Total flux subtracted in 100 components = 0.128169 Jy ! Clean residual min=-0.007746 max=0.007639 Jy/beam ! Clean residual mean=-0.000007 rms=0.001223 Jy/beam ! Combined flux in latest and established models = 0.128169 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.128169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.073372Jy sigma=1.312980 ! Fit after self-cal, rms=0.073352Jy sigma=1.312816 ! 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=0.8359 mas, bmaj=1.975 mas, bpa=-2.824 degrees ! Estimated noise=0.23753 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 = 0.0101194 Jy ! Component: 100 - total flux cleaned = 0.0148374 Jy ! Component: 150 - total flux cleaned = 0.0172687 Jy ! Component: 200 - total flux cleaned = 0.0185892 Jy ! Total flux subtracted in 200 components = 0.0185892 Jy ! Clean residual min=-0.005872 max=0.005577 Jy/beam ! Clean residual mean=-0.000012 rms=0.001257 Jy/beam ! Combined flux in latest and established models = 0.146758 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 0.146758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.072622Jy sigma=1.272783 ! Fit after self-cal, rms=0.072631Jy sigma=1.272680 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8359 x 1.975 at -2.824 degrees (North through East) ! Clean map min=-0.0055875 max=0.13626 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.03 HN 1.14 KP 1.06 ! LA 0.88 MK 1.02 NL 0.98 OV 0.95 ! PT 0.95 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.07 HN 1.15 KP 1.07 ! LA 0.91 MK 0.99 NL 0.98 OV 0.92 ! PT 0.96 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.06 HN 1.14 KP 1.09 ! LA 0.88 MK 1.02 NL 0.96 OV 0.93 ! PT 0.94 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.05 HN 1.12 KP 1.08 ! LA 0.86 MK 1.00 NL 0.98 OV 0.95 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.04 HN 1.12 KP 1.08 ! LA 0.85 MK 1.03 NL 0.97 OV 0.94 ! PT 0.89 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.05 HN 1.13 KP 1.06 ! LA 0.86 MK 1.00 NL 0.97 OV 0.93 ! PT 0.97 SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.05 HN 1.17 KP 1.08 ! LA 0.85 MK 0.98 NL 0.97 OV 0.93 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.05 HN 1.07 KP 1.07 ! LA 0.86 MK 1.02 NL 0.96 OV 0.95 ! PT 0.94 SC 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.02 HN 1.12 KP 1.10 ! LA 0.84 MK 1.01 NL 0.94 OV 0.93 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.05 HN 1.11 KP 1.10 ! LA 0.87 MK 1.04 NL 0.96 OV 0.91 ! PT 0.95 SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.05 HN 1.12 KP 1.08 ! LA 0.86 MK 1.02 NL 0.97 OV 0.91 ! PT 0.95 SC 0.92 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.05 HN 1.12 KP 1.11 ! LA 0.87 MK 1.00 NL 0.96 OV 0.93 ! PT 0.94 SC 0.97 ! ! ! Fit before self-cal, rms=0.072631Jy sigma=1.272680 ! Fit after self-cal, rms=0.071944Jy sigma=1.230975 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8398 mas, bmaj=1.978 mas, bpa=-2.352 degrees ! Estimated noise=0.235854 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 = -0.00144089 Jy ! Component: 100 - total flux cleaned = -0.00166914 Jy ! Component: 150 - total flux cleaned = -0.00179796 Jy ! Component: 200 - total flux cleaned = -0.00184409 Jy ! Total flux subtracted in 200 components = -0.00184409 Jy ! Clean residual min=-0.003098 max=0.003286 Jy/beam ! Clean residual mean=-0.000008 rms=0.000717 Jy/beam ! Combined flux in latest and established models = 0.144914 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 29 components and 0.144914 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.071875Jy sigma=1.230800 ! Fit after self-cal, rms=0.071985Jy sigma=1.230290 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.071985Jy sigma=1.230290 ! Fit after self-cal, rms=0.078086Jy sigma=1.211407 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8406 mas, bmaj=1.979 mas, bpa=-2.503 degrees ! Estimated noise=0.236552 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000115669 Jy ! Component: 100 - total flux cleaned = -9.74802e-05 Jy ! Component: 150 - total flux cleaned = -0.00011348 Jy ! Component: 200 - total flux cleaned = -0.000128611 Jy ! Total flux subtracted in 200 components = -0.000128611 Jy ! Clean residual min=-0.001211 max=0.001203 Jy/beam ! Clean residual mean=-0.000001 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.144785 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 31 components and 0.144785 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.078075Jy sigma=1.211279 ! Fit after self-cal, rms=0.078212Jy sigma=1.211043 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 (1.2, -17). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000680112 Jy ! Component: 100 - total flux cleaned = 0.000750645 Jy ! Component: 150 - total flux cleaned = 0.000826444 Jy ! Component: 200 - total flux cleaned = 0.000827226 Jy ! Total flux subtracted in 200 components = 0.000827226 Jy ! Clean residual min=-0.001141 max=0.001140 Jy/beam ! Clean residual mean=-0.000000 rms=0.000263 Jy/beam ! Combined flux in latest and established models = 0.145612 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 41 components and 0.145612 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.078191Jy sigma=1.210696 ! Fit after self-cal, rms=0.078185Jy sigma=1.210671 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.078185Jy sigma=1.210671 ! Fit after self-cal, rms=0.078348Jy sigma=1.210639 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8402 mas, bmaj=1.979 mas, bpa=-2.523 degrees ! Estimated noise=0.236621 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.2939e-05 Jy ! Component: 100 - total flux cleaned = 1.27516e-05 Jy ! Component: 150 - total flux cleaned = -1.54577e-05 Jy ! Component: 200 - total flux cleaned = -2.54882e-06 Jy ! Total flux subtracted in 200 components = -2.54882e-06 Jy ! Clean residual min=-0.001132 max=0.001118 Jy/beam ! Clean residual mean=-0.000000 rms=0.000258 Jy/beam ! Combined flux in latest and established models = 0.14561 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 46 components and 0.14561 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.078341Jy sigma=1.210536 ! Fit after self-cal, rms=0.078342Jy sigma=1.210531 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 = 1.62396e-05 Jy ! Component: 100 - total flux cleaned = 4.48483e-06 Jy ! Component: 150 - total flux cleaned = 5.12514e-06 Jy ! Component: 200 - total flux cleaned = 1.60304e-05 Jy ! Total flux subtracted in 200 components = 1.60304e-05 Jy ! Clean residual min=-0.001115 max=0.001108 Jy/beam ! Clean residual mean=-0.000000 rms=0.000256 Jy/beam ! Combined flux in latest and established models = 0.145626 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 48 components and 0.145626 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.078338Jy sigma=1.210474 ! Fit after self-cal, rms=0.078336Jy sigma=1.210474 ! Inverting map ! Added new window around map position (-12.4, 40.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00100873 Jy ! Component: 100 - total flux cleaned = 0.00145928 Jy ! Component: 150 - total flux cleaned = 0.00163962 Jy ! Component: 200 - total flux cleaned = 0.00176641 Jy ! Total flux subtracted in 200 components = 0.00176641 Jy ! Clean residual min=-0.001082 max=0.000980 Jy/beam ! Clean residual mean=-0.000001 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.147392 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 66 components and 0.147392 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.078322Jy sigma=1.210047 ! Fit after self-cal, rms=0.078320Jy sigma=1.210031 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.078320Jy sigma=1.210031 ! Fit after self-cal, rms=0.078359Jy sigma=1.209998 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.227 mas, bmaj=4.487 mas, bpa=4.121 degrees ! Estimated noise=0.296613 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000207384 Jy ! Component: 100 - total flux cleaned = 0.000264429 Jy ! Component: 150 - total flux cleaned = 0.000314457 Jy ! Component: 200 - total flux cleaned = 0.000365881 Jy ! Total flux subtracted in 200 components = 0.000365881 Jy ! Clean residual min=-0.001043 max=0.001064 Jy/beam ! Clean residual mean=-0.000001 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.147758 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 75 components and 0.147758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.078358Jy sigma=1.209963 ! Fit after self-cal, rms=0.078359Jy sigma=1.209957 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 = -2.82171e-05 Jy ! Component: 100 - total flux cleaned = 1.3227e-05 Jy ! Component: 150 - total flux cleaned = 3.20292e-05 Jy ! Component: 200 - total flux cleaned = 4.85608e-05 Jy ! Total flux subtracted in 200 components = 4.85608e-05 Jy ! Clean residual min=-0.001031 max=0.001053 Jy/beam ! Clean residual mean=-0.000001 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.147807 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 76 components and 0.147807 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.078359Jy sigma=1.209966 ! Fit after self-cal, rms=0.078358Jy sigma=1.209959 ! 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=0.8399 mas, bmaj=1.98 mas, bpa=-2.554 degrees ! Estimated noise=0.236442 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8399 x 1.98 at -2.554 degrees (North through East) ! Clean map min=-0.0008915 max=0.13637 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=0.6417 mas, bmaj=1.576 mas, bpa=-2.01 degrees ! Estimated noise=0.523329 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.105635 Jy ! Component: 100 - total flux cleaned = 0.128717 Jy ! Component: 150 - total flux cleaned = 0.135501 Jy ! Component: 200 - total flux cleaned = 0.13911 Jy ! Total flux subtracted in 200 components = 0.13911 Jy ! Clean residual min=-0.002652 max=0.002734 Jy/beam ! Clean residual mean=-0.000001 rms=0.000617 Jy/beam ! Combined flux in latest and established models = 0.13911 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.13911 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8399 mas, bmaj=1.98 mas, bpa=-2.554 degrees ! Estimated noise=0.236442 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 = 0.00271968 Jy ! Component: 100 - total flux cleaned = 0.00422638 Jy ! Component: 150 - total flux cleaned = 0.00532142 Jy ! Component: 200 - total flux cleaned = 0.00597167 Jy ! Total flux subtracted in 200 components = 0.00597167 Jy ! Clean residual min=-0.001112 max=0.001131 Jy/beam ! Clean residual mean=-0.000001 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.145081 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 22 components and 0.145081 Jy ! Inverting map ! Added new window around map position (-11.4, -42). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000914854 Jy ! Component: 100 - total flux cleaned = 0.00125173 Jy ! Component: 150 - total flux cleaned = 0.00149671 Jy ! Component: 200 - total flux cleaned = 0.00165789 Jy ! Total flux subtracted in 200 components = 0.00165789 Jy ! Clean residual min=-0.001013 max=0.000950 Jy/beam ! Clean residual mean=-0.000000 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.146739 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 45 components and 0.146739 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=2.227 mas, bmaj=4.487 mas, bpa=4.121 degrees ! Estimated noise=0.296613 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000377241 Jy ! Component: 100 - total flux cleaned = 0.000620923 Jy ! Component: 150 - total flux cleaned = 0.000809403 Jy ! Component: 200 - total flux cleaned = 0.000883522 Jy ! Total flux subtracted in 200 components = 0.000883522 Jy ! Clean residual min=-0.000997 max=0.000886 Jy/beam ! Clean residual mean=-0.000000 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.147623 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 = 8.38026e-05 Jy ! Component: 100 - total flux cleaned = 0.000156086 Jy ! Component: 150 - total flux cleaned = 0.000191741 Jy ! Component: 200 - total flux cleaned = 0.000217939 Jy ! Total flux subtracted in 200 components = 0.000217939 Jy ! Clean residual min=-0.000993 max=0.000899 Jy/beam ! Clean residual mean=-0.000000 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.147841 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 68 components and 0.147841 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8399 mas, bmaj=1.98 mas, bpa=-2.554 degrees ! Estimated noise=0.236442 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.02856e-05 Jy ! Component: 100 - total flux cleaned = -1.42389e-06 Jy ! Component: 150 - total flux cleaned = 2.74412e-05 Jy ! Component: 200 - total flux cleaned = 4.07045e-05 Jy ! Total flux subtracted in 200 components = 4.07045e-05 Jy ! Clean residual min=-0.000967 max=0.000959 Jy/beam ! Clean residual mean=-0.000000 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.147881 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 83 components and 0.147881 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.078350Jy sigma=1.209757 ! Fit after self-cal, rms=0.078344Jy sigma=1.209709 wmodel J1838-1833_X_map.mod ! Writing 83 model components to file: J1838-1833_X_map.mod wobs J1838-1833_X_uvs.fits ! Writing UV FITS file: J1838-1833_X_uvs.fits wwins J1838-1833_X_map.win ! wwins: Wrote 4 windows to J1838-1833_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 = 3.01208e-05 Jy ! Component: 100 - total flux cleaned = 0.000109652 Jy ! Component: 150 - total flux cleaned = 0.000140134 Jy ! Component: 200 - total flux cleaned = 0.000184797 Jy ! Component: 250 - total flux cleaned = 0.000242812 Jy ! Component: 300 - total flux cleaned = 0.000242635 Jy ! Component: 350 - total flux cleaned = 0.000228777 Jy ! Component: 400 - total flux cleaned = 0.000228847 Jy ! Component: 450 - total flux cleaned = 0.000228963 Jy ! Component: 500 - total flux cleaned = 0.000242398 Jy ! Component: 550 - total flux cleaned = 0.000281887 Jy ! Component: 600 - total flux cleaned = 0.000268907 Jy ! Component: 650 - total flux cleaned = 0.00032013 Jy ! Component: 700 - total flux cleaned = 0.000357661 Jy ! Component: 750 - total flux cleaned = 0.000282563 Jy ! Component: 800 - total flux cleaned = 0.000282753 Jy ! Component: 850 - total flux cleaned = 0.000295023 Jy ! Component: 900 - total flux cleaned = 0.000319313 Jy ! Component: 950 - total flux cleaned = 0.000307624 Jy ! Component: 1000 - total flux cleaned = 0.000342975 Jy ! Component: 1050 - total flux cleaned = 0.000343122 Jy ! Component: 1100 - total flux cleaned = 0.000343064 Jy ! Component: 1150 - total flux cleaned = 0.000331683 Jy ! Component: 1200 - total flux cleaned = 0.000331644 Jy ! Component: 1250 - total flux cleaned = 0.000297912 Jy ! Component: 1300 - total flux cleaned = 0.000297878 Jy ! Component: 1350 - total flux cleaned = 0.000253768 Jy ! Component: 1400 - total flux cleaned = 0.000199435 Jy ! Component: 1450 - total flux cleaned = 0.000242527 Jy ! Component: 1500 - total flux cleaned = 0.000167689 Jy ! Component: 1550 - total flux cleaned = 0.000104042 Jy ! Component: 1600 - total flux cleaned = 0.000104047 Jy ! Component: 1650 - total flux cleaned = 8.31614e-05 Jy ! Component: 1700 - total flux cleaned = 4.18045e-05 Jy ! Component: 1750 - total flux cleaned = 2.13872e-05 Jy ! Component: 1800 - total flux cleaned = 4.1661e-05 Jy ! Component: 1850 - total flux cleaned = 2.13354e-05 Jy ! Component: 1900 - total flux cleaned = 1.13692e-05 Jy ! Component: 1950 - total flux cleaned = 4.1104e-05 Jy ! Component: 2000 - total flux cleaned = 2.13497e-05 Jy ! Component: 2050 - total flux cleaned = 2.12554e-05 Jy ! Component: 2100 - total flux cleaned = 1.15115e-05 Jy ! Component: 2150 - total flux cleaned = -1.75297e-05 Jy ! Component: 2200 - total flux cleaned = -1.74784e-05 Jy ! Component: 2250 - total flux cleaned = -3.64367e-05 Jy ! Component: 2300 - total flux cleaned = -2.69978e-05 Jy ! Component: 2350 - total flux cleaned = -4.57521e-05 Jy ! Component: 2400 - total flux cleaned = -6.43753e-05 Jy ! Component: 2450 - total flux cleaned = -4.57674e-05 Jy ! Component: 2500 - total flux cleaned = -2.72908e-05 Jy ! Component: 2550 - total flux cleaned = -7.31073e-05 Jy ! Component: 2600 - total flux cleaned = -6.40081e-05 Jy ! Component: 2650 - total flux cleaned = -4.59414e-05 Jy ! Component: 2700 - total flux cleaned = -5.49719e-05 Jy ! Component: 2750 - total flux cleaned = -6.38604e-05 Jy ! Component: 2800 - total flux cleaned = -7.27777e-05 Jy ! Component: 2850 - total flux cleaned = -5.51066e-05 Jy ! Component: 2900 - total flux cleaned = -9.01377e-05 Jy ! Component: 2950 - total flux cleaned = -8.13004e-05 Jy ! Component: 3000 - total flux cleaned = -8.99854e-05 Jy ! Component: 3050 - total flux cleaned = -8.99031e-05 Jy ! Component: 3100 - total flux cleaned = -9.84425e-05 Jy ! Component: 3150 - total flux cleaned = -9.84338e-05 Jy ! Component: 3200 - total flux cleaned = -9.84003e-05 Jy ! Component: 3250 - total flux cleaned = -0.000115315 Jy ! Component: 3300 - total flux cleaned = -9.02771e-05 Jy ! Component: 3350 - total flux cleaned = -9.86171e-05 Jy ! Component: 3400 - total flux cleaned = -8.21063e-05 Jy ! Component: 3450 - total flux cleaned = -8.19864e-05 Jy ! Component: 3500 - total flux cleaned = -0.000106483 Jy ! Component: 3550 - total flux cleaned = -8.19812e-05 Jy ! Component: 3600 - total flux cleaned = -8.99956e-05 Jy ! Component: 3650 - total flux cleaned = -7.39543e-05 Jy ! Component: 3700 - total flux cleaned = -0.000105978 Jy ! Component: 3750 - total flux cleaned = -9.79756e-05 Jy ! Component: 3800 - total flux cleaned = -8.21289e-05 Jy ! Component: 3850 - total flux cleaned = -5.06818e-05 Jy ! Component: 3900 - total flux cleaned = -5.06984e-05 Jy ! Component: 3950 - total flux cleaned = -1.95829e-05 Jy ! Component: 4000 - total flux cleaned = -1.96266e-05 Jy ! Component: 4050 - total flux cleaned = 3.49404e-06 Jy ! Total flux subtracted in 4096 components = -4.23867e-06 Jy ! Clean residual min=-0.000523 max=0.000398 Jy/beam ! Clean residual mean=0.000000 rms=0.000129 Jy/beam ! Combined flux in latest and established models = 0.147877 Jy keep ! Adding 290 model components to the UV plane model. ! The established model now contains 373 components and 0.147877 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1838-1833_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8399 x 1.98 at -2.554 degrees (North through East) ! Clean map min=-0.00078824 max=0.13711 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1838-1833_X_map.fits wmodel /vlbi/uf001/uva//J1838-1833_X_map.mod ! Writing 373 model components to file: /vlbi/uf001/uva//J1838-1833_X_map.mod wobs /vlbi/uf001/uva//J1838-1833_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1838-1833_X_uvs.fits wwins /vlbi/uf001/uva//J1838-1833_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1838-1833_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.13711 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000128923 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.282085 0.282085 0.56417 1.12834 2.25668 4.51336 9.02672 18.0534 36.1069 72.2138 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.137 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1063.51 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1838-1833_X_dfm.log closed on Mon Jan 14 04:44:41 2019