! Started logfile: /vlbi/bp222/maps//J0256-3315_X_dfm.log on Thu Sep 27 10:42:37 2018 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/bp222/maps//J0256-3315_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J0256-3315_X_uva.fits ! AN table 1: 23 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.976708 visibilities/baseline/integration-bin. ! Found source: J0256-3315 ! ! 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 7548 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 J0256-3315_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. ! ! Correcting IF 9. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.023245Jy sigma=11.465767 ! Fit after self-cal, rms=0.813270Jy sigma=8.918986 ! 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=0.8972 mas, bmaj=3.927 mas, bpa=-6.161 degrees ! Estimated noise=1.52722 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 = 0.152862 Jy ! Component: 100 - total flux cleaned = 0.191099 Jy ! Total flux subtracted in 100 components = 0.191099 Jy ! Clean residual min=-0.012510 max=0.018765 Jy/beam ! Clean residual mean=0.000094 rms=0.003831 Jy/beam ! Combined flux in latest and established models = 0.191099 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.191099 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=0.098096Jy sigma=0.954114 ! Fit after self-cal, rms=0.098073Jy sigma=0.953935 ! 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=1.113 mas, bmaj=4.558 mas, bpa=-6.242 degrees ! Estimated noise=0.765662 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 = 0.0193683 Jy ! Component: 100 - total flux cleaned = 0.0274785 Jy ! Component: 150 - total flux cleaned = 0.0315573 Jy ! Component: 200 - total flux cleaned = 0.0323583 Jy ! Total flux subtracted in 200 components = 0.0323583 Jy ! Clean residual min=-0.009207 max=0.008318 Jy/beam ! Clean residual mean=0.000074 rms=0.002321 Jy/beam ! Combined flux in latest and established models = 0.223458 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 36 components and 0.223458 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=0.095951Jy sigma=0.895655 ! Fit after self-cal, rms=0.095939Jy sigma=0.895485 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.113 x 4.558 at -6.242 degrees (North through East) ! Clean map min=-0.0090672 max=0.19924 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.04 KP 0.92 LA 0.89 ! NL 1.04 OV 1.11 PT 1.10 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 HN 1.06 KP 0.99 LA 0.92 ! NL 1.08 OV 1.02 PT 1.09 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.99 KP 0.99 LA 0.95 ! NL 1.10 OV 1.07 PT 1.07 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.04 KP 0.97 LA 0.89 ! NL 1.15 OV 1.05 PT 1.08 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 HN 1.03 KP 0.96 LA 0.88 ! NL 1.05 OV 1.14 PT 1.05 SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 1.07 KP 0.97 LA 0.91 ! NL 1.07 OV 1.06 PT 1.02 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 1.12 KP 1.01 LA 0.89 ! NL 1.07 OV 1.06 PT 1.05 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 1.00 KP 0.97 LA 0.91 ! NL 1.01 OV 1.06 PT 1.07 SC 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 1.09 KP 0.98 LA 0.87 ! NL 1.09 OV 1.06 PT 1.09 SC 1.02 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 1.11 KP 0.99 LA 0.90 ! NL 1.06 OV 1.05 PT 1.00 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 1.02 KP 0.97 LA 0.90 ! NL 1.01 OV 1.04 PT 1.06 SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 1.00 KP 0.94 LA 0.91 ! NL 1.02 OV 1.09 PT 1.04 SC 0.99 ! ! ! Fit before self-cal, rms=0.095939Jy sigma=0.895485 ! Fit after self-cal, rms=0.098463Jy sigma=0.873873 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.116 mas, bmaj=4.61 mas, bpa=-5.901 degrees ! Estimated noise=0.763068 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 = -0.00293724 Jy ! Component: 100 - total flux cleaned = -0.00314671 Jy ! Component: 150 - total flux cleaned = -0.00320267 Jy ! Component: 200 - total flux cleaned = -0.00329381 Jy ! Total flux subtracted in 200 components = -0.00329381 Jy ! Clean residual min=-0.004248 max=0.004355 Jy/beam ! Clean residual mean=0.000028 rms=0.001076 Jy/beam ! Combined flux in latest and established models = 0.220164 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 50 components and 0.220164 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=0.098273Jy sigma=0.873158 ! Fit after self-cal, rms=0.098521Jy sigma=0.872928 ! 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=0.098521Jy sigma=0.872928 ! Fit after self-cal, rms=0.099627Jy sigma=0.872500 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.118 mas, bmaj=4.636 mas, bpa=-5.81 degrees ! Estimated noise=0.761892 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00218402 Jy ! Component: 100 - total flux cleaned = -0.00257116 Jy ! Component: 150 - total flux cleaned = -0.00272249 Jy ! Component: 200 - total flux cleaned = -0.00275748 Jy ! Total flux subtracted in 200 components = -0.00275748 Jy ! Clean residual min=-0.003886 max=0.004368 Jy/beam ! Clean residual mean=0.000027 rms=0.001022 Jy/beam ! Combined flux in latest and established models = 0.217406 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 56 components and 0.217406 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=0.099523Jy sigma=0.872205 ! Fit after self-cal, rms=0.099554Jy sigma=0.872196 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 (-6.8, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00375479 Jy ! Component: 100 - total flux cleaned = 0.0047721 Jy ! Component: 150 - total flux cleaned = 0.00488774 Jy ! Component: 200 - total flux cleaned = 0.00509951 Jy ! Total flux subtracted in 200 components = 0.00509951 Jy ! Clean residual min=-0.003118 max=0.003093 Jy/beam ! Clean residual mean=0.000005 rms=0.000853 Jy/beam ! Combined flux in latest and established models = 0.222506 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 79 components and 0.222506 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=0.099328Jy sigma=0.870515 ! Fit after self-cal, rms=0.099358Jy sigma=0.870469 ! 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=0.099358Jy sigma=0.870469 ! Fit after self-cal, rms=0.100228Jy sigma=0.870029 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.12 mas, bmaj=4.657 mas, bpa=-5.716 degrees ! Estimated noise=0.759303 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00111211 Jy ! Component: 100 - total flux cleaned = -0.00111253 Jy ! Component: 150 - total flux cleaned = -0.00106591 Jy ! Component: 200 - total flux cleaned = -0.00110869 Jy ! Total flux subtracted in 200 components = -0.00110869 Jy ! Clean residual min=-0.002909 max=0.003036 Jy/beam ! Clean residual mean=-0.000004 rms=0.000778 Jy/beam ! Combined flux in latest and established models = 0.221397 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 95 components and 0.221397 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=0.100118Jy sigma=0.869724 ! Fit after self-cal, rms=0.100159Jy sigma=0.869708 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 = -4.37197e-05 Jy ! Component: 100 - total flux cleaned = -4.34028e-05 Jy ! Component: 150 - total flux cleaned = -4.45455e-05 Jy ! Component: 200 - total flux cleaned = -1.29338e-05 Jy ! Total flux subtracted in 200 components = -1.29338e-05 Jy ! Clean residual min=-0.002930 max=0.002957 Jy/beam ! Clean residual mean=-0.000002 rms=0.000771 Jy/beam ! Combined flux in latest and established models = 0.221384 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 105 components and 0.221384 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=0.100112Jy sigma=0.869614 ! Fit after self-cal, rms=0.100122Jy sigma=0.869611 ! 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=0.100122Jy sigma=0.869611 ! Fit after self-cal, rms=0.100836Jy sigma=0.869401 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.355 mas, bmaj=6.602 mas, bpa=-14.53 degrees ! Estimated noise=0.852424 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00109104 Jy ! Component: 100 - total flux cleaned = -0.00112064 Jy ! Component: 150 - total flux cleaned = -0.00109496 Jy ! Component: 200 - total flux cleaned = -0.00109597 Jy ! Total flux subtracted in 200 components = -0.00109597 Jy ! Clean residual min=-0.002893 max=0.002537 Jy/beam ! Clean residual mean=-0.000009 rms=0.000822 Jy/beam ! Combined flux in latest and established models = 0.220288 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 118 components and 0.220288 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=0.100792Jy sigma=0.869339 ! Fit after self-cal, rms=0.100818Jy sigma=0.869328 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 = -4.5522e-07 Jy ! Component: 100 - total flux cleaned = 5.11548e-05 Jy ! Component: 150 - total flux cleaned = 5.13893e-05 Jy ! Component: 200 - total flux cleaned = 7.50394e-05 Jy ! Total flux subtracted in 200 components = 7.50394e-05 Jy ! Clean residual min=-0.002858 max=0.002510 Jy/beam ! Clean residual mean=-0.000008 rms=0.000818 Jy/beam ! Combined flux in latest and established models = 0.220363 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 125 components and 0.220363 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=0.100798Jy sigma=0.869319 ! Fit after self-cal, rms=0.100804Jy sigma=0.869313 ! 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=1.121 mas, bmaj=4.673 mas, bpa=-5.639 degrees ! Estimated noise=0.757628 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.121 x 4.673 at -5.639 degrees (North through East) ! Clean map min=-0.0043026 max=0.19842 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=0.8969 mas, bmaj=4.013 mas, bpa=-5.532 degrees ! Estimated noise=1.5308 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.153043 Jy ! Component: 100 - total flux cleaned = 0.187704 Jy ! Component: 150 - total flux cleaned = 0.20094 Jy ! Component: 200 - total flux cleaned = 0.206339 Jy ! Total flux subtracted in 200 components = 0.206339 Jy ! Clean residual min=-0.006432 max=0.006070 Jy/beam ! Clean residual mean=0.000024 rms=0.001629 Jy/beam ! Combined flux in latest and established models = 0.206339 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 26 model components to the UV plane model. ! The established model now contains 26 components and 0.206339 Jy ! Inverting map and beam ! Estimated beam: bmin=1.121 mas, bmaj=4.673 mas, bpa=-5.639 degrees ! Estimated noise=0.757628 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (3.6, -6.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00557005 Jy ! Component: 100 - total flux cleaned = 0.00779621 Jy ! Component: 150 - total flux cleaned = 0.00939808 Jy ! Component: 200 - total flux cleaned = 0.010091 Jy ! Total flux subtracted in 200 components = 0.010091 Jy ! Clean residual min=-0.003092 max=0.002922 Jy/beam ! Clean residual mean=0.000024 rms=0.000820 Jy/beam ! Combined flux in latest and established models = 0.21643 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 62 components and 0.21643 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=2.355 mas, bmaj=6.602 mas, bpa=-14.53 degrees ! Estimated noise=0.852424 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00228604 Jy ! Component: 100 - total flux cleaned = 0.00259955 Jy ! Component: 150 - total flux cleaned = 0.00254961 Jy ! Component: 200 - total flux cleaned = 0.0024546 Jy ! Total flux subtracted in 200 components = 0.0024546 Jy ! Clean residual min=-0.003087 max=0.002556 Jy/beam ! Clean residual mean=0.000010 rms=0.000815 Jy/beam ! Combined flux in latest and established models = 0.218884 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 = -8.61132e-05 Jy ! Component: 100 - total flux cleaned = -0.000126594 Jy ! Component: 150 - total flux cleaned = -0.00020453 Jy ! Component: 200 - total flux cleaned = -0.000275253 Jy ! Total flux subtracted in 200 components = -0.000275253 Jy ! Clean residual min=-0.002891 max=0.002618 Jy/beam ! Clean residual mean=0.000007 rms=0.000770 Jy/beam ! Combined flux in latest and established models = 0.218609 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 88 components and 0.218609 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.121 mas, bmaj=4.673 mas, bpa=-5.639 degrees ! Estimated noise=0.757628 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000172133 Jy ! Component: 100 - total flux cleaned = -2.31828e-05 Jy ! Component: 150 - total flux cleaned = 6.49896e-05 Jy ! Component: 200 - total flux cleaned = -3.79426e-06 Jy ! Total flux subtracted in 200 components = -3.79426e-06 Jy ! Clean residual min=-0.002783 max=0.002672 Jy/beam ! Clean residual mean=0.000005 rms=0.000675 Jy/beam ! Combined flux in latest and established models = 0.218605 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 112 components and 0.218605 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=0.100690Jy sigma=0.868895 ! Fit after self-cal, rms=0.100696Jy sigma=0.868753 wmodel J0256-3315_X_map.mod ! Writing 112 model components to file: J0256-3315_X_map.mod wobs J0256-3315_X_uvs.fits ! Writing UV FITS file: J0256-3315_X_uvs.fits wwins J0256-3315_X_map.win ! wwins: Wrote 3 windows to J0256-3315_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 = -0.000266766 Jy ! Component: 100 - total flux cleaned = -0.000141221 Jy ! Component: 150 - total flux cleaned = -6.21946e-05 Jy ! Component: 200 - total flux cleaned = -0.000170772 Jy ! Component: 250 - total flux cleaned = -0.000342999 Jy ! Component: 300 - total flux cleaned = -0.0005073 Jy ! Component: 350 - total flux cleaned = -0.000664062 Jy ! Component: 400 - total flux cleaned = -0.000815519 Jy ! Component: 450 - total flux cleaned = -0.000845594 Jy ! Component: 500 - total flux cleaned = -0.000929631 Jy ! Component: 550 - total flux cleaned = -0.000930024 Jy ! Component: 600 - total flux cleaned = -0.000904336 Jy ! Component: 650 - total flux cleaned = -0.000954488 Jy ! Component: 700 - total flux cleaned = -0.00097875 Jy ! Component: 750 - total flux cleaned = -0.000884349 Jy ! Component: 800 - total flux cleaned = -0.000838131 Jy ! Component: 850 - total flux cleaned = -0.000681025 Jy ! Component: 900 - total flux cleaned = -0.000659035 Jy ! Component: 950 - total flux cleaned = -0.000637802 Jy ! Component: 1000 - total flux cleaned = -0.000659027 Jy ! Component: 1050 - total flux cleaned = -0.00063815 Jy ! Component: 1100 - total flux cleaned = -0.000618234 Jy ! Component: 1150 - total flux cleaned = -0.000559544 Jy ! Component: 1200 - total flux cleaned = -0.000521402 Jy ! Component: 1250 - total flux cleaned = -0.000521661 Jy ! Component: 1300 - total flux cleaned = -0.000540376 Jy ! Component: 1350 - total flux cleaned = -0.000540619 Jy ! Component: 1400 - total flux cleaned = -0.000576559 Jy ! Component: 1450 - total flux cleaned = -0.000594165 Jy ! Component: 1500 - total flux cleaned = -0.000664173 Jy ! Component: 1550 - total flux cleaned = -0.000733346 Jy ! Component: 1600 - total flux cleaned = -0.000784583 Jy ! Component: 1650 - total flux cleaned = -0.000868465 Jy ! Component: 1700 - total flux cleaned = -0.000901689 Jy ! Component: 1750 - total flux cleaned = -0.000967181 Jy ! Component: 1800 - total flux cleaned = -0.000999617 Jy ! Component: 1850 - total flux cleaned = -0.00103163 Jy ! Component: 1900 - total flux cleaned = -0.00109494 Jy ! Component: 1950 - total flux cleaned = -0.00112621 Jy ! Component: 2000 - total flux cleaned = -0.00121882 Jy ! Component: 2050 - total flux cleaned = -0.00124912 Jy ! Component: 2100 - total flux cleaned = -0.00127921 Jy ! Component: 2150 - total flux cleaned = -0.00133892 Jy ! Component: 2200 - total flux cleaned = -0.00136839 Jy ! Component: 2250 - total flux cleaned = -0.00141208 Jy ! Component: 2300 - total flux cleaned = -0.00139756 Jy ! Component: 2350 - total flux cleaned = -0.00142619 Jy ! Component: 2400 - total flux cleaned = -0.00141213 Jy ! Component: 2450 - total flux cleaned = -0.00144041 Jy ! Component: 2500 - total flux cleaned = -0.00148239 Jy ! Component: 2550 - total flux cleaned = -0.00148251 Jy ! Component: 2600 - total flux cleaned = -0.00153751 Jy ! Component: 2650 - total flux cleaned = -0.00156489 Jy ! Component: 2700 - total flux cleaned = -0.00157855 Jy ! Component: 2750 - total flux cleaned = -0.00161912 Jy ! Component: 2800 - total flux cleaned = -0.00160582 Jy ! Component: 2850 - total flux cleaned = -0.00165932 Jy ! Component: 2900 - total flux cleaned = -0.00165935 Jy ! Component: 2950 - total flux cleaned = -0.00169907 Jy ! Component: 3000 - total flux cleaned = -0.00172554 Jy ! Component: 3050 - total flux cleaned = -0.00172555 Jy ! Component: 3100 - total flux cleaned = -0.00179118 Jy ! Component: 3150 - total flux cleaned = -0.00181734 Jy ! Component: 3200 - total flux cleaned = -0.0018565 Jy ! Component: 3250 - total flux cleaned = -0.00188254 Jy ! Component: 3300 - total flux cleaned = -0.00192157 Jy ! Component: 3350 - total flux cleaned = -0.00193457 Jy ! Component: 3400 - total flux cleaned = -0.00198629 Jy ! Component: 3450 - total flux cleaned = -0.00199921 Jy ! Component: 3500 - total flux cleaned = -0.00202508 Jy ! Component: 3550 - total flux cleaned = -0.0020894 Jy ! Component: 3600 - total flux cleaned = -0.00211507 Jy ! Component: 3650 - total flux cleaned = -0.00211505 Jy ! Component: 3700 - total flux cleaned = -0.00214072 Jy ! Component: 3750 - total flux cleaned = -0.00214074 Jy ! Component: 3800 - total flux cleaned = -0.00216634 Jy ! Component: 3850 - total flux cleaned = -0.00216634 Jy ! Component: 3900 - total flux cleaned = -0.00217912 Jy ! Component: 3950 - total flux cleaned = -0.00215361 Jy ! Component: 4000 - total flux cleaned = -0.00219191 Jy ! Component: 4050 - total flux cleaned = -0.00217914 Jy ! Total flux subtracted in 4096 components = -0.00217914 Jy ! Clean residual min=-0.000679 max=0.000700 Jy/beam ! Clean residual mean=0.000004 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.216426 Jy keep ! Adding 225 model components to the UV plane model. ! The established model now contains 337 components and 0.216426 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J0256-3315_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.121 x 4.673 at -5.639 degrees (North through East) ! Clean map min=-0.0029579 max=0.19415 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J0256-3315_X_map.fits wmodel /vlbi/bp222/maps//J0256-3315_X_map.mod ! Writing 337 model components to file: /vlbi/bp222/maps//J0256-3315_X_map.mod wobs /vlbi/bp222/maps//J0256-3315_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J0256-3315_X_uvs.fits wwins /vlbi/bp222/maps//J0256-3315_X_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J0256-3315_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.194155 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000210194 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.324783 0.324783 0.649566 1.29913 2.59827 5.19653 10.3931 20.7861 41.5723 83.1445 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.194 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 923.692 quit ! Quitting program ! Log file /vlbi/bp222/maps//J0256-3315_X_dfm.log closed on Thu Sep 27 10:42:41 2018