! Started logfile: /vlbi/uf001/uva//J0254+3931_X_dfm.log on Sun Jan 13 21:34:51 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//J0254+3931_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0254+3931_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.909877 visibilities/baseline/integration-bin. ! Found source: J0254+3931 ! ! 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 35376 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 J0254+3931_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 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 34 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.016478Jy sigma=23.893628 ! Fit after self-cal, rms=0.830975Jy sigma=19.531530 ! 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=0.6741 mas, bmaj=1.366 mas, bpa=-2.097 degrees ! Estimated noise=0.344598 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 = 0.126589 Jy ! Component: 100 - total flux cleaned = 0.157867 Jy ! Total flux subtracted in 100 components = 0.157867 Jy ! Clean residual min=-0.004623 max=0.012659 Jy/beam ! Clean residual mean=0.000006 rms=0.001163 Jy/beam ! Combined flux in latest and established models = 0.157867 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.157867 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=0.061357Jy sigma=1.384162 ! Fit after self-cal, rms=0.061339Jy sigma=1.383600 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0136925 Jy ! Component: 100 - total flux cleaned = 0.020981 Jy ! Total flux subtracted in 100 components = 0.020981 Jy ! Clean residual min=-0.004134 max=0.007994 Jy/beam ! Clean residual mean=0.000004 rms=0.000863 Jy/beam ! Combined flux in latest and established models = 0.178848 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.178848 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=0.057284Jy sigma=1.289057 ! Fit after self-cal, rms=0.057264Jy sigma=1.288363 ! Inverting map ! Added new window around map position (2.2, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00734981 Jy ! Component: 100 - total flux cleaned = 0.0117418 Jy ! Total flux subtracted in 100 components = 0.0117418 Jy ! Clean residual min=-0.003862 max=0.004871 Jy/beam ! Clean residual mean=0.000003 rms=0.000749 Jy/beam ! Combined flux in latest and established models = 0.19059 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 15 components and 0.19059 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=0.055964Jy sigma=1.255663 ! Fit after self-cal, rms=0.055887Jy sigma=1.253974 ! 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=0.8867 mas, bmaj=1.684 mas, bpa=-3.1 degrees ! Estimated noise=0.16197 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 = 0.00568995 Jy ! Component: 100 - total flux cleaned = 0.0091244 Jy ! Component: 150 - total flux cleaned = 0.0114437 Jy ! Component: 200 - total flux cleaned = 0.0130766 Jy ! Total flux subtracted in 200 components = 0.0130766 Jy ! Clean residual min=-0.003626 max=0.004492 Jy/beam ! Clean residual mean=0.000002 rms=0.000710 Jy/beam ! Combined flux in latest and established models = 0.203666 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 29 components and 0.203666 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=0.055258Jy sigma=1.238219 ! Fit after self-cal, rms=0.055188Jy sigma=1.236678 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8867 x 1.684 at -3.1 degrees (North through East) ! Clean map min=-0.0032363 max=0.16749 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.94 KP 1.04 ! LA 1.00 MK 1.03 NL 1.11 OV 0.91 ! PT 0.94 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 0.96 KP 1.05 ! LA 1.01 MK 1.03 NL 1.10 OV 0.93 ! PT 0.94 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.95 KP 1.02 ! LA 0.99 MK 1.04 NL 1.12 OV 0.92 ! PT 0.93 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.96 KP 1.01 ! LA 1.00 MK 1.04 NL 1.09 OV 0.92 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.95 KP 1.01 ! LA 1.01 MK 1.03 NL 1.10 OV 0.93 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.95 KP 1.03 ! LA 0.99 MK 1.05 NL 1.11 OV 0.94 ! PT 0.95 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.96 KP 1.00 ! LA 1.00 MK 1.04 NL 1.10 OV 0.93 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.95 KP 1.03 ! LA 1.00 MK 1.05 NL 1.09 OV 0.92 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.95 KP 1.01 ! LA 1.00 MK 1.04 NL 1.10 OV 0.93 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 0.95 KP 1.05 ! LA 1.01 MK 1.02 NL 1.10 OV 0.92 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.98 KP 1.04 ! LA 1.00 MK 1.01 NL 1.09 OV 0.91 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 1.00 KP 1.01 ! LA 1.02 MK 1.03 NL 1.09 OV 0.91 ! PT 0.93 SC 0.97 ! ! ! Fit before self-cal, rms=0.055188Jy sigma=1.236678 ! Fit after self-cal, rms=0.053542Jy sigma=1.199551 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8885 mas, bmaj=1.69 mas, bpa=-2.857 degrees ! Estimated noise=0.162127 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 = -0.00148679 Jy ! Component: 100 - total flux cleaned = -0.00158758 Jy ! Component: 150 - total flux cleaned = -0.00171874 Jy ! Component: 200 - total flux cleaned = -0.00179175 Jy ! Total flux subtracted in 200 components = -0.00179175 Jy ! Clean residual min=-0.001655 max=0.002062 Jy/beam ! Clean residual mean=0.000001 rms=0.000291 Jy/beam ! Combined flux in latest and established models = 0.201875 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 37 components and 0.201875 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=0.053411Jy sigma=1.196675 ! Fit after self-cal, rms=0.053420Jy sigma=1.196236 ! Inverting map ! Added new window around map position (1.2, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115337 Jy ! Component: 100 - total flux cleaned = 0.000919745 Jy ! Component: 150 - total flux cleaned = 0.000729808 Jy ! Component: 200 - total flux cleaned = 0.000593839 Jy ! Total flux subtracted in 200 components = 0.000593839 Jy ! Clean residual min=-0.001470 max=0.001337 Jy/beam ! Clean residual mean=0.000001 rms=0.000268 Jy/beam ! Combined flux in latest and established models = 0.202468 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 50 components and 0.202468 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=0.053342Jy sigma=1.194531 ! Fit after self-cal, rms=0.053336Jy sigma=1.194347 ! 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=0.053336Jy sigma=1.194347 ! Fit after self-cal, rms=0.052953Jy sigma=1.190887 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8859 mas, bmaj=1.684 mas, bpa=-2.884 degrees ! Estimated noise=0.16174 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.26681e-05 Jy ! Component: 100 - total flux cleaned = -0.00023307 Jy ! Component: 150 - total flux cleaned = -0.000424629 Jy ! Component: 200 - total flux cleaned = -0.000464034 Jy ! Total flux subtracted in 200 components = -0.000464034 Jy ! Clean residual min=-0.001077 max=0.000968 Jy/beam ! Clean residual mean=0.000000 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.202004 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 59 components and 0.202004 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=0.052918Jy sigma=1.190062 ! Fit after self-cal, rms=0.052916Jy sigma=1.189965 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 = -2.04349e-05 Jy ! Component: 100 - total flux cleaned = -5.94794e-05 Jy ! Component: 150 - total flux cleaned = -9.45135e-05 Jy ! Component: 200 - total flux cleaned = -0.000125708 Jy ! Total flux subtracted in 200 components = -0.000125708 Jy ! Clean residual min=-0.001011 max=0.000952 Jy/beam ! Clean residual mean=0.000000 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.201879 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 66 components and 0.201879 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=0.052904Jy sigma=1.189696 ! Fit after self-cal, rms=0.052904Jy sigma=1.189681 ! 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=0.052904Jy sigma=1.189681 ! Fit after self-cal, rms=0.052761Jy sigma=1.189388 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8842 mas, bmaj=1.682 mas, bpa=-2.907 degrees ! Estimated noise=0.161506 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000155601 Jy ! Component: 100 - total flux cleaned = -0.000255243 Jy ! Component: 150 - total flux cleaned = -0.000290101 Jy ! Component: 200 - total flux cleaned = -0.00030524 Jy ! Total flux subtracted in 200 components = -0.00030524 Jy ! Clean residual min=-0.000918 max=0.000898 Jy/beam ! Clean residual mean=0.000000 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.201574 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 71 components and 0.201573 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=0.052747Jy sigma=1.189068 ! Fit after self-cal, rms=0.052746Jy sigma=1.189037 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.93746e-05 Jy ! Component: 100 - total flux cleaned = -0.000104527 Jy ! Component: 150 - total flux cleaned = -0.000104834 Jy ! Component: 200 - total flux cleaned = -0.000117388 Jy ! Total flux subtracted in 200 components = -0.000117388 Jy ! Clean residual min=-0.000883 max=0.000884 Jy/beam ! Clean residual mean=0.000000 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.201456 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 74 components and 0.201456 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=0.052738Jy sigma=1.188879 ! Fit after self-cal, rms=0.052738Jy sigma=1.188868 ! 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=0.052738Jy sigma=1.188868 ! Fit after self-cal, rms=0.052673Jy sigma=1.188797 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.104 mas, bmaj=2.679 mas, bpa=-4.462 degrees ! Estimated noise=0.208729 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.66163e-05 Jy ! Component: 100 - total flux cleaned = 3.70393e-05 Jy ! Component: 150 - total flux cleaned = 5.48825e-05 Jy ! Component: 200 - total flux cleaned = 6.30842e-05 Jy ! Total flux subtracted in 200 components = 6.30842e-05 Jy ! Clean residual min=-0.000868 max=0.000889 Jy/beam ! Clean residual mean=0.000000 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.201519 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 81 components and 0.201519 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=0.052670Jy sigma=1.188756 ! Fit after self-cal, rms=0.052670Jy sigma=1.188750 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 = 6.47451e-06 Jy ! Component: 100 - total flux cleaned = 1.39014e-05 Jy ! Component: 150 - total flux cleaned = 2.04414e-05 Jy ! Component: 200 - total flux cleaned = 2.65151e-05 Jy ! Total flux subtracted in 200 components = 2.65151e-05 Jy ! Clean residual min=-0.000865 max=0.000875 Jy/beam ! Clean residual mean=0.000000 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.201546 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 89 components and 0.201546 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=0.052669Jy sigma=1.188741 ! Fit after self-cal, rms=0.052669Jy sigma=1.188734 ! 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=0.8833 mas, bmaj=1.681 mas, bpa=-2.91 degrees ! Estimated noise=0.161403 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8833 x 1.681 at -2.91 degrees (North through East) ! Clean map min=-0.00073842 max=0.16721 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=0.6722 mas, bmaj=1.364 mas, bpa=-1.955 degrees ! Estimated noise=0.341698 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.12535 Jy ! Component: 100 - total flux cleaned = 0.15729 Jy ! Component: 150 - total flux cleaned = 0.171461 Jy ! Component: 200 - total flux cleaned = 0.179632 Jy ! Total flux subtracted in 200 components = 0.179632 Jy ! Clean residual min=-0.002257 max=0.004515 Jy/beam ! Clean residual mean=0.000003 rms=0.000560 Jy/beam ! Combined flux in latest and established models = 0.179632 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.179632 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8833 mas, bmaj=1.681 mas, bpa=-2.91 degrees ! Estimated noise=0.161403 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 = 0.00827057 Jy ! Component: 100 - total flux cleaned = 0.0130409 Jy ! Component: 150 - total flux cleaned = 0.0159758 Jy ! Component: 200 - total flux cleaned = 0.0179109 Jy ! Total flux subtracted in 200 components = 0.0179109 Jy ! Clean residual min=-0.000876 max=0.001291 Jy/beam ! Clean residual mean=0.000001 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.197543 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 25 components and 0.197543 Jy ! Inverting map ! Added new window around map position (3.2, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00139414 Jy ! Component: 100 - total flux cleaned = 0.00237981 Jy ! Component: 150 - total flux cleaned = 0.00303884 Jy ! Component: 200 - total flux cleaned = 0.00342194 Jy ! Total flux subtracted in 200 components = 0.00342194 Jy ! Clean residual min=-0.000779 max=0.000815 Jy/beam ! Clean residual mean=0.000000 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.200965 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 39 components and 0.200965 Jy ! Inverting map ! Added new window around map position (-27.8, 21). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000579892 Jy ! Component: 100 - total flux cleaned = 0.00078293 Jy ! Component: 150 - total flux cleaned = 0.000928253 Jy ! Component: 200 - total flux cleaned = 0.00101127 Jy ! Total flux subtracted in 200 components = 0.00101127 Jy ! Clean residual min=-0.000780 max=0.000710 Jy/beam ! Clean residual mean=0.000000 rms=0.000182 Jy/beam ! Combined flux in latest and established models = 0.201976 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 57 components and 0.201976 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=2.104 mas, bmaj=2.679 mas, bpa=-4.462 degrees ! Estimated noise=0.208729 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000437729 Jy ! Component: 100 - total flux cleaned = 0.000557467 Jy ! Component: 150 - total flux cleaned = 0.000643963 Jy ! Component: 200 - total flux cleaned = 0.000727134 Jy ! Total flux subtracted in 200 components = 0.000727134 Jy ! Clean residual min=-0.000860 max=0.000714 Jy/beam ! Clean residual mean=0.000000 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.202703 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 = 6.57121e-05 Jy ! Component: 100 - total flux cleaned = 0.000110305 Jy ! Component: 150 - total flux cleaned = 0.000137597 Jy ! Component: 200 - total flux cleaned = 0.000150925 Jy ! Total flux subtracted in 200 components = 0.000150925 Jy ! Clean residual min=-0.000848 max=0.000706 Jy/beam ! Clean residual mean=-0.000000 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.202854 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 83 components and 0.202854 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8833 mas, bmaj=1.681 mas, bpa=-2.91 degrees ! Estimated noise=0.161403 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000152017 Jy ! Component: 100 - total flux cleaned = -0.000207425 Jy ! Component: 150 - total flux cleaned = -0.000169452 Jy ! Component: 200 - total flux cleaned = -0.000146134 Jy ! Total flux subtracted in 200 components = -0.000146134 Jy ! Clean residual min=-0.000792 max=0.000720 Jy/beam ! Clean residual mean=0.000000 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.202708 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 102 components and 0.202708 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=0.052632Jy sigma=1.187881 ! Fit after self-cal, rms=0.052628Jy sigma=1.187778 wmodel J0254+3931_X_map.mod ! Writing 102 model components to file: J0254+3931_X_map.mod wobs J0254+3931_X_uvs.fits ! Writing UV FITS file: J0254+3931_X_uvs.fits wwins J0254+3931_X_map.win ! wwins: Wrote 5 windows to J0254+3931_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 = -0.000126178 Jy ! Component: 100 - total flux cleaned = -0.000216084 Jy ! Component: 150 - total flux cleaned = -0.000302311 Jy ! Component: 200 - total flux cleaned = -0.00030239 Jy ! Component: 250 - total flux cleaned = -0.000290795 Jy ! Component: 300 - total flux cleaned = -0.000267895 Jy ! Component: 350 - total flux cleaned = -0.000290686 Jy ! Component: 400 - total flux cleaned = -0.000290732 Jy ! Component: 450 - total flux cleaned = -0.000279752 Jy ! Component: 500 - total flux cleaned = -0.000258284 Jy ! Component: 550 - total flux cleaned = -0.00025827 Jy ! Component: 600 - total flux cleaned = -0.000237131 Jy ! Component: 650 - total flux cleaned = -0.000226729 Jy ! Component: 700 - total flux cleaned = -0.00023686 Jy ! Component: 750 - total flux cleaned = -0.000206337 Jy ! Component: 800 - total flux cleaned = -0.000176482 Jy ! Component: 850 - total flux cleaned = -0.000146816 Jy ! Component: 900 - total flux cleaned = -0.000166477 Jy ! Component: 950 - total flux cleaned = -0.000156658 Jy ! Component: 1000 - total flux cleaned = -0.000137453 Jy ! Component: 1050 - total flux cleaned = -0.00012804 Jy ! Component: 1100 - total flux cleaned = -0.00012804 Jy ! Component: 1150 - total flux cleaned = -8.16527e-05 Jy ! Component: 1200 - total flux cleaned = -4.49509e-05 Jy ! Component: 1250 - total flux cleaned = -2.68165e-05 Jy ! Component: 1300 - total flux cleaned = -2.69579e-05 Jy ! Component: 1350 - total flux cleaned = 8.87002e-06 Jy ! Component: 1400 - total flux cleaned = -6.79397e-08 Jy ! Component: 1450 - total flux cleaned = 5.29107e-05 Jy ! Component: 1500 - total flux cleaned = 7.90863e-05 Jy ! Component: 1550 - total flux cleaned = 8.78461e-05 Jy ! Component: 1600 - total flux cleaned = 8.78557e-05 Jy ! Component: 1650 - total flux cleaned = 0.000122031 Jy ! Component: 1700 - total flux cleaned = 0.000147557 Jy ! Component: 1750 - total flux cleaned = 0.000181177 Jy ! Component: 1800 - total flux cleaned = 0.000214606 Jy ! Component: 1850 - total flux cleaned = 0.00020634 Jy ! Component: 1900 - total flux cleaned = 0.000255745 Jy ! Component: 1950 - total flux cleaned = 0.000288466 Jy ! Component: 2000 - total flux cleaned = 0.000329017 Jy ! Component: 2050 - total flux cleaned = 0.000337098 Jy ! Component: 2100 - total flux cleaned = 0.000361165 Jy ! Component: 2150 - total flux cleaned = 0.000401007 Jy ! Component: 2200 - total flux cleaned = 0.000432691 Jy ! Component: 2250 - total flux cleaned = 0.000424797 Jy ! Component: 2300 - total flux cleaned = 0.000463885 Jy ! Component: 2350 - total flux cleaned = 0.000463976 Jy ! Component: 2400 - total flux cleaned = 0.000487195 Jy ! Component: 2450 - total flux cleaned = 0.000517967 Jy ! Component: 2500 - total flux cleaned = 0.000487413 Jy ! Component: 2550 - total flux cleaned = 0.000540668 Jy ! Component: 2600 - total flux cleaned = 0.00057082 Jy ! Component: 2650 - total flux cleaned = 0.000608458 Jy ! Component: 2700 - total flux cleaned = 0.000630908 Jy ! Component: 2750 - total flux cleaned = 0.000682987 Jy ! Component: 2800 - total flux cleaned = 0.000690351 Jy ! Component: 2850 - total flux cleaned = 0.000697666 Jy ! Component: 2900 - total flux cleaned = 0.000690374 Jy ! Component: 2950 - total flux cleaned = 0.000763236 Jy ! Component: 3000 - total flux cleaned = 0.000777765 Jy ! Component: 3050 - total flux cleaned = 0.000777726 Jy ! Component: 3100 - total flux cleaned = 0.000792101 Jy ! Component: 3150 - total flux cleaned = 0.000856364 Jy ! Component: 3200 - total flux cleaned = 0.000849268 Jy ! Component: 3250 - total flux cleaned = 0.000891711 Jy ! Component: 3300 - total flux cleaned = 0.000891708 Jy ! Component: 3350 - total flux cleaned = 0.00091266 Jy ! Component: 3400 - total flux cleaned = 0.00095444 Jy ! Component: 3450 - total flux cleaned = 0.000975279 Jy ! Component: 3500 - total flux cleaned = 0.000975293 Jy ! Component: 3550 - total flux cleaned = 0.00102342 Jy ! Component: 3600 - total flux cleaned = 0.0010029 Jy ! Component: 3650 - total flux cleaned = 0.00105063 Jy ! Component: 3700 - total flux cleaned = 0.00104386 Jy ! Component: 3750 - total flux cleaned = 0.00107084 Jy ! Component: 3800 - total flux cleaned = 0.00106408 Jy ! Component: 3850 - total flux cleaned = 0.00109085 Jy ! Component: 3900 - total flux cleaned = 0.00111751 Jy ! Component: 3950 - total flux cleaned = 0.00111752 Jy ! Component: 4000 - total flux cleaned = 0.00115043 Jy ! Component: 4050 - total flux cleaned = 0.00118982 Jy ! Total flux subtracted in 4096 components = 0.00121601 Jy ! Clean residual min=-0.000371 max=0.000355 Jy/beam ! Clean residual mean=0.000000 rms=0.000113 Jy/beam ! Combined flux in latest and established models = 0.203924 Jy keep ! Adding 321 model components to the UV plane model. ! The established model now contains 423 components and 0.203924 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0254+3931_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8833 x 1.681 at -2.91 degrees (North through East) ! Clean map min=-0.00058353 max=0.16726 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0254+3931_X_map.fits wmodel /vlbi/uf001/uva//J0254+3931_X_map.mod ! Writing 423 model components to file: /vlbi/uf001/uva//J0254+3931_X_map.mod wobs /vlbi/uf001/uva//J0254+3931_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0254+3931_X_uvs.fits wwins /vlbi/uf001/uva//J0254+3931_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J0254+3931_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.16726 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000113021 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.202716 0.202716 0.405432 0.810865 1.62173 3.24346 6.48692 12.9738 25.9477 51.8953 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.167 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1479.9 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0254+3931_X_dfm.log closed on Sun Jan 13 21:34:57 2019