! Started logfile: /vlbi/uf001/uva//J2253+3236_X_dfm.log on Mon Jan 14 06:27:09 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//J2253+3236_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2253+3236_X_uva.fits ! AN table 1: 42 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.952381 visibilities/baseline/integration-bin. ! Found source: J2253+3236 ! ! 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 121 lines of history. ! ! Reading 10080 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 J2253+3236_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 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.022389Jy sigma=24.517465 ! Fit after self-cal, rms=0.823379Jy sigma=19.756401 ! 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=1.293 mas, bmaj=2.89 mas, bpa=-19.64 degrees ! Estimated noise=0.577348 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 = 0.135697 Jy ! Component: 100 - total flux cleaned = 0.16718 Jy ! Total flux subtracted in 100 components = 0.16718 Jy ! Clean residual min=-0.011003 max=0.015624 Jy/beam ! Clean residual mean=0.000001 rms=0.002964 Jy/beam ! Combined flux in latest and established models = 0.16718 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.16718 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=0.065198Jy sigma=1.536138 ! Fit after self-cal, rms=0.065130Jy sigma=1.534529 ! 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=1.573 mas, bmaj=3.293 mas, bpa=-19.09 degrees ! Estimated noise=0.322648 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 (-1.6, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0181799 Jy ! Component: 100 - total flux cleaned = 0.0286189 Jy ! Component: 150 - total flux cleaned = 0.0330367 Jy ! Component: 200 - total flux cleaned = 0.0355358 Jy ! Total flux subtracted in 200 components = 0.0355358 Jy ! Clean residual min=-0.008560 max=0.011095 Jy/beam ! Clean residual mean=-0.000004 rms=0.002619 Jy/beam ! Combined flux in latest and established models = 0.202715 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 35 components and 0.202715 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=0.059374Jy sigma=1.396159 ! Fit after self-cal, rms=0.059242Jy sigma=1.392865 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.573 x 3.293 at -19.09 degrees (North through East) ! Clean map min=-0.0083058 max=0.17419 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.17 HN 1.00 KP 0.99 LA 0.98 ! NL 1.06 OV 0.87 PT 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.14 HN 1.01 KP 0.98 LA 1.00 ! NL 1.06 OV 0.91 PT 0.92 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.15 HN 0.98 KP 1.00 LA 0.99 ! NL 1.04 OV 0.89 PT 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.15 HN 0.97 KP 1.00 LA 0.96 ! NL 1.04 OV 0.88 PT 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.14 HN 1.00 KP 0.98 LA 1.01 ! NL 1.02 OV 0.90 PT 0.92 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.15 HN 0.95 KP 0.99 LA 0.97 ! NL 1.08 OV 0.90 PT 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.15 HN 0.98 KP 0.96 LA 1.00 ! NL 1.06 OV 0.89 PT 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.13 HN 0.99 KP 1.01 LA 0.98 ! NL 1.04 OV 0.90 PT 0.94 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.12 HN 1.00 KP 0.99 LA 0.98 ! NL 1.04 OV 0.93 PT 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 1.16 HN 1.01 KP 0.97 LA 0.98 ! NL 1.05 OV 0.89 PT 0.94 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 1.19 HN 0.95 KP 1.00 LA 1.00 ! NL 1.04 OV 0.90 PT 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 1.13 HN 1.01 KP 1.02 LA 1.01 ! NL 1.07 OV 0.86 PT 0.90 ! ! ! Fit before self-cal, rms=0.059242Jy sigma=1.392865 ! Fit after self-cal, rms=0.057673Jy sigma=1.319055 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.564 mas, bmaj=3.301 mas, bpa=-18.28 degrees ! Estimated noise=0.317608 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 = 0.00116134 Jy ! Component: 100 - total flux cleaned = 0.000626517 Jy ! Component: 150 - total flux cleaned = 0.000505574 Jy ! Component: 200 - total flux cleaned = 0.000392741 Jy ! Total flux subtracted in 200 components = 0.000392741 Jy ! Clean residual min=-0.006735 max=0.006839 Jy/beam ! Clean residual mean=0.000004 rms=0.001965 Jy/beam ! Combined flux in latest and established models = 0.203108 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 53 components and 0.203108 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=0.057075Jy sigma=1.306429 ! Fit after self-cal, rms=0.057123Jy sigma=1.305255 ! 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=0.057123Jy sigma=1.305255 ! Fit after self-cal, rms=0.053863Jy sigma=1.165852 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.57 mas, bmaj=3.263 mas, bpa=-18.72 degrees ! Estimated noise=0.322189 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000936182 Jy ! Component: 100 - total flux cleaned = 0.00067655 Jy ! Component: 150 - total flux cleaned = 0.000616017 Jy ! Component: 200 - total flux cleaned = 0.000462338 Jy ! Total flux subtracted in 200 components = 0.000462338 Jy ! Clean residual min=-0.002736 max=0.002448 Jy/beam ! Clean residual mean=0.000007 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.20357 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 74 components and 0.20357 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=0.053614Jy sigma=1.159360 ! Fit after self-cal, rms=0.053686Jy sigma=1.158390 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 = 0.000793164 Jy ! Component: 100 - total flux cleaned = 0.00059731 Jy ! Component: 150 - total flux cleaned = 0.00042575 Jy ! Component: 200 - total flux cleaned = 0.000272411 Jy ! Total flux subtracted in 200 components = 0.000272411 Jy ! Clean residual min=-0.002516 max=0.002421 Jy/beam ! Clean residual mean=0.000007 rms=0.000701 Jy/beam ! Combined flux in latest and established models = 0.203843 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 92 components and 0.203843 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=0.053632Jy sigma=1.157039 ! Fit after self-cal, rms=0.053630Jy sigma=1.156924 ! 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=0.053630Jy sigma=1.156924 ! Fit after self-cal, rms=0.053995Jy sigma=1.143409 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.569 mas, bmaj=3.268 mas, bpa=-18.71 degrees ! Estimated noise=0.321849 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.14365e-06 Jy ! Component: 100 - total flux cleaned = 6.7336e-05 Jy ! Component: 150 - total flux cleaned = 9.32302e-05 Jy ! Component: 200 - total flux cleaned = 0.000116083 Jy ! Total flux subtracted in 200 components = 0.000116083 Jy ! Clean residual min=-0.001570 max=0.001428 Jy/beam ! Clean residual mean=0.000001 rms=0.000375 Jy/beam ! Combined flux in latest and established models = 0.203959 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 108 components and 0.203959 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=0.053960Jy sigma=1.142819 ! Fit after self-cal, rms=0.053975Jy sigma=1.142687 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 = 1.45095e-05 Jy ! Component: 100 - total flux cleaned = 6.06649e-05 Jy ! Component: 150 - total flux cleaned = 0.000120735 Jy ! Component: 200 - total flux cleaned = 0.000175992 Jy ! Total flux subtracted in 200 components = 0.000175992 Jy ! Clean residual min=-0.001541 max=0.001403 Jy/beam ! Clean residual mean=0.000001 rms=0.000367 Jy/beam ! Combined flux in latest and established models = 0.204135 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 114 components and 0.204135 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=0.053953Jy sigma=1.142355 ! Fit after self-cal, rms=0.053951Jy sigma=1.142305 ! 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=0.053951Jy sigma=1.142305 ! Fit after self-cal, rms=0.053958Jy sigma=1.142226 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.402 mas, bmaj=3.848 mas, bpa=-21.04 degrees ! Estimated noise=0.350669 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.00281e-05 Jy ! Component: 100 - total flux cleaned = -3.12985e-06 Jy ! Component: 150 - total flux cleaned = -1.63883e-05 Jy ! Component: 200 - total flux cleaned = -1.61547e-05 Jy ! Total flux subtracted in 200 components = -1.61547e-05 Jy ! Clean residual min=-0.001588 max=0.001263 Jy/beam ! Clean residual mean=0.000001 rms=0.000371 Jy/beam ! Combined flux in latest and established models = 0.204119 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 127 components and 0.204119 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=0.053950Jy sigma=1.142061 ! Fit after self-cal, rms=0.053952Jy sigma=1.142031 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 = 4.69669e-05 Jy ! Component: 100 - total flux cleaned = 0.000106088 Jy ! Component: 150 - total flux cleaned = 0.000115965 Jy ! Component: 200 - total flux cleaned = 0.000115737 Jy ! Total flux subtracted in 200 components = 0.000115737 Jy ! Clean residual min=-0.001577 max=0.001271 Jy/beam ! Clean residual mean=0.000001 rms=0.000371 Jy/beam ! Combined flux in latest and established models = 0.204235 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 137 components and 0.204235 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=0.053946Jy sigma=1.141964 ! Fit after self-cal, rms=0.053947Jy sigma=1.141950 ! 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=1.568 mas, bmaj=3.268 mas, bpa=-18.73 degrees ! Estimated noise=0.321686 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.568 x 3.268 at -18.73 degrees (North through East) ! Clean map min=-0.0018125 max=0.17266 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=1.288 mas, bmaj=2.846 mas, bpa=-19.42 degrees ! Estimated noise=0.574173 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.13468 Jy ! Component: 100 - total flux cleaned = 0.167267 Jy ! Component: 150 - total flux cleaned = 0.181456 Jy ! Component: 200 - total flux cleaned = 0.189534 Jy ! Total flux subtracted in 200 components = 0.189534 Jy ! Clean residual min=-0.003729 max=0.004193 Jy/beam ! Clean residual mean=0.000001 rms=0.000916 Jy/beam ! Combined flux in latest and established models = 0.189534 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.189534 Jy ! Inverting map and beam ! Estimated beam: bmin=1.568 mas, bmaj=3.268 mas, bpa=-18.73 degrees ! Estimated noise=0.321686 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 = 0.00675473 Jy ! Component: 100 - total flux cleaned = 0.0105343 Jy ! Component: 150 - total flux cleaned = 0.012887 Jy ! Component: 200 - total flux cleaned = 0.013341 Jy ! Total flux subtracted in 200 components = 0.013341 Jy ! Clean residual min=-0.001736 max=0.001854 Jy/beam ! Clean residual mean=0.000001 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.202875 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 60 components and 0.202875 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=2.402 mas, bmaj=3.848 mas, bpa=-21.04 degrees ! Estimated noise=0.350669 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00116136 Jy ! Component: 100 - total flux cleaned = 0.00111848 Jy ! Component: 150 - total flux cleaned = 0.00108151 Jy ! Component: 200 - total flux cleaned = 0.00104739 Jy ! Total flux subtracted in 200 components = 0.00104739 Jy ! Clean residual min=-0.001649 max=0.001512 Jy/beam ! Clean residual mean=0.000002 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.203923 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.05295e-05 Jy ! Component: 100 - total flux cleaned = -5.57875e-05 Jy ! Component: 150 - total flux cleaned = -3.11085e-05 Jy ! Component: 200 - total flux cleaned = -3.02643e-05 Jy ! Total flux subtracted in 200 components = -3.02643e-05 Jy ! Clean residual min=-0.001617 max=0.001421 Jy/beam ! Clean residual mean=0.000001 rms=0.000397 Jy/beam ! Combined flux in latest and established models = 0.203892 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 89 components and 0.203893 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.568 mas, bmaj=3.268 mas, bpa=-18.73 degrees ! Estimated noise=0.321686 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000359762 Jy ! Component: 100 - total flux cleaned = -0.000423109 Jy ! Component: 150 - total flux cleaned = -0.000395961 Jy ! Component: 200 - total flux cleaned = -0.000396088 Jy ! Total flux subtracted in 200 components = -0.000396088 Jy ! Clean residual min=-0.001415 max=0.001455 Jy/beam ! Clean residual mean=0.000001 rms=0.000374 Jy/beam ! Combined flux in latest and established models = 0.203496 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 108 components and 0.203496 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=0.053961Jy sigma=1.142695 ! Fit after self-cal, rms=0.053952Jy sigma=1.142431 wmodel J2253+3236_X_map.mod ! Writing 108 model components to file: J2253+3236_X_map.mod wobs J2253+3236_X_uvs.fits ! Writing UV FITS file: J2253+3236_X_uvs.fits wwins J2253+3236_X_map.win ! wwins: Wrote 2 windows to J2253+3236_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 = -0.000240121 Jy ! Component: 100 - total flux cleaned = -0.000288929 Jy ! Component: 150 - total flux cleaned = -0.000266038 Jy ! Component: 200 - total flux cleaned = -0.000244183 Jy ! Component: 250 - total flux cleaned = -0.000202456 Jy ! Component: 300 - total flux cleaned = -0.000101209 Jy ! Component: 350 - total flux cleaned = -6.19463e-05 Jy ! Component: 400 - total flux cleaned = -4.21706e-05 Jy ! Component: 450 - total flux cleaned = 1.4136e-05 Jy ! Component: 500 - total flux cleaned = 6.88113e-05 Jy ! Component: 550 - total flux cleaned = 6.85569e-05 Jy ! Component: 600 - total flux cleaned = 0.000138904 Jy ! Component: 650 - total flux cleaned = 0.000156247 Jy ! Component: 700 - total flux cleaned = 0.000223854 Jy ! Component: 750 - total flux cleaned = 0.000256749 Jy ! Component: 800 - total flux cleaned = 0.000273092 Jy ! Component: 850 - total flux cleaned = 0.00036892 Jy ! Component: 900 - total flux cleaned = 0.000415598 Jy ! Component: 950 - total flux cleaned = 0.00050783 Jy ! Component: 1000 - total flux cleaned = 0.000492612 Jy ! Component: 1050 - total flux cleaned = 0.000611837 Jy ! Component: 1100 - total flux cleaned = 0.000655687 Jy ! Component: 1150 - total flux cleaned = 0.000756727 Jy ! Component: 1200 - total flux cleaned = 0.000799264 Jy ! Component: 1250 - total flux cleaned = 0.000855327 Jy ! Component: 1300 - total flux cleaned = 0.000965568 Jy ! Component: 1350 - total flux cleaned = 0.000992469 Jy ! Component: 1400 - total flux cleaned = 0.00105939 Jy ! Component: 1450 - total flux cleaned = 0.00113862 Jy ! Component: 1500 - total flux cleaned = 0.00122972 Jy ! Component: 1550 - total flux cleaned = 0.0012683 Jy ! Component: 1600 - total flux cleaned = 0.00139499 Jy ! Component: 1650 - total flux cleaned = 0.00143236 Jy ! Component: 1700 - total flux cleaned = 0.00149418 Jy ! Component: 1750 - total flux cleaned = 0.00155515 Jy ! Component: 1800 - total flux cleaned = 0.00165143 Jy ! Component: 1850 - total flux cleaned = 0.00171087 Jy ! Component: 1900 - total flux cleaned = 0.00176968 Jy ! Component: 1950 - total flux cleaned = 0.00182769 Jy ! Component: 2000 - total flux cleaned = 0.00189648 Jy ! Component: 2050 - total flux cleaned = 0.00197579 Jy ! Component: 2100 - total flux cleaned = 0.00204298 Jy ! Component: 2150 - total flux cleaned = 0.00210935 Jy ! Component: 2200 - total flux cleaned = 0.00216402 Jy ! Component: 2250 - total flux cleaned = 0.00222909 Jy ! Component: 2300 - total flux cleaned = 0.00228287 Jy ! Component: 2350 - total flux cleaned = 0.00233585 Jy ! Component: 2400 - total flux cleaned = 0.00238836 Jy ! Component: 2450 - total flux cleaned = 0.00241928 Jy ! Component: 2500 - total flux cleaned = 0.00245018 Jy ! Component: 2550 - total flux cleaned = 0.00249091 Jy ! Component: 2600 - total flux cleaned = 0.00253127 Jy ! Component: 2650 - total flux cleaned = 0.00259103 Jy ! Component: 2700 - total flux cleaned = 0.00262047 Jy ! Component: 2750 - total flux cleaned = 0.00266927 Jy ! Component: 2800 - total flux cleaned = 0.00269831 Jy ! Component: 2850 - total flux cleaned = 0.00274605 Jy ! Component: 2900 - total flux cleaned = 0.00278386 Jy ! Component: 2950 - total flux cleaned = 0.00282134 Jy ! Component: 3000 - total flux cleaned = 0.00284904 Jy ! Component: 3050 - total flux cleaned = 0.00286753 Jy ! Component: 3100 - total flux cleaned = 0.00291308 Jy ! Component: 3150 - total flux cleaned = 0.00293108 Jy ! Component: 3200 - total flux cleaned = 0.0029311 Jy ! Component: 3250 - total flux cleaned = 0.00296638 Jy ! Component: 3300 - total flux cleaned = 0.00299263 Jy ! Component: 3350 - total flux cleaned = 0.00302733 Jy ! Component: 3400 - total flux cleaned = 0.00303589 Jy ! Component: 3450 - total flux cleaned = 0.00305293 Jy ! Component: 3500 - total flux cleaned = 0.00306132 Jy ! Component: 3550 - total flux cleaned = 0.00308642 Jy ! Component: 3600 - total flux cleaned = 0.00306988 Jy ! Component: 3650 - total flux cleaned = 0.00311128 Jy ! Component: 3700 - total flux cleaned = 0.00310312 Jy ! Component: 3750 - total flux cleaned = 0.00311937 Jy ! Component: 3800 - total flux cleaned = 0.00311127 Jy ! Component: 3850 - total flux cleaned = 0.00313519 Jy ! Component: 3900 - total flux cleaned = 0.00312721 Jy ! Component: 3950 - total flux cleaned = 0.00310358 Jy ! Component: 4000 - total flux cleaned = 0.00311142 Jy ! Component: 4050 - total flux cleaned = 0.00310372 Jy ! Total flux subtracted in 4096 components = 0.00311916 Jy ! Clean residual min=-0.000451 max=0.000483 Jy/beam ! Clean residual mean=0.000000 rms=0.000139 Jy/beam ! Combined flux in latest and established models = 0.206616 Jy keep ! Adding 263 model components to the UV plane model. ! The established model now contains 371 components and 0.206616 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2253+3236_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.568 x 3.268 at -18.73 degrees (North through East) ! Clean map min=-0.0016668 max=0.17344 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2253+3236_X_map.fits wmodel /vlbi/uf001/uva//J2253+3236_X_map.mod ! Writing 371 model components to file: /vlbi/uf001/uva//J2253+3236_X_map.mod wobs /vlbi/uf001/uva//J2253+3236_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2253+3236_X_uvs.fits wwins /vlbi/uf001/uva//J2253+3236_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J2253+3236_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.173441 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000136934 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.236853 0.236853 0.473707 0.947414 1.89483 3.78966 7.57931 15.1586 30.3172 60.6345 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.173 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1266.61 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2253+3236_X_dfm.log closed on Mon Jan 14 06:27:13 2019