! Started logfile: /vlbi/uf001/uva//J2146+5703_X_b_dfm.log on Mon Jan 14 05:59:09 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//J2146+5703_X_b_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2146+5703_X_b_uva.fits ! AN table 1: 148 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.738095 visibilities/baseline/integration-bin. ! Found source: J2146+5703 ! ! 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 27528 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 J2146+5703_X_b] 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 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003474Jy sigma=25.007514 ! Fit after self-cal, rms=0.952687Jy sigma=23.817044 ! 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=2.051 mas, bmaj=2.912 mas, bpa=61.35 degrees ! Estimated noise=0.456781 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 = 0.029332 Jy ! Component: 100 - total flux cleaned = 0.0429642 Jy ! Total flux subtracted in 100 components = 0.0429642 Jy ! Clean residual min=-0.007059 max=0.008657 Jy/beam ! Clean residual mean=0.000329 rms=0.002538 Jy/beam ! Combined flux in latest and established models = 0.0429642 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 27 components and 0.0429642 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=0.063727Jy sigma=1.517679 ! Fit after self-cal, rms=0.062497Jy sigma=1.487416 ! 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=2.396 mas, bmaj=3.182 mas, bpa=61.23 degrees ! Estimated noise=0.174869 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 = 0.0200155 Jy ! Component: 100 - total flux cleaned = 0.0330173 Jy ! Component: 150 - total flux cleaned = 0.0425322 Jy ! Component: 200 - total flux cleaned = 0.0495571 Jy ! Total flux subtracted in 200 components = 0.0495571 Jy ! Clean residual min=-0.008270 max=0.008163 Jy/beam ! Clean residual mean=0.000246 rms=0.002388 Jy/beam ! Combined flux in latest and established models = 0.0925213 Jy ! Performing phase self-cal ! Adding 56 model components to the UV plane model. ! The established model now contains 76 components and 0.0925213 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=0.053702Jy sigma=1.290597 ! Fit after self-cal, rms=0.053112Jy sigma=1.277808 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.396 x 3.182 at 61.23 degrees (North through East) ! Clean map min=-0.0082577 max=0.048706 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.21 KP 1.16 LA 0.71 ! NL 1.52 OV 1.33 PT 0.82 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.28 KP 1.07 LA 0.74 ! NL 1.55 OV 1.34 PT 0.82 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.22 KP 1.09 LA 0.74 ! NL 1.25 OV 1.33 PT 0.84 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.25 KP 1.14 LA 0.75 ! NL 1.34 OV 1.27 PT 0.82 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.17 KP 1.15 LA 0.74 ! NL 1.28 OV 1.25 PT 0.83 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.20 KP 1.15 LA 0.72 ! NL 1.26 OV 1.34 PT 0.81 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.22 KP 1.14 LA 0.70 ! NL 1.23 OV 1.22 PT 0.85 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.11 KP 1.13 LA 0.73 ! NL 1.17 OV 1.26 PT 0.82 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 1.16 KP 1.12 LA 0.70 ! NL 1.20 OV 1.28 PT 0.80 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.13 KP 1.11 LA 0.70 ! NL 1.09 OV 1.17 PT 0.84 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.82 FD 1.15 KP 1.11 LA 0.71 ! NL 1.16 OV 1.29 PT 0.81 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.17 KP 1.06 LA 0.71 ! NL 1.09 OV 1.25 PT 0.84 ! ! ! Fit before self-cal, rms=0.053112Jy sigma=1.277808 ! Fit after self-cal, rms=0.051543Jy sigma=1.198686 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.505 mas, bmaj=3.263 mas, bpa=63.92 degrees ! Estimated noise=0.173299 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 = 0.000866528 Jy ! Component: 100 - total flux cleaned = 0.00101311 Jy ! Component: 150 - total flux cleaned = 0.000973049 Jy ! Component: 200 - total flux cleaned = 0.00100091 Jy ! Total flux subtracted in 200 components = 0.00100091 Jy ! Clean residual min=-0.002536 max=0.003372 Jy/beam ! Clean residual mean=0.000030 rms=0.000874 Jy/beam ! Combined flux in latest and established models = 0.0935222 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 88 components and 0.0935223 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=0.051449Jy sigma=1.196889 ! Fit after self-cal, rms=0.052099Jy sigma=1.190054 ! 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=0.052099Jy sigma=1.190054 ! Fit after self-cal, rms=0.054204Jy sigma=1.183324 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.457 mas, bmaj=3.239 mas, bpa=66.59 degrees ! Estimated noise=0.170409 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000576447 Jy ! Component: 100 - total flux cleaned = 0.000553563 Jy ! Component: 150 - total flux cleaned = 0.000493169 Jy ! Component: 200 - total flux cleaned = 0.000446518 Jy ! Total flux subtracted in 200 components = 0.000446518 Jy ! Clean residual min=-0.001836 max=0.002668 Jy/beam ! Clean residual mean=-0.000001 rms=0.000616 Jy/beam ! Combined flux in latest and established models = 0.0939688 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 99 components and 0.0939688 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=0.054166Jy sigma=1.183012 ! Fit after self-cal, rms=0.054381Jy sigma=1.181993 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 (-22.6, 3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187619 Jy ! Component: 100 - total flux cleaned = 0.00269286 Jy ! Component: 150 - total flux cleaned = 0.00330209 Jy ! Component: 200 - total flux cleaned = 0.00370681 Jy ! Total flux subtracted in 200 components = 0.00370681 Jy ! Clean residual min=-0.001513 max=0.001858 Jy/beam ! Clean residual mean=0.000027 rms=0.000484 Jy/beam ! Combined flux in latest and established models = 0.0976756 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 124 components and 0.0976756 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=0.054225Jy sigma=1.178750 ! Fit after self-cal, rms=0.054262Jy sigma=1.177867 ! 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=0.054262Jy sigma=1.177867 ! Fit after self-cal, rms=0.055468Jy sigma=1.176785 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.435 mas, bmaj=3.235 mas, bpa=68.83 degrees ! Estimated noise=0.16774 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115055 Jy ! Component: 100 - total flux cleaned = 0.00170699 Jy ! Component: 150 - total flux cleaned = 0.00209872 Jy ! Component: 200 - total flux cleaned = 0.00244664 Jy ! Total flux subtracted in 200 components = 0.00244664 Jy ! Clean residual min=-0.001360 max=0.001591 Jy/beam ! Clean residual mean=0.000015 rms=0.000378 Jy/beam ! Combined flux in latest and established models = 0.100122 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 143 components and 0.100122 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=0.055405Jy sigma=1.175303 ! Fit after self-cal, rms=0.055542Jy sigma=1.174684 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 = 0.000275531 Jy ! Component: 100 - total flux cleaned = 0.000406538 Jy ! Component: 150 - total flux cleaned = 0.000488464 Jy ! Component: 200 - total flux cleaned = 0.000608729 Jy ! Total flux subtracted in 200 components = 0.000608729 Jy ! Clean residual min=-0.001324 max=0.001474 Jy/beam ! Clean residual mean=0.000018 rms=0.000374 Jy/beam ! Combined flux in latest and established models = 0.100731 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 155 components and 0.100731 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=0.055517Jy sigma=1.173984 ! Fit after self-cal, rms=0.055584Jy sigma=1.173619 ! 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=0.055584Jy sigma=1.173619 ! Fit after self-cal, rms=0.057510Jy sigma=1.173028 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.82 mas, bmaj=3.535 mas, bpa=63.1 degrees ! Estimated noise=0.17234 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000686001 Jy ! Component: 100 - total flux cleaned = 0.000978893 Jy ! Component: 150 - total flux cleaned = 0.00123452 Jy ! Component: 200 - total flux cleaned = 0.00141497 Jy ! Total flux subtracted in 200 components = 0.00141497 Jy ! Clean residual min=-0.001345 max=0.001320 Jy/beam ! Clean residual mean=0.000009 rms=0.000337 Jy/beam ! Combined flux in latest and established models = 0.102146 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 170 components and 0.102146 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=0.057490Jy sigma=1.172441 ! Fit after self-cal, rms=0.057616Jy sigma=1.172073 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 = 2.9118e-05 Jy ! Component: 100 - total flux cleaned = 0.000183318 Jy ! Component: 150 - total flux cleaned = 0.000293272 Jy ! Component: 200 - total flux cleaned = 0.000363091 Jy ! Total flux subtracted in 200 components = 0.000363091 Jy ! Clean residual min=-0.001303 max=0.001274 Jy/beam ! Clean residual mean=0.000010 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.102509 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 175 components and 0.102509 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=0.057607Jy sigma=1.171741 ! Fit after self-cal, rms=0.057642Jy sigma=1.171636 ! 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=2.421 mas, bmaj=3.233 mas, bpa=70.15 degrees ! Estimated noise=0.166632 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.421 x 3.233 at 70.15 degrees (North through East) ! Clean map min=-0.0034895 max=0.046077 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=2.034 mas, bmaj=2.95 mas, bpa=72.96 degrees ! Estimated noise=0.426382 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0284817 Jy ! Component: 100 - total flux cleaned = 0.0438484 Jy ! Component: 150 - total flux cleaned = 0.0544363 Jy ! Component: 200 - total flux cleaned = 0.062388 Jy ! Total flux subtracted in 200 components = 0.062388 Jy ! Clean residual min=-0.005186 max=0.005180 Jy/beam ! Clean residual mean=0.000127 rms=0.001474 Jy/beam ! Combined flux in latest and established models = 0.062388 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 44 model components to the UV plane model. ! The established model now contains 44 components and 0.062388 Jy ! Inverting map and beam ! Estimated beam: bmin=2.421 mas, bmaj=3.233 mas, bpa=70.15 degrees ! Estimated noise=0.166632 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 = 0.00991578 Jy ! Component: 100 - total flux cleaned = 0.0162055 Jy ! Component: 150 - total flux cleaned = 0.0208501 Jy ! Component: 200 - total flux cleaned = 0.0244256 Jy ! Total flux subtracted in 200 components = 0.0244256 Jy ! Clean residual min=-0.003054 max=0.003001 Jy/beam ! Clean residual mean=0.000054 rms=0.000886 Jy/beam ! Combined flux in latest and established models = 0.0868136 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 84 components and 0.0868136 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=2.82 mas, bmaj=3.535 mas, bpa=63.1 degrees ! Estimated noise=0.17234 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00336479 Jy ! Component: 100 - total flux cleaned = 0.00577959 Jy ! Component: 150 - total flux cleaned = 0.00715353 Jy ! Component: 200 - total flux cleaned = 0.00824601 Jy ! Total flux subtracted in 200 components = 0.00824601 Jy ! Clean residual min=-0.002325 max=0.002114 Jy/beam ! Clean residual mean=0.000042 rms=0.000634 Jy/beam ! Combined flux in latest and established models = 0.0950596 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00099155 Jy ! Component: 100 - total flux cleaned = 0.0018367 Jy ! Component: 150 - total flux cleaned = 0.00251942 Jy ! Component: 200 - total flux cleaned = 0.00307665 Jy ! Total flux subtracted in 200 components = 0.00307665 Jy ! Clean residual min=-0.001903 max=0.001638 Jy/beam ! Clean residual mean=0.000032 rms=0.000492 Jy/beam ! Combined flux in latest and established models = 0.0981362 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 117 components and 0.0981362 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.421 mas, bmaj=3.233 mas, bpa=70.15 degrees ! Estimated noise=0.166632 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000522337 Jy ! Component: 100 - total flux cleaned = 0.000826226 Jy ! Component: 150 - total flux cleaned = 0.00112483 Jy ! Component: 200 - total flux cleaned = 0.0013464 Jy ! Total flux subtracted in 200 components = 0.0013464 Jy ! Clean residual min=-0.001643 max=0.001665 Jy/beam ! Clean residual mean=0.000022 rms=0.000422 Jy/beam ! Combined flux in latest and established models = 0.0994826 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 139 components and 0.0994826 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=0.057695Jy sigma=1.173581 ! Fit after self-cal, rms=0.057646Jy sigma=1.172412 wmodel J2146+5703_X_b_map.mod ! Writing 139 model components to file: J2146+5703_X_b_map.mod wobs J2146+5703_X_b_uvs.fits ! Writing UV FITS file: J2146+5703_X_b_uvs.fits wwins J2146+5703_X_b_map.win ! wwins: Wrote 2 windows to J2146+5703_X_b_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -3.9092e-05 Jy ! Component: 100 - total flux cleaned = 0.000202996 Jy ! Component: 150 - total flux cleaned = 0.00034423 Jy ! Component: 200 - total flux cleaned = 0.00051023 Jy ! Component: 250 - total flux cleaned = 0.000628075 Jy ! Component: 300 - total flux cleaned = 0.000784573 Jy ! Component: 350 - total flux cleaned = 0.000931292 Jy ! Component: 400 - total flux cleaned = 0.00106973 Jy ! Component: 450 - total flux cleaned = 0.00121453 Jy ! Component: 500 - total flux cleaned = 0.00132733 Jy ! Component: 550 - total flux cleaned = 0.00142284 Jy ! Component: 600 - total flux cleaned = 0.00157142 Jy ! Component: 650 - total flux cleaned = 0.00165943 Jy ! Component: 700 - total flux cleaned = 0.00178623 Jy ! Component: 750 - total flux cleaned = 0.00187782 Jy ! Component: 800 - total flux cleaned = 0.00197646 Jy ! Component: 850 - total flux cleaned = 0.00208156 Jy ! Component: 900 - total flux cleaned = 0.0021465 Jy ! Component: 950 - total flux cleaned = 0.00221855 Jy ! Component: 1000 - total flux cleaned = 0.00229711 Jy ! Component: 1050 - total flux cleaned = 0.0023396 Jy ! Component: 1100 - total flux cleaned = 0.00240615 Jy ! Component: 1150 - total flux cleaned = 0.00247897 Jy ! Component: 1200 - total flux cleaned = 0.00253415 Jy ! Component: 1250 - total flux cleaned = 0.0025726 Jy ! Component: 1300 - total flux cleaned = 0.00262531 Jy ! Component: 1350 - total flux cleaned = 0.00267683 Jy ! Component: 1400 - total flux cleaned = 0.00273432 Jy ! Component: 1450 - total flux cleaned = 0.00276946 Jy ! Component: 1500 - total flux cleaned = 0.00282451 Jy ! Component: 1550 - total flux cleaned = 0.00287161 Jy ! Component: 1600 - total flux cleaned = 0.00293105 Jy ! Component: 1650 - total flux cleaned = 0.00296992 Jy ! Component: 1700 - total flux cleaned = 0.00302084 Jy ! Component: 1750 - total flux cleaned = 0.00307084 Jy ! Component: 1800 - total flux cleaned = 0.0031078 Jy ! Component: 1850 - total flux cleaned = 0.00314421 Jy ! Component: 1900 - total flux cleaned = 0.00317999 Jy ! Component: 1950 - total flux cleaned = 0.00319775 Jy ! Component: 2000 - total flux cleaned = 0.00325022 Jy ! Component: 2050 - total flux cleaned = 0.00327893 Jy ! Component: 2100 - total flux cleaned = 0.00331877 Jy ! Component: 2150 - total flux cleaned = 0.00336366 Jy ! Component: 2200 - total flux cleaned = 0.00339691 Jy ! Component: 2250 - total flux cleaned = 0.00341884 Jy ! Component: 2300 - total flux cleaned = 0.00345682 Jy ! Component: 2350 - total flux cleaned = 0.00349968 Jy ! Component: 2400 - total flux cleaned = 0.00354736 Jy ! Component: 2450 - total flux cleaned = 0.00358932 Jy ! Component: 2500 - total flux cleaned = 0.00364636 Jy ! Component: 2550 - total flux cleaned = 0.00369764 Jy ! Component: 2600 - total flux cleaned = 0.00373832 Jy ! Component: 2650 - total flux cleaned = 0.00379873 Jy ! Component: 2700 - total flux cleaned = 0.00384865 Jy ! Component: 2750 - total flux cleaned = 0.00389809 Jy ! Component: 2800 - total flux cleaned = 0.00396174 Jy ! Component: 2850 - total flux cleaned = 0.00400537 Jy ! Component: 2900 - total flux cleaned = 0.00405828 Jy ! Component: 2950 - total flux cleaned = 0.00413473 Jy ! Component: 3000 - total flux cleaned = 0.00419643 Jy ! Component: 3050 - total flux cleaned = 0.00424364 Jy ! Component: 3100 - total flux cleaned = 0.00430464 Jy ! Component: 3150 - total flux cleaned = 0.00436064 Jy ! Component: 3200 - total flux cleaned = 0.00441174 Jy ! Component: 3250 - total flux cleaned = 0.00447177 Jy ! Component: 3300 - total flux cleaned = 0.00451772 Jy ! Component: 3350 - total flux cleaned = 0.00458175 Jy ! Component: 3400 - total flux cleaned = 0.00462729 Jy ! Component: 3450 - total flux cleaned = 0.00468623 Jy ! Component: 3500 - total flux cleaned = 0.0047404 Jy ! Component: 3550 - total flux cleaned = 0.00477641 Jy ! Component: 3600 - total flux cleaned = 0.00483467 Jy ! Component: 3650 - total flux cleaned = 0.00488825 Jy ! Component: 3700 - total flux cleaned = 0.00494608 Jy ! Component: 3750 - total flux cleaned = 0.00499043 Jy ! Component: 3800 - total flux cleaned = 0.00504349 Jy ! Component: 3850 - total flux cleaned = 0.00509639 Jy ! Component: 3900 - total flux cleaned = 0.00514473 Jy ! Component: 3950 - total flux cleaned = 0.0051973 Jy ! Component: 4000 - total flux cleaned = 0.00524974 Jy ! Component: 4050 - total flux cleaned = 0.00530636 Jy ! Total flux subtracted in 4096 components = 0.00536719 Jy ! Clean residual min=-0.000290 max=0.000270 Jy/beam ! Clean residual mean=0.000001 rms=0.000081 Jy/beam ! Combined flux in latest and established models = 0.10485 Jy keep ! Adding 290 model components to the UV plane model. ! The established model now contains 429 components and 0.10485 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2146+5703_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.421 x 3.233 at 70.15 degrees (North through East) ! Clean map min=-0.0024461 max=0.045807 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2146+5703_X_b_map.fits wmodel /vlbi/uf001/uva//J2146+5703_X_b_map.mod ! Writing 429 model components to file: /vlbi/uf001/uva//J2146+5703_X_b_map.mod wobs /vlbi/uf001/uva//J2146+5703_X_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2146+5703_X_b_uvs.fits wwins /vlbi/uf001/uva//J2146+5703_X_b_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J2146+5703_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0458069 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 7.6179e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.498914 0.498914 0.997827 1.99565 3.99131 7.98262 15.9652 31.9305 63.8609 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.045 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 601.306 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2146+5703_X_b_dfm.log closed on Mon Jan 14 05:59:14 2019