! Started logfile: /vlbi/uf001/uva//J2146+0427_X_dfm.log on Mon Jan 14 05:58:50 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+0427_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2146+0427_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.959788 visibilities/baseline/integration-bin. ! Found source: J2146+0427 ! ! 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 21768 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+0427_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 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.049490Jy sigma=22.042759 ! Fit after self-cal, rms=0.729772Jy sigma=15.726818 ! 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=0.703 mas, bmaj=1.693 mas, bpa=-2.826 degrees ! Estimated noise=0.386637 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 = 0.196536 Jy ! Component: 100 - total flux cleaned = 0.244005 Jy ! Total flux subtracted in 100 components = 0.244005 Jy ! Clean residual min=-0.009944 max=0.020200 Jy/beam ! Clean residual mean=-0.000006 rms=0.002066 Jy/beam ! Combined flux in latest and established models = 0.244005 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.244005 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=0.115813Jy sigma=1.607262 ! Fit after self-cal, rms=0.115793Jy sigma=1.606353 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0228395 Jy ! Component: 100 - total flux cleaned = 0.0352443 Jy ! Total flux subtracted in 100 components = 0.0352443 Jy ! Clean residual min=-0.009561 max=0.011883 Jy/beam ! Clean residual mean=-0.000003 rms=0.001651 Jy/beam ! Combined flux in latest and established models = 0.279249 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 8 components and 0.279249 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=0.106205Jy sigma=1.439771 ! Fit after self-cal, rms=0.106152Jy sigma=1.438351 ! Inverting map ! Added new window around map position (1, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107092 Jy ! Component: 100 - total flux cleaned = 0.0150704 Jy ! Total flux subtracted in 100 components = 0.0150704 Jy ! Clean residual min=-0.008555 max=0.009628 Jy/beam ! Clean residual mean=-0.000002 rms=0.001532 Jy/beam ! Combined flux in latest and established models = 0.29432 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 20 components and 0.29432 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=0.103514Jy sigma=1.400517 ! Fit after self-cal, rms=0.103461Jy sigma=1.398765 ! Inverting map ! Added new window around map position (1.6, 3.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00881635 Jy ! Component: 100 - total flux cleaned = 0.0141982 Jy ! Total flux subtracted in 100 components = 0.0141982 Jy ! Clean residual min=-0.008189 max=0.007728 Jy/beam ! Clean residual mean=-0.000001 rms=0.001444 Jy/beam ! Combined flux in latest and established models = 0.308518 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 31 components and 0.308518 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=0.101794Jy sigma=1.374133 ! Fit after self-cal, rms=0.101714Jy sigma=1.372385 ! 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=0.8695 mas, bmaj=1.973 mas, bpa=-2.917 degrees ! Estimated noise=0.252112 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 = 0.00788493 Jy ! Component: 100 - total flux cleaned = 0.0133909 Jy ! Component: 150 - total flux cleaned = 0.0175244 Jy ! Component: 200 - total flux cleaned = 0.0206643 Jy ! Total flux subtracted in 200 components = 0.0206643 Jy ! Clean residual min=-0.007932 max=0.009006 Jy/beam ! Clean residual mean=-0.000001 rms=0.001838 Jy/beam ! Combined flux in latest and established models = 0.329182 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 45 components and 0.329182 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=0.099777Jy sigma=1.360847 ! Fit after self-cal, rms=0.099734Jy sigma=1.359611 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8695 x 1.973 at -2.917 degrees (North through East) ! Clean map min=-0.0075501 max=0.25872 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.05 HN 0.98 KP 0.98 ! LA 1.04 MK 1.01 NL 1.13 OV 0.94 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.03 HN 0.96 KP 0.98 ! LA 1.02 MK 1.01 NL 1.12 OV 0.95 ! PT 0.99 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.04 HN 0.96 KP 0.99 ! LA 1.02 MK 1.02 NL 1.12 OV 0.95 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.04 HN 0.96 KP 0.99 ! LA 1.01 MK 1.01 NL 1.11 OV 0.94 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.05 HN 0.96 KP 0.98 ! LA 1.00 MK 1.00 NL 1.14 OV 0.94 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.04 HN 0.95 KP 0.99 ! LA 1.03 MK 1.02 NL 1.11 OV 0.93 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 0.94 KP 0.98 ! LA 1.00 MK 1.01 NL 1.11 OV 0.94 ! PT 0.98 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.03 HN 0.97 KP 0.95 ! LA 1.01 MK 1.02 NL 1.13 OV 0.94 ! PT 0.98 SC 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.03 HN 0.95 KP 0.95 ! LA 1.02 MK 1.01 NL 1.11 OV 0.94 ! PT 0.97 SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.05 HN 0.96 KP 0.96 ! LA 1.02 MK 1.02 NL 1.12 OV 0.95 ! PT 0.96 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.03 HN 0.97 KP 0.98 ! LA 1.02 MK 1.01 NL 1.14 OV 0.92 ! PT 0.96 SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.03 HN 0.96 KP 0.97 ! LA 1.01 MK 1.04 NL 1.11 OV 0.92 ! PT 0.96 SC 0.98 ! ! ! Fit before self-cal, rms=0.099734Jy sigma=1.359611 ! Fit after self-cal, rms=0.095985Jy sigma=1.298734 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8672 mas, bmaj=1.979 mas, bpa=-2.651 degrees ! Estimated noise=0.255728 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 = 0.00170362 Jy ! Component: 100 - total flux cleaned = 0.00248471 Jy ! Component: 150 - total flux cleaned = 0.0031259 Jy ! Component: 200 - total flux cleaned = 0.0032621 Jy ! Total flux subtracted in 200 components = 0.0032621 Jy ! Clean residual min=-0.006861 max=0.004525 Jy/beam ! Clean residual mean=-0.000002 rms=0.001554 Jy/beam ! Combined flux in latest and established models = 0.332444 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 55 components and 0.332444 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=0.095200Jy sigma=1.295037 ! Fit after self-cal, rms=0.095188Jy sigma=1.294544 ! 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=0.095188Jy sigma=1.294544 ! Fit after self-cal, rms=0.065541Jy sigma=1.174037 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8643 mas, bmaj=1.976 mas, bpa=-2.66 degrees ! Estimated noise=0.258125 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00206994 Jy ! Component: 100 - total flux cleaned = 0.00207964 Jy ! Component: 150 - total flux cleaned = 0.00196599 Jy ! Component: 200 - total flux cleaned = 0.00187179 Jy ! Total flux subtracted in 200 components = 0.00187179 Jy ! Clean residual min=-0.003290 max=0.002832 Jy/beam ! Clean residual mean=-0.000002 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 0.334316 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 63 components and 0.334316 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=0.065203Jy sigma=1.170815 ! Fit after self-cal, rms=0.065159Jy sigma=1.170514 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 = -0.000399265 Jy ! Component: 100 - total flux cleaned = -0.00046796 Jy ! Component: 150 - total flux cleaned = -0.000497177 Jy ! Component: 200 - total flux cleaned = -0.000521665 Jy ! Total flux subtracted in 200 components = -0.000521665 Jy ! Clean residual min=-0.003404 max=0.002833 Jy/beam ! Clean residual mean=-0.000001 rms=0.000788 Jy/beam ! Combined flux in latest and established models = 0.333794 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 70 components and 0.333794 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=0.065112Jy sigma=1.170019 ! Fit after self-cal, rms=0.065109Jy sigma=1.169964 ! 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=0.065109Jy sigma=1.169964 ! Fit after self-cal, rms=0.059395Jy sigma=1.136358 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8637 mas, bmaj=1.978 mas, bpa=-2.617 degrees ! Estimated noise=0.258071 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00198804 Jy ! Component: 100 - total flux cleaned = -0.0028583 Jy ! Component: 150 - total flux cleaned = -0.00326426 Jy ! Component: 200 - total flux cleaned = -0.00345256 Jy ! Total flux subtracted in 200 components = -0.00345256 Jy ! Clean residual min=-0.001644 max=0.001384 Jy/beam ! Clean residual mean=-0.000002 rms=0.000336 Jy/beam ! Combined flux in latest and established models = 0.330342 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 79 components and 0.330342 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=0.059316Jy sigma=1.134695 ! Fit after self-cal, rms=0.059284Jy sigma=1.134510 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 = -0.000431394 Jy ! Component: 100 - total flux cleaned = -0.000625371 Jy ! Component: 150 - total flux cleaned = -0.00074804 Jy ! Component: 200 - total flux cleaned = -0.000860406 Jy ! Total flux subtracted in 200 components = -0.000860406 Jy ! Clean residual min=-0.001581 max=0.001389 Jy/beam ! Clean residual mean=-0.000002 rms=0.000329 Jy/beam ! Combined flux in latest and established models = 0.329481 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 84 components and 0.329481 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=0.059261Jy sigma=1.134074 ! Fit after self-cal, rms=0.059260Jy sigma=1.134056 ! 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=0.059260Jy sigma=1.134056 ! Fit after self-cal, rms=0.059157Jy sigma=1.133567 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.09 mas, bmaj=3.145 mas, bpa=-1.559 degrees ! Estimated noise=0.337325 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00108055 Jy ! Component: 100 - total flux cleaned = -0.00127102 Jy ! Component: 150 - total flux cleaned = -0.0014273 Jy ! Component: 200 - total flux cleaned = -0.00147423 Jy ! Total flux subtracted in 200 components = -0.00147423 Jy ! Clean residual min=-0.001959 max=0.001404 Jy/beam ! Clean residual mean=-0.000003 rms=0.000421 Jy/beam ! Combined flux in latest and established models = 0.328007 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 92 components and 0.328007 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=0.059141Jy sigma=1.133235 ! Fit after self-cal, rms=0.059139Jy sigma=1.133189 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 = -0.000118965 Jy ! Component: 100 - total flux cleaned = -0.000229246 Jy ! Component: 150 - total flux cleaned = -0.000314898 Jy ! Component: 200 - total flux cleaned = -0.000340838 Jy ! Total flux subtracted in 200 components = -0.000340838 Jy ! Clean residual min=-0.001918 max=0.001379 Jy/beam ! Clean residual mean=-0.000003 rms=0.000419 Jy/beam ! Combined flux in latest and established models = 0.327666 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 95 components and 0.327666 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=0.059136Jy sigma=1.133134 ! Fit after self-cal, rms=0.059135Jy sigma=1.133118 ! 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=0.8632 mas, bmaj=1.979 mas, bpa=-2.603 degrees ! Estimated noise=0.257856 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8632 x 1.979 at -2.603 degrees (North through East) ! Clean map min=-0.0014337 max=0.26494 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=0.698 mas, bmaj=1.698 mas, bpa=-2.588 degrees ! Estimated noise=0.395189 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.200769 Jy ! Component: 100 - total flux cleaned = 0.251034 Jy ! Component: 150 - total flux cleaned = 0.276287 Jy ! Component: 200 - total flux cleaned = 0.290926 Jy ! Total flux subtracted in 200 components = 0.290926 Jy ! Clean residual min=-0.003190 max=0.007488 Jy/beam ! Clean residual mean=-0.000004 rms=0.000799 Jy/beam ! Combined flux in latest and established models = 0.290926 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.290926 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8632 mas, bmaj=1.979 mas, bpa=-2.603 degrees ! Estimated noise=0.257856 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 = 0.0125302 Jy ! Component: 100 - total flux cleaned = 0.0192 Jy ! Component: 150 - total flux cleaned = 0.0234882 Jy ! Component: 200 - total flux cleaned = 0.0265732 Jy ! Total flux subtracted in 200 components = 0.0265732 Jy ! Clean residual min=-0.001609 max=0.002505 Jy/beam ! Clean residual mean=-0.000004 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.317499 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 60 components and 0.317499 Jy ! Inverting map ! Added new window around map position (-0.8, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.002576 Jy ! Component: 100 - total flux cleaned = 0.00445473 Jy ! Component: 150 - total flux cleaned = 0.0059321 Jy ! Component: 200 - total flux cleaned = 0.00710069 Jy ! Total flux subtracted in 200 components = 0.00710069 Jy ! Clean residual min=-0.001371 max=0.001312 Jy/beam ! Clean residual mean=-0.000002 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.3246 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 75 components and 0.3246 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=2.09 mas, bmaj=3.145 mas, bpa=-1.559 degrees ! Estimated noise=0.337325 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00133423 Jy ! Component: 100 - total flux cleaned = 0.00216389 Jy ! Component: 150 - total flux cleaned = 0.00264 Jy ! Component: 200 - total flux cleaned = 0.00288098 Jy ! Total flux subtracted in 200 components = 0.00288098 Jy ! Clean residual min=-0.001762 max=0.001408 Jy/beam ! Clean residual mean=-0.000003 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.327481 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 = 0.000119377 Jy ! Component: 100 - total flux cleaned = 0.00018727 Jy ! Component: 150 - total flux cleaned = 0.000262568 Jy ! Component: 200 - total flux cleaned = 0.000309686 Jy ! Total flux subtracted in 200 components = 0.000309686 Jy ! Clean residual min=-0.001749 max=0.001370 Jy/beam ! Clean residual mean=-0.000003 rms=0.000416 Jy/beam ! Combined flux in latest and established models = 0.32779 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 107 components and 0.32779 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8632 mas, bmaj=1.979 mas, bpa=-2.603 degrees ! Estimated noise=0.257856 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000243781 Jy ! Component: 100 - total flux cleaned = -0.00030841 Jy ! Component: 150 - total flux cleaned = -0.00036568 Jy ! Component: 200 - total flux cleaned = -0.000365422 Jy ! Total flux subtracted in 200 components = -0.000365422 Jy ! Clean residual min=-0.001312 max=0.001283 Jy/beam ! Clean residual mean=-0.000002 rms=0.000303 Jy/beam ! Combined flux in latest and established models = 0.327425 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 121 components and 0.327425 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=0.059117Jy sigma=1.132809 ! Fit after self-cal, rms=0.059103Jy sigma=1.132570 wmodel J2146+0427_X_map.mod ! Writing 121 model components to file: J2146+0427_X_map.mod wobs J2146+0427_X_uvs.fits ! Writing UV FITS file: J2146+0427_X_uvs.fits wwins J2146+0427_X_map.win ! wwins: Wrote 4 windows to J2146+0427_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 = -0.000100784 Jy ! Component: 100 - total flux cleaned = -0.0003221 Jy ! Component: 150 - total flux cleaned = -0.000574678 Jy ! Component: 200 - total flux cleaned = -0.000757685 Jy ! Component: 250 - total flux cleaned = -0.000935007 Jy ! Component: 300 - total flux cleaned = -0.00104979 Jy ! Component: 350 - total flux cleaned = -0.00114359 Jy ! Component: 400 - total flux cleaned = -0.00121691 Jy ! Component: 450 - total flux cleaned = -0.00130648 Jy ! Component: 500 - total flux cleaned = -0.00139454 Jy ! Component: 550 - total flux cleaned = -0.00148073 Jy ! Component: 600 - total flux cleaned = -0.00151486 Jy ! Component: 650 - total flux cleaned = -0.00158179 Jy ! Component: 700 - total flux cleaned = -0.00164756 Jy ! Component: 750 - total flux cleaned = -0.00176055 Jy ! Component: 800 - total flux cleaned = -0.00176029 Jy ! Component: 850 - total flux cleaned = -0.00180776 Jy ! Component: 900 - total flux cleaned = -0.0018855 Jy ! Component: 950 - total flux cleaned = -0.00191608 Jy ! Component: 1000 - total flux cleaned = -0.00197654 Jy ! Component: 1050 - total flux cleaned = -0.00200664 Jy ! Component: 1100 - total flux cleaned = -0.00205131 Jy ! Component: 1150 - total flux cleaned = -0.00208066 Jy ! Component: 1200 - total flux cleaned = -0.00210989 Jy ! Component: 1250 - total flux cleaned = -0.00218173 Jy ! Component: 1300 - total flux cleaned = -0.00215329 Jy ! Component: 1350 - total flux cleaned = -0.00223807 Jy ! Component: 1400 - total flux cleaned = -0.00227982 Jy ! Component: 1450 - total flux cleaned = -0.002266 Jy ! Component: 1500 - total flux cleaned = -0.00229377 Jy ! Component: 1550 - total flux cleaned = -0.00233484 Jy ! Component: 1600 - total flux cleaned = -0.00233491 Jy ! Component: 1650 - total flux cleaned = -0.00240202 Jy ! Component: 1700 - total flux cleaned = -0.00241536 Jy ! Component: 1750 - total flux cleaned = -0.00245515 Jy ! Component: 1800 - total flux cleaned = -0.00250742 Jy ! Component: 1850 - total flux cleaned = -0.00254637 Jy ! Component: 1900 - total flux cleaned = -0.00257219 Jy ! Component: 1950 - total flux cleaned = -0.00258504 Jy ! Component: 2000 - total flux cleaned = -0.00263608 Jy ! Component: 2050 - total flux cleaned = -0.00269929 Jy ! Component: 2100 - total flux cleaned = -0.00273705 Jy ! Component: 2150 - total flux cleaned = -0.00279939 Jy ! Component: 2200 - total flux cleaned = -0.00278704 Jy ! Component: 2250 - total flux cleaned = -0.00283635 Jy ! Component: 2300 - total flux cleaned = -0.00286075 Jy ! Component: 2350 - total flux cleaned = -0.00287274 Jy ! Component: 2400 - total flux cleaned = -0.00289695 Jy ! Component: 2450 - total flux cleaned = -0.00292092 Jy ! Component: 2500 - total flux cleaned = -0.00292097 Jy ! Component: 2550 - total flux cleaned = -0.00295647 Jy ! Component: 2600 - total flux cleaned = -0.0029448 Jy ! Component: 2650 - total flux cleaned = -0.00296822 Jy ! Component: 2700 - total flux cleaned = -0.00306121 Jy ! Component: 2750 - total flux cleaned = -0.00304957 Jy ! Component: 2800 - total flux cleaned = -0.0030841 Jy ! Component: 2850 - total flux cleaned = -0.00311839 Jy ! Component: 2900 - total flux cleaned = -0.00311842 Jy ! Component: 2950 - total flux cleaned = -0.00319762 Jy ! Component: 3000 - total flux cleaned = -0.00322011 Jy ! Component: 3050 - total flux cleaned = -0.00332068 Jy ! Component: 3100 - total flux cleaned = -0.00329838 Jy ! Component: 3150 - total flux cleaned = -0.00334246 Jy ! Component: 3200 - total flux cleaned = -0.00332049 Jy ! Component: 3250 - total flux cleaned = -0.00337525 Jy ! Component: 3300 - total flux cleaned = -0.00341879 Jy ! Component: 3350 - total flux cleaned = -0.00349472 Jy ! Component: 3400 - total flux cleaned = -0.00351624 Jy ! Component: 3450 - total flux cleaned = -0.00356974 Jy ! Component: 3500 - total flux cleaned = -0.00358042 Jy ! Component: 3550 - total flux cleaned = -0.00364411 Jy ! Component: 3600 - total flux cleaned = -0.00364417 Jy ! Component: 3650 - total flux cleaned = -0.0036547 Jy ! Component: 3700 - total flux cleaned = -0.00373819 Jy ! Component: 3750 - total flux cleaned = -0.00376924 Jy ! Component: 3800 - total flux cleaned = -0.00387256 Jy ! Component: 3850 - total flux cleaned = -0.0038931 Jy ! Component: 3900 - total flux cleaned = -0.00391368 Jy ! Component: 3950 - total flux cleaned = -0.00393405 Jy ! Component: 4000 - total flux cleaned = -0.00398468 Jy ! Component: 4050 - total flux cleaned = -0.00407541 Jy ! Total flux subtracted in 4096 components = -0.00405535 Jy ! Clean residual min=-0.000674 max=0.000641 Jy/beam ! Clean residual mean=-0.000002 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.32337 Jy keep ! Adding 343 model components to the UV plane model. ! The established model now contains 464 components and 0.32337 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2146+0427_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8632 x 1.979 at -2.603 degrees (North through East) ! Clean map min=-0.00096829 max=0.26601 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2146+0427_X_map.fits wmodel /vlbi/uf001/uva//J2146+0427_X_map.mod ! Writing 464 model components to file: /vlbi/uf001/uva//J2146+0427_X_map.mod wobs /vlbi/uf001/uva//J2146+0427_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2146+0427_X_uvs.fits wwins /vlbi/uf001/uva//J2146+0427_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J2146+0427_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.26601 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00017687 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.199471 0.199471 0.398941 0.797882 1.59576 3.19153 6.38306 12.7661 25.5322 51.0645 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.266 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1503.98 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2146+0427_X_dfm.log closed on Mon Jan 14 05:58:55 2019