! Started logfile: /vlbi/uf001/uva//J0657+1313_X_b_dfm.log on Sun Jan 13 23:14:57 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//J0657+1313_X_b_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0657+1313_X_b_uva.fits ! AN table 1: 72 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0657+1313 ! ! 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 24192 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 J0657+1313_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. ! ! 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=1.003431Jy sigma=23.934874 ! Fit after self-cal, rms=0.957421Jy sigma=22.858192 ! 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=0.7471 mas, bmaj=2.667 mas, bpa=-21.86 degrees ! Estimated noise=0.453013 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 = 0.0340101 Jy ! Component: 100 - total flux cleaned = 0.0414396 Jy ! Total flux subtracted in 100 components = 0.0414396 Jy ! Clean residual min=-0.003218 max=0.002746 Jy/beam ! Clean residual mean=-0.000001 rms=0.000632 Jy/beam ! Combined flux in latest and established models = 0.0414396 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.0414396 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=0.054611Jy sigma=1.223802 ! Fit after self-cal, rms=0.053097Jy sigma=1.188650 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00288214 Jy ! Component: 100 - total flux cleaned = 0.00370804 Jy ! Total flux subtracted in 100 components = 0.00370804 Jy ! Clean residual min=-0.002955 max=0.002547 Jy/beam ! Clean residual mean=-0.000001 rms=0.000570 Jy/beam ! Combined flux in latest and established models = 0.0451477 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 11 components and 0.0451477 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=0.052883Jy sigma=1.183826 ! Fit after self-cal, rms=0.052875Jy sigma=1.183552 ! 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=0.958 mas, bmaj=2.723 mas, bpa=-19.88 degrees ! Estimated noise=0.192936 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 = 0.00146258 Jy ! Component: 100 - total flux cleaned = 0.00214241 Jy ! Component: 150 - total flux cleaned = 0.00229815 Jy ! Component: 200 - total flux cleaned = 0.00233854 Jy ! Total flux subtracted in 200 components = 0.00233854 Jy ! Clean residual min=-0.001896 max=0.002108 Jy/beam ! Clean residual mean=-0.000000 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.0474862 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 21 components and 0.0474862 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=0.052829Jy sigma=1.182459 ! Fit after self-cal, rms=0.052830Jy sigma=1.182371 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.958 x 2.723 at -19.88 degrees (North through East) ! Clean map min=-0.0017782 max=0.045519 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.05 HN 0.93 KP 1.00 ! LA 1.03 MK 0.99 NL 1.17 PT 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.94 HN 0.97 KP 1.11 ! LA 0.99 MK 1.06 NL 1.13 PT 0.90 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.94 HN 0.95 KP 1.05 ! LA 1.03 MK 1.02 NL 1.15 PT 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.95 HN 0.99 KP 1.04 ! LA 1.02 MK 1.05 NL 1.22 PT 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 0.94 KP 1.08 ! LA 0.96 MK 1.01 NL 1.13 PT 0.92 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.99 HN 0.89 KP 1.01 ! LA 0.99 MK 1.00 NL 1.17 PT 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 0.91 KP 1.00 ! LA 0.98 MK 1.06 NL 1.08 PT 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 0.95 KP 1.03 ! LA 0.94 MK 1.03 NL 1.15 PT 0.90 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.03 HN 0.97 KP 1.10 ! LA 0.96 MK 1.03 NL 1.17 PT 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 0.92 KP 0.93 ! LA 1.07 MK 0.95 NL 1.17 PT 0.91 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HN 0.87 KP 0.96 ! LA 0.96 MK 1.00 NL 1.13 PT 0.91 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.96 HN 0.89 KP 1.01 ! LA 0.95 MK 0.96 NL 1.24 PT 0.87 ! ! ! Fit before self-cal, rms=0.052830Jy sigma=1.182371 ! Fit after self-cal, rms=0.051191Jy sigma=1.177101 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9609 mas, bmaj=2.699 mas, bpa=-19.67 degrees ! Estimated noise=0.191756 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 = 4.59454e-05 Jy ! Component: 100 - total flux cleaned = 3.64497e-05 Jy ! Component: 150 - total flux cleaned = -9.01803e-06 Jy ! Component: 200 - total flux cleaned = -3.31722e-05 Jy ! Total flux subtracted in 200 components = -3.31722e-05 Jy ! Clean residual min=-0.001158 max=0.001435 Jy/beam ! Clean residual mean=0.000000 rms=0.000329 Jy/beam ! Combined flux in latest and established models = 0.047453 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 28 components and 0.047453 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=0.051186Jy sigma=1.176991 ! Fit after self-cal, rms=0.051195Jy sigma=1.176445 ! 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=0.051195Jy sigma=1.176445 ! Fit after self-cal, rms=0.051386Jy sigma=1.174924 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9595 mas, bmaj=2.699 mas, bpa=-19.6 degrees ! Estimated noise=0.191885 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.2897e-05 Jy ! Component: 100 - total flux cleaned = -3.09909e-05 Jy ! Component: 150 - total flux cleaned = -3.09828e-05 Jy ! Component: 200 - total flux cleaned = -3.75002e-05 Jy ! Total flux subtracted in 200 components = -3.75002e-05 Jy ! Clean residual min=-0.001043 max=0.001405 Jy/beam ! Clean residual mean=0.000000 rms=0.000309 Jy/beam ! Combined flux in latest and established models = 0.0474155 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 35 components and 0.0474155 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=0.051384Jy sigma=1.174863 ! Fit after self-cal, rms=0.051404Jy sigma=1.174709 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 (-5.4, -8.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00128905 Jy ! Component: 100 - total flux cleaned = 0.0020528 Jy ! Component: 150 - total flux cleaned = 0.00256537 Jy ! Component: 200 - total flux cleaned = 0.00288431 Jy ! Total flux subtracted in 200 components = 0.00288431 Jy ! Clean residual min=-0.000999 max=0.000946 Jy/beam ! Clean residual mean=0.000000 rms=0.000253 Jy/beam ! Combined flux in latest and established models = 0.0502998 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 70 components and 0.0502998 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=0.051373Jy sigma=1.173728 ! Fit after self-cal, rms=0.051363Jy sigma=1.173596 ! 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=0.051363Jy sigma=1.173596 ! Fit after self-cal, rms=0.051232Jy sigma=1.173534 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9588 mas, bmaj=2.702 mas, bpa=-19.58 degrees ! Estimated noise=0.190882 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000540058 Jy ! Component: 100 - total flux cleaned = 0.000837987 Jy ! Component: 150 - total flux cleaned = 0.00101016 Jy ! Component: 200 - total flux cleaned = 0.00115667 Jy ! Total flux subtracted in 200 components = 0.00115667 Jy ! Clean residual min=-0.000952 max=0.000918 Jy/beam ! Clean residual mean=0.000000 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.0514565 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 84 components and 0.0514565 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=0.051226Jy sigma=1.173317 ! Fit after self-cal, rms=0.051230Jy sigma=1.173270 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 = 0.000256811 Jy ! Component: 100 - total flux cleaned = 0.000374654 Jy ! Component: 150 - total flux cleaned = 0.000471473 Jy ! Component: 200 - total flux cleaned = 0.00056558 Jy ! Total flux subtracted in 200 components = 0.00056558 Jy ! Clean residual min=-0.000935 max=0.000934 Jy/beam ! Clean residual mean=0.000000 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.0520221 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 93 components and 0.0520221 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=0.051227Jy sigma=1.173196 ! Fit after self-cal, rms=0.051227Jy sigma=1.173190 ! 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=0.051227Jy sigma=1.173190 ! Fit after self-cal, rms=0.051207Jy sigma=1.173178 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.266 mas, bmaj=2.963 mas, bpa=-17.17 degrees ! Estimated noise=0.233546 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000379417 Jy ! Component: 100 - total flux cleaned = 0.000472294 Jy ! Component: 150 - total flux cleaned = 0.000501675 Jy ! Component: 200 - total flux cleaned = 0.000521055 Jy ! Total flux subtracted in 200 components = 0.000521055 Jy ! Clean residual min=-0.001079 max=0.001435 Jy/beam ! Clean residual mean=0.000001 rms=0.000345 Jy/beam ! Combined flux in latest and established models = 0.0525431 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 106 components and 0.0525431 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=0.051207Jy sigma=1.173138 ! Fit after self-cal, rms=0.051208Jy sigma=1.173125 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 = 0.000124009 Jy ! Component: 100 - total flux cleaned = 0.00014163 Jy ! Component: 150 - total flux cleaned = 0.000147097 Jy ! Component: 200 - total flux cleaned = 0.000156996 Jy ! Total flux subtracted in 200 components = 0.000156996 Jy ! Clean residual min=-0.001067 max=0.001438 Jy/beam ! Clean residual mean=0.000001 rms=0.000344 Jy/beam ! Combined flux in latest and established models = 0.0527001 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 108 components and 0.0527001 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=0.051208Jy sigma=1.173111 ! Fit after self-cal, rms=0.051209Jy sigma=1.173104 ! 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=0.9581 mas, bmaj=2.703 mas, bpa=-19.57 degrees ! Estimated noise=0.190659 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9581 x 2.703 at -19.57 degrees (North through East) ! Clean map min=-0.00084824 max=0.045118 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=0.7489 mas, bmaj=2.642 mas, bpa=-21.54 degrees ! Estimated noise=0.449849 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0348887 Jy ! Component: 100 - total flux cleaned = 0.0426459 Jy ! Component: 150 - total flux cleaned = 0.0450872 Jy ! Component: 200 - total flux cleaned = 0.0464959 Jy ! Total flux subtracted in 200 components = 0.0464959 Jy ! Clean residual min=-0.002112 max=0.001839 Jy/beam ! Clean residual mean=-0.000001 rms=0.000487 Jy/beam ! Combined flux in latest and established models = 0.0464959 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0464959 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9581 mas, bmaj=2.703 mas, bpa=-19.57 degrees ! Estimated noise=0.190659 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 = 0.00181221 Jy ! Component: 100 - total flux cleaned = 0.00270552 Jy ! Component: 150 - total flux cleaned = 0.00344576 Jy ! Component: 200 - total flux cleaned = 0.00404481 Jy ! Total flux subtracted in 200 components = 0.00404481 Jy ! Clean residual min=-0.001029 max=0.001089 Jy/beam ! Clean residual mean=0.000000 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.0505408 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 50 components and 0.0505408 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=2.266 mas, bmaj=2.963 mas, bpa=-17.17 degrees ! Estimated noise=0.233546 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000906483 Jy ! Component: 100 - total flux cleaned = 0.00138133 Jy ! Component: 150 - total flux cleaned = 0.00160789 Jy ! Component: 200 - total flux cleaned = 0.00172096 Jy ! Total flux subtracted in 200 components = 0.00172096 Jy ! Clean residual min=-0.001163 max=0.001479 Jy/beam ! Clean residual mean=0.000001 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.0522617 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.01685e-05 Jy ! Component: 100 - total flux cleaned = 0.000149804 Jy ! Component: 150 - total flux cleaned = 0.000210784 Jy ! Component: 200 - total flux cleaned = 0.000232315 Jy ! Total flux subtracted in 200 components = 0.000232315 Jy ! Clean residual min=-0.001108 max=0.001469 Jy/beam ! Clean residual mean=0.000001 rms=0.000353 Jy/beam ! Combined flux in latest and established models = 0.052494 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 82 components and 0.052494 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9581 mas, bmaj=2.703 mas, bpa=-19.57 degrees ! Estimated noise=0.190659 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.74523e-05 Jy ! Component: 100 - total flux cleaned = 3.98227e-05 Jy ! Component: 150 - total flux cleaned = 2.74425e-05 Jy ! Component: 200 - total flux cleaned = 2.74747e-05 Jy ! Total flux subtracted in 200 components = 2.74747e-05 Jy ! Clean residual min=-0.000869 max=0.000977 Jy/beam ! Clean residual mean=0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.0525215 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 103 components and 0.0525215 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=0.051210Jy sigma=1.173168 ! Fit after self-cal, rms=0.051212Jy sigma=1.173122 wmodel J0657+1313_X_b_map.mod ! Writing 103 model components to file: J0657+1313_X_b_map.mod wobs J0657+1313_X_b_uvs.fits ! Writing UV FITS file: J0657+1313_X_b_uvs.fits wwins J0657+1313_X_b_map.win ! wwins: Wrote 2 windows to J0657+1313_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 = 0.000263238 Jy ! Component: 100 - total flux cleaned = 0.000438009 Jy ! Component: 150 - total flux cleaned = 0.000543292 Jy ! Component: 200 - total flux cleaned = 0.000687012 Jy ! Component: 250 - total flux cleaned = 0.000811 Jy ! Component: 300 - total flux cleaned = 0.00089093 Jy ! Component: 350 - total flux cleaned = 0.000929767 Jy ! Component: 400 - total flux cleaned = 0.000979697 Jy ! Component: 450 - total flux cleaned = 0.000954875 Jy ! Component: 500 - total flux cleaned = 0.000931272 Jy ! Component: 550 - total flux cleaned = 0.000942799 Jy ! Component: 600 - total flux cleaned = 0.000931767 Jy ! Component: 650 - total flux cleaned = 0.000954108 Jy ! Component: 700 - total flux cleaned = 0.000975743 Jy ! Component: 750 - total flux cleaned = 0.000965207 Jy ! Component: 800 - total flux cleaned = 0.000986229 Jy ! Component: 850 - total flux cleaned = 0.00100638 Jy ! Component: 900 - total flux cleaned = 0.00103588 Jy ! Component: 950 - total flux cleaned = 0.00100637 Jy ! Component: 1000 - total flux cleaned = 0.00102575 Jy ! Component: 1050 - total flux cleaned = 0.00103516 Jy ! Component: 1100 - total flux cleaned = 0.00103525 Jy ! Component: 1150 - total flux cleaned = 0.00103524 Jy ! Component: 1200 - total flux cleaned = 0.00106222 Jy ! Component: 1250 - total flux cleaned = 0.00105328 Jy ! Component: 1300 - total flux cleaned = 0.00105346 Jy ! Component: 1350 - total flux cleaned = 0.00103614 Jy ! Component: 1400 - total flux cleaned = 0.00103611 Jy ! Component: 1450 - total flux cleaned = 0.00104468 Jy ! Component: 1500 - total flux cleaned = 0.00103643 Jy ! Component: 1550 - total flux cleaned = 0.00103654 Jy ! Component: 1600 - total flux cleaned = 0.00102857 Jy ! Component: 1650 - total flux cleaned = 0.00102851 Jy ! Component: 1700 - total flux cleaned = 0.00102847 Jy ! Component: 1750 - total flux cleaned = 0.00103616 Jy ! Component: 1800 - total flux cleaned = 0.00103605 Jy ! Component: 1850 - total flux cleaned = 0.00100589 Jy ! Component: 1900 - total flux cleaned = 0.00102088 Jy ! Component: 1950 - total flux cleaned = 0.00102088 Jy ! Component: 2000 - total flux cleaned = 0.00102085 Jy ! Component: 2050 - total flux cleaned = 0.000999372 Jy ! Component: 2100 - total flux cleaned = 0.00101369 Jy ! Component: 2150 - total flux cleaned = 0.000999746 Jy ! Component: 2200 - total flux cleaned = 0.00100667 Jy ! Component: 2250 - total flux cleaned = 0.000992807 Jy ! Component: 2300 - total flux cleaned = 0.00098601 Jy ! Component: 2350 - total flux cleaned = 0.000945529 Jy ! Component: 2400 - total flux cleaned = 0.000952173 Jy ! Component: 2450 - total flux cleaned = 0.000938983 Jy ! Component: 2500 - total flux cleaned = 0.000932398 Jy ! Component: 2550 - total flux cleaned = 0.000906588 Jy ! Component: 2600 - total flux cleaned = 0.000906693 Jy ! Component: 2650 - total flux cleaned = 0.000887829 Jy ! Component: 2700 - total flux cleaned = 0.000881687 Jy ! Component: 2750 - total flux cleaned = 0.000912763 Jy ! Component: 2800 - total flux cleaned = 0.000882021 Jy ! Component: 2850 - total flux cleaned = 0.000875963 Jy ! Component: 2900 - total flux cleaned = 0.000912195 Jy ! Component: 2950 - total flux cleaned = 0.000900153 Jy ! Component: 3000 - total flux cleaned = 0.000882297 Jy ! Component: 3050 - total flux cleaned = 0.000876493 Jy ! Component: 3100 - total flux cleaned = 0.000870653 Jy ! Component: 3150 - total flux cleaned = 0.000870674 Jy ! Component: 3200 - total flux cleaned = 0.00085358 Jy ! Component: 3250 - total flux cleaned = 0.000836569 Jy ! Component: 3300 - total flux cleaned = 0.000836523 Jy ! Component: 3350 - total flux cleaned = 0.000825435 Jy ! Component: 3400 - total flux cleaned = 0.00081425 Jy ! Component: 3450 - total flux cleaned = 0.00080319 Jy ! Component: 3500 - total flux cleaned = 0.000786775 Jy ! Component: 3550 - total flux cleaned = 0.000797579 Jy ! Component: 3600 - total flux cleaned = 0.000759763 Jy ! Component: 3650 - total flux cleaned = 0.000754406 Jy ! Component: 3700 - total flux cleaned = 0.000749116 Jy ! Component: 3750 - total flux cleaned = 0.000743839 Jy ! Component: 3800 - total flux cleaned = 0.00073332 Jy ! Component: 3850 - total flux cleaned = 0.000712476 Jy ! Component: 3900 - total flux cleaned = 0.00068142 Jy ! Component: 3950 - total flux cleaned = 0.000671099 Jy ! Component: 4000 - total flux cleaned = 0.000676224 Jy ! Component: 4050 - total flux cleaned = 0.000650764 Jy ! Total flux subtracted in 4096 components = 0.000655815 Jy ! Clean residual min=-0.000296 max=0.000332 Jy/beam ! Clean residual mean=0.000000 rms=0.000088 Jy/beam ! Combined flux in latest and established models = 0.0531773 Jy keep ! Adding 298 model components to the UV plane model. ! The established model now contains 401 components and 0.0531773 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0657+1313_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9581 x 2.703 at -19.57 degrees (North through East) ! Clean map min=-0.00068115 max=0.044879 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0657+1313_X_b_map.fits wmodel /vlbi/uf001/uva//J0657+1313_X_b_map.mod ! Writing 401 model components to file: /vlbi/uf001/uva//J0657+1313_X_b_map.mod wobs /vlbi/uf001/uva//J0657+1313_X_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0657+1313_X_b_uvs.fits wwins /vlbi/uf001/uva//J0657+1313_X_b_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J0657+1313_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0448794 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 8.85494e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.591916 0.591916 1.18383 2.36766 4.73533 9.47065 18.9413 37.8826 75.7652 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.044 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 506.828 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0657+1313_X_b_dfm.log closed on Sun Jan 13 23:15:02 2019