! Started logfile: /vlbi/uf001/uva//J2257+0743_X_b_dfm.log on Mon Jan 14 06:28:38 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//J2257+0743_X_b_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2257+0743_X_b_uva.fits ! AN table 1: 5 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.857143 visibilities/baseline/integration-bin. ! Found source: J2257+0743 ! ! 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 1080 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 J2257+0743_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 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 10 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.082639Jy sigma=20.775096 ! Fit after self-cal, rms=0.640983Jy sigma=12.237467 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.791 mas, bmaj=4.933 mas, bpa=-29.17 degrees ! Estimated noise=1.76963 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 = 0.26332 Jy ! Component: 100 - total flux cleaned = 0.349882 Jy ! Total flux subtracted in 100 components = 0.349882 Jy ! Clean residual min=-0.026133 max=0.042215 Jy/beam ! Clean residual mean=-0.000050 rms=0.010227 Jy/beam ! Combined flux in latest and established models = 0.349882 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.349882 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=0.114016Jy sigma=2.113935 ! Fit after self-cal, rms=0.112921Jy sigma=2.097887 ! 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=2.126 mas, bmaj=4.874 mas, bpa=-30.37 degrees ! Estimated noise=1.32011 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 = 0.0675552 Jy ! Component: 100 - total flux cleaned = 0.102358 Jy ! Component: 150 - total flux cleaned = 0.12381 Jy ! Component: 200 - total flux cleaned = 0.138706 Jy ! Total flux subtracted in 200 components = 0.138706 Jy ! Clean residual min=-0.013434 max=0.014332 Jy/beam ! Clean residual mean=-0.000046 rms=0.004168 Jy/beam ! Combined flux in latest and established models = 0.488588 Jy ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 56 components and 0.488588 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=0.061455Jy sigma=1.114338 ! Fit after self-cal, rms=0.060600Jy sigma=1.097956 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.126 x 4.874 at -30.37 degrees (North through East) ! Clean map min=-0.011536 max=0.36815 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.98 KP 0.99 LA 0.96 ! NL 1.04 OV 0.99 PT 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 0.97 KP 1.00 LA 0.99 ! NL 1.03 OV 0.97 PT 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 1.05 KP 0.98 LA 0.95 ! NL 1.05 OV 1.01 PT 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 0.97 KP 0.97 LA 0.97 ! NL 1.10 OV 1.03 PT 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 0.97 KP 1.00 LA 1.01 ! NL 1.04 OV 0.98 PT 0.90 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 0.97 KP 1.01 LA 0.96 ! NL 1.07 OV 0.97 PT 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 HN 1.05 KP 1.00 LA 0.98 ! NL 1.04 OV 1.04 PT 0.89 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 0.94 KP 1.00 LA 0.98 ! NL 1.09 OV 1.00 PT 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 HN 1.17 KP 1.00 LA 0.99 ! NL 1.05 OV 0.98 PT 0.91 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 1.05 KP 0.98 LA 0.95 ! NL 1.01 OV 1.00 PT 0.94 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.05 KP 1.00 LA 0.97 ! NL 1.08 OV 1.01 PT 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 HN 1.09 KP 0.98 LA 1.01 ! NL 1.04 OV 1.02 PT 0.93 ! ! ! Fit before self-cal, rms=0.060600Jy sigma=1.097956 ! Fit after self-cal, rms=0.055610Jy sigma=1.002799 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.148 mas, bmaj=4.893 mas, bpa=-30.21 degrees ! Estimated noise=1.30491 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 = -0.00134247 Jy ! Component: 100 - total flux cleaned = -0.00301333 Jy ! Component: 150 - total flux cleaned = -0.00379215 Jy ! Component: 200 - total flux cleaned = -0.003903 Jy ! Total flux subtracted in 200 components = -0.003903 Jy ! Clean residual min=-0.008157 max=0.007335 Jy/beam ! Clean residual mean=-0.000003 rms=0.002249 Jy/beam ! Combined flux in latest and established models = 0.484685 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 76 components and 0.484685 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=0.054623Jy sigma=0.983685 ! Fit after self-cal, rms=0.054580Jy sigma=0.981953 ! 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=0.054580Jy sigma=0.981953 ! Fit after self-cal, rms=0.054511Jy sigma=0.981214 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.147 mas, bmaj=4.9 mas, bpa=-30.18 degrees ! Estimated noise=1.3051 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00153446 Jy ! Component: 100 - total flux cleaned = -0.00186539 Jy ! Component: 150 - total flux cleaned = -0.00196049 Jy ! Component: 200 - total flux cleaned = -0.0021248 Jy ! Total flux subtracted in 200 components = -0.0021248 Jy ! Clean residual min=-0.007954 max=0.006994 Jy/beam ! Clean residual mean=-0.000001 rms=0.002052 Jy/beam ! Combined flux in latest and established models = 0.48256 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 86 components and 0.48256 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=0.054169Jy sigma=0.974150 ! Fit after self-cal, rms=0.054164Jy sigma=0.973642 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.16964e-05 Jy ! Component: 100 - total flux cleaned = -0.000115501 Jy ! Component: 150 - total flux cleaned = -0.000114904 Jy ! Component: 200 - total flux cleaned = -0.000114633 Jy ! Total flux subtracted in 200 components = -0.000114633 Jy ! Clean residual min=-0.007720 max=0.006708 Jy/beam ! Clean residual mean=-0.000002 rms=0.001967 Jy/beam ! Combined flux in latest and established models = 0.482446 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 97 components and 0.482446 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=0.054002Jy sigma=0.970309 ! Fit after self-cal, rms=0.054005Jy sigma=0.970080 ! 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=0.054005Jy sigma=0.970080 ! Fit after self-cal, rms=0.053889Jy sigma=0.969379 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.145 mas, bmaj=4.905 mas, bpa=-30.16 degrees ! Estimated noise=1.30482 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00168588 Jy ! Component: 100 - total flux cleaned = -0.00215572 Jy ! Component: 150 - total flux cleaned = -0.00233728 Jy ! Component: 200 - total flux cleaned = -0.00244765 Jy ! Total flux subtracted in 200 components = -0.00244765 Jy ! Clean residual min=-0.007414 max=0.006376 Jy/beam ! Clean residual mean=-0.000001 rms=0.001871 Jy/beam ! Combined flux in latest and established models = 0.479998 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 106 components and 0.479998 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=0.053749Jy sigma=0.966520 ! Fit after self-cal, rms=0.053752Jy sigma=0.966377 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.47206e-05 Jy ! Component: 100 - total flux cleaned = -0.000121807 Jy ! Component: 150 - total flux cleaned = -0.00026849 Jy ! Component: 200 - total flux cleaned = -0.000361453 Jy ! Total flux subtracted in 200 components = -0.000361453 Jy ! Clean residual min=-0.007158 max=0.006158 Jy/beam ! Clean residual mean=-0.000002 rms=0.001827 Jy/beam ! Combined flux in latest and established models = 0.479637 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 112 components and 0.479637 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=0.053668Jy sigma=0.964724 ! Fit after self-cal, rms=0.053670Jy sigma=0.964631 ! 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=0.053670Jy sigma=0.964631 ! Fit after self-cal, rms=0.053547Jy sigma=0.964143 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.565 mas, bmaj=4.994 mas, bpa=-30.31 degrees ! Estimated noise=1.34567 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00123041 Jy ! Component: 100 - total flux cleaned = -0.00189475 Jy ! Component: 150 - total flux cleaned = -0.0023472 Jy ! Component: 200 - total flux cleaned = -0.00256928 Jy ! Total flux subtracted in 200 components = -0.00256928 Jy ! Clean residual min=-0.006631 max=0.005652 Jy/beam ! Clean residual mean=-0.000002 rms=0.001845 Jy/beam ! Combined flux in latest and established models = 0.477067 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 121 components and 0.477067 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=0.053470Jy sigma=0.962912 ! Fit after self-cal, rms=0.053470Jy sigma=0.962776 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.39974e-05 Jy ! Component: 100 - total flux cleaned = -0.000249697 Jy ! Component: 150 - total flux cleaned = -0.000400238 Jy ! Component: 200 - total flux cleaned = -0.000471058 Jy ! Total flux subtracted in 200 components = -0.000471058 Jy ! Clean residual min=-0.006457 max=0.005562 Jy/beam ! Clean residual mean=-0.000003 rms=0.001815 Jy/beam ! Combined flux in latest and established models = 0.476596 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 127 components and 0.476596 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=0.053427Jy sigma=0.962070 ! Fit after self-cal, rms=0.053429Jy sigma=0.961992 ! 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=2.143 mas, bmaj=4.908 mas, bpa=-30.14 degrees ! Estimated noise=1.304 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.143 x 4.908 at -30.14 degrees (North through East) ! Clean map min=-0.0064704 max=0.36112 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.791 mas, bmaj=4.955 mas, bpa=-29.02 degrees ! Estimated noise=1.76769 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.26255 Jy ! Component: 100 - total flux cleaned = 0.351405 Jy ! Component: 150 - total flux cleaned = 0.398533 Jy ! Component: 200 - total flux cleaned = 0.424515 Jy ! Total flux subtracted in 200 components = 0.424515 Jy ! Clean residual min=-0.013772 max=0.016995 Jy/beam ! Clean residual mean=-0.000016 rms=0.004415 Jy/beam ! Combined flux in latest and established models = 0.424514 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.424514 Jy ! Inverting map and beam ! Estimated beam: bmin=2.143 mas, bmaj=4.908 mas, bpa=-30.14 degrees ! Estimated noise=1.304 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 = 0.02293 Jy ! Component: 100 - total flux cleaned = 0.0364236 Jy ! Component: 150 - total flux cleaned = 0.0447057 Jy ! Component: 200 - total flux cleaned = 0.0475257 Jy ! Total flux subtracted in 200 components = 0.0475257 Jy ! Clean residual min=-0.009123 max=0.007243 Jy/beam ! Clean residual mean=-0.000005 rms=0.002499 Jy/beam ! Combined flux in latest and established models = 0.47204 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 62 components and 0.47204 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=2.565 mas, bmaj=4.994 mas, bpa=-30.31 degrees ! Estimated noise=1.34567 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00161735 Jy ! Component: 100 - total flux cleaned = 0.00275311 Jy ! Component: 150 - total flux cleaned = 0.00348227 Jy ! Component: 200 - total flux cleaned = 0.00396385 Jy ! Total flux subtracted in 200 components = 0.00396385 Jy ! Clean residual min=-0.007642 max=0.006414 Jy/beam ! Clean residual mean=-0.000003 rms=0.002162 Jy/beam ! Combined flux in latest and established models = 0.476004 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 = 0.000205269 Jy ! Component: 100 - total flux cleaned = 0.000383867 Jy ! Component: 150 - total flux cleaned = 0.000463134 Jy ! Component: 200 - total flux cleaned = 0.000460736 Jy ! Total flux subtracted in 200 components = 0.000460736 Jy ! Clean residual min=-0.007070 max=0.006322 Jy/beam ! Clean residual mean=-0.000003 rms=0.002044 Jy/beam ! Combined flux in latest and established models = 0.476465 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 92 components and 0.476465 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.143 mas, bmaj=4.908 mas, bpa=-30.14 degrees ! Estimated noise=1.304 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000380815 Jy ! Component: 100 - total flux cleaned = -0.000128145 Jy ! Component: 150 - total flux cleaned = -0.000203432 Jy ! Component: 200 - total flux cleaned = -0.000272127 Jy ! Total flux subtracted in 200 components = -0.000272127 Jy ! Clean residual min=-0.006759 max=0.006946 Jy/beam ! Clean residual mean=-0.000003 rms=0.001888 Jy/beam ! Combined flux in latest and established models = 0.476193 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 108 components and 0.476193 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=0.053720Jy sigma=0.967828 ! Fit after self-cal, rms=0.053704Jy sigma=0.966949 wmodel J2257+0743_X_b_map.mod ! Writing 108 model components to file: J2257+0743_X_b_map.mod wobs J2257+0743_X_b_uvs.fits ! Writing UV FITS file: J2257+0743_X_b_uvs.fits wwins J2257+0743_X_b_map.win ! wwins: Wrote 1 windows to J2257+0743_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 = 0.00101994 Jy ! Component: 100 - total flux cleaned = 0.00161252 Jy ! Component: 150 - total flux cleaned = 0.00230589 Jy ! Component: 200 - total flux cleaned = 0.00286108 Jy ! Component: 250 - total flux cleaned = 0.0032279 Jy ! Component: 300 - total flux cleaned = 0.00376876 Jy ! Component: 350 - total flux cleaned = 0.00408392 Jy ! Component: 400 - total flux cleaned = 0.00438159 Jy ! Component: 450 - total flux cleaned = 0.00455261 Jy ! Component: 500 - total flux cleaned = 0.00466227 Jy ! Component: 550 - total flux cleaned = 0.00476416 Jy ! Component: 600 - total flux cleaned = 0.00481172 Jy ! Component: 650 - total flux cleaned = 0.00503692 Jy ! Component: 700 - total flux cleaned = 0.00516416 Jy ! Component: 750 - total flux cleaned = 0.00512194 Jy ! Component: 800 - total flux cleaned = 0.00512116 Jy ! Component: 850 - total flux cleaned = 0.00508106 Jy ! Component: 900 - total flux cleaned = 0.00504436 Jy ! Component: 950 - total flux cleaned = 0.00504494 Jy ! Component: 1000 - total flux cleaned = 0.00511367 Jy ! Component: 1050 - total flux cleaned = 0.00514621 Jy ! Component: 1100 - total flux cleaned = 0.00521085 Jy ! Component: 1150 - total flux cleaned = 0.00524246 Jy ! Component: 1200 - total flux cleaned = 0.00533408 Jy ! Component: 1250 - total flux cleaned = 0.00527324 Jy ! Component: 1300 - total flux cleaned = 0.00521404 Jy ! Component: 1350 - total flux cleaned = 0.0051574 Jy ! Component: 1400 - total flux cleaned = 0.00524132 Jy ! Component: 1450 - total flux cleaned = 0.00526856 Jy ! Component: 1500 - total flux cleaned = 0.00532216 Jy ! Component: 1550 - total flux cleaned = 0.00534828 Jy ! Component: 1600 - total flux cleaned = 0.00534868 Jy ! Component: 1650 - total flux cleaned = 0.00534865 Jy ! Component: 1700 - total flux cleaned = 0.00532418 Jy ! Component: 1750 - total flux cleaned = 0.00530047 Jy ! Component: 1800 - total flux cleaned = 0.00534877 Jy ! Component: 1850 - total flux cleaned = 0.00527789 Jy ! Component: 1900 - total flux cleaned = 0.0052548 Jy ! Component: 1950 - total flux cleaned = 0.00525459 Jy ! Component: 2000 - total flux cleaned = 0.00520965 Jy ! Component: 2050 - total flux cleaned = 0.00516538 Jy ! Component: 2100 - total flux cleaned = 0.00518745 Jy ! Component: 2150 - total flux cleaned = 0.00516571 Jy ! Component: 2200 - total flux cleaned = 0.00514449 Jy ! Component: 2250 - total flux cleaned = 0.00512361 Jy ! Component: 2300 - total flux cleaned = 0.00510312 Jy ! Component: 2350 - total flux cleaned = 0.00508285 Jy ! Component: 2400 - total flux cleaned = 0.0050627 Jy ! Component: 2450 - total flux cleaned = 0.00506254 Jy ! Component: 2500 - total flux cleaned = 0.00516051 Jy ! Component: 2550 - total flux cleaned = 0.00521877 Jy ! Component: 2600 - total flux cleaned = 0.00521884 Jy ! Component: 2650 - total flux cleaned = 0.00521865 Jy ! Component: 2700 - total flux cleaned = 0.00519939 Jy ! Component: 2750 - total flux cleaned = 0.0052183 Jy ! Component: 2800 - total flux cleaned = 0.00519941 Jy ! Component: 2850 - total flux cleaned = 0.0052557 Jy ! Component: 2900 - total flux cleaned = 0.00529283 Jy ! Component: 2950 - total flux cleaned = 0.00525557 Jy ! Component: 3000 - total flux cleaned = 0.0052927 Jy ! Component: 3050 - total flux cleaned = 0.00531118 Jy ! Component: 3100 - total flux cleaned = 0.00532948 Jy ! Component: 3150 - total flux cleaned = 0.00531095 Jy ! Component: 3200 - total flux cleaned = 0.00531103 Jy ! Component: 3250 - total flux cleaned = 0.0053111 Jy ! Component: 3300 - total flux cleaned = 0.00534777 Jy ! Component: 3350 - total flux cleaned = 0.00540275 Jy ! Component: 3400 - total flux cleaned = 0.00543946 Jy ! Component: 3450 - total flux cleaned = 0.00547639 Jy ! Component: 3500 - total flux cleaned = 0.00553169 Jy ! Component: 3550 - total flux cleaned = 0.00560535 Jy ! Component: 3600 - total flux cleaned = 0.00566074 Jy ! Component: 3650 - total flux cleaned = 0.00569768 Jy ! Component: 3700 - total flux cleaned = 0.005772 Jy ! Component: 3750 - total flux cleaned = 0.00582759 Jy ! Component: 3800 - total flux cleaned = 0.00586461 Jy ! Component: 3850 - total flux cleaned = 0.00599521 Jy ! Component: 3900 - total flux cleaned = 0.00599519 Jy ! Component: 3950 - total flux cleaned = 0.00607012 Jy ! Component: 4000 - total flux cleaned = 0.00612647 Jy ! Component: 4050 - total flux cleaned = 0.00620191 Jy ! Total flux subtracted in 4096 components = 0.00629665 Jy ! Clean residual min=-0.001094 max=0.001045 Jy/beam ! Clean residual mean=0.000000 rms=0.000344 Jy/beam ! Combined flux in latest and established models = 0.482489 Jy keep ! Adding 236 model components to the UV plane model. ! The established model now contains 344 components and 0.482489 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2257+0743_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.143 x 4.908 at -30.14 degrees (North through East) ! Clean map min=-0.0035056 max=0.36172 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2257+0743_X_b_map.fits wmodel /vlbi/uf001/uva//J2257+0743_X_b_map.mod ! Writing 344 model components to file: /vlbi/uf001/uva//J2257+0743_X_b_map.mod wobs /vlbi/uf001/uva//J2257+0743_X_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2257+0743_X_b_uvs.fits wwins /vlbi/uf001/uva//J2257+0743_X_b_map.win ! wwins: Wrote 2 windows to /vlbi/uf001/uva//J2257+0743_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.361717 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000408815 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.339062 0.339062 0.678125 1.35625 2.7125 5.425 10.85 21.7 43.4 86.8 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.361 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 884.792 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2257+0743_X_b_dfm.log closed on Mon Jan 14 06:28:42 2019