! Started logfile: /vlbi/bp222/maps//J2157+3127_X_dfm.log on Thu Sep 27 11:39:45 2018 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/bp222/maps//J2157+3127_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2157+3127_X_uva.fits ! AN table 1: 16 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.964286 visibilities/baseline/integration-bin. ! Found source: J2157+3127 ! ! 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 3888 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 J2157+3127_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 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.032660Jy sigma=13.025045 ! Fit after self-cal, rms=0.677466Jy sigma=7.908475 ! 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=0.6686 mas, bmaj=2.544 mas, bpa=-26.24 degrees ! Estimated noise=1.9744 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 = 0.275531 Jy ! Component: 100 - total flux cleaned = 0.341485 Jy ! Total flux subtracted in 100 components = 0.341485 Jy ! Clean residual min=-0.020461 max=0.043009 Jy/beam ! Clean residual mean=0.000009 rms=0.006699 Jy/beam ! Combined flux in latest and established models = 0.341485 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.341485 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=0.107005Jy sigma=1.106076 ! Fit after self-cal, rms=0.107044Jy sigma=1.105719 ! Inverting map ! Added new window around map position (-5.2, 17.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0365248 Jy ! Component: 100 - total flux cleaned = 0.0509239 Jy ! Total flux subtracted in 100 components = 0.0509239 Jy ! Clean residual min=-0.012340 max=0.016607 Jy/beam ! Clean residual mean=0.000004 rms=0.003427 Jy/beam ! Combined flux in latest and established models = 0.392409 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 11 components and 0.392409 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=0.096847Jy sigma=0.879657 ! Fit after self-cal, rms=0.096091Jy sigma=0.865629 ! 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=0.8759 mas, bmaj=2.448 mas, bpa=-24.82 degrees ! Estimated noise=1.00177 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 = 0.0142736 Jy ! Component: 100 - total flux cleaned = 0.0225217 Jy ! Component: 150 - total flux cleaned = 0.026748 Jy ! Component: 200 - total flux cleaned = 0.0287631 Jy ! Total flux subtracted in 200 components = 0.0287631 Jy ! Clean residual min=-0.009264 max=0.008907 Jy/beam ! Clean residual mean=0.000001 rms=0.002576 Jy/beam ! Combined flux in latest and established models = 0.421172 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 34 components and 0.421172 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=0.094043Jy sigma=0.820005 ! Fit after self-cal, rms=0.094029Jy sigma=0.818463 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8759 x 2.448 at -24.82 degrees (North through East) ! Clean map min=-0.0084471 max=0.31421 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 LA 1.08 MK 1.02 ! NL 1.00 OV 0.97 PT 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.03 LA 1.10 MK 1.00 ! NL 1.05 OV 0.96 PT 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 LA 1.03 MK 1.02 ! NL 0.95 OV 0.96 PT 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 LA 1.08 MK 1.03 ! NL 1.03 OV 0.95 PT 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 LA 1.04 MK 1.01 ! NL 1.03 OV 0.98 PT 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 LA 1.05 MK 1.03 ! NL 1.09 OV 0.96 PT 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 LA 1.11 MK 1.02 ! NL 1.04 OV 0.96 PT 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 LA 1.08 MK 1.03 ! NL 1.05 OV 0.97 PT 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 LA 1.11 MK 1.01 ! NL 1.04 OV 0.96 PT 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 LA 1.11 MK 1.00 ! NL 1.06 OV 0.98 PT 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 LA 1.17 MK 1.03 ! NL 1.11 OV 0.97 PT 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 LA 1.22 MK 1.05 ! NL 1.15 OV 0.96 PT 0.99 ! ! ! Fit before self-cal, rms=0.094029Jy sigma=0.818463 ! Fit after self-cal, rms=0.099042Jy sigma=0.794103 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8829 mas, bmaj=2.431 mas, bpa=-24.79 degrees ! Estimated noise=1.01175 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 = -0.00349906 Jy ! Component: 100 - total flux cleaned = -0.00425988 Jy ! Component: 150 - total flux cleaned = -0.00436466 Jy ! Component: 200 - total flux cleaned = -0.00436503 Jy ! Total flux subtracted in 200 components = -0.00436503 Jy ! Clean residual min=-0.006350 max=0.006082 Jy/beam ! Clean residual mean=-0.000001 rms=0.001605 Jy/beam ! Combined flux in latest and established models = 0.416807 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 45 components and 0.416807 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=0.098247Jy sigma=0.792509 ! Fit after self-cal, rms=0.098431Jy sigma=0.792263 ! 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=0.098431Jy sigma=0.792263 ! Fit after self-cal, rms=0.099799Jy sigma=0.791276 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8836 mas, bmaj=2.426 mas, bpa=-24.77 degrees ! Estimated noise=1.01373 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00263581 Jy ! Component: 100 - total flux cleaned = -0.00262677 Jy ! Component: 150 - total flux cleaned = -0.00263024 Jy ! Component: 200 - total flux cleaned = -0.00256264 Jy ! Total flux subtracted in 200 components = -0.00256264 Jy ! Clean residual min=-0.005913 max=0.005772 Jy/beam ! Clean residual mean=-0.000001 rms=0.001492 Jy/beam ! Combined flux in latest and established models = 0.414245 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 51 components and 0.414245 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=0.099357Jy sigma=0.790329 ! Fit after self-cal, rms=0.099384Jy sigma=0.790142 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 = 0.000210668 Jy ! Component: 100 - total flux cleaned = 0.000211057 Jy ! Component: 150 - total flux cleaned = 0.000266329 Jy ! Component: 200 - total flux cleaned = 0.000266878 Jy ! Total flux subtracted in 200 components = 0.000266878 Jy ! Clean residual min=-0.005576 max=0.005621 Jy/beam ! Clean residual mean=-0.000000 rms=0.001461 Jy/beam ! Combined flux in latest and established models = 0.414512 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 57 components and 0.414512 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=0.099218Jy sigma=0.789642 ! Fit after self-cal, rms=0.099221Jy sigma=0.789534 ! 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=0.099221Jy sigma=0.789534 ! Fit after self-cal, rms=0.100698Jy sigma=0.788676 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8846 mas, bmaj=2.421 mas, bpa=-24.77 degrees ! Estimated noise=1.01614 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00184662 Jy ! Component: 100 - total flux cleaned = -0.00177623 Jy ! Component: 150 - total flux cleaned = -0.00183561 Jy ! Component: 200 - total flux cleaned = -0.00183552 Jy ! Total flux subtracted in 200 components = -0.00183552 Jy ! Clean residual min=-0.005264 max=0.005260 Jy/beam ! Clean residual mean=-0.000000 rms=0.001367 Jy/beam ! Combined flux in latest and established models = 0.412676 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 60 components and 0.412676 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=0.100448Jy sigma=0.788125 ! Fit after self-cal, rms=0.100473Jy sigma=0.787979 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 = 0.000178215 Jy ! Component: 100 - total flux cleaned = 0.000179036 Jy ! Component: 150 - total flux cleaned = 0.000222458 Jy ! Component: 200 - total flux cleaned = 0.000262584 Jy ! Total flux subtracted in 200 components = 0.000262584 Jy ! Clean residual min=-0.004983 max=0.005108 Jy/beam ! Clean residual mean=0.000000 rms=0.001345 Jy/beam ! Combined flux in latest and established models = 0.412939 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 60 components and 0.412939 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=0.100374Jy sigma=0.787680 ! Fit after self-cal, rms=0.100378Jy sigma=0.787593 ! 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=0.100378Jy sigma=0.787593 ! Fit after self-cal, rms=0.101619Jy sigma=0.787065 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.18 mas, bmaj=2.904 mas, bpa=19.73 degrees ! Estimated noise=1.35687 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000774784 Jy ! Component: 100 - total flux cleaned = -0.000772398 Jy ! Component: 150 - total flux cleaned = -0.000598606 Jy ! Component: 200 - total flux cleaned = -0.000401412 Jy ! Total flux subtracted in 200 components = -0.000401412 Jy ! Clean residual min=-0.007030 max=0.007034 Jy/beam ! Clean residual mean=-0.000000 rms=0.002042 Jy/beam ! Combined flux in latest and established models = 0.412537 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 67 components and 0.412537 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=0.101469Jy sigma=0.787304 ! Fit after self-cal, rms=0.101493Jy sigma=0.786908 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.20393e-05 Jy ! Component: 100 - total flux cleaned = 0.000115168 Jy ! Component: 150 - total flux cleaned = 0.000207301 Jy ! Component: 200 - total flux cleaned = 0.00034055 Jy ! Total flux subtracted in 200 components = 0.00034055 Jy ! Clean residual min=-0.006894 max=0.006863 Jy/beam ! Clean residual mean=0.000000 rms=0.002012 Jy/beam ! Combined flux in latest and established models = 0.412878 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 70 components and 0.412878 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=0.101445Jy sigma=0.786986 ! Fit after self-cal, rms=0.101448Jy sigma=0.786954 ! 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=0.8853 mas, bmaj=2.417 mas, bpa=-24.76 degrees ! Estimated noise=1.01774 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8853 x 2.417 at -24.76 degrees (North through East) ! Clean map min=-0.00453 max=0.31368 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=0.6746 mas, bmaj=2.511 mas, bpa=-26.32 degrees ! Estimated noise=2.01214 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.280333 Jy ! Component: 100 - total flux cleaned = 0.34919 Jy ! Component: 150 - total flux cleaned = 0.375353 Jy ! Component: 200 - total flux cleaned = 0.387061 Jy ! Total flux subtracted in 200 components = 0.387061 Jy ! Clean residual min=-0.008343 max=0.008328 Jy/beam ! Clean residual mean=0.000001 rms=0.002139 Jy/beam ! Combined flux in latest and established models = 0.387061 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.387061 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8853 mas, bmaj=2.417 mas, bpa=-24.76 degrees ! Estimated noise=1.01774 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 = 0.0105434 Jy ! Component: 100 - total flux cleaned = 0.0143094 Jy ! Component: 150 - total flux cleaned = 0.016859 Jy ! Component: 200 - total flux cleaned = 0.0189247 Jy ! Total flux subtracted in 200 components = 0.0189247 Jy ! Clean residual min=-0.005650 max=0.004828 Jy/beam ! Clean residual mean=-0.000000 rms=0.001460 Jy/beam ! Combined flux in latest and established models = 0.405986 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 28 components and 0.405986 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=2.18 mas, bmaj=2.904 mas, bpa=19.73 degrees ! Estimated noise=1.35687 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00336546 Jy ! Component: 100 - total flux cleaned = 0.00383373 Jy ! Component: 150 - total flux cleaned = 0.00383109 Jy ! Component: 200 - total flux cleaned = 0.00382705 Jy ! Total flux subtracted in 200 components = 0.00382705 Jy ! Clean residual min=-0.007281 max=0.007237 Jy/beam ! Clean residual mean=-0.000000 rms=0.002240 Jy/beam ! Combined flux in latest and established models = 0.409813 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 = 2.12133e-06 Jy ! Component: 100 - total flux cleaned = 0.000161545 Jy ! Component: 150 - total flux cleaned = 0.000313401 Jy ! Component: 200 - total flux cleaned = 0.000459504 Jy ! Total flux subtracted in 200 components = 0.000459504 Jy ! Clean residual min=-0.007116 max=0.007277 Jy/beam ! Clean residual mean=-0.000000 rms=0.002179 Jy/beam ! Combined flux in latest and established models = 0.410272 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 48 components and 0.410272 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8853 mas, bmaj=2.417 mas, bpa=-24.76 degrees ! Estimated noise=1.01774 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000641237 Jy ! Component: 100 - total flux cleaned = -0.00053433 Jy ! Component: 150 - total flux cleaned = -0.000256459 Jy ! Component: 200 - total flux cleaned = -0.000258504 Jy ! Total flux subtracted in 200 components = -0.000258504 Jy ! Clean residual min=-0.005289 max=0.004992 Jy/beam ! Clean residual mean=-0.000000 rms=0.001310 Jy/beam ! Combined flux in latest and established models = 0.410014 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 61 components and 0.410014 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=0.101768Jy sigma=0.787048 ! Fit after self-cal, rms=0.101709Jy sigma=0.786894 wmodel J2157+3127_X_map.mod ! Writing 61 model components to file: J2157+3127_X_map.mod wobs J2157+3127_X_uvs.fits ! Writing UV FITS file: J2157+3127_X_uvs.fits wwins J2157+3127_X_map.win ! wwins: Wrote 2 windows to J2157+3127_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 = -0.000463101 Jy ! Component: 100 - total flux cleaned = -0.00109446 Jy ! Component: 150 - total flux cleaned = -0.0019469 Jy ! Component: 200 - total flux cleaned = -0.00246787 Jy ! Component: 250 - total flux cleaned = -0.00300397 Jy ! Component: 300 - total flux cleaned = -0.00350768 Jy ! Component: 350 - total flux cleaned = -0.00398639 Jy ! Component: 400 - total flux cleaned = -0.00439064 Jy ! Component: 450 - total flux cleaned = -0.0049221 Jy ! Component: 500 - total flux cleaned = -0.0053405 Jy ! Component: 550 - total flux cleaned = -0.00578516 Jy ! Component: 600 - total flux cleaned = -0.00621199 Jy ! Component: 650 - total flux cleaned = -0.00654022 Jy ! Component: 700 - total flux cleaned = -0.0068566 Jy ! Component: 750 - total flux cleaned = -0.00704831 Jy ! Component: 800 - total flux cleaned = -0.00719764 Jy ! Component: 850 - total flux cleaned = -0.00737821 Jy ! Component: 900 - total flux cleaned = -0.00748338 Jy ! Component: 950 - total flux cleaned = -0.00751791 Jy ! Component: 1000 - total flux cleaned = -0.00755192 Jy ! Component: 1050 - total flux cleaned = -0.00764924 Jy ! Component: 1100 - total flux cleaned = -0.00768066 Jy ! Component: 1150 - total flux cleaned = -0.00764995 Jy ! Component: 1200 - total flux cleaned = -0.00761958 Jy ! Component: 1250 - total flux cleaned = -0.0075601 Jy ! Component: 1300 - total flux cleaned = -0.00761815 Jy ! Component: 1350 - total flux cleaned = -0.00764553 Jy ! Component: 1400 - total flux cleaned = -0.00758935 Jy ! Component: 1450 - total flux cleaned = -0.00758959 Jy ! Component: 1500 - total flux cleaned = -0.00756281 Jy ! Component: 1550 - total flux cleaned = -0.00758893 Jy ! Component: 1600 - total flux cleaned = -0.00758894 Jy ! Component: 1650 - total flux cleaned = -0.00756348 Jy ! Component: 1700 - total flux cleaned = -0.00753848 Jy ! Component: 1750 - total flux cleaned = -0.00748901 Jy ! Component: 1800 - total flux cleaned = -0.00741624 Jy ! Component: 1850 - total flux cleaned = -0.00736828 Jy ! Component: 1900 - total flux cleaned = -0.00727392 Jy ! Component: 1950 - total flux cleaned = -0.00713467 Jy ! Component: 2000 - total flux cleaned = -0.00697472 Jy ! Component: 2050 - total flux cleaned = -0.00688428 Jy ! Component: 2100 - total flux cleaned = -0.00672833 Jy ! Component: 2150 - total flux cleaned = -0.00659623 Jy ! Component: 2200 - total flux cleaned = -0.00648757 Jy ! Component: 2250 - total flux cleaned = -0.00635914 Jy ! Component: 2300 - total flux cleaned = -0.00629559 Jy ! Component: 2350 - total flux cleaned = -0.00619054 Jy ! Component: 2400 - total flux cleaned = -0.00614921 Jy ! Component: 2450 - total flux cleaned = -0.00610835 Jy ! Component: 2500 - total flux cleaned = -0.00604762 Jy ! Component: 2550 - total flux cleaned = -0.00602758 Jy ! Component: 2600 - total flux cleaned = -0.00596798 Jy ! Component: 2650 - total flux cleaned = -0.00588949 Jy ! Component: 2700 - total flux cleaned = -0.00590898 Jy ! Component: 2750 - total flux cleaned = -0.0058705 Jy ! Component: 2800 - total flux cleaned = -0.00588953 Jy ! Component: 2850 - total flux cleaned = -0.00587078 Jy ! Component: 2900 - total flux cleaned = -0.00590839 Jy ! Component: 2950 - total flux cleaned = -0.00588971 Jy ! Component: 3000 - total flux cleaned = -0.00590808 Jy ! Component: 3050 - total flux cleaned = -0.00583467 Jy ! Component: 3100 - total flux cleaned = -0.00583473 Jy ! Component: 3150 - total flux cleaned = -0.00583473 Jy ! Component: 3200 - total flux cleaned = -0.00576309 Jy ! Component: 3250 - total flux cleaned = -0.0057276 Jy ! Component: 3300 - total flux cleaned = -0.00570999 Jy ! Component: 3350 - total flux cleaned = -0.00565716 Jy ! Component: 3400 - total flux cleaned = -0.0056047 Jy ! Component: 3450 - total flux cleaned = -0.00553515 Jy ! Component: 3500 - total flux cleaned = -0.00548328 Jy ! Component: 3550 - total flux cleaned = -0.00543166 Jy ! Component: 3600 - total flux cleaned = -0.00536331 Jy ! Component: 3650 - total flux cleaned = -0.00527816 Jy ! Component: 3700 - total flux cleaned = -0.00522729 Jy ! Component: 3750 - total flux cleaned = -0.00507529 Jy ! Component: 3800 - total flux cleaned = -0.00499124 Jy ! Component: 3850 - total flux cleaned = -0.00494098 Jy ! Component: 3900 - total flux cleaned = -0.00484066 Jy ! Component: 3950 - total flux cleaned = -0.00477398 Jy ! Component: 4000 - total flux cleaned = -0.00469086 Jy ! Component: 4050 - total flux cleaned = -0.00462456 Jy ! Total flux subtracted in 4096 components = -0.00454185 Jy ! Clean residual min=-0.000860 max=0.000967 Jy/beam ! Clean residual mean=0.000000 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.405472 Jy keep ! Adding 246 model components to the UV plane model. ! The established model now contains 307 components and 0.405472 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2157+3127_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8853 x 2.417 at -24.76 degrees (North through East) ! Clean map min=-0.0030259 max=0.31657 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2157+3127_X_map.fits wmodel /vlbi/bp222/maps//J2157+3127_X_map.mod ! Writing 307 model components to file: /vlbi/bp222/maps//J2157+3127_X_map.mod wobs /vlbi/bp222/maps//J2157+3127_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2157+3127_X_uvs.fits wwins /vlbi/bp222/maps//J2157+3127_X_map.win ! wwins: Wrote 3 windows to /vlbi/bp222/maps//J2157+3127_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.31657 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000291408 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.276155 0.276155 0.55231 1.10462 2.20924 4.41848 8.83697 17.6739 35.3479 70.6957 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.316 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1086.34 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2157+3127_X_dfm.log closed on Thu Sep 27 11:39:49 2018