! Started logfile: /vlbi/bp222/maps//J1852+4019_X_dfm.log on Mon Jan 14 17:13:00 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/bp222/maps//J1852+4019_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1852+4019_X_uva.fits ! AN table 1: 16 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.958333 visibilities/baseline/integration-bin. ! Found source: J1852+4019 ! ! 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 6624 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 J1852+4019_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 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.080004Jy sigma=17.235458 ! Fit after self-cal, rms=0.734573Jy sigma=11.088164 ! 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=0.6833 mas, bmaj=2.089 mas, bpa=25.69 degrees ! Estimated noise=0.862745 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 = 0.22818 Jy ! Component: 100 - total flux cleaned = 0.31848 Jy ! Total flux subtracted in 100 components = 0.31848 Jy ! Clean residual min=-0.050632 max=0.159767 Jy/beam ! Clean residual mean=0.000117 rms=0.016066 Jy/beam ! Combined flux in latest and established models = 0.31848 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.31848 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=0.243856Jy sigma=3.849366 ! Fit after self-cal, rms=0.244239Jy sigma=3.842675 ! Inverting map ! Added new window around map position (-2, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.130543 Jy ! Component: 100 - total flux cleaned = 0.190058 Jy ! Total flux subtracted in 100 components = 0.190058 Jy ! Clean residual min=-0.029950 max=0.070514 Jy/beam ! Clean residual mean=0.000057 rms=0.008657 Jy/beam ! Combined flux in latest and established models = 0.508538 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 20 components and 0.508538 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=0.146457Jy sigma=2.265348 ! Fit after self-cal, rms=0.132460Jy sigma=2.068189 ! 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=0.849 mas, bmaj=2.178 mas, bpa=24.95 degrees ! Estimated noise=0.570239 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 = 0.0692882 Jy ! Component: 100 - total flux cleaned = 0.108537 Jy ! Component: 150 - total flux cleaned = 0.130869 Jy ! Component: 200 - total flux cleaned = 0.142047 Jy ! Total flux subtracted in 200 components = 0.142047 Jy ! Clean residual min=-0.017753 max=0.040319 Jy/beam ! Clean residual mean=0.000003 rms=0.005288 Jy/beam ! Combined flux in latest and established models = 0.650585 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 40 components and 0.650585 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=0.083986Jy sigma=1.270890 ! Fit after self-cal, rms=0.080339Jy sigma=1.207458 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.849 x 2.178 at 24.95 degrees (North through East) ! Clean map min=-0.019007 max=0.30037 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.95 HN 1.00 KP 1.02 ! LA 0.96 MK 1.11 NL 1.06 PT 0.93 ! SC 0.88 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 1.00 KP 1.02 ! LA 0.95 MK 1.10 NL 1.08 PT 0.93 ! SC 0.86 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.95 HN 1.00 KP 1.02 ! LA 0.96 MK 1.13 NL 1.06 PT 0.93 ! SC 0.85 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HN 0.99 KP 1.02 ! LA 0.98 MK 1.14 NL 1.08 PT 0.93 ! SC 0.84 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 HN 0.99 KP 1.02 ! LA 0.97 MK 1.12 NL 1.07 PT 0.95 ! SC 0.85 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 0.99 KP 1.02 ! LA 0.99 MK 1.09 NL 1.05 PT 0.93 ! SC 0.85 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 0.98 KP 1.02 ! LA 0.98 MK 1.13 NL 1.04 PT 0.94 ! SC 0.86 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HN 1.01 KP 1.02 ! LA 0.97 MK 1.08 NL 1.07 PT 0.94 ! SC 0.88 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 0.99 KP 1.03 ! LA 0.98 MK 1.09 NL 1.10 PT 0.93 ! SC 0.85 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 1.02 KP 1.02 ! LA 0.99 MK 1.09 NL 1.10 PT 0.93 ! SC 0.85 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HN 1.01 KP 1.05 ! LA 0.98 MK 1.07 NL 1.09 PT 0.93 ! SC 0.86 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.95 HN 1.03 KP 1.05 ! LA 0.98 MK 1.08 NL 1.12 PT 0.94 ! SC 0.85 ! ! ! Fit before self-cal, rms=0.080339Jy sigma=1.207458 ! Fit after self-cal, rms=0.071449Jy sigma=1.074854 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.84 mas, bmaj=2.174 mas, bpa=26.23 degrees ! Estimated noise=0.554051 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 = 0.00166203 Jy ! Component: 100 - total flux cleaned = 0.00444085 Jy ! Component: 150 - total flux cleaned = 0.00627199 Jy ! Component: 200 - total flux cleaned = 0.00711865 Jy ! Total flux subtracted in 200 components = 0.00711865 Jy ! Clean residual min=-0.008380 max=0.009960 Jy/beam ! Clean residual mean=0.000003 rms=0.002004 Jy/beam ! Combined flux in latest and established models = 0.657704 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 50 components and 0.657704 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=0.063254Jy sigma=0.971753 ! Fit after self-cal, rms=0.062835Jy sigma=0.964065 ! 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=0.062835Jy sigma=0.964065 ! Fit after self-cal, rms=0.060895Jy sigma=0.957309 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8343 mas, bmaj=2.169 mas, bpa=26.31 degrees ! Estimated noise=0.543814 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00100099 Jy ! Component: 100 - total flux cleaned = 0.00253095 Jy ! Component: 150 - total flux cleaned = 0.00221559 Jy ! Component: 200 - total flux cleaned = 0.00193489 Jy ! Total flux subtracted in 200 components = 0.00193489 Jy ! Clean residual min=-0.006318 max=0.007512 Jy/beam ! Clean residual mean=0.000004 rms=0.001469 Jy/beam ! Combined flux in latest and established models = 0.659639 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 54 components and 0.659639 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=0.059282Jy sigma=0.938087 ! Fit after self-cal, rms=0.059232Jy sigma=0.936616 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 (0, 13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00451272 Jy ! Component: 100 - total flux cleaned = 0.00593755 Jy ! Component: 150 - total flux cleaned = 0.00594487 Jy ! Component: 200 - total flux cleaned = 0.00581476 Jy ! Total flux subtracted in 200 components = 0.00581476 Jy ! Clean residual min=-0.005230 max=0.005106 Jy/beam ! Clean residual mean=0.000002 rms=0.001093 Jy/beam ! Combined flux in latest and established models = 0.665453 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 76 components and 0.665453 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=0.058129Jy sigma=0.920734 ! Fit after self-cal, rms=0.058098Jy sigma=0.920305 ! 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=0.058098Jy sigma=0.920305 ! Fit after self-cal, rms=0.057726Jy sigma=0.919220 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8331 mas, bmaj=2.166 mas, bpa=26.26 degrees ! Estimated noise=0.54173 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000689897 Jy ! Component: 100 - total flux cleaned = 0.00104622 Jy ! Component: 150 - total flux cleaned = 0.00115111 Jy ! Component: 200 - total flux cleaned = 0.00096316 Jy ! Total flux subtracted in 200 components = 0.00096316 Jy ! Clean residual min=-0.004531 max=0.004174 Jy/beam ! Clean residual mean=0.000004 rms=0.000944 Jy/beam ! Combined flux in latest and established models = 0.666417 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 85 components and 0.666417 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=0.057301Jy sigma=0.913466 ! Fit after self-cal, rms=0.057289Jy sigma=0.913342 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 = 0.000299682 Jy ! Component: 100 - total flux cleaned = 0.000135034 Jy ! Component: 150 - total flux cleaned = 5.96453e-05 Jy ! Component: 200 - total flux cleaned = -0.00022875 Jy ! Total flux subtracted in 200 components = -0.00022875 Jy ! Clean residual min=-0.004368 max=0.003826 Jy/beam ! Clean residual mean=0.000004 rms=0.000878 Jy/beam ! Combined flux in latest and established models = 0.666188 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 94 components and 0.666188 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=0.057070Jy sigma=0.910422 ! Fit after self-cal, rms=0.057068Jy sigma=0.910384 ! 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=0.057068Jy sigma=0.910384 ! Fit after self-cal, rms=0.056879Jy sigma=0.910048 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.972 mas, bmaj=2.578 mas, bpa=19.39 degrees ! Estimated noise=0.716399 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00179443 Jy ! Component: 100 - total flux cleaned = 0.00160163 Jy ! Component: 150 - total flux cleaned = 0.00149098 Jy ! Component: 200 - total flux cleaned = 0.00139239 Jy ! Total flux subtracted in 200 components = 0.00139239 Jy ! Clean residual min=-0.003439 max=0.004152 Jy/beam ! Clean residual mean=0.000014 rms=0.000916 Jy/beam ! Combined flux in latest and established models = 0.66758 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 108 components and 0.66758 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=0.056829Jy sigma=0.908883 ! Fit after self-cal, rms=0.056808Jy sigma=0.908660 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 = 0.000832335 Jy ! Component: 100 - total flux cleaned = 0.00074597 Jy ! Component: 150 - total flux cleaned = 0.000629007 Jy ! Component: 200 - total flux cleaned = 0.000521385 Jy ! Total flux subtracted in 200 components = 0.000521385 Jy ! Clean residual min=-0.003126 max=0.003789 Jy/beam ! Clean residual mean=0.000014 rms=0.000874 Jy/beam ! Combined flux in latest and established models = 0.668101 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 116 components and 0.668101 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=0.056794Jy sigma=0.908268 ! Fit after self-cal, rms=0.056787Jy sigma=0.908187 ! Inverting map ! Added new window around map position (19.8, -5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00336435 Jy ! Component: 100 - total flux cleaned = 0.00376805 Jy ! Component: 150 - total flux cleaned = 0.00400549 Jy ! Component: 200 - total flux cleaned = 0.00436271 Jy ! Total flux subtracted in 200 components = 0.00436271 Jy ! Clean residual min=-0.002234 max=0.002468 Jy/beam ! Clean residual mean=0.000010 rms=0.000604 Jy/beam ! Combined flux in latest and established models = 0.672464 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 145 components and 0.672464 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=0.056638Jy sigma=0.905840 ! Fit after self-cal, rms=0.056634Jy sigma=0.905781 ! 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=0.8328 mas, bmaj=2.166 mas, bpa=26.22 degrees ! Estimated noise=0.540391 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8328 x 2.166 at 26.22 degrees (North through East) ! Clean map min=-0.0034341 max=0.28526 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=0.6709 mas, bmaj=2.091 mas, bpa=26.88 degrees ! Estimated noise=0.807992 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.243584 Jy ! Component: 100 - total flux cleaned = 0.366348 Jy ! Component: 150 - total flux cleaned = 0.433358 Jy ! Component: 200 - total flux cleaned = 0.478632 Jy ! Total flux subtracted in 200 components = 0.478632 Jy ! Clean residual min=-0.017391 max=0.025955 Jy/beam ! Clean residual mean=0.000052 rms=0.005097 Jy/beam ! Combined flux in latest and established models = 0.478632 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.478632 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8328 mas, bmaj=2.166 mas, bpa=26.22 degrees ! Estimated noise=0.540391 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 = 0.0519901 Jy ! Component: 100 - total flux cleaned = 0.0845231 Jy ! Component: 150 - total flux cleaned = 0.107147 Jy ! Component: 200 - total flux cleaned = 0.123978 Jy ! Total flux subtracted in 200 components = 0.123978 Jy ! Clean residual min=-0.007008 max=0.012070 Jy/beam ! Clean residual mean=0.000012 rms=0.003060 Jy/beam ! Combined flux in latest and established models = 0.60261 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 50 components and 0.60261 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=1.972 mas, bmaj=2.578 mas, bpa=19.39 degrees ! Estimated noise=0.716399 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0267858 Jy ! Component: 100 - total flux cleaned = 0.0410371 Jy ! Component: 150 - total flux cleaned = 0.0495357 Jy ! Component: 200 - total flux cleaned = 0.0550804 Jy ! Total flux subtracted in 200 components = 0.0550804 Jy ! Clean residual min=-0.004426 max=0.004923 Jy/beam ! Clean residual mean=0.000008 rms=0.001331 Jy/beam ! Combined flux in latest and established models = 0.65769 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 = 0.00406821 Jy ! Component: 100 - total flux cleaned = 0.00536879 Jy ! Component: 150 - total flux cleaned = 0.0064476 Jy ! Component: 200 - total flux cleaned = 0.00726157 Jy ! Total flux subtracted in 200 components = 0.00726157 Jy ! Clean residual min=-0.003035 max=0.002620 Jy/beam ! Clean residual mean=0.000008 rms=0.000745 Jy/beam ! Combined flux in latest and established models = 0.664952 Jy ! Adding 82 model components to the UV plane model. ! The established model now contains 125 components and 0.664952 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8328 mas, bmaj=2.166 mas, bpa=26.22 degrees ! Estimated noise=0.540391 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00136573 Jy ! Component: 100 - total flux cleaned = 0.000732812 Jy ! Component: 150 - total flux cleaned = 0.000751631 Jy ! Component: 200 - total flux cleaned = 0.000632915 Jy ! Total flux subtracted in 200 components = 0.000632915 Jy ! Clean residual min=-0.003626 max=0.003530 Jy/beam ! Clean residual mean=0.000004 rms=0.000767 Jy/beam ! Combined flux in latest and established models = 0.665585 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 142 components and 0.665585 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=0.056924Jy sigma=0.909093 ! Fit after self-cal, rms=0.056780Jy sigma=0.907377 wmodel J1852+4019_X_map.mod ! Writing 142 model components to file: J1852+4019_X_map.mod wobs J1852+4019_X_uvs.fits ! Writing UV FITS file: J1852+4019_X_uvs.fits wwins J1852+4019_X_map.win ! wwins: Wrote 4 windows to J1852+4019_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 = -0.000312778 Jy ! Component: 100 - total flux cleaned = -0.000425431 Jy ! Component: 150 - total flux cleaned = -0.000525582 Jy ! Component: 200 - total flux cleaned = -0.000713704 Jy ! Component: 250 - total flux cleaned = -0.000938191 Jy ! Component: 300 - total flux cleaned = -0.00115494 Jy ! Component: 350 - total flux cleaned = -0.00127983 Jy ! Component: 400 - total flux cleaned = -0.00139919 Jy ! Component: 450 - total flux cleaned = -0.00143686 Jy ! Component: 500 - total flux cleaned = -0.00151131 Jy ! Component: 550 - total flux cleaned = -0.00147596 Jy ! Component: 600 - total flux cleaned = -0.00147607 Jy ! Component: 650 - total flux cleaned = -0.00151017 Jy ! Component: 700 - total flux cleaned = -0.00164223 Jy ! Component: 750 - total flux cleaned = -0.00176934 Jy ! Component: 800 - total flux cleaned = -0.00180001 Jy ! Component: 850 - total flux cleaned = -0.00183031 Jy ! Component: 900 - total flux cleaned = -0.00197817 Jy ! Component: 950 - total flux cleaned = -0.00209313 Jy ! Component: 1000 - total flux cleaned = -0.00226153 Jy ! Component: 1050 - total flux cleaned = -0.00245328 Jy ! Component: 1100 - total flux cleaned = -0.00264052 Jy ! Component: 1150 - total flux cleaned = -0.00284954 Jy ! Component: 1200 - total flux cleaned = -0.00297702 Jy ! Component: 1250 - total flux cleaned = -0.00307794 Jy ! Component: 1300 - total flux cleaned = -0.00332459 Jy ! Component: 1350 - total flux cleaned = -0.0035425 Jy ! Component: 1400 - total flux cleaned = -0.00370873 Jy ! Component: 1450 - total flux cleaned = -0.00387199 Jy ! Component: 1500 - total flux cleaned = -0.00398645 Jy ! Component: 1550 - total flux cleaned = -0.00416678 Jy ! Component: 1600 - total flux cleaned = -0.00427748 Jy ! Component: 1650 - total flux cleaned = -0.00440855 Jy ! Component: 1700 - total flux cleaned = -0.00445111 Jy ! Component: 1750 - total flux cleaned = -0.00445116 Jy ! Component: 1800 - total flux cleaned = -0.00451414 Jy ! Component: 1850 - total flux cleaned = -0.00453446 Jy ! Component: 1900 - total flux cleaned = -0.00451389 Jy ! Component: 1950 - total flux cleaned = -0.00439428 Jy ! Component: 2000 - total flux cleaned = -0.00439411 Jy ! Component: 2050 - total flux cleaned = -0.00433641 Jy ! Component: 2100 - total flux cleaned = -0.00428006 Jy ! Component: 2150 - total flux cleaned = -0.00426123 Jy ! Component: 2200 - total flux cleaned = -0.0042052 Jy ! Component: 2250 - total flux cleaned = -0.00411415 Jy ! Component: 2300 - total flux cleaned = -0.00407794 Jy ! Component: 2350 - total flux cleaned = -0.00406004 Jy ! Component: 2400 - total flux cleaned = -0.00404194 Jy ! Component: 2450 - total flux cleaned = -0.00405901 Jy ! Component: 2500 - total flux cleaned = -0.00393929 Jy ! Component: 2550 - total flux cleaned = -0.00392241 Jy ! Component: 2600 - total flux cleaned = -0.00388899 Jy ! Component: 2650 - total flux cleaned = -0.00385615 Jy ! Component: 2700 - total flux cleaned = -0.0037751 Jy ! Component: 2750 - total flux cleaned = -0.00382352 Jy ! Component: 2800 - total flux cleaned = -0.00380772 Jy ! Component: 2850 - total flux cleaned = -0.00376071 Jy ! Component: 2900 - total flux cleaned = -0.00379154 Jy ! Component: 2950 - total flux cleaned = -0.00371488 Jy ! Component: 3000 - total flux cleaned = -0.00371473 Jy ! Component: 3050 - total flux cleaned = -0.00366989 Jy ! Component: 3100 - total flux cleaned = -0.00368484 Jy ! Component: 3150 - total flux cleaned = -0.00368434 Jy ! Component: 3200 - total flux cleaned = -0.00369883 Jy ! Component: 3250 - total flux cleaned = -0.0036411 Jy ! Component: 3300 - total flux cleaned = -0.00362669 Jy ! Component: 3350 - total flux cleaned = -0.00358431 Jy ! Component: 3400 - total flux cleaned = -0.0035703 Jy ! Component: 3450 - total flux cleaned = -0.00350121 Jy ! Component: 3500 - total flux cleaned = -0.00350121 Jy ! Component: 3550 - total flux cleaned = -0.00348759 Jy ! Component: 3600 - total flux cleaned = -0.00346074 Jy ! Component: 3650 - total flux cleaned = -0.0034741 Jy ! Component: 3700 - total flux cleaned = -0.00347422 Jy ! Component: 3750 - total flux cleaned = -0.00350027 Jy ! Component: 3800 - total flux cleaned = -0.00350024 Jy ! Component: 3850 - total flux cleaned = -0.00351316 Jy ! Component: 3900 - total flux cleaned = -0.00348767 Jy ! Component: 3950 - total flux cleaned = -0.00352565 Jy ! Component: 4000 - total flux cleaned = -0.00353823 Jy ! Component: 4050 - total flux cleaned = -0.00353817 Jy ! Total flux subtracted in 4096 components = -0.00356272 Jy ! Clean residual min=-0.000741 max=0.000865 Jy/beam ! Clean residual mean=-0.000000 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.662022 Jy keep ! Adding 256 model components to the UV plane model. ! The established model now contains 398 components and 0.662022 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1852+4019_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8328 x 2.166 at 26.22 degrees (North through East) ! Clean map min=-0.0020391 max=0.29129 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1852+4019_X_map.fits wmodel /vlbi/bp222/maps//J1852+4019_X_map.mod ! Writing 398 model components to file: /vlbi/bp222/maps//J1852+4019_X_map.mod wobs /vlbi/bp222/maps//J1852+4019_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1852+4019_X_uvs.fits wwins /vlbi/bp222/maps//J1852+4019_X_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J1852+4019_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.291292 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000209072 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.215322 0.215322 0.430643 0.861286 1.72257 3.44515 6.89029 13.7806 27.5612 55.1223 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.291 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1393.26 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1852+4019_X_dfm.log closed on Mon Jan 14 17:13:05 2019