! Started logfile: /vlbi/uf001/uva//J1547+4937_X_b_dfm.log on Mon Jan 14 03:27:45 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//J1547+4937_X_b_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1547+4937_X_b_uva.fits ! AN table 1: 148 integrations on 10 of 10 possible baselines. ! Apparent sampling: 0.65 visibilities/baseline/integration-bin. ! Found source: J1547+4937 ! ! 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 11544 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 J1547+4937_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 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002983Jy sigma=22.032389 ! Fit after self-cal, rms=0.961164Jy sigma=21.122317 ! 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=3.919 mas, bmaj=9.898 mas, bpa=-13.11 degrees ! Estimated noise=1.11077 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=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0300632 Jy ! Component: 100 - total flux cleaned = 0.0315171 Jy ! Total flux subtracted in 100 components = 0.0315171 Jy ! Clean residual min=-0.004383 max=0.004439 Jy/beam ! Clean residual mean=-0.000027 rms=0.001702 Jy/beam ! Combined flux in latest and established models = 0.0315171 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0315171 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=0.052086Jy sigma=1.069385 ! Fit after self-cal, rms=0.050820Jy sigma=1.045875 ! 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=4.155 mas, bmaj=9.905 mas, bpa=-13.43 degrees ! Estimated noise=0.307709 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 = 0.000924307 Jy ! Component: 100 - total flux cleaned = 0.000525719 Jy ! Component: 150 - total flux cleaned = 0.000487323 Jy ! Component: 200 - total flux cleaned = 0.000311389 Jy ! Total flux subtracted in 200 components = 0.000311389 Jy ! Clean residual min=-0.001307 max=0.001310 Jy/beam ! Clean residual mean=0.000014 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.0318285 Jy ! Performing phase self-cal ! Adding 67 model components to the UV plane model. ! The established model now contains 77 components and 0.0318285 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=0.049639Jy sigma=1.019562 ! Fit after self-cal, rms=0.049148Jy sigma=1.015562 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.155 x 9.905 at -13.43 degrees (North through East) ! Clean map min=-0.0065891 max=0.038085 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 1.07 LA 0.91 OV 1.11 ! PT 1.00 ! ! ! Correcting IF 2. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 0.99 LA 0.92 OV 1.08 ! PT 1.09 ! ! ! Correcting IF 3. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 1.03 LA 0.96 OV 1.06 ! PT 1.02 ! ! ! Correcting IF 4. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 KP 0.96 LA 0.92 OV 0.97 ! PT 1.19 ! ! ! Correcting IF 5. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 KP 1.19 LA 0.87 OV 1.03 ! PT 1.09 ! ! ! Correcting IF 6. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 KP 1.11 LA 0.79 OV 1.05 ! PT 1.10 ! ! ! Correcting IF 7. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 1.11 LA 0.82 OV 1.16 ! PT 0.98 ! ! ! Correcting IF 8. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 KP 1.20 LA 0.90 OV 1.03 ! PT 0.98 ! ! ! Correcting IF 9. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 1.02 LA 0.87 OV 1.08 ! PT 0.96 ! ! ! Correcting IF 10. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 KP 1.06 LA 0.89 OV 0.98 ! PT 1.00 ! ! ! Correcting IF 11. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 KP 1.00 LA 0.89 OV 1.01 ! PT 1.02 ! ! ! Correcting IF 12. ! A total of 216 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 KP 0.97 LA 0.84 OV 1.02 ! PT 0.98 ! ! ! Fit before self-cal, rms=0.049148Jy sigma=1.015562 ! Fit after self-cal, rms=0.050007Jy sigma=1.049067 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.824 mas, bmaj=8.517 mas, bpa=-14.56 degrees ! Estimated noise=0.353857 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 = 0.000141276 Jy ! Component: 100 - total flux cleaned = -0.000121193 Jy ! Component: 150 - total flux cleaned = -0.000305217 Jy ! Component: 200 - total flux cleaned = -0.000455878 Jy ! Total flux subtracted in 200 components = -0.000455878 Jy ! Clean residual min=-0.000408 max=0.000413 Jy/beam ! Clean residual mean=0.000001 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.0313726 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 124 components and 0.0313726 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=0.049979Jy sigma=1.048467 ! Fit after self-cal, rms=0.049809Jy sigma=1.046160 ! 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=0.049809Jy sigma=1.046160 ! Fit after self-cal, rms=0.051063Jy sigma=1.045605 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.851 mas, bmaj=8.429 mas, bpa=-14.92 degrees ! Estimated noise=0.36301 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000402348 Jy ! Component: 100 - total flux cleaned = -0.000913271 Jy ! Component: 150 - total flux cleaned = -0.00114662 Jy ! Component: 200 - total flux cleaned = -0.00124454 Jy ! Total flux subtracted in 200 components = -0.00124454 Jy ! Clean residual min=-0.000404 max=0.000406 Jy/beam ! Clean residual mean=0.000001 rms=0.000127 Jy/beam ! Combined flux in latest and established models = 0.030128 Jy selfcal ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 167 components and 0.030128 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=0.051034Jy sigma=1.045019 ! Fit after self-cal, rms=0.051006Jy sigma=1.044130 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 = -0.000361001 Jy ! Component: 100 - total flux cleaned = -0.000522882 Jy ! Component: 150 - total flux cleaned = -0.000740012 Jy ! Component: 200 - total flux cleaned = -0.000852566 Jy ! Total flux subtracted in 200 components = -0.000852566 Jy ! Clean residual min=-0.000298 max=0.000297 Jy/beam ! Clean residual mean=-0.000001 rms=0.000107 Jy/beam ! Combined flux in latest and established models = 0.0292755 Jy ! Performing phase self-cal ! Adding 71 model components to the UV plane model. ! The established model now contains 231 components and 0.0292755 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=0.050975Jy sigma=1.043539 ! Fit after self-cal, rms=0.050917Jy sigma=1.042664 ! 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=0.050917Jy sigma=1.042664 ! Fit after self-cal, rms=0.051829Jy sigma=1.042513 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.859 mas, bmaj=8.399 mas, bpa=-15.06 degrees ! Estimated noise=0.367644 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000320199 Jy ! Component: 100 - total flux cleaned = -0.000779048 Jy ! Component: 150 - total flux cleaned = -0.000940712 Jy ! Component: 200 - total flux cleaned = -0.00102925 Jy ! Total flux subtracted in 200 components = -0.00102925 Jy ! Clean residual min=-0.000363 max=0.000362 Jy/beam ! Clean residual mean=-0.000001 rms=0.000116 Jy/beam ! Combined flux in latest and established models = 0.0282462 Jy selfcal ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 262 components and 0.0282462 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=0.051805Jy sigma=1.042008 ! Fit after self-cal, rms=0.051793Jy sigma=1.041117 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 = -0.000206064 Jy ! Component: 100 - total flux cleaned = -0.000438569 Jy ! Component: 150 - total flux cleaned = -0.000437967 Jy ! Component: 200 - total flux cleaned = -0.000402049 Jy ! Total flux subtracted in 200 components = -0.000402049 Jy ! Clean residual min=-0.000286 max=0.000285 Jy/beam ! Clean residual mean=-0.000001 rms=0.000103 Jy/beam ! Combined flux in latest and established models = 0.0278442 Jy ! Performing phase self-cal ! Adding 64 model components to the UV plane model. ! The established model now contains 309 components and 0.0278442 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=0.051773Jy sigma=1.040690 ! Fit after self-cal, rms=0.051758Jy sigma=1.040482 ! Inverting map ! Added new window around map position (48.2, 32.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000614876 Jy ! Component: 100 - total flux cleaned = 0.000833253 Jy ! Component: 150 - total flux cleaned = 0.000931685 Jy ! Component: 200 - total flux cleaned = 0.00100266 Jy ! Total flux subtracted in 200 components = 0.00100266 Jy ! Clean residual min=-0.000436 max=0.000423 Jy/beam ! Clean residual mean=-0.000003 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.0288468 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 340 components and 0.0288468 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=0.051751Jy sigma=1.040336 ! Fit after self-cal, rms=0.051735Jy sigma=1.040039 ! 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=0.051735Jy sigma=1.040039 ! Fit after self-cal, rms=0.052384Jy sigma=1.039935 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.022 mas, bmaj=8.313 mas, bpa=-15.42 degrees ! Estimated noise=0.373182 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000533569 Jy ! Component: 100 - total flux cleaned = 0.000805328 Jy ! Component: 150 - total flux cleaned = 0.00102089 Jy ! Component: 200 - total flux cleaned = 0.00120791 Jy ! Total flux subtracted in 200 components = 0.00120791 Jy ! Clean residual min=-0.000576 max=0.000473 Jy/beam ! Clean residual mean=-0.000004 rms=0.000171 Jy/beam ! Combined flux in latest and established models = 0.0300547 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 358 components and 0.0300548 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=0.052378Jy sigma=1.039810 ! Fit after self-cal, rms=0.052405Jy sigma=1.039673 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 = 0.000427002 Jy ! Component: 100 - total flux cleaned = 0.00060306 Jy ! Component: 150 - total flux cleaned = 0.000762396 Jy ! Component: 200 - total flux cleaned = 0.000921627 Jy ! Total flux subtracted in 200 components = 0.000921627 Jy ! Clean residual min=-0.000559 max=0.000495 Jy/beam ! Clean residual mean=-0.000005 rms=0.000176 Jy/beam ! Combined flux in latest and established models = 0.0309764 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 387 components and 0.0309764 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=0.052401Jy sigma=1.039593 ! Fit after self-cal, rms=0.052400Jy sigma=1.039559 ! 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=3.858 mas, bmaj=8.4 mas, bpa=-15.1 degrees ! Estimated noise=0.370151 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.858 x 8.4 at -15.1 degrees (North through East) ! Clean map min=-0.0043868 max=0.037105 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=3.703 mas, bmaj=8.627 mas, bpa=-14.16 degrees ! Estimated noise=1.08398 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00621411 Jy ! Component: 100 - total flux cleaned = -0.00238333 Jy ! Component: 150 - total flux cleaned = 0.00278159 Jy ! Component: 200 - total flux cleaned = 0.00732578 Jy ! Total flux subtracted in 200 components = 0.00732578 Jy ! Clean residual min=-0.016993 max=0.030354 Jy/beam ! Clean residual mean=-0.000160 rms=0.007315 Jy/beam ! Combined flux in latest and established models = 0.00732578 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 35 model components to the UV plane model. ! The established model now contains 35 components and 0.00732578 Jy ! Inverting map and beam ! Estimated beam: bmin=3.858 mas, bmaj=8.4 mas, bpa=-15.1 degrees ! Estimated noise=0.370151 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) ! Added new window around map position (0, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0246587 Jy ! Component: 100 - total flux cleaned = 0.021094 Jy ! Component: 150 - total flux cleaned = 0.0199263 Jy ! Component: 200 - total flux cleaned = 0.0199317 Jy ! Total flux subtracted in 200 components = 0.0199317 Jy ! Clean residual min=-0.005426 max=0.004379 Jy/beam ! Clean residual mean=-0.000063 rms=0.001598 Jy/beam ! Combined flux in latest and established models = 0.0272575 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 62 components and 0.0272575 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=4.022 mas, bmaj=8.313 mas, bpa=-15.42 degrees ! Estimated noise=0.373182 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000787419 Jy ! Component: 100 - total flux cleaned = 0.0022177 Jy ! Component: 150 - total flux cleaned = 0.00354591 Jy ! Component: 200 - total flux cleaned = 0.00451953 Jy ! Total flux subtracted in 200 components = 0.00451953 Jy ! Clean residual min=-0.003397 max=0.002708 Jy/beam ! Clean residual mean=-0.000046 rms=0.001008 Jy/beam ! Combined flux in latest and established models = 0.0317771 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 = 0.000840577 Jy ! Component: 100 - total flux cleaned = 0.00145336 Jy ! Component: 150 - total flux cleaned = 0.00200534 Jy ! Component: 200 - total flux cleaned = 0.00262202 Jy ! Total flux subtracted in 200 components = 0.00262202 Jy ! Clean residual min=-0.002555 max=0.002284 Jy/beam ! Clean residual mean=-0.000033 rms=0.000734 Jy/beam ! Combined flux in latest and established models = 0.0343991 Jy ! Adding 93 model components to the UV plane model. ! The established model now contains 145 components and 0.0343991 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.858 mas, bmaj=8.4 mas, bpa=-15.1 degrees ! Estimated noise=0.370151 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000250481 Jy ! Component: 100 - total flux cleaned = 0.000638805 Jy ! Component: 150 - total flux cleaned = 0.0011334 Jy ! Component: 200 - total flux cleaned = 0.00142835 Jy ! Total flux subtracted in 200 components = 0.00142835 Jy ! Clean residual min=-0.002380 max=0.001846 Jy/beam ! Clean residual mean=-0.000020 rms=0.000588 Jy/beam ! Combined flux in latest and established models = 0.0358274 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 174 components and 0.0358274 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=0.052727Jy sigma=1.047322 ! Fit after self-cal, rms=0.052503Jy sigma=1.043085 wmodel J1547+4937_X_b_map.mod ! Writing 174 model components to file: J1547+4937_X_b_map.mod wobs J1547+4937_X_b_uvs.fits ! Writing UV FITS file: J1547+4937_X_b_uvs.fits wwins J1547+4937_X_b_map.win ! wwins: Wrote 2 windows to J1547+4937_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 = -0.00065848 Jy ! Component: 100 - total flux cleaned = -0.00115222 Jy ! Component: 150 - total flux cleaned = -0.00150794 Jy ! Component: 200 - total flux cleaned = -0.00180764 Jy ! Component: 250 - total flux cleaned = -0.00197953 Jy ! Component: 300 - total flux cleaned = -0.00208867 Jy ! Component: 350 - total flux cleaned = -0.00220721 Jy ! Component: 400 - total flux cleaned = -0.00229704 Jy ! Component: 450 - total flux cleaned = -0.00237272 Jy ! Component: 500 - total flux cleaned = -0.00243513 Jy ! Component: 550 - total flux cleaned = -0.00250971 Jy ! Component: 600 - total flux cleaned = -0.00255943 Jy ! Component: 650 - total flux cleaned = -0.00259675 Jy ! Component: 700 - total flux cleaned = -0.00264643 Jy ! Component: 750 - total flux cleaned = -0.00267141 Jy ! Component: 800 - total flux cleaned = -0.00270879 Jy ! Component: 850 - total flux cleaned = -0.00273386 Jy ! Component: 900 - total flux cleaned = -0.00275901 Jy ! Component: 950 - total flux cleaned = -0.00278443 Jy ! Component: 1000 - total flux cleaned = -0.00280972 Jy ! Component: 1050 - total flux cleaned = -0.00282245 Jy ! Component: 1100 - total flux cleaned = -0.0028481 Jy ! Component: 1150 - total flux cleaned = -0.0028868 Jy ! Component: 1200 - total flux cleaned = -0.002913 Jy ! Component: 1250 - total flux cleaned = -0.00295249 Jy ! Component: 1300 - total flux cleaned = -0.00296582 Jy ! Component: 1350 - total flux cleaned = -0.00297918 Jy ! Component: 1400 - total flux cleaned = -0.00297915 Jy ! Component: 1450 - total flux cleaned = -0.00297926 Jy ! Component: 1500 - total flux cleaned = -0.00296508 Jy ! Component: 1550 - total flux cleaned = -0.00296533 Jy ! Component: 1600 - total flux cleaned = -0.00296565 Jy ! Component: 1650 - total flux cleaned = -0.00295071 Jy ! Component: 1700 - total flux cleaned = -0.00295057 Jy ! Component: 1750 - total flux cleaned = -0.00293483 Jy ! Component: 1800 - total flux cleaned = -0.00295088 Jy ! Component: 1850 - total flux cleaned = -0.00293429 Jy ! Component: 1900 - total flux cleaned = -0.00293453 Jy ! Component: 1950 - total flux cleaned = -0.00290049 Jy ! Component: 2000 - total flux cleaned = -0.0028827 Jy ! Component: 2050 - total flux cleaned = -0.0028827 Jy ! Component: 2100 - total flux cleaned = -0.00286409 Jy ! Component: 2150 - total flux cleaned = -0.00284527 Jy ! Component: 2200 - total flux cleaned = -0.00282578 Jy ! Component: 2250 - total flux cleaned = -0.00280595 Jy ! Component: 2300 - total flux cleaned = -0.00278555 Jy ! Component: 2350 - total flux cleaned = -0.0027649 Jy ! Component: 2400 - total flux cleaned = -0.00272237 Jy ! Component: 2450 - total flux cleaned = -0.00267837 Jy ! Component: 2500 - total flux cleaned = -0.00267845 Jy ! Component: 2550 - total flux cleaned = -0.00263264 Jy ! Component: 2600 - total flux cleaned = -0.00258545 Jy ! Component: 2650 - total flux cleaned = -0.00256127 Jy ! Component: 2700 - total flux cleaned = -0.00251178 Jy ! Component: 2750 - total flux cleaned = -0.0024609 Jy ! Component: 2800 - total flux cleaned = -0.00238262 Jy ! Component: 2850 - total flux cleaned = -0.00235637 Jy ! Component: 2900 - total flux cleaned = -0.00232946 Jy ! Component: 2950 - total flux cleaned = -0.00232966 Jy ! Component: 3000 - total flux cleaned = -0.00227216 Jy ! Component: 3050 - total flux cleaned = -0.00227256 Jy ! Component: 3100 - total flux cleaned = -0.00224236 Jy ! Component: 3150 - total flux cleaned = -0.00224278 Jy ! Component: 3200 - total flux cleaned = -0.00221082 Jy ! Component: 3250 - total flux cleaned = -0.00214389 Jy ! Component: 3300 - total flux cleaned = -0.00214355 Jy ! Component: 3350 - total flux cleaned = -0.00210826 Jy ! Component: 3400 - total flux cleaned = -0.00210778 Jy ! Component: 3450 - total flux cleaned = -0.0021085 Jy ! Component: 3500 - total flux cleaned = -0.00207089 Jy ! Component: 3550 - total flux cleaned = -0.00203192 Jy ! Component: 3600 - total flux cleaned = -0.00199197 Jy ! Component: 3650 - total flux cleaned = -0.00199218 Jy ! Component: 3700 - total flux cleaned = -0.00194999 Jy ! Component: 3750 - total flux cleaned = -0.00190614 Jy ! Component: 3800 - total flux cleaned = -0.00186101 Jy ! Component: 3850 - total flux cleaned = -0.00186081 Jy ! Component: 3900 - total flux cleaned = -0.00181405 Jy ! Component: 3950 - total flux cleaned = -0.00176507 Jy ! Component: 4000 - total flux cleaned = -0.00176449 Jy ! Component: 4050 - total flux cleaned = -0.00171291 Jy ! Total flux subtracted in 4096 components = -0.00165949 Jy ! Clean residual min=-0.002878 max=0.002814 Jy/beam ! Clean residual mean=-0.000009 rms=0.000940 Jy/beam ! Combined flux in latest and established models = 0.0341679 Jy keep ! Adding 162 model components to the UV plane model. ! The established model now contains 336 components and 0.0341679 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1547+4937_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.858 x 8.4 at -15.1 degrees (North through East) ! Clean map min=-0.010149 max=0.030955 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1547+4937_X_b_map.fits wmodel /vlbi/uf001/uva//J1547+4937_X_b_map.mod ! Writing 336 model components to file: /vlbi/uf001/uva//J1547+4937_X_b_map.mod wobs /vlbi/uf001/uva//J1547+4937_X_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1547+4937_X_b_uvs.fits wwins /vlbi/uf001/uva//J1547+4937_X_b_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J1547+4937_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0309552 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00102585 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -9.94197 9.94197 19.8839 39.7679 79.5357 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.03 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 30.175 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1547+4937_X_b_dfm.log closed on Mon Jan 14 03:27:50 2019