! Started logfile: /vlbi/uf001/uva//J1912-0804_X_dfm.log on Mon Jan 14 04:58:14 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//J1912-0804_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1912-0804_X_uva.fits ! AN table 1: 42 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.854497 visibilities/baseline/integration-bin. ! Found source: J1912-0804 ! ! 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 15504 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 J1912-0804_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 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006741Jy sigma=21.666289 ! Fit after self-cal, rms=0.916930Jy sigma=19.696878 ! 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=0.6774 mas, bmaj=1.571 mas, bpa=-0.6244 degrees ! Estimated noise=0.427382 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 = 0.0636444 Jy ! Component: 100 - total flux cleaned = 0.0792154 Jy ! Total flux subtracted in 100 components = 0.0792154 Jy ! Clean residual min=-0.003778 max=0.006051 Jy/beam ! Clean residual mean=-0.000001 rms=0.000896 Jy/beam ! Combined flux in latest and established models = 0.0792154 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0792154 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=0.063357Jy sigma=1.254557 ! Fit after self-cal, rms=0.062922Jy sigma=1.244701 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00664534 Jy ! Component: 100 - total flux cleaned = 0.0101509 Jy ! Total flux subtracted in 100 components = 0.0101509 Jy ! Clean residual min=-0.003536 max=0.004228 Jy/beam ! Clean residual mean=-0.000001 rms=0.000768 Jy/beam ! Combined flux in latest and established models = 0.0893663 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.0893663 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=0.062025Jy sigma=1.220142 ! Fit after self-cal, rms=0.062029Jy sigma=1.219905 ! 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=0.8677 mas, bmaj=1.88 mas, bpa=-0.5398 degrees ! Estimated noise=0.291053 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 (-1.6, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00535604 Jy ! Component: 100 - total flux cleaned = 0.00857049 Jy ! Component: 150 - total flux cleaned = 0.0108681 Jy ! Component: 200 - total flux cleaned = 0.012551 Jy ! Total flux subtracted in 200 components = 0.012551 Jy ! Clean residual min=-0.002854 max=0.003028 Jy/beam ! Clean residual mean=-0.000001 rms=0.000628 Jy/beam ! Combined flux in latest and established models = 0.101917 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 37 components and 0.101917 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=0.061549Jy sigma=1.206913 ! Fit after self-cal, rms=0.061522Jy sigma=1.205816 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8677 x 1.88 at -0.5398 degrees (North through East) ! Clean map min=-0.002594 max=0.083693 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 1.08 KP 1.01 LA 1.02 ! MK 1.00 NL 1.11 OV 0.90 PT 0.96 ! SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.15 KP 1.07 LA 0.97 ! MK 0.97 NL 1.06 OV 0.93 PT 0.95 ! SC 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 1.06 KP 1.04 LA 1.01 ! MK 0.99 NL 1.11 OV 0.88 PT 0.92 ! SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.11 KP 0.99 LA 0.99 ! MK 0.98 NL 1.08 OV 0.90 PT 0.99 ! SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 0.96 KP 1.05 LA 0.96 ! MK 0.97 NL 1.12 OV 0.91 PT 0.99 ! SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.08 KP 1.03 LA 1.02 ! MK 1.00 NL 1.11 OV 0.85 PT 0.92 ! SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.07 KP 1.01 LA 0.97 ! MK 1.01 NL 1.09 OV 0.97 PT 0.94 ! SC 1.05 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.03 KP 1.03 LA 0.99 ! MK 1.04 NL 1.08 OV 0.89 PT 0.94 ! SC 0.95 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 HN 1.03 KP 1.04 LA 1.01 ! MK 1.01 NL 1.03 OV 0.85 PT 0.92 ! SC 1.08 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 0.99 KP 1.00 LA 0.94 ! MK 0.89 NL 1.07 OV 0.90 PT 0.92 ! SC 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.09 KP 1.01 LA 0.94 ! MK 1.02 NL 1.08 OV 0.96 PT 0.94 ! SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 HN 1.04 KP 1.03 LA 0.96 ! MK 0.95 NL 1.14 OV 0.86 PT 0.89 ! SC 0.96 ! ! ! Fit before self-cal, rms=0.061522Jy sigma=1.205816 ! Fit after self-cal, rms=0.061887Jy sigma=1.192613 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8681 mas, bmaj=1.889 mas, bpa=-0.4801 degrees ! Estimated noise=0.29009 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 = -0.000427286 Jy ! Component: 100 - total flux cleaned = -0.000770431 Jy ! Component: 150 - total flux cleaned = -0.00101763 Jy ! Component: 200 - total flux cleaned = -0.0011742 Jy ! Total flux subtracted in 200 components = -0.0011742 Jy ! Clean residual min=-0.001978 max=0.001796 Jy/beam ! Clean residual mean=0.000003 rms=0.000412 Jy/beam ! Combined flux in latest and established models = 0.100743 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 57 components and 0.100743 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=0.061846Jy sigma=1.191751 ! Fit after self-cal, rms=0.061926Jy sigma=1.191334 ! 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=0.061926Jy sigma=1.191334 ! Fit after self-cal, rms=0.062384Jy sigma=1.187875 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8694 mas, bmaj=1.888 mas, bpa=-0.3341 degrees ! Estimated noise=0.290102 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0005347 Jy ! Component: 100 - total flux cleaned = -0.000730287 Jy ! Component: 150 - total flux cleaned = -0.000856304 Jy ! Component: 200 - total flux cleaned = -0.000947927 Jy ! Total flux subtracted in 200 components = -0.000947927 Jy ! Clean residual min=-0.001548 max=0.001483 Jy/beam ! Clean residual mean=0.000001 rms=0.000362 Jy/beam ! Combined flux in latest and established models = 0.0997951 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 66 components and 0.0997951 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=0.062365Jy sigma=1.187540 ! Fit after self-cal, rms=0.062375Jy sigma=1.187437 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 = -0.000158376 Jy ! Component: 100 - total flux cleaned = -0.000223797 Jy ! Component: 150 - total flux cleaned = -0.000268205 Jy ! Component: 200 - total flux cleaned = -0.000322965 Jy ! Total flux subtracted in 200 components = -0.000322965 Jy ! Clean residual min=-0.001536 max=0.001449 Jy/beam ! Clean residual mean=0.000001 rms=0.000359 Jy/beam ! Combined flux in latest and established models = 0.0994721 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 68 components and 0.0994722 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=0.062367Jy sigma=1.187297 ! Fit after self-cal, rms=0.062364Jy sigma=1.187291 ! 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=0.062364Jy sigma=1.187291 ! Fit after self-cal, rms=0.062393Jy sigma=1.182940 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.869 mas, bmaj=1.891 mas, bpa=-0.2946 degrees ! Estimated noise=0.289612 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000470777 Jy ! Component: 100 - total flux cleaned = -0.000561068 Jy ! Component: 150 - total flux cleaned = -0.000643622 Jy ! Component: 200 - total flux cleaned = -0.000707978 Jy ! Total flux subtracted in 200 components = -0.000707978 Jy ! Clean residual min=-0.001410 max=0.001440 Jy/beam ! Clean residual mean=0.000000 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.0987642 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 77 components and 0.0987642 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=0.062384Jy sigma=1.182812 ! Fit after self-cal, rms=0.062398Jy sigma=1.182712 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 (-32.6, -28.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000995309 Jy ! Component: 100 - total flux cleaned = 0.00102759 Jy ! Component: 150 - total flux cleaned = 0.00102669 Jy ! Component: 200 - total flux cleaned = 0.00108321 Jy ! Total flux subtracted in 200 components = 0.00108321 Jy ! Clean residual min=-0.001267 max=0.001311 Jy/beam ! Clean residual mean=0.000000 rms=0.000313 Jy/beam ! Combined flux in latest and established models = 0.0998474 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 88 components and 0.0998474 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=0.062360Jy sigma=1.182162 ! Fit after self-cal, rms=0.062356Jy sigma=1.182114 ! 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=0.062356Jy sigma=1.182114 ! Fit after self-cal, rms=0.062333Jy sigma=1.182056 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.053 mas, bmaj=3.615 mas, bpa=-2.863 degrees ! Estimated noise=0.363084 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000367294 Jy ! Component: 100 - total flux cleaned = -0.000449539 Jy ! Component: 150 - total flux cleaned = -0.000579111 Jy ! Component: 200 - total flux cleaned = -0.00068136 Jy ! Total flux subtracted in 200 components = -0.00068136 Jy ! Clean residual min=-0.001260 max=0.001373 Jy/beam ! Clean residual mean=0.000000 rms=0.000361 Jy/beam ! Combined flux in latest and established models = 0.099166 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 96 components and 0.099166 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=0.062328Jy sigma=1.182011 ! Fit after self-cal, rms=0.062328Jy sigma=1.181991 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 = -0.000264737 Jy ! Component: 100 - total flux cleaned = -0.000312352 Jy ! Component: 150 - total flux cleaned = -0.000333858 Jy ! Component: 200 - total flux cleaned = -0.000365292 Jy ! Total flux subtracted in 200 components = -0.000365292 Jy ! Clean residual min=-0.001236 max=0.001343 Jy/beam ! Clean residual mean=0.000000 rms=0.000355 Jy/beam ! Combined flux in latest and established models = 0.0988007 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 100 components and 0.0988007 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=0.062328Jy sigma=1.182008 ! Fit after self-cal, rms=0.062327Jy sigma=1.182001 ! 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=0.8698 mas, bmaj=1.893 mas, bpa=-0.2546 degrees ! Estimated noise=0.288973 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8698 x 1.893 at -0.2546 degrees (North through East) ! Clean map min=-0.0014746 max=0.083903 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=0.6775 mas, bmaj=1.579 mas, bpa=-0.2315 degrees ! Estimated noise=0.427732 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0638788 Jy ! Component: 100 - total flux cleaned = 0.079664 Jy ! Component: 150 - total flux cleaned = 0.0861696 Jy ! Component: 200 - total flux cleaned = 0.0898739 Jy ! Total flux subtracted in 200 components = 0.0898739 Jy ! Clean residual min=-0.002795 max=0.002333 Jy/beam ! Clean residual mean=-0.000000 rms=0.000570 Jy/beam ! Combined flux in latest and established models = 0.0898739 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 0.0898739 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8698 mas, bmaj=1.893 mas, bpa=-0.2546 degrees ! Estimated noise=0.288973 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 = 0.00339945 Jy ! Component: 100 - total flux cleaned = 0.00553906 Jy ! Component: 150 - total flux cleaned = 0.00671534 Jy ! Component: 200 - total flux cleaned = 0.00744797 Jy ! Total flux subtracted in 200 components = 0.00744797 Jy ! Clean residual min=-0.001513 max=0.001336 Jy/beam ! Clean residual mean=-0.000000 rms=0.000342 Jy/beam ! Combined flux in latest and established models = 0.0973219 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 33 components and 0.0973219 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=2.053 mas, bmaj=3.615 mas, bpa=-2.863 degrees ! Estimated noise=0.363084 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00119561 Jy ! Component: 100 - total flux cleaned = 0.00162854 Jy ! Component: 150 - total flux cleaned = 0.00176981 Jy ! Component: 200 - total flux cleaned = 0.00170015 Jy ! Total flux subtracted in 200 components = 0.00170015 Jy ! Clean residual min=-0.001452 max=0.001379 Jy/beam ! Clean residual mean=0.000000 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.099022 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 = -4.21596e-05 Jy ! Component: 100 - total flux cleaned = -0.000117439 Jy ! Component: 150 - total flux cleaned = -0.000169938 Jy ! Component: 200 - total flux cleaned = -0.000235791 Jy ! Total flux subtracted in 200 components = -0.000235791 Jy ! Clean residual min=-0.001370 max=0.001350 Jy/beam ! Clean residual mean=0.000000 rms=0.000358 Jy/beam ! Combined flux in latest and established models = 0.0987862 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 59 components and 0.0987863 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8698 mas, bmaj=1.893 mas, bpa=-0.2546 degrees ! Estimated noise=0.288973 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000175664 Jy ! Component: 100 - total flux cleaned = -0.000270117 Jy ! Component: 150 - total flux cleaned = -0.000241352 Jy ! Component: 200 - total flux cleaned = -0.000241299 Jy ! Total flux subtracted in 200 components = -0.000241299 Jy ! Clean residual min=-0.001299 max=0.001368 Jy/beam ! Clean residual mean=-0.000000 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.098545 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 76 components and 0.098545 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=0.062343Jy sigma=1.182332 ! Fit after self-cal, rms=0.062330Jy sigma=1.182234 wmodel J1912-0804_X_map.mod ! Writing 76 model components to file: J1912-0804_X_map.mod wobs J1912-0804_X_uvs.fits ! Writing UV FITS file: J1912-0804_X_uvs.fits wwins J1912-0804_X_map.win ! wwins: Wrote 3 windows to J1912-0804_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 = 0.000100941 Jy ! Component: 100 - total flux cleaned = 3.1874e-05 Jy ! Component: 150 - total flux cleaned = -7.73839e-05 Jy ! Component: 200 - total flux cleaned = -0.000181953 Jy ! Component: 250 - total flux cleaned = -0.000223262 Jy ! Component: 300 - total flux cleaned = -0.000223945 Jy ! Component: 350 - total flux cleaned = -0.000243736 Jy ! Component: 400 - total flux cleaned = -0.000262863 Jy ! Component: 450 - total flux cleaned = -0.000300143 Jy ! Component: 500 - total flux cleaned = -0.000281562 Jy ! Component: 550 - total flux cleaned = -0.000245719 Jy ! Component: 600 - total flux cleaned = -0.000298881 Jy ! Component: 650 - total flux cleaned = -0.000228984 Jy ! Component: 700 - total flux cleaned = -0.000246449 Jy ! Component: 750 - total flux cleaned = -0.00022943 Jy ! Component: 800 - total flux cleaned = -0.000246074 Jy ! Component: 850 - total flux cleaned = -0.000229474 Jy ! Component: 900 - total flux cleaned = -0.000212763 Jy ! Component: 950 - total flux cleaned = -0.000196508 Jy ! Component: 1000 - total flux cleaned = -0.000196209 Jy ! Component: 1050 - total flux cleaned = -0.000180234 Jy ! Component: 1100 - total flux cleaned = -0.000148874 Jy ! Component: 1150 - total flux cleaned = -0.000102835 Jy ! Component: 1200 - total flux cleaned = -7.22153e-05 Jy ! Component: 1250 - total flux cleaned = 1.80977e-05 Jy ! Component: 1300 - total flux cleaned = 1.82009e-05 Jy ! Component: 1350 - total flux cleaned = 9.223e-05 Jy ! Component: 1400 - total flux cleaned = 0.00010668 Jy ! Component: 1450 - total flux cleaned = 0.000150246 Jy ! Component: 1500 - total flux cleaned = 0.000207411 Jy ! Component: 1550 - total flux cleaned = 0.000221601 Jy ! Component: 1600 - total flux cleaned = 0.000263953 Jy ! Component: 1650 - total flux cleaned = 0.000264113 Jy ! Component: 1700 - total flux cleaned = 0.000305764 Jy ! Component: 1750 - total flux cleaned = 0.000305813 Jy ! Component: 1800 - total flux cleaned = 0.000346767 Jy ! Component: 1850 - total flux cleaned = 0.000346794 Jy ! Component: 1900 - total flux cleaned = 0.000360254 Jy ! Component: 1950 - total flux cleaned = 0.000333875 Jy ! Component: 2000 - total flux cleaned = 0.000412984 Jy ! Component: 2050 - total flux cleaned = 0.0004 Jy ! Component: 2100 - total flux cleaned = 0.000413026 Jy ! Component: 2150 - total flux cleaned = 0.000489911 Jy ! Component: 2200 - total flux cleaned = 0.000489906 Jy ! Component: 2250 - total flux cleaned = 0.000452043 Jy ! Component: 2300 - total flux cleaned = 0.000502115 Jy ! Component: 2350 - total flux cleaned = 0.000514566 Jy ! Component: 2400 - total flux cleaned = 0.000502375 Jy ! Component: 2450 - total flux cleaned = 0.000539136 Jy ! Component: 2500 - total flux cleaned = 0.000563663 Jy ! Component: 2550 - total flux cleaned = 0.00061203 Jy ! Component: 2600 - total flux cleaned = 0.000575773 Jy ! Component: 2650 - total flux cleaned = 0.000599649 Jy ! Component: 2700 - total flux cleaned = 0.000552118 Jy ! Component: 2750 - total flux cleaned = 0.00058748 Jy ! Component: 2800 - total flux cleaned = 0.000575883 Jy ! Component: 2850 - total flux cleaned = 0.000599246 Jy ! Component: 2900 - total flux cleaned = 0.000633915 Jy ! Component: 2950 - total flux cleaned = 0.000656904 Jy ! Component: 3000 - total flux cleaned = 0.000679555 Jy ! Component: 3050 - total flux cleaned = 0.00065694 Jy ! Component: 3100 - total flux cleaned = 0.000690768 Jy ! Component: 3150 - total flux cleaned = 0.000657268 Jy ! Component: 3200 - total flux cleaned = 0.000712712 Jy ! Component: 3250 - total flux cleaned = 0.000723723 Jy ! Component: 3300 - total flux cleaned = 0.000756667 Jy ! Component: 3350 - total flux cleaned = 0.000723928 Jy ! Component: 3400 - total flux cleaned = 0.00072394 Jy ! Component: 3450 - total flux cleaned = 0.000734725 Jy ! Component: 3500 - total flux cleaned = 0.000767108 Jy ! Component: 3550 - total flux cleaned = 0.000799119 Jy ! Component: 3600 - total flux cleaned = 0.000809813 Jy ! Component: 3650 - total flux cleaned = 0.000883647 Jy ! Component: 3700 - total flux cleaned = 0.000862715 Jy ! Component: 3750 - total flux cleaned = 0.000873084 Jy ! Component: 3800 - total flux cleaned = 0.000925181 Jy ! Component: 3850 - total flux cleaned = 0.000925168 Jy ! Component: 3900 - total flux cleaned = 0.000966237 Jy ! Component: 3950 - total flux cleaned = 0.00102763 Jy ! Component: 4000 - total flux cleaned = 0.0010785 Jy ! Component: 4050 - total flux cleaned = 0.00108851 Jy ! Total flux subtracted in 4096 components = 0.00109855 Jy ! Clean residual min=-0.000663 max=0.000584 Jy/beam ! Clean residual mean=0.000000 rms=0.000169 Jy/beam ! Combined flux in latest and established models = 0.0996435 Jy keep ! Adding 278 model components to the UV plane model. ! The established model now contains 354 components and 0.0996436 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1912-0804_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8698 x 1.893 at -0.2546 degrees (North through East) ! Clean map min=-0.0011645 max=0.084588 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1912-0804_X_map.fits wmodel /vlbi/uf001/uva//J1912-0804_X_map.mod ! Writing 354 model components to file: /vlbi/uf001/uva//J1912-0804_X_map.mod wobs /vlbi/uf001/uva//J1912-0804_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1912-0804_X_uvs.fits wwins /vlbi/uf001/uva//J1912-0804_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J1912-0804_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0845882 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000168478 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.597522 0.597522 1.19504 2.39009 4.78018 9.56035 19.1207 38.2414 76.4828 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.084 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 502.073 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1912-0804_X_dfm.log closed on Mon Jan 14 04:58:18 2019