! Started logfile: /vlbi/uf001/uva//J0402+8241_X_b_dfm.log on Sun Jan 13 22:00:54 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//J0402+8241_X_b_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0402+8241_X_b_uva.fits ! AN table 1: 59 integrations on 15 of 15 possible baselines. ! AN table 2: 118 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.8 visibilities/baseline/integration-bin. ! Found source: J0402+8241 ! ! 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 25488 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 J0402+8241_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 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 18 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.000708Jy sigma=24.895159 ! Fit after self-cal, rms=0.972074Jy sigma=24.168530 ! 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=0.8693 mas, bmaj=1.034 mas, bpa=23.17 degrees ! Estimated noise=0.501521 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 = 0.022869 Jy ! Component: 100 - total flux cleaned = 0.027864 Jy ! Total flux subtracted in 100 components = 0.027864 Jy ! Clean residual min=-0.002926 max=0.003193 Jy/beam ! Clean residual mean=-0.000003 rms=0.000710 Jy/beam ! Combined flux in latest and established models = 0.027864 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.027864 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=0.043731Jy sigma=1.066588 ! Fit after self-cal, rms=0.042218Jy sigma=1.029045 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00346177 Jy ! Component: 100 - total flux cleaned = 0.00353823 Jy ! Total flux subtracted in 100 components = 0.00353823 Jy ! Clean residual min=-0.002930 max=0.003012 Jy/beam ! Clean residual mean=-0.000003 rms=0.000701 Jy/beam ! Combined flux in latest and established models = 0.0314022 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 7 components and 0.0314022 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=0.042082Jy sigma=1.024583 ! Fit after self-cal, rms=0.042064Jy sigma=1.024221 ! 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=1.301 mas, bmaj=1.485 mas, bpa=14.53 degrees ! Estimated noise=0.183583 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 = -0.000165046 Jy ! Component: 100 - total flux cleaned = -0.000179879 Jy ! Component: 150 - total flux cleaned = -0.000192725 Jy ! Component: 200 - total flux cleaned = -0.000192523 Jy ! Total flux subtracted in 200 components = -0.000192523 Jy ! Clean residual min=-0.002084 max=0.002103 Jy/beam ! Clean residual mean=-0.000004 rms=0.000524 Jy/beam ! Combined flux in latest and established models = 0.0312097 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.0312097 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=0.042055Jy sigma=1.024030 ! Fit after self-cal, rms=0.042053Jy sigma=1.023956 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.301 x 1.485 at 14.53 degrees (North through East) ! Clean map min=-0.0020154 max=0.031744 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 KP 1.13 LA 0.96 MK 1.01 ! NL 1.18 OV 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.02 KP 1.16 LA 1.06 ! MK 1.06 OV 0.91 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 1.04 LA 1.03 MK 1.13 ! NL 1.21 OV 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 FD 1.03 KP 1.18 LA 1.08 ! MK 1.08 OV 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 1.25 LA 0.96 MK 1.04 ! NL 1.21 OV 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.95 KP 1.24 LA 0.95 ! MK 1.08 OV 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 1.20 LA 1.05 MK 1.04 ! NL 1.19 OV 0.90 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.04 KP 1.19 LA 1.03 ! MK 0.99 OV 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 KP 1.32 LA 0.85 MK 0.98 ! NL 1.23 OV 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 FD 0.96 KP 1.27 LA 0.98 ! MK 1.09 OV 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.91 KP 1.26 LA 1.09 MK 0.96 ! NL 1.12 OV 0.87 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 0.97 KP 1.20 LA 1.03 ! MK 0.96 OV 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 KP 1.21 LA 0.88 MK 0.95 ! NL 1.13 OV 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.80 FD 0.96 KP 1.33 LA 0.99 ! MK 1.07 OV 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 KP 1.25 LA 0.91 MK 1.09 ! NL 1.20 OV 0.84 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.84 FD 0.93 KP 1.33 LA 1.04 ! MK 0.99 OV 0.86 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 KP 1.22 LA 0.87 MK 0.97 ! NL 1.19 OV 0.88 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.78 FD 0.87 KP 1.31 LA 1.01 ! MK 0.97 OV 0.90 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 KP 1.20 LA 0.97 MK 0.96 ! NL 1.18 OV 0.86 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.76 FD 0.90 KP 1.22 LA 1.00 ! MK 0.85 OV 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 KP 1.23 LA 0.87 MK 1.02 ! NL 1.12 OV 0.83 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.72 FD 0.94 KP 1.10 LA 0.97 ! MK 0.95 OV 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.78 KP 1.16 LA 0.95 MK 0.92 ! NL 1.04 OV 0.83 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.71 FD 0.89 KP 1.12 LA 1.01 ! MK 0.83 OV 0.95 ! ! ! Fit before self-cal, rms=0.042053Jy sigma=1.023956 ! Fit after self-cal, rms=0.042208Jy sigma=1.015509 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.319 mas, bmaj=1.466 mas, bpa=11.47 degrees ! Estimated noise=0.182146 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 = -0.000103218 Jy ! Component: 100 - total flux cleaned = -0.000102845 Jy ! Component: 150 - total flux cleaned = -9.73316e-05 Jy ! Component: 200 - total flux cleaned = -9.20149e-05 Jy ! Total flux subtracted in 200 components = -9.20149e-05 Jy ! Clean residual min=-0.001320 max=0.001211 Jy/beam ! Clean residual mean=0.000002 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.0311177 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 22 components and 0.0311177 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=0.042206Jy sigma=1.015472 ! Fit after self-cal, rms=0.042492Jy sigma=1.012851 ! 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=0.042492Jy sigma=1.012851 ! Fit after self-cal, rms=0.043990Jy sigma=1.010217 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.331 mas, bmaj=1.474 mas, bpa=14.14 degrees ! Estimated noise=0.1826 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.15616e-05 Jy ! Component: 100 - total flux cleaned = -4.30919e-05 Jy ! Component: 150 - total flux cleaned = -3.8914e-05 Jy ! Component: 200 - total flux cleaned = -3.10097e-05 Jy ! Total flux subtracted in 200 components = -3.10097e-05 Jy ! Clean residual min=-0.000831 max=0.000846 Jy/beam ! Clean residual mean=-0.000002 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.0310867 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 26 components and 0.0310867 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=0.043989Jy sigma=1.010202 ! Fit after self-cal, rms=0.044165Jy sigma=1.008998 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.5525e-05 Jy ! Component: 100 - total flux cleaned = -8.97748e-05 Jy ! Component: 150 - total flux cleaned = -9.69984e-05 Jy ! Component: 200 - total flux cleaned = -0.000103443 Jy ! Total flux subtracted in 200 components = -0.000103443 Jy ! Clean residual min=-0.000920 max=0.000860 Jy/beam ! Clean residual mean=-0.000001 rms=0.000218 Jy/beam ! Combined flux in latest and established models = 0.0309832 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 32 components and 0.0309832 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=0.044164Jy sigma=1.008990 ! Fit after self-cal, rms=0.044166Jy sigma=1.008964 ! 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=0.044166Jy sigma=1.008964 ! Fit after self-cal, rms=0.044986Jy sigma=1.008693 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.336 mas, bmaj=1.477 mas, bpa=14.56 degrees ! Estimated noise=0.183316 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000106639 Jy ! Component: 100 - total flux cleaned = 0.000115919 Jy ! Component: 150 - total flux cleaned = 0.00012002 Jy ! Component: 200 - total flux cleaned = 0.000123953 Jy ! Total flux subtracted in 200 components = 0.000123953 Jy ! Clean residual min=-0.000873 max=0.000922 Jy/beam ! Clean residual mean=-0.000002 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.0311072 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 34 components and 0.0311072 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=0.044986Jy sigma=1.008671 ! Fit after self-cal, rms=0.045074Jy sigma=1.008412 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 (-1.8, 18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00074511 Jy ! Component: 100 - total flux cleaned = 0.00076552 Jy ! Component: 150 - total flux cleaned = 0.00072489 Jy ! Component: 200 - total flux cleaned = 0.000701345 Jy ! Total flux subtracted in 200 components = 0.000701345 Jy ! Clean residual min=-0.000782 max=0.000769 Jy/beam ! Clean residual mean=-0.000000 rms=0.000185 Jy/beam ! Combined flux in latest and established models = 0.0318085 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 47 components and 0.0318085 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=0.045053Jy sigma=1.008028 ! Fit after self-cal, rms=0.045059Jy sigma=1.007809 ! 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=0.045059Jy sigma=1.007809 ! Fit after self-cal, rms=0.045396Jy sigma=1.007696 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.748 mas, bmaj=3.779 mas, bpa=13.06 degrees ! Estimated noise=0.214753 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00039149 Jy ! Component: 100 - total flux cleaned = 0.000430258 Jy ! Component: 150 - total flux cleaned = 0.000523008 Jy ! Component: 200 - total flux cleaned = 0.000579664 Jy ! Total flux subtracted in 200 components = 0.000579664 Jy ! Clean residual min=-0.000731 max=0.000753 Jy/beam ! Clean residual mean=-0.000002 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.0323882 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 0.0323882 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=0.045388Jy sigma=1.007536 ! Fit after self-cal, rms=0.045444Jy sigma=1.007356 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 = 0.000249414 Jy ! Component: 100 - total flux cleaned = 0.000296704 Jy ! Component: 150 - total flux cleaned = 0.000332266 Jy ! Component: 200 - total flux cleaned = 0.000381372 Jy ! Total flux subtracted in 200 components = 0.000381372 Jy ! Clean residual min=-0.000765 max=0.000804 Jy/beam ! Clean residual mean=-0.000001 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.0327696 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 79 components and 0.0327696 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=0.045438Jy sigma=1.007280 ! Fit after self-cal, rms=0.045437Jy sigma=1.007150 ! Inverting map ! Added new window around map position (-24, 35.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000665357 Jy ! Component: 100 - total flux cleaned = 0.000725499 Jy ! Component: 150 - total flux cleaned = 0.000753141 Jy ! Component: 200 - total flux cleaned = 0.000786332 Jy ! Total flux subtracted in 200 components = 0.000786332 Jy ! Clean residual min=-0.000640 max=0.000603 Jy/beam ! Clean residual mean=-0.000001 rms=0.000164 Jy/beam ! Combined flux in latest and established models = 0.0335559 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 109 components and 0.0335559 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=0.045425Jy sigma=1.006938 ! Fit after self-cal, rms=0.045444Jy sigma=1.006706 ! 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=1.338 mas, bmaj=1.481 mas, bpa=15.55 degrees ! Estimated noise=0.183378 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.338 x 1.481 at 15.55 degrees (North through East) ! Clean map min=-0.0013537 max=0.03128 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=0.9042 mas, bmaj=1.033 mas, bpa=23.77 degrees ! Estimated noise=0.501763 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0243944 Jy ! Component: 100 - total flux cleaned = 0.0299447 Jy ! Component: 150 - total flux cleaned = 0.0314924 Jy ! Component: 200 - total flux cleaned = 0.0316509 Jy ! Total flux subtracted in 200 components = 0.0316509 Jy ! Clean residual min=-0.002239 max=0.002253 Jy/beam ! Clean residual mean=-0.000000 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.0316509 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0316509 Jy ! Inverting map and beam ! Estimated beam: bmin=1.338 mas, bmaj=1.481 mas, bpa=15.55 degrees ! Estimated noise=0.183378 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 = 0.00085886 Jy ! Component: 100 - total flux cleaned = 0.00121547 Jy ! Component: 150 - total flux cleaned = 0.00146362 Jy ! Component: 200 - total flux cleaned = 0.00171432 Jy ! Total flux subtracted in 200 components = 0.00171432 Jy ! Clean residual min=-0.000819 max=0.000712 Jy/beam ! Clean residual mean=-0.000001 rms=0.000176 Jy/beam ! Combined flux in latest and established models = 0.0333652 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 44 components and 0.0333652 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=2.748 mas, bmaj=3.779 mas, bpa=13.06 degrees ! Estimated noise=0.214753 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000144618 Jy ! Component: 100 - total flux cleaned = 0.000227515 Jy ! Component: 150 - total flux cleaned = 0.000351008 Jy ! Component: 200 - total flux cleaned = 0.000469426 Jy ! Total flux subtracted in 200 components = 0.000469426 Jy ! Clean residual min=-0.000617 max=0.000537 Jy/beam ! Clean residual mean=-0.000002 rms=0.000165 Jy/beam ! Combined flux in latest and established models = 0.0338347 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 = 7.27458e-05 Jy ! Component: 100 - total flux cleaned = 0.00012849 Jy ! Component: 150 - total flux cleaned = 0.000152885 Jy ! Component: 200 - total flux cleaned = 0.00014496 Jy ! Total flux subtracted in 200 components = 0.00014496 Jy ! Clean residual min=-0.000598 max=0.000520 Jy/beam ! Clean residual mean=-0.000002 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.0339796 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 85 components and 0.0339796 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.338 mas, bmaj=1.481 mas, bpa=15.55 degrees ! Estimated noise=0.183378 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.72841e-05 Jy ! Component: 100 - total flux cleaned = 0.000114687 Jy ! Component: 150 - total flux cleaned = 0.000158622 Jy ! Component: 200 - total flux cleaned = 0.000200324 Jy ! Total flux subtracted in 200 components = 0.000200324 Jy ! Clean residual min=-0.000630 max=0.000650 Jy/beam ! Clean residual mean=-0.000001 rms=0.000143 Jy/beam ! Combined flux in latest and established models = 0.0341799 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 110 components and 0.03418 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=0.045427Jy sigma=1.006474 ! Fit after self-cal, rms=0.045442Jy sigma=1.006184 wmodel J0402+8241_X_b_map.mod ! Writing 110 model components to file: J0402+8241_X_b_map.mod wobs J0402+8241_X_b_uvs.fits ! Writing UV FITS file: J0402+8241_X_b_uvs.fits wwins J0402+8241_X_b_map.win ! wwins: Wrote 3 windows to J0402+8241_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 = 6.31984e-05 Jy ! Component: 100 - total flux cleaned = 7.60731e-06 Jy ! Component: 150 - total flux cleaned = -2.52833e-06 Jy ! Component: 200 - total flux cleaned = -6.20105e-05 Jy ! Component: 250 - total flux cleaned = -7.13923e-05 Jy ! Component: 300 - total flux cleaned = -6.24084e-05 Jy ! Component: 350 - total flux cleaned = -8.01722e-05 Jy ! Component: 400 - total flux cleaned = -8.02422e-05 Jy ! Component: 450 - total flux cleaned = -9.6962e-05 Jy ! Component: 500 - total flux cleaned = -7.21854e-05 Jy ! Component: 550 - total flux cleaned = -8.01863e-05 Jy ! Component: 600 - total flux cleaned = -9.59548e-05 Jy ! Component: 650 - total flux cleaned = -0.000111373 Jy ! Component: 700 - total flux cleaned = -0.000111429 Jy ! Component: 750 - total flux cleaned = -0.000133807 Jy ! Component: 800 - total flux cleaned = -0.000133816 Jy ! Component: 850 - total flux cleaned = -0.000133824 Jy ! Component: 900 - total flux cleaned = -0.000155067 Jy ! Component: 950 - total flux cleaned = -0.000168954 Jy ! Component: 1000 - total flux cleaned = -0.000168845 Jy ! Component: 1050 - total flux cleaned = -0.000175637 Jy ! Component: 1100 - total flux cleaned = -0.00019569 Jy ! Component: 1150 - total flux cleaned = -0.000215408 Jy ! Component: 1200 - total flux cleaned = -0.000202356 Jy ! Component: 1250 - total flux cleaned = -0.000215096 Jy ! Component: 1300 - total flux cleaned = -0.000195984 Jy ! Component: 1350 - total flux cleaned = -0.000183448 Jy ! Component: 1400 - total flux cleaned = -0.000183488 Jy ! Component: 1450 - total flux cleaned = -0.000189588 Jy ! Component: 1500 - total flux cleaned = -0.000171387 Jy ! Component: 1550 - total flux cleaned = -0.000177344 Jy ! Component: 1600 - total flux cleaned = -0.000183327 Jy ! Component: 1650 - total flux cleaned = -0.000171664 Jy ! Component: 1700 - total flux cleaned = -0.000200701 Jy ! Component: 1750 - total flux cleaned = -0.000206443 Jy ! Component: 1800 - total flux cleaned = -0.000212136 Jy ! Component: 1850 - total flux cleaned = -0.000217712 Jy ! Component: 1900 - total flux cleaned = -0.000212102 Jy ! Component: 1950 - total flux cleaned = -0.000212116 Jy ! Component: 2000 - total flux cleaned = -0.00022305 Jy ! Component: 2050 - total flux cleaned = -0.000223016 Jy ! Component: 2100 - total flux cleaned = -0.000228338 Jy ! Component: 2150 - total flux cleaned = -0.000212328 Jy ! Component: 2200 - total flux cleaned = -0.000222938 Jy ! Component: 2250 - total flux cleaned = -0.000249222 Jy ! Component: 2300 - total flux cleaned = -0.000259637 Jy ! Component: 2350 - total flux cleaned = -0.000270039 Jy ! Component: 2400 - total flux cleaned = -0.000300942 Jy ! Component: 2450 - total flux cleaned = -0.000321439 Jy ! Component: 2500 - total flux cleaned = -0.000346872 Jy ! Component: 2550 - total flux cleaned = -0.000372136 Jy ! Component: 2600 - total flux cleaned = -0.000367168 Jy ! Component: 2650 - total flux cleaned = -0.000421909 Jy ! Component: 2700 - total flux cleaned = -0.000416913 Jy ! Component: 2750 - total flux cleaned = -0.000421815 Jy ! Component: 2800 - total flux cleaned = -0.000446255 Jy ! Component: 2850 - total flux cleaned = -0.000460826 Jy ! Component: 2900 - total flux cleaned = -0.000475324 Jy ! Component: 2950 - total flux cleaned = -0.000499331 Jy ! Component: 3000 - total flux cleaned = -0.000499318 Jy ! Component: 3050 - total flux cleaned = -0.000523103 Jy ! Component: 3100 - total flux cleaned = -0.000518399 Jy ! Component: 3150 - total flux cleaned = -0.000546657 Jy ! Component: 3200 - total flux cleaned = -0.000555979 Jy ! Component: 3250 - total flux cleaned = -0.000560627 Jy ! Component: 3300 - total flux cleaned = -0.000574532 Jy ! Component: 3350 - total flux cleaned = -0.000588333 Jy ! Component: 3400 - total flux cleaned = -0.000602109 Jy ! Component: 3450 - total flux cleaned = -0.000615812 Jy ! Component: 3500 - total flux cleaned = -0.000624927 Jy ! Component: 3550 - total flux cleaned = -0.000633964 Jy ! Component: 3600 - total flux cleaned = -0.000647478 Jy ! Component: 3650 - total flux cleaned = -0.000656449 Jy ! Component: 3700 - total flux cleaned = -0.000669864 Jy ! Component: 3750 - total flux cleaned = -0.000678801 Jy ! Component: 3800 - total flux cleaned = -0.000692135 Jy ! Component: 3850 - total flux cleaned = -0.000723035 Jy ! Component: 3900 - total flux cleaned = -0.000718643 Jy ! Component: 3950 - total flux cleaned = -0.000736183 Jy ! Component: 4000 - total flux cleaned = -0.000749277 Jy ! Component: 4050 - total flux cleaned = -0.00077102 Jy ! Total flux subtracted in 4096 components = -0.000779675 Jy ! Clean residual min=-0.000314 max=0.000284 Jy/beam ! Clean residual mean=-0.000001 rms=0.000069 Jy/beam ! Combined flux in latest and established models = 0.0334003 Jy keep ! Adding 220 model components to the UV plane model. ! The established model now contains 330 components and 0.0334003 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0402+8241_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.338 x 1.481 at 15.55 degrees (North through East) ! Clean map min=-0.001245 max=0.030849 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0402+8241_X_b_map.fits wmodel /vlbi/uf001/uva//J0402+8241_X_b_map.mod ! Writing 330 model components to file: /vlbi/uf001/uva//J0402+8241_X_b_map.mod wobs /vlbi/uf001/uva//J0402+8241_X_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0402+8241_X_b_uvs.fits wwins /vlbi/uf001/uva//J0402+8241_X_b_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J0402+8241_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0308487 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.93214e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.674142 0.674142 1.34828 2.69657 5.39314 10.7863 21.5726 43.1451 86.2902 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.03 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 445.009 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0402+8241_X_b_dfm.log closed on Sun Jan 13 22:01:00 2019