! Started logfile: /vlbi/uf001/uva//J0755+2542_X_dfm.log on Sun Jan 13 23:42:15 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//J0755+2542_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0755+2542_X_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.999745 visibilities/baseline/integration-bin. ! Found source: J0755+2542 ! ! 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 46968 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 J0755+2542_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 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003757Jy sigma=23.531491 ! Fit after self-cal, rms=0.948939Jy sigma=22.255407 ! 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=0.7304 mas, bmaj=1.429 mas, bpa=4.873 degrees ! Estimated noise=0.348366 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 = 0.0407626 Jy ! Component: 100 - total flux cleaned = 0.0496543 Jy ! Total flux subtracted in 100 components = 0.0496543 Jy ! Clean residual min=-0.001839 max=0.002500 Jy/beam ! Clean residual mean=-0.000001 rms=0.000472 Jy/beam ! Combined flux in latest and established models = 0.0496543 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.0496543 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=0.054855Jy sigma=1.232454 ! Fit after self-cal, rms=0.053746Jy sigma=1.207482 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00311875 Jy ! Component: 100 - total flux cleaned = 0.00419321 Jy ! Total flux subtracted in 100 components = 0.00419321 Jy ! Clean residual min=-0.001849 max=0.002087 Jy/beam ! Clean residual mean=-0.000001 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.0538476 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0538476 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=0.053578Jy sigma=1.203716 ! Fit after self-cal, rms=0.053580Jy sigma=1.203673 ! 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=0.9532 mas, bmaj=1.78 mas, bpa=3.819 degrees ! Estimated noise=0.143126 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 (2.2, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178151 Jy ! Component: 100 - total flux cleaned = 0.00254019 Jy ! Component: 150 - total flux cleaned = 0.00286891 Jy ! Component: 200 - total flux cleaned = 0.00301523 Jy ! Total flux subtracted in 200 components = 0.00301523 Jy ! Clean residual min=-0.001291 max=0.001523 Jy/beam ! Clean residual mean=-0.000000 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.0568628 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 32 components and 0.0568628 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=0.053525Jy sigma=1.202096 ! Fit after self-cal, rms=0.053511Jy sigma=1.201905 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9532 x 1.78 at 3.819 degrees (North through East) ! Clean map min=-0.0011982 max=0.053361 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.97 HN 0.92 KP 1.01 ! LA 0.99 MK 1.04 NL 1.13 OV 0.92 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.97 KP 1.03 ! LA 0.97 MK 1.01 NL 1.10 OV 0.94 ! PT 0.96 SC 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.97 KP 1.04 ! LA 1.00 MK 1.04 NL 1.09 OV 0.89 ! PT 0.92 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.97 KP 1.07 ! LA 0.97 MK 0.99 NL 1.11 OV 0.91 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HN 0.99 KP 1.04 ! LA 0.95 MK 0.99 NL 1.13 OV 0.92 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.96 KP 1.04 ! LA 1.07 MK 0.95 NL 1.11 OV 0.93 ! PT 0.94 SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.04 HN 0.96 KP 1.04 ! LA 0.96 MK 0.99 NL 1.11 OV 0.92 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 0.93 KP 1.09 ! LA 0.99 MK 1.01 NL 1.21 OV 0.89 ! PT 0.95 SC 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 0.97 KP 1.05 ! LA 1.01 MK 1.00 NL 1.08 OV 0.92 ! PT 0.95 SC 1.04 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.95 KP 1.05 ! LA 1.00 MK 1.01 NL 1.13 OV 0.91 ! PT 1.00 SC 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 1.05 KP 1.06 ! LA 1.00 MK 0.98 NL 1.12 OV 0.94 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.03 HN 0.91 KP 1.02 ! LA 1.01 MK 0.97 NL 1.16 OV 0.94 ! PT 0.95 SC 0.99 ! ! ! Fit before self-cal, rms=0.053511Jy sigma=1.201905 ! Fit after self-cal, rms=0.053030Jy sigma=1.197083 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9479 mas, bmaj=1.786 mas, bpa=3.981 degrees ! Estimated noise=0.143159 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 = -0.000640502 Jy ! Component: 100 - total flux cleaned = -0.000727723 Jy ! Component: 150 - total flux cleaned = -0.000766178 Jy ! Component: 200 - total flux cleaned = -0.0008005 Jy ! Total flux subtracted in 200 components = -0.0008005 Jy ! Clean residual min=-0.000746 max=0.000773 Jy/beam ! Clean residual mean=0.000000 rms=0.000179 Jy/beam ! Combined flux in latest and established models = 0.0560623 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 52 components and 0.0560623 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=0.053020Jy sigma=1.196822 ! Fit after self-cal, rms=0.053049Jy sigma=1.196537 ! 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=0.053049Jy sigma=1.196537 ! Fit after self-cal, rms=0.053142Jy sigma=1.194962 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9477 mas, bmaj=1.788 mas, bpa=3.838 degrees ! Estimated noise=0.143273 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000304485 Jy ! Component: 100 - total flux cleaned = -0.000376059 Jy ! Component: 150 - total flux cleaned = -0.000405882 Jy ! Component: 200 - total flux cleaned = -0.00044242 Jy ! Total flux subtracted in 200 components = -0.00044242 Jy ! Clean residual min=-0.000784 max=0.000748 Jy/beam ! Clean residual mean=0.000001 rms=0.000167 Jy/beam ! Combined flux in latest and established models = 0.0556199 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 60 components and 0.0556199 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=0.053137Jy sigma=1.194847 ! Fit after self-cal, rms=0.053148Jy sigma=1.194773 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.73922e-05 Jy ! Component: 100 - total flux cleaned = -7.13243e-05 Jy ! Component: 150 - total flux cleaned = -0.000111792 Jy ! Component: 200 - total flux cleaned = -0.000134067 Jy ! Total flux subtracted in 200 components = -0.000134067 Jy ! Clean residual min=-0.000782 max=0.000759 Jy/beam ! Clean residual mean=0.000001 rms=0.000166 Jy/beam ! Combined flux in latest and established models = 0.0554858 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 61 components and 0.0554858 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=0.053145Jy sigma=1.194718 ! Fit after self-cal, rms=0.053145Jy sigma=1.194712 ! 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=0.053145Jy sigma=1.194712 ! Fit after self-cal, rms=0.053207Jy sigma=1.194325 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.947 mas, bmaj=1.79 mas, bpa=3.833 degrees ! Estimated noise=0.143175 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000154036 Jy ! Component: 100 - total flux cleaned = -0.000202054 Jy ! Component: 150 - total flux cleaned = -0.000230742 Jy ! Component: 200 - total flux cleaned = -0.000250841 Jy ! Total flux subtracted in 200 components = -0.000250841 Jy ! Clean residual min=-0.000766 max=0.000746 Jy/beam ! Clean residual mean=0.000001 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.055235 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 69 components and 0.055235 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=0.053204Jy sigma=1.194270 ! Fit after self-cal, rms=0.053210Jy sigma=1.194244 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 = -4.72545e-06 Jy ! Component: 100 - total flux cleaned = -2.44095e-05 Jy ! Component: 150 - total flux cleaned = -3.70836e-05 Jy ! Component: 200 - total flux cleaned = -4.902e-05 Jy ! Total flux subtracted in 200 components = -4.902e-05 Jy ! Clean residual min=-0.000767 max=0.000752 Jy/beam ! Clean residual mean=0.000000 rms=0.000162 Jy/beam ! Combined flux in latest and established models = 0.0551859 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 72 components and 0.0551859 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=0.053208Jy sigma=1.194211 ! Fit after self-cal, rms=0.053208Jy sigma=1.194210 ! 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=0.053208Jy sigma=1.194210 ! Fit after self-cal, rms=0.053223Jy sigma=1.194204 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.063 mas, bmaj=2.803 mas, bpa=0.5005 degrees ! Estimated noise=0.178496 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00017417 Jy ! Component: 100 - total flux cleaned = -0.000225787 Jy ! Component: 150 - total flux cleaned = -0.000244993 Jy ! Component: 200 - total flux cleaned = -0.000253671 Jy ! Total flux subtracted in 200 components = -0.000253671 Jy ! Clean residual min=-0.000806 max=0.000761 Jy/beam ! Clean residual mean=0.000001 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.0549323 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 83 components and 0.0549323 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=0.053223Jy sigma=1.194194 ! Fit after self-cal, rms=0.053224Jy sigma=1.194193 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 = -5.05953e-05 Jy ! Component: 100 - total flux cleaned = -6.38952e-05 Jy ! Component: 150 - total flux cleaned = -7.11261e-05 Jy ! Component: 200 - total flux cleaned = -7.3401e-05 Jy ! Total flux subtracted in 200 components = -7.3401e-05 Jy ! Clean residual min=-0.000807 max=0.000764 Jy/beam ! Clean residual mean=0.000001 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.0548589 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 86 components and 0.0548589 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=0.053224Jy sigma=1.194185 ! Fit after self-cal, rms=0.053224Jy sigma=1.194186 ! 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=0.9466 mas, bmaj=1.79 mas, bpa=3.813 degrees ! Estimated noise=0.143163 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9466 x 1.79 at 3.813 degrees (North through East) ! Clean map min=-0.00069497 max=0.053485 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=0.7246 mas, bmaj=1.436 mas, bpa=4.768 degrees ! Estimated noise=0.350234 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0419274 Jy ! Component: 100 - total flux cleaned = 0.0510975 Jy ! Component: 150 - total flux cleaned = 0.0534742 Jy ! Component: 200 - total flux cleaned = 0.0544795 Jy ! Total flux subtracted in 200 components = 0.0544795 Jy ! Clean residual min=-0.001628 max=0.001822 Jy/beam ! Clean residual mean=-0.000000 rms=0.000393 Jy/beam ! Combined flux in latest and established models = 0.0544795 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0544795 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9466 mas, bmaj=1.79 mas, bpa=3.813 degrees ! Estimated noise=0.143163 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 (47.2, 23.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000593733 Jy ! Component: 100 - total flux cleaned = 0.000674392 Jy ! Component: 150 - total flux cleaned = 0.000746398 Jy ! Component: 200 - total flux cleaned = 0.00082631 Jy ! Total flux subtracted in 200 components = 0.00082631 Jy ! Clean residual min=-0.000739 max=0.000698 Jy/beam ! Clean residual mean=0.000000 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.0553058 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 29 components and 0.0553058 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=2.063 mas, bmaj=2.803 mas, bpa=0.5005 degrees ! Estimated noise=0.178496 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.921e-05 Jy ! Component: 100 - total flux cleaned = 0.000140828 Jy ! Component: 150 - total flux cleaned = 0.000177317 Jy ! Component: 200 - total flux cleaned = 0.000210762 Jy ! Total flux subtracted in 200 components = 0.000210762 Jy ! Clean residual min=-0.000882 max=0.000767 Jy/beam ! Clean residual mean=0.000001 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.0555166 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 = 3.08376e-05 Jy ! Component: 100 - total flux cleaned = 4.52098e-05 Jy ! Component: 150 - total flux cleaned = 6.53932e-05 Jy ! Component: 200 - total flux cleaned = 8.40989e-05 Jy ! Total flux subtracted in 200 components = 8.40989e-05 Jy ! Clean residual min=-0.000883 max=0.000739 Jy/beam ! Clean residual mean=0.000001 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.0556007 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 63 components and 0.0556007 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9466 mas, bmaj=1.79 mas, bpa=3.813 degrees ! Estimated noise=0.143163 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.07735e-05 Jy ! Component: 100 - total flux cleaned = 1.49677e-05 Jy ! Component: 150 - total flux cleaned = 3.65217e-05 Jy ! Component: 200 - total flux cleaned = 6.66671e-05 Jy ! Total flux subtracted in 200 components = 6.66671e-05 Jy ! Clean residual min=-0.000752 max=0.000662 Jy/beam ! Clean residual mean=0.000000 rms=0.000159 Jy/beam ! Combined flux in latest and established models = 0.0556673 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 71 components and 0.0556674 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=0.053220Jy sigma=1.194118 ! Fit after self-cal, rms=0.053219Jy sigma=1.194067 wmodel J0755+2542_X_map.mod ! Writing 71 model components to file: J0755+2542_X_map.mod wobs J0755+2542_X_uvs.fits ! Writing UV FITS file: J0755+2542_X_uvs.fits wwins J0755+2542_X_map.win ! wwins: Wrote 3 windows to J0755+2542_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 = -0.000261242 Jy ! Component: 100 - total flux cleaned = -0.000346793 Jy ! Component: 150 - total flux cleaned = -0.000392137 Jy ! Component: 200 - total flux cleaned = -0.00043584 Jy ! Component: 250 - total flux cleaned = -0.000467825 Jy ! Component: 300 - total flux cleaned = -0.000529789 Jy ! Component: 350 - total flux cleaned = -0.000560013 Jy ! Component: 400 - total flux cleaned = -0.000619231 Jy ! Component: 450 - total flux cleaned = -0.000599652 Jy ! Component: 500 - total flux cleaned = -0.000609278 Jy ! Component: 550 - total flux cleaned = -0.000609273 Jy ! Component: 600 - total flux cleaned = -0.000599931 Jy ! Component: 650 - total flux cleaned = -0.000581387 Jy ! Component: 700 - total flux cleaned = -0.000545333 Jy ! Component: 750 - total flux cleaned = -0.000536564 Jy ! Component: 800 - total flux cleaned = -0.00051896 Jy ! Component: 850 - total flux cleaned = -0.000518847 Jy ! Component: 900 - total flux cleaned = -0.000484353 Jy ! Component: 950 - total flux cleaned = -0.000467322 Jy ! Component: 1000 - total flux cleaned = -0.000475702 Jy ! Component: 1050 - total flux cleaned = -0.000442253 Jy ! Component: 1100 - total flux cleaned = -0.00045048 Jy ! Component: 1150 - total flux cleaned = -0.000417777 Jy ! Component: 1200 - total flux cleaned = -0.00040971 Jy ! Component: 1250 - total flux cleaned = -0.000393624 Jy ! Component: 1300 - total flux cleaned = -0.000393607 Jy ! Component: 1350 - total flux cleaned = -0.00038572 Jy ! Component: 1400 - total flux cleaned = -0.000377862 Jy ! Component: 1450 - total flux cleaned = -0.000339047 Jy ! Component: 1500 - total flux cleaned = -0.000346781 Jy ! Component: 1550 - total flux cleaned = -0.000339209 Jy ! Component: 1600 - total flux cleaned = -0.000323996 Jy ! Component: 1650 - total flux cleaned = -0.000309063 Jy ! Component: 1700 - total flux cleaned = -0.000323896 Jy ! Component: 1750 - total flux cleaned = -0.000316546 Jy ! Component: 1800 - total flux cleaned = -0.000301857 Jy ! Component: 1850 - total flux cleaned = -0.0002728 Jy ! Component: 1900 - total flux cleaned = -0.000280064 Jy ! Component: 1950 - total flux cleaned = -0.000294442 Jy ! Component: 2000 - total flux cleaned = -0.000273003 Jy ! Component: 2050 - total flux cleaned = -0.00025176 Jy ! Component: 2100 - total flux cleaned = -0.000244673 Jy ! Component: 2150 - total flux cleaned = -0.000237701 Jy ! Component: 2200 - total flux cleaned = -0.000216917 Jy ! Component: 2250 - total flux cleaned = -0.000196257 Jy ! Component: 2300 - total flux cleaned = -0.000196253 Jy ! Component: 2350 - total flux cleaned = -0.000169046 Jy ! Component: 2400 - total flux cleaned = -0.000141995 Jy ! Component: 2450 - total flux cleaned = -0.000162174 Jy ! Component: 2500 - total flux cleaned = -0.000122121 Jy ! Component: 2550 - total flux cleaned = -0.000122108 Jy ! Component: 2600 - total flux cleaned = -0.000102292 Jy ! Component: 2650 - total flux cleaned = -8.26075e-05 Jy ! Component: 2700 - total flux cleaned = -6.9592e-05 Jy ! Component: 2750 - total flux cleaned = -6.30685e-05 Jy ! Component: 2800 - total flux cleaned = -3.72951e-05 Jy ! Component: 2850 - total flux cleaned = -3.08826e-05 Jy ! Component: 2900 - total flux cleaned = -1.17827e-05 Jy ! Component: 2950 - total flux cleaned = 9.00769e-07 Jy ! Component: 3000 - total flux cleaned = 8.49724e-07 Jy ! Component: 3050 - total flux cleaned = 3.21915e-05 Jy ! Component: 3100 - total flux cleaned = 3.2137e-05 Jy ! Component: 3150 - total flux cleaned = 3.83854e-05 Jy ! Component: 3200 - total flux cleaned = 3.83609e-05 Jy ! Component: 3250 - total flux cleaned = 4.45069e-05 Jy ! Component: 3300 - total flux cleaned = 3.22642e-05 Jy ! Component: 3350 - total flux cleaned = 3.84081e-05 Jy ! Component: 3400 - total flux cleaned = 3.23548e-05 Jy ! Component: 3450 - total flux cleaned = 5.64448e-05 Jy ! Component: 3500 - total flux cleaned = 7.44492e-05 Jy ! Component: 3550 - total flux cleaned = 8.63783e-05 Jy ! Component: 3600 - total flux cleaned = 8.04554e-05 Jy ! Component: 3650 - total flux cleaned = 9.22002e-05 Jy ! Component: 3700 - total flux cleaned = 0.000121534 Jy ! Component: 3750 - total flux cleaned = 0.000133194 Jy ! Component: 3800 - total flux cleaned = 0.000144859 Jy ! Component: 3850 - total flux cleaned = 0.000139068 Jy ! Component: 3900 - total flux cleaned = 0.000110286 Jy ! Component: 3950 - total flux cleaned = 0.000150379 Jy ! Component: 4000 - total flux cleaned = 0.00012184 Jy ! Component: 4050 - total flux cleaned = 0.000155907 Jy ! Total flux subtracted in 4096 components = 0.000155894 Jy ! Clean residual min=-0.000351 max=0.000355 Jy/beam ! Clean residual mean=0.000000 rms=0.000098 Jy/beam ! Combined flux in latest and established models = 0.0558232 Jy keep ! Adding 326 model components to the UV plane model. ! The established model now contains 397 components and 0.0558232 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0755+2542_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9466 x 1.79 at 3.813 degrees (North through East) ! Clean map min=-0.00053582 max=0.053573 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0755+2542_X_map.fits wmodel /vlbi/uf001/uva//J0755+2542_X_map.mod ! Writing 397 model components to file: /vlbi/uf001/uva//J0755+2542_X_map.mod wobs /vlbi/uf001/uva//J0755+2542_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0755+2542_X_uvs.fits wwins /vlbi/uf001/uva//J0755+2542_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J0755+2542_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0535733 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 9.78713e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.548061 0.548061 1.09612 2.19224 4.38448 8.76897 17.5379 35.0759 70.1517 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.053 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 547.384 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0755+2542_X_dfm.log closed on Sun Jan 13 23:42:21 2019