! Started logfile: /vlbi/uf001/uva//J1935-1602_X_dfm.log on Mon Jan 14 05:09:07 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//J1935-1602_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1935-1602_X_uva.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.982456 visibilities/baseline/integration-bin. ! Found source: J1935-1602 ! ! 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 10080 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 J1935-1602_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=1.009662Jy sigma=22.524244 ! Fit after self-cal, rms=0.884654Jy sigma=19.657748 ! 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=0.6422 mas, bmaj=1.701 mas, bpa=-9.082 degrees ! Estimated noise=0.509412 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 = 0.0869514 Jy ! Component: 100 - total flux cleaned = 0.11452 Jy ! Total flux subtracted in 100 components = 0.11452 Jy ! Clean residual min=-0.018296 max=0.055354 Jy/beam ! Clean residual mean=-0.000049 rms=0.005339 Jy/beam ! Combined flux in latest and established models = 0.11452 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.11452 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=0.104540Jy sigma=2.296159 ! Fit after self-cal, rms=0.104350Jy sigma=2.289094 ! Inverting map ! Added new window around map position (10.2, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0440101 Jy ! Component: 100 - total flux cleaned = 0.0608358 Jy ! Total flux subtracted in 100 components = 0.0608358 Jy ! Clean residual min=-0.014506 max=0.024302 Jy/beam ! Clean residual mean=-0.000045 rms=0.003465 Jy/beam ! Combined flux in latest and established models = 0.175356 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 21 components and 0.175356 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=0.081044Jy sigma=1.776873 ! Fit after self-cal, rms=0.077253Jy sigma=1.695208 ! 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=0.8209 mas, bmaj=2.06 mas, bpa=-7.516 degrees ! Estimated noise=0.349286 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 = 0.02601 Jy ! Component: 100 - total flux cleaned = 0.0417274 Jy ! Component: 150 - total flux cleaned = 0.0532471 Jy ! Component: 200 - total flux cleaned = 0.0622091 Jy ! Total flux subtracted in 200 components = 0.0622091 Jy ! Clean residual min=-0.009454 max=0.015300 Jy/beam ! Clean residual mean=-0.000045 rms=0.003162 Jy/beam ! Combined flux in latest and established models = 0.237565 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 45 components and 0.237565 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=0.066619Jy sigma=1.452373 ! Fit after self-cal, rms=0.065151Jy sigma=1.417680 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8209 x 2.06 at -7.516 degrees (North through East) ! Clean map min=-0.0080372 max=0.11861 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 HN 1.14 KP 1.01 ! LA 0.92 MK 0.95 NL 1.16 OV 0.93 ! PT 0.80 SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.94 HN 1.11 KP 0.99 ! LA 0.87 MK 1.04 NL 1.26 OV 0.89 ! PT 0.78 SC 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.90 HN 1.10 KP 0.98 ! LA 0.89 MK 0.95 NL 1.22 OV 0.89 ! PT 0.77 SC 1.08 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.93 HN 1.03 KP 1.00 ! LA 0.88 MK 0.93 NL 1.22 OV 0.93 ! PT 0.81 SC 1.13 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.92 HN 1.11 KP 0.99 ! LA 0.87 MK 0.91 NL 1.19 OV 0.88 ! PT 0.79 SC 1.10 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.92 HN 1.06 KP 0.99 ! LA 0.90 MK 0.92 NL 1.19 OV 0.94 ! PT 0.81 SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.90 HN 1.08 KP 0.96 ! LA 0.90 MK 0.98 NL 1.19 OV 0.91 ! PT 0.79 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.91 HN 1.10 KP 0.97 ! LA 0.90 MK 0.92 NL 1.18 OV 0.88 ! PT 0.80 SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.93 HN 1.11 KP 0.96 ! LA 0.91 MK 0.90 NL 1.18 OV 0.95 ! PT 0.77 SC 1.02 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.92 HN 1.07 KP 1.00 ! LA 0.86 MK 0.94 NL 1.22 OV 0.91 ! PT 0.79 SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 HN 1.07 KP 0.97 ! LA 0.88 MK 0.97 NL 1.19 OV 0.87 ! PT 0.83 SC 1.05 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.93 HN 1.03 KP 0.95 ! LA 0.91 MK 0.96 NL 1.28 OV 0.93 ! PT 0.78 SC 1.07 ! ! ! Fit before self-cal, rms=0.065151Jy sigma=1.417680 ! Fit after self-cal, rms=0.058125Jy sigma=1.300005 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8355 mas, bmaj=2.105 mas, bpa=-7.987 degrees ! Estimated noise=0.327949 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 (8.8, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00982786 Jy ! Component: 100 - total flux cleaned = 0.0117533 Jy ! Component: 150 - total flux cleaned = 0.0122374 Jy ! Component: 200 - total flux cleaned = 0.0124888 Jy ! Total flux subtracted in 200 components = 0.0124888 Jy ! Clean residual min=-0.005109 max=0.006813 Jy/beam ! Clean residual mean=0.000003 rms=0.001153 Jy/beam ! Combined flux in latest and established models = 0.250054 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 71 components and 0.250054 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=0.056253Jy sigma=1.250014 ! Fit after self-cal, rms=0.056097Jy sigma=1.241307 ! 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=0.056097Jy sigma=1.241307 ! Fit after self-cal, rms=0.055159Jy sigma=1.238983 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8332 mas, bmaj=2.107 mas, bpa=-8.131 degrees ! Estimated noise=0.326368 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00244042 Jy ! Component: 100 - total flux cleaned = 0.00300554 Jy ! Component: 150 - total flux cleaned = 0.00302432 Jy ! Component: 200 - total flux cleaned = 0.00264864 Jy ! Total flux subtracted in 200 components = 0.00264864 Jy ! Clean residual min=-0.003218 max=0.003877 Jy/beam ! Clean residual mean=-0.000000 rms=0.000834 Jy/beam ! Combined flux in latest and established models = 0.252703 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 79 components and 0.252703 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=0.054729Jy sigma=1.227896 ! Fit after self-cal, rms=0.054642Jy sigma=1.225162 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 (5.6, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00296995 Jy ! Component: 100 - total flux cleaned = 0.00325893 Jy ! Component: 150 - total flux cleaned = 0.00294981 Jy ! Component: 200 - total flux cleaned = 0.00268675 Jy ! Total flux subtracted in 200 components = 0.00268675 Jy ! Clean residual min=-0.002831 max=0.002871 Jy/beam ! Clean residual mean=0.000000 rms=0.000669 Jy/beam ! Combined flux in latest and established models = 0.25539 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 97 components and 0.25539 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=0.054283Jy sigma=1.218126 ! Fit after self-cal, rms=0.054266Jy sigma=1.217451 ! 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=0.054266Jy sigma=1.217451 ! Fit after self-cal, rms=0.053824Jy sigma=1.216406 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8334 mas, bmaj=2.112 mas, bpa=-8.236 degrees ! Estimated noise=0.325326 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00136094 Jy ! Component: 100 - total flux cleaned = 0.00143314 Jy ! Component: 150 - total flux cleaned = 0.00117216 Jy ! Component: 200 - total flux cleaned = 0.000982827 Jy ! Total flux subtracted in 200 components = 0.000982827 Jy ! Clean residual min=-0.002503 max=0.002378 Jy/beam ! Clean residual mean=-0.000001 rms=0.000555 Jy/beam ! Combined flux in latest and established models = 0.256372 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 106 components and 0.256372 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=0.053681Jy sigma=1.213427 ! Fit after self-cal, rms=0.053673Jy sigma=1.213114 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 = 0.00017237 Jy ! Component: 100 - total flux cleaned = -2.54206e-06 Jy ! Component: 150 - total flux cleaned = -0.000201611 Jy ! Component: 200 - total flux cleaned = -0.000347132 Jy ! Total flux subtracted in 200 components = -0.000347132 Jy ! Clean residual min=-0.002375 max=0.002171 Jy/beam ! Clean residual mean=-0.000001 rms=0.000516 Jy/beam ! Combined flux in latest and established models = 0.256025 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 116 components and 0.256025 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=0.053604Jy sigma=1.211759 ! Fit after self-cal, rms=0.053604Jy sigma=1.211609 ! 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=0.053604Jy sigma=1.211609 ! Fit after self-cal, rms=0.053481Jy sigma=1.211417 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.246 mas, bmaj=4.361 mas, bpa=-6.234 degrees ! Estimated noise=0.411504 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000470993 Jy ! Component: 100 - total flux cleaned = -0.000521052 Jy ! Component: 150 - total flux cleaned = -0.000653461 Jy ! Component: 200 - total flux cleaned = -0.000852855 Jy ! Total flux subtracted in 200 components = -0.000852855 Jy ! Clean residual min=-0.002248 max=0.002179 Jy/beam ! Clean residual mean=-0.000002 rms=0.000574 Jy/beam ! Combined flux in latest and established models = 0.255172 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 128 components and 0.255172 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=0.053466Jy sigma=1.211164 ! Fit after self-cal, rms=0.053456Jy sigma=1.210990 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 = -9.77957e-05 Jy ! Component: 100 - total flux cleaned = -0.000245262 Jy ! Component: 150 - total flux cleaned = -0.000411885 Jy ! Component: 200 - total flux cleaned = -0.000533228 Jy ! Total flux subtracted in 200 components = -0.000533228 Jy ! Clean residual min=-0.002020 max=0.002002 Jy/beam ! Clean residual mean=-0.000002 rms=0.000536 Jy/beam ! Combined flux in latest and established models = 0.254639 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 130 components and 0.254639 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=0.053462Jy sigma=1.211269 ! Fit after self-cal, rms=0.053456Jy sigma=1.211155 ! 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=0.8337 mas, bmaj=2.114 mas, bpa=-8.292 degrees ! Estimated noise=0.324946 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8337 x 2.114 at -8.292 degrees (North through East) ! Clean map min=-0.0020837 max=0.11161 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=0.6471 mas, bmaj=1.731 mas, bpa=-9.686 degrees ! Estimated noise=0.483034 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0919374 Jy ! Component: 100 - total flux cleaned = 0.13468 Jy ! Component: 150 - total flux cleaned = 0.158742 Jy ! Component: 200 - total flux cleaned = 0.175714 Jy ! Total flux subtracted in 200 components = 0.175714 Jy ! Clean residual min=-0.008589 max=0.010882 Jy/beam ! Clean residual mean=-0.000021 rms=0.002126 Jy/beam ! Combined flux in latest and established models = 0.175714 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.175714 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8337 mas, bmaj=2.114 mas, bpa=-8.292 degrees ! Estimated noise=0.324946 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 = 0.0216875 Jy ! Component: 100 - total flux cleaned = 0.0360438 Jy ! Component: 150 - total flux cleaned = 0.046357 Jy ! Component: 200 - total flux cleaned = 0.0538702 Jy ! Total flux subtracted in 200 components = 0.0538702 Jy ! Clean residual min=-0.003976 max=0.005837 Jy/beam ! Clean residual mean=-0.000012 rms=0.001204 Jy/beam ! Combined flux in latest and established models = 0.229584 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 64 components and 0.229584 Jy ! Inverting map ! Added new window around map position (-12.2, -24). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00611503 Jy ! Component: 100 - total flux cleaned = 0.0107178 Jy ! Component: 150 - total flux cleaned = 0.0144435 Jy ! Component: 200 - total flux cleaned = 0.0169042 Jy ! Total flux subtracted in 200 components = 0.0169042 Jy ! Clean residual min=-0.002991 max=0.003083 Jy/beam ! Clean residual mean=-0.000007 rms=0.000719 Jy/beam ! Combined flux in latest and established models = 0.246488 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 85 components and 0.246488 Jy ! Inverting map ! Added new window around map position (1.4, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00317723 Jy ! Component: 100 - total flux cleaned = 0.00465956 Jy ! Component: 150 - total flux cleaned = 0.00566755 Jy ! Component: 200 - total flux cleaned = 0.00647816 Jy ! Total flux subtracted in 200 components = 0.00647816 Jy ! Clean residual min=-0.002440 max=0.002083 Jy/beam ! Clean residual mean=-0.000004 rms=0.000557 Jy/beam ! Combined flux in latest and established models = 0.252966 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 110 components and 0.252966 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=2.246 mas, bmaj=4.361 mas, bpa=-6.234 degrees ! Estimated noise=0.411504 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000131831 Jy ! Component: 100 - total flux cleaned = 0.000205827 Jy ! Component: 150 - total flux cleaned = 9.4953e-05 Jy ! Component: 200 - total flux cleaned = 0.000201256 Jy ! Total flux subtracted in 200 components = 0.000201256 Jy ! Clean residual min=-0.002211 max=0.002024 Jy/beam ! Clean residual mean=-0.000006 rms=0.000611 Jy/beam ! Combined flux in latest and established models = 0.253167 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 = 9.66688e-05 Jy ! Component: 100 - total flux cleaned = 0.000228527 Jy ! Component: 150 - total flux cleaned = 0.000267839 Jy ! Component: 200 - total flux cleaned = 0.000305897 Jy ! Total flux subtracted in 200 components = 0.000305897 Jy ! Clean residual min=-0.001947 max=0.001805 Jy/beam ! Clean residual mean=-0.000004 rms=0.000531 Jy/beam ! Combined flux in latest and established models = 0.253473 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 145 components and 0.253473 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8337 mas, bmaj=2.114 mas, bpa=-8.292 degrees ! Estimated noise=0.324946 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00124526 Jy ! Component: 100 - total flux cleaned = 0.00193688 Jy ! Component: 150 - total flux cleaned = 0.00229372 Jy ! Component: 200 - total flux cleaned = 0.00225302 Jy ! Total flux subtracted in 200 components = 0.00225302 Jy ! Clean residual min=-0.001824 max=0.001922 Jy/beam ! Clean residual mean=-0.000001 rms=0.000432 Jy/beam ! Combined flux in latest and established models = 0.255726 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 165 components and 0.255726 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=0.053380Jy sigma=1.209816 ! Fit after self-cal, rms=0.053347Jy sigma=1.208871 wmodel J1935-1602_X_map.mod ! Writing 165 model components to file: J1935-1602_X_map.mod wobs J1935-1602_X_uvs.fits ! Writing UV FITS file: J1935-1602_X_uvs.fits wwins J1935-1602_X_map.win ! wwins: Wrote 6 windows to J1935-1602_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 = -9.97254e-05 Jy ! Component: 100 - total flux cleaned = -0.000160255 Jy ! Component: 150 - total flux cleaned = -0.000131786 Jy ! Component: 200 - total flux cleaned = -0.000209287 Jy ! Component: 250 - total flux cleaned = -0.000360097 Jy ! Component: 300 - total flux cleaned = -0.000408238 Jy ! Component: 350 - total flux cleaned = -0.00045469 Jy ! Component: 400 - total flux cleaned = -0.000454432 Jy ! Component: 450 - total flux cleaned = -0.000476883 Jy ! Component: 500 - total flux cleaned = -0.000477159 Jy ! Component: 550 - total flux cleaned = -0.000477408 Jy ! Component: 600 - total flux cleaned = -0.000517899 Jy ! Component: 650 - total flux cleaned = -0.000517743 Jy ! Component: 700 - total flux cleaned = -0.000614333 Jy ! Component: 750 - total flux cleaned = -0.000614594 Jy ! Component: 800 - total flux cleaned = -0.000671015 Jy ! Component: 850 - total flux cleaned = -0.000762315 Jy ! Component: 900 - total flux cleaned = -0.000762251 Jy ! Component: 950 - total flux cleaned = -0.000814909 Jy ! Component: 1000 - total flux cleaned = -0.000815042 Jy ! Component: 1050 - total flux cleaned = -0.000917178 Jy ! Component: 1100 - total flux cleaned = -0.000933442 Jy ! Component: 1150 - total flux cleaned = -0.00093363 Jy ! Component: 1200 - total flux cleaned = -0.000966389 Jy ! Component: 1250 - total flux cleaned = -0.00103038 Jy ! Component: 1300 - total flux cleaned = -0.00104606 Jy ! Component: 1350 - total flux cleaned = -0.00109268 Jy ! Component: 1400 - total flux cleaned = -0.00115411 Jy ! Component: 1450 - total flux cleaned = -0.0011691 Jy ! Component: 1500 - total flux cleaned = -0.00125883 Jy ! Component: 1550 - total flux cleaned = -0.00128806 Jy ! Component: 1600 - total flux cleaned = -0.00134639 Jy ! Component: 1650 - total flux cleaned = -0.00138946 Jy ! Component: 1700 - total flux cleaned = -0.00143211 Jy ! Component: 1750 - total flux cleaned = -0.00151638 Jy ! Component: 1800 - total flux cleaned = -0.00154393 Jy ! Component: 1850 - total flux cleaned = -0.00159878 Jy ! Component: 1900 - total flux cleaned = -0.00162582 Jy ! Component: 1950 - total flux cleaned = -0.00167952 Jy ! Component: 2000 - total flux cleaned = -0.00174569 Jy ! Component: 2050 - total flux cleaned = -0.00175879 Jy ! Component: 2100 - total flux cleaned = -0.00179793 Jy ! Component: 2150 - total flux cleaned = -0.00184955 Jy ! Component: 2200 - total flux cleaned = -0.00187509 Jy ! Component: 2250 - total flux cleaned = -0.00192554 Jy ! Component: 2300 - total flux cleaned = -0.00197547 Jy ! Component: 2350 - total flux cleaned = -0.00200021 Jy ! Component: 2400 - total flux cleaned = -0.00200023 Jy ! Component: 2450 - total flux cleaned = -0.00203663 Jy ! Component: 2500 - total flux cleaned = -0.00207274 Jy ! Component: 2550 - total flux cleaned = -0.00209653 Jy ! Component: 2600 - total flux cleaned = -0.00210822 Jy ! Component: 2650 - total flux cleaned = -0.00211995 Jy ! Component: 2700 - total flux cleaned = -0.00209674 Jy ! Component: 2750 - total flux cleaned = -0.00210821 Jy ! Component: 2800 - total flux cleaned = -0.00209671 Jy ! Component: 2850 - total flux cleaned = -0.00210803 Jy ! Component: 2900 - total flux cleaned = -0.00214144 Jy ! Component: 2950 - total flux cleaned = -0.00213026 Jy ! Component: 3000 - total flux cleaned = -0.00213014 Jy ! Component: 3050 - total flux cleaned = -0.00216303 Jy ! Component: 3100 - total flux cleaned = -0.00216303 Jy ! Component: 3150 - total flux cleaned = -0.00216303 Jy ! Component: 3200 - total flux cleaned = -0.00218431 Jy ! Component: 3250 - total flux cleaned = -0.00214183 Jy ! Component: 3300 - total flux cleaned = -0.00215245 Jy ! Component: 3350 - total flux cleaned = -0.00218388 Jy ! Component: 3400 - total flux cleaned = -0.0021734 Jy ! Component: 3450 - total flux cleaned = -0.00218368 Jy ! Component: 3500 - total flux cleaned = -0.00220413 Jy ! Component: 3550 - total flux cleaned = -0.00221429 Jy ! Component: 3600 - total flux cleaned = -0.00223452 Jy ! Component: 3650 - total flux cleaned = -0.00225459 Jy ! Component: 3700 - total flux cleaned = -0.00224457 Jy ! Component: 3750 - total flux cleaned = -0.0022645 Jy ! Component: 3800 - total flux cleaned = -0.00225454 Jy ! Component: 3850 - total flux cleaned = -0.00225455 Jy ! Component: 3900 - total flux cleaned = -0.00224483 Jy ! Component: 3950 - total flux cleaned = -0.00226436 Jy ! Component: 4000 - total flux cleaned = -0.00230317 Jy ! Component: 4050 - total flux cleaned = -0.0022838 Jy ! Total flux subtracted in 4096 components = -0.00225501 Jy ! Clean residual min=-0.000541 max=0.000578 Jy/beam ! Clean residual mean=-0.000001 rms=0.000155 Jy/beam ! Combined flux in latest and established models = 0.253471 Jy keep ! Adding 257 model components to the UV plane model. ! The established model now contains 422 components and 0.253471 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1935-1602_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8337 x 2.114 at -8.292 degrees (North through East) ! Clean map min=-0.0012757 max=0.11212 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1935-1602_X_map.fits wmodel /vlbi/uf001/uva//J1935-1602_X_map.mod ! Writing 422 model components to file: /vlbi/uf001/uva//J1935-1602_X_map.mod wobs /vlbi/uf001/uva//J1935-1602_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1935-1602_X_uvs.fits wwins /vlbi/uf001/uva//J1935-1602_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J1935-1602_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.112121 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000149481 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.399964 0.399964 0.799928 1.59986 3.19971 6.39942 12.7988 25.5977 51.1954 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.112 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 750.067 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1935-1602_X_dfm.log closed on Mon Jan 14 05:09:12 2019