! Started logfile: /vlbi/uf001/uva//J1946+2300_X_dfm.log on Mon Jan 14 05:14:11 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//J1946+2300_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1946+2300_X_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.917241 visibilities/baseline/integration-bin. ! Found source: J1946+2300 ! ! 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 43092 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 J1946+2300_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 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 65 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006570Jy sigma=22.554989 ! Fit after self-cal, rms=0.865192Jy sigma=19.478503 ! 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=0.6905 mas, bmaj=1.465 mas, bpa=-6.206 degrees ! Estimated noise=0.328739 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 = 0.0986928 Jy ! Component: 100 - total flux cleaned = 0.121567 Jy ! Total flux subtracted in 100 components = 0.121567 Jy ! Clean residual min=-0.005544 max=0.011615 Jy/beam ! Clean residual mean=-0.000002 rms=0.001117 Jy/beam ! Combined flux in latest and established models = 0.121567 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.121567 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=0.071394Jy sigma=1.327079 ! Fit after self-cal, rms=0.071378Jy sigma=1.326663 ! Inverting map ! Added new window around map position (-1, 2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0119964 Jy ! Component: 100 - total flux cleaned = 0.0196493 Jy ! Total flux subtracted in 100 components = 0.0196493 Jy ! Clean residual min=-0.004916 max=0.005355 Jy/beam ! Clean residual mean=0.000000 rms=0.000889 Jy/beam ! Combined flux in latest and established models = 0.141217 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 22 components and 0.141217 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=0.067819Jy sigma=1.259716 ! Fit after self-cal, rms=0.067751Jy sigma=1.258062 ! 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=0.9225 mas, bmaj=1.768 mas, bpa=-4.864 degrees ! Estimated noise=0.159279 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 = 0.00825852 Jy ! Component: 100 - total flux cleaned = 0.0133106 Jy ! Component: 150 - total flux cleaned = 0.0167258 Jy ! Component: 200 - total flux cleaned = 0.0191215 Jy ! Total flux subtracted in 200 components = 0.0191215 Jy ! Clean residual min=-0.003887 max=0.005195 Jy/beam ! Clean residual mean=0.000003 rms=0.000904 Jy/beam ! Combined flux in latest and established models = 0.160338 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 54 components and 0.160338 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=0.066046Jy sigma=1.236522 ! Fit after self-cal, rms=0.066014Jy sigma=1.235515 ! Inverting map ! Added new window around map position (-2.2, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00495294 Jy ! Component: 100 - total flux cleaned = 0.0077923 Jy ! Component: 150 - total flux cleaned = 0.00975576 Jy ! Component: 200 - total flux cleaned = 0.0107826 Jy ! Total flux subtracted in 200 components = 0.0107826 Jy ! Clean residual min=-0.003873 max=0.004461 Jy/beam ! Clean residual mean=0.000005 rms=0.000826 Jy/beam ! Combined flux in latest and established models = 0.171121 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 68 components and 0.171121 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=0.065466Jy sigma=1.226488 ! Fit after self-cal, rms=0.065402Jy sigma=1.225420 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9225 x 1.768 at -4.864 degrees (North through East) ! Clean map min=-0.0037009 max=0.13042 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.96 KP 0.96 ! LA 1.02 MK 1.04 NL 1.10 OV 0.93 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.96 KP 0.94 ! LA 1.02 MK 1.01 NL 1.11 OV 0.94 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.04 HN 0.98 KP 0.94 ! LA 1.00 MK 1.04 NL 1.10 OV 0.93 ! PT 0.96 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.04 HN 0.95 KP 0.97 ! LA 0.98 MK 1.02 NL 1.08 OV 0.93 ! PT 0.97 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.04 HN 0.96 KP 0.99 ! LA 0.99 MK 1.02 NL 1.14 OV 0.94 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.94 KP 0.96 ! LA 1.01 MK 1.03 NL 1.10 OV 0.95 ! PT 0.94 SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 0.97 KP 0.97 ! LA 0.99 MK 1.01 NL 1.11 OV 0.93 ! PT 0.96 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.05 HN 0.97 KP 0.96 ! LA 1.00 MK 0.99 NL 1.13 OV 0.94 ! PT 0.96 SC 1.03 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.03 HN 0.97 KP 0.97 ! LA 1.01 MK 1.05 NL 1.09 OV 0.94 ! PT 0.95 SC 1.02 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.07 HN 0.98 KP 0.96 ! LA 0.99 MK 1.01 NL 1.11 OV 0.95 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.04 HN 1.01 KP 0.98 ! LA 1.03 MK 1.03 NL 1.14 OV 0.94 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.98 KP 0.95 ! LA 1.00 MK 1.01 NL 1.12 OV 0.95 ! PT 0.96 SC 1.03 ! ! ! Fit before self-cal, rms=0.065402Jy sigma=1.225420 ! Fit after self-cal, rms=0.063660Jy sigma=1.206055 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9241 mas, bmaj=1.779 mas, bpa=-4.71 degrees ! Estimated noise=0.161053 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, 4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00217771 Jy ! Component: 100 - total flux cleaned = 0.00270364 Jy ! Component: 150 - total flux cleaned = 0.00299421 Jy ! Component: 200 - total flux cleaned = 0.00327818 Jy ! Total flux subtracted in 200 components = 0.00327818 Jy ! Clean residual min=-0.002527 max=0.002231 Jy/beam ! Clean residual mean=0.000007 rms=0.000645 Jy/beam ! Combined flux in latest and established models = 0.174399 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 95 components and 0.174399 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=0.063395Jy sigma=1.202386 ! Fit after self-cal, rms=0.063371Jy sigma=1.202002 ! 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=0.063371Jy sigma=1.202002 ! Fit after self-cal, rms=0.058758Jy sigma=1.179877 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9245 mas, bmaj=1.776 mas, bpa=-4.665 degrees ! Estimated noise=0.16161 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000484065 Jy ! Component: 100 - total flux cleaned = -0.000347093 Jy ! Component: 150 - total flux cleaned = -0.00030984 Jy ! Component: 200 - total flux cleaned = -0.00036698 Jy ! Total flux subtracted in 200 components = -0.00036698 Jy ! Clean residual min=-0.001396 max=0.001225 Jy/beam ! Clean residual mean=0.000000 rms=0.000291 Jy/beam ! Combined flux in latest and established models = 0.174032 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 107 components and 0.174032 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=0.058701Jy sigma=1.178695 ! Fit after self-cal, rms=0.058681Jy sigma=1.178554 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 = -0.000213522 Jy ! Component: 100 - total flux cleaned = -0.000263618 Jy ! Component: 150 - total flux cleaned = -0.000355949 Jy ! Component: 200 - total flux cleaned = -0.000397505 Jy ! Total flux subtracted in 200 components = -0.000397505 Jy ! Clean residual min=-0.001365 max=0.001200 Jy/beam ! Clean residual mean=0.000000 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.173634 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 112 components and 0.173634 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=0.058662Jy sigma=1.178165 ! Fit after self-cal, rms=0.058661Jy sigma=1.178150 ! 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=0.058661Jy sigma=1.178150 ! Fit after self-cal, rms=0.057686Jy sigma=1.176067 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9241 mas, bmaj=1.779 mas, bpa=-4.619 degrees ! Estimated noise=0.161565 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000987151 Jy ! Component: 100 - total flux cleaned = -0.00135193 Jy ! Component: 150 - total flux cleaned = -0.00149217 Jy ! Component: 200 - total flux cleaned = -0.0015546 Jy ! Total flux subtracted in 200 components = -0.0015546 Jy ! Clean residual min=-0.000928 max=0.000919 Jy/beam ! Clean residual mean=-0.000000 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.17208 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 121 components and 0.17208 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=0.057661Jy sigma=1.175525 ! Fit after self-cal, rms=0.057648Jy sigma=1.175482 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 = -0.000266254 Jy ! Component: 100 - total flux cleaned = -0.000322277 Jy ! Component: 150 - total flux cleaned = -0.000372983 Jy ! Component: 200 - total flux cleaned = -0.000403662 Jy ! Total flux subtracted in 200 components = -0.000403662 Jy ! Clean residual min=-0.000892 max=0.000903 Jy/beam ! Clean residual mean=-0.000000 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.171676 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 125 components and 0.171676 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=0.057638Jy sigma=1.175268 ! Fit after self-cal, rms=0.057638Jy sigma=1.175258 ! 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=0.057638Jy sigma=1.175258 ! Fit after self-cal, rms=0.057580Jy sigma=1.175139 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.161 mas, bmaj=2.761 mas, bpa=-2.899 degrees ! Estimated noise=0.204955 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000698913 Jy ! Component: 100 - total flux cleaned = -0.000884681 Jy ! Component: 150 - total flux cleaned = -0.000940355 Jy ! Component: 200 - total flux cleaned = -0.000963668 Jy ! Total flux subtracted in 200 components = -0.000963668 Jy ! Clean residual min=-0.001021 max=0.001074 Jy/beam ! Clean residual mean=-0.000001 rms=0.000258 Jy/beam ! Combined flux in latest and established models = 0.170712 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 137 components and 0.170712 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=0.057575Jy sigma=1.175017 ! Fit after self-cal, rms=0.057573Jy sigma=1.175005 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 = -6.39173e-05 Jy ! Component: 100 - total flux cleaned = -7.26951e-05 Jy ! Component: 150 - total flux cleaned = -7.24751e-05 Jy ! Component: 200 - total flux cleaned = -7.92689e-05 Jy ! Total flux subtracted in 200 components = -7.92689e-05 Jy ! Clean residual min=-0.000986 max=0.001053 Jy/beam ! Clean residual mean=-0.000001 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.170633 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 139 components and 0.170633 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=0.057573Jy sigma=1.174988 ! Fit after self-cal, rms=0.057572Jy sigma=1.174985 ! 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=0.9239 mas, bmaj=1.78 mas, bpa=-4.599 degrees ! Estimated noise=0.16153 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9239 x 1.78 at -4.599 degrees (North through East) ! Clean map min=-0.00077081 max=0.13225 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=0.6932 mas, bmaj=1.469 mas, bpa=-5.738 degrees ! Estimated noise=0.334064 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.100124 Jy ! Component: 100 - total flux cleaned = 0.124217 Jy ! Component: 150 - total flux cleaned = 0.135906 Jy ! Component: 200 - total flux cleaned = 0.143392 Jy ! Total flux subtracted in 200 components = 0.143392 Jy ! Clean residual min=-0.002396 max=0.004059 Jy/beam ! Clean residual mean=-0.000004 rms=0.000608 Jy/beam ! Combined flux in latest and established models = 0.143392 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.143392 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9239 mas, bmaj=1.78 mas, bpa=-4.599 degrees ! Estimated noise=0.16153 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 = 0.0074122 Jy ! Component: 100 - total flux cleaned = 0.0121809 Jy ! Component: 150 - total flux cleaned = 0.0155365 Jy ! Component: 200 - total flux cleaned = 0.0179848 Jy ! Total flux subtracted in 200 components = 0.0179848 Jy ! Clean residual min=-0.001018 max=0.001401 Jy/beam ! Clean residual mean=-0.000003 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.161377 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 54 components and 0.161377 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00182656 Jy ! Component: 100 - total flux cleaned = 0.00322575 Jy ! Component: 150 - total flux cleaned = 0.00432531 Jy ! Component: 200 - total flux cleaned = 0.00522183 Jy ! Total flux subtracted in 200 components = 0.00522183 Jy ! Clean residual min=-0.000884 max=0.000999 Jy/beam ! Clean residual mean=-0.000002 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.166599 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 69 components and 0.166599 Jy ! Inverting map ! Added new window around map position (-6, 8.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000894476 Jy ! Component: 100 - total flux cleaned = 0.0014439 Jy ! Component: 150 - total flux cleaned = 0.00190405 Jy ! Component: 200 - total flux cleaned = 0.00225375 Jy ! Total flux subtracted in 200 components = 0.00225375 Jy ! Clean residual min=-0.000864 max=0.000921 Jy/beam ! Clean residual mean=-0.000001 rms=0.000188 Jy/beam ! Combined flux in latest and established models = 0.168853 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 88 components and 0.168853 Jy ! Inverting map ! Added new window around map position (45.2, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000763688 Jy ! Component: 100 - total flux cleaned = 0.000996521 Jy ! Component: 150 - total flux cleaned = 0.00126056 Jy ! Component: 200 - total flux cleaned = 0.00144 Jy ! Total flux subtracted in 200 components = 0.00144 Jy ! Clean residual min=-0.000777 max=0.000775 Jy/beam ! Clean residual mean=-0.000001 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.170293 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 111 components and 0.170293 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=2.161 mas, bmaj=2.761 mas, bpa=-2.899 degrees ! Estimated noise=0.204955 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000503282 Jy ! Component: 100 - total flux cleaned = 0.00089198 Jy ! Component: 150 - total flux cleaned = 0.00121254 Jy ! Component: 200 - total flux cleaned = 0.00147781 Jy ! Total flux subtracted in 200 components = 0.00147781 Jy ! Clean residual min=-0.000938 max=0.000905 Jy/beam ! Clean residual mean=-0.000002 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.17177 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000162059 Jy ! Component: 100 - total flux cleaned = 0.000258341 Jy ! Component: 150 - total flux cleaned = 0.000325259 Jy ! Component: 200 - total flux cleaned = 0.000360579 Jy ! Total flux subtracted in 200 components = 0.000360579 Jy ! Clean residual min=-0.000933 max=0.000902 Jy/beam ! Clean residual mean=-0.000002 rms=0.000223 Jy/beam ! Combined flux in latest and established models = 0.172131 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 151 components and 0.172131 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9239 mas, bmaj=1.78 mas, bpa=-4.599 degrees ! Estimated noise=0.16153 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000352752 Jy ! Component: 100 - total flux cleaned = -0.000352704 Jy ! Component: 150 - total flux cleaned = -0.000353381 Jy ! Component: 200 - total flux cleaned = -0.000329231 Jy ! Total flux subtracted in 200 components = -0.000329231 Jy ! Clean residual min=-0.000738 max=0.000713 Jy/beam ! Clean residual mean=-0.000001 rms=0.000172 Jy/beam ! Combined flux in latest and established models = 0.171802 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 162 components and 0.171802 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=0.057541Jy sigma=1.174338 ! Fit after self-cal, rms=0.057535Jy sigma=1.174235 wmodel J1946+2300_X_map.mod ! Writing 162 model components to file: J1946+2300_X_map.mod wobs J1946+2300_X_uvs.fits ! Writing UV FITS file: J1946+2300_X_uvs.fits wwins J1946+2300_X_map.win ! wwins: Wrote 6 windows to J1946+2300_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 = -0.000173153 Jy ! Component: 100 - total flux cleaned = -0.000385511 Jy ! Component: 150 - total flux cleaned = -0.000517115 Jy ! Component: 200 - total flux cleaned = -0.000586901 Jy ! Component: 250 - total flux cleaned = -0.000688729 Jy ! Component: 300 - total flux cleaned = -0.000766033 Jy ! Component: 350 - total flux cleaned = -0.00082024 Jy ! Component: 400 - total flux cleaned = -0.000873425 Jy ! Component: 450 - total flux cleaned = -0.000925668 Jy ! Component: 500 - total flux cleaned = -0.000997397 Jy ! Component: 550 - total flux cleaned = -0.0010377 Jy ! Component: 600 - total flux cleaned = -0.00110723 Jy ! Component: 650 - total flux cleaned = -0.00115599 Jy ! Component: 700 - total flux cleaned = -0.00118477 Jy ! Component: 750 - total flux cleaned = -0.00124195 Jy ! Component: 800 - total flux cleaned = -0.00128887 Jy ! Component: 850 - total flux cleaned = -0.00136286 Jy ! Component: 900 - total flux cleaned = -0.00141771 Jy ! Component: 950 - total flux cleaned = -0.00146282 Jy ! Component: 1000 - total flux cleaned = -0.00148963 Jy ! Component: 1050 - total flux cleaned = -0.00153386 Jy ! Component: 1100 - total flux cleaned = -0.00156012 Jy ! Component: 1150 - total flux cleaned = -0.0016123 Jy ! Component: 1200 - total flux cleaned = -0.00165521 Jy ! Component: 1250 - total flux cleaned = -0.00170612 Jy ! Component: 1300 - total flux cleaned = -0.0017145 Jy ! Component: 1350 - total flux cleaned = -0.00175621 Jy ! Component: 1400 - total flux cleaned = -0.00180585 Jy ! Component: 1450 - total flux cleaned = -0.00182217 Jy ! Component: 1500 - total flux cleaned = -0.00185471 Jy ! Component: 1550 - total flux cleaned = -0.00189495 Jy ! Component: 1600 - total flux cleaned = -0.0019269 Jy ! Component: 1650 - total flux cleaned = -0.00196659 Jy ! Component: 1700 - total flux cleaned = -0.00197444 Jy ! Component: 1750 - total flux cleaned = -0.00200568 Jy ! Component: 1800 - total flux cleaned = -0.00202893 Jy ! Component: 1850 - total flux cleaned = -0.00204427 Jy ! Component: 1900 - total flux cleaned = -0.00209011 Jy ! Component: 1950 - total flux cleaned = -0.00210521 Jy ! Component: 2000 - total flux cleaned = -0.00212766 Jy ! Component: 2050 - total flux cleaned = -0.00216499 Jy ! Component: 2100 - total flux cleaned = -0.00217983 Jy ! Component: 2150 - total flux cleaned = -0.00221659 Jy ! Component: 2200 - total flux cleaned = -0.00224575 Jy ! Component: 2250 - total flux cleaned = -0.00225305 Jy ! Component: 2300 - total flux cleaned = -0.00228186 Jy ! Component: 2350 - total flux cleaned = -0.00230329 Jy ! Component: 2400 - total flux cleaned = -0.00233171 Jy ! Component: 2450 - total flux cleaned = -0.00233179 Jy ! Component: 2500 - total flux cleaned = -0.00233185 Jy ! Component: 2550 - total flux cleaned = -0.0023667 Jy ! Component: 2600 - total flux cleaned = -0.00238742 Jy ! Component: 2650 - total flux cleaned = -0.00240124 Jy ! Component: 2700 - total flux cleaned = -0.00239436 Jy ! Component: 2750 - total flux cleaned = -0.00242844 Jy ! Component: 2800 - total flux cleaned = -0.00246894 Jy ! Component: 2850 - total flux cleaned = -0.00245539 Jy ! Component: 2900 - total flux cleaned = -0.00243534 Jy ! Component: 2950 - total flux cleaned = -0.00247522 Jy ! Component: 3000 - total flux cleaned = -0.0024884 Jy ! Component: 3050 - total flux cleaned = -0.00250151 Jy ! Component: 3100 - total flux cleaned = -0.00251451 Jy ! Component: 3150 - total flux cleaned = -0.00250153 Jy ! Component: 3200 - total flux cleaned = -0.00250153 Jy ! Component: 3250 - total flux cleaned = -0.00254645 Jy ! Component: 3300 - total flux cleaned = -0.00253365 Jy ! Component: 3350 - total flux cleaned = -0.00254001 Jy ! Component: 3400 - total flux cleaned = -0.00250218 Jy ! Component: 3450 - total flux cleaned = -0.00252105 Jy ! Component: 3500 - total flux cleaned = -0.00250854 Jy ! Component: 3550 - total flux cleaned = -0.00252726 Jy ! Component: 3600 - total flux cleaned = -0.0025087 Jy ! Component: 3650 - total flux cleaned = -0.00250873 Jy ! Component: 3700 - total flux cleaned = -0.00250878 Jy ! Component: 3750 - total flux cleaned = -0.00251486 Jy ! Component: 3800 - total flux cleaned = -0.00251488 Jy ! Component: 3850 - total flux cleaned = -0.00247268 Jy ! Component: 3900 - total flux cleaned = -0.00249067 Jy ! Component: 3950 - total flux cleaned = -0.00246687 Jy ! Component: 4000 - total flux cleaned = -0.00247284 Jy ! Component: 4050 - total flux cleaned = -0.0024965 Jy ! Total flux subtracted in 4096 components = -0.00250831 Jy ! Clean residual min=-0.000348 max=0.000321 Jy/beam ! Clean residual mean=-0.000001 rms=0.000101 Jy/beam ! Combined flux in latest and established models = 0.169293 Jy keep ! Adding 333 model components to the UV plane model. ! The established model now contains 495 components and 0.169293 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1946+2300_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9239 x 1.78 at -4.599 degrees (North through East) ! Clean map min=-0.00050773 max=0.13269 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1946+2300_X_map.fits wmodel /vlbi/uf001/uva//J1946+2300_X_map.mod ! Writing 495 model components to file: /vlbi/uf001/uva//J1946+2300_X_map.mod wobs /vlbi/uf001/uva//J1946+2300_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1946+2300_X_uvs.fits wwins /vlbi/uf001/uva//J1946+2300_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J1946+2300_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.132694 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000100014 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.226115 0.226115 0.452231 0.904461 1.80892 3.61784 7.23569 14.4714 28.9428 57.8855 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.132 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1326.76 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1946+2300_X_dfm.log closed on Mon Jan 14 05:14:17 2019