! Started logfile: /vlbi/uf001/uva//J2018+0831_X_dfm.log on Mon Jan 14 05:26:34 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//J2018+0831_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2018+0831_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.968421 visibilities/baseline/integration-bin. ! Found source: J2018+0831 ! ! 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 29808 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 J2018+0831_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 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.032369Jy sigma=25.960567 ! Fit after self-cal, rms=0.738950Jy sigma=18.578277 ! 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=0.6758 mas, bmaj=1.661 mas, bpa=-2.85 degrees ! Estimated noise=0.29371 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 = 0.194847 Jy ! Component: 100 - total flux cleaned = 0.244747 Jy ! Total flux subtracted in 100 components = 0.244747 Jy ! Clean residual min=-0.008931 max=0.021179 Jy/beam ! Clean residual mean=0.000002 rms=0.001798 Jy/beam ! Combined flux in latest and established models = 0.244747 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.244747 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=0.071610Jy sigma=1.757995 ! Fit after self-cal, rms=0.071596Jy sigma=1.757552 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.023438 Jy ! Component: 100 - total flux cleaned = 0.0364147 Jy ! Total flux subtracted in 100 components = 0.0364147 Jy ! Clean residual min=-0.006283 max=0.009610 Jy/beam ! Clean residual mean=0.000001 rms=0.001208 Jy/beam ! Combined flux in latest and established models = 0.281162 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.281162 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=0.060723Jy sigma=1.471956 ! Fit after self-cal, rms=0.060702Jy sigma=1.471449 ! Inverting map ! Added new window around map position (-1, -2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00956214 Jy ! Component: 100 - total flux cleaned = 0.0163689 Jy ! Total flux subtracted in 100 components = 0.0163689 Jy ! Clean residual min=-0.005206 max=0.008173 Jy/beam ! Clean residual mean=0.000000 rms=0.001050 Jy/beam ! Combined flux in latest and established models = 0.297531 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 23 components and 0.297531 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=0.058457Jy sigma=1.411108 ! Fit after self-cal, rms=0.058404Jy sigma=1.409635 ! Inverting map ! Added new window around map position (1.2, 2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00734692 Jy ! Component: 100 - total flux cleaned = 0.011746 Jy ! Total flux subtracted in 100 components = 0.011746 Jy ! Clean residual min=-0.004821 max=0.004841 Jy/beam ! Clean residual mean=-0.000000 rms=0.000937 Jy/beam ! Combined flux in latest and established models = 0.309277 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 34 components and 0.309277 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=0.057218Jy sigma=1.376299 ! Fit after self-cal, rms=0.057182Jy sigma=1.375500 ! 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=0.8575 mas, bmaj=1.955 mas, bpa=-2.281 degrees ! Estimated noise=0.166518 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 (0.4, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00721493 Jy ! Component: 100 - total flux cleaned = 0.0123005 Jy ! Component: 150 - total flux cleaned = 0.0163829 Jy ! Component: 200 - total flux cleaned = 0.018829 Jy ! Total flux subtracted in 200 components = 0.018829 Jy ! Clean residual min=-0.004138 max=0.004421 Jy/beam ! Clean residual mean=-0.000002 rms=0.000949 Jy/beam ! Combined flux in latest and established models = 0.328106 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 67 components and 0.328106 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=0.055999Jy sigma=1.340813 ! Fit after self-cal, rms=0.055961Jy sigma=1.339756 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8575 x 1.955 at -2.281 degrees (North through East) ! Clean map min=-0.0039174 max=0.25857 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 0.94 KP 1.03 ! LA 1.01 MK 1.00 NL 1.05 OV 0.92 ! PT 0.92 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HN 0.95 KP 1.03 ! LA 0.99 MK 1.02 NL 1.07 OV 0.92 ! PT 0.92 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 0.96 KP 1.04 ! LA 1.01 MK 1.01 NL 1.05 OV 0.92 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.03 HN 0.96 KP 1.03 ! LA 1.00 MK 1.02 NL 1.04 OV 0.92 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.96 KP 1.03 ! LA 1.00 MK 1.02 NL 1.06 OV 0.92 ! PT 0.93 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 0.96 KP 1.02 ! LA 1.00 MK 1.02 NL 1.06 OV 0.93 ! PT 0.93 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.02 HN 0.97 KP 1.04 ! LA 1.00 MK 1.03 NL 1.05 OV 0.93 ! PT 0.93 SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.05 HN 0.97 KP 1.04 ! LA 0.99 MK 1.03 NL 1.07 OV 0.93 ! PT 0.93 SC 1.03 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 0.98 KP 1.04 ! LA 1.00 MK 1.05 NL 1.06 OV 0.93 ! PT 0.94 SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.97 KP 1.04 ! LA 1.02 MK 1.05 NL 1.08 OV 0.92 ! PT 0.94 SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.97 KP 1.05 ! LA 1.02 MK 1.03 NL 1.08 OV 0.93 ! PT 0.94 SC 1.02 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 0.98 KP 1.03 ! LA 1.00 MK 1.02 NL 1.09 OV 0.95 ! PT 0.94 SC 1.00 ! ! ! Fit before self-cal, rms=0.055961Jy sigma=1.339756 ! Fit after self-cal, rms=0.053299Jy sigma=1.263495 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8608 mas, bmaj=1.971 mas, bpa=-2.131 degrees ! Estimated noise=0.166591 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 = -0.00282769 Jy ! Component: 100 - total flux cleaned = -0.00316845 Jy ! Component: 150 - total flux cleaned = -0.00330347 Jy ! Component: 200 - total flux cleaned = -0.00314506 Jy ! Total flux subtracted in 200 components = -0.00314506 Jy ! Clean residual min=-0.001464 max=0.001674 Jy/beam ! Clean residual mean=-0.000001 rms=0.000350 Jy/beam ! Combined flux in latest and established models = 0.324961 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 92 components and 0.324961 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=0.053054Jy sigma=1.256656 ! Fit after self-cal, rms=0.053071Jy sigma=1.256397 ! 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=0.053071Jy sigma=1.256397 ! Fit after self-cal, rms=0.052789Jy sigma=1.250974 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8613 mas, bmaj=1.972 mas, bpa=-2.112 degrees ! Estimated noise=0.166459 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00148397 Jy ! Component: 100 - total flux cleaned = -0.00201138 Jy ! Component: 150 - total flux cleaned = -0.00230457 Jy ! Component: 200 - total flux cleaned = -0.00244534 Jy ! Total flux subtracted in 200 components = -0.00244534 Jy ! Clean residual min=-0.001393 max=0.001231 Jy/beam ! Clean residual mean=-0.000001 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.322515 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 106 components and 0.322515 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=0.052699Jy sigma=1.248566 ! Fit after self-cal, rms=0.052699Jy sigma=1.248511 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 = 4.45132e-05 Jy ! Component: 100 - total flux cleaned = -9.94724e-05 Jy ! Component: 150 - total flux cleaned = -0.000177169 Jy ! Component: 200 - total flux cleaned = -0.000249444 Jy ! Total flux subtracted in 200 components = -0.000249444 Jy ! Clean residual min=-0.001273 max=0.001192 Jy/beam ! Clean residual mean=-0.000001 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.322266 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 114 components and 0.322266 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=0.052673Jy sigma=1.247857 ! Fit after self-cal, rms=0.052672Jy sigma=1.247831 ! 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=0.052672Jy sigma=1.247831 ! Fit after self-cal, rms=0.052656Jy sigma=1.246622 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8611 mas, bmaj=1.973 mas, bpa=-2.093 degrees ! Estimated noise=0.166514 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0011949 Jy ! Component: 100 - total flux cleaned = -0.00163378 Jy ! Component: 150 - total flux cleaned = -0.00182277 Jy ! Component: 200 - total flux cleaned = -0.00196682 Jy ! Total flux subtracted in 200 components = -0.00196682 Jy ! Clean residual min=-0.001150 max=0.001105 Jy/beam ! Clean residual mean=-0.000001 rms=0.000250 Jy/beam ! Combined flux in latest and established models = 0.320299 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 118 components and 0.320299 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=0.052617Jy sigma=1.245681 ! Fit after self-cal, rms=0.052618Jy sigma=1.245672 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 = -4.78641e-05 Jy ! Component: 100 - total flux cleaned = -8.93834e-05 Jy ! Component: 150 - total flux cleaned = -0.000167112 Jy ! Component: 200 - total flux cleaned = -0.000221707 Jy ! Total flux subtracted in 200 components = -0.000221707 Jy ! Clean residual min=-0.001088 max=0.001076 Jy/beam ! Clean residual mean=-0.000001 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.320078 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 125 components and 0.320078 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=0.052604Jy sigma=1.245348 ! Fit after self-cal, rms=0.052603Jy sigma=1.245342 ! 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=0.052603Jy sigma=1.245342 ! Fit after self-cal, rms=0.052614Jy sigma=1.245023 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.135 mas, bmaj=3.063 mas, bpa=0.9093 degrees ! Estimated noise=0.214347 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000868726 Jy ! Component: 100 - total flux cleaned = -0.00102757 Jy ! Component: 150 - total flux cleaned = -0.00108474 Jy ! Component: 200 - total flux cleaned = -0.00111897 Jy ! Total flux subtracted in 200 components = -0.00111897 Jy ! Clean residual min=-0.001320 max=0.001340 Jy/beam ! Clean residual mean=-0.000001 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.318959 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 135 components and 0.318959 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=0.052604Jy sigma=1.244819 ! Fit after self-cal, rms=0.052604Jy sigma=1.244803 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 (0, -9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0012274 Jy ! Component: 100 - total flux cleaned = 0.00191228 Jy ! Component: 150 - total flux cleaned = 0.00229038 Jy ! Component: 200 - total flux cleaned = 0.00246789 Jy ! Total flux subtracted in 200 components = 0.00246789 Jy ! Clean residual min=-0.001106 max=0.001023 Jy/beam ! Clean residual mean=-0.000001 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.321427 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 166 components and 0.321427 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=0.052589Jy sigma=1.244371 ! Fit after self-cal, rms=0.052587Jy sigma=1.244354 ! 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=0.8611 mas, bmaj=1.974 mas, bpa=-2.07 degrees ! Estimated noise=0.166583 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8611 x 1.974 at -2.07 degrees (North through East) ! Clean map min=-0.00085248 max=0.25889 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=0.6772 mas, bmaj=1.673 mas, bpa=-2.69 degrees ! Estimated noise=0.296108 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.196376 Jy ! Component: 100 - total flux cleaned = 0.246093 Jy ! Component: 150 - total flux cleaned = 0.268597 Jy ! Component: 200 - total flux cleaned = 0.281098 Jy ! Total flux subtracted in 200 components = 0.281098 Jy ! Clean residual min=-0.003616 max=0.006267 Jy/beam ! Clean residual mean=0.000001 rms=0.000719 Jy/beam ! Combined flux in latest and established models = 0.281098 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.281098 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8611 mas, bmaj=1.974 mas, bpa=-2.07 degrees ! Estimated noise=0.166583 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 = 0.0104169 Jy ! Component: 100 - total flux cleaned = 0.0168171 Jy ! Component: 150 - total flux cleaned = 0.0213118 Jy ! Component: 200 - total flux cleaned = 0.0247219 Jy ! Total flux subtracted in 200 components = 0.0247219 Jy ! Clean residual min=-0.001778 max=0.002014 Jy/beam ! Clean residual mean=0.000000 rms=0.000383 Jy/beam ! Combined flux in latest and established models = 0.30582 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 57 components and 0.30582 Jy ! Inverting map ! Added new window around map position (1.6, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00265791 Jy ! Component: 100 - total flux cleaned = 0.00479409 Jy ! Component: 150 - total flux cleaned = 0.00653632 Jy ! Component: 200 - total flux cleaned = 0.00801996 Jy ! Total flux subtracted in 200 components = 0.00801996 Jy ! Clean residual min=-0.001301 max=0.001268 Jy/beam ! Clean residual mean=-0.000000 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.31384 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 83 components and 0.31384 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=2.135 mas, bmaj=3.063 mas, bpa=0.9093 degrees ! Estimated noise=0.214347 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178173 Jy ! Component: 100 - total flux cleaned = 0.00299818 Jy ! Component: 150 - total flux cleaned = 0.00397783 Jy ! Component: 200 - total flux cleaned = 0.00479235 Jy ! Total flux subtracted in 200 components = 0.00479235 Jy ! Clean residual min=-0.001214 max=0.001125 Jy/beam ! Clean residual mean=-0.000001 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.318632 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 = 0.000612673 Jy ! Component: 100 - total flux cleaned = 0.00102451 Jy ! Component: 150 - total flux cleaned = 0.00138575 Jy ! Component: 200 - total flux cleaned = 0.00157661 Jy ! Total flux subtracted in 200 components = 0.00157661 Jy ! Clean residual min=-0.001104 max=0.001032 Jy/beam ! Clean residual mean=-0.000001 rms=0.000262 Jy/beam ! Combined flux in latest and established models = 0.320209 Jy ! Adding 80 model components to the UV plane model. ! The established model now contains 156 components and 0.320209 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8611 mas, bmaj=1.974 mas, bpa=-2.07 degrees ! Estimated noise=0.166583 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000165805 Jy ! Component: 100 - total flux cleaned = -0.000131761 Jy ! Component: 150 - total flux cleaned = 1.23663e-06 Jy ! Component: 200 - total flux cleaned = 2.09664e-06 Jy ! Total flux subtracted in 200 components = 2.09664e-06 Jy ! Clean residual min=-0.001053 max=0.000953 Jy/beam ! Clean residual mean=-0.000000 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.320211 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 176 components and 0.320211 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=0.052604Jy sigma=1.244573 ! Fit after self-cal, rms=0.052597Jy sigma=1.244473 wmodel J2018+0831_X_map.mod ! Writing 176 model components to file: J2018+0831_X_map.mod wobs J2018+0831_X_uvs.fits ! Writing UV FITS file: J2018+0831_X_uvs.fits wwins J2018+0831_X_map.win ! wwins: Wrote 6 windows to J2018+0831_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 = -0.000201474 Jy ! Component: 100 - total flux cleaned = -0.000349374 Jy ! Component: 150 - total flux cleaned = -0.000428109 Jy ! Component: 200 - total flux cleaned = -0.000504602 Jy ! Component: 250 - total flux cleaned = -0.00056429 Jy ! Component: 300 - total flux cleaned = -0.0006372 Jy ! Component: 350 - total flux cleaned = -0.000694312 Jy ! Component: 400 - total flux cleaned = -0.000792008 Jy ! Component: 450 - total flux cleaned = -0.000860634 Jy ! Component: 500 - total flux cleaned = -0.000955031 Jy ! Component: 550 - total flux cleaned = -0.000994784 Jy ! Component: 600 - total flux cleaned = -0.00103438 Jy ! Component: 650 - total flux cleaned = -0.0011119 Jy ! Component: 700 - total flux cleaned = -0.00113754 Jy ! Component: 750 - total flux cleaned = -0.00123825 Jy ! Component: 800 - total flux cleaned = -0.00126302 Jy ! Component: 850 - total flux cleaned = -0.00129977 Jy ! Component: 900 - total flux cleaned = -0.00136049 Jy ! Component: 950 - total flux cleaned = -0.00139643 Jy ! Component: 1000 - total flux cleaned = -0.00145614 Jy ! Component: 1050 - total flux cleaned = -0.00156203 Jy ! Component: 1100 - total flux cleaned = -0.00160847 Jy ! Component: 1150 - total flux cleaned = -0.00165444 Jy ! Component: 1200 - total flux cleaned = -0.00174566 Jy ! Component: 1250 - total flux cleaned = -0.0017912 Jy ! Component: 1300 - total flux cleaned = -0.0018921 Jy ! Component: 1350 - total flux cleaned = -0.00198087 Jy ! Component: 1400 - total flux cleaned = -0.00200279 Jy ! Component: 1450 - total flux cleaned = -0.00210107 Jy ! Component: 1500 - total flux cleaned = -0.00211197 Jy ! Component: 1550 - total flux cleaned = -0.00219797 Jy ! Component: 1600 - total flux cleaned = -0.00226184 Jy ! Component: 1650 - total flux cleaned = -0.00231456 Jy ! Component: 1700 - total flux cleaned = -0.00235631 Jy ! Component: 1750 - total flux cleaned = -0.00239792 Jy ! Component: 1800 - total flux cleaned = -0.00245965 Jy ! Component: 1850 - total flux cleaned = -0.00249043 Jy ! Component: 1900 - total flux cleaned = -0.00257151 Jy ! Component: 1950 - total flux cleaned = -0.00260168 Jy ! Component: 2000 - total flux cleaned = -0.00269141 Jy ! Component: 2050 - total flux cleaned = -0.00266164 Jy ! Component: 2100 - total flux cleaned = -0.0027503 Jy ! Component: 2150 - total flux cleaned = -0.00275029 Jy ! Component: 2200 - total flux cleaned = -0.00278911 Jy ! Component: 2250 - total flux cleaned = -0.00289512 Jy ! Component: 2300 - total flux cleaned = -0.00291429 Jy ! Component: 2350 - total flux cleaned = -0.00298075 Jy ! Component: 2400 - total flux cleaned = -0.00302789 Jy ! Component: 2450 - total flux cleaned = -0.00310283 Jy ! Component: 2500 - total flux cleaned = -0.00315863 Jy ! Component: 2550 - total flux cleaned = -0.00317706 Jy ! Component: 2600 - total flux cleaned = -0.00323222 Jy ! Component: 2650 - total flux cleaned = -0.0033234 Jy ! Component: 2700 - total flux cleaned = -0.00335057 Jy ! Component: 2750 - total flux cleaned = -0.00342259 Jy ! Component: 2800 - total flux cleaned = -0.00346733 Jy ! Component: 2850 - total flux cleaned = -0.00350273 Jy ! Component: 2900 - total flux cleaned = -0.00355584 Jy ! Component: 2950 - total flux cleaned = -0.00365246 Jy ! Component: 3000 - total flux cleaned = -0.00367861 Jy ! Component: 3050 - total flux cleaned = -0.00373064 Jy ! Component: 3100 - total flux cleaned = -0.00377375 Jy ! Component: 3150 - total flux cleaned = -0.00381664 Jy ! Component: 3200 - total flux cleaned = -0.00385925 Jy ! Component: 3250 - total flux cleaned = -0.00390162 Jy ! Component: 3300 - total flux cleaned = -0.00396053 Jy ! Component: 3350 - total flux cleaned = -0.00397723 Jy ! Component: 3400 - total flux cleaned = -0.00402711 Jy ! Component: 3450 - total flux cleaned = -0.00400228 Jy ! Component: 3500 - total flux cleaned = -0.00404351 Jy ! Component: 3550 - total flux cleaned = -0.00410075 Jy ! Component: 3600 - total flux cleaned = -0.00412522 Jy ! Component: 3650 - total flux cleaned = -0.00415761 Jy ! Component: 3700 - total flux cleaned = -0.00415764 Jy ! Component: 3750 - total flux cleaned = -0.0041576 Jy ! Component: 3800 - total flux cleaned = -0.00419752 Jy ! Component: 3850 - total flux cleaned = -0.00421343 Jy ! Component: 3900 - total flux cleaned = -0.00422142 Jy ! Component: 3950 - total flux cleaned = -0.00428424 Jy ! Component: 4000 - total flux cleaned = -0.00428429 Jy ! Component: 4050 - total flux cleaned = -0.00433098 Jy ! Total flux subtracted in 4096 components = -0.00433099 Jy ! Clean residual min=-0.000454 max=0.000609 Jy/beam ! Clean residual mean=-0.000000 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.31588 Jy keep ! Adding 327 model components to the UV plane model. ! The established model now contains 501 components and 0.31588 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2018+0831_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8611 x 1.974 at -2.07 degrees (North through East) ! Clean map min=-0.00064887 max=0.26008 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2018+0831_X_map.fits wmodel /vlbi/uf001/uva//J2018+0831_X_map.mod ! Writing 501 model components to file: /vlbi/uf001/uva//J2018+0831_X_map.mod wobs /vlbi/uf001/uva//J2018+0831_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2018+0831_X_uvs.fits wwins /vlbi/uf001/uva//J2018+0831_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J2018+0831_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.260078 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.0001347 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.155377 0.155377 0.310754 0.621508 1.24302 2.48603 4.97206 9.94412 19.8882 39.7765 79.553 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.26 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1930.79 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2018+0831_X_dfm.log closed on Mon Jan 14 05:26:39 2019