! Started logfile: /vlbi/uf001/uva//J2308+0946_X_dfm.log on Mon Jan 14 06:35:06 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//J2308+0946_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2308+0946_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.962963 visibilities/baseline/integration-bin. ! Found source: J2308+0946 ! ! 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 21840 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 J2308+0946_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 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 105 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.017721Jy sigma=22.221881 ! Fit after self-cal, rms=0.823904Jy sigma=17.998250 ! 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=0.6863 mas, bmaj=1.614 mas, bpa=-2.781 degrees ! Estimated noise=0.406935 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 = 0.136763 Jy ! Component: 100 - total flux cleaned = 0.166974 Jy ! Total flux subtracted in 100 components = 0.166974 Jy ! Clean residual min=-0.005428 max=0.009684 Jy/beam ! Clean residual mean=-0.000002 rms=0.001178 Jy/beam ! Combined flux in latest and established models = 0.166974 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.166974 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=0.061473Jy sigma=1.287985 ! Fit after self-cal, rms=0.061467Jy sigma=1.287849 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00992556 Jy ! Component: 100 - total flux cleaned = 0.0149311 Jy ! Total flux subtracted in 100 components = 0.0149311 Jy ! Clean residual min=-0.005084 max=0.005843 Jy/beam ! Clean residual mean=-0.000000 rms=0.001009 Jy/beam ! Combined flux in latest and established models = 0.181906 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 14 components and 0.181906 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=0.059699Jy sigma=1.248016 ! Fit after self-cal, rms=0.059703Jy sigma=1.247913 ! 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=0.8519 mas, bmaj=1.832 mas, bpa=-1.948 degrees ! Estimated noise=0.269648 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 (-1.2, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00693366 Jy ! Component: 100 - total flux cleaned = 0.0111759 Jy ! Component: 150 - total flux cleaned = 0.0137712 Jy ! Component: 200 - total flux cleaned = 0.0156223 Jy ! Total flux subtracted in 200 components = 0.0156223 Jy ! Clean residual min=-0.004718 max=0.006073 Jy/beam ! Clean residual mean=0.000001 rms=0.000977 Jy/beam ! Combined flux in latest and established models = 0.197528 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 41 components and 0.197528 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=0.058823Jy sigma=1.224860 ! Fit after self-cal, rms=0.058754Jy sigma=1.223130 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8519 x 1.832 at -1.948 degrees (North through East) ! Clean map min=-0.0043865 max=0.17716 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.95 KP 0.98 ! LA 0.89 MK 1.02 NL 1.14 OV 0.95 ! PT 1.00* SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.96 KP 0.98 ! LA 0.88 MK 1.00 NL 1.13 OV 0.97 ! PT 1.00* SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 0.97 KP 0.96 ! LA 0.88 MK 1.02 NL 1.13 OV 0.97 ! PT 1.00* SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.99 HN 0.96 KP 1.00 ! LA 0.90 MK 1.00 NL 1.13 OV 0.95 ! PT 1.00* SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.01 HN 0.95 KP 1.01 ! LA 0.89 MK 1.01 NL 1.12 OV 0.96 ! PT 1.00* SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 0.95 KP 0.96 ! LA 0.90 MK 1.01 NL 1.13 OV 0.96 ! PT 1.00* SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.99 HN 0.96 KP 0.99 ! LA 0.89 MK 1.00 NL 1.12 OV 0.96 ! PT 1.00* SC 1.04 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 0.96 KP 1.01 ! LA 0.91 MK 1.02 NL 1.16 OV 0.94 ! PT 1.00* SC 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.02 HN 0.95 KP 0.97 ! LA 0.90 MK 1.04 NL 1.15 OV 0.95 ! PT 1.00* SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.99 KP 1.02 ! LA 0.90 MK 1.02 NL 1.16 OV 0.96 ! PT 1.00* SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.02 HN 0.99 KP 1.03 ! LA 0.88 MK 1.03 NL 1.12 OV 0.97 ! PT 1.00* SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.03 HN 0.96 KP 0.97 ! LA 0.92 MK 0.99 NL 1.14 OV 0.95 ! PT 1.00* SC 1.00 ! ! ! Fit before self-cal, rms=0.058754Jy sigma=1.223130 ! Fit after self-cal, rms=0.056985Jy sigma=1.167658 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.853 mas, bmaj=1.852 mas, bpa=-1.819 degrees ! Estimated noise=0.269401 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 = -0.0024696 Jy ! Component: 100 - total flux cleaned = -0.00266082 Jy ! Component: 150 - total flux cleaned = -0.00270707 Jy ! Component: 200 - total flux cleaned = -0.00278743 Jy ! Total flux subtracted in 200 components = -0.00278743 Jy ! Clean residual min=-0.001863 max=0.002032 Jy/beam ! Clean residual mean=0.000004 rms=0.000403 Jy/beam ! Combined flux in latest and established models = 0.19474 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 58 components and 0.19474 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=0.056844Jy sigma=1.164403 ! Fit after self-cal, rms=0.056872Jy sigma=1.163923 ! Inverting map ! Added new window around map position (-8.4, 6.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000918914 Jy ! Component: 100 - total flux cleaned = 0.000509153 Jy ! Component: 150 - total flux cleaned = 0.000293765 Jy ! Component: 200 - total flux cleaned = 0.000160437 Jy ! Total flux subtracted in 200 components = 0.000160437 Jy ! Clean residual min=-0.001815 max=0.001868 Jy/beam ! Clean residual mean=0.000003 rms=0.000381 Jy/beam ! Combined flux in latest and established models = 0.194901 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 72 components and 0.194901 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=0.056801Jy sigma=1.162473 ! Fit after self-cal, rms=0.056796Jy sigma=1.162385 ! 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=0.056796Jy sigma=1.162385 ! Fit after self-cal, rms=0.056753Jy sigma=1.155030 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8531 mas, bmaj=1.852 mas, bpa=-1.788 degrees ! Estimated noise=0.26987 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00060555 Jy ! Component: 100 - total flux cleaned = -0.000602803 Jy ! Component: 150 - total flux cleaned = -0.000572464 Jy ! Component: 200 - total flux cleaned = -0.000544813 Jy ! Total flux subtracted in 200 components = -0.000544813 Jy ! Clean residual min=-0.001534 max=0.001624 Jy/beam ! Clean residual mean=0.000002 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.194356 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 82 components and 0.194356 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=0.056712Jy sigma=1.154172 ! Fit after self-cal, rms=0.056717Jy sigma=1.154101 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 (17, 18.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00126607 Jy ! Component: 100 - total flux cleaned = 0.00116474 Jy ! Component: 150 - total flux cleaned = 0.00110312 Jy ! Component: 200 - total flux cleaned = 0.00104974 Jy ! Total flux subtracted in 200 components = 0.00104974 Jy ! Clean residual min=-0.001403 max=0.001440 Jy/beam ! Clean residual mean=0.000002 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.195406 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 96 components and 0.195406 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=0.056671Jy sigma=1.153105 ! Fit after self-cal, rms=0.056667Jy sigma=1.153053 ! Inverting map ! Added new window around map position (3.6, 11.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0012408 Jy ! Component: 100 - total flux cleaned = 0.00140382 Jy ! Component: 150 - total flux cleaned = 0.00151781 Jy ! Component: 200 - total flux cleaned = 0.00159736 Jy ! Total flux subtracted in 200 components = 0.00159736 Jy ! Clean residual min=-0.001299 max=0.001192 Jy/beam ! Clean residual mean=0.000002 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.197003 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 115 components and 0.197003 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=0.056626Jy sigma=1.152213 ! Fit after self-cal, rms=0.056624Jy sigma=1.152191 ! 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=0.056624Jy sigma=1.152191 ! Fit after self-cal, rms=0.056682Jy sigma=1.151965 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8523 mas, bmaj=1.851 mas, bpa=-1.744 degrees ! Estimated noise=0.269927 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.3515e-05 Jy ! Component: 100 - total flux cleaned = 0.000190367 Jy ! Component: 150 - total flux cleaned = 0.000214994 Jy ! Component: 200 - total flux cleaned = 0.000285302 Jy ! Total flux subtracted in 200 components = 0.000285302 Jy ! Clean residual min=-0.001292 max=0.001137 Jy/beam ! Clean residual mean=0.000002 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.197288 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 124 components and 0.197288 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=0.056659Jy sigma=1.151508 ! Fit after self-cal, rms=0.056660Jy sigma=1.151499 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 = 6.81125e-05 Jy ! Component: 100 - total flux cleaned = 6.75896e-05 Jy ! Component: 150 - total flux cleaned = 4.65166e-05 Jy ! Component: 200 - total flux cleaned = 4.67123e-05 Jy ! Total flux subtracted in 200 components = 4.67123e-05 Jy ! Clean residual min=-0.001289 max=0.001129 Jy/beam ! Clean residual mean=0.000002 rms=0.000270 Jy/beam ! Combined flux in latest and established models = 0.197335 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 128 components and 0.197335 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=0.056646Jy sigma=1.151210 ! Fit after self-cal, rms=0.056645Jy sigma=1.151207 ! 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=0.056645Jy sigma=1.151207 ! Fit after self-cal, rms=0.056683Jy sigma=1.151169 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.976 mas, bmaj=2.793 mas, bpa=0.2476 degrees ! Estimated noise=0.349999 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000372965 Jy ! Component: 100 - total flux cleaned = -0.000580353 Jy ! Component: 150 - total flux cleaned = -0.00066141 Jy ! Component: 200 - total flux cleaned = -0.000642489 Jy ! Total flux subtracted in 200 components = -0.000642489 Jy ! Clean residual min=-0.001202 max=0.001310 Jy/beam ! Clean residual mean=0.000003 rms=0.000327 Jy/beam ! Combined flux in latest and established models = 0.196693 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 151 components and 0.196693 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=0.056675Jy sigma=1.150989 ! Fit after self-cal, rms=0.056674Jy sigma=1.150977 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.93451e-06 Jy ! Component: 100 - total flux cleaned = 2.49683e-05 Jy ! Component: 150 - total flux cleaned = 7.09722e-05 Jy ! Component: 200 - total flux cleaned = 9.95868e-05 Jy ! Total flux subtracted in 200 components = 9.95868e-05 Jy ! Clean residual min=-0.001175 max=0.001270 Jy/beam ! Clean residual mean=0.000003 rms=0.000319 Jy/beam ! Combined flux in latest and established models = 0.196792 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 166 components and 0.196792 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=0.056670Jy sigma=1.150907 ! Fit after self-cal, rms=0.056670Jy sigma=1.150903 ! 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=0.8518 mas, bmaj=1.851 mas, bpa=-1.728 degrees ! Estimated noise=0.270033 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8518 x 1.851 at -1.728 degrees (North through East) ! Clean map min=-0.0011162 max=0.17745 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=0.6857 mas, bmaj=1.629 mas, bpa=-2.582 degrees ! Estimated noise=0.407767 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.137 Jy ! Component: 100 - total flux cleaned = 0.16738 Jy ! Component: 150 - total flux cleaned = 0.177725 Jy ! Component: 200 - total flux cleaned = 0.182885 Jy ! Total flux subtracted in 200 components = 0.182885 Jy ! Clean residual min=-0.002164 max=0.002436 Jy/beam ! Clean residual mean=0.000001 rms=0.000526 Jy/beam ! Combined flux in latest and established models = 0.182885 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 7 model components to the UV plane model. ! The established model now contains 7 components and 0.182885 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8518 mas, bmaj=1.851 mas, bpa=-1.728 degrees ! Estimated noise=0.270033 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 = 0.00301023 Jy ! Component: 100 - total flux cleaned = 0.00518673 Jy ! Component: 150 - total flux cleaned = 0.0068305 Jy ! Component: 200 - total flux cleaned = 0.00789778 Jy ! Total flux subtracted in 200 components = 0.00789778 Jy ! Clean residual min=-0.001342 max=0.001255 Jy/beam ! Clean residual mean=0.000002 rms=0.000314 Jy/beam ! Combined flux in latest and established models = 0.190782 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 23 components and 0.190782 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=1.976 mas, bmaj=2.793 mas, bpa=0.2476 degrees ! Estimated noise=0.349999 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00161596 Jy ! Component: 100 - total flux cleaned = 0.00251483 Jy ! Component: 150 - total flux cleaned = 0.00302138 Jy ! Component: 200 - total flux cleaned = 0.00349436 Jy ! Total flux subtracted in 200 components = 0.00349436 Jy ! Clean residual min=-0.001278 max=0.001495 Jy/beam ! Clean residual mean=0.000004 rms=0.000347 Jy/beam ! Combined flux in latest and established models = 0.194277 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) ! Added new window around map position (31.6, 49). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00130661 Jy ! Component: 100 - total flux cleaned = 0.00185269 Jy ! Component: 150 - total flux cleaned = 0.0023116 Jy ! Component: 200 - total flux cleaned = 0.00271759 Jy ! Total flux subtracted in 200 components = 0.00271759 Jy ! Clean residual min=-0.001270 max=0.001157 Jy/beam ! Clean residual mean=0.000002 rms=0.000308 Jy/beam ! Combined flux in latest and established models = 0.196994 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 72 components and 0.196994 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8518 mas, bmaj=1.851 mas, bpa=-1.728 degrees ! Estimated noise=0.270033 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000330632 Jy ! Component: 100 - total flux cleaned = 0.00065661 Jy ! Component: 150 - total flux cleaned = 0.000953532 Jy ! Component: 200 - total flux cleaned = 0.00113751 Jy ! Total flux subtracted in 200 components = 0.00113751 Jy ! Clean residual min=-0.001230 max=0.001143 Jy/beam ! Clean residual mean=0.000001 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.198132 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 95 components and 0.198132 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=0.056706Jy sigma=1.151767 ! Fit after self-cal, rms=0.056699Jy sigma=1.151650 wmodel J2308+0946_X_map.mod ! Writing 95 model components to file: J2308+0946_X_map.mod wobs J2308+0946_X_uvs.fits ! Writing UV FITS file: J2308+0946_X_uvs.fits wwins J2308+0946_X_map.win ! wwins: Wrote 6 windows to J2308+0946_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 = -0.000248615 Jy ! Component: 100 - total flux cleaned = -0.000311081 Jy ! Component: 150 - total flux cleaned = -0.000369563 Jy ! Component: 200 - total flux cleaned = -0.000481727 Jy ! Component: 250 - total flux cleaned = -0.000645364 Jy ! Component: 300 - total flux cleaned = -0.00073391 Jy ! Component: 350 - total flux cleaned = -0.000890285 Jy ! Component: 400 - total flux cleaned = -0.000924245 Jy ! Component: 450 - total flux cleaned = -0.00107583 Jy ! Component: 500 - total flux cleaned = -0.00117532 Jy ! Component: 550 - total flux cleaned = -0.00127343 Jy ! Component: 600 - total flux cleaned = -0.00135411 Jy ! Component: 650 - total flux cleaned = -0.00144922 Jy ! Component: 700 - total flux cleaned = -0.00146481 Jy ! Component: 750 - total flux cleaned = -0.00154215 Jy ! Component: 800 - total flux cleaned = -0.00157242 Jy ! Component: 850 - total flux cleaned = -0.00161761 Jy ! Component: 900 - total flux cleaned = -0.00166242 Jy ! Component: 950 - total flux cleaned = -0.00170686 Jy ! Component: 1000 - total flux cleaned = -0.00177973 Jy ! Component: 1050 - total flux cleaned = -0.00180849 Jy ! Component: 1100 - total flux cleaned = -0.00186575 Jy ! Component: 1150 - total flux cleaned = -0.00193629 Jy ! Component: 1200 - total flux cleaned = -0.00185257 Jy ! Component: 1250 - total flux cleaned = -0.00190813 Jy ! Component: 1300 - total flux cleaned = -0.00189481 Jy ! Component: 1350 - total flux cleaned = -0.00197647 Jy ! Component: 1400 - total flux cleaned = -0.00201694 Jy ! Component: 1450 - total flux cleaned = -0.00201711 Jy ! Component: 1500 - total flux cleaned = -0.00207016 Jy ! Component: 1550 - total flux cleaned = -0.00213587 Jy ! Component: 1600 - total flux cleaned = -0.00214903 Jy ! Component: 1650 - total flux cleaned = -0.00222653 Jy ! Component: 1700 - total flux cleaned = -0.00230333 Jy ! Component: 1750 - total flux cleaned = -0.00226524 Jy ! Component: 1800 - total flux cleaned = -0.00229034 Jy ! Component: 1850 - total flux cleaned = -0.00234054 Jy ! Component: 1900 - total flux cleaned = -0.00234062 Jy ! Component: 1950 - total flux cleaned = -0.00240215 Jy ! Component: 2000 - total flux cleaned = -0.00236549 Jy ! Component: 2050 - total flux cleaned = -0.0024624 Jy ! Component: 2100 - total flux cleaned = -0.00239011 Jy ! Component: 2150 - total flux cleaned = -0.00239012 Jy ! Component: 2200 - total flux cleaned = -0.00235475 Jy ! Component: 2250 - total flux cleaned = -0.00246073 Jy ! Component: 2300 - total flux cleaned = -0.0024492 Jy ! Component: 2350 - total flux cleaned = -0.00241449 Jy ! Component: 2400 - total flux cleaned = -0.00246052 Jy ! Component: 2450 - total flux cleaned = -0.00247205 Jy ! Component: 2500 - total flux cleaned = -0.00248351 Jy ! Component: 2550 - total flux cleaned = -0.00250597 Jy ! Component: 2600 - total flux cleaned = -0.00250597 Jy ! Component: 2650 - total flux cleaned = -0.00249474 Jy ! Component: 2700 - total flux cleaned = -0.00246166 Jy ! Component: 2750 - total flux cleaned = -0.00249467 Jy ! Component: 2800 - total flux cleaned = -0.00252742 Jy ! Component: 2850 - total flux cleaned = -0.00254902 Jy ! Component: 2900 - total flux cleaned = -0.00252759 Jy ! Component: 2950 - total flux cleaned = -0.00253823 Jy ! Component: 3000 - total flux cleaned = -0.00254894 Jy ! Component: 3050 - total flux cleaned = -0.00260174 Jy ! Component: 3100 - total flux cleaned = -0.00265418 Jy ! Component: 3150 - total flux cleaned = -0.00263333 Jy ! Component: 3200 - total flux cleaned = -0.00265407 Jy ! Component: 3250 - total flux cleaned = -0.00268507 Jy ! Component: 3300 - total flux cleaned = -0.00270554 Jy ! Component: 3350 - total flux cleaned = -0.00266485 Jy ! Component: 3400 - total flux cleaned = -0.0027053 Jy ! Component: 3450 - total flux cleaned = -0.00270535 Jy ! Component: 3500 - total flux cleaned = -0.0027154 Jy ! Component: 3550 - total flux cleaned = -0.00276526 Jy ! Component: 3600 - total flux cleaned = -0.00276532 Jy ! Component: 3650 - total flux cleaned = -0.00276523 Jy ! Component: 3700 - total flux cleaned = -0.0027653 Jy ! Component: 3750 - total flux cleaned = -0.0028041 Jy ! Component: 3800 - total flux cleaned = -0.00281376 Jy ! Component: 3850 - total flux cleaned = -0.00285221 Jy ! Component: 3900 - total flux cleaned = -0.00284263 Jy ! Component: 3950 - total flux cleaned = -0.00281409 Jy ! Component: 4000 - total flux cleaned = -0.00282358 Jy ! Component: 4050 - total flux cleaned = -0.00283308 Jy ! Total flux subtracted in 4096 components = -0.00281437 Jy ! Clean residual min=-0.000558 max=0.000579 Jy/beam ! Clean residual mean=0.000000 rms=0.000160 Jy/beam ! Combined flux in latest and established models = 0.195318 Jy keep ! Adding 305 model components to the UV plane model. ! The established model now contains 400 components and 0.195317 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2308+0946_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8518 x 1.851 at -1.728 degrees (North through East) ! Clean map min=-0.00087603 max=0.17739 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2308+0946_X_map.fits wmodel /vlbi/uf001/uva//J2308+0946_X_map.mod ! Writing 400 model components to file: /vlbi/uf001/uva//J2308+0946_X_map.mod wobs /vlbi/uf001/uva//J2308+0946_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2308+0946_X_uvs.fits wwins /vlbi/uf001/uva//J2308+0946_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J2308+0946_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.177387 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000159486 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.269724 0.269724 0.539449 1.0789 2.15779 4.31559 8.63118 17.2624 34.5247 69.0494 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.177 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1112.25 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2308+0946_X_dfm.log closed on Mon Jan 14 06:35:11 2019