! Started logfile: /vlbi/bp222/maps//J2154-3826_X_dfm.log on Thu Sep 27 11:39:24 2018 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/bp222/maps//J2154-3826_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2154-3826_X_uva.fits ! AN table 1: 118 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.553908 visibilities/baseline/integration-bin. ! Found source: J2154-3826 ! ! 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 28236 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 J2154-3826_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 287 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 287 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 287 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 287 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 287 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 287 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 287 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 287 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 287 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 287 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 287 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 287 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.018220Jy sigma=9.826106 ! Fit after self-cal, rms=0.864093Jy sigma=8.025031 ! 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=0.6768 mas, bmaj=1.979 mas, bpa=-1.417 degrees ! Estimated noise=1.08741 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 = 0.0949853 Jy ! Component: 100 - total flux cleaned = 0.137404 Jy ! Total flux subtracted in 100 components = 0.137404 Jy ! Clean residual min=-0.010901 max=0.023239 Jy/beam ! Clean residual mean=0.000038 rms=0.003159 Jy/beam ! Combined flux in latest and established models = 0.137404 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.137404 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=0.126496Jy sigma=1.171179 ! Fit after self-cal, rms=0.125773Jy sigma=1.168465 ! Inverting map ! Added new window around map position (0.8, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0278859 Jy ! Component: 100 - total flux cleaned = 0.0470299 Jy ! Total flux subtracted in 100 components = 0.0470299 Jy ! Clean residual min=-0.008961 max=0.015642 Jy/beam ! Clean residual mean=0.000030 rms=0.002251 Jy/beam ! Combined flux in latest and established models = 0.184434 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 41 components and 0.184434 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=0.114057Jy sigma=0.970471 ! Fit after self-cal, rms=0.113576Jy sigma=0.968348 ! Inverting map ! Added new window around map position (-0.6, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0167217 Jy ! Component: 100 - total flux cleaned = 0.0290707 Jy ! Total flux subtracted in 100 components = 0.0290707 Jy ! Clean residual min=-0.007268 max=0.010339 Jy/beam ! Clean residual mean=0.000025 rms=0.001807 Jy/beam ! Combined flux in latest and established models = 0.213504 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 56 components and 0.213504 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=0.108764Jy sigma=0.881234 ! Fit after self-cal, rms=0.108530Jy sigma=0.879959 ! 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=0.9081 mas, bmaj=2.644 mas, bpa=0.2003 degrees ! Estimated noise=0.476421 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 = 0.0241744 Jy ! Component: 100 - total flux cleaned = 0.0392974 Jy ! Component: 150 - total flux cleaned = 0.0492658 Jy ! Component: 200 - total flux cleaned = 0.0558547 Jy ! Total flux subtracted in 200 components = 0.0558547 Jy ! Clean residual min=-0.007209 max=0.014075 Jy/beam ! Clean residual mean=0.000011 rms=0.001833 Jy/beam ! Combined flux in latest and established models = 0.269359 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 65 components and 0.269359 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=0.104233Jy sigma=0.790506 ! Fit after self-cal, rms=0.103960Jy sigma=0.788758 ! Inverting map ! Added new window around map position (2.4, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0129838 Jy ! Component: 100 - total flux cleaned = 0.0190394 Jy ! Component: 150 - total flux cleaned = 0.021723 Jy ! Component: 200 - total flux cleaned = 0.0238185 Jy ! Total flux subtracted in 200 components = 0.0238185 Jy ! Clean residual min=-0.005369 max=0.005220 Jy/beam ! Clean residual mean=0.000010 rms=0.001190 Jy/beam ! Combined flux in latest and established models = 0.293177 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 92 components and 0.293177 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=0.102329Jy sigma=0.768036 ! Fit after self-cal, rms=0.102279Jy sigma=0.765574 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9081 x 2.644 at 0.2003 degrees (North through East) ! Clean map min=-0.0049127 max=0.12749 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 1.13 KP 0.98 LA 0.94 ! MK 1.01 NL 1.14 OV 1.00 PT 1.05 ! SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 HN 1.26 KP 0.99 LA 0.97 ! MK 1.08 NL 1.09 OV 1.00 PT 1.00 ! SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 HN 1.11 KP 0.99 LA 0.96 ! MK 1.07 NL 1.06 OV 0.99 PT 1.04 ! SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 1.21 KP 0.99 LA 0.96 ! MK 1.06 NL 1.09 OV 0.97 PT 1.03 ! SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 HN 1.14 KP 0.98 LA 0.97 ! MK 1.00 NL 1.07 OV 0.99 PT 1.04 ! SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 HN 1.09 KP 0.99 LA 0.96 ! MK 0.99 NL 1.12 OV 0.98 PT 1.06 ! SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 HN 1.11 KP 1.01 LA 0.96 ! MK 1.02 NL 1.07 OV 0.98 PT 1.04 ! SC 1.06 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 HN 1.21 KP 1.00 LA 0.98 ! MK 1.02 NL 1.05 OV 0.97 PT 1.04 ! SC 0.95 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 HN 1.13 KP 0.99 LA 0.97 ! MK 1.02 NL 1.13 OV 0.97 PT 1.03 ! SC 0.90 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 HN 1.03 KP 0.99 LA 1.00 ! MK 1.08 NL 1.10 OV 0.97 PT 1.03 ! SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 1.14 KP 1.00 LA 0.98 ! MK 0.96 NL 1.09 OV 1.00 PT 1.08 ! SC 0.91 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 HN 1.05 KP 1.00 LA 0.98 ! MK 0.91 NL 1.07 OV 0.98 PT 1.05 ! SC 0.98 ! ! ! Fit before self-cal, rms=0.102279Jy sigma=0.765574 ! Fit after self-cal, rms=0.109796Jy sigma=0.757525 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9052 mas, bmaj=2.657 mas, bpa=0.9896 degrees ! Estimated noise=0.477785 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 = -0.000508797 Jy ! Component: 100 - total flux cleaned = -0.00062783 Jy ! Component: 150 - total flux cleaned = -0.000530961 Jy ! Component: 200 - total flux cleaned = -0.000360712 Jy ! Total flux subtracted in 200 components = -0.000360712 Jy ! Clean residual min=-0.003778 max=0.003140 Jy/beam ! Clean residual mean=0.000004 rms=0.000750 Jy/beam ! Combined flux in latest and established models = 0.292817 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 109 components and 0.292817 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=0.109568Jy sigma=0.755141 ! Fit after self-cal, rms=0.109892Jy sigma=0.754750 ! 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=0.109892Jy sigma=0.754750 ! Fit after self-cal, rms=0.112621Jy sigma=0.752856 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9058 mas, bmaj=2.665 mas, bpa=1.007 degrees ! Estimated noise=0.478497 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00024362 Jy ! Component: 100 - total flux cleaned = 3.43068e-06 Jy ! Component: 150 - total flux cleaned = 0.000147892 Jy ! Component: 200 - total flux cleaned = 0.000278054 Jy ! Total flux subtracted in 200 components = 0.000278054 Jy ! Clean residual min=-0.003353 max=0.002670 Jy/beam ! Clean residual mean=-0.000002 rms=0.000642 Jy/beam ! Combined flux in latest and established models = 0.293095 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 124 components and 0.293095 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=0.112497Jy sigma=0.751744 ! Fit after self-cal, rms=0.112631Jy sigma=0.751567 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 = 0.00018485 Jy ! Component: 100 - total flux cleaned = 0.000418495 Jy ! Component: 150 - total flux cleaned = 0.000523751 Jy ! Component: 200 - total flux cleaned = 0.000572621 Jy ! Total flux subtracted in 200 components = 0.000572621 Jy ! Clean residual min=-0.003214 max=0.002472 Jy/beam ! Clean residual mean=-0.000002 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 0.293667 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 133 components and 0.293667 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=0.112571Jy sigma=0.751016 ! Fit after self-cal, rms=0.112595Jy sigma=0.750884 ! 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=0.112595Jy sigma=0.750884 ! Fit after self-cal, rms=0.117421Jy sigma=0.746370 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9084 mas, bmaj=2.668 mas, bpa=1.124 degrees ! Estimated noise=0.479166 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000565884 Jy ! Component: 100 - total flux cleaned = -0.000570996 Jy ! Component: 150 - total flux cleaned = -0.000528512 Jy ! Component: 200 - total flux cleaned = -0.000452241 Jy ! Total flux subtracted in 200 components = -0.000452241 Jy ! Clean residual min=-0.003041 max=0.002113 Jy/beam ! Clean residual mean=-0.000005 rms=0.000498 Jy/beam ! Combined flux in latest and established models = 0.293215 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 145 components and 0.293215 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=0.117376Jy sigma=0.745987 ! Fit after self-cal, rms=0.117609Jy sigma=0.745842 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 = 0.000131618 Jy ! Component: 100 - total flux cleaned = 0.000237498 Jy ! Component: 150 - total flux cleaned = 0.000236938 Jy ! Component: 200 - total flux cleaned = 0.000209271 Jy ! Total flux subtracted in 200 components = 0.000209271 Jy ! Clean residual min=-0.003023 max=0.002124 Jy/beam ! Clean residual mean=-0.000005 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.293424 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 153 components and 0.293424 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=0.117583Jy sigma=0.745695 ! Fit after self-cal, rms=0.117605Jy sigma=0.745654 ! 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=0.117605Jy sigma=0.745654 ! Fit after self-cal, rms=0.119813Jy sigma=0.745580 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.237 mas, bmaj=7.106 mas, bpa=-3.877 degrees ! Estimated noise=0.559284 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000337374 Jy ! Component: 100 - total flux cleaned = -0.00050536 Jy ! Component: 150 - total flux cleaned = -0.000504222 Jy ! Component: 200 - total flux cleaned = -0.000504273 Jy ! Total flux subtracted in 200 components = -0.000504273 Jy ! Clean residual min=-0.003500 max=0.002155 Jy/beam ! Clean residual mean=-0.000010 rms=0.000607 Jy/beam ! Combined flux in latest and established models = 0.29292 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 161 components and 0.29292 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=0.119806Jy sigma=0.745462 ! Fit after self-cal, rms=0.119857Jy sigma=0.745405 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 = -0.00010576 Jy ! Component: 100 - total flux cleaned = 3.02719e-06 Jy ! Component: 150 - total flux cleaned = 5.61746e-05 Jy ! Component: 200 - total flux cleaned = 5.64765e-05 Jy ! Total flux subtracted in 200 components = 5.64765e-05 Jy ! Clean residual min=-0.003397 max=0.002160 Jy/beam ! Clean residual mean=-0.000010 rms=0.000600 Jy/beam ! Combined flux in latest and established models = 0.292976 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 164 components and 0.292976 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=0.119855Jy sigma=0.745414 ! Fit after self-cal, rms=0.119867Jy sigma=0.745383 ! 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=0.9097 mas, bmaj=2.672 mas, bpa=1.136 degrees ! Estimated noise=0.48031 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9097 x 2.672 at 1.136 degrees (North through East) ! Clean map min=-0.002566 max=0.12793 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=0.6747 mas, bmaj=1.989 mas, bpa=-0.4309 degrees ! Estimated noise=1.09963 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0962296 Jy ! Component: 100 - total flux cleaned = 0.141366 Jy ! Component: 150 - total flux cleaned = 0.169773 Jy ! Component: 200 - total flux cleaned = 0.189497 Jy ! Total flux subtracted in 200 components = 0.189497 Jy ! Clean residual min=-0.007016 max=0.013119 Jy/beam ! Clean residual mean=0.000022 rms=0.001945 Jy/beam ! Combined flux in latest and established models = 0.189497 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 33 model components to the UV plane model. ! The established model now contains 33 components and 0.189497 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9097 mas, bmaj=2.672 mas, bpa=1.136 degrees ! Estimated noise=0.48031 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 = 0.0323863 Jy ! Component: 100 - total flux cleaned = 0.0526069 Jy ! Component: 150 - total flux cleaned = 0.0664064 Jy ! Component: 200 - total flux cleaned = 0.0761225 Jy ! Total flux subtracted in 200 components = 0.0761225 Jy ! Clean residual min=-0.004365 max=0.006266 Jy/beam ! Clean residual mean=-0.000002 rms=0.001216 Jy/beam ! Combined flux in latest and established models = 0.26562 Jy ! Adding 71 model components to the UV plane model. ! The established model now contains 94 components and 0.265619 Jy ! Inverting map ! Added new window around map position (-1, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00723617 Jy ! Component: 100 - total flux cleaned = 0.012514 Jy ! Component: 150 - total flux cleaned = 0.016469 Jy ! Component: 200 - total flux cleaned = 0.0194547 Jy ! Total flux subtracted in 200 components = 0.0194547 Jy ! Clean residual min=-0.003312 max=0.002305 Jy/beam ! Clean residual mean=-0.000004 rms=0.000586 Jy/beam ! Combined flux in latest and established models = 0.285074 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 130 components and 0.285074 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=2.237 mas, bmaj=7.106 mas, bpa=-3.877 degrees ! Estimated noise=0.559284 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00353244 Jy ! Component: 100 - total flux cleaned = 0.00565658 Jy ! Component: 150 - total flux cleaned = 0.0065141 Jy ! Component: 200 - total flux cleaned = 0.00692753 Jy ! Total flux subtracted in 200 components = 0.00692753 Jy ! Clean residual min=-0.003424 max=0.002438 Jy/beam ! Clean residual mean=-0.000009 rms=0.000599 Jy/beam ! Combined flux in latest and established models = 0.292002 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 = 0.00028606 Jy ! Component: 100 - total flux cleaned = 0.000510389 Jy ! Component: 150 - total flux cleaned = 0.000572188 Jy ! Component: 200 - total flux cleaned = 0.000608014 Jy ! Total flux subtracted in 200 components = 0.000608014 Jy ! Clean residual min=-0.003310 max=0.002291 Jy/beam ! Clean residual mean=-0.000009 rms=0.000586 Jy/beam ! Combined flux in latest and established models = 0.29261 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 159 components and 0.29261 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9097 mas, bmaj=2.672 mas, bpa=1.136 degrees ! Estimated noise=0.48031 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000365074 Jy ! Component: 100 - total flux cleaned = 0.000441115 Jy ! Component: 150 - total flux cleaned = 0.000409648 Jy ! Component: 200 - total flux cleaned = 0.000350332 Jy ! Total flux subtracted in 200 components = 0.000350332 Jy ! Clean residual min=-0.002897 max=0.002064 Jy/beam ! Clean residual mean=-0.000005 rms=0.000467 Jy/beam ! Combined flux in latest and established models = 0.29296 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 170 components and 0.29296 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=0.119845Jy sigma=0.745256 ! Fit after self-cal, rms=0.119836Jy sigma=0.745091 wmodel J2154-3826_X_map.mod ! Writing 170 model components to file: J2154-3826_X_map.mod wobs J2154-3826_X_uvs.fits ! Writing UV FITS file: J2154-3826_X_uvs.fits wwins J2154-3826_X_map.win ! wwins: Wrote 5 windows to J2154-3826_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 = -0.000971746 Jy ! Component: 100 - total flux cleaned = -0.00108007 Jy ! Component: 150 - total flux cleaned = -0.00114539 Jy ! Component: 200 - total flux cleaned = -0.00117625 Jy ! Component: 250 - total flux cleaned = -0.00117602 Jy ! Component: 300 - total flux cleaned = -0.00117522 Jy ! Component: 350 - total flux cleaned = -0.00103698 Jy ! Component: 400 - total flux cleaned = -0.000903234 Jy ! Component: 450 - total flux cleaned = -0.000719498 Jy ! Component: 500 - total flux cleaned = -0.00048878 Jy ! Component: 550 - total flux cleaned = -0.000288717 Jy ! Component: 600 - total flux cleaned = -0.000190067 Jy ! Component: 650 - total flux cleaned = 2.64725e-05 Jy ! Component: 700 - total flux cleaned = 0.000120303 Jy ! Component: 750 - total flux cleaned = 0.000213521 Jy ! Component: 800 - total flux cleaned = 0.000373729 Jy ! Component: 850 - total flux cleaned = 0.000463944 Jy ! Component: 900 - total flux cleaned = 0.000642135 Jy ! Component: 950 - total flux cleaned = 0.000708066 Jy ! Component: 1000 - total flux cleaned = 0.00088154 Jy ! Component: 1050 - total flux cleaned = 0.00096706 Jy ! Component: 1100 - total flux cleaned = 0.00109384 Jy ! Component: 1150 - total flux cleaned = 0.00117766 Jy ! Component: 1200 - total flux cleaned = 0.00130141 Jy ! Component: 1250 - total flux cleaned = 0.00148471 Jy ! Component: 1300 - total flux cleaned = 0.00164542 Jy ! Component: 1350 - total flux cleaned = 0.00170513 Jy ! Component: 1400 - total flux cleaned = 0.00186266 Jy ! Component: 1450 - total flux cleaned = 0.00203809 Jy ! Component: 1500 - total flux cleaned = 0.00223083 Jy ! Component: 1550 - total flux cleaned = 0.00230699 Jy ! Component: 1600 - total flux cleaned = 0.00243963 Jy ! Component: 1650 - total flux cleaned = 0.00258946 Jy ! Component: 1700 - total flux cleaned = 0.00275654 Jy ! Component: 1750 - total flux cleaned = 0.00284836 Jy ! Component: 1800 - total flux cleaned = 0.00295788 Jy ! Component: 1850 - total flux cleaned = 0.00306643 Jy ! Component: 1900 - total flux cleaned = 0.00315622 Jy ! Component: 1950 - total flux cleaned = 0.00331656 Jy ! Component: 2000 - total flux cleaned = 0.00342247 Jy ! Component: 2050 - total flux cleaned = 0.00345761 Jy ! Component: 2100 - total flux cleaned = 0.00357927 Jy ! Component: 2150 - total flux cleaned = 0.00361358 Jy ! Component: 2200 - total flux cleaned = 0.00364797 Jy ! Component: 2250 - total flux cleaned = 0.00373294 Jy ! Component: 2300 - total flux cleaned = 0.00378348 Jy ! Component: 2350 - total flux cleaned = 0.00383375 Jy ! Component: 2400 - total flux cleaned = 0.00396698 Jy ! Component: 2450 - total flux cleaned = 0.00398358 Jy ! Component: 2500 - total flux cleaned = 0.0040492 Jy ! Component: 2550 - total flux cleaned = 0.00413069 Jy ! Component: 2600 - total flux cleaned = 0.00414681 Jy ! Component: 2650 - total flux cleaned = 0.00422706 Jy ! Component: 2700 - total flux cleaned = 0.00432296 Jy ! Component: 2750 - total flux cleaned = 0.00437043 Jy ! Component: 2800 - total flux cleaned = 0.00437044 Jy ! Component: 2850 - total flux cleaned = 0.00452713 Jy ! Component: 2900 - total flux cleaned = 0.00452705 Jy ! Component: 2950 - total flux cleaned = 0.00460444 Jy ! Component: 3000 - total flux cleaned = 0.00471213 Jy ! Component: 3050 - total flux cleaned = 0.00475793 Jy ! Component: 3100 - total flux cleaned = 0.00487934 Jy ! Component: 3150 - total flux cleaned = 0.00490939 Jy ! Component: 3200 - total flux cleaned = 0.00502945 Jy ! Component: 3250 - total flux cleaned = 0.00513367 Jy ! Component: 3300 - total flux cleaned = 0.00516317 Jy ! Component: 3350 - total flux cleaned = 0.00523695 Jy ! Component: 3400 - total flux cleaned = 0.0053102 Jy ! Component: 3450 - total flux cleaned = 0.00536863 Jy ! Component: 3500 - total flux cleaned = 0.00544123 Jy ! Component: 3550 - total flux cleaned = 0.00552771 Jy ! Component: 3600 - total flux cleaned = 0.005628 Jy ! Component: 3650 - total flux cleaned = 0.00568503 Jy ! Component: 3700 - total flux cleaned = 0.00578429 Jy ! Component: 3750 - total flux cleaned = 0.0058264 Jy ! Component: 3800 - total flux cleaned = 0.00591058 Jy ! Component: 3850 - total flux cleaned = 0.00595249 Jy ! Component: 3900 - total flux cleaned = 0.00600791 Jy ! Component: 3950 - total flux cleaned = 0.00606304 Jy ! Component: 4000 - total flux cleaned = 0.00602191 Jy ! Component: 4050 - total flux cleaned = 0.00610377 Jy ! Total flux subtracted in 4096 components = 0.00617178 Jy ! Clean residual min=-0.000797 max=0.000756 Jy/beam ! Clean residual mean=-0.000000 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.299132 Jy keep ! Adding 297 model components to the UV plane model. ! The established model now contains 467 components and 0.299132 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2154-3826_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9097 x 2.672 at 1.136 degrees (North through East) ! Clean map min=-0.0022058 max=0.12796 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2154-3826_X_map.fits wmodel /vlbi/bp222/maps//J2154-3826_X_map.mod ! Writing 467 model components to file: /vlbi/bp222/maps//J2154-3826_X_map.mod wobs /vlbi/bp222/maps//J2154-3826_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2154-3826_X_uvs.fits wwins /vlbi/bp222/maps//J2154-3826_X_map.win ! wwins: Wrote 6 windows to /vlbi/bp222/maps//J2154-3826_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.127964 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000248337 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.582205 0.582205 1.16441 2.32882 4.65764 9.31528 18.6306 37.2611 74.5222 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.127 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 515.282 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2154-3826_X_dfm.log closed on Thu Sep 27 11:39:30 2018