! Started logfile: /vlbi/bp222/maps//J2000-1748_X_dfm.log on Thu Sep 27 11:34:20 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//J2000-1748_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2000-1748_X_uvm.fits ! AN table 1: 16 integrations on 21 of 21 possible baselines. ! AN table 2: 64 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.779135 visibilities/baseline/integration-bin. ! Found source: J2000-1748 ! ! 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 19896 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 J2000-1748_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. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 9 telescope corrections were flagged in sub-array 1. ! A total of 96 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.421155Jy sigma=21.093859 ! Fit after self-cal, rms=0.085129Jy sigma=1.206342 ! 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=0.7972 mas, bmaj=2.242 mas, bpa=-17.42 degrees ! Estimated noise=0.657811 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 = 0.777673 Jy ! Component: 100 - total flux cleaned = 0.947257 Jy ! Total flux subtracted in 100 components = 0.947257 Jy ! Clean residual min=-0.015604 max=0.047323 Jy/beam ! Clean residual mean=0.000015 rms=0.004283 Jy/beam ! Combined flux in latest and established models = 0.947257 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.947257 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=0.099457Jy sigma=1.485201 ! Fit after self-cal, rms=0.099455Jy sigma=1.485184 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0394953 Jy ! Component: 100 - total flux cleaned = 0.0531941 Jy ! Total flux subtracted in 100 components = 0.0531941 Jy ! Clean residual min=-0.016069 max=0.014344 Jy/beam ! Clean residual mean=0.000035 rms=0.003124 Jy/beam ! Combined flux in latest and established models = 1.00045 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 1.00045 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=0.083492Jy sigma=1.196578 ! Fit after self-cal, rms=0.083490Jy sigma=1.196505 ! 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=1.13 mas, bmaj=3.041 mas, bpa=-15.8 degrees ! Estimated noise=0.356334 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 = 0.00158099 Jy ! Component: 100 - total flux cleaned = 0.000714446 Jy ! Component: 150 - total flux cleaned = -9.87072e-06 Jy ! Component: 200 - total flux cleaned = -0.000599639 Jy ! Total flux subtracted in 200 components = -0.000599639 Jy ! Clean residual min=-0.011099 max=0.016003 Jy/beam ! Clean residual mean=0.000040 rms=0.003363 Jy/beam ! Combined flux in latest and established models = 0.999851 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 16 components and 0.999851 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=0.082027Jy sigma=1.168537 ! Fit after self-cal, rms=0.082029Jy sigma=1.168525 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.13 x 3.041 at -15.8 degrees (North through East) ! Clean map min=-0.011895 max=1.0072 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 KP 1.02 LA 0.97 ! NL 0.91 OV 1.02 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.99 HN 1.04 LA 0.98 ! MK 1.01 NL 0.98 OV 1.01 PT 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 KP 1.02 LA 0.97 ! NL 0.92 OV 1.01 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 HN 1.03 LA 0.98 ! MK 0.99 NL 1.00 OV 1.01 PT 1.07 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 KP 1.00 LA 0.97 ! NL 0.92 OV 1.02 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 HN 1.03 LA 0.99 ! MK 0.99 NL 0.98 OV 1.01 PT 1.06 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 KP 1.01 LA 0.97 ! NL 0.94 OV 1.01 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.00 HN 1.02 LA 0.99 ! MK 1.02 NL 1.00 OV 1.00 PT 1.07 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 KP 1.02 LA 0.97 ! NL 0.90 OV 1.01 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 HN 1.00 LA 1.00 ! MK 0.99 NL 0.99 OV 1.01 PT 1.07 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 KP 1.02 LA 0.96 ! NL 0.91 OV 1.00 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.01 HN 1.02 LA 0.97 ! MK 1.01 NL 0.99 OV 0.99 PT 1.07 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 KP 1.02 LA 0.96 ! NL 0.92 OV 1.00 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.98 HN 1.01 LA 0.98 ! MK 1.01 NL 0.98 OV 0.99 PT 1.06 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 KP 0.99 LA 0.97 ! NL 0.91 OV 1.00 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 HN 1.01 LA 1.01 ! MK 0.99 NL 0.98 OV 1.00 PT 1.06 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 KP 1.01 LA 0.96 ! NL 0.91 OV 1.00 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.98 HN 0.99 LA 0.97 ! MK 0.99 NL 0.99 OV 0.99 PT 1.08 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 KP 1.00 LA 0.96 ! NL 0.92 OV 0.99 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.01 HN 1.00 LA 0.98 ! MK 0.98 NL 0.98 OV 0.99 PT 1.05 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 KP 1.00 LA 0.96 ! NL 0.91 OV 0.99 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.98 HN 1.01 LA 0.99 ! MK 1.01 NL 0.97 OV 1.00 PT 1.06 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 KP 1.01 LA 0.94 ! NL 0.90 OV 1.00 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.98 HN 1.00 LA 0.99 ! MK 0.97 NL 0.99 OV 0.99 PT 1.06 ! ! ! Fit before self-cal, rms=0.082029Jy sigma=1.168525 ! Fit after self-cal, rms=0.072094Jy sigma=0.978423 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.131 mas, bmaj=3.038 mas, bpa=-15.79 degrees ! Estimated noise=0.355117 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 = 0.000267349 Jy ! Component: 100 - total flux cleaned = 0.000402768 Jy ! Component: 150 - total flux cleaned = 0.00051897 Jy ! Component: 200 - total flux cleaned = 0.000623264 Jy ! Total flux subtracted in 200 components = 0.000623264 Jy ! Clean residual min=-0.007049 max=0.008018 Jy/beam ! Clean residual mean=-0.000019 rms=0.001937 Jy/beam ! Combined flux in latest and established models = 1.00047 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 23 components and 1.00047 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=0.072062Jy sigma=0.978005 ! Fit after self-cal, rms=0.072077Jy sigma=0.977952 ! 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=0.072077Jy sigma=0.977952 ! Fit after self-cal, rms=0.068839Jy sigma=0.924015 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.13 mas, bmaj=3.038 mas, bpa=-15.82 degrees ! Estimated noise=0.355046 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000214085 Jy ! Component: 100 - total flux cleaned = 0.000214894 Jy ! Component: 150 - total flux cleaned = 0.000323028 Jy ! Component: 200 - total flux cleaned = 0.000387624 Jy ! Total flux subtracted in 200 components = 0.000387624 Jy ! Clean residual min=-0.005220 max=0.005640 Jy/beam ! Clean residual mean=-0.000010 rms=0.001497 Jy/beam ! Combined flux in latest and established models = 1.00086 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 31 components and 1.00086 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=0.068777Jy sigma=0.923482 ! Fit after self-cal, rms=0.068778Jy sigma=0.923458 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 = 0.000151427 Jy ! Component: 100 - total flux cleaned = 0.000205438 Jy ! Component: 150 - total flux cleaned = 0.000256109 Jy ! Component: 200 - total flux cleaned = 0.000325905 Jy ! Total flux subtracted in 200 components = 0.000325905 Jy ! Clean residual min=-0.005189 max=0.005680 Jy/beam ! Clean residual mean=-0.000010 rms=0.001494 Jy/beam ! Combined flux in latest and established models = 1.00119 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 34 components and 1.00119 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=0.068748Jy sigma=0.923214 ! Fit after self-cal, rms=0.068748Jy sigma=0.923198 ! 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=0.068748Jy sigma=0.923198 ! Fit after self-cal, rms=0.062169Jy sigma=0.833484 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.13 mas, bmaj=3.039 mas, bpa=-15.78 degrees ! Estimated noise=0.355187 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109588 Jy ! Component: 100 - total flux cleaned = 0.00125488 Jy ! Component: 150 - total flux cleaned = 0.00134901 Jy ! Component: 200 - total flux cleaned = 0.00143515 Jy ! Total flux subtracted in 200 components = 0.00143515 Jy ! Clean residual min=-0.001486 max=0.001604 Jy/beam ! Clean residual mean=-0.000001 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 1.00262 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 40 components and 1.00262 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=0.062143Jy sigma=0.833078 ! Fit after self-cal, rms=0.062157Jy sigma=0.833050 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 (-0.6, -4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.92071e-05 Jy ! Component: 100 - total flux cleaned = -0.000492088 Jy ! Component: 150 - total flux cleaned = -0.000602761 Jy ! Component: 200 - total flux cleaned = -0.000664112 Jy ! Total flux subtracted in 200 components = -0.000664112 Jy ! Clean residual min=-0.001337 max=0.001464 Jy/beam ! Clean residual mean=-0.000002 rms=0.000338 Jy/beam ! Combined flux in latest and established models = 1.00196 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 53 components and 1.00196 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=0.062090Jy sigma=0.832170 ! Fit after self-cal, rms=0.062087Jy sigma=0.832132 ! Inverting map ! Added new window around map position (-3.6, -8.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00107206 Jy ! Component: 100 - total flux cleaned = 0.00114417 Jy ! Component: 150 - total flux cleaned = 0.00117354 Jy ! Component: 200 - total flux cleaned = 0.00117294 Jy ! Total flux subtracted in 200 components = 0.00117294 Jy ! Clean residual min=-0.001203 max=0.001327 Jy/beam ! Clean residual mean=-0.000002 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 1.00313 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 69 components and 1.00313 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=0.062038Jy sigma=0.831537 ! Fit after self-cal, rms=0.062037Jy sigma=0.831522 ! 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=0.062037Jy sigma=0.831522 ! Fit after self-cal, rms=0.062027Jy sigma=0.831403 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.406 mas, bmaj=4.951 mas, bpa=-5.719 degrees ! Estimated noise=0.394423 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.97851e-05 Jy ! Component: 100 - total flux cleaned = 2.90118e-05 Jy ! Component: 150 - total flux cleaned = 7.22316e-05 Jy ! Component: 200 - total flux cleaned = 0.000121486 Jy ! Total flux subtracted in 200 components = 0.000121486 Jy ! Clean residual min=-0.001169 max=0.001154 Jy/beam ! Clean residual mean=-0.000003 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 1.00325 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 95 components and 1.00325 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=0.062020Jy sigma=0.831260 ! Fit after self-cal, rms=0.062019Jy sigma=0.831249 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 = -0.00019673 Jy ! Component: 100 - total flux cleaned = -0.000220607 Jy ! Component: 150 - total flux cleaned = -0.000194117 Jy ! Component: 200 - total flux cleaned = -0.000170139 Jy ! Total flux subtracted in 200 components = -0.000170139 Jy ! Clean residual min=-0.001128 max=0.001155 Jy/beam ! Clean residual mean=-0.000003 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 1.00308 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 109 components and 1.00308 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=0.062015Jy sigma=0.831209 ! Fit after self-cal, rms=0.062015Jy sigma=0.831204 ! 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=1.129 mas, bmaj=3.038 mas, bpa=-15.77 degrees ! Estimated noise=0.355213 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.129 x 3.038 at -15.77 degrees (North through East) ! Clean map min=-0.0029192 max=1.0024 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 ! Performing amp+phase self-cal ! ! 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=0.062015Jy sigma=0.831204 ! Fit after self-cal, rms=0.056216Jy sigma=0.740666 ! Inverting map and beam ! Estimated beam: bmin=1.129 mas, bmaj=3.038 mas, bpa=-15.77 degrees ! Estimated noise=0.355318 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0004957 Jy ! Component: 100 - total flux cleaned = 0.000541474 Jy ! Component: 150 - total flux cleaned = 0.000542401 Jy ! Component: 200 - total flux cleaned = 0.000561449 Jy ! Total flux subtracted in 200 components = 0.000561449 Jy ! Clean residual min=-0.001126 max=0.001244 Jy/beam ! Clean residual mean=-0.000002 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 1.00364 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 125 components and 1.00364 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=0.056193Jy sigma=0.740435 ! Fit after self-cal, rms=0.056193Jy sigma=0.740424 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.29576e-05 Jy ! Component: 100 - total flux cleaned = -8.16274e-05 Jy ! Component: 150 - total flux cleaned = -9.85641e-05 Jy ! Component: 200 - total flux cleaned = -6.5452e-05 Jy ! Total flux subtracted in 200 components = -6.5452e-05 Jy ! Clean residual min=-0.001084 max=0.001237 Jy/beam ! Clean residual mean=-0.000002 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 1.00358 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 136 components and 1.00358 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=0.056180Jy sigma=0.740303 ! Fit after self-cal, rms=0.056180Jy sigma=0.740297 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.056180Jy sigma=0.740297 ! Fit after self-cal, rms=0.056186Jy sigma=0.740251 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=0.7967 mas, bmaj=2.242 mas, bpa=-17.43 degrees ! Estimated noise=0.655322 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.774728 Jy ! Component: 100 - total flux cleaned = 0.943669 Jy ! Component: 150 - total flux cleaned = 0.983343 Jy ! Component: 200 - total flux cleaned = 0.998507 Jy ! Total flux subtracted in 200 components = 0.998507 Jy ! Clean residual min=-0.003496 max=0.006487 Jy/beam ! Clean residual mean=-0.000001 rms=0.000807 Jy/beam ! Combined flux in latest and established models = 0.998507 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.998507 Jy ! Inverting map and beam ! Estimated beam: bmin=1.129 mas, bmaj=3.038 mas, bpa=-15.77 degrees ! Estimated noise=0.355408 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 = 0.00788918 Jy ! Component: 100 - total flux cleaned = 0.00818062 Jy ! Component: 150 - total flux cleaned = 0.00766415 Jy ! Component: 200 - total flux cleaned = 0.00740345 Jy ! Total flux subtracted in 200 components = 0.00740345 Jy ! Clean residual min=-0.001865 max=0.001820 Jy/beam ! Clean residual mean=-0.000001 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 1.00591 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 36 components and 1.00591 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=2.405 mas, bmaj=4.951 mas, bpa=-5.727 degrees ! Estimated noise=0.39473 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00030701 Jy ! Component: 100 - total flux cleaned = -0.000352012 Jy ! Component: 150 - total flux cleaned = -0.000472678 Jy ! Component: 200 - total flux cleaned = -0.000577311 Jy ! Total flux subtracted in 200 components = -0.000577311 Jy ! Clean residual min=-0.001325 max=0.001214 Jy/beam ! Clean residual mean=-0.000002 rms=0.000341 Jy/beam ! Combined flux in latest and established models = 1.00533 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.12135e-05 Jy ! Component: 100 - total flux cleaned = -0.000197216 Jy ! Component: 150 - total flux cleaned = -0.000268004 Jy ! Component: 200 - total flux cleaned = -0.000354821 Jy ! Total flux subtracted in 200 components = -0.000354821 Jy ! Clean residual min=-0.001246 max=0.001160 Jy/beam ! Clean residual mean=-0.000002 rms=0.000327 Jy/beam ! Combined flux in latest and established models = 1.00498 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 65 components and 1.00498 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.129 mas, bmaj=3.038 mas, bpa=-15.77 degrees ! Estimated noise=0.355408 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000213404 Jy ! Component: 100 - total flux cleaned = -0.000258253 Jy ! Component: 150 - total flux cleaned = -0.000259172 Jy ! Component: 200 - total flux cleaned = -0.00029347 Jy ! Total flux subtracted in 200 components = -0.00029347 Jy ! Clean residual min=-0.001344 max=0.001267 Jy/beam ! Clean residual mean=-0.000002 rms=0.000313 Jy/beam ! Combined flux in latest and established models = 1.00469 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 90 components and 1.00469 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=0.056265Jy sigma=0.740974 ! Fit after self-cal, rms=0.056259Jy sigma=0.740897 wmodel J2000-1748_X_map.mod ! Writing 90 model components to file: J2000-1748_X_map.mod wobs J2000-1748_X_uvs.fits ! Writing UV FITS file: J2000-1748_X_uvs.fits wwins J2000-1748_X_map.win ! wwins: Wrote 3 windows to J2000-1748_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 = 0.000110686 Jy ! Component: 100 - total flux cleaned = 0.00039846 Jy ! Component: 150 - total flux cleaned = 0.000607339 Jy ! Component: 200 - total flux cleaned = 0.000688097 Jy ! Component: 250 - total flux cleaned = 0.000706985 Jy ! Component: 300 - total flux cleaned = 0.000706924 Jy ! Component: 350 - total flux cleaned = 0.000707062 Jy ! Component: 400 - total flux cleaned = 0.000760702 Jy ! Component: 450 - total flux cleaned = 0.000743485 Jy ! Component: 500 - total flux cleaned = 0.000761062 Jy ! Component: 550 - total flux cleaned = 0.000811676 Jy ! Component: 600 - total flux cleaned = 0.000746008 Jy ! Component: 650 - total flux cleaned = 0.000730099 Jy ! Component: 700 - total flux cleaned = 0.000698456 Jy ! Component: 750 - total flux cleaned = 0.00063615 Jy ! Component: 800 - total flux cleaned = 0.000559396 Jy ! Component: 850 - total flux cleaned = 0.000484252 Jy ! Component: 900 - total flux cleaned = 0.000484453 Jy ! Component: 950 - total flux cleaned = 0.000484315 Jy ! Component: 1000 - total flux cleaned = 0.000455543 Jy ! Component: 1050 - total flux cleaned = 0.000455653 Jy ! Component: 1100 - total flux cleaned = 0.000455511 Jy ! Component: 1150 - total flux cleaned = 0.00038611 Jy ! Component: 1200 - total flux cleaned = 0.00038641 Jy ! Component: 1250 - total flux cleaned = 0.000372991 Jy ! Component: 1300 - total flux cleaned = 0.00038638 Jy ! Component: 1350 - total flux cleaned = 0.000372959 Jy ! Component: 1400 - total flux cleaned = 0.000307121 Jy ! Component: 1450 - total flux cleaned = 0.000294053 Jy ! Component: 1500 - total flux cleaned = 0.000203873 Jy ! Component: 1550 - total flux cleaned = 0.000178568 Jy ! Component: 1600 - total flux cleaned = 0.000153708 Jy ! Component: 1650 - total flux cleaned = 0.000166195 Jy ! Component: 1700 - total flux cleaned = 0.000104408 Jy ! Component: 1750 - total flux cleaned = 0.000104412 Jy ! Component: 1800 - total flux cleaned = 9.22146e-05 Jy ! Component: 1850 - total flux cleaned = 5.61969e-05 Jy ! Component: 1900 - total flux cleaned = 4.45751e-05 Jy ! Component: 1950 - total flux cleaned = 6.83885e-05 Jy ! Component: 2000 - total flux cleaned = 0.000103117 Jy ! Component: 2050 - total flux cleaned = 7.98817e-05 Jy ! Component: 2100 - total flux cleaned = 8.0021e-05 Jy ! Component: 2150 - total flux cleaned = 9.14658e-05 Jy ! Component: 2200 - total flux cleaned = 9.13637e-05 Jy ! Component: 2250 - total flux cleaned = 5.78286e-05 Jy ! Component: 2300 - total flux cleaned = 5.78786e-05 Jy ! Component: 2350 - total flux cleaned = 4.68941e-05 Jy ! Component: 2400 - total flux cleaned = 2.49743e-05 Jy ! Component: 2450 - total flux cleaned = -7.64078e-06 Jy ! Component: 2500 - total flux cleaned = -7.52556e-06 Jy ! Component: 2550 - total flux cleaned = -2.9e-05 Jy ! Component: 2600 - total flux cleaned = -6.09504e-05 Jy ! Component: 2650 - total flux cleaned = -8.20452e-05 Jy ! Component: 2700 - total flux cleaned = -0.000113379 Jy ! Component: 2750 - total flux cleaned = -0.000134198 Jy ! Component: 2800 - total flux cleaned = -0.000196031 Jy ! Component: 2850 - total flux cleaned = -0.000175453 Jy ! Component: 2900 - total flux cleaned = -0.000195841 Jy ! Component: 2950 - total flux cleaned = -0.00021605 Jy ! Component: 3000 - total flux cleaned = -0.00024619 Jy ! Component: 3050 - total flux cleaned = -0.000266022 Jy ! Component: 3100 - total flux cleaned = -0.000246176 Jy ! Component: 3150 - total flux cleaned = -0.000324833 Jy ! Component: 3200 - total flux cleaned = -0.000324814 Jy ! Component: 3250 - total flux cleaned = -0.000305452 Jy ! Component: 3300 - total flux cleaned = -0.000344124 Jy ! Component: 3350 - total flux cleaned = -0.000363235 Jy ! Component: 3400 - total flux cleaned = -0.00041095 Jy ! Component: 3450 - total flux cleaned = -0.000448809 Jy ! Component: 3500 - total flux cleaned = -0.000505219 Jy ! Component: 3550 - total flux cleaned = -0.000542621 Jy ! Component: 3600 - total flux cleaned = -0.000551817 Jy ! Component: 3650 - total flux cleaned = -0.000579429 Jy ! Component: 3700 - total flux cleaned = -0.000616141 Jy ! Component: 3750 - total flux cleaned = -0.000679833 Jy ! Component: 3800 - total flux cleaned = -0.000688909 Jy ! Component: 3850 - total flux cleaned = -0.000769839 Jy ! Component: 3900 - total flux cleaned = -0.000823544 Jy ! Component: 3950 - total flux cleaned = -0.000876921 Jy ! Component: 4000 - total flux cleaned = -0.000903446 Jy ! Component: 4050 - total flux cleaned = -0.0009473 Jy ! Total flux subtracted in 4096 components = -0.000999633 Jy ! Clean residual min=-0.000522 max=0.000556 Jy/beam ! Clean residual mean=-0.000001 rms=0.000156 Jy/beam ! Combined flux in latest and established models = 1.00369 Jy keep ! Adding 268 model components to the UV plane model. ! The established model now contains 358 components and 1.00369 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2000-1748_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.129 x 3.038 at -15.77 degrees (North through East) ! Clean map min=-0.0015083 max=0.99975 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2000-1748_X_map.fits wmodel /vlbi/bp222/maps//J2000-1748_X_map.mod ! Writing 358 model components to file: /vlbi/bp222/maps//J2000-1748_X_map.mod wobs /vlbi/bp222/maps//J2000-1748_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2000-1748_X_uvs.fits wwins /vlbi/bp222/maps//J2000-1748_X_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J2000-1748_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.999748 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000156194 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.04687 0.04687 0.09374 0.18748 0.37496 0.74992 1.49984 2.99968 5.99936 11.9987 23.9974 47.9949 95.9898 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.999 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 6400.68 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2000-1748_X_dfm.log closed on Thu Sep 27 11:34:25 2018