! Started logfile: /image_prod/ug002_uva//J1901-1738_X_dfm.log on Thu Mar 5 04:01:09 2020 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 /image_prod/ug002_uva//J1901-1738_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1901-1738_X_uva.fits ! AN table 1: 50 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.990222 visibilities/baseline/integration-bin. ! Found source: J1901-1738 ! ! 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 26736 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 J1901-1738_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. ! ! 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=1.002627Jy sigma=8.436453 ! Fit after self-cal, rms=0.916486Jy sigma=7.690105 ! 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=0.6647 mas, bmaj=1.622 mas, bpa=-2.067 degrees ! Estimated noise=1.09613 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 = 0.0643742 Jy ! Component: 100 - total flux cleaned = 0.0788211 Jy ! Total flux subtracted in 100 components = 0.0788211 Jy ! Clean residual min=-0.003719 max=0.005296 Jy/beam ! Clean residual mean=-0.000001 rms=0.000885 Jy/beam ! Combined flux in latest and established models = 0.0788211 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0788211 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=0.063805Jy sigma=0.489844 ! Fit after self-cal, rms=0.063480Jy sigma=0.487395 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00634662 Jy ! Component: 100 - total flux cleaned = 0.0101332 Jy ! Total flux subtracted in 100 components = 0.0101332 Jy ! Clean residual min=-0.003313 max=0.003642 Jy/beam ! Clean residual mean=0.000001 rms=0.000739 Jy/beam ! Combined flux in latest and established models = 0.0889542 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 8 components and 0.0889542 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=0.062586Jy sigma=0.478372 ! Fit after self-cal, rms=0.062591Jy sigma=0.478209 ! 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=0.8622 mas, bmaj=2.023 mas, bpa=-1.867 degrees ! Estimated noise=0.525815 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 (-1.6, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00455299 Jy ! Component: 100 - total flux cleaned = 0.00732255 Jy ! Component: 150 - total flux cleaned = 0.00925711 Jy ! Component: 200 - total flux cleaned = 0.0106401 Jy ! Total flux subtracted in 200 components = 0.0106401 Jy ! Clean residual min=-0.002767 max=0.003218 Jy/beam ! Clean residual mean=0.000005 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 0.0995944 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 35 components and 0.0995944 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=0.062221Jy sigma=0.474852 ! Fit after self-cal, rms=0.062211Jy sigma=0.474613 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8622 x 2.023 at -1.867 degrees (North through East) ! Clean map min=-0.0027032 max=0.084144 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.03 HN 1.03 KP 1.06 ! LA 1.03 MK 1.01 NL 1.06 OV 1.05 ! PT 0.85 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 1.04 KP 1.05 ! LA 0.98 MK 1.00 NL 1.03 OV 1.05 ! PT 0.83 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.08 HN 1.04 KP 1.03 ! LA 1.00 MK 1.00 NL 1.06 OV 1.01 ! PT 0.87 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 HN 1.07 KP 1.06 ! LA 0.97 MK 1.01 NL 1.09 OV 1.00 ! PT 0.86 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.05 HN 1.04 KP 1.05 ! LA 0.97 MK 1.02 NL 1.06 OV 1.03 ! PT 0.84 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.02 HN 1.07 KP 1.07 ! LA 0.98 MK 0.99 NL 1.02 OV 1.04 ! PT 0.88 SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.02 HN 1.04 KP 1.05 ! LA 1.02 MK 0.95 NL 1.04 OV 1.02 ! PT 0.87 SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.00 HN 1.03 KP 1.05 ! LA 1.01 MK 1.02 NL 1.05 OV 1.05 ! PT 0.84 SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.95 HN 1.02 KP 1.05 ! LA 0.99 MK 1.06 NL 1.12 OV 1.02 ! PT 0.83 SC 0.95 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 1.01 KP 1.07 ! LA 0.97 MK 1.03 NL 1.05 OV 1.02 ! PT 0.87 SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 HN 1.06 KP 1.08 ! LA 0.98 MK 0.94 NL 1.06 OV 1.04 ! PT 0.85 SC 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 1.01 KP 1.05 ! LA 1.04 MK 1.00 NL 0.97 OV 1.05 ! PT 0.84 SC 1.00 ! ! ! Fit before self-cal, rms=0.062211Jy sigma=0.474613 ! Fit after self-cal, rms=0.060962Jy sigma=0.469895 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8655 mas, bmaj=2.021 mas, bpa=-1.498 degrees ! Estimated noise=0.52175 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 (-4.4, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00242111 Jy ! Component: 100 - total flux cleaned = 0.00297661 Jy ! Component: 150 - total flux cleaned = 0.00297155 Jy ! Component: 200 - total flux cleaned = 0.00311444 Jy ! Total flux subtracted in 200 components = 0.00311444 Jy ! Clean residual min=-0.001291 max=0.001250 Jy/beam ! Clean residual mean=0.000002 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.102709 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 66 components and 0.102709 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=0.060863Jy sigma=0.469004 ! Fit after self-cal, rms=0.060877Jy sigma=0.468831 ! 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=0.060877Jy sigma=0.468831 ! Fit after self-cal, rms=0.062246Jy sigma=0.467866 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8677 mas, bmaj=2.016 mas, bpa=-1.757 degrees ! Estimated noise=0.521659 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.533e-05 Jy ! Component: 100 - total flux cleaned = 0.000116907 Jy ! Component: 150 - total flux cleaned = 0.000216461 Jy ! Component: 200 - total flux cleaned = 0.000303979 Jy ! Total flux subtracted in 200 components = 0.000303979 Jy ! Clean residual min=-0.001083 max=0.001096 Jy/beam ! Clean residual mean=0.000001 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.103013 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 88 components and 0.103013 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=0.062229Jy sigma=0.467749 ! Fit after self-cal, rms=0.062254Jy sigma=0.467725 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.96119e-05 Jy ! Component: 100 - total flux cleaned = 0.000126845 Jy ! Component: 150 - total flux cleaned = 0.000197103 Jy ! Component: 200 - total flux cleaned = 0.000261347 Jy ! Total flux subtracted in 200 components = 0.000261347 Jy ! Clean residual min=-0.001046 max=0.001065 Jy/beam ! Clean residual mean=0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.103274 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 98 components and 0.103274 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=0.062247Jy sigma=0.467678 ! Fit after self-cal, rms=0.062247Jy sigma=0.467675 ! Inverting map ! Added new window around map position (-47.2, 50.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00057705 Jy ! Component: 100 - total flux cleaned = 0.000619652 Jy ! Component: 150 - total flux cleaned = 0.000622167 Jy ! Component: 200 - total flux cleaned = 0.000622957 Jy ! Total flux subtracted in 200 components = 0.000622957 Jy ! Clean residual min=-0.000983 max=0.000944 Jy/beam ! Clean residual mean=0.000001 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.103897 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 111 components and 0.103897 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=0.062226Jy sigma=0.467558 ! Fit after self-cal, rms=0.062225Jy sigma=0.467545 ! 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=0.062225Jy sigma=0.467545 ! Fit after self-cal, rms=0.062329Jy sigma=0.467524 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8681 mas, bmaj=2.014 mas, bpa=-1.688 degrees ! Estimated noise=0.52096 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.71078e-05 Jy ! Component: 100 - total flux cleaned = -6.44117e-05 Jy ! Component: 150 - total flux cleaned = -7.85021e-05 Jy ! Component: 200 - total flux cleaned = -9.15032e-05 Jy ! Total flux subtracted in 200 components = -9.15032e-05 Jy ! Clean residual min=-0.000968 max=0.000934 Jy/beam ! Clean residual mean=0.000001 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 0.103806 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 117 components and 0.103806 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=0.062320Jy sigma=0.467476 ! Fit after self-cal, rms=0.062322Jy sigma=0.467472 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 = -2.77495e-05 Jy ! Component: 100 - total flux cleaned = -2.76779e-05 Jy ! Component: 150 - total flux cleaned = -4.90922e-06 Jy ! Component: 200 - total flux cleaned = 6.23404e-06 Jy ! Total flux subtracted in 200 components = 6.23404e-06 Jy ! Clean residual min=-0.000951 max=0.000932 Jy/beam ! Clean residual mean=0.000001 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.103812 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 121 components and 0.103812 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=0.062317Jy sigma=0.467444 ! Fit after self-cal, rms=0.062317Jy sigma=0.467442 ! 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=0.062317Jy sigma=0.467442 ! Fit after self-cal, rms=0.062284Jy sigma=0.467431 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.202 mas, bmaj=4.388 mas, bpa=3.518 degrees ! Estimated noise=0.642743 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.09874e-06 Jy ! Component: 100 - total flux cleaned = 1.89596e-05 Jy ! Component: 150 - total flux cleaned = 3.38611e-05 Jy ! Component: 200 - total flux cleaned = 6.21277e-05 Jy ! Total flux subtracted in 200 components = 6.21277e-05 Jy ! Clean residual min=-0.001037 max=0.001152 Jy/beam ! Clean residual mean=0.000002 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 0.103874 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 133 components and 0.103874 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=0.062283Jy sigma=0.467422 ! Fit after self-cal, rms=0.062283Jy sigma=0.467418 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 = -1.26365e-05 Jy ! Component: 100 - total flux cleaned = 1.5637e-05 Jy ! Component: 150 - total flux cleaned = 3.53235e-05 Jy ! Component: 200 - total flux cleaned = 5.9843e-05 Jy ! Total flux subtracted in 200 components = 5.9843e-05 Jy ! Clean residual min=-0.001027 max=0.001150 Jy/beam ! Clean residual mean=0.000002 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.103934 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 140 components and 0.103934 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=0.062283Jy sigma=0.467411 ! Fit after self-cal, rms=0.062283Jy sigma=0.467410 ! 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=0.868 mas, bmaj=2.012 mas, bpa=-1.637 degrees ! Estimated noise=0.520158 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.868 x 2.012 at -1.637 degrees (North through East) ! Clean map min=-0.00084661 max=0.083916 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=0.6683 mas, bmaj=1.608 mas, bpa=-1.865 degrees ! Estimated noise=1.0885 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0640693 Jy ! Component: 100 - total flux cleaned = 0.0786608 Jy ! Component: 150 - total flux cleaned = 0.0847125 Jy ! Component: 200 - total flux cleaned = 0.0883153 Jy ! Total flux subtracted in 200 components = 0.0883153 Jy ! Clean residual min=-0.002233 max=0.002449 Jy/beam ! Clean residual mean=-0.000000 rms=0.000562 Jy/beam ! Combined flux in latest and established models = 0.0883153 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0883153 Jy ! Inverting map and beam ! Estimated beam: bmin=0.868 mas, bmaj=2.012 mas, bpa=-1.637 degrees ! Estimated noise=0.520158 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 = 0.00376365 Jy ! Component: 100 - total flux cleaned = 0.0061697 Jy ! Component: 150 - total flux cleaned = 0.00794127 Jy ! Component: 200 - total flux cleaned = 0.00934052 Jy ! Total flux subtracted in 200 components = 0.00934052 Jy ! Clean residual min=-0.001130 max=0.001117 Jy/beam ! Clean residual mean=0.000002 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.0976559 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 49 components and 0.0976559 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=2.202 mas, bmaj=4.388 mas, bpa=3.518 degrees ! Estimated noise=0.642743 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00181709 Jy ! Component: 100 - total flux cleaned = 0.00298968 Jy ! Component: 150 - total flux cleaned = 0.00382913 Jy ! Component: 200 - total flux cleaned = 0.00446939 Jy ! Total flux subtracted in 200 components = 0.00446939 Jy ! Clean residual min=-0.001151 max=0.001126 Jy/beam ! Clean residual mean=0.000003 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.102125 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 = 0.000498705 Jy ! Component: 100 - total flux cleaned = 0.000892767 Jy ! Component: 150 - total flux cleaned = 0.00117096 Jy ! Component: 200 - total flux cleaned = 0.00129801 Jy ! Total flux subtracted in 200 components = 0.00129801 Jy ! Clean residual min=-0.001068 max=0.001126 Jy/beam ! Clean residual mean=0.000002 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.103423 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 99 components and 0.103423 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.868 mas, bmaj=2.012 mas, bpa=-1.637 degrees ! Estimated noise=0.520158 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.05807e-05 Jy ! Component: 100 - total flux cleaned = 4.52549e-05 Jy ! Component: 150 - total flux cleaned = 0.000155075 Jy ! Component: 200 - total flux cleaned = 0.000219459 Jy ! Total flux subtracted in 200 components = 0.000219459 Jy ! Clean residual min=-0.000925 max=0.000892 Jy/beam ! Clean residual mean=0.000001 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.103643 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 114 components and 0.103643 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=0.062291Jy sigma=0.467455 ! Fit after self-cal, rms=0.062279Jy sigma=0.467435 wmodel J1901-1738_X_map.mod ! Writing 114 model components to file: J1901-1738_X_map.mod wobs J1901-1738_X_uvs.fits ! Writing UV FITS file: J1901-1738_X_uvs.fits wwins J1901-1738_X_map.win ! wwins: Wrote 4 windows to J1901-1738_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 = -0.000188621 Jy ! Component: 100 - total flux cleaned = -0.000349409 Jy ! Component: 150 - total flux cleaned = -0.000488594 Jy ! Component: 200 - total flux cleaned = -0.00059317 Jy ! Component: 250 - total flux cleaned = -0.000651772 Jy ! Component: 300 - total flux cleaned = -0.000751212 Jy ! Component: 350 - total flux cleaned = -0.000806619 Jy ! Component: 400 - total flux cleaned = -0.000874363 Jy ! Component: 450 - total flux cleaned = -0.000847813 Jy ! Component: 500 - total flux cleaned = -0.000887312 Jy ! Component: 550 - total flux cleaned = -0.000900426 Jy ! Component: 600 - total flux cleaned = -0.000900484 Jy ! Component: 650 - total flux cleaned = -0.000912865 Jy ! Component: 700 - total flux cleaned = -0.000912713 Jy ! Component: 750 - total flux cleaned = -0.000864592 Jy ! Component: 800 - total flux cleaned = -0.000829114 Jy ! Component: 850 - total flux cleaned = -0.00082927 Jy ! Component: 900 - total flux cleaned = -0.000840626 Jy ! Component: 950 - total flux cleaned = -0.000794709 Jy ! Component: 1000 - total flux cleaned = -0.000715797 Jy ! Component: 1050 - total flux cleaned = -0.000738122 Jy ! Component: 1100 - total flux cleaned = -0.000672271 Jy ! Component: 1150 - total flux cleaned = -0.000650613 Jy ! Component: 1200 - total flux cleaned = -0.000618494 Jy ! Component: 1250 - total flux cleaned = -0.000629258 Jy ! Component: 1300 - total flux cleaned = -0.000587353 Jy ! Component: 1350 - total flux cleaned = -0.000566728 Jy ! Component: 1400 - total flux cleaned = -0.000556548 Jy ! Component: 1450 - total flux cleaned = -0.000556456 Jy ! Component: 1500 - total flux cleaned = -0.000526049 Jy ! Component: 1550 - total flux cleaned = -0.00054598 Jy ! Component: 1600 - total flux cleaned = -0.000526057 Jy ! Component: 1650 - total flux cleaned = -0.000477094 Jy ! Component: 1700 - total flux cleaned = -0.000496426 Jy ! Component: 1750 - total flux cleaned = -0.000486869 Jy ! Component: 1800 - total flux cleaned = -0.000477396 Jy ! Component: 1850 - total flux cleaned = -0.000515218 Jy ! Component: 1900 - total flux cleaned = -0.000487013 Jy ! Component: 1950 - total flux cleaned = -0.000487107 Jy ! Component: 2000 - total flux cleaned = -0.000487088 Jy ! Component: 2050 - total flux cleaned = -0.000505279 Jy ! Component: 2100 - total flux cleaned = -0.000487041 Jy ! Component: 2150 - total flux cleaned = -0.000469055 Jy ! Component: 2200 - total flux cleaned = -0.000460156 Jy ! Component: 2250 - total flux cleaned = -0.000407397 Jy ! Component: 2300 - total flux cleaned = -0.000442418 Jy ! Component: 2350 - total flux cleaned = -0.000442456 Jy ! Component: 2400 - total flux cleaned = -0.000425377 Jy ! Component: 2450 - total flux cleaned = -0.000433899 Jy ! Component: 2500 - total flux cleaned = -0.000442427 Jy ! Component: 2550 - total flux cleaned = -0.000459176 Jy ! Component: 2600 - total flux cleaned = -0.000459048 Jy ! Component: 2650 - total flux cleaned = -0.000442407 Jy ! Component: 2700 - total flux cleaned = -0.000425948 Jy ! Component: 2750 - total flux cleaned = -0.000417893 Jy ! Component: 2800 - total flux cleaned = -0.000450375 Jy ! Component: 2850 - total flux cleaned = -0.000434274 Jy ! Component: 2900 - total flux cleaned = -0.000418173 Jy ! Component: 2950 - total flux cleaned = -0.000394194 Jy ! Component: 3000 - total flux cleaned = -0.000433828 Jy ! Component: 3050 - total flux cleaned = -0.000425945 Jy ! Component: 3100 - total flux cleaned = -0.000425918 Jy ! Component: 3150 - total flux cleaned = -0.000433674 Jy ! Component: 3200 - total flux cleaned = -0.000410487 Jy ! Component: 3250 - total flux cleaned = -0.000433563 Jy ! Component: 3300 - total flux cleaned = -0.000418322 Jy ! Component: 3350 - total flux cleaned = -0.000433479 Jy ! Component: 3400 - total flux cleaned = -0.000440981 Jy ! Component: 3450 - total flux cleaned = -0.000425979 Jy ! Component: 3500 - total flux cleaned = -0.000426006 Jy ! Component: 3550 - total flux cleaned = -0.000425967 Jy ! Component: 3600 - total flux cleaned = -0.000411225 Jy ! Component: 3650 - total flux cleaned = -0.000418526 Jy ! Component: 3700 - total flux cleaned = -0.000403921 Jy ! Component: 3750 - total flux cleaned = -0.000411236 Jy ! Component: 3800 - total flux cleaned = -0.000440032 Jy ! Component: 3850 - total flux cleaned = -0.000418557 Jy ! Component: 3900 - total flux cleaned = -0.000397268 Jy ! Component: 3950 - total flux cleaned = -0.000418455 Jy ! Component: 4000 - total flux cleaned = -0.000418394 Jy ! Component: 4050 - total flux cleaned = -0.000397428 Jy ! Total flux subtracted in 4096 components = -0.000390451 Jy ! Clean residual min=-0.000372 max=0.000411 Jy/beam ! Clean residual mean=0.000001 rms=0.000120 Jy/beam ! Combined flux in latest and established models = 0.103252 Jy keep ! Adding 291 model components to the UV plane model. ! The established model now contains 405 components and 0.103252 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1901-1738_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.868 x 2.012 at -1.637 degrees (North through East) ! Clean map min=-0.00064958 max=0.084646 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1901-1738_X_map.fits wmodel /image_prod/ug002_uva//J1901-1738_X_map.mod ! Writing 405 model components to file: /image_prod/ug002_uva//J1901-1738_X_map.mod wobs /image_prod/ug002_uva//J1901-1738_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1901-1738_X_uvs.fits wwins /image_prod/ug002_uva//J1901-1738_X_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uva//J1901-1738_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0846463 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000119502 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.423535 0.423535 0.847071 1.69414 3.38828 6.77657 13.5531 27.1063 54.2125 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.084 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 708.323 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1901-1738_X_dfm.log closed on Thu Mar 5 04:01:14 2020