! Started logfile: /image_prod/ug002_uvm//J1257+8342_X_a_dfm.log on Wed Mar 4 17:09:52 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_uvm//J1257+8342_X_a_uvm.fits ! Reading UV FITS file: /image_prod/ug002_uvm//J1257+8342_X_a_uvm.fits ! AN table 1: 85 integrations on 36 of 36 possible baselines. ! AN table 2: 60 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.768056 visibilities/baseline/integration-bin. ! Found source: J1257+8342 ! ! 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 121 lines of history. ! ! Reading 53088 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 J1257+8342_X_a] 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 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 155 telescope corrections were flagged in sub-array 1. ! A total of 40 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.001940Jy sigma=9.012964 ! Fit after self-cal, rms=0.970632Jy sigma=8.731042 ! 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=0.7724 mas, bmaj=0.878 mas, bpa=21.1 degrees ! Estimated noise=0.731961 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 = 0.0231587 Jy ! Component: 100 - total flux cleaned = 0.0287219 Jy ! Total flux subtracted in 100 components = 0.0287219 Jy ! Clean residual min=-0.001870 max=0.003924 Jy/beam ! Clean residual mean=0.000001 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.0287219 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0287219 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=0.055966Jy sigma=0.470241 ! Fit after self-cal, rms=0.054364Jy sigma=0.455245 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00451346 Jy ! Component: 100 - total flux cleaned = 0.0065706 Jy ! Total flux subtracted in 100 components = 0.0065706 Jy ! Clean residual min=-0.001777 max=0.003130 Jy/beam ! Clean residual mean=-0.000000 rms=0.000383 Jy/beam ! Combined flux in latest and established models = 0.0352925 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 7 components and 0.0352925 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=0.053935Jy sigma=0.451269 ! Fit after self-cal, rms=0.053940Jy sigma=0.451147 ! Inverting map ! Added new window around map position (0.4, -1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00253709 Jy ! Component: 100 - total flux cleaned = 0.00289194 Jy ! Total flux subtracted in 100 components = 0.00289194 Jy ! Clean residual min=-0.001651 max=0.002681 Jy/beam ! Clean residual mean=-0.000001 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.0381845 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 15 components and 0.0381845 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=0.053826Jy sigma=0.450085 ! Fit after self-cal, rms=0.053792Jy sigma=0.449653 ! 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=1.008 mas, bmaj=1.166 mas, bpa=11.77 degrees ! Estimated noise=0.346903 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 = 0.00144529 Jy ! Component: 100 - total flux cleaned = 0.00125699 Jy ! Component: 150 - total flux cleaned = 0.00120631 Jy ! Component: 200 - total flux cleaned = 0.00118438 Jy ! Total flux subtracted in 200 components = 0.00118438 Jy ! Clean residual min=-0.001043 max=0.001913 Jy/beam ! Clean residual mean=-0.000003 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.0393689 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 23 components and 0.0393689 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=0.053733Jy sigma=0.449128 ! Fit after self-cal, rms=0.053710Jy sigma=0.448903 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000713293 Jy ! Component: 100 - total flux cleaned = 0.000549313 Jy ! Component: 150 - total flux cleaned = 0.000442045 Jy ! Component: 200 - total flux cleaned = 0.000370347 Jy ! Total flux subtracted in 200 components = 0.000370347 Jy ! Clean residual min=-0.001004 max=0.001506 Jy/beam ! Clean residual mean=-0.000003 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.0397392 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 26 components and 0.0397392 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=0.053680Jy sigma=0.448619 ! Fit after self-cal, rms=0.053660Jy sigma=0.448489 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.008 x 1.166 at 11.77 degrees (North through East) ! Clean map min=-0.00092699 max=0.031842 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.15 HN 1.03 KP 1.02 ! LA 0.99 MK 1.01 OV 0.96 PT 0.94 ! SC 0.84 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.11 FD 1.01 HN 0.89 KP 1.07 ! LA 1.07 MK 1.22 NL 1.09 OV 1.12 ! PT 1.06 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.04 HN 1.21 KP 0.99 ! LA 1.01 MK 1.13 OV 0.93 PT 0.97 ! SC 0.86 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.10 FD 1.10 HN 0.96 KP 1.07 ! LA 0.99 MK 1.12 NL 1.01 OV 1.03 ! PT 1.16 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.09 HN 1.04 KP 1.00 ! LA 0.97 MK 1.12 OV 1.00 PT 0.88 ! SC 0.88 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.04 HN 0.95 KP 1.06 ! LA 1.03 MK 1.13 NL 1.05 OV 1.10 ! PT 1.04 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.06 HN 1.05 KP 0.97 ! LA 0.96 MK 1.11 OV 0.85 PT 0.91 ! SC 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.06 HN 0.83 KP 1.07 ! LA 1.08 MK 1.05 NL 1.12 OV 1.18 ! PT 1.14 SC 1.11 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.09 HN 1.04 KP 0.99 ! LA 0.98 MK 1.24 OV 0.98 PT 0.83 ! SC 0.87 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.06 HN 0.83 KP 1.10 ! LA 1.03 MK 1.11 NL 0.96 OV 0.97 ! PT 1.15 SC 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.07 HN 1.09 KP 0.98 ! LA 0.96 MK 1.18 OV 0.93 PT 0.90 ! SC 0.85 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.11 HN 0.83 KP 1.06 ! LA 0.98 MK 1.20 NL 1.18 OV 1.11 ! PT 1.12 SC 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HN 1.00 KP 1.03 ! LA 0.99 MK 1.06 OV 0.94 PT 0.94 ! SC 0.87 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.07 HN 0.91 KP 1.00 ! LA 1.01 MK 1.08 NL 1.00 OV 1.12 ! PT 1.16 SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 1.00 HN 0.91 KP 1.07 ! LA 1.02 MK 1.13 OV 0.95 PT 1.02 ! SC 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 1.02 HN 0.90 KP 1.00 ! LA 1.06 MK 1.18 NL 1.08 OV 1.05 ! PT 0.97 SC 0.88 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.96 HN 0.92 KP 1.00 ! LA 0.98 MK 1.01 OV 0.91 PT 0.95 ! SC 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.96 HN 0.76 KP 1.08 ! LA 1.10 MK 1.11 NL 0.98 OV 1.12 ! PT 1.03 SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HN 1.00 KP 0.98 ! LA 0.98 MK 1.13 OV 0.92 PT 0.83 ! SC 0.90 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 1.04 HN 0.80 KP 1.03 ! LA 1.10 MK 1.10 NL 0.97 OV 1.13 ! PT 1.07 SC 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 0.94 KP 0.98 ! LA 1.05 MK 1.08 OV 0.87 PT 0.92 ! SC 0.85 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.97 HN 0.75 KP 1.02 ! LA 1.00 MK 0.99 NL 1.01 OV 1.16 ! PT 1.03 SC 0.95 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.02 HN 0.90 KP 0.92 ! LA 0.99 MK 0.93 OV 0.90 PT 0.91 ! SC 0.83 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.07 HN 0.84 KP 1.03 ! LA 1.06 MK 1.08 NL 0.84 OV 1.01 ! PT 1.03 SC 0.91 ! ! ! Fit before self-cal, rms=0.053660Jy sigma=0.448489 ! Fit after self-cal, rms=0.052814Jy sigma=0.446734 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.006 mas, bmaj=1.164 mas, bpa=11.39 degrees ! Estimated noise=0.34807 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, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00075035 Jy ! Component: 100 - total flux cleaned = 0.000814609 Jy ! Component: 150 - total flux cleaned = 0.00088497 Jy ! Component: 200 - total flux cleaned = 0.000945551 Jy ! Total flux subtracted in 200 components = 0.000945551 Jy ! Clean residual min=-0.000707 max=0.001023 Jy/beam ! Clean residual mean=0.000001 rms=0.000176 Jy/beam ! Combined flux in latest and established models = 0.0406848 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 41 components and 0.0406848 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=0.052796Jy sigma=0.446563 ! Fit after self-cal, rms=0.052812Jy sigma=0.446162 ! 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=0.052812Jy sigma=0.446162 ! Fit after self-cal, rms=0.053514Jy sigma=0.444857 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9989 mas, bmaj=1.16 mas, bpa=12.02 degrees ! Estimated noise=0.348655 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00066096 Jy ! Component: 100 - total flux cleaned = 0.00080239 Jy ! Component: 150 - total flux cleaned = 0.000831441 Jy ! Component: 200 - total flux cleaned = 0.000844732 Jy ! Total flux subtracted in 200 components = 0.000844732 Jy ! Clean residual min=-0.000632 max=0.000652 Jy/beam ! Clean residual mean=0.000000 rms=0.000160 Jy/beam ! Combined flux in latest and established models = 0.0415295 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 51 components and 0.0415295 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=0.053501Jy sigma=0.444753 ! Fit after self-cal, rms=0.053574Jy sigma=0.444434 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 = 0.000225471 Jy ! Component: 100 - total flux cleaned = 0.000240668 Jy ! Component: 150 - total flux cleaned = 0.000241216 Jy ! Component: 200 - total flux cleaned = 0.000241426 Jy ! Total flux subtracted in 200 components = 0.000241426 Jy ! Clean residual min=-0.000691 max=0.000645 Jy/beam ! Clean residual mean=0.000000 rms=0.000161 Jy/beam ! Combined flux in latest and established models = 0.0417709 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 56 components and 0.0417709 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=0.053565Jy sigma=0.444373 ! Fit after self-cal, rms=0.053566Jy sigma=0.444351 ! 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=0.053566Jy sigma=0.444351 ! Fit after self-cal, rms=0.053943Jy sigma=0.444262 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9913 mas, bmaj=1.156 mas, bpa=11.99 degrees ! Estimated noise=0.348934 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000569083 Jy ! Component: 100 - total flux cleaned = 0.000657094 Jy ! Component: 150 - total flux cleaned = 0.000682009 Jy ! Component: 200 - total flux cleaned = 0.000682458 Jy ! Total flux subtracted in 200 components = 0.000682458 Jy ! Clean residual min=-0.000653 max=0.000632 Jy/beam ! Clean residual mean=0.000000 rms=0.000157 Jy/beam ! Combined flux in latest and established models = 0.0424534 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 57 components and 0.0424534 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=0.053934Jy sigma=0.444191 ! Fit after self-cal, rms=0.053965Jy sigma=0.444129 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 = 0.000177344 Jy ! Component: 100 - total flux cleaned = 0.000177313 Jy ! Component: 150 - total flux cleaned = 0.000177913 Jy ! Component: 200 - total flux cleaned = 0.000178162 Jy ! Total flux subtracted in 200 components = 0.000178162 Jy ! Clean residual min=-0.000668 max=0.000627 Jy/beam ! Clean residual mean=0.000000 rms=0.000158 Jy/beam ! Combined flux in latest and established models = 0.0426315 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 57 components and 0.0426315 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=0.053959Jy sigma=0.444090 ! Fit after self-cal, rms=0.053958Jy sigma=0.444070 ! 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=0.053958Jy sigma=0.444070 ! Fit after self-cal, rms=0.053978Jy sigma=0.444038 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.537 mas, bmaj=2.643 mas, bpa=-5.964 degrees ! Estimated noise=0.470722 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000518284 Jy ! Component: 100 - total flux cleaned = 0.000746742 Jy ! Component: 150 - total flux cleaned = 0.000860259 Jy ! Component: 200 - total flux cleaned = 0.000873525 Jy ! Total flux subtracted in 200 components = 0.000873525 Jy ! Clean residual min=-0.000724 max=0.000742 Jy/beam ! Clean residual mean=0.000001 rms=0.000200 Jy/beam ! Combined flux in latest and established models = 0.0435051 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 66 components and 0.0435051 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=0.053976Jy sigma=0.444017 ! Fit after self-cal, rms=0.053988Jy sigma=0.443986 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 = 0.000127422 Jy ! Component: 100 - total flux cleaned = 0.000132928 Jy ! Component: 150 - total flux cleaned = 0.000125431 Jy ! Component: 200 - total flux cleaned = 0.000122134 Jy ! Total flux subtracted in 200 components = 0.000122134 Jy ! Clean residual min=-0.000712 max=0.000740 Jy/beam ! Clean residual mean=0.000001 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.0436272 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 70 components and 0.0436272 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=0.053986Jy sigma=0.443975 ! Fit after self-cal, rms=0.053988Jy sigma=0.443958 ! 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=0.9861 mas, bmaj=1.151 mas, bpa=11.87 degrees ! Estimated noise=0.348635 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9861 x 1.151 at 11.87 degrees (North through East) ! Clean map min=-0.00096784 max=0.030939 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=0.7637 mas, bmaj=0.8727 mas, bpa=22.85 degrees ! Estimated noise=0.717691 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0242797 Jy ! Component: 100 - total flux cleaned = 0.0320215 Jy ! Component: 150 - total flux cleaned = 0.0360238 Jy ! Component: 200 - total flux cleaned = 0.0385907 Jy ! Total flux subtracted in 200 components = 0.0385907 Jy ! Clean residual min=-0.001509 max=0.001573 Jy/beam ! Clean residual mean=0.000001 rms=0.000342 Jy/beam ! Combined flux in latest and established models = 0.0385907 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0385907 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9861 mas, bmaj=1.151 mas, bpa=11.87 degrees ! Estimated noise=0.348635 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 = 0.00236849 Jy ! Component: 100 - total flux cleaned = 0.00364921 Jy ! Component: 150 - total flux cleaned = 0.00440174 Jy ! Component: 200 - total flux cleaned = 0.00452939 Jy ! Total flux subtracted in 200 components = 0.00452939 Jy ! Clean residual min=-0.000632 max=0.000735 Jy/beam ! Clean residual mean=0.000001 rms=0.000162 Jy/beam ! Combined flux in latest and established models = 0.0431201 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 31 components and 0.0431201 Jy ! Inverting map ! Added new window around map position (-0.2, 1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000358915 Jy ! Component: 100 - total flux cleaned = 0.000445184 Jy ! Component: 150 - total flux cleaned = 0.000482924 Jy ! Component: 200 - total flux cleaned = 0.000517299 Jy ! Total flux subtracted in 200 components = 0.000517299 Jy ! Clean residual min=-0.000609 max=0.000612 Jy/beam ! Clean residual mean=0.000000 rms=0.000158 Jy/beam ! Combined flux in latest and established models = 0.0436374 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 38 components and 0.0436374 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=2.537 mas, bmaj=2.643 mas, bpa=-5.964 degrees ! Estimated noise=0.470722 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000210268 Jy ! Component: 100 - total flux cleaned = 0.000209378 Jy ! Component: 150 - total flux cleaned = 0.000209225 Jy ! Component: 200 - total flux cleaned = 0.000198018 Jy ! Total flux subtracted in 200 components = 0.000198018 Jy ! Clean residual min=-0.000739 max=0.000729 Jy/beam ! Clean residual mean=0.000000 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.0438354 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 = -1.02492e-05 Jy ! Component: 100 - total flux cleaned = -1.96664e-05 Jy ! Component: 150 - total flux cleaned = -1.96338e-05 Jy ! Component: 200 - total flux cleaned = -1.94678e-05 Jy ! Total flux subtracted in 200 components = -1.94678e-05 Jy ! Clean residual min=-0.000733 max=0.000723 Jy/beam ! Clean residual mean=0.000000 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.043816 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 59 components and 0.043816 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9861 mas, bmaj=1.151 mas, bpa=11.87 degrees ! Estimated noise=0.348635 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.0227e-06 Jy ! Component: 100 - total flux cleaned = -4.21828e-05 Jy ! Component: 150 - total flux cleaned = -5.56653e-05 Jy ! Component: 200 - total flux cleaned = -6.77174e-05 Jy ! Total flux subtracted in 200 components = -6.77174e-05 Jy ! Clean residual min=-0.000607 max=0.000622 Jy/beam ! Clean residual mean=0.000000 rms=0.000156 Jy/beam ! Combined flux in latest and established models = 0.0437483 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 0.0437483 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=0.053989Jy sigma=0.443974 ! Fit after self-cal, rms=0.053991Jy sigma=0.443939 wmodel J1257+8342_X_a_map.mod ! Writing 65 model components to file: J1257+8342_X_a_map.mod wobs J1257+8342_X_a_uvs.fits ! Writing UV FITS file: J1257+8342_X_a_uvs.fits wwins J1257+8342_X_a_map.win ! wwins: Wrote 4 windows to J1257+8342_X_a_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 = 0.000106885 Jy ! Component: 100 - total flux cleaned = 0.000163877 Jy ! Component: 150 - total flux cleaned = 0.000229953 Jy ! Component: 200 - total flux cleaned = 0.000219005 Jy ! Component: 250 - total flux cleaned = 0.000197851 Jy ! Component: 300 - total flux cleaned = 0.000187472 Jy ! Component: 350 - total flux cleaned = 0.000197774 Jy ! Component: 400 - total flux cleaned = 0.000217988 Jy ! Component: 450 - total flux cleaned = 0.000237977 Jy ! Component: 500 - total flux cleaned = 0.000287169 Jy ! Component: 550 - total flux cleaned = 0.000287052 Jy ! Component: 600 - total flux cleaned = 0.000315942 Jy ! Component: 650 - total flux cleaned = 0.000296631 Jy ! Component: 700 - total flux cleaned = 0.000306249 Jy ! Component: 750 - total flux cleaned = 0.000306367 Jy ! Component: 800 - total flux cleaned = 0.000343671 Jy ! Component: 850 - total flux cleaned = 0.000371368 Jy ! Component: 900 - total flux cleaned = 0.000380572 Jy ! Component: 950 - total flux cleaned = 0.000426026 Jy ! Component: 1000 - total flux cleaned = 0.000462097 Jy ! Component: 1050 - total flux cleaned = 0.000462116 Jy ! Component: 1100 - total flux cleaned = 0.000497653 Jy ! Component: 1150 - total flux cleaned = 0.000515358 Jy ! Component: 1200 - total flux cleaned = 0.000576664 Jy ! Component: 1250 - total flux cleaned = 0.0006027 Jy ! Component: 1300 - total flux cleaned = 0.000611417 Jy ! Component: 1350 - total flux cleaned = 0.0006716 Jy ! Component: 1400 - total flux cleaned = 0.00069724 Jy ! Component: 1450 - total flux cleaned = 0.00073964 Jy ! Component: 1500 - total flux cleaned = 0.000790192 Jy ! Component: 1550 - total flux cleaned = 0.000840409 Jy ! Component: 1600 - total flux cleaned = 0.000873636 Jy ! Component: 1650 - total flux cleaned = 0.000906798 Jy ! Component: 1700 - total flux cleaned = 0.000972752 Jy ! Component: 1750 - total flux cleaned = 0.00100552 Jy ! Component: 1800 - total flux cleaned = 0.00103813 Jy ! Component: 1850 - total flux cleaned = 0.00108678 Jy ! Component: 1900 - total flux cleaned = 0.00111099 Jy ! Component: 1950 - total flux cleaned = 0.00113502 Jy ! Component: 2000 - total flux cleaned = 0.00113509 Jy ! Component: 2050 - total flux cleaned = 0.00119868 Jy ! Component: 2100 - total flux cleaned = 0.00126194 Jy ! Component: 2150 - total flux cleaned = 0.00123833 Jy ! Component: 2200 - total flux cleaned = 0.00127746 Jy ! Component: 2250 - total flux cleaned = 0.00130091 Jy ! Component: 2300 - total flux cleaned = 0.00132418 Jy ! Component: 2350 - total flux cleaned = 0.00133962 Jy ! Component: 2400 - total flux cleaned = 0.00140113 Jy ! Component: 2450 - total flux cleaned = 0.00140109 Jy ! Component: 2500 - total flux cleaned = 0.00144679 Jy ! Component: 2550 - total flux cleaned = 0.00144677 Jy ! Component: 2600 - total flux cleaned = 0.00149969 Jy ! Component: 2650 - total flux cleaned = 0.00143203 Jy ! Component: 2700 - total flux cleaned = 0.00149941 Jy ! Component: 2750 - total flux cleaned = 0.00155906 Jy ! Component: 2800 - total flux cleaned = 0.00153682 Jy ! Component: 2850 - total flux cleaned = 0.00155158 Jy ! Component: 2900 - total flux cleaned = 0.00156633 Jy ! Component: 2950 - total flux cleaned = 0.00161036 Jy ! Component: 3000 - total flux cleaned = 0.00163226 Jy ! Component: 3050 - total flux cleaned = 0.00166859 Jy ! Component: 3100 - total flux cleaned = 0.00165409 Jy ! Component: 3150 - total flux cleaned = 0.001683 Jy ! Component: 3200 - total flux cleaned = 0.00170457 Jy ! Component: 3250 - total flux cleaned = 0.00171168 Jy ! Component: 3300 - total flux cleaned = 0.00172593 Jy ! Component: 3350 - total flux cleaned = 0.00174014 Jy ! Component: 3400 - total flux cleaned = 0.00176134 Jy ! Component: 3450 - total flux cleaned = 0.00175427 Jy ! Component: 3500 - total flux cleaned = 0.0017473 Jy ! Component: 3550 - total flux cleaned = 0.00177532 Jy ! Component: 3600 - total flux cleaned = 0.00178924 Jy ! Component: 3650 - total flux cleaned = 0.00182402 Jy ! Component: 3700 - total flux cleaned = 0.00181019 Jy ! Component: 3750 - total flux cleaned = 0.0018102 Jy ! Component: 3800 - total flux cleaned = 0.00185831 Jy ! Component: 3850 - total flux cleaned = 0.00185149 Jy ! Component: 3900 - total flux cleaned = 0.00189241 Jy ! Component: 3950 - total flux cleaned = 0.00191961 Jy ! Component: 4000 - total flux cleaned = 0.00193318 Jy ! Component: 4050 - total flux cleaned = 0.00193992 Jy ! Total flux subtracted in 4096 components = 0.00196012 Jy ! Clean residual min=-0.000393 max=0.000443 Jy/beam ! Clean residual mean=0.000000 rms=0.000115 Jy/beam ! Combined flux in latest and established models = 0.0457084 Jy keep ! Adding 367 model components to the UV plane model. ! The established model now contains 432 components and 0.0457084 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uvm//J1257+8342_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9861 x 1.151 at 11.87 degrees (North through East) ! Clean map min=-0.00075766 max=0.03027 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uvm//J1257+8342_X_a_map.fits wmodel /image_prod/ug002_uvm//J1257+8342_X_a_map.mod ! Writing 432 model components to file: /image_prod/ug002_uvm//J1257+8342_X_a_map.mod wobs /image_prod/ug002_uvm//J1257+8342_X_a_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uvm//J1257+8342_X_a_uvs.fits wwins /image_prod/ug002_uvm//J1257+8342_X_a_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uvm//J1257+8342_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0302703 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000114909 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.13883 1.13883 2.27765 4.5553 9.1106 18.2212 36.4424 72.8848 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.03 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 263.429 quit ! Quitting program ! Log file /image_prod/ug002_uvm//J1257+8342_X_a_dfm.log closed on Wed Mar 4 17:09:59 2020