! Started logfile: /image_prod/ug002_uva//J2251+4030_X_dfm.log on Thu Mar 5 05:55:02 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//J2251+4030_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2251+4030_X_uva.fits ! AN table 1: 45 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.847531 visibilities/baseline/integration-bin. ! Found source: J2251+4030 ! ! 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 16476 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 J2251+4030_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 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004165Jy sigma=9.492914 ! Fit after self-cal, rms=0.946994Jy sigma=8.951744 ! 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=0.8029 mas, bmaj=1.563 mas, bpa=-24.24 degrees ! Estimated noise=1.18587 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 = 0.0407975 Jy ! Component: 100 - total flux cleaned = 0.0498898 Jy ! Total flux subtracted in 100 components = 0.0498898 Jy ! Clean residual min=-0.003614 max=0.004097 Jy/beam ! Clean residual mean=0.000000 rms=0.000823 Jy/beam ! Combined flux in latest and established models = 0.0498898 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0498898 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=0.057229Jy sigma=0.501319 ! Fit after self-cal, rms=0.055989Jy sigma=0.490345 ! 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=1.043 mas, bmaj=1.828 mas, bpa=-22.74 degrees ! Estimated noise=0.592936 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 = 0.00543904 Jy ! Component: 100 - total flux cleaned = 0.00761101 Jy ! Component: 150 - total flux cleaned = 0.00867178 Jy ! Component: 200 - total flux cleaned = 0.00904072 Jy ! Total flux subtracted in 200 components = 0.00904072 Jy ! Clean residual min=-0.002585 max=0.003210 Jy/beam ! Clean residual mean=-0.000004 rms=0.000553 Jy/beam ! Combined flux in latest and established models = 0.0589305 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 24 components and 0.0589305 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=0.055507Jy sigma=0.485743 ! Fit after self-cal, rms=0.055521Jy sigma=0.485660 ! Inverting map ! Added new window around map position (-1.6, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0024663 Jy ! Component: 100 - total flux cleaned = 0.00269025 Jy ! Component: 150 - total flux cleaned = 0.00242085 Jy ! Component: 200 - total flux cleaned = 0.00232819 Jy ! Total flux subtracted in 200 components = 0.00232819 Jy ! Clean residual min=-0.002380 max=0.002590 Jy/beam ! Clean residual mean=-0.000003 rms=0.000497 Jy/beam ! Combined flux in latest and established models = 0.0612587 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 40 components and 0.0612587 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=0.055358Jy sigma=0.483749 ! Fit after self-cal, rms=0.055325Jy sigma=0.483559 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.043 x 1.828 at -22.74 degrees (North through East) ! Clean map min=-0.0022856 max=0.055813 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 0.97 KP 1.05 ! LA 1.03 MK 1.06 NL 1.22 OV 0.94 ! PT 0.90 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 HN 0.94 KP 1.02 ! LA 1.00 MK 1.02 NL 1.19 OV 0.90 ! PT 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.93 HN 0.89 KP 1.08 ! LA 0.99 MK 1.04 NL 1.23 OV 0.94 ! PT 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HN 0.85 KP 1.05 ! LA 1.01 MK 1.08 NL 1.19 OV 0.93 ! PT 0.86 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.04 HN 0.88 KP 1.04 ! LA 1.06 MK 1.09 NL 1.16 OV 0.93 ! PT 0.84 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.96 HN 0.92 KP 1.03 ! LA 1.03 MK 1.13 NL 1.18 OV 0.96 ! PT 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 HN 0.89 KP 1.05 ! LA 0.97 MK 1.04 NL 1.20 OV 0.93 ! PT 0.87 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 0.81 KP 1.05 ! LA 1.01 MK 1.09 NL 1.17 OV 0.92 ! PT 0.94 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.94 HN 0.86 KP 1.12 ! LA 1.06 MK 1.14 NL 1.09 OV 0.90 ! PT 0.85 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.99 HN 0.91 KP 1.07 ! LA 1.03 MK 1.04 NL 1.17 OV 0.90 ! PT 0.91 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.97 HN 0.80 KP 1.03 ! LA 1.04 MK 0.97 NL 1.22 OV 0.95 ! PT 0.89 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.99 HN 0.86 KP 0.96 ! LA 1.02 MK 0.93 NL 1.18 OV 0.92 ! PT 0.89 ! ! ! Fit before self-cal, rms=0.055325Jy sigma=0.483559 ! Fit after self-cal, rms=0.053407Jy sigma=0.479092 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.047 mas, bmaj=1.817 mas, bpa=-22.71 degrees ! Estimated noise=0.59142 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 = 0.000398889 Jy ! Component: 100 - total flux cleaned = 0.000374152 Jy ! Component: 150 - total flux cleaned = 0.000349979 Jy ! Component: 200 - total flux cleaned = 0.000349496 Jy ! Total flux subtracted in 200 components = 0.000349496 Jy ! Clean residual min=-0.001785 max=0.001380 Jy/beam ! Clean residual mean=-0.000001 rms=0.000340 Jy/beam ! Combined flux in latest and established models = 0.0616082 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 56 components and 0.0616082 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=0.053380Jy sigma=0.478847 ! Fit after self-cal, rms=0.053418Jy sigma=0.478515 ! 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=0.053418Jy sigma=0.478515 ! Fit after self-cal, rms=0.054764Jy sigma=0.476185 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.043 mas, bmaj=1.822 mas, bpa=-23.07 degrees ! Estimated noise=0.593893 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000340007 Jy ! Component: 100 - total flux cleaned = -0.000259431 Jy ! Component: 150 - total flux cleaned = -0.000223966 Jy ! Component: 200 - total flux cleaned = -0.000195503 Jy ! Total flux subtracted in 200 components = -0.000195503 Jy ! Clean residual min=-0.001463 max=0.001359 Jy/beam ! Clean residual mean=-0.000002 rms=0.000288 Jy/beam ! Combined flux in latest and established models = 0.0614127 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 72 components and 0.0614127 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=0.054752Jy sigma=0.476047 ! Fit after self-cal, rms=0.054824Jy sigma=0.475879 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 = -9.7391e-05 Jy ! Component: 100 - total flux cleaned = -7.57369e-05 Jy ! Component: 150 - total flux cleaned = -8.53852e-05 Jy ! Component: 200 - total flux cleaned = -8.55184e-05 Jy ! Total flux subtracted in 200 components = -8.55184e-05 Jy ! Clean residual min=-0.001496 max=0.001369 Jy/beam ! Clean residual mean=-0.000002 rms=0.000288 Jy/beam ! Combined flux in latest and established models = 0.0613272 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 83 components and 0.0613272 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=0.054820Jy sigma=0.475841 ! Fit after self-cal, rms=0.054819Jy sigma=0.475837 ! 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=0.054819Jy sigma=0.475837 ! Fit after self-cal, rms=0.055092Jy sigma=0.475778 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.041 mas, bmaj=1.822 mas, bpa=-23.04 degrees ! Estimated noise=0.593955 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.13196e-05 Jy ! Component: 100 - total flux cleaned = -6.41417e-05 Jy ! Component: 150 - total flux cleaned = -6.40026e-05 Jy ! Component: 200 - total flux cleaned = -8.47905e-05 Jy ! Total flux subtracted in 200 components = -8.47905e-05 Jy ! Clean residual min=-0.001419 max=0.001349 Jy/beam ! Clean residual mean=-0.000002 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.0612424 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 87 components and 0.0612424 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=0.055087Jy sigma=0.475718 ! Fit after self-cal, rms=0.055099Jy sigma=0.475709 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.98005e-05 Jy ! Component: 100 - total flux cleaned = -9.84727e-05 Jy ! Component: 150 - total flux cleaned = -0.000114598 Jy ! Component: 200 - total flux cleaned = -0.000114506 Jy ! Total flux subtracted in 200 components = -0.000114506 Jy ! Clean residual min=-0.001424 max=0.001348 Jy/beam ! Clean residual mean=-0.000002 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.0611279 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 94 components and 0.0611279 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=0.055097Jy sigma=0.475684 ! Fit after self-cal, rms=0.055096Jy sigma=0.475682 ! 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=0.055096Jy sigma=0.475682 ! Fit after self-cal, rms=0.055177Jy sigma=0.475664 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.276 mas, bmaj=2.479 mas, bpa=-9.089 degrees ! Estimated noise=0.710917 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.0854e-05 Jy ! Component: 100 - total flux cleaned = -6.75619e-05 Jy ! Component: 150 - total flux cleaned = -0.000148983 Jy ! Component: 200 - total flux cleaned = -0.000175564 Jy ! Total flux subtracted in 200 components = -0.000175564 Jy ! Clean residual min=-0.001665 max=0.001413 Jy/beam ! Clean residual mean=-0.000005 rms=0.000348 Jy/beam ! Combined flux in latest and established models = 0.0609523 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 101 components and 0.0609523 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=0.055176Jy sigma=0.475648 ! Fit after self-cal, rms=0.055182Jy sigma=0.475634 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 = -4.80338e-05 Jy ! Component: 100 - total flux cleaned = -0.000142623 Jy ! Component: 150 - total flux cleaned = -0.000192791 Jy ! Component: 200 - total flux cleaned = -0.000208998 Jy ! Total flux subtracted in 200 components = -0.000208998 Jy ! Clean residual min=-0.001654 max=0.001420 Jy/beam ! Clean residual mean=-0.000005 rms=0.000347 Jy/beam ! Combined flux in latest and established models = 0.0607433 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 104 components and 0.0607433 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=0.055181Jy sigma=0.475627 ! Fit after self-cal, rms=0.055181Jy sigma=0.475621 ! 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=1.039 mas, bmaj=1.822 mas, bpa=-23.04 degrees ! Estimated noise=0.593985 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.039 x 1.822 at -23.04 degrees (North through East) ! Clean map min=-0.0012732 max=0.055764 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=0.8036 mas, bmaj=1.561 mas, bpa=-24.35 degrees ! Estimated noise=1.19775 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0423671 Jy ! Component: 100 - total flux cleaned = 0.0520157 Jy ! Component: 150 - total flux cleaned = 0.0553415 Jy ! Component: 200 - total flux cleaned = 0.0569819 Jy ! Total flux subtracted in 200 components = 0.0569819 Jy ! Clean residual min=-0.002759 max=0.002700 Jy/beam ! Clean residual mean=-0.000001 rms=0.000622 Jy/beam ! Combined flux in latest and established models = 0.0569819 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.0569819 Jy ! Inverting map and beam ! Estimated beam: bmin=1.039 mas, bmaj=1.822 mas, bpa=-23.04 degrees ! Estimated noise=0.593985 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) ! Added new window around map position (1, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00231308 Jy ! Component: 100 - total flux cleaned = 0.00342711 Jy ! Component: 150 - total flux cleaned = 0.00401585 Jy ! Component: 200 - total flux cleaned = 0.00449691 Jy ! Total flux subtracted in 200 components = 0.00449691 Jy ! Clean residual min=-0.001475 max=0.001198 Jy/beam ! Clean residual mean=-0.000002 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.0614788 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 45 components and 0.0614788 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=2.276 mas, bmaj=2.479 mas, bpa=-9.089 degrees ! Estimated noise=0.710917 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000435501 Jy ! Component: 100 - total flux cleaned = 0.000776824 Jy ! Component: 150 - total flux cleaned = 0.00092402 Jy ! Component: 200 - total flux cleaned = 0.000999511 Jy ! Total flux subtracted in 200 components = 0.000999511 Jy ! Clean residual min=-0.001519 max=0.001223 Jy/beam ! Clean residual mean=-0.000003 rms=0.000332 Jy/beam ! Combined flux in latest and established models = 0.0624783 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 = 2.49595e-05 Jy ! Component: 100 - total flux cleaned = 4.66456e-05 Jy ! Component: 150 - total flux cleaned = 7.38611e-05 Jy ! Component: 200 - total flux cleaned = 8.9574e-05 Jy ! Total flux subtracted in 200 components = 8.9574e-05 Jy ! Clean residual min=-0.001484 max=0.001203 Jy/beam ! Clean residual mean=-0.000003 rms=0.000328 Jy/beam ! Combined flux in latest and established models = 0.0625679 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 85 components and 0.0625679 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.039 mas, bmaj=1.822 mas, bpa=-23.04 degrees ! Estimated noise=0.593985 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.37448e-05 Jy ! Component: 100 - total flux cleaned = 2.71196e-05 Jy ! Component: 150 - total flux cleaned = 2.6756e-05 Jy ! Component: 200 - total flux cleaned = 5.0187e-05 Jy ! Total flux subtracted in 200 components = 5.0187e-05 Jy ! Clean residual min=-0.001302 max=0.001169 Jy/beam ! Clean residual mean=-0.000002 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.0626181 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 98 components and 0.0626181 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=0.055171Jy sigma=0.475479 ! Fit after self-cal, rms=0.055162Jy sigma=0.475423 wmodel J2251+4030_X_map.mod ! Writing 98 model components to file: J2251+4030_X_map.mod wobs J2251+4030_X_uvs.fits ! Writing UV FITS file: J2251+4030_X_uvs.fits wwins J2251+4030_X_map.win ! wwins: Wrote 3 windows to J2251+4030_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 = -7.3518e-05 Jy ! Component: 100 - total flux cleaned = -0.000193523 Jy ! Component: 150 - total flux cleaned = -0.00026988 Jy ! Component: 200 - total flux cleaned = -0.000341816 Jy ! Component: 250 - total flux cleaned = -0.000447065 Jy ! Component: 300 - total flux cleaned = -0.000549163 Jy ! Component: 350 - total flux cleaned = -0.000598671 Jy ! Component: 400 - total flux cleaned = -0.000663255 Jy ! Component: 450 - total flux cleaned = -0.000662879 Jy ! Component: 500 - total flux cleaned = -0.000693475 Jy ! Component: 550 - total flux cleaned = -0.000662457 Jy ! Component: 600 - total flux cleaned = -0.000662171 Jy ! Component: 650 - total flux cleaned = -0.000632349 Jy ! Component: 700 - total flux cleaned = -0.000603374 Jy ! Component: 750 - total flux cleaned = -0.000588815 Jy ! Component: 800 - total flux cleaned = -0.000532749 Jy ! Component: 850 - total flux cleaned = -0.000519149 Jy ! Component: 900 - total flux cleaned = -0.000545998 Jy ! Component: 950 - total flux cleaned = -0.000532616 Jy ! Component: 1000 - total flux cleaned = -0.000558726 Jy ! Component: 1050 - total flux cleaned = -0.00054574 Jy ! Component: 1100 - total flux cleaned = -0.000532924 Jy ! Component: 1150 - total flux cleaned = -0.00053291 Jy ! Component: 1200 - total flux cleaned = -0.000532876 Jy ! Component: 1250 - total flux cleaned = -0.000557262 Jy ! Component: 1300 - total flux cleaned = -0.000544913 Jy ! Component: 1350 - total flux cleaned = -0.000533008 Jy ! Component: 1400 - total flux cleaned = -0.000545268 Jy ! Component: 1450 - total flux cleaned = -0.000627169 Jy ! Component: 1500 - total flux cleaned = -0.000638746 Jy ! Component: 1550 - total flux cleaned = -0.000661586 Jy ! Component: 1600 - total flux cleaned = -0.000706756 Jy ! Component: 1650 - total flux cleaned = -0.000695496 Jy ! Component: 1700 - total flux cleaned = -0.000717897 Jy ! Component: 1750 - total flux cleaned = -0.000706822 Jy ! Component: 1800 - total flux cleaned = -0.000728703 Jy ! Component: 1850 - total flux cleaned = -0.000750169 Jy ! Component: 1900 - total flux cleaned = -0.000750131 Jy ! Component: 1950 - total flux cleaned = -0.000729159 Jy ! Component: 2000 - total flux cleaned = -0.000760688 Jy ! Component: 2050 - total flux cleaned = -0.000791814 Jy ! Component: 2100 - total flux cleaned = -0.000771194 Jy ! Component: 2150 - total flux cleaned = -0.000771188 Jy ! Component: 2200 - total flux cleaned = -0.000781319 Jy ! Component: 2250 - total flux cleaned = -0.000801541 Jy ! Component: 2300 - total flux cleaned = -0.00082157 Jy ! Component: 2350 - total flux cleaned = -0.00083149 Jy ! Component: 2400 - total flux cleaned = -0.00085104 Jy ! Component: 2450 - total flux cleaned = -0.000850947 Jy ! Component: 2500 - total flux cleaned = -0.000831511 Jy ! Component: 2550 - total flux cleaned = -0.000860387 Jy ! Component: 2600 - total flux cleaned = -0.000869959 Jy ! Component: 2650 - total flux cleaned = -0.000907627 Jy ! Component: 2700 - total flux cleaned = -0.000917063 Jy ! Component: 2750 - total flux cleaned = -0.000963515 Jy ! Component: 2800 - total flux cleaned = -0.000954167 Jy ! Component: 2850 - total flux cleaned = -0.00091752 Jy ! Component: 2900 - total flux cleaned = -0.000962891 Jy ! Component: 2950 - total flux cleaned = -0.000944936 Jy ! Component: 3000 - total flux cleaned = -0.000980763 Jy ! Component: 3050 - total flux cleaned = -0.000998651 Jy ! Component: 3100 - total flux cleaned = -0.00100747 Jy ! Component: 3150 - total flux cleaned = -0.00106014 Jy ! Component: 3200 - total flux cleaned = -0.00106025 Jy ! Component: 3250 - total flux cleaned = -0.00106885 Jy ! Component: 3300 - total flux cleaned = -0.00106022 Jy ! Component: 3350 - total flux cleaned = -0.0010773 Jy ! Component: 3400 - total flux cleaned = -0.00112839 Jy ! Component: 3450 - total flux cleaned = -0.0011453 Jy ! Component: 3500 - total flux cleaned = -0.00117045 Jy ! Component: 3550 - total flux cleaned = -0.00117039 Jy ! Component: 3600 - total flux cleaned = -0.00119523 Jy ! Component: 3650 - total flux cleaned = -0.00118701 Jy ! Component: 3700 - total flux cleaned = -0.00120342 Jy ! Component: 3750 - total flux cleaned = -0.0012116 Jy ! Component: 3800 - total flux cleaned = -0.00123582 Jy ! Component: 3850 - total flux cleaned = -0.00123588 Jy ! Component: 3900 - total flux cleaned = -0.00121989 Jy ! Component: 3950 - total flux cleaned = -0.00124377 Jy ! Component: 4000 - total flux cleaned = -0.00126756 Jy ! Component: 4050 - total flux cleaned = -0.00127547 Jy ! Total flux subtracted in 4096 components = -0.00130674 Jy ! Clean residual min=-0.000463 max=0.000455 Jy/beam ! Clean residual mean=-0.000001 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.0613113 Jy keep ! Adding 306 model components to the UV plane model. ! The established model now contains 404 components and 0.0613113 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2251+4030_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.039 x 1.822 at -23.04 degrees (North through East) ! Clean map min=-0.0010107 max=0.055749 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2251+4030_X_map.fits wmodel /image_prod/ug002_uva//J2251+4030_X_map.mod ! Writing 404 model components to file: /image_prod/ug002_uva//J2251+4030_X_map.mod wobs /image_prod/ug002_uva//J2251+4030_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2251+4030_X_uvs.fits wwins /image_prod/ug002_uva//J2251+4030_X_map.win ! wwins: Wrote 4 windows to /image_prod/ug002_uva//J2251+4030_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0557488 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00013259 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.713504 0.713504 1.42701 2.85402 5.70803 11.4161 22.8321 45.6643 91.3285 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.055 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 420.46 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2251+4030_X_dfm.log closed on Thu Mar 5 05:55:06 2020