! Started logfile: /image_prod/ug002_uva//J1844+0137_X_b_dfm.log on Thu Mar 5 03:53:43 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//J1844+0137_X_b_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1844+0137_X_b_uva.fits ! AN table 1: 113 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.831858 visibilities/baseline/integration-bin. ! Found source: J1844+0137 ! ! 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 31584 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 J1844+0137_X_b] 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 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001830Jy sigma=10.113920 ! Fit after self-cal, rms=0.973149Jy sigma=9.814780 ! 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=1.111 mas, bmaj=3.108 mas, bpa=23.27 degrees ! Estimated noise=0.853884 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 = 0.0237593 Jy ! Component: 100 - total flux cleaned = 0.0237218 Jy ! Total flux subtracted in 100 components = 0.0237218 Jy ! Clean residual min=-0.005140 max=0.003682 Jy/beam ! Clean residual mean=-0.000001 rms=0.000908 Jy/beam ! Combined flux in latest and established models = 0.0237218 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0237218 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=0.050546Jy sigma=0.497862 ! Fit after self-cal, rms=0.049014Jy sigma=0.481541 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00146276 Jy ! Component: 100 - total flux cleaned = 0.0018111 Jy ! Total flux subtracted in 100 components = 0.0018111 Jy ! Clean residual min=-0.003743 max=0.002915 Jy/beam ! Clean residual mean=-0.000001 rms=0.000770 Jy/beam ! Combined flux in latest and established models = 0.0255329 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 13 components and 0.0255329 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=0.048419Jy sigma=0.474632 ! Fit after self-cal, rms=0.048391Jy sigma=0.473750 ! 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=1.591 mas, bmaj=3.499 mas, bpa=22.03 degrees ! Estimated noise=0.398788 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 = -0.00371259 Jy ! Component: 100 - total flux cleaned = -0.00420874 Jy ! Component: 150 - total flux cleaned = -0.00437058 Jy ! Component: 200 - total flux cleaned = -0.00456575 Jy ! Total flux subtracted in 200 components = -0.00456575 Jy ! Clean residual min=-0.002626 max=0.002459 Jy/beam ! Clean residual mean=-0.000001 rms=0.000557 Jy/beam ! Combined flux in latest and established models = 0.0209671 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 21 components and 0.0209671 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=0.048014Jy sigma=0.469942 ! Fit after self-cal, rms=0.047929Jy sigma=0.468429 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.591 x 3.499 at 22.03 degrees (North through East) ! Clean map min=-0.006264 max=0.030499 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.03 KP 1.20 LA 1.12 ! NL 0.79 OV 1.17 PT 1.02 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.06 KP 1.21 LA 1.09 ! NL 0.81 OV 1.14 PT 1.06 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.12 KP 1.18 LA 1.11 ! NL 0.80 OV 1.16 PT 1.01 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.94 KP 1.25 LA 1.10 ! NL 0.78 OV 1.22 PT 1.16 SC 0.91 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.27 KP 1.23 LA 1.17 ! NL 0.70 OV 1.25 PT 1.12 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.26 KP 1.17 LA 1.10 ! NL 0.70 OV 1.30 PT 1.21 SC 0.82 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.06 KP 1.24 LA 1.04 ! NL 0.75 OV 1.18 PT 1.08 SC 0.87 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.94 KP 1.19 LA 1.11 ! NL 0.75 OV 1.16 PT 1.12 SC 0.84 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 KP 1.21 LA 1.17 ! NL 0.73 OV 1.07 PT 1.16 SC 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.03 KP 1.20 LA 1.10 ! NL 0.63 OV 1.28 PT 1.12 SC 0.92 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 1.09 KP 1.16 LA 1.08 ! NL 0.70 OV 1.14 PT 1.08 SC 0.82 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.98 KP 1.23 LA 1.08 ! NL 0.70 OV 1.14 PT 0.98 SC 0.89 ! ! ! Fit before self-cal, rms=0.047929Jy sigma=0.468429 ! Fit after self-cal, rms=0.049361Jy sigma=0.462594 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.519 mas, bmaj=3.264 mas, bpa=21.02 degrees ! Estimated noise=0.41455 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 = 0.0016582 Jy ! Component: 100 - total flux cleaned = 0.00256205 Jy ! Component: 150 - total flux cleaned = 0.00316853 Jy ! Component: 200 - total flux cleaned = 0.00340625 Jy ! Total flux subtracted in 200 components = 0.00340625 Jy ! Clean residual min=-0.001925 max=0.002170 Jy/beam ! Clean residual mean=-0.000000 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.0243734 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 32 components and 0.0243734 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=0.049310Jy sigma=0.461970 ! Fit after self-cal, rms=0.050080Jy sigma=0.458758 ! 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=0.050080Jy sigma=0.458758 ! Fit after self-cal, rms=0.060843Jy sigma=0.455324 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.488 mas, bmaj=3.116 mas, bpa=20.28 degrees ! Estimated noise=0.447998 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00128687 Jy ! Component: 100 - total flux cleaned = 0.0020431 Jy ! Component: 150 - total flux cleaned = 0.00253867 Jy ! Component: 200 - total flux cleaned = 0.00275311 Jy ! Total flux subtracted in 200 components = 0.00275311 Jy ! Clean residual min=-0.001448 max=0.001960 Jy/beam ! Clean residual mean=-0.000000 rms=0.000388 Jy/beam ! Combined flux in latest and established models = 0.0271265 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 37 components and 0.0271265 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=0.060812Jy sigma=0.455023 ! Fit after self-cal, rms=0.061933Jy sigma=0.453027 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 = -0.00197783 Jy ! Component: 100 - total flux cleaned = -0.00307276 Jy ! Component: 150 - total flux cleaned = -0.00321794 Jy ! Component: 200 - total flux cleaned = -0.00333826 Jy ! Total flux subtracted in 200 components = -0.00333826 Jy ! Clean residual min=-0.001851 max=0.001867 Jy/beam ! Clean residual mean=-0.000001 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.0237882 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 50 components and 0.0237882 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=0.061817Jy sigma=0.452605 ! Fit after self-cal, rms=0.062169Jy sigma=0.452363 ! 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=0.062169Jy sigma=0.452363 ! Fit after self-cal, rms=0.082689Jy sigma=0.450836 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.508 mas, bmaj=3.013 mas, bpa=19.01 degrees ! Estimated noise=0.48599 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00104066 Jy ! Component: 100 - total flux cleaned = 0.00172197 Jy ! Component: 150 - total flux cleaned = 0.00221577 Jy ! Component: 200 - total flux cleaned = 0.00242985 Jy ! Total flux subtracted in 200 components = 0.00242985 Jy ! Clean residual min=-0.001289 max=0.001694 Jy/beam ! Clean residual mean=-0.000000 rms=0.000367 Jy/beam ! Combined flux in latest and established models = 0.0262181 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 56 components and 0.0262181 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=0.082669Jy sigma=0.450684 ! Fit after self-cal, rms=0.083510Jy sigma=0.449784 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 = -0.00136016 Jy ! Component: 100 - total flux cleaned = -0.00222666 Jy ! Component: 150 - total flux cleaned = -0.00246303 Jy ! Component: 200 - total flux cleaned = -0.00258716 Jy ! Total flux subtracted in 200 components = -0.00258716 Jy ! Clean residual min=-0.001527 max=0.001679 Jy/beam ! Clean residual mean=-0.000000 rms=0.000373 Jy/beam ! Combined flux in latest and established models = 0.0236309 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 58 components and 0.0236309 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=0.083455Jy sigma=0.449670 ! Fit after self-cal, rms=0.083658Jy sigma=0.449575 ! 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=0.083658Jy sigma=0.449575 ! Fit after self-cal, rms=0.110397Jy sigma=0.448991 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.252 mas, bmaj=3.303 mas, bpa=-2.008 degrees ! Estimated noise=0.60722 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000979961 Jy ! Component: 100 - total flux cleaned = 0.00157993 Jy ! Component: 150 - total flux cleaned = 0.00197441 Jy ! Component: 200 - total flux cleaned = 0.00223796 Jy ! Total flux subtracted in 200 components = 0.00223796 Jy ! Clean residual min=-0.001535 max=0.001831 Jy/beam ! Clean residual mean=0.000000 rms=0.000465 Jy/beam ! Combined flux in latest and established models = 0.0258689 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 71 components and 0.0258689 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=0.110385Jy sigma=0.448935 ! Fit after self-cal, rms=0.110905Jy sigma=0.448559 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 = -0.00112038 Jy ! Component: 100 - total flux cleaned = -0.00170258 Jy ! Component: 150 - total flux cleaned = -0.00189635 Jy ! Component: 200 - total flux cleaned = -0.00197957 Jy ! Total flux subtracted in 200 components = -0.00197957 Jy ! Clean residual min=-0.001571 max=0.001699 Jy/beam ! Clean residual mean=-0.000000 rms=0.000453 Jy/beam ! Combined flux in latest and established models = 0.0238893 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 88 components and 0.0238893 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=0.110875Jy sigma=0.448631 ! Fit after self-cal, rms=0.110982Jy sigma=0.448588 ! 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=1.524 mas, bmaj=2.951 mas, bpa=17.84 degrees ! Estimated noise=0.516988 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.524 x 2.951 at 17.84 degrees (North through East) ! Clean map min=-0.0065445 max=0.028392 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=1.164 mas, bmaj=2.719 mas, bpa=21.59 degrees ! Estimated noise=0.980101 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.022593 Jy ! Component: 100 - total flux cleaned = 0.0237839 Jy ! Component: 150 - total flux cleaned = 0.0248878 Jy ! Component: 200 - total flux cleaned = 0.0245937 Jy ! Total flux subtracted in 200 components = 0.0245937 Jy ! Clean residual min=-0.004178 max=0.002726 Jy/beam ! Clean residual mean=-0.000001 rms=0.000778 Jy/beam ! Combined flux in latest and established models = 0.0245937 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 0.0245937 Jy ! Inverting map and beam ! Estimated beam: bmin=1.524 mas, bmaj=2.951 mas, bpa=17.84 degrees ! Estimated noise=0.516988 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 = -0.00134903 Jy ! Component: 100 - total flux cleaned = -0.00170029 Jy ! Component: 150 - total flux cleaned = -0.00184572 Jy ! Component: 200 - total flux cleaned = -0.00190222 Jy ! Total flux subtracted in 200 components = -0.00190222 Jy ! Clean residual min=-0.001901 max=0.001716 Jy/beam ! Clean residual mean=-0.000000 rms=0.000457 Jy/beam ! Combined flux in latest and established models = 0.0226915 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 33 components and 0.0226915 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=2.252 mas, bmaj=3.303 mas, bpa=-2.008 degrees ! Estimated noise=0.60722 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000354105 Jy ! Component: 100 - total flux cleaned = -0.000279552 Jy ! Component: 150 - total flux cleaned = -0.000257485 Jy ! Component: 200 - total flux cleaned = -0.000295544 Jy ! Total flux subtracted in 200 components = -0.000295544 Jy ! Clean residual min=-0.001778 max=0.001797 Jy/beam ! Clean residual mean=-0.000000 rms=0.000469 Jy/beam ! Combined flux in latest and established models = 0.0223959 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 = -3.43835e-05 Jy ! Component: 100 - total flux cleaned = -6.7261e-05 Jy ! Component: 150 - total flux cleaned = -9.67872e-05 Jy ! Component: 200 - total flux cleaned = -0.000110582 Jy ! Total flux subtracted in 200 components = -0.000110582 Jy ! Clean residual min=-0.001688 max=0.001753 Jy/beam ! Clean residual mean=-0.000000 rms=0.000463 Jy/beam ! Combined flux in latest and established models = 0.0222854 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 50 components and 0.0222854 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.524 mas, bmaj=2.951 mas, bpa=17.84 degrees ! Estimated noise=0.516988 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000236332 Jy ! Component: 100 - total flux cleaned = -0.000163581 Jy ! Component: 150 - total flux cleaned = -0.000140657 Jy ! Component: 200 - total flux cleaned = -0.000120386 Jy ! Total flux subtracted in 200 components = -0.000120386 Jy ! Clean residual min=-0.001584 max=0.001657 Jy/beam ! Clean residual mean=-0.000000 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.022165 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 58 components and 0.022165 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=0.110963Jy sigma=0.449016 ! Fit after self-cal, rms=0.111042Jy sigma=0.448964 wmodel J1844+0137_X_b_map.mod ! Writing 58 model components to file: J1844+0137_X_b_map.mod wobs J1844+0137_X_b_uvs.fits ! Writing UV FITS file: J1844+0137_X_b_uvs.fits wwins J1844+0137_X_b_map.win ! wwins: Wrote 1 windows to J1844+0137_X_b_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 = -0.000257085 Jy ! Component: 100 - total flux cleaned = -0.000151296 Jy ! Component: 150 - total flux cleaned = -3.09337e-06 Jy ! Component: 200 - total flux cleaned = -4.93238e-05 Jy ! Component: 250 - total flux cleaned = 3.79953e-05 Jy ! Component: 300 - total flux cleaned = 0.000100511 Jy ! Component: 350 - total flux cleaned = 0.00022106 Jy ! Component: 400 - total flux cleaned = 0.000259826 Jy ! Component: 450 - total flux cleaned = 0.000334151 Jy ! Component: 500 - total flux cleaned = 0.000351734 Jy ! Component: 550 - total flux cleaned = 0.000352301 Jy ! Component: 600 - total flux cleaned = 0.00042046 Jy ! Component: 650 - total flux cleaned = 0.000420336 Jy ! Component: 700 - total flux cleaned = 0.000436792 Jy ! Component: 750 - total flux cleaned = 0.00045241 Jy ! Component: 800 - total flux cleaned = 0.000436718 Jy ! Component: 850 - total flux cleaned = 0.00039199 Jy ! Component: 900 - total flux cleaned = 0.000406922 Jy ! Component: 950 - total flux cleaned = 0.000407238 Jy ! Component: 1000 - total flux cleaned = 0.000421271 Jy ! Component: 1050 - total flux cleaned = 0.000421252 Jy ! Component: 1100 - total flux cleaned = 0.000475057 Jy ! Component: 1150 - total flux cleaned = 0.000501493 Jy ! Component: 1200 - total flux cleaned = 0.000566085 Jy ! Component: 1250 - total flux cleaned = 0.000641766 Jy ! Component: 1300 - total flux cleaned = 0.000703852 Jy ! Component: 1350 - total flux cleaned = 0.000813656 Jy ! Component: 1400 - total flux cleaned = 0.000861423 Jy ! Component: 1450 - total flux cleaned = 0.000920363 Jy ! Component: 1500 - total flux cleaned = 0.000955312 Jy ! Component: 1550 - total flux cleaned = 0.00100093 Jy ! Component: 1600 - total flux cleaned = 0.00102362 Jy ! Component: 1650 - total flux cleaned = 0.00105701 Jy ! Component: 1700 - total flux cleaned = 0.0011335 Jy ! Component: 1750 - total flux cleaned = 0.00112286 Jy ! Component: 1800 - total flux cleaned = 0.00115489 Jy ! Component: 1850 - total flux cleaned = 0.00118629 Jy ! Component: 1900 - total flux cleaned = 0.00121736 Jy ! Component: 1950 - total flux cleaned = 0.00125826 Jy ! Component: 2000 - total flux cleaned = 0.00127829 Jy ! Component: 2050 - total flux cleaned = 0.00130815 Jy ! Component: 2100 - total flux cleaned = 0.00133752 Jy ! Component: 2150 - total flux cleaned = 0.0013568 Jy ! Component: 2200 - total flux cleaned = 0.0013663 Jy ! Component: 2250 - total flux cleaned = 0.00138519 Jy ! Component: 2300 - total flux cleaned = 0.00142254 Jy ! Component: 2350 - total flux cleaned = 0.00144094 Jy ! Component: 2400 - total flux cleaned = 0.00144089 Jy ! Component: 2450 - total flux cleaned = 0.00146813 Jy ! Component: 2500 - total flux cleaned = 0.00151281 Jy ! Component: 2550 - total flux cleaned = 0.00152174 Jy ! Component: 2600 - total flux cleaned = 0.00154798 Jy ! Component: 2650 - total flux cleaned = 0.00159981 Jy ! Component: 2700 - total flux cleaned = 0.0016169 Jy ! Component: 2750 - total flux cleaned = 0.0016844 Jy ! Component: 2800 - total flux cleaned = 0.00169264 Jy ! Component: 2850 - total flux cleaned = 0.00173398 Jy ! Component: 2900 - total flux cleaned = 0.00175045 Jy ! Component: 2950 - total flux cleaned = 0.00178291 Jy ! Component: 3000 - total flux cleaned = 0.00183897 Jy ! Component: 3050 - total flux cleaned = 0.00184693 Jy ! Component: 3100 - total flux cleaned = 0.00189407 Jy ! Component: 3150 - total flux cleaned = 0.00190159 Jy ! Component: 3200 - total flux cleaned = 0.00190926 Jy ! Component: 3250 - total flux cleaned = 0.00196261 Jy ! Component: 3300 - total flux cleaned = 0.00198523 Jy ! Component: 3350 - total flux cleaned = 0.00200757 Jy ! Component: 3400 - total flux cleaned = 0.00203728 Jy ! Component: 3450 - total flux cleaned = 0.00208133 Jy ! Component: 3500 - total flux cleaned = 0.00211043 Jy ! Component: 3550 - total flux cleaned = 0.00211766 Jy ! Component: 3600 - total flux cleaned = 0.00215348 Jy ! Component: 3650 - total flux cleaned = 0.00217469 Jy ! Component: 3700 - total flux cleaned = 0.00222391 Jy ! Component: 3750 - total flux cleaned = 0.00224489 Jy ! Component: 3800 - total flux cleaned = 0.00227942 Jy ! Component: 3850 - total flux cleaned = 0.00228627 Jy ! Component: 3900 - total flux cleaned = 0.00231344 Jy ! Component: 3950 - total flux cleaned = 0.00235382 Jy ! Component: 4000 - total flux cleaned = 0.00235377 Jy ! Component: 4050 - total flux cleaned = 0.00239355 Jy ! Total flux subtracted in 4096 components = 0.00238697 Jy ! Clean residual min=-0.000394 max=0.000374 Jy/beam ! Clean residual mean=-0.000000 rms=0.000129 Jy/beam ! Combined flux in latest and established models = 0.0245519 Jy keep ! Adding 342 model components to the UV plane model. ! The established model now contains 400 components and 0.0245519 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1844+0137_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.524 x 2.951 at 17.84 degrees (North through East) ! Clean map min=-0.0060405 max=0.027192 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1844+0137_X_b_map.fits wmodel /image_prod/ug002_uva//J1844+0137_X_b_map.mod ! Writing 400 model components to file: /image_prod/ug002_uva//J1844+0137_X_b_map.mod wobs /image_prod/ug002_uva//J1844+0137_X_b_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1844+0137_X_b_uvs.fits wwins /image_prod/ug002_uva//J1844+0137_X_b_map.win ! wwins: Wrote 2 windows to /image_prod/ug002_uva//J1844+0137_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0271916 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000127308 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.40457 1.40457 2.80913 5.61827 11.2365 22.4731 44.9461 89.8923 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.027 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 213.589 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1844+0137_X_b_dfm.log closed on Thu Mar 5 03:53:48 2020