! Started logfile: /vlbi/uf001/uva//J2248-0541_X_dfm.log on Mon Jan 14 06:24:32 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J2248-0541_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2248-0541_X_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.992848 visibilities/baseline/integration-bin. ! Found source: J2248-0541 ! ! 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 46644 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 J2248-0541_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=1.005002Jy sigma=23.540177 ! Fit after self-cal, rms=0.927941Jy sigma=21.710982 ! 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=0.6676 mas, bmaj=1.678 mas, bpa=-2.666 degrees ! Estimated noise=0.256048 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 = 0.0530742 Jy ! Component: 100 - total flux cleaned = 0.0707543 Jy ! Total flux subtracted in 100 components = 0.0707543 Jy ! Clean residual min=-0.003486 max=0.007247 Jy/beam ! Clean residual mean=-0.000001 rms=0.000696 Jy/beam ! Combined flux in latest and established models = 0.0707543 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0707543 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=0.059092Jy sigma=1.323525 ! Fit after self-cal, rms=0.058560Jy sigma=1.310894 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00827837 Jy ! Component: 100 - total flux cleaned = 0.0127263 Jy ! Total flux subtracted in 100 components = 0.0127263 Jy ! Clean residual min=-0.002978 max=0.003358 Jy/beam ! Clean residual mean=-0.000002 rms=0.000532 Jy/beam ! Combined flux in latest and established models = 0.0834806 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 16 components and 0.0834806 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=0.056824Jy sigma=1.268694 ! Fit after self-cal, rms=0.056809Jy sigma=1.268310 ! Inverting map ! Added new window around map position (1, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00339945 Jy ! Component: 100 - total flux cleaned = 0.00561044 Jy ! Total flux subtracted in 100 components = 0.00561044 Jy ! Clean residual min=-0.002535 max=0.003072 Jy/beam ! Clean residual mean=-0.000002 rms=0.000502 Jy/beam ! Combined flux in latest and established models = 0.0890911 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 23 components and 0.0890911 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=0.056462Jy sigma=1.260632 ! Fit after self-cal, rms=0.056453Jy sigma=1.260214 ! Inverting map ! Added new window around map position (-2.4, 5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00316916 Jy ! Component: 100 - total flux cleaned = 0.0049686 Jy ! Total flux subtracted in 100 components = 0.0049686 Jy ! Clean residual min=-0.002377 max=0.002221 Jy/beam ! Clean residual mean=-0.000002 rms=0.000471 Jy/beam ! Combined flux in latest and established models = 0.0940597 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 39 components and 0.0940597 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=0.056138Jy sigma=1.252692 ! Fit after self-cal, rms=0.056135Jy sigma=1.252504 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8499 mas, bmaj=2.018 mas, bpa=-2.207 degrees ! Estimated noise=0.14395 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 = 0.00359595 Jy ! Component: 100 - total flux cleaned = 0.00617273 Jy ! Component: 150 - total flux cleaned = 0.00818385 Jy ! Component: 200 - total flux cleaned = 0.00981038 Jy ! Total flux subtracted in 200 components = 0.00981038 Jy ! Clean residual min=-0.003209 max=0.003583 Jy/beam ! Clean residual mean=-0.000007 rms=0.000739 Jy/beam ! Combined flux in latest and established models = 0.10387 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 72 components and 0.10387 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=0.055802Jy sigma=1.245420 ! Fit after self-cal, rms=0.055796Jy sigma=1.245118 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8499 x 2.018 at -2.207 degrees (North through East) ! Clean map min=-0.0030853 max=0.071236 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.07 HN 0.97 KP 0.96 ! LA 1.00 MK 1.00 NL 1.15 OV 0.92 ! PT 0.83 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.03 HN 0.98 KP 0.99 ! LA 0.97 MK 1.00 NL 1.15 OV 0.96 ! PT 0.84 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.02 HN 1.01 KP 1.00 ! LA 1.00 MK 1.02 NL 1.15 OV 0.93 ! PT 0.82 SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.03 HN 0.99 KP 0.96 ! LA 0.98 MK 0.98 NL 1.16 OV 0.94 ! PT 0.84 SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.03 HN 1.01 KP 1.02 ! LA 0.98 MK 0.98 NL 1.17 OV 0.94 ! PT 0.82 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.03 HN 0.94 KP 0.98 ! LA 0.98 MK 1.01 NL 1.18 OV 0.98 ! PT 0.82 SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.02 HN 1.00 KP 0.98 ! LA 1.00 MK 0.98 NL 1.18 OV 0.97 ! PT 0.83 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.04 HN 1.00 KP 0.99 ! LA 0.97 MK 1.00 NL 1.20 OV 0.96 ! PT 0.80 SC 1.03 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.06 HN 0.99 KP 1.00 ! LA 0.99 MK 1.01 NL 1.14 OV 0.95 ! PT 0.84 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.97 KP 1.02 ! LA 0.99 MK 1.05 NL 1.16 OV 0.97 ! PT 0.81 SC 0.95 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 HN 0.98 KP 0.97 ! LA 0.97 MK 1.00 NL 1.17 OV 0.97 ! PT 0.81 SC 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.04 HN 0.98 KP 1.02 ! LA 1.03 MK 0.98 NL 1.13 OV 0.94 ! PT 0.83 SC 0.90 ! ! ! Fit before self-cal, rms=0.055796Jy sigma=1.245118 ! Fit after self-cal, rms=0.053754Jy sigma=1.222820 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8494 mas, bmaj=2.035 mas, bpa=-1.794 degrees ! Estimated noise=0.142323 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 (-12, 17.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00177092 Jy ! Component: 100 - total flux cleaned = 0.00223414 Jy ! Component: 150 - total flux cleaned = 0.00255975 Jy ! Component: 200 - total flux cleaned = 0.00282662 Jy ! Total flux subtracted in 200 components = 0.00282662 Jy ! Clean residual min=-0.001334 max=0.001530 Jy/beam ! Clean residual mean=-0.000008 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.106697 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 99 components and 0.106697 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=0.053645Jy sigma=1.219822 ! Fit after self-cal, rms=0.053686Jy sigma=1.218919 ! 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=0.053686Jy sigma=1.218919 ! Fit after self-cal, rms=0.053782Jy sigma=1.216470 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.851 mas, bmaj=2.039 mas, bpa=-1.757 degrees ! Estimated noise=0.142346 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000395494 Jy ! Component: 100 - total flux cleaned = 0.000613471 Jy ! Component: 150 - total flux cleaned = 0.000790547 Jy ! Component: 200 - total flux cleaned = 0.0010038 Jy ! Total flux subtracted in 200 components = 0.0010038 Jy ! Clean residual min=-0.001263 max=0.001313 Jy/beam ! Clean residual mean=-0.000008 rms=0.000290 Jy/beam ! Combined flux in latest and established models = 0.1077 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 112 components and 0.1077 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=0.053754Jy sigma=1.215752 ! Fit after self-cal, rms=0.053756Jy sigma=1.215607 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-0.8, 8.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132456 Jy ! Component: 100 - total flux cleaned = 0.00206993 Jy ! Component: 150 - total flux cleaned = 0.00240971 Jy ! Component: 200 - total flux cleaned = 0.00258503 Jy ! Total flux subtracted in 200 components = 0.00258503 Jy ! Clean residual min=-0.001237 max=0.001135 Jy/beam ! Clean residual mean=-0.000008 rms=0.000263 Jy/beam ! Combined flux in latest and established models = 0.110285 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 132 components and 0.110285 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=0.053718Jy sigma=1.214732 ! Fit after self-cal, rms=0.053712Jy sigma=1.214694 ! 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=0.053712Jy sigma=1.214694 ! Fit after self-cal, rms=0.053675Jy sigma=1.213769 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8504 mas, bmaj=2.039 mas, bpa=-1.712 degrees ! Estimated noise=0.141949 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.43837e-06 Jy ! Component: 100 - total flux cleaned = 0.00011904 Jy ! Component: 150 - total flux cleaned = 0.00016669 Jy ! Component: 200 - total flux cleaned = 0.000255155 Jy ! Total flux subtracted in 200 components = 0.000255155 Jy ! Clean residual min=-0.001252 max=0.001006 Jy/beam ! Clean residual mean=-0.000006 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.110541 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 140 components and 0.110541 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=0.053664Jy sigma=1.213536 ! Fit after self-cal, rms=0.053668Jy sigma=1.213505 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 = 3.77439e-05 Jy ! Component: 100 - total flux cleaned = 7.79217e-05 Jy ! Component: 150 - total flux cleaned = 0.000128066 Jy ! Component: 200 - total flux cleaned = 0.000163643 Jy ! Total flux subtracted in 200 components = 0.000163643 Jy ! Clean residual min=-0.001251 max=0.000987 Jy/beam ! Clean residual mean=-0.000006 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.110704 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 149 components and 0.110704 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=0.053662Jy sigma=1.213378 ! Fit after self-cal, rms=0.053661Jy sigma=1.213377 ! 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=0.053661Jy sigma=1.213377 ! Fit after self-cal, rms=0.053576Jy sigma=1.213351 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.127 mas, bmaj=3.645 mas, bpa=0.3776 degrees ! Estimated noise=0.180442 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000205953 Jy ! Component: 100 - total flux cleaned = 0.000243067 Jy ! Component: 150 - total flux cleaned = 0.000272294 Jy ! Component: 200 - total flux cleaned = 0.000283699 Jy ! Total flux subtracted in 200 components = 0.000283699 Jy ! Clean residual min=-0.001836 max=0.001588 Jy/beam ! Clean residual mean=-0.000014 rms=0.000441 Jy/beam ! Combined flux in latest and established models = 0.110988 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 155 components and 0.110988 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=0.053577Jy sigma=1.213329 ! Fit after self-cal, rms=0.053576Jy sigma=1.213299 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 = 5.1561e-06 Jy ! Component: 100 - total flux cleaned = -5.8825e-06 Jy ! Component: 150 - total flux cleaned = -2.63053e-05 Jy ! Component: 200 - total flux cleaned = -5.46175e-05 Jy ! Total flux subtracted in 200 components = -5.46175e-05 Jy ! Clean residual min=-0.001812 max=0.001588 Jy/beam ! Clean residual mean=-0.000014 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.110933 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 162 components and 0.110933 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=0.053577Jy sigma=1.213309 ! Fit after self-cal, rms=0.053576Jy sigma=1.213295 ! 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=0.849 mas, bmaj=2.037 mas, bpa=-1.676 degrees ! Estimated noise=0.141696 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.849 x 2.037 at -1.676 degrees (North through East) ! Clean map min=-0.0011847 max=0.070529 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=0.6645 mas, bmaj=1.686 mas, bpa=-2.033 degrees ! Estimated noise=0.253217 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0529542 Jy ! Component: 100 - total flux cleaned = 0.0714265 Jy ! Component: 150 - total flux cleaned = 0.0796802 Jy ! Component: 200 - total flux cleaned = 0.0845331 Jy ! Total flux subtracted in 200 components = 0.0845331 Jy ! Clean residual min=-0.001973 max=0.002989 Jy/beam ! Clean residual mean=-0.000001 rms=0.000429 Jy/beam ! Combined flux in latest and established models = 0.0845331 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0845331 Jy ! Inverting map and beam ! Estimated beam: bmin=0.849 mas, bmaj=2.037 mas, bpa=-1.676 degrees ! Estimated noise=0.141696 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 (-1.2, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00558865 Jy ! Component: 100 - total flux cleaned = 0.00944517 Jy ! Component: 150 - total flux cleaned = 0.0123985 Jy ! Component: 200 - total flux cleaned = 0.0147196 Jy ! Total flux subtracted in 200 components = 0.0147196 Jy ! Clean residual min=-0.001410 max=0.001657 Jy/beam ! Clean residual mean=-0.000005 rms=0.000367 Jy/beam ! Combined flux in latest and established models = 0.0992527 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 61 components and 0.0992527 Jy ! Inverting map ! Added new window around map position (-34.4, 51). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00194426 Jy ! Component: 100 - total flux cleaned = 0.00354776 Jy ! Component: 150 - total flux cleaned = 0.00491021 Jy ! Component: 200 - total flux cleaned = 0.00607087 Jy ! Total flux subtracted in 200 components = 0.00607087 Jy ! Clean residual min=-0.001158 max=0.001161 Jy/beam ! Clean residual mean=-0.000005 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.105324 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 93 components and 0.105324 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=2.127 mas, bmaj=3.645 mas, bpa=0.3776 degrees ! Estimated noise=0.180442 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00176297 Jy ! Component: 100 - total flux cleaned = 0.00298032 Jy ! Component: 150 - total flux cleaned = 0.00386355 Jy ! Component: 200 - total flux cleaned = 0.00453679 Jy ! Total flux subtracted in 200 components = 0.00453679 Jy ! Clean residual min=-0.001808 max=0.001677 Jy/beam ! Clean residual mean=-0.000013 rms=0.000441 Jy/beam ! Combined flux in latest and established models = 0.10986 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000347885 Jy ! Component: 100 - total flux cleaned = 0.000513527 Jy ! Component: 150 - total flux cleaned = 0.000643497 Jy ! Component: 200 - total flux cleaned = 0.000760026 Jy ! Total flux subtracted in 200 components = 0.000760026 Jy ! Clean residual min=-0.001782 max=0.001636 Jy/beam ! Clean residual mean=-0.000013 rms=0.000432 Jy/beam ! Combined flux in latest and established models = 0.11062 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 140 components and 0.11062 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.849 mas, bmaj=2.037 mas, bpa=-1.676 degrees ! Estimated noise=0.141696 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000386731 Jy ! Component: 100 - total flux cleaned = 0.000467151 Jy ! Component: 150 - total flux cleaned = 0.000539571 Jy ! Component: 200 - total flux cleaned = 0.000589371 Jy ! Total flux subtracted in 200 components = 0.000589371 Jy ! Clean residual min=-0.001105 max=0.001025 Jy/beam ! Clean residual mean=-0.000006 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.11121 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 164 components and 0.11121 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=0.053564Jy sigma=1.212965 ! Fit after self-cal, rms=0.053549Jy sigma=1.212772 wmodel J2248-0541_X_map.mod ! Writing 164 model components to file: J2248-0541_X_map.mod wobs J2248-0541_X_uvs.fits ! Writing UV FITS file: J2248-0541_X_uvs.fits wwins J2248-0541_X_map.win ! wwins: Wrote 7 windows to J2248-0541_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000125207 Jy ! Component: 100 - total flux cleaned = -0.000142136 Jy ! Component: 150 - total flux cleaned = -5.85793e-05 Jy ! Component: 200 - total flux cleaned = 3.80458e-05 Jy ! Component: 250 - total flux cleaned = 6.96395e-05 Jy ! Component: 300 - total flux cleaned = 0.000146181 Jy ! Component: 350 - total flux cleaned = 0.000205678 Jy ! Component: 400 - total flux cleaned = 0.000220179 Jy ! Component: 450 - total flux cleaned = 0.000248564 Jy ! Component: 500 - total flux cleaned = 0.000220775 Jy ! Component: 550 - total flux cleaned = 0.0002211 Jy ! Component: 600 - total flux cleaned = 0.00023454 Jy ! Component: 650 - total flux cleaned = 0.000273928 Jy ! Component: 700 - total flux cleaned = 0.000273823 Jy ! Component: 750 - total flux cleaned = 0.000286471 Jy ! Component: 800 - total flux cleaned = 0.000299015 Jy ! Component: 850 - total flux cleaned = 0.000323814 Jy ! Component: 900 - total flux cleaned = 0.000347918 Jy ! Component: 950 - total flux cleaned = 0.00039582 Jy ! Component: 1000 - total flux cleaned = 0.000407671 Jy ! Component: 1050 - total flux cleaned = 0.000442755 Jy ! Component: 1100 - total flux cleaned = 0.000454324 Jy ! Component: 1150 - total flux cleaned = 0.000511519 Jy ! Component: 1200 - total flux cleaned = 0.000568079 Jy ! Component: 1250 - total flux cleaned = 0.000568072 Jy ! Component: 1300 - total flux cleaned = 0.000623401 Jy ! Component: 1350 - total flux cleaned = 0.000634386 Jy ! Component: 1400 - total flux cleaned = 0.000666965 Jy ! Component: 1450 - total flux cleaned = 0.000688468 Jy ! Component: 1500 - total flux cleaned = 0.000709776 Jy ! Component: 1550 - total flux cleaned = 0.000730812 Jy ! Component: 1600 - total flux cleaned = 0.000741353 Jy ! Component: 1650 - total flux cleaned = 0.000813599 Jy ! Component: 1700 - total flux cleaned = 0.000823902 Jy ! Component: 1750 - total flux cleaned = 0.00085443 Jy ! Component: 1800 - total flux cleaned = 0.000874506 Jy ! Component: 1850 - total flux cleaned = 0.000914347 Jy ! Component: 1900 - total flux cleaned = 0.000924288 Jy ! Component: 1950 - total flux cleaned = 0.000963335 Jy ! Component: 2000 - total flux cleaned = 0.000992448 Jy ! Component: 2050 - total flux cleaned = 0.00100204 Jy ! Component: 2100 - total flux cleaned = 0.00104968 Jy ! Component: 2150 - total flux cleaned = 0.00105916 Jy ! Component: 2200 - total flux cleaned = 0.0010968 Jy ! Component: 2250 - total flux cleaned = 0.00112472 Jy ! Component: 2300 - total flux cleaned = 0.00117089 Jy ! Component: 2350 - total flux cleaned = 0.00118009 Jy ! Component: 2400 - total flux cleaned = 0.00120738 Jy ! Component: 2450 - total flux cleaned = 0.00118018 Jy ! Component: 2500 - total flux cleaned = 0.00118928 Jy ! Component: 2550 - total flux cleaned = 0.0012249 Jy ! Component: 2600 - total flux cleaned = 0.00123379 Jy ! Component: 2650 - total flux cleaned = 0.00127767 Jy ! Component: 2700 - total flux cleaned = 0.00123397 Jy ! Component: 2750 - total flux cleaned = 0.00125994 Jy ! Component: 2800 - total flux cleaned = 0.00124277 Jy ! Component: 2850 - total flux cleaned = 0.00127694 Jy ! Component: 2900 - total flux cleaned = 0.00128535 Jy ! Component: 2950 - total flux cleaned = 0.00126856 Jy ! Component: 3000 - total flux cleaned = 0.00127689 Jy ! Component: 3050 - total flux cleaned = 0.00127689 Jy ! Component: 3100 - total flux cleaned = 0.00127688 Jy ! Component: 3150 - total flux cleaned = 0.00128509 Jy ! Component: 3200 - total flux cleaned = 0.00128506 Jy ! Component: 3250 - total flux cleaned = 0.00126881 Jy ! Component: 3300 - total flux cleaned = 0.00126886 Jy ! Component: 3350 - total flux cleaned = 0.00132474 Jy ! Component: 3400 - total flux cleaned = 0.00130094 Jy ! Component: 3450 - total flux cleaned = 0.00130093 Jy ! Component: 3500 - total flux cleaned = 0.00132438 Jy ! Component: 3550 - total flux cleaned = 0.00132434 Jy ! Component: 3600 - total flux cleaned = 0.0013012 Jy ! Component: 3650 - total flux cleaned = 0.00131658 Jy ! Component: 3700 - total flux cleaned = 0.0013396 Jy ! Component: 3750 - total flux cleaned = 0.00132441 Jy ! Component: 3800 - total flux cleaned = 0.00134707 Jy ! Component: 3850 - total flux cleaned = 0.00136209 Jy ! Component: 3900 - total flux cleaned = 0.00133973 Jy ! Component: 3950 - total flux cleaned = 0.00137685 Jy ! Component: 4000 - total flux cleaned = 0.00136932 Jy ! Component: 4050 - total flux cleaned = 0.00136195 Jy ! Total flux subtracted in 4096 components = 0.00141307 Jy ! Clean residual min=-0.000430 max=0.000493 Jy/beam ! Clean residual mean=-0.000004 rms=0.000133 Jy/beam ! Combined flux in latest and established models = 0.112623 Jy keep ! Adding 328 model components to the UV plane model. ! The established model now contains 492 components and 0.112623 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2248-0541_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.849 x 2.037 at -1.676 degrees (North through East) ! Clean map min=-0.00091064 max=0.070717 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2248-0541_X_map.fits wmodel /vlbi/uf001/uva//J2248-0541_X_map.mod ! Writing 492 model components to file: /vlbi/uf001/uva//J2248-0541_X_map.mod wobs /vlbi/uf001/uva//J2248-0541_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2248-0541_X_uvs.fits wwins /vlbi/uf001/uva//J2248-0541_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J2248-0541_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0707173 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000134287 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.56968 0.56968 1.13936 2.27872 4.55744 9.11487 18.2297 36.4595 72.919 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.07 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 526.611 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2248-0541_X_dfm.log closed on Mon Jan 14 06:24:39 2019