! Started logfile: /vlbi/uf001/uva//J1908-2942_X_dfm.log on Mon Jan 14 04:56:36 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//J1908-2942_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1908-2942_X_uva.fits ! AN table 1: 48 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.993634 visibilities/baseline/integration-bin. ! Found source: J1908-2942 ! ! 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 20604 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 J1908-2942_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=1.009593Jy sigma=18.604051 ! Fit after self-cal, rms=0.874005Jy sigma=15.860181 ! 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=0.5689 mas, bmaj=1.599 mas, bpa=-2.048 degrees ! Estimated noise=0.541243 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 = 0.103595 Jy ! Component: 100 - total flux cleaned = 0.127427 Jy ! Total flux subtracted in 100 components = 0.127427 Jy ! Clean residual min=-0.007731 max=0.015770 Jy/beam ! Clean residual mean=-0.000015 rms=0.001827 Jy/beam ! Combined flux in latest and established models = 0.127427 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.127427 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=0.083475Jy sigma=1.306249 ! Fit after self-cal, rms=0.083377Jy sigma=1.305551 ! Inverting map ! Added new window around map position (1, -1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0138114 Jy ! Component: 100 - total flux cleaned = 0.0187109 Jy ! Total flux subtracted in 100 components = 0.0187109 Jy ! Clean residual min=-0.006248 max=0.012922 Jy/beam ! Clean residual mean=-0.000013 rms=0.001460 Jy/beam ! Combined flux in latest and established models = 0.146138 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 12 components and 0.146138 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=0.081308Jy sigma=1.257923 ! Fit after self-cal, rms=0.081017Jy sigma=1.248289 ! Inverting map ! Added new window around map position (0.2, -9.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00915648 Jy ! Component: 100 - total flux cleaned = 0.0135329 Jy ! Total flux subtracted in 100 components = 0.0135329 Jy ! Clean residual min=-0.005107 max=0.008145 Jy/beam ! Clean residual mean=-0.000010 rms=0.001203 Jy/beam ! Combined flux in latest and established models = 0.15967 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.159671 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=0.080157Jy sigma=1.232861 ! Fit after self-cal, rms=0.080096Jy sigma=1.229230 ! 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=0.7491 mas, bmaj=1.949 mas, bpa=-2.722 degrees ! Estimated noise=0.276449 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 = 0.00407653 Jy ! Component: 100 - total flux cleaned = 0.00511909 Jy ! Component: 150 - total flux cleaned = 0.00543409 Jy ! Component: 200 - total flux cleaned = 0.00554171 Jy ! Total flux subtracted in 200 components = 0.00554171 Jy ! Clean residual min=-0.005295 max=0.006690 Jy/beam ! Clean residual mean=-0.000016 rms=0.001314 Jy/beam ! Combined flux in latest and established models = 0.165212 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 23 components and 0.165212 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=0.079850Jy sigma=1.224498 ! Fit after self-cal, rms=0.079856Jy sigma=1.223606 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7491 x 1.949 at -2.722 degrees (North through East) ! Clean map min=-0.0054626 max=0.12611 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 1.39 KP 1.06 LA 1.00 ! MK 1.03 NL 1.11 OV 0.88 PT 0.93 ! SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.31 KP 1.03 LA 1.02 ! MK 1.03 NL 1.12 OV 0.93 PT 0.95 ! SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.22 KP 1.02 LA 1.01 ! MK 0.98 NL 1.14 OV 0.90 PT 0.92 ! SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 1.27 KP 1.02 LA 0.96 ! MK 1.00 NL 1.16 OV 0.90 PT 0.94 ! SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 HN 1.37 KP 1.03 LA 0.99 ! MK 1.00 NL 1.12 OV 0.89 PT 0.93 ! SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.28 KP 1.02 LA 0.98 ! MK 0.99 NL 1.12 OV 0.92 PT 0.95 ! SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 1.34 KP 0.98 LA 0.97 ! MK 1.02 NL 1.10 OV 0.88 PT 0.95 ! SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.31 KP 1.03 LA 1.00 ! MK 1.02 NL 1.13 OV 0.90 PT 0.91 ! SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.24 KP 1.05 LA 0.99 ! MK 0.99 NL 1.14 OV 0.89 PT 0.93 ! SC 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 1.18 KP 1.01 LA 1.00 ! MK 0.97 NL 1.14 OV 0.89 PT 0.93 ! SC 1.01 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 1.17 KP 1.01 LA 0.99 ! MK 1.00 NL 1.14 OV 0.86 PT 0.95 ! SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 1.33 KP 1.02 LA 0.97 ! MK 1.03 NL 1.11 OV 0.88 PT 0.92 ! SC 0.95 ! ! ! Fit before self-cal, rms=0.079856Jy sigma=1.223606 ! Fit after self-cal, rms=0.090639Jy sigma=1.192142 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7523 mas, bmaj=1.94 mas, bpa=-2.224 degrees ! Estimated noise=0.281939 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 = -0.00342974 Jy ! Component: 100 - total flux cleaned = -0.00458803 Jy ! Component: 150 - total flux cleaned = -0.00512607 Jy ! Component: 200 - total flux cleaned = -0.00531913 Jy ! Total flux subtracted in 200 components = -0.00531913 Jy ! Clean residual min=-0.003745 max=0.003316 Jy/beam ! Clean residual mean=-0.000008 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 0.159893 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 36 components and 0.159893 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=0.090500Jy sigma=1.188672 ! Fit after self-cal, rms=0.090688Jy sigma=1.187843 ! 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=0.090688Jy sigma=1.187843 ! Fit after self-cal, rms=0.096200Jy sigma=1.181211 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7526 mas, bmaj=1.939 mas, bpa=-2.189 degrees ! Estimated noise=0.282217 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0021807 Jy ! Component: 100 - total flux cleaned = -0.00259435 Jy ! Component: 150 - total flux cleaned = -0.00286545 Jy ! Component: 200 - total flux cleaned = -0.00301435 Jy ! Total flux subtracted in 200 components = -0.00301435 Jy ! Clean residual min=-0.002924 max=0.002728 Jy/beam ! Clean residual mean=-0.000007 rms=0.000608 Jy/beam ! Combined flux in latest and established models = 0.156879 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 40 components and 0.156879 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=0.096133Jy sigma=1.179621 ! Fit after self-cal, rms=0.096148Jy sigma=1.179228 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 = -0.000646663 Jy ! Component: 100 - total flux cleaned = -0.000827774 Jy ! Component: 150 - total flux cleaned = -0.000975155 Jy ! Component: 200 - total flux cleaned = -0.00105397 Jy ! Total flux subtracted in 200 components = -0.00105397 Jy ! Clean residual min=-0.002796 max=0.002718 Jy/beam ! Clean residual mean=-0.000008 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.155825 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 43 components and 0.155825 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=0.096130Jy sigma=1.178637 ! Fit after self-cal, rms=0.096113Jy sigma=1.178536 ! 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=0.096113Jy sigma=1.178536 ! Fit after self-cal, rms=0.102347Jy sigma=1.176678 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.753 mas, bmaj=1.938 mas, bpa=-2.196 degrees ! Estimated noise=0.282051 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00155633 Jy ! Component: 100 - total flux cleaned = -0.00181056 Jy ! Component: 150 - total flux cleaned = -0.00200751 Jy ! Component: 200 - total flux cleaned = -0.00205723 Jy ! Total flux subtracted in 200 components = -0.00205723 Jy ! Clean residual min=-0.002305 max=0.002675 Jy/beam ! Clean residual mean=-0.000007 rms=0.000536 Jy/beam ! Combined flux in latest and established models = 0.153768 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 46 components and 0.153768 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=0.102317Jy sigma=1.176034 ! Fit after self-cal, rms=0.102338Jy sigma=1.175856 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 (-0.4, 11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00262746 Jy ! Component: 100 - total flux cleaned = 0.00337785 Jy ! Component: 150 - total flux cleaned = 0.00349456 Jy ! Component: 200 - total flux cleaned = 0.00359618 Jy ! Total flux subtracted in 200 components = 0.00359618 Jy ! Clean residual min=-0.002136 max=0.001752 Jy/beam ! Clean residual mean=-0.000004 rms=0.000458 Jy/beam ! Combined flux in latest and established models = 0.157364 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 64 components and 0.157364 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=0.102266Jy sigma=1.173797 ! Fit after self-cal, rms=0.102267Jy sigma=1.173629 ! 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=0.102267Jy sigma=1.173629 ! Fit after self-cal, rms=0.103801Jy sigma=1.173378 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.198 mas, bmaj=5.858 mas, bpa=1.736 degrees ! Estimated noise=0.363263 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000111366 Jy ! Component: 100 - total flux cleaned = -1.95994e-06 Jy ! Component: 150 - total flux cleaned = -8.05789e-05 Jy ! Component: 200 - total flux cleaned = -0.000147385 Jy ! Total flux subtracted in 200 components = -0.000147385 Jy ! Clean residual min=-0.002357 max=0.002043 Jy/beam ! Clean residual mean=-0.000006 rms=0.000570 Jy/beam ! Combined flux in latest and established models = 0.157216 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 76 components and 0.157216 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=0.103779Jy sigma=1.173015 ! Fit after self-cal, rms=0.103786Jy sigma=1.172886 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 = -0.000236966 Jy ! Component: 100 - total flux cleaned = -0.000239661 Jy ! Component: 150 - total flux cleaned = -0.000240804 Jy ! Component: 200 - total flux cleaned = -0.000241016 Jy ! Total flux subtracted in 200 components = -0.000241016 Jy ! Clean residual min=-0.002288 max=0.001940 Jy/beam ! Clean residual mean=-0.000006 rms=0.000544 Jy/beam ! Combined flux in latest and established models = 0.156975 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 83 components and 0.156975 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=0.103785Jy sigma=1.172741 ! Fit after self-cal, rms=0.103777Jy sigma=1.172700 ! 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=0.7531 mas, bmaj=1.936 mas, bpa=-2.174 degrees ! Estimated noise=0.28133 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7531 x 1.936 at -2.174 degrees (North through East) ! Clean map min=-0.0018749 max=0.13036 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=0.5696 mas, bmaj=1.582 mas, bpa=-1.182 degrees ! Estimated noise=0.554298 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.105602 Jy ! Component: 100 - total flux cleaned = 0.130302 Jy ! Component: 150 - total flux cleaned = 0.140793 Jy ! Component: 200 - total flux cleaned = 0.146361 Jy ! Total flux subtracted in 200 components = 0.146361 Jy ! Clean residual min=-0.003223 max=0.003529 Jy/beam ! Clean residual mean=-0.000004 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 0.146361 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.146361 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7531 mas, bmaj=1.936 mas, bpa=-2.174 degrees ! Estimated noise=0.28133 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 (1.6, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00424189 Jy ! Component: 100 - total flux cleaned = 0.00704624 Jy ! Component: 150 - total flux cleaned = 0.00904799 Jy ! Component: 200 - total flux cleaned = 0.0101883 Jy ! Total flux subtracted in 200 components = 0.0101883 Jy ! Clean residual min=-0.002128 max=0.001647 Jy/beam ! Clean residual mean=-0.000004 rms=0.000434 Jy/beam ! Combined flux in latest and established models = 0.156549 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 36 components and 0.156549 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=2.198 mas, bmaj=5.858 mas, bpa=1.736 degrees ! Estimated noise=0.363263 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000403565 Jy ! Component: 100 - total flux cleaned = 0.000835626 Jy ! Component: 150 - total flux cleaned = 0.00115002 Jy ! Component: 200 - total flux cleaned = 0.00122825 Jy ! Total flux subtracted in 200 components = 0.00122825 Jy ! Clean residual min=-0.002308 max=0.001925 Jy/beam ! Clean residual mean=-0.000007 rms=0.000537 Jy/beam ! Combined flux in latest and established models = 0.157777 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 = 7.01942e-05 Jy ! Component: 100 - total flux cleaned = 0.000112435 Jy ! Component: 150 - total flux cleaned = 0.000172577 Jy ! Component: 200 - total flux cleaned = 0.000208902 Jy ! Total flux subtracted in 200 components = 0.000208902 Jy ! Clean residual min=-0.002240 max=0.001931 Jy/beam ! Clean residual mean=-0.000006 rms=0.000522 Jy/beam ! Combined flux in latest and established models = 0.157986 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 57 components and 0.157986 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7531 mas, bmaj=1.936 mas, bpa=-2.174 degrees ! Estimated noise=0.28133 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000593434 Jy ! Component: 100 - total flux cleaned = 0.000485053 Jy ! Component: 150 - total flux cleaned = 0.00045547 Jy ! Component: 200 - total flux cleaned = 0.000429135 Jy ! Total flux subtracted in 200 components = 0.000429135 Jy ! Clean residual min=-0.001922 max=0.001380 Jy/beam ! Clean residual mean=-0.000003 rms=0.000396 Jy/beam ! Combined flux in latest and established models = 0.158415 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 68 components and 0.158415 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=0.103754Jy sigma=1.172257 ! Fit after self-cal, rms=0.103742Jy sigma=1.171959 wmodel J1908-2942_X_map.mod ! Writing 68 model components to file: J1908-2942_X_map.mod wobs J1908-2942_X_uvs.fits ! Writing UV FITS file: J1908-2942_X_uvs.fits wwins J1908-2942_X_map.win ! wwins: Wrote 5 windows to J1908-2942_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 = -0.000856743 Jy ! Component: 100 - total flux cleaned = -0.00160013 Jy ! Component: 150 - total flux cleaned = -0.00228582 Jy ! Component: 200 - total flux cleaned = -0.00288152 Jy ! Component: 250 - total flux cleaned = -0.00342802 Jy ! Component: 300 - total flux cleaned = -0.00388348 Jy ! Component: 350 - total flux cleaned = -0.00423197 Jy ! Component: 400 - total flux cleaned = -0.00445844 Jy ! Component: 450 - total flux cleaned = -0.00472285 Jy ! Component: 500 - total flux cleaned = -0.00489534 Jy ! Component: 550 - total flux cleaned = -0.00510651 Jy ! Component: 600 - total flux cleaned = -0.00527214 Jy ! Component: 650 - total flux cleaned = -0.00541381 Jy ! Component: 700 - total flux cleaned = -0.00555343 Jy ! Component: 750 - total flux cleaned = -0.00567101 Jy ! Component: 800 - total flux cleaned = -0.00582519 Jy ! Component: 850 - total flux cleaned = -0.0059391 Jy ! Component: 900 - total flux cleaned = -0.00612545 Jy ! Component: 950 - total flux cleaned = -0.00616227 Jy ! Component: 1000 - total flux cleaned = -0.00623484 Jy ! Component: 1050 - total flux cleaned = -0.00636003 Jy ! Component: 1100 - total flux cleaned = -0.00644791 Jy ! Component: 1150 - total flux cleaned = -0.00648286 Jy ! Component: 1200 - total flux cleaned = -0.0066373 Jy ! Component: 1250 - total flux cleaned = -0.00668827 Jy ! Component: 1300 - total flux cleaned = -0.00678835 Jy ! Component: 1350 - total flux cleaned = -0.00685415 Jy ! Component: 1400 - total flux cleaned = -0.00688658 Jy ! Component: 1450 - total flux cleaned = -0.00690307 Jy ! Component: 1500 - total flux cleaned = -0.00695093 Jy ! Component: 1550 - total flux cleaned = -0.00701377 Jy ! Component: 1600 - total flux cleaned = -0.00707606 Jy ! Component: 1650 - total flux cleaned = -0.00718385 Jy ! Component: 1700 - total flux cleaned = -0.0072294 Jy ! Component: 1750 - total flux cleaned = -0.0072896 Jy ! Component: 1800 - total flux cleaned = -0.00730444 Jy ! Component: 1850 - total flux cleaned = -0.0074075 Jy ! Component: 1900 - total flux cleaned = -0.00742233 Jy ! Component: 1950 - total flux cleaned = -0.00748002 Jy ! Component: 2000 - total flux cleaned = -0.00753709 Jy ! Component: 2050 - total flux cleaned = -0.00752282 Jy ! Component: 2100 - total flux cleaned = -0.00752285 Jy ! Component: 2150 - total flux cleaned = -0.00745304 Jy ! Component: 2200 - total flux cleaned = -0.00749477 Jy ! Component: 2250 - total flux cleaned = -0.00752215 Jy ! Component: 2300 - total flux cleaned = -0.0074951 Jy ! Component: 2350 - total flux cleaned = -0.00754897 Jy ! Component: 2400 - total flux cleaned = -0.00757559 Jy ! Component: 2450 - total flux cleaned = -0.00753577 Jy ! Component: 2500 - total flux cleaned = -0.00749634 Jy ! Component: 2550 - total flux cleaned = -0.00752256 Jy ! Component: 2600 - total flux cleaned = -0.00748379 Jy ! Component: 2650 - total flux cleaned = -0.00752225 Jy ! Component: 2700 - total flux cleaned = -0.00752238 Jy ! Component: 2750 - total flux cleaned = -0.00753507 Jy ! Component: 2800 - total flux cleaned = -0.0074975 Jy ! Component: 2850 - total flux cleaned = -0.007485 Jy ! Component: 2900 - total flux cleaned = -0.00748499 Jy ! Component: 2950 - total flux cleaned = -0.0074359 Jy ! Component: 3000 - total flux cleaned = -0.00746041 Jy ! Component: 3050 - total flux cleaned = -0.00747251 Jy ! Component: 3100 - total flux cleaned = -0.00747249 Jy ! Component: 3150 - total flux cleaned = -0.00752045 Jy ! Component: 3200 - total flux cleaned = -0.00755606 Jy ! Component: 3250 - total flux cleaned = -0.00757963 Jy ! Component: 3300 - total flux cleaned = -0.00754435 Jy ! Component: 3350 - total flux cleaned = -0.00755609 Jy ! Component: 3400 - total flux cleaned = -0.00754459 Jy ! Component: 3450 - total flux cleaned = -0.00757907 Jy ! Component: 3500 - total flux cleaned = -0.00762486 Jy ! Component: 3550 - total flux cleaned = -0.00760208 Jy ! Component: 3600 - total flux cleaned = -0.00762476 Jy ! Component: 3650 - total flux cleaned = -0.00762489 Jy ! Component: 3700 - total flux cleaned = -0.00763621 Jy ! Component: 3750 - total flux cleaned = -0.00764728 Jy ! Component: 3800 - total flux cleaned = -0.00771351 Jy ! Component: 3850 - total flux cleaned = -0.00765853 Jy ! Component: 3900 - total flux cleaned = -0.00769144 Jy ! Component: 3950 - total flux cleaned = -0.00773491 Jy ! Component: 4000 - total flux cleaned = -0.00774562 Jy ! Component: 4050 - total flux cleaned = -0.00773489 Jy ! Total flux subtracted in 4096 components = -0.00772424 Jy ! Clean residual min=-0.000557 max=0.000656 Jy/beam ! Clean residual mean=-0.000001 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.150691 Jy keep ! Adding 286 model components to the UV plane model. ! The established model now contains 354 components and 0.150691 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1908-2942_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7531 x 1.936 at -2.174 degrees (North through East) ! Clean map min=-0.0014277 max=0.13032 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1908-2942_X_map.fits wmodel /vlbi/uf001/uva//J1908-2942_X_map.mod ! Writing 354 model components to file: /vlbi/uf001/uva//J1908-2942_X_map.mod wobs /vlbi/uf001/uva//J1908-2942_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1908-2942_X_uvs.fits wwins /vlbi/uf001/uva//J1908-2942_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1908-2942_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.130324 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000185104 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.426103 0.426103 0.852206 1.70441 3.40882 6.81764 13.6353 27.2706 54.5412 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.13 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 704.055 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1908-2942_X_dfm.log closed on Mon Jan 14 04:56:41 2019