! Started logfile: /vlbi/uf001/uva//J1717+1917_X_dfm.log on Mon Jan 14 04:05:51 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//J1717+1917_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1717+1917_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.840212 visibilities/baseline/integration-bin. ! Found source: J1717+1917 ! ! 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 19056 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 J1717+1917_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 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.013786Jy sigma=20.806790 ! Fit after self-cal, rms=0.853725Jy sigma=17.345694 ! 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=0.7435 mas, bmaj=2.02 mas, bpa=-10.88 degrees ! Estimated noise=0.47676 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 = 0.113828 Jy ! Component: 100 - total flux cleaned = 0.141169 Jy ! Total flux subtracted in 100 components = 0.141169 Jy ! Clean residual min=-0.006509 max=0.010735 Jy/beam ! Clean residual mean=0.000006 rms=0.001670 Jy/beam ! Combined flux in latest and established models = 0.141169 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.141169 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=0.075432Jy sigma=1.464543 ! Fit after self-cal, rms=0.075426Jy sigma=1.464331 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0115744 Jy ! Component: 100 - total flux cleaned = 0.0181086 Jy ! Total flux subtracted in 100 components = 0.0181086 Jy ! Clean residual min=-0.006189 max=0.008199 Jy/beam ! Clean residual mean=0.000004 rms=0.001457 Jy/beam ! Combined flux in latest and established models = 0.159277 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 27 components and 0.159277 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=0.073289Jy sigma=1.391190 ! Fit after self-cal, rms=0.073311Jy sigma=1.391046 ! 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=0.9551 mas, bmaj=2.327 mas, bpa=-10.18 degrees ! Estimated noise=0.277512 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 = 0.00834761 Jy ! Component: 100 - total flux cleaned = 0.0133124 Jy ! Component: 150 - total flux cleaned = 0.0164229 Jy ! Component: 200 - total flux cleaned = 0.0184363 Jy ! Total flux subtracted in 200 components = 0.0184363 Jy ! Clean residual min=-0.007305 max=0.007688 Jy/beam ! Clean residual mean=0.000009 rms=0.001537 Jy/beam ! Combined flux in latest and established models = 0.177714 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 44 components and 0.177714 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=0.072589Jy sigma=1.362197 ! Fit after self-cal, rms=0.072614Jy sigma=1.362066 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9551 x 2.327 at -10.18 degrees (North through East) ! Clean map min=-0.0071163 max=0.15085 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 1.01 HN 0.92 KP 1.08 ! LA 0.80 MK 1.07 NL 1.20 OV 0.97 ! PT 0.98 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.01 HN 0.93 KP 1.10 ! LA 0.78 MK 1.09 NL 1.17 OV 0.99 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 1.04 HN 0.94 KP 1.08 ! LA 0.79 MK 1.10 NL 1.19 OV 0.95 ! PT 0.99 SC 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 1.05 HN 0.95 KP 1.13 ! LA 0.82 MK 1.10 NL 1.15 OV 0.95 ! PT 0.97 SC 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 1.02 HN 0.93 KP 1.06 ! LA 0.82 MK 1.09 NL 1.17 OV 0.96 ! PT 1.02 SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.27 FD 1.06 HN 0.95 KP 1.09 ! LA 0.78 MK 1.07 NL 1.19 OV 0.93 ! PT 0.98 SC 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.31 FD 1.06 HN 0.92 KP 1.08 ! LA 0.80 MK 1.03 NL 1.20 OV 0.93 ! PT 1.00 SC 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.30 FD 1.03 HN 0.92 KP 1.09 ! LA 0.77 MK 1.04 NL 1.18 OV 0.97 ! PT 0.98 SC 0.93 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.28 FD 1.01 HN 0.91 KP 1.11 ! LA 0.78 MK 1.05 NL 1.20 OV 0.96 ! PT 1.02 SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.28 FD 1.04 HN 0.91 KP 1.09 ! LA 0.82 MK 1.06 NL 1.19 OV 0.97 ! PT 0.98 SC 0.91 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 0.98 HN 0.91 KP 1.09 ! LA 0.82 MK 1.08 NL 1.20 OV 0.96 ! PT 0.98 SC 0.92 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 1.06 HN 0.92 KP 1.07 ! LA 0.81 MK 1.08 NL 1.17 OV 0.97 ! PT 1.01 SC 0.95 ! ! ! Fit before self-cal, rms=0.072614Jy sigma=1.362066 ! Fit after self-cal, rms=0.072441Jy sigma=1.245457 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9592 mas, bmaj=2.373 mas, bpa=-9.624 degrees ! Estimated noise=0.280358 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 = -0.00256339 Jy ! Component: 100 - total flux cleaned = -0.00290578 Jy ! Component: 150 - total flux cleaned = -0.00327184 Jy ! Component: 200 - total flux cleaned = -0.00359229 Jy ! Total flux subtracted in 200 components = -0.00359229 Jy ! Clean residual min=-0.002297 max=0.002340 Jy/beam ! Clean residual mean=0.000002 rms=0.000506 Jy/beam ! Combined flux in latest and established models = 0.174121 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 53 components and 0.174121 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=0.072224Jy sigma=1.241868 ! Fit after self-cal, rms=0.072503Jy sigma=1.240601 ! 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=0.072503Jy sigma=1.240601 ! Fit after self-cal, rms=0.073473Jy sigma=1.227238 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9661 mas, bmaj=2.39 mas, bpa=-9.495 degrees ! Estimated noise=0.280209 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00132975 Jy ! Component: 100 - total flux cleaned = -0.00146022 Jy ! Component: 150 - total flux cleaned = -0.00160227 Jy ! Component: 200 - total flux cleaned = -0.00169492 Jy ! Total flux subtracted in 200 components = -0.00169492 Jy ! Clean residual min=-0.001792 max=0.001359 Jy/beam ! Clean residual mean=0.000001 rms=0.000362 Jy/beam ! Combined flux in latest and established models = 0.172426 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 59 components and 0.172426 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=0.073403Jy sigma=1.226396 ! Fit after self-cal, rms=0.073424Jy sigma=1.226290 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 = -0.000149156 Jy ! Component: 100 - total flux cleaned = -0.000248879 Jy ! Component: 150 - total flux cleaned = -0.000316213 Jy ! Component: 200 - total flux cleaned = -0.000399584 Jy ! Total flux subtracted in 200 components = -0.000399584 Jy ! Clean residual min=-0.001784 max=0.001355 Jy/beam ! Clean residual mean=0.000001 rms=0.000359 Jy/beam ! Combined flux in latest and established models = 0.172027 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 60 components and 0.172027 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=0.073402Jy sigma=1.226061 ! Fit after self-cal, rms=0.073399Jy sigma=1.226043 ! 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=0.073399Jy sigma=1.226043 ! Fit after self-cal, rms=0.074113Jy sigma=1.225585 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9682 mas, bmaj=2.406 mas, bpa=-9.419 degrees ! Estimated noise=0.280454 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000986158 Jy ! Component: 100 - total flux cleaned = -0.00110955 Jy ! Component: 150 - total flux cleaned = -0.00119008 Jy ! Component: 200 - total flux cleaned = -0.00128644 Jy ! Total flux subtracted in 200 components = -0.00128644 Jy ! Clean residual min=-0.001741 max=0.001313 Jy/beam ! Clean residual mean=0.000001 rms=0.000343 Jy/beam ! Combined flux in latest and established models = 0.17074 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 60 components and 0.17074 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=0.074075Jy sigma=1.225161 ! Fit after self-cal, rms=0.074082Jy sigma=1.225150 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 = -0.000109876 Jy ! Component: 100 - total flux cleaned = -0.000189958 Jy ! Component: 150 - total flux cleaned = -0.000262902 Jy ! Component: 200 - total flux cleaned = -0.000330666 Jy ! Total flux subtracted in 200 components = -0.000330666 Jy ! Clean residual min=-0.001737 max=0.001329 Jy/beam ! Clean residual mean=0.000001 rms=0.000342 Jy/beam ! Combined flux in latest and established models = 0.17041 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 62 components and 0.17041 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=0.074068Jy sigma=1.225015 ! Fit after self-cal, rms=0.074067Jy sigma=1.225007 ! 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=0.074067Jy sigma=1.225007 ! Fit after self-cal, rms=0.074599Jy sigma=1.224756 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.116 mas, bmaj=3.258 mas, bpa=-9.679 degrees ! Estimated noise=0.318714 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000755545 Jy ! Component: 100 - total flux cleaned = -0.000882214 Jy ! Component: 150 - total flux cleaned = -0.000925232 Jy ! Component: 200 - total flux cleaned = -0.000961294 Jy ! Total flux subtracted in 200 components = -0.000961294 Jy ! Clean residual min=-0.001257 max=0.001378 Jy/beam ! Clean residual mean=0.000001 rms=0.000340 Jy/beam ! Combined flux in latest and established models = 0.169448 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 62 components and 0.169448 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=0.074589Jy sigma=1.224687 ! Fit after self-cal, rms=0.074596Jy sigma=1.224667 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 = -5.97218e-05 Jy ! Component: 100 - total flux cleaned = -4.21146e-05 Jy ! Component: 150 - total flux cleaned = -3.52379e-05 Jy ! Component: 200 - total flux cleaned = -4.04732e-05 Jy ! Total flux subtracted in 200 components = -4.04732e-05 Jy ! Clean residual min=-0.001241 max=0.001382 Jy/beam ! Clean residual mean=0.000001 rms=0.000341 Jy/beam ! Combined flux in latest and established models = 0.169408 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 65 components and 0.169408 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=0.074594Jy sigma=1.224682 ! Fit after self-cal, rms=0.074594Jy sigma=1.224673 ! 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=0.9702 mas, bmaj=2.417 mas, bpa=-9.361 degrees ! Estimated noise=0.280565 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9702 x 2.417 at -9.361 degrees (North through East) ! Clean map min=-0.0015593 max=0.15325 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=0.7505 mas, bmaj=2.084 mas, bpa=-10.14 degrees ! Estimated noise=0.49148 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.117185 Jy ! Component: 100 - total flux cleaned = 0.143381 Jy ! Component: 150 - total flux cleaned = 0.153134 Jy ! Component: 200 - total flux cleaned = 0.158686 Jy ! Total flux subtracted in 200 components = 0.158686 Jy ! Clean residual min=-0.002918 max=0.003227 Jy/beam ! Clean residual mean=0.000003 rms=0.000691 Jy/beam ! Combined flux in latest and established models = 0.158686 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.158686 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9702 mas, bmaj=2.417 mas, bpa=-9.361 degrees ! Estimated noise=0.280565 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 = 0.00483613 Jy ! Component: 100 - total flux cleaned = 0.0072765 Jy ! Component: 150 - total flux cleaned = 0.00868287 Jy ! Component: 200 - total flux cleaned = 0.00943464 Jy ! Total flux subtracted in 200 components = 0.00943464 Jy ! Clean residual min=-0.001502 max=0.001386 Jy/beam ! Clean residual mean=0.000001 rms=0.000340 Jy/beam ! Combined flux in latest and established models = 0.168121 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 40 components and 0.168121 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=2.116 mas, bmaj=3.258 mas, bpa=-9.679 degrees ! Estimated noise=0.318714 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000901007 Jy ! Component: 100 - total flux cleaned = 0.00119778 Jy ! Component: 150 - total flux cleaned = 0.00124179 Jy ! Component: 200 - total flux cleaned = 0.00125164 Jy ! Total flux subtracted in 200 components = 0.00125164 Jy ! Clean residual min=-0.001277 max=0.001366 Jy/beam ! Clean residual mean=0.000002 rms=0.000344 Jy/beam ! Combined flux in latest and established models = 0.169372 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.78332e-05 Jy ! Component: 100 - total flux cleaned = 2.58719e-05 Jy ! Component: 150 - total flux cleaned = 3.30598e-05 Jy ! Component: 200 - total flux cleaned = 3.96304e-05 Jy ! Total flux subtracted in 200 components = 3.96304e-05 Jy ! Clean residual min=-0.001291 max=0.001377 Jy/beam ! Clean residual mean=0.000002 rms=0.000343 Jy/beam ! Combined flux in latest and established models = 0.169412 Jy ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 0.169412 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9702 mas, bmaj=2.417 mas, bpa=-9.361 degrees ! Estimated noise=0.280565 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000102747 Jy ! Component: 100 - total flux cleaned = -3.61306e-05 Jy ! Component: 150 - total flux cleaned = 6.1939e-07 Jy ! Component: 200 - total flux cleaned = -1.53234e-05 Jy ! Total flux subtracted in 200 components = -1.53234e-05 Jy ! Clean residual min=-0.001472 max=0.001341 Jy/beam ! Clean residual mean=0.000001 rms=0.000333 Jy/beam ! Combined flux in latest and established models = 0.169396 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 50 components and 0.169396 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=0.074611Jy sigma=1.224452 ! Fit after self-cal, rms=0.074587Jy sigma=1.224385 wmodel J1717+1917_X_map.mod ! Writing 50 model components to file: J1717+1917_X_map.mod wobs J1717+1917_X_uvs.fits ! Writing UV FITS file: J1717+1917_X_uvs.fits wwins J1717+1917_X_map.win ! wwins: Wrote 1 windows to J1717+1917_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 = -0.000627941 Jy ! Component: 100 - total flux cleaned = -0.000928978 Jy ! Component: 150 - total flux cleaned = -0.00104832 Jy ! Component: 200 - total flux cleaned = -0.00116243 Jy ! Component: 250 - total flux cleaned = -0.00125131 Jy ! Component: 300 - total flux cleaned = -0.00142513 Jy ! Component: 350 - total flux cleaned = -0.00144638 Jy ! Component: 400 - total flux cleaned = -0.0014675 Jy ! Component: 450 - total flux cleaned = -0.00148854 Jy ! Component: 500 - total flux cleaned = -0.00158911 Jy ! Component: 550 - total flux cleaned = -0.00158892 Jy ! Component: 600 - total flux cleaned = -0.00170643 Jy ! Component: 650 - total flux cleaned = -0.00176418 Jy ! Component: 700 - total flux cleaned = -0.00185885 Jy ! Component: 750 - total flux cleaned = -0.00187761 Jy ! Component: 800 - total flux cleaned = -0.00195119 Jy ! Component: 850 - total flux cleaned = -0.00193279 Jy ! Component: 900 - total flux cleaned = -0.00196917 Jy ! Component: 950 - total flux cleaned = -0.00205865 Jy ! Component: 1000 - total flux cleaned = -0.00214711 Jy ! Component: 1050 - total flux cleaned = -0.00218215 Jy ! Component: 1100 - total flux cleaned = -0.00230364 Jy ! Component: 1150 - total flux cleaned = -0.00242376 Jy ! Component: 1200 - total flux cleaned = -0.0024745 Jy ! Component: 1250 - total flux cleaned = -0.00259251 Jy ! Component: 1300 - total flux cleaned = -0.00262574 Jy ! Component: 1350 - total flux cleaned = -0.00272485 Jy ! Component: 1400 - total flux cleaned = -0.00279037 Jy ! Component: 1450 - total flux cleaned = -0.00280655 Jy ! Component: 1500 - total flux cleaned = -0.00288675 Jy ! Component: 1550 - total flux cleaned = -0.0029186 Jy ! Component: 1600 - total flux cleaned = -0.0029503 Jy ! Component: 1650 - total flux cleaned = -0.00295061 Jy ! Component: 1700 - total flux cleaned = -0.0029817 Jy ! Component: 1750 - total flux cleaned = -0.00291989 Jy ! Component: 1800 - total flux cleaned = -0.00293525 Jy ! Component: 1850 - total flux cleaned = -0.00291991 Jy ! Component: 1900 - total flux cleaned = -0.00290489 Jy ! Component: 1950 - total flux cleaned = -0.00293482 Jy ! Component: 2000 - total flux cleaned = -0.00287542 Jy ! Component: 2050 - total flux cleaned = -0.00287562 Jy ! Component: 2100 - total flux cleaned = -0.00289018 Jy ! Component: 2150 - total flux cleaned = -0.00284645 Jy ! Component: 2200 - total flux cleaned = -0.00281784 Jy ! Component: 2250 - total flux cleaned = -0.00280357 Jy ! Component: 2300 - total flux cleaned = -0.00286077 Jy ! Component: 2350 - total flux cleaned = -0.00278961 Jy ! Component: 2400 - total flux cleaned = -0.00273312 Jy ! Component: 2450 - total flux cleaned = -0.0027191 Jy ! Component: 2500 - total flux cleaned = -0.00266337 Jy ! Component: 2550 - total flux cleaned = -0.00269113 Jy ! Component: 2600 - total flux cleaned = -0.00256712 Jy ! Component: 2650 - total flux cleaned = -0.00260826 Jy ! Component: 2700 - total flux cleaned = -0.00247212 Jy ! Component: 2750 - total flux cleaned = -0.00247201 Jy ! Component: 2800 - total flux cleaned = -0.0024451 Jy ! Component: 2850 - total flux cleaned = -0.00239151 Jy ! Component: 2900 - total flux cleaned = -0.00231176 Jy ! Component: 2950 - total flux cleaned = -0.00231177 Jy ! Component: 3000 - total flux cleaned = -0.00227225 Jy ! Component: 3050 - total flux cleaned = -0.00221985 Jy ! Component: 3100 - total flux cleaned = -0.00221989 Jy ! Component: 3150 - total flux cleaned = -0.00219383 Jy ! Component: 3200 - total flux cleaned = -0.00218096 Jy ! Component: 3250 - total flux cleaned = -0.00209098 Jy ! Component: 3300 - total flux cleaned = -0.00209107 Jy ! Component: 3350 - total flux cleaned = -0.00201469 Jy ! Component: 3400 - total flux cleaned = -0.00201479 Jy ! Component: 3450 - total flux cleaned = -0.0019895 Jy ! Component: 3500 - total flux cleaned = -0.00195193 Jy ! Component: 3550 - total flux cleaned = -0.00196436 Jy ! Component: 3600 - total flux cleaned = -0.0019272 Jy ! Component: 3650 - total flux cleaned = -0.00188995 Jy ! Component: 3700 - total flux cleaned = -0.0018777 Jy ! Component: 3750 - total flux cleaned = -0.00185315 Jy ! Component: 3800 - total flux cleaned = -0.00185312 Jy ! Component: 3850 - total flux cleaned = -0.00178031 Jy ! Component: 3900 - total flux cleaned = -0.00179236 Jy ! Component: 3950 - total flux cleaned = -0.00182835 Jy ! Component: 4000 - total flux cleaned = -0.00179241 Jy ! Component: 4050 - total flux cleaned = -0.00175655 Jy ! Total flux subtracted in 4096 components = -0.00175657 Jy ! Clean residual min=-0.000783 max=0.000781 Jy/beam ! Clean residual mean=0.000001 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.16764 Jy keep ! Adding 284 model components to the UV plane model. ! The established model now contains 334 components and 0.16764 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1717+1917_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9702 x 2.417 at -9.361 degrees (North through East) ! Clean map min=-0.0011256 max=0.1537 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1717+1917_X_map.fits wmodel /vlbi/uf001/uva//J1717+1917_X_map.mod ! Writing 334 model components to file: /vlbi/uf001/uva//J1717+1917_X_map.mod wobs /vlbi/uf001/uva//J1717+1917_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1717+1917_X_uvs.fits wwins /vlbi/uf001/uva//J1717+1917_X_map.win ! wwins: Wrote 2 windows to /vlbi/uf001/uva//J1717+1917_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.153697 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000204644 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.399443 0.399443 0.798886 1.59777 3.19554 6.39109 12.7822 25.5643 51.1287 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.153 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 751.045 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1717+1917_X_dfm.log closed on Mon Jan 14 04:05:56 2019