! Started logfile: /vlbi/uf001/uva//J2303+3446_X_dfm.log on Mon Jan 14 06:32:08 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//J2303+3446_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2303+3446_X_uva.fits ! AN table 1: 74 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.765927 visibilities/baseline/integration-bin. ! Found source: J2303+3446 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 19044 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 J2303+3446_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=1.001071Jy sigma=24.518779 ! Fit after self-cal, rms=0.947545Jy sigma=23.187736 ! 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=0.8975 mas, bmaj=2.124 mas, bpa=0.711 degrees ! Estimated noise=0.536897 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 = 0.0398059 Jy ! Component: 100 - total flux cleaned = 0.0515234 Jy ! Total flux subtracted in 100 components = 0.0515234 Jy ! Clean residual min=-0.003649 max=0.005420 Jy/beam ! Clean residual mean=0.000001 rms=0.001108 Jy/beam ! Combined flux in latest and established models = 0.0515234 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0515234 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=0.053163Jy sigma=1.238053 ! Fit after self-cal, rms=0.052274Jy sigma=1.215468 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.186 mas, bmaj=2.199 mas, bpa=0.1822 degrees ! Estimated noise=0.214738 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 = 0.0078819 Jy ! Component: 100 - total flux cleaned = 0.0119807 Jy ! Component: 150 - total flux cleaned = 0.0145393 Jy ! Component: 200 - total flux cleaned = 0.0162037 Jy ! Total flux subtracted in 200 components = 0.0162037 Jy ! Clean residual min=-0.002021 max=0.004207 Jy/beam ! Clean residual mean=-0.000002 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 0.0677271 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 19 components and 0.0677271 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=0.051116Jy sigma=1.185323 ! Fit after self-cal, rms=0.051074Jy sigma=1.183734 ! Inverting map ! Added new window around map position (-2.2, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00365509 Jy ! Component: 100 - total flux cleaned = 0.00563199 Jy ! Component: 150 - total flux cleaned = 0.00640203 Jy ! Component: 200 - total flux cleaned = 0.00679654 Jy ! Total flux subtracted in 200 components = 0.00679654 Jy ! Clean residual min=-0.001703 max=0.001841 Jy/beam ! Clean residual mean=-0.000001 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.0745237 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 52 components and 0.0745237 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=0.050819Jy sigma=1.175978 ! Fit after self-cal, rms=0.050755Jy sigma=1.174940 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.186 x 2.199 at 0.1822 degrees (North through East) ! Clean map min=-0.0014247 max=0.053836 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.96 HN 1.03 KP 1.04 ! LA 1.01 MK 1.20 NL 1.14 PT 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.94 HN 1.02 KP 1.04 ! LA 1.03 MK 0.95 NL 1.09 PT 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 1.03 KP 1.00 ! LA 0.98 MK 1.01 NL 1.05 PT 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 HN 0.92 KP 1.07 ! LA 0.97 MK 1.25 NL 1.08 PT 0.89 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.93 HN 0.99 KP 1.04 ! LA 1.02 MK 1.03 NL 1.05 PT 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.93 HN 0.98 KP 1.03 ! LA 0.95 MK 1.10 NL 1.13 PT 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.85 KP 1.07 ! LA 1.00 MK 1.06 NL 1.13 PT 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 0.92 KP 1.07 ! LA 1.00 MK 1.08 NL 1.09 PT 0.94 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 0.98 KP 1.02 ! LA 0.97 MK 1.06 NL 1.09 PT 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HN 0.95 KP 1.03 ! LA 0.99 MK 1.09 NL 1.08 PT 0.91 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.99 HN 0.93 KP 1.00 ! LA 0.96 MK 0.94 NL 1.08 PT 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.88 HN 0.84 KP 0.99 ! LA 1.01 MK 0.94 NL 1.17 PT 0.90 ! ! ! Fit before self-cal, rms=0.050755Jy sigma=1.174940 ! Fit after self-cal, rms=0.049641Jy sigma=1.169570 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.195 mas, bmaj=2.177 mas, bpa=0.09579 degrees ! Estimated noise=0.214313 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 = 0.000399793 Jy ! Component: 100 - total flux cleaned = 0.000538387 Jy ! Component: 150 - total flux cleaned = 0.000478481 Jy ! Component: 200 - total flux cleaned = 0.000337316 Jy ! Total flux subtracted in 200 components = 0.000337316 Jy ! Clean residual min=-0.001051 max=0.001114 Jy/beam ! Clean residual mean=-0.000000 rms=0.000256 Jy/beam ! Combined flux in latest and established models = 0.074861 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 66 components and 0.074861 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=0.049616Jy sigma=1.168845 ! Fit after self-cal, rms=0.049628Jy sigma=1.168431 ! 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=0.049628Jy sigma=1.168431 ! Fit after self-cal, rms=0.049711Jy sigma=1.166833 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.194 mas, bmaj=2.172 mas, bpa=0.1124 degrees ! Estimated noise=0.214552 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00013325 Jy ! Component: 100 - total flux cleaned = 9.71554e-05 Jy ! Component: 150 - total flux cleaned = 1.98132e-05 Jy ! Component: 200 - total flux cleaned = -5.98802e-05 Jy ! Total flux subtracted in 200 components = -5.98802e-05 Jy ! Clean residual min=-0.000963 max=0.000901 Jy/beam ! Clean residual mean=-0.000000 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0748011 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 73 components and 0.0748011 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=0.049699Jy sigma=1.166504 ! Fit after self-cal, rms=0.049711Jy sigma=1.166376 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 = 6.65754e-05 Jy ! Component: 100 - total flux cleaned = 1.649e-05 Jy ! Component: 150 - total flux cleaned = -5.04702e-05 Jy ! Component: 200 - total flux cleaned = -0.000110236 Jy ! Total flux subtracted in 200 components = -0.000110236 Jy ! Clean residual min=-0.000960 max=0.000882 Jy/beam ! Clean residual mean=-0.000000 rms=0.000218 Jy/beam ! Combined flux in latest and established models = 0.0746909 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 80 components and 0.0746909 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=0.049706Jy sigma=1.166233 ! Fit after self-cal, rms=0.049705Jy sigma=1.166216 ! 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=0.049705Jy sigma=1.166216 ! Fit after self-cal, rms=0.049638Jy sigma=1.166176 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.192 mas, bmaj=2.17 mas, bpa=0.1016 degrees ! Estimated noise=0.214439 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000162944 Jy ! Component: 100 - total flux cleaned = 9.73283e-05 Jy ! Component: 150 - total flux cleaned = 6.92824e-05 Jy ! Component: 200 - total flux cleaned = 3.64509e-05 Jy ! Total flux subtracted in 200 components = 3.64509e-05 Jy ! Clean residual min=-0.000920 max=0.000842 Jy/beam ! Clean residual mean=-0.000000 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.0747273 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 85 components and 0.0747273 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=0.049634Jy sigma=1.166068 ! Fit after self-cal, rms=0.049635Jy sigma=1.166050 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 = -3.58273e-06 Jy ! Component: 100 - total flux cleaned = -1.16792e-05 Jy ! Component: 150 - total flux cleaned = -4.88356e-05 Jy ! Component: 200 - total flux cleaned = -8.19873e-05 Jy ! Total flux subtracted in 200 components = -8.19873e-05 Jy ! Clean residual min=-0.000912 max=0.000827 Jy/beam ! Clean residual mean=-0.000000 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.0746453 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 91 components and 0.0746453 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=0.049632Jy sigma=1.165988 ! Fit after self-cal, rms=0.049631Jy sigma=1.165973 ! 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=0.049631Jy sigma=1.165973 ! Fit after self-cal, rms=0.049543Jy sigma=1.165966 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.21 mas, bmaj=2.439 mas, bpa=-12.26 degrees ! Estimated noise=0.249691 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.51163e-05 Jy ! Component: 100 - total flux cleaned = 4.51858e-05 Jy ! Component: 150 - total flux cleaned = 3.06984e-05 Jy ! Component: 200 - total flux cleaned = 6.50729e-06 Jy ! Total flux subtracted in 200 components = 6.50729e-06 Jy ! Clean residual min=-0.000890 max=0.000803 Jy/beam ! Clean residual mean=-0.000000 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0746519 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 103 components and 0.0746518 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=0.049542Jy sigma=1.165925 ! Fit after self-cal, rms=0.049541Jy sigma=1.165914 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.52373e-05 Jy ! Component: 100 - total flux cleaned = 3.28962e-05 Jy ! Component: 150 - total flux cleaned = 1.13563e-05 Jy ! Component: 200 - total flux cleaned = -3.31101e-06 Jy ! Total flux subtracted in 200 components = -3.31101e-06 Jy ! Clean residual min=-0.000878 max=0.000806 Jy/beam ! Clean residual mean=-0.000000 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.0746485 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 107 components and 0.0746485 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=0.049540Jy sigma=1.165891 ! Fit after self-cal, rms=0.049539Jy sigma=1.165884 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.19 mas, bmaj=2.169 mas, bpa=0.08736 degrees ! Estimated noise=0.214243 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.19 x 2.169 at 0.08736 degrees (North through East) ! Clean map min=-0.00097467 max=0.053516 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=0.8986 mas, bmaj=2.07 mas, bpa=0.5814 degrees ! Estimated noise=0.534785 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.040037 Jy ! Component: 100 - total flux cleaned = 0.0530792 Jy ! Component: 150 - total flux cleaned = 0.0597282 Jy ! Component: 200 - total flux cleaned = 0.0638741 Jy ! Total flux subtracted in 200 components = 0.0638741 Jy ! Clean residual min=-0.002747 max=0.003174 Jy/beam ! Clean residual mean=0.000001 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 0.0638741 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0638741 Jy ! Inverting map and beam ! Estimated beam: bmin=1.19 mas, bmaj=2.169 mas, bpa=0.08736 degrees ! Estimated noise=0.214243 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 = 0.00376896 Jy ! Component: 100 - total flux cleaned = 0.00605654 Jy ! Component: 150 - total flux cleaned = 0.00765405 Jy ! Component: 200 - total flux cleaned = 0.00883754 Jy ! Total flux subtracted in 200 components = 0.00883754 Jy ! Clean residual min=-0.001223 max=0.001204 Jy/beam ! Clean residual mean=-0.000000 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.0727117 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 39 components and 0.0727116 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=2.21 mas, bmaj=2.439 mas, bpa=-12.26 degrees ! Estimated noise=0.249691 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00119907 Jy ! Component: 100 - total flux cleaned = 0.00167622 Jy ! Component: 150 - total flux cleaned = 0.00185348 Jy ! Component: 200 - total flux cleaned = 0.00192498 Jy ! Total flux subtracted in 200 components = 0.00192498 Jy ! Clean residual min=-0.001091 max=0.000902 Jy/beam ! Clean residual mean=0.000000 rms=0.000261 Jy/beam ! Combined flux in latest and established models = 0.0746366 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 = 4.59314e-05 Jy ! Component: 100 - total flux cleaned = 7.2829e-05 Jy ! Component: 150 - total flux cleaned = 7.24314e-05 Jy ! Component: 200 - total flux cleaned = 8.33431e-05 Jy ! Total flux subtracted in 200 components = 8.33431e-05 Jy ! Clean residual min=-0.001051 max=0.000855 Jy/beam ! Clean residual mean=0.000000 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.07472 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 83 components and 0.07472 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.19 mas, bmaj=2.169 mas, bpa=0.08736 degrees ! Estimated noise=0.214243 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.82176e-06 Jy ! Component: 100 - total flux cleaned = 2.19653e-05 Jy ! Component: 150 - total flux cleaned = 3.3914e-05 Jy ! Component: 200 - total flux cleaned = 2.40531e-05 Jy ! Total flux subtracted in 200 components = 2.40531e-05 Jy ! Clean residual min=-0.001036 max=0.000863 Jy/beam ! Clean residual mean=-0.000000 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.074744 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 94 components and 0.074744 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=0.049543Jy sigma=1.166000 ! Fit after self-cal, rms=0.049544Jy sigma=1.165935 wmodel J2303+3446_X_map.mod ! Writing 94 model components to file: J2303+3446_X_map.mod wobs J2303+3446_X_uvs.fits ! Writing UV FITS file: J2303+3446_X_uvs.fits wwins J2303+3446_X_map.win ! wwins: Wrote 2 windows to J2303+3446_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 = -0.000387802 Jy ! Component: 100 - total flux cleaned = -0.000554559 Jy ! Component: 150 - total flux cleaned = -0.000666135 Jy ! Component: 200 - total flux cleaned = -0.000731059 Jy ! Component: 250 - total flux cleaned = -0.000842475 Jy ! Component: 300 - total flux cleaned = -0.000925664 Jy ! Component: 350 - total flux cleaned = -0.00098332 Jy ! Component: 400 - total flux cleaned = -0.00103909 Jy ! Component: 450 - total flux cleaned = -0.0010932 Jy ! Component: 500 - total flux cleaned = -0.00113518 Jy ! Component: 550 - total flux cleaned = -0.00112472 Jy ! Component: 600 - total flux cleaned = -0.00112489 Jy ! Component: 650 - total flux cleaned = -0.0011248 Jy ! Component: 700 - total flux cleaned = -0.00111525 Jy ! Component: 750 - total flux cleaned = -0.00112497 Jy ! Component: 800 - total flux cleaned = -0.00111583 Jy ! Component: 850 - total flux cleaned = -0.00112478 Jy ! Component: 900 - total flux cleaned = -0.00110685 Jy ! Component: 950 - total flux cleaned = -0.00108072 Jy ! Component: 1000 - total flux cleaned = -0.00109803 Jy ! Component: 1050 - total flux cleaned = -0.00110644 Jy ! Component: 1100 - total flux cleaned = -0.00110637 Jy ! Component: 1150 - total flux cleaned = -0.00112276 Jy ! Component: 1200 - total flux cleaned = -0.00109074 Jy ! Component: 1250 - total flux cleaned = -0.00110683 Jy ! Component: 1300 - total flux cleaned = -0.00109128 Jy ! Component: 1350 - total flux cleaned = -0.00109899 Jy ! Component: 1400 - total flux cleaned = -0.00108374 Jy ! Component: 1450 - total flux cleaned = -0.00106896 Jy ! Component: 1500 - total flux cleaned = -0.00106904 Jy ! Component: 1550 - total flux cleaned = -0.00109104 Jy ! Component: 1600 - total flux cleaned = -0.00111263 Jy ! Component: 1650 - total flux cleaned = -0.00112678 Jy ! Component: 1700 - total flux cleaned = -0.00111269 Jy ! Component: 1750 - total flux cleaned = -0.00110581 Jy ! Component: 1800 - total flux cleaned = -0.00111951 Jy ! Component: 1850 - total flux cleaned = -0.00112632 Jy ! Component: 1900 - total flux cleaned = -0.00113299 Jy ! Component: 1950 - total flux cleaned = -0.00111965 Jy ! Component: 2000 - total flux cleaned = -0.00111968 Jy ! Component: 2050 - total flux cleaned = -0.00112616 Jy ! Component: 2100 - total flux cleaned = -0.00112614 Jy ! Component: 2150 - total flux cleaned = -0.00111979 Jy ! Component: 2200 - total flux cleaned = -0.00110718 Jy ! Component: 2250 - total flux cleaned = -0.00110099 Jy ! Component: 2300 - total flux cleaned = -0.00107005 Jy ! Component: 2350 - total flux cleaned = -0.00105167 Jy ! Component: 2400 - total flux cleaned = -0.00105172 Jy ! Component: 2450 - total flux cleaned = -0.00105174 Jy ! Component: 2500 - total flux cleaned = -0.00102781 Jy ! Component: 2550 - total flux cleaned = -0.00102194 Jy ! Component: 2600 - total flux cleaned = -0.000992596 Jy ! Component: 2650 - total flux cleaned = -0.000992628 Jy ! Component: 2700 - total flux cleaned = -0.000975363 Jy ! Component: 2750 - total flux cleaned = -0.000975425 Jy ! Component: 2800 - total flux cleaned = -0.000975455 Jy ! Component: 2850 - total flux cleaned = -0.000969896 Jy ! Component: 2900 - total flux cleaned = -0.000964306 Jy ! Component: 2950 - total flux cleaned = -0.000947673 Jy ! Component: 3000 - total flux cleaned = -0.000947717 Jy ! Component: 3050 - total flux cleaned = -0.000925905 Jy ! Component: 3100 - total flux cleaned = -0.000898782 Jy ! Component: 3150 - total flux cleaned = -0.000877236 Jy ! Component: 3200 - total flux cleaned = -0.000855836 Jy ! Component: 3250 - total flux cleaned = -0.000845191 Jy ! Component: 3300 - total flux cleaned = -0.000818781 Jy ! Component: 3350 - total flux cleaned = -0.000808283 Jy ! Component: 3400 - total flux cleaned = -0.000782183 Jy ! Component: 3450 - total flux cleaned = -0.000771825 Jy ! Component: 3500 - total flux cleaned = -0.000766704 Jy ! Component: 3550 - total flux cleaned = -0.000751327 Jy ! Component: 3600 - total flux cleaned = -0.00074114 Jy ! Component: 3650 - total flux cleaned = -0.000720837 Jy ! Component: 3700 - total flux cleaned = -0.000700662 Jy ! Component: 3750 - total flux cleaned = -0.000675612 Jy ! Component: 3800 - total flux cleaned = -0.000695564 Jy ! Component: 3850 - total flux cleaned = -0.000685618 Jy ! Component: 3900 - total flux cleaned = -0.000665857 Jy ! Component: 3950 - total flux cleaned = -0.000651131 Jy ! Component: 4000 - total flux cleaned = -0.000641356 Jy ! Component: 4050 - total flux cleaned = -0.000641402 Jy ! Total flux subtracted in 4096 components = -0.000636573 Jy ! Clean residual min=-0.000309 max=0.000306 Jy/beam ! Clean residual mean=0.000000 rms=0.000082 Jy/beam ! Combined flux in latest and established models = 0.0741074 Jy keep ! Adding 247 model components to the UV plane model. ! The established model now contains 341 components and 0.0741075 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2303+3446_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.19 x 2.169 at 0.08736 degrees (North through East) ! Clean map min=-0.00056161 max=0.053388 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2303+3446_X_map.fits wmodel /vlbi/uf001/uva//J2303+3446_X_map.mod ! Writing 341 model components to file: /vlbi/uf001/uva//J2303+3446_X_map.mod wobs /vlbi/uf001/uva//J2303+3446_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2303+3446_X_uvs.fits wwins /vlbi/uf001/uva//J2303+3446_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J2303+3446_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.053388 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 8.10847e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.455635 0.455635 0.91127 1.82254 3.64508 7.29016 14.5803 29.1606 58.3213 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.053 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 658.421 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2303+3446_X_dfm.log closed on Mon Jan 14 06:32:13 2019