! Started logfile: /vlbi/uf001/uva//J2157+1014_X_dfm.log on Mon Jan 14 06:04:04 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//J2157+1014_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2157+1014_X_uva.fits ! AN table 1: 42 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.708995 visibilities/baseline/integration-bin. ! Found source: J2157+1014 ! ! 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 12864 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 J2157+1014_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 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 103 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.011998Jy sigma=18.628519 ! Fit after self-cal, rms=0.839856Jy sigma=15.484545 ! 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=0.6525 mas, bmaj=1.536 mas, bpa=-5.89 degrees ! Estimated noise=0.573215 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 = 0.126626 Jy ! Component: 100 - total flux cleaned = 0.155224 Jy ! Total flux subtracted in 100 components = 0.155224 Jy ! Clean residual min=-0.015244 max=0.026271 Jy/beam ! Clean residual mean=0.000025 rms=0.003343 Jy/beam ! Combined flux in latest and established models = 0.155224 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.155224 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=0.106677Jy sigma=1.846950 ! Fit after self-cal, rms=0.106418Jy sigma=1.842524 ! Inverting map ! Added new window around map position (2.4, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0216717 Jy ! Component: 100 - total flux cleaned = 0.0329365 Jy ! Total flux subtracted in 100 components = 0.0329365 Jy ! Clean residual min=-0.012946 max=0.016483 Jy/beam ! Clean residual mean=0.000023 rms=0.002877 Jy/beam ! Combined flux in latest and established models = 0.18816 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 11 components and 0.18816 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=0.101629Jy sigma=1.745155 ! Fit after self-cal, rms=0.101227Jy sigma=1.738774 ! 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=0.8005 mas, bmaj=1.713 mas, bpa=-5.013 degrees ! Estimated noise=0.377255 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 = 0.0117686 Jy ! Component: 100 - total flux cleaned = 0.0190259 Jy ! Component: 150 - total flux cleaned = 0.024156 Jy ! Component: 200 - total flux cleaned = 0.0281121 Jy ! Total flux subtracted in 200 components = 0.0281121 Jy ! Clean residual min=-0.017440 max=0.018453 Jy/beam ! Clean residual mean=0.000061 rms=0.003984 Jy/beam ! Combined flux in latest and established models = 0.216273 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 26 components and 0.216273 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=0.099762Jy sigma=1.707534 ! Fit after self-cal, rms=0.099656Jy sigma=1.706073 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8005 x 1.713 at -5.013 degrees (North through East) ! Clean map min=-0.016434 max=0.16388 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 2.90 HN 1.11 LA 0.74 ! MK 1.03 NL 1.11 OV 1.02 PT 0.91 ! SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 2.62 HN 1.06 LA 0.76 ! MK 1.02 NL 1.04 OV 1.08 PT 0.91 ! SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 2.97 HN 1.08 LA 0.74 ! MK 0.99 NL 1.09 OV 1.00 PT 0.93 ! SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 2.72 HN 1.05 LA 0.76 ! MK 1.02 NL 1.06 OV 1.10 PT 0.96 ! SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 2.87 HN 1.04 LA 0.73 ! MK 0.99 NL 1.04 OV 1.10 PT 0.95 ! SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 2.97 HN 1.04 LA 0.73 ! MK 1.00 NL 1.06 OV 1.03 PT 0.94 ! SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 3.04 HN 1.10 LA 0.75 ! MK 1.00 NL 1.03 OV 1.06 PT 0.91 ! SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 2.99 HN 1.13 LA 0.75 ! MK 1.05 NL 1.09 OV 1.01 PT 0.91 ! SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 2.54 HN 1.13 LA 0.74 ! MK 1.02 NL 1.07 OV 1.08 PT 0.91 ! SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 2.80 HN 1.13 LA 0.73 ! MK 0.98 NL 1.06 OV 1.03 PT 0.96 ! SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 2.49 HN 1.04 LA 0.71 ! MK 1.01 NL 1.09 OV 1.10 PT 0.94 ! SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 2.55 HN 1.04 LA 0.76 ! MK 0.99 NL 1.06 OV 1.02 PT 0.89 ! SC 1.02 ! ! ! Fit before self-cal, rms=0.099656Jy sigma=1.706073 ! Fit after self-cal, rms=0.112311Jy sigma=1.421525 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7997 mas, bmaj=1.713 mas, bpa=-4.207 degrees ! Estimated noise=0.37321 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 = -0.00190395 Jy ! Component: 100 - total flux cleaned = -0.00298381 Jy ! Component: 150 - total flux cleaned = -0.00390036 Jy ! Component: 200 - total flux cleaned = -0.00469902 Jy ! Total flux subtracted in 200 components = -0.00469902 Jy ! Clean residual min=-0.006475 max=0.006829 Jy/beam ! Clean residual mean=-0.000020 rms=0.001506 Jy/beam ! Combined flux in latest and established models = 0.211574 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 38 components and 0.211574 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=0.111981Jy sigma=1.415700 ! Fit after self-cal, rms=0.112656Jy sigma=1.410904 ! 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=0.112656Jy sigma=1.410904 ! Fit after self-cal, rms=0.118235Jy sigma=1.354636 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.796 mas, bmaj=1.706 mas, bpa=-4.245 degrees ! Estimated noise=0.376623 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00123461 Jy ! Component: 100 - total flux cleaned = 0.00133861 Jy ! Component: 150 - total flux cleaned = 0.00117668 Jy ! Component: 200 - total flux cleaned = 0.0010435 Jy ! Total flux subtracted in 200 components = 0.0010435 Jy ! Clean residual min=-0.003251 max=0.003744 Jy/beam ! Clean residual mean=0.000001 rms=0.000731 Jy/beam ! Combined flux in latest and established models = 0.212617 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 43 components and 0.212617 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=0.118069Jy sigma=1.350996 ! Fit after self-cal, rms=0.118256Jy sigma=1.349953 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 (1, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00277065 Jy ! Component: 100 - total flux cleaned = 0.00278206 Jy ! Component: 150 - total flux cleaned = 0.00272014 Jy ! Component: 200 - total flux cleaned = 0.00242888 Jy ! Total flux subtracted in 200 components = 0.00242888 Jy ! Clean residual min=-0.002894 max=0.003398 Jy/beam ! Clean residual mean=-0.000001 rms=0.000661 Jy/beam ! Combined flux in latest and established models = 0.215046 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 59 components and 0.215046 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=0.118100Jy sigma=1.346864 ! Fit after self-cal, rms=0.118069Jy sigma=1.346432 ! Inverting map ! Added new window around map position (11.4, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00313717 Jy ! Component: 100 - total flux cleaned = 0.00455455 Jy ! Component: 150 - total flux cleaned = 0.00480017 Jy ! Component: 200 - total flux cleaned = 0.00490371 Jy ! Total flux subtracted in 200 components = 0.00490371 Jy ! Clean residual min=-0.002438 max=0.002517 Jy/beam ! Clean residual mean=-0.000004 rms=0.000583 Jy/beam ! Combined flux in latest and established models = 0.21995 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 76 components and 0.21995 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=0.117942Jy sigma=1.343693 ! Fit after self-cal, rms=0.117925Jy sigma=1.343415 ! Inverting map ! Added new window around map position (-4.2, 17.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000916818 Jy ! Component: 100 - total flux cleaned = 0.00129942 Jy ! Component: 150 - total flux cleaned = 0.00151368 Jy ! Component: 200 - total flux cleaned = 0.00156356 Jy ! Total flux subtracted in 200 components = 0.00156356 Jy ! Clean residual min=-0.002334 max=0.002302 Jy/beam ! Clean residual mean=-0.000003 rms=0.000544 Jy/beam ! Combined flux in latest and established models = 0.221513 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 95 components and 0.221513 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=0.117842Jy sigma=1.341692 ! Fit after self-cal, rms=0.117840Jy sigma=1.341560 ! 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=0.117840Jy sigma=1.341560 ! Fit after self-cal, rms=0.119678Jy sigma=1.340292 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7916 mas, bmaj=1.704 mas, bpa=-4.313 degrees ! Estimated noise=0.376332 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000726584 Jy ! Component: 100 - total flux cleaned = 0.00109565 Jy ! Component: 150 - total flux cleaned = 0.00132341 Jy ! Component: 200 - total flux cleaned = 0.00136613 Jy ! Total flux subtracted in 200 components = 0.00136613 Jy ! Clean residual min=-0.002081 max=0.002067 Jy/beam ! Clean residual mean=-0.000000 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.222879 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 109 components and 0.222879 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=0.119619Jy sigma=1.339298 ! Fit after self-cal, rms=0.119642Jy sigma=1.339216 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 = 0.000618805 Jy ! Component: 100 - total flux cleaned = 0.00069262 Jy ! Component: 150 - total flux cleaned = 0.000728549 Jy ! Component: 200 - total flux cleaned = 0.00076165 Jy ! Total flux subtracted in 200 components = 0.00076165 Jy ! Clean residual min=-0.002031 max=0.002035 Jy/beam ! Clean residual mean=-0.000001 rms=0.000478 Jy/beam ! Combined flux in latest and established models = 0.223641 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 120 components and 0.223641 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=0.119613Jy sigma=1.338768 ! Fit after self-cal, rms=0.119611Jy sigma=1.338742 ! 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=0.119611Jy sigma=1.338742 ! Fit after self-cal, rms=0.120354Jy sigma=1.338543 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.959 mas, bmaj=2.802 mas, bpa=-0.9341 degrees ! Estimated noise=0.515739 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00095118 Jy ! Component: 100 - total flux cleaned = 0.00126592 Jy ! Component: 150 - total flux cleaned = 0.00135426 Jy ! Component: 200 - total flux cleaned = 0.00140795 Jy ! Total flux subtracted in 200 components = 0.00140795 Jy ! Clean residual min=-0.002647 max=0.002511 Jy/beam ! Clean residual mean=-0.000004 rms=0.000629 Jy/beam ! Combined flux in latest and established models = 0.225049 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 134 components and 0.225049 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=0.120334Jy sigma=1.338570 ! Fit after self-cal, rms=0.120340Jy sigma=1.338538 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 = 0.000291307 Jy ! Component: 100 - total flux cleaned = 0.000337746 Jy ! Component: 150 - total flux cleaned = 0.000380299 Jy ! Component: 200 - total flux cleaned = 0.000420855 Jy ! Total flux subtracted in 200 components = 0.000420855 Jy ! Clean residual min=-0.002527 max=0.002525 Jy/beam ! Clean residual mean=-0.000005 rms=0.000625 Jy/beam ! Combined flux in latest and established models = 0.22547 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 145 components and 0.22547 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=0.120331Jy sigma=1.338604 ! Fit after self-cal, rms=0.120330Jy sigma=1.338589 ! 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=0.7903 mas, bmaj=1.703 mas, bpa=-4.3 degrees ! Estimated noise=0.376648 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7903 x 1.703 at -4.3 degrees (North through East) ! Clean map min=-0.0018661 max=0.16169 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=0.6439 mas, bmaj=1.516 mas, bpa=-4.956 degrees ! Estimated noise=0.573556 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.126099 Jy ! Component: 100 - total flux cleaned = 0.158854 Jy ! Component: 150 - total flux cleaned = 0.175955 Jy ! Component: 200 - total flux cleaned = 0.185832 Jy ! Total flux subtracted in 200 components = 0.185832 Jy ! Clean residual min=-0.004429 max=0.005057 Jy/beam ! Clean residual mean=0.000004 rms=0.001045 Jy/beam ! Combined flux in latest and established models = 0.185832 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.185832 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7903 mas, bmaj=1.703 mas, bpa=-4.3 degrees ! Estimated noise=0.376648 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 = 0.010446 Jy ! Component: 100 - total flux cleaned = 0.0169115 Jy ! Component: 150 - total flux cleaned = 0.0216034 Jy ! Component: 200 - total flux cleaned = 0.0253692 Jy ! Total flux subtracted in 200 components = 0.0253692 Jy ! Clean residual min=-0.003059 max=0.002736 Jy/beam ! Clean residual mean=0.000007 rms=0.000694 Jy/beam ! Combined flux in latest and established models = 0.211201 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 36 components and 0.211201 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=1.959 mas, bmaj=2.802 mas, bpa=-0.9341 degrees ! Estimated noise=0.515739 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00513835 Jy ! Component: 100 - total flux cleaned = 0.00813146 Jy ! Component: 150 - total flux cleaned = 0.0101524 Jy ! Component: 200 - total flux cleaned = 0.0115921 Jy ! Total flux subtracted in 200 components = 0.0115921 Jy ! Clean residual min=-0.003059 max=0.002877 Jy/beam ! Clean residual mean=0.000004 rms=0.000694 Jy/beam ! Combined flux in latest and established models = 0.222793 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000731615 Jy ! Component: 100 - total flux cleaned = 0.00119349 Jy ! Component: 150 - total flux cleaned = 0.00148941 Jy ! Component: 200 - total flux cleaned = 0.00178753 Jy ! Total flux subtracted in 200 components = 0.00178753 Jy ! Clean residual min=-0.002852 max=0.002675 Jy/beam ! Clean residual mean=0.000000 rms=0.000645 Jy/beam ! Combined flux in latest and established models = 0.22458 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 92 components and 0.22458 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7903 mas, bmaj=1.703 mas, bpa=-4.3 degrees ! Estimated noise=0.376648 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000168162 Jy ! Component: 100 - total flux cleaned = 0.000359307 Jy ! Component: 150 - total flux cleaned = 0.000414281 Jy ! Component: 200 - total flux cleaned = 0.000464021 Jy ! Total flux subtracted in 200 components = 0.000464021 Jy ! Clean residual min=-0.002166 max=0.002179 Jy/beam ! Clean residual mean=-0.000001 rms=0.000492 Jy/beam ! Combined flux in latest and established models = 0.225044 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 115 components and 0.225044 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=0.120365Jy sigma=1.339867 ! Fit after self-cal, rms=0.120361Jy sigma=1.339526 wmodel J2157+1014_X_map.mod ! Writing 115 model components to file: J2157+1014_X_map.mod wobs J2157+1014_X_uvs.fits ! Writing UV FITS file: J2157+1014_X_uvs.fits wwins J2157+1014_X_map.win ! wwins: Wrote 5 windows to J2157+1014_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 = 0.000323941 Jy ! Component: 100 - total flux cleaned = 0.000250683 Jy ! Component: 150 - total flux cleaned = 0.000317787 Jy ! Component: 200 - total flux cleaned = 0.000415508 Jy ! Component: 250 - total flux cleaned = 0.000510231 Jy ! Component: 300 - total flux cleaned = 0.000694844 Jy ! Component: 350 - total flux cleaned = 0.000815317 Jy ! Component: 400 - total flux cleaned = 0.0010219 Jy ! Component: 450 - total flux cleaned = 0.00113782 Jy ! Component: 500 - total flux cleaned = 0.00133633 Jy ! Component: 550 - total flux cleaned = 0.00139149 Jy ! Component: 600 - total flux cleaned = 0.0014458 Jy ! Component: 650 - total flux cleaned = 0.0015805 Jy ! Component: 700 - total flux cleaned = 0.00160707 Jy ! Component: 750 - total flux cleaned = 0.00173789 Jy ! Component: 800 - total flux cleaned = 0.00181514 Jy ! Component: 850 - total flux cleaned = 0.00194187 Jy ! Component: 900 - total flux cleaned = 0.00194168 Jy ! Component: 950 - total flux cleaned = 0.00194191 Jy ! Component: 1000 - total flux cleaned = 0.00201546 Jy ! Component: 1050 - total flux cleaned = 0.00201556 Jy ! Component: 1100 - total flux cleaned = 0.00206345 Jy ! Component: 1150 - total flux cleaned = 0.00201671 Jy ! Component: 1200 - total flux cleaned = 0.00210948 Jy ! Component: 1250 - total flux cleaned = 0.00208617 Jy ! Component: 1300 - total flux cleaned = 0.00206349 Jy ! Component: 1350 - total flux cleaned = 0.00204088 Jy ! Component: 1400 - total flux cleaned = 0.00204087 Jy ! Component: 1450 - total flux cleaned = 0.00201881 Jy ! Component: 1500 - total flux cleaned = 0.00193191 Jy ! Component: 1550 - total flux cleaned = 0.00191088 Jy ! Component: 1600 - total flux cleaned = 0.0019324 Jy ! Component: 1650 - total flux cleaned = 0.00189013 Jy ! Component: 1700 - total flux cleaned = 0.00180634 Jy ! Component: 1750 - total flux cleaned = 0.00178561 Jy ! Component: 1800 - total flux cleaned = 0.00180618 Jy ! Component: 1850 - total flux cleaned = 0.0017856 Jy ! Component: 1900 - total flux cleaned = 0.00170514 Jy ! Component: 1950 - total flux cleaned = 0.00166527 Jy ! Component: 2000 - total flux cleaned = 0.00164556 Jy ! Component: 2050 - total flux cleaned = 0.0016649 Jy ! Component: 2100 - total flux cleaned = 0.00158744 Jy ! Component: 2150 - total flux cleaned = 0.00154875 Jy ! Component: 2200 - total flux cleaned = 0.00154888 Jy ! Component: 2250 - total flux cleaned = 0.00154881 Jy ! Component: 2300 - total flux cleaned = 0.00143621 Jy ! Component: 2350 - total flux cleaned = 0.00149205 Jy ! Component: 2400 - total flux cleaned = 0.00138138 Jy ! Component: 2450 - total flux cleaned = 0.00145474 Jy ! Component: 2500 - total flux cleaned = 0.00134578 Jy ! Component: 2550 - total flux cleaned = 0.00132775 Jy ! Component: 2600 - total flux cleaned = 0.00132772 Jy ! Component: 2650 - total flux cleaned = 0.00123889 Jy ! Component: 2700 - total flux cleaned = 0.00127406 Jy ! Component: 2750 - total flux cleaned = 0.00115152 Jy ! Component: 2800 - total flux cleaned = 0.00113399 Jy ! Component: 2850 - total flux cleaned = 0.00109932 Jy ! Component: 2900 - total flux cleaned = 0.00101382 Jy ! Component: 2950 - total flux cleaned = 0.000996722 Jy ! Component: 3000 - total flux cleaned = 0.000996747 Jy ! Component: 3050 - total flux cleaned = 0.000979907 Jy ! Component: 3100 - total flux cleaned = 0.000929992 Jy ! Component: 3150 - total flux cleaned = 0.000897092 Jy ! Component: 3200 - total flux cleaned = 0.000897182 Jy ! Component: 3250 - total flux cleaned = 0.000897021 Jy ! Component: 3300 - total flux cleaned = 0.000832426 Jy ! Component: 3350 - total flux cleaned = 0.000864542 Jy ! Component: 3400 - total flux cleaned = 0.000832445 Jy ! Component: 3450 - total flux cleaned = 0.000753229 Jy ! Component: 3500 - total flux cleaned = 0.000753275 Jy ! Component: 3550 - total flux cleaned = 0.000690626 Jy ! Component: 3600 - total flux cleaned = 0.000690696 Jy ! Component: 3650 - total flux cleaned = 0.000690671 Jy ! Component: 3700 - total flux cleaned = 0.000675373 Jy ! Component: 3750 - total flux cleaned = 0.000629616 Jy ! Component: 3800 - total flux cleaned = 0.000660015 Jy ! Component: 3850 - total flux cleaned = 0.00064488 Jy ! Component: 3900 - total flux cleaned = 0.000570006 Jy ! Component: 3950 - total flux cleaned = 0.000555083 Jy ! Component: 4000 - total flux cleaned = 0.000540338 Jy ! Component: 4050 - total flux cleaned = 0.00051091 Jy ! Total flux subtracted in 4096 components = 0.00049638 Jy ! Clean residual min=-0.001002 max=0.000789 Jy/beam ! Clean residual mean=0.000001 rms=0.000253 Jy/beam ! Combined flux in latest and established models = 0.225541 Jy keep ! Adding 300 model components to the UV plane model. ! The established model now contains 415 components and 0.225541 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2157+1014_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7903 x 1.703 at -4.3 degrees (North through East) ! Clean map min=-0.0015821 max=0.16182 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2157+1014_X_map.fits wmodel /vlbi/uf001/uva//J2157+1014_X_map.mod ! Writing 415 model components to file: /vlbi/uf001/uva//J2157+1014_X_map.mod wobs /vlbi/uf001/uva//J2157+1014_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2157+1014_X_uvs.fits wwins /vlbi/uf001/uva//J2157+1014_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J2157+1014_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.161818 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000251814 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.466846 0.466846 0.933692 1.86738 3.73477 7.46953 14.9391 29.8781 59.7563 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.161 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 642.61 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2157+1014_X_dfm.log closed on Mon Jan 14 06:04:09 2019