! Started logfile: /vlbi/uf001/uva//J0257-1212_X_dfm.log on Sun Jan 13 21:36:16 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//J0257-1212_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0257-1212_X_uva.fits ! AN table 1: 38 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.97193 visibilities/baseline/integration-bin. ! Found source: J0257-1212 ! ! 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 19944 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 J0257-1212_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 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 36 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.031618Jy sigma=23.243298 ! Fit after self-cal, rms=0.780630Jy sigma=17.567135 ! 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=0.6362 mas, bmaj=1.682 mas, bpa=-3.172 degrees ! Estimated noise=0.400378 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 = 0.162286 Jy ! Component: 100 - total flux cleaned = 0.225538 Jy ! Total flux subtracted in 100 components = 0.225538 Jy ! Clean residual min=-0.011122 max=0.029184 Jy/beam ! Clean residual mean=-0.000009 rms=0.002563 Jy/beam ! Combined flux in latest and established models = 0.225538 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.225538 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=0.084692Jy sigma=1.837034 ! Fit after self-cal, rms=0.083381Jy sigma=1.806226 ! Inverting map ! Added new window around map position (-0.6, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0308226 Jy ! Component: 100 - total flux cleaned = 0.0456875 Jy ! Total flux subtracted in 100 components = 0.0456875 Jy ! Clean residual min=-0.006616 max=0.011614 Jy/beam ! Clean residual mean=-0.000007 rms=0.001445 Jy/beam ! Combined flux in latest and established models = 0.271226 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.271226 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=0.068297Jy sigma=1.435891 ! Fit after self-cal, rms=0.068000Jy sigma=1.428441 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00976757 Jy ! Component: 100 - total flux cleaned = 0.0118201 Jy ! Total flux subtracted in 100 components = 0.0118201 Jy ! Clean residual min=-0.005830 max=0.008953 Jy/beam ! Clean residual mean=-0.000006 rms=0.001280 Jy/beam ! Combined flux in latest and established models = 0.283046 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 19 components and 0.283046 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=0.066189Jy sigma=1.382894 ! Fit after self-cal, rms=0.066147Jy sigma=1.382028 ! Inverting map ! Added new window around map position (-1.6, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00762432 Jy ! Component: 100 - total flux cleaned = 0.0108053 Jy ! Total flux subtracted in 100 components = 0.0108053 Jy ! Clean residual min=-0.005291 max=0.006977 Jy/beam ! Clean residual mean=-0.000007 rms=0.001170 Jy/beam ! Combined flux in latest and established models = 0.293851 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 27 components and 0.293851 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=0.065020Jy sigma=1.353566 ! Fit after self-cal, rms=0.064944Jy sigma=1.351567 ! 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=0.8184 mas, bmaj=2.001 mas, bpa=-3.601 degrees ! Estimated noise=0.237801 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 (1.6, 3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00908486 Jy ! Component: 100 - total flux cleaned = 0.0148009 Jy ! Component: 150 - total flux cleaned = 0.0187018 Jy ! Component: 200 - total flux cleaned = 0.020837 Jy ! Total flux subtracted in 200 components = 0.020837 Jy ! Clean residual min=-0.005062 max=0.006428 Jy/beam ! Clean residual mean=-0.000012 rms=0.001224 Jy/beam ! Combined flux in latest and established models = 0.314688 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 49 components and 0.314688 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=0.063490Jy sigma=1.313583 ! Fit after self-cal, rms=0.063415Jy sigma=1.311762 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8184 x 2.001 at -3.601 degrees (North through East) ! Clean map min=-0.0050725 max=0.20742 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.05 HN 0.97 KP 1.00 ! LA 0.99 MK 1.01 NL 1.05 OV 0.92 ! PT 0.95 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.04 HN 1.00 KP 1.02 ! LA 1.00 MK 1.02 NL 1.05 OV 0.91 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.07 HN 1.00 KP 1.03 ! LA 0.99 MK 0.98 NL 1.05 OV 0.92 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.04 HN 1.00 KP 1.00 ! LA 0.99 MK 1.02 NL 1.04 OV 0.91 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.06 HN 1.02 KP 1.01 ! LA 1.00 MK 1.00 NL 1.04 OV 0.91 ! PT 0.93 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.05 HN 0.99 KP 0.99 ! LA 1.00 MK 0.98 NL 1.06 OV 0.92 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 HN 1.01 KP 0.98 ! LA 1.00 MK 0.98 NL 1.05 OV 0.92 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.05 HN 0.97 KP 1.00 ! LA 0.98 MK 0.95 NL 1.05 OV 0.91 ! PT 0.93 SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.04 HN 1.01 KP 0.99 ! LA 1.00 MK 0.93 NL 1.04 OV 0.92 ! PT 0.95 SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.03 HN 0.99 KP 1.03 ! LA 1.00 MK 0.92 NL 1.05 OV 0.92 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.04 HN 0.96 KP 1.01 ! LA 0.98 MK 0.96 NL 1.04 OV 0.91 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 HN 1.02 KP 0.98 ! LA 0.99 MK 0.93 NL 1.04 OV 0.91 ! PT 0.93 SC 0.97 ! ! ! Fit before self-cal, rms=0.063415Jy sigma=1.311762 ! Fit after self-cal, rms=0.060479Jy sigma=1.251938 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8119 mas, bmaj=2.002 mas, bpa=-3.621 degrees ! Estimated noise=0.235391 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 = -0.0012025 Jy ! Component: 100 - total flux cleaned = -0.00169513 Jy ! Component: 150 - total flux cleaned = -0.00216455 Jy ! Component: 200 - total flux cleaned = -0.00256636 Jy ! Total flux subtracted in 200 components = -0.00256636 Jy ! Clean residual min=-0.002237 max=0.002202 Jy/beam ! Clean residual mean=-0.000004 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 0.312122 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 65 components and 0.312122 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=0.060277Jy sigma=1.247004 ! Fit after self-cal, rms=0.060291Jy sigma=1.246727 ! 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=0.060291Jy sigma=1.246727 ! Fit after self-cal, rms=0.060498Jy sigma=1.241089 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8099 mas, bmaj=1.997 mas, bpa=-3.751 degrees ! Estimated noise=0.235036 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00102521 Jy ! Component: 100 - total flux cleaned = -0.00125771 Jy ! Component: 150 - total flux cleaned = -0.00139737 Jy ! Component: 200 - total flux cleaned = -0.00155884 Jy ! Total flux subtracted in 200 components = -0.00155884 Jy ! Clean residual min=-0.001943 max=0.001933 Jy/beam ! Clean residual mean=-0.000003 rms=0.000447 Jy/beam ! Combined flux in latest and established models = 0.310563 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 75 components and 0.310563 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=0.060411Jy sigma=1.238793 ! Fit after self-cal, rms=0.060410Jy sigma=1.238687 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 (-8, 13.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00140305 Jy ! Component: 100 - total flux cleaned = 0.00118562 Jy ! Component: 150 - total flux cleaned = 0.000995517 Jy ! Component: 200 - total flux cleaned = 0.000858041 Jy ! Total flux subtracted in 200 components = 0.000858041 Jy ! Clean residual min=-0.001709 max=0.001725 Jy/beam ! Clean residual mean=-0.000003 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.311421 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 87 components and 0.311421 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=0.060336Jy sigma=1.237176 ! Fit after self-cal, rms=0.060331Jy sigma=1.237101 ! 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=0.060331Jy sigma=1.237101 ! Fit after self-cal, rms=0.060403Jy sigma=1.236721 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8079 mas, bmaj=1.995 mas, bpa=-3.8 degrees ! Estimated noise=0.234793 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000247655 Jy ! Component: 100 - total flux cleaned = -0.000467172 Jy ! Component: 150 - total flux cleaned = -0.000562302 Jy ! Component: 200 - total flux cleaned = -0.000590671 Jy ! Total flux subtracted in 200 components = -0.000590671 Jy ! Clean residual min=-0.001568 max=0.001607 Jy/beam ! Clean residual mean=-0.000003 rms=0.000396 Jy/beam ! Combined flux in latest and established models = 0.31083 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 101 components and 0.31083 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=0.060366Jy sigma=1.235795 ! Fit after self-cal, rms=0.060365Jy sigma=1.235766 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 = -1.79704e-05 Jy ! Component: 100 - total flux cleaned = -1.77418e-05 Jy ! Component: 150 - total flux cleaned = -4.11762e-05 Jy ! Component: 200 - total flux cleaned = -8.56945e-05 Jy ! Total flux subtracted in 200 components = -8.56945e-05 Jy ! Clean residual min=-0.001544 max=0.001566 Jy/beam ! Clean residual mean=-0.000003 rms=0.000387 Jy/beam ! Combined flux in latest and established models = 0.310745 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 112 components and 0.310745 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=0.060347Jy sigma=1.235316 ! Fit after self-cal, rms=0.060345Jy sigma=1.235300 ! 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=0.060345Jy sigma=1.235300 ! Fit after self-cal, rms=0.060368Jy sigma=1.235149 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.138 mas, bmaj=3.967 mas, bpa=0.4516 degrees ! Estimated noise=0.311317 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000395445 Jy ! Component: 100 - total flux cleaned = -0.000361157 Jy ! Component: 150 - total flux cleaned = -0.000305846 Jy ! Component: 200 - total flux cleaned = -0.000255333 Jy ! Total flux subtracted in 200 components = -0.000255333 Jy ! Clean residual min=-0.001862 max=0.002370 Jy/beam ! Clean residual mean=-0.000005 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 0.310489 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 121 components and 0.310489 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=0.060359Jy sigma=1.234875 ! Fit after self-cal, rms=0.060359Jy sigma=1.234856 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 = -2.31294e-05 Jy ! Component: 100 - total flux cleaned = 2.18392e-05 Jy ! Component: 150 - total flux cleaned = 4.30801e-05 Jy ! Component: 200 - total flux cleaned = 6.18242e-05 Jy ! Total flux subtracted in 200 components = 6.18242e-05 Jy ! Clean residual min=-0.001808 max=0.002285 Jy/beam ! Clean residual mean=-0.000005 rms=0.000541 Jy/beam ! Combined flux in latest and established models = 0.310551 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 128 components and 0.310551 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=0.060361Jy sigma=1.234812 ! Fit after self-cal, rms=0.060360Jy sigma=1.234801 ! 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=0.8066 mas, bmaj=1.993 mas, bpa=-3.824 degrees ! Estimated noise=0.234624 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8066 x 1.993 at -3.824 degrees (North through East) ! Clean map min=-0.0017258 max=0.205 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=0.6274 mas, bmaj=1.679 mas, bpa=-3.323 degrees ! Estimated noise=0.392174 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.161016 Jy ! Component: 100 - total flux cleaned = 0.22761 Jy ! Component: 150 - total flux cleaned = 0.258428 Jy ! Component: 200 - total flux cleaned = 0.273842 Jy ! Total flux subtracted in 200 components = 0.273842 Jy ! Clean residual min=-0.004365 max=0.007431 Jy/beam ! Clean residual mean=-0.000003 rms=0.000944 Jy/beam ! Combined flux in latest and established models = 0.273841 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.273841 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8066 mas, bmaj=1.993 mas, bpa=-3.824 degrees ! Estimated noise=0.234624 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 = 0.0126663 Jy ! Component: 100 - total flux cleaned = 0.0200657 Jy ! Component: 150 - total flux cleaned = 0.0249979 Jy ! Component: 200 - total flux cleaned = 0.0284843 Jy ! Total flux subtracted in 200 components = 0.0284843 Jy ! Clean residual min=-0.001951 max=0.002938 Jy/beam ! Clean residual mean=-0.000004 rms=0.000513 Jy/beam ! Combined flux in latest and established models = 0.302326 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 32 components and 0.302326 Jy ! Inverting map ! Added new window around map position (-1, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00294175 Jy ! Component: 100 - total flux cleaned = 0.00472722 Jy ! Component: 150 - total flux cleaned = 0.00592648 Jy ! Component: 200 - total flux cleaned = 0.00671431 Jy ! Total flux subtracted in 200 components = 0.00671431 Jy ! Clean residual min=-0.001599 max=0.001801 Jy/beam ! Clean residual mean=-0.000002 rms=0.000400 Jy/beam ! Combined flux in latest and established models = 0.30904 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 58 components and 0.30904 Jy ! Inverting map ! Added new window around map position (12, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00151079 Jy ! Component: 100 - total flux cleaned = 0.00206916 Jy ! Component: 150 - total flux cleaned = 0.00238888 Jy ! Component: 200 - total flux cleaned = 0.00259827 Jy ! Total flux subtracted in 200 components = 0.00259827 Jy ! Clean residual min=-0.001433 max=0.001484 Jy/beam ! Clean residual mean=-0.000002 rms=0.000367 Jy/beam ! Combined flux in latest and established models = 0.311638 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 72 components and 0.311638 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=2.138 mas, bmaj=3.967 mas, bpa=0.4516 degrees ! Estimated noise=0.311317 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000971604 Jy ! Component: 100 - total flux cleaned = 0.00142748 Jy ! Component: 150 - total flux cleaned = 0.00156155 Jy ! Component: 200 - total flux cleaned = 0.00169824 Jy ! Total flux subtracted in 200 components = 0.00169824 Jy ! Clean residual min=-0.001626 max=0.002140 Jy/beam ! Clean residual mean=-0.000004 rms=0.000475 Jy/beam ! Combined flux in latest and established models = 0.313337 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) ! Added new window around map position (17.2, -29.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00170552 Jy ! Component: 100 - total flux cleaned = 0.0016356 Jy ! Component: 150 - total flux cleaned = 0.00160603 Jy ! Component: 200 - total flux cleaned = 0.0016313 Jy ! Total flux subtracted in 200 components = 0.0016313 Jy ! Clean residual min=-0.001518 max=0.001736 Jy/beam ! Clean residual mean=-0.000004 rms=0.000415 Jy/beam ! Combined flux in latest and established models = 0.314968 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 126 components and 0.314968 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8066 mas, bmaj=1.993 mas, bpa=-3.824 degrees ! Estimated noise=0.234624 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00017224 Jy ! Component: 100 - total flux cleaned = -1.18099e-05 Jy ! Component: 150 - total flux cleaned = 5.98004e-05 Jy ! Component: 200 - total flux cleaned = 9.29261e-05 Jy ! Total flux subtracted in 200 components = 9.29261e-05 Jy ! Clean residual min=-0.001461 max=0.001265 Jy/beam ! Clean residual mean=-0.000002 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.315061 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 150 components and 0.315061 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=0.060302Jy sigma=1.234010 ! Fit after self-cal, rms=0.060286Jy sigma=1.233682 wmodel J0257-1212_X_map.mod ! Writing 150 model components to file: J0257-1212_X_map.mod wobs J0257-1212_X_uvs.fits ! Writing UV FITS file: J0257-1212_X_uvs.fits wwins J0257-1212_X_map.win ! wwins: Wrote 8 windows to J0257-1212_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 = -0.000335163 Jy ! Component: 100 - total flux cleaned = -0.000451248 Jy ! Component: 150 - total flux cleaned = -0.000540483 Jy ! Component: 200 - total flux cleaned = -0.000561538 Jy ! Component: 250 - total flux cleaned = -0.000582384 Jy ! Component: 300 - total flux cleaned = -0.000623247 Jy ! Component: 350 - total flux cleaned = -0.000623719 Jy ! Component: 400 - total flux cleaned = -0.000604569 Jy ! Component: 450 - total flux cleaned = -0.00058601 Jy ! Component: 500 - total flux cleaned = -0.000567529 Jy ! Component: 550 - total flux cleaned = -0.000512506 Jy ! Component: 600 - total flux cleaned = -0.000494332 Jy ! Component: 650 - total flux cleaned = -0.000459025 Jy ! Component: 700 - total flux cleaned = -0.000424497 Jy ! Component: 750 - total flux cleaned = -0.000407638 Jy ! Component: 800 - total flux cleaned = -0.000374045 Jy ! Component: 850 - total flux cleaned = -0.000357532 Jy ! Component: 900 - total flux cleaned = -0.000308343 Jy ! Component: 950 - total flux cleaned = -0.000373068 Jy ! Component: 1000 - total flux cleaned = -0.000324989 Jy ! Component: 1050 - total flux cleaned = -0.000309339 Jy ! Component: 1100 - total flux cleaned = -0.000340653 Jy ! Component: 1150 - total flux cleaned = -0.000356178 Jy ! Component: 1200 - total flux cleaned = -0.000371615 Jy ! Component: 1250 - total flux cleaned = -0.000386687 Jy ! Component: 1300 - total flux cleaned = -0.000342329 Jy ! Component: 1350 - total flux cleaned = -0.000430725 Jy ! Component: 1400 - total flux cleaned = -0.000401703 Jy ! Component: 1450 - total flux cleaned = -0.000488 Jy ! Component: 1500 - total flux cleaned = -0.000459202 Jy ! Component: 1550 - total flux cleaned = -0.000459432 Jy ! Component: 1600 - total flux cleaned = -0.00050133 Jy ! Component: 1650 - total flux cleaned = -0.000500989 Jy ! Component: 1700 - total flux cleaned = -0.000446339 Jy ! Component: 1750 - total flux cleaned = -0.000500447 Jy ! Component: 1800 - total flux cleaned = -0.000513693 Jy ! Component: 1850 - total flux cleaned = -0.000513818 Jy ! Component: 1900 - total flux cleaned = -0.000500594 Jy ! Component: 1950 - total flux cleaned = -0.000513656 Jy ! Component: 2000 - total flux cleaned = -0.000513644 Jy ! Component: 2050 - total flux cleaned = -0.000538998 Jy ! Component: 2100 - total flux cleaned = -0.000513759 Jy ! Component: 2150 - total flux cleaned = -0.00052614 Jy ! Component: 2200 - total flux cleaned = -0.000538484 Jy ! Component: 2250 - total flux cleaned = -0.000575393 Jy ! Component: 2300 - total flux cleaned = -0.000514162 Jy ! Component: 2350 - total flux cleaned = -0.000574963 Jy ! Component: 2400 - total flux cleaned = -0.000574979 Jy ! Component: 2450 - total flux cleaned = -0.000563137 Jy ! Component: 2500 - total flux cleaned = -0.000586845 Jy ! Component: 2550 - total flux cleaned = -0.000586899 Jy ! Component: 2600 - total flux cleaned = -0.000633635 Jy ! Component: 2650 - total flux cleaned = -0.000656715 Jy ! Component: 2700 - total flux cleaned = -0.000610868 Jy ! Component: 2750 - total flux cleaned = -0.000644958 Jy ! Component: 2800 - total flux cleaned = -0.000656343 Jy ! Component: 2850 - total flux cleaned = -0.000656368 Jy ! Component: 2900 - total flux cleaned = -0.000678785 Jy ! Component: 2950 - total flux cleaned = -0.000667637 Jy ! Component: 3000 - total flux cleaned = -0.00065677 Jy ! Component: 3050 - total flux cleaned = -0.000700626 Jy ! Component: 3100 - total flux cleaned = -0.000689728 Jy ! Component: 3150 - total flux cleaned = -0.000711267 Jy ! Component: 3200 - total flux cleaned = -0.000732729 Jy ! Component: 3250 - total flux cleaned = -0.000732585 Jy ! Component: 3300 - total flux cleaned = -0.00072208 Jy ! Component: 3350 - total flux cleaned = -0.000774536 Jy ! Component: 3400 - total flux cleaned = -0.000753655 Jy ! Component: 3450 - total flux cleaned = -0.000774441 Jy ! Component: 3500 - total flux cleaned = -0.000784756 Jy ! Component: 3550 - total flux cleaned = -0.000774635 Jy ! Component: 3600 - total flux cleaned = -0.000784813 Jy ! Component: 3650 - total flux cleaned = -0.000784807 Jy ! Component: 3700 - total flux cleaned = -0.000774678 Jy ! Component: 3750 - total flux cleaned = -0.000804557 Jy ! Component: 3800 - total flux cleaned = -0.000774904 Jy ! Component: 3850 - total flux cleaned = -0.000784739 Jy ! Component: 3900 - total flux cleaned = -0.000794495 Jy ! Component: 3950 - total flux cleaned = -0.000794545 Jy ! Component: 4000 - total flux cleaned = -0.000813803 Jy ! Component: 4050 - total flux cleaned = -0.000842665 Jy ! Total flux subtracted in 4096 components = -0.000823578 Jy ! Clean residual min=-0.000483 max=0.000654 Jy/beam ! Clean residual mean=-0.000001 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.314237 Jy keep ! Adding 290 model components to the UV plane model. ! The established model now contains 440 components and 0.314237 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0257-1212_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8066 x 1.993 at -3.824 degrees (North through East) ! Clean map min=-0.0010093 max=0.20445 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0257-1212_X_map.fits wmodel /vlbi/uf001/uva//J0257-1212_X_map.mod ! Writing 440 model components to file: /vlbi/uf001/uva//J0257-1212_X_map.mod wobs /vlbi/uf001/uva//J0257-1212_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0257-1212_X_uvs.fits wwins /vlbi/uf001/uva//J0257-1212_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J0257-1212_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.204448 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000162451 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.238375 0.238375 0.476749 0.953498 1.907 3.81399 7.62799 15.256 30.5119 61.0239 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.204 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1258.52 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0257-1212_X_dfm.log closed on Sun Jan 13 21:36:21 2019