! Started logfile: /vlbi/uf001/uva//J1801+0438_X_dfm.log on Mon Jan 14 04:28:33 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//J1801+0438_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1801+0438_X_uva.fits ! AN table 1: 42 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.909392 visibilities/baseline/integration-bin. ! Found source: J1801+0438 ! ! 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 16500 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 J1801+0438_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 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 68 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.011807Jy sigma=22.487355 ! Fit after self-cal, rms=0.890496Jy sigma=19.689569 ! 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=0.6585 mas, bmaj=1.614 mas, bpa=-2.071 degrees ! Estimated noise=0.415261 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 = 0.0823981 Jy ! Component: 100 - total flux cleaned = 0.10907 Jy ! Total flux subtracted in 100 components = 0.10907 Jy ! Clean residual min=-0.009580 max=0.032653 Jy/beam ! Clean residual mean=-0.000003 rms=0.002295 Jy/beam ! Combined flux in latest and established models = 0.10907 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.10907 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=0.078441Jy sigma=1.653697 ! Fit after self-cal, rms=0.078111Jy sigma=1.646981 ! Inverting map ! Added new window around map position (-1, 2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0279482 Jy ! Component: 100 - total flux cleaned = 0.0407517 Jy ! Total flux subtracted in 100 components = 0.0407517 Jy ! Clean residual min=-0.008095 max=0.016293 Jy/beam ! Clean residual mean=-0.000002 rms=0.001427 Jy/beam ! Combined flux in latest and established models = 0.149822 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 10 components and 0.149822 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=0.067601Jy sigma=1.386605 ! Fit after self-cal, rms=0.066023Jy sigma=1.351752 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107112 Jy ! Component: 100 - total flux cleaned = 0.0165063 Jy ! Total flux subtracted in 100 components = 0.0165063 Jy ! Clean residual min=-0.006080 max=0.008431 Jy/beam ! Clean residual mean=-0.000001 rms=0.001109 Jy/beam ! Combined flux in latest and established models = 0.166328 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 18 components and 0.166328 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=0.064018Jy sigma=1.298665 ! Fit after self-cal, rms=0.063776Jy sigma=1.293004 ! Inverting map ! Added new window around map position (-1, -2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.007241 Jy ! Component: 100 - total flux cleaned = 0.0106865 Jy ! Total flux subtracted in 100 components = 0.0106865 Jy ! Clean residual min=-0.005656 max=0.005848 Jy/beam ! Clean residual mean=-0.000001 rms=0.000975 Jy/beam ! Combined flux in latest and established models = 0.177015 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 26 components and 0.177015 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=0.062859Jy sigma=1.270099 ! Fit after self-cal, rms=0.062815Jy sigma=1.268462 ! 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=0.8009 mas, bmaj=1.855 mas, bpa=-2.673 degrees ! Estimated noise=0.273675 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 = 0.00538622 Jy ! Component: 100 - total flux cleaned = 0.00885282 Jy ! Component: 150 - total flux cleaned = 0.0106506 Jy ! Component: 200 - total flux cleaned = 0.0113683 Jy ! Total flux subtracted in 200 components = 0.0113683 Jy ! Clean residual min=-0.005295 max=0.006206 Jy/beam ! Clean residual mean=-0.000001 rms=0.001054 Jy/beam ! Combined flux in latest and established models = 0.188383 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 46 components and 0.188383 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=0.062264Jy sigma=1.254454 ! Fit after self-cal, rms=0.062229Jy sigma=1.252746 ! Inverting map ! Added new window around map position (7, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00549561 Jy ! Component: 100 - total flux cleaned = 0.00834387 Jy ! Component: 150 - total flux cleaned = 0.00999106 Jy ! Component: 200 - total flux cleaned = 0.0108665 Jy ! Total flux subtracted in 200 components = 0.0108665 Jy ! Clean residual min=-0.004780 max=0.005004 Jy/beam ! Clean residual mean=-0.000001 rms=0.000931 Jy/beam ! Combined flux in latest and established models = 0.199249 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 63 components and 0.199249 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=0.061553Jy sigma=1.239546 ! Fit after self-cal, rms=0.061521Jy sigma=1.238445 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8009 x 1.855 at -2.673 degrees (North through East) ! Clean map min=-0.0045532 max=0.098932 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 1.15 KP 0.98 LA 0.98 ! MK 1.05 NL 1.07 OV 0.92 PT 0.93 ! SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.21 KP 1.00 LA 1.00 ! MK 0.99 NL 1.03 OV 0.92 PT 0.94 ! SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.19 KP 1.00 LA 1.00 ! MK 1.01 NL 1.05 OV 0.91 PT 0.95 ! SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 1.16 KP 1.05 LA 1.02 ! MK 0.98 NL 1.05 OV 0.91 PT 0.94 ! SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.19 KP 0.99 LA 0.99 ! MK 0.97 NL 1.05 OV 0.94 PT 0.95 ! SC 1.04 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 1.11 KP 1.03 LA 1.01 ! MK 1.02 NL 1.01 OV 0.93 PT 0.92 ! SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 1.13 KP 1.00 LA 1.00 ! MK 0.98 NL 1.03 OV 0.91 PT 0.95 ! SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 HN 1.17 KP 1.00 LA 1.02 ! MK 1.00 NL 1.08 OV 0.90 PT 0.91 ! SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 HN 1.16 KP 1.02 LA 0.99 ! MK 0.98 NL 1.07 OV 0.94 PT 0.96 ! SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.21 KP 1.02 LA 0.99 ! MK 0.94 NL 1.05 OV 0.92 PT 0.97 ! SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.19 KP 0.99 LA 0.98 ! MK 1.01 NL 1.05 OV 0.92 PT 0.96 ! SC 1.03 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 1.15 KP 0.96 LA 1.02 ! MK 1.00 NL 1.07 OV 0.91 PT 0.94 ! SC 0.99 ! ! ! Fit before self-cal, rms=0.061521Jy sigma=1.238445 ! Fit after self-cal, rms=0.064874Jy sigma=1.215251 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8031 mas, bmaj=1.869 mas, bpa=-2.471 degrees ! Estimated noise=0.280088 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, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00122779 Jy ! Component: 100 - total flux cleaned = 0.00101983 Jy ! Component: 150 - total flux cleaned = 0.000751458 Jy ! Component: 200 - total flux cleaned = 0.000591779 Jy ! Total flux subtracted in 200 components = 0.000591779 Jy ! Clean residual min=-0.003069 max=0.003144 Jy/beam ! Clean residual mean=0.000000 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 0.199841 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 85 components and 0.199841 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=0.064463Jy sigma=1.208273 ! Fit after self-cal, rms=0.064523Jy sigma=1.207625 ! 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=0.064523Jy sigma=1.207625 ! Fit after self-cal, rms=0.067607Jy sigma=1.192843 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8069 mas, bmaj=1.863 mas, bpa=-2.266 degrees ! Estimated noise=0.282895 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000955569 Jy ! Component: 100 - total flux cleaned = -0.00129276 Jy ! Component: 150 - total flux cleaned = -0.0012373 Jy ! Component: 200 - total flux cleaned = -0.00118349 Jy ! Total flux subtracted in 200 components = -0.00118349 Jy ! Clean residual min=-0.001816 max=0.002135 Jy/beam ! Clean residual mean=-0.000001 rms=0.000484 Jy/beam ! Combined flux in latest and established models = 0.198658 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 102 components and 0.198658 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=0.067461Jy sigma=1.190656 ! Fit after self-cal, rms=0.067491Jy sigma=1.190441 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 (12, -16.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00118889 Jy ! Component: 100 - total flux cleaned = 0.00118878 Jy ! Component: 150 - total flux cleaned = 0.00123853 Jy ! Component: 200 - total flux cleaned = 0.00123662 Jy ! Total flux subtracted in 200 components = 0.00123662 Jy ! Clean residual min=-0.001719 max=0.001949 Jy/beam ! Clean residual mean=-0.000001 rms=0.000464 Jy/beam ! Combined flux in latest and established models = 0.199894 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 116 components and 0.199894 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=0.067356Jy sigma=1.189039 ! Fit after self-cal, rms=0.067351Jy sigma=1.188897 ! 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=0.067351Jy sigma=1.188897 ! Fit after self-cal, rms=0.071739Jy sigma=1.182237 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8081 mas, bmaj=1.862 mas, bpa=-2.138 degrees ! Estimated noise=0.284163 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000998274 Jy ! Component: 100 - total flux cleaned = -0.00117375 Jy ! Component: 150 - total flux cleaned = -0.00133218 Jy ! Component: 200 - total flux cleaned = -0.00147644 Jy ! Total flux subtracted in 200 components = -0.00147644 Jy ! Clean residual min=-0.001535 max=0.001622 Jy/beam ! Clean residual mean=-0.000001 rms=0.000373 Jy/beam ! Combined flux in latest and established models = 0.198418 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 123 components and 0.198418 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=0.071679Jy sigma=1.181304 ! Fit after self-cal, rms=0.071707Jy sigma=1.181208 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 (18.2, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00061939 Jy ! Component: 100 - total flux cleaned = 0.000503205 Jy ! Component: 150 - total flux cleaned = 0.000399139 Jy ! Component: 200 - total flux cleaned = 0.000303477 Jy ! Total flux subtracted in 200 components = 0.000303477 Jy ! Clean residual min=-0.001486 max=0.001504 Jy/beam ! Clean residual mean=-0.000001 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 0.198721 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 133 components and 0.198721 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=0.071652Jy sigma=1.180213 ! Fit after self-cal, rms=0.071647Jy sigma=1.180174 ! 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=0.071647Jy sigma=1.180174 ! Fit after self-cal, rms=0.072313Jy sigma=1.180068 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.029 mas, bmaj=3.164 mas, bpa=-1.422 degrees ! Estimated noise=0.36458 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000289863 Jy ! Component: 100 - total flux cleaned = 0.000616561 Jy ! Component: 150 - total flux cleaned = 0.000912105 Jy ! Component: 200 - total flux cleaned = 0.00100464 Jy ! Total flux subtracted in 200 components = 0.00100464 Jy ! Clean residual min=-0.001508 max=0.001718 Jy/beam ! Clean residual mean=-0.000002 rms=0.000451 Jy/beam ! Combined flux in latest and established models = 0.199726 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 158 components and 0.199726 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=0.072306Jy sigma=1.179848 ! Fit after self-cal, rms=0.072306Jy sigma=1.179825 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 = 1.28242e-05 Jy ! Component: 100 - total flux cleaned = 1.42991e-05 Jy ! Component: 150 - total flux cleaned = 1.48522e-05 Jy ! Component: 200 - total flux cleaned = 6.00866e-05 Jy ! Total flux subtracted in 200 components = 6.00866e-05 Jy ! Clean residual min=-0.001472 max=0.001689 Jy/beam ! Clean residual mean=-0.000002 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.199786 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 167 components and 0.199786 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=0.072300Jy sigma=1.179722 ! Fit after self-cal, rms=0.072299Jy sigma=1.179717 ! 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=0.809 mas, bmaj=1.862 mas, bpa=-2.087 degrees ! Estimated noise=0.284253 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.809 x 1.862 at -2.087 degrees (North through East) ! Clean map min=-0.0014095 max=0.10097 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=0.6612 mas, bmaj=1.615 mas, bpa=-1.294 degrees ! Estimated noise=0.434057 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0879018 Jy ! Component: 100 - total flux cleaned = 0.124218 Jy ! Component: 150 - total flux cleaned = 0.144686 Jy ! Component: 200 - total flux cleaned = 0.156628 Jy ! Total flux subtracted in 200 components = 0.156628 Jy ! Clean residual min=-0.004032 max=0.006121 Jy/beam ! Clean residual mean=-0.000002 rms=0.000872 Jy/beam ! Combined flux in latest and established models = 0.156628 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.156628 Jy ! Inverting map and beam ! Estimated beam: bmin=0.809 mas, bmaj=1.862 mas, bpa=-2.087 degrees ! Estimated noise=0.284253 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 = 0.0096001 Jy ! Component: 100 - total flux cleaned = 0.0155231 Jy ! Component: 150 - total flux cleaned = 0.019809 Jy ! Component: 200 - total flux cleaned = 0.0232217 Jy ! Total flux subtracted in 200 components = 0.0232217 Jy ! Clean residual min=-0.002151 max=0.002856 Jy/beam ! Clean residual mean=-0.000002 rms=0.000526 Jy/beam ! Combined flux in latest and established models = 0.179849 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 33 components and 0.179849 Jy ! Inverting map ! Added new window around map position (6.8, -5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00303162 Jy ! Component: 100 - total flux cleaned = 0.00541925 Jy ! Component: 150 - total flux cleaned = 0.00745545 Jy ! Component: 200 - total flux cleaned = 0.00922399 Jy ! Total flux subtracted in 200 components = 0.00922399 Jy ! Clean residual min=-0.001757 max=0.001912 Jy/beam ! Clean residual mean=-0.000001 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.189073 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 60 components and 0.189073 Jy ! Inverting map ! Added new window around map position (-13.2, 15.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00151681 Jy ! Component: 100 - total flux cleaned = 0.00253681 Jy ! Component: 150 - total flux cleaned = 0.00330334 Jy ! Component: 200 - total flux cleaned = 0.00400308 Jy ! Total flux subtracted in 200 components = 0.00400308 Jy ! Clean residual min=-0.001557 max=0.001621 Jy/beam ! Clean residual mean=-0.000001 rms=0.000366 Jy/beam ! Combined flux in latest and established models = 0.193077 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 79 components and 0.193077 Jy ! Inverting map ! Added new window around map position (-27.4, 40.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00138221 Jy ! Component: 100 - total flux cleaned = 0.00195731 Jy ! Component: 150 - total flux cleaned = 0.00237026 Jy ! Component: 200 - total flux cleaned = 0.00271744 Jy ! Total flux subtracted in 200 components = 0.00271744 Jy ! Clean residual min=-0.001508 max=0.001437 Jy/beam ! Clean residual mean=-0.000001 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.195794 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 95 components and 0.195794 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=2.029 mas, bmaj=3.164 mas, bpa=-1.422 degrees ! Estimated noise=0.36458 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00128954 Jy ! Component: 100 - total flux cleaned = 0.00223106 Jy ! Component: 150 - total flux cleaned = 0.00276237 Jy ! Component: 200 - total flux cleaned = 0.00311677 Jy ! Total flux subtracted in 200 components = 0.00311677 Jy ! Clean residual min=-0.001661 max=0.001799 Jy/beam ! Clean residual mean=-0.000002 rms=0.000453 Jy/beam ! Combined flux in latest and established models = 0.198911 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 = 0.000196778 Jy ! Component: 100 - total flux cleaned = 0.00035739 Jy ! Component: 150 - total flux cleaned = 0.00053013 Jy ! Component: 200 - total flux cleaned = 0.000652685 Jy ! Total flux subtracted in 200 components = 0.000652685 Jy ! Clean residual min=-0.001625 max=0.001735 Jy/beam ! Clean residual mean=-0.000002 rms=0.000440 Jy/beam ! Combined flux in latest and established models = 0.199563 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 131 components and 0.199563 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.809 mas, bmaj=1.862 mas, bpa=-2.087 degrees ! Estimated noise=0.284253 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000610816 Jy ! Component: 100 - total flux cleaned = -0.000779902 Jy ! Component: 150 - total flux cleaned = -0.000856894 Jy ! Component: 200 - total flux cleaned = -0.000906297 Jy ! Total flux subtracted in 200 components = -0.000906297 Jy ! Clean residual min=-0.001422 max=0.001464 Jy/beam ! Clean residual mean=-0.000001 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.198657 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 154 components and 0.198657 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=0.072225Jy sigma=1.178335 ! Fit after self-cal, rms=0.072186Jy sigma=1.177998 wmodel J1801+0438_X_map.mod ! Writing 154 model components to file: J1801+0438_X_map.mod wobs J1801+0438_X_uvs.fits ! Writing UV FITS file: J1801+0438_X_uvs.fits wwins J1801+0438_X_map.win ! wwins: Wrote 10 windows to J1801+0438_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 = 0.000308617 Jy ! Component: 100 - total flux cleaned = 0.00040273 Jy ! Component: 150 - total flux cleaned = 0.00047045 Jy ! Component: 200 - total flux cleaned = 0.000491895 Jy ! Component: 250 - total flux cleaned = 0.000575759 Jy ! Component: 300 - total flux cleaned = 0.000616534 Jy ! Component: 350 - total flux cleaned = 0.000656349 Jy ! Component: 400 - total flux cleaned = 0.000694879 Jy ! Component: 450 - total flux cleaned = 0.000752207 Jy ! Component: 500 - total flux cleaned = 0.0007713 Jy ! Component: 550 - total flux cleaned = 0.000882647 Jy ! Component: 600 - total flux cleaned = 0.000937427 Jy ! Component: 650 - total flux cleaned = 0.000990995 Jy ! Component: 700 - total flux cleaned = 0.000990843 Jy ! Component: 750 - total flux cleaned = 0.00106068 Jy ! Component: 800 - total flux cleaned = 0.00106052 Jy ! Component: 850 - total flux cleaned = 0.00109448 Jy ! Component: 900 - total flux cleaned = 0.00109473 Jy ! Component: 950 - total flux cleaned = 0.00117783 Jy ! Component: 1000 - total flux cleaned = 0.0012106 Jy ! Component: 1050 - total flux cleaned = 0.00121045 Jy ! Component: 1100 - total flux cleaned = 0.00119452 Jy ! Component: 1150 - total flux cleaned = 0.0012896 Jy ! Component: 1200 - total flux cleaned = 0.00124282 Jy ! Component: 1250 - total flux cleaned = 0.00128934 Jy ! Component: 1300 - total flux cleaned = 0.00132024 Jy ! Component: 1350 - total flux cleaned = 0.00136555 Jy ! Component: 1400 - total flux cleaned = 0.00138055 Jy ! Component: 1450 - total flux cleaned = 0.00133619 Jy ! Component: 1500 - total flux cleaned = 0.00139523 Jy ! Component: 1550 - total flux cleaned = 0.00133683 Jy ! Component: 1600 - total flux cleaned = 0.00136571 Jy ! Component: 1650 - total flux cleaned = 0.00129396 Jy ! Component: 1700 - total flux cleaned = 0.00129391 Jy ! Component: 1750 - total flux cleaned = 0.00126575 Jy ! Component: 1800 - total flux cleaned = 0.00120995 Jy ! Component: 1850 - total flux cleaned = 0.00120985 Jy ! Component: 1900 - total flux cleaned = 0.00118215 Jy ! Component: 1950 - total flux cleaned = 0.00115483 Jy ! Component: 2000 - total flux cleaned = 0.00116823 Jy ! Component: 2050 - total flux cleaned = 0.00114131 Jy ! Component: 2100 - total flux cleaned = 0.00119477 Jy ! Component: 2150 - total flux cleaned = 0.00108846 Jy ! Component: 2200 - total flux cleaned = 0.00110172 Jy ! Component: 2250 - total flux cleaned = 0.00110186 Jy ! Component: 2300 - total flux cleaned = 0.00107579 Jy ! Component: 2350 - total flux cleaned = 0.00102394 Jy ! Component: 2400 - total flux cleaned = 0.0010497 Jy ! Component: 2450 - total flux cleaned = 0.00102409 Jy ! Component: 2500 - total flux cleaned = 0.000973425 Jy ! Component: 2550 - total flux cleaned = 0.00101116 Jy ! Component: 2600 - total flux cleaned = 0.0009986 Jy ! Component: 2650 - total flux cleaned = 0.000973716 Jy ! Component: 2700 - total flux cleaned = 0.00088708 Jy ! Component: 2750 - total flux cleaned = 0.000911724 Jy ! Component: 2800 - total flux cleaned = 0.000862803 Jy ! Component: 2850 - total flux cleaned = 0.000874978 Jy ! Component: 2900 - total flux cleaned = 0.000838722 Jy ! Component: 2950 - total flux cleaned = 0.000838743 Jy ! Component: 3000 - total flux cleaned = 0.000767208 Jy ! Component: 3050 - total flux cleaned = 0.000790787 Jy ! Component: 3100 - total flux cleaned = 0.000767152 Jy ! Component: 3150 - total flux cleaned = 0.000731946 Jy ! Component: 3200 - total flux cleaned = 0.000755234 Jy ! Component: 3250 - total flux cleaned = 0.0007437 Jy ! Component: 3300 - total flux cleaned = 0.000732218 Jy ! Component: 3350 - total flux cleaned = 0.000732268 Jy ! Component: 3400 - total flux cleaned = 0.000720843 Jy ! Component: 3450 - total flux cleaned = 0.000743529 Jy ! Component: 3500 - total flux cleaned = 0.000720957 Jy ! Component: 3550 - total flux cleaned = 0.000687235 Jy ! Component: 3600 - total flux cleaned = 0.000709618 Jy ! Component: 3650 - total flux cleaned = 0.000709574 Jy ! Component: 3700 - total flux cleaned = 0.000720642 Jy ! Component: 3750 - total flux cleaned = 0.000665602 Jy ! Component: 3800 - total flux cleaned = 0.000698439 Jy ! Component: 3850 - total flux cleaned = 0.000654929 Jy ! Component: 3900 - total flux cleaned = 0.000676587 Jy ! Component: 3950 - total flux cleaned = 0.000665714 Jy ! Component: 4000 - total flux cleaned = 0.000622771 Jy ! Component: 4050 - total flux cleaned = 0.000622731 Jy ! Total flux subtracted in 4096 components = 0.000601475 Jy ! Clean residual min=-0.000757 max=0.000674 Jy/beam ! Clean residual mean=-0.000000 rms=0.000183 Jy/beam ! Combined flux in latest and established models = 0.199259 Jy keep ! Adding 309 model components to the UV plane model. ! The established model now contains 463 components and 0.199259 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1801+0438_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.809 x 1.862 at -2.087 degrees (North through East) ! Clean map min=-0.0010624 max=0.099845 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1801+0438_X_map.fits wmodel /vlbi/uf001/uva//J1801+0438_X_map.mod ! Writing 463 model components to file: /vlbi/uf001/uva//J1801+0438_X_map.mod wobs /vlbi/uf001/uva//J1801+0438_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1801+0438_X_uvs.fits wwins /vlbi/uf001/uva//J1801+0438_X_map.win ! wwins: Wrote 11 windows to /vlbi/uf001/uva//J1801+0438_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.099845 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000182393 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.54803 0.54803 1.09606 2.19212 4.38424 8.76847 17.5369 35.0739 70.1478 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.099 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 547.415 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1801+0438_X_dfm.log closed on Mon Jan 14 04:28:39 2019