! Started logfile: /vlbi/uf001/uva//J1751+2920_X_dfm.log on Mon Jan 14 04:21:40 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//J1751+2920_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1751+2920_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.840741 visibilities/baseline/integration-bin. ! Found source: J1751+2920 ! ! 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 19068 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 J1751+2920_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 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 90 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.011347Jy sigma=22.274577 ! Fit after self-cal, rms=0.848431Jy sigma=18.456080 ! 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=0.7485 mas, bmaj=1.501 mas, bpa=-15.1 degrees ! Estimated noise=0.427635 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 = 0.119057 Jy ! Component: 100 - total flux cleaned = 0.155411 Jy ! Total flux subtracted in 100 components = 0.155411 Jy ! Clean residual min=-0.007837 max=0.015792 Jy/beam ! Clean residual mean=0.000019 rms=0.001843 Jy/beam ! Combined flux in latest and established models = 0.155411 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.155411 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=0.078802Jy sigma=1.542728 ! Fit after self-cal, rms=0.078292Jy sigma=1.535625 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0182224 Jy ! Component: 100 - total flux cleaned = 0.027164 Jy ! Total flux subtracted in 100 components = 0.027164 Jy ! Clean residual min=-0.006053 max=0.007460 Jy/beam ! Clean residual mean=0.000011 rms=0.001343 Jy/beam ! Combined flux in latest and established models = 0.182575 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 0.182575 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=0.074464Jy sigma=1.385961 ! Fit after self-cal, rms=0.074326Jy sigma=1.384022 ! 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=0.951 mas, bmaj=1.739 mas, bpa=-14.17 degrees ! Estimated noise=0.259525 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, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00921431 Jy ! Component: 100 - total flux cleaned = 0.0143107 Jy ! Component: 150 - total flux cleaned = 0.0170751 Jy ! Component: 200 - total flux cleaned = 0.0186165 Jy ! Total flux subtracted in 200 components = 0.0186165 Jy ! Clean residual min=-0.006099 max=0.006620 Jy/beam ! Clean residual mean=0.000012 rms=0.001517 Jy/beam ! Combined flux in latest and established models = 0.201191 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 41 components and 0.201191 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=0.073686Jy sigma=1.341561 ! Fit after self-cal, rms=0.073563Jy sigma=1.339496 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.951 x 1.739 at -14.17 degrees (North through East) ! Clean map min=-0.0060658 max=0.15389 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.02 HN 0.99 KP 1.06 ! LA 0.93 MK 1.05 NL 0.95 OV 0.96 ! PT 0.91 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.04 HN 0.97 KP 1.06 ! LA 0.96 MK 1.02 NL 0.98 OV 0.94 ! PT 0.91 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.05 HN 1.00 KP 1.10 ! LA 0.94 MK 1.00 NL 0.97 OV 0.92 ! PT 0.90 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 HN 0.98 KP 1.07 ! LA 0.92 MK 1.03 NL 0.95 OV 0.96 ! PT 0.90 SC 1.04 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.03 HN 0.96 KP 1.05 ! LA 0.94 MK 1.02 NL 0.98 OV 0.96 ! PT 0.85 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.05 HN 1.00 KP 1.06 ! LA 0.95 MK 1.04 NL 0.96 OV 0.94 ! PT 0.91 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.05 HN 0.98 KP 1.05 ! LA 0.92 MK 1.03 NL 0.97 OV 0.93 ! PT 0.91 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.05 HN 0.96 KP 1.07 ! LA 0.92 MK 1.07 NL 0.97 OV 0.93 ! PT 0.90 SC 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.03 HN 0.99 KP 1.05 ! LA 0.93 MK 1.02 NL 0.97 OV 0.92 ! PT 0.90 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.03 HN 0.97 KP 1.09 ! LA 0.92 MK 1.03 NL 0.98 OV 0.95 ! PT 0.88 SC 1.10 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.04 HN 0.98 KP 1.07 ! LA 0.93 MK 1.05 NL 0.98 OV 0.91 ! PT 0.88 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.03 HN 0.96 KP 1.00 ! LA 0.93 MK 1.04 NL 0.94 OV 0.97 ! PT 0.89 SC 0.97 ! ! ! Fit before self-cal, rms=0.073563Jy sigma=1.339496 ! Fit after self-cal, rms=0.071154Jy sigma=1.298121 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9595 mas, bmaj=1.767 mas, bpa=-14.24 degrees ! Estimated noise=0.256191 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 = -0.00346286 Jy ! Component: 100 - total flux cleaned = -0.00516363 Jy ! Component: 150 - total flux cleaned = -0.00607942 Jy ! Component: 200 - total flux cleaned = -0.00658005 Jy ! Total flux subtracted in 200 components = -0.00658005 Jy ! Clean residual min=-0.004083 max=0.005288 Jy/beam ! Clean residual mean=0.000012 rms=0.001276 Jy/beam ! Combined flux in latest and established models = 0.194611 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 55 components and 0.194611 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=0.070759Jy sigma=1.296933 ! Fit after self-cal, rms=0.070768Jy sigma=1.296342 ! 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=0.070768Jy sigma=1.296342 ! Fit after self-cal, rms=0.089770Jy sigma=1.211875 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9555 mas, bmaj=1.758 mas, bpa=-14.06 degrees ! Estimated noise=0.256085 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000818721 Jy ! Component: 100 - total flux cleaned = 0.000737641 Jy ! Component: 150 - total flux cleaned = 0.000670864 Jy ! Component: 200 - total flux cleaned = 0.000670119 Jy ! Total flux subtracted in 200 components = 0.000670119 Jy ! Clean residual min=-0.001557 max=0.001473 Jy/beam ! Clean residual mean=-0.000001 rms=0.000343 Jy/beam ! Combined flux in latest and established models = 0.195281 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 68 components and 0.195281 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=0.089728Jy sigma=1.210759 ! Fit after self-cal, rms=0.090092Jy sigma=1.209816 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 = -2.53569e-05 Jy ! Component: 100 - total flux cleaned = -2.5891e-05 Jy ! Component: 150 - total flux cleaned = -5.11165e-05 Jy ! Component: 200 - total flux cleaned = -5.05111e-05 Jy ! Total flux subtracted in 200 components = -5.05111e-05 Jy ! Clean residual min=-0.001537 max=0.001425 Jy/beam ! Clean residual mean=-0.000001 rms=0.000336 Jy/beam ! Combined flux in latest and established models = 0.195231 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 73 components and 0.195231 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=0.090068Jy sigma=1.209208 ! Fit after self-cal, rms=0.090058Jy sigma=1.209034 ! 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=0.090058Jy sigma=1.209034 ! Fit after self-cal, rms=0.092068Jy sigma=1.208787 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9525 mas, bmaj=1.758 mas, bpa=-13.96 degrees ! Estimated noise=0.255625 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000273725 Jy ! Component: 100 - total flux cleaned = 0.000193152 Jy ! Component: 150 - total flux cleaned = 0.000147437 Jy ! Component: 200 - total flux cleaned = 0.000147796 Jy ! Total flux subtracted in 200 components = 0.000147796 Jy ! Clean residual min=-0.001503 max=0.001406 Jy/beam ! Clean residual mean=-0.000001 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.195379 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 76 components and 0.195379 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=0.092047Jy sigma=1.208254 ! Fit after self-cal, rms=0.092051Jy sigma=1.208121 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 = 1.07785e-05 Jy ! Component: 100 - total flux cleaned = -1.22464e-05 Jy ! Component: 150 - total flux cleaned = -3.14746e-05 Jy ! Component: 200 - total flux cleaned = -1.34996e-05 Jy ! Total flux subtracted in 200 components = -1.34996e-05 Jy ! Clean residual min=-0.001484 max=0.001385 Jy/beam ! Clean residual mean=-0.000001 rms=0.000319 Jy/beam ! Combined flux in latest and established models = 0.195365 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 78 components and 0.195365 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=0.092037Jy sigma=1.207767 ! Fit after self-cal, rms=0.092033Jy sigma=1.207660 ! 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=0.092033Jy sigma=1.207660 ! Fit after self-cal, rms=0.092070Jy sigma=1.207617 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.155 mas, bmaj=2.608 mas, bpa=-10.22 degrees ! Estimated noise=0.316264 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.69895e-05 Jy ! Component: 100 - total flux cleaned = -5.18448e-05 Jy ! Component: 150 - total flux cleaned = -6.75538e-05 Jy ! Component: 200 - total flux cleaned = -5.47201e-05 Jy ! Total flux subtracted in 200 components = -5.47201e-05 Jy ! Clean residual min=-0.001567 max=0.001332 Jy/beam ! Clean residual mean=-0.000003 rms=0.000386 Jy/beam ! Combined flux in latest and established models = 0.195311 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 85 components and 0.195311 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=0.092067Jy sigma=1.207381 ! Fit after self-cal, rms=0.092065Jy sigma=1.207308 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.13983e-05 Jy ! Component: 100 - total flux cleaned = -3.00673e-05 Jy ! Component: 150 - total flux cleaned = -1.88345e-05 Jy ! Component: 200 - total flux cleaned = -9.59142e-06 Jy ! Total flux subtracted in 200 components = -9.59142e-06 Jy ! Clean residual min=-0.001535 max=0.001331 Jy/beam ! Clean residual mean=-0.000003 rms=0.000385 Jy/beam ! Combined flux in latest and established models = 0.195301 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 88 components and 0.195301 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=0.092060Jy sigma=1.207164 ! Fit after self-cal, rms=0.092058Jy sigma=1.207102 ! 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=0.951 mas, bmaj=1.758 mas, bpa=-13.93 degrees ! Estimated noise=0.255483 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.951 x 1.758 at -13.93 degrees (North through East) ! Clean map min=-0.001355 max=0.15083 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=0.748 mas, bmaj=1.513 mas, bpa=-14.88 degrees ! Estimated noise=0.422349 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.117824 Jy ! Component: 100 - total flux cleaned = 0.157406 Jy ! Component: 150 - total flux cleaned = 0.174341 Jy ! Component: 200 - total flux cleaned = 0.181961 Jy ! Total flux subtracted in 200 components = 0.181961 Jy ! Clean residual min=-0.002797 max=0.003580 Jy/beam ! Clean residual mean=0.000003 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.181961 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 0.181961 Jy ! Inverting map and beam ! Estimated beam: bmin=0.951 mas, bmaj=1.758 mas, bpa=-13.93 degrees ! Estimated noise=0.255483 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 = 0.00590377 Jy ! Component: 100 - total flux cleaned = 0.00908246 Jy ! Component: 150 - total flux cleaned = 0.0105377 Jy ! Component: 200 - total flux cleaned = 0.0110884 Jy ! Total flux subtracted in 200 components = 0.0110884 Jy ! Clean residual min=-0.001383 max=0.001486 Jy/beam ! Clean residual mean=-0.000001 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.193049 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 32 components and 0.193049 Jy ! Inverting map ! Added new window around map position (20.6, -16.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000742865 Jy ! Component: 100 - total flux cleaned = 0.000926358 Jy ! Component: 150 - total flux cleaned = 0.000989316 Jy ! Component: 200 - total flux cleaned = 0.00110163 Jy ! Total flux subtracted in 200 components = 0.00110163 Jy ! Clean residual min=-0.001401 max=0.001345 Jy/beam ! Clean residual mean=-0.000001 rms=0.000309 Jy/beam ! Combined flux in latest and established models = 0.194151 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 50 components and 0.194151 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=2.155 mas, bmaj=2.608 mas, bpa=-10.22 degrees ! Estimated noise=0.316264 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000317824 Jy ! Component: 100 - total flux cleaned = 0.000524343 Jy ! Component: 150 - total flux cleaned = 0.000636705 Jy ! Component: 200 - total flux cleaned = 0.000677719 Jy ! Total flux subtracted in 200 components = 0.000677719 Jy ! Clean residual min=-0.001518 max=0.001315 Jy/beam ! Clean residual mean=-0.000002 rms=0.000377 Jy/beam ! Combined flux in latest and established models = 0.194828 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 = 3.69095e-05 Jy ! Component: 100 - total flux cleaned = 8.23663e-05 Jy ! Component: 150 - total flux cleaned = 0.000114083 Jy ! Component: 200 - total flux cleaned = 0.000153152 Jy ! Total flux subtracted in 200 components = 0.000153152 Jy ! Clean residual min=-0.001511 max=0.001327 Jy/beam ! Clean residual mean=-0.000002 rms=0.000375 Jy/beam ! Combined flux in latest and established models = 0.194981 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 68 components and 0.194981 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.951 mas, bmaj=1.758 mas, bpa=-13.93 degrees ! Estimated noise=0.255483 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000289376 Jy ! Component: 100 - total flux cleaned = -0.00028965 Jy ! Component: 150 - total flux cleaned = -0.000248955 Jy ! Component: 200 - total flux cleaned = -0.000190463 Jy ! Total flux subtracted in 200 components = -0.000190463 Jy ! Clean residual min=-0.001420 max=0.001352 Jy/beam ! Clean residual mean=-0.000001 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.194791 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 82 components and 0.194791 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=0.092025Jy sigma=1.206480 ! Fit after self-cal, rms=0.092010Jy sigma=1.206137 wmodel J1751+2920_X_map.mod ! Writing 82 model components to file: J1751+2920_X_map.mod wobs J1751+2920_X_uvs.fits ! Writing UV FITS file: J1751+2920_X_uvs.fits wwins J1751+2920_X_map.win ! wwins: Wrote 3 windows to J1751+2920_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 = -0.000119082 Jy ! Component: 100 - total flux cleaned = -0.000162945 Jy ! Component: 150 - total flux cleaned = -0.000290616 Jy ! Component: 200 - total flux cleaned = -0.000393361 Jy ! Component: 250 - total flux cleaned = -0.000533311 Jy ! Component: 300 - total flux cleaned = -0.000669545 Jy ! Component: 350 - total flux cleaned = -0.000859482 Jy ! Component: 400 - total flux cleaned = -0.000970915 Jy ! Component: 450 - total flux cleaned = -0.00106232 Jy ! Component: 500 - total flux cleaned = -0.00113419 Jy ! Component: 550 - total flux cleaned = -0.00120464 Jy ! Component: 600 - total flux cleaned = -0.0012742 Jy ! Component: 650 - total flux cleaned = -0.00142723 Jy ! Component: 700 - total flux cleaned = -0.00151064 Jy ! Component: 750 - total flux cleaned = -0.00160997 Jy ! Component: 800 - total flux cleaned = -0.00167517 Jy ! Component: 850 - total flux cleaned = -0.0017723 Jy ! Component: 900 - total flux cleaned = -0.00183616 Jy ! Component: 950 - total flux cleaned = -0.00188359 Jy ! Component: 1000 - total flux cleaned = -0.00194602 Jy ! Component: 1050 - total flux cleaned = -0.00200775 Jy ! Component: 1100 - total flux cleaned = -0.00206875 Jy ! Component: 1150 - total flux cleaned = -0.00211398 Jy ! Component: 1200 - total flux cleaned = -0.00214381 Jy ! Component: 1250 - total flux cleaned = -0.00224777 Jy ! Component: 1300 - total flux cleaned = -0.00226263 Jy ! Component: 1350 - total flux cleaned = -0.00235 Jy ! Component: 1400 - total flux cleaned = -0.00237901 Jy ! Component: 1450 - total flux cleaned = -0.00242198 Jy ! Component: 1500 - total flux cleaned = -0.00245054 Jy ! Component: 1550 - total flux cleaned = -0.00252064 Jy ! Component: 1600 - total flux cleaned = -0.00252068 Jy ! Component: 1650 - total flux cleaned = -0.0025622 Jy ! Component: 1700 - total flux cleaned = -0.00256246 Jy ! Component: 1750 - total flux cleaned = -0.00263029 Jy ! Component: 1800 - total flux cleaned = -0.00264373 Jy ! Component: 1850 - total flux cleaned = -0.00272401 Jy ! Component: 1900 - total flux cleaned = -0.00268434 Jy ! Component: 1950 - total flux cleaned = -0.00272389 Jy ! Component: 2000 - total flux cleaned = -0.00278937 Jy ! Component: 2050 - total flux cleaned = -0.00281521 Jy ! Component: 2100 - total flux cleaned = -0.00280241 Jy ! Component: 2150 - total flux cleaned = -0.00282803 Jy ! Component: 2200 - total flux cleaned = -0.00286603 Jy ! Component: 2250 - total flux cleaned = -0.00289122 Jy ! Component: 2300 - total flux cleaned = -0.00290378 Jy ! Component: 2350 - total flux cleaned = -0.00294115 Jy ! Component: 2400 - total flux cleaned = -0.00292871 Jy ! Component: 2450 - total flux cleaned = -0.00297787 Jy ! Component: 2500 - total flux cleaned = -0.00303868 Jy ! Component: 2550 - total flux cleaned = -0.00301449 Jy ! Component: 2600 - total flux cleaned = -0.0030387 Jy ! Component: 2650 - total flux cleaned = -0.00303882 Jy ! Component: 2700 - total flux cleaned = -0.00309818 Jy ! Component: 2750 - total flux cleaned = -0.00313367 Jy ! Component: 2800 - total flux cleaned = -0.00318057 Jy ! Component: 2850 - total flux cleaned = -0.00312231 Jy ! Component: 2900 - total flux cleaned = -0.00315711 Jy ! Component: 2950 - total flux cleaned = -0.00316853 Jy ! Component: 3000 - total flux cleaned = -0.00320285 Jy ! Component: 3050 - total flux cleaned = -0.00320285 Jy ! Component: 3100 - total flux cleaned = -0.00324806 Jy ! Component: 3150 - total flux cleaned = -0.00328171 Jy ! Component: 3200 - total flux cleaned = -0.00329282 Jy ! Component: 3250 - total flux cleaned = -0.00331504 Jy ! Component: 3300 - total flux cleaned = -0.00331512 Jy ! Component: 3350 - total flux cleaned = -0.00333715 Jy ! Component: 3400 - total flux cleaned = -0.00334797 Jy ! Component: 3450 - total flux cleaned = -0.00333714 Jy ! Component: 3500 - total flux cleaned = -0.00338042 Jy ! Component: 3550 - total flux cleaned = -0.00336967 Jy ! Component: 3600 - total flux cleaned = -0.00338041 Jy ! Component: 3650 - total flux cleaned = -0.00339113 Jy ! Component: 3700 - total flux cleaned = -0.00338053 Jy ! Component: 3750 - total flux cleaned = -0.00338053 Jy ! Component: 3800 - total flux cleaned = -0.00341199 Jy ! Component: 3850 - total flux cleaned = -0.0034433 Jy ! Component: 3900 - total flux cleaned = -0.00344333 Jy ! Component: 3950 - total flux cleaned = -0.00343304 Jy ! Component: 4000 - total flux cleaned = -0.00346382 Jy ! Component: 4050 - total flux cleaned = -0.00343317 Jy ! Total flux subtracted in 4096 components = -0.00348406 Jy ! Clean residual min=-0.000585 max=0.000596 Jy/beam ! Clean residual mean=-0.000000 rms=0.000173 Jy/beam ! Combined flux in latest and established models = 0.191307 Jy keep ! Adding 303 model components to the UV plane model. ! The established model now contains 385 components and 0.191307 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1751+2920_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.951 x 1.758 at -13.93 degrees (North through East) ! Clean map min=-0.0010399 max=0.1506 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1751+2920_X_map.fits wmodel /vlbi/uf001/uva//J1751+2920_X_map.mod ! Writing 385 model components to file: /vlbi/uf001/uva//J1751+2920_X_map.mod wobs /vlbi/uf001/uva//J1751+2920_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1751+2920_X_uvs.fits wwins /vlbi/uf001/uva//J1751+2920_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J1751+2920_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.150602 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000172315 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.343254 0.343254 0.686507 1.37301 2.74603 5.49206 10.9841 21.9682 43.9365 87.8729 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.15 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 873.989 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1751+2920_X_dfm.log closed on Mon Jan 14 04:21:45 2019