! Started logfile: /vlbi/bs262/maps//J0837+5825_X_20180429_dfm.log on Mon Jun 4 23:27:38 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/bs262/maps//J0837+5825_X_20180429_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0837+5825_X_20180429_uva.fits ! AN table 1: 21 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.952381 visibilities/baseline/integration-bin. ! Found source: J0837+5825 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 76 lines of history. ! ! Reading 4480 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 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 J0837+5825_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 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.088084Jy sigma=27.472998 ! Fit after self-cal, rms=0.599837Jy sigma=14.985206 ! 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=0.7509 mas, bmaj=2.89 mas, bpa=-11.52 degrees ! Estimated noise=0.723226 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 = 0.29034 Jy ! Component: 100 - total flux cleaned = 0.407497 Jy ! Total flux subtracted in 100 components = 0.407497 Jy ! Clean residual min=-0.024823 max=0.055386 Jy/beam ! Clean residual mean=0.000050 rms=0.008045 Jy/beam ! Combined flux in latest and established models = 0.407497 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.407497 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. ! ! Fit before self-cal, rms=0.143776Jy sigma=3.403746 ! Fit after self-cal, rms=0.142608Jy sigma=3.384247 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0639592 Jy ! Component: 100 - total flux cleaned = 0.100425 Jy ! Total flux subtracted in 100 components = 0.100425 Jy ! Clean residual min=-0.015460 max=0.021566 Jy/beam ! Clean residual mean=0.000031 rms=0.004427 Jy/beam ! Combined flux in latest and established models = 0.507923 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 14 components and 0.507923 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. ! ! Fit before self-cal, rms=0.094191Jy sigma=2.023799 ! Fit after self-cal, rms=0.093871Jy sigma=2.018915 ! 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=0.9517 mas, bmaj=2.953 mas, bpa=-11.62 degrees ! Estimated noise=0.430724 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 = 0.0353816 Jy ! Component: 100 - total flux cleaned = 0.0515454 Jy ! Component: 150 - total flux cleaned = 0.051559 Jy ! Component: 200 - total flux cleaned = 0.051622 Jy ! Total flux subtracted in 200 components = 0.051622 Jy ! Clean residual min=-0.013904 max=0.019308 Jy/beam ! Clean residual mean=0.000015 rms=0.003899 Jy/beam ! Combined flux in latest and established models = 0.559545 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 23 components and 0.559545 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. ! ! Fit before self-cal, rms=0.078928Jy sigma=1.596819 ! Fit after self-cal, rms=0.078837Jy sigma=1.596313 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9517 x 2.953 at -11.62 degrees (North through East) ! Clean map min=-0.013519 max=0.41704 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.99 HN 1.01 KP 0.95 ! LA 0.96 MK 0.97 NL 1.07 OV 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.00 HN 1.00 KP 0.95 ! LA 0.97 MK 0.97 NL 1.08 OV 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.99 HN 1.00 KP 0.95 ! LA 0.97 MK 0.96 NL 1.08 OV 1.03 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.99 HN 1.02 KP 0.95 ! LA 0.97 MK 0.99 NL 1.09 OV 1.04 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.99 HN 1.01 KP 0.95 ! LA 0.98 MK 1.00 NL 1.09 OV 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.01 HN 1.03 KP 0.96 ! LA 0.97 MK 1.00 NL 1.10 OV 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.01 HN 1.03 KP 0.96 ! LA 0.98 MK 1.00 NL 1.09 OV 1.05 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.00 HN 1.02 KP 0.95 ! LA 0.99 MK 0.98 NL 1.12 OV 1.05 ! ! ! Fit before self-cal, rms=0.078837Jy sigma=1.596313 ! Fit after self-cal, rms=0.070312Jy sigma=1.336977 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9556 mas, bmaj=2.905 mas, bpa=-11.35 degrees ! Estimated noise=0.42567 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 (4.2, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0104882 Jy ! Component: 100 - total flux cleaned = 0.0133132 Jy ! Component: 150 - total flux cleaned = 0.01348 Jy ! Component: 200 - total flux cleaned = 0.0131639 Jy ! Total flux subtracted in 200 components = 0.0131639 Jy ! Clean residual min=-0.005962 max=0.008736 Jy/beam ! Clean residual mean=0.000003 rms=0.001554 Jy/beam ! Combined flux in latest and established models = 0.572709 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 46 components and 0.572709 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. ! ! Fit before self-cal, rms=0.068605Jy sigma=1.275635 ! Fit after self-cal, rms=0.068639Jy sigma=1.274601 ! Inverting map ! Added new window around map position (-10.4, 13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00444082 Jy ! Component: 100 - total flux cleaned = 0.00536499 Jy ! Component: 150 - total flux cleaned = 0.00598984 Jy ! Component: 200 - total flux cleaned = 0.00626897 Jy ! Total flux subtracted in 200 components = 0.00626897 Jy ! Clean residual min=-0.005463 max=0.005772 Jy/beam ! Clean residual mean=0.000003 rms=0.001265 Jy/beam ! Combined flux in latest and established models = 0.578978 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 70 components and 0.578978 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. ! ! Fit before self-cal, rms=0.067277Jy sigma=1.241629 ! Fit after self-cal, rms=0.067132Jy sigma=1.238766 ! 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. ! ! Fit before self-cal, rms=0.067132Jy sigma=1.238766 ! Fit after self-cal, rms=0.066877Jy sigma=1.236752 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9563 mas, bmaj=2.904 mas, bpa=-11.37 degrees ! Estimated noise=0.424866 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00113205 Jy ! Component: 100 - total flux cleaned = 0.00136532 Jy ! Component: 150 - total flux cleaned = 0.00114409 Jy ! Component: 200 - total flux cleaned = 0.000947085 Jy ! Total flux subtracted in 200 components = 0.000947085 Jy ! Clean residual min=-0.005292 max=0.005260 Jy/beam ! Clean residual mean=0.000001 rms=0.001131 Jy/beam ! Combined flux in latest and established models = 0.579925 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 89 components and 0.579925 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. ! ! Fit before self-cal, rms=0.066387Jy sigma=1.226296 ! Fit after self-cal, rms=0.066333Jy sigma=1.225724 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 (-41.6, 45). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00268665 Jy ! Component: 100 - total flux cleaned = 0.00243042 Jy ! Component: 150 - total flux cleaned = 0.00253129 Jy ! Component: 200 - total flux cleaned = 0.00252501 Jy ! Total flux subtracted in 200 components = 0.00252501 Jy ! Clean residual min=-0.004900 max=0.004503 Jy/beam ! Clean residual mean=0.000002 rms=0.001026 Jy/beam ! Combined flux in latest and established models = 0.58245 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 110 components and 0.58245 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. ! ! Fit before self-cal, rms=0.065564Jy sigma=1.211460 ! Fit after self-cal, rms=0.065484Jy sigma=1.209968 ! 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. ! ! Fit before self-cal, rms=0.065484Jy sigma=1.209968 ! Fit after self-cal, rms=0.065442Jy sigma=1.201795 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9566 mas, bmaj=2.902 mas, bpa=-11.38 degrees ! Estimated noise=0.425512 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00179343 Jy ! Component: 100 - total flux cleaned = 0.00187828 Jy ! Component: 150 - total flux cleaned = 0.00228567 Jy ! Component: 200 - total flux cleaned = 0.00236231 Jy ! Total flux subtracted in 200 components = 0.00236231 Jy ! Clean residual min=-0.004226 max=0.003977 Jy/beam ! Clean residual mean=0.000002 rms=0.000914 Jy/beam ! Combined flux in latest and established models = 0.584812 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 123 components and 0.584812 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. ! ! Fit before self-cal, rms=0.065141Jy sigma=1.196465 ! Fit after self-cal, rms=0.065108Jy sigma=1.196073 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00038344 Jy ! Component: 100 - total flux cleaned = 0.000530574 Jy ! Component: 150 - total flux cleaned = 0.000672712 Jy ! Component: 200 - total flux cleaned = 0.000471629 Jy ! Total flux subtracted in 200 components = 0.000471629 Jy ! Clean residual min=-0.004145 max=0.003776 Jy/beam ! Clean residual mean=0.000002 rms=0.000879 Jy/beam ! Combined flux in latest and established models = 0.585284 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 132 components and 0.585284 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. ! ! Fit before self-cal, rms=0.064900Jy sigma=1.192625 ! Fit after self-cal, rms=0.064878Jy sigma=1.192460 ! 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. ! ! Fit before self-cal, rms=0.064878Jy sigma=1.192460 ! Fit after self-cal, rms=0.064716Jy sigma=1.187480 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.996 mas, bmaj=3.03 mas, bpa=-15.09 degrees ! Estimated noise=0.519572 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000816953 Jy ! Component: 100 - total flux cleaned = 0.000817513 Jy ! Component: 150 - total flux cleaned = 0.000604973 Jy ! Component: 200 - total flux cleaned = 0.000317022 Jy ! Total flux subtracted in 200 components = 0.000317022 Jy ! Clean residual min=-0.003639 max=0.003213 Jy/beam ! Clean residual mean=0.000002 rms=0.000843 Jy/beam ! Combined flux in latest and established models = 0.585601 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 151 components and 0.585601 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. ! ! Fit before self-cal, rms=0.064606Jy sigma=1.186623 ! Fit after self-cal, rms=0.064603Jy sigma=1.186482 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000353442 Jy ! Component: 100 - total flux cleaned = 1.26797e-05 Jy ! Component: 150 - total flux cleaned = -0.000148513 Jy ! Component: 200 - total flux cleaned = -0.000264247 Jy ! Total flux subtracted in 200 components = -0.000264247 Jy ! Clean residual min=-0.003427 max=0.003062 Jy/beam ! Clean residual mean=0.000002 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 0.585337 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 166 components and 0.585337 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. ! ! Fit before self-cal, rms=0.064541Jy sigma=1.186210 ! Fit after self-cal, rms=0.064536Jy sigma=1.186158 ! 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=0.9559 mas, bmaj=2.9 mas, bpa=-11.4 degrees ! Estimated noise=0.425331 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9559 x 2.9 at -11.4 degrees (North through East) ! Clean map min=-0.0040051 max=0.41105 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=0.7535 mas, bmaj=2.841 mas, bpa=-11.38 degrees ! Estimated noise=0.715298 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.287242 Jy ! Component: 100 - total flux cleaned = 0.404072 Jy ! Component: 150 - total flux cleaned = 0.465713 Jy ! Component: 200 - total flux cleaned = 0.50102 Jy ! Total flux subtracted in 200 components = 0.50102 Jy ! Clean residual min=-0.014448 max=0.019937 Jy/beam ! Clean residual mean=0.000021 rms=0.003790 Jy/beam ! Combined flux in latest and established models = 0.50102 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.50102 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9559 mas, bmaj=2.9 mas, bpa=-11.4 degrees ! Estimated noise=0.425331 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 = 0.0326747 Jy ! Component: 100 - total flux cleaned = 0.0503333 Jy ! Component: 150 - total flux cleaned = 0.0621016 Jy ! Component: 200 - total flux cleaned = 0.0711445 Jy ! Total flux subtracted in 200 components = 0.0711445 Jy ! Clean residual min=-0.006836 max=0.008977 Jy/beam ! Clean residual mean=0.000007 rms=0.001889 Jy/beam ! Combined flux in latest and established models = 0.572164 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 34 components and 0.572164 Jy ! Inverting map ! Added new window around map position (-21.2, 20.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00837599 Jy ! Component: 100 - total flux cleaned = 0.0121322 Jy ! Component: 150 - total flux cleaned = 0.0144628 Jy ! Component: 200 - total flux cleaned = 0.0154127 Jy ! Total flux subtracted in 200 components = 0.0154127 Jy ! Clean residual min=-0.005466 max=0.005764 Jy/beam ! Clean residual mean=0.000005 rms=0.001367 Jy/beam ! Combined flux in latest and established models = 0.587577 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 63 components and 0.587577 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.996 mas, bmaj=3.03 mas, bpa=-15.09 degrees ! Estimated noise=0.519572 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00619155 Jy ! Component: 100 - total flux cleaned = 0.00865116 Jy ! Component: 150 - total flux cleaned = 0.00837438 Jy ! Component: 200 - total flux cleaned = 0.00787366 Jy ! Total flux subtracted in 200 components = 0.00787366 Jy ! Clean residual min=-0.005220 max=0.004392 Jy/beam ! Clean residual mean=0.000005 rms=0.001330 Jy/beam ! Combined flux in latest and established models = 0.59545 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 = -0.000223959 Jy ! Component: 100 - total flux cleaned = -0.000436133 Jy ! Component: 150 - total flux cleaned = -0.00072573 Jy ! Component: 200 - total flux cleaned = -0.00116837 Jy ! Total flux subtracted in 200 components = -0.00116837 Jy ! Clean residual min=-0.004766 max=0.003958 Jy/beam ! Clean residual mean=0.000003 rms=0.001185 Jy/beam ! Combined flux in latest and established models = 0.594282 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 95 components and 0.594282 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9559 mas, bmaj=2.9 mas, bpa=-11.4 degrees ! Estimated noise=0.425331 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00143836 Jy ! Component: 100 - total flux cleaned = -0.00195375 Jy ! Component: 150 - total flux cleaned = -0.00310906 Jy ! Component: 200 - total flux cleaned = -0.00394734 Jy ! Total flux subtracted in 200 components = -0.00394734 Jy ! Clean residual min=-0.004557 max=0.004237 Jy/beam ! Clean residual mean=0.000001 rms=0.000973 Jy/beam ! Combined flux in latest and established models = 0.590335 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 121 components and 0.590335 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. ! ! Fit before self-cal, rms=0.064748Jy sigma=1.197221 ! Fit after self-cal, rms=0.064672Jy sigma=1.194120 wmodel J0837+5825_X_map.mod ! Writing 121 model components to file: J0837+5825_X_map.mod wobs J0837+5825_X_uvs.fits ! Writing UV FITS file: J0837+5825_X_uvs.fits wwins J0837+5825_X_map.win ! wwins: Wrote 5 windows to J0837+5825_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 = -0.00164482 Jy ! Component: 100 - total flux cleaned = -0.00255559 Jy ! Component: 150 - total flux cleaned = -0.00281873 Jy ! Component: 200 - total flux cleaned = -0.0028783 Jy ! Component: 250 - total flux cleaned = -0.00293848 Jy ! Component: 300 - total flux cleaned = -0.00305015 Jy ! Component: 350 - total flux cleaned = -0.003104 Jy ! Component: 400 - total flux cleaned = -0.0031556 Jy ! Component: 450 - total flux cleaned = -0.00315583 Jy ! Component: 500 - total flux cleaned = -0.00325618 Jy ! Component: 550 - total flux cleaned = -0.00330514 Jy ! Component: 600 - total flux cleaned = -0.00330623 Jy ! Component: 650 - total flux cleaned = -0.00344458 Jy ! Component: 700 - total flux cleaned = -0.00348889 Jy ! Component: 750 - total flux cleaned = -0.00357509 Jy ! Component: 800 - total flux cleaned = -0.00344643 Jy ! Component: 850 - total flux cleaned = -0.00344763 Jy ! Component: 900 - total flux cleaned = -0.00352973 Jy ! Component: 950 - total flux cleaned = -0.00352883 Jy ! Component: 1000 - total flux cleaned = -0.00341089 Jy ! Component: 1050 - total flux cleaned = -0.00341064 Jy ! Component: 1100 - total flux cleaned = -0.00337234 Jy ! Component: 1150 - total flux cleaned = -0.00329805 Jy ! Component: 1200 - total flux cleaned = -0.00318855 Jy ! Component: 1250 - total flux cleaned = -0.00311741 Jy ! Component: 1300 - total flux cleaned = -0.00329352 Jy ! Component: 1350 - total flux cleaned = -0.00329276 Jy ! Component: 1400 - total flux cleaned = -0.00329276 Jy ! Component: 1450 - total flux cleaned = -0.00329288 Jy ! Component: 1500 - total flux cleaned = -0.00339234 Jy ! Component: 1550 - total flux cleaned = -0.00335966 Jy ! Component: 1600 - total flux cleaned = -0.00345613 Jy ! Component: 1650 - total flux cleaned = -0.00348766 Jy ! Component: 1700 - total flux cleaned = -0.00348774 Jy ! Component: 1750 - total flux cleaned = -0.00354947 Jy ! Component: 1800 - total flux cleaned = -0.00357985 Jy ! Component: 1850 - total flux cleaned = -0.0036095 Jy ! Component: 1900 - total flux cleaned = -0.00360982 Jy ! Component: 1950 - total flux cleaned = -0.00363882 Jy ! Component: 2000 - total flux cleaned = -0.00366743 Jy ! Component: 2050 - total flux cleaned = -0.00369579 Jy ! Component: 2100 - total flux cleaned = -0.00375153 Jy ! Component: 2150 - total flux cleaned = -0.00372368 Jy ! Component: 2200 - total flux cleaned = -0.00372348 Jy ! Component: 2250 - total flux cleaned = -0.00375034 Jy ! Component: 2300 - total flux cleaned = -0.00372406 Jy ! Component: 2350 - total flux cleaned = -0.0038027 Jy ! Component: 2400 - total flux cleaned = -0.00390651 Jy ! Component: 2450 - total flux cleaned = -0.0038552 Jy ! Component: 2500 - total flux cleaned = -0.0039563 Jy ! Component: 2550 - total flux cleaned = -0.00398089 Jy ! Component: 2600 - total flux cleaned = -0.00395583 Jy ! Component: 2650 - total flux cleaned = -0.00395568 Jy ! Component: 2700 - total flux cleaned = -0.00400372 Jy ! Component: 2750 - total flux cleaned = -0.00397996 Jy ! Component: 2800 - total flux cleaned = -0.00405091 Jy ! Component: 2850 - total flux cleaned = -0.00405093 Jy ! Component: 2900 - total flux cleaned = -0.00407404 Jy ! Component: 2950 - total flux cleaned = -0.00395984 Jy ! Component: 3000 - total flux cleaned = -0.00398293 Jy ! Component: 3050 - total flux cleaned = -0.00398334 Jy ! Component: 3100 - total flux cleaned = -0.00409459 Jy ! Component: 3150 - total flux cleaned = -0.0039846 Jy ! Component: 3200 - total flux cleaned = -0.00400624 Jy ! Component: 3250 - total flux cleaned = -0.00398457 Jy ! Component: 3300 - total flux cleaned = -0.00398444 Jy ! Component: 3350 - total flux cleaned = -0.00394174 Jy ! Component: 3400 - total flux cleaned = -0.00398385 Jy ! Component: 3450 - total flux cleaned = -0.00398392 Jy ! Component: 3500 - total flux cleaned = -0.0039426 Jy ! Component: 3550 - total flux cleaned = -0.00392223 Jy ! Component: 3600 - total flux cleaned = -0.00390193 Jy ! Component: 3650 - total flux cleaned = -0.00382129 Jy ! Component: 3700 - total flux cleaned = -0.00380125 Jy ! Component: 3750 - total flux cleaned = -0.00376154 Jy ! Component: 3800 - total flux cleaned = -0.00374184 Jy ! Component: 3850 - total flux cleaned = -0.00366359 Jy ! Component: 3900 - total flux cleaned = -0.00360551 Jy ! Component: 3950 - total flux cleaned = -0.00356703 Jy ! Component: 4000 - total flux cleaned = -0.0034906 Jy ! Component: 4050 - total flux cleaned = -0.0034339 Jy ! Total flux subtracted in 4096 components = -0.00343397 Jy ! Clean residual min=-0.001057 max=0.001095 Jy/beam ! Clean residual mean=0.000000 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.586901 Jy keep ! Adding 297 model components to the UV plane model. ! The established model now contains 418 components and 0.586901 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0837+5825_X_20180429_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9559 x 2.9 at -11.4 degrees (North through East) ! Clean map min=-0.0032875 max=0.40678 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0837+5825_X_20180429_map.fits wmodel /vlbi/bs262/maps//J0837+5825_X_20180429_map.mod ! Writing 418 model components to file: /vlbi/bs262/maps//J0837+5825_X_20180429_map.mod wobs /vlbi/bs262/maps//J0837+5825_X_20180429_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0837+5825_X_20180429_uvs.fits wwins /vlbi/bs262/maps//J0837+5825_X_20180429_map.win ! wwins: Wrote 6 windows to /vlbi/bs262/maps//J0837+5825_X_20180429_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.406779 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000314761 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.232136 0.232136 0.464273 0.928546 1.85709 3.71418 7.42837 14.8567 29.7135 59.4269 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.406 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1292.34 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0837+5825_X_20180429_dfm.log closed on Mon Jun 4 23:27:42 2018