! Started logfile: /vlbi/bp222/maps//J2031+1219_S_dfm.log on Mon Jan 14 17:17:45 2019 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/bp222/maps//J2031+1219_S_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2031+1219_S_uva.fits ! AN table 1: 15 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.980952 visibilities/baseline/integration-bin. ! Found source: J2031+1219 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 54 lines of history. ! ! Reading 1236 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J2031+1219_S] 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 0.500x0.500 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 105 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.514169Jy sigma=21.957439 ! Fit after self-cal, rms=0.135327Jy sigma=1.958079 ! 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=3.481 mas, bmaj=12.85 mas, bpa=-15.67 degrees ! Estimated noise=1.92111 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 = 0.852313 Jy ! Component: 100 - total flux cleaned = 1.03846 Jy ! Total flux subtracted in 100 components = 1.03846 Jy ! Clean residual min=-0.027352 max=0.055518 Jy/beam ! Clean residual mean=0.000049 rms=0.012286 Jy/beam ! Combined flux in latest and established models = 1.03846 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 1.03846 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.107573Jy sigma=1.543937 ! Fit after self-cal, rms=0.107557Jy sigma=1.543865 ! 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=4.034 mas, bmaj=11.52 mas, bpa=-14.73 degrees ! Estimated noise=1.67375 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 = 0.0678689 Jy ! Component: 100 - total flux cleaned = 0.0963927 Jy ! Component: 150 - total flux cleaned = 0.107352 Jy ! Component: 200 - total flux cleaned = 0.11037 Jy ! Total flux subtracted in 200 components = 0.11037 Jy ! Clean residual min=-0.012402 max=0.010219 Jy/beam ! Clean residual mean=0.000011 rms=0.003134 Jy/beam ! Combined flux in latest and established models = 1.14883 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 27 components and 1.14883 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059707Jy sigma=0.821618 ! Fit after self-cal, rms=0.059609Jy sigma=0.820284 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.034 x 11.52 at -14.73 degrees (North through East) ! Clean map min=-0.011966 max=1.1038 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 LA 0.99 MK 1.01 ! NL 0.97 OV 1.02 PT 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 LA 0.98 MK 1.00 ! NL 0.99 OV 1.02 PT 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 LA 0.98 MK 1.02 ! NL 0.97 OV 1.00 PT 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* LA 0.00* MK 0.00* ! NL 0.00* OV 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.059609Jy sigma=0.820284 ! Fit after self-cal, rms=0.053219Jy sigma=0.727591 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.041 mas, bmaj=11.53 mas, bpa=-14.73 degrees ! Estimated noise=1.66957 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 = 0.000239431 Jy ! Component: 100 - total flux cleaned = 0.00030085 Jy ! Component: 150 - total flux cleaned = 0.000501011 Jy ! Component: 200 - total flux cleaned = 0.000440023 Jy ! Total flux subtracted in 200 components = 0.000440023 Jy ! Clean residual min=-0.003348 max=0.004476 Jy/beam ! Clean residual mean=0.000002 rms=0.001050 Jy/beam ! Combined flux in latest and established models = 1.14927 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 1.14927 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052921Jy sigma=0.723343 ! Fit after self-cal, rms=0.052927Jy sigma=0.723169 ! 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. ! ! Fit before self-cal, rms=0.052927Jy sigma=0.723169 ! Fit after self-cal, rms=0.052919Jy sigma=0.723040 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.041 mas, bmaj=11.53 mas, bpa=-14.73 degrees ! Estimated noise=1.66958 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000255508 Jy ! Component: 100 - total flux cleaned = 9.81987e-05 Jy ! Component: 150 - total flux cleaned = 6.66127e-05 Jy ! Component: 200 - total flux cleaned = 6.8211e-05 Jy ! Total flux subtracted in 200 components = 6.8211e-05 Jy ! Clean residual min=-0.003082 max=0.004275 Jy/beam ! Clean residual mean=0.000002 rms=0.000981 Jy/beam ! Combined flux in latest and established models = 1.14934 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 50 components and 1.14934 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052865Jy sigma=0.722309 ! Fit after self-cal, rms=0.052861Jy sigma=0.722285 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 (-113.5, -100.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00318782 Jy ! Component: 100 - total flux cleaned = 0.00386989 Jy ! Component: 150 - total flux cleaned = 0.00424296 Jy ! Component: 200 - total flux cleaned = 0.00446141 Jy ! Total flux subtracted in 200 components = 0.00446141 Jy ! Clean residual min=-0.002630 max=0.003936 Jy/beam ! Clean residual mean=0.000001 rms=0.000804 Jy/beam ! Combined flux in latest and established models = 1.1538 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 73 components and 1.1538 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052634Jy sigma=0.718397 ! Fit after self-cal, rms=0.052630Jy sigma=0.718307 ! Inverting map ! Added new window around map position (127.5, 74). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00207737 Jy ! Component: 100 - total flux cleaned = 0.0019118 Jy ! Component: 150 - total flux cleaned = 0.00236805 Jy ! Component: 200 - total flux cleaned = 0.00277323 Jy ! Total flux subtracted in 200 components = 0.00277323 Jy ! Clean residual min=-0.001842 max=0.002409 Jy/beam ! Clean residual mean=0.000001 rms=0.000524 Jy/beam ! Combined flux in latest and established models = 1.15658 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 98 components and 1.15658 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052376Jy sigma=0.714935 ! Fit after self-cal, rms=0.052360Jy sigma=0.714775 ! Inverting map ! Added new window around map position (127.5, 123.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00127514 Jy ! Component: 100 - total flux cleaned = 0.00174346 Jy ! Component: 150 - total flux cleaned = 0.00230925 Jy ! Component: 200 - total flux cleaned = 0.00278892 Jy ! Total flux subtracted in 200 components = 0.00278892 Jy ! Clean residual min=-0.001449 max=0.001664 Jy/beam ! Clean residual mean=0.000001 rms=0.000412 Jy/beam ! Combined flux in latest and established models = 1.15936 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 119 components and 1.15936 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052238Jy sigma=0.713170 ! Fit after self-cal, rms=0.052235Jy sigma=0.713082 ! Inverting map ! Added new window around map position (-114, -125.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000703712 Jy ! Component: 100 - total flux cleaned = 0.000507324 Jy ! Component: 150 - total flux cleaned = 0.000334367 Jy ! Component: 200 - total flux cleaned = 0.000334507 Jy ! Total flux subtracted in 200 components = 0.000334507 Jy ! Clean residual min=-0.001409 max=0.001460 Jy/beam ! Clean residual mean=0.000002 rms=0.000380 Jy/beam ! Combined flux in latest and established models = 1.1597 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 140 components and 1.1597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052160Jy sigma=0.711715 ! Fit after self-cal, rms=0.052161Jy sigma=0.711676 ! 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. ! ! Fit before self-cal, rms=0.052161Jy sigma=0.711676 ! Fit after self-cal, rms=0.052142Jy sigma=0.711312 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.042 mas, bmaj=11.54 mas, bpa=-14.72 degrees ! Estimated noise=1.6687 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000383906 Jy ! Component: 100 - total flux cleaned = 0.00046257 Jy ! Component: 150 - total flux cleaned = 0.000538039 Jy ! Component: 200 - total flux cleaned = 0.000604492 Jy ! Total flux subtracted in 200 components = 0.000604492 Jy ! Clean residual min=-0.001197 max=0.001377 Jy/beam ! Clean residual mean=0.000001 rms=0.000330 Jy/beam ! Combined flux in latest and established models = 1.1603 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 158 components and 1.1603 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052088Jy sigma=0.710617 ! Fit after self-cal, rms=0.052088Jy sigma=0.710594 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 = -0.000138726 Jy ! Component: 100 - total flux cleaned = -0.000380413 Jy ! Component: 150 - total flux cleaned = -0.000492591 Jy ! Component: 200 - total flux cleaned = -0.00057266 Jy ! Total flux subtracted in 200 components = -0.00057266 Jy ! Clean residual min=-0.001158 max=0.001194 Jy/beam ! Clean residual mean=0.000001 rms=0.000317 Jy/beam ! Combined flux in latest and established models = 1.15973 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 175 components and 1.15973 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052061Jy sigma=0.710165 ! Fit after self-cal, rms=0.052062Jy sigma=0.710156 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.052062Jy sigma=0.710156 ! Fit after self-cal, rms=0.052065Jy sigma=0.710086 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.672 mas, bmaj=11.34 mas, bpa=-9.073 degrees ! Estimated noise=2.00408 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.844e-06 Jy ! Component: 100 - total flux cleaned = -4.98462e-05 Jy ! Component: 150 - total flux cleaned = -0.000138499 Jy ! Component: 200 - total flux cleaned = -0.000265328 Jy ! Total flux subtracted in 200 components = -0.000265328 Jy ! Clean residual min=-0.001018 max=0.001167 Jy/beam ! Clean residual mean=0.000001 rms=0.000336 Jy/beam ! Combined flux in latest and established models = 1.15947 Jy selfcal ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 216 components and 1.15947 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052049Jy sigma=0.709997 ! Fit after self-cal, rms=0.052051Jy sigma=0.709991 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 = -0.000362905 Jy ! Component: 100 - total flux cleaned = -0.000379134 Jy ! Component: 150 - total flux cleaned = -0.000397172 Jy ! Component: 200 - total flux cleaned = -0.000413514 Jy ! Total flux subtracted in 200 components = -0.000413514 Jy ! Clean residual min=-0.000924 max=0.001070 Jy/beam ! Clean residual mean=0.000001 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 1.15905 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 243 components and 1.15905 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052039Jy sigma=0.709916 ! Fit after self-cal, rms=0.052040Jy sigma=0.709911 ! 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=4.042 mas, bmaj=11.54 mas, bpa=-14.72 degrees ! Estimated noise=1.66845 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.042 x 11.54 at -14.72 degrees (North through East) ! Clean map min=-0.0020366 max=1.1017 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052040Jy sigma=0.709911 ! Fit after self-cal, rms=0.046668Jy sigma=0.609177 ! Inverting map and beam ! Estimated beam: bmin=4.041 mas, bmaj=11.54 mas, bpa=-14.72 degrees ! Estimated noise=1.66862 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000302486 Jy ! Component: 100 - total flux cleaned = 0.000387961 Jy ! Component: 150 - total flux cleaned = 0.000365428 Jy ! Component: 200 - total flux cleaned = 0.000390338 Jy ! Total flux subtracted in 200 components = 0.000390338 Jy ! Clean residual min=-0.001072 max=0.001014 Jy/beam ! Clean residual mean=0.000000 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 1.15944 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 269 components and 1.15944 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.046641Jy sigma=0.608776 ! Fit after self-cal, rms=0.046641Jy sigma=0.608765 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.47933e-05 Jy ! Component: 100 - total flux cleaned = -3.62722e-05 Jy ! Component: 150 - total flux cleaned = -0.00013705 Jy ! Component: 200 - total flux cleaned = -8.01192e-05 Jy ! Total flux subtracted in 200 components = -8.01192e-05 Jy ! Clean residual min=-0.001033 max=0.001001 Jy/beam ! Clean residual mean=0.000000 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 1.15936 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 285 components and 1.15936 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.046627Jy sigma=0.608491 ! Fit after self-cal, rms=0.046629Jy sigma=0.608487 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.046629Jy sigma=0.608487 ! Fit after self-cal, rms=0.046626Jy sigma=0.608446 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=3.489 mas, bmaj=12.86 mas, bpa=-15.69 degrees ! Estimated noise=1.92121 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.85235 Jy ! Component: 100 - total flux cleaned = 1.03834 Jy ! Component: 150 - total flux cleaned = 1.09489 Jy ! Component: 200 - total flux cleaned = 1.12252 Jy ! Total flux subtracted in 200 components = 1.12252 Jy ! Clean residual min=-0.007739 max=0.012866 Jy/beam ! Clean residual mean=0.000011 rms=0.002959 Jy/beam ! Combined flux in latest and established models = 1.12252 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 16 model components to the UV plane model. ! The established model now contains 16 components and 1.12252 Jy ! Inverting map and beam ! Estimated beam: bmin=4.042 mas, bmaj=11.54 mas, bpa=-14.72 degrees ! Estimated noise=1.66874 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 = 0.0160065 Jy ! Component: 100 - total flux cleaned = 0.0232533 Jy ! Component: 150 - total flux cleaned = 0.026647 Jy ! Component: 200 - total flux cleaned = 0.0290903 Jy ! Total flux subtracted in 200 components = 0.0290903 Jy ! Clean residual min=-0.003961 max=0.003904 Jy/beam ! Clean residual mean=0.000002 rms=0.001179 Jy/beam ! Combined flux in latest and established models = 1.15161 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 35 components and 1.15161 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.672 mas, bmaj=11.34 mas, bpa=-9.065 degrees ! Estimated noise=2.00454 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00141892 Jy ! Component: 100 - total flux cleaned = 0.00294732 Jy ! Component: 150 - total flux cleaned = 0.00408338 Jy ! Component: 200 - total flux cleaned = 0.00524452 Jy ! Total flux subtracted in 200 components = 0.00524452 Jy ! Clean residual min=-0.002092 max=0.002470 Jy/beam ! Clean residual mean=0.000001 rms=0.000735 Jy/beam ! Combined flux in latest and established models = 1.15685 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 = 0.000883276 Jy ! Component: 100 - total flux cleaned = 0.00148289 Jy ! Component: 150 - total flux cleaned = 0.00228181 Jy ! Component: 200 - total flux cleaned = 0.00269425 Jy ! Total flux subtracted in 200 components = 0.00269425 Jy ! Clean residual min=-0.001957 max=0.002194 Jy/beam ! Clean residual mean=-0.000001 rms=0.000601 Jy/beam ! Combined flux in latest and established models = 1.15955 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 93 components and 1.15955 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.042 mas, bmaj=11.54 mas, bpa=-14.72 degrees ! Estimated noise=1.66874 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000198847 Jy ! Component: 100 - total flux cleaned = 2.61059e-06 Jy ! Component: 150 - total flux cleaned = 0.000162159 Jy ! Component: 200 - total flux cleaned = 0.000386477 Jy ! Total flux subtracted in 200 components = 0.000386477 Jy ! Clean residual min=-0.002272 max=0.002265 Jy/beam ! Clean residual mean=0.000000 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 1.15994 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 110 components and 1.15994 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.046950Jy sigma=0.613843 ! Fit after self-cal, rms=0.046926Jy sigma=0.613405 wmodel J2031+1219_S_map.mod ! Writing 110 model components to file: J2031+1219_S_map.mod wobs J2031+1219_S_uvs.fits ! Writing UV FITS file: J2031+1219_S_uvs.fits wwins J2031+1219_S_map.win ! wwins: Wrote 5 windows to J2031+1219_S_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 = 0.000340688 Jy ! Component: 100 - total flux cleaned = 0.000665041 Jy ! Component: 150 - total flux cleaned = 0.00109779 Jy ! Component: 200 - total flux cleaned = 0.00136345 Jy ! Component: 250 - total flux cleaned = 0.00166082 Jy ! Component: 300 - total flux cleaned = 0.00184756 Jy ! Component: 350 - total flux cleaned = 0.00198018 Jy ! Component: 400 - total flux cleaned = 0.00206469 Jy ! Component: 450 - total flux cleaned = 0.00210565 Jy ! Component: 500 - total flux cleaned = 0.00212524 Jy ! Component: 550 - total flux cleaned = 0.00210654 Jy ! Component: 600 - total flux cleaned = 0.00210633 Jy ! Component: 650 - total flux cleaned = 0.00210615 Jy ! Component: 700 - total flux cleaned = 0.00208873 Jy ! Component: 750 - total flux cleaned = 0.00213947 Jy ! Component: 800 - total flux cleaned = 0.00213968 Jy ! Component: 850 - total flux cleaned = 0.00217229 Jy ! Component: 900 - total flux cleaned = 0.00215648 Jy ! Component: 950 - total flux cleaned = 0.00217188 Jy ! Component: 1000 - total flux cleaned = 0.00218685 Jy ! Component: 1050 - total flux cleaned = 0.00223179 Jy ! Component: 1100 - total flux cleaned = 0.00229081 Jy ! Component: 1150 - total flux cleaned = 0.00233458 Jy ! Component: 1200 - total flux cleaned = 0.00236324 Jy ! Component: 1250 - total flux cleaned = 0.00236329 Jy ! Component: 1300 - total flux cleaned = 0.00240535 Jy ! Component: 1350 - total flux cleaned = 0.00246043 Jy ! Component: 1400 - total flux cleaned = 0.00251474 Jy ! Component: 1450 - total flux cleaned = 0.00255509 Jy ! Component: 1500 - total flux cleaned = 0.00259512 Jy ! Component: 1550 - total flux cleaned = 0.00263487 Jy ! Component: 1600 - total flux cleaned = 0.00267405 Jy ! Component: 1650 - total flux cleaned = 0.00268705 Jy ! Component: 1700 - total flux cleaned = 0.00270005 Jy ! Component: 1750 - total flux cleaned = 0.00273823 Jy ! Component: 1800 - total flux cleaned = 0.00282661 Jy ! Component: 1850 - total flux cleaned = 0.00288936 Jy ! Component: 1900 - total flux cleaned = 0.0029267 Jy ! Component: 1950 - total flux cleaned = 0.0030011 Jy ! Component: 2000 - total flux cleaned = 0.00308732 Jy ! Component: 2050 - total flux cleaned = 0.00308732 Jy ! Component: 2100 - total flux cleaned = 0.00312393 Jy ! Component: 2150 - total flux cleaned = 0.00312383 Jy ! Component: 2200 - total flux cleaned = 0.00312375 Jy ! Component: 2250 - total flux cleaned = 0.00313592 Jy ! Component: 2300 - total flux cleaned = 0.00312382 Jy ! Component: 2350 - total flux cleaned = 0.003172 Jy ! Component: 2400 - total flux cleaned = 0.003148 Jy ! Component: 2450 - total flux cleaned = 0.00314801 Jy ! Component: 2500 - total flux cleaned = 0.00314799 Jy ! Component: 2550 - total flux cleaned = 0.0031121 Jy ! Component: 2600 - total flux cleaned = 0.00313602 Jy ! Component: 2650 - total flux cleaned = 0.00312404 Jy ! Component: 2700 - total flux cleaned = 0.0031001 Jy ! Component: 2750 - total flux cleaned = 0.00305224 Jy ! Component: 2800 - total flux cleaned = 0.00305217 Jy ! Component: 2850 - total flux cleaned = 0.00304015 Jy ! Component: 2900 - total flux cleaned = 0.00304019 Jy ! Component: 2950 - total flux cleaned = 0.00299195 Jy ! Component: 3000 - total flux cleaned = 0.00297987 Jy ! Component: 3050 - total flux cleaned = 0.00293118 Jy ! Component: 3100 - total flux cleaned = 0.00286995 Jy ! Component: 3150 - total flux cleaned = 0.00282067 Jy ! Component: 3200 - total flux cleaned = 0.00278346 Jy ! Component: 3250 - total flux cleaned = 0.00273364 Jy ! Component: 3300 - total flux cleaned = 0.00268341 Jy ! Component: 3350 - total flux cleaned = 0.00262027 Jy ! Component: 3400 - total flux cleaned = 0.0025948 Jy ! Component: 3450 - total flux cleaned = 0.00250528 Jy ! Component: 3500 - total flux cleaned = 0.00246665 Jy ! Component: 3550 - total flux cleaned = 0.00238888 Jy ! Component: 3600 - total flux cleaned = 0.00236272 Jy ! Component: 3650 - total flux cleaned = 0.00231035 Jy ! Component: 3700 - total flux cleaned = 0.0022178 Jy ! Component: 3750 - total flux cleaned = 0.00219113 Jy ! Component: 3800 - total flux cleaned = 0.00211069 Jy ! Component: 3850 - total flux cleaned = 0.00205662 Jy ! Component: 3900 - total flux cleaned = 0.00201575 Jy ! Component: 3950 - total flux cleaned = 0.0019883 Jy ! Component: 4000 - total flux cleaned = 0.00193302 Jy ! Component: 4050 - total flux cleaned = 0.00189127 Jy ! Total flux subtracted in 4096 components = 0.00182111 Jy ! Clean residual min=-0.000774 max=0.000777 Jy/beam ! Clean residual mean=-0.000001 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 1.16176 Jy keep ! Adding 229 model components to the UV plane model. ! The established model now contains 338 components and 1.16176 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2031+1219_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.042 x 11.54 at -14.72 degrees (North through East) ! Clean map min=-0.0014862 max=1.1007 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2031+1219_S_map.fits wmodel /vlbi/bp222/maps//J2031+1219_S_map.mod ! Writing 338 model components to file: /vlbi/bp222/maps//J2031+1219_S_map.mod wobs /vlbi/bp222/maps//J2031+1219_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2031+1219_S_uvs.fits wwins /vlbi/bp222/maps//J2031+1219_S_map.win ! wwins: Wrote 6 windows to /vlbi/bp222/maps//J2031+1219_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.10069 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000235248 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.064118 0.064118 0.128236 0.256472 0.512944 1.02589 2.05178 4.10355 8.20711 16.4142 32.8284 65.6569 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.1 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4678.87 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2031+1219_S_dfm.log closed on Mon Jan 14 17:17:50 2019