! Started logfile: /vlbi/uf001/uva//J1827+2658_S_dfm.log on Mon Jan 14 04:38:26 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/uf001/uva//J1827+2658_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1827+2658_S_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.918129 visibilities/baseline/integration-bin. ! Found source: J1827+2658 ! ! There are 3 IFs, and a total of 3 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 ! ! Polarization(s): RR ! ! Read 44 lines of history. ! ! Reading 7065 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 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 J1827+2658_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 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 19 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.015140Jy sigma=25.368520 ! Fit after self-cal, rms=0.842924Jy sigma=21.025881 ! 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=2.872 mas, bmaj=6.1 mas, bpa=-6.611 degrees ! Estimated noise=0.518175 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 = 0.118926 Jy ! Component: 100 - total flux cleaned = 0.15576 Jy ! Total flux subtracted in 100 components = 0.15576 Jy ! Clean residual min=-0.007314 max=0.016521 Jy/beam ! Clean residual mean=-0.000061 rms=0.002338 Jy/beam ! Combined flux in latest and established models = 0.15576 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.15576 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071419Jy sigma=1.716003 ! Fit after self-cal, rms=0.071156Jy sigma=1.710066 ! Inverting map ! Added new window around map position (3, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0191535 Jy ! Component: 100 - total flux cleaned = 0.030613 Jy ! Total flux subtracted in 100 components = 0.030613 Jy ! Clean residual min=-0.006401 max=0.009965 Jy/beam ! Clean residual mean=-0.000044 rms=0.001747 Jy/beam ! Combined flux in latest and established models = 0.186373 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 29 components and 0.186373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064711Jy sigma=1.537920 ! Fit after self-cal, rms=0.064545Jy sigma=1.533920 ! 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=3.418 mas, bmaj=6.568 mas, bpa=-6.777 degrees ! Estimated noise=0.346008 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 (26, 14.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0128381 Jy ! Component: 100 - total flux cleaned = 0.0220826 Jy ! Component: 150 - total flux cleaned = 0.0293285 Jy ! Component: 200 - total flux cleaned = 0.0352117 Jy ! Total flux subtracted in 200 components = 0.0352117 Jy ! Clean residual min=-0.004761 max=0.009371 Jy/beam ! Clean residual mean=-0.000011 rms=0.001552 Jy/beam ! Combined flux in latest and established models = 0.221585 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 61 components and 0.221585 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060966Jy sigma=1.440826 ! Fit after self-cal, rms=0.060807Jy sigma=1.436698 ! Inverting map ! Added new window around map position (8.5, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00804393 Jy ! Component: 100 - total flux cleaned = 0.0133193 Jy ! Component: 150 - total flux cleaned = 0.0169465 Jy ! Component: 200 - total flux cleaned = 0.0200292 Jy ! Total flux subtracted in 200 components = 0.0200292 Jy ! Clean residual min=-0.003997 max=0.008551 Jy/beam ! Clean residual mean=-0.000007 rms=0.001308 Jy/beam ! Combined flux in latest and established models = 0.241614 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 105 components and 0.241614 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059337Jy sigma=1.397967 ! Fit after self-cal, rms=0.059232Jy sigma=1.395959 ! Inverting map ! Added new window around map position (-6.5, 5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00775294 Jy ! Component: 100 - total flux cleaned = 0.0125861 Jy ! Component: 150 - total flux cleaned = 0.0167534 Jy ! Component: 200 - total flux cleaned = 0.0205216 Jy ! Total flux subtracted in 200 components = 0.0205216 Jy ! Clean residual min=-0.003757 max=0.004941 Jy/beam ! Clean residual mean=-0.000004 rms=0.001074 Jy/beam ! Combined flux in latest and established models = 0.262136 Jy ! Performing phase self-cal ! Adding 62 model components to the UV plane model. ! The established model now contains 160 components and 0.262136 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057841Jy sigma=1.362671 ! Fit after self-cal, rms=0.057785Jy sigma=1.360980 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.418 x 6.568 at -6.777 degrees (North through East) ! Clean map min=-0.0035437 max=0.15489 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HN 0.98 KP 1.00 ! LA 0.92 MK 0.97 NL 1.02 OV 1.03 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 0.99 HN 0.99 KP 1.01 ! LA 0.96 MK 1.01 NL 1.00 OV 0.91 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 1.00 KP 1.02 ! LA 0.91 MK 1.08 NL 1.04 OV 1.02 ! PT 0.97 SC 0.97 ! ! ! Fit before self-cal, rms=0.057785Jy sigma=1.360980 ! Fit after self-cal, rms=0.056683Jy sigma=1.331471 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.425 mas, bmaj=6.612 mas, bpa=-6.523 degrees ! Estimated noise=0.342768 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 (18, 11.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00433167 Jy ! Component: 100 - total flux cleaned = 0.00738714 Jy ! Component: 150 - total flux cleaned = 0.0100194 Jy ! Component: 200 - total flux cleaned = 0.0120485 Jy ! Total flux subtracted in 200 components = 0.0120485 Jy ! Clean residual min=-0.002898 max=0.003598 Jy/beam ! Clean residual mean=0.000003 rms=0.000770 Jy/beam ! Combined flux in latest and established models = 0.274184 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 206 components and 0.274184 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.056193Jy sigma=1.318474 ! Fit after self-cal, rms=0.056201Jy sigma=1.317970 ! 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. ! ! Fit before self-cal, rms=0.056201Jy sigma=1.317970 ! Fit after self-cal, rms=0.055827Jy sigma=1.300682 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.425 mas, bmaj=6.605 mas, bpa=-6.472 degrees ! Estimated noise=0.342814 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00245126 Jy ! Component: 100 - total flux cleaned = 0.00415337 Jy ! Component: 150 - total flux cleaned = 0.0055482 Jy ! Component: 200 - total flux cleaned = 0.00688881 Jy ! Total flux subtracted in 200 components = 0.00688881 Jy ! Clean residual min=-0.002287 max=0.003158 Jy/beam ! Clean residual mean=0.000001 rms=0.000585 Jy/beam ! Combined flux in latest and established models = 0.281073 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 231 components and 0.281073 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055628Jy sigma=1.295429 ! Fit after self-cal, rms=0.055630Jy sigma=1.295177 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 (-15.5, 0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00295132 Jy ! Component: 100 - total flux cleaned = 0.00474994 Jy ! Component: 150 - total flux cleaned = 0.00587263 Jy ! Component: 200 - total flux cleaned = 0.00665812 Jy ! Total flux subtracted in 200 components = 0.00665812 Jy ! Clean residual min=-0.002146 max=0.002165 Jy/beam ! Clean residual mean=0.000001 rms=0.000515 Jy/beam ! Combined flux in latest and established models = 0.287731 Jy ! Performing phase self-cal ! Adding 63 model components to the UV plane model. ! The established model now contains 284 components and 0.287731 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055438Jy sigma=1.289900 ! Fit after self-cal, rms=0.055431Jy sigma=1.289626 ! 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. ! ! Fit before self-cal, rms=0.055431Jy sigma=1.289626 ! Fit after self-cal, rms=0.055473Jy sigma=1.288842 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.425 mas, bmaj=6.596 mas, bpa=-6.391 degrees ! Estimated noise=0.342148 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00165025 Jy ! Component: 100 - total flux cleaned = 0.00272 Jy ! Component: 150 - total flux cleaned = 0.00357685 Jy ! Component: 200 - total flux cleaned = 0.00439871 Jy ! Total flux subtracted in 200 components = 0.00439871 Jy ! Clean residual min=-0.002061 max=0.002030 Jy/beam ! Clean residual mean=0.000001 rms=0.000471 Jy/beam ! Combined flux in latest and established models = 0.29213 Jy selfcal ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 315 components and 0.29213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055386Jy sigma=1.286606 ! Fit after self-cal, rms=0.055388Jy sigma=1.286547 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 = 0.000588101 Jy ! Component: 100 - total flux cleaned = 0.00116165 Jy ! Component: 150 - total flux cleaned = 0.00169334 Jy ! Component: 200 - total flux cleaned = 0.00215431 Jy ! Total flux subtracted in 200 components = 0.00215431 Jy ! Clean residual min=-0.001965 max=0.001913 Jy/beam ! Clean residual mean=0.000000 rms=0.000456 Jy/beam ! Combined flux in latest and established models = 0.294284 Jy ! Performing phase self-cal ! Adding 53 model components to the UV plane model. ! The established model now contains 332 components and 0.294284 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055343Jy sigma=1.285477 ! Fit after self-cal, rms=0.055344Jy sigma=1.285456 ! 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. ! ! Fit before self-cal, rms=0.055344Jy sigma=1.285456 ! Fit after self-cal, rms=0.055386Jy sigma=1.285200 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.225 mas, bmaj=9.834 mas, bpa=-5.903 degrees ! Estimated noise=0.427554 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00179346 Jy ! Component: 100 - total flux cleaned = 0.00307212 Jy ! Component: 150 - total flux cleaned = 0.00382896 Jy ! Component: 200 - total flux cleaned = 0.00453179 Jy ! Total flux subtracted in 200 components = 0.00453179 Jy ! Clean residual min=-0.002151 max=0.002126 Jy/beam ! Clean residual mean=0.000000 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.298816 Jy selfcal ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 366 components and 0.298816 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055350Jy sigma=1.284306 ! Fit after self-cal, rms=0.055350Jy sigma=1.284234 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 = 0.00051417 Jy ! Component: 100 - total flux cleaned = 0.000902853 Jy ! Component: 150 - total flux cleaned = 0.00125638 Jy ! Component: 200 - total flux cleaned = 0.0014923 Jy ! Total flux subtracted in 200 components = 0.0014923 Jy ! Clean residual min=-0.002097 max=0.002074 Jy/beam ! Clean residual mean=-0.000000 rms=0.000532 Jy/beam ! Combined flux in latest and established models = 0.300308 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 403 components and 0.300308 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055334Jy sigma=1.283868 ! Fit after self-cal, rms=0.055334Jy sigma=1.283834 ! 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=3.427 mas, bmaj=6.596 mas, bpa=-6.357 degrees ! Estimated noise=0.341914 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.427 x 6.596 at -6.357 degrees (North through East) ! Clean map min=-0.0016947 max=0.15306 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=2.879 mas, bmaj=6.115 mas, bpa=-6.166 degrees ! Estimated noise=0.511607 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.117238 Jy ! Component: 100 - total flux cleaned = 0.155178 Jy ! Component: 150 - total flux cleaned = 0.173688 Jy ! Component: 200 - total flux cleaned = 0.185669 Jy ! Total flux subtracted in 200 components = 0.185669 Jy ! Clean residual min=-0.005994 max=0.006959 Jy/beam ! Clean residual mean=-0.000031 rms=0.001539 Jy/beam ! Combined flux in latest and established models = 0.185669 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 31 model components to the UV plane model. ! The established model now contains 31 components and 0.185669 Jy ! Inverting map and beam ! Estimated beam: bmin=3.427 mas, bmaj=6.596 mas, bpa=-6.357 degrees ! Estimated noise=0.341914 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 = 0.0121788 Jy ! Component: 100 - total flux cleaned = 0.021746 Jy ! Component: 150 - total flux cleaned = 0.0296204 Jy ! Component: 200 - total flux cleaned = 0.03645 Jy ! Total flux subtracted in 200 components = 0.03645 Jy ! Clean residual min=-0.003195 max=0.004272 Jy/beam ! Clean residual mean=-0.000004 rms=0.001144 Jy/beam ! Combined flux in latest and established models = 0.222119 Jy ! Adding 71 model components to the UV plane model. ! The established model now contains 95 components and 0.222119 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=7.225 mas, bmaj=9.834 mas, bpa=-5.903 degrees ! Estimated noise=0.427554 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011461 Jy ! Component: 100 - total flux cleaned = 0.0206304 Jy ! Component: 150 - total flux cleaned = 0.0282341 Jy ! Component: 200 - total flux cleaned = 0.0346378 Jy ! Total flux subtracted in 200 components = 0.0346378 Jy ! Clean residual min=-0.003555 max=0.004177 Jy/beam ! Clean residual mean=-0.000004 rms=0.001299 Jy/beam ! Combined flux in latest and established models = 0.256757 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 = 0.00547465 Jy ! Component: 100 - total flux cleaned = 0.0101968 Jy ! Component: 150 - total flux cleaned = 0.0142947 Jy ! Component: 200 - total flux cleaned = 0.0178757 Jy ! Total flux subtracted in 200 components = 0.0178757 Jy ! Clean residual min=-0.002688 max=0.003087 Jy/beam ! Clean residual mean=-0.000003 rms=0.000889 Jy/beam ! Combined flux in latest and established models = 0.274632 Jy ! Adding 235 model components to the UV plane model. ! The established model now contains 305 components and 0.274632 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.427 mas, bmaj=6.596 mas, bpa=-6.357 degrees ! Estimated noise=0.341914 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.002539 Jy ! Component: 100 - total flux cleaned = 0.00465526 Jy ! Component: 150 - total flux cleaned = 0.00653475 Jy ! Component: 200 - total flux cleaned = 0.00811075 Jy ! Total flux subtracted in 200 components = 0.00811075 Jy ! Clean residual min=-0.001964 max=0.002105 Jy/beam ! Clean residual mean=-0.000001 rms=0.000514 Jy/beam ! Combined flux in latest and established models = 0.282743 Jy selfcal ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 346 components and 0.282743 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.055562Jy sigma=1.289980 ! Fit after self-cal, rms=0.055519Jy sigma=1.289301 wmodel J1827+2658_S_map.mod ! Writing 346 model components to file: J1827+2658_S_map.mod wobs J1827+2658_S_uvs.fits ! Writing UV FITS file: J1827+2658_S_uvs.fits wwins J1827+2658_S_map.win ! wwins: Wrote 7 windows to J1827+2658_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 = 0.000622196 Jy ! Component: 100 - total flux cleaned = 0.00108262 Jy ! Component: 150 - total flux cleaned = 0.00135118 Jy ! Component: 200 - total flux cleaned = 0.00160887 Jy ! Component: 250 - total flux cleaned = 0.00176455 Jy ! Component: 300 - total flux cleaned = 0.00188502 Jy ! Component: 350 - total flux cleaned = 0.00200179 Jy ! Component: 400 - total flux cleaned = 0.00211564 Jy ! Component: 450 - total flux cleaned = 0.00219907 Jy ! Component: 500 - total flux cleaned = 0.00225323 Jy ! Component: 550 - total flux cleaned = 0.00227985 Jy ! Component: 600 - total flux cleaned = 0.00233136 Jy ! Component: 650 - total flux cleaned = 0.00235647 Jy ! Component: 700 - total flux cleaned = 0.00235646 Jy ! Component: 750 - total flux cleaned = 0.00243009 Jy ! Component: 800 - total flux cleaned = 0.00252594 Jy ! Component: 850 - total flux cleaned = 0.00252604 Jy ! Component: 900 - total flux cleaned = 0.00254932 Jy ! Component: 950 - total flux cleaned = 0.00257221 Jy ! Component: 1000 - total flux cleaned = 0.00254984 Jy ! Component: 1050 - total flux cleaned = 0.00257221 Jy ! Component: 1100 - total flux cleaned = 0.00257288 Jy ! Component: 1150 - total flux cleaned = 0.00263792 Jy ! Component: 1200 - total flux cleaned = 0.00268072 Jy ! Component: 1250 - total flux cleaned = 0.00272261 Jy ! Component: 1300 - total flux cleaned = 0.00278479 Jy ! Component: 1350 - total flux cleaned = 0.00280489 Jy ! Component: 1400 - total flux cleaned = 0.00276403 Jy ! Component: 1450 - total flux cleaned = 0.00276356 Jy ! Component: 1500 - total flux cleaned = 0.00266477 Jy ! Component: 1550 - total flux cleaned = 0.00270388 Jy ! Component: 1600 - total flux cleaned = 0.00262659 Jy ! Component: 1650 - total flux cleaned = 0.00274098 Jy ! Component: 1700 - total flux cleaned = 0.00260847 Jy ! Component: 1750 - total flux cleaned = 0.00258983 Jy ! Component: 1800 - total flux cleaned = 0.00262711 Jy ! Component: 1850 - total flux cleaned = 0.00264523 Jy ! Component: 1900 - total flux cleaned = 0.00262729 Jy ! Component: 1950 - total flux cleaned = 0.00266353 Jy ! Component: 2000 - total flux cleaned = 0.00269908 Jy ! Component: 2050 - total flux cleaned = 0.00271653 Jy ! Component: 2100 - total flux cleaned = 0.00275108 Jy ! Component: 2150 - total flux cleaned = 0.00273377 Jy ! Component: 2200 - total flux cleaned = 0.00275083 Jy ! Component: 2250 - total flux cleaned = 0.00275063 Jy ! Component: 2300 - total flux cleaned = 0.00276731 Jy ! Component: 2350 - total flux cleaned = 0.00281698 Jy ! Component: 2400 - total flux cleaned = 0.00281705 Jy ! Component: 2450 - total flux cleaned = 0.00280076 Jy ! Component: 2500 - total flux cleaned = 0.00281694 Jy ! Component: 2550 - total flux cleaned = 0.00286498 Jy ! Component: 2600 - total flux cleaned = 0.00284887 Jy ! Component: 2650 - total flux cleaned = 0.00286457 Jy ! Component: 2700 - total flux cleaned = 0.00284894 Jy ! Component: 2750 - total flux cleaned = 0.00283334 Jy ! Component: 2800 - total flux cleaned = 0.00287951 Jy ! Component: 2850 - total flux cleaned = 0.00284894 Jy ! Component: 2900 - total flux cleaned = 0.00280352 Jy ! Component: 2950 - total flux cleaned = 0.00287889 Jy ! Component: 3000 - total flux cleaned = 0.00292336 Jy ! Component: 3050 - total flux cleaned = 0.00287923 Jy ! Component: 3100 - total flux cleaned = 0.0029086 Jy ! Component: 3150 - total flux cleaned = 0.0029232 Jy ! Component: 3200 - total flux cleaned = 0.00296637 Jy ! Component: 3250 - total flux cleaned = 0.00292344 Jy ! Component: 3300 - total flux cleaned = 0.00289515 Jy ! Component: 3350 - total flux cleaned = 0.00300787 Jy ! Component: 3400 - total flux cleaned = 0.00300787 Jy ! Component: 3450 - total flux cleaned = 0.00302167 Jy ! Component: 3500 - total flux cleaned = 0.0030217 Jy ! Component: 3550 - total flux cleaned = 0.00304895 Jy ! Component: 3600 - total flux cleaned = 0.00308963 Jy ! Component: 3650 - total flux cleaned = 0.00307612 Jy ! Component: 3700 - total flux cleaned = 0.00306282 Jy ! Component: 3750 - total flux cleaned = 0.00314248 Jy ! Component: 3800 - total flux cleaned = 0.0031294 Jy ! Component: 3850 - total flux cleaned = 0.00312942 Jy ! Component: 3900 - total flux cleaned = 0.00315542 Jy ! Component: 3950 - total flux cleaned = 0.00311678 Jy ! Component: 4000 - total flux cleaned = 0.00310395 Jy ! Component: 4050 - total flux cleaned = 0.0031422 Jy ! Total flux subtracted in 4096 components = 0.00310432 Jy ! Clean residual min=-0.000725 max=0.000720 Jy/beam ! Clean residual mean=-0.000002 rms=0.000239 Jy/beam ! Combined flux in latest and established models = 0.285847 Jy keep ! Adding 299 model components to the UV plane model. ! The established model now contains 642 components and 0.285847 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1827+2658_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.427 x 6.596 at -6.357 degrees (North through East) ! Clean map min=-0.0013451 max=0.15318 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1827+2658_S_map.fits wmodel /vlbi/uf001/uva//J1827+2658_S_map.mod ! Writing 642 model components to file: /vlbi/uf001/uva//J1827+2658_S_map.mod wobs /vlbi/uf001/uva//J1827+2658_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1827+2658_S_uvs.fits wwins /vlbi/uf001/uva//J1827+2658_S_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J1827+2658_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.153176 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000236326 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.462854 0.462854 0.925707 1.85141 3.70283 7.40566 14.8113 29.6226 59.2453 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.153 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 648.152 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1827+2658_S_dfm.log closed on Mon Jan 14 04:38:31 2019