! Started logfile: /vlbi/uf001/uva//J2050+3127_S_dfm.log on Mon Jan 14 05:39:28 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//J2050+3127_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2050+3127_S_uva.fits ! AN table 1: 110 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.983434 visibilities/baseline/integration-bin. ! Found source: J2050+3127 ! ! 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 14604 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 J2050+3127_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 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 29 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.056021Jy sigma=22.143376 ! Fit after self-cal, rms=0.824507Jy sigma=18.392138 ! 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=2.83 mas, bmaj=5.283 mas, bpa=-2.703 degrees ! Estimated noise=0.450304 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 = 0.115604 Jy ! Component: 100 - total flux cleaned = 0.187005 Jy ! Total flux subtracted in 100 components = 0.187005 Jy ! Clean residual min=-0.017468 max=0.056473 Jy/beam ! Clean residual mean=-0.000073 rms=0.006672 Jy/beam ! Combined flux in latest and established models = 0.187005 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 42 components and 0.187005 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.265967Jy sigma=4.560844 ! Fit after self-cal, rms=0.265127Jy sigma=4.533310 ! Inverting map ! Added new window around map position (-5, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0623809 Jy ! Component: 100 - total flux cleaned = 0.111554 Jy ! Total flux subtracted in 100 components = 0.111554 Jy ! Clean residual min=-0.015328 max=0.044492 Jy/beam ! Clean residual mean=-0.000063 rms=0.005291 Jy/beam ! Combined flux in latest and established models = 0.298559 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 87 components and 0.298559 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.220101Jy sigma=3.751433 ! Fit after self-cal, rms=0.219163Jy sigma=3.730652 ! Inverting map ! Added new window around map position (5, 1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.046996 Jy ! Component: 100 - total flux cleaned = 0.0856961 Jy ! Total flux subtracted in 100 components = 0.0856961 Jy ! Clean residual min=-0.011793 max=0.024931 Jy/beam ! Clean residual mean=-0.000054 rms=0.004284 Jy/beam ! Combined flux in latest and established models = 0.384255 Jy ! Performing phase self-cal ! Adding 60 model components to the UV plane model. ! The established model now contains 141 components and 0.384255 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.187070Jy sigma=3.178013 ! Fit after self-cal, rms=0.186914Jy sigma=3.175023 ! 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=3.472 mas, bmaj=6.123 mas, bpa=-3.189 degrees ! Estimated noise=0.286193 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 = 0.0725931 Jy ! Component: 100 - total flux cleaned = 0.130191 Jy ! Component: 150 - total flux cleaned = 0.176946 Jy ! Component: 200 - total flux cleaned = 0.215228 Jy ! Total flux subtracted in 200 components = 0.215228 Jy ! Clean residual min=-0.012901 max=0.031960 Jy/beam ! Clean residual mean=-0.000031 rms=0.005392 Jy/beam ! Combined flux in latest and established models = 0.599483 Jy ! Performing phase self-cal ! Adding 108 model components to the UV plane model. ! The established model now contains 219 components and 0.599483 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.120027Jy sigma=2.092510 ! Fit after self-cal, rms=0.119690Jy sigma=2.084476 ! Inverting map ! Added new window around map position (10, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.034145 Jy ! Component: 100 - total flux cleaned = 0.0617335 Jy ! Component: 150 - total flux cleaned = 0.0850241 Jy ! Component: 200 - total flux cleaned = 0.104847 Jy ! Total flux subtracted in 200 components = 0.104847 Jy ! Clean residual min=-0.010003 max=0.026616 Jy/beam ! Clean residual mean=-0.000020 rms=0.003846 Jy/beam ! Combined flux in latest and established models = 0.70433 Jy ! Performing phase self-cal ! Adding 89 model components to the UV plane model. ! The established model now contains 285 components and 0.70433 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.096824Jy sigma=1.743935 ! Fit after self-cal, rms=0.096122Jy sigma=1.727962 ! Inverting map ! Added new window around map position (-11, -5.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0243817 Jy ! Component: 100 - total flux cleaned = 0.0425396 Jy ! Component: 150 - total flux cleaned = 0.0582113 Jy ! Component: 200 - total flux cleaned = 0.0720417 Jy ! Total flux subtracted in 200 components = 0.0720417 Jy ! Clean residual min=-0.007620 max=0.016757 Jy/beam ! Clean residual mean=-0.000020 rms=0.002770 Jy/beam ! Combined flux in latest and established models = 0.776372 Jy ! Performing phase self-cal ! Adding 83 model components to the UV plane model. ! The established model now contains 352 components and 0.776372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.083519Jy sigma=1.523103 ! Fit after self-cal, rms=0.083330Jy sigma=1.518469 ! Inverting map ! Added new window around map position (-2, -11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.016501 Jy ! Component: 100 - total flux cleaned = 0.0283308 Jy ! Component: 150 - total flux cleaned = 0.03859 Jy ! Component: 200 - total flux cleaned = 0.0477357 Jy ! Total flux subtracted in 200 components = 0.0477357 Jy ! Clean residual min=-0.006742 max=0.012511 Jy/beam ! Clean residual mean=-0.000018 rms=0.002213 Jy/beam ! Combined flux in latest and established models = 0.824107 Jy ! Performing phase self-cal ! Adding 78 model components to the UV plane model. ! The established model now contains 417 components and 0.824107 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.077041Jy sigma=1.418014 ! Fit after self-cal, rms=0.076770Jy sigma=1.413111 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.472 x 6.123 at -3.189 degrees (North through East) ! Clean map min=-0.0068869 max=0.14344 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.03 HN 1.06 KP 1.00 ! LA 0.90 MK 0.94 NL 1.18 OV 1.07 ! PT 0.92 SC 1.04 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.04 HN 1.05 KP 1.00 ! LA 0.90 MK 0.93 NL 1.17 OV 0.98 ! PT 0.94 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 1.08 KP 1.00 ! LA 0.89 MK 0.91 NL 1.17 OV 1.04 ! PT 0.93 SC 0.96 ! ! ! Fit before self-cal, rms=0.076770Jy sigma=1.413111 ! Fit after self-cal, rms=0.067561Jy sigma=1.292116 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.42 mas, bmaj=6.114 mas, bpa=-3.539 degrees ! Estimated noise=0.291747 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 = 0.00207962 Jy ! Component: 100 - total flux cleaned = 0.00364582 Jy ! Component: 150 - total flux cleaned = 0.0048374 Jy ! Component: 200 - total flux cleaned = 0.00597216 Jy ! Total flux subtracted in 200 components = 0.00597216 Jy ! Clean residual min=-0.004729 max=0.005468 Jy/beam ! Clean residual mean=-0.000033 rms=0.001330 Jy/beam ! Combined flux in latest and established models = 0.83008 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 443 components and 0.830079 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066899Jy sigma=1.279365 ! Fit after self-cal, rms=0.066868Jy sigma=1.278372 ! 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=0.066868Jy sigma=1.278372 ! Fit after self-cal, rms=0.060346Jy sigma=1.207228 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.342 mas, bmaj=6.167 mas, bpa=-0.5533 degrees ! Estimated noise=0.28031 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00294268 Jy ! Component: 100 - total flux cleaned = 0.00440833 Jy ! Component: 150 - total flux cleaned = 0.00509517 Jy ! Component: 200 - total flux cleaned = 0.005782 Jy ! Total flux subtracted in 200 components = 0.005782 Jy ! Clean residual min=-0.003235 max=0.003281 Jy/beam ! Clean residual mean=0.000005 rms=0.000767 Jy/beam ! Combined flux in latest and established models = 0.835862 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 474 components and 0.835862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.060029Jy sigma=1.200690 ! Fit after self-cal, rms=0.060015Jy sigma=1.200282 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 (-5, 8.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00328621 Jy ! Component: 100 - total flux cleaned = 0.00382051 Jy ! Component: 150 - total flux cleaned = 0.00405048 Jy ! Component: 200 - total flux cleaned = 0.00425806 Jy ! Total flux subtracted in 200 components = 0.00425806 Jy ! Clean residual min=-0.002828 max=0.003041 Jy/beam ! Clean residual mean=0.000005 rms=0.000710 Jy/beam ! Combined flux in latest and established models = 0.84012 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 497 components and 0.84012 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059765Jy sigma=1.194588 ! Fit after self-cal, rms=0.059737Jy sigma=1.194110 ! Inverting map ! Added new window around map position (19, 23). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00252763 Jy ! Component: 100 - total flux cleaned = 0.00359345 Jy ! Component: 150 - total flux cleaned = 0.00420235 Jy ! Component: 200 - total flux cleaned = 0.00464387 Jy ! Total flux subtracted in 200 components = 0.00464387 Jy ! Clean residual min=-0.002773 max=0.002926 Jy/beam ! Clean residual mean=0.000003 rms=0.000668 Jy/beam ! Combined flux in latest and established models = 0.844764 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 522 components and 0.844764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059537Jy sigma=1.189788 ! Fit after self-cal, rms=0.059525Jy sigma=1.189486 ! Inverting map ! Added new window around map position (-59.5, 46). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00254992 Jy ! Component: 100 - total flux cleaned = 0.00305103 Jy ! Component: 150 - total flux cleaned = 0.00388669 Jy ! Component: 200 - total flux cleaned = 0.00465393 Jy ! Total flux subtracted in 200 components = 0.00465393 Jy ! Clean residual min=-0.002517 max=0.002423 Jy/beam ! Clean residual mean=0.000003 rms=0.000619 Jy/beam ! Combined flux in latest and established models = 0.849418 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 546 components and 0.849418 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059346Jy sigma=1.185491 ! Fit after self-cal, rms=0.059332Jy sigma=1.185291 ! 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=0.059332Jy sigma=1.185291 ! Fit after self-cal, rms=0.058093Jy sigma=1.183315 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.29 mas, bmaj=6.069 mas, bpa=1.361 degrees ! Estimated noise=0.271918 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00197068 Jy ! Component: 100 - total flux cleaned = 0.00340845 Jy ! Component: 150 - total flux cleaned = 0.00461807 Jy ! Component: 200 - total flux cleaned = 0.00550962 Jy ! Total flux subtracted in 200 components = 0.00550962 Jy ! Clean residual min=-0.002204 max=0.002140 Jy/beam ! Clean residual mean=0.000003 rms=0.000542 Jy/beam ! Combined flux in latest and established models = 0.854927 Jy selfcal ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 570 components and 0.854927 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057969Jy sigma=1.180533 ! Fit after self-cal, rms=0.057959Jy sigma=1.180383 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 = 0.000697584 Jy ! Component: 100 - total flux cleaned = 0.00133442 Jy ! Component: 150 - total flux cleaned = 0.00179361 Jy ! Component: 200 - total flux cleaned = 0.00218553 Jy ! Total flux subtracted in 200 components = 0.00218553 Jy ! Clean residual min=-0.002077 max=0.002177 Jy/beam ! Clean residual mean=0.000003 rms=0.000522 Jy/beam ! Combined flux in latest and established models = 0.857113 Jy ! Performing phase self-cal ! Adding 56 model components to the UV plane model. ! The established model now contains 589 components and 0.857113 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057892Jy sigma=1.178759 ! Fit after self-cal, rms=0.057888Jy sigma=1.178690 ! 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=0.057888Jy sigma=1.178690 ! Fit after self-cal, rms=0.057501Jy sigma=1.178325 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.995 mas, bmaj=9.257 mas, bpa=-0.003298 degrees ! Estimated noise=0.381549 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00247199 Jy ! Component: 100 - total flux cleaned = 0.00431628 Jy ! Component: 150 - total flux cleaned = 0.00574379 Jy ! Component: 200 - total flux cleaned = 0.00687533 Jy ! Total flux subtracted in 200 components = 0.00687533 Jy ! Clean residual min=-0.002584 max=0.003296 Jy/beam ! Clean residual mean=0.000004 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 0.863988 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 612 components and 0.863988 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057428Jy sigma=1.177433 ! Fit after self-cal, rms=0.057417Jy sigma=1.177208 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 = 0.000649828 Jy ! Component: 100 - total flux cleaned = 0.00161338 Jy ! Component: 150 - total flux cleaned = 0.00235239 Jy ! Component: 200 - total flux cleaned = 0.00302698 Jy ! Total flux subtracted in 200 components = 0.00302698 Jy ! Clean residual min=-0.002366 max=0.003250 Jy/beam ! Clean residual mean=0.000003 rms=0.000765 Jy/beam ! Combined flux in latest and established models = 0.867015 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 635 components and 0.867015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057392Jy sigma=1.176978 ! Fit after self-cal, rms=0.057389Jy sigma=1.176887 ! 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=3.274 mas, bmaj=6.013 mas, bpa=1.776 degrees ! Estimated noise=0.269166 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.274 x 6.013 at 1.776 degrees (North through East) ! Clean map min=-0.0021778 max=0.13133 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=2.655 mas, bmaj=5.253 mas, bpa=2.374 degrees ! Estimated noise=0.412204 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.108877 Jy ! Component: 100 - total flux cleaned = 0.183078 Jy ! Component: 150 - total flux cleaned = 0.241886 Jy ! Component: 200 - total flux cleaned = 0.291056 Jy ! Total flux subtracted in 200 components = 0.291056 Jy ! Clean residual min=-0.014190 max=0.030252 Jy/beam ! Clean residual mean=-0.000051 rms=0.004813 Jy/beam ! Combined flux in latest and established models = 0.291056 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 103 model components to the UV plane model. ! The established model now contains 103 components and 0.291056 Jy ! Inverting map and beam ! Estimated beam: bmin=3.274 mas, bmaj=6.013 mas, bpa=1.776 degrees ! Estimated noise=0.269166 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 = 0.0871448 Jy ! Component: 100 - total flux cleaned = 0.154763 Jy ! Component: 150 - total flux cleaned = 0.209171 Jy ! Component: 200 - total flux cleaned = 0.253741 Jy ! Total flux subtracted in 200 components = 0.253741 Jy ! Clean residual min=-0.011855 max=0.026981 Jy/beam ! Clean residual mean=-0.000020 rms=0.005211 Jy/beam ! Combined flux in latest and established models = 0.544797 Jy ! Adding 144 model components to the UV plane model. ! The established model now contains 230 components and 0.544797 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0370885 Jy ! Component: 100 - total flux cleaned = 0.0683073 Jy ! Component: 150 - total flux cleaned = 0.0949404 Jy ! Component: 200 - total flux cleaned = 0.117945 Jy ! Total flux subtracted in 200 components = 0.117945 Jy ! Clean residual min=-0.007463 max=0.014762 Jy/beam ! Clean residual mean=-0.000005 rms=0.003075 Jy/beam ! Combined flux in latest and established models = 0.662742 Jy ! Adding 130 model components to the UV plane model. ! The established model now contains 348 components and 0.662743 Jy ! Inverting map ! Added new window around map position (1.5, 7.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0201106 Jy ! Component: 100 - total flux cleaned = 0.0377232 Jy ! Component: 150 - total flux cleaned = 0.0532359 Jy ! Component: 200 - total flux cleaned = 0.0669379 Jy ! Total flux subtracted in 200 components = 0.0669379 Jy ! Clean residual min=-0.004993 max=0.008590 Jy/beam ! Clean residual mean=0.000001 rms=0.001967 Jy/beam ! Combined flux in latest and established models = 0.729681 Jy ! Adding 113 model components to the UV plane model. ! The established model now contains 441 components and 0.72968 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0121429 Jy ! Component: 100 - total flux cleaned = 0.022934 Jy ! Component: 150 - total flux cleaned = 0.0325554 Jy ! Component: 200 - total flux cleaned = 0.0411557 Jy ! Total flux subtracted in 200 components = 0.0411557 Jy ! Clean residual min=-0.003831 max=0.005665 Jy/beam ! Clean residual mean=0.000003 rms=0.001336 Jy/beam ! Combined flux in latest and established models = 0.770836 Jy ! Adding 107 model components to the UV plane model. ! The established model now contains 522 components and 0.770836 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=6.995 mas, bmaj=9.257 mas, bpa=-0.003298 degrees ! Estimated noise=0.381549 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0165797 Jy ! Component: 100 - total flux cleaned = 0.0291227 Jy ! Component: 150 - total flux cleaned = 0.0390052 Jy ! Component: 200 - total flux cleaned = 0.0469708 Jy ! Total flux subtracted in 200 components = 0.0469708 Jy ! Clean residual min=-0.004569 max=0.004915 Jy/beam ! Clean residual mean=0.000010 rms=0.001462 Jy/beam ! Combined flux in latest and established models = 0.817807 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 = 0.00651173 Jy ! Component: 100 - total flux cleaned = 0.0119027 Jy ! Component: 150 - total flux cleaned = 0.0164534 Jy ! Component: 200 - total flux cleaned = 0.020408 Jy ! Total flux subtracted in 200 components = 0.020408 Jy ! Clean residual min=-0.003475 max=0.003179 Jy/beam ! Clean residual mean=0.000007 rms=0.001025 Jy/beam ! Combined flux in latest and established models = 0.838215 Jy ! Adding 255 model components to the UV plane model. ! The established model now contains 735 components and 0.838215 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.274 mas, bmaj=6.013 mas, bpa=1.776 degrees ! Estimated noise=0.269166 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00276114 Jy ! Component: 100 - total flux cleaned = 0.0048591 Jy ! Component: 150 - total flux cleaned = 0.00631944 Jy ! Component: 200 - total flux cleaned = 0.00765 Jy ! Total flux subtracted in 200 components = 0.00765 Jy ! Clean residual min=-0.002326 max=0.002483 Jy/beam ! Clean residual mean=0.000003 rms=0.000544 Jy/beam ! Combined flux in latest and established models = 0.845865 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 767 components and 0.845865 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057614Jy sigma=1.181238 ! Fit after self-cal, rms=0.057570Jy sigma=1.178884 wmodel J2050+3127_S_map.mod ! Writing 767 model components to file: J2050+3127_S_map.mod wobs J2050+3127_S_uvs.fits ! Writing UV FITS file: J2050+3127_S_uvs.fits wwins J2050+3127_S_map.win ! wwins: Wrote 10 windows to J2050+3127_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 = 0.000689832 Jy ! Component: 100 - total flux cleaned = 0.000976171 Jy ! Component: 150 - total flux cleaned = 0.00144363 Jy ! Component: 200 - total flux cleaned = 0.00182625 Jy ! Component: 250 - total flux cleaned = 0.00216463 Jy ! Component: 300 - total flux cleaned = 0.00246162 Jy ! Component: 350 - total flux cleaned = 0.00275034 Jy ! Component: 400 - total flux cleaned = 0.00303253 Jy ! Component: 450 - total flux cleaned = 0.00322587 Jy ! Component: 500 - total flux cleaned = 0.00346817 Jy ! Component: 550 - total flux cleaned = 0.00360025 Jy ! Component: 600 - total flux cleaned = 0.00375576 Jy ! Component: 650 - total flux cleaned = 0.00388304 Jy ! Component: 700 - total flux cleaned = 0.00400782 Jy ! Component: 750 - total flux cleaned = 0.00410541 Jy ! Component: 800 - total flux cleaned = 0.00420167 Jy ! Component: 850 - total flux cleaned = 0.00424904 Jy ! Component: 900 - total flux cleaned = 0.00431919 Jy ! Component: 950 - total flux cleaned = 0.00445743 Jy ! Component: 1000 - total flux cleaned = 0.00447995 Jy ! Component: 1050 - total flux cleaned = 0.00448015 Jy ! Component: 1100 - total flux cleaned = 0.00461343 Jy ! Component: 1150 - total flux cleaned = 0.00461317 Jy ! Component: 1200 - total flux cleaned = 0.00469899 Jy ! Component: 1250 - total flux cleaned = 0.00472005 Jy ! Component: 1300 - total flux cleaned = 0.00474119 Jy ! Component: 1350 - total flux cleaned = 0.00486581 Jy ! Component: 1400 - total flux cleaned = 0.00496813 Jy ! Component: 1450 - total flux cleaned = 0.00496799 Jy ! Component: 1500 - total flux cleaned = 0.00506811 Jy ! Component: 1550 - total flux cleaned = 0.00518678 Jy ! Component: 1600 - total flux cleaned = 0.00522618 Jy ! Component: 1650 - total flux cleaned = 0.00532287 Jy ! Component: 1700 - total flux cleaned = 0.00545604 Jy ! Component: 1750 - total flux cleaned = 0.00549312 Jy ! Component: 1800 - total flux cleaned = 0.00556727 Jy ! Component: 1850 - total flux cleaned = 0.00558581 Jy ! Component: 1900 - total flux cleaned = 0.00560388 Jy ! Component: 1950 - total flux cleaned = 0.00565844 Jy ! Component: 2000 - total flux cleaned = 0.00567659 Jy ! Component: 2050 - total flux cleaned = 0.00578305 Jy ! Component: 2100 - total flux cleaned = 0.00585283 Jy ! Component: 2150 - total flux cleaned = 0.00590477 Jy ! Component: 2200 - total flux cleaned = 0.005922 Jy ! Component: 2250 - total flux cleaned = 0.00602409 Jy ! Component: 2300 - total flux cleaned = 0.0060577 Jy ! Component: 2350 - total flux cleaned = 0.00599085 Jy ! Component: 2400 - total flux cleaned = 0.00612311 Jy ! Component: 2450 - total flux cleaned = 0.00610677 Jy ! Component: 2500 - total flux cleaned = 0.00620406 Jy ! Component: 2550 - total flux cleaned = 0.00620405 Jy ! Component: 2600 - total flux cleaned = 0.00626794 Jy ! Component: 2650 - total flux cleaned = 0.00626802 Jy ! Component: 2700 - total flux cleaned = 0.00628374 Jy ! Component: 2750 - total flux cleaned = 0.00628366 Jy ! Component: 2800 - total flux cleaned = 0.00640714 Jy ! Component: 2850 - total flux cleaned = 0.00642241 Jy ! Component: 2900 - total flux cleaned = 0.00652814 Jy ! Component: 2950 - total flux cleaned = 0.00657301 Jy ! Component: 3000 - total flux cleaned = 0.00655799 Jy ! Component: 3050 - total flux cleaned = 0.00663163 Jy ! Component: 3100 - total flux cleaned = 0.00667567 Jy ! Component: 3150 - total flux cleaned = 0.00679188 Jy ! Component: 3200 - total flux cleaned = 0.00676302 Jy ! Component: 3250 - total flux cleaned = 0.00684887 Jy ! Component: 3300 - total flux cleaned = 0.006863 Jy ! Component: 3350 - total flux cleaned = 0.00691897 Jy ! Component: 3400 - total flux cleaned = 0.00698884 Jy ! Component: 3450 - total flux cleaned = 0.00698889 Jy ! Component: 3500 - total flux cleaned = 0.00701643 Jy ! Component: 3550 - total flux cleaned = 0.00702991 Jy ! Component: 3600 - total flux cleaned = 0.00705719 Jy ! Component: 3650 - total flux cleaned = 0.00705733 Jy ! Component: 3700 - total flux cleaned = 0.00704409 Jy ! Component: 3750 - total flux cleaned = 0.00709759 Jy ! Component: 3800 - total flux cleaned = 0.0070844 Jy ! Component: 3850 - total flux cleaned = 0.00716295 Jy ! Component: 3900 - total flux cleaned = 0.00713692 Jy ! Component: 3950 - total flux cleaned = 0.00721443 Jy ! Component: 4000 - total flux cleaned = 0.00722724 Jy ! Component: 4050 - total flux cleaned = 0.00717632 Jy ! Total flux subtracted in 4096 components = 0.00722698 Jy ! Clean residual min=-0.000631 max=0.000808 Jy/beam ! Clean residual mean=-0.000001 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.853092 Jy keep ! Adding 359 model components to the UV plane model. ! The established model now contains 1123 components and 0.853092 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2050+3127_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.274 x 6.013 at 1.776 degrees (North through East) ! Clean map min=-0.0013554 max=0.13432 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2050+3127_S_map.fits wmodel /vlbi/uf001/uva//J2050+3127_S_map.mod ! Writing 1123 model components to file: /vlbi/uf001/uva//J2050+3127_S_map.mod wobs /vlbi/uf001/uva//J2050+3127_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2050+3127_S_uvs.fits wwins /vlbi/uf001/uva//J2050+3127_S_map.win ! wwins: Wrote 11 windows to /vlbi/uf001/uva//J2050+3127_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.134321 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000253358 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.565862 0.565862 1.13172 2.26345 4.5269 9.05379 18.1076 36.2152 72.4303 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.134 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 530.164 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2050+3127_S_dfm.log closed on Mon Jan 14 05:39:34 2019