! Started logfile: /vlbi/uf001/uva//J2257+5720_S_dfm.log on Mon Jan 14 06:28:55 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//J2257+5720_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2257+5720_S_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.973099 visibilities/baseline/integration-bin. ! Found source: J2257+5720 ! ! 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 7488 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 J2257+5720_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 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003357Jy sigma=23.759699 ! Fit after self-cal, rms=0.888416Jy sigma=21.024007 ! 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=2.984 mas, bmaj=4.156 mas, bpa=-10.22 degrees ! Estimated noise=0.515487 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 = 0.0809988 Jy ! Component: 100 - total flux cleaned = 0.110722 Jy ! Total flux subtracted in 100 components = 0.110722 Jy ! Clean residual min=-0.006177 max=0.013598 Jy/beam ! Clean residual mean=-0.000030 rms=0.001673 Jy/beam ! Combined flux in latest and established models = 0.110722 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.110722 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.067280Jy sigma=1.547259 ! Fit after self-cal, rms=0.067130Jy sigma=1.543150 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.015213 Jy ! Component: 100 - total flux cleaned = 0.0233457 Jy ! Total flux subtracted in 100 components = 0.0233457 Jy ! Clean residual min=-0.005337 max=0.011251 Jy/beam ! Clean residual mean=-0.000018 rms=0.001312 Jy/beam ! Combined flux in latest and established models = 0.134068 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 21 components and 0.134068 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.062325Jy sigma=1.426145 ! Fit after self-cal, rms=0.062307Jy sigma=1.425745 ! Inverting map ! Added new window around map position (7, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011406 Jy ! Component: 100 - total flux cleaned = 0.0179148 Jy ! Total flux subtracted in 100 components = 0.0179148 Jy ! Clean residual min=-0.004518 max=0.005599 Jy/beam ! Clean residual mean=-0.000010 rms=0.001026 Jy/beam ! Combined flux in latest and established models = 0.151983 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 54 components and 0.151983 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.059461Jy sigma=1.356977 ! Fit after self-cal, rms=0.059178Jy sigma=1.350319 ! 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=3.669 mas, bmaj=4.991 mas, bpa=-10.69 degrees ! Estimated noise=0.353462 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 = 0.00805905 Jy ! Component: 100 - total flux cleaned = 0.0132597 Jy ! Component: 150 - total flux cleaned = 0.0170189 Jy ! Component: 200 - total flux cleaned = 0.0197812 Jy ! Total flux subtracted in 200 components = 0.0197812 Jy ! Clean residual min=-0.003214 max=0.004352 Jy/beam ! Clean residual mean=0.000001 rms=0.000763 Jy/beam ! Combined flux in latest and established models = 0.171764 Jy ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 95 components and 0.171764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057876Jy sigma=1.317920 ! Fit after self-cal, rms=0.057787Jy sigma=1.315665 ! Inverting map ! Added new window around map position (12.5, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00441122 Jy ! Component: 100 - total flux cleaned = 0.00696676 Jy ! Component: 150 - total flux cleaned = 0.00883964 Jy ! Component: 200 - total flux cleaned = 0.0103282 Jy ! Total flux subtracted in 200 components = 0.0103282 Jy ! Clean residual min=-0.002531 max=0.002802 Jy/beam ! Clean residual mean=0.000008 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.182092 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 123 components and 0.182092 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057399Jy sigma=1.306569 ! Fit after self-cal, rms=0.057363Jy sigma=1.305718 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.669 x 4.991 at -10.69 degrees (North through East) ! Clean map min=-0.0023368 max=0.10686 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 1.02 KP 1.03 ! LA 0.92 MK 1.03 NL 1.06 OV 1.01 ! PT 0.99 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HN 1.00 KP 1.02 ! LA 0.93 MK 1.04 NL 1.06 OV 1.02 ! PT 1.00 SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.94 HN 0.99 KP 1.02 ! LA 0.95 MK 0.96 NL 1.08 OV 1.01 ! PT 1.00 SC 0.99 ! ! ! Fit before self-cal, rms=0.057363Jy sigma=1.305718 ! Fit after self-cal, rms=0.057270Jy sigma=1.296121 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.683 mas, bmaj=5.008 mas, bpa=-10.59 degrees ! Estimated noise=0.353161 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 = 0.000684589 Jy ! Component: 100 - total flux cleaned = 0.00101484 Jy ! Component: 150 - total flux cleaned = 0.00106695 Jy ! Component: 200 - total flux cleaned = 0.00104487 Jy ! Total flux subtracted in 200 components = 0.00104487 Jy ! Clean residual min=-0.002031 max=0.002087 Jy/beam ! Clean residual mean=0.000017 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 0.183137 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 144 components and 0.183137 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057237Jy sigma=1.295429 ! Fit after self-cal, rms=0.057264Jy sigma=1.295239 ! 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=0.057264Jy sigma=1.295239 ! Fit after self-cal, rms=0.057450Jy sigma=1.291173 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.678 mas, bmaj=5.001 mas, bpa=-10.96 degrees ! Estimated noise=0.353075 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000438866 Jy ! Component: 100 - total flux cleaned = 0.000381751 Jy ! Component: 150 - total flux cleaned = 0.000331221 Jy ! Component: 200 - total flux cleaned = 0.000286375 Jy ! Total flux subtracted in 200 components = 0.000286375 Jy ! Clean residual min=-0.001618 max=0.001856 Jy/beam ! Clean residual mean=0.000014 rms=0.000452 Jy/beam ! Combined flux in latest and established models = 0.183423 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 161 components and 0.183423 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057422Jy sigma=1.290702 ! Fit after self-cal, rms=0.057430Jy sigma=1.290627 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 = 0.000163451 Jy ! Component: 100 - total flux cleaned = 0.000102734 Jy ! Component: 150 - total flux cleaned = 6.63048e-05 Jy ! Component: 200 - total flux cleaned = 4.96352e-05 Jy ! Total flux subtracted in 200 components = 4.96352e-05 Jy ! Clean residual min=-0.001624 max=0.001837 Jy/beam ! Clean residual mean=0.000014 rms=0.000448 Jy/beam ! Combined flux in latest and established models = 0.183473 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 171 components and 0.183473 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057417Jy sigma=1.290399 ! Fit after self-cal, rms=0.057416Jy sigma=1.290386 ! 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=0.057416Jy sigma=1.290386 ! Fit after self-cal, rms=0.057522Jy sigma=1.290325 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.68 mas, bmaj=5.006 mas, bpa=-10.7 degrees ! Estimated noise=0.353294 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000138561 Jy ! Component: 100 - total flux cleaned = 8.27247e-05 Jy ! Component: 150 - total flux cleaned = 4.89806e-05 Jy ! Component: 200 - total flux cleaned = 4.89347e-05 Jy ! Total flux subtracted in 200 components = 4.89347e-05 Jy ! Clean residual min=-0.001628 max=0.001824 Jy/beam ! Clean residual mean=0.000014 rms=0.000445 Jy/beam ! Combined flux in latest and established models = 0.183522 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 176 components and 0.183522 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057510Jy sigma=1.290114 ! Fit after self-cal, rms=0.057511Jy sigma=1.290097 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 = 7.84285e-05 Jy ! Component: 100 - total flux cleaned = 6.32278e-05 Jy ! Component: 150 - total flux cleaned = 6.32021e-05 Jy ! Component: 200 - total flux cleaned = 6.32369e-05 Jy ! Total flux subtracted in 200 components = 6.32369e-05 Jy ! Clean residual min=-0.001612 max=0.001817 Jy/beam ! Clean residual mean=0.000014 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.183585 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 180 components and 0.183585 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057503Jy sigma=1.289961 ! Fit after self-cal, rms=0.057503Jy sigma=1.289956 ! 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=0.057503Jy sigma=1.289956 ! Fit after self-cal, rms=0.057542Jy sigma=1.289929 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.973 mas, bmaj=8.694 mas, bpa=-1.863 degrees ! Estimated noise=0.451873 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000160284 Jy ! Component: 100 - total flux cleaned = 0.000143862 Jy ! Component: 150 - total flux cleaned = 0.00012182 Jy ! Component: 200 - total flux cleaned = 0.000111899 Jy ! Total flux subtracted in 200 components = 0.000111899 Jy ! Clean residual min=-0.001876 max=0.002229 Jy/beam ! Clean residual mean=0.000030 rms=0.000574 Jy/beam ! Combined flux in latest and established models = 0.183697 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 189 components and 0.183697 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057537Jy sigma=1.289954 ! Fit after self-cal, rms=0.057538Jy sigma=1.289909 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 = 7.61499e-05 Jy ! Component: 100 - total flux cleaned = 0.000121823 Jy ! Component: 150 - total flux cleaned = 0.000121957 Jy ! Component: 200 - total flux cleaned = 0.000113364 Jy ! Total flux subtracted in 200 components = 0.000113364 Jy ! Clean residual min=-0.001909 max=0.002213 Jy/beam ! Clean residual mean=0.000030 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.18381 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 189 components and 0.18381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057537Jy sigma=1.289929 ! Fit after self-cal, rms=0.057537Jy sigma=1.289911 ! 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=3.68 mas, bmaj=5.008 mas, bpa=-10.54 degrees ! Estimated noise=0.353257 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.68 x 5.008 at -10.54 degrees (North through East) ! Clean map min=-0.0015045 max=0.10653 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=2.987 mas, bmaj=4.158 mas, bpa=-10.09 degrees ! Estimated noise=0.516517 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0808489 Jy ! Component: 100 - total flux cleaned = 0.110813 Jy ! Component: 150 - total flux cleaned = 0.12779 Jy ! Component: 200 - total flux cleaned = 0.139354 Jy ! Total flux subtracted in 200 components = 0.139354 Jy ! Clean residual min=-0.004131 max=0.006503 Jy/beam ! Clean residual mean=-0.000012 rms=0.001048 Jy/beam ! Combined flux in latest and established models = 0.139354 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.139354 Jy ! Inverting map and beam ! Estimated beam: bmin=3.68 mas, bmaj=5.008 mas, bpa=-10.54 degrees ! Estimated noise=0.353257 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 = 0.0118545 Jy ! Component: 100 - total flux cleaned = 0.0197151 Jy ! Component: 150 - total flux cleaned = 0.0254692 Jy ! Component: 200 - total flux cleaned = 0.0298232 Jy ! Total flux subtracted in 200 components = 0.0298232 Jy ! Clean residual min=-0.002337 max=0.002719 Jy/beam ! Clean residual mean=0.000004 rms=0.000587 Jy/beam ! Combined flux in latest and established models = 0.169178 Jy ! Adding 75 model components to the UV plane model. ! The established model now contains 93 components and 0.169178 Jy ! Inverting map ! Added new window around map position (5.5, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00336154 Jy ! Component: 100 - total flux cleaned = 0.00593969 Jy ! Component: 150 - total flux cleaned = 0.00795031 Jy ! Component: 200 - total flux cleaned = 0.00953908 Jy ! Total flux subtracted in 200 components = 0.00953908 Jy ! Clean residual min=-0.001830 max=0.001759 Jy/beam ! Clean residual mean=0.000011 rms=0.000470 Jy/beam ! Combined flux in latest and established models = 0.178717 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 136 components and 0.178717 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=7.973 mas, bmaj=8.694 mas, bpa=-1.863 degrees ! Estimated noise=0.451873 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00218929 Jy ! Component: 100 - total flux cleaned = 0.00345922 Jy ! Component: 150 - total flux cleaned = 0.00426428 Jy ! Component: 200 - total flux cleaned = 0.00466344 Jy ! Total flux subtracted in 200 components = 0.00466344 Jy ! Clean residual min=-0.001992 max=0.002223 Jy/beam ! Clean residual mean=0.000030 rms=0.000574 Jy/beam ! Combined flux in latest and established models = 0.18338 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 = 0.000141099 Jy ! Component: 100 - total flux cleaned = 0.000218057 Jy ! Component: 150 - total flux cleaned = 0.0002608 Jy ! Component: 200 - total flux cleaned = 0.000299822 Jy ! Total flux subtracted in 200 components = 0.000299822 Jy ! Clean residual min=-0.001942 max=0.002190 Jy/beam ! Clean residual mean=0.000030 rms=0.000570 Jy/beam ! Combined flux in latest and established models = 0.18368 Jy ! Adding 71 model components to the UV plane model. ! The established model now contains 187 components and 0.18368 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.68 mas, bmaj=5.008 mas, bpa=-10.54 degrees ! Estimated noise=0.353257 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000479722 Jy ! Component: 100 - total flux cleaned = -0.000453835 Jy ! Component: 150 - total flux cleaned = -0.00045319 Jy ! Component: 200 - total flux cleaned = -0.000394309 Jy ! Total flux subtracted in 200 components = -0.000394309 Jy ! Clean residual min=-0.001605 max=0.001776 Jy/beam ! Clean residual mean=0.000013 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.183286 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 201 components and 0.183286 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.057543Jy sigma=1.290085 ! Fit after self-cal, rms=0.057538Jy sigma=1.289966 wmodel J2257+5720_S_map.mod ! Writing 201 model components to file: J2257+5720_S_map.mod wobs J2257+5720_S_uvs.fits ! Writing UV FITS file: J2257+5720_S_uvs.fits wwins J2257+5720_S_map.win ! wwins: Wrote 4 windows to J2257+5720_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 = 0.000618987 Jy ! Component: 100 - total flux cleaned = 0.000889714 Jy ! Component: 150 - total flux cleaned = 0.00109104 Jy ! Component: 200 - total flux cleaned = 0.00120227 Jy ! Component: 250 - total flux cleaned = 0.00125643 Jy ! Component: 300 - total flux cleaned = 0.00128273 Jy ! Component: 350 - total flux cleaned = 0.00130822 Jy ! Component: 400 - total flux cleaned = 0.00138347 Jy ! Component: 450 - total flux cleaned = 0.001433 Jy ! Component: 500 - total flux cleaned = 0.00160177 Jy ! Component: 550 - total flux cleaned = 0.00169586 Jy ! Component: 600 - total flux cleaned = 0.00181178 Jy ! Component: 650 - total flux cleaned = 0.00190283 Jy ! Component: 700 - total flux cleaned = 0.00194788 Jy ! Component: 750 - total flux cleaned = 0.00205894 Jy ! Component: 800 - total flux cleaned = 0.00216786 Jy ! Component: 850 - total flux cleaned = 0.00225388 Jy ! Component: 900 - total flux cleaned = 0.00233832 Jy ! Component: 950 - total flux cleaned = 0.00235898 Jy ! Component: 1000 - total flux cleaned = 0.0023996 Jy ! Component: 1050 - total flux cleaned = 0.0024398 Jy ! Component: 1100 - total flux cleaned = 0.00251933 Jy ! Component: 1150 - total flux cleaned = 0.00255873 Jy ! Component: 1200 - total flux cleaned = 0.00259762 Jy ! Component: 1250 - total flux cleaned = 0.00265535 Jy ! Component: 1300 - total flux cleaned = 0.00278797 Jy ! Component: 1350 - total flux cleaned = 0.00280675 Jy ! Component: 1400 - total flux cleaned = 0.00286233 Jy ! Component: 1450 - total flux cleaned = 0.00293555 Jy ! Component: 1500 - total flux cleaned = 0.00300817 Jy ! Component: 1550 - total flux cleaned = 0.00306154 Jy ! Component: 1600 - total flux cleaned = 0.00306182 Jy ! Component: 1650 - total flux cleaned = 0.00318489 Jy ! Component: 1700 - total flux cleaned = 0.00318484 Jy ! Component: 1750 - total flux cleaned = 0.0033053 Jy ! Component: 1800 - total flux cleaned = 0.00340755 Jy ! Component: 1850 - total flux cleaned = 0.00340733 Jy ! Component: 1900 - total flux cleaned = 0.00352464 Jy ! Component: 1950 - total flux cleaned = 0.00350762 Jy ! Component: 2000 - total flux cleaned = 0.0036555 Jy ! Component: 2050 - total flux cleaned = 0.00372041 Jy ! Component: 2100 - total flux cleaned = 0.00376873 Jy ! Component: 2150 - total flux cleaned = 0.00388052 Jy ! Component: 2200 - total flux cleaned = 0.00391227 Jy ! Component: 2250 - total flux cleaned = 0.00392805 Jy ! Component: 2300 - total flux cleaned = 0.00403718 Jy ! Component: 2350 - total flux cleaned = 0.00409863 Jy ! Component: 2400 - total flux cleaned = 0.00412932 Jy ! Component: 2450 - total flux cleaned = 0.00414477 Jy ! Component: 2500 - total flux cleaned = 0.00424984 Jy ! Component: 2550 - total flux cleaned = 0.00429451 Jy ! Component: 2600 - total flux cleaned = 0.00433887 Jy ! Component: 2650 - total flux cleaned = 0.00439757 Jy ! Component: 2700 - total flux cleaned = 0.00439749 Jy ! Component: 2750 - total flux cleaned = 0.00446947 Jy ! Component: 2800 - total flux cleaned = 0.00452658 Jy ! Component: 2850 - total flux cleaned = 0.00456892 Jy ! Component: 2900 - total flux cleaned = 0.00459707 Jy ! Component: 2950 - total flux cleaned = 0.0046951 Jy ! Component: 3000 - total flux cleaned = 0.00470895 Jy ! Component: 3050 - total flux cleaned = 0.0047777 Jy ! Component: 3100 - total flux cleaned = 0.00485959 Jy ! Component: 3150 - total flux cleaned = 0.00490035 Jy ! Component: 3200 - total flux cleaned = 0.00491365 Jy ! Component: 3250 - total flux cleaned = 0.00499404 Jy ! Component: 3300 - total flux cleaned = 0.00507381 Jy ! Component: 3350 - total flux cleaned = 0.00519231 Jy ! Component: 3400 - total flux cleaned = 0.00519217 Jy ! Component: 3450 - total flux cleaned = 0.00524427 Jy ! Component: 3500 - total flux cleaned = 0.0052828 Jy ! Component: 3550 - total flux cleaned = 0.0053853 Jy ! Component: 3600 - total flux cleaned = 0.00542339 Jy ! Component: 3650 - total flux cleaned = 0.00544866 Jy ! Component: 3700 - total flux cleaned = 0.00552402 Jy ! Component: 3750 - total flux cleaned = 0.005549 Jy ! Component: 3800 - total flux cleaned = 0.0056726 Jy ! Component: 3850 - total flux cleaned = 0.00570949 Jy ! Component: 3900 - total flux cleaned = 0.00574602 Jy ! Component: 3950 - total flux cleaned = 0.00585499 Jy ! Component: 4000 - total flux cleaned = 0.00585506 Jy ! Component: 4050 - total flux cleaned = 0.00590294 Jy ! Total flux subtracted in 4096 components = 0.00599793 Jy ! Clean residual min=-0.000750 max=0.000931 Jy/beam ! Clean residual mean=0.000005 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.189284 Jy keep ! Adding 320 model components to the UV plane model. ! The established model now contains 521 components and 0.189284 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2257+5720_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.68 x 5.008 at -10.54 degrees (North through East) ! Clean map min=-0.0011088 max=0.10661 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2257+5720_S_map.fits wmodel /vlbi/uf001/uva//J2257+5720_S_map.mod ! Writing 521 model components to file: /vlbi/uf001/uva//J2257+5720_S_map.mod wobs /vlbi/uf001/uva//J2257+5720_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2257+5720_S_uvs.fits wwins /vlbi/uf001/uva//J2257+5720_S_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J2257+5720_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.106609 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000214091 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.602455 0.602455 1.20491 2.40982 4.81964 9.63928 19.2786 38.5571 77.1143 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.106 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 497.962 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2257+5720_S_dfm.log closed on Mon Jan 14 06:29:00 2019