! Started logfile: /vlbi/uf001/uva//J1821+6818_S_dfm.log on Mon Jan 14 04:35:20 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//J1821+6818_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1821+6818_S_uva.fits ! AN table 1: 116 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.880077 visibilities/baseline/integration-bin. ! Found source: J1821+6818 ! ! 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 13782 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 J1821+6818_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 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.009510Jy sigma=19.833037 ! Fit after self-cal, rms=0.900689Jy sigma=17.702741 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.164 mas, bmaj=3.254 mas, bpa=34.65 degrees ! Estimated noise=0.536411 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 = 0.0765709 Jy ! Component: 100 - total flux cleaned = 0.10004 Jy ! Total flux subtracted in 100 components = 0.10004 Jy ! Clean residual min=-0.004963 max=0.010059 Jy/beam ! Clean residual mean=-0.000006 rms=0.001194 Jy/beam ! Combined flux in latest and established models = 0.10004 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.10004 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068424Jy sigma=1.306200 ! Fit after self-cal, rms=0.067695Jy sigma=1.292288 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011968 Jy ! Component: 100 - total flux cleaned = 0.0177325 Jy ! Total flux subtracted in 100 components = 0.0177325 Jy ! Clean residual min=-0.003879 max=0.006301 Jy/beam ! Clean residual mean=-0.000004 rms=0.000882 Jy/beam ! Combined flux in latest and established models = 0.117773 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 16 components and 0.117773 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.065557Jy sigma=1.249153 ! Fit after self-cal, rms=0.065479Jy sigma=1.247752 ! Inverting map ! Added new window around map position (-4, -4.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.005851 Jy ! Component: 100 - total flux cleaned = 0.00868527 Jy ! Total flux subtracted in 100 components = 0.00868527 Jy ! Clean residual min=-0.003418 max=0.003219 Jy/beam ! Clean residual mean=-0.000003 rms=0.000780 Jy/beam ! Combined flux in latest and established models = 0.126458 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 28 components and 0.126458 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064964Jy sigma=1.237887 ! Fit after self-cal, rms=0.064907Jy sigma=1.236633 ! 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=3.822 mas, bmaj=3.899 mas, bpa=19.04 degrees ! Estimated noise=0.336554 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 = 0.00282876 Jy ! Component: 100 - total flux cleaned = 0.00435858 Jy ! Component: 150 - total flux cleaned = 0.00498751 Jy ! Component: 200 - total flux cleaned = 0.00527268 Jy ! Total flux subtracted in 200 components = 0.00527268 Jy ! Clean residual min=-0.003025 max=0.002579 Jy/beam ! Clean residual mean=-0.000006 rms=0.000702 Jy/beam ! Combined flux in latest and established models = 0.131731 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 41 components and 0.131731 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064781Jy sigma=1.234073 ! Fit after self-cal, rms=0.064765Jy sigma=1.233782 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.822 x 3.899 at 19.04 degrees (North through East) ! Clean map min=-0.0028739 max=0.097705 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.02 HN 0.97 KP 0.99 ! LA 0.93 MK 0.99 NL 1.04 OV 1.00 ! PT 1.00* SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.95 KP 0.98 ! LA 0.90 MK 1.01 NL 1.04 OV 1.01 ! PT 1.00* SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.07 HN 0.96 KP 0.99 ! LA 0.95 MK 1.02 NL 1.08 OV 0.96 ! PT 1.00* SC 1.01 ! ! ! Fit before self-cal, rms=0.064765Jy sigma=1.233782 ! Fit after self-cal, rms=0.064729Jy sigma=1.227563 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.829 mas, bmaj=3.905 mas, bpa=16.74 degrees ! Estimated noise=0.336142 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 = -0.000454046 Jy ! Component: 100 - total flux cleaned = -0.000549509 Jy ! Component: 150 - total flux cleaned = -0.000651695 Jy ! Component: 200 - total flux cleaned = -0.000739403 Jy ! Total flux subtracted in 200 components = -0.000739403 Jy ! Clean residual min=-0.002601 max=0.002433 Jy/beam ! Clean residual mean=-0.000004 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.130991 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 48 components and 0.130991 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.064701Jy sigma=1.227000 ! Fit after self-cal, rms=0.064716Jy sigma=1.226780 ! 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=0.064716Jy sigma=1.226780 ! Fit after self-cal, rms=0.066196Jy sigma=1.214034 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.833 mas, bmaj=3.905 mas, bpa=21.94 degrees ! Estimated noise=0.337257 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000263519 Jy ! Component: 100 - total flux cleaned = -0.000201196 Jy ! Component: 150 - total flux cleaned = -0.000167064 Jy ! Component: 200 - total flux cleaned = -0.000166188 Jy ! Total flux subtracted in 200 components = -0.000166188 Jy ! Clean residual min=-0.001616 max=0.001949 Jy/beam ! Clean residual mean=-0.000003 rms=0.000395 Jy/beam ! Combined flux in latest and established models = 0.130825 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 58 components and 0.130825 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066181Jy sigma=1.213823 ! Fit after self-cal, rms=0.066236Jy sigma=1.213478 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 (73.5, -59). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.001065 Jy ! Component: 100 - total flux cleaned = 0.00135435 Jy ! Component: 150 - total flux cleaned = 0.00140481 Jy ! Component: 200 - total flux cleaned = 0.00144795 Jy ! Total flux subtracted in 200 components = 0.00144795 Jy ! Clean residual min=-0.001620 max=0.001434 Jy/beam ! Clean residual mean=-0.000003 rms=0.000377 Jy/beam ! Combined flux in latest and established models = 0.132273 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 76 components and 0.132273 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066191Jy sigma=1.212592 ! Fit after self-cal, rms=0.066184Jy sigma=1.212542 ! 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=0.066184Jy sigma=1.212542 ! Fit after self-cal, rms=0.066326Jy sigma=1.212485 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.831 mas, bmaj=3.914 mas, bpa=22.69 degrees ! Estimated noise=0.33717 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.82052e-05 Jy ! Component: 100 - total flux cleaned = -7.89708e-05 Jy ! Component: 150 - total flux cleaned = -2.58204e-05 Jy ! Component: 200 - total flux cleaned = 2.37801e-05 Jy ! Total flux subtracted in 200 components = 2.37801e-05 Jy ! Clean residual min=-0.001561 max=0.001426 Jy/beam ! Clean residual mean=-0.000003 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.132297 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 83 components and 0.132297 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066315Jy sigma=1.212274 ! Fit after self-cal, rms=0.066317Jy sigma=1.212262 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 = 2.47832e-05 Jy ! Component: 100 - total flux cleaned = 6.89978e-05 Jy ! Component: 150 - total flux cleaned = 9.69757e-05 Jy ! Component: 200 - total flux cleaned = 0.000110351 Jy ! Total flux subtracted in 200 components = 0.000110351 Jy ! Clean residual min=-0.001535 max=0.001425 Jy/beam ! Clean residual mean=-0.000003 rms=0.000370 Jy/beam ! Combined flux in latest and established models = 0.132407 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 90 components and 0.132407 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066311Jy sigma=1.212150 ! Fit after self-cal, rms=0.066310Jy sigma=1.212144 ! 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=0.066310Jy sigma=1.212144 ! Fit after self-cal, rms=0.066383Jy sigma=1.212130 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.375 mas, bmaj=8.079 mas, bpa=67.21 degrees ! Estimated noise=0.456554 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.03292e-05 Jy ! Component: 100 - total flux cleaned = 8.52055e-05 Jy ! Component: 150 - total flux cleaned = 7.22313e-05 Jy ! Component: 200 - total flux cleaned = 3.96623e-05 Jy ! Total flux subtracted in 200 components = 3.96623e-05 Jy ! Clean residual min=-0.001675 max=0.002100 Jy/beam ! Clean residual mean=-0.000007 rms=0.000485 Jy/beam ! Combined flux in latest and established models = 0.132447 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 98 components and 0.132447 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066383Jy sigma=1.212191 ! Fit after self-cal, rms=0.066384Jy sigma=1.212177 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 (-13, -13.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0017593 Jy ! Component: 100 - total flux cleaned = 0.00181777 Jy ! Component: 150 - total flux cleaned = 0.00167962 Jy ! Component: 200 - total flux cleaned = 0.00154004 Jy ! Total flux subtracted in 200 components = 0.00154004 Jy ! Clean residual min=-0.001616 max=0.001655 Jy/beam ! Clean residual mean=-0.000005 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.133987 Jy ! Performing phase self-cal ! Adding 51 model components to the UV plane model. ! The established model now contains 149 components and 0.133987 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066347Jy sigma=1.211614 ! Fit after self-cal, rms=0.066347Jy sigma=1.211543 ! 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=3.829 mas, bmaj=3.922 mas, bpa=23.53 degrees ! Estimated noise=0.337308 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.829 x 3.922 at 23.53 degrees (North through East) ! Clean map min=-0.0014179 max=0.098042 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=3.165 mas, bmaj=3.271 mas, bpa=35.39 degrees ! Estimated noise=0.540084 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0772884 Jy ! Component: 100 - total flux cleaned = 0.102512 Jy ! Component: 150 - total flux cleaned = 0.114507 Jy ! Component: 200 - total flux cleaned = 0.120962 Jy ! Total flux subtracted in 200 components = 0.120962 Jy ! Clean residual min=-0.003275 max=0.003130 Jy/beam ! Clean residual mean=-0.000002 rms=0.000713 Jy/beam ! Combined flux in latest and established models = 0.120962 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.120962 Jy ! Inverting map and beam ! Estimated beam: bmin=3.829 mas, bmaj=3.922 mas, bpa=23.53 degrees ! Estimated noise=0.337308 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 = 0.00391945 Jy ! Component: 100 - total flux cleaned = 0.00637686 Jy ! Component: 150 - total flux cleaned = 0.00800109 Jy ! Component: 200 - total flux cleaned = 0.00909123 Jy ! Total flux subtracted in 200 components = 0.00909123 Jy ! Clean residual min=-0.001548 max=0.001561 Jy/beam ! Clean residual mean=-0.000003 rms=0.000387 Jy/beam ! Combined flux in latest and established models = 0.130053 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 51 components and 0.130053 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=7.375 mas, bmaj=8.079 mas, bpa=67.21 degrees ! Estimated noise=0.456554 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00201194 Jy ! Component: 100 - total flux cleaned = 0.00314709 Jy ! Component: 150 - total flux cleaned = 0.00340748 Jy ! Component: 200 - total flux cleaned = 0.00358254 Jy ! Total flux subtracted in 200 components = 0.00358254 Jy ! Clean residual min=-0.001657 max=0.001744 Jy/beam ! Clean residual mean=-0.000006 rms=0.000448 Jy/beam ! Combined flux in latest and established models = 0.133636 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 = 0.000148291 Jy ! Component: 100 - total flux cleaned = 0.000252767 Jy ! Component: 150 - total flux cleaned = 0.000297683 Jy ! Component: 200 - total flux cleaned = 0.000318428 Jy ! Total flux subtracted in 200 components = 0.000318428 Jy ! Clean residual min=-0.001615 max=0.001684 Jy/beam ! Clean residual mean=-0.000005 rms=0.000437 Jy/beam ! Combined flux in latest and established models = 0.133954 Jy ! Adding 98 model components to the UV plane model. ! The established model now contains 138 components and 0.133954 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.829 mas, bmaj=3.922 mas, bpa=23.53 degrees ! Estimated noise=0.337308 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000221243 Jy ! Component: 100 - total flux cleaned = 0.000220326 Jy ! Component: 150 - total flux cleaned = 0.000308927 Jy ! Component: 200 - total flux cleaned = 0.000390996 Jy ! Total flux subtracted in 200 components = 0.000390996 Jy ! Clean residual min=-0.001545 max=0.001446 Jy/beam ! Clean residual mean=-0.000002 rms=0.000349 Jy/beam ! Combined flux in latest and established models = 0.134345 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 170 components and 0.134345 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066333Jy sigma=1.211385 ! Fit after self-cal, rms=0.066326Jy sigma=1.211194 wmodel J1821+6818_S_map.mod ! Writing 170 model components to file: J1821+6818_S_map.mod wobs J1821+6818_S_uvs.fits ! Writing UV FITS file: J1821+6818_S_uvs.fits wwins J1821+6818_S_map.win ! wwins: Wrote 4 windows to J1821+6818_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 = -4.2255e-05 Jy ! Component: 100 - total flux cleaned = -1.7251e-05 Jy ! Component: 150 - total flux cleaned = 0.000175891 Jy ! Component: 200 - total flux cleaned = 0.00031543 Jy ! Component: 250 - total flux cleaned = 0.000405534 Jy ! Component: 300 - total flux cleaned = 0.00053797 Jy ! Component: 350 - total flux cleaned = 0.000688823 Jy ! Component: 400 - total flux cleaned = 0.000794131 Jy ! Component: 450 - total flux cleaned = 0.000856455 Jy ! Component: 500 - total flux cleaned = 0.000999055 Jy ! Component: 550 - total flux cleaned = 0.00101881 Jy ! Component: 600 - total flux cleaned = 0.00103899 Jy ! Component: 650 - total flux cleaned = 0.001039 Jy ! Component: 700 - total flux cleaned = 0.00103913 Jy ! Component: 750 - total flux cleaned = 0.00103893 Jy ! Component: 800 - total flux cleaned = 0.00103875 Jy ! Component: 850 - total flux cleaned = 0.00107504 Jy ! Component: 900 - total flux cleaned = 0.00109284 Jy ! Component: 950 - total flux cleaned = 0.00109274 Jy ! Component: 1000 - total flux cleaned = 0.00112805 Jy ! Component: 1050 - total flux cleaned = 0.00116283 Jy ! Component: 1100 - total flux cleaned = 0.00124872 Jy ! Component: 1150 - total flux cleaned = 0.00124825 Jy ! Component: 1200 - total flux cleaned = 0.00123127 Jy ! Component: 1250 - total flux cleaned = 0.00121456 Jy ! Component: 1300 - total flux cleaned = 0.00128081 Jy ! Component: 1350 - total flux cleaned = 0.00134613 Jy ! Component: 1400 - total flux cleaned = 0.00142727 Jy ! Component: 1450 - total flux cleaned = 0.00137911 Jy ! Component: 1500 - total flux cleaned = 0.00152226 Jy ! Component: 1550 - total flux cleaned = 0.00149055 Jy ! Component: 1600 - total flux cleaned = 0.00159972 Jy ! Component: 1650 - total flux cleaned = 0.00161502 Jy ! Component: 1700 - total flux cleaned = 0.0016303 Jy ! Component: 1750 - total flux cleaned = 0.0016306 Jy ! Component: 1800 - total flux cleaned = 0.00167589 Jy ! Component: 1850 - total flux cleaned = 0.00166108 Jy ! Component: 1900 - total flux cleaned = 0.00169103 Jy ! Component: 1950 - total flux cleaned = 0.00170551 Jy ! Component: 2000 - total flux cleaned = 0.00167632 Jy ! Component: 2050 - total flux cleaned = 0.00166184 Jy ! Component: 2100 - total flux cleaned = 0.00170498 Jy ! Component: 2150 - total flux cleaned = 0.00169047 Jy ! Component: 2200 - total flux cleaned = 0.00169052 Jy ! Component: 2250 - total flux cleaned = 0.00166256 Jy ! Component: 2300 - total flux cleaned = 0.00170442 Jy ! Component: 2350 - total flux cleaned = 0.00174592 Jy ! Component: 2400 - total flux cleaned = 0.00177333 Jy ! Component: 2450 - total flux cleaned = 0.0018415 Jy ! Component: 2500 - total flux cleaned = 0.00185506 Jy ! Component: 2550 - total flux cleaned = 0.00190875 Jy ! Component: 2600 - total flux cleaned = 0.00186862 Jy ! Component: 2650 - total flux cleaned = 0.00197477 Jy ! Component: 2700 - total flux cleaned = 0.00198794 Jy ! Component: 2750 - total flux cleaned = 0.00198798 Jy ! Component: 2800 - total flux cleaned = 0.00202717 Jy ! Component: 2850 - total flux cleaned = 0.00206605 Jy ! Component: 2900 - total flux cleaned = 0.0021174 Jy ! Component: 2950 - total flux cleaned = 0.00227062 Jy ! Component: 3000 - total flux cleaned = 0.00220706 Jy ! Component: 3050 - total flux cleaned = 0.00229528 Jy ! Component: 3100 - total flux cleaned = 0.00235791 Jy ! Component: 3150 - total flux cleaned = 0.00239522 Jy ! Component: 3200 - total flux cleaned = 0.0024077 Jy ! Component: 3250 - total flux cleaned = 0.00237068 Jy ! Component: 3300 - total flux cleaned = 0.00249314 Jy ! Component: 3350 - total flux cleaned = 0.00251749 Jy ! Component: 3400 - total flux cleaned = 0.00259029 Jy ! Component: 3450 - total flux cleaned = 0.00260221 Jy ! Component: 3500 - total flux cleaned = 0.00267411 Jy ! Component: 3550 - total flux cleaned = 0.00266217 Jy ! Component: 3600 - total flux cleaned = 0.00272139 Jy ! Component: 3650 - total flux cleaned = 0.0027449 Jy ! Component: 3700 - total flux cleaned = 0.0027918 Jy ! Component: 3750 - total flux cleaned = 0.00286168 Jy ! Component: 3800 - total flux cleaned = 0.00290803 Jy ! Component: 3850 - total flux cleaned = 0.00288495 Jy ! Component: 3900 - total flux cleaned = 0.00289641 Jy ! Component: 3950 - total flux cleaned = 0.00296474 Jy ! Component: 4000 - total flux cleaned = 0.00293063 Jy ! Component: 4050 - total flux cleaned = 0.00300965 Jy ! Total flux subtracted in 4096 components = 0.0030096 Jy ! Clean residual min=-0.000675 max=0.000655 Jy/beam ! Clean residual mean=-0.000001 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.137355 Jy keep ! Adding 305 model components to the UV plane model. ! The established model now contains 475 components and 0.137355 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1821+6818_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.829 x 3.922 at 23.53 degrees (North through East) ! Clean map min=-0.001378 max=0.097899 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1821+6818_S_map.fits wmodel /vlbi/uf001/uva//J1821+6818_S_map.mod ! Writing 475 model components to file: /vlbi/uf001/uva//J1821+6818_S_map.mod wobs /vlbi/uf001/uva//J1821+6818_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1821+6818_S_uvs.fits wwins /vlbi/uf001/uva//J1821+6818_S_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1821+6818_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0978987 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000195902 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.60032 0.60032 1.20064 2.40128 4.80256 9.60512 19.2102 38.4205 76.841 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.097 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 499.733 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1821+6818_S_dfm.log closed on Mon Jan 14 04:35:25 2019