! Started logfile: /vlbi/uf001/uva//J0022+0014_S_dfm.log on Sun Jan 13 20:32:35 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//J0022+0014_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0022+0014_S_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.993519 visibilities/baseline/integration-bin. ! Found source: J0022+0014 ! ! 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 9657 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 J0022+0014_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. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=1.471036Jy sigma=19.741568 ! Fit after self-cal, rms=0.648953Jy sigma=10.088587 ! 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=2.555 mas, bmaj=6.403 mas, bpa=-1.734 degrees ! Estimated noise=0.578483 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 = 0.538708 Jy ! Component: 100 - total flux cleaned = 0.827399 Jy ! Total flux subtracted in 100 components = 0.827399 Jy ! Clean residual min=-0.062780 max=0.155373 Jy/beam ! Clean residual mean=0.000498 rms=0.018047 Jy/beam ! Combined flux in latest and established models = 0.827399 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 32 components and 0.827399 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.559572Jy sigma=6.112108 ! Fit after self-cal, rms=0.558809Jy sigma=6.095119 ! Inverting map ! Added new window around map position (1, -6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.195406 Jy ! Component: 100 - total flux cleaned = 0.330382 Jy ! Total flux subtracted in 100 components = 0.330382 Jy ! Clean residual min=-0.036813 max=0.084889 Jy/beam ! Clean residual mean=0.000356 rms=0.011542 Jy/beam ! Combined flux in latest and established models = 1.15778 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 51 components and 1.15778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.400570Jy sigma=4.214577 ! Fit after self-cal, rms=0.399905Jy sigma=4.193509 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0996722 Jy ! Component: 100 - total flux cleaned = 0.170932 Jy ! Total flux subtracted in 100 components = 0.170932 Jy ! Clean residual min=-0.031090 max=0.056072 Jy/beam ! Clean residual mean=0.000285 rms=0.009063 Jy/beam ! Combined flux in latest and established models = 1.32871 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 73 components and 1.32871 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.337327Jy sigma=3.513907 ! Fit after self-cal, rms=0.336856Jy sigma=3.497427 ! 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=2.915 mas, bmaj=7.05 mas, bpa=-2.381 degrees ! Estimated noise=0.492703 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 = 0.0905352 Jy ! Component: 100 - total flux cleaned = 0.155155 Jy ! Component: 150 - total flux cleaned = 0.203765 Jy ! Component: 200 - total flux cleaned = 0.240939 Jy ! Total flux subtracted in 200 components = 0.240939 Jy ! Clean residual min=-0.036131 max=0.068932 Jy/beam ! Clean residual mean=0.000296 rms=0.011582 Jy/beam ! Combined flux in latest and established models = 1.56965 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 104 components and 1.56965 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.282561Jy sigma=3.006696 ! Fit after self-cal, rms=0.282154Jy sigma=2.993870 ! Inverting map ! Added new window around map position (28.5, -50). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0734699 Jy ! Component: 100 - total flux cleaned = 0.123177 Jy ! Component: 150 - total flux cleaned = 0.160754 Jy ! Component: 200 - total flux cleaned = 0.190762 Jy ! Total flux subtracted in 200 components = 0.190762 Jy ! Clean residual min=-0.031931 max=0.058604 Jy/beam ! Clean residual mean=0.000235 rms=0.009434 Jy/beam ! Combined flux in latest and established models = 1.76041 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 149 components and 1.76041 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.241599Jy sigma=2.628847 ! Fit after self-cal, rms=0.239628Jy sigma=2.599604 ! Inverting map ! Added new window around map position (38, -63). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0659456 Jy ! Component: 100 - total flux cleaned = 0.106292 Jy ! Component: 150 - total flux cleaned = 0.137939 Jy ! Component: 200 - total flux cleaned = 0.164619 Jy ! Total flux subtracted in 200 components = 0.164619 Jy ! Clean residual min=-0.028368 max=0.040087 Jy/beam ! Clean residual mean=0.000171 rms=0.007372 Jy/beam ! Combined flux in latest and established models = 1.92503 Jy ! Performing phase self-cal ! Adding 60 model components to the UV plane model. ! The established model now contains 197 components and 1.92503 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.206090Jy sigma=2.243889 ! Fit after self-cal, rms=0.202748Jy sigma=2.206071 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.915 x 7.05 at -2.381 degrees (North through East) ! Clean map min=-0.028118 max=0.67243 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.04 HN 1.00 KP 0.94 ! LA 0.98 MK 1.03 NL 1.00 OV 0.98 ! PT 0.94 SC 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 FD 1.03 HN 1.02 KP 0.95 ! LA 0.94 MK 1.06 NL 1.03 OV 0.97 ! PT 0.96 SC 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.02 HN 1.01 KP 0.96 ! LA 0.97 MK 1.04 NL 1.04 OV 1.00 ! PT 0.98 SC 1.06 ! ! ! Fit before self-cal, rms=0.202748Jy sigma=2.206071 ! Fit after self-cal, rms=0.221322Jy sigma=2.037897 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.951 mas, bmaj=7.159 mas, bpa=-2.507 degrees ! Estimated noise=0.504313 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 = 0.0254049 Jy ! Component: 100 - total flux cleaned = 0.0390359 Jy ! Component: 150 - total flux cleaned = 0.0485731 Jy ! Component: 200 - total flux cleaned = 0.0538157 Jy ! Total flux subtracted in 200 components = 0.0538157 Jy ! Clean residual min=-0.025081 max=0.026346 Jy/beam ! Clean residual mean=0.000127 rms=0.006050 Jy/beam ! Combined flux in latest and established models = 1.97885 Jy ! Performing phase self-cal ! Adding 59 model components to the UV plane model. ! The established model now contains 244 components and 1.97885 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.215519Jy sigma=1.962993 ! Fit after self-cal, rms=0.215004Jy sigma=1.956425 ! 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=0.215004Jy sigma=1.956425 ! Fit after self-cal, rms=0.110780Jy sigma=1.380970 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.935 mas, bmaj=7.169 mas, bpa=-2.747 degrees ! Estimated noise=0.507298 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0154674 Jy ! Component: 100 - total flux cleaned = 0.0230736 Jy ! Component: 150 - total flux cleaned = 0.0287276 Jy ! Component: 200 - total flux cleaned = 0.0330698 Jy ! Total flux subtracted in 200 components = 0.0330698 Jy ! Clean residual min=-0.011953 max=0.018389 Jy/beam ! Clean residual mean=0.000055 rms=0.003210 Jy/beam ! Combined flux in latest and established models = 2.01192 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 262 components and 2.01192 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.106518Jy sigma=1.330764 ! Fit after self-cal, rms=0.106107Jy sigma=1.327283 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 (19.5, -34). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.017271 Jy ! Component: 100 - total flux cleaned = 0.0239855 Jy ! Component: 150 - total flux cleaned = 0.0268824 Jy ! Component: 200 - total flux cleaned = 0.0295664 Jy ! Total flux subtracted in 200 components = 0.0295664 Jy ! Clean residual min=-0.011640 max=0.013488 Jy/beam ! Clean residual mean=0.000051 rms=0.002781 Jy/beam ! Combined flux in latest and established models = 2.04149 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 299 components and 2.04149 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.101643Jy sigma=1.273606 ! Fit after self-cal, rms=0.101190Jy sigma=1.268432 ! Inverting map ! Added new window around map position (71, -99). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0136285 Jy ! Component: 100 - total flux cleaned = 0.0203074 Jy ! Component: 150 - total flux cleaned = 0.0228515 Jy ! Component: 200 - total flux cleaned = 0.024854 Jy ! Total flux subtracted in 200 components = 0.024854 Jy ! Clean residual min=-0.010197 max=0.011282 Jy/beam ! Clean residual mean=0.000044 rms=0.002446 Jy/beam ! Combined flux in latest and established models = 2.06634 Jy ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 339 components and 2.06634 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.098024Jy sigma=1.230618 ! Fit after self-cal, rms=0.097844Jy sigma=1.229188 ! Inverting map ! Added new window around map position (3.5, -59.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00326956 Jy ! Component: 100 - total flux cleaned = 0.00535413 Jy ! Component: 150 - total flux cleaned = 0.00694511 Jy ! Component: 200 - total flux cleaned = 0.0079371 Jy ! Total flux subtracted in 200 components = 0.0079371 Jy ! Clean residual min=-0.009111 max=0.009019 Jy/beam ! Clean residual mean=0.000039 rms=0.002222 Jy/beam ! Combined flux in latest and established models = 2.07428 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 366 components and 2.07428 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.095880Jy sigma=1.200396 ! Fit after self-cal, rms=0.095752Jy sigma=1.199410 ! 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=0.095752Jy sigma=1.199410 ! Fit after self-cal, rms=0.088789Jy sigma=1.146443 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.935 mas, bmaj=7.161 mas, bpa=-2.821 degrees ! Estimated noise=0.505363 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00832989 Jy ! Component: 100 - total flux cleaned = 0.0149006 Jy ! Component: 150 - total flux cleaned = 0.0184995 Jy ! Component: 200 - total flux cleaned = 0.0204547 Jy ! Total flux subtracted in 200 components = 0.0204547 Jy ! Clean residual min=-0.007878 max=0.008071 Jy/beam ! Clean residual mean=0.000032 rms=0.001761 Jy/beam ! Combined flux in latest and established models = 2.09473 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 391 components and 2.09473 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.087064Jy sigma=1.127397 ! Fit after self-cal, rms=0.086958Jy sigma=1.126731 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 (-18.5, 7.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0078477 Jy ! Component: 100 - total flux cleaned = 0.011812 Jy ! Component: 150 - total flux cleaned = 0.0131488 Jy ! Component: 200 - total flux cleaned = 0.0143731 Jy ! Total flux subtracted in 200 components = 0.0143731 Jy ! Clean residual min=-0.006867 max=0.007089 Jy/beam ! Clean residual mean=0.000027 rms=0.001598 Jy/beam ! Combined flux in latest and established models = 2.1091 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 407 components and 2.1091 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.085722Jy sigma=1.111782 ! Fit after self-cal, rms=0.085659Jy sigma=1.111232 ! Inverting map ! Added new window around map position (9, 126.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0058237 Jy ! Component: 100 - total flux cleaned = 0.00832823 Jy ! Component: 150 - total flux cleaned = 0.0100049 Jy ! Component: 200 - total flux cleaned = 0.0111434 Jy ! Total flux subtracted in 200 components = 0.0111434 Jy ! Clean residual min=-0.005977 max=0.006151 Jy/beam ! Clean residual mean=0.000024 rms=0.001484 Jy/beam ! Combined flux in latest and established models = 2.12025 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 429 components and 2.12025 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.084959Jy sigma=1.100797 ! Fit after self-cal, rms=0.084909Jy sigma=1.100536 ! 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=0.084909Jy sigma=1.100536 ! Fit after self-cal, rms=0.084564Jy sigma=1.098528 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.775 mas, bmaj=11.02 mas, bpa=0.3273 degrees ! Estimated noise=0.765387 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00755827 Jy ! Component: 100 - total flux cleaned = 0.0126661 Jy ! Component: 150 - total flux cleaned = 0.015779 Jy ! Component: 200 - total flux cleaned = 0.0181475 Jy ! Total flux subtracted in 200 components = 0.0181475 Jy ! Clean residual min=-0.006701 max=0.007100 Jy/beam ! Clean residual mean=0.000048 rms=0.001996 Jy/beam ! Combined flux in latest and established models = 2.13839 Jy selfcal ! Performing phase self-cal ! Adding 52 model components to the UV plane model. ! The established model now contains 474 components and 2.13839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.084066Jy sigma=1.095310 ! Fit after self-cal, rms=0.084032Jy sigma=1.094996 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 = 0.00263826 Jy ! Component: 100 - total flux cleaned = 0.00344655 Jy ! Component: 150 - total flux cleaned = 0.00432407 Jy ! Component: 200 - total flux cleaned = 0.00467526 Jy ! Total flux subtracted in 200 components = 0.00467526 Jy ! Clean residual min=-0.006091 max=0.006976 Jy/beam ! Clean residual mean=0.000042 rms=0.001896 Jy/beam ! Combined flux in latest and established models = 2.14307 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 497 components and 2.14307 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.083850Jy sigma=1.093724 ! Fit after self-cal, rms=0.083841Jy sigma=1.093611 ! 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=2.936 mas, bmaj=7.162 mas, bpa=-2.847 degrees ! Estimated noise=0.505203 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.936 x 7.162 at -2.847 degrees (North through East) ! Clean map min=-0.0091988 max=0.67691 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.083841Jy sigma=1.093611 ! Fit after self-cal, rms=0.077094Jy sigma=0.980452 ! Inverting map and beam ! Estimated beam: bmin=2.937 mas, bmaj=7.158 mas, bpa=-2.804 degrees ! Estimated noise=0.505264 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0005481 Jy ! Component: 100 - total flux cleaned = 0.00164161 Jy ! Component: 150 - total flux cleaned = 0.00227456 Jy ! Component: 200 - total flux cleaned = 0.00286474 Jy ! Total flux subtracted in 200 components = 0.00286474 Jy ! Clean residual min=-0.005681 max=0.005772 Jy/beam ! Clean residual mean=0.000017 rms=0.001320 Jy/beam ! Combined flux in latest and established models = 2.14593 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 522 components and 2.14593 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076683Jy sigma=0.973635 ! Fit after self-cal, rms=0.076644Jy sigma=0.973488 ! Inverting map ! Added new window around map position (-1, 31). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00199539 Jy ! Component: 100 - total flux cleaned = 0.00182025 Jy ! Component: 150 - total flux cleaned = 0.00244172 Jy ! Component: 200 - total flux cleaned = 0.00310777 Jy ! Total flux subtracted in 200 components = 0.00310777 Jy ! Clean residual min=-0.005124 max=0.005380 Jy/beam ! Clean residual mean=0.000017 rms=0.001221 Jy/beam ! Combined flux in latest and established models = 2.14904 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 546 components and 2.14904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076057Jy sigma=0.964499 ! Fit after self-cal, rms=0.076025Jy sigma=0.964378 ! Inverting map ! Added new window around map position (-32.5, 33). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00266028 Jy ! Component: 100 - total flux cleaned = 0.00394959 Jy ! Component: 150 - total flux cleaned = 0.00502799 Jy ! Component: 200 - total flux cleaned = 0.00613884 Jy ! Total flux subtracted in 200 components = 0.00613884 Jy ! Clean residual min=-0.005014 max=0.004783 Jy/beam ! Clean residual mean=0.000016 rms=0.001158 Jy/beam ! Combined flux in latest and established models = 2.15518 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 563 components and 2.15518 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075591Jy sigma=0.957944 ! Fit after self-cal, rms=0.075553Jy sigma=0.957689 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075553Jy sigma=0.957689 ! Fit after self-cal, rms=0.075343Jy sigma=0.956847 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=2.568 mas, bmaj=6.464 mas, bpa=-2.066 degrees ! Estimated noise=0.599474 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.557603 Jy ! Component: 100 - total flux cleaned = 0.848982 Jy ! Component: 150 - total flux cleaned = 1.04162 Jy ! Component: 200 - total flux cleaned = 1.17405 Jy ! Total flux subtracted in 200 components = 1.17405 Jy ! Clean residual min=-0.036295 max=0.075857 Jy/beam ! Clean residual mean=0.000320 rms=0.010298 Jy/beam ! Combined flux in latest and established models = 1.17405 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 51 model components to the UV plane model. ! The established model now contains 51 components and 1.17405 Jy ! Inverting map and beam ! Estimated beam: bmin=2.937 mas, bmaj=7.156 mas, bpa=-2.823 degrees ! Estimated noise=0.505104 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 = 0.134784 Jy ! Component: 100 - total flux cleaned = 0.23467 Jy ! Component: 150 - total flux cleaned = 0.317774 Jy ! Component: 200 - total flux cleaned = 0.388365 Jy ! Total flux subtracted in 200 components = 0.388365 Jy ! Clean residual min=-0.022958 max=0.052401 Jy/beam ! Clean residual mean=0.000248 rms=0.009196 Jy/beam ! Combined flux in latest and established models = 1.56242 Jy ! Adding 91 model components to the UV plane model. ! The established model now contains 132 components and 1.56242 Jy ! Inverting map ! Added new window around map position (-3.5, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0627702 Jy ! Component: 100 - total flux cleaned = 0.116431 Jy ! Component: 150 - total flux cleaned = 0.163433 Jy ! Component: 200 - total flux cleaned = 0.204722 Jy ! Total flux subtracted in 200 components = 0.204722 Jy ! Clean residual min=-0.015557 max=0.026121 Jy/beam ! Clean residual mean=0.000159 rms=0.005773 Jy/beam ! Combined flux in latest and established models = 1.76714 Jy ! Adding 87 model components to the UV plane model. ! The established model now contains 208 components and 1.76714 Jy ! Inverting map ! Added new window around map position (23.5, -47.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0364111 Jy ! Component: 100 - total flux cleaned = 0.0685433 Jy ! Component: 150 - total flux cleaned = 0.0970268 Jy ! Component: 200 - total flux cleaned = 0.122338 Jy ! Total flux subtracted in 200 components = 0.122338 Jy ! Clean residual min=-0.011038 max=0.016436 Jy/beam ! Clean residual mean=0.000110 rms=0.003897 Jy/beam ! Combined flux in latest and established models = 1.88948 Jy ! Adding 85 model components to the UV plane model. ! The established model now contains 260 components and 1.88948 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=6.776 mas, bmaj=11.01 mas, bpa=0.4374 degrees ! Estimated noise=0.765418 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0491498 Jy ! Component: 100 - total flux cleaned = 0.086051 Jy ! Component: 150 - total flux cleaned = 0.115316 Jy ! Component: 200 - total flux cleaned = 0.13894 Jy ! Total flux subtracted in 200 components = 0.13894 Jy ! Clean residual min=-0.012469 max=0.016481 Jy/beam ! Clean residual mean=0.000138 rms=0.004254 Jy/beam ! Combined flux in latest and established models = 2.02842 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 = 0.0192921 Jy ! Component: 100 - total flux cleaned = 0.0352364 Jy ! Component: 150 - total flux cleaned = 0.0485435 Jy ! Component: 200 - total flux cleaned = 0.0598113 Jy ! Total flux subtracted in 200 components = 0.0598113 Jy ! Clean residual min=-0.008641 max=0.010144 Jy/beam ! Clean residual mean=0.000091 rms=0.002708 Jy/beam ! Combined flux in latest and established models = 2.08823 Jy ! Adding 198 model components to the UV plane model. ! The established model now contains 428 components and 2.08823 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.937 mas, bmaj=7.156 mas, bpa=-2.823 degrees ! Estimated noise=0.505104 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00756019 Jy ! Component: 100 - total flux cleaned = 0.0137476 Jy ! Component: 150 - total flux cleaned = 0.019529 Jy ! Component: 200 - total flux cleaned = 0.0245645 Jy ! Total flux subtracted in 200 components = 0.0245645 Jy ! Clean residual min=-0.005881 max=0.006072 Jy/beam ! Clean residual mean=0.000030 rms=0.001541 Jy/beam ! Combined flux in latest and established models = 2.11279 Jy selfcal ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 470 components and 2.11279 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.077628Jy sigma=0.996877 ! Fit after self-cal, rms=0.077203Jy sigma=0.984653 wmodel J0022+0014_S_map.mod ! Writing 470 model components to file: J0022+0014_S_map.mod wobs J0022+0014_S_uvs.fits ! Writing UV FITS file: J0022+0014_S_uvs.fits wwins J0022+0014_S_map.win ! wwins: Wrote 13 windows to J0022+0014_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 = 0.00168522 Jy ! Component: 100 - total flux cleaned = 0.00292567 Jy ! Component: 150 - total flux cleaned = 0.00381076 Jy ! Component: 200 - total flux cleaned = 0.00418855 Jy ! Component: 250 - total flux cleaned = 0.00464155 Jy ! Component: 300 - total flux cleaned = 0.00472914 Jy ! Component: 350 - total flux cleaned = 0.00506988 Jy ! Component: 400 - total flux cleaned = 0.00531869 Jy ! Component: 450 - total flux cleaned = 0.00548179 Jy ! Component: 500 - total flux cleaned = 0.00572071 Jy ! Component: 550 - total flux cleaned = 0.00603005 Jy ! Component: 600 - total flux cleaned = 0.00640907 Jy ! Component: 650 - total flux cleaned = 0.00670639 Jy ! Component: 700 - total flux cleaned = 0.00714343 Jy ! Component: 750 - total flux cleaned = 0.00735729 Jy ! Component: 800 - total flux cleaned = 0.00770758 Jy ! Component: 850 - total flux cleaned = 0.00791258 Jy ! Component: 900 - total flux cleaned = 0.00811391 Jy ! Component: 950 - total flux cleaned = 0.00818066 Jy ! Component: 1000 - total flux cleaned = 0.00831101 Jy ! Component: 1050 - total flux cleaned = 0.00850201 Jy ! Component: 1100 - total flux cleaned = 0.00843884 Jy ! Component: 1150 - total flux cleaned = 0.00843929 Jy ! Component: 1200 - total flux cleaned = 0.00850209 Jy ! Component: 1250 - total flux cleaned = 0.00880299 Jy ! Component: 1300 - total flux cleaned = 0.00886144 Jy ! Component: 1350 - total flux cleaned = 0.00880436 Jy ! Component: 1400 - total flux cleaned = 0.00909096 Jy ! Component: 1450 - total flux cleaned = 0.00914612 Jy ! Component: 1500 - total flux cleaned = 0.009036 Jy ! Component: 1550 - total flux cleaned = 0.00942105 Jy ! Component: 1600 - total flux cleaned = 0.00969013 Jy ! Component: 1650 - total flux cleaned = 0.00942331 Jy ! Component: 1700 - total flux cleaned = 0.0096352 Jy ! Component: 1750 - total flux cleaned = 0.00963486 Jy ! Component: 1800 - total flux cleaned = 0.00973869 Jy ! Component: 1850 - total flux cleaned = 0.00989138 Jy ! Component: 1900 - total flux cleaned = 0.00979063 Jy ! Component: 1950 - total flux cleaned = 0.00984049 Jy ! Component: 2000 - total flux cleaned = 0.00979073 Jy ! Component: 2050 - total flux cleaned = 0.00993533 Jy ! Component: 2100 - total flux cleaned = 0.00988703 Jy ! Component: 2150 - total flux cleaned = 0.00993387 Jy ! Component: 2200 - total flux cleaned = 0.00993267 Jy ! Component: 2250 - total flux cleaned = 0.00983988 Jy ! Component: 2300 - total flux cleaned = 0.00965754 Jy ! Component: 2350 - total flux cleaned = 0.00970213 Jy ! Component: 2400 - total flux cleaned = 0.00956867 Jy ! Component: 2450 - total flux cleaned = 0.00961284 Jy ! Component: 2500 - total flux cleaned = 0.00943833 Jy ! Component: 2550 - total flux cleaned = 0.00943763 Jy ! Component: 2600 - total flux cleaned = 0.00935234 Jy ! Component: 2650 - total flux cleaned = 0.00930989 Jy ! Component: 2700 - total flux cleaned = 0.00922624 Jy ! Component: 2750 - total flux cleaned = 0.00926756 Jy ! Component: 2800 - total flux cleaned = 0.00914541 Jy ! Component: 2850 - total flux cleaned = 0.00902488 Jy ! Component: 2900 - total flux cleaned = 0.00902507 Jy ! Component: 2950 - total flux cleaned = 0.00886681 Jy ! Component: 3000 - total flux cleaned = 0.00898453 Jy ! Component: 3050 - total flux cleaned = 0.00902317 Jy ! Component: 3100 - total flux cleaned = 0.00886946 Jy ! Component: 3150 - total flux cleaned = 0.00871732 Jy ! Component: 3200 - total flux cleaned = 0.00867979 Jy ! Component: 3250 - total flux cleaned = 0.00853102 Jy ! Component: 3300 - total flux cleaned = 0.00864206 Jy ! Component: 3350 - total flux cleaned = 0.00853099 Jy ! Component: 3400 - total flux cleaned = 0.00838684 Jy ! Component: 3450 - total flux cleaned = 0.00820809 Jy ! Component: 3500 - total flux cleaned = 0.00820851 Jy ! Component: 3550 - total flux cleaned = 0.00813791 Jy ! Component: 3600 - total flux cleaned = 0.00813744 Jy ! Component: 3650 - total flux cleaned = 0.00810328 Jy ! Component: 3700 - total flux cleaned = 0.00786462 Jy ! Component: 3750 - total flux cleaned = 0.00789816 Jy ! Component: 3800 - total flux cleaned = 0.00773069 Jy ! Component: 3850 - total flux cleaned = 0.00766416 Jy ! Component: 3900 - total flux cleaned = 0.00756568 Jy ! Component: 3950 - total flux cleaned = 0.00753281 Jy ! Component: 4000 - total flux cleaned = 0.00750037 Jy ! Component: 4050 - total flux cleaned = 0.00750043 Jy ! Total flux subtracted in 4096 components = 0.00731046 Jy ! Clean residual min=-0.001581 max=0.001889 Jy/beam ! Clean residual mean=0.000013 rms=0.000612 Jy/beam ! Combined flux in latest and established models = 2.1201 Jy keep ! Adding 314 model components to the UV plane model. ! The established model now contains 782 components and 2.1201 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0022+0014_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.937 x 7.156 at -2.823 degrees (North through East) ! Clean map min=-0.0040211 max=0.68029 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0022+0014_S_map.fits wmodel /vlbi/uf001/uva//J0022+0014_S_map.mod ! Writing 782 model components to file: /vlbi/uf001/uva//J0022+0014_S_map.mod wobs /vlbi/uf001/uva//J0022+0014_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0022+0014_S_uvs.fits wwins /vlbi/uf001/uva//J0022+0014_S_map.win ! wwins: Wrote 14 windows to /vlbi/uf001/uva//J0022+0014_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.680288 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000605672 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.267095 0.267095 0.53419 1.06838 2.13676 4.27352 8.54704 17.0941 34.1882 68.3763 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.68 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1123.19 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0022+0014_S_dfm.log closed on Sun Jan 13 20:32:41 2019