! Started logfile: /vlbi/uf001/uva//J1321+8316_S_dfm.log on Mon Jan 14 02:20:09 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//J1321+8316_S_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1321+8316_S_uva.fits ! AN table 1: 76 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.985673 visibilities/baseline/integration-bin. ! Found source: J1321+8316 ! ! 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 10113 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 J1321+8316_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 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.040378Jy sigma=20.981421 ! Fit after self-cal, rms=0.776445Jy sigma=15.628264 ! 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=3.045 mas, bmaj=3.937 mas, bpa=37.94 degrees ! Estimated noise=0.538315 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 = 0.166129 Jy ! Component: 100 - total flux cleaned = 0.21275 Jy ! Total flux subtracted in 100 components = 0.21275 Jy ! Clean residual min=-0.008934 max=0.021860 Jy/beam ! Clean residual mean=-0.000067 rms=0.002324 Jy/beam ! Combined flux in latest and established models = 0.21275 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.21275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.099455Jy sigma=1.863960 ! Fit after self-cal, rms=0.099326Jy sigma=1.861788 ! Inverting map ! Added new window around map position (-5, 0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0252186 Jy ! Component: 100 - total flux cleaned = 0.0414305 Jy ! Total flux subtracted in 100 components = 0.0414305 Jy ! Clean residual min=-0.006642 max=0.012641 Jy/beam ! Clean residual mean=-0.000046 rms=0.001796 Jy/beam ! Combined flux in latest and established models = 0.25418 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 34 components and 0.25418 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.088596Jy sigma=1.652318 ! Fit after self-cal, rms=0.088242Jy sigma=1.644549 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0130193 Jy ! Component: 100 - total flux cleaned = 0.0220477 Jy ! Total flux subtracted in 100 components = 0.0220477 Jy ! Clean residual min=-0.005947 max=0.010802 Jy/beam ! Clean residual mean=-0.000036 rms=0.001588 Jy/beam ! Combined flux in latest and established models = 0.276228 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 55 components and 0.276228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.084517Jy sigma=1.575482 ! Fit after self-cal, rms=0.084374Jy sigma=1.572252 ! Inverting map ! Added new window around map position (-11, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00953284 Jy ! Component: 100 - total flux cleaned = 0.0161499 Jy ! Total flux subtracted in 100 components = 0.0161499 Jy ! Clean residual min=-0.005438 max=0.009365 Jy/beam ! Clean residual mean=-0.000029 rms=0.001465 Jy/beam ! Combined flux in latest and established models = 0.292378 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 76 components and 0.292378 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.082143Jy sigma=1.528649 ! Fit after self-cal, rms=0.082072Jy sigma=1.527064 ! Inverting map ! Added new window around map position (-26, -18.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00921353 Jy ! Component: 100 - total flux cleaned = 0.0157697 Jy ! Total flux subtracted in 100 components = 0.0157697 Jy ! Clean residual min=-0.005205 max=0.007768 Jy/beam ! Clean residual mean=-0.000026 rms=0.001337 Jy/beam ! Combined flux in latest and established models = 0.308148 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 96 components and 0.308148 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.080077Jy sigma=1.488818 ! Fit after self-cal, rms=0.080047Jy sigma=1.488406 ! 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=3.62 mas, bmaj=4.8 mas, bpa=36.28 degrees ! Estimated noise=0.365495 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 (-7, -5.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.012651 Jy ! Component: 100 - total flux cleaned = 0.022287 Jy ! Component: 150 - total flux cleaned = 0.0302799 Jy ! Component: 200 - total flux cleaned = 0.0370316 Jy ! Total flux subtracted in 200 components = 0.0370316 Jy ! Clean residual min=-0.005282 max=0.009252 Jy/beam ! Clean residual mean=-0.000032 rms=0.001631 Jy/beam ! Combined flux in latest and established models = 0.345179 Jy ! Performing phase self-cal ! Adding 56 model components to the UV plane model. ! The established model now contains 147 components and 0.345179 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076838Jy sigma=1.425678 ! Fit after self-cal, rms=0.076736Jy sigma=1.423686 ! Inverting map ! Added new window around map position (-22.5, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00982164 Jy ! Component: 100 - total flux cleaned = 0.016483 Jy ! Component: 150 - total flux cleaned = 0.0218835 Jy ! Component: 200 - total flux cleaned = 0.0264485 Jy ! Total flux subtracted in 200 components = 0.0264485 Jy ! Clean residual min=-0.004622 max=0.006449 Jy/beam ! Clean residual mean=-0.000012 rms=0.001390 Jy/beam ! Combined flux in latest and established models = 0.371628 Jy ! Performing phase self-cal ! Adding 64 model components to the UV plane model. ! The established model now contains 199 components and 0.371628 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.074976Jy sigma=1.388521 ! Fit after self-cal, rms=0.074856Jy sigma=1.386354 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.62 x 4.8 at 36.28 degrees (North through East) ! Clean map min=-0.0045034 max=0.21613 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 0.99 KP 0.99 ! LA 0.94 MK 0.98 NL 1.05 OV 0.99 ! PT 0.95 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.97 HN 0.99 KP 0.99 ! LA 0.94 MK 1.00 NL 1.10 OV 1.11 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 0.99 KP 1.00 ! LA 0.94 MK 1.01 NL 1.06 OV 0.99 ! PT 0.95 SC 1.03 ! ! ! Fit before self-cal, rms=0.074856Jy sigma=1.386354 ! Fit after self-cal, rms=0.073387Jy sigma=1.354360 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.628 mas, bmaj=4.809 mas, bpa=36.27 degrees ! Estimated noise=0.362739 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 = 0.0033546 Jy ! Component: 100 - total flux cleaned = 0.00538596 Jy ! Component: 150 - total flux cleaned = 0.00638182 Jy ! Component: 200 - total flux cleaned = 0.00717139 Jy ! Total flux subtracted in 200 components = 0.00717139 Jy ! Clean residual min=-0.004763 max=0.005654 Jy/beam ! Clean residual mean=0.000030 rms=0.001169 Jy/beam ! Combined flux in latest and established models = 0.378799 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 220 components and 0.378799 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.073173Jy sigma=1.349727 ! Fit after self-cal, rms=0.073158Jy sigma=1.349401 ! 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=0.073158Jy sigma=1.349401 ! Fit after self-cal, rms=0.071250Jy sigma=1.300171 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.626 mas, bmaj=4.805 mas, bpa=36.61 degrees ! Estimated noise=0.363654 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000533842 Jy ! Component: 100 - total flux cleaned = -0.000216449 Jy ! Component: 150 - total flux cleaned = 4.34865e-05 Jy ! Component: 200 - total flux cleaned = 0.000176998 Jy ! Total flux subtracted in 200 components = 0.000176998 Jy ! Clean residual min=-0.003171 max=0.004909 Jy/beam ! Clean residual mean=0.000020 rms=0.000839 Jy/beam ! Combined flux in latest and established models = 0.378976 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 236 components and 0.378976 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.071153Jy sigma=1.298068 ! Fit after self-cal, rms=0.071170Jy sigma=1.297764 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 (-28.5, -26.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00517982 Jy ! Component: 100 - total flux cleaned = 0.00821612 Jy ! Component: 150 - total flux cleaned = 0.0100823 Jy ! Component: 200 - total flux cleaned = 0.0104627 Jy ! Total flux subtracted in 200 components = 0.0104627 Jy ! Clean residual min=-0.003074 max=0.004161 Jy/beam ! Clean residual mean=0.000019 rms=0.000717 Jy/beam ! Combined flux in latest and established models = 0.389439 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 270 components and 0.389439 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070776Jy sigma=1.288557 ! Fit after self-cal, rms=0.070746Jy sigma=1.287739 ! Inverting map ! Added new window around map position (-44.5, -28). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00424536 Jy ! Component: 100 - total flux cleaned = 0.00661142 Jy ! Component: 150 - total flux cleaned = 0.00805202 Jy ! Component: 200 - total flux cleaned = 0.00860597 Jy ! Total flux subtracted in 200 components = 0.00860597 Jy ! Clean residual min=-0.002639 max=0.002877 Jy/beam ! Clean residual mean=0.000015 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.398045 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 308 components and 0.398045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070472Jy sigma=1.281355 ! Fit after self-cal, rms=0.070461Jy sigma=1.280996 ! Inverting map ! Added new window around map position (-123.5, 108.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00255278 Jy ! Component: 100 - total flux cleaned = 0.00378852 Jy ! Component: 150 - total flux cleaned = 0.00429768 Jy ! Component: 200 - total flux cleaned = 0.00470959 Jy ! Total flux subtracted in 200 components = 0.00470959 Jy ! Clean residual min=-0.002378 max=0.002307 Jy/beam ! Clean residual mean=0.000010 rms=0.000600 Jy/beam ! Combined flux in latest and established models = 0.402754 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 330 components and 0.402754 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070340Jy sigma=1.278169 ! Fit after self-cal, rms=0.070335Jy sigma=1.278072 ! 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=0.070335Jy sigma=1.278072 ! Fit after self-cal, rms=0.070112Jy sigma=1.276824 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.625 mas, bmaj=4.8 mas, bpa=36.98 degrees ! Estimated noise=0.363042 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103006 Jy ! Component: 100 - total flux cleaned = 0.00187019 Jy ! Component: 150 - total flux cleaned = 0.0024327 Jy ! Component: 200 - total flux cleaned = 0.00273711 Jy ! Total flux subtracted in 200 components = 0.00273711 Jy ! Clean residual min=-0.002287 max=0.002131 Jy/beam ! Clean residual mean=0.000012 rms=0.000564 Jy/beam ! Combined flux in latest and established models = 0.405491 Jy selfcal ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 347 components and 0.405491 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070051Jy sigma=1.275349 ! Fit after self-cal, rms=0.070052Jy sigma=1.275282 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 = 0.000633737 Jy ! Component: 100 - total flux cleaned = 0.000916051 Jy ! Component: 150 - total flux cleaned = 0.00118136 Jy ! Component: 200 - total flux cleaned = 0.00143193 Jy ! Total flux subtracted in 200 components = 0.00143193 Jy ! Clean residual min=-0.002217 max=0.002125 Jy/beam ! Clean residual mean=0.000012 rms=0.000553 Jy/beam ! Combined flux in latest and established models = 0.406923 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 361 components and 0.406923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070017Jy sigma=1.274438 ! Fit after self-cal, rms=0.070017Jy sigma=1.274413 ! 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=0.070017Jy sigma=1.274413 ! Fit after self-cal, rms=0.069954Jy sigma=1.274320 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.032 mas, bmaj=9.766 mas, bpa=31.85 degrees ! Estimated noise=0.469436 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00201822 Jy ! Component: 100 - total flux cleaned = 0.00280803 Jy ! Component: 150 - total flux cleaned = 0.00332562 Jy ! Component: 200 - total flux cleaned = 0.00372944 Jy ! Total flux subtracted in 200 components = 0.00372944 Jy ! Clean residual min=-0.002988 max=0.003020 Jy/beam ! Clean residual mean=0.000024 rms=0.000841 Jy/beam ! Combined flux in latest and established models = 0.410653 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 379 components and 0.410653 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069941Jy sigma=1.273789 ! Fit after self-cal, rms=0.069937Jy sigma=1.273723 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 = 0.000729891 Jy ! Component: 100 - total flux cleaned = 0.00104134 Jy ! Component: 150 - total flux cleaned = 0.00120082 Jy ! Component: 200 - total flux cleaned = 0.00132221 Jy ! Total flux subtracted in 200 components = 0.00132221 Jy ! Clean residual min=-0.002861 max=0.002955 Jy/beam ! Clean residual mean=0.000023 rms=0.000831 Jy/beam ! Combined flux in latest and established models = 0.411975 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 388 components and 0.411975 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069935Jy sigma=1.273523 ! Fit after self-cal, rms=0.069934Jy sigma=1.273513 ! 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=3.624 mas, bmaj=4.798 mas, bpa=37.02 degrees ! Estimated noise=0.362809 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.624 x 4.798 at 37.02 degrees (North through East) ! Clean map min=-0.0021694 max=0.21395 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=3.052 mas, bmaj=3.935 mas, bpa=38.95 degrees ! Estimated noise=0.533106 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.164103 Jy ! Component: 100 - total flux cleaned = 0.211741 Jy ! Component: 150 - total flux cleaned = 0.237851 Jy ! Component: 200 - total flux cleaned = 0.25535 Jy ! Total flux subtracted in 200 components = 0.25535 Jy ! Clean residual min=-0.005486 max=0.009813 Jy/beam ! Clean residual mean=-0.000036 rms=0.001454 Jy/beam ! Combined flux in latest and established models = 0.25535 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 32 model components to the UV plane model. ! The established model now contains 32 components and 0.25535 Jy ! Inverting map and beam ! Estimated beam: bmin=3.624 mas, bmaj=4.798 mas, bpa=37.02 degrees ! Estimated noise=0.362809 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 = 0.0208755 Jy ! Component: 100 - total flux cleaned = 0.0367777 Jy ! Component: 150 - total flux cleaned = 0.0498064 Jy ! Component: 200 - total flux cleaned = 0.060748 Jy ! Total flux subtracted in 200 components = 0.060748 Jy ! Clean residual min=-0.004341 max=0.007267 Jy/beam ! Clean residual mean=-0.000031 rms=0.001404 Jy/beam ! Combined flux in latest and established models = 0.316098 Jy ! Adding 111 model components to the UV plane model. ! The established model now contains 137 components and 0.316098 Jy ! Inverting map ! Added new window around map position (-21, -21.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00937498 Jy ! Component: 100 - total flux cleaned = 0.0174168 Jy ! Component: 150 - total flux cleaned = 0.0244609 Jy ! Component: 200 - total flux cleaned = 0.0306851 Jy ! Total flux subtracted in 200 components = 0.0306851 Jy ! Clean residual min=-0.003396 max=0.004395 Jy/beam ! Clean residual mean=-0.000012 rms=0.000997 Jy/beam ! Combined flux in latest and established models = 0.346783 Jy ! Adding 101 model components to the UV plane model. ! The established model now contains 216 components and 0.346783 Jy ! Inverting map ! Added new window around map position (-31.5, -18.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00560653 Jy ! Component: 100 - total flux cleaned = 0.0105848 Jy ! Component: 150 - total flux cleaned = 0.0150663 Jy ! Component: 200 - total flux cleaned = 0.0191174 Jy ! Total flux subtracted in 200 components = 0.0191174 Jy ! Clean residual min=-0.002922 max=0.002824 Jy/beam ! Clean residual mean=-0.000004 rms=0.000787 Jy/beam ! Combined flux in latest and established models = 0.365901 Jy ! Adding 91 model components to the UV plane model. ! The established model now contains 281 components and 0.365901 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=8.032 mas, bmaj=9.766 mas, bpa=31.85 degrees ! Estimated noise=0.469436 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00742354 Jy ! Component: 100 - total flux cleaned = 0.0134539 Jy ! Component: 150 - total flux cleaned = 0.0184817 Jy ! Component: 200 - total flux cleaned = 0.0227338 Jy ! Total flux subtracted in 200 components = 0.0227338 Jy ! Clean residual min=-0.003966 max=0.003124 Jy/beam ! Clean residual mean=0.000007 rms=0.001083 Jy/beam ! Combined flux in latest and established models = 0.388634 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 = 0.00362565 Jy ! Component: 100 - total flux cleaned = 0.00674005 Jy ! Component: 150 - total flux cleaned = 0.00942619 Jy ! Component: 200 - total flux cleaned = 0.0117541 Jy ! Total flux subtracted in 200 components = 0.0117541 Jy ! Clean residual min=-0.003295 max=0.002800 Jy/beam ! Clean residual mean=0.000012 rms=0.000909 Jy/beam ! Combined flux in latest and established models = 0.400389 Jy ! Adding 195 model components to the UV plane model. ! The established model now contains 447 components and 0.400389 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.624 mas, bmaj=4.798 mas, bpa=37.02 degrees ! Estimated noise=0.362809 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00156621 Jy ! Component: 100 - total flux cleaned = 0.00286261 Jy ! Component: 150 - total flux cleaned = 0.00400209 Jy ! Component: 200 - total flux cleaned = 0.0050281 Jy ! Total flux subtracted in 200 components = 0.0050281 Jy ! Clean residual min=-0.002036 max=0.002055 Jy/beam ! Clean residual mean=0.000007 rms=0.000519 Jy/beam ! Combined flux in latest and established models = 0.405417 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 480 components and 0.405417 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069846Jy sigma=1.271343 ! Fit after self-cal, rms=0.069842Jy sigma=1.271033 wmodel J1321+8316_S_map.mod ! Writing 480 model components to file: J1321+8316_S_map.mod wobs J1321+8316_S_uvs.fits ! Writing UV FITS file: J1321+8316_S_uvs.fits wwins J1321+8316_S_map.win ! wwins: Wrote 11 windows to J1321+8316_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 = -0.000144473 Jy ! Component: 100 - total flux cleaned = -0.000356441 Jy ! Component: 150 - total flux cleaned = -0.000593925 Jy ! Component: 200 - total flux cleaned = -0.000885311 Jy ! Component: 250 - total flux cleaned = -0.0010414 Jy ! Component: 300 - total flux cleaned = -0.00125477 Jy ! Component: 350 - total flux cleaned = -0.00146249 Jy ! Component: 400 - total flux cleaned = -0.00166574 Jy ! Component: 450 - total flux cleaned = -0.00194939 Jy ! Component: 500 - total flux cleaned = -0.00211598 Jy ! Component: 550 - total flux cleaned = -0.00225248 Jy ! Component: 600 - total flux cleaned = -0.00246744 Jy ! Component: 650 - total flux cleaned = -0.00254683 Jy ! Component: 700 - total flux cleaned = -0.00270364 Jy ! Component: 750 - total flux cleaned = -0.00283177 Jy ! Component: 800 - total flux cleaned = -0.00295797 Jy ! Component: 850 - total flux cleaned = -0.00305721 Jy ! Component: 900 - total flux cleaned = -0.00310612 Jy ! Component: 950 - total flux cleaned = -0.0032268 Jy ! Component: 1000 - total flux cleaned = -0.00327418 Jy ! Component: 1050 - total flux cleaned = -0.00329784 Jy ! Component: 1100 - total flux cleaned = -0.00334434 Jy ! Component: 1150 - total flux cleaned = -0.00339053 Jy ! Component: 1200 - total flux cleaned = -0.00336764 Jy ! Component: 1250 - total flux cleaned = -0.00339003 Jy ! Component: 1300 - total flux cleaned = -0.00341201 Jy ! Component: 1350 - total flux cleaned = -0.00345601 Jy ! Component: 1400 - total flux cleaned = -0.00354255 Jy ! Component: 1450 - total flux cleaned = -0.0035419 Jy ! Component: 1500 - total flux cleaned = -0.00356348 Jy ! Component: 1550 - total flux cleaned = -0.00366848 Jy ! Component: 1600 - total flux cleaned = -0.00366847 Jy ! Component: 1650 - total flux cleaned = -0.00375059 Jy ! Component: 1700 - total flux cleaned = -0.00379121 Jy ! Component: 1750 - total flux cleaned = -0.00385163 Jy ! Component: 1800 - total flux cleaned = -0.00391128 Jy ! Component: 1850 - total flux cleaned = -0.00397039 Jy ! Component: 1900 - total flux cleaned = -0.00404851 Jy ! Component: 1950 - total flux cleaned = -0.00412583 Jy ! Component: 2000 - total flux cleaned = -0.00414487 Jy ! Component: 2050 - total flux cleaned = -0.00422115 Jy ! Component: 2100 - total flux cleaned = -0.00435312 Jy ! Component: 2150 - total flux cleaned = -0.00437215 Jy ! Component: 2200 - total flux cleaned = -0.00444649 Jy ! Component: 2250 - total flux cleaned = -0.0045566 Jy ! Component: 2300 - total flux cleaned = -0.00459317 Jy ! Component: 2350 - total flux cleaned = -0.0047196 Jy ! Component: 2400 - total flux cleaned = -0.00477339 Jy ! Component: 2450 - total flux cleaned = -0.00484446 Jy ! Component: 2500 - total flux cleaned = -0.00495027 Jy ! Component: 2550 - total flux cleaned = -0.00502035 Jy ! Component: 2600 - total flux cleaned = -0.00503778 Jy ! Component: 2650 - total flux cleaned = -0.00514145 Jy ! Component: 2700 - total flux cleaned = -0.00515859 Jy ! Component: 2750 - total flux cleaned = -0.0051925 Jy ! Component: 2800 - total flux cleaned = -0.00526041 Jy ! Component: 2850 - total flux cleaned = -0.00536102 Jy ! Component: 2900 - total flux cleaned = -0.00537764 Jy ! Component: 2950 - total flux cleaned = -0.00536117 Jy ! Component: 3000 - total flux cleaned = -0.00545975 Jy ! Component: 3050 - total flux cleaned = -0.00549242 Jy ! Component: 3100 - total flux cleaned = -0.00554135 Jy ! Component: 3150 - total flux cleaned = -0.00565405 Jy ! Component: 3200 - total flux cleaned = -0.00571786 Jy ! Component: 3250 - total flux cleaned = -0.00579743 Jy ! Component: 3300 - total flux cleaned = -0.00576579 Jy ! Component: 3350 - total flux cleaned = -0.00582849 Jy ! Component: 3400 - total flux cleaned = -0.00593792 Jy ! Component: 3450 - total flux cleaned = -0.00596884 Jy ! Component: 3500 - total flux cleaned = -0.00604593 Jy ! Component: 3550 - total flux cleaned = -0.00613799 Jy ! Component: 3600 - total flux cleaned = -0.00615307 Jy ! Component: 3650 - total flux cleaned = -0.00616816 Jy ! Component: 3700 - total flux cleaned = -0.00628847 Jy ! Component: 3750 - total flux cleaned = -0.00627353 Jy ! Component: 3800 - total flux cleaned = -0.00636269 Jy ! Component: 3850 - total flux cleaned = -0.00639229 Jy ! Component: 3900 - total flux cleaned = -0.00640682 Jy ! Component: 3950 - total flux cleaned = -0.00643599 Jy ! Component: 4000 - total flux cleaned = -0.00647963 Jy ! Component: 4050 - total flux cleaned = -0.00650847 Jy ! Total flux subtracted in 4096 components = -0.00652272 Jy ! Clean residual min=-0.000788 max=0.001049 Jy/beam ! Clean residual mean=-0.000002 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.398894 Jy keep ! Adding 311 model components to the UV plane model. ! The established model now contains 791 components and 0.398894 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1321+8316_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.624 x 4.798 at 37.02 degrees (North through East) ! Clean map min=-0.0015883 max=0.2148 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1321+8316_S_map.fits wmodel /vlbi/uf001/uva//J1321+8316_S_map.mod ! Writing 791 model components to file: /vlbi/uf001/uva//J1321+8316_S_map.mod wobs /vlbi/uf001/uva//J1321+8316_S_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1321+8316_S_uvs.fits wwins /vlbi/uf001/uva//J1321+8316_S_map.win ! wwins: Wrote 12 windows to /vlbi/uf001/uva//J1321+8316_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.214803 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000266369 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.372019 0.372019 0.744038 1.48808 2.97615 5.95231 11.9046 23.8092 47.6184 95.2369 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.214 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 806.41 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1321+8316_S_dfm.log closed on Mon Jan 14 02:20:15 2019