! Started logfile: J0108+0135_S_2010_10_13_pus_uvs.log on Sun Feb 27 23:55:18 2011 obs J0108+0135_S_2010_10_13_pus_uva.fits ! Reading UV FITS file: J0108+0135_S_2010_10_13_pus_uva.fits ! AN table 1: 111 integrations on 105 of 105 possible baselines. ! AN table 2: 68 integrations on 105 of 105 possible baselines. ! AN table 3: 76 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.0914659 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0108+0135 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.23696e+09 8e+06 1 8e+06 ! 02 2 2.26696e+09 8e+06 1 8e+06 ! 03 3 2.35696e+09 8e+06 1 8e+06 ! 04 4 2.37696e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3545 lines of history. ! ! Reading 9796 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.5 print "taper_size =",taper_size ! taper_size = 20 ![@muppet J0108+0135_S_2010_10_13_pus] 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 mapsize field_size, field_cell ! Map grid = 512x512 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 1116 telescope corrections were flagged in sub-array 1. ! A total of 820 telescope corrections were flagged in sub-array 2. ! A total of 859 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1116 telescope corrections were flagged in sub-array 1. ! A total of 820 telescope corrections were flagged in sub-array 2. ! A total of 859 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1116 telescope corrections were flagged in sub-array 1. ! A total of 820 telescope corrections were flagged in sub-array 2. ! A total of 859 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1116 telescope corrections were flagged in sub-array 1. ! A total of 820 telescope corrections were flagged in sub-array 2. ! A total of 859 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.899073Jy sigma=0.009361 ! Fit after self-cal, rms=0.849875Jy sigma=0.009003 ! 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=1.74 mas, bmaj=2.607 mas, bpa=23.02 degrees ! Estimated noise=1152.43 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 = 1.26853 Jy ! Component: 100 - total flux cleaned = 1.64971 Jy ! Total flux subtracted in 100 components = 1.64971 Jy ! Clean residual min=-0.056275 max=0.175735 Jy/beam ! Clean residual mean=0.000328 rms=0.018343 Jy/beam ! Combined flux in latest and established models = 1.64971 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 1.64971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.441955Jy sigma=0.004537 ! Fit after self-cal, rms=0.441220Jy sigma=0.004532 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.197249 Jy ! Component: 100 - total flux cleaned = 0.308424 Jy ! Total flux subtracted in 100 components = 0.308424 Jy ! Clean residual min=-0.037010 max=0.085753 Jy/beam ! Clean residual mean=-0.000315 rms=0.010780 Jy/beam ! Combined flux in latest and established models = 1.95814 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 24 components and 1.95814 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332663Jy sigma=0.003199 ! Fit after self-cal, rms=0.331730Jy sigma=0.003194 ! Inverting map ! Added new window around map position (-2.5, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0840261 Jy ! Component: 100 - total flux cleaned = 0.130893 Jy ! Total flux subtracted in 100 components = 0.130893 Jy ! Clean residual min=-0.036535 max=0.049635 Jy/beam ! Clean residual mean=-0.000590 rms=0.008819 Jy/beam ! Combined flux in latest and established models = 2.08903 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 35 components and 2.08903 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.308540Jy sigma=0.002939 ! Fit after self-cal, rms=0.306025Jy sigma=0.002928 ! 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=2.009 mas, bmaj=3.144 mas, bpa=17.34 degrees ! Estimated noise=807.674 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 = 0.0444841 Jy ! Component: 100 - total flux cleaned = 0.0647723 Jy ! Component: 150 - total flux cleaned = 0.0674642 Jy ! Component: 200 - total flux cleaned = 0.0697284 Jy ! Total flux subtracted in 200 components = 0.0697284 Jy ! Clean residual min=-0.051018 max=0.034354 Jy/beam ! Clean residual mean=-0.010384 rms=0.010895 Jy/beam ! Combined flux in latest and established models = 2.15876 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 44 components and 2.15876 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.300937Jy sigma=0.002884 ! Fit after self-cal, rms=0.299871Jy sigma=0.002878 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HH 1.02 HN 1.06 ! KB 1.00* KK 1.00* KP 0.97 LA 1.05 ! MK 1.00* NL 1.07 NY 1.05 OV 0.97 ! PT 1.00 SC 1.01 TS 1.00* ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.06 HN 1.00* ! KB 1.33 KK 1.00* KP 1.00* LA 1.00* ! MK 1.00* NL 1.00* NY 1.14 OV 1.00* ! PT 1.00* SC 1.00* TS 1.00 ! ! A total of 57 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.96 HH 1.00* HN 1.00* ! KB 0.98 KK 1.04 KP 0.96 LA 0.99 ! MK 0.97 NL 1.00* NY 1.00* OV 0.94 ! PT 0.94 SC 1.00* TS 0.94 ! ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HH 1.01 HN 1.07 ! KB 1.00* KK 1.00* KP 0.99 LA 1.01 ! MK 1.00* NL 1.10 NY 1.01 OV 1.01 ! PT 1.01 SC 1.01 TS 1.00* ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 1.02 HN 1.00* ! KB 1.35 KK 1.00* KP 1.00* LA 1.00* ! MK 1.00* NL 1.00* NY 1.11 OV 1.00* ! PT 1.00* SC 1.00* TS 0.97 ! ! A total of 57 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.96 HH 1.00* HN 1.00* ! KB 0.99 KK 1.01 KP 0.97 LA 0.96 ! MK 0.98 NL 1.00* NY 1.00* OV 0.99 ! PT 0.94 SC 1.00* TS 0.92 ! ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HH 0.96 HN 1.06 ! KB 1.00* KK 1.00* KP 0.99 LA 0.99 ! MK 1.00* NL 1.09 NY 1.00 OV 0.99 ! PT 0.99 SC 0.98 TS 1.00* ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.92 HN 1.00* ! KB 1.31 KK 1.00* KP 1.00* LA 1.00* ! MK 1.00* NL 1.00* NY 1.09 OV 1.00* ! PT 1.00* SC 1.00* TS 0.98 ! ! A total of 57 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.95 HH 1.00* HN 1.00* ! KB 1.01 KK 0.94 KP 0.99 LA 0.95 ! MK 0.94 NL 1.00* NY 1.00* OV 0.97 ! PT 0.94 SC 1.00* TS 0.95 ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.99 HH 0.92 HN 1.06 ! KB 1.00* KK 1.00* KP 0.98 LA 0.99 ! MK 1.00* NL 1.08 NY 0.96 OV 0.97 ! PT 0.98 SC 1.03 TS 1.00* ! ! A total of 108 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* HH 0.87 HN 1.00* ! KB 1.37 KK 1.00* KP 1.00* LA 1.00* ! MK 1.00* NL 1.00* NY 1.09 OV 1.00* ! PT 1.00* SC 1.00* TS 1.17 ! ! A total of 57 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.92 FD 0.95 HH 1.00* HN 1.00* ! KB 0.99 KK 0.88 KP 0.97 LA 0.95 ! MK 0.95 NL 1.00* NY 1.00* OV 0.96 ! PT 0.94 SC 1.00* TS 1.17 ! ! ! Fit before self-cal, rms=0.299871Jy sigma=0.002878 ! Fit after self-cal, rms=0.302884Jy sigma=0.002033 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.012 mas, bmaj=3.503 mas, bpa=22.79 degrees ! Estimated noise=852.479 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 (-11, -15.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0338018 Jy ! Component: 100 - total flux cleaned = 0.05072 Jy ! Component: 150 - total flux cleaned = 0.0556081 Jy ! Component: 200 - total flux cleaned = 0.0598973 Jy ! Total flux subtracted in 200 components = 0.0598973 Jy ! Clean residual min=-0.015029 max=0.026211 Jy/beam ! Clean residual mean=0.003383 rms=0.005109 Jy/beam ! Combined flux in latest and established models = 2.21865 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 61 components and 2.21865 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.297569Jy sigma=0.001992 ! Fit after self-cal, rms=0.296954Jy sigma=0.001984 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296954Jy sigma=0.001984 ! Fit after self-cal, rms=0.287620Jy sigma=0.001856 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.008 mas, bmaj=3.501 mas, bpa=23.03 degrees ! Estimated noise=853.664 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.017464 Jy ! Component: 100 - total flux cleaned = 0.0240497 Jy ! Component: 150 - total flux cleaned = 0.0270005 Jy ! Component: 200 - total flux cleaned = 0.0280826 Jy ! Total flux subtracted in 200 components = 0.0280826 Jy ! Clean residual min=-0.008528 max=0.017633 Jy/beam ! Clean residual mean=0.003647 rms=0.003349 Jy/beam ! Combined flux in latest and established models = 2.24674 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 71 components and 2.24674 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.285446Jy sigma=0.001847 ! Fit after self-cal, rms=0.285212Jy sigma=0.001845 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 (-12.5, -29). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0175504 Jy ! Component: 100 - total flux cleaned = 0.0244079 Jy ! Component: 150 - total flux cleaned = 0.0279953 Jy ! Component: 200 - total flux cleaned = 0.0295392 Jy ! Total flux subtracted in 200 components = 0.0295392 Jy ! Clean residual min=-0.009679 max=0.015222 Jy/beam ! Clean residual mean=0.002871 rms=0.003081 Jy/beam ! Combined flux in latest and established models = 2.27628 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 88 components and 2.27628 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.282947Jy sigma=0.001840 ! Fit after self-cal, rms=0.282905Jy sigma=0.001838 ! Inverting map ! Added new window around map position (20.5, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0133499 Jy ! Component: 100 - total flux cleaned = 0.0181333 Jy ! Component: 150 - total flux cleaned = 0.0213451 Jy ! Component: 200 - total flux cleaned = 0.0227805 Jy ! Total flux subtracted in 200 components = 0.0227805 Jy ! Clean residual min=-0.010479 max=0.013478 Jy/beam ! Clean residual mean=0.002307 rms=0.003044 Jy/beam ! Combined flux in latest and established models = 2.29906 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 106 components and 2.29906 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281096Jy sigma=0.001837 ! Fit after self-cal, rms=0.281018Jy sigma=0.001836 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.281018Jy sigma=0.001836 ! Fit after self-cal, rms=0.211765Jy sigma=0.001485 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.01 mas, bmaj=3.491 mas, bpa=22.83 degrees ! Estimated noise=854.365 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00316522 Jy ! Component: 100 - total flux cleaned = -0.00445818 Jy ! Component: 150 - total flux cleaned = -0.00555534 Jy ! Component: 200 - total flux cleaned = -0.0065267 Jy ! Total flux subtracted in 200 components = -0.0065267 Jy ! Clean residual min=-0.008227 max=0.007509 Jy/beam ! Clean residual mean=0.000122 rms=0.001596 Jy/beam ! Combined flux in latest and established models = 2.29253 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 119 components and 2.29253 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211267Jy sigma=0.001481 ! Fit after self-cal, rms=0.211217Jy sigma=0.001481 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 = -0.000305877 Jy ! Component: 100 - total flux cleaned = -0.00124769 Jy ! Component: 150 - total flux cleaned = -0.00166233 Jy ! Component: 200 - total flux cleaned = -0.00205594 Jy ! Total flux subtracted in 200 components = -0.00205594 Jy ! Clean residual min=-0.007168 max=0.006616 Jy/beam ! Clean residual mean=0.000174 rms=0.001530 Jy/beam ! Combined flux in latest and established models = 2.29047 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 124 components and 2.29047 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210944Jy sigma=0.001479 ! Fit after self-cal, rms=0.210894Jy sigma=0.001479 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210894Jy sigma=0.001479 ! Fit after self-cal, rms=0.211075Jy sigma=0.001478 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.942 mas, bmaj=10.82 mas, bpa=-26.75 degrees ! Estimated noise=1082.38 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00219334 Jy ! Component: 100 - total flux cleaned = -0.00326445 Jy ! Component: 150 - total flux cleaned = -0.00387354 Jy ! Component: 200 - total flux cleaned = -0.00441805 Jy ! Total flux subtracted in 200 components = -0.00441805 Jy ! Clean residual min=-0.005664 max=0.007091 Jy/beam ! Clean residual mean=0.000223 rms=0.002162 Jy/beam ! Combined flux in latest and established models = 2.28606 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 134 components and 2.28606 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211060Jy sigma=0.001478 ! Fit after self-cal, rms=0.211025Jy sigma=0.001477 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 = -8.92629e-05 Jy ! Component: 100 - total flux cleaned = -0.000608948 Jy ! Component: 150 - total flux cleaned = -0.000920694 Jy ! Component: 200 - total flux cleaned = -0.00106392 Jy ! Total flux subtracted in 200 components = -0.00106392 Jy ! Clean residual min=-0.005394 max=0.006938 Jy/beam ! Clean residual mean=0.000288 rms=0.002110 Jy/beam ! Combined flux in latest and established models = 2.28499 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 139 components and 2.28499 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211039Jy sigma=0.001477 ! Fit after self-cal, rms=0.210995Jy sigma=0.001477 ! 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=2.01 mas, bmaj=3.491 mas, bpa=22.81 degrees ! Estimated noise=854.383 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.01 x 3.491 at 22.81 degrees (North through East) ! Clean map min=-0.0065019 max=1.635 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210995Jy sigma=0.001477 ! Fit after self-cal, rms=0.171749Jy sigma=0.001120 ! Inverting map and beam ! Estimated beam: bmin=2.009 mas, bmaj=3.49 mas, bpa=22.84 degrees ! Estimated noise=854.064 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00173278 Jy ! Component: 100 - total flux cleaned = 0.00103216 Jy ! Component: 150 - total flux cleaned = 0.000183395 Jy ! Component: 200 - total flux cleaned = -0.000361013 Jy ! Total flux subtracted in 200 components = -0.000361013 Jy ! Clean residual min=-0.005619 max=0.006471 Jy/beam ! Clean residual mean=-0.000032 rms=0.001399 Jy/beam ! Combined flux in latest and established models = 2.28463 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 151 components and 2.28463 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171461Jy sigma=0.001118 ! Fit after self-cal, rms=0.171380Jy sigma=0.001118 ! Inverting map ! Added new window around map position (-6.5, -3.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00347062 Jy ! Component: 100 - total flux cleaned = 0.00304739 Jy ! Component: 150 - total flux cleaned = 0.00247616 Jy ! Component: 200 - total flux cleaned = 0.00195686 Jy ! Total flux subtracted in 200 components = 0.00195686 Jy ! Clean residual min=-0.005474 max=0.005337 Jy/beam ! Clean residual mean=-0.000084 rms=0.001339 Jy/beam ! Combined flux in latest and established models = 2.28659 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 159 components and 2.28659 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170977Jy sigma=0.001116 ! Fit after self-cal, rms=0.170939Jy sigma=0.001115 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170939Jy sigma=0.001115 ! Fit after self-cal, rms=0.170958Jy sigma=0.001115 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=1.74 mas, bmaj=2.73 mas, bpa=26.1 degrees ! Estimated noise=1224.51 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.27157 Jy ! Component: 100 - total flux cleaned = 1.65759 Jy ! Component: 150 - total flux cleaned = 1.86557 Jy ! Component: 200 - total flux cleaned = 1.98564 Jy ! Total flux subtracted in 200 components = 1.98564 Jy ! Clean residual min=-0.016378 max=0.059994 Jy/beam ! Clean residual mean=0.000610 rms=0.006358 Jy/beam ! Combined flux in latest and established models = 1.98564 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 21 model components to the UV plane model. ! The established model now contains 21 components and 1.98564 Jy ! Inverting map and beam ! Estimated beam: bmin=2.008 mas, bmaj=3.493 mas, bpa=22.88 degrees ! Estimated noise=853.98 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 = 0.100681 Jy ! Component: 100 - total flux cleaned = 0.153482 Jy ! Component: 150 - total flux cleaned = 0.188213 Jy ! Component: 200 - total flux cleaned = 0.212123 Jy ! Total flux subtracted in 200 components = 0.212123 Jy ! Clean residual min=-0.004965 max=0.015780 Jy/beam ! Clean residual mean=0.002293 rms=0.002816 Jy/beam ! Combined flux in latest and established models = 2.19776 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 61 components and 2.19776 Jy ! Inverting map ! Added new window around map position (-8.5, -9.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0180077 Jy ! Component: 100 - total flux cleaned = 0.0314294 Jy ! Component: 150 - total flux cleaned = 0.0418514 Jy ! Component: 200 - total flux cleaned = 0.0502213 Jy ! Total flux subtracted in 200 components = 0.0502213 Jy ! Clean residual min=-0.004424 max=0.007406 Jy/beam ! Clean residual mean=0.000963 rms=0.001628 Jy/beam ! Combined flux in latest and established models = 2.24798 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 86 components and 2.24798 Jy ! Inverting map ! Added new window around map position (4, -14). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00760165 Jy ! Component: 100 - total flux cleaned = 0.0134373 Jy ! Component: 150 - total flux cleaned = 0.0182718 Jy ! Component: 200 - total flux cleaned = 0.0222896 Jy ! Total flux subtracted in 200 components = 0.0222896 Jy ! Clean residual min=-0.004458 max=0.005399 Jy/beam ! Clean residual mean=0.000374 rms=0.001318 Jy/beam ! Combined flux in latest and established models = 2.27027 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 103 components and 2.27027 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=9.925 mas, bmaj=10.82 mas, bpa=-26.84 degrees ! Estimated noise=1082.64 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00599145 Jy ! Component: 100 - total flux cleaned = 0.00972147 Jy ! Component: 150 - total flux cleaned = 0.01216 Jy ! Component: 200 - total flux cleaned = 0.0138046 Jy ! Total flux subtracted in 200 components = 0.0138046 Jy ! Clean residual min=-0.004967 max=0.004384 Jy/beam ! Clean residual mean=0.000025 rms=0.001794 Jy/beam ! Combined flux in latest and established models = 2.28408 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 = 0.000499673 Jy ! Component: 100 - total flux cleaned = 0.000674279 Jy ! Component: 150 - total flux cleaned = 0.000836649 Jy ! Component: 200 - total flux cleaned = 0.000984731 Jy ! Total flux subtracted in 200 components = 0.000984731 Jy ! Clean residual min=-0.004961 max=0.004420 Jy/beam ! Clean residual mean=-0.000036 rms=0.001774 Jy/beam ! Combined flux in latest and established models = 2.28506 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 133 components and 2.28506 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.008 mas, bmaj=3.493 mas, bpa=22.88 degrees ! Estimated noise=853.98 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00172337 Jy ! Component: 100 - total flux cleaned = -0.00183024 Jy ! Component: 150 - total flux cleaned = -0.00174227 Jy ! Component: 200 - total flux cleaned = -0.00166157 Jy ! Total flux subtracted in 200 components = -0.00166157 Jy ! Clean residual min=-0.004646 max=0.004556 Jy/beam ! Clean residual mean=0.000030 rms=0.001214 Jy/beam ! Combined flux in latest and established models = 2.2834 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 150 components and 2.2834 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170438Jy sigma=0.001111 ! Fit after self-cal, rms=0.170254Jy sigma=0.001109 wmodel J0108+0135_S_2010_10_13_pus_map.mod ! Writing 150 model components to file: J0108+0135_S_2010_10_13_pus_map.mod wobs J0108+0135_S_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J0108+0135_S_2010_10_13_pus_uvs.fits wwins J0108+0135_S_2010_10_13_pus_map.win ! wwins: Wrote 8 windows to J0108+0135_S_2010_10_13_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00104564 Jy ! Component: 100 - total flux cleaned = -0.00160646 Jy ! Component: 150 - total flux cleaned = -0.00160731 Jy ! Component: 200 - total flux cleaned = -0.00153542 Jy ! Component: 250 - total flux cleaned = -0.00146435 Jy ! Component: 300 - total flux cleaned = -0.00132689 Jy ! Component: 350 - total flux cleaned = -0.00126058 Jy ! Component: 400 - total flux cleaned = -0.0011304 Jy ! Component: 450 - total flux cleaned = -0.000941031 Jy ! Component: 500 - total flux cleaned = -0.000941565 Jy ! Component: 550 - total flux cleaned = -0.000881751 Jy ! Component: 600 - total flux cleaned = -0.000763637 Jy ! Component: 650 - total flux cleaned = -0.000706001 Jy ! Component: 700 - total flux cleaned = -0.0007058 Jy ! Component: 750 - total flux cleaned = -0.000649002 Jy ! Component: 800 - total flux cleaned = -0.000703917 Jy ! Component: 850 - total flux cleaned = -0.000593655 Jy ! Component: 900 - total flux cleaned = -0.000647179 Jy ! Component: 950 - total flux cleaned = -0.000488003 Jy ! Component: 1000 - total flux cleaned = -0.00048823 Jy ! Component: 1050 - total flux cleaned = -0.000436912 Jy ! Component: 1100 - total flux cleaned = -0.000385967 Jy ! Component: 1150 - total flux cleaned = -0.000335687 Jy ! Component: 1200 - total flux cleaned = -0.000187059 Jy ! Component: 1250 - total flux cleaned = -0.000187319 Jy ! Component: 1300 - total flux cleaned = -0.000138692 Jy ! Component: 1350 - total flux cleaned = -4.30569e-05 Jy ! Component: 1400 - total flux cleaned = 5.16556e-05 Jy ! Component: 1450 - total flux cleaned = 5.14115e-05 Jy ! Component: 1500 - total flux cleaned = 0.000144814 Jy ! Component: 1550 - total flux cleaned = 0.000236781 Jy ! Component: 1600 - total flux cleaned = 0.000236596 Jy ! Component: 1650 - total flux cleaned = 0.00032711 Jy ! Component: 1700 - total flux cleaned = 0.000371613 Jy ! Component: 1750 - total flux cleaned = 0.000371509 Jy ! Component: 1800 - total flux cleaned = 0.000415551 Jy ! Component: 1850 - total flux cleaned = 0.000459276 Jy ! Component: 1900 - total flux cleaned = 0.000502541 Jy ! Component: 1950 - total flux cleaned = 0.000545345 Jy ! Component: 2000 - total flux cleaned = 0.000587814 Jy ! Total flux subtracted in 2048 components = 0.00054537 Jy ! Clean residual min=-0.002514 max=0.002614 Jy/beam ! Clean residual mean=0.000041 rms=0.000766 Jy/beam ! Combined flux in latest and established models = 2.28394 Jy keep ! Adding 151 model components to the UV plane model. ! The established model now contains 301 components and 2.28394 Jy ![Exited script file: muppet] wmap "J0108+0135_S_2010_10_13_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.008 x 3.493 at 22.88 degrees (North through East) ! Clean map min=-0.0045294 max=1.6522 Jy/beam ! Writing clean map to FITS file: J0108+0135_S_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.65219 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000767658 device "J0108+0135_S_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0108+0135_S_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.139389 0.139389 0.278779 0.557557 1.11511 2.23023 4.46046 8.92092 17.8418 35.6837 71.3673 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.652 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.008 x 3.493 at 22.88 degrees (North through East) ! Clean map min=-0.0045294 max=1.6522 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0108+0135_S_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J0108+0135_S_2010_10_13_pus_map.gif/vgif' mapplot cln