! Started logfile: J0001+1914_S_2010_06_23_pus_uvs.log on Sat Jan 29 22:34:16 2011 obs J0001+1914_S_2010_06_23_pus_uva.fits ! Reading UV FITS file: J0001+1914_S_2010_06_23_pus_uva.fits ! AN table 1: 156 integrations on 105 of 105 possible baselines. ! AN table 2: 76 integrations on 105 of 105 possible baselines. ! AN table 3: 307 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.304568 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0001+1914 ! ! 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 3082 lines of history. ! ! Reading 68948 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 J0001+1914_S_2010_06_23_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 925 telescope corrections were flagged in sub-array 1. ! A total of 843 telescope corrections were flagged in sub-array 2. ! A total of 2618 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 925 telescope corrections were flagged in sub-array 1. ! A total of 843 telescope corrections were flagged in sub-array 2. ! A total of 2618 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 925 telescope corrections were flagged in sub-array 1. ! A total of 843 telescope corrections were flagged in sub-array 2. ! A total of 2618 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 925 telescope corrections were flagged in sub-array 1. ! A total of 843 telescope corrections were flagged in sub-array 2. ! A total of 2618 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.779117Jy sigma=0.009195 ! Fit after self-cal, rms=0.756205Jy sigma=0.008967 ! 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=1.824 mas, bmaj=4.659 mas, bpa=-1.466 degrees ! Estimated noise=505.332 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 = 0.198233 Jy ! Component: 100 - total flux cleaned = 0.24665 Jy ! Total flux subtracted in 100 components = 0.24665 Jy ! Clean residual min=-0.007458 max=0.020210 Jy/beam ! Clean residual mean=0.000055 rms=0.002341 Jy/beam ! Combined flux in latest and established models = 0.24665 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.24665 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153115Jy sigma=0.001509 ! Fit after self-cal, rms=0.153057Jy sigma=0.001509 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0226418 Jy ! Component: 100 - total flux cleaned = 0.0360371 Jy ! Total flux subtracted in 100 components = 0.0360371 Jy ! Clean residual min=-0.007706 max=0.009272 Jy/beam ! Clean residual mean=0.000041 rms=0.001978 Jy/beam ! Combined flux in latest and established models = 0.282687 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 30 components and 0.282687 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149679Jy sigma=0.001442 ! Fit after self-cal, rms=0.149660Jy sigma=0.001442 ! 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=2.278 mas, bmaj=5.42 mas, bpa=-4.056 degrees ! Estimated noise=235.092 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 = 0.0102329 Jy ! Component: 100 - total flux cleaned = 0.015255 Jy ! Component: 150 - total flux cleaned = 0.018086 Jy ! Component: 200 - total flux cleaned = 0.019396 Jy ! Total flux subtracted in 200 components = 0.019396 Jy ! Clean residual min=-0.006866 max=0.008309 Jy/beam ! Clean residual mean=0.000043 rms=0.001966 Jy/beam ! Combined flux in latest and established models = 0.302083 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 42 components and 0.302083 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148983Jy sigma=0.001433 ! Fit after self-cal, rms=0.148988Jy sigma=0.001433 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.13 HN 1.16 KK 1.11 ! KP 0.93 LA 1.00 MA 1.00* MK 0.75 ! NL 0.90 NY 1.06 OV 0.95 PT 1.03 ! SC 0.94 TS 1.26 ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.11 HN 1.15 KK 1.00* ! KP 0.93 LA 1.00 MA 1.00* MK 0.76 ! NL 0.93 NY 1.00* OV 0.93 PT 1.04 ! SC 1.00* TS 1.00* ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 1.14 HN 1.17 KK 1.23 ! KP 0.97 LA 1.01 MA 1.63 MK 1.00* ! NL 0.92 NY 1.12 OV 0.97 PT 1.03 ! SC 0.90 TS 0.85 ZC 1.09 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.24 HN 1.27 KK 1.02 ! KP 1.00 LA 0.94 MA 1.00* MK 0.87 ! NL 0.98 NY 1.07 OV 1.01 PT 1.01 ! SC 1.03 TS 1.05 ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.27 HN 1.27 KK 1.00* ! KP 0.99 LA 0.94 MA 1.00* MK 0.89 ! NL 1.00 NY 1.00* OV 0.98 PT 0.99 ! SC 1.00* TS 1.00* ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 1.25 HN 1.27 KK 1.01 ! KP 1.02 LA 0.95 MA 2.50 MK 1.00* ! NL 0.98 NY 1.14 OV 1.02 PT 1.02 ! SC 1.01 TS 0.88 ZC 0.99 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.24 HN 1.15 KK 1.00 ! KP 0.99 LA 0.92 MA 1.00* MK 0.82 ! NL 1.01 NY 1.07 OV 1.01 PT 0.99 ! SC 0.94 TS 1.14 ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.26 HN 1.16 KK 1.00* ! KP 0.99 LA 0.92 MA 1.00* MK 0.85 ! NL 1.02 NY 1.00* OV 1.01 PT 0.98 ! SC 1.00* TS 1.00* ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 1.26 HN 1.19 KK 1.01 ! KP 0.99 LA 0.92 MA 0.68 MK 1.00* ! NL 1.01 NY 1.10 OV 1.02 PT 0.99 ! SC 0.90 TS 0.94 ZC 1.07 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.21 HN 1.13 KK 0.99 ! KP 0.92 LA 0.75 MA 1.00* MK 0.87 ! NL 0.85 NY 1.22 OV 0.86 PT 0.91 ! SC 0.97 TS 1.07 ZC 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.84 FD 1.19 HN 1.07 KK 1.00* ! KP 0.92 LA 0.76 MA 1.00* MK 0.88 ! NL 0.88 NY 1.00* OV 0.85 PT 0.90 ! SC 1.00* TS 1.00* ZC 1.00* ! ! A total of 84 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 1.27 HN 1.14 KK 0.91 ! KP 0.92 LA 0.74 MA 0.90 MK 1.00* ! NL 0.86 NY 1.19 OV 0.86 PT 0.90 ! SC 0.95 TS 0.98 ZC 0.99 ! ! ! Fit before self-cal, rms=0.148988Jy sigma=0.001433 ! Fit after self-cal, rms=0.156770Jy sigma=0.001302 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.319 mas, bmaj=5.494 mas, bpa=-4.34 degrees ! Estimated noise=237.265 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 = -0.00184696 Jy ! Component: 100 - total flux cleaned = -0.00211191 Jy ! Component: 150 - total flux cleaned = -0.00224199 Jy ! Component: 200 - total flux cleaned = -0.00231704 Jy ! Total flux subtracted in 200 components = -0.00231704 Jy ! Clean residual min=-0.001514 max=0.002391 Jy/beam ! Clean residual mean=0.000019 rms=0.000415 Jy/beam ! Combined flux in latest and established models = 0.299766 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 52 components and 0.299766 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156717Jy sigma=0.001302 ! Fit after self-cal, rms=0.157079Jy sigma=0.001301 ! Inverting map ! Added new window around map position (3.5, 3.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00247123 Jy ! Component: 100 - total flux cleaned = 0.00260381 Jy ! Component: 150 - total flux cleaned = 0.00260517 Jy ! Component: 200 - total flux cleaned = 0.00265024 Jy ! Total flux subtracted in 200 components = 0.00265024 Jy ! Clean residual min=-0.001405 max=0.001516 Jy/beam ! Clean residual mean=0.000012 rms=0.000369 Jy/beam ! Combined flux in latest and established models = 0.302416 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 75 components and 0.302416 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157026Jy sigma=0.001300 ! Fit after self-cal, rms=0.157021Jy sigma=0.001300 ! 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=0.157021Jy sigma=0.001300 ! Fit after self-cal, rms=0.159033Jy sigma=0.001299 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.324 mas, bmaj=5.508 mas, bpa=-4.397 degrees ! Estimated noise=237.35 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.22381e-05 Jy ! Component: 100 - total flux cleaned = 8.86964e-05 Jy ! Component: 150 - total flux cleaned = 0.000239602 Jy ! Component: 200 - total flux cleaned = 0.000272573 Jy ! Total flux subtracted in 200 components = 0.000272573 Jy ! Clean residual min=-0.001259 max=0.001489 Jy/beam ! Clean residual mean=0.000011 rms=0.000335 Jy/beam ! Combined flux in latest and established models = 0.302689 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 84 components and 0.302689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159002Jy sigma=0.001299 ! Fit after self-cal, rms=0.159071Jy sigma=0.001299 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 (9, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000836976 Jy ! Component: 100 - total flux cleaned = 0.000876199 Jy ! Component: 150 - total flux cleaned = 0.000875764 Jy ! Component: 200 - total flux cleaned = 0.000847397 Jy ! Total flux subtracted in 200 components = 0.000847397 Jy ! Clean residual min=-0.001276 max=0.001269 Jy/beam ! Clean residual mean=0.000007 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.303536 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 95 components and 0.303536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159051Jy sigma=0.001299 ! Fit after self-cal, rms=0.159052Jy sigma=0.001299 ! 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=0.159052Jy sigma=0.001299 ! Fit after self-cal, rms=0.159513Jy sigma=0.001297 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.327 mas, bmaj=5.514 mas, bpa=-4.416 degrees ! Estimated noise=237.189 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000139866 Jy ! Component: 100 - total flux cleaned = -1.4178e-05 Jy ! Component: 150 - total flux cleaned = -3.86021e-05 Jy ! Component: 200 - total flux cleaned = -6.06652e-05 Jy ! Total flux subtracted in 200 components = -6.06652e-05 Jy ! Clean residual min=-0.001163 max=0.001236 Jy/beam ! Clean residual mean=0.000007 rms=0.000300 Jy/beam ! Combined flux in latest and established models = 0.303476 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 113 components and 0.303476 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159496Jy sigma=0.001297 ! Fit after self-cal, rms=0.159505Jy sigma=0.001297 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 = 0.000107908 Jy ! Component: 100 - total flux cleaned = 0.000109461 Jy ! Component: 150 - total flux cleaned = 0.000109329 Jy ! Component: 200 - total flux cleaned = 9.08269e-05 Jy ! Total flux subtracted in 200 components = 9.08269e-05 Jy ! Clean residual min=-0.001163 max=0.001254 Jy/beam ! Clean residual mean=0.000007 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.303566 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 122 components and 0.303566 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159498Jy sigma=0.001297 ! Fit after self-cal, rms=0.159501Jy sigma=0.001297 ! 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=0.159501Jy sigma=0.001297 ! Fit after self-cal, rms=0.159743Jy sigma=0.001297 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.129 mas, bmaj=10.16 mas, bpa=-2.341 degrees ! Estimated noise=292.452 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.67257e-05 Jy ! Component: 100 - total flux cleaned = -0.000207163 Jy ! Component: 150 - total flux cleaned = -0.000265558 Jy ! Component: 200 - total flux cleaned = -0.000315198 Jy ! Total flux subtracted in 200 components = -0.000315198 Jy ! Clean residual min=-0.001127 max=0.001103 Jy/beam ! Clean residual mean=0.000019 rms=0.000330 Jy/beam ! Combined flux in latest and established models = 0.303251 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 144 components and 0.303251 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159741Jy sigma=0.001297 ! Fit after self-cal, rms=0.159739Jy sigma=0.001297 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 = 9.46259e-06 Jy ! Component: 100 - total flux cleaned = -2.35462e-05 Jy ! Component: 150 - total flux cleaned = -6.08031e-05 Jy ! Component: 200 - total flux cleaned = -6.9125e-05 Jy ! Total flux subtracted in 200 components = -6.9125e-05 Jy ! Clean residual min=-0.001144 max=0.001103 Jy/beam ! Clean residual mean=0.000020 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.303182 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 162 components and 0.303182 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159739Jy sigma=0.001297 ! Fit after self-cal, rms=0.159739Jy sigma=0.001297 ! 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=2.33 mas, bmaj=5.52 mas, bpa=-4.446 degrees ! Estimated noise=237.151 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.33 x 5.52 at -4.446 degrees (North through East) ! Clean map min=-0.0010717 max=0.26218 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=1.857 mas, bmaj=4.737 mas, bpa=-1.876 degrees ! Estimated noise=515.884 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.198891 Jy ! Component: 100 - total flux cleaned = 0.245505 Jy ! Component: 150 - total flux cleaned = 0.265595 Jy ! Component: 200 - total flux cleaned = 0.277099 Jy ! Total flux subtracted in 200 components = 0.277099 Jy ! Clean residual min=-0.003123 max=0.005963 Jy/beam ! Clean residual mean=0.000018 rms=0.000949 Jy/beam ! Combined flux in latest and established models = 0.277099 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 26 model components to the UV plane model. ! The established model now contains 26 components and 0.277099 Jy ! Inverting map and beam ! Estimated beam: bmin=2.33 mas, bmaj=5.52 mas, bpa=-4.446 degrees ! Estimated noise=237.151 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 = 0.0105057 Jy ! Component: 100 - total flux cleaned = 0.016081 Jy ! Component: 150 - total flux cleaned = 0.0194837 Jy ! Component: 200 - total flux cleaned = 0.0217932 Jy ! Total flux subtracted in 200 components = 0.0217932 Jy ! Clean residual min=-0.001371 max=0.001458 Jy/beam ! Clean residual mean=0.000019 rms=0.000353 Jy/beam ! Combined flux in latest and established models = 0.298892 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 64 components and 0.298892 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=8.129 mas, bmaj=10.16 mas, bpa=-2.341 degrees ! Estimated noise=292.452 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00251662 Jy ! Component: 100 - total flux cleaned = 0.00365026 Jy ! Component: 150 - total flux cleaned = 0.00404863 Jy ! Component: 200 - total flux cleaned = 0.00420357 Jy ! Total flux subtracted in 200 components = 0.00420357 Jy ! Clean residual min=-0.001142 max=0.000968 Jy/beam ! Clean residual mean=0.000020 rms=0.000333 Jy/beam ! Combined flux in latest and established models = 0.303096 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 = 7.84299e-05 Jy ! Component: 100 - total flux cleaned = 0.000121769 Jy ! Component: 150 - total flux cleaned = 0.00011252 Jy ! Component: 200 - total flux cleaned = 0.000112603 Jy ! Total flux subtracted in 200 components = 0.000112603 Jy ! Clean residual min=-0.001143 max=0.001019 Jy/beam ! Clean residual mean=0.000019 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.303208 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 111 components and 0.303208 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.33 mas, bmaj=5.52 mas, bpa=-4.446 degrees ! Estimated noise=237.151 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.47351e-05 Jy ! Component: 100 - total flux cleaned = 3.41888e-05 Jy ! Component: 150 - total flux cleaned = 6.00137e-05 Jy ! Component: 200 - total flux cleaned = 0.000105904 Jy ! Total flux subtracted in 200 components = 0.000105904 Jy ! Clean residual min=-0.001208 max=0.001169 Jy/beam ! Clean residual mean=0.000007 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.303314 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 125 components and 0.303314 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159733Jy sigma=0.001297 ! Fit after self-cal, rms=0.159734Jy sigma=0.001297 wmodel J0001+1914_S_2010_06_23_pus_map.mod ! Writing 125 model components to file: J0001+1914_S_2010_06_23_pus_map.mod wobs J0001+1914_S_2010_06_23_pus_uvs.fits ! Writing UV FITS file: J0001+1914_S_2010_06_23_pus_uvs.fits wwins J0001+1914_S_2010_06_23_pus_map.win ! wwins: Wrote 3 windows to J0001+1914_S_2010_06_23_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 = 0.000131398 Jy ! Component: 100 - total flux cleaned = 0.000209392 Jy ! Component: 150 - total flux cleaned = 0.000341735 Jy ! Component: 200 - total flux cleaned = 0.000377782 Jy ! Component: 250 - total flux cleaned = 0.000430787 Jy ! Component: 300 - total flux cleaned = 0.000500086 Jy ! Component: 350 - total flux cleaned = 0.000550995 Jy ! Component: 400 - total flux cleaned = 0.000551169 Jy ! Component: 450 - total flux cleaned = 0.000551809 Jy ! Component: 500 - total flux cleaned = 0.000567832 Jy ! Component: 550 - total flux cleaned = 0.000536267 Jy ! Component: 600 - total flux cleaned = 0.000582659 Jy ! Component: 650 - total flux cleaned = 0.000567243 Jy ! Component: 700 - total flux cleaned = 0.000582396 Jy ! Component: 750 - total flux cleaned = 0.000582388 Jy ! Component: 800 - total flux cleaned = 0.00056801 Jy ! Component: 850 - total flux cleaned = 0.000553688 Jy ! Component: 900 - total flux cleaned = 0.000553868 Jy ! Component: 950 - total flux cleaned = 0.000539794 Jy ! Component: 1000 - total flux cleaned = 0.000539856 Jy ! Component: 1050 - total flux cleaned = 0.000470485 Jy ! Component: 1100 - total flux cleaned = 0.000497849 Jy ! Component: 1150 - total flux cleaned = 0.000456927 Jy ! Component: 1200 - total flux cleaned = 0.000429916 Jy ! Component: 1250 - total flux cleaned = 0.000416493 Jy ! Component: 1300 - total flux cleaned = 0.000389965 Jy ! Component: 1350 - total flux cleaned = 0.000403078 Jy ! Component: 1400 - total flux cleaned = 0.000363849 Jy ! Component: 1450 - total flux cleaned = 0.000389755 Jy ! Component: 1500 - total flux cleaned = 0.000389672 Jy ! Component: 1550 - total flux cleaned = 0.00036414 Jy ! Component: 1600 - total flux cleaned = 0.000414823 Jy ! Component: 1650 - total flux cleaned = 0.00036443 Jy ! Component: 1700 - total flux cleaned = 0.000339427 Jy ! Component: 1750 - total flux cleaned = 0.000302205 Jy ! Component: 1800 - total flux cleaned = 0.000289979 Jy ! Component: 1850 - total flux cleaned = 0.000277596 Jy ! Component: 1900 - total flux cleaned = 0.000204675 Jy ! Component: 1950 - total flux cleaned = 0.000192565 Jy ! Component: 2000 - total flux cleaned = 0.000168696 Jy ! Total flux subtracted in 2048 components = 0.000156813 Jy ! Clean residual min=-0.000824 max=0.000901 Jy/beam ! Clean residual mean=0.000006 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.303471 Jy keep ! Adding 145 model components to the UV plane model. ! The established model now contains 270 components and 0.303471 Jy ![Exited script file: muppet] wmap "J0001+1914_S_2010_06_23_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.33 x 5.52 at -4.446 degrees (North through East) ! Clean map min=-0.0010191 max=0.26275 Jy/beam ! Writing clean map to FITS file: J0001+1914_S_2010_06_23_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.262754 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000228974 device "J0001+1914_S_2010_06_23_pus\_map.eps/VPS" ! Attempting to open device: 'J0001+1914_S_2010_06_23_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.261432 0.261432 0.522864 1.04573 2.09145 4.18291 8.36582 16.7316 33.4633 66.9266 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.262 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.33 x 5.52 at -4.446 degrees (North through East) ! Clean map min=-0.0010191 max=0.26275 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0001+1914_S_2010_06_23_pus\_map.gif/vgif" ! Attempting to open device: 'J0001+1914_S_2010_06_23_pus_map.gif/vgif' mapplot cln