! Started logfile: J1756+1535_S_2009_04_21_pus_uvs.log on Mon Jan 24 18:34:41 2011 obs J1756+1535_S_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1756+1535_S_2009_04_21_pus_uva.fits ! AN table 1: 135 integrations on 120 of 120 possible baselines. ! AN table 2: 200 integrations on 120 of 120 possible baselines. ! AN table 3: 186 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.195058 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1756+1535 ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1864 lines of history. ! ! Reading 48780 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 J1756+1535_S_2009_04_21_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 1901 telescope corrections were flagged in sub-array 1. ! A total of 2227 telescope corrections were flagged in sub-array 2. ! A total of 1471 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1901 telescope corrections were flagged in sub-array 1. ! A total of 2227 telescope corrections were flagged in sub-array 2. ! A total of 1471 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1901 telescope corrections were flagged in sub-array 1. ! A total of 2227 telescope corrections were flagged in sub-array 2. ! A total of 1471 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1901 telescope corrections were flagged in sub-array 1. ! A total of 2227 telescope corrections were flagged in sub-array 2. ! A total of 1471 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.868023Jy sigma=0.007265 ! Fit after self-cal, rms=0.804334Jy sigma=0.006665 ! 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=1.717 mas, bmaj=5.521 mas, bpa=-5.835 degrees ! Estimated noise=685.038 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 = 0.163498 Jy ! Component: 100 - total flux cleaned = 0.202574 Jy ! Total flux subtracted in 100 components = 0.202574 Jy ! Clean residual min=-0.005114 max=0.016160 Jy/beam ! Clean residual mean=0.000145 rms=0.001596 Jy/beam ! Combined flux in latest and established models = 0.202574 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.202574 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172599Jy sigma=0.001278 ! Fit after self-cal, rms=0.172583Jy sigma=0.001278 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.01789 Jy ! Component: 100 - total flux cleaned = 0.0269962 Jy ! Total flux subtracted in 100 components = 0.0269962 Jy ! Clean residual min=-0.004913 max=0.005554 Jy/beam ! Clean residual mean=0.000054 rms=0.001171 Jy/beam ! Combined flux in latest and established models = 0.22957 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 0.22957 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170703Jy sigma=0.001257 ! Fit after self-cal, rms=0.170682Jy sigma=0.001257 ! 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=2.064 mas, bmaj=6.131 mas, bpa=-6.448 degrees ! Estimated noise=395.55 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 = 0.00590568 Jy ! Component: 100 - total flux cleaned = 0.00863138 Jy ! Component: 150 - total flux cleaned = 0.0100122 Jy ! Component: 200 - total flux cleaned = 0.0105075 Jy ! Total flux subtracted in 200 components = 0.0105075 Jy ! Clean residual min=-0.003975 max=0.003457 Jy/beam ! Clean residual mean=0.000168 rms=0.000871 Jy/beam ! Combined flux in latest and established models = 0.240078 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 25 components and 0.240078 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170513Jy sigma=0.001255 ! Fit after self-cal, rms=0.170518Jy sigma=0.001255 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 183 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KB 0.99 ! KK 1.02 KP 1.00* LA 1.00* MK 0.91 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.45 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.99 HN 1.01 KB 0.91 ! KK 1.08 KP 0.93 LA 1.02 MK 0.93 ! NL 1.01 NY 1.00* OV 0.96 PT 0.99 ! SC 1.10 TS 0.96 WZ 1.00* ZC 1.00* ! ! A total of 69 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.01 HN 1.00 KB 1.00* ! KK 1.00* KP 1.01 LA 1.10 MK 1.00* ! NL 1.01 NY 1.06 OV 1.00 PT 1.04 ! SC 1.04 TS 1.00* WZ 1.00 ZC 1.35 ! ! ! Correcting IF 2. ! A total of 183 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KB 1.05 ! KK 0.91 KP 1.00* LA 1.00* MK 0.92 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.03 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.96 HN 1.02 KB 1.02 ! KK 1.00 KP 0.99 LA 0.97 MK 0.96 ! NL 0.99 NY 1.00* OV 0.94 PT 1.01 ! SC 1.12 TS 0.98 WZ 1.00* ZC 1.00* ! ! A total of 69 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.01 HN 1.01 KB 1.00* ! KK 1.00* KP 1.04 LA 1.02 MK 1.00* ! NL 1.03 NY 1.04 OV 1.00 PT 1.05 ! SC 1.09 TS 1.00* WZ 0.90 ZC 1.14 ! ! ! Correcting IF 3. ! A total of 183 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KB 0.86 ! KK 1.05 KP 1.00* LA 1.00* MK 1.16 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.22 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.98 HN 0.98 KB 1.01 ! KK 1.00 KP 1.00 LA 1.01 MK 0.92 ! NL 1.02 NY 1.00* OV 0.99 PT 1.05 ! SC 1.01 TS 1.00 WZ 1.00* ZC 1.00* ! ! A total of 69 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 1.03 HN 0.99 KB 1.00* ! KK 1.00* KP 1.05 LA 1.03 MK 1.00* ! NL 1.02 NY 1.01 OV 1.08 PT 1.06 ! SC 0.98 TS 1.00* WZ 0.82 ZC 1.06 ! ! ! Correcting IF 4. ! A total of 183 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HN 1.00* KB 0.85 ! KK 1.00 KP 1.00* LA 1.00* MK 1.12 ! NL 1.00* NY 1.00* OV 1.00* PT 1.00* ! SC 1.00* TS 1.28 WZ 1.00* ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.98 HN 1.03 KB 0.96 ! KK 0.97 KP 0.99 LA 1.02 MK 0.95 ! NL 1.01 NY 1.00* OV 0.85 PT 0.92 ! SC 1.02 TS 1.09 WZ 1.00* ZC 1.00* ! ! A total of 69 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.05 FD 1.02 HN 1.01 KB 1.00* ! KK 1.00* KP 1.01 LA 1.03 MK 1.00* ! NL 1.02 NY 0.94 OV 0.85 PT 0.94 ! SC 1.00 TS 1.00* WZ 0.81 ZC 0.98 ! ! ! Fit before self-cal, rms=0.170518Jy sigma=0.001255 ! Fit after self-cal, rms=0.169654Jy sigma=0.001244 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.088 mas, bmaj=6.124 mas, bpa=-6.573 degrees ! Estimated noise=402.889 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 = 0.00135313 Jy ! Component: 100 - total flux cleaned = 0.00137759 Jy ! Component: 150 - total flux cleaned = 0.00132464 Jy ! Component: 200 - total flux cleaned = 0.00129408 Jy ! Total flux subtracted in 200 components = 0.00129408 Jy ! Clean residual min=-0.002299 max=0.002195 Jy/beam ! Clean residual mean=0.000044 rms=0.000524 Jy/beam ! Combined flux in latest and established models = 0.241372 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 35 components and 0.241372 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169641Jy sigma=0.001244 ! Fit after self-cal, rms=0.169674Jy sigma=0.001244 ! 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=0.169674Jy sigma=0.001244 ! Fit after self-cal, rms=0.169445Jy sigma=0.001243 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.085 mas, bmaj=6.124 mas, bpa=-6.584 degrees ! Estimated noise=403.228 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000538688 Jy ! Component: 100 - total flux cleaned = 0.000554185 Jy ! Component: 150 - total flux cleaned = 0.000511967 Jy ! Component: 200 - total flux cleaned = 0.000475108 Jy ! Total flux subtracted in 200 components = 0.000475108 Jy ! Clean residual min=-0.002276 max=0.001827 Jy/beam ! Clean residual mean=0.000028 rms=0.000493 Jy/beam ! Combined flux in latest and established models = 0.241847 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 40 components and 0.241847 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169440Jy sigma=0.001243 ! Fit after self-cal, rms=0.169457Jy sigma=0.001243 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 = -5.7404e-06 Jy ! Component: 100 - total flux cleaned = -1.58401e-05 Jy ! Component: 150 - total flux cleaned = -2.53378e-05 Jy ! Component: 200 - total flux cleaned = -3.43813e-05 Jy ! Total flux subtracted in 200 components = -3.43813e-05 Jy ! Clean residual min=-0.002280 max=0.001826 Jy/beam ! Clean residual mean=0.000030 rms=0.000493 Jy/beam ! Combined flux in latest and established models = 0.241813 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 43 components and 0.241813 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169455Jy sigma=0.001242 ! Fit after self-cal, rms=0.169455Jy sigma=0.001242 ! 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=0.169455Jy sigma=0.001242 ! Fit after self-cal, rms=0.169349Jy sigma=0.001242 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.082 mas, bmaj=6.125 mas, bpa=-6.579 degrees ! Estimated noise=403.429 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000409319 Jy ! Component: 100 - total flux cleaned = 0.00040955 Jy ! Component: 150 - total flux cleaned = 0.000410141 Jy ! Component: 200 - total flux cleaned = 0.000410452 Jy ! Total flux subtracted in 200 components = 0.000410452 Jy ! Clean residual min=-0.002300 max=0.001863 Jy/beam ! Clean residual mean=0.000017 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 0.242223 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 44 components and 0.242223 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169347Jy sigma=0.001242 ! Fit after self-cal, rms=0.169354Jy sigma=0.001242 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 = 3.20461e-06 Jy ! Component: 100 - total flux cleaned = 3.32836e-06 Jy ! Component: 150 - total flux cleaned = -3.80433e-06 Jy ! Component: 200 - total flux cleaned = -3.42668e-06 Jy ! Total flux subtracted in 200 components = -3.42668e-06 Jy ! Clean residual min=-0.002301 max=0.001862 Jy/beam ! Clean residual mean=0.000019 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 0.24222 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 46 components and 0.24222 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169354Jy sigma=0.001242 ! Fit after self-cal, rms=0.169354Jy sigma=0.001242 ! 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=0.169354Jy sigma=0.001242 ! Fit after self-cal, rms=0.169350Jy sigma=0.001242 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.548 mas, bmaj=10.2 mas, bpa=-3.046 degrees ! Estimated noise=543.301 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000631262 Jy ! Component: 100 - total flux cleaned = 0.000680333 Jy ! Component: 150 - total flux cleaned = 0.000672218 Jy ! Component: 200 - total flux cleaned = 0.000671785 Jy ! Total flux subtracted in 200 components = 0.000671785 Jy ! Clean residual min=-0.002036 max=0.002589 Jy/beam ! Clean residual mean=0.000015 rms=0.000732 Jy/beam ! Combined flux in latest and established models = 0.242892 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 55 components and 0.242892 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169351Jy sigma=0.001242 ! Fit after self-cal, rms=0.169355Jy sigma=0.001242 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 = 5.97422e-05 Jy ! Component: 100 - total flux cleaned = 5.21367e-05 Jy ! Component: 150 - total flux cleaned = 5.21386e-05 Jy ! Component: 200 - total flux cleaned = 4.56352e-05 Jy ! Total flux subtracted in 200 components = 4.56352e-05 Jy ! Clean residual min=-0.002015 max=0.002600 Jy/beam ! Clean residual mean=0.000017 rms=0.000731 Jy/beam ! Combined flux in latest and established models = 0.242937 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 56 components and 0.242937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169358Jy sigma=0.001242 ! Fit after self-cal, rms=0.169357Jy sigma=0.001242 ! 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=2.08 mas, bmaj=6.125 mas, bpa=-6.573 degrees ! Estimated noise=403.655 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.08 x 6.125 at -6.573 degrees (North through East) ! Clean map min=-0.0020761 max=0.21431 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=1.763 mas, bmaj=5.463 mas, bpa=-6.054 degrees ! Estimated noise=659.791 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.162427 Jy ! Component: 100 - total flux cleaned = 0.202235 Jy ! Component: 150 - total flux cleaned = 0.22033 Jy ! Component: 200 - total flux cleaned = 0.229418 Jy ! Total flux subtracted in 200 components = 0.229418 Jy ! Clean residual min=-0.002952 max=0.004207 Jy/beam ! Clean residual mean=0.000046 rms=0.000807 Jy/beam ! Combined flux in latest and established models = 0.229418 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.229418 Jy ! Inverting map and beam ! Estimated beam: bmin=2.08 mas, bmaj=6.125 mas, bpa=-6.573 degrees ! Estimated noise=403.655 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 = 0.00701097 Jy ! Component: 100 - total flux cleaned = 0.0101858 Jy ! Component: 150 - total flux cleaned = 0.0117986 Jy ! Component: 200 - total flux cleaned = 0.0126391 Jy ! Total flux subtracted in 200 components = 0.0126391 Jy ! Clean residual min=-0.002372 max=0.001843 Jy/beam ! Clean residual mean=0.000018 rms=0.000497 Jy/beam ! Combined flux in latest and established models = 0.242057 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 27 components and 0.242057 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=8.548 mas, bmaj=10.2 mas, bpa=-3.046 degrees ! Estimated noise=543.301 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000913444 Jy ! Component: 100 - total flux cleaned = 0.000966621 Jy ! Component: 150 - total flux cleaned = 0.00095859 Jy ! Component: 200 - total flux cleaned = 0.000950848 Jy ! Total flux subtracted in 200 components = 0.000950848 Jy ! Clean residual min=-0.002027 max=0.002595 Jy/beam ! Clean residual mean=0.000015 rms=0.000734 Jy/beam ! Combined flux in latest and established models = 0.243008 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 = -6.97362e-06 Jy ! Component: 100 - total flux cleaned = -6.74036e-06 Jy ! Component: 150 - total flux cleaned = -1.28774e-05 Jy ! Component: 200 - total flux cleaned = -1.8359e-05 Jy ! Total flux subtracted in 200 components = -1.8359e-05 Jy ! Clean residual min=-0.002016 max=0.002593 Jy/beam ! Clean residual mean=0.000016 rms=0.000732 Jy/beam ! Combined flux in latest and established models = 0.24299 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 37 components and 0.24299 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.08 mas, bmaj=6.125 mas, bpa=-6.573 degrees ! Estimated noise=403.655 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000312315 Jy ! Component: 100 - total flux cleaned = -0.000232702 Jy ! Component: 150 - total flux cleaned = -0.000245753 Jy ! Component: 200 - total flux cleaned = -0.000274776 Jy ! Total flux subtracted in 200 components = -0.000274776 Jy ! Clean residual min=-0.002362 max=0.001844 Jy/beam ! Clean residual mean=0.000009 rms=0.000492 Jy/beam ! Combined flux in latest and established models = 0.242715 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 44 components and 0.242715 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169355Jy sigma=0.001242 ! Fit after self-cal, rms=0.169354Jy sigma=0.001242 wmodel J1756+1535_S_2009_04_21_pus_map.mod ! Writing 44 model components to file: J1756+1535_S_2009_04_21_pus_map.mod wobs J1756+1535_S_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1756+1535_S_2009_04_21_pus_uvs.fits wwins J1756+1535_S_2009_04_21_pus_map.win ! wwins: Wrote 1 windows to J1756+1535_S_2009_04_21_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 = -0.000848436 Jy ! Component: 100 - total flux cleaned = -0.000988009 Jy ! Component: 150 - total flux cleaned = -0.00114496 Jy ! Component: 200 - total flux cleaned = -0.00117505 Jy ! Component: 250 - total flux cleaned = -0.00109151 Jy ! Component: 300 - total flux cleaned = -0.00114608 Jy ! Component: 350 - total flux cleaned = -0.00119891 Jy ! Component: 400 - total flux cleaned = -0.0012501 Jy ! Component: 450 - total flux cleaned = -0.00127535 Jy ! Component: 500 - total flux cleaned = -0.00125098 Jy ! Component: 550 - total flux cleaned = -0.0012509 Jy ! Component: 600 - total flux cleaned = -0.0011801 Jy ! Component: 650 - total flux cleaned = -0.00115724 Jy ! Component: 700 - total flux cleaned = -0.00111179 Jy ! Component: 750 - total flux cleaned = -0.0010894 Jy ! Component: 800 - total flux cleaned = -0.00104512 Jy ! Component: 850 - total flux cleaned = -0.00102331 Jy ! Component: 900 - total flux cleaned = -0.00100178 Jy ! Component: 950 - total flux cleaned = -0.000917117 Jy ! Component: 1000 - total flux cleaned = -0.000875422 Jy ! Component: 1050 - total flux cleaned = -0.000854677 Jy ! Component: 1100 - total flux cleaned = -0.000732294 Jy ! Component: 1150 - total flux cleaned = -0.00071241 Jy ! Component: 1200 - total flux cleaned = -0.00071233 Jy ! Component: 1250 - total flux cleaned = -0.000672936 Jy ! Component: 1300 - total flux cleaned = -0.000653555 Jy ! Component: 1350 - total flux cleaned = -0.000653285 Jy ! Component: 1400 - total flux cleaned = -0.000596016 Jy ! Component: 1450 - total flux cleaned = -0.000633597 Jy ! Component: 1500 - total flux cleaned = -0.000540051 Jy ! Component: 1550 - total flux cleaned = -0.000577191 Jy ! Component: 1600 - total flux cleaned = -0.000540174 Jy ! Component: 1650 - total flux cleaned = -0.000503776 Jy ! Component: 1700 - total flux cleaned = -0.000485723 Jy ! Component: 1750 - total flux cleaned = -0.000485803 Jy ! Component: 1800 - total flux cleaned = -0.00045046 Jy ! Component: 1850 - total flux cleaned = -0.000432988 Jy ! Component: 1900 - total flux cleaned = -0.000433101 Jy ! Component: 1950 - total flux cleaned = -0.00043312 Jy ! Component: 2000 - total flux cleaned = -0.00041572 Jy ! Total flux subtracted in 2048 components = -0.000381716 Jy ! Clean residual min=-0.000957 max=0.001195 Jy/beam ! Clean residual mean=0.000008 rms=0.000337 Jy/beam ! Combined flux in latest and established models = 0.242333 Jy keep ! Adding 146 model components to the UV plane model. ! The established model now contains 190 components and 0.242333 Jy ![Exited script file: muppet] wmap "J1756+1535_S_2009_04_21_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.08 x 6.125 at -6.573 degrees (North through East) ! Clean map min=-0.0021286 max=0.21428 Jy/beam ! Writing clean map to FITS file: J1756+1535_S_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.214279 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000337363 device "J1756+1535_S_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1756+1535_S_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.472323 0.472323 0.944645 1.88929 3.77858 7.55716 15.1143 30.2286 60.4573 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.214 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.08 x 6.125 at -6.573 degrees (North through East) ! Clean map min=-0.0021286 max=0.21428 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1756+1535_S_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1756+1535_S_2009_04_21_pus_map.gif/vgif' mapplot cln