! Started logfile: J0157+7442_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:43:43 2010 obs J0157+7442_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0157+7442_X_2008_04_02_pus_uva.fits ! AN table 1: 130 integrations on 120 of 120 possible baselines. ! AN table 2: 389 integrations on 120 of 120 possible baselines. ! AN table 3: 136 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.172036 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0157+7442 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2284 lines of history. ! ! Reading 54088 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 = 0.2 print "taper_size =",taper_size ! taper_size = 70 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 0.200x0.200 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 1593 telescope corrections were flagged in sub-array 1. ! A total of 4187 telescope corrections were flagged in sub-array 2. ! A total of 881 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1593 telescope corrections were flagged in sub-array 1. ! A total of 4187 telescope corrections were flagged in sub-array 2. ! A total of 881 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1593 telescope corrections were flagged in sub-array 1. ! A total of 4187 telescope corrections were flagged in sub-array 2. ! A total of 881 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1593 telescope corrections were flagged in sub-array 1. ! A total of 4187 telescope corrections were flagged in sub-array 2. ! A total of 881 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.924246Jy sigma=0.008440 ! Fit after self-cal, rms=0.852536Jy sigma=0.007818 ! 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=0.7328 mas, bmaj=1.25 mas, bpa=20.95 degrees ! Estimated noise=745.044 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 = 0.108542 Jy ! Component: 100 - total flux cleaned = 0.149748 Jy ! Total flux subtracted in 100 components = 0.149748 Jy ! Clean residual min=-0.013306 max=0.032105 Jy/beam ! Clean residual mean=-0.000014 rms=0.004412 Jy/beam ! Combined flux in latest and established models = 0.149748 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.149748 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184381Jy sigma=0.001700 ! Fit after self-cal, rms=0.184046Jy sigma=0.001696 ! Inverting map ! Added new window around map position (-4.6, 9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0339773 Jy ! Component: 100 - total flux cleaned = 0.0573211 Jy ! Total flux subtracted in 100 components = 0.0573211 Jy ! Clean residual min=-0.011625 max=0.026047 Jy/beam ! Clean residual mean=-0.000001 rms=0.003567 Jy/beam ! Combined flux in latest and established models = 0.20707 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 30 components and 0.20707 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173000Jy sigma=0.001577 ! Fit after self-cal, rms=0.170692Jy sigma=0.001550 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0271557 Jy ! Component: 100 - total flux cleaned = 0.0450076 Jy ! Total flux subtracted in 100 components = 0.0450076 Jy ! Clean residual min=-0.011277 max=0.017836 Jy/beam ! Clean residual mean=0.000009 rms=0.003056 Jy/beam ! Combined flux in latest and established models = 0.252077 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 37 components and 0.252077 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162986Jy sigma=0.001466 ! Fit after self-cal, rms=0.160805Jy sigma=0.001441 ! Inverting map ! Added new window around map position (-3.4, 9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0230889 Jy ! Component: 100 - total flux cleaned = 0.0384986 Jy ! Total flux subtracted in 100 components = 0.0384986 Jy ! Clean residual min=-0.010958 max=0.015675 Jy/beam ! Clean residual mean=0.000007 rms=0.002660 Jy/beam ! Combined flux in latest and established models = 0.290576 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 44 components and 0.290576 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154946Jy sigma=0.001376 ! Fit after self-cal, rms=0.153987Jy sigma=0.001364 ! Inverting map ! Added new window around map position (1.4, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0178975 Jy ! Component: 100 - total flux cleaned = 0.030332 Jy ! Total flux subtracted in 100 components = 0.030332 Jy ! Clean residual min=-0.009852 max=0.012442 Jy/beam ! Clean residual mean=0.000011 rms=0.002351 Jy/beam ! Combined flux in latest and established models = 0.320908 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 53 components and 0.320908 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150329Jy sigma=0.001324 ! Fit after self-cal, rms=0.150031Jy sigma=0.001320 ! 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=1.045 mas, bmaj=1.638 mas, bpa=19.73 degrees ! Estimated noise=333.062 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 = 0.0223541 Jy ! Component: 100 - total flux cleaned = 0.037853 Jy ! Component: 150 - total flux cleaned = 0.0495122 Jy ! Component: 200 - total flux cleaned = 0.0583771 Jy ! Total flux subtracted in 200 components = 0.0583771 Jy ! Clean residual min=-0.008667 max=0.012012 Jy/beam ! Clean residual mean=-0.000093 rms=0.002267 Jy/beam ! Combined flux in latest and established models = 0.379285 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 78 components and 0.379285 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146046Jy sigma=0.001275 ! Fit after self-cal, rms=0.145598Jy sigma=0.001270 ! Inverting map ! Added new window around map position (1.4, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.013143 Jy ! Component: 100 - total flux cleaned = 0.0210146 Jy ! Component: 150 - total flux cleaned = 0.0248868 Jy ! Component: 200 - total flux cleaned = 0.0282025 Jy ! Total flux subtracted in 200 components = 0.0282025 Jy ! Clean residual min=-0.006866 max=0.008500 Jy/beam ! Clean residual mean=-0.000055 rms=0.001706 Jy/beam ! Combined flux in latest and established models = 0.407487 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 97 components and 0.407487 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144112Jy sigma=0.001255 ! Fit after self-cal, rms=0.143842Jy sigma=0.001252 ! Inverting map ! Added new window around map position (0.2, 6.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00887581 Jy ! Component: 100 - total flux cleaned = 0.0118358 Jy ! Component: 150 - total flux cleaned = 0.0140784 Jy ! Component: 200 - total flux cleaned = 0.0160341 Jy ! Total flux subtracted in 200 components = 0.0160341 Jy ! Clean residual min=-0.005629 max=0.007016 Jy/beam ! Clean residual mean=-0.000035 rms=0.001417 Jy/beam ! Combined flux in latest and established models = 0.423521 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 109 components and 0.423521 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142959Jy sigma=0.001243 ! Fit after self-cal, rms=0.142815Jy sigma=0.001242 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 0.90 KP 1.04 LA 1.00* MK 1.07 ! NL 1.00* NY 1.00* ON 1.00* OV 0.97 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.96 HH 1.00* HN 0.97 ! KK 1.01 KP 0.98 LA 0.98 MK 1.00* ! NL 0.99 NY 1.00* ON 1.00* OV 1.04 ! PT 0.97 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.98 HH 1.00* HN 1.36 ! KK 1.00* KP 0.95 LA 0.97 MK 0.93 ! NL 1.03 NY 1.00* ON 1.00* OV 1.00 ! PT 0.94 SC 1.12 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 0.93 KP 0.99 LA 1.00* MK 1.06 ! NL 1.00* NY 1.00* ON 1.00* OV 0.98 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.99 HH 1.00* HN 0.98 ! KK 1.09 KP 0.94 LA 0.95 MK 1.00* ! NL 0.97 NY 1.00* ON 1.00* OV 0.99 ! PT 0.97 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.98 HH 1.00* HN 1.05 ! KK 1.00* KP 0.92 LA 0.94 MK 0.91 ! NL 1.01 NY 1.00* ON 1.00* OV 0.98 ! PT 0.96 SC 1.10 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.09 KP 1.06 LA 1.00* MK 0.97 ! NL 1.00* NY 1.00* ON 1.00* OV 1.02 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 1.01 HH 1.00* HN 1.02 ! KK 0.92 KP 1.00 LA 1.02 MK 1.00* ! NL 1.02 NY 1.00* ON 1.00* OV 1.05 ! PT 1.00 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.02 HH 1.00* HN 1.07 ! KK 1.00* KP 0.98 LA 1.01 MK 1.00 ! NL 1.08 NY 1.00* ON 1.00* OV 1.04 ! PT 0.97 SC 1.12 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.10 KP 1.12 LA 1.00* MK 0.94 ! NL 1.00* NY 1.00* ON 1.00* OV 0.98 ! PT 1.00* SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.02 HH 1.00* HN 1.04 ! KK 0.96 KP 1.03 LA 1.01 MK 1.00* ! NL 1.09 NY 1.00* ON 1.00* OV 1.06 ! PT 1.05 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.03 HH 1.00* HN 1.08 ! KK 1.00* KP 0.99 LA 0.99 MK 0.88 ! NL 1.06 NY 1.00* ON 1.00* OV 1.05 ! PT 0.97 SC 1.02 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.142815Jy sigma=0.001242 ! Fit after self-cal, rms=0.144441Jy sigma=0.001234 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.048 mas, bmaj=1.642 mas, bpa=20.24 degrees ! Estimated noise=334.057 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 = 0.00111662 Jy ! Component: 100 - total flux cleaned = 0.00144665 Jy ! Component: 150 - total flux cleaned = 0.00188829 Jy ! Component: 200 - total flux cleaned = 0.00256039 Jy ! Total flux subtracted in 200 components = 0.00256039 Jy ! Clean residual min=-0.005998 max=0.005531 Jy/beam ! Clean residual mean=-0.000017 rms=0.001177 Jy/beam ! Combined flux in latest and established models = 0.426082 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 119 components and 0.426082 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144052Jy sigma=0.001230 ! Fit after self-cal, rms=0.144018Jy sigma=0.001229 ! 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=0.144018Jy sigma=0.001229 ! Fit after self-cal, rms=0.141766Jy sigma=0.001228 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.019 mas, bmaj=1.677 mas, bpa=21.46 degrees ! Estimated noise=328.524 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000495244 Jy ! Component: 100 - total flux cleaned = 0.00125181 Jy ! Component: 150 - total flux cleaned = 0.00137217 Jy ! Component: 200 - total flux cleaned = 0.00160217 Jy ! Total flux subtracted in 200 components = 0.00160217 Jy ! Clean residual min=-0.005492 max=0.004729 Jy/beam ! Clean residual mean=-0.000017 rms=0.001083 Jy/beam ! Combined flux in latest and established models = 0.427684 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 131 components and 0.427684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141480Jy sigma=0.001226 ! Fit after self-cal, rms=0.141464Jy sigma=0.001225 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 = 0.000516757 Jy ! Component: 100 - total flux cleaned = 0.000512359 Jy ! Component: 150 - total flux cleaned = 0.000954585 Jy ! Component: 200 - total flux cleaned = 0.00136561 Jy ! Total flux subtracted in 200 components = 0.00136561 Jy ! Clean residual min=-0.005329 max=0.004649 Jy/beam ! Clean residual mean=-0.000015 rms=0.001057 Jy/beam ! Combined flux in latest and established models = 0.42905 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 134 components and 0.42905 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141265Jy sigma=0.001224 ! Fit after self-cal, rms=0.141235Jy sigma=0.001224 ! 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=0.141235Jy sigma=0.001224 ! Fit after self-cal, rms=0.139633Jy sigma=0.001223 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9969 mas, bmaj=1.687 mas, bpa=21.96 degrees ! Estimated noise=323.403 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000493314 Jy ! Component: 100 - total flux cleaned = 0.000834944 Jy ! Component: 150 - total flux cleaned = 0.00103757 Jy ! Component: 200 - total flux cleaned = 0.00132347 Jy ! Total flux subtracted in 200 components = 0.00132347 Jy ! Clean residual min=-0.005134 max=0.004359 Jy/beam ! Clean residual mean=-0.000012 rms=0.000993 Jy/beam ! Combined flux in latest and established models = 0.430373 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 142 components and 0.430373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139453Jy sigma=0.001222 ! Fit after self-cal, rms=0.139423Jy sigma=0.001221 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 = 2.99027e-05 Jy ! Component: 100 - total flux cleaned = -6.96247e-05 Jy ! Component: 150 - total flux cleaned = 0.000210379 Jy ! Component: 200 - total flux cleaned = 0.000383401 Jy ! Total flux subtracted in 200 components = 0.000383401 Jy ! Clean residual min=-0.004972 max=0.004356 Jy/beam ! Clean residual mean=-0.000012 rms=0.000974 Jy/beam ! Combined flux in latest and established models = 0.430756 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 146 components and 0.430756 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139282Jy sigma=0.001220 ! Fit after self-cal, rms=0.139267Jy sigma=0.001220 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.139267Jy sigma=0.001220 ! Fit after self-cal, rms=0.138186Jy sigma=0.001220 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.612 mas, bmaj=3.011 mas, bpa=10.84 degrees ! Estimated noise=397.159 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00224715 Jy ! Component: 100 - total flux cleaned = 0.00257566 Jy ! Component: 150 - total flux cleaned = 0.00287181 Jy ! Component: 200 - total flux cleaned = 0.00303526 Jy ! Total flux subtracted in 200 components = 0.00303526 Jy ! Clean residual min=-0.003375 max=0.003909 Jy/beam ! Clean residual mean=-0.000007 rms=0.000904 Jy/beam ! Combined flux in latest and established models = 0.433792 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 156 components and 0.433792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138171Jy sigma=0.001219 ! Fit after self-cal, rms=0.138187Jy sigma=0.001219 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 (5, -10.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00161041 Jy ! Component: 100 - total flux cleaned = 0.000849515 Jy ! Component: 150 - total flux cleaned = 0.000843028 Jy ! Component: 200 - total flux cleaned = 0.000979833 Jy ! Total flux subtracted in 200 components = 0.000979833 Jy ! Clean residual min=-0.002899 max=0.003003 Jy/beam ! Clean residual mean=-0.000004 rms=0.000794 Jy/beam ! Combined flux in latest and established models = 0.434771 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 178 components and 0.434771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138070Jy sigma=0.001218 ! Fit after self-cal, rms=0.138048Jy sigma=0.001218 ! 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=0.9813 mas, bmaj=1.69 mas, bpa=22.26 degrees ! Estimated noise=319.061 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9813 x 1.69 at 22.26 degrees (North through East) ! Clean map min=-0.0081796 max=0.12572 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=0.6946 mas, bmaj=1.325 mas, bpa=23.16 degrees ! Estimated noise=691.366 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.101224 Jy ! Component: 100 - total flux cleaned = 0.159786 Jy ! Component: 150 - total flux cleaned = 0.202515 Jy ! Component: 200 - total flux cleaned = 0.235509 Jy ! Total flux subtracted in 200 components = 0.235509 Jy ! Clean residual min=-0.011117 max=0.020347 Jy/beam ! Clean residual mean=-0.000028 rms=0.003324 Jy/beam ! Combined flux in latest and established models = 0.235509 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 27 model components to the UV plane model. ! The established model now contains 27 components and 0.235509 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9813 mas, bmaj=1.69 mas, bpa=22.26 degrees ! Estimated noise=319.061 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 = 0.0474401 Jy ! Component: 100 - total flux cleaned = 0.0796293 Jy ! Component: 150 - total flux cleaned = 0.103127 Jy ! Component: 200 - total flux cleaned = 0.121337 Jy ! Total flux subtracted in 200 components = 0.121337 Jy ! Clean residual min=-0.007076 max=0.012053 Jy/beam ! Clean residual mean=-0.000125 rms=0.002364 Jy/beam ! Combined flux in latest and established models = 0.356846 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 77 components and 0.356846 Jy ! Inverting map ! Added new window around map position (-1, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0147886 Jy ! Component: 100 - total flux cleaned = 0.0266729 Jy ! Component: 150 - total flux cleaned = 0.0363666 Jy ! Component: 200 - total flux cleaned = 0.0443575 Jy ! Total flux subtracted in 200 components = 0.0443575 Jy ! Clean residual min=-0.005524 max=0.007487 Jy/beam ! Clean residual mean=-0.000056 rms=0.001380 Jy/beam ! Combined flux in latest and established models = 0.401203 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 114 components and 0.401203 Jy ! Inverting map ! Added new window around map position (0.8, -3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00754843 Jy ! Component: 100 - total flux cleaned = 0.0116086 Jy ! Component: 150 - total flux cleaned = 0.0149965 Jy ! Component: 200 - total flux cleaned = 0.0180265 Jy ! Total flux subtracted in 200 components = 0.0180265 Jy ! Clean residual min=-0.005128 max=0.003989 Jy/beam ! Clean residual mean=-0.000030 rms=0.001053 Jy/beam ! Combined flux in latest and established models = 0.41923 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 141 components and 0.41923 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.612 mas, bmaj=3.011 mas, bpa=10.84 degrees ! Estimated noise=397.159 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00603345 Jy ! Component: 100 - total flux cleaned = 0.0102082 Jy ! Component: 150 - total flux cleaned = 0.0122983 Jy ! Component: 200 - total flux cleaned = 0.0132597 Jy ! Total flux subtracted in 200 components = 0.0132597 Jy ! Clean residual min=-0.003258 max=0.002936 Jy/beam ! Clean residual mean=-0.000012 rms=0.000861 Jy/beam ! Combined flux in latest and established models = 0.43249 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 = 0.000931765 Jy ! Component: 100 - total flux cleaned = 0.0014314 Jy ! Component: 150 - total flux cleaned = 0.00180911 Jy ! Component: 200 - total flux cleaned = 0.00194916 Jy ! Total flux subtracted in 200 components = 0.00194916 Jy ! Clean residual min=-0.003013 max=0.002601 Jy/beam ! Clean residual mean=-0.000003 rms=0.000766 Jy/beam ! Combined flux in latest and established models = 0.434439 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 187 components and 0.434439 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9813 mas, bmaj=1.69 mas, bpa=22.26 degrees ! Estimated noise=319.061 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00110233 Jy ! Component: 100 - total flux cleaned = -0.000847996 Jy ! Component: 150 - total flux cleaned = -0.000266405 Jy ! Component: 200 - total flux cleaned = 6.08062e-05 Jy ! Total flux subtracted in 200 components = 6.08062e-05 Jy ! Clean residual min=-0.004210 max=0.003234 Jy/beam ! Clean residual mean=-0.000002 rms=0.000798 Jy/beam ! Combined flux in latest and established models = 0.4345 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 212 components and 0.4345 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137702Jy sigma=0.001215 ! Fit after self-cal, rms=0.137412Jy sigma=0.001213 wmodel J0157+7442_X_2008_04_02_pus_map.mod ! Writing 212 model components to file: J0157+7442_X_2008_04_02_pus_map.mod wobs J0157+7442_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0157+7442_X_2008_04_02_pus_uvs.fits wwins J0157+7442_X_2008_04_02_pus_map.win ! wwins: Wrote 9 windows to J0157+7442_X_2008_04_02_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 = -0.00135187 Jy ! Component: 100 - total flux cleaned = -0.00214662 Jy ! Component: 150 - total flux cleaned = -0.00276161 Jy ! Component: 200 - total flux cleaned = -0.00299408 Jy ! Component: 250 - total flux cleaned = -0.00299533 Jy ! Component: 300 - total flux cleaned = -0.00289013 Jy ! Component: 350 - total flux cleaned = -0.00278915 Jy ! Component: 400 - total flux cleaned = -0.0026916 Jy ! Component: 450 - total flux cleaned = -0.00254845 Jy ! Component: 500 - total flux cleaned = -0.00222504 Jy ! Component: 550 - total flux cleaned = -0.00204538 Jy ! Component: 600 - total flux cleaned = -0.0019126 Jy ! Component: 650 - total flux cleaned = -0.00165417 Jy ! Component: 700 - total flux cleaned = -0.00156954 Jy ! Component: 750 - total flux cleaned = -0.00140434 Jy ! Component: 800 - total flux cleaned = -0.00124225 Jy ! Component: 850 - total flux cleaned = -0.00116257 Jy ! Component: 900 - total flux cleaned = -0.0010064 Jy ! Component: 950 - total flux cleaned = -0.00085412 Jy ! Component: 1000 - total flux cleaned = -0.000740779 Jy ! Component: 1050 - total flux cleaned = -0.000518713 Jy ! Component: 1100 - total flux cleaned = -0.000445932 Jy ! Component: 1150 - total flux cleaned = -0.000230574 Jy ! Component: 1200 - total flux cleaned = -8.90593e-05 Jy ! Component: 1250 - total flux cleaned = 0.000154735 Jy ! Component: 1300 - total flux cleaned = 0.000223392 Jy ! Component: 1350 - total flux cleaned = 0.000392701 Jy ! Component: 1400 - total flux cleaned = 0.000492789 Jy ! Component: 1450 - total flux cleaned = 0.000624291 Jy ! Component: 1500 - total flux cleaned = 0.000689026 Jy ! Component: 1550 - total flux cleaned = 0.000753124 Jy ! Component: 1600 - total flux cleaned = 0.000816929 Jy ! Component: 1650 - total flux cleaned = 0.000911686 Jy ! Component: 1700 - total flux cleaned = 0.00103656 Jy ! Component: 1750 - total flux cleaned = 0.00119059 Jy ! Component: 1800 - total flux cleaned = 0.00131209 Jy ! Component: 1850 - total flux cleaned = 0.00134185 Jy ! Component: 1900 - total flux cleaned = 0.00149098 Jy ! Component: 1950 - total flux cleaned = 0.00160885 Jy ! Component: 2000 - total flux cleaned = 0.00166743 Jy ! Total flux subtracted in 2048 components = 0.00184045 Jy ! Clean residual min=-0.001672 max=0.001439 Jy/beam ! Clean residual mean=-0.000001 rms=0.000513 Jy/beam ! Combined flux in latest and established models = 0.43634 Jy keep ! Adding 136 model components to the UV plane model. ! The established model now contains 345 components and 0.43634 Jy wmap "J0157+7442_X_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9813 x 1.69 at 22.26 degrees (North through East) ! Clean map min=-0.0046251 max=0.11797 Jy/beam ! Writing clean map to FITS file: J0157+7442_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.11797 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000513288 device "J0157+7442_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0157+7442_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.3053 1.3053 2.6106 5.22121 10.4424 20.8848 41.7697 83.5393 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.117 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9813 x 1.69 at 22.26 degrees (North through East) ! Clean map min=-0.0046251 max=0.11797 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0157+7442_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0157+7442_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0157+7442_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:43:58 2010