! Started logfile: J0203+1134_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:43:58 2010 obs J0203+1134_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J0203+1134_X_2008_04_02_pus_uva.fits ! AN table 1: 200 integrations on 120 of 120 possible baselines. ! AN table 2: 120 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0765365 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0203+1134 ! ! 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 11756 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 2387 telescope corrections were flagged in sub-array 1. ! A total of 1688 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2389 telescope corrections were flagged in sub-array 1. ! A total of 1688 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2387 telescope corrections were flagged in sub-array 1. ! A total of 1688 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2387 telescope corrections were flagged in sub-array 1. ! A total of 1688 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.673367Jy sigma=0.006085 ! Fit after self-cal, rms=0.507132Jy sigma=0.004571 ! 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=1.146 mas, bmaj=1.664 mas, bpa=-6.753 degrees ! Estimated noise=1121.51 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 = 0.384966 Jy ! Component: 100 - total flux cleaned = 0.503566 Jy ! Total flux subtracted in 100 components = 0.503566 Jy ! Clean residual min=-0.013750 max=0.048102 Jy/beam ! Clean residual mean=-0.000034 rms=0.004596 Jy/beam ! Combined flux in latest and established models = 0.503566 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.503567 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160915Jy sigma=0.001450 ! Fit after self-cal, rms=0.160286Jy sigma=0.001446 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0512259 Jy ! Component: 100 - total flux cleaned = 0.07631 Jy ! Total flux subtracted in 100 components = 0.07631 Jy ! Clean residual min=-0.008667 max=0.012814 Jy/beam ! Clean residual mean=-0.000006 rms=0.002480 Jy/beam ! Combined flux in latest and established models = 0.579876 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 25 components and 0.579876 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140898Jy sigma=0.001229 ! Fit after self-cal, rms=0.140610Jy sigma=0.001227 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0170015 Jy ! Component: 100 - total flux cleaned = 0.0267297 Jy ! Total flux subtracted in 100 components = 0.0267297 Jy ! Clean residual min=-0.008014 max=0.008625 Jy/beam ! Clean residual mean=0.000004 rms=0.002080 Jy/beam ! Combined flux in latest and established models = 0.606606 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 28 components and 0.606606 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138637Jy sigma=0.001205 ! Fit after self-cal, rms=0.138495Jy sigma=0.001204 ! 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=1.6 mas, bmaj=2.208 mas, bpa=-10.4 degrees ! Estimated noise=720.946 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 = 0.00513837 Jy ! Component: 100 - total flux cleaned = 0.00554222 Jy ! Component: 150 - total flux cleaned = 0.00554468 Jy ! Component: 200 - total flux cleaned = 0.00554286 Jy ! Total flux subtracted in 200 components = 0.00554286 Jy ! Clean residual min=-0.006295 max=0.005035 Jy/beam ! Clean residual mean=-0.000008 rms=0.001406 Jy/beam ! Combined flux in latest and established models = 0.612149 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 34 components and 0.612149 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138254Jy sigma=0.001201 ! Fit after self-cal, rms=0.138200Jy sigma=0.001201 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 93 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HH 1.00* HN 0.99 ! KK 0.99 KP 1.02 LA 1.00 MK 0.97 ! NL 1.02 NY 1.00* ON 1.00* OV 1.02 ! PT 1.00 SC 1.00 WZ 1.00* ZC 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.01 HH 1.00* HN 1.00 ! KK 1.00 KP 0.98 LA 0.97 MK 1.00* ! NL 0.95 NY 1.15 ON 1.00* OV 1.00 ! PT 0.95 SC 1.05 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 93 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HH 1.00* HN 0.98 ! KK 0.99 KP 0.98 LA 0.96 MK 1.00 ! NL 0.99 NY 1.00* ON 1.00* OV 1.00 ! PT 0.99 SC 1.01 WZ 1.00* ZC 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.96 HH 1.00* HN 1.02 ! KK 0.97 KP 0.97 LA 0.98 MK 1.00* ! NL 0.89 NY 0.98 ON 1.00* OV 0.98 ! PT 0.97 SC 1.08 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 93 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HH 1.00* HN 1.01 ! KK 1.06 KP 1.01 LA 1.01 MK 1.05 ! NL 1.02 NY 1.00* ON 1.00* OV 1.07 ! PT 0.99 SC 1.00 WZ 1.00* ZC 1.00* ! ! A total of 36 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 1.00 ! KK 1.20 KP 0.99 LA 1.00 MK 1.00* ! NL 0.94 NY 0.90 ON 1.00* OV 1.03 ! PT 0.98 SC 1.04 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 93 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HH 1.00* HN 1.01 ! KK 1.01 KP 1.01 LA 1.02 MK 1.06 ! NL 1.03 NY 1.00* ON 1.00* OV 1.03 ! PT 1.00 SC 1.03 WZ 1.00* ZC 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.02 HH 1.00* HN 1.03 ! KK 1.06 KP 0.99 LA 1.00 MK 1.00* ! NL 0.95 NY 2.06 ON 1.00* OV 1.02 ! PT 0.95 SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.138200Jy sigma=0.001201 ! Fit after self-cal, rms=0.141669Jy sigma=0.001187 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.689 mas, bmaj=2.267 mas, bpa=-9.857 degrees ! Estimated noise=738.311 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 = 0.000260795 Jy ! Component: 100 - total flux cleaned = 6.00698e-05 Jy ! Component: 150 - total flux cleaned = -0.0001717 Jy ! Component: 200 - total flux cleaned = -0.000304646 Jy ! Total flux subtracted in 200 components = -0.000304646 Jy ! Clean residual min=-0.005115 max=0.004000 Jy/beam ! Clean residual mean=0.000015 rms=0.001186 Jy/beam ! Combined flux in latest and established models = 0.611844 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 39 components and 0.611844 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141544Jy sigma=0.001186 ! Fit after self-cal, rms=0.141597Jy sigma=0.001186 ! 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=0.141597Jy sigma=0.001186 ! Fit after self-cal, rms=0.141328Jy sigma=0.001180 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.691 mas, bmaj=2.27 mas, bpa=-9.843 degrees ! Estimated noise=737.012 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000846715 Jy ! Component: 100 - total flux cleaned = -0.00101019 Jy ! Component: 150 - total flux cleaned = -0.00113238 Jy ! Component: 200 - total flux cleaned = -0.00107497 Jy ! Total flux subtracted in 200 components = -0.00107497 Jy ! Clean residual min=-0.004008 max=0.003575 Jy/beam ! Clean residual mean=0.000008 rms=0.001050 Jy/beam ! Combined flux in latest and established models = 0.610769 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 42 components and 0.610769 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141246Jy sigma=0.001179 ! Fit after self-cal, rms=0.141233Jy sigma=0.001179 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 = -4.6862e-05 Jy ! Component: 100 - total flux cleaned = -4.42077e-05 Jy ! Component: 150 - total flux cleaned = -4.58775e-05 Jy ! Component: 200 - total flux cleaned = -4.53951e-05 Jy ! Total flux subtracted in 200 components = -4.53951e-05 Jy ! Clean residual min=-0.003942 max=0.003503 Jy/beam ! Clean residual mean=0.000008 rms=0.001034 Jy/beam ! Combined flux in latest and established models = 0.610724 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 45 components and 0.610724 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141184Jy sigma=0.001179 ! Fit after self-cal, rms=0.141157Jy sigma=0.001179 ! 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=0.141157Jy sigma=0.001179 ! Fit after self-cal, rms=0.140952Jy sigma=0.001172 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.691 mas, bmaj=2.271 mas, bpa=-10.07 degrees ! Estimated noise=736.923 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000579714 Jy ! Component: 100 - total flux cleaned = 0.000629388 Jy ! Component: 150 - total flux cleaned = 0.000727337 Jy ! Component: 200 - total flux cleaned = 0.000772839 Jy ! Total flux subtracted in 200 components = 0.000772839 Jy ! Clean residual min=-0.003135 max=0.003216 Jy/beam ! Clean residual mean=0.000004 rms=0.000871 Jy/beam ! Combined flux in latest and established models = 0.611497 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 50 components and 0.611497 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140905Jy sigma=0.001172 ! Fit after self-cal, rms=0.140894Jy sigma=0.001172 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 = -7.79485e-05 Jy ! Component: 100 - total flux cleaned = -2.90196e-05 Jy ! Component: 150 - total flux cleaned = 1.44111e-05 Jy ! Component: 200 - total flux cleaned = 1.07743e-05 Jy ! Total flux subtracted in 200 components = 1.07743e-05 Jy ! Clean residual min=-0.003094 max=0.003179 Jy/beam ! Clean residual mean=0.000004 rms=0.000857 Jy/beam ! Combined flux in latest and established models = 0.611508 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 50 components and 0.611508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140857Jy sigma=0.001172 ! Fit after self-cal, rms=0.140837Jy sigma=0.001172 ! 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=0.140837Jy sigma=0.001172 ! Fit after self-cal, rms=0.140827Jy sigma=0.001171 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.756 mas, bmaj=3.503 mas, bpa=-36.27 degrees ! Estimated noise=796.816 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000454343 Jy ! Component: 100 - total flux cleaned = 0.000450841 Jy ! Component: 150 - total flux cleaned = 0.00044662 Jy ! Component: 200 - total flux cleaned = 0.000415025 Jy ! Total flux subtracted in 200 components = 0.000415025 Jy ! Clean residual min=-0.002529 max=0.002367 Jy/beam ! Clean residual mean=0.000003 rms=0.000793 Jy/beam ! Combined flux in latest and established models = 0.611923 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 55 components and 0.611923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140812Jy sigma=0.001171 ! Fit after self-cal, rms=0.140777Jy sigma=0.001171 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 = -8.27685e-05 Jy ! Component: 100 - total flux cleaned = -8.06991e-05 Jy ! Component: 150 - total flux cleaned = -8.02463e-05 Jy ! Component: 200 - total flux cleaned = -7.8612e-05 Jy ! Total flux subtracted in 200 components = -7.8612e-05 Jy ! Clean residual min=-0.002480 max=0.002347 Jy/beam ! Clean residual mean=0.000003 rms=0.000782 Jy/beam ! Combined flux in latest and established models = 0.611844 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 56 components and 0.611844 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140767Jy sigma=0.001171 ! Fit after self-cal, rms=0.140740Jy sigma=0.001171 ! 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=1.691 mas, bmaj=2.272 mas, bpa=-10.2 degrees ! Estimated noise=736.944 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.691 x 2.272 at -10.2 degrees (North through East) ! Clean map min=-0.0028606 max=0.50369 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=0.140740Jy sigma=0.001171 ! Fit after self-cal, rms=0.206741Jy sigma=0.001052 ! Inverting map and beam ! Estimated beam: bmin=1.691 mas, bmaj=2.274 mas, bpa=-10.18 degrees ! Estimated noise=737.725 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000354963 Jy ! Component: 100 - total flux cleaned = 0.000354144 Jy ! Component: 150 - total flux cleaned = 0.000431806 Jy ! Component: 200 - total flux cleaned = 0.000466741 Jy ! Total flux subtracted in 200 components = 0.000466741 Jy ! Clean residual min=-0.002905 max=0.003191 Jy/beam ! Clean residual mean=0.000001 rms=0.000808 Jy/beam ! Combined flux in latest and established models = 0.612311 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 58 components and 0.612311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206713Jy sigma=0.001052 ! Fit after self-cal, rms=0.206699Jy sigma=0.001052 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.516e-06 Jy ! Component: 100 - total flux cleaned = 4.48977e-05 Jy ! Component: 150 - total flux cleaned = 4.46362e-05 Jy ! Component: 200 - total flux cleaned = 7.83527e-05 Jy ! Total flux subtracted in 200 components = 7.83527e-05 Jy ! Clean residual min=-0.002888 max=0.003178 Jy/beam ! Clean residual mean=0.000001 rms=0.000800 Jy/beam ! Combined flux in latest and established models = 0.612389 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 60 components and 0.612389 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206678Jy sigma=0.001052 ! Fit after self-cal, rms=0.206662Jy sigma=0.001052 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206662Jy sigma=0.001052 ! Fit after self-cal, rms=0.188452Jy sigma=0.001052 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=1.214 mas, bmaj=1.724 mas, bpa=-10.78 degrees ! Estimated noise=1162.76 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.392104 Jy ! Component: 100 - total flux cleaned = 0.514583 Jy ! Component: 150 - total flux cleaned = 0.56027 Jy ! Component: 200 - total flux cleaned = 0.582561 Jy ! Total flux subtracted in 200 components = 0.582561 Jy ! Clean residual min=-0.007716 max=0.011147 Jy/beam ! Clean residual mean=-0.000008 rms=0.001896 Jy/beam ! Combined flux in latest and established models = 0.582561 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 0.582561 Jy ! Inverting map and beam ! Estimated beam: bmin=1.691 mas, bmaj=2.274 mas, bpa=-10.28 degrees ! Estimated noise=737.766 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) ! Added new window around map position (-1.2, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.016606 Jy ! Component: 100 - total flux cleaned = 0.0247574 Jy ! Component: 150 - total flux cleaned = 0.0290553 Jy ! Component: 200 - total flux cleaned = 0.0298397 Jy ! Total flux subtracted in 200 components = 0.0298397 Jy ! Clean residual min=-0.002764 max=0.003101 Jy/beam ! Clean residual mean=-0.000000 rms=0.000823 Jy/beam ! Combined flux in latest and established models = 0.6124 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 50 components and 0.612401 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=2.755 mas, bmaj=3.503 mas, bpa=-36.33 degrees ! Estimated noise=797.66 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000695358 Jy ! Component: 100 - total flux cleaned = 0.000642021 Jy ! Component: 150 - total flux cleaned = 0.000495666 Jy ! Component: 200 - total flux cleaned = 0.00040937 Jy ! Total flux subtracted in 200 components = 0.00040937 Jy ! Clean residual min=-0.002410 max=0.002458 Jy/beam ! Clean residual mean=0.000001 rms=0.000765 Jy/beam ! Combined flux in latest and established models = 0.61281 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 = -0.000114786 Jy ! Component: 100 - total flux cleaned = -0.000183932 Jy ! Component: 150 - total flux cleaned = -0.00027799 Jy ! Component: 200 - total flux cleaned = -0.000334851 Jy ! Total flux subtracted in 200 components = -0.000334851 Jy ! Clean residual min=-0.002396 max=0.002409 Jy/beam ! Clean residual mean=-0.000001 rms=0.000760 Jy/beam ! Combined flux in latest and established models = 0.612475 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 79 components and 0.612475 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.691 mas, bmaj=2.274 mas, bpa=-10.28 degrees ! Estimated noise=737.766 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000303294 Jy ! Component: 100 - total flux cleaned = 0.000303648 Jy ! Component: 150 - total flux cleaned = 0.000245972 Jy ! Component: 200 - total flux cleaned = 0.000139343 Jy ! Total flux subtracted in 200 components = 0.000139343 Jy ! Clean residual min=-0.002839 max=0.003071 Jy/beam ! Clean residual mean=0.000001 rms=0.000785 Jy/beam ! Combined flux in latest and established models = 0.612615 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 90 components and 0.612615 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188490Jy sigma=0.001051 ! Fit after self-cal, rms=0.188366Jy sigma=0.001051 wmodel J0203+1134_X_2008_04_02_pus_map.mod ! Writing 90 model components to file: J0203+1134_X_2008_04_02_pus_map.mod wobs J0203+1134_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J0203+1134_X_2008_04_02_pus_uvs.fits wwins J0203+1134_X_2008_04_02_pus_map.win ! wwins: Wrote 2 windows to J0203+1134_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 = 0.00137728 Jy ! Component: 100 - total flux cleaned = 0.00182505 Jy ! Component: 150 - total flux cleaned = 0.00173452 Jy ! Component: 200 - total flux cleaned = 0.00177808 Jy ! Component: 250 - total flux cleaned = 0.00169243 Jy ! Component: 300 - total flux cleaned = 0.00156689 Jy ! Component: 350 - total flux cleaned = 0.00148495 Jy ! Component: 400 - total flux cleaned = 0.00128437 Jy ! Component: 450 - total flux cleaned = 0.00104893 Jy ! Component: 500 - total flux cleaned = 0.000856377 Jy ! Component: 550 - total flux cleaned = 0.000591634 Jy ! Component: 600 - total flux cleaned = 0.000295599 Jy ! Component: 650 - total flux cleaned = 0.00018677 Jy ! Component: 700 - total flux cleaned = -6.38834e-05 Jy ! Component: 750 - total flux cleaned = -0.00031186 Jy ! Component: 800 - total flux cleaned = -0.000591245 Jy ! Component: 850 - total flux cleaned = -0.000832915 Jy ! Component: 900 - total flux cleaned = -0.00110557 Jy ! Component: 950 - total flux cleaned = -0.00120678 Jy ! Component: 1000 - total flux cleaned = -0.00127366 Jy ! Component: 1050 - total flux cleaned = -0.00147276 Jy ! Component: 1100 - total flux cleaned = -0.00166993 Jy ! Component: 1150 - total flux cleaned = -0.00176736 Jy ! Component: 1200 - total flux cleaned = -0.00196075 Jy ! Component: 1250 - total flux cleaned = -0.0021837 Jy ! Component: 1300 - total flux cleaned = -0.00224647 Jy ! Component: 1350 - total flux cleaned = -0.00234036 Jy ! Component: 1400 - total flux cleaned = -0.0025266 Jy ! Component: 1450 - total flux cleaned = -0.00261901 Jy ! Component: 1500 - total flux cleaned = -0.0028022 Jy ! Component: 1550 - total flux cleaned = -0.00283285 Jy ! Component: 1600 - total flux cleaned = -0.00295278 Jy ! Component: 1650 - total flux cleaned = -0.00298229 Jy ! Component: 1700 - total flux cleaned = -0.00295252 Jy ! Component: 1750 - total flux cleaned = -0.00298165 Jy ! Component: 1800 - total flux cleaned = -0.00295221 Jy ! Component: 1850 - total flux cleaned = -0.00303896 Jy ! Component: 1900 - total flux cleaned = -0.00309659 Jy ! Component: 1950 - total flux cleaned = -0.00295405 Jy ! Component: 2000 - total flux cleaned = -0.00286926 Jy ! Total flux subtracted in 2048 components = -0.00289732 Jy ! Clean residual min=-0.001660 max=0.001615 Jy/beam ! Clean residual mean=0.000003 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.609717 Jy keep ! Adding 134 model components to the UV plane model. ! The established model now contains 224 components and 0.609717 Jy wmap "J0203+1134_X_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.691 x 2.274 at -10.28 degrees (North through East) ! Clean map min=-0.0023571 max=0.50369 Jy/beam ! Writing clean map to FITS file: J0203+1134_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 0.503691 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00055662 device "J0203+1134_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J0203+1134_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.331525 0.331525 0.66305 1.3261 2.6522 5.3044 10.6088 21.2176 42.4352 84.8704 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.503 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.691 x 2.274 at -10.28 degrees (North through East) ! Clean map min=-0.0023571 max=0.50369 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0203+1134_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J0203+1134_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0203+1134_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:44:03 2010