! Started logfile: J2002+4725_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:53:30 2010 obs J2002+4725_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J2002+4725_X_2008_04_02_pus_uva.fits ! AN table 1: 152 integrations on 120 of 120 possible baselines. ! AN table 2: 167 integrations on 120 of 120 possible baselines. ! AN table 3: 121 integrations on 120 of 120 possible baselines. ! AN table 4: 73 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.154581 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2002+4725 ! ! 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 38064 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 1875 telescope corrections were flagged in sub-array 1. ! A total of 1466 telescope corrections were flagged in sub-array 2. ! A total of 1576 telescope corrections were flagged in sub-array 3. ! A total of 570 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1875 telescope corrections were flagged in sub-array 1. ! A total of 1466 telescope corrections were flagged in sub-array 2. ! A total of 1576 telescope corrections were flagged in sub-array 3. ! A total of 571 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1875 telescope corrections were flagged in sub-array 1. ! A total of 1466 telescope corrections were flagged in sub-array 2. ! A total of 1576 telescope corrections were flagged in sub-array 3. ! A total of 570 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1875 telescope corrections were flagged in sub-array 1. ! A total of 1466 telescope corrections were flagged in sub-array 2. ! A total of 1576 telescope corrections were flagged in sub-array 3. ! A total of 570 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.677014Jy sigma=0.005954 ! Fit after self-cal, rms=0.363276Jy sigma=0.002884 ! 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=0.8468 mas, bmaj=1.118 mas, bpa=-45.52 degrees ! Estimated noise=1043.96 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 = 0.535359 Jy ! Component: 100 - total flux cleaned = 0.660262 Jy ! Total flux subtracted in 100 components = 0.660262 Jy ! Clean residual min=-0.014342 max=0.046394 Jy/beam ! Clean residual mean=0.000068 rms=0.004550 Jy/beam ! Combined flux in latest and established models = 0.660262 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.660262 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194927Jy sigma=0.001424 ! Fit after self-cal, rms=0.194949Jy sigma=0.001424 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0480402 Jy ! Component: 100 - total flux cleaned = 0.0745323 Jy ! Total flux subtracted in 100 components = 0.0745323 Jy ! Clean residual min=-0.009839 max=0.013466 Jy/beam ! Clean residual mean=0.000015 rms=0.002714 Jy/beam ! Combined flux in latest and established models = 0.734794 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 17 components and 0.734795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182117Jy sigma=0.001252 ! Fit after self-cal, rms=0.182083Jy sigma=0.001252 ! 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=1.131 mas, bmaj=1.4 mas, bpa=-52.06 degrees ! Estimated noise=419.788 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 = 0.014486 Jy ! Component: 100 - total flux cleaned = 0.0208867 Jy ! Component: 150 - total flux cleaned = 0.0228471 Jy ! Component: 200 - total flux cleaned = 0.0232663 Jy ! Total flux subtracted in 200 components = 0.0232663 Jy ! Clean residual min=-0.009720 max=0.007946 Jy/beam ! Clean residual mean=-0.000143 rms=0.002100 Jy/beam ! Combined flux in latest and established models = 0.758061 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 29 components and 0.758061 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181098Jy sigma=0.001238 ! Fit after self-cal, rms=0.181085Jy sigma=0.001238 ! 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 0.92 FD 0.99 HH 1.00* HN 1.00* ! KK 0.99 KP 1.00 LA 0.98 MK 1.00 ! NL 0.94 NY 1.00* ON 1.00* OV 0.97 ! PT 0.97 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 165 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.01 HH 1.00* HN 1.02 ! KK 1.00* KP 1.03 LA 1.01 MK 1.00* ! NL 1.00 NY 1.04 ON 1.00* OV 1.02 ! PT 1.04 SC 0.97 WZ 1.00* ZC 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.94 FD 1.01 HH 1.00* HN 1.00* ! KK 0.96 KP 1.02 LA 1.01 MK 0.97 ! NL 1.00 NY 1.00* ON 1.00* OV 1.00 ! PT 1.01 SC 1.00* 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 0.92 FD 0.97 HH 1.00* HN 1.00* ! KK 1.00 KP 0.96 LA 0.95 MK 1.00 ! NL 0.91 NY 1.00* ON 1.00* OV 0.95 ! PT 0.96 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 165 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00 HH 1.00* HN 1.01 ! KK 1.00* KP 0.99 LA 0.99 MK 1.00* ! NL 0.97 NY 1.05 ON 1.00* OV 1.00 ! PT 1.02 SC 0.98 WZ 1.00* ZC 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.95 FD 1.01 HH 1.00* HN 1.00* ! KK 0.97 KP 0.97 LA 1.00 MK 0.97 ! NL 0.98 NY 1.00* ON 1.00* OV 0.98 ! PT 1.00 SC 1.00* 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 0.98 FD 0.99 HH 1.00* HN 1.00* ! KK 1.07 KP 1.00 LA 1.00 MK 1.02 ! NL 0.94 NY 1.00* ON 1.00* OV 1.00 ! PT 0.96 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 165 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.02 HH 1.00* HN 1.03 ! KK 1.00* KP 1.02 LA 1.04 MK 1.00* ! NL 1.00 NY 1.03 ON 1.00* OV 1.05 ! PT 1.04 SC 1.01 WZ 1.00* ZC 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 1.03 HH 1.00* HN 1.00* ! KK 1.02 KP 1.01 LA 1.04 MK 1.01 ! NL 0.99 NY 1.00* ON 1.00* OV 1.02 ! PT 1.01 SC 1.00* 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 0.98 FD 0.98 HH 1.00* HN 1.00* ! KK 1.04 KP 0.99 LA 0.98 MK 1.07 ! NL 0.97 NY 1.00* ON 1.00* OV 0.99 ! PT 0.96 SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 165 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 HH 1.00* HN 1.04 ! KK 1.00* KP 1.02 LA 1.03 MK 1.00* ! NL 1.01 NY 1.09 ON 1.00* OV 1.04 ! PT 1.04 SC 1.03 WZ 1.00* ZC 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* WZ 0.00* ZC 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.95 FD 1.02 HH 1.00* HN 1.00* ! KK 0.99 KP 1.01 LA 1.03 MK 1.02 ! NL 1.02 NY 1.00* ON 1.00* OV 1.01 ! PT 1.02 SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.181085Jy sigma=0.001238 ! Fit after self-cal, rms=0.170188Jy sigma=0.001203 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.147 mas, bmaj=1.389 mas, bpa=-53.02 degrees ! Estimated noise=420.869 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 = 0.000913882 Jy ! Component: 100 - total flux cleaned = 0.000882715 Jy ! Component: 150 - total flux cleaned = 0.00085663 Jy ! Component: 200 - total flux cleaned = 0.000831232 Jy ! Total flux subtracted in 200 components = 0.000831232 Jy ! Clean residual min=-0.001994 max=0.002103 Jy/beam ! Clean residual mean=0.000020 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 0.758892 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 35 components and 0.758892 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170169Jy sigma=0.001203 ! Fit after self-cal, rms=0.170192Jy sigma=0.001203 ! 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=0.170192Jy sigma=0.001203 ! Fit after self-cal, rms=0.170035Jy sigma=0.001203 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.147 mas, bmaj=1.388 mas, bpa=-52.94 degrees ! Estimated noise=421.043 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000775676 Jy ! Component: 100 - total flux cleaned = 0.000773584 Jy ! Component: 150 - total flux cleaned = 0.000748754 Jy ! Component: 200 - total flux cleaned = 0.000725572 Jy ! Total flux subtracted in 200 components = 0.000725572 Jy ! Clean residual min=-0.001937 max=0.002047 Jy/beam ! Clean residual mean=0.000020 rms=0.000522 Jy/beam ! Combined flux in latest and established models = 0.759618 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 35 components and 0.759618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170022Jy sigma=0.001203 ! Fit after self-cal, rms=0.170018Jy sigma=0.001203 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 = -5.58839e-08 Jy ! Component: 100 - total flux cleaned = -4.7161e-05 Jy ! Component: 150 - total flux cleaned = -6.72431e-05 Jy ! Component: 200 - total flux cleaned = -8.64651e-05 Jy ! Total flux subtracted in 200 components = -8.64651e-05 Jy ! Clean residual min=-0.001921 max=0.002026 Jy/beam ! Clean residual mean=0.000020 rms=0.000519 Jy/beam ! Combined flux in latest and established models = 0.759531 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 35 components and 0.759531 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170010Jy sigma=0.001203 ! Fit after self-cal, rms=0.170008Jy sigma=0.001203 ! 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=0.170008Jy sigma=0.001203 ! Fit after self-cal, rms=0.169786Jy sigma=0.001203 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.146 mas, bmaj=1.387 mas, bpa=-52.82 degrees ! Estimated noise=421.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000699917 Jy ! Component: 100 - total flux cleaned = 0.000720151 Jy ! Component: 150 - total flux cleaned = 0.000700103 Jy ! Component: 200 - total flux cleaned = 0.000662605 Jy ! Total flux subtracted in 200 components = 0.000662605 Jy ! Clean residual min=-0.001882 max=0.001985 Jy/beam ! Clean residual mean=0.000020 rms=0.000515 Jy/beam ! Combined flux in latest and established models = 0.760194 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 35 components and 0.760194 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169777Jy sigma=0.001203 ! Fit after self-cal, rms=0.169775Jy sigma=0.001203 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 = -1.97615e-05 Jy ! Component: 100 - total flux cleaned = -3.73898e-05 Jy ! Component: 150 - total flux cleaned = -5.4255e-05 Jy ! Component: 200 - total flux cleaned = -5.39812e-05 Jy ! Total flux subtracted in 200 components = -5.39812e-05 Jy ! Clean residual min=-0.001876 max=0.001969 Jy/beam ! Clean residual mean=0.000020 rms=0.000513 Jy/beam ! Combined flux in latest and established models = 0.76014 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 35 components and 0.76014 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169770Jy sigma=0.001203 ! Fit after self-cal, rms=0.169769Jy sigma=0.001203 ! 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=0.169769Jy sigma=0.001203 ! Fit after self-cal, rms=0.169529Jy sigma=0.001203 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.603 mas, bmaj=3.181 mas, bpa=82.93 degrees ! Estimated noise=492.02 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000540605 Jy ! Component: 100 - total flux cleaned = 0.000539206 Jy ! Component: 150 - total flux cleaned = 0.000538607 Jy ! Component: 200 - total flux cleaned = 0.000544281 Jy ! Total flux subtracted in 200 components = 0.000544281 Jy ! Clean residual min=-0.001696 max=0.002135 Jy/beam ! Clean residual mean=0.000040 rms=0.000535 Jy/beam ! Combined flux in latest and established models = 0.760684 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 38 components and 0.760684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169527Jy sigma=0.001203 ! Fit after self-cal, rms=0.169525Jy sigma=0.001203 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 = 2.39986e-05 Jy ! Component: 100 - total flux cleaned = 2.28883e-05 Jy ! Component: 150 - total flux cleaned = 1.62054e-05 Jy ! Component: 200 - total flux cleaned = 1.64468e-05 Jy ! Total flux subtracted in 200 components = 1.64468e-05 Jy ! Clean residual min=-0.001695 max=0.002136 Jy/beam ! Clean residual mean=0.000040 rms=0.000536 Jy/beam ! Combined flux in latest and established models = 0.760701 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 41 components and 0.760701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169525Jy sigma=0.001203 ! Fit after self-cal, rms=0.169524Jy sigma=0.001203 ! 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=1.146 mas, bmaj=1.387 mas, bpa=-52.68 degrees ! Estimated noise=421.351 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.146 x 1.387 at -52.68 degrees (North through East) ! Clean map min=-0.0016524 max=0.70113 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=0.169524Jy sigma=0.001203 ! Fit after self-cal, rms=0.164778Jy sigma=0.001113 ! Inverting map and beam ! Estimated beam: bmin=1.145 mas, bmaj=1.387 mas, bpa=-52.7 degrees ! Estimated noise=421.353 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000386685 Jy ! Component: 100 - total flux cleaned = 0.000387612 Jy ! Component: 150 - total flux cleaned = 0.000354517 Jy ! Component: 200 - total flux cleaned = 0.000338807 Jy ! Total flux subtracted in 200 components = 0.000338807 Jy ! Clean residual min=-0.001724 max=0.001965 Jy/beam ! Clean residual mean=0.000024 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.761039 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 45 components and 0.761039 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164772Jy sigma=0.001113 ! Fit after self-cal, rms=0.164773Jy sigma=0.001113 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.11629e-05 Jy ! Component: 100 - total flux cleaned = -1.05141e-05 Jy ! Component: 150 - total flux cleaned = -2.62184e-05 Jy ! Component: 200 - total flux cleaned = -4.06211e-05 Jy ! Total flux subtracted in 200 components = -4.06211e-05 Jy ! Clean residual min=-0.001719 max=0.001963 Jy/beam ! Clean residual mean=0.000024 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.760999 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 45 components and 0.760999 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164768Jy sigma=0.001113 ! Fit after self-cal, rms=0.164769Jy sigma=0.001113 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164769Jy sigma=0.001113 ! Fit after self-cal, rms=0.164536Jy sigma=0.001113 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=0.8597 mas, bmaj=1.1 mas, bpa=-45.35 degrees ! Estimated noise=1050.28 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.530097 Jy ! Component: 100 - total flux cleaned = 0.654336 Jy ! Component: 150 - total flux cleaned = 0.700275 Jy ! Component: 200 - total flux cleaned = 0.725387 Jy ! Total flux subtracted in 200 components = 0.725387 Jy ! Clean residual min=-0.006687 max=0.012505 Jy/beam ! Clean residual mean=0.000034 rms=0.001822 Jy/beam ! Combined flux in latest and established models = 0.725387 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.725387 Jy ! Inverting map and beam ! Estimated beam: bmin=1.145 mas, bmaj=1.386 mas, bpa=-52.55 degrees ! Estimated noise=421.417 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 = 0.0204607 Jy ! Component: 100 - total flux cleaned = 0.0292405 Jy ! Component: 150 - total flux cleaned = 0.0331591 Jy ! Component: 200 - total flux cleaned = 0.035003 Jy ! Total flux subtracted in 200 components = 0.035003 Jy ! Clean residual min=-0.001830 max=0.002016 Jy/beam ! Clean residual mean=0.000028 rms=0.000504 Jy/beam ! Combined flux in latest and established models = 0.76039 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 24 components and 0.76039 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=2.603 mas, bmaj=3.18 mas, bpa=83 degrees ! Estimated noise=492.366 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000760812 Jy ! Component: 100 - total flux cleaned = 0.000811688 Jy ! Component: 150 - total flux cleaned = 0.000852334 Jy ! Component: 200 - total flux cleaned = 0.000900108 Jy ! Total flux subtracted in 200 components = 0.000900108 Jy ! Clean residual min=-0.001598 max=0.001982 Jy/beam ! Clean residual mean=0.000047 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.76129 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 = 2.52713e-05 Jy ! Component: 100 - total flux cleaned = 4.67159e-05 Jy ! Component: 150 - total flux cleaned = 5.63852e-05 Jy ! Component: 200 - total flux cleaned = 7.31888e-05 Jy ! Total flux subtracted in 200 components = 7.31888e-05 Jy ! Clean residual min=-0.001557 max=0.001978 Jy/beam ! Clean residual mean=0.000046 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.761363 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 34 components and 0.761363 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.145 mas, bmaj=1.386 mas, bpa=-52.55 degrees ! Estimated noise=421.417 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000135591 Jy ! Component: 100 - total flux cleaned = 0.000138134 Jy ! Component: 150 - total flux cleaned = 0.000160477 Jy ! Component: 200 - total flux cleaned = 0.000140512 Jy ! Total flux subtracted in 200 components = 0.000140512 Jy ! Clean residual min=-0.001741 max=0.001984 Jy/beam ! Clean residual mean=0.000023 rms=0.000493 Jy/beam ! Combined flux in latest and established models = 0.761503 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 39 components and 0.761503 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164518Jy sigma=0.001113 ! Fit after self-cal, rms=0.164518Jy sigma=0.001113 wmodel J2002+4725_X_2008_04_02_pus_map.mod ! Writing 39 model components to file: J2002+4725_X_2008_04_02_pus_map.mod wobs J2002+4725_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J2002+4725_X_2008_04_02_pus_uvs.fits wwins J2002+4725_X_2008_04_02_pus_map.win ! wwins: Wrote 1 windows to J2002+4725_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 = 0.000893673 Jy ! Component: 100 - total flux cleaned = 0.00161691 Jy ! Component: 150 - total flux cleaned = 0.00218156 Jy ! Component: 200 - total flux cleaned = 0.00254324 Jy ! Component: 250 - total flux cleaned = 0.00292337 Jy ! Component: 300 - total flux cleaned = 0.00323739 Jy ! Component: 350 - total flux cleaned = 0.00351619 Jy ! Component: 400 - total flux cleaned = 0.00376195 Jy ! Component: 450 - total flux cleaned = 0.00400295 Jy ! Component: 500 - total flux cleaned = 0.00418655 Jy ! Component: 550 - total flux cleaned = 0.00434135 Jy ! Component: 600 - total flux cleaned = 0.00449369 Jy ! Component: 650 - total flux cleaned = 0.00466834 Jy ! Component: 700 - total flux cleaned = 0.00479104 Jy ! Component: 750 - total flux cleaned = 0.00486414 Jy ! Component: 800 - total flux cleaned = 0.00505541 Jy ! Component: 850 - total flux cleaned = 0.00519683 Jy ! Component: 900 - total flux cleaned = 0.00533624 Jy ! Component: 950 - total flux cleaned = 0.00545114 Jy ! Component: 1000 - total flux cleaned = 0.00560973 Jy ! Component: 1050 - total flux cleaned = 0.0056546 Jy ! Component: 1100 - total flux cleaned = 0.0057654 Jy ! Component: 1150 - total flux cleaned = 0.00585304 Jy ! Component: 1200 - total flux cleaned = 0.0059399 Jy ! Component: 1250 - total flux cleaned = 0.00600447 Jy ! Component: 1300 - total flux cleaned = 0.0060682 Jy ! Component: 1350 - total flux cleaned = 0.00621561 Jy ! Component: 1400 - total flux cleaned = 0.00623647 Jy ! Component: 1450 - total flux cleaned = 0.00627812 Jy ! Component: 1500 - total flux cleaned = 0.00646229 Jy ! Component: 1550 - total flux cleaned = 0.0064825 Jy ! Component: 1600 - total flux cleaned = 0.00660301 Jy ! Component: 1650 - total flux cleaned = 0.0066227 Jy ! Component: 1700 - total flux cleaned = 0.00670171 Jy ! Component: 1750 - total flux cleaned = 0.00679974 Jy ! Component: 1800 - total flux cleaned = 0.00687728 Jy ! Component: 1850 - total flux cleaned = 0.00685788 Jy ! Component: 1900 - total flux cleaned = 0.00691548 Jy ! Component: 1950 - total flux cleaned = 0.00699151 Jy ! Component: 2000 - total flux cleaned = 0.00704819 Jy ! Total flux subtracted in 2048 components = 0.00710439 Jy ! Clean residual min=-0.001416 max=0.001390 Jy/beam ! Clean residual mean=0.000005 rms=0.000340 Jy/beam ! Combined flux in latest and established models = 0.768608 Jy keep ! Adding 153 model components to the UV plane model. ! The established model now contains 192 components and 0.768608 Jy wmap "J2002+4725_X_2008_04_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.145 x 1.386 at -52.55 degrees (North through East) ! Clean map min=-0.0014084 max=0.70078 Jy/beam ! Writing clean map to FITS file: J2002+4725_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 0.700777 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000338492 device "J2002+4725_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J2002+4725_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.144907 0.144907 0.289814 0.579629 1.15926 2.31852 4.63703 9.27406 18.5481 37.0963 74.1925 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.7 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.145 x 1.386 at -52.55 degrees (North through East) ! Clean map min=-0.0014084 max=0.70078 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2002+4725_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J2002+4725_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2002+4725_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:53:39 2010