! Started logfile: J2031+1219_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:19:43 2010 obs J2031+1219_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J2031+1219_X_2008_07_09_pus_uva.fits ! AN table 1: 34 integrations on 105 of 105 possible baselines. ! AN table 2: 316 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.241442 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2031+1219 ! ! 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 1142 lines of history. ! ! Reading 35492 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 = 256 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 = 256x256 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 278 telescope corrections were flagged in sub-array 1. ! A total of 2660 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 278 telescope corrections were flagged in sub-array 1. ! A total of 2660 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 278 telescope corrections were flagged in sub-array 1. ! A total of 2660 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 278 telescope corrections were flagged in sub-array 1. ! A total of 2660 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.752546Jy sigma=0.006127 ! Fit after self-cal, rms=0.312578Jy sigma=0.002164 ! 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 ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=0.5553 mas, bmaj=1.388 mas, bpa=-17.66 degrees ! Estimated noise=819.25 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 = 0.606732 Jy ! Component: 100 - total flux cleaned = 0.747769 Jy ! Total flux subtracted in 100 components = 0.747769 Jy ! Clean residual min=-0.014490 max=0.055889 Jy/beam ! Clean residual mean=0.000302 rms=0.006343 Jy/beam ! Combined flux in latest and established models = 0.747769 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.747768 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218452Jy sigma=0.001545 ! Fit after self-cal, rms=0.218397Jy sigma=0.001544 ! Inverting map ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0601001 Jy ! Component: 100 - total flux cleaned = 0.0901166 Jy ! Total flux subtracted in 100 components = 0.0901166 Jy ! Clean residual min=-0.010795 max=0.013761 Jy/beam ! Clean residual mean=0.000143 rms=0.003102 Jy/beam ! Combined flux in latest and established models = 0.837885 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 6 components and 0.837885 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200936Jy sigma=0.001336 ! Fit after self-cal, rms=0.200721Jy sigma=0.001335 ! Inverting map ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec 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 ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=0.6259 mas, bmaj=1.578 mas, bpa=-17.38 degrees ! Estimated noise=488.877 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 = 0.0229711 Jy ! Component: 100 - total flux cleaned = 0.0348349 Jy ! Component: 150 - total flux cleaned = 0.042453 Jy ! Component: 200 - total flux cleaned = 0.0474412 Jy ! Total flux subtracted in 200 components = 0.0474412 Jy ! Clean residual min=-0.010730 max=0.012083 Jy/beam ! Clean residual mean=0.000186 rms=0.002629 Jy/beam ! Combined flux in latest and established models = 0.885326 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 21 components and 0.885326 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198638Jy sigma=0.001305 ! Fit after self-cal, rms=0.198569Jy sigma=0.001305 ! Inverting map ! Your choice of large map pixels excluded 3.19% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.01 HH 1.00* HN 1.00* ! KK 1.01 KP 1.04 LA 1.00 MK 0.96 ! NL 1.01 NY 1.00* ON 1.00* PT 1.02 ! SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.01 HH 1.00* HN 1.13 ! KK 1.00* KP 1.02 LA 0.99 MK 0.99 ! NL 1.00 NY 0.98 ON 1.05 PT 0.99 ! SC 0.98 WZ 1.01 ZC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HH 1.00* HN 1.00* ! KK 0.98 KP 1.01 LA 0.99 MK 0.95 ! NL 0.99 NY 1.00* ON 1.00* PT 1.02 ! SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.00 HH 1.00* HN 1.04 ! KK 1.00* KP 0.97 LA 0.98 MK 0.98 ! NL 0.98 NY 1.02 ON 1.04 PT 0.99 ! SC 0.99 WZ 1.01 ZC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HH 1.00* HN 1.00* ! KK 0.98 KP 1.01 LA 1.00 MK 0.98 ! NL 1.02 NY 1.00* ON 1.00* PT 1.01 ! SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 45 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 1.02 ! KK 1.00* KP 1.00 LA 1.00 MK 0.99 ! NL 0.99 NY 1.00 ON 1.02 PT 0.99 ! SC 1.01 WZ 1.00 ZC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HH 1.00* HN 1.00* ! KK 0.97 KP 1.02 LA 1.00 MK 0.98 ! NL 1.02 NY 1.00* ON 1.00* PT 1.06 ! SC 1.00* WZ 1.00* ZC 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.99 HH 1.00* HN 1.01 ! KK 1.00* KP 0.99 LA 0.98 MK 1.02 ! NL 0.99 NY 1.06 ON 1.04 PT 1.02 ! SC 1.02 WZ 0.99 ZC 0.97 ! ! ! Fit before self-cal, rms=0.198569Jy sigma=0.001305 ! Fit after self-cal, rms=0.198518Jy sigma=0.001282 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=0.6276 mas, bmaj=1.577 mas, bpa=-17.35 degrees ! Estimated noise=488.725 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 = -0.000476341 Jy ! Component: 100 - total flux cleaned = 1.39731e-05 Jy ! Component: 150 - total flux cleaned = 0.000590269 Jy ! Component: 200 - total flux cleaned = 0.000895459 Jy ! Total flux subtracted in 200 components = 0.000895459 Jy ! Clean residual min=-0.005994 max=0.008673 Jy/beam ! Clean residual mean=0.000165 rms=0.001860 Jy/beam ! Combined flux in latest and established models = 0.886222 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 31 components and 0.886222 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198456Jy sigma=0.001281 ! Fit after self-cal, rms=0.198548Jy sigma=0.001281 ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec 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=0.198548Jy sigma=0.001281 ! Fit after self-cal, rms=0.196062Jy sigma=0.001270 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=0.6292 mas, bmaj=1.58 mas, bpa=-17.35 degrees ! Estimated noise=489.413 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.004427 Jy ! Component: 100 - total flux cleaned = -0.00511077 Jy ! Component: 150 - total flux cleaned = -0.00510991 Jy ! Component: 200 - total flux cleaned = -0.00511084 Jy ! Total flux subtracted in 200 components = -0.00511084 Jy ! Clean residual min=-0.003953 max=0.005861 Jy/beam ! Clean residual mean=0.000124 rms=0.001260 Jy/beam ! Combined flux in latest and established models = 0.881111 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 33 components and 0.881111 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195948Jy sigma=0.001269 ! Fit after self-cal, rms=0.195927Jy sigma=0.001269 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-9.8, 7.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00519232 Jy ! Component: 100 - total flux cleaned = 0.00821288 Jy ! Component: 150 - total flux cleaned = 0.00958549 Jy ! Component: 200 - total flux cleaned = 0.00992196 Jy ! Total flux subtracted in 200 components = 0.00992196 Jy ! Clean residual min=-0.003913 max=0.004706 Jy/beam ! Clean residual mean=0.000062 rms=0.001049 Jy/beam ! Combined flux in latest and established models = 0.891033 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 49 components and 0.891033 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195759Jy sigma=0.001267 ! Fit after self-cal, rms=0.195752Jy sigma=0.001267 ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Added new window around map position (-2.2, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00373687 Jy ! Component: 100 - total flux cleaned = 0.0050389 Jy ! Component: 150 - total flux cleaned = 0.00597366 Jy ! Component: 200 - total flux cleaned = 0.00679381 Jy ! Total flux subtracted in 200 components = 0.00679381 Jy ! Clean residual min=-0.003510 max=0.003896 Jy/beam ! Clean residual mean=0.000038 rms=0.000927 Jy/beam ! Combined flux in latest and established models = 0.897827 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 62 components and 0.897827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195639Jy sigma=0.001266 ! Fit after self-cal, rms=0.195645Jy sigma=0.001266 ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec 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=0.195645Jy sigma=0.001266 ! Fit after self-cal, rms=0.196054Jy sigma=0.001265 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=0.6304 mas, bmaj=1.581 mas, bpa=-17.34 degrees ! Estimated noise=489.816 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000789801 Jy ! Component: 100 - total flux cleaned = -0.000496759 Jy ! Component: 150 - total flux cleaned = -0.00037052 Jy ! Component: 200 - total flux cleaned = -0.000261716 Jy ! Total flux subtracted in 200 components = -0.000261716 Jy ! Clean residual min=-0.003163 max=0.003859 Jy/beam ! Clean residual mean=0.000040 rms=0.000790 Jy/beam ! Combined flux in latest and established models = 0.897565 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 70 components and 0.897565 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195991Jy sigma=0.001264 ! Fit after self-cal, rms=0.196006Jy sigma=0.001264 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec 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 (-0.6, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0034898 Jy ! Component: 100 - total flux cleaned = 0.00458566 Jy ! Component: 150 - total flux cleaned = 0.00485303 Jy ! Component: 200 - total flux cleaned = 0.00479117 Jy ! Total flux subtracted in 200 components = 0.00479117 Jy ! Clean residual min=-0.003021 max=0.002452 Jy/beam ! Clean residual mean=0.000025 rms=0.000682 Jy/beam ! Combined flux in latest and established models = 0.902356 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 91 components and 0.902356 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.195942Jy sigma=0.001264 ! Fit after self-cal, rms=0.195933Jy sigma=0.001264 ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec 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=0.195933Jy sigma=0.001264 ! Fit after self-cal, rms=0.196034Jy sigma=0.001263 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=2.019 mas, bmaj=2.659 mas, bpa=-3.429 degrees ! Estimated noise=689.463 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000401123 Jy ! Component: 100 - total flux cleaned = -0.000937623 Jy ! Component: 150 - total flux cleaned = -0.00117293 Jy ! Component: 200 - total flux cleaned = -0.00127358 Jy ! Total flux subtracted in 200 components = -0.00127358 Jy ! Clean residual min=-0.002602 max=0.003021 Jy/beam ! Clean residual mean=0.000109 rms=0.000830 Jy/beam ! Combined flux in latest and established models = 0.901082 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 111 components and 0.901082 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196036Jy sigma=0.001263 ! Fit after self-cal, rms=0.196032Jy sigma=0.001263 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec 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 = -0.000127015 Jy ! Component: 100 - total flux cleaned = -0.000299746 Jy ! Component: 150 - total flux cleaned = -0.00044749 Jy ! Component: 200 - total flux cleaned = -0.000547105 Jy ! Total flux subtracted in 200 components = -0.000547105 Jy ! Clean residual min=-0.002421 max=0.002908 Jy/beam ! Clean residual mean=0.000118 rms=0.000789 Jy/beam ! Combined flux in latest and established models = 0.900535 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 119 components and 0.900535 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196036Jy sigma=0.001263 ! Fit after self-cal, rms=0.196034Jy sigma=0.001263 ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec 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 ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=0.6309 mas, bmaj=1.581 mas, bpa=-17.32 degrees ! Estimated noise=489.563 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6309 x 1.581 at -17.32 degrees (North through East) ! Clean map min=-0.0025796 max=0.79008 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=0.196034Jy sigma=0.001263 ! Fit after self-cal, rms=0.417949Jy sigma=0.001133 ! Inverting map and beam ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=0.6309 mas, bmaj=1.581 mas, bpa=-17.32 degrees ! Estimated noise=489.638 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000319979 Jy ! Component: 100 - total flux cleaned = -0.000195381 Jy ! Component: 150 - total flux cleaned = -0.000596907 Jy ! Component: 200 - total flux cleaned = -0.000868505 Jy ! Total flux subtracted in 200 components = -0.000868505 Jy ! Clean residual min=-0.002172 max=0.002062 Jy/beam ! Clean residual mean=0.000017 rms=0.000534 Jy/beam ! Combined flux in latest and established models = 0.899667 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 138 components and 0.899667 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.417933Jy sigma=0.001133 ! Fit after self-cal, rms=0.417962Jy sigma=0.001133 ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.3159e-05 Jy ! Component: 100 - total flux cleaned = -0.000277852 Jy ! Component: 150 - total flux cleaned = -0.00039299 Jy ! Component: 200 - total flux cleaned = -0.000429656 Jy ! Total flux subtracted in 200 components = -0.000429656 Jy ! Clean residual min=-0.002163 max=0.001936 Jy/beam ! Clean residual mean=0.000020 rms=0.000523 Jy/beam ! Combined flux in latest and established models = 0.899237 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 141 components and 0.899237 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.417953Jy sigma=0.001133 ! Fit after self-cal, rms=0.417957Jy sigma=0.001133 ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.417957Jy sigma=0.001133 ! Fit after self-cal, rms=0.424046Jy sigma=0.001133 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 ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=0.5574 mas, bmaj=1.388 mas, bpa=-17.52 degrees ! Estimated noise=828.551 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.609053 Jy ! Component: 100 - total flux cleaned = 0.749108 Jy ! Component: 150 - total flux cleaned = 0.807366 Jy ! Component: 200 - total flux cleaned = 0.836524 Jy ! Total flux subtracted in 200 components = 0.836524 Jy ! Clean residual min=-0.007038 max=0.013518 Jy/beam ! Clean residual mean=0.000121 rms=0.001943 Jy/beam ! Combined flux in latest and established models = 0.836524 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 8 model components to the UV plane model. ! The established model now contains 8 components and 0.836524 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=0.6311 mas, bmaj=1.581 mas, bpa=-17.31 degrees ! Estimated noise=489.602 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 = 0.0183644 Jy ! Component: 100 - total flux cleaned = 0.0282791 Jy ! Component: 150 - total flux cleaned = 0.0351848 Jy ! Component: 200 - total flux cleaned = 0.0406498 Jy ! Total flux subtracted in 200 components = 0.0406498 Jy ! Clean residual min=-0.003225 max=0.003268 Jy/beam ! Clean residual mean=0.000105 rms=0.000976 Jy/beam ! Combined flux in latest and established models = 0.877174 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 41 components and 0.877174 Jy ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec 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 ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=2.02 mas, bmaj=2.657 mas, bpa=-3.443 degrees ! Estimated noise=689.167 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00855713 Jy ! Component: 100 - total flux cleaned = 0.0131976 Jy ! Component: 150 - total flux cleaned = 0.0162294 Jy ! Component: 200 - total flux cleaned = 0.0183966 Jy ! Total flux subtracted in 200 components = 0.0183966 Jy ! Clean residual min=-0.002626 max=0.002390 Jy/beam ! Clean residual mean=0.000100 rms=0.000789 Jy/beam ! Combined flux in latest and established models = 0.895571 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 = 0.000867063 Jy ! Component: 100 - total flux cleaned = 0.00157355 Jy ! Component: 150 - total flux cleaned = 0.00185136 Jy ! Component: 200 - total flux cleaned = 0.00205645 Jy ! Total flux subtracted in 200 components = 0.00205645 Jy ! Clean residual min=-0.002304 max=0.002135 Jy/beam ! Clean residual mean=0.000075 rms=0.000685 Jy/beam ! Combined flux in latest and established models = 0.897627 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 97 components and 0.897627 Jy ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! Estimated beam: bmin=0.6311 mas, bmaj=1.581 mas, bpa=-17.31 degrees ! Estimated noise=489.602 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109238 Jy ! Component: 100 - total flux cleaned = 0.00153186 Jy ! Component: 150 - total flux cleaned = 0.00160435 Jy ! Component: 200 - total flux cleaned = 0.00160581 Jy ! Total flux subtracted in 200 components = 0.00160581 Jy ! Clean residual min=-0.002493 max=0.001788 Jy/beam ! Clean residual mean=0.000021 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.899233 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 113 components and 0.899233 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.424122Jy sigma=0.001133 ! Fit after self-cal, rms=0.424105Jy sigma=0.001133 wmodel J2031+1219_X_2008_07_09_pus_map.mod ! Writing 113 model components to file: J2031+1219_X_2008_07_09_pus_map.mod wobs J2031+1219_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J2031+1219_X_2008_07_09_pus_uvs.fits wwins J2031+1219_X_2008_07_09_pus_map.win ! wwins: Wrote 4 windows to J2031+1219_X_2008_07_09_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00103038 Jy ! Component: 100 - total flux cleaned = -0.00185709 Jy ! Component: 150 - total flux cleaned = -0.00241303 Jy ! Component: 200 - total flux cleaned = -0.00287629 Jy ! Component: 250 - total flux cleaned = -0.00320254 Jy ! Component: 300 - total flux cleaned = -0.00351746 Jy ! Component: 350 - total flux cleaned = -0.00368393 Jy ! Component: 400 - total flux cleaned = -0.00387319 Jy ! Component: 450 - total flux cleaned = -0.00400467 Jy ! Component: 500 - total flux cleaned = -0.00408172 Jy ! Component: 550 - total flux cleaned = -0.00415693 Jy ! Component: 600 - total flux cleaned = -0.00423084 Jy ! Component: 650 - total flux cleaned = -0.00427949 Jy ! Component: 700 - total flux cleaned = -0.00435064 Jy ! Component: 750 - total flux cleaned = -0.00437378 Jy ! Component: 800 - total flux cleaned = -0.00441954 Jy ! Component: 850 - total flux cleaned = -0.00444193 Jy ! Component: 900 - total flux cleaned = -0.00446434 Jy ! Component: 950 - total flux cleaned = -0.004552 Jy ! Component: 1000 - total flux cleaned = -0.00457329 Jy ! Total flux subtracted in 1024 components = -0.00459467 Jy ! Clean residual min=-0.001736 max=0.001331 Jy/beam ! Clean residual mean=0.000032 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.894638 Jy keep ! Adding 66 model components to the UV plane model. ! The established model now contains 179 components and 0.894638 Jy wmap "J2031+1219_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6311 x 1.581 at -17.31 degrees (North through East) ! Clean map min=-0.0020989 max=0.79188 Jy/beam ! Writing clean map to FITS file: J2031+1219_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.79188 invert ! Inverting map ! Your choice of large map pixels excluded 3.2% of the data. ! The x-axis pixel size should ideally be below 0.1661 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000433115 device "J2031+1219_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2031+1219_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.164083 0.164083 0.328167 0.656333 1.31267 2.62533 5.25067 10.5013 21.0027 42.0053 84.0106 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.791 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6311 x 1.581 at -17.31 degrees (North through East) ! Clean map min=-0.0020989 max=0.79188 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2031+1219_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J2031+1219_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2031+1219_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:19:49 2010