! Started logfile: J2148+0657_X_2008_07_09_pus_uvs.log on Sun Oct 10 22:35:16 2010 obs J2148+0657_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J2148+0657_X_2008_07_09_pus_uva.fits ! AN table 1: 33 integrations on 105 of 105 possible baselines. ! AN table 2: 52 integrations on 105 of 105 possible baselines. ! AN table 3: 31 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.194253 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2148+0657 ! ! 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 1146 lines of history. ! ! Reading 9464 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 235 telescope corrections were flagged in sub-array 1. ! A total of 518 telescope corrections were flagged in sub-array 2. ! A total of 359 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 235 telescope corrections were flagged in sub-array 1. ! A total of 518 telescope corrections were flagged in sub-array 2. ! A total of 359 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 235 telescope corrections were flagged in sub-array 1. ! A total of 518 telescope corrections were flagged in sub-array 2. ! A total of 359 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 235 telescope corrections were flagged in sub-array 1. ! A total of 518 telescope corrections were flagged in sub-array 2. ! A total of 359 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=2.784714Jy sigma=0.024130 ! Fit after self-cal, rms=2.744822Jy sigma=0.023966 ! 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 2.25% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=0.5642 mas, bmaj=1.581 mas, bpa=-12.67 degrees ! Estimated noise=1255.42 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 = 2.49652 Jy ! Component: 100 - total flux cleaned = 3.43188 Jy ! Total flux subtracted in 100 components = 3.43188 Jy ! Clean residual min=-0.130660 max=0.550694 Jy/beam ! Clean residual mean=0.005883 rms=0.050716 Jy/beam ! Combined flux in latest and established models = 3.43188 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 3.43188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.048049Jy sigma=0.009255 ! Fit after self-cal, rms=1.026430Jy sigma=0.009161 ! Inverting map ! Your choice of large map pixels excluded 2.25% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Added new window around map position (0.8, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.577136 Jy ! Component: 100 - total flux cleaned = 0.886002 Jy ! Total flux subtracted in 100 components = 0.886002 Jy ! Clean residual min=-0.076500 max=0.163346 Jy/beam ! Clean residual mean=0.002645 rms=0.024834 Jy/beam ! Combined flux in latest and established models = 4.31788 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 13 components and 4.31788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.578790Jy sigma=0.004973 ! Fit after self-cal, rms=0.541468Jy sigma=0.004774 ! Inverting map ! Your choice of large map pixels excluded 2.25% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.217132 Jy ! Component: 100 - total flux cleaned = 0.353551 Jy ! Total flux subtracted in 100 components = 0.353551 Jy ! Clean residual min=-0.048370 max=0.075205 Jy/beam ! Clean residual mean=0.001369 rms=0.015482 Jy/beam ! Combined flux in latest and established models = 4.67143 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 23 components and 4.67143 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.427975Jy sigma=0.003478 ! Fit after self-cal, rms=0.423581Jy sigma=0.003455 ! Inverting map ! Your choice of large map pixels excluded 2.25% of the data. ! The x-axis pixel size should ideally be below 0.1753 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 2.25% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=0.6545 mas, bmaj=1.819 mas, bpa=-12.38 degrees ! Estimated noise=961.501 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 = 0.157087 Jy ! Component: 100 - total flux cleaned = 0.250185 Jy ! Component: 150 - total flux cleaned = 0.307613 Jy ! Component: 200 - total flux cleaned = 0.344734 Jy ! Total flux subtracted in 200 components = 0.344734 Jy ! Clean residual min=-0.038673 max=0.060024 Jy/beam ! Clean residual mean=0.001665 rms=0.014261 Jy/beam ! Combined flux in latest and established models = 5.01617 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 37 components and 5.01617 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.385182Jy sigma=0.002737 ! Fit after self-cal, rms=0.382962Jy sigma=0.002721 ! Inverting map ! Your choice of large map pixels excluded 2.25% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 HH 1.00* HN 1.11 ! KK 1.00* KP 1.01 LA 1.00 MK 1.00* ! NL 0.97 NY 1.04 ON 1.12 PT 1.00 ! SC 0.96 WZ 1.00 ZC 1.05 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.99 HH 1.00* HN 1.09 ! KK 1.03 KP 0.98 LA 0.94 MK 0.95 ! NL 0.98 NY 1.05 ON 1.08 PT 0.95 ! SC 1.02 WZ 1.01 ZC 1.15 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.05 ON 1.06 PT 1.00* ! SC 1.00* WZ 1.00 ZC 0.99 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HH 1.00* HN 1.03 ! KK 1.00* KP 0.96 LA 0.98 MK 1.00* ! NL 0.96 NY 1.08 ON 1.14 PT 1.01 ! SC 0.97 WZ 1.01 ZC 1.04 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.98 HH 1.00* HN 1.00 ! KK 1.02 KP 0.94 LA 0.93 MK 0.95 ! NL 0.96 NY 1.09 ON 1.11 PT 0.96 ! SC 1.03 WZ 1.00 ZC 1.13 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.08 ON 1.04 PT 1.00* ! SC 1.00* WZ 0.99 ZC 1.00 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HH 1.00* HN 1.03 ! KK 1.00* KP 1.00 LA 1.02 MK 1.00* ! NL 1.00 NY 1.06 ON 1.11 PT 1.01 ! SC 1.00 WZ 1.01 ZC 1.07 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 HH 1.00* HN 1.01 ! KK 1.00 KP 0.97 LA 0.96 MK 0.96 ! NL 1.00 NY 1.07 ON 1.08 PT 0.96 ! SC 1.05 WZ 1.01 ZC 1.13 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.06 ON 1.09 PT 1.00* ! SC 1.00* WZ 1.00 ZC 1.00 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HH 1.00* HN 1.03 ! KK 1.00* KP 0.99 LA 1.01 MK 1.00* ! NL 1.00 NY 1.10 ON 1.13 PT 1.06 ! SC 1.01 WZ 1.00 ZC 1.09 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.98 HH 1.00* HN 1.00 ! KK 0.99 KP 0.97 LA 0.95 MK 0.98 ! NL 1.00 NY 1.09 ON 1.11 PT 1.00 ! SC 1.06 WZ 1.00 ZC 1.17 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* HH 1.00* HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MK 1.00* ! NL 1.00* NY 1.11 ON 1.02 PT 1.00* ! SC 1.00* WZ 0.99 ZC 1.03 ! ! ! Fit before self-cal, rms=0.382962Jy sigma=0.002721 ! Fit after self-cal, rms=0.282314Jy sigma=0.001855 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=0.6597 mas, bmaj=1.827 mas, bpa=-12.29 degrees ! Estimated noise=963.327 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 = 0.000402582 Jy ! Component: 100 - total flux cleaned = -0.00293127 Jy ! Component: 150 - total flux cleaned = -0.00548004 Jy ! Component: 200 - total flux cleaned = -0.00719714 Jy ! Total flux subtracted in 200 components = -0.00719714 Jy ! Clean residual min=-0.018751 max=0.015785 Jy/beam ! Clean residual mean=-0.000411 rms=0.005205 Jy/beam ! Combined flux in latest and established models = 5.00897 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 47 components and 5.00897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.280567Jy sigma=0.001837 ! Fit after self-cal, rms=0.280292Jy sigma=0.001835 ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 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=0.280292Jy sigma=0.001835 ! Fit after self-cal, rms=0.264060Jy sigma=0.001679 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=0.6604 mas, bmaj=1.823 mas, bpa=-12.25 degrees ! Estimated noise=962.198 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000714267 Jy ! Component: 100 - total flux cleaned = -0.0014323 Jy ! Component: 150 - total flux cleaned = -0.00250784 Jy ! Component: 200 - total flux cleaned = -0.00317776 Jy ! Total flux subtracted in 200 components = -0.00317776 Jy ! Clean residual min=-0.008773 max=0.017516 Jy/beam ! Clean residual mean=0.000254 rms=0.002981 Jy/beam ! Combined flux in latest and established models = 5.00579 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 51 components and 5.00579 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263332Jy sigma=0.001671 ! Fit after self-cal, rms=0.263065Jy sigma=0.001670 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 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 (1.8, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0131844 Jy ! Component: 100 - total flux cleaned = 0.0139156 Jy ! Component: 150 - total flux cleaned = 0.0148056 Jy ! Component: 200 - total flux cleaned = 0.015569 Jy ! Total flux subtracted in 200 components = 0.015569 Jy ! Clean residual min=-0.010086 max=0.013322 Jy/beam ! Clean residual mean=0.000121 rms=0.002622 Jy/beam ! Combined flux in latest and established models = 5.02136 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 65 components and 5.02136 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261973Jy sigma=0.001659 ! Fit after self-cal, rms=0.261759Jy sigma=0.001658 ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Added new window around map position (4.4, -3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0123813 Jy ! Component: 100 - total flux cleaned = 0.0150325 Jy ! Component: 150 - total flux cleaned = 0.0157816 Jy ! Component: 200 - total flux cleaned = 0.0166682 Jy ! Total flux subtracted in 200 components = 0.0166682 Jy ! Clean residual min=-0.010605 max=0.009066 Jy/beam ! Clean residual mean=-0.000023 rms=0.002304 Jy/beam ! Combined flux in latest and established models = 5.03803 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 79 components and 5.03803 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.261116Jy sigma=0.001650 ! Fit after self-cal, rms=0.261018Jy sigma=0.001650 ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 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=0.261018Jy sigma=0.001650 ! Fit after self-cal, rms=0.259433Jy sigma=0.001639 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=0.6608 mas, bmaj=1.822 mas, bpa=-12.23 degrees ! Estimated noise=961.476 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00820222 Jy ! Component: 100 - total flux cleaned = 0.0109756 Jy ! Component: 150 - total flux cleaned = 0.0128111 Jy ! Component: 200 - total flux cleaned = 0.0140031 Jy ! Total flux subtracted in 200 components = 0.0140031 Jy ! Clean residual min=-0.007406 max=0.006480 Jy/beam ! Clean residual mean=0.000110 rms=0.001812 Jy/beam ! Combined flux in latest and established models = 5.05203 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 91 components and 5.05203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.258983Jy sigma=0.001633 ! Fit after self-cal, rms=0.258914Jy sigma=0.001633 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 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 = 0.00138689 Jy ! Component: 100 - total flux cleaned = 0.00271343 Jy ! Component: 150 - total flux cleaned = 0.0032106 Jy ! Component: 200 - total flux cleaned = 0.00396265 Jy ! Total flux subtracted in 200 components = 0.00396265 Jy ! Clean residual min=-0.007473 max=0.006115 Jy/beam ! Clean residual mean=0.000074 rms=0.001718 Jy/beam ! Combined flux in latest and established models = 5.056 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 98 components and 5.056 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.258727Jy sigma=0.001631 ! Fit after self-cal, rms=0.258677Jy sigma=0.001631 ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 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=0.258677Jy sigma=0.001631 ! Fit after self-cal, rms=0.258493Jy sigma=0.001629 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=2.171 mas, bmaj=2.725 mas, bpa=1.63 degrees ! Estimated noise=1293.96 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00522257 Jy ! Component: 100 - total flux cleaned = 0.00690838 Jy ! Component: 150 - total flux cleaned = 0.00832091 Jy ! Component: 200 - total flux cleaned = 0.00954577 Jy ! Total flux subtracted in 200 components = 0.00954577 Jy ! Clean residual min=-0.005820 max=0.006511 Jy/beam ! Clean residual mean=0.000219 rms=0.001916 Jy/beam ! Combined flux in latest and established models = 5.06554 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 113 components and 5.06554 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.258419Jy sigma=0.001629 ! Fit after self-cal, rms=0.258356Jy sigma=0.001628 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 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 = 0.000668328 Jy ! Component: 100 - total flux cleaned = 0.00156197 Jy ! Component: 150 - total flux cleaned = 0.00274142 Jy ! Component: 200 - total flux cleaned = 0.00349548 Jy ! Total flux subtracted in 200 components = 0.00349548 Jy ! Clean residual min=-0.005658 max=0.005908 Jy/beam ! Clean residual mean=0.000131 rms=0.001796 Jy/beam ! Combined flux in latest and established models = 5.06904 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 116 components and 5.06904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.258377Jy sigma=0.001628 ! Fit after self-cal, rms=0.258326Jy sigma=0.001628 ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 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 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=0.661 mas, bmaj=1.822 mas, bpa=-12.23 degrees ! Estimated noise=961.24 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.661 x 1.822 at -12.23 degrees (North through East) ! Clean map min=-0.0047749 max=3.3876 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=0.258326Jy sigma=0.001628 ! Fit after self-cal, rms=0.207047Jy sigma=0.001154 ! Inverting map and beam ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=0.6612 mas, bmaj=1.822 mas, bpa=-12.23 degrees ! Estimated noise=960.545 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00117441 Jy ! Component: 100 - total flux cleaned = 0.00172246 Jy ! Component: 150 - total flux cleaned = 0.00237672 Jy ! Component: 200 - total flux cleaned = 0.00281954 Jy ! Total flux subtracted in 200 components = 0.00281954 Jy ! Clean residual min=-0.004712 max=0.005420 Jy/beam ! Clean residual mean=0.000064 rms=0.001376 Jy/beam ! Combined flux in latest and established models = 5.07186 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 134 components and 5.07186 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206695Jy sigma=0.001151 ! Fit after self-cal, rms=0.206620Jy sigma=0.001151 ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103419 Jy ! Component: 100 - total flux cleaned = 0.00144846 Jy ! Component: 150 - total flux cleaned = 0.0014451 Jy ! Component: 200 - total flux cleaned = 0.00156178 Jy ! Total flux subtracted in 200 components = 0.00156178 Jy ! Clean residual min=-0.005244 max=0.005090 Jy/beam ! Clean residual mean=0.000051 rms=0.001330 Jy/beam ! Combined flux in latest and established models = 5.07342 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 140 components and 5.07342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206449Jy sigma=0.001149 ! Fit after self-cal, rms=0.206417Jy sigma=0.001149 ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206417Jy sigma=0.001149 ! Fit after self-cal, rms=0.206660Jy sigma=0.001149 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 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=0.5701 mas, bmaj=1.576 mas, bpa=-12.45 degrees ! Estimated noise=1262.38 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.5137 Jy ! Component: 100 - total flux cleaned = 3.53089 Jy ! Component: 150 - total flux cleaned = 4.04852 Jy ! Component: 200 - total flux cleaned = 4.34853 Jy ! Total flux subtracted in 200 components = 4.34853 Jy ! Clean residual min=-0.039157 max=0.158841 Jy/beam ! Clean residual mean=0.002643 rms=0.017675 Jy/beam ! Combined flux in latest and established models = 4.34853 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 14 model components to the UV plane model. ! The established model now contains 14 components and 4.34853 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=0.6614 mas, bmaj=1.822 mas, bpa=-12.22 degrees ! Estimated noise=960.465 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 = 0.272862 Jy ! Component: 100 - total flux cleaned = 0.425408 Jy ! Component: 150 - total flux cleaned = 0.514759 Jy ! Component: 200 - total flux cleaned = 0.57168 Jy ! Total flux subtracted in 200 components = 0.57168 Jy ! Clean residual min=-0.011102 max=0.030371 Jy/beam ! Clean residual mean=0.001322 rms=0.005897 Jy/beam ! Combined flux in latest and established models = 4.92021 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 43 components and 4.92021 Jy ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0377613 Jy ! Component: 100 - total flux cleaned = 0.0647209 Jy ! Component: 150 - total flux cleaned = 0.0850214 Jy ! Component: 200 - total flux cleaned = 0.100774 Jy ! Total flux subtracted in 200 components = 0.100774 Jy ! Clean residual min=-0.006586 max=0.010051 Jy/beam ! Clean residual mean=0.000498 rms=0.002485 Jy/beam ! Combined flux in latest and established models = 5.02098 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 68 components and 5.02098 Jy ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 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 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=2.169 mas, bmaj=2.723 mas, bpa=1.768 degrees ! Estimated noise=1293.44 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0216309 Jy ! Component: 100 - total flux cleaned = 0.0338003 Jy ! Component: 150 - total flux cleaned = 0.0415129 Jy ! Component: 200 - total flux cleaned = 0.0466682 Jy ! Total flux subtracted in 200 components = 0.0466682 Jy ! Clean residual min=-0.005376 max=0.004960 Jy/beam ! Clean residual mean=0.000309 rms=0.001708 Jy/beam ! Combined flux in latest and established models = 5.06765 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 = 0.00354825 Jy ! Component: 100 - total flux cleaned = 0.00601767 Jy ! Component: 150 - total flux cleaned = 0.00774656 Jy ! Component: 200 - total flux cleaned = 0.00879634 Jy ! Total flux subtracted in 200 components = 0.00879634 Jy ! Clean residual min=-0.005162 max=0.004187 Jy/beam ! Clean residual mean=0.000103 rms=0.001410 Jy/beam ! Combined flux in latest and established models = 5.07645 Jy ! Adding 67 model components to the UV plane model. ! The established model now contains 122 components and 5.07645 Jy ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! Estimated beam: bmin=0.6614 mas, bmaj=1.822 mas, bpa=-12.22 degrees ! Estimated noise=960.465 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00313097 Jy ! Component: 100 - total flux cleaned = -0.00315041 Jy ! Component: 150 - total flux cleaned = -0.00222711 Jy ! Component: 200 - total flux cleaned = -0.00153806 Jy ! Total flux subtracted in 200 components = -0.00153806 Jy ! Clean residual min=-0.005044 max=0.005529 Jy/beam ! Clean residual mean=0.000050 rms=0.001440 Jy/beam ! Combined flux in latest and established models = 5.07491 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 130 components and 5.07491 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208518Jy sigma=0.001166 ! Fit after self-cal, rms=0.208212Jy sigma=0.001163 wmodel J2148+0657_X_2008_07_09_pus_map.mod ! Writing 130 model components to file: J2148+0657_X_2008_07_09_pus_map.mod wobs J2148+0657_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J2148+0657_X_2008_07_09_pus_uvs.fits wwins J2148+0657_X_2008_07_09_pus_map.win ! wwins: Wrote 4 windows to J2148+0657_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 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00146831 Jy ! Component: 100 - total flux cleaned = 0.00156072 Jy ! Component: 150 - total flux cleaned = 0.00181953 Jy ! Component: 200 - total flux cleaned = 0.00240046 Jy ! Component: 250 - total flux cleaned = 0.00280181 Jy ! Component: 300 - total flux cleaned = 0.00326836 Jy ! Component: 350 - total flux cleaned = 0.00349501 Jy ! Component: 400 - total flux cleaned = 0.00379237 Jy ! Component: 450 - total flux cleaned = 0.00422975 Jy ! Component: 500 - total flux cleaned = 0.00465758 Jy ! Component: 550 - total flux cleaned = 0.00486723 Jy ! Component: 600 - total flux cleaned = 0.0050743 Jy ! Component: 650 - total flux cleaned = 0.00521069 Jy ! Component: 700 - total flux cleaned = 0.0053447 Jy ! Component: 750 - total flux cleaned = 0.00534503 Jy ! Component: 800 - total flux cleaned = 0.00527925 Jy ! Component: 850 - total flux cleaned = 0.00521465 Jy ! Component: 900 - total flux cleaned = 0.0051502 Jy ! Component: 950 - total flux cleaned = 0.00489698 Jy ! Component: 1000 - total flux cleaned = 0.00477265 Jy ! Total flux subtracted in 1024 components = 0.00477309 Jy ! Clean residual min=-0.003802 max=0.003096 Jy/beam ! Clean residual mean=0.000031 rms=0.001207 Jy/beam ! Combined flux in latest and established models = 5.07968 Jy keep ! Adding 75 model components to the UV plane model. ! The established model now contains 204 components and 5.07968 Jy wmap "J2148+0657_X_2008_07_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6614 x 1.822 at -12.22 degrees (North through East) ! Clean map min=-0.0042245 max=3.3886 Jy/beam ! Writing clean map to FITS file: J2148+0657_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 3.38857 invert ! Inverting map ! Your choice of large map pixels excluded 2.27% of the data. ! The x-axis pixel size should ideally be below 0.1753 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00120704 device "J2148+0657_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J2148+0657_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.106863 0.106863 0.213725 0.42745 0.8549 1.7098 3.4196 6.8392 13.6784 27.3568 54.7136 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0036 print "peak=",int(1000*peak_flux)/1000 ! peak= 3.388 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6614 x 1.822 at -12.22 degrees (North through East) ! Clean map min=-0.0042245 max=3.3886 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2148+0657_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J2148+0657_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2148+0657_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 22:35:18 2010