! Started logfile: J0231+1322_X_2003_06_18_pus_uvs.log on Wed Jan 17 16:13:19 2007 obs J0231+1322_X_2003_06_18_pus_uva.fits ! Reading UV FITS file: J0231+1322_X_2003_06_18_pus_uva.fits ! AN table 1: 47 integrations on 153 of 153 possible baselines. ! AN table 2: Unused. ! AN table 3: Unused. ! AN table 4: 23 integrations on 153 of 153 possible baselines. ! AN table 5: Unused. ! AN table 6: Unused. ! AN table 7: Unused. ! AN table 8: Unused. ! AN table 9: Unused. ! Apparent sampling: 0.35957 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0231+1322 ! ! 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 2231 lines of history. ! ! Reading 15404 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 float field_size field_size = 256 float field_cell field_cell = 0.2 float 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 562 telescope corrections were flagged in sub-array 1. ! A total of 277 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 562 telescope corrections were flagged in sub-array 1. ! A total of 277 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 562 telescope corrections were flagged in sub-array 1. ! A total of 277 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 562 telescope corrections were flagged in sub-array 1. ! A total of 277 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.998646Jy sigma=0.016299 ! Fit after self-cal, rms=0.359851Jy sigma=0.005737 ! 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 4.72% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=0.5303 mas, bmaj=1.49 mas, bpa=-6.374 degrees ! Estimated noise=999.128 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 = 0.893498 Jy ! Component: 100 - total flux cleaned = 1.14991 Jy ! Total flux subtracted in 100 components = 1.14991 Jy ! Clean residual min=-0.039292 max=0.108704 Jy/beam ! Clean residual mean=-0.000734 rms=0.016231 Jy/beam ! Combined flux in latest and established models = 1.14991 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 1.14991 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.255711Jy sigma=0.004030 ! Fit after self-cal, rms=0.255207Jy sigma=0.004022 ! Inverting map ! Your choice of large map pixels excluded 4.72% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.114731 Jy ! Component: 100 - total flux cleaned = 0.173347 Jy ! Total flux subtracted in 100 components = 0.173347 Jy ! Clean residual min=-0.022264 max=0.034278 Jy/beam ! Clean residual mean=-0.000903 rms=0.008037 Jy/beam ! Combined flux in latest and established models = 1.32325 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 14 components and 1.32325 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177202Jy sigma=0.002692 ! Fit after self-cal, rms=0.176833Jy sigma=0.002686 ! Inverting map ! Your choice of large map pixels excluded 4.72% of the data. ! The x-axis pixel size should ideally be below 0.1891 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 4.72% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=0.6356 mas, bmaj=1.68 mas, bpa=-6.846 degrees ! Estimated noise=632.57 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 = 0.058278 Jy ! Component: 100 - total flux cleaned = 0.0878128 Jy ! Component: 150 - total flux cleaned = 0.104623 Jy ! Component: 200 - total flux cleaned = 0.114509 Jy ! Total flux subtracted in 200 components = 0.114509 Jy ! Clean residual min=-0.017665 max=0.033937 Jy/beam ! Clean residual mean=-0.001457 rms=0.006778 Jy/beam ! Combined flux in latest and established models = 1.43776 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 31 components and 1.43776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162011Jy sigma=0.002352 ! Fit after self-cal, rms=0.161966Jy sigma=0.002352 ! Inverting map ! Your choice of large map pixels excluded 4.72% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec 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 0.94 FD 0.98 GG 1.00* HN 1.00* ! KK 1.00 KP 1.00 LA 0.98 MA 1.00* ! MK 0.96 NL 1.13 ON 1.00* OV 0.96 ! PT 1.00* SC 1.00* TC 1.00* TS 1.03 ! WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.10 GG 1.00* HN 1.00* ! KK 1.00 KP 1.01 LA 1.12 MA 1.00* ! MK 0.99 NL 1.00* ON 1.00* OV 1.00* ! PT 1.00* SC 1.00* TC 1.00* TS 0.99 ! WF 1.00* WZ 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 0.97 FD 0.96 GG 1.00* HN 1.00* ! KK 0.98 KP 0.95 LA 0.98 MA 1.00* ! MK 0.98 NL 1.10 ON 1.00* OV 0.95 ! PT 1.00* SC 1.00* TC 1.00* TS 1.01 ! WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.10 GG 1.00* HN 1.00* ! KK 0.99 KP 0.97 LA 1.15 MA 1.00* ! MK 1.01 NL 1.00* ON 1.00* OV 1.00* ! PT 1.00* SC 1.00* TC 1.00* TS 0.99 ! WF 1.00* WZ 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 0.99 FD 0.97 GG 1.00* HN 1.00* ! KK 1.05 KP 1.00 LA 1.00 MA 1.00* ! MK 0.99 NL 1.08 ON 1.00* OV 1.00 ! PT 1.00* SC 1.00* TC 1.00* TS 1.01 ! WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.07 GG 1.00* HN 1.00* ! KK 1.07 KP 0.99 LA 1.16 MA 1.00* ! MK 1.00 NL 1.00* ON 1.00* OV 1.00* ! PT 1.00* SC 1.00* TC 1.00* TS 0.99 ! WF 1.00* WZ 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 0.95 GG 1.00* HN 1.00* ! KK 1.04 KP 0.95 LA 0.98 MA 1.00* ! MK 1.02 NL 1.09 ON 1.00* OV 0.99 ! PT 1.00* SC 1.00* TC 1.00* TS 1.01 ! WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.08 GG 1.00* HN 1.00* ! KK 1.02 KP 0.95 LA 1.13 MA 1.00* ! MK 1.03 NL 1.00* ON 1.00* OV 1.00* ! PT 1.00* SC 1.00* TC 1.00* TS 0.99 ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.161966Jy sigma=0.002352 ! Fit after self-cal, rms=0.141648Jy sigma=0.002027 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=0.6395 mas, bmaj=1.688 mas, bpa=-6.754 degrees ! Estimated noise=633.212 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 (3.8, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0113334 Jy ! Component: 100 - total flux cleaned = 0.013648 Jy ! Component: 150 - total flux cleaned = 0.0154369 Jy ! Component: 200 - total flux cleaned = 0.0166648 Jy ! Total flux subtracted in 200 components = 0.0166648 Jy ! Clean residual min=-0.005639 max=0.005971 Jy/beam ! Clean residual mean=-0.000172 rms=0.001653 Jy/beam ! Combined flux in latest and established models = 1.45443 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 52 components and 1.45443 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140800Jy sigma=0.002010 ! Fit after self-cal, rms=0.140882Jy sigma=0.002009 ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 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=0.140882Jy sigma=0.002009 ! Fit after self-cal, rms=0.140905Jy sigma=0.002008 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=0.6399 mas, bmaj=1.688 mas, bpa=-6.766 degrees ! Estimated noise=632.965 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00193149 Jy ! Component: 100 - total flux cleaned = 0.00294567 Jy ! Component: 150 - total flux cleaned = 0.0032006 Jy ! Component: 200 - total flux cleaned = 0.00327473 Jy ! Total flux subtracted in 200 components = 0.00327473 Jy ! Clean residual min=-0.005034 max=0.005107 Jy/beam ! Clean residual mean=-0.000143 rms=0.001470 Jy/beam ! Combined flux in latest and established models = 1.4577 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 59 components and 1.4577 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140778Jy sigma=0.002006 ! Fit after self-cal, rms=0.140773Jy sigma=0.002006 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 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 = 0.00120676 Jy ! Component: 100 - total flux cleaned = 0.00134828 Jy ! Component: 150 - total flux cleaned = 0.00148342 Jy ! Component: 200 - total flux cleaned = 0.00154839 Jy ! Total flux subtracted in 200 components = 0.00154839 Jy ! Clean residual min=-0.004687 max=0.004975 Jy/beam ! Clean residual mean=-0.000132 rms=0.001413 Jy/beam ! Combined flux in latest and established models = 1.45925 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 65 components and 1.45925 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140712Jy sigma=0.002005 ! Fit after self-cal, rms=0.140710Jy sigma=0.002005 ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 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=0.140710Jy sigma=0.002005 ! Fit after self-cal, rms=0.140744Jy sigma=0.002005 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=0.6401 mas, bmaj=1.688 mas, bpa=-6.775 degrees ! Estimated noise=633.095 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000831878 Jy ! Component: 100 - total flux cleaned = 0.000898885 Jy ! Component: 150 - total flux cleaned = 0.000961423 Jy ! Component: 200 - total flux cleaned = 0.00113388 Jy ! Total flux subtracted in 200 components = 0.00113388 Jy ! Clean residual min=-0.004433 max=0.004822 Jy/beam ! Clean residual mean=-0.000139 rms=0.001366 Jy/beam ! Combined flux in latest and established models = 1.46039 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 70 components and 1.46039 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140689Jy sigma=0.002004 ! Fit after self-cal, rms=0.140686Jy sigma=0.002004 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 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 = 0.000504704 Jy ! Component: 100 - total flux cleaned = 0.000612281 Jy ! Component: 150 - total flux cleaned = 0.000611117 Jy ! Component: 200 - total flux cleaned = 0.00056208 Jy ! Total flux subtracted in 200 components = 0.00056208 Jy ! Clean residual min=-0.004343 max=0.004726 Jy/beam ! Clean residual mean=-0.000132 rms=0.001337 Jy/beam ! Combined flux in latest and established models = 1.46095 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 71 components and 1.46095 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140649Jy sigma=0.002003 ! Fit after self-cal, rms=0.140648Jy sigma=0.002003 ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 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=0.140648Jy sigma=0.002003 ! Fit after self-cal, rms=0.140660Jy sigma=0.002003 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=2.672 mas, bmaj=2.735 mas, bpa=62.52 degrees ! Estimated noise=876.456 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0011818 Jy ! Component: 100 - total flux cleaned = 0.00124653 Jy ! Component: 150 - total flux cleaned = 0.00118347 Jy ! Component: 200 - total flux cleaned = 0.00113118 Jy ! Total flux subtracted in 200 components = 0.00113118 Jy ! Clean residual min=-0.004450 max=0.006044 Jy/beam ! Clean residual mean=-0.000264 rms=0.001814 Jy/beam ! Combined flux in latest and established models = 1.46208 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 75 components and 1.46208 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140637Jy sigma=0.002003 ! Fit after self-cal, rms=0.140630Jy sigma=0.002003 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 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 = 0.000448877 Jy ! Component: 100 - total flux cleaned = 0.000407446 Jy ! Component: 150 - total flux cleaned = 0.000407306 Jy ! Component: 200 - total flux cleaned = 0.000370729 Jy ! Total flux subtracted in 200 components = 0.000370729 Jy ! Clean residual min=-0.004434 max=0.005903 Jy/beam ! Clean residual mean=-0.000241 rms=0.001791 Jy/beam ! Combined flux in latest and established models = 1.46245 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 81 components and 1.46245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140629Jy sigma=0.002003 ! Fit after self-cal, rms=0.140628Jy sigma=0.002003 ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 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 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=0.6404 mas, bmaj=1.688 mas, bpa=-6.782 degrees ! Estimated noise=633.249 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6404 x 1.688 at -6.782 degrees (North through East) ! Clean map min=-0.0069963 max=1.2098 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=0.140628Jy sigma=0.002003 ! Fit after self-cal, rms=0.127703Jy sigma=0.001808 ! Inverting map and beam ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=0.6399 mas, bmaj=1.688 mas, bpa=-6.767 degrees ! Estimated noise=633.175 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000624359 Jy ! Component: 100 - total flux cleaned = -0.000500908 Jy ! Component: 150 - total flux cleaned = -0.000389441 Jy ! Component: 200 - total flux cleaned = -0.000244417 Jy ! Total flux subtracted in 200 components = -0.000244417 Jy ! Clean residual min=-0.004076 max=0.004270 Jy/beam ! Clean residual mean=-0.000114 rms=0.001235 Jy/beam ! Combined flux in latest and established models = 1.46221 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 86 components and 1.46221 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127653Jy sigma=0.001807 ! Fit after self-cal, rms=0.127653Jy sigma=0.001807 ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000154125 Jy ! Component: 100 - total flux cleaned = 0.000236978 Jy ! Component: 150 - total flux cleaned = 0.000275669 Jy ! Component: 200 - total flux cleaned = 0.000314188 Jy ! Total flux subtracted in 200 components = 0.000314188 Jy ! Clean residual min=-0.004010 max=0.004210 Jy/beam ! Clean residual mean=-0.000109 rms=0.001221 Jy/beam ! Combined flux in latest and established models = 1.46252 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 90 components and 1.46252 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127630Jy sigma=0.001807 ! Fit after self-cal, rms=0.127629Jy sigma=0.001807 ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127629Jy sigma=0.001807 ! Fit after self-cal, rms=0.127650Jy sigma=0.001807 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 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=0.5337 mas, bmaj=1.489 mas, bpa=-6.281 degrees ! Estimated noise=1013.53 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.904583 Jy ! Component: 100 - total flux cleaned = 1.16068 Jy ! Component: 150 - total flux cleaned = 1.27292 Jy ! Component: 200 - total flux cleaned = 1.3305 Jy ! Total flux subtracted in 200 components = 1.3305 Jy ! Clean residual min=-0.017806 max=0.028678 Jy/beam ! Clean residual mean=-0.000172 rms=0.005555 Jy/beam ! Combined flux in latest and established models = 1.3305 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 13 model components to the UV plane model. ! The established model now contains 13 components and 1.3305 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=0.6402 mas, bmaj=1.688 mas, bpa=-6.775 degrees ! Estimated noise=633.331 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 = 0.0486565 Jy ! Component: 100 - total flux cleaned = 0.07321 Jy ! Component: 150 - total flux cleaned = 0.0892282 Jy ! Component: 200 - total flux cleaned = 0.100561 Jy ! Total flux subtracted in 200 components = 0.100561 Jy ! Clean residual min=-0.005891 max=0.011134 Jy/beam ! Clean residual mean=-0.000275 rms=0.002162 Jy/beam ! Combined flux in latest and established models = 1.43106 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 37 components and 1.43106 Jy ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Added new window around map position (1, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102388 Jy ! Component: 100 - total flux cleaned = 0.0160858 Jy ! Component: 150 - total flux cleaned = 0.0203304 Jy ! Component: 200 - total flux cleaned = 0.0235883 Jy ! Total flux subtracted in 200 components = 0.0235883 Jy ! Clean residual min=-0.004901 max=0.005449 Jy/beam ! Clean residual mean=-0.000166 rms=0.001321 Jy/beam ! Combined flux in latest and established models = 1.45465 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 68 components and 1.45465 Jy ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 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 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=2.672 mas, bmaj=2.734 mas, bpa=63.18 degrees ! Estimated noise=876.748 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00464748 Jy ! Component: 100 - total flux cleaned = 0.00728559 Jy ! Component: 150 - total flux cleaned = 0.00826013 Jy ! Component: 200 - total flux cleaned = 0.00858143 Jy ! Total flux subtracted in 200 components = 0.00858143 Jy ! Clean residual min=-0.004860 max=0.005931 Jy/beam ! Clean residual mean=-0.000256 rms=0.001758 Jy/beam ! Combined flux in latest and established models = 1.46323 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 = 0.000269839 Jy ! Component: 100 - total flux cleaned = 0.000348668 Jy ! Component: 150 - total flux cleaned = 0.000312239 Jy ! Component: 200 - total flux cleaned = 0.000345797 Jy ! Total flux subtracted in 200 components = 0.000345797 Jy ! Clean residual min=-0.004763 max=0.005772 Jy/beam ! Clean residual mean=-0.000234 rms=0.001732 Jy/beam ! Combined flux in latest and established models = 1.46358 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 93 components and 1.46358 Jy ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! Estimated beam: bmin=0.6402 mas, bmaj=1.688 mas, bpa=-6.775 degrees ! Estimated noise=633.331 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000757928 Jy ! Component: 100 - total flux cleaned = -0.000696307 Jy ! Component: 150 - total flux cleaned = -0.00051826 Jy ! Component: 200 - total flux cleaned = -0.000365853 Jy ! Total flux subtracted in 200 components = -0.000365853 Jy ! Clean residual min=-0.004251 max=0.005661 Jy/beam ! Clean residual mean=-0.000109 rms=0.001173 Jy/beam ! Combined flux in latest and established models = 1.46321 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 104 components and 1.46321 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127623Jy sigma=0.001807 ! Fit after self-cal, rms=0.127601Jy sigma=0.001807 wmodel J0231+1322_X_2003_06_18_pus_map.mod ! Writing 104 model components to file: J0231+1322_X_2003_06_18_pus_map.mod wobs J0231+1322_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J0231+1322_X_2003_06_18_pus_uvs.fits wwins J0231+1322_X_2003_06_18_pus_map.win ! wwins: Wrote 3 windows to J0231+1322_X_2003_06_18_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 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109675 Jy ! Component: 100 - total flux cleaned = 0.00143421 Jy ! Component: 150 - total flux cleaned = 0.00167869 Jy ! Component: 200 - total flux cleaned = 0.00162496 Jy ! Component: 250 - total flux cleaned = 0.00162678 Jy ! Component: 300 - total flux cleaned = 0.00136808 Jy ! Component: 350 - total flux cleaned = 0.00117304 Jy ! Component: 400 - total flux cleaned = 0.00103151 Jy ! Component: 450 - total flux cleaned = 0.000848892 Jy ! Component: 500 - total flux cleaned = 0.000715851 Jy ! Component: 550 - total flux cleaned = 0.000503102 Jy ! Component: 600 - total flux cleaned = 0.000339422 Jy ! Component: 650 - total flux cleaned = 0.000141828 Jy ! Component: 700 - total flux cleaned = -1.07844e-05 Jy ! Component: 750 - total flux cleaned = -8.54169e-05 Jy ! Component: 800 - total flux cleaned = -0.000122511 Jy ! Component: 850 - total flux cleaned = -0.00019311 Jy ! Component: 900 - total flux cleaned = -0.000193028 Jy ! Component: 950 - total flux cleaned = -0.000192383 Jy ! Component: 1000 - total flux cleaned = -0.000126353 Jy ! Total flux subtracted in 1024 components = -0.000223538 Jy ! Clean residual min=-0.001648 max=0.001933 Jy/beam ! Clean residual mean=-0.000050 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 1.46299 Jy keep ! Adding 59 model components to the UV plane model. ! The established model now contains 163 components and 1.46299 Jy wmap "J0231+1322_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6402 x 1.688 at -6.775 degrees (North through East) ! Clean map min=-0.0029982 max=1.2073 Jy/beam ! Writing clean map to FITS file: J0231+1322_X_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.20733 invert ! Inverting map ! Your choice of large map pixels excluded 4.74% of the data. ! The x-axis pixel size should ideally be below 0.1891 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00065097 device "J0231+1322_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J0231+1322_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.161754 0.161754 0.323508 0.647015 1.29403 2.58806 5.17612 10.3522 20.7045 41.409 82.8179 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.207 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6402 x 1.688 at -6.775 degrees (North through East) ! Clean map min=-0.0029982 max=1.2073 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0231+1322_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J0231+1322_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0231+1322_X_2003_06_18_pus_uvs.log closed on Wed Jan 17 16:13:43 2007