! Started logfile: J1924-2914_X_1998_10_01_pus_uvs.log on Wed Feb 6 13:12:55 2008 obs J1924-2914_X_1998_10_01_pus_uva.fits ! Reading UV FITS file: J1924-2914_X_1998_10_01_pus_uva.fits ! AN table 1: 32 integrations on 136 of 136 possible baselines. ! AN table 2: 84 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.217546 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1924-2914 ! ! 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 8.40798e+09 4e+06 1 4e+06 ! 02 2 8.47798e+09 4e+06 1 4e+06 ! 03 3 8.79298e+09 4e+06 1 4e+06 ! 04 4 8.89798e+09 4e+06 1 4e+06 ! ! Polarization(s): RR ! ! Read 2049 lines of history. ! ! Reading 13728 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1924-2914_X_1998_10_01_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 225 telescope corrections were flagged in sub-array 1. ! A total of 933 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 225 telescope corrections were flagged in sub-array 1. ! A total of 933 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 225 telescope corrections were flagged in sub-array 1. ! A total of 933 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 225 telescope corrections were flagged in sub-array 1. ! A total of 933 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=5.102772Jy sigma=0.049686 ! Fit after self-cal, rms=5.063691Jy sigma=0.049484 ! 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 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=0.7048 mas, bmaj=2.242 mas, bpa=-0.9444 degrees ! Estimated noise=1057.04 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 = 4.20604 Jy ! Component: 100 - total flux cleaned = 5.43098 Jy ! Total flux subtracted in 100 components = 5.43098 Jy ! Clean residual min=-0.166119 max=0.525572 Jy/beam ! Clean residual mean=-0.002242 rms=0.065402 Jy/beam ! Combined flux in latest and established models = 5.43098 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 5.43098 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.486227Jy sigma=0.015367 ! Fit after self-cal, rms=1.485383Jy sigma=0.015359 ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.592473 Jy ! Component: 100 - total flux cleaned = 0.947918 Jy ! Total flux subtracted in 100 components = 0.947918 Jy ! Clean residual min=-0.142569 max=0.265278 Jy/beam ! Clean residual mean=-0.002150 rms=0.045587 Jy/beam ! Combined flux in latest and established models = 6.3789 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 33 components and 6.3789 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.088738Jy sigma=0.010859 ! Fit after self-cal, rms=1.088084Jy sigma=0.010852 ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 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 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=0.8801 mas, bmaj=2.753 mas, bpa=-0.05788 degrees ! Estimated noise=679.845 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 (1, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.557262 Jy ! Component: 100 - total flux cleaned = 0.908815 Jy ! Component: 150 - total flux cleaned = 1.14844 Jy ! Component: 200 - total flux cleaned = 1.31601 Jy ! Total flux subtracted in 200 components = 1.31601 Jy ! Clean residual min=-0.130359 max=0.258746 Jy/beam ! Clean residual mean=-0.004734 rms=0.046833 Jy/beam ! Combined flux in latest and established models = 7.6949 Jy ! Performing phase self-cal ! Adding 60 model components to the UV plane model. ! The established model now contains 87 components and 7.6949 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.797486Jy sigma=0.006914 ! Fit after self-cal, rms=0.766667Jy sigma=0.006628 ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Added new window around map position (3.4, 6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.273287 Jy ! Component: 100 - total flux cleaned = 0.434206 Jy ! Component: 150 - total flux cleaned = 0.548342 Jy ! Component: 200 - total flux cleaned = 0.635989 Jy ! Total flux subtracted in 200 components = 0.635989 Jy ! Clean residual min=-0.102351 max=0.124067 Jy/beam ! Clean residual mean=-0.005287 rms=0.029818 Jy/beam ! Combined flux in latest and established models = 8.33089 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 137 components and 8.33089 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.673791Jy sigma=0.005261 ! Fit after self-cal, rms=0.658711Jy sigma=0.005072 ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 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 0.97 FD 0.96 GC 1.00* HN 1.01 ! KK 1.00* KP 0.98 LA 1.01 MK 1.00* ! NL 0.99 NY 1.00* ON 1.00* OV 1.04 ! PT 0.98 SC 1.00 WF 1.11 MC 1.00* ! GN 1.06 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.00 GC 1.00* HN 1.00* ! KK 1.00 KP 0.96 LA 1.00 MK 1.00 ! NL 1.04 NY 1.00* ON 1.00* OV 1.01 ! PT 0.98 SC 1.02 WF 1.26 MC 1.00* ! GN 1.03 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 GC 1.00* HN 1.06 ! KK 1.00* KP 1.00 LA 0.97 MK 1.00* ! NL 1.01 NY 1.00* ON 1.00* OV 1.03 ! PT 0.99 SC 0.98 WF 1.12 MC 1.00* ! GN 1.05 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.01 GC 1.00* HN 1.00* ! KK 1.00 KP 0.97 LA 0.96 MK 0.99 ! NL 1.06 NY 1.00* ON 1.00* OV 1.01 ! PT 0.98 SC 1.01 WF 1.26 MC 1.00* ! GN 1.03 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.95 GC 1.00* HN 1.00 ! KK 1.00* KP 1.02 LA 0.96 MK 1.00* ! NL 0.98 NY 1.00* ON 1.00* OV 0.99 ! PT 0.99 SC 1.01 WF 1.12 MC 1.00* ! GN 1.04 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.98 GC 1.00* HN 1.00* ! KK 1.00 KP 1.00 LA 0.96 MK 1.02 ! NL 1.02 NY 1.00* ON 1.00* OV 0.97 ! PT 0.99 SC 1.03 WF 1.25 MC 1.00* ! GN 1.02 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.93 GC 1.00* HN 1.05 ! KK 1.00* KP 1.00 LA 0.98 MK 1.00* ! NL 1.00 NY 1.00* ON 1.00* OV 1.01 ! PT 0.95 SC 0.98 WF 1.12 MC 1.00* ! GN 1.04 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.96 GC 1.00* HN 1.00* ! KK 0.99 KP 0.97 LA 0.98 MK 0.98 ! NL 1.04 NY 1.00* ON 1.00* OV 0.99 ! PT 0.94 SC 1.00 WF 1.26 MC 1.00* ! GN 1.01 ! ! ! Fit before self-cal, rms=0.658711Jy sigma=0.005072 ! Fit after self-cal, rms=0.537992Jy sigma=0.004041 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=0.8874 mas, bmaj=2.761 mas, bpa=0.02501 degrees ! Estimated noise=677.955 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 = 0.0908453 Jy ! Component: 100 - total flux cleaned = 0.110964 Jy ! Component: 150 - total flux cleaned = 0.129802 Jy ! Component: 200 - total flux cleaned = 0.142532 Jy ! Total flux subtracted in 200 components = 0.142532 Jy ! Clean residual min=-0.072348 max=0.061966 Jy/beam ! Clean residual mean=-0.001045 rms=0.018568 Jy/beam ! Combined flux in latest and established models = 8.47342 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 171 components and 8.47342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.514772Jy sigma=0.003791 ! Fit after self-cal, rms=0.512838Jy sigma=0.003766 ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 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=0.512838Jy sigma=0.003766 ! Fit after self-cal, rms=0.413539Jy sigma=0.003102 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=0.8897 mas, bmaj=2.76 mas, bpa=0.06248 degrees ! Estimated noise=680.901 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0361595 Jy ! Component: 100 - total flux cleaned = 0.0499795 Jy ! Component: 150 - total flux cleaned = 0.0560928 Jy ! Component: 200 - total flux cleaned = 0.0613292 Jy ! Total flux subtracted in 200 components = 0.0613292 Jy ! Clean residual min=-0.035195 max=0.040594 Jy/beam ! Clean residual mean=-0.000967 rms=0.008874 Jy/beam ! Combined flux in latest and established models = 8.53475 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 191 components and 8.53475 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.395287Jy sigma=0.002913 ! Fit after self-cal, rms=0.394067Jy sigma=0.002895 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 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 (5.4, 3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0370546 Jy ! Component: 100 - total flux cleaned = 0.0498777 Jy ! Component: 150 - total flux cleaned = 0.0556853 Jy ! Component: 200 - total flux cleaned = 0.0592259 Jy ! Total flux subtracted in 200 components = 0.0592259 Jy ! Clean residual min=-0.034885 max=0.024880 Jy/beam ! Clean residual mean=-0.000999 rms=0.007208 Jy/beam ! Combined flux in latest and established models = 8.59398 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 213 components and 8.59398 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.387462Jy sigma=0.002821 ! Fit after self-cal, rms=0.387146Jy sigma=0.002817 ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 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=0.387146Jy sigma=0.002817 ! Fit after self-cal, rms=0.385220Jy sigma=0.002792 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=0.8911 mas, bmaj=2.762 mas, bpa=0.1012 degrees ! Estimated noise=680.188 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00550005 Jy ! Component: 100 - total flux cleaned = -0.00253839 Jy ! Component: 150 - total flux cleaned = 0.000133715 Jy ! Component: 200 - total flux cleaned = 0.00332647 Jy ! Total flux subtracted in 200 components = 0.00332647 Jy ! Clean residual min=-0.030913 max=0.023799 Jy/beam ! Clean residual mean=-0.000877 rms=0.006178 Jy/beam ! Combined flux in latest and established models = 8.59731 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 221 components and 8.59731 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.379706Jy sigma=0.002748 ! Fit after self-cal, rms=0.379499Jy sigma=0.002745 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 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 = 0.00545681 Jy ! Component: 100 - total flux cleaned = 0.00766384 Jy ! Component: 150 - total flux cleaned = 0.00970342 Jy ! Component: 200 - total flux cleaned = 0.0116183 Jy ! Total flux subtracted in 200 components = 0.0116183 Jy ! Clean residual min=-0.028927 max=0.022132 Jy/beam ! Clean residual mean=-0.000884 rms=0.005651 Jy/beam ! Combined flux in latest and established models = 8.60892 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 233 components and 8.60892 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.376771Jy sigma=0.002721 ! Fit after self-cal, rms=0.376617Jy sigma=0.002719 ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 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=0.376617Jy sigma=0.002719 ! Fit after self-cal, rms=0.376145Jy sigma=0.002711 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=2.138 mas, bmaj=5.742 mas, bpa=1.813 degrees ! Estimated noise=826.102 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00112968 Jy ! Component: 100 - total flux cleaned = 0.00319578 Jy ! Component: 150 - total flux cleaned = 0.00464015 Jy ! Component: 200 - total flux cleaned = 0.00586996 Jy ! Total flux subtracted in 200 components = 0.00586996 Jy ! Clean residual min=-0.023486 max=0.017059 Jy/beam ! Clean residual mean=-0.001565 rms=0.005990 Jy/beam ! Combined flux in latest and established models = 8.61479 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 255 components and 8.61479 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.374444Jy sigma=0.002695 ! Fit after self-cal, rms=0.374211Jy sigma=0.002692 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 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 = 0.00314053 Jy ! Component: 100 - total flux cleaned = 0.00536935 Jy ! Component: 150 - total flux cleaned = 0.00540333 Jy ! Component: 200 - total flux cleaned = 0.00540826 Jy ! Total flux subtracted in 200 components = 0.00540826 Jy ! Clean residual min=-0.021073 max=0.014623 Jy/beam ! Clean residual mean=-0.001560 rms=0.005462 Jy/beam ! Combined flux in latest and established models = 8.6202 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 269 components and 8.6202 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.373440Jy sigma=0.002684 ! Fit after self-cal, rms=0.373312Jy sigma=0.002682 ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 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 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=0.8923 mas, bmaj=2.765 mas, bpa=0.09057 degrees ! Estimated noise=680.114 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8923 x 2.765 at 0.09057 degrees (North through East) ! Clean map min=-0.021185 max=5.5855 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=0.373312Jy sigma=0.002682 ! Fit after self-cal, rms=0.334520Jy sigma=0.002327 ! Inverting map and beam ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=0.8928 mas, bmaj=2.767 mas, bpa=0.06065 degrees ! Estimated noise=679.147 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0105753 Jy ! Component: 100 - total flux cleaned = -0.0105866 Jy ! Component: 150 - total flux cleaned = -0.0106042 Jy ! Component: 200 - total flux cleaned = -0.010615 Jy ! Total flux subtracted in 200 components = -0.010615 Jy ! Clean residual min=-0.019987 max=0.015983 Jy/beam ! Clean residual mean=-0.000598 rms=0.004287 Jy/beam ! Combined flux in latest and established models = 8.60958 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 278 components and 8.60958 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.331766Jy sigma=0.002309 ! Fit after self-cal, rms=0.331673Jy sigma=0.002308 ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000948957 Jy ! Component: 100 - total flux cleaned = 0.00094247 Jy ! Component: 150 - total flux cleaned = 0.00179334 Jy ! Component: 200 - total flux cleaned = 0.00219229 Jy ! Total flux subtracted in 200 components = 0.00219229 Jy ! Clean residual min=-0.018450 max=0.015290 Jy/beam ! Clean residual mean=-0.000599 rms=0.004065 Jy/beam ! Combined flux in latest and established models = 8.61177 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 283 components and 8.61177 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330346Jy sigma=0.002298 ! Fit after self-cal, rms=0.330248Jy sigma=0.002297 ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330248Jy sigma=0.002297 ! Fit after self-cal, rms=0.330295Jy sigma=0.002293 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 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=0.7128 mas, bmaj=2.241 mas, bpa=-0.7842 degrees ! Estimated noise=1074.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.27249 Jy ! Component: 100 - total flux cleaned = 5.49161 Jy ! Component: 150 - total flux cleaned = 6.04123 Jy ! Component: 200 - total flux cleaned = 6.41597 Jy ! Total flux subtracted in 200 components = 6.41597 Jy ! Clean residual min=-0.079510 max=0.218172 Jy/beam ! Clean residual mean=-0.000508 rms=0.037854 Jy/beam ! Combined flux in latest and established models = 6.41597 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 34 model components to the UV plane model. ! The established model now contains 34 components and 6.41597 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=0.8936 mas, bmaj=2.769 mas, bpa=0.04477 degrees ! Estimated noise=679.324 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 = 0.547094 Jy ! Component: 100 - total flux cleaned = 0.914928 Jy ! Component: 150 - total flux cleaned = 1.17801 Jy ! Component: 200 - total flux cleaned = 1.37315 Jy ! Total flux subtracted in 200 components = 1.37315 Jy ! Clean residual min=-0.049278 max=0.113023 Jy/beam ! Clean residual mean=-0.000255 rms=0.025189 Jy/beam ! Combined flux in latest and established models = 7.78912 Jy ! Adding 113 model components to the UV plane model. ! The established model now contains 128 components and 7.78912 Jy ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.148535 Jy ! Component: 100 - total flux cleaned = 0.263481 Jy ! Component: 150 - total flux cleaned = 0.353552 Jy ! Component: 200 - total flux cleaned = 0.425539 Jy ! Total flux subtracted in 200 components = 0.425539 Jy ! Clean residual min=-0.025695 max=0.051463 Jy/beam ! Clean residual mean=-0.000370 rms=0.011617 Jy/beam ! Combined flux in latest and established models = 8.21466 Jy ! Adding 99 model components to the UV plane model. ! The established model now contains 217 components and 8.21466 Jy ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Added new window around map position (-1, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0606879 Jy ! Component: 100 - total flux cleaned = 0.11002 Jy ! Component: 150 - total flux cleaned = 0.151218 Jy ! Component: 200 - total flux cleaned = 0.185951 Jy ! Total flux subtracted in 200 components = 0.185951 Jy ! Clean residual min=-0.019204 max=0.025328 Jy/beam ! Clean residual mean=-0.000431 rms=0.006607 Jy/beam ! Combined flux in latest and established models = 8.40061 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 274 components and 8.40061 Jy ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 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 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=2.139 mas, bmaj=5.752 mas, bpa=1.778 degrees ! Estimated noise=823.623 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0511318 Jy ! Component: 100 - total flux cleaned = 0.0876552 Jy ! Component: 150 - total flux cleaned = 0.114813 Jy ! Component: 200 - total flux cleaned = 0.135264 Jy ! Total flux subtracted in 200 components = 0.135264 Jy ! Clean residual min=-0.016935 max=0.017991 Jy/beam ! Clean residual mean=-0.000973 rms=0.005584 Jy/beam ! Combined flux in latest and established models = 8.53587 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 = 0.0155474 Jy ! Component: 100 - total flux cleaned = 0.0274926 Jy ! Component: 150 - total flux cleaned = 0.0357528 Jy ! Component: 200 - total flux cleaned = 0.0393044 Jy ! Total flux subtracted in 200 components = 0.0393044 Jy ! Clean residual min=-0.015148 max=0.014355 Jy/beam ! Clean residual mean=-0.001003 rms=0.004438 Jy/beam ! Combined flux in latest and established models = 8.57518 Jy ! Adding 93 model components to the UV plane model. ! The established model now contains 355 components and 8.57518 Jy ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! Estimated beam: bmin=0.8936 mas, bmaj=2.769 mas, bpa=0.04477 degrees ! Estimated noise=679.324 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00157378 Jy ! Component: 100 - total flux cleaned = 0.000994317 Jy ! Component: 150 - total flux cleaned = 0.00326818 Jy ! Component: 200 - total flux cleaned = 0.00463892 Jy ! Total flux subtracted in 200 components = 0.00463892 Jy ! Clean residual min=-0.014665 max=0.014125 Jy/beam ! Clean residual mean=-0.000496 rms=0.003426 Jy/beam ! Combined flux in latest and established models = 8.57982 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 369 components and 8.57981 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.324601Jy sigma=0.002265 ! Fit after self-cal, rms=0.323908Jy sigma=0.002259 wmodel J1924-2914_X_1998_10_01_pus_map.mod ! Writing 369 model components to file: J1924-2914_X_1998_10_01_pus_map.mod wobs J1924-2914_X_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J1924-2914_X_1998_10_01_pus_uvs.fits wwins J1924-2914_X_1998_10_01_pus_map.win ! wwins: Wrote 5 windows to J1924-2914_X_1998_10_01_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 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000460948 Jy ! Component: 100 - total flux cleaned = -0.000961784 Jy ! Component: 150 - total flux cleaned = -0.00183082 Jy ! Component: 200 - total flux cleaned = -0.00306465 Jy ! Component: 250 - total flux cleaned = -0.00463966 Jy ! Component: 300 - total flux cleaned = -0.00634748 Jy ! Component: 350 - total flux cleaned = -0.00781534 Jy ! Component: 400 - total flux cleaned = -0.00906006 Jy ! Component: 450 - total flux cleaned = -0.0102702 Jy ! Component: 500 - total flux cleaned = -0.0114492 Jy ! Component: 550 - total flux cleaned = -0.0130914 Jy ! Component: 600 - total flux cleaned = -0.0146955 Jy ! Component: 650 - total flux cleaned = -0.0161072 Jy ! Component: 700 - total flux cleaned = -0.0173368 Jy ! Component: 750 - total flux cleaned = -0.0182431 Jy ! Component: 800 - total flux cleaned = -0.019577 Jy ! Component: 850 - total flux cleaned = -0.0211779 Jy ! Component: 900 - total flux cleaned = -0.0221773 Jy ! Component: 950 - total flux cleaned = -0.0230231 Jy ! Component: 1000 - total flux cleaned = -0.0241348 Jy ! Component: 1050 - total flux cleaned = -0.0249586 Jy ! Component: 1100 - total flux cleaned = -0.0259037 Jy ! Component: 1150 - total flux cleaned = -0.026705 Jy ! Component: 1200 - total flux cleaned = -0.0274956 Jy ! Component: 1250 - total flux cleaned = -0.0285356 Jy ! Component: 1300 - total flux cleaned = -0.0294334 Jy ! Component: 1350 - total flux cleaned = -0.0301945 Jy ! Component: 1400 - total flux cleaned = -0.0313186 Jy ! Component: 1450 - total flux cleaned = -0.0320576 Jy ! Component: 1500 - total flux cleaned = -0.0330304 Jy ! Component: 1550 - total flux cleaned = -0.0337549 Jy ! Component: 1600 - total flux cleaned = -0.0347096 Jy ! Component: 1650 - total flux cleaned = -0.0358874 Jy ! Component: 1700 - total flux cleaned = -0.0365857 Jy ! Component: 1750 - total flux cleaned = -0.0375083 Jy ! Component: 1800 - total flux cleaned = -0.0385335 Jy ! Component: 1850 - total flux cleaned = -0.0392103 Jy ! Component: 1900 - total flux cleaned = -0.0399914 Jy ! Component: 1950 - total flux cleaned = -0.0409848 Jy ! Component: 2000 - total flux cleaned = -0.0418582 Jy ! Total flux subtracted in 2048 components = -0.0422915 Jy ! Clean residual min=-0.007373 max=0.006111 Jy/beam ! Clean residual mean=-0.000336 rms=0.002103 Jy/beam ! Combined flux in latest and established models = 8.53752 Jy keep ! Adding 143 model components to the UV plane model. ! The established model now contains 512 components and 8.53752 Jy ![Exited script file: muppet] wmap "J1924-2914_X_1998_10_01_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8936 x 2.769 at 0.04477 degrees (North through East) ! Clean map min=-0.010319 max=5.6332 Jy/beam ! Writing clean map to FITS file: J1924-2914_X_1998_10_01_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 5.6332 invert ! Inverting map ! Your choice of large map pixels excluded 0.44% of the data. ! The x-axis pixel size should ideally be below 0.1934 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00208921 device "J1924-2914_X_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J1924-2914_X_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.111262 0.111262 0.222524 0.445049 0.890098 1.7802 3.56039 7.12078 14.2416 28.4831 56.9663 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0062 print "peak=",int(1000*peak_flux)/1000 ! peak= 5.633 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8936 x 2.769 at 0.04477 degrees (North through East) ! Clean map min=-0.010319 max=5.6332 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1924-2914_X_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J1924-2914_X_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1924-2914_X_1998_10_01_pus_uvs.log closed on Wed Feb 6 13:13:04 2008