! Started logfile: J1147-3812_X_2008_04_02_pus_uvs.log on Sun Feb 21 18:24:31 2010 obs J1147-3812_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1147-3812_X_2008_04_02_pus_uva.fits ! AN table 1: 17 integrations on 120 of 120 possible baselines. ! AN table 2: 51 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.136642 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1147-3812 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2284 lines of history. ! ! Reading 4460 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 141 telescope corrections were flagged in sub-array 1. ! A total of 547 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 141 telescope corrections were flagged in sub-array 1. ! A total of 547 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 141 telescope corrections were flagged in sub-array 1. ! A total of 547 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 141 telescope corrections were flagged in sub-array 1. ! A total of 547 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.019366Jy sigma=0.008915 ! Fit after self-cal, rms=0.387468Jy sigma=0.003327 ! 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 1.17% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.6476 mas, bmaj=2.003 mas, bpa=-1.04 degrees ! Estimated noise=1921.88 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 = 0.89743 Jy ! Component: 100 - total flux cleaned = 1.13569 Jy ! Total flux subtracted in 100 components = 1.13569 Jy ! Clean residual min=-0.051012 max=0.109374 Jy/beam ! Clean residual mean=0.004535 rms=0.021431 Jy/beam ! Combined flux in latest and established models = 1.13569 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.13569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.299414Jy sigma=0.002538 ! Fit after self-cal, rms=0.299143Jy sigma=0.002536 ! Inverting map ! Your choice of large map pixels excluded 1.17% of the data. ! The x-axis pixel size should ideally be below 0.1923 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 1.17% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.8974 mas, bmaj=2.707 mas, bpa=-1.991 degrees ! Estimated noise=1287 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 = 0.172905 Jy ! Component: 100 - total flux cleaned = 0.238883 Jy ! Component: 150 - total flux cleaned = 0.266221 Jy ! Component: 200 - total flux cleaned = 0.277384 Jy ! Total flux subtracted in 200 components = 0.277384 Jy ! Clean residual min=-0.027756 max=0.046879 Jy/beam ! Clean residual mean=-0.000704 rms=0.011885 Jy/beam ! Combined flux in latest and established models = 1.41307 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 21 components and 1.41307 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206589Jy sigma=0.001645 ! Fit after self-cal, rms=0.206479Jy sigma=0.001644 ! Inverting map ! Your choice of large map pixels excluded 1.17% of the data. ! The x-axis pixel size should ideally be below 0.1923 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 1.00* FD 0.96 HH 1.00* HN 1.00* ! KK 0.99 KP 1.00 LA 1.01 MK 0.94 ! NL 1.33 NY 1.00* ON 1.00* OV 1.01 ! PT 1.01 SC 1.01 WZ 1.00* ZC 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 HH 1.00* HN 1.00* ! KK 1.00* KP 0.98 LA 0.98 MK 1.00* ! NL 1.04 NY 1.00* ON 1.00* OV 0.98 ! PT 0.99 SC 1.00 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 HH 1.00* HN 1.00* ! KK 0.99 KP 0.95 LA 0.98 MK 0.91 ! NL 1.30 NY 1.00* ON 1.00* OV 0.97 ! PT 1.00 SC 1.01 WZ 1.00* ZC 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 HH 1.00* HN 1.00* ! KK 1.00* KP 0.93 LA 0.96 MK 1.00* ! NL 1.02 NY 1.00* ON 1.00* OV 0.97 ! PT 0.98 SC 1.03 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 HH 1.00* HN 1.00* ! KK 1.06 KP 0.99 LA 1.03 MK 0.98 ! NL 1.34 NY 1.00* ON 1.00* OV 1.04 ! PT 0.99 SC 1.02 WZ 1.00* ZC 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 HH 1.00* HN 1.00* ! KK 1.00* KP 0.96 LA 1.00 MK 1.00* ! NL 1.06 NY 1.00* ON 1.00* OV 0.99 ! PT 0.99 SC 1.05 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 HH 1.00* HN 1.00* ! KK 1.05 KP 0.96 LA 1.01 MK 0.99 ! NL 1.37 NY 1.00* ON 1.00* OV 1.02 ! PT 1.00 SC 1.03 WZ 1.00* ZC 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 HH 1.00* HN 1.00* ! KK 1.00* KP 0.96 LA 0.99 MK 1.00* ! NL 1.06 NY 1.00* ON 1.00* OV 0.98 ! PT 1.00 SC 1.07 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.206479Jy sigma=0.001644 ! Fit after self-cal, rms=0.172946Jy sigma=0.001302 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.9004 mas, bmaj=2.718 mas, bpa=-2.057 degrees ! Estimated noise=1302.2 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 = -0.0029654 Jy ! Component: 100 - total flux cleaned = -0.00253816 Jy ! Component: 150 - total flux cleaned = -0.00270238 Jy ! Component: 200 - total flux cleaned = -0.00284801 Jy ! Total flux subtracted in 200 components = -0.00284801 Jy ! Clean residual min=-0.015790 max=0.016414 Jy/beam ! Clean residual mean=-0.001474 rms=0.004223 Jy/beam ! Combined flux in latest and established models = 1.41023 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 32 components and 1.41023 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172111Jy sigma=0.001299 ! Fit after self-cal, rms=0.172104Jy sigma=0.001298 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 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=0.172104Jy sigma=0.001298 ! Fit after self-cal, rms=0.169733Jy sigma=0.001276 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.9018 mas, bmaj=2.72 mas, bpa=-2.15 degrees ! Estimated noise=1301.99 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00206439 Jy ! Component: 100 - total flux cleaned = -0.00224208 Jy ! Component: 150 - total flux cleaned = -0.00237917 Jy ! Component: 200 - total flux cleaned = -0.00237744 Jy ! Total flux subtracted in 200 components = -0.00237744 Jy ! Clean residual min=-0.015151 max=0.015246 Jy/beam ! Clean residual mean=-0.001043 rms=0.003775 Jy/beam ! Combined flux in latest and established models = 1.40785 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 32 components and 1.40785 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.169190Jy sigma=0.001274 ! Fit after self-cal, rms=0.169112Jy sigma=0.001274 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 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 (1.6, -2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00467661 Jy ! Component: 100 - total flux cleaned = 0.00381121 Jy ! Component: 150 - total flux cleaned = 0.00307383 Jy ! Component: 200 - total flux cleaned = 0.00207181 Jy ! Total flux subtracted in 200 components = 0.00207181 Jy ! Clean residual min=-0.012687 max=0.008620 Jy/beam ! Clean residual mean=-0.001127 rms=0.003167 Jy/beam ! Combined flux in latest and established models = 1.40992 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 49 components and 1.40992 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166057Jy sigma=0.001259 ! Fit after self-cal, rms=0.165803Jy sigma=0.001258 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 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=0.165803Jy sigma=0.001258 ! Fit after self-cal, rms=0.160690Jy sigma=0.001221 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.9002 mas, bmaj=2.713 mas, bpa=-2.132 degrees ! Estimated noise=1304.36 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0059219 Jy ! Component: 100 - total flux cleaned = 0.00592258 Jy ! Component: 150 - total flux cleaned = 0.00592703 Jy ! Component: 200 - total flux cleaned = 0.00604954 Jy ! Total flux subtracted in 200 components = 0.00604954 Jy ! Clean residual min=-0.007692 max=0.005169 Jy/beam ! Clean residual mean=-0.000033 rms=0.001864 Jy/beam ! Combined flux in latest and established models = 1.41597 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 68 components and 1.41597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160219Jy sigma=0.001218 ! Fit after self-cal, rms=0.160222Jy sigma=0.001218 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 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 = 0.00079294 Jy ! Component: 100 - total flux cleaned = 0.000905102 Jy ! Component: 150 - total flux cleaned = 0.00110259 Jy ! Component: 200 - total flux cleaned = 0.00110362 Jy ! Total flux subtracted in 200 components = 0.00110362 Jy ! Clean residual min=-0.007802 max=0.004955 Jy/beam ! Clean residual mean=-0.000075 rms=0.001822 Jy/beam ! Combined flux in latest and established models = 1.41707 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 71 components and 1.41707 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160044Jy sigma=0.001217 ! Fit after self-cal, rms=0.160033Jy sigma=0.001217 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 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=0.160033Jy sigma=0.001217 ! Fit after self-cal, rms=0.159756Jy sigma=0.001216 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=2.644 mas, bmaj=10.17 mas, bpa=-4.951 degrees ! Estimated noise=1573.36 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00292428 Jy ! Component: 100 - total flux cleaned = 0.00304903 Jy ! Component: 150 - total flux cleaned = 0.00316372 Jy ! Component: 200 - total flux cleaned = 0.00330731 Jy ! Total flux subtracted in 200 components = 0.00330731 Jy ! Clean residual min=-0.004672 max=0.004827 Jy/beam ! Clean residual mean=0.000058 rms=0.002120 Jy/beam ! Combined flux in latest and established models = 1.42038 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 78 components and 1.42038 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159746Jy sigma=0.001216 ! Fit after self-cal, rms=0.159721Jy sigma=0.001216 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 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 = 0.000310542 Jy ! Component: 100 - total flux cleaned = 0.000425191 Jy ! Component: 150 - total flux cleaned = 0.000526671 Jy ! Component: 200 - total flux cleaned = 0.000573537 Jy ! Total flux subtracted in 200 components = 0.000573537 Jy ! Clean residual min=-0.004941 max=0.004795 Jy/beam ! Clean residual mean=0.000031 rms=0.002122 Jy/beam ! Combined flux in latest and established models = 1.42095 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 82 components and 1.42095 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159711Jy sigma=0.001216 ! Fit after self-cal, rms=0.159695Jy sigma=0.001216 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 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 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.899 mas, bmaj=2.709 mas, bpa=-2.111 degrees ! Estimated noise=1303.65 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.899 x 2.709 at -2.111 degrees (North through East) ! Clean map min=-0.0081386 max=1.2569 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=0.159695Jy sigma=0.001216 ! Fit after self-cal, rms=0.139173Jy sigma=0.001046 ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.8984 mas, bmaj=2.707 mas, bpa=-2.143 degrees ! Estimated noise=1302.12 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00157289 Jy ! Component: 100 - total flux cleaned = 0.00156936 Jy ! Component: 150 - total flux cleaned = 0.00164225 Jy ! Component: 200 - total flux cleaned = 0.00170928 Jy ! Total flux subtracted in 200 components = 0.00170928 Jy ! Clean residual min=-0.006570 max=0.004847 Jy/beam ! Clean residual mean=0.000045 rms=0.001656 Jy/beam ! Combined flux in latest and established models = 1.42266 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 86 components and 1.42266 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139019Jy sigma=0.001045 ! Fit after self-cal, rms=0.139010Jy sigma=0.001045 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000122262 Jy ! Component: 100 - total flux cleaned = 5.5103e-05 Jy ! Component: 150 - total flux cleaned = 5.3389e-05 Jy ! Component: 200 - total flux cleaned = -3.70065e-06 Jy ! Total flux subtracted in 200 components = -3.70065e-06 Jy ! Clean residual min=-0.006525 max=0.004674 Jy/beam ! Clean residual mean=0.000045 rms=0.001639 Jy/beam ! Combined flux in latest and established models = 1.42266 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 91 components and 1.42266 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138923Jy sigma=0.001045 ! Fit after self-cal, rms=0.138919Jy sigma=0.001045 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138919Jy sigma=0.001045 ! Fit after self-cal, rms=0.138781Jy sigma=0.001044 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 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.6465 mas, bmaj=2.015 mas, bpa=-0.9829 degrees ! Estimated noise=1970.71 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.91749 Jy ! Component: 100 - total flux cleaned = 1.16402 Jy ! Component: 150 - total flux cleaned = 1.27548 Jy ! Component: 200 - total flux cleaned = 1.33525 Jy ! Total flux subtracted in 200 components = 1.33525 Jy ! Clean residual min=-0.016370 max=0.030158 Jy/beam ! Clean residual mean=0.001640 rms=0.006506 Jy/beam ! Combined flux in latest and established models = 1.33525 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 20 model components to the UV plane model. ! The established model now contains 20 components and 1.33525 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.8978 mas, bmaj=2.706 mas, bpa=-2.132 degrees ! Estimated noise=1301.59 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 = 0.0493018 Jy ! Component: 100 - total flux cleaned = 0.0711775 Jy ! Component: 150 - total flux cleaned = 0.0817278 Jy ! Component: 200 - total flux cleaned = 0.0837608 Jy ! Total flux subtracted in 200 components = 0.0837608 Jy ! Clean residual min=-0.006727 max=0.006398 Jy/beam ! Clean residual mean=0.000286 rms=0.001922 Jy/beam ! Combined flux in latest and established models = 1.41901 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 38 components and 1.41901 Jy ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 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 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=2.639 mas, bmaj=10.15 mas, bpa=-4.946 degrees ! Estimated noise=1573.62 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00221893 Jy ! Component: 100 - total flux cleaned = 0.00245854 Jy ! Component: 150 - total flux cleaned = 0.00265876 Jy ! Component: 200 - total flux cleaned = 0.00283585 Jy ! Total flux subtracted in 200 components = 0.00283585 Jy ! Clean residual min=-0.003687 max=0.004861 Jy/beam ! Clean residual mean=0.000273 rms=0.002026 Jy/beam ! Combined flux in latest and established models = 1.42185 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 = 0.000153796 Jy ! Component: 100 - total flux cleaned = 0.000295322 Jy ! Component: 150 - total flux cleaned = 0.000383477 Jy ! Component: 200 - total flux cleaned = 0.000505968 Jy ! Total flux subtracted in 200 components = 0.000505968 Jy ! Clean residual min=-0.003635 max=0.004876 Jy/beam ! Clean residual mean=0.000226 rms=0.002025 Jy/beam ! Combined flux in latest and established models = 1.42236 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 48 components and 1.42236 Jy ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.8978 mas, bmaj=2.706 mas, bpa=-2.132 degrees ! Estimated noise=1301.59 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000232258 Jy ! Component: 100 - total flux cleaned = -0.000510336 Jy ! Component: 150 - total flux cleaned = -0.000513813 Jy ! Component: 200 - total flux cleaned = -0.000624759 Jy ! Total flux subtracted in 200 components = -0.000624759 Jy ! Clean residual min=-0.006941 max=0.005104 Jy/beam ! Clean residual mean=0.000147 rms=0.001754 Jy/beam ! Combined flux in latest and established models = 1.42173 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 59 components and 1.42173 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139206Jy sigma=0.001047 ! Fit after self-cal, rms=0.139111Jy sigma=0.001047 wmodel J1147-3812_X_2008_04_02_pus_map.mod ! Writing 59 model components to file: J1147-3812_X_2008_04_02_pus_map.mod wobs J1147-3812_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1147-3812_X_2008_04_02_pus_uvs.fits wwins J1147-3812_X_2008_04_02_pus_map.win ! wwins: Wrote 2 windows to J1147-3812_X_2008_04_02_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00293371 Jy ! Component: 100 - total flux cleaned = -0.00304325 Jy ! Component: 150 - total flux cleaned = -0.00268265 Jy ! Component: 200 - total flux cleaned = -0.00209811 Jy ! Component: 250 - total flux cleaned = -0.00178429 Jy ! Component: 300 - total flux cleaned = -0.00148275 Jy ! Component: 350 - total flux cleaned = -0.00112582 Jy ! Component: 400 - total flux cleaned = -0.000856236 Jy ! Component: 450 - total flux cleaned = -0.000663119 Jy ! Component: 500 - total flux cleaned = -0.000416634 Jy ! Component: 550 - total flux cleaned = -0.000181467 Jy ! Component: 600 - total flux cleaned = -1.25135e-05 Jy ! Component: 650 - total flux cleaned = 0.000150893 Jy ! Component: 700 - total flux cleaned = 0.000360358 Jy ! Component: 750 - total flux cleaned = 0.000562355 Jy ! Component: 800 - total flux cleaned = 0.000757982 Jy ! Component: 850 - total flux cleaned = 0.000948221 Jy ! Component: 900 - total flux cleaned = 0.0011322 Jy ! Component: 950 - total flux cleaned = 0.00122156 Jy ! Component: 1000 - total flux cleaned = 0.00130934 Jy ! Total flux subtracted in 1024 components = 0.00135233 Jy ! Clean residual min=-0.002627 max=0.002156 Jy/beam ! Clean residual mean=0.000083 rms=0.000861 Jy/beam ! Combined flux in latest and established models = 1.42308 Jy keep ! Adding 52 model components to the UV plane model. ! The established model now contains 109 components and 1.42308 Jy wmap "J1147-3812_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8978 x 2.706 at -2.132 degrees (North through East) ! Clean map min=-0.005715 max=1.2518 Jy/beam ! Writing clean map to FITS file: J1147-3812_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.2518 invert ! Inverting map ! Your choice of large map pixels excluded 1.15% of the data. ! The x-axis pixel size should ideally be below 0.1923 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000861927 device "J1147-3812_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1147-3812_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.206565 0.206565 0.41313 0.82626 1.65252 3.30504 6.61008 13.2202 26.4403 52.8806 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.251 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8978 x 2.706 at -2.132 degrees (North through East) ! Clean map min=-0.005715 max=1.2518 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1147-3812_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1147-3812_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1147-3812_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 18:24:33 2010