! Started logfile: J1427+2348_X_2003_06_18_pus_uvs.log on Fri Jan 19 22:15:44 2007 obs J1427+2348_X_2003_06_18_pus_uve.fits ! Reading UV FITS file: J1427+2348_X_2003_06_18_pus_uve.fits ! AN table 1: 58 integrations on 153 of 153 possible baselines. ! AN table 2: 55 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.12586 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1427+2348 ! ! 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 2239 lines of history. ! ! Reading 8704 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 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 751 telescope corrections were flagged in sub-array 1. ! A total of 863 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 733 telescope corrections were flagged in sub-array 1. ! A total of 815 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 749 telescope corrections were flagged in sub-array 1. ! A total of 815 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 744 telescope corrections were flagged in sub-array 1. ! A total of 815 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.909006Jy sigma=17.768307 ! Fit after self-cal, rms=0.879460Jy sigma=17.433745 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Estimated beam: bmin=0.5557 mas, bmaj=1.258 mas, bpa=-1.392 degrees ! Estimated noise=1.19324 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 = 0.0904389 Jy ! Component: 100 - total flux cleaned = 0.114611 Jy ! Total flux subtracted in 100 components = 0.114611 Jy ! Clean residual min=-0.006499 max=0.011270 Jy/beam ! Clean residual mean=0.000039 rms=0.002406 Jy/beam ! Combined flux in latest and established models = 0.114611 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.114611 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088126Jy sigma=1.331402 ! Fit after self-cal, rms=0.087970Jy sigma=1.330400 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Estimated beam: bmin=0.8281 mas, bmaj=1.574 mas, bpa=0.0709 degrees ! Estimated noise=0.448462 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 (0.6, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0245301 Jy ! Component: 100 - total flux cleaned = 0.0387187 Jy ! Component: 150 - total flux cleaned = 0.0479657 Jy ! Component: 200 - total flux cleaned = 0.0544036 Jy ! Total flux subtracted in 200 components = 0.0544036 Jy ! Clean residual min=-0.002857 max=0.005799 Jy/beam ! Clean residual mean=0.000662 rms=0.001354 Jy/beam ! Combined flux in latest and established models = 0.169015 Jy ! Performing phase self-cal ! Adding 56 model components to the UV plane model. ! The established model now contains 63 components and 0.169015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082104Jy sigma=1.081448 ! Fit after self-cal, rms=0.081671Jy sigma=1.076030 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 GG 1.00* HN 0.97 ! KK 1.00* KP 0.95 LA 0.91 MA 1.00* ! MK 1.00 NL 1.08 ON 1.06 OV 0.96 ! PT 0.91 SC 1.04 TC 1.00* TS 1.00* ! WF 1.02 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GG 1.00* HN 1.00 ! KK 1.00* KP 1.00* LA 0.97 MA 1.00* ! MK 1.00* NL 1.00 ON 1.20 OV 1.00* ! PT 1.00* SC 0.99 TC 1.00* TS 1.00* ! WF 1.06 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.95 GG 1.00* HN 0.95 ! KK 1.00* KP 0.92 LA 0.93 MA 1.04 ! MK 1.02 NL 1.07 ON 1.04 OV 0.96 ! PT 0.92 SC 1.02 TC 1.00* TS 0.57 ! WF 1.13 WZ 1.17 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GG 1.00* HN 0.96 ! KK 1.00* KP 1.00* LA 1.01 MA 1.04 ! MK 1.00* NL 0.95 ON 1.00 OV 1.00* ! PT 1.00* SC 1.05 TC 1.00* TS 0.96 ! WF 0.92 WZ 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.96 GG 1.00* HN 0.97 ! KK 1.00* KP 0.97 LA 0.96 MA 1.27 ! MK 1.05 NL 1.04 ON 1.00 OV 1.01 ! PT 0.97 SC 1.05 TC 1.00* TS 0.87 ! WF 1.01 WZ 0.86 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GG 1.00* HN 0.97 ! KK 1.00* KP 1.00* LA 1.07 MA 0.92 ! MK 1.00* NL 0.94 ON 0.80 OV 1.00* ! PT 1.00* SC 1.00 TC 1.00* TS 1.12 ! WF 0.92 WZ 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.91 GG 1.00* HN 1.02 ! KK 1.00* KP 0.93 LA 0.88 MA 0.93 ! MK 1.12 NL 1.09 ON 0.96 OV 0.97 ! PT 0.99 SC 1.04 TC 1.00* TS 1.00 ! WF 1.06 WZ 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GG 1.00* HN 1.13 ! KK 1.00* KP 1.00* LA 0.97 MA 0.77 ! MK 1.00* NL 0.98 ON 1.07 OV 1.00* ! PT 1.00* SC 1.07 TC 1.00* TS 0.97 ! WF 0.88 WZ 0.96 ! ! ! Fit before self-cal, rms=0.081671Jy sigma=1.076030 ! Fit after self-cal, rms=0.082297Jy sigma=1.046353 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Estimated beam: bmin=0.8367 mas, bmaj=1.602 mas, bpa=-0.1882 degrees ! Estimated noise=0.439315 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 (3.6, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00394885 Jy ! Component: 100 - total flux cleaned = 0.00604657 Jy ! Component: 150 - total flux cleaned = 0.00740643 Jy ! Component: 200 - total flux cleaned = 0.00810369 Jy ! Total flux subtracted in 200 components = 0.00810369 Jy ! Clean residual min=-0.001196 max=0.002329 Jy/beam ! Clean residual mean=0.000409 rms=0.000512 Jy/beam ! Combined flux in latest and established models = 0.177118 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 87 components and 0.177118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082063Jy sigma=1.040882 ! Fit after self-cal, rms=0.082043Jy sigma=1.040200 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 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=0.082043Jy sigma=1.040200 ! Fit after self-cal, rms=0.082585Jy sigma=1.039605 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Estimated beam: bmin=0.8368 mas, bmaj=1.602 mas, bpa=-0.165 degrees ! Estimated noise=0.438907 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00109414 Jy ! Component: 100 - total flux cleaned = 0.00172462 Jy ! Component: 150 - total flux cleaned = 0.00202613 Jy ! Component: 200 - total flux cleaned = 0.0022638 Jy ! Total flux subtracted in 200 components = 0.0022638 Jy ! Clean residual min=-0.001184 max=0.002097 Jy/beam ! Clean residual mean=0.000353 rms=0.000477 Jy/beam ! Combined flux in latest and established models = 0.179382 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 100 components and 0.179382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082521Jy sigma=1.038824 ! Fit after self-cal, rms=0.082500Jy sigma=1.038663 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 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 (5.2, 5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0020437 Jy ! Component: 100 - total flux cleaned = 0.00300538 Jy ! Component: 150 - total flux cleaned = 0.00365848 Jy ! Component: 200 - total flux cleaned = 0.00388271 Jy ! Total flux subtracted in 200 components = 0.00388271 Jy ! Clean residual min=-0.001038 max=0.001985 Jy/beam ! Clean residual mean=0.000295 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.183265 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 111 components and 0.183265 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082413Jy sigma=1.037223 ! Fit after self-cal, rms=0.082404Jy sigma=1.037078 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Added new window around map position (-9.4, 7.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153313 Jy ! Component: 100 - total flux cleaned = 0.00223142 Jy ! Component: 150 - total flux cleaned = 0.00273038 Jy ! Component: 200 - total flux cleaned = 0.00308411 Jy ! Total flux subtracted in 200 components = 0.00308411 Jy ! Clean residual min=-0.000942 max=0.001781 Jy/beam ! Clean residual mean=0.000236 rms=0.000383 Jy/beam ! Combined flux in latest and established models = 0.186349 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 126 components and 0.186349 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082341Jy sigma=1.035879 ! Fit after self-cal, rms=0.082347Jy sigma=1.035797 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Added new window around map position (3.2, 8.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108295 Jy ! Component: 100 - total flux cleaned = 0.00154561 Jy ! Component: 150 - total flux cleaned = 0.00208186 Jy ! Component: 200 - total flux cleaned = 0.00237019 Jy ! Total flux subtracted in 200 components = 0.00237019 Jy ! Clean residual min=-0.000955 max=0.001673 Jy/beam ! Clean residual mean=0.000202 rms=0.000362 Jy/beam ! Combined flux in latest and established models = 0.188719 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 142 components and 0.188719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082294Jy sigma=1.034839 ! Fit after self-cal, rms=0.082295Jy sigma=1.034784 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Added new window around map position (10.4, 6.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00137055 Jy ! Component: 100 - total flux cleaned = 0.00199287 Jy ! Component: 150 - total flux cleaned = 0.00237627 Jy ! Component: 200 - total flux cleaned = 0.00265341 Jy ! Total flux subtracted in 200 components = 0.00265341 Jy ! Clean residual min=-0.000949 max=0.001695 Jy/beam ! Clean residual mean=0.000168 rms=0.000344 Jy/beam ! Combined flux in latest and established models = 0.191373 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 160 components and 0.191373 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082254Jy sigma=1.034055 ! Fit after self-cal, rms=0.082253Jy sigma=1.034018 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Added new window around map position (-11.8, -10.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000858025 Jy ! Component: 100 - total flux cleaned = 0.00113626 Jy ! Component: 150 - total flux cleaned = 0.00140166 Jy ! Component: 200 - total flux cleaned = 0.00172897 Jy ! Total flux subtracted in 200 components = 0.00172897 Jy ! Clean residual min=-0.000876 max=0.001504 Jy/beam ! Clean residual mean=0.000146 rms=0.000333 Jy/beam ! Combined flux in latest and established models = 0.193102 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 173 components and 0.193102 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082184Jy sigma=1.033459 ! Fit after self-cal, rms=0.082179Jy sigma=1.033394 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Added new window around map position (-4.4, -10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000752969 Jy ! Component: 100 - total flux cleaned = 0.00136053 Jy ! Component: 150 - total flux cleaned = 0.00172767 Jy ! Component: 200 - total flux cleaned = 0.00204568 Jy ! Total flux subtracted in 200 components = 0.00204568 Jy ! Clean residual min=-0.000885 max=0.001156 Jy/beam ! Clean residual mean=0.000116 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.195147 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 187 components and 0.195147 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082132Jy sigma=1.032724 ! Fit after self-cal, rms=0.082126Jy sigma=1.032688 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 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=0.082126Jy sigma=1.032688 ! Fit after self-cal, rms=0.081828Jy sigma=1.032369 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Estimated beam: bmin=0.8363 mas, bmaj=1.602 mas, bpa=-0.1916 degrees ! Estimated noise=0.436892 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000681113 Jy ! Component: 100 - total flux cleaned = 0.00125284 Jy ! Component: 150 - total flux cleaned = 0.00164604 Jy ! Component: 200 - total flux cleaned = 0.00201939 Jy ! Total flux subtracted in 200 components = 0.00201939 Jy ! Clean residual min=-0.000893 max=0.001265 Jy/beam ! Clean residual mean=0.000130 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.197167 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 191 components and 0.197167 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081794Jy sigma=1.032092 ! Fit after self-cal, rms=0.081795Jy sigma=1.032080 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 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 = 0.00039486 Jy ! Component: 100 - total flux cleaned = 0.000645878 Jy ! Component: 150 - total flux cleaned = 0.000888019 Jy ! Component: 200 - total flux cleaned = 0.0011221 Jy ! Total flux subtracted in 200 components = 0.0011221 Jy ! Clean residual min=-0.000902 max=0.001228 Jy/beam ! Clean residual mean=0.000113 rms=0.000290 Jy/beam ! Combined flux in latest and established models = 0.198289 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 199 components and 0.198289 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081774Jy sigma=1.031863 ! Fit after self-cal, rms=0.081771Jy sigma=1.031858 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 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=0.081771Jy sigma=1.031858 ! Fit after self-cal, rms=0.081671Jy sigma=1.031817 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Estimated beam: bmin=2.092 mas, bmaj=2.848 mas, bpa=1.35 degrees ! Estimated noise=0.531747 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00107585 Jy ! Component: 100 - total flux cleaned = 0.00179388 Jy ! Component: 150 - total flux cleaned = 0.00221311 Jy ! Component: 200 - total flux cleaned = 0.00259458 Jy ! Total flux subtracted in 200 components = 0.00259458 Jy ! Clean residual min=-0.000763 max=0.001311 Jy/beam ! Clean residual mean=0.000208 rms=0.000343 Jy/beam ! Combined flux in latest and established models = 0.200883 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 214 components and 0.200883 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081663Jy sigma=1.031635 ! Fit after self-cal, rms=0.081660Jy sigma=1.031604 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 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 = 0.000490703 Jy ! Component: 100 - total flux cleaned = 0.000810953 Jy ! Component: 150 - total flux cleaned = 0.00108822 Jy ! Component: 200 - total flux cleaned = 0.00129518 Jy ! Total flux subtracted in 200 components = 0.00129518 Jy ! Clean residual min=-0.000764 max=0.001309 Jy/beam ! Clean residual mean=0.000165 rms=0.000333 Jy/beam ! Combined flux in latest and established models = 0.202179 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 222 components and 0.202179 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081652Jy sigma=1.031545 ! Fit after self-cal, rms=0.081651Jy sigma=1.031535 ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Estimated beam: bmin=0.8364 mas, bmaj=1.602 mas, bpa=-0.2103 degrees ! Estimated noise=0.436207 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8364 x 1.602 at -0.2103 degrees (North through East) ! Clean map min=-0.0011092 max=0.1233 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 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Estimated beam: bmin=0.5501 mas, bmaj=1.278 mas, bpa=-1.529 degrees ! Estimated noise=1.16431 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0880587 Jy ! Component: 100 - total flux cleaned = 0.112863 Jy ! Component: 150 - total flux cleaned = 0.126452 Jy ! Component: 200 - total flux cleaned = 0.13568 Jy ! Total flux subtracted in 200 components = 0.13568 Jy ! Clean residual min=-0.004744 max=0.006359 Jy/beam ! Clean residual mean=0.000040 rms=0.001543 Jy/beam ! Combined flux in latest and established models = 0.13568 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.13568 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Estimated beam: bmin=0.8364 mas, bmaj=1.602 mas, bpa=-0.2103 degrees ! Estimated noise=0.436207 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 = 0.0131581 Jy ! Component: 100 - total flux cleaned = 0.0210031 Jy ! Component: 150 - total flux cleaned = 0.0263414 Jy ! Component: 200 - total flux cleaned = 0.0303816 Jy ! Total flux subtracted in 200 components = 0.0303816 Jy ! Clean residual min=-0.001803 max=0.002853 Jy/beam ! Clean residual mean=0.000619 rms=0.000734 Jy/beam ! Combined flux in latest and established models = 0.166062 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 65 components and 0.166062 Jy ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Estimated beam: bmin=2.092 mas, bmaj=2.848 mas, bpa=1.35 degrees ! Estimated noise=0.531747 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.005885 Jy ! Component: 100 - total flux cleaned = 0.00981853 Jy ! Component: 150 - total flux cleaned = 0.0128927 Jy ! Component: 200 - total flux cleaned = 0.0154382 Jy ! Total flux subtracted in 200 components = 0.0154382 Jy ! Clean residual min=-0.000445 max=0.002436 Jy/beam ! Clean residual mean=0.000934 rms=0.000473 Jy/beam ! Combined flux in latest and established models = 0.1815 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) ! Added new window around map position (3.2, -12.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00258073 Jy ! Component: 100 - total flux cleaned = 0.00462807 Jy ! Component: 150 - total flux cleaned = 0.00643798 Jy ! Component: 200 - total flux cleaned = 0.00805694 Jy ! Total flux subtracted in 200 components = 0.00805694 Jy ! Clean residual min=-0.000418 max=0.001738 Jy/beam ! Clean residual mean=0.000634 rms=0.000352 Jy/beam ! Combined flux in latest and established models = 0.189557 Jy ! Adding 79 model components to the UV plane model. ! The established model now contains 133 components and 0.189557 Jy ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Added new window around map position (-5.4, 11.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00169249 Jy ! Component: 100 - total flux cleaned = 0.0030821 Jy ! Component: 150 - total flux cleaned = 0.00434049 Jy ! Component: 200 - total flux cleaned = 0.00548761 Jy ! Total flux subtracted in 200 components = 0.00548761 Jy ! Clean residual min=-0.000366 max=0.001422 Jy/beam ! Clean residual mean=0.000434 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.195045 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 156 components and 0.195045 Jy ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Added new window around map position (-3.2, -6.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00139488 Jy ! Component: 100 - total flux cleaned = 0.0024437 Jy ! Component: 150 - total flux cleaned = 0.00338934 Jy ! Component: 200 - total flux cleaned = 0.00425185 Jy ! Total flux subtracted in 200 components = 0.00425185 Jy ! Clean residual min=-0.000440 max=0.001015 Jy/beam ! Clean residual mean=0.000278 rms=0.000230 Jy/beam ! Combined flux in latest and established models = 0.199296 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 183 components and 0.199297 Jy ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Added new window around map position (12.6, -10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00104704 Jy ! Component: 100 - total flux cleaned = 0.00183729 Jy ! Component: 150 - total flux cleaned = 0.00255314 Jy ! Component: 200 - total flux cleaned = 0.00321036 Jy ! Total flux subtracted in 200 components = 0.00321036 Jy ! Clean residual min=-0.000536 max=0.000709 Jy/beam ! Clean residual mean=0.000161 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.202507 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 206 components and 0.202507 Jy ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! Estimated beam: bmin=0.8364 mas, bmaj=1.602 mas, bpa=-0.2103 degrees ! Estimated noise=0.436207 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000799602 Jy ! Component: 100 - total flux cleaned = 0.00138089 Jy ! Component: 150 - total flux cleaned = 0.00182706 Jy ! Component: 200 - total flux cleaned = 0.00203568 Jy ! Total flux subtracted in 200 components = 0.00203568 Jy ! Clean residual min=-0.001138 max=0.001252 Jy/beam ! Clean residual mean=0.000036 rms=0.000308 Jy/beam ! Combined flux in latest and established models = 0.204543 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 240 components and 0.204543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081803Jy sigma=1.033566 ! Fit after self-cal, rms=0.081763Jy sigma=1.033208 wmodel J1427+2348_X_2003_06_18_pus_map.mod ! Writing 240 model components to file: J1427+2348_X_2003_06_18_pus_map.mod wobs J1427+2348_X_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J1427+2348_X_2003_06_18_pus_uvs.fits wwins J1427+2348_X_2003_06_18_pus_map.win ! wwins: Wrote 13 windows to J1427+2348_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 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000425497 Jy ! Component: 100 - total flux cleaned = 0.00046257 Jy ! Component: 150 - total flux cleaned = 0.000427343 Jy ! Component: 200 - total flux cleaned = 0.000443651 Jy ! Component: 250 - total flux cleaned = 0.000443639 Jy ! Component: 300 - total flux cleaned = 0.000507228 Jy ! Component: 350 - total flux cleaned = 0.000553539 Jy ! Component: 400 - total flux cleaned = 0.00056859 Jy ! Component: 450 - total flux cleaned = 0.000612546 Jy ! Component: 500 - total flux cleaned = 0.0006268 Jy ! Component: 550 - total flux cleaned = 0.00065524 Jy ! Component: 600 - total flux cleaned = 0.000683302 Jy ! Component: 650 - total flux cleaned = 0.00072441 Jy ! Component: 700 - total flux cleaned = 0.000751393 Jy ! Component: 750 - total flux cleaned = 0.000764547 Jy ! Component: 800 - total flux cleaned = 0.000803957 Jy ! Component: 850 - total flux cleaned = 0.000816789 Jy ! Component: 900 - total flux cleaned = 0.000816745 Jy ! Component: 950 - total flux cleaned = 0.000854683 Jy ! Component: 1000 - total flux cleaned = 0.000854808 Jy ! Total flux subtracted in 1024 components = 0.000842427 Jy ! Clean residual min=-0.000675 max=0.000897 Jy/beam ! Clean residual mean=0.000029 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.205385 Jy keep ! Adding 61 model components to the UV plane model. ! The established model now contains 298 components and 0.205385 Jy wmap "J1427+2348_X_2003_06_18_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8364 x 1.602 at -0.2103 degrees (North through East) ! Clean map min=-0.00095725 max=0.12333 Jy/beam ! Writing clean map to FITS file: J1427+2348_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 0.123325 invert ! Inverting map ! Your choice of large map pixels excluded 2.06% of the data. ! The x-axis pixel size should ideally be below 0.1554 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000243769 device "J1427+2348_X_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J1427+2348_X_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.59299 0.59299 1.18598 2.37196 4.74392 9.48784 18.9757 37.9514 75.9027 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.123 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8364 x 1.602 at -0.2103 degrees (North through East) ! Clean map min=-0.00095725 max=0.12333 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1427+2348_X_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J1427+2348_X_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1427+2348_X_2003_06_18_pus_uvs.log closed on Fri Jan 19 22:16:22 2007