! Started logfile: J1127-1857_X_1999_03_08_pus_uvs.log on Thu Jan 3 14:43:22 2008 obs J1127-1857_X_1999_03_08_pus_uva.fits ! Reading UV FITS file: J1127-1857_X_1999_03_08_pus_uva.fits ! AN table 1: 20 integrations on 190 of 190 possible baselines. ! AN table 2: 26 integrations on 190 of 190 possible baselines. ! AN table 3: 82 integrations on 190 of 190 possible baselines. ! AN table 4: 21 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.163229 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1127-1857 ! ! 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 2464 lines of history. ! ! Reading 18484 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 ![@muppet J1127-1857_X_1999_03_08_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 = 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 370 telescope corrections were flagged in sub-array 1. ! A total of 520 telescope corrections were flagged in sub-array 2. ! A total of 824 telescope corrections were flagged in sub-array 3. ! A total of 269 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 370 telescope corrections were flagged in sub-array 1. ! A total of 520 telescope corrections were flagged in sub-array 2. ! A total of 824 telescope corrections were flagged in sub-array 3. ! A total of 269 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 370 telescope corrections were flagged in sub-array 1. ! A total of 520 telescope corrections were flagged in sub-array 2. ! A total of 824 telescope corrections were flagged in sub-array 3. ! A total of 269 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 370 telescope corrections were flagged in sub-array 1. ! A total of 520 telescope corrections were flagged in sub-array 2. ! A total of 823 telescope corrections were flagged in sub-array 3. ! A total of 290 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.304968Jy sigma=0.010536 ! Fit after self-cal, rms=0.575155Jy sigma=0.004869 ! 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 0.534% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.6302 mas, bmaj=1.82 mas, bpa=-3.591 degrees ! Estimated noise=921.703 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 = 1.09234 Jy ! Component: 100 - total flux cleaned = 1.33888 Jy ! Total flux subtracted in 100 components = 1.33888 Jy ! Clean residual min=-0.028182 max=0.086751 Jy/beam ! Clean residual mean=-0.000140 rms=0.009809 Jy/beam ! Combined flux in latest and established models = 1.33888 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 1.33888 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.392702Jy sigma=0.002226 ! Fit after self-cal, rms=0.392750Jy sigma=0.002226 ! Inverting map ! Your choice of large map pixels excluded 0.534% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0975416 Jy ! Component: 100 - total flux cleaned = 0.151349 Jy ! Total flux subtracted in 100 components = 0.151349 Jy ! Clean residual min=-0.018927 max=0.026237 Jy/beam ! Clean residual mean=-0.000227 rms=0.005642 Jy/beam ! Combined flux in latest and established models = 1.49023 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 11 components and 1.49023 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.364622Jy sigma=0.001588 ! Fit after self-cal, rms=0.364837Jy sigma=0.001587 ! Inverting map ! Your choice of large map pixels excluded 0.534% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 0.534% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7726 mas, bmaj=2.324 mas, bpa=-6.348 degrees ! Estimated noise=588.951 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 = 0.0382407 Jy ! Component: 100 - total flux cleaned = 0.0561579 Jy ! Component: 150 - total flux cleaned = 0.0650282 Jy ! Component: 200 - total flux cleaned = 0.0690681 Jy ! Total flux subtracted in 200 components = 0.0690681 Jy ! Clean residual min=-0.019029 max=0.012682 Jy/beam ! Clean residual mean=-0.000683 rms=0.004328 Jy/beam ! Combined flux in latest and established models = 1.5593 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 29 components and 1.5593 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.362023Jy sigma=0.001483 ! Fit after self-cal, rms=0.362106Jy sigma=0.001483 ! Inverting map ! Your choice of large map pixels excluded 0.534% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.98 GC 1.00* GG 1.00* ! HN 1.02 KP 0.99 LA 0.99 NL 0.97 ! OV 0.98 PT 0.99 SC 1.01 WF 1.07 ! GN 1.04 HH 1.00* KK 1.04 MC 1.00* ! MK 0.99 NY 1.00* ON 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.19 FD 0.99 GC 1.00* GG 1.00* ! HN 1.00 KP 0.98 LA 0.99 NL 0.90 ! OV 0.98 PT 1.01 SC 0.98 WF 1.00 ! GN 0.99 HH 1.00* KK 1.00* MC 1.00* ! MK 1.00* NY 1.00* ON 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.99 GC 1.00* GG 1.00* ! HN 1.03 KP 1.00 LA 0.99 NL 0.95 ! OV 0.98 PT 0.98 SC 0.99 WF 1.09 ! GN 1.03 HH 1.00* KK 1.03 MC 1.00* ! MK 1.00 NY 1.00* ON 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.24 FD 0.98 GC 1.00* GG 1.00* ! HN 1.00 KP 0.99 LA 0.99 NL 0.87 ! OV 0.98 PT 1.01 SC 0.95 WF 1.04 ! GN 1.00 HH 1.00* KK 1.00* MC 1.00* ! MK 1.00* NY 1.00* ON 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.95 FD 0.99 GC 1.00* GG 1.00* ! HN 1.00 KP 0.99 LA 1.00 NL 0.94 ! OV 0.99 PT 0.99 SC 1.03 WF 1.07 ! GN 1.03 HH 1.00* KK 1.04 MC 1.00* ! MK 0.99 NY 1.00* ON 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.22 FD 0.98 GC 1.00* GG 1.00* ! HN 0.98 KP 1.00 LA 0.99 NL 1.00 ! OV 1.02 PT 1.04 SC 0.99 WF 1.04 ! GN 0.99 HH 1.00* KK 1.00* MC 1.00* ! MK 1.00* NY 1.00* ON 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.98 GC 1.00* GG 1.00* ! HN 1.02 KP 0.99 LA 0.99 NL 0.97 ! OV 0.99 PT 0.98 SC 1.01 WF 1.08 ! GN 1.01 HH 1.00* KK 1.03 MC 1.00* ! MK 0.99 NY 1.00* ON 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.25 FD 0.98 GC 1.00* GG 1.00* ! HN 1.00 KP 1.01 LA 0.98 NL 0.87 ! OV 1.01 PT 1.01 SC 0.98 WF 1.00* ! GN 0.98 HH 1.00* KK 1.00* MC 1.00* ! MK 1.00* NY 1.00* ON 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.362106Jy sigma=0.001483 ! Fit after self-cal, rms=0.358256Jy sigma=0.001314 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7757 mas, bmaj=2.318 mas, bpa=-6.291 degrees ! Estimated noise=590.958 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 = -0.000181994 Jy ! Component: 100 - total flux cleaned = -0.000326958 Jy ! Component: 150 - total flux cleaned = -0.000578947 Jy ! Component: 200 - total flux cleaned = -0.000925405 Jy ! Total flux subtracted in 200 components = -0.000925405 Jy ! Clean residual min=-0.010584 max=0.008361 Jy/beam ! Clean residual mean=0.000112 rms=0.002468 Jy/beam ! Combined flux in latest and established models = 1.55837 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 33 components and 1.55837 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.358159Jy sigma=0.001312 ! Fit after self-cal, rms=0.358281Jy sigma=0.001312 ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 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=0.358281Jy sigma=0.001312 ! Fit after self-cal, rms=0.350015Jy sigma=0.001267 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7765 mas, bmaj=2.321 mas, bpa=-6.235 degrees ! Estimated noise=591.576 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000496434 Jy ! Component: 100 - total flux cleaned = -0.000725313 Jy ! Component: 150 - total flux cleaned = -0.000859548 Jy ! Component: 200 - total flux cleaned = -0.000985162 Jy ! Total flux subtracted in 200 components = -0.000985162 Jy ! Clean residual min=-0.004800 max=0.004907 Jy/beam ! Clean residual mean=0.000204 rms=0.001415 Jy/beam ! Combined flux in latest and established models = 1.55739 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 42 components and 1.55739 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349998Jy sigma=0.001267 ! Fit after self-cal, rms=0.350011Jy sigma=0.001267 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 = -0.000194213 Jy ! Component: 100 - total flux cleaned = -0.000248991 Jy ! Component: 150 - total flux cleaned = -0.000299703 Jy ! Component: 200 - total flux cleaned = -0.000345957 Jy ! Total flux subtracted in 200 components = -0.000345957 Jy ! Clean residual min=-0.004755 max=0.004894 Jy/beam ! Clean residual mean=0.000207 rms=0.001399 Jy/beam ! Combined flux in latest and established models = 1.55704 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 43 components and 1.55704 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.350007Jy sigma=0.001267 ! Fit after self-cal, rms=0.350004Jy sigma=0.001267 ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 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=0.350004Jy sigma=0.001267 ! Fit after self-cal, rms=0.345286Jy sigma=0.001255 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.777 mas, bmaj=2.324 mas, bpa=-6.209 degrees ! Estimated noise=591.718 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000738127 Jy ! Component: 100 - total flux cleaned = -0.000914961 Jy ! Component: 150 - total flux cleaned = -0.000817884 Jy ! Component: 200 - total flux cleaned = -0.000771867 Jy ! Total flux subtracted in 200 components = -0.000771867 Jy ! Clean residual min=-0.003415 max=0.004097 Jy/beam ! Clean residual mean=0.000234 rms=0.001045 Jy/beam ! Combined flux in latest and established models = 1.55627 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 49 components and 1.55627 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.345259Jy sigma=0.001255 ! Fit after self-cal, rms=0.345271Jy sigma=0.001255 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 = 0.000129975 Jy ! Component: 100 - total flux cleaned = 8.75683e-05 Jy ! Component: 150 - total flux cleaned = 8.61251e-05 Jy ! Component: 200 - total flux cleaned = 0.000121424 Jy ! Total flux subtracted in 200 components = 0.000121424 Jy ! Clean residual min=-0.003379 max=0.004072 Jy/beam ! Clean residual mean=0.000233 rms=0.001039 Jy/beam ! Combined flux in latest and established models = 1.55639 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 49 components and 1.55639 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.345262Jy sigma=0.001255 ! Fit after self-cal, rms=0.345260Jy sigma=0.001255 ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 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=0.345260Jy sigma=0.001255 ! Fit after self-cal, rms=0.345235Jy sigma=0.001255 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=1.997 mas, bmaj=4.518 mas, bpa=1.884 degrees ! Estimated noise=763.409 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00221622 Jy ! Component: 100 - total flux cleaned = -0.00279398 Jy ! Component: 150 - total flux cleaned = -0.002838 Jy ! Component: 200 - total flux cleaned = -0.0028478 Jy ! Total flux subtracted in 200 components = -0.0028478 Jy ! Clean residual min=-0.003373 max=0.005567 Jy/beam ! Clean residual mean=0.000631 rms=0.001428 Jy/beam ! Combined flux in latest and established models = 1.55355 Jy selfcal ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 50 components and 1.55355 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.345219Jy sigma=0.001255 ! Fit after self-cal, rms=0.345216Jy sigma=0.001255 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 = -8.53348e-06 Jy ! Component: 100 - total flux cleaned = -1.27421e-05 Jy ! Component: 150 - total flux cleaned = -1.49095e-05 Jy ! Component: 200 - total flux cleaned = -2.60488e-05 Jy ! Total flux subtracted in 200 components = -2.60488e-05 Jy ! Clean residual min=-0.003375 max=0.005564 Jy/beam ! Clean residual mean=0.000631 rms=0.001425 Jy/beam ! Combined flux in latest and established models = 1.55352 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 50 components and 1.55352 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.345217Jy sigma=0.001255 ! Fit after self-cal, rms=0.345215Jy sigma=0.001255 ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7772 mas, bmaj=2.326 mas, bpa=-6.21 degrees ! Estimated noise=591.694 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7772 x 2.326 at -6.21 degrees (North through East) ! Clean map min=-0.0028405 max=1.439 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=0.345215Jy sigma=0.001255 ! Fit after self-cal, rms=0.968908Jy sigma=0.001154 ! Inverting map and beam ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7775 mas, bmaj=2.327 mas, bpa=-6.215 degrees ! Estimated noise=591.256 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000691393 Jy ! Component: 100 - total flux cleaned = -0.000731779 Jy ! Component: 150 - total flux cleaned = -0.000762706 Jy ! Component: 200 - total flux cleaned = -0.00079166 Jy ! Total flux subtracted in 200 components = -0.00079166 Jy ! Clean residual min=-0.003152 max=0.003642 Jy/beam ! Clean residual mean=0.000259 rms=0.000953 Jy/beam ! Combined flux in latest and established models = 1.55273 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 50 components and 1.55273 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.968894Jy sigma=0.001154 ! Fit after self-cal, rms=0.968890Jy sigma=0.001154 ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000102061 Jy ! Component: 100 - total flux cleaned = 7.21258e-05 Jy ! Component: 150 - total flux cleaned = 2.20995e-05 Jy ! Component: 200 - total flux cleaned = -1.96348e-07 Jy ! Total flux subtracted in 200 components = -1.96348e-07 Jy ! Clean residual min=-0.003124 max=0.003625 Jy/beam ! Clean residual mean=0.000259 rms=0.000949 Jy/beam ! Combined flux in latest and established models = 1.55273 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 52 components and 1.55273 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.968886Jy sigma=0.001153 ! Fit after self-cal, rms=0.968882Jy sigma=0.001153 ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.968882Jy sigma=0.001153 ! Fit after self-cal, rms=0.964993Jy sigma=0.001153 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 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.6357 mas, bmaj=1.829 mas, bpa=-3.392 degrees ! Estimated noise=926.623 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.0986 Jy ! Component: 100 - total flux cleaned = 1.3429 Jy ! Component: 150 - total flux cleaned = 1.43592 Jy ! Component: 200 - total flux cleaned = 1.48694 Jy ! Total flux subtracted in 200 components = 1.48694 Jy ! Clean residual min=-0.008457 max=0.024635 Jy/beam ! Clean residual mean=0.000073 rms=0.002928 Jy/beam ! Combined flux in latest and established models = 1.48694 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 8 model components to the UV plane model. ! The established model now contains 8 components and 1.48694 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7777 mas, bmaj=2.327 mas, bpa=-6.209 degrees ! Estimated noise=591.328 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 = 0.0345816 Jy ! Component: 100 - total flux cleaned = 0.0507386 Jy ! Component: 150 - total flux cleaned = 0.0585301 Jy ! Component: 200 - total flux cleaned = 0.0624096 Jy ! Total flux subtracted in 200 components = 0.0624096 Jy ! Clean residual min=-0.003511 max=0.003852 Jy/beam ! Clean residual mean=0.000292 rms=0.000972 Jy/beam ! Combined flux in latest and established models = 1.54935 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 22 components and 1.54935 Jy ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 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 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=1.997 mas, bmaj=4.522 mas, bpa=1.872 degrees ! Estimated noise=762.33 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158043 Jy ! Component: 100 - total flux cleaned = 0.00159202 Jy ! Component: 150 - total flux cleaned = 0.00155637 Jy ! Component: 200 - total flux cleaned = 0.00155541 Jy ! Total flux subtracted in 200 components = 0.00155541 Jy ! Clean residual min=-0.002936 max=0.005229 Jy/beam ! Clean residual mean=0.000695 rms=0.001350 Jy/beam ! Combined flux in latest and established models = 1.5509 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 = -4.35882e-06 Jy ! Component: 100 - total flux cleaned = -7.76192e-06 Jy ! Component: 150 - total flux cleaned = -2.40048e-05 Jy ! Component: 200 - total flux cleaned = -2.44694e-05 Jy ! Total flux subtracted in 200 components = -2.44694e-05 Jy ! Clean residual min=-0.002958 max=0.005253 Jy/beam ! Clean residual mean=0.000696 rms=0.001348 Jy/beam ! Combined flux in latest and established models = 1.55088 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 27 components and 1.55088 Jy ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! Estimated beam: bmin=0.7777 mas, bmaj=2.327 mas, bpa=-6.209 degrees ! Estimated noise=591.328 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.01436e-05 Jy ! Component: 100 - total flux cleaned = 0.000338189 Jy ! Component: 150 - total flux cleaned = 0.000689217 Jy ! Component: 200 - total flux cleaned = 0.000990861 Jy ! Total flux subtracted in 200 components = 0.000990861 Jy ! Clean residual min=-0.003022 max=0.003742 Jy/beam ! Clean residual mean=0.000268 rms=0.000964 Jy/beam ! Combined flux in latest and established models = 1.55187 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 34 components and 1.55187 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.964971Jy sigma=0.001155 ! Fit after self-cal, rms=0.964929Jy sigma=0.001155 wmodel J1127-1857_X_1999_03_08_pus_map.mod ! Writing 34 model components to file: J1127-1857_X_1999_03_08_pus_map.mod wobs J1127-1857_X_1999_03_08_pus_uvs.fits ! Writing UV FITS file: J1127-1857_X_1999_03_08_pus_uvs.fits wwins J1127-1857_X_1999_03_08_pus_map.win ! wwins: Wrote 1 windows to J1127-1857_X_1999_03_08_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 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.0016654 Jy ! Component: 100 - total flux cleaned = 0.00295711 Jy ! Component: 150 - total flux cleaned = 0.0037259 Jy ! Component: 200 - total flux cleaned = 0.00435438 Jy ! Component: 250 - total flux cleaned = 0.00500713 Jy ! Component: 300 - total flux cleaned = 0.00558523 Jy ! Component: 350 - total flux cleaned = 0.00595652 Jy ! Component: 400 - total flux cleaned = 0.00636219 Jy ! Component: 450 - total flux cleaned = 0.00684384 Jy ! Component: 500 - total flux cleaned = 0.00731176 Jy ! Component: 550 - total flux cleaned = 0.00768524 Jy ! Component: 600 - total flux cleaned = 0.00813093 Jy ! Component: 650 - total flux cleaned = 0.00848699 Jy ! Component: 700 - total flux cleaned = 0.00891375 Jy ! Component: 750 - total flux cleaned = 0.00937133 Jy ! Component: 800 - total flux cleaned = 0.009784 Jy ! Component: 850 - total flux cleaned = 0.0102641 Jy ! Component: 900 - total flux cleaned = 0.0106277 Jy ! Component: 950 - total flux cleaned = 0.0110579 Jy ! Component: 1000 - total flux cleaned = 0.0115168 Jy ! Total flux subtracted in 1024 components = 0.0116569 Jy ! Clean residual min=-0.001739 max=0.002475 Jy/beam ! Clean residual mean=0.000166 rms=0.000708 Jy/beam ! Combined flux in latest and established models = 1.56353 Jy keep ! Adding 68 model components to the UV plane model. ! The established model now contains 102 components and 1.56353 Jy ![Exited script file: muppet] wmap "J1127-1857_X_1999_03_08_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7777 x 2.327 at -6.209 degrees (North through East) ! Clean map min=-0.0020897 max=1.4398 Jy/beam ! Writing clean map to FITS file: J1127-1857_X_1999_03_08_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.43976 invert ! Inverting map ! Your choice of large map pixels excluded 0.54% of the data. ! The x-axis pixel size should ideally be below 0.1914 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000706478 device "J1127-1857_X_1999_03_08_pus\_map.eps/VPS" ! Attempting to open device: 'J1127-1857_X_1999_03_08_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.147207 0.147207 0.294415 0.58883 1.17766 2.35532 4.71064 9.42128 18.8426 37.6851 75.3702 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.439 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7777 x 2.327 at -6.209 degrees (North through East) ! Clean map min=-0.0020897 max=1.4398 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1127-1857_X_1999_03_08_pus\_map.gif/vgif" ! Attempting to open device: 'J1127-1857_X_1999_03_08_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1127-1857_X_1999_03_08_pus_uvs.log closed on Thu Jan 3 14:43:29 2008