! Started logfile: J1557-0001_X_2000_03_13_pus_uvs.log on Mon Apr 1 13:01:04 2013 obs J1557-0001_X_2000_03_13_pus_uva.fits ! Reading UV FITS file: J1557-0001_X_2000_03_13_pus_uva.fits ! AN table 1: 21 integrations on 190 of 190 possible baselines. ! AN table 2: 126 integrations on 190 of 190 possible baselines. ! AN table 3: 8 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.118981 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1557-0001 ! ! 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 2382 lines of history. ! ! Reading 14016 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1557-0001_X_2000_03_13_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 275 telescope corrections were flagged in sub-array 1. ! A total of 1837 telescope corrections were flagged in sub-array 2. ! A total of 160 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 275 telescope corrections were flagged in sub-array 1. ! A total of 1837 telescope corrections were flagged in sub-array 2. ! A total of 160 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 275 telescope corrections were flagged in sub-array 1. ! A total of 1837 telescope corrections were flagged in sub-array 2. ! A total of 160 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 275 telescope corrections were flagged in sub-array 1. ! A total of 1837 telescope corrections were flagged in sub-array 2. ! A total of 160 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.865227Jy sigma=0.005407 ! Fit after self-cal, rms=0.698744Jy sigma=0.003495 ! 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 0.476% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=0.6402 mas, bmaj=1.552 mas, bpa=-2.681 degrees ! Estimated noise=895.643 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 = 0.491269 Jy ! Component: 100 - total flux cleaned = 0.609076 Jy ! Total flux subtracted in 100 components = 0.609076 Jy ! Clean residual min=-0.013511 max=0.047893 Jy/beam ! Clean residual mean=0.000022 rms=0.004128 Jy/beam ! Combined flux in latest and established models = 0.609076 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.609076 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.600004Jy sigma=0.001493 ! Fit after self-cal, rms=0.600080Jy sigma=0.001493 ! Inverting map ! Your choice of large map pixels excluded 0.476% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0518614 Jy ! Component: 100 - total flux cleaned = 0.078659 Jy ! Total flux subtracted in 100 components = 0.078659 Jy ! Clean residual min=-0.007904 max=0.014879 Jy/beam ! Clean residual mean=0.000013 rms=0.002303 Jy/beam ! Combined flux in latest and established models = 0.687735 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 20 components and 0.687735 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.596332Jy sigma=0.001282 ! Fit after self-cal, rms=0.596413Jy sigma=0.001281 ! Inverting map ! Your choice of large map pixels excluded 0.476% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Added new window around map position (1.2, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0172527 Jy ! Component: 100 - total flux cleaned = 0.0292258 Jy ! Total flux subtracted in 100 components = 0.0292258 Jy ! Clean residual min=-0.007100 max=0.008809 Jy/beam ! Clean residual mean=0.000011 rms=0.001956 Jy/beam ! Combined flux in latest and established models = 0.716961 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 34 components and 0.716961 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.595919Jy sigma=0.001249 ! Fit after self-cal, rms=0.595899Jy sigma=0.001248 ! Inverting map ! Your choice of large map pixels excluded 0.476% of the data. ! The x-axis pixel size should ideally be below 0.1895 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 0.476% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=0.7233 mas, bmaj=1.658 mas, bpa=-6.019 degrees ! Estimated noise=721.35 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 = 0.0120487 Jy ! Component: 100 - total flux cleaned = 0.0195096 Jy ! Component: 150 - total flux cleaned = 0.0242407 Jy ! Component: 200 - total flux cleaned = 0.0272851 Jy ! Total flux subtracted in 200 components = 0.0272851 Jy ! Clean residual min=-0.006568 max=0.006993 Jy/beam ! Clean residual mean=0.000015 rms=0.001744 Jy/beam ! Combined flux in latest and established models = 0.744246 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 48 components and 0.744246 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.595776Jy sigma=0.001235 ! Fit after self-cal, rms=0.595765Jy sigma=0.001234 ! Inverting map ! Your choice of large map pixels excluded 0.476% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.96 GC 1.04 KP 1.04 ! LA 1.01 NL 1.08 OV 1.00 PT 1.00* ! SC 1.00* WF 1.00* HH 1.00* KK 1.05 ! MA 1.00* MC 1.00* MK 0.98 NY 1.00* ! ON 1.00* TS 0.99 WZ 1.00* HN 1.00* ! ! A total of 132 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.96 GC 1.03 KP 1.03 ! LA 1.00 NL 0.99 OV 0.98 PT 1.02 ! SC 0.99 WF 1.06 HH 1.00* KK 1.01 ! MA 1.00* MC 1.00* MK 0.98 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 0.87 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 GC 1.02 KP 0.99 ! LA 0.97 NL 1.09 OV 1.00 PT 1.00* ! SC 1.00* WF 1.00* HH 1.00* KK 1.01 ! MA 1.00* MC 1.00* MK 1.03 NY 1.00* ! ON 1.00* TS 1.00 WZ 1.00* HN 1.00* ! ! A total of 132 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.95 GC 1.00 KP 0.98 ! LA 0.96 NL 1.03 OV 0.95 PT 0.99 ! SC 0.97 WF 1.04 HH 1.00* KK 1.02 ! MA 1.00* MC 1.00* MK 1.03 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 0.88 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 GC 1.03 KP 1.02 ! LA 1.00 NL 1.03 OV 1.03 PT 1.00* ! SC 1.00* WF 1.00* HH 1.00* KK 1.01 ! MA 1.00* MC 1.00* MK 1.01 NY 1.00* ! ON 1.00* TS 1.05 WZ 1.00* HN 1.00* ! ! A total of 132 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.99 GC 1.02 KP 1.01 ! LA 0.95 NL 0.98 OV 0.98 PT 1.02 ! SC 1.00 WF 1.06 HH 1.00* KK 1.00 ! MA 1.00* MC 1.00* MK 1.01 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 GC 1.06 KP 1.02 ! LA 1.00 NL 1.06 OV 1.03 PT 1.00* ! SC 1.00* WF 1.00* HH 1.00* KK 1.00 ! MA 1.00* MC 1.00* MK 1.01 NY 1.00* ! ON 1.00* TS 1.02 WZ 1.00* HN 1.00* ! ! A total of 132 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 GC 1.01 KP 1.00 ! LA 0.96 NL 0.99 OV 0.98 PT 1.02 ! SC 1.06 WF 1.10 HH 1.00* KK 1.02 ! MA 1.00* MC 1.00* MK 1.02 NY 1.00* ! ON 1.00* TS 1.00* WZ 1.00* HN 0.96 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Fit before self-cal, rms=0.595765Jy sigma=0.001234 ! Fit after self-cal, rms=0.572689Jy sigma=0.001214 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=0.7294 mas, bmaj=1.709 mas, bpa=-4.94 degrees ! Estimated noise=730.684 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 = -0.0022104 Jy ! Component: 100 - total flux cleaned = -0.0027155 Jy ! Component: 150 - total flux cleaned = -0.00296298 Jy ! Component: 200 - total flux cleaned = -0.00310091 Jy ! Total flux subtracted in 200 components = -0.00310091 Jy ! Clean residual min=-0.004730 max=0.005011 Jy/beam ! Clean residual mean=-0.000024 rms=0.001226 Jy/beam ! Combined flux in latest and established models = 0.741145 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 56 components and 0.741146 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.572629Jy sigma=0.001213 ! Fit after self-cal, rms=0.572919Jy sigma=0.001213 ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 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=0.572919Jy sigma=0.001213 ! Fit after self-cal, rms=0.627590Jy sigma=0.001202 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=0.7305 mas, bmaj=1.711 mas, bpa=-4.958 degrees ! Estimated noise=730.589 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00166194 Jy ! Component: 100 - total flux cleaned = -0.00233994 Jy ! Component: 150 - total flux cleaned = -0.00251515 Jy ! Component: 200 - total flux cleaned = -0.00256542 Jy ! Total flux subtracted in 200 components = -0.00256542 Jy ! Clean residual min=-0.003934 max=0.004141 Jy/beam ! Clean residual mean=-0.000042 rms=0.001034 Jy/beam ! Combined flux in latest and established models = 0.73858 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 59 components and 0.73858 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.627565Jy sigma=0.001202 ! Fit after self-cal, rms=0.627683Jy sigma=0.001201 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 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 = -0.00018102 Jy ! Component: 100 - total flux cleaned = -0.000180492 Jy ! Component: 150 - total flux cleaned = -0.000180509 Jy ! Component: 200 - total flux cleaned = -0.000214769 Jy ! Total flux subtracted in 200 components = -0.000214769 Jy ! Clean residual min=-0.003939 max=0.004096 Jy/beam ! Clean residual mean=-0.000043 rms=0.001029 Jy/beam ! Combined flux in latest and established models = 0.738365 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 63 components and 0.738365 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.627668Jy sigma=0.001201 ! Fit after self-cal, rms=0.627667Jy sigma=0.001201 ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 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=0.627667Jy sigma=0.001201 ! Fit after self-cal, rms=0.629919Jy sigma=0.001201 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=0.7316 mas, bmaj=1.712 mas, bpa=-4.966 degrees ! Estimated noise=730.806 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00150805 Jy ! Component: 100 - total flux cleaned = -0.00169435 Jy ! Component: 150 - total flux cleaned = -0.00181735 Jy ! Component: 200 - total flux cleaned = -0.00185417 Jy ! Total flux subtracted in 200 components = -0.00185417 Jy ! Clean residual min=-0.003960 max=0.004137 Jy/beam ! Clean residual mean=-0.000043 rms=0.001018 Jy/beam ! Combined flux in latest and established models = 0.736511 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 63 components and 0.736511 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.629897Jy sigma=0.001201 ! Fit after self-cal, rms=0.629921Jy sigma=0.001201 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 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 = -0.000114913 Jy ! Component: 100 - total flux cleaned = -0.000179609 Jy ! Component: 150 - total flux cleaned = -0.000180249 Jy ! Component: 200 - total flux cleaned = -0.000209007 Jy ! Total flux subtracted in 200 components = -0.000209007 Jy ! Clean residual min=-0.003956 max=0.004114 Jy/beam ! Clean residual mean=-0.000044 rms=0.001015 Jy/beam ! Combined flux in latest and established models = 0.736302 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 63 components and 0.736302 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.629909Jy sigma=0.001201 ! Fit after self-cal, rms=0.629907Jy sigma=0.001201 ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 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=0.629907Jy sigma=0.001201 ! Fit after self-cal, rms=0.630834Jy sigma=0.001201 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=2.196 mas, bmaj=3.068 mas, bpa=9.905 degrees ! Estimated noise=946.453 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000552843 Jy ! Component: 100 - total flux cleaned = -0.000716037 Jy ! Component: 150 - total flux cleaned = -0.000797517 Jy ! Component: 200 - total flux cleaned = -0.000864193 Jy ! Total flux subtracted in 200 components = -0.000864193 Jy ! Clean residual min=-0.005016 max=0.007110 Jy/beam ! Clean residual mean=-0.000124 rms=0.001577 Jy/beam ! Combined flux in latest and established models = 0.735438 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 71 components and 0.735438 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.630843Jy sigma=0.001201 ! Fit after self-cal, rms=0.630842Jy sigma=0.001201 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 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 (3.6, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00641607 Jy ! Component: 100 - total flux cleaned = 0.00941172 Jy ! Component: 150 - total flux cleaned = 0.0110685 Jy ! Component: 200 - total flux cleaned = 0.0115446 Jy ! Total flux subtracted in 200 components = 0.0115446 Jy ! Clean residual min=-0.004060 max=0.004338 Jy/beam ! Clean residual mean=-0.000135 rms=0.001189 Jy/beam ! Combined flux in latest and established models = 0.746983 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 115 components and 0.746983 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.630884Jy sigma=0.001199 ! Fit after self-cal, rms=0.630835Jy sigma=0.001199 ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 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 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=0.7324 mas, bmaj=1.714 mas, bpa=-4.985 degrees ! Estimated noise=731.002 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7324 x 1.714 at -4.985 degrees (North through East) ! Clean map min=-0.0030428 max=0.64254 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=0.630835Jy sigma=0.001199 ! Fit after self-cal, rms=0.958475Jy sigma=0.001129 ! Inverting map and beam ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=0.7334 mas, bmaj=1.717 mas, bpa=-5.03 degrees ! Estimated noise=730.416 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00110131 Jy ! Component: 100 - total flux cleaned = 0.000919464 Jy ! Component: 150 - total flux cleaned = 0.000837273 Jy ! Component: 200 - total flux cleaned = 0.000986458 Jy ! Total flux subtracted in 200 components = 0.000986458 Jy ! Clean residual min=-0.003393 max=0.003269 Jy/beam ! Clean residual mean=-0.000053 rms=0.000849 Jy/beam ! Combined flux in latest and established models = 0.747969 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 146 components and 0.747969 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.958428Jy sigma=0.001128 ! Fit after self-cal, rms=0.958411Jy sigma=0.001128 ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.08383e-05 Jy ! Component: 100 - total flux cleaned = 0.000279163 Jy ! Component: 150 - total flux cleaned = 0.000347841 Jy ! Component: 200 - total flux cleaned = 0.000537499 Jy ! Total flux subtracted in 200 components = 0.000537499 Jy ! Clean residual min=-0.003363 max=0.003292 Jy/beam ! Clean residual mean=-0.000053 rms=0.000837 Jy/beam ! Combined flux in latest and established models = 0.748507 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 160 components and 0.748507 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.958381Jy sigma=0.001128 ! Fit after self-cal, rms=0.958370Jy sigma=0.001128 ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.958370Jy sigma=0.001128 ! Fit after self-cal, rms=0.951210Jy sigma=0.001128 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 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=0.647 mas, bmaj=1.562 mas, bpa=-2.694 degrees ! Estimated noise=909.512 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.494419 Jy ! Component: 100 - total flux cleaned = 0.610263 Jy ! Component: 150 - total flux cleaned = 0.658328 Jy ! Component: 200 - total flux cleaned = 0.682445 Jy ! Total flux subtracted in 200 components = 0.682445 Jy ! Clean residual min=-0.006708 max=0.011893 Jy/beam ! Clean residual mean=0.000003 rms=0.001618 Jy/beam ! Combined flux in latest and established models = 0.682445 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.682445 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=0.7336 mas, bmaj=1.717 mas, bpa=-5.029 degrees ! Estimated noise=730.221 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 = 0.0190506 Jy ! Component: 100 - total flux cleaned = 0.0302473 Jy ! Component: 150 - total flux cleaned = 0.0376706 Jy ! Component: 200 - total flux cleaned = 0.0432525 Jy ! Total flux subtracted in 200 components = 0.0432525 Jy ! Clean residual min=-0.004283 max=0.003665 Jy/beam ! Clean residual mean=-0.000045 rms=0.001037 Jy/beam ! Combined flux in latest and established models = 0.725698 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 48 components and 0.725698 Jy ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 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 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=2.196 mas, bmaj=3.069 mas, bpa=9.866 degrees ! Estimated noise=943.163 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0079418 Jy ! Component: 100 - total flux cleaned = 0.0125072 Jy ! Component: 150 - total flux cleaned = 0.015616 Jy ! Component: 200 - total flux cleaned = 0.0179045 Jy ! Total flux subtracted in 200 components = 0.0179045 Jy ! Clean residual min=-0.004236 max=0.003916 Jy/beam ! Clean residual mean=-0.000141 rms=0.001186 Jy/beam ! Combined flux in latest and established models = 0.743602 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 = 0.00136987 Jy ! Component: 100 - total flux cleaned = 0.00203665 Jy ! Component: 150 - total flux cleaned = 0.00251906 Jy ! Component: 200 - total flux cleaned = 0.0029544 Jy ! Total flux subtracted in 200 components = 0.0029544 Jy ! Clean residual min=-0.004081 max=0.003841 Jy/beam ! Clean residual mean=-0.000145 rms=0.001143 Jy/beam ! Combined flux in latest and established models = 0.746557 Jy ! Adding 95 model components to the UV plane model. ! The established model now contains 132 components and 0.746557 Jy ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! Estimated beam: bmin=0.7336 mas, bmaj=1.717 mas, bpa=-5.029 degrees ! Estimated noise=730.221 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000500155 Jy ! Component: 100 - total flux cleaned = -0.000233383 Jy ! Component: 150 - total flux cleaned = 9.82549e-06 Jy ! Component: 200 - total flux cleaned = 0.000382807 Jy ! Total flux subtracted in 200 components = 0.000382807 Jy ! Clean residual min=-0.003470 max=0.003216 Jy/beam ! Clean residual mean=-0.000053 rms=0.000844 Jy/beam ! Combined flux in latest and established models = 0.74694 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 159 components and 0.74694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.951156Jy sigma=0.001128 ! Fit after self-cal, rms=0.951125Jy sigma=0.001128 wmodel J1557-0001_X_2000_03_13_pus_map.mod ! Writing 159 model components to file: J1557-0001_X_2000_03_13_pus_map.mod wobs J1557-0001_X_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J1557-0001_X_2000_03_13_pus_uvs.fits wwins J1557-0001_X_2000_03_13_pus_map.win ! wwins: Wrote 3 windows to J1557-0001_X_2000_03_13_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 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00154078 Jy ! Component: 100 - total flux cleaned = -0.00243182 Jy ! Component: 150 - total flux cleaned = -0.00317115 Jy ! Component: 200 - total flux cleaned = -0.00383084 Jy ! Component: 250 - total flux cleaned = -0.00463028 Jy ! Component: 300 - total flux cleaned = -0.00520252 Jy ! Component: 350 - total flux cleaned = -0.00581318 Jy ! Component: 400 - total flux cleaned = -0.00641035 Jy ! Component: 450 - total flux cleaned = -0.00694607 Jy ! Component: 500 - total flux cleaned = -0.00732821 Jy ! Component: 550 - total flux cleaned = -0.00760927 Jy ! Component: 600 - total flux cleaned = -0.00788617 Jy ! Component: 650 - total flux cleaned = -0.00811341 Jy ! Component: 700 - total flux cleaned = -0.00833763 Jy ! Component: 750 - total flux cleaned = -0.00860348 Jy ! Component: 800 - total flux cleaned = -0.00903867 Jy ! Component: 850 - total flux cleaned = -0.00916741 Jy ! Component: 900 - total flux cleaned = -0.00942159 Jy ! Component: 950 - total flux cleaned = -0.00950573 Jy ! Component: 1000 - total flux cleaned = -0.00958942 Jy ! Component: 1050 - total flux cleaned = -0.00975332 Jy ! Component: 1100 - total flux cleaned = -0.00979368 Jy ! Component: 1150 - total flux cleaned = -0.00995427 Jy ! Component: 1200 - total flux cleaned = -0.0101126 Jy ! Component: 1250 - total flux cleaned = -0.0101127 Jy ! Component: 1300 - total flux cleaned = -0.0101919 Jy ! Component: 1350 - total flux cleaned = -0.0103856 Jy ! Component: 1400 - total flux cleaned = -0.0105397 Jy ! Component: 1450 - total flux cleaned = -0.0106156 Jy ! Component: 1500 - total flux cleaned = -0.0108423 Jy ! Component: 1550 - total flux cleaned = -0.0110297 Jy ! Component: 1600 - total flux cleaned = -0.0112155 Jy ! Component: 1650 - total flux cleaned = -0.0113999 Jy ! Component: 1700 - total flux cleaned = -0.0115461 Jy ! Component: 1750 - total flux cleaned = -0.0118726 Jy ! Component: 1800 - total flux cleaned = -0.0120523 Jy ! Component: 1850 - total flux cleaned = -0.0121954 Jy ! Component: 1900 - total flux cleaned = -0.0124795 Jy ! Component: 1950 - total flux cleaned = -0.012796 Jy ! Component: 2000 - total flux cleaned = -0.0129357 Jy ! Total flux subtracted in 2048 components = -0.0131784 Jy ! Clean residual min=-0.001955 max=0.002166 Jy/beam ! Clean residual mean=-0.000048 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.733761 Jy keep ! Adding 153 model components to the UV plane model. ! The established model now contains 312 components and 0.733762 Jy ![Exited script file: muppet] wmap "J1557-0001_X_2000_03_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7336 x 1.717 at -5.029 degrees (North through East) ! Clean map min=-0.0028186 max=0.64369 Jy/beam ! Writing clean map to FITS file: J1557-0001_X_2000_03_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.643694 invert ! Inverting map ! Your choice of large map pixels excluded 0.497% of the data. ! The x-axis pixel size should ideally be below 0.1895 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000630758 device "J1557-0001_X_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J1557-0001_X_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.293971 0.293971 0.587942 1.17588 2.35177 4.70353 9.40707 18.8141 37.6283 75.2565 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0018 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.643 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7336 x 1.717 at -5.029 degrees (North through East) ! Clean map min=-0.0028186 max=0.64369 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J1557-0001_X_2000_03_13_pus_uvs.log closed on Mon Apr 1 13:01:11 2013