! Started logfile: J0118-2141_X_2010_10_13_pus_uvs.log on Mon Feb 28 17:13:58 2011 obs J0118-2141_X_2010_10_13_pus_uva.fits ! Reading UV FITS file: J0118-2141_X_2010_10_13_pus_uva.fits ! AN table 1: 28 integrations on 105 of 105 possible baselines. ! AN table 2: 115 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.178755 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0118-2141 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 5978 lines of history. ! ! Reading 10736 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 J0118-2141_X_2010_10_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 = 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 366 telescope corrections were flagged in sub-array 1. ! A total of 1065 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 366 telescope corrections were flagged in sub-array 1. ! A total of 1065 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 366 telescope corrections were flagged in sub-array 1. ! A total of 1065 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 366 telescope corrections were flagged in sub-array 1. ! A total of 1065 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.579013Jy sigma=0.005704 ! Fit after self-cal, rms=0.545754Jy sigma=0.005369 ! 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 4.82% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=0.7233 mas, bmaj=1.452 mas, bpa=2.571 degrees ! Estimated noise=953.816 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 = 0.384438 Jy ! Component: 100 - total flux cleaned = 0.498238 Jy ! Total flux subtracted in 100 components = 0.498238 Jy ! Clean residual min=-0.031458 max=0.050700 Jy/beam ! Clean residual mean=0.000323 rms=0.010383 Jy/beam ! Combined flux in latest and established models = 0.498238 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.498238 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.237172Jy sigma=0.002261 ! Fit after self-cal, rms=0.237130Jy sigma=0.002259 ! Inverting map ! Your choice of large map pixels excluded 4.82% of the data. ! The x-axis pixel size should ideally be below 0.1619 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 4.82% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=0.9123 mas, bmaj=2.014 mas, bpa=-5.874 degrees ! Estimated noise=671.088 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 = 0.0920134 Jy ! Component: 100 - total flux cleaned = 0.133255 Jy ! Component: 150 - total flux cleaned = 0.154106 Jy ! Component: 200 - total flux cleaned = 0.164825 Jy ! Total flux subtracted in 200 components = 0.164825 Jy ! Clean residual min=-0.016958 max=0.021683 Jy/beam ! Clean residual mean=-0.002086 rms=0.005818 Jy/beam ! Combined flux in latest and established models = 0.663063 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 35 components and 0.663063 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211743Jy sigma=0.001772 ! Fit after self-cal, rms=0.211613Jy sigma=0.001770 ! Inverting map ! Your choice of large map pixels excluded 4.82% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.83 HH 0.51 HN 1.20 ! KB 1.00* KK 1.02 KP 0.97 LA 0.99 ! MK 0.97 NL 1.05 NY 1.00* OV 0.95 ! PT 0.95 SC 1.06 TS 1.00* ! ! ! Correcting IF 2. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.98 HH 0.43 HN 1.22 ! KB 1.00* KK 1.04 KP 0.96 LA 0.95 ! MK 0.93 NL 1.10 NY 1.00* OV 0.98 ! PT 0.96 SC 1.09 TS 1.00* ! ! ! Correcting IF 3. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.99 HH 0.42 HN 1.29 ! KB 1.00* KK 1.07 KP 0.98 LA 0.95 ! MK 1.01 NL 1.02 NY 1.00* OV 0.96 ! PT 1.03 SC 1.11 TS 1.00* ! ! ! Correcting IF 4. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KB 0.00* KK 0.00* KP 0.00* LA 0.00* ! MK 0.00* NL 0.00* NY 0.00* OV 0.00* ! PT 0.00* SC 0.00* TS 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.00 HH 0.46 HN 1.21 ! KB 1.00* KK 1.07 KP 0.97 LA 1.02 ! MK 1.00 NL 1.08 NY 1.00* OV 1.01 ! PT 0.98 SC 1.08 TS 1.00* ! ! ! Fit before self-cal, rms=0.211613Jy sigma=0.001770 ! Fit after self-cal, rms=0.223208Jy sigma=0.001651 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=0.9014 mas, bmaj=1.808 mas, bpa=-2.558 degrees ! Estimated noise=673.227 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 = -0.0041533 Jy ! Component: 100 - total flux cleaned = -0.00431431 Jy ! Component: 150 - total flux cleaned = -0.00431979 Jy ! Component: 200 - total flux cleaned = -0.00446383 Jy ! Total flux subtracted in 200 components = -0.00446383 Jy ! Clean residual min=-0.014633 max=0.017377 Jy/beam ! Clean residual mean=0.000141 rms=0.005059 Jy/beam ! Combined flux in latest and established models = 0.658599 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 40 components and 0.658599 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223004Jy sigma=0.001647 ! Fit after self-cal, rms=0.223209Jy sigma=0.001646 ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 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=0.223209Jy sigma=0.001646 ! Fit after self-cal, rms=0.336957Jy sigma=0.001585 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=0.8981 mas, bmaj=1.841 mas, bpa=-3.491 degrees ! Estimated noise=696.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0154566 Jy ! Component: 100 - total flux cleaned = 0.0164177 Jy ! Component: 150 - total flux cleaned = 0.0164084 Jy ! Component: 200 - total flux cleaned = 0.0160498 Jy ! Total flux subtracted in 200 components = 0.0160498 Jy ! Clean residual min=-0.022198 max=0.011325 Jy/beam ! Clean residual mean=-0.000236 rms=0.005036 Jy/beam ! Combined flux in latest and established models = 0.674649 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 40 components and 0.674649 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.335020Jy sigma=0.001567 ! Fit after self-cal, rms=0.337715Jy sigma=0.001565 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 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 = -0.000180665 Jy ! Component: 100 - total flux cleaned = -0.000470623 Jy ! Component: 150 - total flux cleaned = -0.000468923 Jy ! Component: 200 - total flux cleaned = -0.000713977 Jy ! Total flux subtracted in 200 components = -0.000713977 Jy ! Clean residual min=-0.021379 max=0.010989 Jy/beam ! Clean residual mean=-0.000225 rms=0.004903 Jy/beam ! Combined flux in latest and established models = 0.673935 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 0.673935 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.337253Jy sigma=0.001560 ! Fit after self-cal, rms=0.337313Jy sigma=0.001560 ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 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=0.337313Jy sigma=0.001560 ! Fit after self-cal, rms=0.466789Jy sigma=0.001316 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=0.8929 mas, bmaj=1.779 mas, bpa=-1.591 degrees ! Estimated noise=692.359 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0013217 Jy ! Component: 100 - total flux cleaned = 0.00143497 Jy ! Component: 150 - total flux cleaned = 0.00143801 Jy ! Component: 200 - total flux cleaned = 0.00144771 Jy ! Total flux subtracted in 200 components = 0.00144771 Jy ! Clean residual min=-0.003564 max=0.004214 Jy/beam ! Clean residual mean=0.000088 rms=0.001096 Jy/beam ! Combined flux in latest and established models = 0.675383 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 45 components and 0.675383 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.466706Jy sigma=0.001315 ! Fit after self-cal, rms=0.467508Jy sigma=0.001315 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 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 = -0.000145438 Jy ! Component: 100 - total flux cleaned = -0.000152246 Jy ! Component: 150 - total flux cleaned = -0.000239863 Jy ! Component: 200 - total flux cleaned = -0.000322252 Jy ! Total flux subtracted in 200 components = -0.000322252 Jy ! Clean residual min=-0.003350 max=0.004098 Jy/beam ! Clean residual mean=0.000092 rms=0.001061 Jy/beam ! Combined flux in latest and established models = 0.675061 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 45 components and 0.675061 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.467450Jy sigma=0.001315 ! Fit after self-cal, rms=0.467502Jy sigma=0.001315 ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 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=0.467502Jy sigma=0.001315 ! Fit after self-cal, rms=0.471815Jy sigma=0.001313 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=2.43 mas, bmaj=5.185 mas, bpa=-5.552 degrees ! Estimated noise=811.455 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.8068e-05 Jy ! Component: 100 - total flux cleaned = -6.58885e-05 Jy ! Component: 150 - total flux cleaned = -0.000111248 Jy ! Component: 200 - total flux cleaned = -0.00013154 Jy ! Total flux subtracted in 200 components = -0.00013154 Jy ! Clean residual min=-0.002824 max=0.004676 Jy/beam ! Clean residual mean=0.000201 rms=0.001072 Jy/beam ! Combined flux in latest and established models = 0.674929 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 49 components and 0.674929 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.471803Jy sigma=0.001313 ! Fit after self-cal, rms=0.471851Jy sigma=0.001313 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 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, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00276316 Jy ! Component: 100 - total flux cleaned = 0.00330023 Jy ! Component: 150 - total flux cleaned = 0.00330449 Jy ! Component: 200 - total flux cleaned = 0.00336702 Jy ! Total flux subtracted in 200 components = 0.00336702 Jy ! Clean residual min=-0.002370 max=0.003096 Jy/beam ! Clean residual mean=0.000129 rms=0.000884 Jy/beam ! Combined flux in latest and established models = 0.678296 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 72 components and 0.678296 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.471770Jy sigma=0.001313 ! Fit after self-cal, rms=0.471782Jy sigma=0.001313 ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 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 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=0.8823 mas, bmaj=1.709 mas, bpa=0.2161 degrees ! Estimated noise=690.1 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8823 x 1.709 at 0.2161 degrees (North through East) ! Clean map min=-0.003233 max=0.53688 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=0.471782Jy sigma=0.001313 ! Fit after self-cal, rms=0.735652Jy sigma=0.001210 ! Inverting map and beam ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=0.8853 mas, bmaj=1.725 mas, bpa=-0.3126 degrees ! Estimated noise=690.447 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000204366 Jy ! Component: 100 - total flux cleaned = 0.000328657 Jy ! Component: 150 - total flux cleaned = 0.000446538 Jy ! Component: 200 - total flux cleaned = 0.00056215 Jy ! Total flux subtracted in 200 components = 0.00056215 Jy ! Clean residual min=-0.003155 max=0.003752 Jy/beam ! Clean residual mean=0.000090 rms=0.000890 Jy/beam ! Combined flux in latest and established models = 0.678858 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 101 components and 0.678858 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.735586Jy sigma=0.001207 ! Fit after self-cal, rms=0.735524Jy sigma=0.001207 ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Added new window around map position (6.8, 8.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0026047 Jy ! Component: 100 - total flux cleaned = 0.00292777 Jy ! Component: 150 - total flux cleaned = 0.00313235 Jy ! Component: 200 - total flux cleaned = 0.003421 Jy ! Total flux subtracted in 200 components = 0.003421 Jy ! Clean residual min=-0.002960 max=0.003455 Jy/beam ! Clean residual mean=0.000067 rms=0.000816 Jy/beam ! Combined flux in latest and established models = 0.682279 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 120 components and 0.682279 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.735465Jy sigma=0.001205 ! Fit after self-cal, rms=0.735361Jy sigma=0.001205 ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.735361Jy sigma=0.001205 ! Fit after self-cal, rms=0.732350Jy sigma=0.001204 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 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=0.6593 mas, bmaj=1.233 mas, bpa=13.2 degrees ! Estimated noise=978.929 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.40431 Jy ! Component: 100 - total flux cleaned = 0.533066 Jy ! Component: 150 - total flux cleaned = 0.593506 Jy ! Component: 200 - total flux cleaned = 0.627795 Jy ! Total flux subtracted in 200 components = 0.627795 Jy ! Clean residual min=-0.008105 max=0.017258 Jy/beam ! Clean residual mean=0.000209 rms=0.002518 Jy/beam ! Combined flux in latest and established models = 0.627795 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.627795 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=0.8817 mas, bmaj=1.7 mas, bpa=0.4259 degrees ! Estimated noise=689.585 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 = 0.0269214 Jy ! Component: 100 - total flux cleaned = 0.0385023 Jy ! Component: 150 - total flux cleaned = 0.0446957 Jy ! Component: 200 - total flux cleaned = 0.0483623 Jy ! Total flux subtracted in 200 components = 0.0483623 Jy ! Clean residual min=-0.002993 max=0.003028 Jy/beam ! Clean residual mean=0.000137 rms=0.000934 Jy/beam ! Combined flux in latest and established models = 0.676157 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 45 components and 0.676157 Jy ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 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 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=2.43 mas, bmaj=5.186 mas, bpa=-5.578 degrees ! Estimated noise=810.859 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00336492 Jy ! Component: 100 - total flux cleaned = 0.00421488 Jy ! Component: 150 - total flux cleaned = 0.00491786 Jy ! Component: 200 - total flux cleaned = 0.00545278 Jy ! Total flux subtracted in 200 components = 0.00545278 Jy ! Clean residual min=-0.002090 max=0.003135 Jy/beam ! Clean residual mean=0.000144 rms=0.000781 Jy/beam ! Combined flux in latest and established models = 0.68161 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 = 0.000546133 Jy ! Component: 100 - total flux cleaned = 0.000932846 Jy ! Component: 150 - total flux cleaned = 0.00124266 Jy ! Component: 200 - total flux cleaned = 0.00153418 Jy ! Total flux subtracted in 200 components = 0.00153418 Jy ! Clean residual min=-0.001929 max=0.003146 Jy/beam ! Clean residual mean=0.000124 rms=0.000748 Jy/beam ! Combined flux in latest and established models = 0.683144 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 88 components and 0.683144 Jy ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! Estimated beam: bmin=0.8817 mas, bmaj=1.7 mas, bpa=0.4259 degrees ! Estimated noise=689.585 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000959037 Jy ! Component: 100 - total flux cleaned = -0.000507125 Jy ! Component: 150 - total flux cleaned = -0.000298028 Jy ! Component: 200 - total flux cleaned = -0.000202646 Jy ! Total flux subtracted in 200 components = -0.000202646 Jy ! Clean residual min=-0.002542 max=0.003018 Jy/beam ! Clean residual mean=0.000072 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 0.682941 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 110 components and 0.682941 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.732484Jy sigma=0.001311 ! Fit after self-cal, rms=0.732156Jy sigma=0.001207 wmodel J0118-2141_X_2010_10_13_pus_map.mod ! Writing 110 model components to file: J0118-2141_X_2010_10_13_pus_map.mod wobs J0118-2141_X_2010_10_13_pus_uvs.fits ! Writing UV FITS file: J0118-2141_X_2010_10_13_pus_uvs.fits wwins J0118-2141_X_2010_10_13_pus_map.win ! wwins: Wrote 3 windows to J0118-2141_X_2010_10_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 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000991095 Jy ! Component: 100 - total flux cleaned = 0.0015041 Jy ! Component: 150 - total flux cleaned = 0.00203317 Jy ! Component: 200 - total flux cleaned = 0.0023566 Jy ! Component: 250 - total flux cleaned = 0.00249043 Jy ! Component: 300 - total flux cleaned = 0.00266409 Jy ! Component: 350 - total flux cleaned = 0.00283303 Jy ! Component: 400 - total flux cleaned = 0.00303989 Jy ! Component: 450 - total flux cleaned = 0.00320149 Jy ! Component: 500 - total flux cleaned = 0.00332051 Jy ! Component: 550 - total flux cleaned = 0.00335971 Jy ! Component: 600 - total flux cleaned = 0.00355115 Jy ! Component: 650 - total flux cleaned = 0.00370106 Jy ! Component: 700 - total flux cleaned = 0.00381211 Jy ! Component: 750 - total flux cleaned = 0.00403116 Jy ! Component: 800 - total flux cleaned = 0.004247 Jy ! Component: 850 - total flux cleaned = 0.00453043 Jy ! Component: 900 - total flux cleaned = 0.00470493 Jy ! Component: 950 - total flux cleaned = 0.00473988 Jy ! Component: 1000 - total flux cleaned = 0.00494471 Jy ! Total flux subtracted in 1024 components = 0.00501235 Jy ! Clean residual min=-0.001924 max=0.002696 Jy/beam ! Clean residual mean=0.000020 rms=0.000653 Jy/beam ! Combined flux in latest and established models = 0.687954 Jy keep ! Adding 70 model components to the UV plane model. ! The established model now contains 176 components and 0.687954 Jy ![Exited script file: muppet] wmap "J0118-2141_X_2010_10_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8817 x 1.7 at 0.4259 degrees (North through East) ! Clean map min=-0.0028348 max=0.5427 Jy/beam ! Writing clean map to FITS file: J0118-2141_X_2010_10_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.542702 invert ! Inverting map ! Your choice of large map pixels excluded 3.53% of the data. ! The x-axis pixel size should ideally be below 0.1619 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000653689 device "J0118-2141_X_2010_10_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0118-2141_X_2010_10_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.361352 0.361352 0.722705 1.44541 2.89082 5.78164 11.5633 23.1265 46.2531 92.5062 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.542 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8817 x 1.7 at 0.4259 degrees (North through East) ! Clean map min=-0.0028348 max=0.5427 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0118-2141_X_2010_10_13_pus\_map.gif/vgif" ! Attempting to open device: 'J0118-2141_X_2010_10_13_pus_map.gif/vgif' mapplot cln