! Started logfile: J0501-0159_X_1999_05_10_pus_uvs.log on Mon Jan 14 12:34:30 2008 obs J0501-0159_X_1999_05_10_pus_uva.fits ! Reading UV FITS file: J0501-0159_X_1999_05_10_pus_uva.fits ! AN table 1: 163 integrations on 153 of 153 possible baselines. ! AN table 2: 38 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.148051 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0501-0159 ! ! 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 1759 lines of history. ! ! Reading 18212 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 J0501-0159_X_1999_05_10_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 1959 telescope corrections were flagged in sub-array 1. ! A total of 441 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1939 telescope corrections were flagged in sub-array 1. ! A total of 441 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1939 telescope corrections were flagged in sub-array 1. ! A total of 441 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1939 telescope corrections were flagged in sub-array 1. ! A total of 441 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.694385Jy sigma=0.005708 ! Fit after self-cal, rms=0.411311Jy sigma=0.003543 ! 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 0.0665% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.6733 mas, bmaj=1.271 mas, bpa=1.914 degrees ! Estimated noise=1274.99 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 = 0.48259 Jy ! Component: 100 - total flux cleaned = 0.596353 Jy ! Total flux subtracted in 100 components = 0.596353 Jy ! Clean residual min=-0.020824 max=0.049301 Jy/beam ! Clean residual mean=0.000407 rms=0.007786 Jy/beam ! Combined flux in latest and established models = 0.596353 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.596353 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231687Jy sigma=0.001980 ! Fit after self-cal, rms=0.231589Jy sigma=0.001979 ! Inverting map ! Your choice of large map pixels excluded 0.0665% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Added new window around map position (-0.8, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0564066 Jy ! Component: 100 - total flux cleaned = 0.092038 Jy ! Total flux subtracted in 100 components = 0.092038 Jy ! Clean residual min=-0.017026 max=0.029587 Jy/beam ! Clean residual mean=0.000399 rms=0.005292 Jy/beam ! Combined flux in latest and established models = 0.688391 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 28 components and 0.688391 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209746Jy sigma=0.001644 ! Fit after self-cal, rms=0.208878Jy sigma=0.001640 ! Inverting map ! Your choice of large map pixels excluded 0.0665% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 0.0665% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.9489 mas, bmaj=1.693 mas, bpa=2.031 degrees ! Estimated noise=571.463 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 = 0.0521728 Jy ! Component: 100 - total flux cleaned = 0.0819381 Jy ! Component: 150 - total flux cleaned = 0.100531 Jy ! Component: 200 - total flux cleaned = 0.112234 Jy ! Total flux subtracted in 200 components = 0.112234 Jy ! Clean residual min=-0.013170 max=0.036143 Jy/beam ! Clean residual mean=0.001772 rms=0.006025 Jy/beam ! Combined flux in latest and established models = 0.800625 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 49 components and 0.800625 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197528Jy sigma=0.001444 ! Fit after self-cal, rms=0.196807Jy sigma=0.001438 ! Inverting map ! Your choice of large map pixels excluded 0.0665% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Added new window around map position (-3.8, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0335674 Jy ! Component: 100 - total flux cleaned = 0.0504023 Jy ! Component: 150 - total flux cleaned = 0.0608161 Jy ! Component: 200 - total flux cleaned = 0.0678007 Jy ! Total flux subtracted in 200 components = 0.0678007 Jy ! Clean residual min=-0.008918 max=0.011438 Jy/beam ! Clean residual mean=0.000554 rms=0.003012 Jy/beam ! Combined flux in latest and established models = 0.868426 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 75 components and 0.868426 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191993Jy sigma=0.001356 ! Fit after self-cal, rms=0.191204Jy sigma=0.001348 ! Inverting map ! Your choice of large map pixels excluded 0.0665% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 114 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 GC 1.00* HH 0.95 ! HN 1.00 KK 1.00* KP 0.99 LA 0.95 ! MC 1.03 MK 1.00* NL 1.04 NY 1.00* ! ON 0.97 OV 1.01 PT 1.01 SC 1.00 ! WF 0.99 WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.97 GC 1.06 HH 1.00* ! HN 1.00 KK 0.93 KP 0.99 LA 0.96 ! MC 1.00* MK 0.95 NL 1.07 NY 1.00* ! ON 1.00* OV 1.02 PT 1.01 SC 1.05 ! WF 1.09 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 114 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 GC 1.00* HH 0.94 ! HN 0.99 KK 1.00* KP 0.99 LA 0.97 ! MC 1.06 MK 1.00* NL 1.00 NY 1.00* ! ON 0.86 OV 0.99 PT 0.94 SC 0.99 ! WF 1.05 WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.99 GC 1.04 HH 1.00* ! HN 0.98 KK 0.94 KP 1.01 LA 0.98 ! MC 1.00* MK 0.94 NL 1.00 NY 1.00* ! ON 1.00* OV 0.99 PT 0.91 SC 1.07 ! WF 1.07 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 114 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.03 GC 1.00* HH 1.00 ! HN 1.03 KK 1.00* KP 1.02 LA 0.97 ! MC 1.11 MK 1.00* NL 1.01 NY 1.00* ! ON 0.88 OV 1.03 PT 0.96 SC 0.99 ! WF 1.06 WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.98 GC 1.05 HH 1.00* ! HN 1.03 KK 1.02 KP 1.02 LA 0.97 ! MC 1.00* MK 0.96 NL 1.02 NY 1.00* ! ON 1.00* OV 1.00 PT 0.95 SC 1.13 ! WF 1.09 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 114 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 GC 1.00* HH 1.02 ! HN 1.00 KK 1.00* KP 1.01 LA 1.00 ! MC 1.10 MK 1.00* NL 1.02 NY 1.00* ! ON 0.90 OV 1.03 PT 0.99 SC 0.98 ! WF 1.03 WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.98 GC 1.01 HH 1.00* ! HN 1.00 KK 0.98 KP 1.01 LA 0.98 ! MC 1.00* MK 0.95 NL 1.02 NY 1.00* ! ON 1.00* OV 1.01 PT 0.98 SC 1.04 ! WF 1.07 WZ 1.00* ! ! ! Fit before self-cal, rms=0.191204Jy sigma=0.001348 ! Fit after self-cal, rms=0.190551Jy sigma=0.001322 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.9764 mas, bmaj=1.781 mas, bpa=2.211 degrees ! Estimated noise=574.557 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 = 0.00543246 Jy ! Component: 100 - total flux cleaned = 0.00736602 Jy ! Component: 150 - total flux cleaned = 0.00821378 Jy ! Component: 200 - total flux cleaned = 0.00892586 Jy ! Total flux subtracted in 200 components = 0.00892586 Jy ! Clean residual min=-0.005556 max=0.008018 Jy/beam ! Clean residual mean=0.000406 rms=0.001772 Jy/beam ! Combined flux in latest and established models = 0.877351 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 88 components and 0.877351 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190143Jy sigma=0.001317 ! Fit after self-cal, rms=0.190027Jy sigma=0.001316 ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.190027Jy sigma=0.001316 ! Fit after self-cal, rms=0.191194Jy sigma=0.001315 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.9787 mas, bmaj=1.784 mas, bpa=2.115 degrees ! Estimated noise=574.69 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0039871 Jy ! Component: 100 - total flux cleaned = 0.00441435 Jy ! Component: 150 - total flux cleaned = 0.00476826 Jy ! Component: 200 - total flux cleaned = 0.00497121 Jy ! Total flux subtracted in 200 components = 0.00497121 Jy ! Clean residual min=-0.004255 max=0.006433 Jy/beam ! Clean residual mean=0.000488 rms=0.001557 Jy/beam ! Combined flux in latest and established models = 0.882322 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 95 components and 0.882323 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191000Jy sigma=0.001312 ! Fit after self-cal, rms=0.191011Jy sigma=0.001312 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 (-2, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00308481 Jy ! Component: 100 - total flux cleaned = 0.00276601 Jy ! Component: 150 - total flux cleaned = 0.00263629 Jy ! Component: 200 - total flux cleaned = 0.00221178 Jy ! Total flux subtracted in 200 components = 0.00221178 Jy ! Clean residual min=-0.003674 max=0.006063 Jy/beam ! Clean residual mean=0.000441 rms=0.001369 Jy/beam ! Combined flux in latest and established models = 0.884534 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 109 components and 0.884534 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190697Jy sigma=0.001309 ! Fit after self-cal, rms=0.190650Jy sigma=0.001309 ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Added new window around map position (2.2, -11.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00525703 Jy ! Component: 100 - total flux cleaned = 0.00701322 Jy ! Component: 150 - total flux cleaned = 0.00775414 Jy ! Component: 200 - total flux cleaned = 0.00832755 Jy ! Total flux subtracted in 200 components = 0.00832755 Jy ! Clean residual min=-0.003170 max=0.004135 Jy/beam ! Clean residual mean=0.000264 rms=0.001060 Jy/beam ! Combined flux in latest and established models = 0.892862 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 132 components and 0.892862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190447Jy sigma=0.001306 ! Fit after self-cal, rms=0.190427Jy sigma=0.001306 ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.190427Jy sigma=0.001306 ! Fit after self-cal, rms=0.189747Jy sigma=0.001306 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.9789 mas, bmaj=1.782 mas, bpa=2.179 degrees ! Estimated noise=573.877 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00189363 Jy ! Component: 100 - total flux cleaned = 0.00234553 Jy ! Component: 150 - total flux cleaned = 0.00274326 Jy ! Component: 200 - total flux cleaned = 0.00289017 Jy ! Total flux subtracted in 200 components = 0.00289017 Jy ! Clean residual min=-0.003089 max=0.003632 Jy/beam ! Clean residual mean=0.000159 rms=0.000928 Jy/beam ! Combined flux in latest and established models = 0.895752 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 145 components and 0.895752 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189643Jy sigma=0.001305 ! Fit after self-cal, rms=0.189623Jy sigma=0.001305 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 = 0.000582688 Jy ! Component: 100 - total flux cleaned = 0.000872958 Jy ! Component: 150 - total flux cleaned = 0.00107596 Jy ! Component: 200 - total flux cleaned = 0.00120503 Jy ! Total flux subtracted in 200 components = 0.00120503 Jy ! Clean residual min=-0.002950 max=0.003441 Jy/beam ! Clean residual mean=0.000141 rms=0.000874 Jy/beam ! Combined flux in latest and established models = 0.896957 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 146 components and 0.896957 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189567Jy sigma=0.001304 ! Fit after self-cal, rms=0.189556Jy sigma=0.001304 ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 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=0.189556Jy sigma=0.001304 ! Fit after self-cal, rms=0.189444Jy sigma=0.001304 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=2.162 mas, bmaj=3.443 mas, bpa=-9.906 degrees ! Estimated noise=677.235 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0012946 Jy ! Component: 100 - total flux cleaned = 0.00212959 Jy ! Component: 150 - total flux cleaned = 0.00268341 Jy ! Component: 200 - total flux cleaned = 0.00297541 Jy ! Total flux subtracted in 200 components = 0.00297541 Jy ! Clean residual min=-0.003001 max=0.003927 Jy/beam ! Clean residual mean=0.000140 rms=0.000979 Jy/beam ! Combined flux in latest and established models = 0.899933 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 158 components and 0.899933 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189420Jy sigma=0.001304 ! Fit after self-cal, rms=0.189403Jy sigma=0.001304 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 = 0.00026905 Jy ! Component: 100 - total flux cleaned = 0.000588721 Jy ! Component: 150 - total flux cleaned = 0.000761323 Jy ! Component: 200 - total flux cleaned = 0.000856272 Jy ! Total flux subtracted in 200 components = 0.000856272 Jy ! Clean residual min=-0.002979 max=0.003816 Jy/beam ! Clean residual mean=0.000113 rms=0.000968 Jy/beam ! Combined flux in latest and established models = 0.900789 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 168 components and 0.900789 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189390Jy sigma=0.001304 ! Fit after self-cal, rms=0.189382Jy sigma=0.001304 ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.9793 mas, bmaj=1.782 mas, bpa=2.204 degrees ! Estimated noise=573.792 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9793 x 1.782 at 2.204 degrees (North through East) ! Clean map min=-0.0030855 max=0.6262 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=0.189382Jy sigma=0.001304 ! Fit after self-cal, rms=0.192468Jy sigma=0.001214 ! Inverting map and beam ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.9794 mas, bmaj=1.782 mas, bpa=2.156 degrees ! Estimated noise=573.315 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000320668 Jy ! Component: 100 - total flux cleaned = 0.000195536 Jy ! Component: 150 - total flux cleaned = 0.000138359 Jy ! Component: 200 - total flux cleaned = 8.32067e-05 Jy ! Total flux subtracted in 200 components = 8.32067e-05 Jy ! Clean residual min=-0.002684 max=0.003168 Jy/beam ! Clean residual mean=0.000043 rms=0.000785 Jy/beam ! Combined flux in latest and established models = 0.900872 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 174 components and 0.900872 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192427Jy sigma=0.001214 ! Fit after self-cal, rms=0.192422Jy sigma=0.001214 ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000111536 Jy ! Component: 100 - total flux cleaned = 5.91913e-05 Jy ! Component: 150 - total flux cleaned = 8.54786e-06 Jy ! Component: 200 - total flux cleaned = -8.76568e-05 Jy ! Total flux subtracted in 200 components = -8.76568e-05 Jy ! Clean residual min=-0.002605 max=0.003078 Jy/beam ! Clean residual mean=0.000045 rms=0.000767 Jy/beam ! Combined flux in latest and established models = 0.900784 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 178 components and 0.900784 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192394Jy sigma=0.001213 ! Fit after self-cal, rms=0.192389Jy sigma=0.001213 ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192389Jy sigma=0.001213 ! Fit after self-cal, rms=0.192436Jy sigma=0.001213 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 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.6705 mas, bmaj=1.266 mas, bpa=2.079 degrees ! Estimated noise=1273.26 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.478865 Jy ! Component: 100 - total flux cleaned = 0.593235 Jy ! Component: 150 - total flux cleaned = 0.650018 Jy ! Component: 200 - total flux cleaned = 0.688899 Jy ! Total flux subtracted in 200 components = 0.688899 Jy ! Clean residual min=-0.013228 max=0.021985 Jy/beam ! Clean residual mean=0.000373 rms=0.004629 Jy/beam ! Combined flux in latest and established models = 0.688899 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 26 model components to the UV plane model. ! The established model now contains 26 components and 0.688899 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.9798 mas, bmaj=1.782 mas, bpa=2.191 degrees ! Estimated noise=573.152 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 = 0.0581512 Jy ! Component: 100 - total flux cleaned = 0.0952668 Jy ! Component: 150 - total flux cleaned = 0.121008 Jy ! Component: 200 - total flux cleaned = 0.139601 Jy ! Total flux subtracted in 200 components = 0.139601 Jy ! Clean residual min=-0.005229 max=0.010579 Jy/beam ! Clean residual mean=0.001170 rms=0.003091 Jy/beam ! Combined flux in latest and established models = 0.828501 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 80 components and 0.828501 Jy ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 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 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=2.162 mas, bmaj=3.445 mas, bpa=-9.903 degrees ! Estimated noise=676.128 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0223001 Jy ! Component: 100 - total flux cleaned = 0.0352463 Jy ! Component: 150 - total flux cleaned = 0.0439521 Jy ! Component: 200 - total flux cleaned = 0.0502042 Jy ! Total flux subtracted in 200 components = 0.0502042 Jy ! Clean residual min=-0.003324 max=0.005712 Jy/beam ! Clean residual mean=0.000864 rms=0.001872 Jy/beam ! Combined flux in latest and established models = 0.878705 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 = 0.00469173 Jy ! Component: 100 - total flux cleaned = 0.00831229 Jy ! Component: 150 - total flux cleaned = 0.0111619 Jy ! Component: 200 - total flux cleaned = 0.0134192 Jy ! Total flux subtracted in 200 components = 0.0134192 Jy ! Clean residual min=-0.002893 max=0.003579 Jy/beam ! Clean residual mean=0.000370 rms=0.001180 Jy/beam ! Combined flux in latest and established models = 0.892124 Jy ! Adding 123 model components to the UV plane model. ! The established model now contains 190 components and 0.892124 Jy ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! Estimated beam: bmin=0.9798 mas, bmaj=1.782 mas, bpa=2.191 degrees ! Estimated noise=573.152 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00116309 Jy ! Component: 100 - total flux cleaned = 0.00216504 Jy ! Component: 150 - total flux cleaned = 0.00262772 Jy ! Component: 200 - total flux cleaned = 0.00290974 Jy ! Total flux subtracted in 200 components = 0.00290974 Jy ! Clean residual min=-0.002518 max=0.003005 Jy/beam ! Clean residual mean=0.000132 rms=0.000821 Jy/beam ! Combined flux in latest and established models = 0.895034 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 198 components and 0.895034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192558Jy sigma=0.001214 ! Fit after self-cal, rms=0.192443Jy sigma=0.001214 wmodel J0501-0159_X_1999_05_10_pus_map.mod ! Writing 198 model components to file: J0501-0159_X_1999_05_10_pus_map.mod wobs J0501-0159_X_1999_05_10_pus_uvs.fits ! Writing UV FITS file: J0501-0159_X_1999_05_10_pus_uvs.fits wwins J0501-0159_X_1999_05_10_pus_map.win ! wwins: Wrote 5 windows to J0501-0159_X_1999_05_10_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 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000514306 Jy ! Component: 100 - total flux cleaned = 0.000872109 Jy ! Component: 150 - total flux cleaned = 0.00121301 Jy ! Component: 200 - total flux cleaned = 0.00133573 Jy ! Component: 250 - total flux cleaned = 0.00145489 Jy ! Component: 300 - total flux cleaned = 0.0015314 Jy ! Component: 350 - total flux cleaned = 0.00156925 Jy ! Component: 400 - total flux cleaned = 0.00164259 Jy ! Component: 450 - total flux cleaned = 0.00167791 Jy ! Component: 500 - total flux cleaned = 0.00171291 Jy ! Component: 550 - total flux cleaned = 0.00174725 Jy ! Component: 600 - total flux cleaned = 0.00178111 Jy ! Component: 650 - total flux cleaned = 0.00184693 Jy ! Component: 700 - total flux cleaned = 0.00194351 Jy ! Component: 750 - total flux cleaned = 0.00194333 Jy ! Component: 800 - total flux cleaned = 0.00206824 Jy ! Component: 850 - total flux cleaned = 0.00206807 Jy ! Component: 900 - total flux cleaned = 0.00218949 Jy ! Component: 950 - total flux cleaned = 0.00221941 Jy ! Component: 1000 - total flux cleaned = 0.00224921 Jy ! Total flux subtracted in 1024 components = 0.00230794 Jy ! Clean residual min=-0.001859 max=0.001621 Jy/beam ! Clean residual mean=0.000040 rms=0.000586 Jy/beam ! Combined flux in latest and established models = 0.897342 Jy keep ! Adding 60 model components to the UV plane model. ! The established model now contains 257 components and 0.897342 Jy ![Exited script file: muppet] wmap "J0501-0159_X_1999_05_10_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9798 x 1.782 at 2.191 degrees (North through East) ! Clean map min=-0.0020282 max=0.63012 Jy/beam ! Writing clean map to FITS file: J0501-0159_X_1999_05_10_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.630122 invert ! Inverting map ! Your choice of large map pixels excluded 0.0689% of the data. ! The x-axis pixel size should ideally be below 0.1976 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000583741 device "J0501-0159_X_1999_05_10_pus\_map.eps/VPS" ! Attempting to open device: 'J0501-0159_X_1999_05_10_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.277918 0.277918 0.555836 1.11167 2.22334 4.44668 8.89337 17.7867 35.5735 71.1469 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0017 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.63 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9798 x 1.782 at 2.191 degrees (North through East) ! Clean map min=-0.0020282 max=0.63012 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0501-0159_X_1999_05_10_pus\_map.gif/vgif" ! Attempting to open device: 'J0501-0159_X_1999_05_10_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0501-0159_X_1999_05_10_pus_uvs.log closed on Mon Jan 14 12:34:40 2008