! Started logfile: J0457-2324_X_1999_12_20_pus_uvs.log on Fri Dec 14 17:12:27 2007 obs J0457-2324_X_1999_12_20_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_1999_12_20_pus_uva.fits ! AN table 1: 90 integrations on 190 of 190 possible baselines. ! AN table 2: 90 integrations on 190 of 190 possible baselines. ! AN table 3: 11 integrations on 190 of 190 possible baselines. ! AN table 4: 97 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0689876 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! ! 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 2418 lines of history. ! ! Reading 15100 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 J0457-2324_X_1999_12_20_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 1386 telescope corrections were flagged in sub-array 1. ! A total of 1616 telescope corrections were flagged in sub-array 2. ! A total of 220 telescope corrections were flagged in sub-array 3. ! A total of 1572 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 1386 telescope corrections were flagged in sub-array 1. ! A total of 1616 telescope corrections were flagged in sub-array 2. ! A total of 220 telescope corrections were flagged in sub-array 3. ! A total of 1572 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 1386 telescope corrections were flagged in sub-array 1. ! A total of 1646 telescope corrections were flagged in sub-array 2. ! A total of 220 telescope corrections were flagged in sub-array 3. ! A total of 1572 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 1386 telescope corrections were flagged in sub-array 1. ! A total of 1616 telescope corrections were flagged in sub-array 2. ! A total of 220 telescope corrections were flagged in sub-array 3. ! A total of 1572 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.997646Jy sigma=0.008368 ! Fit after self-cal, rms=0.305409Jy sigma=0.002866 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.44% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=0.5926 mas, bmaj=1.508 mas, bpa=3.056 degrees ! Estimated noise=1116.35 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) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.694832 Jy ! Component: 100 - total flux cleaned = 0.898883 Jy ! Total flux subtracted in 100 components = 0.898883 Jy ! Clean residual min=-0.039940 max=0.093928 Jy/beam ! Clean residual mean=0.000421 rms=0.012704 Jy/beam ! Combined flux in latest and established models = 0.898883 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.898883 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289534Jy sigma=0.002732 ! Fit after self-cal, rms=0.289529Jy sigma=0.002732 ! Inverting map ! Your choice of large map pixels excluded 2.44% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.109414 Jy ! Component: 100 - total flux cleaned = 0.177284 Jy ! Total flux subtracted in 100 components = 0.177284 Jy ! Clean residual min=-0.035166 max=0.046592 Jy/beam ! Clean residual mean=0.000104 rms=0.009324 Jy/beam ! Combined flux in latest and established models = 1.07617 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 17 components and 1.07617 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231110Jy sigma=0.001922 ! Fit after self-cal, rms=0.231039Jy sigma=0.001922 ! Inverting map ! Your choice of large map pixels excluded 2.44% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.44% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=0.771 mas, bmaj=2.209 mas, bpa=-0.8839 degrees ! Estimated noise=667.607 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 = 0.0584861 Jy ! Component: 100 - total flux cleaned = 0.0864474 Jy ! Component: 150 - total flux cleaned = 0.100266 Jy ! Component: 200 - total flux cleaned = 0.106139 Jy ! Total flux subtracted in 200 components = 0.106139 Jy ! Clean residual min=-0.019843 max=0.021233 Jy/beam ! Clean residual mean=-0.000884 rms=0.004943 Jy/beam ! Combined flux in latest and established models = 1.18231 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 28 components and 1.18231 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222694Jy sigma=0.001697 ! Fit after self-cal, rms=0.222586Jy sigma=0.001697 ! Inverting map ! Your choice of large map pixels excluded 2.44% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.99 GC 1.00* HH 1.00* ! HN 1.06 KK 0.99 KP 1.00 LA 1.01 ! MC 1.00* MK 0.97 NY 1.00* ON 1.00* ! OV 0.99 PT 0.97 SC 0.88 TS 2.42 ! WF 1.00 WZ 1.00* GN 0.96 NL 0.95 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.02 GC 1.00* HH 1.00* ! HN 1.05 KK 1.00* KP 1.02 LA 1.00 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 0.99 PT 0.97 SC 0.96 TS 1.00* ! WF 0.89 WZ 1.00* GN 1.00* NL 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 0.99 GC 1.00* HH 1.05 ! HN 1.22 KK 0.93 KP 1.02 LA 1.02 ! MC 1.00* MK 0.94 NY 1.00* ON 1.00* ! OV 0.99 PT 0.97 SC 1.09 TS 1.00* ! WF 1.02 WZ 1.00* GN 1.08 NL 1.02 ! ! ! Correcting IF 2. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 GC 1.00* HH 1.00* ! HN 1.33 KK 0.98 KP 0.95 LA 1.01 ! MC 1.00* MK 0.97 NY 1.00* ON 1.00* ! OV 0.99 PT 0.96 SC 0.83 TS 2.69 ! WF 1.27 WZ 1.00* GN 0.96 NL 0.95 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 GC 1.00* HH 1.00* ! HN 1.06 KK 1.00* KP 0.96 LA 1.00 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 0.99 PT 0.97 SC 0.92 TS 1.00* ! WF 0.93 WZ 1.00* GN 1.00* NL 0.96 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 0.99 GC 1.00* HH 0.94 ! HN 1.20 KK 0.93 KP 0.97 LA 1.02 ! MC 1.00* MK 0.93 NY 1.00* ON 1.00* ! OV 0.99 PT 0.97 SC 1.03 TS 1.00* ! WF 1.05 WZ 1.00* GN 1.06 NL 1.03 ! ! ! Correcting IF 3. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 GC 1.00* HH 1.00* ! HN 1.16 KK 0.99 KP 0.97 LA 1.01 ! MC 1.00* MK 0.98 NY 1.00* ON 1.00* ! OV 0.98 PT 0.98 SC 0.84 TS 2.37 ! WF 1.09 WZ 1.00* GN 0.95 NL 0.95 ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.02 GC 1.00* HH 1.00* ! HN 1.09 KK 1.00* KP 0.99 LA 1.00 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 1.00 PT 0.98 SC 0.90 TS 1.00* ! WF 0.94 WZ 1.00* GN 1.00* NL 0.97 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.95 FD 1.00 GC 1.00* HH 6.17 ! HN 1.28 KK 0.93 KP 0.99 LA 1.02 ! MC 1.00* MK 0.94 NY 1.00* ON 1.00* ! OV 0.99 PT 0.98 SC 1.04 TS 1.00* ! WF 1.09 WZ 1.00* GN 1.08 NL 1.02 ! ! ! Correcting IF 4. ! A total of 66 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 1.00* ! HN 1.09 KK 0.98 KP 0.97 LA 1.03 ! MC 1.00* MK 0.95 NY 1.00* ON 1.00* ! OV 0.98 PT 0.97 SC 0.86 TS 3.07 ! WF 0.98 WZ 1.00* GN 0.94 NL 0.97 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.03 GC 1.00* HH 1.00* ! HN 1.15 KK 1.00* KP 0.98 LA 1.01 ! MC 1.00* MK 1.00* NY 1.00* ON 1.00* ! OV 0.98 PT 0.96 SC 0.91 TS 1.00* ! WF 0.90 WZ 1.00* GN 1.00* NL 0.99 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 42 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.01 FD 0.98 GC 1.00* HH 1.15 ! HN 1.33 KK 0.93 KP 0.98 LA 1.04 ! MC 1.00* MK 0.90 NY 1.00* ON 1.00* ! OV 1.00 PT 0.98 SC 1.04 TS 1.00* ! WF 1.01 WZ 1.00* GN 1.09 NL 1.05 ! ! ! Fit before self-cal, rms=0.222586Jy sigma=0.001697 ! Fit after self-cal, rms=0.307183Jy sigma=0.001277 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=0.8016 mas, bmaj=2.303 mas, bpa=-1.931 degrees ! Estimated noise=678.025 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 = -0.0010498 Jy ! Component: 100 - total flux cleaned = -0.00126683 Jy ! Component: 150 - total flux cleaned = -0.00147138 Jy ! Component: 200 - total flux cleaned = -0.00147458 Jy ! Total flux subtracted in 200 components = -0.00147458 Jy ! Clean residual min=-0.007697 max=0.005734 Jy/beam ! Clean residual mean=-0.000112 rms=0.001775 Jy/beam ! Combined flux in latest and established models = 1.18083 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 32 components and 1.18083 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.306926Jy sigma=0.001273 ! Fit after self-cal, rms=0.307323Jy sigma=0.001272 ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 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=0.307323Jy sigma=0.001272 ! Fit after self-cal, rms=0.304854Jy sigma=0.001248 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=0.8049 mas, bmaj=2.305 mas, bpa=-1.87 degrees ! Estimated noise=679.089 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00222204 Jy ! Component: 100 - total flux cleaned = -0.00239595 Jy ! Component: 150 - total flux cleaned = -0.00272884 Jy ! Component: 200 - total flux cleaned = -0.00287496 Jy ! Total flux subtracted in 200 components = -0.00287496 Jy ! Clean residual min=-0.006248 max=0.005575 Jy/beam ! Clean residual mean=0.000535 rms=0.001431 Jy/beam ! Combined flux in latest and established models = 1.17796 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 32 components and 1.17796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304687Jy sigma=0.001245 ! Fit after self-cal, rms=0.304650Jy sigma=0.001245 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 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 = -0.000276872 Jy ! Component: 100 - total flux cleaned = -0.000409104 Jy ! Component: 150 - total flux cleaned = -0.00053052 Jy ! Component: 200 - total flux cleaned = -0.000752923 Jy ! Total flux subtracted in 200 components = -0.000752923 Jy ! Clean residual min=-0.006241 max=0.005341 Jy/beam ! Clean residual mean=0.000555 rms=0.001390 Jy/beam ! Combined flux in latest and established models = 1.1772 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 32 components and 1.1772 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304571Jy sigma=0.001244 ! Fit after self-cal, rms=0.304562Jy sigma=0.001244 ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 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=0.304562Jy sigma=0.001244 ! Fit after self-cal, rms=0.304618Jy sigma=0.001243 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=0.8069 mas, bmaj=2.306 mas, bpa=-1.832 degrees ! Estimated noise=679.454 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00144917 Jy ! Component: 100 - total flux cleaned = -0.00170205 Jy ! Component: 150 - total flux cleaned = -0.0018218 Jy ! Component: 200 - total flux cleaned = -0.00203352 Jy ! Total flux subtracted in 200 components = -0.00203352 Jy ! Clean residual min=-0.005475 max=0.005479 Jy/beam ! Clean residual mean=0.000566 rms=0.001321 Jy/beam ! Combined flux in latest and established models = 1.17517 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 32 components and 1.17517 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304553Jy sigma=0.001242 ! Fit after self-cal, rms=0.304551Jy sigma=0.001242 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 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 = -0.000194982 Jy ! Component: 100 - total flux cleaned = -0.000287501 Jy ! Component: 150 - total flux cleaned = -0.000370944 Jy ! Component: 200 - total flux cleaned = -0.000452517 Jy ! Total flux subtracted in 200 components = -0.000452517 Jy ! Clean residual min=-0.005510 max=0.005315 Jy/beam ! Clean residual mean=0.000579 rms=0.001300 Jy/beam ! Combined flux in latest and established models = 1.17472 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 32 components and 1.17472 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304523Jy sigma=0.001241 ! Fit after self-cal, rms=0.304520Jy sigma=0.001241 ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 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=0.304520Jy sigma=0.001241 ! Fit after self-cal, rms=0.304298Jy sigma=0.001241 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=2.146 mas, bmaj=4.838 mas, bpa=3.384 degrees ! Estimated noise=843.638 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0026375 Jy ! Component: 100 - total flux cleaned = -0.00263147 Jy ! Component: 150 - total flux cleaned = -0.00263408 Jy ! Component: 200 - total flux cleaned = -0.0026685 Jy ! Total flux subtracted in 200 components = -0.0026685 Jy ! Clean residual min=-0.003781 max=0.005956 Jy/beam ! Clean residual mean=0.001372 rms=0.001407 Jy/beam ! Combined flux in latest and established models = 1.17205 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 38 components and 1.17205 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304314Jy sigma=0.001241 ! Fit after self-cal, rms=0.304314Jy sigma=0.001240 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.37965e-05 Jy ! Component: 100 - total flux cleaned = 2.81302e-05 Jy ! Component: 150 - total flux cleaned = 2.46895e-05 Jy ! Component: 200 - total flux cleaned = -8.43185e-06 Jy ! Total flux subtracted in 200 components = -8.43185e-06 Jy ! Clean residual min=-0.003795 max=0.005964 Jy/beam ! Clean residual mean=0.001372 rms=0.001405 Jy/beam ! Combined flux in latest and established models = 1.17204 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 38 components and 1.17204 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304325Jy sigma=0.001240 ! Fit after self-cal, rms=0.304319Jy sigma=0.001240 ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Added new window around map position (-3, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00314137 Jy ! Component: 100 - total flux cleaned = 0.00456977 Jy ! Component: 150 - total flux cleaned = 0.00492955 Jy ! Component: 200 - total flux cleaned = 0.00513812 Jy ! Total flux subtracted in 200 components = 0.00513812 Jy ! Clean residual min=-0.001756 max=0.004931 Jy/beam ! Clean residual mean=0.001079 rms=0.001125 Jy/beam ! Combined flux in latest and established models = 1.17718 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 65 components and 1.17718 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304155Jy sigma=0.001238 ! Fit after self-cal, rms=0.304139Jy sigma=0.001238 ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Added new window around map position (-11.6, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00482897 Jy ! Component: 100 - total flux cleaned = 0.00665351 Jy ! Component: 150 - total flux cleaned = 0.00761634 Jy ! Component: 200 - total flux cleaned = 0.00828382 Jy ! Total flux subtracted in 200 components = 0.00828382 Jy ! Clean residual min=-0.002152 max=0.003265 Jy/beam ! Clean residual mean=0.000819 rms=0.000971 Jy/beam ! Combined flux in latest and established models = 1.18546 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 86 components and 1.18546 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304049Jy sigma=0.001237 ! Fit after self-cal, rms=0.304038Jy sigma=0.001237 ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=0.8083 mas, bmaj=2.307 mas, bpa=-1.806 degrees ! Estimated noise=679.858 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8083 x 2.307 at -1.806 degrees (North through East) ! Clean map min=-0.0051618 max=0.98338 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=0.304038Jy sigma=0.001237 ! Fit after self-cal, rms=0.356176Jy sigma=0.001144 ! Inverting map and beam ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=0.8088 mas, bmaj=2.305 mas, bpa=-1.723 degrees ! Estimated noise=678.937 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000200308 Jy ! Component: 100 - total flux cleaned = 0.000873829 Jy ! Component: 150 - total flux cleaned = 0.00118971 Jy ! Component: 200 - total flux cleaned = 0.00133801 Jy ! Total flux subtracted in 200 components = 0.00133801 Jy ! Clean residual min=-0.003830 max=0.004519 Jy/beam ! Clean residual mean=0.000368 rms=0.000974 Jy/beam ! Combined flux in latest and established models = 1.1868 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 115 components and 1.1868 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355947Jy sigma=0.001141 ! Fit after self-cal, rms=0.355936Jy sigma=0.001141 ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Added new window around map position (3, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129087 Jy ! Component: 100 - total flux cleaned = 0.00186126 Jy ! Component: 150 - total flux cleaned = 0.00187019 Jy ! Component: 200 - total flux cleaned = 0.00212494 Jy ! Total flux subtracted in 200 components = 0.00212494 Jy ! Clean residual min=-0.003629 max=0.003438 Jy/beam ! Clean residual mean=0.000321 rms=0.000903 Jy/beam ! Combined flux in latest and established models = 1.18893 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 135 components and 1.18893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355767Jy sigma=0.001139 ! Fit after self-cal, rms=0.355767Jy sigma=0.001139 ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355767Jy sigma=0.001139 ! Fit after self-cal, rms=0.352341Jy sigma=0.001138 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=0.6317 mas, bmaj=1.645 mas, bpa=1.07 degrees ! Estimated noise=1147.98 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.724151 Jy ! Component: 100 - total flux cleaned = 0.910395 Jy ! Component: 150 - total flux cleaned = 1.00399 Jy ! Component: 200 - total flux cleaned = 1.06082 Jy ! Total flux subtracted in 200 components = 1.06082 Jy ! Clean residual min=-0.010393 max=0.029533 Jy/beam ! Clean residual mean=0.000298 rms=0.003641 Jy/beam ! Combined flux in latest and established models = 1.06083 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 23 model components to the UV plane model. ! The established model now contains 23 components and 1.06083 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=0.8092 mas, bmaj=2.306 mas, bpa=-1.719 degrees ! Estimated noise=678.921 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 = 0.0553964 Jy ! Component: 100 - total flux cleaned = 0.0816723 Jy ! Component: 150 - total flux cleaned = 0.0959117 Jy ! Component: 200 - total flux cleaned = 0.105055 Jy ! Total flux subtracted in 200 components = 0.105055 Jy ! Clean residual min=-0.004396 max=0.005735 Jy/beam ! Clean residual mean=0.000843 rms=0.001362 Jy/beam ! Combined flux in latest and established models = 1.16588 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 56 components and 1.16588 Jy ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=2.145 mas, bmaj=4.835 mas, bpa=3.405 degrees ! Estimated noise=842.083 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00828699 Jy ! Component: 100 - total flux cleaned = 0.0137883 Jy ! Component: 150 - total flux cleaned = 0.0178336 Jy ! Component: 200 - total flux cleaned = 0.0199301 Jy ! Total flux subtracted in 200 components = 0.0199301 Jy ! Clean residual min=-0.002187 max=0.003543 Jy/beam ! Clean residual mean=0.000923 rms=0.000975 Jy/beam ! Combined flux in latest and established models = 1.18581 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 = 0.00135966 Jy ! Component: 100 - total flux cleaned = 0.00246174 Jy ! Component: 150 - total flux cleaned = 0.00335681 Jy ! Component: 200 - total flux cleaned = 0.00407837 Jy ! Total flux subtracted in 200 components = 0.00407837 Jy ! Clean residual min=-0.002159 max=0.003243 Jy/beam ! Clean residual mean=0.000750 rms=0.000882 Jy/beam ! Combined flux in latest and established models = 1.18989 Jy ! Adding 55 model components to the UV plane model. ! The established model now contains 109 components and 1.18989 Jy ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! Estimated beam: bmin=0.8092 mas, bmaj=2.306 mas, bpa=-1.719 degrees ! Estimated noise=678.921 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000838584 Jy ! Component: 100 - total flux cleaned = 0.00101505 Jy ! Component: 150 - total flux cleaned = 0.000703264 Jy ! Component: 200 - total flux cleaned = 0.000854031 Jy ! Total flux subtracted in 200 components = 0.000854031 Jy ! Clean residual min=-0.004022 max=0.004077 Jy/beam ! Clean residual mean=0.000318 rms=0.000998 Jy/beam ! Combined flux in latest and established models = 1.19074 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 137 components and 1.19074 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.353063Jy sigma=0.001145 ! Fit after self-cal, rms=0.353099Jy sigma=0.001145 wmodel J0457-2324_X_1999_12_20_pus_map.mod ! Writing 137 model components to file: J0457-2324_X_1999_12_20_pus_map.mod wobs J0457-2324_X_1999_12_20_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_1999_12_20_pus_uvs.fits wwins J0457-2324_X_1999_12_20_pus_map.win ! wwins: Wrote 4 windows to J0457-2324_X_1999_12_20_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000754009 Jy ! Component: 100 - total flux cleaned = 0.00165161 Jy ! Component: 150 - total flux cleaned = 0.00249862 Jy ! Component: 200 - total flux cleaned = 0.00318824 Jy ! Component: 250 - total flux cleaned = 0.00384971 Jy ! Component: 300 - total flux cleaned = 0.00454054 Jy ! Component: 350 - total flux cleaned = 0.00531361 Jy ! Component: 400 - total flux cleaned = 0.00586423 Jy ! Component: 450 - total flux cleaned = 0.00625511 Jy ! Component: 500 - total flux cleaned = 0.00682763 Jy ! Component: 550 - total flux cleaned = 0.00729464 Jy ! Component: 600 - total flux cleaned = 0.00770779 Jy ! Component: 650 - total flux cleaned = 0.00811471 Jy ! Component: 700 - total flux cleaned = 0.00833674 Jy ! Component: 750 - total flux cleaned = 0.00864432 Jy ! Component: 800 - total flux cleaned = 0.00899087 Jy ! Component: 850 - total flux cleaned = 0.0092904 Jy ! Component: 900 - total flux cleaned = 0.00954393 Jy ! Component: 950 - total flux cleaned = 0.00979477 Jy ! Component: 1000 - total flux cleaned = 0.0100018 Jy ! Total flux subtracted in 1024 components = 0.0100838 Jy ! Clean residual min=-0.002770 max=0.002380 Jy/beam ! Clean residual mean=0.000148 rms=0.000829 Jy/beam ! Combined flux in latest and established models = 1.20083 Jy keep ! Adding 63 model components to the UV plane model. ! The established model now contains 186 components and 1.20083 Jy ![Exited script file: muppet] wmap "J0457-2324_X_1999_12_20_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8092 x 2.306 at -1.719 degrees (North through East) ! Clean map min=-0.003454 max=0.98477 Jy/beam ! Writing clean map to FITS file: J0457-2324_X_1999_12_20_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.984767 invert ! Inverting map ! Your choice of large map pixels excluded 2.54% of the data. ! The x-axis pixel size should ideally be below 0.1644 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000828583 device "J0457-2324_X_1999_12_20_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_1999_12_20_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.25242 0.25242 0.50484 1.00968 2.01936 4.03872 8.07744 16.1549 32.3098 64.6195 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.984 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8092 x 2.306 at -1.719 degrees (North through East) ! Clean map min=-0.003454 max=0.98477 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_X_1999_12_20_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_X_1999_12_20_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_X_1999_12_20_pus_uvs.log closed on Fri Dec 14 17:12:36 2007