! Started logfile: J0457-2324_X_2001_07_05_pus_uvs.log on Thu Jul 5 14:58:20 2007 obs J0457-2324_X_2001_07_05_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_2001_07_05_pus_uva.fits ! AN table 1: 15 integrations on 171 of 171 possible baselines. ! AN table 2: 100 integrations on 171 of 171 possible baselines. ! AN table 3: 57 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0610295 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 2374 lines of history. ! ! Reading 7180 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 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 161 telescope corrections were flagged in sub-array 1. ! A total of 1742 telescope corrections were flagged in sub-array 2. ! A total of 794 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 161 telescope corrections were flagged in sub-array 1. ! A total of 1765 telescope corrections were flagged in sub-array 2. ! A total of 794 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 161 telescope corrections were flagged in sub-array 1. ! A total of 1742 telescope corrections were flagged in sub-array 2. ! A total of 794 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 161 telescope corrections were flagged in sub-array 1. ! A total of 1742 telescope corrections were flagged in sub-array 2. ! A total of 794 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.177959Jy sigma=0.009517 ! Fit after self-cal, rms=0.942234Jy sigma=0.007845 ! 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 4.41% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=0.616 mas, bmaj=1.369 mas, bpa=9.79 degrees ! Estimated noise=1873.14 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.42972 Jy ! Component: 100 - total flux cleaned = 1.76005 Jy ! Total flux subtracted in 100 components = 1.76005 Jy ! Clean residual min=-0.061330 max=0.125652 Jy/beam ! Clean residual mean=0.000565 rms=0.020582 Jy/beam ! Combined flux in latest and established models = 1.76005 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.76005 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.385674Jy sigma=0.002989 ! Fit after self-cal, rms=0.385591Jy sigma=0.002988 ! Inverting map ! Your choice of large map pixels excluded 4.41% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.137028 Jy ! Component: 100 - total flux cleaned = 0.210066 Jy ! Total flux subtracted in 100 components = 0.210066 Jy ! Clean residual min=-0.055241 max=0.079220 Jy/beam ! Clean residual mean=-0.000360 rms=0.014836 Jy/beam ! Combined flux in latest and established models = 1.97011 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 1.97011 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.335680Jy sigma=0.002337 ! Fit after self-cal, rms=0.335429Jy sigma=0.002335 ! Inverting map ! Your choice of large map pixels excluded 4.41% of the data. ! The x-axis pixel size should ideally be below 0.165 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 4.41% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=0.8037 mas, bmaj=1.781 mas, bpa=4.455 degrees ! Estimated noise=1137.47 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 = 0.0511452 Jy ! Component: 100 - total flux cleaned = 0.0720419 Jy ! Component: 150 - total flux cleaned = 0.0783496 Jy ! Component: 200 - total flux cleaned = 0.0783609 Jy ! Total flux subtracted in 200 components = 0.0783609 Jy ! Clean residual min=-0.046072 max=0.059916 Jy/beam ! Clean residual mean=-0.005649 rms=0.012714 Jy/beam ! Combined flux in latest and established models = 2.04847 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 18 components and 2.04847 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.333298Jy sigma=0.002231 ! Fit after self-cal, rms=0.333148Jy sigma=0.002230 ! Inverting map ! Your choice of large map pixels excluded 4.41% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GC 1.00* GG 1.00* ! HH 0.91 HN 1.01 KK 1.00* KP 1.10 ! LA 0.99 MC 1.00* MK 1.00* NL 1.08 ! NY 1.00* OV 1.12 PT 1.01 SC 0.97 ! TS 1.00* WF 1.00 WZ 1.00* ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.92 KP 1.51 ! LA 1.00* MC 1.00* MK 0.95 NL 1.00* ! NY 1.00* OV 1.15 PT 1.20 SC 1.00* ! TS 0.98 WF 1.00* WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 0.91 KK 1.00* KP 1.00 ! LA 0.96 MC 1.00* MK 0.97 NL 0.98 ! NY 1.00* OV 0.97 PT 0.98 SC 0.98 ! TS 1.00* WF 1.22 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* GG 1.00* ! HH 0.96 HN 1.00 KK 1.00* KP 1.12 ! LA 0.97 MC 1.00* MK 1.00* NL 1.03 ! NY 1.00* OV 1.11 PT 0.99 SC 0.93 ! TS 1.00* WF 0.98 WZ 1.00* ! ! A total of 63 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.94 KP 1.51 ! LA 1.00* MC 1.00* MK 0.94 NL 1.00* ! NY 1.00* OV 1.17 PT 1.16 SC 1.00* ! TS 0.96 WF 1.00* WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.96 GC 1.00* GG 1.00* ! HH 1.00* HN 0.90 KK 1.00* KP 1.01 ! LA 0.95 MC 1.00* MK 0.96 NL 0.94 ! NY 1.00* OV 0.96 PT 0.96 SC 0.94 ! TS 1.00* WF 1.23 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* GG 1.00* ! HH 1.01 HN 1.02 KK 1.00* KP 1.17 ! LA 1.00 MC 1.00* MK 1.00* NL 1.07 ! NY 1.00* OV 1.19 PT 1.01 SC 0.93 ! TS 1.00* WF 0.96 WZ 1.00* ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.92 KP 1.53 ! LA 1.00* MC 1.00* MK 0.96 NL 1.00* ! NY 1.00* OV 1.19 PT 1.18 SC 1.00* ! TS 0.96 WF 1.00* WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.94 GC 1.00* GG 1.00* ! HH 1.00* HN 0.93 KK 1.00* KP 1.04 ! LA 0.96 MC 1.00* MK 0.98 NL 0.96 ! NY 1.00* OV 1.00 PT 0.97 SC 0.95 ! TS 1.00* WF 1.23 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 GC 1.00* GG 1.00* ! HH 1.12 HN 1.02 KK 1.00* KP 1.13 ! LA 0.99 MC 1.00* MK 1.00* NL 1.09 ! NY 1.00* OV 1.13 PT 0.99 SC 0.99 ! TS 1.00* WF 0.95 WZ 1.00* ! ! A total of 87 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.93 KP 1.46 ! LA 1.00* MC 1.00* MK 1.02 NL 1.00* ! NY 1.00* OV 1.18 PT 1.17 SC 1.00* ! TS 0.95 WF 1.00* WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.93 GC 1.00* GG 1.00* ! HH 1.00* HN 0.93 KK 1.00* KP 1.00 ! LA 0.94 MC 1.00* MK 1.02 NL 0.97 ! NY 1.00* OV 0.98 PT 0.97 SC 1.00 ! TS 1.00* WF 1.21 WZ 1.00* ! ! ! Fit before self-cal, rms=0.333148Jy sigma=0.002230 ! Fit after self-cal, rms=0.291640Jy sigma=0.001529 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=0.8447 mas, bmaj=1.99 mas, bpa=8.022 degrees ! Estimated noise=1179.93 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 = 0.000845571 Jy ! Component: 100 - total flux cleaned = -0.000526246 Jy ! Component: 150 - total flux cleaned = -0.000875866 Jy ! Component: 200 - total flux cleaned = -0.000859777 Jy ! Total flux subtracted in 200 components = -0.000859777 Jy ! Clean residual min=-0.017780 max=0.029749 Jy/beam ! Clean residual mean=0.002806 rms=0.006748 Jy/beam ! Combined flux in latest and established models = 2.04761 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 24 components and 2.04761 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289570Jy sigma=0.001522 ! Fit after self-cal, rms=0.289743Jy sigma=0.001521 ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 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=0.289743Jy sigma=0.001521 ! Fit after self-cal, rms=0.223420Jy sigma=0.001231 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=0.846 mas, bmaj=1.986 mas, bpa=8.005 degrees ! Estimated noise=1181.41 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00294783 Jy ! Component: 100 - total flux cleaned = 0.00376598 Jy ! Component: 150 - total flux cleaned = 0.00442104 Jy ! Component: 200 - total flux cleaned = 0.00497011 Jy ! Total flux subtracted in 200 components = 0.00497011 Jy ! Clean residual min=-0.006313 max=0.010010 Jy/beam ! Clean residual mean=0.000608 rms=0.002115 Jy/beam ! Combined flux in latest and established models = 2.05258 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 30 components and 2.05258 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223087Jy sigma=0.001228 ! Fit after self-cal, rms=0.223164Jy sigma=0.001228 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 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 (0.4, -3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00717455 Jy ! Component: 100 - total flux cleaned = 0.00879694 Jy ! Component: 150 - total flux cleaned = 0.00933424 Jy ! Component: 200 - total flux cleaned = 0.0099298 Jy ! Total flux subtracted in 200 components = 0.0099298 Jy ! Clean residual min=-0.006145 max=0.007822 Jy/beam ! Clean residual mean=0.000352 rms=0.001791 Jy/beam ! Combined flux in latest and established models = 2.06251 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 43 components and 2.06251 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222581Jy sigma=0.001223 ! Fit after self-cal, rms=0.222529Jy sigma=0.001223 ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Added new window around map position (-4.8, -2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00799087 Jy ! Component: 100 - total flux cleaned = 0.0111588 Jy ! Component: 150 - total flux cleaned = 0.0118775 Jy ! Component: 200 - total flux cleaned = 0.0121293 Jy ! Total flux subtracted in 200 components = 0.0121292 Jy ! Clean residual min=-0.006021 max=0.005356 Jy/beam ! Clean residual mean=-0.000004 rms=0.001495 Jy/beam ! Combined flux in latest and established models = 2.07464 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 59 components and 2.07464 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222195Jy sigma=0.001220 ! Fit after self-cal, rms=0.222158Jy sigma=0.001219 ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 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=0.222158Jy sigma=0.001219 ! Fit after self-cal, rms=0.222055Jy sigma=0.001218 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=0.8456 mas, bmaj=1.984 mas, bpa=8.002 degrees ! Estimated noise=1180.66 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0021393 Jy ! Component: 100 - total flux cleaned = 0.00266202 Jy ! Component: 150 - total flux cleaned = 0.00289855 Jy ! Component: 200 - total flux cleaned = 0.00312356 Jy ! Total flux subtracted in 200 components = 0.00312356 Jy ! Clean residual min=-0.005977 max=0.004747 Jy/beam ! Clean residual mean=-0.000090 rms=0.001361 Jy/beam ! Combined flux in latest and established models = 2.07777 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 67 components and 2.07777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221906Jy sigma=0.001217 ! Fit after self-cal, rms=0.221882Jy sigma=0.001217 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 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 = 0.000352959 Jy ! Component: 100 - total flux cleaned = 0.00045628 Jy ! Component: 150 - total flux cleaned = 0.000650837 Jy ! Component: 200 - total flux cleaned = 0.000741105 Jy ! Total flux subtracted in 200 components = 0.000741105 Jy ! Clean residual min=-0.005805 max=0.004438 Jy/beam ! Clean residual mean=-0.000110 rms=0.001320 Jy/beam ! Combined flux in latest and established models = 2.07851 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 72 components and 2.07851 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221804Jy sigma=0.001216 ! Fit after self-cal, rms=0.221791Jy sigma=0.001216 ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 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=0.221791Jy sigma=0.001216 ! Fit after self-cal, rms=0.221671Jy sigma=0.001216 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=2.059 mas, bmaj=4.214 mas, bpa=-3.154 degrees ! Estimated noise=1499.75 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000676876 Jy ! Component: 100 - total flux cleaned = 0.000676056 Jy ! Component: 150 - total flux cleaned = 0.000617268 Jy ! Component: 200 - total flux cleaned = 0.000616813 Jy ! Total flux subtracted in 200 components = 0.000616813 Jy ! Clean residual min=-0.004372 max=0.003566 Jy/beam ! Clean residual mean=-0.000324 rms=0.001211 Jy/beam ! Combined flux in latest and established models = 2.07912 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 84 components and 2.07912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221644Jy sigma=0.001216 ! Fit after self-cal, rms=0.221634Jy sigma=0.001216 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 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 = 3.0096e-06 Jy ! Component: 100 - total flux cleaned = -4.51064e-05 Jy ! Component: 150 - total flux cleaned = -4.5629e-05 Jy ! Component: 200 - total flux cleaned = -4.76574e-05 Jy ! Total flux subtracted in 200 components = -4.76574e-05 Jy ! Clean residual min=-0.004240 max=0.003467 Jy/beam ! Clean residual mean=-0.000321 rms=0.001193 Jy/beam ! Combined flux in latest and established models = 2.07908 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 92 components and 2.07908 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221611Jy sigma=0.001216 ! Fit after self-cal, rms=0.221610Jy sigma=0.001216 ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 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 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=0.8453 mas, bmaj=1.982 mas, bpa=8.017 degrees ! Estimated noise=1180.28 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8453 x 1.982 at 8.017 degrees (North through East) ! Clean map min=-0.0053877 max=1.8921 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=0.221610Jy sigma=0.001216 ! Fit after self-cal, rms=0.204390Jy sigma=0.001081 ! Inverting map and beam ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=0.8452 mas, bmaj=1.981 mas, bpa=8.01 degrees ! Estimated noise=1179.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000625037 Jy ! Component: 100 - total flux cleaned = 0.000806508 Jy ! Component: 150 - total flux cleaned = 0.00088593 Jy ! Component: 200 - total flux cleaned = 0.000888691 Jy ! Total flux subtracted in 200 components = 0.000888691 Jy ! Clean residual min=-0.005643 max=0.003632 Jy/beam ! Clean residual mean=-0.000175 rms=0.001161 Jy/beam ! Combined flux in latest and established models = 2.07996 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 99 components and 2.07996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204315Jy sigma=0.001080 ! Fit after self-cal, rms=0.204307Jy sigma=0.001080 ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.76615e-05 Jy ! Component: 100 - total flux cleaned = -1.94083e-05 Jy ! Component: 150 - total flux cleaned = -1.98743e-05 Jy ! Component: 200 - total flux cleaned = 4.02283e-05 Jy ! Total flux subtracted in 200 components = 4.02283e-05 Jy ! Clean residual min=-0.005586 max=0.003669 Jy/beam ! Clean residual mean=-0.000175 rms=0.001149 Jy/beam ! Combined flux in latest and established models = 2.08 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 104 components and 2.08 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204269Jy sigma=0.001080 ! Fit after self-cal, rms=0.204263Jy sigma=0.001080 ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204263Jy sigma=0.001080 ! Fit after self-cal, rms=0.204201Jy sigma=0.001080 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 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=0.6369 mas, bmaj=1.592 mas, bpa=12.44 degrees ! Estimated noise=1926.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.43816 Jy ! Component: 100 - total flux cleaned = 1.76794 Jy ! Component: 150 - total flux cleaned = 1.89445 Jy ! Component: 200 - total flux cleaned = 1.96123 Jy ! Total flux subtracted in 200 components = 1.96123 Jy ! Clean residual min=-0.013678 max=0.032965 Jy/beam ! Clean residual mean=0.000364 rms=0.004753 Jy/beam ! Combined flux in latest and established models = 1.96123 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 16 model components to the UV plane model. ! The established model now contains 16 components and 1.96123 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=0.845 mas, bmaj=1.98 mas, bpa=8.019 degrees ! Estimated noise=1179.46 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 = 0.0509181 Jy ! Component: 100 - total flux cleaned = 0.0763062 Jy ! Component: 150 - total flux cleaned = 0.0907146 Jy ! Component: 200 - total flux cleaned = 0.0997689 Jy ! Total flux subtracted in 200 components = 0.0997689 Jy ! Clean residual min=-0.005703 max=0.005939 Jy/beam ! Clean residual mean=0.000335 rms=0.001589 Jy/beam ! Combined flux in latest and established models = 2.061 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 32 components and 2.061 Jy ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 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 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=2.058 mas, bmaj=4.21 mas, bpa=-3.165 degrees ! Estimated noise=1500.27 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00824207 Jy ! Component: 100 - total flux cleaned = 0.0129952 Jy ! Component: 150 - total flux cleaned = 0.0159594 Jy ! Component: 200 - total flux cleaned = 0.0165649 Jy ! Total flux subtracted in 200 components = 0.0165649 Jy ! Clean residual min=-0.004701 max=0.002960 Jy/beam ! Clean residual mean=-0.000291 rms=0.001229 Jy/beam ! Combined flux in latest and established models = 2.07757 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 = 0.000297116 Jy ! Component: 100 - total flux cleaned = 0.00055828 Jy ! Component: 150 - total flux cleaned = 0.000792999 Jy ! Component: 200 - total flux cleaned = 0.00100503 Jy ! Total flux subtracted in 200 components = 0.00100503 Jy ! Clean residual min=-0.004840 max=0.002885 Jy/beam ! Clean residual mean=-0.000353 rms=0.001183 Jy/beam ! Combined flux in latest and established models = 2.07857 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 80 components and 2.07857 Jy ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! Estimated beam: bmin=0.845 mas, bmaj=1.98 mas, bpa=8.019 degrees ! Estimated noise=1179.46 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00093834 Jy ! Component: 100 - total flux cleaned = -0.000780869 Jy ! Component: 150 - total flux cleaned = -0.000780402 Jy ! Component: 200 - total flux cleaned = -0.000655128 Jy ! Total flux subtracted in 200 components = -0.000655128 Jy ! Clean residual min=-0.006150 max=0.004210 Jy/beam ! Clean residual mean=-0.000139 rms=0.001212 Jy/beam ! Combined flux in latest and established models = 2.07792 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 91 components and 2.07792 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204771Jy sigma=0.001083 ! Fit after self-cal, rms=0.204521Jy sigma=0.001082 wmodel J0457-2324_X_2001_07_05_pus_map.mod ! Writing 91 model components to file: J0457-2324_X_2001_07_05_pus_map.mod wobs J0457-2324_X_2001_07_05_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_2001_07_05_pus_uvs.fits wwins J0457-2324_X_2001_07_05_pus_map.win ! wwins: Wrote 3 windows to J0457-2324_X_2001_07_05_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 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00227041 Jy ! Component: 100 - total flux cleaned = -0.00315685 Jy ! Component: 150 - total flux cleaned = -0.0040449 Jy ! Component: 200 - total flux cleaned = -0.00474775 Jy ! Component: 250 - total flux cleaned = -0.00548349 Jy ! Component: 300 - total flux cleaned = -0.00586714 Jy ! Component: 350 - total flux cleaned = -0.00617486 Jy ! Component: 400 - total flux cleaned = -0.00629325 Jy ! Component: 450 - total flux cleaned = -0.00640858 Jy ! Component: 500 - total flux cleaned = -0.0064652 Jy ! Component: 550 - total flux cleaned = -0.00657464 Jy ! Component: 600 - total flux cleaned = -0.00657431 Jy ! Component: 650 - total flux cleaned = -0.00652216 Jy ! Component: 700 - total flux cleaned = -0.00647059 Jy ! Component: 750 - total flux cleaned = -0.00637008 Jy ! Component: 800 - total flux cleaned = -0.00637053 Jy ! Component: 850 - total flux cleaned = -0.00637025 Jy ! Component: 900 - total flux cleaned = -0.00632227 Jy ! Component: 950 - total flux cleaned = -0.00627558 Jy ! Component: 1000 - total flux cleaned = -0.00627558 Jy ! Total flux subtracted in 1024 components = -0.00618463 Jy ! Clean residual min=-0.002417 max=0.003025 Jy/beam ! Clean residual mean=0.000001 rms=0.000891 Jy/beam ! Combined flux in latest and established models = 2.07173 Jy keep ! Adding 61 model components to the UV plane model. ! The established model now contains 152 components and 2.07173 Jy wmap "J0457-2324_X_2001_07_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.845 x 1.98 at 8.019 degrees (North through East) ! Clean map min=-0.0056271 max=1.8863 Jy/beam ! Writing clean map to FITS file: J0457-2324_X_2001_07_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.88635 invert ! Inverting map ! Your choice of large map pixels excluded 4.64% of the data. ! The x-axis pixel size should ideally be below 0.165 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00088801 device "J0457-2324_X_2001_07_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_2001_07_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.141227 0.141227 0.282454 0.564907 1.12981 2.25963 4.51926 9.03851 18.077 36.1541 72.3081 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.886 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.845 x 1.98 at 8.019 degrees (North through East) ! Clean map min=-0.0056271 max=1.8863 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_X_2001_07_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_X_2001_07_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_X_2001_07_05_pus_uvs.log closed on Thu Jul 5 14:59:07 2007