! Started logfile: J0501-0159_X_2001_07_05_pus_uvs.log on Wed Jul 4 19:59:29 2007 obs J0501-0159_X_2001_07_05_pus_uva.fits ! Reading UV FITS file: J0501-0159_X_2001_07_05_pus_uva.fits ! AN table 1: 21 integrations on 171 of 171 possible baselines. ! AN table 2: 64 integrations on 171 of 171 possible baselines. ! AN table 3: 145 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0808543 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0501-0159 ! 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 2370 lines of history. ! ! Reading 12720 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 261 telescope corrections were flagged in sub-array 1. ! A total of 907 telescope corrections were flagged in sub-array 2. ! A total of 2350 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 261 telescope corrections were flagged in sub-array 1. ! A total of 907 telescope corrections were flagged in sub-array 2. ! A total of 2350 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 261 telescope corrections were flagged in sub-array 1. ! A total of 907 telescope corrections were flagged in sub-array 2. ! A total of 2350 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 261 telescope corrections were flagged in sub-array 1. ! A total of 907 telescope corrections were flagged in sub-array 2. ! A total of 2350 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.803562Jy sigma=0.006869 ! Fit after self-cal, rms=0.433111Jy sigma=0.003457 ! 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 4.65% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.542 mas, bmaj=1.37 mas, bpa=-1.449 degrees ! Estimated noise=1186.46 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 = 0.481765 Jy ! Component: 100 - total flux cleaned = 0.586835 Jy ! Total flux subtracted in 100 components = 0.586835 Jy ! Clean residual min=-0.011046 max=0.029448 Jy/beam ! Clean residual mean=0.001236 rms=0.004282 Jy/beam ! Combined flux in latest and established models = 0.586835 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.586835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.216844Jy sigma=0.001406 ! Fit after self-cal, rms=0.216821Jy sigma=0.001406 ! Inverting map ! Your choice of large map pixels excluded 4.65% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0263879 Jy ! Component: 100 - total flux cleaned = 0.039936 Jy ! Total flux subtracted in 100 components = 0.039936 Jy ! Clean residual min=-0.010134 max=0.018976 Jy/beam ! Clean residual mean=0.001038 rms=0.003561 Jy/beam ! Combined flux in latest and established models = 0.626771 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.626771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212141Jy sigma=0.001347 ! Fit after self-cal, rms=0.212190Jy sigma=0.001347 ! Inverting map ! Your choice of large map pixels excluded 4.65% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 4.65% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.6157 mas, bmaj=1.711 mas, bpa=-3.339 degrees ! Estimated noise=783.286 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 = 0.020348 Jy ! Component: 100 - total flux cleaned = 0.0319383 Jy ! Component: 150 - total flux cleaned = 0.0387134 Jy ! Component: 200 - total flux cleaned = 0.0426005 Jy ! Total flux subtracted in 200 components = 0.0426005 Jy ! Clean residual min=-0.011071 max=0.032083 Jy/beam ! Clean residual mean=0.002974 rms=0.005559 Jy/beam ! Combined flux in latest and established models = 0.669371 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 0.669371 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210542Jy sigma=0.001323 ! Fit after self-cal, rms=0.210635Jy sigma=0.001323 ! Inverting map ! Your choice of large map pixels excluded 4.65% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Added new window around map position (-3.8, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0303935 Jy ! Component: 100 - total flux cleaned = 0.0478915 Jy ! Component: 150 - total flux cleaned = 0.0592578 Jy ! Component: 200 - total flux cleaned = 0.0673077 Jy ! Total flux subtracted in 200 components = 0.0673077 Jy ! Clean residual min=-0.008333 max=0.018375 Jy/beam ! Clean residual mean=0.001665 rms=0.003258 Jy/beam ! Combined flux in latest and established models = 0.736679 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 52 components and 0.736679 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206563Jy sigma=0.001268 ! Fit after self-cal, rms=0.206157Jy sigma=0.001264 ! Inverting map ! Your choice of large map pixels excluded 4.65% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Added new window around map position (-1.4, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0179228 Jy ! Component: 100 - total flux cleaned = 0.0238211 Jy ! Component: 150 - total flux cleaned = 0.0270478 Jy ! Component: 200 - total flux cleaned = 0.0286803 Jy ! Total flux subtracted in 200 components = 0.0286803 Jy ! Clean residual min=-0.006654 max=0.010486 Jy/beam ! Clean residual mean=0.001136 rms=0.002395 Jy/beam ! Combined flux in latest and established models = 0.765359 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 78 components and 0.76536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204626Jy sigma=0.001245 ! Fit after self-cal, rms=0.204650Jy sigma=0.001244 ! Inverting map ! Your choice of large map pixels excluded 4.65% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 GC 1.02 GG 1.00* ! HH 1.00* HN 0.94 KK 1.00* KP 1.14 ! LA 0.97 MC 1.00* MK 0.99 NL 0.97 ! NY 1.00* OV 1.01 PT 1.00 SC 1.03 ! TS 1.00* WF 1.07 WZ 1.00* ! ! A total of 99 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.07 GC 1.00 GG 1.00* ! HH 1.00* HN 1.00* KK 0.94 KP 0.98 ! LA 0.99 MC 1.00* MK 0.97 NL 1.09 ! NY 1.00* OV 1.00 PT 0.99 SC 1.00* ! TS 0.95 WF 1.00* WZ 1.00* ! ! A total of 51 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.04 GC 1.00* GG 1.00* ! HH 0.96 HN 1.01 KK 1.00* KP 1.00* ! LA 1.03 MC 1.01 MK 1.00* NL 1.02 ! NY 1.00* OV 1.00* PT 1.02 SC 1.02 ! TS 1.00* WF 1.01 WZ 0.94 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 GC 0.98 GG 1.00* ! HH 1.00* HN 0.94 KK 1.00* KP 1.24 ! LA 0.97 MC 1.00* MK 1.02 NL 0.94 ! NY 1.00* OV 1.02 PT 0.98 SC 0.99 ! TS 1.00* WF 1.02 WZ 1.00* ! ! A total of 99 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.06 GC 0.95 GG 1.00* ! HH 1.00* HN 1.00* KK 0.95 KP 0.95 ! LA 0.98 MC 1.00* MK 0.99 NL 1.04 ! NY 1.00* OV 0.99 PT 0.96 SC 1.00* ! TS 0.96 WF 1.00* WZ 1.00* ! ! A total of 51 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.03 GC 1.00* GG 1.00* ! HH 1.06 HN 0.98 KK 1.00* KP 1.00* ! LA 1.04 MC 1.02 MK 1.00* NL 0.97 ! NY 1.00* OV 1.00* PT 0.98 SC 0.98 ! TS 1.00* WF 1.00 WZ 0.94 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 GC 1.04 GG 1.00* ! HH 1.00* HN 0.94 KK 1.00* KP 1.27 ! LA 1.01 MC 1.00* MK 1.02 NL 0.95 ! NY 1.00* OV 1.04 PT 0.97 SC 0.98 ! TS 1.00* WF 0.98 WZ 1.00* ! ! A total of 99 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.03 GC 1.00 GG 1.00* ! HH 1.00* HN 1.00* KK 0.91 KP 0.99 ! LA 1.01 MC 1.00* MK 0.99 NL 1.06 ! NY 1.00* OV 1.05 PT 0.98 SC 1.00* ! TS 0.93 WF 1.00* WZ 1.00* ! ! A total of 51 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00 GC 1.00* GG 1.00* ! HH 1.15 HN 1.00 KK 1.00* KP 1.00* ! LA 1.05 MC 0.99 MK 1.00* NL 1.00 ! NY 1.00* OV 1.00* PT 1.04 SC 1.00 ! TS 1.00* WF 1.01 WZ 0.93 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 GC 1.03 GG 1.00* ! HH 1.00* HN 0.92 KK 1.00* KP 1.22 ! LA 0.97 MC 1.00* MK 1.04 NL 0.98 ! NY 1.00* OV 1.00 PT 1.02 SC 1.00 ! TS 1.00* WF 1.00 WZ 1.00* ! ! A total of 99 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.01 GC 0.95 GG 1.00* ! HH 1.00* HN 1.00* KK 0.94 KP 0.97 ! LA 0.97 MC 1.00* MK 1.02 NL 1.08 ! NY 1.00* OV 1.01 PT 0.97 SC 1.00* ! TS 0.94 WF 1.00* WZ 1.00* ! ! A total of 51 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00 GC 1.00* GG 1.00* ! HH 1.28 HN 1.01 KK 1.00* KP 1.00* ! LA 1.01 MC 1.01 MK 1.00* NL 1.03 ! NY 1.00* OV 1.00* PT 1.02 SC 1.03 ! TS 1.00* WF 1.00 WZ 0.94 ! ! ! Fit before self-cal, rms=0.204650Jy sigma=0.001244 ! Fit after self-cal, rms=0.221458Jy sigma=0.001219 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.6145 mas, bmaj=1.74 mas, bpa=-4.459 degrees ! Estimated noise=803.726 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 = 0.00887904 Jy ! Component: 100 - total flux cleaned = 0.0147396 Jy ! Component: 150 - total flux cleaned = 0.0185015 Jy ! Component: 200 - total flux cleaned = 0.0193982 Jy ! Total flux subtracted in 200 components = 0.0193982 Jy ! Clean residual min=-0.004222 max=0.005812 Jy/beam ! Clean residual mean=0.000675 rms=0.001358 Jy/beam ! Combined flux in latest and established models = 0.784758 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 98 components and 0.784758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220971Jy sigma=0.001214 ! Fit after self-cal, rms=0.221030Jy sigma=0.001213 ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 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=0.221030Jy sigma=0.001213 ! Fit after self-cal, rms=0.220849Jy sigma=0.001213 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.614 mas, bmaj=1.735 mas, bpa=-4.429 degrees ! Estimated noise=804.58 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00523624 Jy ! Component: 100 - total flux cleaned = 0.00796213 Jy ! Component: 150 - total flux cleaned = 0.00884591 Jy ! Component: 200 - total flux cleaned = 0.00940988 Jy ! Total flux subtracted in 200 components = 0.00940988 Jy ! Clean residual min=-0.003685 max=0.005358 Jy/beam ! Clean residual mean=0.000603 rms=0.001212 Jy/beam ! Combined flux in latest and established models = 0.794168 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 108 components and 0.794168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220664Jy sigma=0.001211 ! Fit after self-cal, rms=0.220664Jy sigma=0.001211 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 (1.4, 4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00442861 Jy ! Component: 100 - total flux cleaned = 0.00491015 Jy ! Component: 150 - total flux cleaned = 0.00512028 Jy ! Component: 200 - total flux cleaned = 0.00531685 Jy ! Total flux subtracted in 200 components = 0.00531685 Jy ! Clean residual min=-0.003236 max=0.004296 Jy/beam ! Clean residual mean=0.000499 rms=0.001058 Jy/beam ! Combined flux in latest and established models = 0.799484 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 123 components and 0.799484 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220490Jy sigma=0.001209 ! Fit after self-cal, rms=0.220491Jy sigma=0.001209 ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 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=0.220491Jy sigma=0.001209 ! Fit after self-cal, rms=0.220755Jy sigma=0.001208 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.6139 mas, bmaj=1.735 mas, bpa=-4.421 degrees ! Estimated noise=805.007 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00324247 Jy ! Component: 100 - total flux cleaned = 0.00492975 Jy ! Component: 150 - total flux cleaned = 0.00562461 Jy ! Component: 200 - total flux cleaned = 0.00594593 Jy ! Total flux subtracted in 200 components = 0.00594593 Jy ! Clean residual min=-0.003207 max=0.004133 Jy/beam ! Clean residual mean=0.000471 rms=0.000995 Jy/beam ! Combined flux in latest and established models = 0.80543 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 125 components and 0.80543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220664Jy sigma=0.001207 ! Fit after self-cal, rms=0.220670Jy sigma=0.001207 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 = 0.00113267 Jy ! Component: 100 - total flux cleaned = 0.00151472 Jy ! Component: 150 - total flux cleaned = 0.00180074 Jy ! Component: 200 - total flux cleaned = 0.00207379 Jy ! Total flux subtracted in 200 components = 0.00207379 Jy ! Clean residual min=-0.003052 max=0.004043 Jy/beam ! Clean residual mean=0.000430 rms=0.000959 Jy/beam ! Combined flux in latest and established models = 0.807504 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 137 components and 0.807504 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220618Jy sigma=0.001207 ! Fit after self-cal, rms=0.220623Jy sigma=0.001207 ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 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=0.220623Jy sigma=0.001207 ! Fit after self-cal, rms=0.220773Jy sigma=0.001207 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=2.252 mas, bmaj=3.075 mas, bpa=0.3152 degrees ! Estimated noise=1107.26 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00364443 Jy ! Component: 100 - total flux cleaned = 0.00594529 Jy ! Component: 150 - total flux cleaned = 0.00694558 Jy ! Component: 200 - total flux cleaned = 0.00734026 Jy ! Total flux subtracted in 200 components = 0.00734026 Jy ! Clean residual min=-0.002955 max=0.004665 Jy/beam ! Clean residual mean=0.000869 rms=0.001342 Jy/beam ! Combined flux in latest and established models = 0.814844 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 153 components and 0.814844 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220772Jy sigma=0.001207 ! Fit after self-cal, rms=0.220767Jy sigma=0.001207 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 = 0.000950861 Jy ! Component: 100 - total flux cleaned = 0.00120218 Jy ! Component: 150 - total flux cleaned = 0.00134223 Jy ! Component: 200 - total flux cleaned = 0.00147231 Jy ! Total flux subtracted in 200 components = 0.00147231 Jy ! Clean residual min=-0.002758 max=0.004501 Jy/beam ! Clean residual mean=0.000792 rms=0.001294 Jy/beam ! Combined flux in latest and established models = 0.816317 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 157 components and 0.816317 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220771Jy sigma=0.001207 ! Fit after self-cal, rms=0.220771Jy sigma=0.001207 ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.614 mas, bmaj=1.735 mas, bpa=-4.415 degrees ! Estimated noise=805.676 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.614 x 1.735 at -4.415 degrees (North through East) ! Clean map min=-0.0025895 max=0.62193 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=0.220771Jy sigma=0.001207 ! Fit after self-cal, rms=0.345805Jy sigma=0.001123 ! Inverting map and beam ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.6135 mas, bmaj=1.735 mas, bpa=-4.386 degrees ! Estimated noise=805.453 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000234609 Jy ! Component: 100 - total flux cleaned = 0.00016172 Jy ! Component: 150 - total flux cleaned = 9.93205e-05 Jy ! Component: 200 - total flux cleaned = 0.000160592 Jy ! Total flux subtracted in 200 components = 0.000160592 Jy ! Clean residual min=-0.002901 max=0.003741 Jy/beam ! Clean residual mean=0.000373 rms=0.000892 Jy/beam ! Combined flux in latest and established models = 0.816477 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 165 components and 0.816477 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.345768Jy sigma=0.001123 ! Fit after self-cal, rms=0.345797Jy sigma=0.001123 ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000204684 Jy ! Component: 100 - total flux cleaned = 0.000318656 Jy ! Component: 150 - total flux cleaned = 0.000371551 Jy ! Component: 200 - total flux cleaned = 0.000423906 Jy ! Total flux subtracted in 200 components = 0.000423906 Jy ! Clean residual min=-0.002791 max=0.003643 Jy/beam ! Clean residual mean=0.000365 rms=0.000879 Jy/beam ! Combined flux in latest and established models = 0.816901 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 171 components and 0.816901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.345776Jy sigma=0.001123 ! Fit after self-cal, rms=0.345787Jy sigma=0.001123 ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.345787Jy sigma=0.001123 ! Fit after self-cal, rms=0.345090Jy sigma=0.001123 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 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.54 mas, bmaj=1.385 mas, bpa=-2.195 degrees ! Estimated noise=1199.65 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.480052 Jy ! Component: 100 - total flux cleaned = 0.584912 Jy ! Component: 150 - total flux cleaned = 0.616933 Jy ! Component: 200 - total flux cleaned = 0.639372 Jy ! Total flux subtracted in 200 components = 0.639372 Jy ! Clean residual min=-0.008312 max=0.013372 Jy/beam ! Clean residual mean=0.001013 rms=0.003106 Jy/beam ! Combined flux in latest and established models = 0.639372 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.639372 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.6135 mas, bmaj=1.735 mas, bpa=-4.382 degrees ! Estimated noise=805.669 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 = 0.036772 Jy ! Component: 100 - total flux cleaned = 0.0635118 Jy ! Component: 150 - total flux cleaned = 0.0838128 Jy ! Component: 200 - total flux cleaned = 0.0995756 Jy ! Total flux subtracted in 200 components = 0.0995756 Jy ! Clean residual min=-0.004424 max=0.011296 Jy/beam ! Clean residual mean=0.001932 rms=0.002823 Jy/beam ! Combined flux in latest and established models = 0.738947 Jy ! Adding 69 model components to the UV plane model. ! The established model now contains 79 components and 0.738947 Jy ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=2.251 mas, bmaj=3.071 mas, bpa=0.3734 degrees ! Estimated noise=1108.83 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0254119 Jy ! Component: 100 - total flux cleaned = 0.0409136 Jy ! Component: 150 - total flux cleaned = 0.0516531 Jy ! Component: 200 - total flux cleaned = 0.0594233 Jy ! Total flux subtracted in 200 components = 0.0594233 Jy ! Clean residual min=-0.003286 max=0.006120 Jy/beam ! Clean residual mean=0.001972 rms=0.001935 Jy/beam ! Combined flux in latest and established models = 0.79837 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 = 0.00569366 Jy ! Component: 100 - total flux cleaned = 0.00989871 Jy ! Component: 150 - total flux cleaned = 0.0130229 Jy ! Component: 200 - total flux cleaned = 0.0153522 Jy ! Total flux subtracted in 200 components = 0.0153522 Jy ! Clean residual min=-0.002724 max=0.004612 Jy/beam ! Clean residual mean=0.001160 rms=0.001335 Jy/beam ! Combined flux in latest and established models = 0.813722 Jy ! Adding 102 model components to the UV plane model. ! The established model now contains 169 components and 0.813722 Jy ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.6135 mas, bmaj=1.735 mas, bpa=-4.382 degrees ! Estimated noise=805.669 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000331727 Jy ! Component: 100 - total flux cleaned = -0.000342911 Jy ! Component: 150 - total flux cleaned = 1.54186e-05 Jy ! Component: 200 - total flux cleaned = 0.000126163 Jy ! Total flux subtracted in 200 components = 0.000126163 Jy ! Clean residual min=-0.003082 max=0.003674 Jy/beam ! Clean residual mean=0.000436 rms=0.000975 Jy/beam ! Combined flux in latest and established models = 0.813848 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 179 components and 0.813848 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.345118Jy sigma=0.001125 ! Fit after self-cal, rms=0.345000Jy sigma=0.001124 wmodel J0501-0159_X_2001_07_05_pus_map.mod ! Writing 179 model components to file: J0501-0159_X_2001_07_05_pus_map.mod wobs J0501-0159_X_2001_07_05_pus_uvs.fits ! Writing UV FITS file: J0501-0159_X_2001_07_05_pus_uvs.fits wwins J0501-0159_X_2001_07_05_pus_map.win ! wwins: Wrote 4 windows to J0501-0159_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 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171665 Jy ! Component: 100 - total flux cleaned = 0.00323134 Jy ! Component: 150 - total flux cleaned = 0.00448273 Jy ! Component: 200 - total flux cleaned = 0.00545422 Jy ! Component: 250 - total flux cleaned = 0.00628085 Jy ! Component: 300 - total flux cleaned = 0.00687768 Jy ! Component: 350 - total flux cleaned = 0.00755139 Jy ! Component: 400 - total flux cleaned = 0.00815757 Jy ! Component: 450 - total flux cleaned = 0.00879236 Jy ! Component: 500 - total flux cleaned = 0.00932318 Jy ! Component: 550 - total flux cleaned = 0.00997136 Jy ! Component: 600 - total flux cleaned = 0.0105623 Jy ! Component: 650 - total flux cleaned = 0.0110998 Jy ! Component: 700 - total flux cleaned = 0.0116255 Jy ! Component: 750 - total flux cleaned = 0.0120614 Jy ! Component: 800 - total flux cleaned = 0.0125287 Jy ! Component: 850 - total flux cleaned = 0.0128737 Jy ! Component: 900 - total flux cleaned = 0.0133259 Jy ! Component: 950 - total flux cleaned = 0.0136963 Jy ! Component: 1000 - total flux cleaned = 0.0140604 Jy ! Total flux subtracted in 1024 components = 0.0142043 Jy ! Clean residual min=-0.001994 max=0.002064 Jy/beam ! Clean residual mean=0.000182 rms=0.000683 Jy/beam ! Combined flux in latest and established models = 0.828052 Jy keep ! Adding 72 model components to the UV plane model. ! The established model now contains 251 components and 0.828053 Jy wmap "J0501-0159_X_2001_07_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6135 x 1.735 at -4.382 degrees (North through East) ! Clean map min=-0.0025667 max=0.61797 Jy/beam ! Writing clean map to FITS file: J0501-0159_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 0.617968 invert ! Inverting map ! Your choice of large map pixels excluded 4.88% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000682276 device "J0501-0159_X_2001_07_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0501-0159_X_2001_07_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.331219 0.331219 0.662438 1.32488 2.64975 5.2995 10.599 21.198 42.396 84.792 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.002 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.617 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6135 x 1.735 at -4.382 degrees (North through East) ! Clean map min=-0.0025667 max=0.61797 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0501-0159_X_2001_07_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0501-0159_X_2001_07_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0501-0159_X_2001_07_05_pus_uvs.log closed on Wed Jul 4 20:00:32 2007