! Started logfile: J0050-0929_X_2001_03_12_pus_uvs.log on Wed Jan 2 19:47:55 2013 obs J0050-0929_X_2001_03_12_pus_uva.fits ! Reading UV FITS file: J0050-0929_X_2001_03_12_pus_uva.fits ! AN table 1: 10 integrations on 136 of 136 possible baselines. ! AN table 2: 101 integrations on 136 of 136 possible baselines. ! AN table 3: 38 integrations on 136 of 136 possible baselines. ! AN table 4: 286 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0541751 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0050-0929 ! ! 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 1749 lines of history. ! ! Reading 12820 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 = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0050-0929_X_2001_03_12_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 = 512x512 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 170 telescope corrections were flagged in sub-array 1. ! A total of 1252 telescope corrections were flagged in sub-array 2. ! A total of 586 telescope corrections were flagged in sub-array 3. ! A total of 4361 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 170 telescope corrections were flagged in sub-array 1. ! A total of 1252 telescope corrections were flagged in sub-array 2. ! A total of 586 telescope corrections were flagged in sub-array 3. ! A total of 4361 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 170 telescope corrections were flagged in sub-array 1. ! A total of 1252 telescope corrections were flagged in sub-array 2. ! A total of 586 telescope corrections were flagged in sub-array 3. ! A total of 4361 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 170 telescope corrections were flagged in sub-array 1. ! A total of 1252 telescope corrections were flagged in sub-array 2. ! A total of 586 telescope corrections were flagged in sub-array 3. ! A total of 4361 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.869769Jy sigma=0.007208 ! Fit after self-cal, rms=0.318530Jy sigma=0.002308 ! 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 3.42% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=0.5563 mas, bmaj=1.514 mas, bpa=-3.71 degrees ! Estimated noise=1164.6 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 = 0.621705 Jy ! Component: 100 - total flux cleaned = 0.777082 Jy ! Total flux subtracted in 100 components = 0.777082 Jy ! Clean residual min=-0.023852 max=0.062841 Jy/beam ! Clean residual mean=0.000127 rms=0.006794 Jy/beam ! Combined flux in latest and established models = 0.777082 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.777082 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.251574Jy sigma=0.001715 ! Fit after self-cal, rms=0.251627Jy sigma=0.001715 ! Inverting map ! Your choice of large map pixels excluded 3.42% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0696114 Jy ! Component: 100 - total flux cleaned = 0.106377 Jy ! Total flux subtracted in 100 components = 0.106377 Jy ! Clean residual min=-0.022550 max=0.032880 Jy/beam ! Clean residual mean=0.000031 rms=0.005137 Jy/beam ! Combined flux in latest and established models = 0.88346 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 16 components and 0.88346 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.236454Jy sigma=0.001492 ! Fit after self-cal, rms=0.236468Jy sigma=0.001492 ! Inverting map ! Your choice of large map pixels excluded 3.42% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Added new window around map position (-1.2, -2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0192621 Jy ! Component: 100 - total flux cleaned = 0.0242247 Jy ! Total flux subtracted in 100 components = 0.0242247 Jy ! Clean residual min=-0.020853 max=0.029200 Jy/beam ! Clean residual mean=0.000006 rms=0.004658 Jy/beam ! Combined flux in latest and established models = 0.907684 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 23 components and 0.907684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.235017Jy sigma=0.001462 ! Fit after self-cal, rms=0.234902Jy sigma=0.001461 ! Inverting map ! Your choice of large map pixels excluded 3.42% of the data. ! The x-axis pixel size should ideally be below 0.1651 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 3.42% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=0.6656 mas, bmaj=1.753 mas, bpa=-5.356 degrees ! Estimated noise=801.372 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 (1, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0106401 Jy ! Component: 100 - total flux cleaned = 0.00920517 Jy ! Component: 150 - total flux cleaned = 0.00917526 Jy ! Component: 200 - total flux cleaned = 0.00915844 Jy ! Total flux subtracted in 200 components = 0.00915844 Jy ! Clean residual min=-0.013352 max=0.013945 Jy/beam ! Clean residual mean=-0.000036 rms=0.003079 Jy/beam ! Combined flux in latest and established models = 0.916843 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 38 components and 0.916843 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233177Jy sigma=0.001436 ! Fit after self-cal, rms=0.233213Jy sigma=0.001436 ! Inverting map ! Your choice of large map pixels excluded 3.42% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 90 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.03 HH 1.05 HN 1.01 ! KK 1.00* KP 1.08 LA 1.09 MA 0.87 ! MC 1.00* MK 1.00* NL 0.97 ON 1.00* ! OV 1.00* PT 1.02 SC 1.01 TS 1.00* ! WZ 1.00 ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 78 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.97 FD 1.02 HH 1.00* HN 0.96 ! KK 0.96 KP 0.98 LA 1.00 MA 1.00* ! MC 1.00* MK 0.96 NL 1.01 ON 1.00* ! OV 0.97 PT 0.97 SC 0.93 TS 1.61 ! WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 90 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.04 HH 1.16 HN 1.03 ! KK 1.00* KP 1.06 LA 1.08 MA 0.89 ! MC 1.00* MK 1.00* NL 0.94 ON 1.00* ! OV 1.00* PT 1.07 SC 0.97 TS 1.00* ! WZ 1.02 ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 78 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.98 FD 1.01 HH 1.00* HN 0.95 ! KK 0.95 KP 0.94 LA 1.00 MA 1.00* ! MC 1.00* MK 0.96 NL 0.96 ON 1.00* ! OV 0.98 PT 1.01 SC 0.92 TS 1.65 ! WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 90 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.03 HH 1.19 HN 1.05 ! KK 1.00* KP 1.02 LA 1.10 MA 0.96 ! MC 1.00* MK 1.00* NL 0.96 ON 1.00* ! OV 1.00* PT 1.14 SC 1.03 TS 1.00* ! WZ 1.01 ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 78 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 0.99 HH 1.00* HN 0.97 ! KK 1.04 KP 0.93 LA 1.03 MA 1.00* ! MC 1.00* MK 0.98 NL 0.99 ON 1.00* ! OV 1.02 PT 1.03 SC 0.92 TS 1.60 ! WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 90 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 HH 1.18 HN 1.06 ! KK 1.00* KP 1.12 LA 1.06 MA 0.99 ! MC 1.00* MK 1.00* NL 1.00 ON 1.00* ! OV 1.00* PT 1.06 SC 1.09 TS 1.00* ! WZ 1.01 ! ! A total of 60 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MC 0.00* MK 0.00* NL 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WZ 0.00* ! ! A total of 78 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.97 FD 0.99 HH 1.00* HN 0.99 ! KK 0.97 KP 0.95 LA 1.00 MA 1.00* ! MC 1.00* MK 1.01 NL 1.00 ON 1.00* ! OV 1.00 PT 1.04 SC 0.97 TS 1.65 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.233213Jy sigma=0.001436 ! Fit after self-cal, rms=0.189106Jy sigma=0.001228 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=0.6715 mas, bmaj=1.926 mas, bpa=-6.633 degrees ! Estimated noise=823.093 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 = -0.00442669 Jy ! Component: 100 - total flux cleaned = -0.0047652 Jy ! Component: 150 - total flux cleaned = -0.00477738 Jy ! Component: 200 - total flux cleaned = -0.00504529 Jy ! Total flux subtracted in 200 components = -0.00504529 Jy ! Clean residual min=-0.007965 max=0.006927 Jy/beam ! Clean residual mean=-0.000001 rms=0.001841 Jy/beam ! Combined flux in latest and established models = 0.911797 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 50 components and 0.911797 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187941Jy sigma=0.001219 ! Fit after self-cal, rms=0.187936Jy sigma=0.001219 ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 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=0.187936Jy sigma=0.001219 ! Fit after self-cal, rms=0.187399Jy sigma=0.001203 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=0.6739 mas, bmaj=1.931 mas, bpa=-6.655 degrees ! Estimated noise=822.253 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00583291 Jy ! Component: 100 - total flux cleaned = -0.0060516 Jy ! Component: 150 - total flux cleaned = -0.00585577 Jy ! Component: 200 - total flux cleaned = -0.00567538 Jy ! Total flux subtracted in 200 components = -0.00567538 Jy ! Clean residual min=-0.006723 max=0.006095 Jy/beam ! Clean residual mean=-0.000017 rms=0.001502 Jy/beam ! Combined flux in latest and established models = 0.906122 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 55 components and 0.906122 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186753Jy sigma=0.001198 ! Fit after self-cal, rms=0.186761Jy sigma=0.001198 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 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 = -0.000200009 Jy ! Component: 100 - total flux cleaned = -3.67768e-05 Jy ! Component: 150 - total flux cleaned = 0.000107585 Jy ! Component: 200 - total flux cleaned = 0.000366092 Jy ! Total flux subtracted in 200 components = 0.000366092 Jy ! Clean residual min=-0.006271 max=0.005828 Jy/beam ! Clean residual mean=-0.000018 rms=0.001447 Jy/beam ! Combined flux in latest and established models = 0.906488 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 60 components and 0.906488 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186494Jy sigma=0.001197 ! Fit after self-cal, rms=0.186490Jy sigma=0.001197 ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 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=0.186490Jy sigma=0.001197 ! Fit after self-cal, rms=0.187190Jy sigma=0.001195 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=0.6766 mas, bmaj=1.934 mas, bpa=-6.706 degrees ! Estimated noise=821.7 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0046352 Jy ! Component: 100 - total flux cleaned = -0.00495387 Jy ! Component: 150 - total flux cleaned = -0.0049582 Jy ! Component: 200 - total flux cleaned = -0.00482737 Jy ! Total flux subtracted in 200 components = -0.00482737 Jy ! Clean residual min=-0.005595 max=0.005328 Jy/beam ! Clean residual mean=-0.000016 rms=0.001325 Jy/beam ! Combined flux in latest and established models = 0.901661 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 64 components and 0.901661 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186815Jy sigma=0.001193 ! Fit after self-cal, rms=0.186818Jy sigma=0.001193 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 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 = -2.18164e-05 Jy ! Component: 100 - total flux cleaned = 0.000320263 Jy ! Component: 150 - total flux cleaned = 0.000532081 Jy ! Component: 200 - total flux cleaned = 0.000729861 Jy ! Total flux subtracted in 200 components = 0.000729861 Jy ! Clean residual min=-0.005389 max=0.005216 Jy/beam ! Clean residual mean=-0.000017 rms=0.001289 Jy/beam ! Combined flux in latest and established models = 0.90239 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 69 components and 0.90239 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186663Jy sigma=0.001192 ! Fit after self-cal, rms=0.186661Jy sigma=0.001192 ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 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=0.186661Jy sigma=0.001192 ! Fit after self-cal, rms=0.187294Jy sigma=0.001192 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=2.212 mas, bmaj=3.269 mas, bpa=-1.765 degrees ! Estimated noise=1085.43 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000935839 Jy ! Component: 100 - total flux cleaned = -0.000740509 Jy ! Component: 150 - total flux cleaned = -0.000590898 Jy ! Component: 200 - total flux cleaned = -0.000650525 Jy ! Total flux subtracted in 200 components = -0.000650525 Jy ! Clean residual min=-0.005389 max=0.004753 Jy/beam ! Clean residual mean=-0.000050 rms=0.001574 Jy/beam ! Combined flux in latest and established models = 0.90174 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 76 components and 0.90174 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187249Jy sigma=0.001191 ! Fit after self-cal, rms=0.187237Jy sigma=0.001191 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 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 = -5.62036e-05 Jy ! Component: 100 - total flux cleaned = -0.000107591 Jy ! Component: 150 - total flux cleaned = -0.000153315 Jy ! Component: 200 - total flux cleaned = -0.000155429 Jy ! Total flux subtracted in 200 components = -0.000155429 Jy ! Clean residual min=-0.005241 max=0.004842 Jy/beam ! Clean residual mean=-0.000050 rms=0.001563 Jy/beam ! Combined flux in latest and established models = 0.901585 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 78 components and 0.901585 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187232Jy sigma=0.001191 ! Fit after self-cal, rms=0.187224Jy sigma=0.001191 ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=0.6788 mas, bmaj=1.937 mas, bpa=-6.751 degrees ! Estimated noise=821.193 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6788 x 1.937 at -6.751 degrees (North through East) ! Clean map min=-0.0045139 max=0.80914 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=0.187224Jy sigma=0.001191 ! Fit after self-cal, rms=0.184396Jy sigma=0.001092 ! Inverting map and beam ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=0.6785 mas, bmaj=1.943 mas, bpa=-6.787 degrees ! Estimated noise=819.231 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00423395 Jy ! Component: 100 - total flux cleaned = -0.0049655 Jy ! Component: 150 - total flux cleaned = -0.00517557 Jy ! Component: 200 - total flux cleaned = -0.00536885 Jy ! Total flux subtracted in 200 components = -0.00536885 Jy ! Clean residual min=-0.004860 max=0.004721 Jy/beam ! Clean residual mean=-0.000013 rms=0.001132 Jy/beam ! Combined flux in latest and established models = 0.896216 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 83 components and 0.896216 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184195Jy sigma=0.001090 ! Fit after self-cal, rms=0.184193Jy sigma=0.001090 ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000284651 Jy ! Component: 100 - total flux cleaned = -0.000199889 Jy ! Component: 150 - total flux cleaned = -0.000123039 Jy ! Component: 200 - total flux cleaned = -4.79078e-05 Jy ! Total flux subtracted in 200 components = -4.79078e-05 Jy ! Clean residual min=-0.004818 max=0.004651 Jy/beam ! Clean residual mean=-0.000013 rms=0.001116 Jy/beam ! Combined flux in latest and established models = 0.896168 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 84 components and 0.896168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184118Jy sigma=0.001090 ! Fit after self-cal, rms=0.184117Jy sigma=0.001090 ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184117Jy sigma=0.001090 ! Fit after self-cal, rms=0.184664Jy sigma=0.001089 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=0.5814 mas, bmaj=1.657 mas, bpa=-5.355 degrees ! Estimated noise=1190.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.630494 Jy ! Component: 100 - total flux cleaned = 0.772925 Jy ! Component: 150 - total flux cleaned = 0.822177 Jy ! Component: 200 - total flux cleaned = 0.846356 Jy ! Total flux subtracted in 200 components = 0.846356 Jy ! Clean residual min=-0.006927 max=0.011609 Jy/beam ! Clean residual mean=0.000052 rms=0.001873 Jy/beam ! Combined flux in latest and established models = 0.846356 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.846356 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=0.6801 mas, bmaj=1.945 mas, bpa=-6.823 degrees ! Estimated noise=818.94 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 = 0.0178566 Jy ! Component: 100 - total flux cleaned = 0.0283488 Jy ! Component: 150 - total flux cleaned = 0.035229 Jy ! Component: 200 - total flux cleaned = 0.039176 Jy ! Total flux subtracted in 200 components = 0.039176 Jy ! Clean residual min=-0.005768 max=0.004989 Jy/beam ! Clean residual mean=-0.000006 rms=0.001183 Jy/beam ! Combined flux in latest and established models = 0.885532 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 32 components and 0.885532 Jy ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=2.214 mas, bmaj=3.274 mas, bpa=-1.782 degrees ! Estimated noise=1079.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00420709 Jy ! Component: 100 - total flux cleaned = 0.00606528 Jy ! Component: 150 - total flux cleaned = 0.00656084 Jy ! Component: 200 - total flux cleaned = 0.006766 Jy ! Total flux subtracted in 200 components = 0.006766 Jy ! Clean residual min=-0.004426 max=0.004705 Jy/beam ! Clean residual mean=-0.000035 rms=0.001399 Jy/beam ! Combined flux in latest and established models = 0.892298 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 = 0.00014175 Jy ! Component: 100 - total flux cleaned = 0.000270846 Jy ! Component: 150 - total flux cleaned = 0.000392912 Jy ! Component: 200 - total flux cleaned = 0.000504983 Jy ! Total flux subtracted in 200 components = 0.000504983 Jy ! Clean residual min=-0.004442 max=0.004741 Jy/beam ! Clean residual mean=-0.000036 rms=0.001387 Jy/beam ! Combined flux in latest and established models = 0.892803 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 46 components and 0.892803 Jy ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! Estimated beam: bmin=0.6801 mas, bmaj=1.945 mas, bpa=-6.823 degrees ! Estimated noise=818.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000542835 Jy ! Component: 100 - total flux cleaned = -0.000548868 Jy ! Component: 150 - total flux cleaned = -0.000644015 Jy ! Component: 200 - total flux cleaned = -0.000816073 Jy ! Total flux subtracted in 200 components = -0.000816073 Jy ! Clean residual min=-0.005204 max=0.003863 Jy/beam ! Clean residual mean=-0.000013 rms=0.001099 Jy/beam ! Combined flux in latest and established models = 0.891987 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 57 components and 0.891987 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185502Jy sigma=0.001091 ! Fit after self-cal, rms=0.185430Jy sigma=0.001091 wmodel J0050-0929_X_2001_03_12_pus_map.mod ! Writing 57 model components to file: J0050-0929_X_2001_03_12_pus_map.mod wobs J0050-0929_X_2001_03_12_pus_uvs.fits ! Writing UV FITS file: J0050-0929_X_2001_03_12_pus_uvs.fits wwins J0050-0929_X_2001_03_12_pus_map.win ! wwins: Wrote 3 windows to J0050-0929_X_2001_03_12_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00158822 Jy ! Component: 100 - total flux cleaned = -0.00232402 Jy ! Component: 150 - total flux cleaned = -0.00281225 Jy ! Component: 200 - total flux cleaned = -0.00328249 Jy ! Component: 250 - total flux cleaned = -0.00360839 Jy ! Component: 300 - total flux cleaned = -0.00405405 Jy ! Component: 350 - total flux cleaned = -0.00430265 Jy ! Component: 400 - total flux cleaned = -0.00454617 Jy ! Component: 450 - total flux cleaned = -0.00484579 Jy ! Component: 500 - total flux cleaned = -0.00525618 Jy ! Component: 550 - total flux cleaned = -0.00554484 Jy ! Component: 600 - total flux cleaned = -0.00577314 Jy ! Component: 650 - total flux cleaned = -0.00622226 Jy ! Component: 700 - total flux cleaned = -0.00638805 Jy ! Component: 750 - total flux cleaned = -0.00671501 Jy ! Component: 800 - total flux cleaned = -0.0070371 Jy ! Component: 850 - total flux cleaned = -0.00730216 Jy ! Component: 900 - total flux cleaned = -0.00740708 Jy ! Component: 950 - total flux cleaned = -0.00782098 Jy ! Component: 1000 - total flux cleaned = -0.00807629 Jy ! Component: 1050 - total flux cleaned = -0.0081786 Jy ! Component: 1100 - total flux cleaned = -0.00877866 Jy ! Component: 1150 - total flux cleaned = -0.00907497 Jy ! Component: 1200 - total flux cleaned = -0.00946496 Jy ! Component: 1250 - total flux cleaned = -0.00965842 Jy ! Component: 1300 - total flux cleaned = -0.0100883 Jy ! Component: 1350 - total flux cleaned = -0.0102776 Jy ! Component: 1400 - total flux cleaned = -0.0106049 Jy ! Component: 1450 - total flux cleaned = -0.0110216 Jy ! Component: 1500 - total flux cleaned = -0.0112509 Jy ! Component: 1550 - total flux cleaned = -0.0115231 Jy ! Component: 1600 - total flux cleaned = -0.011793 Jy ! Component: 1650 - total flux cleaned = -0.0120613 Jy ! Component: 1700 - total flux cleaned = -0.0121949 Jy ! Component: 1750 - total flux cleaned = -0.0123273 Jy ! Component: 1800 - total flux cleaned = -0.0127195 Jy ! Component: 1850 - total flux cleaned = -0.0128058 Jy ! Component: 1900 - total flux cleaned = -0.0131061 Jy ! Component: 1950 - total flux cleaned = -0.0133612 Jy ! Component: 2000 - total flux cleaned = -0.0134451 Jy ! Total flux subtracted in 2048 components = -0.0134036 Jy ! Clean residual min=-0.002429 max=0.002186 Jy/beam ! Clean residual mean=-0.000001 rms=0.000785 Jy/beam ! Combined flux in latest and established models = 0.878583 Jy keep ! Adding 155 model components to the UV plane model. ! The established model now contains 212 components and 0.878583 Jy ![Exited script file: muppet] wmap "J0050-0929_X_2001_03_12_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6801 x 1.945 at -6.823 degrees (North through East) ! Clean map min=-0.0039199 max=0.81236 Jy/beam ! Writing clean map to FITS file: J0050-0929_X_2001_03_12_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.812356 invert ! Inverting map ! Your choice of large map pixels excluded 3.7% of the data. ! The x-axis pixel size should ideally be below 0.1651 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000786616 device "J0050-0929_X_2001_03_12_pus\_map.eps/VPS" ! Attempting to open device: 'J0050-0929_X_2001_03_12_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.290494 0.290494 0.580988 1.16198 2.32395 4.64791 9.29582 18.5916 37.1833 74.3665 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0023 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.812 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6801 x 1.945 at -6.823 degrees (North through East) ! Clean map min=-0.0039199 max=0.81236 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0050-0929_X_2001_03_12_pus_uvs.log closed on Wed Jan 2 19:48:04 2013