! Started logfile: J0457-2324_X_2000_03_13_pus_uvs.log on Mon Apr 1 13:25:47 2013 obs J0457-2324_X_2000_03_13_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_2000_03_13_pus_uva.fits ! AN table 1: 246 integrations on 190 of 190 possible baselines. ! AN table 2: 27 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0552342 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2382 lines of history. ! ! Reading 11460 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 J0457-2324_X_2000_03_13_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 4105 telescope corrections were flagged in sub-array 1. ! A total of 480 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 4105 telescope corrections were flagged in sub-array 1. ! A total of 480 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 4105 telescope corrections were flagged in sub-array 1. ! A total of 480 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 4105 telescope corrections were flagged in sub-array 1. ! A total of 480 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.019575Jy sigma=0.007274 ! Fit after self-cal, rms=0.678889Jy sigma=0.003001 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.14% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=0.5893 mas, bmaj=1.356 mas, bpa=-0.1135 degrees ! Estimated noise=1494.73 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 = 0.828461 Jy ! Component: 100 - total flux cleaned = 1.07524 Jy ! Total flux subtracted in 100 components = 1.07524 Jy ! Clean residual min=-0.040292 max=0.114377 Jy/beam ! Clean residual mean=-0.000663 rms=0.013365 Jy/beam ! Combined flux in latest and established models = 1.07525 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 1.07525 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.657519Jy sigma=0.002557 ! Fit after self-cal, rms=0.657469Jy sigma=0.002557 ! Inverting map ! Your choice of large map pixels excluded 2.14% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.130482 Jy ! Component: 100 - total flux cleaned = 0.202623 Jy ! Total flux subtracted in 100 components = 0.202623 Jy ! Clean residual min=-0.030857 max=0.037477 Jy/beam ! Clean residual mean=-0.000245 rms=0.007455 Jy/beam ! Combined flux in latest and established models = 1.27787 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 17 components and 1.27787 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.630883Jy sigma=0.001635 ! Fit after self-cal, rms=0.630855Jy sigma=0.001634 ! Inverting map ! Your choice of large map pixels excluded 2.14% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.14% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=0.8301 mas, bmaj=1.662 mas, bpa=5.542 degrees ! Estimated noise=900.266 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 = 0.0594841 Jy ! Component: 100 - total flux cleaned = 0.0857137 Jy ! Component: 150 - total flux cleaned = 0.0983369 Jy ! Component: 200 - total flux cleaned = 0.104413 Jy ! Total flux subtracted in 200 components = 0.104413 Jy ! Clean residual min=-0.022166 max=0.021455 Jy/beam ! Clean residual mean=-0.000267 rms=0.005500 Jy/beam ! Combined flux in latest and established models = 1.38228 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 20 components and 1.38228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.628845Jy sigma=0.001437 ! Fit after self-cal, rms=0.628830Jy sigma=0.001436 ! Inverting map ! Your choice of large map pixels excluded 2.14% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 GC 1.00* KP 1.01 ! LA 1.01 NL 1.02 OV 0.99 PT 0.99 ! SC 0.98 WF 1.08 HH 1.02 KK 0.99 ! MA 1.05 MC 1.36 MK 0.94 NY 1.00* ! ON 1.19 TS 1.00* WZ 1.00 HN 0.98 ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 2. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 GC 1.00* KP 0.98 ! LA 0.97 NL 1.06 OV 0.98 PT 0.94 ! SC 0.97 WF 1.09 HH 1.05 KK 0.98 ! MA 1.04 MC 1.35 MK 0.98 NY 1.00* ! ON 1.20 TS 1.00* WZ 0.97 HN 1.08 ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 3. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 GC 1.00* KP 0.99 ! LA 0.97 NL 1.00 OV 0.98 PT 0.98 ! SC 0.99 WF 1.08 HH 1.01 KK 0.97 ! MA 1.05 MC 1.44 MK 0.95 NY 1.00* ! ON 1.20 TS 1.00* WZ 0.99 HN 1.02 ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Correcting IF 4. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 GC 1.00* KP 0.98 ! LA 0.98 NL 1.02 OV 0.99 PT 0.99 ! SC 1.06 WF 1.10 HH 1.03 KK 0.97 ! MA 0.98 MC 1.44 MK 0.98 NY 1.00* ! ON 1.26 TS 1.00* WZ 1.01 HN 1.16 ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* KP 0.00* ! LA 0.00* NL 0.00* OV 0.00* PT 0.00* ! SC 0.00* WF 0.00* HH 0.00* KK 0.00* ! MA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* TS 0.00* WZ 0.00* HN 0.00* ! ! ! Fit before self-cal, rms=0.628830Jy sigma=0.001436 ! Fit after self-cal, rms=0.678380Jy sigma=0.001327 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=0.8652 mas, bmaj=1.711 mas, bpa=3.718 degrees ! Estimated noise=926.071 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 = -0.00362418 Jy ! Component: 100 - total flux cleaned = -0.00411464 Jy ! Component: 150 - total flux cleaned = -0.00433611 Jy ! Component: 200 - total flux cleaned = -0.00433867 Jy ! Total flux subtracted in 200 components = -0.00433867 Jy ! Clean residual min=-0.014889 max=0.012457 Jy/beam ! Clean residual mean=0.000156 rms=0.004266 Jy/beam ! Combined flux in latest and established models = 1.37794 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 25 components and 1.37794 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.678150Jy sigma=0.001324 ! Fit after self-cal, rms=0.678526Jy sigma=0.001323 ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 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=0.678526Jy sigma=0.001323 ! Fit after self-cal, rms=0.678382Jy sigma=0.001282 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=0.8689 mas, bmaj=1.707 mas, bpa=3.458 degrees ! Estimated noise=925.742 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0027199 Jy ! Component: 100 - total flux cleaned = -0.00321019 Jy ! Component: 150 - total flux cleaned = -0.00350763 Jy ! Component: 200 - total flux cleaned = -0.00365153 Jy ! Total flux subtracted in 200 components = -0.00365153 Jy ! Clean residual min=-0.011386 max=0.009896 Jy/beam ! Clean residual mean=0.000158 rms=0.003033 Jy/beam ! Combined flux in latest and established models = 1.37429 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 28 components and 1.37429 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.678329Jy sigma=0.001280 ! Fit after self-cal, rms=0.678286Jy sigma=0.001280 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 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 = -0.00013261 Jy ! Component: 100 - total flux cleaned = -0.000256487 Jy ! Component: 150 - total flux cleaned = -0.000368308 Jy ! Component: 200 - total flux cleaned = -0.000478768 Jy ! Total flux subtracted in 200 components = -0.000478768 Jy ! Clean residual min=-0.011308 max=0.009772 Jy/beam ! Clean residual mean=0.000156 rms=0.003024 Jy/beam ! Combined flux in latest and established models = 1.37381 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 28 components and 1.37381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.678260Jy sigma=0.001280 ! Fit after self-cal, rms=0.678264Jy sigma=0.001280 ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 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=0.678264Jy sigma=0.001280 ! Fit after self-cal, rms=0.678786Jy sigma=0.001214 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=0.8718 mas, bmaj=1.704 mas, bpa=3.758 degrees ! Estimated noise=926.333 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00252801 Jy ! Component: 100 - total flux cleaned = -0.00280356 Jy ! Component: 150 - total flux cleaned = -0.00338292 Jy ! Component: 200 - total flux cleaned = -0.00368678 Jy ! Total flux subtracted in 200 components = -0.00368678 Jy ! Clean residual min=-0.005467 max=0.005236 Jy/beam ! Clean residual mean=0.000108 rms=0.001334 Jy/beam ! Combined flux in latest and established models = 1.37012 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 28 components and 1.37012 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.678733Jy sigma=0.001213 ! Fit after self-cal, rms=0.678719Jy sigma=0.001212 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 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 = -0.000199769 Jy ! Component: 100 - total flux cleaned = -0.00037539 Jy ! Component: 150 - total flux cleaned = -0.000457348 Jy ! Component: 200 - total flux cleaned = -0.000534877 Jy ! Total flux subtracted in 200 components = -0.000534877 Jy ! Clean residual min=-0.005280 max=0.005211 Jy/beam ! Clean residual mean=0.000106 rms=0.001326 Jy/beam ! Combined flux in latest and established models = 1.36959 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 29 components and 1.36959 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.678699Jy sigma=0.001212 ! Fit after self-cal, rms=0.678694Jy sigma=0.001212 ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 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=0.678694Jy sigma=0.001212 ! Fit after self-cal, rms=0.680917Jy sigma=0.001212 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=2.374 mas, bmaj=5.146 mas, bpa=-0.8448 degrees ! Estimated noise=1038.9 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00301689 Jy ! Component: 100 - total flux cleaned = -0.00316087 Jy ! Component: 150 - total flux cleaned = -0.0031609 Jy ! Component: 200 - total flux cleaned = -0.00315996 Jy ! Total flux subtracted in 200 components = -0.00315996 Jy ! Clean residual min=-0.004610 max=0.005615 Jy/beam ! Clean residual mean=0.000174 rms=0.001427 Jy/beam ! Combined flux in latest and established models = 1.36643 Jy selfcal ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 29 components and 1.36643 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.680951Jy sigma=0.001211 ! Fit after self-cal, rms=0.680961Jy sigma=0.001211 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 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 = -0.000152155 Jy ! Component: 100 - total flux cleaned = -0.000150733 Jy ! Component: 150 - total flux cleaned = -0.000147066 Jy ! Component: 200 - total flux cleaned = -0.000145724 Jy ! Total flux subtracted in 200 components = -0.000145724 Jy ! Clean residual min=-0.004587 max=0.005691 Jy/beam ! Clean residual mean=0.000173 rms=0.001437 Jy/beam ! Combined flux in latest and established models = 1.36628 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 29 components and 1.36628 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.680985Jy sigma=0.001211 ! Fit after self-cal, rms=0.680986Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=0.8737 mas, bmaj=1.707 mas, bpa=3.805 degrees ! Estimated noise=927.006 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8737 x 1.707 at 3.805 degrees (North through East) ! Clean map min=-0.004351 max=1.1676 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=0.680986Jy sigma=0.001211 ! Fit after self-cal, rms=0.895973Jy sigma=0.001101 ! Inverting map and beam ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=0.8741 mas, bmaj=1.707 mas, bpa=3.933 degrees ! Estimated noise=925.639 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00100702 Jy ! Component: 100 - total flux cleaned = -0.00127977 Jy ! Component: 150 - total flux cleaned = -0.00144879 Jy ! Component: 200 - total flux cleaned = -0.00160783 Jy ! Total flux subtracted in 200 components = -0.00160783 Jy ! Clean residual min=-0.004821 max=0.004923 Jy/beam ! Clean residual mean=0.000073 rms=0.001247 Jy/beam ! Combined flux in latest and established models = 1.36468 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 29 components and 1.36468 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.895947Jy sigma=0.001100 ! Fit after self-cal, rms=0.895948Jy sigma=0.001100 ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.90786e-05 Jy ! Component: 100 - total flux cleaned = -0.000234765 Jy ! Component: 150 - total flux cleaned = -0.000366219 Jy ! Component: 200 - total flux cleaned = -0.000429257 Jy ! Total flux subtracted in 200 components = -0.000429257 Jy ! Clean residual min=-0.004823 max=0.005032 Jy/beam ! Clean residual mean=0.000071 rms=0.001241 Jy/beam ! Combined flux in latest and established models = 1.36425 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 30 components and 1.36425 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.895930Jy sigma=0.001100 ! Fit after self-cal, rms=0.895933Jy sigma=0.001100 ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.895933Jy sigma=0.001100 ! Fit after self-cal, rms=0.898528Jy sigma=0.001100 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=0.6289 mas, bmaj=1.389 mas, bpa=-2.912 degrees ! Estimated noise=1584.11 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.868683 Jy ! Component: 100 - total flux cleaned = 1.10283 Jy ! Component: 150 - total flux cleaned = 1.21707 Jy ! Component: 200 - total flux cleaned = 1.27711 Jy ! Total flux subtracted in 200 components = 1.27711 Jy ! Clean residual min=-0.014303 max=0.028758 Jy/beam ! Clean residual mean=-0.000174 rms=0.003638 Jy/beam ! Combined flux in latest and established models = 1.27711 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 19 model components to the UV plane model. ! The established model now contains 19 components and 1.27711 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=0.8754 mas, bmaj=1.71 mas, bpa=3.923 degrees ! Estimated noise=926.095 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 = 0.045961 Jy ! Component: 100 - total flux cleaned = 0.0658735 Jy ! Component: 150 - total flux cleaned = 0.0750351 Jy ! Component: 200 - total flux cleaned = 0.0792925 Jy ! Total flux subtracted in 200 components = 0.0792925 Jy ! Clean residual min=-0.005345 max=0.006137 Jy/beam ! Clean residual mean=0.000041 rms=0.001295 Jy/beam ! Combined flux in latest and established models = 1.3564 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 41 components and 1.3564 Jy ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Added new window around map position (-1.8, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00623485 Jy ! Component: 100 - total flux cleaned = 0.00871698 Jy ! Component: 150 - total flux cleaned = 0.00955366 Jy ! Component: 200 - total flux cleaned = 0.00982567 Jy ! Total flux subtracted in 200 components = 0.00982567 Jy ! Clean residual min=-0.004837 max=0.004583 Jy/beam ! Clean residual mean=0.000068 rms=0.001114 Jy/beam ! Combined flux in latest and established models = 1.36623 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 53 components and 1.36623 Jy ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=2.375 mas, bmaj=5.149 mas, bpa=-0.8065 degrees ! Estimated noise=1036.56 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000914336 Jy ! Component: 100 - total flux cleaned = 0.000951801 Jy ! Component: 150 - total flux cleaned = 0.000985583 Jy ! Component: 200 - total flux cleaned = 0.00104689 Jy ! Total flux subtracted in 200 components = 0.00104689 Jy ! Clean residual min=-0.003433 max=0.004386 Jy/beam ! Clean residual mean=0.000141 rms=0.001047 Jy/beam ! Combined flux in latest and established models = 1.36727 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 = 5.70981e-05 Jy ! Component: 100 - total flux cleaned = 8.38306e-05 Jy ! Component: 150 - total flux cleaned = 0.000109947 Jy ! Component: 200 - total flux cleaned = 0.000134787 Jy ! Total flux subtracted in 200 components = 0.000134787 Jy ! Clean residual min=-0.003466 max=0.004324 Jy/beam ! Clean residual mean=0.000141 rms=0.001040 Jy/beam ! Combined flux in latest and established models = 1.36741 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 63 components and 1.36741 Jy ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! Estimated beam: bmin=0.8754 mas, bmaj=1.71 mas, bpa=3.923 degrees ! Estimated noise=926.095 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000118287 Jy ! Component: 100 - total flux cleaned = 4.88932e-05 Jy ! Component: 150 - total flux cleaned = 0.000124193 Jy ! Component: 200 - total flux cleaned = 0.000123153 Jy ! Total flux subtracted in 200 components = 0.000123153 Jy ! Clean residual min=-0.004842 max=0.004167 Jy/beam ! Clean residual mean=0.000071 rms=0.001086 Jy/beam ! Combined flux in latest and established models = 1.36753 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 70 components and 1.36753 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.898321Jy sigma=0.001099 ! Fit after self-cal, rms=0.898262Jy sigma=0.001098 wmodel J0457-2324_X_2000_03_13_pus_map.mod ! Writing 70 model components to file: J0457-2324_X_2000_03_13_pus_map.mod wobs J0457-2324_X_2000_03_13_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_2000_03_13_pus_uvs.fits wwins J0457-2324_X_2000_03_13_pus_map.win ! wwins: Wrote 2 windows to J0457-2324_X_2000_03_13_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000883167 Jy ! Component: 100 - total flux cleaned = -0.000807012 Jy ! Component: 150 - total flux cleaned = -0.000949916 Jy ! Component: 200 - total flux cleaned = -0.00108893 Jy ! Component: 250 - total flux cleaned = -0.00102272 Jy ! Component: 300 - total flux cleaned = -0.000893315 Jy ! Component: 350 - total flux cleaned = -0.000831176 Jy ! Component: 400 - total flux cleaned = -0.00058758 Jy ! Component: 450 - total flux cleaned = -0.000289736 Jy ! Component: 500 - total flux cleaned = -0.000173125 Jy ! Component: 550 - total flux cleaned = 0.000113469 Jy ! Component: 600 - total flux cleaned = 0.000226248 Jy ! Component: 650 - total flux cleaned = 0.000391981 Jy ! Component: 700 - total flux cleaned = 0.000771371 Jy ! Component: 750 - total flux cleaned = 0.00103754 Jy ! Component: 800 - total flux cleaned = 0.00124869 Jy ! Component: 850 - total flux cleaned = 0.00156107 Jy ! Component: 900 - total flux cleaned = 0.00207323 Jy ! Component: 950 - total flux cleaned = 0.00222423 Jy ! Component: 1000 - total flux cleaned = 0.00247329 Jy ! Component: 1050 - total flux cleaned = 0.00266956 Jy ! Component: 1100 - total flux cleaned = 0.00300964 Jy ! Component: 1150 - total flux cleaned = 0.00315252 Jy ! Component: 1200 - total flux cleaned = 0.00334186 Jy ! Component: 1250 - total flux cleaned = 0.00348234 Jy ! Component: 1300 - total flux cleaned = 0.00357516 Jy ! Component: 1350 - total flux cleaned = 0.00380417 Jy ! Component: 1400 - total flux cleaned = 0.00398512 Jy ! Component: 1450 - total flux cleaned = 0.00394022 Jy ! Component: 1500 - total flux cleaned = 0.00442926 Jy ! Component: 1550 - total flux cleaned = 0.0045615 Jy ! Component: 1600 - total flux cleaned = 0.00477984 Jy ! Component: 1650 - total flux cleaned = 0.00512552 Jy ! Component: 1700 - total flux cleaned = 0.00521123 Jy ! Component: 1750 - total flux cleaned = 0.00559364 Jy ! Component: 1800 - total flux cleaned = 0.00571946 Jy ! Component: 1850 - total flux cleaned = 0.00617802 Jy ! Component: 1900 - total flux cleaned = 0.00638444 Jy ! Component: 1950 - total flux cleaned = 0.00671241 Jy ! Component: 2000 - total flux cleaned = 0.00703784 Jy ! Total flux subtracted in 2048 components = 0.00732052 Jy ! Clean residual min=-0.002301 max=0.002174 Jy/beam ! Clean residual mean=0.000062 rms=0.000714 Jy/beam ! Combined flux in latest and established models = 1.37485 Jy keep ! Adding 128 model components to the UV plane model. ! The established model now contains 198 components and 1.37485 Jy ![Exited script file: muppet] wmap "J0457-2324_X_2000_03_13_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8754 x 1.71 at 3.923 degrees (North through East) ! Clean map min=-0.0041001 max=1.1733 Jy/beam ! Writing clean map to FITS file: J0457-2324_X_2000_03_13_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.17331 invert ! Inverting map ! Your choice of large map pixels excluded 2.21% of the data. ! The x-axis pixel size should ideally be below 0.167 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000711046 device "J0457-2324_X_2000_03_13_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_2000_03_13_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.181805 0.181805 0.36361 0.72722 1.45444 2.90888 5.81776 11.6355 23.271 46.5421 93.0841 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.173 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8754 x 1.71 at 3.923 degrees (North through East) ! Clean map min=-0.0041001 max=1.1733 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. quit ! Quitting program ! Log file J0457-2324_X_2000_03_13_pus_uvs.log closed on Mon Apr 1 13:25:54 2013