! Started logfile: J1920-2445_X_2010_06_23_pus_uvs.log on Thu Jan 27 23:43:44 2011 obs J1920-2445_X_2010_06_23_pus_uva.fits ! Reading UV FITS file: J1920-2445_X_2010_06_23_pus_uva.fits ! AN table 1: 95 integrations on 105 of 105 possible baselines. ! AN table 2: 95 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.420251 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1920-2445 ! ! 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 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3588 lines of history. ! ! Reading 33536 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1920-2445_X_2010_06_23_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 477 telescope corrections were flagged in sub-array 1. ! A total of 492 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 477 telescope corrections were flagged in sub-array 1. ! A total of 492 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 477 telescope corrections were flagged in sub-array 1. ! A total of 492 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 477 telescope corrections were flagged in sub-array 1. ! A total of 492 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.952353Jy sigma=0.010888 ! Fit after self-cal, rms=0.900300Jy sigma=0.010391 ! 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 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.6481 mas, bmaj=1.713 mas, bpa=-10.25 degrees ! Estimated noise=835.866 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 = 0.0801415 Jy ! Component: 100 - total flux cleaned = 0.102765 Jy ! Total flux subtracted in 100 components = 0.102765 Jy ! Clean residual min=-0.006655 max=0.010425 Jy/beam ! Clean residual mean=0.000160 rms=0.002090 Jy/beam ! Combined flux in latest and established models = 0.102765 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 19 components and 0.102765 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.143074Jy sigma=0.001349 ! Fit after self-cal, rms=0.142976Jy sigma=0.001348 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.8278 mas, bmaj=2.056 mas, bpa=-7.793 degrees ! Estimated noise=345.472 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 = 0.0187296 Jy ! Component: 100 - total flux cleaned = 0.0275486 Jy ! Component: 150 - total flux cleaned = 0.0322392 Jy ! Component: 200 - total flux cleaned = 0.0348378 Jy ! Total flux subtracted in 200 components = 0.0348378 Jy ! Clean residual min=-0.002109 max=0.004842 Jy/beam ! Clean residual mean=0.000074 rms=0.000757 Jy/beam ! Combined flux in latest and established models = 0.137603 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 48 components and 0.137603 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141032Jy sigma=0.001314 ! Fit after self-cal, rms=0.140977Jy sigma=0.001313 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Added new window around map position (-1.2, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00442312 Jy ! Component: 100 - total flux cleaned = 0.00590511 Jy ! Component: 150 - total flux cleaned = 0.00616639 Jy ! Component: 200 - total flux cleaned = 0.00634211 Jy ! Total flux subtracted in 200 components = 0.00634211 Jy ! Clean residual min=-0.001700 max=0.002884 Jy/beam ! Clean residual mean=0.000028 rms=0.000562 Jy/beam ! Combined flux in latest and established models = 0.143945 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 72 components and 0.143945 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140827Jy sigma=0.001311 ! Fit after self-cal, rms=0.140798Jy sigma=0.001311 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 0.94 FD 0.99 HN 1.10 KK 1.00* ! KP 0.99 LA 0.99 MA 1.00* MK 0.97 ! NL 1.02 NY 1.00* OV 0.99 PT 1.02 ! SC 1.00 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.00 HN 1.07 KK 1.00* ! KP 0.99 LA 0.98 MA 1.00* MK 0.93 ! NL 1.00 NY 1.00* OV 0.97 PT 1.00 ! SC 1.01 TS 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 1.08 KK 1.00* ! KP 0.98 LA 0.99 MA 1.00* MK 0.99 ! NL 1.05 NY 1.00* OV 0.99 PT 0.98 ! SC 1.06 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.97 HN 1.12 KK 1.00* ! KP 0.99 LA 1.02 MA 1.00* MK 0.96 ! NL 1.01 NY 1.00* OV 1.02 PT 0.99 ! SC 1.07 TS 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.95 HN 0.98 KK 1.00* ! KP 0.94 LA 1.03 MA 1.00* MK 0.99 ! NL 1.03 NY 1.00* OV 1.03 PT 0.99 ! SC 0.94 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.97 HN 1.05 KK 1.00* ! KP 0.98 LA 1.02 MA 1.00* MK 0.95 ! NL 1.00 NY 1.00* OV 1.03 PT 0.98 ! SC 0.96 TS 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.01 HN 1.00 KK 1.00* ! KP 1.02 LA 0.97 MA 1.00* MK 0.95 ! NL 1.05 NY 1.00* OV 1.02 PT 1.01 ! SC 1.11 TS 1.00* ZC 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.95 HN 0.98 KK 1.00* ! KP 0.97 LA 1.02 MA 1.00* MK 1.43 ! NL 0.99 NY 1.00* OV 0.98 PT 1.03 ! SC 1.00 TS 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.140798Jy sigma=0.001311 ! Fit after self-cal, rms=0.145264Jy sigma=0.001309 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.832 mas, bmaj=2.07 mas, bpa=-7.806 degrees ! Estimated noise=346.877 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 = 0.000980871 Jy ! Component: 100 - total flux cleaned = 0.000952661 Jy ! Component: 150 - total flux cleaned = 0.000866957 Jy ! Component: 200 - total flux cleaned = 0.000770351 Jy ! Total flux subtracted in 200 components = 0.000770351 Jy ! Clean residual min=-0.001617 max=0.001997 Jy/beam ! Clean residual mean=0.000017 rms=0.000452 Jy/beam ! Combined flux in latest and established models = 0.144716 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 80 components and 0.144716 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145240Jy sigma=0.001308 ! Fit after self-cal, rms=0.145291Jy sigma=0.001308 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 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=0.145291Jy sigma=0.001308 ! Fit after self-cal, rms=0.144439Jy sigma=0.001308 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.8312 mas, bmaj=2.07 mas, bpa=-7.835 degrees ! Estimated noise=346.202 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000618589 Jy ! Component: 100 - total flux cleaned = 0.000561305 Jy ! Component: 150 - total flux cleaned = 0.000463153 Jy ! Component: 200 - total flux cleaned = 0.000398229 Jy ! Total flux subtracted in 200 components = 0.000398229 Jy ! Clean residual min=-0.001572 max=0.001874 Jy/beam ! Clean residual mean=0.000021 rms=0.000440 Jy/beam ! Combined flux in latest and established models = 0.145114 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 84 components and 0.145114 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144422Jy sigma=0.001308 ! Fit after self-cal, rms=0.144418Jy sigma=0.001308 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 = 0.000255057 Jy ! Component: 100 - total flux cleaned = 0.000142837 Jy ! Component: 150 - total flux cleaned = 8.24176e-05 Jy ! Component: 200 - total flux cleaned = 2.59133e-05 Jy ! Total flux subtracted in 200 components = 2.59133e-05 Jy ! Clean residual min=-0.001571 max=0.001811 Jy/beam ! Clean residual mean=0.000020 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.14514 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 90 components and 0.14514 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144407Jy sigma=0.001308 ! Fit after self-cal, rms=0.144408Jy sigma=0.001308 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 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=0.144408Jy sigma=0.001308 ! Fit after self-cal, rms=0.142934Jy sigma=0.001308 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.8305 mas, bmaj=2.07 mas, bpa=-7.846 degrees ! Estimated noise=345.449 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000304153 Jy ! Component: 100 - total flux cleaned = 0.000196658 Jy ! Component: 150 - total flux cleaned = 0.000119041 Jy ! Component: 200 - total flux cleaned = 8.28487e-05 Jy ! Total flux subtracted in 200 components = 8.28487e-05 Jy ! Clean residual min=-0.001530 max=0.001774 Jy/beam ! Clean residual mean=0.000026 rms=0.000429 Jy/beam ! Combined flux in latest and established models = 0.145223 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 91 components and 0.145223 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142923Jy sigma=0.001308 ! Fit after self-cal, rms=0.142912Jy sigma=0.001308 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 = 0.000118819 Jy ! Component: 100 - total flux cleaned = 4.40397e-05 Jy ! Component: 150 - total flux cleaned = -7.94814e-06 Jy ! Component: 200 - total flux cleaned = -4.06066e-05 Jy ! Total flux subtracted in 200 components = -4.06066e-05 Jy ! Clean residual min=-0.001536 max=0.001738 Jy/beam ! Clean residual mean=0.000026 rms=0.000427 Jy/beam ! Combined flux in latest and established models = 0.145182 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 93 components and 0.145182 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142904Jy sigma=0.001308 ! Fit after self-cal, rms=0.142904Jy sigma=0.001308 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 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=0.142904Jy sigma=0.001308 ! Fit after self-cal, rms=0.141965Jy sigma=0.001308 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=2.283 mas, bmaj=5.236 mas, bpa=-3.719 degrees ! Estimated noise=436.801 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000162355 Jy ! Component: 100 - total flux cleaned = 0.000217661 Jy ! Component: 150 - total flux cleaned = 0.00024469 Jy ! Component: 200 - total flux cleaned = 0.00024561 Jy ! Total flux subtracted in 200 components = 0.00024561 Jy ! Clean residual min=-0.001099 max=0.001957 Jy/beam ! Clean residual mean=0.000052 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.145428 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 101 components and 0.145427 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141963Jy sigma=0.001308 ! Fit after self-cal, rms=0.141954Jy sigma=0.001308 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 (12.4, 9.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00139423 Jy ! Component: 100 - total flux cleaned = 0.00133598 Jy ! Component: 150 - total flux cleaned = 0.00126438 Jy ! Component: 200 - total flux cleaned = 0.00124395 Jy ! Total flux subtracted in 200 components = 0.00124395 Jy ! Clean residual min=-0.001094 max=0.001060 Jy/beam ! Clean residual mean=0.000073 rms=0.000366 Jy/beam ! Combined flux in latest and established models = 0.146671 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 123 components and 0.146671 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141948Jy sigma=0.001308 ! Fit after self-cal, rms=0.141946Jy sigma=0.001308 ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.8302 mas, bmaj=2.071 mas, bpa=-7.86 degrees ! Estimated noise=345.029 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8302 x 2.071 at -7.86 degrees (North through East) ! Clean map min=-0.0017275 max=0.10671 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 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 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.6501 mas, bmaj=1.724 mas, bpa=-10.28 degrees ! Estimated noise=833.951 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0792255 Jy ! Component: 100 - total flux cleaned = 0.102428 Jy ! Component: 150 - total flux cleaned = 0.115813 Jy ! Component: 200 - total flux cleaned = 0.124883 Jy ! Total flux subtracted in 200 components = 0.124883 Jy ! Clean residual min=-0.005363 max=0.004960 Jy/beam ! Clean residual mean=0.000088 rms=0.001506 Jy/beam ! Combined flux in latest and established models = 0.124883 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 0.124883 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.8302 mas, bmaj=2.071 mas, bpa=-7.86 degrees ! Estimated noise=345.029 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 = 0.00974964 Jy ! Component: 100 - total flux cleaned = 0.0144512 Jy ! Component: 150 - total flux cleaned = 0.0170963 Jy ! Component: 200 - total flux cleaned = 0.0184492 Jy ! Total flux subtracted in 200 components = 0.0184492 Jy ! Clean residual min=-0.001618 max=0.001647 Jy/beam ! Clean residual mean=0.000055 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.143332 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 54 components and 0.143332 Jy ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 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 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=2.283 mas, bmaj=5.236 mas, bpa=-3.719 degrees ! Estimated noise=436.801 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00184534 Jy ! Component: 100 - total flux cleaned = 0.0029354 Jy ! Component: 150 - total flux cleaned = 0.00323927 Jy ! Component: 200 - total flux cleaned = 0.00337877 Jy ! Total flux subtracted in 200 components = 0.00337877 Jy ! Clean residual min=-0.000952 max=0.001091 Jy/beam ! Clean residual mean=0.000080 rms=0.000380 Jy/beam ! Combined flux in latest and established models = 0.146711 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 = 9.51787e-05 Jy ! Component: 100 - total flux cleaned = 9.5454e-05 Jy ! Component: 150 - total flux cleaned = 0.000116409 Jy ! Component: 200 - total flux cleaned = 0.000152666 Jy ! Total flux subtracted in 200 components = 0.000152666 Jy ! Clean residual min=-0.000946 max=0.001035 Jy/beam ! Clean residual mean=0.000072 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 0.146864 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 82 components and 0.146864 Jy ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! Estimated beam: bmin=0.8302 mas, bmaj=2.071 mas, bpa=-7.86 degrees ! Estimated noise=345.029 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000156349 Jy ! Component: 100 - total flux cleaned = -0.000113692 Jy ! Component: 150 - total flux cleaned = -7.64447e-05 Jy ! Component: 200 - total flux cleaned = -4.36349e-05 Jy ! Total flux subtracted in 200 components = -4.36349e-05 Jy ! Clean residual min=-0.001456 max=0.001542 Jy/beam ! Clean residual mean=0.000036 rms=0.000390 Jy/beam ! Combined flux in latest and established models = 0.14682 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 101 components and 0.14682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141931Jy sigma=0.001307 ! Fit after self-cal, rms=0.141910Jy sigma=0.001307 wmodel J1920-2445_X_2010_06_23_pus_map.mod ! Writing 101 model components to file: J1920-2445_X_2010_06_23_pus_map.mod wobs J1920-2445_X_2010_06_23_pus_uvs.fits ! Writing UV FITS file: J1920-2445_X_2010_06_23_pus_uvs.fits wwins J1920-2445_X_2010_06_23_pus_map.win ! wwins: Wrote 3 windows to J1920-2445_X_2010_06_23_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 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000156802 Jy ! Component: 100 - total flux cleaned = -0.000327423 Jy ! Component: 150 - total flux cleaned = -0.000350239 Jy ! Component: 200 - total flux cleaned = -0.000262834 Jy ! Component: 250 - total flux cleaned = -0.000159054 Jy ! Component: 300 - total flux cleaned = -1.80983e-05 Jy ! Component: 350 - total flux cleaned = 0.000156887 Jy ! Component: 400 - total flux cleaned = 0.000250774 Jy ! Component: 450 - total flux cleaned = 0.00032392 Jy ! Component: 500 - total flux cleaned = 0.000377325 Jy ! Component: 550 - total flux cleaned = 0.000463984 Jy ! Component: 600 - total flux cleaned = 0.000514693 Jy ! Component: 650 - total flux cleaned = 0.000498283 Jy ! Component: 700 - total flux cleaned = 0.000563341 Jy ! Component: 750 - total flux cleaned = 0.000563174 Jy ! Component: 800 - total flux cleaned = 0.000579021 Jy ! Component: 850 - total flux cleaned = 0.00068598 Jy ! Component: 900 - total flux cleaned = 0.000685866 Jy ! Component: 950 - total flux cleaned = 0.000745024 Jy ! Component: 1000 - total flux cleaned = 0.000774184 Jy ! Total flux subtracted in 1024 components = 0.000817296 Jy ! Clean residual min=-0.000798 max=0.000854 Jy/beam ! Clean residual mean=0.000021 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.147637 Jy keep ! Adding 64 model components to the UV plane model. ! The established model now contains 165 components and 0.147637 Jy ![Exited script file: muppet] wmap "J1920-2445_X_2010_06_23_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8302 x 2.071 at -7.86 degrees (North through East) ! Clean map min=-0.0010865 max=0.10727 Jy/beam ! Writing clean map to FITS file: J1920-2445_X_2010_06_23_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.107266 invert ! Inverting map ! Your choice of large map pixels excluded 0.561% of the data. ! The x-axis pixel size should ideally be below 0.1966 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000280453 device "J1920-2445_X_2010_06_23_pus\_map.eps/VPS" ! Attempting to open device: 'J1920-2445_X_2010_06_23_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.784369 0.784369 1.56874 3.13748 6.27495 12.5499 25.0998 50.1996 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.107 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8302 x 2.071 at -7.86 degrees (North through East) ! Clean map min=-0.0010865 max=0.10727 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1920-2445_X_2010_06_23_pus\_map.gif/vgif" ! Attempting to open device: 'J1920-2445_X_2010_06_23_pus_map.gif/vgif' mapplot cln