! Started logfile: J1923-2104_X_2010_06_23_pus_uvs.log on Thu Jan 27 23:43:50 2011 obs J1923-2104_X_2010_06_23_pus_uva.fits ! Reading UV FITS file: J1923-2104_X_2010_06_23_pus_uva.fits ! AN table 1: 66 integrations on 105 of 105 possible baselines. ! AN table 2: 114 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.152487 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1923-2104 ! ! 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 11528 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 J1923-2104_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 760 telescope corrections were flagged in sub-array 1. ! A total of 990 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 760 telescope corrections were flagged in sub-array 1. ! A total of 1051 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 760 telescope corrections were flagged in sub-array 1. ! A total of 990 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 760 telescope corrections were flagged in sub-array 1. ! A total of 990 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.523083Jy sigma=0.005010 ! Fit after self-cal, rms=0.415784Jy sigma=0.004195 ! 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 3.37% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.6357 mas, bmaj=1.985 mas, bpa=-1.443 degrees ! Estimated noise=1123.47 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.745321 Jy ! Component: 100 - total flux cleaned = 0.97345 Jy ! Total flux subtracted in 100 components = 0.97345 Jy ! Clean residual min=-0.039669 max=0.103781 Jy/beam ! Clean residual mean=0.002042 rms=0.016296 Jy/beam ! Combined flux in latest and established models = 0.97345 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.97345 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397199Jy sigma=0.004145 ! Fit after self-cal, rms=0.396688Jy sigma=0.004141 ! Inverting map ! Your choice of large map pixels excluded 3.37% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Added new window around map position (-0.6, 1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.123427 Jy ! Component: 100 - total flux cleaned = 0.208085 Jy ! Total flux subtracted in 100 components = 0.208085 Jy ! Clean residual min=-0.028926 max=0.072100 Jy/beam ! Clean residual mean=0.001432 rms=0.011426 Jy/beam ! Combined flux in latest and established models = 1.18154 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 32 components and 1.18154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.317066Jy sigma=0.003029 ! Fit after self-cal, rms=0.315486Jy sigma=0.003018 ! Inverting map ! Your choice of large map pixels excluded 3.37% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 3.37% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.9257 mas, bmaj=2.637 mas, bpa=-4.188 degrees ! Estimated noise=703.693 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 = 0.154244 Jy ! Component: 100 - total flux cleaned = 0.245515 Jy ! Component: 150 - total flux cleaned = 0.300772 Jy ! Component: 200 - total flux cleaned = 0.334385 Jy ! Total flux subtracted in 200 components = 0.334385 Jy ! Clean residual min=-0.033192 max=0.073932 Jy/beam ! Clean residual mean=0.002228 rms=0.011958 Jy/beam ! Combined flux in latest and established models = 1.51592 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 52 components and 1.51592 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.247251Jy sigma=0.001918 ! Fit after self-cal, rms=0.244566Jy sigma=0.001887 ! Inverting map ! Your choice of large map pixels excluded 3.37% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Added new window around map position (1.2, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0638145 Jy ! Component: 100 - total flux cleaned = 0.0949766 Jy ! Component: 150 - total flux cleaned = 0.114136 Jy ! Component: 200 - total flux cleaned = 0.118624 Jy ! Total flux subtracted in 200 components = 0.118624 Jy ! Clean residual min=-0.031954 max=0.029317 Jy/beam ! Clean residual mean=-0.000648 rms=0.007254 Jy/beam ! Combined flux in latest and established models = 1.63454 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 85 components and 1.63454 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227738Jy sigma=0.001670 ! Fit after self-cal, rms=0.226010Jy sigma=0.001639 ! Inverting map ! Your choice of large map pixels excluded 3.37% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.98 HN 1.17 KK 0.99 ! KP 0.95 LA 0.96 MA 1.00* MK 0.98 ! NL 0.99 NY 1.00* OV 0.97 PT 0.95 ! SC 1.01 TS 1.01 ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.98 HN 1.13 KK 1.00* ! KP 0.97 LA 0.99 MA 1.01 MK 1.00* ! NL 1.02 NY 1.00* OV 0.99 PT 1.01 ! SC 1.03 TS 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 1.20 KK 1.01 ! KP 0.95 LA 0.98 MA 1.00* MK 0.98 ! NL 1.01 NY 1.00* OV 0.99 PT 0.95 ! SC 1.02 TS 0.98 ZC 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 0.98 HN 1.12 KK 1.00* ! KP 0.97 LA 1.02 MA 1.00* MK 1.00* ! NL 1.04 NY 1.00* OV 1.02 PT 1.00 ! SC 1.07 TS 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 HN 1.20 KK 0.98 ! KP 0.95 LA 0.97 MA 1.00* MK 0.99 ! NL 0.96 NY 1.00* OV 0.96 PT 0.95 ! SC 0.94 TS 0.98 ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.98 HN 1.12 KK 1.00* ! KP 0.96 LA 1.01 MA 1.04 MK 1.00* ! NL 0.98 NY 1.00* OV 0.98 PT 1.01 ! SC 1.00 TS 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.95 HN 1.19 KK 0.97 ! KP 0.96 LA 0.96 MA 1.00* MK 0.98 ! NL 0.97 NY 1.00* OV 0.96 PT 0.97 ! SC 0.95 TS 0.92 ZC 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.11 FD 0.99 HN 1.12 KK 1.00* ! KP 0.96 LA 1.00 MA 1.04 MK 1.00* ! NL 1.00 NY 1.00* OV 0.98 PT 1.02 ! SC 1.00 TS 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.226010Jy sigma=0.001639 ! Fit after self-cal, rms=0.222651Jy sigma=0.001511 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.9413 mas, bmaj=2.66 mas, bpa=-4.759 degrees ! Estimated noise=714.79 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 = -0.0104549 Jy ! Component: 100 - total flux cleaned = -0.0126826 Jy ! Component: 150 - total flux cleaned = -0.0126503 Jy ! Component: 200 - total flux cleaned = -0.0122666 Jy ! Total flux subtracted in 200 components = -0.0122666 Jy ! Clean residual min=-0.018928 max=0.012978 Jy/beam ! Clean residual mean=-0.000544 rms=0.004791 Jy/beam ! Combined flux in latest and established models = 1.62228 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 98 components and 1.62228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219134Jy sigma=0.001484 ! Fit after self-cal, rms=0.219104Jy sigma=0.001482 ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 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=0.219104Jy sigma=0.001482 ! Fit after self-cal, rms=0.216073Jy sigma=0.001434 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.9443 mas, bmaj=2.67 mas, bpa=-4.681 degrees ! Estimated noise=712.015 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00932078 Jy ! Component: 100 - total flux cleaned = -0.0109326 Jy ! Component: 150 - total flux cleaned = -0.0118879 Jy ! Component: 200 - total flux cleaned = -0.011895 Jy ! Total flux subtracted in 200 components = -0.011895 Jy ! Clean residual min=-0.015329 max=0.009715 Jy/beam ! Clean residual mean=-0.000530 rms=0.003914 Jy/beam ! Combined flux in latest and established models = 1.61038 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 103 components and 1.61038 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214261Jy sigma=0.001420 ! Fit after self-cal, rms=0.214151Jy sigma=0.001419 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 = 0.00117229 Jy ! Component: 100 - total flux cleaned = 0.00165216 Jy ! Component: 150 - total flux cleaned = 0.00205872 Jy ! Component: 200 - total flux cleaned = 0.00206208 Jy ! Total flux subtracted in 200 components = 0.00206208 Jy ! Clean residual min=-0.014448 max=0.009209 Jy/beam ! Clean residual mean=-0.000568 rms=0.003812 Jy/beam ! Combined flux in latest and established models = 1.61245 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 110 components and 1.61245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213536Jy sigma=0.001414 ! Fit after self-cal, rms=0.213433Jy sigma=0.001414 ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 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=0.213433Jy sigma=0.001414 ! Fit after self-cal, rms=0.219722Jy sigma=0.001342 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.9466 mas, bmaj=2.677 mas, bpa=-4.571 degrees ! Estimated noise=715.507 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00450431 Jy ! Component: 100 - total flux cleaned = -0.00481295 Jy ! Component: 150 - total flux cleaned = -0.00481481 Jy ! Component: 200 - total flux cleaned = -0.00505433 Jy ! Total flux subtracted in 200 components = -0.00505433 Jy ! Clean residual min=-0.008336 max=0.006463 Jy/beam ! Clean residual mean=0.000146 rms=0.001883 Jy/beam ! Combined flux in latest and established models = 1.60739 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 117 components and 1.60739 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218472Jy sigma=0.001333 ! Fit after self-cal, rms=0.218592Jy sigma=0.001332 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 = -9.91244e-05 Jy ! Component: 100 - total flux cleaned = 0.000116812 Jy ! Component: 150 - total flux cleaned = -8.50157e-05 Jy ! Component: 200 - total flux cleaned = -0.000453346 Jy ! Total flux subtracted in 200 components = -0.000453346 Jy ! Clean residual min=-0.007353 max=0.005618 Jy/beam ! Clean residual mean=0.000155 rms=0.001739 Jy/beam ! Combined flux in latest and established models = 1.60694 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 121 components and 1.60694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.217990Jy sigma=0.001327 ! Fit after self-cal, rms=0.217888Jy sigma=0.001326 ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 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=0.217888Jy sigma=0.001326 ! Fit after self-cal, rms=0.220675Jy sigma=0.001325 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=2.214 mas, bmaj=4.445 mas, bpa=-11.36 degrees ! Estimated noise=835.138 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00477771 Jy ! Component: 100 - total flux cleaned = -0.0049074 Jy ! Component: 150 - total flux cleaned = -0.00515269 Jy ! Component: 200 - total flux cleaned = -0.00516097 Jy ! Total flux subtracted in 200 components = -0.00516097 Jy ! Clean residual min=-0.005107 max=0.004919 Jy/beam ! Clean residual mean=0.000276 rms=0.001544 Jy/beam ! Combined flux in latest and established models = 1.60178 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 127 components and 1.60178 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220522Jy sigma=0.001323 ! Fit after self-cal, rms=0.220490Jy sigma=0.001322 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 = -0.00082512 Jy ! Component: 100 - total flux cleaned = -0.000479161 Jy ! Component: 150 - total flux cleaned = -0.000201795 Jy ! Component: 200 - total flux cleaned = -0.000273618 Jy ! Total flux subtracted in 200 components = -0.000273618 Jy ! Clean residual min=-0.004694 max=0.004613 Jy/beam ! Clean residual mean=0.000282 rms=0.001474 Jy/beam ! Combined flux in latest and established models = 1.6015 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 134 components and 1.6015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220475Jy sigma=0.001322 ! Fit after self-cal, rms=0.220426Jy sigma=0.001322 ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.9468 mas, bmaj=2.676 mas, bpa=-4.463 degrees ! Estimated noise=714.976 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9468 x 2.676 at -4.463 degrees (North through East) ! Clean map min=-0.0053763 max=1.021 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=0.220426Jy sigma=0.001322 ! Fit after self-cal, rms=0.215501Jy sigma=0.001187 ! Inverting map and beam ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.9491 mas, bmaj=2.684 mas, bpa=-4.458 degrees ! Estimated noise=715.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00238113 Jy ! Component: 100 - total flux cleaned = -0.00370132 Jy ! Component: 150 - total flux cleaned = -0.00436269 Jy ! Component: 200 - total flux cleaned = -0.00451182 Jy ! Total flux subtracted in 200 components = -0.00451182 Jy ! Clean residual min=-0.005139 max=0.004999 Jy/beam ! Clean residual mean=0.000151 rms=0.001417 Jy/beam ! Combined flux in latest and established models = 1.59699 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 140 components and 1.59699 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215032Jy sigma=0.001183 ! Fit after self-cal, rms=0.214951Jy sigma=0.001183 ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00022628 Jy ! Component: 100 - total flux cleaned = -0.000363518 Jy ! Component: 150 - total flux cleaned = -0.000233301 Jy ! Component: 200 - total flux cleaned = -0.000351945 Jy ! Total flux subtracted in 200 components = -0.000351945 Jy ! Clean residual min=-0.004693 max=0.004710 Jy/beam ! Clean residual mean=0.000159 rms=0.001359 Jy/beam ! Combined flux in latest and established models = 1.59664 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 145 components and 1.59664 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214690Jy sigma=0.001180 ! Fit after self-cal, rms=0.214637Jy sigma=0.001180 ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214637Jy sigma=0.001180 ! Fit after self-cal, rms=0.216651Jy sigma=0.001179 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 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.6575 mas, bmaj=1.991 mas, bpa=-2.672 degrees ! Estimated noise=1125.41 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.753241 Jy ! Component: 100 - total flux cleaned = 0.997571 Jy ! Component: 150 - total flux cleaned = 1.12282 Jy ! Component: 200 - total flux cleaned = 1.20442 Jy ! Total flux subtracted in 200 components = 1.20442 Jy ! Clean residual min=-0.016338 max=0.045519 Jy/beam ! Clean residual mean=0.001301 rms=0.008442 Jy/beam ! Combined flux in latest and established models = 1.20442 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 29 model components to the UV plane model. ! The established model now contains 29 components and 1.20442 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.9493 mas, bmaj=2.683 mas, bpa=-4.419 degrees ! Estimated noise=714.787 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 = 0.135582 Jy ! Component: 100 - total flux cleaned = 0.217781 Jy ! Component: 150 - total flux cleaned = 0.270877 Jy ! Component: 200 - total flux cleaned = 0.306378 Jy ! Total flux subtracted in 200 components = 0.306378 Jy ! Clean residual min=-0.008286 max=0.023322 Jy/beam ! Clean residual mean=0.002110 rms=0.005736 Jy/beam ! Combined flux in latest and established models = 1.5108 Jy ! Adding 99 model components to the UV plane model. ! The established model now contains 121 components and 1.5108 Jy ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 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 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=2.216 mas, bmaj=4.454 mas, bpa=-11.19 degrees ! Estimated noise=833.889 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0377417 Jy ! Component: 100 - total flux cleaned = 0.0568679 Jy ! Component: 150 - total flux cleaned = 0.0671836 Jy ! Component: 200 - total flux cleaned = 0.0728428 Jy ! Total flux subtracted in 200 components = 0.0728428 Jy ! Clean residual min=-0.003874 max=0.006249 Jy/beam ! Clean residual mean=0.000662 rms=0.001505 Jy/beam ! Combined flux in latest and established models = 1.58364 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 = 0.00311938 Jy ! Component: 100 - total flux cleaned = 0.00420974 Jy ! Component: 150 - total flux cleaned = 0.00452791 Jy ! Component: 200 - total flux cleaned = 0.00476393 Jy ! Total flux subtracted in 200 components = 0.00476393 Jy ! Clean residual min=-0.003880 max=0.004788 Jy/beam ! Clean residual mean=0.000446 rms=0.001293 Jy/beam ! Combined flux in latest and established models = 1.58841 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 168 components and 1.58841 Jy ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! Estimated beam: bmin=0.9493 mas, bmaj=2.683 mas, bpa=-4.419 degrees ! Estimated noise=714.787 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00139444 Jy ! Component: 100 - total flux cleaned = -0.00156006 Jy ! Component: 150 - total flux cleaned = -0.00170087 Jy ! Component: 200 - total flux cleaned = -0.00157147 Jy ! Total flux subtracted in 200 components = -0.00157147 Jy ! Clean residual min=-0.005388 max=0.007088 Jy/beam ! Clean residual mean=0.000283 rms=0.001373 Jy/beam ! Combined flux in latest and established models = 1.58684 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 182 components and 1.58684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215963Jy sigma=0.001177 ! Fit after self-cal, rms=0.215499Jy sigma=0.001171 wmodel J1923-2104_X_2010_06_23_pus_map.mod ! Writing 182 model components to file: J1923-2104_X_2010_06_23_pus_map.mod wobs J1923-2104_X_2010_06_23_pus_uvs.fits ! Writing UV FITS file: J1923-2104_X_2010_06_23_pus_uvs.fits wwins J1923-2104_X_2010_06_23_pus_map.win ! wwins: Wrote 3 windows to J1923-2104_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 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000651658 Jy ! Component: 100 - total flux cleaned = 0.00121559 Jy ! Component: 150 - total flux cleaned = 0.00218603 Jy ! Component: 200 - total flux cleaned = 0.00301025 Jy ! Component: 250 - total flux cleaned = 0.00377228 Jy ! Component: 300 - total flux cleaned = 0.0045657 Jy ! Component: 350 - total flux cleaned = 0.00503785 Jy ! Component: 400 - total flux cleaned = 0.00555246 Jy ! Component: 450 - total flux cleaned = 0.00599655 Jy ! Component: 500 - total flux cleaned = 0.00653616 Jy ! Component: 550 - total flux cleaned = 0.00700984 Jy ! Component: 600 - total flux cleaned = 0.00742138 Jy ! Component: 650 - total flux cleaned = 0.00787407 Jy ! Component: 700 - total flux cleaned = 0.00831832 Jy ! Component: 750 - total flux cleaned = 0.00885206 Jy ! Component: 800 - total flux cleaned = 0.00932916 Jy ! Component: 850 - total flux cleaned = 0.0097511 Jy ! Component: 900 - total flux cleaned = 0.010121 Jy ! Component: 950 - total flux cleaned = 0.0104861 Jy ! Component: 1000 - total flux cleaned = 0.0108461 Jy ! Total flux subtracted in 1024 components = 0.0110243 Jy ! Clean residual min=-0.003068 max=0.002398 Jy/beam ! Clean residual mean=0.000164 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 1.59786 Jy keep ! Adding 57 model components to the UV plane model. ! The established model now contains 239 components and 1.59786 Jy ![Exited script file: muppet] wmap "J1923-2104_X_2010_06_23_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9493 x 2.683 at -4.419 degrees (North through East) ! Clean map min=-0.0041161 max=1.0339 Jy/beam ! Writing clean map to FITS file: J1923-2104_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 1.03387 invert ! Inverting map ! Your choice of large map pixels excluded 3.03% of the data. ! The x-axis pixel size should ideally be below 0.1873 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000919354 device "J1923-2104_X_2010_06_23_pus\_map.eps/VPS" ! Attempting to open device: 'J1923-2104_X_2010_06_23_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.266771 0.266771 0.533541 1.06708 2.13417 4.26833 8.53666 17.0733 34.1466 68.2933 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0027 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.033 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9493 x 2.683 at -4.419 degrees (North through East) ! Clean map min=-0.0041161 max=1.0339 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1923-2104_X_2010_06_23_pus\_map.gif/vgif" ! Attempting to open device: 'J1923-2104_X_2010_06_23_pus_map.gif/vgif' mapplot cln