! Started logfile: J1931+2243_X_2011_08_02_pus_uvs.log on Wed Apr 18 21:55:46 2012 obs J1931+2243_X_2011_08_02_pus_uva.fits ! Reading UV FITS file: J1931+2243_X_2011_08_02_pus_uva.fits ! AN table 1: 36 integrations on 78 of 78 possible baselines. ! AN table 2: 32 integrations on 78 of 78 possible baselines. ! AN table 3: 251 integrations on 78 of 78 possible baselines. ! Apparent sampling: 0.0787718 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1931+2243 ! ! 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 3146 lines of history. ! ! Reading 7840 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 J1931+2243_X_2011_08_02_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 354 telescope corrections were flagged in sub-array 1. ! A total of 209 telescope corrections were flagged in sub-array 2. ! A total of 2431 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 354 telescope corrections were flagged in sub-array 1. ! A total of 209 telescope corrections were flagged in sub-array 2. ! A total of 2431 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 354 telescope corrections were flagged in sub-array 1. ! A total of 209 telescope corrections were flagged in sub-array 2. ! A total of 2431 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 354 telescope corrections were flagged in sub-array 1. ! A total of 209 telescope corrections were flagged in sub-array 2. ! A total of 2431 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.741145Jy sigma=0.006053 ! Fit after self-cal, rms=0.650999Jy sigma=0.005624 ! 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 6.15% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.7745 mas, bmaj=1.055 mas, bpa=27.11 degrees ! Estimated noise=1452.22 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 = 0.326431 Jy ! Component: 100 - total flux cleaned = 0.405864 Jy ! Total flux subtracted in 100 components = 0.405864 Jy ! Clean residual min=-0.019790 max=0.031804 Jy/beam ! Clean residual mean=0.000012 rms=0.004797 Jy/beam ! Combined flux in latest and established models = 0.405864 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.405864 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204612Jy sigma=0.001462 ! Fit after self-cal, rms=0.202715Jy sigma=0.001461 ! Inverting map ! Your choice of large map pixels excluded 6.15% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0329479 Jy ! Component: 100 - total flux cleaned = 0.0485437 Jy ! Total flux subtracted in 100 components = 0.0485437 Jy ! Clean residual min=-0.017203 max=0.022061 Jy/beam ! Clean residual mean=0.000000 rms=0.003782 Jy/beam ! Combined flux in latest and established models = 0.454408 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 14 components and 0.454408 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.199452Jy sigma=0.001390 ! Fit after self-cal, rms=0.197868Jy sigma=0.001390 ! Inverting map ! Your choice of large map pixels excluded 6.15% of the data. ! The y-axis pixel size should ideally be below 0.1923 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 6.15% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.6382 mas, bmaj=1.123 mas, bpa=51.07 degrees ! Estimated noise=924.396 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 = 0.0125109 Jy ! Component: 100 - total flux cleaned = 0.0164295 Jy ! Component: 150 - total flux cleaned = 0.0170662 Jy ! Component: 200 - total flux cleaned = 0.0178204 Jy ! Total flux subtracted in 200 components = 0.0178204 Jy ! Clean residual min=-0.016387 max=0.017062 Jy/beam ! Clean residual mean=0.000065 rms=0.004690 Jy/beam ! Combined flux in latest and established models = 0.472228 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 20 components and 0.472228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197039Jy sigma=0.001379 ! Fit after self-cal, rms=0.196736Jy sigma=0.001379 ! Inverting map ! Your choice of large map pixels excluded 6.15% of the data. ! The y-axis pixel size should ideally be below 0.1923 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 1.00 FD 0.93 FT 1.00* HH 1.00* ! HN 1.00* KP 0.89 LA 0.93 MK 1.00* ! NL 0.96 OV 1.05 PT 0.96 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.88 FT 1.00* HH 1.00* ! HN 1.13 KP 0.91 LA 0.99 MK 0.98 ! NL 0.93 OV 1.05 PT 1.01 TS 1.00* ! WZ 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* FT 1.00* HH 0.98 ! HN 1.08 KP 1.00* LA 1.00* MK 1.00* ! NL 1.19 OV 1.00* PT 1.00* TS 1.00* ! WZ 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 1.06 FD 0.93 FT 1.00* HH 1.00* ! HN 1.00* KP 0.84 LA 0.98 MK 1.00* ! NL 1.09 OV 1.07 PT 1.04 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.87 FT 1.00* HH 1.00* ! HN 1.06 KP 0.85 LA 1.01 MK 1.01 ! NL 1.07 OV 1.08 PT 1.07 TS 1.00* ! WZ 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* FT 1.00* HH 0.94 ! HN 0.99 KP 1.00* LA 1.00* MK 1.00* ! NL 1.40 OV 1.00* PT 1.00* TS 1.00* ! WZ 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 1.06 FD 0.86 FT 1.00* HH 1.00* ! HN 1.00* KP 0.73 LA 1.02 MK 1.00* ! NL 1.01 OV 1.04 PT 1.00 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.88 FT 1.00* HH 1.00* ! HN 1.00 KP 0.78 LA 0.97 MK 1.00 ! NL 1.01 OV 1.08 PT 0.99 TS 1.00* ! WZ 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* FT 1.00* HH 1.02 ! HN 1.00 KP 1.00* LA 1.00* MK 1.00* ! NL 1.27 OV 1.00* PT 1.00* TS 1.00* ! WZ 0.94 ! ! ! Correcting IF 4. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.94 FT 1.00* HH 1.00* ! HN 1.00* KP 0.79 LA 1.01 MK 1.00* ! NL 1.07 OV 1.14 PT 1.10 TS 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 0.97 FT 1.00* HH 1.00* ! HN 1.07 KP 0.84 LA 1.06 MK 1.03 ! NL 1.04 OV 1.07 PT 1.10 TS 1.00* ! WZ 1.00* ! ! A total of 360 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* FT 1.00* HH 1.17 ! HN 0.91 KP 1.00* LA 1.00* MK 1.00* ! NL 1.49 OV 1.00* PT 1.00* TS 1.00* ! WZ 1.03 ! ! ! Fit before self-cal, rms=0.196736Jy sigma=0.001379 ! Fit after self-cal, rms=0.209447Jy sigma=0.001302 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.7193 mas, bmaj=1.249 mas, bpa=44.71 degrees ! Estimated noise=1008.45 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.8, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00894287 Jy ! Component: 100 - total flux cleaned = 0.00978217 Jy ! Component: 150 - total flux cleaned = 0.0104052 Jy ! Component: 200 - total flux cleaned = 0.0110401 Jy ! Total flux subtracted in 200 components = 0.0110401 Jy ! Clean residual min=-0.005941 max=0.005074 Jy/beam ! Clean residual mean=-0.000012 rms=0.001313 Jy/beam ! Combined flux in latest and established models = 0.483268 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 38 components and 0.483268 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208960Jy sigma=0.001294 ! Fit after self-cal, rms=0.210581Jy sigma=0.001292 ! Inverting map ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 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=0.210581Jy sigma=0.001292 ! Fit after self-cal, rms=0.213040Jy sigma=0.001289 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.7195 mas, bmaj=1.245 mas, bpa=44.63 degrees ! Estimated noise=1003.2 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00306823 Jy ! Component: 100 - total flux cleaned = 0.0037873 Jy ! Component: 150 - total flux cleaned = 0.00414238 Jy ! Component: 200 - total flux cleaned = 0.00429256 Jy ! Total flux subtracted in 200 components = 0.00429256 Jy ! Clean residual min=-0.004654 max=0.004508 Jy/beam ! Clean residual mean=-0.000010 rms=0.001080 Jy/beam ! Combined flux in latest and established models = 0.487561 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 44 components and 0.487561 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.212909Jy sigma=0.001287 ! Fit after self-cal, rms=0.213202Jy sigma=0.001287 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 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 = 0.000667934 Jy ! Component: 100 - total flux cleaned = 0.0013406 Jy ! Component: 150 - total flux cleaned = 0.00153713 Jy ! Component: 200 - total flux cleaned = 0.00159908 Jy ! Total flux subtracted in 200 components = 0.00159908 Jy ! Clean residual min=-0.004418 max=0.004232 Jy/beam ! Clean residual mean=-0.000007 rms=0.001050 Jy/beam ! Combined flux in latest and established models = 0.48916 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 51 components and 0.48916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213154Jy sigma=0.001286 ! Fit after self-cal, rms=0.213159Jy sigma=0.001286 ! Inverting map ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 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=0.213159Jy sigma=0.001286 ! Fit after self-cal, rms=0.214953Jy sigma=0.001286 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.7208 mas, bmaj=1.245 mas, bpa=44.64 degrees ! Estimated noise=1001.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00096261 Jy ! Component: 100 - total flux cleaned = 0.00116608 Jy ! Component: 150 - total flux cleaned = 0.00122035 Jy ! Component: 200 - total flux cleaned = 0.0012719 Jy ! Total flux subtracted in 200 components = 0.0012719 Jy ! Clean residual min=-0.003705 max=0.003956 Jy/beam ! Clean residual mean=-0.000011 rms=0.000971 Jy/beam ! Combined flux in latest and established models = 0.490431 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 55 components and 0.490431 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.214916Jy sigma=0.001285 ! Fit after self-cal, rms=0.215039Jy sigma=0.001285 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 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 = 0.000261762 Jy ! Component: 100 - total flux cleaned = 0.000509792 Jy ! Component: 150 - total flux cleaned = 0.000553696 Jy ! Component: 200 - total flux cleaned = 0.000553813 Jy ! Total flux subtracted in 200 components = 0.000553813 Jy ! Clean residual min=-0.003636 max=0.003893 Jy/beam ! Clean residual mean=-0.000010 rms=0.000955 Jy/beam ! Combined flux in latest and established models = 0.490985 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 59 components and 0.490985 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215017Jy sigma=0.001285 ! Fit after self-cal, rms=0.215022Jy sigma=0.001285 ! Inverting map ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 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=0.215022Jy sigma=0.001285 ! Fit after self-cal, rms=0.215840Jy sigma=0.001285 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=2.43 mas, bmaj=3.114 mas, bpa=-8.333 degrees ! Estimated noise=1200.53 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129411 Jy ! Component: 100 - total flux cleaned = 0.00152714 Jy ! Component: 150 - total flux cleaned = 0.0016529 Jy ! Component: 200 - total flux cleaned = 0.00171546 Jy ! Total flux subtracted in 200 components = 0.00171546 Jy ! Clean residual min=-0.004343 max=0.003322 Jy/beam ! Clean residual mean=-0.000019 rms=0.001120 Jy/beam ! Combined flux in latest and established models = 0.492701 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 63 components and 0.492701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215826Jy sigma=0.001285 ! Fit after self-cal, rms=0.215880Jy sigma=0.001285 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 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 = -3.19813e-06 Jy ! Component: 100 - total flux cleaned = 0.000120068 Jy ! Component: 150 - total flux cleaned = 0.000182104 Jy ! Component: 200 - total flux cleaned = 0.000221137 Jy ! Total flux subtracted in 200 components = 0.000221137 Jy ! Clean residual min=-0.004298 max=0.003307 Jy/beam ! Clean residual mean=-0.000018 rms=0.001119 Jy/beam ! Combined flux in latest and established models = 0.492922 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 67 components and 0.492922 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215874Jy sigma=0.001284 ! Fit after self-cal, rms=0.215870Jy sigma=0.001284 ! Inverting map ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 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 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.7214 mas, bmaj=1.245 mas, bpa=44.66 degrees ! Estimated noise=999.909 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7214 x 1.245 at 44.66 degrees (North through East) ! Clean map min=-0.0032646 max=0.3766 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 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.8288 mas, bmaj=1.193 mas, bpa=16.32 degrees ! Estimated noise=1519.93 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.326892 Jy ! Component: 100 - total flux cleaned = 0.402423 Jy ! Component: 150 - total flux cleaned = 0.433206 Jy ! Component: 200 - total flux cleaned = 0.451484 Jy ! Total flux subtracted in 200 components = 0.451484 Jy ! Clean residual min=-0.008468 max=0.009438 Jy/beam ! Clean residual mean=-0.000024 rms=0.002209 Jy/beam ! Combined flux in latest and established models = 0.451484 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.451484 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.7214 mas, bmaj=1.245 mas, bpa=44.66 degrees ! Estimated noise=999.909 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 = 0.0178361 Jy ! Component: 100 - total flux cleaned = 0.0274242 Jy ! Component: 150 - total flux cleaned = 0.0332963 Jy ! Component: 200 - total flux cleaned = 0.0371128 Jy ! Total flux subtracted in 200 components = 0.0371128 Jy ! Clean residual min=-0.004306 max=0.004324 Jy/beam ! Clean residual mean=-0.000015 rms=0.001084 Jy/beam ! Combined flux in latest and established models = 0.488597 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 38 components and 0.488597 Jy ! Inverting map ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec uvw 0,2 ! Uniform weighting is not currently selected. ! Amplitude error weighting is not currently selected. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! Estimated beam: bmin=0.5489 mas, bmaj=1.201 mas, bpa=48.96 degrees ! Estimated noise=1402.08 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00197607 Jy ! Component: 100 - total flux cleaned = 0.00290869 Jy ! Component: 150 - total flux cleaned = 0.00352486 Jy ! Component: 200 - total flux cleaned = 0.00406269 Jy ! Total flux subtracted in 200 components = 0.00406269 Jy ! Clean residual min=-0.003827 max=0.004673 Jy/beam ! Clean residual mean=-0.000009 rms=0.001127 Jy/beam ! Combined flux in latest and established models = 0.492659 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000182148 Jy ! Component: 100 - total flux cleaned = 0.00045483 Jy ! Component: 150 - total flux cleaned = 0.00069948 Jy ! Component: 200 - total flux cleaned = 0.000833016 Jy ! Total flux subtracted in 200 components = 0.000833016 Jy ! Clean residual min=-0.003823 max=0.004577 Jy/beam ! Clean residual mean=-0.000008 rms=0.001099 Jy/beam ! Combined flux in latest and established models = 0.493492 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 52 components and 0.493492 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215971Jy sigma=0.001285 ! Fit after self-cal, rms=0.215857Jy sigma=0.001285 wmodel J1931+2243_X_2011_08_02_pus_map.mod ! Writing 52 model components to file: J1931+2243_X_2011_08_02_pus_map.mod wobs J1931+2243_X_2011_08_02_pus_uvs.fits ! Writing UV FITS file: J1931+2243_X_2011_08_02_pus_uvs.fits wwins J1931+2243_X_2011_08_02_pus_map.win ! wwins: Wrote 2 windows to J1931+2243_X_2011_08_02_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 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00180974 Jy ! Component: 100 - total flux cleaned = 0.00251095 Jy ! Component: 150 - total flux cleaned = 0.0028465 Jy ! Component: 200 - total flux cleaned = 0.00310343 Jy ! Component: 250 - total flux cleaned = 0.00316536 Jy ! Component: 300 - total flux cleaned = 0.00322629 Jy ! Component: 350 - total flux cleaned = 0.00310985 Jy ! Component: 400 - total flux cleaned = 0.00288555 Jy ! Component: 450 - total flux cleaned = 0.0028847 Jy ! Component: 500 - total flux cleaned = 0.00266937 Jy ! Component: 550 - total flux cleaned = 0.00261551 Jy ! Component: 600 - total flux cleaned = 0.00225792 Jy ! Component: 650 - total flux cleaned = 0.00220875 Jy ! Component: 700 - total flux cleaned = 0.00191661 Jy ! Component: 750 - total flux cleaned = 0.00177366 Jy ! Component: 800 - total flux cleaned = 0.00153887 Jy ! Component: 850 - total flux cleaned = 0.00121695 Jy ! Component: 900 - total flux cleaned = 0.00103614 Jy ! Component: 950 - total flux cleaned = 0.000814116 Jy ! Component: 1000 - total flux cleaned = 0.000510093 Jy ! Component: 1050 - total flux cleaned = 0.000295872 Jy ! Component: 1100 - total flux cleaned = 1.18103e-06 Jy ! Component: 1150 - total flux cleaned = -0.000288336 Jy ! Component: 1200 - total flux cleaned = -0.000492317 Jy ! Component: 1250 - total flux cleaned = -0.000773962 Jy ! Component: 1300 - total flux cleaned = -0.00101124 Jy ! Component: 1350 - total flux cleaned = -0.00124533 Jy ! Component: 1400 - total flux cleaned = -0.00151508 Jy ! Component: 1450 - total flux cleaned = -0.00170459 Jy ! Component: 1500 - total flux cleaned = -0.00185389 Jy ! Component: 1550 - total flux cleaned = -0.00214848 Jy ! Component: 1600 - total flux cleaned = -0.00229381 Jy ! Component: 1650 - total flux cleaned = -0.00250893 Jy ! Component: 1700 - total flux cleaned = -0.00268578 Jy ! Component: 1750 - total flux cleaned = -0.00292949 Jy ! Component: 1800 - total flux cleaned = -0.00310193 Jy ! Component: 1850 - total flux cleaned = -0.00334024 Jy ! Component: 1900 - total flux cleaned = -0.00360896 Jy ! Component: 1950 - total flux cleaned = -0.00374135 Jy ! Component: 2000 - total flux cleaned = -0.00393861 Jy ! Total flux subtracted in 2048 components = -0.00413344 Jy ! Clean residual min=-0.001722 max=0.001772 Jy/beam ! Clean residual mean=-0.000005 rms=0.000559 Jy/beam ! Combined flux in latest and established models = 0.489359 Jy keep ! Adding 114 model components to the UV plane model. ! The established model now contains 166 components and 0.489359 Jy ![Exited script file: muppet] wmap "J1931+2243_X_2011_08_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5489 x 1.201 at 48.96 degrees (North through East) ! Clean map min=-0.0034228 max=0.3775 Jy/beam ! Writing clean map to FITS file: J1931+2243_X_2011_08_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.377498 invert ! Inverting map ! Your choice of large map pixels excluded 3.84% of the data. ! The y-axis pixel size should ideally be below 0.1923 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000561575 device "J1931+2243_X_2011_08_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1931+2243_X_2011_08_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.446287 0.446287 0.892574 1.78515 3.5703 7.14059 14.2812 28.5624 57.1247 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.377 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5489 x 1.201 at 48.96 degrees (North through East) ! Clean map min=-0.0034228 max=0.3775 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1931+2243_X_2011_08_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1931+2243_X_2011_08_02_pus_map.gif/vgif' mapplot cln