! Started logfile: J1553-2422_X_2011_08_02_pus_uvs.log on Wed Apr 18 21:54:29 2012 obs J1553-2422_X_2011_08_02_pus_uva.fits ! Reading UV FITS file: J1553-2422_X_2011_08_02_pus_uva.fits ! AN table 1: 16 integrations on 78 of 78 possible baselines. ! AN table 2: 16 integrations on 78 of 78 possible baselines. ! AN table 3: 153 integrations on 78 of 78 possible baselines. ! Apparent sampling: 0.175121 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1553-2422 ! ! 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 10108 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 J1553-2422_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 126 telescope corrections were flagged in sub-array 1. ! A total of 154 telescope corrections were flagged in sub-array 2. ! A total of 1110 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 126 telescope corrections were flagged in sub-array 1. ! A total of 154 telescope corrections were flagged in sub-array 2. ! A total of 1110 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 126 telescope corrections were flagged in sub-array 1. ! A total of 154 telescope corrections were flagged in sub-array 2. ! A total of 1110 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 126 telescope corrections were flagged in sub-array 1. ! A total of 154 telescope corrections were flagged in sub-array 2. ! A total of 1110 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.653568Jy sigma=0.004707 ! Fit after self-cal, rms=0.518710Jy sigma=0.003745 ! 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 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Estimated beam: bmin=0.762 mas, bmaj=1.047 mas, bpa=8.644 degrees ! Estimated noise=1671 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 = 0.432458 Jy ! Component: 100 - total flux cleaned = 0.534383 Jy ! Total flux subtracted in 100 components = 0.534383 Jy ! Clean residual min=-0.027048 max=0.038588 Jy/beam ! Clean residual mean=-0.000334 rms=0.007918 Jy/beam ! Combined flux in latest and established models = 0.534383 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.534383 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242055Jy sigma=0.001639 ! Fit after self-cal, rms=0.242287Jy sigma=0.001639 ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 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 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Estimated beam: bmin=0.8557 mas, bmaj=1.293 mas, bpa=28.48 degrees ! Estimated noise=970.77 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 = 0.0397231 Jy ! Component: 100 - total flux cleaned = 0.0579818 Jy ! Component: 150 - total flux cleaned = 0.0671221 Jy ! Component: 200 - total flux cleaned = 0.0707155 Jy ! Total flux subtracted in 200 components = 0.0707155 Jy ! Clean residual min=-0.036038 max=0.027090 Jy/beam ! Clean residual mean=-0.001977 rms=0.010998 Jy/beam ! Combined flux in latest and established models = 0.605099 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 15 components and 0.605099 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239113Jy sigma=0.001577 ! Fit after self-cal, rms=0.239202Jy sigma=0.001576 ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 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 1.00* FD 1.08 FT 1.00* HH 1.00* ! HN 1.00* KP 1.11 LA 1.25 MK 0.94 ! NL 1.00* OV 1.14 PT 1.20 TS 1.00* ! WZ 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.06 FT 1.00* HH 1.00* ! HN 1.38 KP 1.00* LA 1.00* MK 1.00* ! NL 1.56 OV 1.00* PT 1.44 TS 1.00* ! WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 0.90 FT 1.00* HH 0.83 ! HN 1.08 KP 0.86 LA 0.97 MK 0.93 ! NL 1.03 OV 0.98 PT 1.05 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.08 FT 1.00* HH 1.00* ! HN 1.00* KP 1.10 LA 1.18 MK 1.05 ! NL 1.00* OV 1.22 PT 1.21 TS 1.00* ! WZ 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.07 FT 1.00* HH 1.00* ! HN 1.32 KP 1.00* LA 1.00* MK 1.00* ! NL 1.76 OV 1.00* PT 1.36 TS 1.00* ! WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.89 FT 1.00* HH 0.83 ! HN 1.11 KP 0.85 LA 1.00 MK 0.96 ! NL 1.18 OV 1.04 PT 1.11 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 FT 1.00* HH 1.00* ! HN 1.00* KP 0.94 LA 1.29 MK 0.91 ! NL 1.00* OV 1.14 PT 1.14 TS 1.00* ! WZ 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.08 FT 1.00* HH 1.00* ! HN 1.15 KP 1.00* LA 1.00* MK 1.00* ! NL 1.44 OV 1.00* PT 1.17 TS 1.00* ! WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.86 FT 1.00* HH 0.87 ! HN 1.05 KP 0.77 LA 0.98 MK 0.95 ! NL 1.14 OV 1.02 PT 1.05 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.12 FT 1.00* HH 1.00* ! HN 1.00* KP 1.03 LA 1.28 MK 0.93 ! NL 1.00* OV 1.18 PT 1.36 TS 1.00* ! WZ 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.41 FT 1.00* HH 1.00* ! HN 1.00 KP 1.00* LA 1.00* MK 1.00* ! NL 1.39 OV 1.00* PT 1.39 TS 1.00* ! WZ 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 0.95 FT 1.00* HH 0.96 ! HN 1.08 KP 0.84 LA 1.03 MK 1.02 ! NL 1.13 OV 1.02 PT 1.14 TS 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.239202Jy sigma=0.001576 ! Fit after self-cal, rms=0.218536Jy sigma=0.001371 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Estimated beam: bmin=0.845 mas, bmaj=1.291 mas, bpa=29.87 degrees ! Estimated noise=970.275 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 = -0.00290166 Jy ! Component: 100 - total flux cleaned = -0.00321285 Jy ! Component: 150 - total flux cleaned = -0.00339397 Jy ! Component: 200 - total flux cleaned = -0.00362391 Jy ! Total flux subtracted in 200 components = -0.00362391 Jy ! Clean residual min=-0.007946 max=0.008345 Jy/beam ! Clean residual mean=-0.000014 rms=0.002115 Jy/beam ! Combined flux in latest and established models = 0.601475 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 18 components and 0.601475 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218465Jy sigma=0.001371 ! Fit after self-cal, rms=0.219184Jy sigma=0.001369 ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 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=0.219184Jy sigma=0.001369 ! Fit after self-cal, rms=0.218773Jy sigma=0.001361 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Estimated beam: bmin=0.8433 mas, bmaj=1.292 mas, bpa=30.06 degrees ! Estimated noise=970.675 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0015106 Jy ! Component: 100 - total flux cleaned = -0.00177251 Jy ! Component: 150 - total flux cleaned = -0.00203007 Jy ! Component: 200 - total flux cleaned = -0.00208027 Jy ! Total flux subtracted in 200 components = -0.00208027 Jy ! Clean residual min=-0.005228 max=0.006571 Jy/beam ! Clean residual mean=-0.000017 rms=0.001525 Jy/beam ! Combined flux in latest and established models = 0.599395 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 22 components and 0.599395 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218700Jy sigma=0.001361 ! Fit after self-cal, rms=0.218791Jy sigma=0.001361 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 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 (-24.8, -6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00318358 Jy ! Component: 100 - total flux cleaned = 0.00364974 Jy ! Component: 150 - total flux cleaned = 0.00400648 Jy ! Component: 200 - total flux cleaned = 0.0043898 Jy ! Total flux subtracted in 200 components = 0.0043898 Jy ! Clean residual min=-0.004879 max=0.004917 Jy/beam ! Clean residual mean=-0.000049 rms=0.001388 Jy/beam ! Combined flux in latest and established models = 0.603784 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 33 components and 0.603784 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218610Jy sigma=0.001360 ! Fit after self-cal, rms=0.218620Jy sigma=0.001360 ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 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=0.218620Jy sigma=0.001360 ! Fit after self-cal, rms=0.219533Jy sigma=0.001358 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Estimated beam: bmin=0.8458 mas, bmaj=1.295 mas, bpa=29.98 degrees ! Estimated noise=970.223 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000897559 Jy ! Component: 100 - total flux cleaned = -0.000821723 Jy ! Component: 150 - total flux cleaned = -0.000953948 Jy ! Component: 200 - total flux cleaned = -0.00101271 Jy ! Total flux subtracted in 200 components = -0.00101271 Jy ! Clean residual min=-0.004969 max=0.004089 Jy/beam ! Clean residual mean=-0.000024 rms=0.001262 Jy/beam ! Combined flux in latest and established models = 0.602772 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.602772 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219481Jy sigma=0.001357 ! Fit after self-cal, rms=0.219520Jy sigma=0.001357 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 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 = -0.000311974 Jy ! Component: 100 - total flux cleaned = -0.000308179 Jy ! Component: 150 - total flux cleaned = -0.000255174 Jy ! Component: 200 - total flux cleaned = -0.00025131 Jy ! Total flux subtracted in 200 components = -0.00025131 Jy ! Clean residual min=-0.004768 max=0.004182 Jy/beam ! Clean residual mean=-0.000020 rms=0.001254 Jy/beam ! Combined flux in latest and established models = 0.60252 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 41 components and 0.602521 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219497Jy sigma=0.001357 ! Fit after self-cal, rms=0.219503Jy sigma=0.001357 ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 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=0.219503Jy sigma=0.001357 ! Fit after self-cal, rms=0.219645Jy sigma=0.001357 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Estimated beam: bmin=2.285 mas, bmaj=7.319 mas, bpa=-22.44 degrees ! Estimated noise=1085.28 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00154378 Jy ! Component: 100 - total flux cleaned = -0.00210631 Jy ! Component: 150 - total flux cleaned = -0.0021875 Jy ! Component: 200 - total flux cleaned = -0.00226109 Jy ! Total flux subtracted in 200 components = -0.00226109 Jy ! Clean residual min=-0.004314 max=0.003578 Jy/beam ! Clean residual mean=-0.000022 rms=0.001262 Jy/beam ! Combined flux in latest and established models = 0.600259 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 47 components and 0.600259 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219629Jy sigma=0.001357 ! Fit after self-cal, rms=0.219638Jy sigma=0.001357 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 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 = -0.000320685 Jy ! Component: 100 - total flux cleaned = -0.000375333 Jy ! Component: 150 - total flux cleaned = -0.000409902 Jy ! Component: 200 - total flux cleaned = -0.000426573 Jy ! Total flux subtracted in 200 components = -0.000426573 Jy ! Clean residual min=-0.004155 max=0.003653 Jy/beam ! Clean residual mean=-0.000017 rms=0.001251 Jy/beam ! Combined flux in latest and established models = 0.599833 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 49 components and 0.599833 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219632Jy sigma=0.001357 ! Fit after self-cal, rms=0.219630Jy sigma=0.001357 ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 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 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Estimated beam: bmin=0.8463 mas, bmaj=1.297 mas, bpa=30.01 degrees ! Estimated noise=969.665 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8463 x 1.297 at 30.01 degrees (North through East) ! Clean map min=-0.004314 max=0.50414 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=0.219630Jy sigma=0.001357 ! Fit after self-cal, rms=0.290338Jy sigma=0.001184 ! Inverting map and beam ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Estimated beam: bmin=0.8463 mas, bmaj=1.297 mas, bpa=30.03 degrees ! Estimated noise=968.211 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.11738e-05 Jy ! Component: 100 - total flux cleaned = -2.64424e-05 Jy ! Component: 150 - total flux cleaned = -0.000103761 Jy ! Component: 200 - total flux cleaned = -0.000140153 Jy ! Total flux subtracted in 200 components = -0.000140153 Jy ! Clean residual min=-0.004285 max=0.004363 Jy/beam ! Clean residual mean=-0.000049 rms=0.001172 Jy/beam ! Combined flux in latest and established models = 0.599693 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 55 components and 0.599693 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290319Jy sigma=0.001184 ! Fit after self-cal, rms=0.290341Jy sigma=0.001184 ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000124359 Jy ! Component: 100 - total flux cleaned = -0.000156329 Jy ! Component: 150 - total flux cleaned = -0.000155212 Jy ! Component: 200 - total flux cleaned = -0.000184596 Jy ! Total flux subtracted in 200 components = -0.000184596 Jy ! Clean residual min=-0.004283 max=0.004397 Jy/beam ! Clean residual mean=-0.000047 rms=0.001171 Jy/beam ! Combined flux in latest and established models = 0.599508 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 57 components and 0.599508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290328Jy sigma=0.001184 ! Fit after self-cal, rms=0.290330Jy sigma=0.001184 ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290330Jy sigma=0.001184 ! Fit after self-cal, rms=0.431149Jy sigma=0.001184 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 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Estimated beam: bmin=0.7575 mas, bmaj=1.033 mas, bpa=9.466 degrees ! Estimated noise=1679.51 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.43061 Jy ! Component: 100 - total flux cleaned = 0.531865 Jy ! Component: 150 - total flux cleaned = 0.561041 Jy ! Component: 200 - total flux cleaned = 0.574915 Jy ! Total flux subtracted in 200 components = 0.574915 Jy ! Clean residual min=-0.009926 max=0.011281 Jy/beam ! Clean residual mean=0.000025 rms=0.002687 Jy/beam ! Combined flux in latest and established models = 0.574915 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.574915 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Estimated beam: bmin=0.8473 mas, bmaj=1.298 mas, bpa=29.99 degrees ! Estimated noise=967.79 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) ! Added new window around map position (0.8, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00976165 Jy ! Component: 100 - total flux cleaned = 0.0151098 Jy ! Component: 150 - total flux cleaned = 0.0168844 Jy ! Component: 200 - total flux cleaned = 0.0182399 Jy ! Total flux subtracted in 200 components = 0.0182399 Jy ! Clean residual min=-0.004758 max=0.005038 Jy/beam ! Clean residual mean=-0.000001 rms=0.001313 Jy/beam ! Combined flux in latest and established models = 0.593155 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 31 components and 0.593155 Jy ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 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 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! Estimated beam: bmin=0.6756 mas, bmaj=1.255 mas, bpa=37.75 degrees ! Estimated noise=2239.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00170746 Jy ! Component: 100 - total flux cleaned = -0.00233606 Jy ! Component: 150 - total flux cleaned = -0.00250437 Jy ! Component: 200 - total flux cleaned = -0.00280294 Jy ! Total flux subtracted in 200 components = -0.00280294 Jy ! Clean residual min=-0.010358 max=0.012136 Jy/beam ! Clean residual mean=-0.000049 rms=0.003309 Jy/beam ! Combined flux in latest and established models = 0.590352 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.68935e-07 Jy ! Component: 100 - total flux cleaned = -2.94649e-06 Jy ! Component: 150 - total flux cleaned = 0.00010422 Jy ! Component: 200 - total flux cleaned = 0.000200493 Jy ! Total flux subtracted in 200 components = 0.000200493 Jy ! Clean residual min=-0.010757 max=0.011766 Jy/beam ! Clean residual mean=-0.000051 rms=0.003291 Jy/beam ! Combined flux in latest and established models = 0.590552 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 50 components and 0.590552 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.431054Jy sigma=0.001186 ! Fit after self-cal, rms=0.431068Jy sigma=0.001186 wmodel J1553-2422_X_2011_08_02_pus_map.mod ! Writing 50 model components to file: J1553-2422_X_2011_08_02_pus_map.mod wobs J1553-2422_X_2011_08_02_pus_uvs.fits ! Writing UV FITS file: J1553-2422_X_2011_08_02_pus_uvs.fits wwins J1553-2422_X_2011_08_02_pus_map.win ! wwins: Wrote 3 windows to J1553-2422_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 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.0035571 Jy ! Component: 100 - total flux cleaned = 0.00692888 Jy ! Component: 150 - total flux cleaned = 0.00961988 Jy ! Component: 200 - total flux cleaned = 0.0123803 Jy ! Component: 250 - total flux cleaned = 0.0145436 Jy ! Component: 300 - total flux cleaned = 0.0164742 Jy ! Component: 350 - total flux cleaned = 0.0188264 Jy ! Component: 400 - total flux cleaned = 0.0211295 Jy ! Component: 450 - total flux cleaned = 0.0227875 Jy ! Component: 500 - total flux cleaned = 0.0241239 Jy ! Component: 550 - total flux cleaned = 0.0251503 Jy ! Component: 600 - total flux cleaned = 0.0264547 Jy ! Component: 650 - total flux cleaned = 0.0273126 Jy ! Component: 700 - total flux cleaned = 0.0285843 Jy ! Component: 750 - total flux cleaned = 0.0294224 Jy ! Component: 800 - total flux cleaned = 0.0303927 Jy ! Component: 850 - total flux cleaned = 0.0314895 Jy ! Component: 900 - total flux cleaned = 0.0323041 Jy ! Component: 950 - total flux cleaned = 0.0333798 Jy ! Component: 1000 - total flux cleaned = 0.0339133 Jy ! Component: 1050 - total flux cleaned = 0.0347051 Jy ! Component: 1100 - total flux cleaned = 0.035621 Jy ! Component: 1150 - total flux cleaned = 0.0360113 Jy ! Component: 1200 - total flux cleaned = 0.0371713 Jy ! Component: 1250 - total flux cleaned = 0.0374267 Jy ! Component: 1300 - total flux cleaned = 0.038189 Jy ! Component: 1350 - total flux cleaned = 0.0389449 Jy ! Component: 1400 - total flux cleaned = 0.0394446 Jy ! Component: 1450 - total flux cleaned = 0.0398176 Jy ! Component: 1500 - total flux cleaned = 0.0401887 Jy ! Component: 1550 - total flux cleaned = 0.0408026 Jy ! Component: 1600 - total flux cleaned = 0.0412896 Jy ! Component: 1650 - total flux cleaned = 0.041653 Jy ! Component: 1700 - total flux cleaned = 0.0423761 Jy ! Component: 1750 - total flux cleaned = 0.0429747 Jy ! Component: 1800 - total flux cleaned = 0.0436883 Jy ! Component: 1850 - total flux cleaned = 0.0441622 Jy ! Component: 1900 - total flux cleaned = 0.0448684 Jy ! Component: 1950 - total flux cleaned = 0.0452194 Jy ! Component: 2000 - total flux cleaned = 0.0456853 Jy ! Total flux subtracted in 2048 components = 0.0459172 Jy ! Clean residual min=-0.006429 max=0.006559 Jy/beam ! Clean residual mean=-0.000294 rms=0.002368 Jy/beam ! Combined flux in latest and established models = 0.636469 Jy keep ! Adding 135 model components to the UV plane model. ! The established model now contains 185 components and 0.636469 Jy ![Exited script file: muppet] wmap "J1553-2422_X_2011_08_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6756 x 1.255 at 37.75 degrees (North through East) ! Clean map min=-0.0087391 max=0.49475 Jy/beam ! Writing clean map to FITS file: J1553-2422_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 0.494754 invert ! Inverting map ! Your choice of large map pixels excluded 13.6% of the data. ! The x-axis pixel size should ideally be below 0.1685 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00241991 device "J1553-2422_X_2011_08_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1553-2422_X_2011_08_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.46734 1.46734 2.93468 5.86937 11.7387 23.4775 46.955 93.9099 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0072 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.494 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6756 x 1.255 at 37.75 degrees (North through East) ! Clean map min=-0.0087391 max=0.49475 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1553-2422_X_2011_08_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1553-2422_X_2011_08_02_pus_map.gif/vgif' mapplot cln