! Started logfile: J2253+1942_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:40:31 2011 obs J2253+1942_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J2253+1942_X_2009_04_21_pus_uva.fits ! AN table 1: 280 integrations on 120 of 120 possible baselines. ! AN table 2: 60 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.455025 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2253+1942 ! ! 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 2445 lines of history. ! ! Reading 74260 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 J2253+1942_X_2009_04_21_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 1372 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1372 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1372 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1372 telescope corrections were flagged in sub-array 1. ! A total of 715 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.825357Jy sigma=0.006947 ! Fit after self-cal, rms=0.764335Jy sigma=0.006487 ! 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 3.72% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.5355 mas, bmaj=1.027 mas, bpa=-7.981 degrees ! Estimated noise=758.738 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 = 0.195267 Jy ! Component: 100 - total flux cleaned = 0.243268 Jy ! Total flux subtracted in 100 components = 0.243268 Jy ! Clean residual min=-0.007396 max=0.019710 Jy/beam ! Clean residual mean=0.000038 rms=0.001994 Jy/beam ! Combined flux in latest and established models = 0.243268 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.243268 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188957Jy sigma=0.001334 ! Fit after self-cal, rms=0.188981Jy sigma=0.001334 ! Inverting map ! Your choice of large map pixels excluded 3.72% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0227945 Jy ! Component: 100 - total flux cleaned = 0.0373146 Jy ! Total flux subtracted in 100 components = 0.0373146 Jy ! Clean residual min=-0.005599 max=0.008803 Jy/beam ! Clean residual mean=-0.000023 rms=0.001545 Jy/beam ! Combined flux in latest and established models = 0.280583 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 0.280583 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185244Jy sigma=0.001281 ! Fit after self-cal, rms=0.185229Jy sigma=0.001280 ! Inverting map ! Your choice of large map pixels excluded 3.72% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Added new window around map position (-0.2, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107162 Jy ! Component: 100 - total flux cleaned = 0.018329 Jy ! Total flux subtracted in 100 components = 0.018329 Jy ! Clean residual min=-0.004993 max=0.006963 Jy/beam ! Clean residual mean=-0.000051 rms=0.001399 Jy/beam ! Combined flux in latest and established models = 0.298912 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 22 components and 0.298912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.184300Jy sigma=0.001267 ! Fit after self-cal, rms=0.184280Jy sigma=0.001266 ! Inverting map ! Your choice of large map pixels excluded 3.72% of the data. ! The x-axis pixel size should ideally be below 0.1707 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 3.72% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.6123 mas, bmaj=1.277 mas, bpa=-6.559 degrees ! Estimated noise=318.985 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 = 0.0115505 Jy ! Component: 100 - total flux cleaned = 0.0186027 Jy ! Component: 150 - total flux cleaned = 0.0231899 Jy ! Component: 200 - total flux cleaned = 0.0261834 Jy ! Total flux subtracted in 200 components = 0.0261834 Jy ! Clean residual min=-0.004296 max=0.006245 Jy/beam ! Clean residual mean=-0.000615 rms=0.001052 Jy/beam ! Combined flux in latest and established models = 0.325096 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 33 components and 0.325096 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183670Jy sigma=0.001258 ! Fit after self-cal, rms=0.183668Jy sigma=0.001257 ! Inverting map ! Your choice of large map pixels excluded 3.72% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Added new window around map position (-0.8, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00574118 Jy ! Component: 100 - total flux cleaned = 0.00875701 Jy ! Component: 150 - total flux cleaned = 0.0100295 Jy ! Component: 200 - total flux cleaned = 0.0105089 Jy ! Total flux subtracted in 200 components = 0.0105089 Jy ! Clean residual min=-0.004134 max=0.003320 Jy/beam ! Clean residual mean=-0.000734 rms=0.000942 Jy/beam ! Combined flux in latest and established models = 0.335605 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 48 components and 0.335605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183445Jy sigma=0.001256 ! Fit after self-cal, rms=0.183410Jy sigma=0.001256 ! Inverting map ! Your choice of large map pixels excluded 3.72% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HN 1.19 KB 0.94 ! KK 1.01 KP 0.97 LA 0.97 MK 0.99 ! NL 1.01 NY 0.96 OV 1.00 PT 0.99 ! SC 0.93 TS 1.11 WZ 1.07 ZC 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.96 HN 1.00* KB 1.00* ! KK 1.00* KP 0.98 LA 0.96 MK 1.01 ! NL 1.00* NY 1.00* OV 0.97 PT 0.96 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 1.08 KB 0.94 ! KK 0.97 KP 0.97 LA 0.97 MK 1.01 ! NL 0.96 NY 1.00 OV 0.99 PT 0.98 ! SC 0.96 TS 1.08 WZ 1.03 ZC 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.95 HN 1.00* KB 1.00* ! KK 1.00* KP 0.97 LA 0.97 MK 1.06 ! NL 1.00* NY 1.00* OV 0.98 PT 0.96 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 1.29 KB 0.99 ! KK 1.00 KP 0.99 LA 0.98 MK 1.02 ! NL 1.00 NY 1.02 OV 1.01 PT 0.98 ! SC 0.98 TS 1.11 WZ 0.99 ZC 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.97 HN 1.00* KB 1.00* ! KK 1.00* KP 1.01 LA 0.99 MK 1.03 ! NL 1.00* NY 1.00* OV 0.95 PT 1.00 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 1.08 KB 0.95 ! KK 0.98 KP 0.99 LA 0.97 MK 1.04 ! NL 1.02 NY 0.99 OV 1.01 PT 0.98 ! SC 0.98 TS 1.11 WZ 1.05 ZC 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.99 HN 1.00* KB 1.00* ! KK 1.00* KP 0.98 LA 0.97 MK 1.08 ! NL 1.00* NY 1.00* OV 0.96 PT 1.01 ! SC 1.00* TS 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.183410Jy sigma=0.001256 ! Fit after self-cal, rms=0.189996Jy sigma=0.001240 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.6149 mas, bmaj=1.28 mas, bpa=-6.595 degrees ! Estimated noise=319.426 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 = -0.00111192 Jy ! Component: 100 - total flux cleaned = -0.000958903 Jy ! Component: 150 - total flux cleaned = -0.000958287 Jy ! Component: 200 - total flux cleaned = -0.00106125 Jy ! Total flux subtracted in 200 components = -0.00106125 Jy ! Clean residual min=-0.002872 max=0.002947 Jy/beam ! Clean residual mean=-0.000142 rms=0.000726 Jy/beam ! Combined flux in latest and established models = 0.334543 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 66 components and 0.334543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189909Jy sigma=0.001239 ! Fit after self-cal, rms=0.189977Jy sigma=0.001239 ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 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=0.189977Jy sigma=0.001239 ! Fit after self-cal, rms=0.240930Jy sigma=0.001234 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.616 mas, bmaj=1.285 mas, bpa=-6.541 degrees ! Estimated noise=320.65 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.35011e-05 Jy ! Component: 100 - total flux cleaned = -0.000510661 Jy ! Component: 150 - total flux cleaned = -0.000685277 Jy ! Component: 200 - total flux cleaned = -0.00083214 Jy ! Total flux subtracted in 200 components = -0.00083214 Jy ! Clean residual min=-0.001686 max=0.001893 Jy/beam ! Clean residual mean=-0.000108 rms=0.000454 Jy/beam ! Combined flux in latest and established models = 0.333711 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 80 components and 0.333711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.240901Jy sigma=0.001234 ! Fit after self-cal, rms=0.241046Jy sigma=0.001234 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 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 = 0.000138433 Jy ! Component: 100 - total flux cleaned = -0.00014271 Jy ! Component: 150 - total flux cleaned = -0.000251058 Jy ! Component: 200 - total flux cleaned = -0.000373318 Jy ! Total flux subtracted in 200 components = -0.000373318 Jy ! Clean residual min=-0.001718 max=0.001874 Jy/beam ! Clean residual mean=-0.000106 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.333338 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 84 components and 0.333338 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.241034Jy sigma=0.001233 ! Fit after self-cal, rms=0.241033Jy sigma=0.001233 ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 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=0.241033Jy sigma=0.001233 ! Fit after self-cal, rms=0.244619Jy sigma=0.001233 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.6163 mas, bmaj=1.289 mas, bpa=-6.548 degrees ! Estimated noise=320.811 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000204671 Jy ! Component: 100 - total flux cleaned = -0.000454137 Jy ! Component: 150 - total flux cleaned = -0.000601957 Jy ! Component: 200 - total flux cleaned = -0.000780632 Jy ! Total flux subtracted in 200 components = -0.000780632 Jy ! Clean residual min=-0.001652 max=0.001791 Jy/beam ! Clean residual mean=-0.000085 rms=0.000437 Jy/beam ! Combined flux in latest and established models = 0.332557 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 87 components and 0.332557 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244604Jy sigma=0.001233 ! Fit after self-cal, rms=0.244608Jy sigma=0.001233 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 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 = -3.63784e-06 Jy ! Component: 100 - total flux cleaned = -0.000181924 Jy ! Component: 150 - total flux cleaned = -0.000298987 Jy ! Component: 200 - total flux cleaned = -0.000353018 Jy ! Total flux subtracted in 200 components = -0.000353018 Jy ! Clean residual min=-0.001672 max=0.001770 Jy/beam ! Clean residual mean=-0.000083 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.332204 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 90 components and 0.332204 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244603Jy sigma=0.001233 ! Fit after self-cal, rms=0.244602Jy sigma=0.001233 ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 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=0.244602Jy sigma=0.001233 ! Fit after self-cal, rms=0.245912Jy sigma=0.001233 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=2.447 mas, bmaj=2.903 mas, bpa=-0.3314 degrees ! Estimated noise=453.692 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000397075 Jy ! Component: 100 - total flux cleaned = -0.000399115 Jy ! Component: 150 - total flux cleaned = -0.000400193 Jy ! Component: 200 - total flux cleaned = -0.000414276 Jy ! Total flux subtracted in 200 components = -0.000414276 Jy ! Clean residual min=-0.002199 max=0.002306 Jy/beam ! Clean residual mean=-0.000228 rms=0.000688 Jy/beam ! Combined flux in latest and established models = 0.33179 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 99 components and 0.33179 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245911Jy sigma=0.001233 ! Fit after self-cal, rms=0.245913Jy sigma=0.001233 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 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 = 4.80359e-05 Jy ! Component: 100 - total flux cleaned = 7.40514e-05 Jy ! Component: 150 - total flux cleaned = 9.61085e-05 Jy ! Component: 200 - total flux cleaned = 0.000106101 Jy ! Total flux subtracted in 200 components = 0.000106101 Jy ! Clean residual min=-0.002200 max=0.002284 Jy/beam ! Clean residual mean=-0.000231 rms=0.000686 Jy/beam ! Combined flux in latest and established models = 0.331896 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 100 components and 0.331896 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245914Jy sigma=0.001233 ! Fit after self-cal, rms=0.245913Jy sigma=0.001233 ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 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 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.6164 mas, bmaj=1.292 mas, bpa=-6.548 degrees ! Estimated noise=320.839 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6164 x 1.292 at -6.548 degrees (North through East) ! Clean map min=-0.0014286 max=0.25822 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 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.5365 mas, bmaj=1.047 mas, bpa=-8.966 degrees ! Estimated noise=772.634 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.198134 Jy ! Component: 100 - total flux cleaned = 0.246266 Jy ! Component: 150 - total flux cleaned = 0.267961 Jy ! Component: 200 - total flux cleaned = 0.281762 Jy ! Total flux subtracted in 200 components = 0.281762 Jy ! Clean residual min=-0.004579 max=0.007588 Jy/beam ! Clean residual mean=0.000046 rms=0.001161 Jy/beam ! Combined flux in latest and established models = 0.281762 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.281762 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.6164 mas, bmaj=1.292 mas, bpa=-6.548 degrees ! Estimated noise=320.839 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 = 0.0158421 Jy ! Component: 100 - total flux cleaned = 0.0254897 Jy ! Component: 150 - total flux cleaned = 0.0320878 Jy ! Component: 200 - total flux cleaned = 0.0367914 Jy ! Total flux subtracted in 200 components = 0.0367914 Jy ! Clean residual min=-0.002040 max=0.002642 Jy/beam ! Clean residual mean=0.000035 rms=0.000552 Jy/beam ! Combined flux in latest and established models = 0.318553 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 56 components and 0.318553 Jy ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00340764 Jy ! Component: 100 - total flux cleaned = 0.00589714 Jy ! Component: 150 - total flux cleaned = 0.00774318 Jy ! Component: 200 - total flux cleaned = 0.00912834 Jy ! Total flux subtracted in 200 components = 0.00912834 Jy ! Clean residual min=-0.001720 max=0.001725 Jy/beam ! Clean residual mean=-0.000042 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.327682 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 73 components and 0.327682 Jy ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 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 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=2.447 mas, bmaj=2.903 mas, bpa=-0.3314 degrees ! Estimated noise=453.692 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00221299 Jy ! Component: 100 - total flux cleaned = 0.00335139 Jy ! Component: 150 - total flux cleaned = 0.00396951 Jy ! Component: 200 - total flux cleaned = 0.00419469 Jy ! Total flux subtracted in 200 components = 0.00419469 Jy ! Clean residual min=-0.002249 max=0.002294 Jy/beam ! Clean residual mean=-0.000231 rms=0.000688 Jy/beam ! Combined flux in latest and established models = 0.331876 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.59315e-05 Jy ! Component: 100 - total flux cleaned = 9.4237e-05 Jy ! Component: 150 - total flux cleaned = 0.000111955 Jy ! Component: 200 - total flux cleaned = 0.000129133 Jy ! Total flux subtracted in 200 components = 0.000129133 Jy ! Clean residual min=-0.002242 max=0.002293 Jy/beam ! Clean residual mean=-0.000234 rms=0.000686 Jy/beam ! Combined flux in latest and established models = 0.332006 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 81 components and 0.332006 Jy ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! Estimated beam: bmin=0.6164 mas, bmaj=1.292 mas, bpa=-6.548 degrees ! Estimated noise=320.839 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000617309 Jy ! Component: 100 - total flux cleaned = -0.000618308 Jy ! Component: 150 - total flux cleaned = -0.000670815 Jy ! Component: 200 - total flux cleaned = -0.000672052 Jy ! Total flux subtracted in 200 components = -0.000672052 Jy ! Clean residual min=-0.001623 max=0.001635 Jy/beam ! Clean residual mean=-0.000073 rms=0.000427 Jy/beam ! Combined flux in latest and established models = 0.331333 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 92 components and 0.331333 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.245881Jy sigma=0.001233 ! Fit after self-cal, rms=0.245893Jy sigma=0.001233 wmodel J2253+1942_X_2009_04_21_pus_map.mod ! Writing 92 model components to file: J2253+1942_X_2009_04_21_pus_map.mod wobs J2253+1942_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J2253+1942_X_2009_04_21_pus_uvs.fits wwins J2253+1942_X_2009_04_21_pus_map.win ! wwins: Wrote 3 windows to J2253+1942_X_2009_04_21_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 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000155728 Jy ! Component: 100 - total flux cleaned = -0.000328281 Jy ! Component: 150 - total flux cleaned = -0.000467258 Jy ! Component: 200 - total flux cleaned = -0.000547846 Jy ! Component: 250 - total flux cleaned = -0.000573753 Jy ! Component: 300 - total flux cleaned = -0.000625611 Jy ! Component: 350 - total flux cleaned = -0.000676215 Jy ! Component: 400 - total flux cleaned = -0.000725678 Jy ! Component: 450 - total flux cleaned = -0.000774675 Jy ! Component: 500 - total flux cleaned = -0.000798974 Jy ! Component: 550 - total flux cleaned = -0.00089463 Jy ! Component: 600 - total flux cleaned = -0.000965236 Jy ! Component: 650 - total flux cleaned = -0.00103491 Jy ! Component: 700 - total flux cleaned = -0.00108067 Jy ! Component: 750 - total flux cleaned = -0.00105831 Jy ! Component: 800 - total flux cleaned = -0.00119339 Jy ! Component: 850 - total flux cleaned = -0.00123764 Jy ! Component: 900 - total flux cleaned = -0.0013035 Jy ! Component: 950 - total flux cleaned = -0.00134681 Jy ! Component: 1000 - total flux cleaned = -0.00136839 Jy ! Component: 1050 - total flux cleaned = -0.00143216 Jy ! Component: 1100 - total flux cleaned = -0.00149535 Jy ! Component: 1150 - total flux cleaned = -0.00149538 Jy ! Component: 1200 - total flux cleaned = -0.00157826 Jy ! Component: 1250 - total flux cleaned = -0.00155777 Jy ! Component: 1300 - total flux cleaned = -0.00163947 Jy ! Component: 1350 - total flux cleaned = -0.00159894 Jy ! Component: 1400 - total flux cleaned = -0.0016793 Jy ! Component: 1450 - total flux cleaned = -0.00167933 Jy ! Component: 1500 - total flux cleaned = -0.00171922 Jy ! Component: 1550 - total flux cleaned = -0.00179794 Jy ! Component: 1600 - total flux cleaned = -0.00179794 Jy ! Component: 1650 - total flux cleaned = -0.00181744 Jy ! Component: 1700 - total flux cleaned = -0.00183687 Jy ! Component: 1750 - total flux cleaned = -0.00191373 Jy ! Component: 1800 - total flux cleaned = -0.00193285 Jy ! Component: 1850 - total flux cleaned = -0.00195192 Jy ! Component: 1900 - total flux cleaned = -0.00200856 Jy ! Component: 1950 - total flux cleaned = -0.00204612 Jy ! Component: 2000 - total flux cleaned = -0.00206478 Jy ! Total flux subtracted in 2048 components = -0.00212042 Jy ! Clean residual min=-0.001011 max=0.000968 Jy/beam ! Clean residual mean=-0.000042 rms=0.000332 Jy/beam ! Combined flux in latest and established models = 0.329213 Jy keep ! Adding 163 model components to the UV plane model. ! The established model now contains 255 components and 0.329213 Jy ![Exited script file: muppet] wmap "J2253+1942_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6164 x 1.292 at -6.548 degrees (North through East) ! Clean map min=-0.001405 max=0.25887 Jy/beam ! Writing clean map to FITS file: J2253+1942_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.258867 invert ! Inverting map ! Your choice of large map pixels excluded 3.73% of the data. ! The x-axis pixel size should ideally be below 0.1707 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000331894 device "J2253+1942_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J2253+1942_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.38463 0.38463 0.769261 1.53852 3.07704 6.15409 12.3082 24.6163 49.2327 98.4654 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.258 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6164 x 1.292 at -6.548 degrees (North through East) ! Clean map min=-0.001405 max=0.25887 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2253+1942_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J2253+1942_X_2009_04_21_pus_map.gif/vgif' mapplot cln