! Started logfile: J0755+6312_X_2009_04_21_pus_uvs.log on Sun Jan 23 00:26:22 2011 obs J0755+6312_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J0755+6312_X_2009_04_21_pus_uva.fits ! AN table 1: 78 integrations on 120 of 120 possible baselines. ! AN table 2: 81 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.523637 visibilities/baseline/integration-bin. ! Found source: J0755+6312 ! ! 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 39964 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 J0755+6312_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 341 telescope corrections were flagged in sub-array 1. ! A total of 353 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 341 telescope corrections were flagged in sub-array 1. ! A total of 353 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 342 telescope corrections were flagged in sub-array 1. ! A total of 353 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 341 telescope corrections were flagged in sub-array 1. ! A total of 358 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.979912Jy sigma=0.009014 ! Fit after self-cal, rms=0.858835Jy sigma=0.007905 ! 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 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Estimated beam: bmin=0.5055 mas, bmaj=0.5967 mas, bpa=-7.708 degrees ! Estimated noise=791.913 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 = 0.109495 Jy ! Component: 100 - total flux cleaned = 0.139502 Jy ! Total flux subtracted in 100 components = 0.139502 Jy ! Clean residual min=-0.008422 max=0.018182 Jy/beam ! Clean residual mean=0.000007 rms=0.002015 Jy/beam ! Combined flux in latest and established models = 0.139502 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.139502 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152102Jy sigma=0.001289 ! Fit after self-cal, rms=0.151955Jy sigma=0.001288 ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Added new window around map position (-0.6, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0191105 Jy ! Component: 100 - total flux cleaned = 0.0313225 Jy ! Total flux subtracted in 100 components = 0.0313225 Jy ! Clean residual min=-0.006574 max=0.012335 Jy/beam ! Clean residual mean=-0.000007 rms=0.001641 Jy/beam ! Combined flux in latest and established models = 0.170824 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 13 components and 0.170824 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148850Jy sigma=0.001255 ! Fit after self-cal, rms=0.148716Jy sigma=0.001254 ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Added new window around map position (1.6, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.010983 Jy ! Component: 100 - total flux cleaned = 0.0146221 Jy ! Total flux subtracted in 100 components = 0.0146221 Jy ! Clean residual min=-0.006213 max=0.007032 Jy/beam ! Clean residual mean=-0.000012 rms=0.001463 Jy/beam ! Combined flux in latest and established models = 0.185447 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 17 components and 0.185447 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148163Jy sigma=0.001247 ! Fit after self-cal, rms=0.148098Jy sigma=0.001247 ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 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 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Estimated beam: bmin=0.6576 mas, bmaj=0.7484 mas, bpa=-19.53 degrees ! Estimated noise=411.686 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 = 0.00489378 Jy ! Component: 100 - total flux cleaned = 0.00535415 Jy ! Component: 150 - total flux cleaned = 0.00535925 Jy ! Component: 200 - total flux cleaned = 0.00524787 Jy ! Total flux subtracted in 200 components = 0.00524787 Jy ! Clean residual min=-0.004888 max=0.004564 Jy/beam ! Clean residual mean=-0.000010 rms=0.000906 Jy/beam ! Combined flux in latest and established models = 0.190694 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 22 components and 0.190694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147877Jy sigma=0.001244 ! Fit after self-cal, rms=0.147858Jy sigma=0.001244 ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.01 HN 0.93 KB 1.00* ! KK 1.00* KP 0.97 LA 1.02 MK 0.87 ! NL 1.00 NY 1.00* OV 0.98 PT 1.00 ! SC 1.07 TS 0.93 WZ 1.00* ZC 1.03 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 0.96 HN 1.06 KB 1.00* ! KK 1.00* KP 0.99 LA 0.95 MK 1.06 ! NL 0.97 NY 1.00* OV 0.99 PT 0.98 ! SC 0.91 TS 0.80 WZ 1.00* ZC 1.11 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.04 HN 0.93 KB 1.00* ! KK 1.00* KP 1.01 LA 1.03 MK 0.87 ! NL 0.97 NY 1.00* OV 0.92 PT 1.02 ! SC 1.08 TS 0.93 WZ 1.00* ZC 1.11 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.97 HN 1.03 KB 1.00* ! KK 1.00* KP 1.00 LA 0.96 MK 1.06 ! NL 0.95 NY 1.00* OV 1.01 PT 0.99 ! SC 0.90 TS 2.08 WZ 1.00* ZC 1.10 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.04 HN 0.94 KB 1.00* ! KK 1.00* KP 1.04 LA 1.03 MK 0.87 ! NL 1.00 NY 1.00* OV 0.99 PT 1.03 ! SC 1.09 TS 0.94 WZ 1.00* ZC 1.03 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.01 HN 1.15 KB 1.00* ! KK 1.00* KP 1.43 LA 0.98 MK 1.03 ! NL 0.98 NY 1.00* OV 1.04 PT 1.03 ! SC 0.92 TS 1.75 WZ 1.00* ZC 1.12 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.05 HN 0.96 KB 1.00* ! KK 1.00* KP 0.99 LA 1.01 MK 0.89 ! NL 1.01 NY 1.00* OV 1.02 PT 1.01 ! SC 1.06 TS 0.95 WZ 1.00* ZC 1.06 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 0.99 HN 1.27 KB 1.00* ! KK 1.00* KP 1.00 LA 0.98 MK 1.12 ! NL 1.00 NY 1.00* OV 1.04 PT 0.95 ! SC 0.89 TS 1.75 WZ 1.00* ZC 1.14 ! ! ! Fit before self-cal, rms=0.147858Jy sigma=0.001244 ! Fit after self-cal, rms=0.158413Jy sigma=0.001230 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Estimated beam: bmin=0.6705 mas, bmaj=0.7633 mas, bpa=-12.89 degrees ! Estimated noise=414.975 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 = -0.00124131 Jy ! Component: 100 - total flux cleaned = -0.00167018 Jy ! Component: 150 - total flux cleaned = -0.00203508 Jy ! Component: 200 - total flux cleaned = -0.00235143 Jy ! Total flux subtracted in 200 components = -0.00235143 Jy ! Clean residual min=-0.002398 max=0.002175 Jy/beam ! Clean residual mean=-0.000016 rms=0.000559 Jy/beam ! Combined flux in latest and established models = 0.188343 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 28 components and 0.188343 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158383Jy sigma=0.001230 ! Fit after self-cal, rms=0.158578Jy sigma=0.001230 ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 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=0.158578Jy sigma=0.001230 ! Fit after self-cal, rms=0.160829Jy sigma=0.001230 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Estimated beam: bmin=0.6735 mas, bmaj=0.7657 mas, bpa=-11.5 degrees ! Estimated noise=416.605 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000577029 Jy ! Component: 100 - total flux cleaned = -0.000940946 Jy ! Component: 150 - total flux cleaned = -0.00125564 Jy ! Component: 200 - total flux cleaned = -0.00149314 Jy ! Total flux subtracted in 200 components = -0.00149314 Jy ! Clean residual min=-0.002322 max=0.002129 Jy/beam ! Clean residual mean=-0.000016 rms=0.000547 Jy/beam ! Combined flux in latest and established models = 0.18685 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 31 components and 0.18685 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160810Jy sigma=0.001229 ! Fit after self-cal, rms=0.160827Jy sigma=0.001229 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 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 = -0.000235025 Jy ! Component: 100 - total flux cleaned = -0.000338984 Jy ! Component: 150 - total flux cleaned = -0.000466476 Jy ! Component: 200 - total flux cleaned = -0.000555491 Jy ! Total flux subtracted in 200 components = -0.000555491 Jy ! Clean residual min=-0.002294 max=0.002075 Jy/beam ! Clean residual mean=-0.000016 rms=0.000542 Jy/beam ! Combined flux in latest and established models = 0.186294 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 31 components and 0.186294 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160817Jy sigma=0.001229 ! Fit after self-cal, rms=0.160817Jy sigma=0.001229 ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 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=0.160817Jy sigma=0.001229 ! Fit after self-cal, rms=0.162752Jy sigma=0.001229 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Estimated beam: bmin=0.6758 mas, bmaj=0.769 mas, bpa=-10.33 degrees ! Estimated noise=418.718 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000208587 Jy ! Component: 100 - total flux cleaned = -0.000467685 Jy ! Component: 150 - total flux cleaned = -0.000688234 Jy ! Component: 200 - total flux cleaned = -0.000882175 Jy ! Total flux subtracted in 200 components = -0.000882175 Jy ! Clean residual min=-0.002222 max=0.002104 Jy/beam ! Clean residual mean=-0.000016 rms=0.000537 Jy/beam ! Combined flux in latest and established models = 0.185412 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 31 components and 0.185412 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162741Jy sigma=0.001229 ! Fit after self-cal, rms=0.162751Jy sigma=0.001229 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 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 = -0.000165949 Jy ! Component: 100 - total flux cleaned = -0.000222018 Jy ! Component: 150 - total flux cleaned = -0.00032397 Jy ! Component: 200 - total flux cleaned = -0.000371256 Jy ! Total flux subtracted in 200 components = -0.000371256 Jy ! Clean residual min=-0.002183 max=0.002058 Jy/beam ! Clean residual mean=-0.000016 rms=0.000534 Jy/beam ! Combined flux in latest and established models = 0.185041 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 31 components and 0.185041 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162744Jy sigma=0.001229 ! Fit after self-cal, rms=0.162744Jy sigma=0.001229 ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 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=0.162744Jy sigma=0.001229 ! Fit after self-cal, rms=0.164603Jy sigma=0.001229 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Estimated beam: bmin=2.125 mas, bmaj=3.137 mas, bpa=89.56 degrees ! Estimated noise=597.714 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000681365 Jy ! Component: 100 - total flux cleaned = -0.00083937 Jy ! Component: 150 - total flux cleaned = -0.00089425 Jy ! Component: 200 - total flux cleaned = -0.000940733 Jy ! Total flux subtracted in 200 components = -0.000940733 Jy ! Clean residual min=-0.002369 max=0.002345 Jy/beam ! Clean residual mean=-0.000053 rms=0.000692 Jy/beam ! Combined flux in latest and established models = 0.1841 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 31 components and 0.1841 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164601Jy sigma=0.001229 ! Fit after self-cal, rms=0.164612Jy sigma=0.001229 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 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 = -1.65414e-05 Jy ! Component: 100 - total flux cleaned = -5.65871e-05 Jy ! Component: 150 - total flux cleaned = -9.00973e-05 Jy ! Component: 200 - total flux cleaned = -0.000112024 Jy ! Total flux subtracted in 200 components = -0.000112024 Jy ! Clean residual min=-0.002371 max=0.002335 Jy/beam ! Clean residual mean=-0.000054 rms=0.000691 Jy/beam ! Combined flux in latest and established models = 0.183988 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 33 components and 0.183988 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164609Jy sigma=0.001229 ! Fit after self-cal, rms=0.164612Jy sigma=0.001229 ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 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 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Estimated beam: bmin=0.6778 mas, bmaj=0.7724 mas, bpa=-9.461 degrees ! Estimated noise=420.792 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6778 x 0.7724 at -9.461 degrees (North through East) ! Clean map min=-0.0018037 max=0.15347 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 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Estimated beam: bmin=0.5112 mas, bmaj=0.6221 mas, bpa=0.5692 degrees ! Estimated noise=840.385 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.11532 Jy ! Component: 100 - total flux cleaned = 0.144204 Jy ! Component: 150 - total flux cleaned = 0.15902 Jy ! Component: 200 - total flux cleaned = 0.16812 Jy ! Total flux subtracted in 200 components = 0.16812 Jy ! Clean residual min=-0.004652 max=0.007523 Jy/beam ! Clean residual mean=-0.000008 rms=0.001154 Jy/beam ! Combined flux in latest and established models = 0.16812 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.16812 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Estimated beam: bmin=0.6778 mas, bmaj=0.7724 mas, bpa=-9.461 degrees ! Estimated noise=420.792 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 (0.6, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00942877 Jy ! Component: 100 - total flux cleaned = 0.0139935 Jy ! Component: 150 - total flux cleaned = 0.0160384 Jy ! Component: 200 - total flux cleaned = 0.0165037 Jy ! Total flux subtracted in 200 components = 0.0165037 Jy ! Clean residual min=-0.002280 max=0.002771 Jy/beam ! Clean residual mean=-0.000016 rms=0.000550 Jy/beam ! Combined flux in latest and established models = 0.184624 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 26 components and 0.184624 Jy ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Added new window around map position (4.4, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0019213 Jy ! Component: 100 - total flux cleaned = 0.00197961 Jy ! Component: 150 - total flux cleaned = 0.00208632 Jy ! Component: 200 - total flux cleaned = 0.00213067 Jy ! Total flux subtracted in 200 components = 0.00213067 Jy ! Clean residual min=-0.002236 max=0.002117 Jy/beam ! Clean residual mean=-0.000013 rms=0.000528 Jy/beam ! Combined flux in latest and established models = 0.186754 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 36 components and 0.186754 Jy ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 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 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Estimated beam: bmin=2.125 mas, bmaj=3.137 mas, bpa=89.56 degrees ! Estimated noise=597.714 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000440963 Jy ! Component: 100 - total flux cleaned = -0.000542463 Jy ! Component: 150 - total flux cleaned = -0.000610888 Jy ! Component: 200 - total flux cleaned = -0.000655981 Jy ! Total flux subtracted in 200 components = -0.000655981 Jy ! Clean residual min=-0.002391 max=0.001946 Jy/beam ! Clean residual mean=-0.000045 rms=0.000663 Jy/beam ! Combined flux in latest and established models = 0.186099 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 = -4.2356e-05 Jy ! Component: 100 - total flux cleaned = -8.07352e-05 Jy ! Component: 150 - total flux cleaned = -0.000116283 Jy ! Component: 200 - total flux cleaned = -0.00014885 Jy ! Total flux subtracted in 200 components = -0.00014885 Jy ! Clean residual min=-0.002402 max=0.001949 Jy/beam ! Clean residual mean=-0.000045 rms=0.000659 Jy/beam ! Combined flux in latest and established models = 0.18595 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 50 components and 0.18595 Jy ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! Estimated beam: bmin=0.6778 mas, bmaj=0.7724 mas, bpa=-9.461 degrees ! Estimated noise=420.792 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000148578 Jy ! Component: 100 - total flux cleaned = 0.000186303 Jy ! Component: 150 - total flux cleaned = 0.000186512 Jy ! Component: 200 - total flux cleaned = 0.000186171 Jy ! Total flux subtracted in 200 components = 0.000186171 Jy ! Clean residual min=-0.002218 max=0.002120 Jy/beam ! Clean residual mean=-0.000014 rms=0.000519 Jy/beam ! Combined flux in latest and established models = 0.186136 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 62 components and 0.186136 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164613Jy sigma=0.001229 ! Fit after self-cal, rms=0.164604Jy sigma=0.001229 wmodel J0755+6312_X_2009_04_21_pus_map.mod ! Writing 62 model components to file: J0755+6312_X_2009_04_21_pus_map.mod wobs J0755+6312_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J0755+6312_X_2009_04_21_pus_uvs.fits wwins J0755+6312_X_2009_04_21_pus_map.win ! wwins: Wrote 5 windows to J0755+6312_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 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000606807 Jy ! Component: 100 - total flux cleaned = -0.000979108 Jy ! Component: 150 - total flux cleaned = -0.00126363 Jy ! Component: 200 - total flux cleaned = -0.00150365 Jy ! Component: 250 - total flux cleaned = -0.00157024 Jy ! Component: 300 - total flux cleaned = -0.00166792 Jy ! Component: 350 - total flux cleaned = -0.00182755 Jy ! Component: 400 - total flux cleaned = -0.00201547 Jy ! Component: 450 - total flux cleaned = -0.00216939 Jy ! Component: 500 - total flux cleaned = -0.00226039 Jy ! Component: 550 - total flux cleaned = -0.00237982 Jy ! Component: 600 - total flux cleaned = -0.0025272 Jy ! Component: 650 - total flux cleaned = -0.00261445 Jy ! Component: 700 - total flux cleaned = -0.00261424 Jy ! Component: 750 - total flux cleaned = -0.00267096 Jy ! Component: 800 - total flux cleaned = -0.00269906 Jy ! Component: 850 - total flux cleaned = -0.00281037 Jy ! Component: 900 - total flux cleaned = -0.00297524 Jy ! Component: 950 - total flux cleaned = -0.00300244 Jy ! Component: 1000 - total flux cleaned = -0.00311059 Jy ! Component: 1050 - total flux cleaned = -0.00313757 Jy ! Component: 1100 - total flux cleaned = -0.00329668 Jy ! Component: 1150 - total flux cleaned = -0.00342759 Jy ! Component: 1200 - total flux cleaned = -0.00350529 Jy ! Component: 1250 - total flux cleaned = -0.00353109 Jy ! Component: 1300 - total flux cleaned = -0.00355675 Jy ! Component: 1350 - total flux cleaned = -0.00365818 Jy ! Component: 1400 - total flux cleaned = -0.00373362 Jy ! Component: 1450 - total flux cleaned = -0.00393274 Jy ! Component: 1500 - total flux cleaned = -0.00393268 Jy ! Component: 1550 - total flux cleaned = -0.00408005 Jy ! Component: 1600 - total flux cleaned = -0.00420161 Jy ! Component: 1650 - total flux cleaned = -0.00429825 Jy ! Component: 1700 - total flux cleaned = -0.00441848 Jy ! Component: 1750 - total flux cleaned = -0.00453749 Jy ! Component: 1800 - total flux cleaned = -0.00458491 Jy ! Component: 1850 - total flux cleaned = -0.00465567 Jy ! Component: 1900 - total flux cleaned = -0.00477252 Jy ! Component: 1950 - total flux cleaned = -0.00491168 Jy ! Component: 2000 - total flux cleaned = -0.00493475 Jy ! Total flux subtracted in 2048 components = -0.00500357 Jy ! Clean residual min=-0.001295 max=0.001370 Jy/beam ! Clean residual mean=-0.000005 rms=0.000397 Jy/beam ! Combined flux in latest and established models = 0.181132 Jy keep ! Adding 155 model components to the UV plane model. ! The established model now contains 217 components and 0.181132 Jy ![Exited script file: muppet] wmap "J0755+6312_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6778 x 0.7724 at -9.461 degrees (North through East) ! Clean map min=-0.0019382 max=0.1525 Jy/beam ! Writing clean map to FITS file: J0755+6312_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 0.152503 invert ! Inverting map ! Your choice of large map pixels excluded 8.04% of the data. ! The x-axis pixel size should ideally be below 0.1735 milli-arcsec ! The y-axis pixel size should ideally be below 0.1666 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000397194 device "J0755+6312_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J0755+6312_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.781346 0.781346 1.56269 3.12539 6.25077 12.5015 25.0031 50.0062 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.152 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6778 x 0.7724 at -9.461 degrees (North through East) ! Clean map min=-0.0019382 max=0.1525 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0755+6312_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J0755+6312_X_2009_04_21_pus_map.gif/vgif' mapplot cln