! Started logfile: J1755+6236_X_2010_06_23_pus_uvs.log on Thu Jan 27 22:05:11 2011 obs J1755+6236_X_2010_06_23_pus_uva.fits ! Reading UV FITS file: J1755+6236_X_2010_06_23_pus_uva.fits ! AN table 1: 220 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.487489 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1755+6236 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40996e+09 8e+06 1 8e+06 ! 02 2 8.47996e+09 8e+06 1 8e+06 ! 03 3 8.79496e+09 8e+06 1 8e+06 ! 04 4 8.89996e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 3588 lines of history. ! ! Reading 45044 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 J1755+6236_X_2010_06_23_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 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 1004 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1107 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1209 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1209 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.005911Jy sigma=0.013306 ! Fit after self-cal, rms=0.958536Jy sigma=0.012709 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! Estimated beam: bmin=0.4868 mas, bmaj=0.6113 mas, bpa=-17.64 degrees ! Estimated noise=595.626 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 = 0.0351355 Jy ! Component: 100 - total flux cleaned = 0.0433901 Jy ! Total flux subtracted in 100 components = 0.0433901 Jy ! Clean residual min=-0.003532 max=0.003886 Jy/beam ! Clean residual mean=-0.000007 rms=0.000905 Jy/beam ! Combined flux in latest and established models = 0.0433901 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0433901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.106580Jy sigma=0.001278 ! Fit after self-cal, rms=0.104954Jy sigma=0.001256 ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00564862 Jy ! Component: 100 - total flux cleaned = 0.00855538 Jy ! Total flux subtracted in 100 components = 0.00855538 Jy ! Clean residual min=-0.003520 max=0.003408 Jy/beam ! Clean residual mean=-0.000009 rms=0.000891 Jy/beam ! Combined flux in latest and established models = 0.0519455 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 8 components and 0.0519455 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.104583Jy sigma=0.001253 ! Fit after self-cal, rms=0.104469Jy sigma=0.001252 ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! Estimated beam: bmin=0.6589 mas, bmaj=0.8158 mas, bpa=-31.48 degrees ! Estimated noise=283.444 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 = 0.00213014 Jy ! Component: 100 - total flux cleaned = 0.00273393 Jy ! Component: 150 - total flux cleaned = 0.00280578 Jy ! Component: 200 - total flux cleaned = 0.00286381 Jy ! Total flux subtracted in 200 components = 0.00286381 Jy ! Clean residual min=-0.002112 max=0.002022 Jy/beam ! Clean residual mean=-0.000035 rms=0.000536 Jy/beam ! Combined flux in latest and established models = 0.0548093 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 11 components and 0.0548093 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.104431Jy sigma=0.001252 ! Fit after self-cal, rms=0.104378Jy sigma=0.001252 ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 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 1.00 FD 1.04 HN 0.86 KK 1.00* ! KP 1.05 LA 0.98 MA 1.00* MK 1.03 ! NL 1.05 NY 1.00* OV 1.14 PT 1.06 ! SC 1.03 TS 1.17 ZC 0.98 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.10 HN 0.92 KK 1.00* ! KP 0.99 LA 1.01 MA 1.00* MK 1.09 ! NL 1.07 NY 1.00* OV 1.14 PT 1.02 ! SC 0.98 TS 1.14 ZC 1.02 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.95 HN 0.77 KK 1.00* ! KP 0.96 LA 1.03 MA 1.00* MK 0.91 ! NL 0.98 NY 1.00* OV 1.04 PT 1.07 ! SC 0.88 TS 1.12 ZC 0.84 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.87 HN 0.84 KK 1.00* ! KP 0.95 LA 0.96 MA 1.00* MK 0.77 ! NL 0.96 NY 1.00* OV 1.00 PT 1.05 ! SC 0.85 TS 1.12 ZC 0.80 ! ! ! Fit before self-cal, rms=0.104378Jy sigma=0.001252 ! Fit after self-cal, rms=0.100237Jy sigma=0.001248 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! Estimated beam: bmin=0.675 mas, bmaj=0.8062 mas, bpa=-31.78 degrees ! Estimated noise=283.855 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 = 0.000181522 Jy ! Component: 100 - total flux cleaned = 0.000224639 Jy ! Component: 150 - total flux cleaned = 0.000261378 Jy ! Component: 200 - total flux cleaned = 0.00028519 Jy ! Total flux subtracted in 200 components = 0.00028519 Jy ! Clean residual min=-0.001736 max=0.001715 Jy/beam ! Clean residual mean=-0.000039 rms=0.000467 Jy/beam ! Combined flux in latest and established models = 0.0550945 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 16 components and 0.0550945 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100234Jy sigma=0.001248 ! Fit after self-cal, rms=0.100227Jy sigma=0.001247 ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 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=0.100227Jy sigma=0.001247 ! Fit after self-cal, rms=0.099261Jy sigma=0.001246 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! Estimated beam: bmin=0.6796 mas, bmaj=0.8108 mas, bpa=-34.34 degrees ! Estimated noise=285.181 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.39866e-05 Jy ! Component: 100 - total flux cleaned = 9.09161e-05 Jy ! Component: 150 - total flux cleaned = 0.000117157 Jy ! Component: 200 - total flux cleaned = 0.000139915 Jy ! Total flux subtracted in 200 components = 0.000139915 Jy ! Clean residual min=-0.001582 max=0.001802 Jy/beam ! Clean residual mean=-0.000041 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.0552344 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 17 components and 0.0552344 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099256Jy sigma=0.001246 ! Fit after self-cal, rms=0.099266Jy sigma=0.001245 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.03921e-05 Jy ! Component: 100 - total flux cleaned = -9.0685e-05 Jy ! Component: 150 - total flux cleaned = -9.06727e-05 Jy ! Component: 200 - total flux cleaned = -9.00904e-05 Jy ! Total flux subtracted in 200 components = -9.00904e-05 Jy ! Clean residual min=-0.001572 max=0.001831 Jy/beam ! Clean residual mean=-0.000039 rms=0.000434 Jy/beam ! Combined flux in latest and established models = 0.0551443 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 20 components and 0.0551443 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099264Jy sigma=0.001245 ! Fit after self-cal, rms=0.099268Jy sigma=0.001245 ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 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=0.099268Jy sigma=0.001245 ! Fit after self-cal, rms=0.099385Jy sigma=0.001245 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! Estimated beam: bmin=0.6797 mas, bmaj=0.8129 mas, bpa=-35.81 degrees ! Estimated noise=285.353 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0001178 Jy ! Component: 100 - total flux cleaned = 0.000159117 Jy ! Component: 150 - total flux cleaned = 0.000181834 Jy ! Component: 200 - total flux cleaned = 0.00019164 Jy ! Total flux subtracted in 200 components = 0.00019164 Jy ! Clean residual min=-0.001595 max=0.001806 Jy/beam ! Clean residual mean=-0.000041 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.055336 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 20 components and 0.055336 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099382Jy sigma=0.001245 ! Fit after self-cal, rms=0.099391Jy sigma=0.001245 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 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 (8.6, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00175531 Jy ! Component: 100 - total flux cleaned = 0.00261984 Jy ! Component: 150 - total flux cleaned = 0.00305895 Jy ! Component: 200 - total flux cleaned = 0.00326546 Jy ! Total flux subtracted in 200 components = 0.00326546 Jy ! Clean residual min=-0.001603 max=0.001477 Jy/beam ! Clean residual mean=-0.000035 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.0586014 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 35 components and 0.0586014 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099365Jy sigma=0.001244 ! Fit after self-cal, rms=0.099344Jy sigma=0.001244 ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 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=0.099344Jy sigma=0.001244 ! Fit after self-cal, rms=0.099169Jy sigma=0.001244 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! Estimated beam: bmin=2.179 mas, bmaj=3.429 mas, bpa=-88.96 degrees ! Estimated noise=415.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0016868 Jy ! Component: 100 - total flux cleaned = 0.00254629 Jy ! Component: 150 - total flux cleaned = 0.00306608 Jy ! Component: 200 - total flux cleaned = 0.00339041 Jy ! Total flux subtracted in 200 components = 0.00339041 Jy ! Clean residual min=-0.002043 max=0.001967 Jy/beam ! Clean residual mean=-0.000092 rms=0.000690 Jy/beam ! Combined flux in latest and established models = 0.0619918 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 42 components and 0.0619918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099163Jy sigma=0.001244 ! Fit after self-cal, rms=0.099125Jy sigma=0.001244 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 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 = 0.00129403 Jy ! Component: 100 - total flux cleaned = 0.00183701 Jy ! Component: 150 - total flux cleaned = 0.00216702 Jy ! Component: 200 - total flux cleaned = 0.00237017 Jy ! Total flux subtracted in 200 components = 0.00237017 Jy ! Clean residual min=-0.002023 max=0.002090 Jy/beam ! Clean residual mean=-0.000091 rms=0.000689 Jy/beam ! Combined flux in latest and established models = 0.064362 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 45 components and 0.064362 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099122Jy sigma=0.001244 ! Fit after self-cal, rms=0.099094Jy sigma=0.001243 ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 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 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! Estimated beam: bmin=0.6787 mas, bmaj=0.8151 mas, bpa=-36.88 degrees ! Estimated noise=284.505 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6787 x 0.8151 at -36.88 degrees (North through East) ! Clean map min=-0.0013648 max=0.049504 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 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! Estimated beam: bmin=0.5025 mas, bmaj=0.6064 mas, bpa=-17.27 degrees ! Estimated noise=594.569 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0368363 Jy ! Component: 100 - total flux cleaned = 0.0460122 Jy ! Component: 150 - total flux cleaned = 0.0504491 Jy ! Component: 200 - total flux cleaned = 0.0534899 Jy ! Total flux subtracted in 200 components = 0.0534899 Jy ! Clean residual min=-0.003211 max=0.003413 Jy/beam ! Clean residual mean=-0.000010 rms=0.000821 Jy/beam ! Combined flux in latest and established models = 0.0534899 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0534899 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! Estimated beam: bmin=0.6787 mas, bmaj=0.8151 mas, bpa=-36.88 degrees ! Estimated noise=284.505 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 = 0.00351696 Jy ! Component: 100 - total flux cleaned = 0.00583348 Jy ! Component: 150 - total flux cleaned = 0.00749589 Jy ! Component: 200 - total flux cleaned = 0.00875942 Jy ! Total flux subtracted in 200 components = 0.00875942 Jy ! Clean residual min=-0.001687 max=0.001580 Jy/beam ! Clean residual mean=-0.000038 rms=0.000418 Jy/beam ! Combined flux in latest and established models = 0.0622493 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 27 components and 0.0622493 Jy ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 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 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! Estimated beam: bmin=2.179 mas, bmaj=3.429 mas, bpa=-88.96 degrees ! Estimated noise=415.16 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00163655 Jy ! Component: 100 - total flux cleaned = 0.00262811 Jy ! Component: 150 - total flux cleaned = 0.00324258 Jy ! Component: 200 - total flux cleaned = 0.00362624 Jy ! Total flux subtracted in 200 components = 0.00362624 Jy ! Clean residual min=-0.002080 max=0.002212 Jy/beam ! Clean residual mean=-0.000092 rms=0.000694 Jy/beam ! Combined flux in latest and established models = 0.0658756 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000200533 Jy ! Component: 100 - total flux cleaned = 0.000259328 Jy ! Component: 150 - total flux cleaned = 0.00030781 Jy ! Component: 200 - total flux cleaned = 0.000343106 Jy ! Total flux subtracted in 200 components = 0.000343106 Jy ! Clean residual min=-0.002068 max=0.002271 Jy/beam ! Clean residual mean=-0.000091 rms=0.000692 Jy/beam ! Combined flux in latest and established models = 0.0662187 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 38 components and 0.0662187 Jy ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! Estimated beam: bmin=0.6787 mas, bmaj=0.8151 mas, bpa=-36.88 degrees ! Estimated noise=284.505 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000469132 Jy ! Component: 100 - total flux cleaned = -0.000693485 Jy ! Component: 150 - total flux cleaned = -0.000734419 Jy ! Component: 200 - total flux cleaned = -0.000753232 Jy ! Total flux subtracted in 200 components = -0.000753232 Jy ! Clean residual min=-0.001618 max=0.001620 Jy/beam ! Clean residual mean=-0.000034 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.0654655 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 48 components and 0.0654655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099096Jy sigma=0.001244 ! Fit after self-cal, rms=0.099049Jy sigma=0.001243 wmodel J1755+6236_X_2010_06_23_pus_map.mod ! Writing 48 model components to file: J1755+6236_X_2010_06_23_pus_map.mod wobs J1755+6236_X_2010_06_23_pus_uvs.fits ! Writing UV FITS file: J1755+6236_X_2010_06_23_pus_uvs.fits wwins J1755+6236_X_2010_06_23_pus_map.win ! wwins: Wrote 2 windows to J1755+6236_X_2010_06_23_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00035058 Jy ! Component: 100 - total flux cleaned = -0.000376442 Jy ! Component: 150 - total flux cleaned = -0.000530259 Jy ! Component: 200 - total flux cleaned = -0.000728232 Jy ! Component: 250 - total flux cleaned = -0.000873106 Jy ! Component: 300 - total flux cleaned = -0.00106128 Jy ! Component: 350 - total flux cleaned = -0.00117576 Jy ! Component: 400 - total flux cleaned = -0.00126544 Jy ! Component: 450 - total flux cleaned = -0.00130906 Jy ! Component: 500 - total flux cleaned = -0.00130898 Jy ! Component: 550 - total flux cleaned = -0.00137285 Jy ! Component: 600 - total flux cleaned = -0.00141477 Jy ! Component: 650 - total flux cleaned = -0.00147665 Jy ! Component: 700 - total flux cleaned = -0.00151699 Jy ! Component: 750 - total flux cleaned = -0.00151727 Jy ! Component: 800 - total flux cleaned = -0.00157598 Jy ! Component: 850 - total flux cleaned = -0.00163387 Jy ! Component: 900 - total flux cleaned = -0.00163385 Jy ! Component: 950 - total flux cleaned = -0.00163363 Jy ! Component: 1000 - total flux cleaned = -0.00161546 Jy ! Component: 1050 - total flux cleaned = -0.00172559 Jy ! Component: 1100 - total flux cleaned = -0.00174338 Jy ! Component: 1150 - total flux cleaned = -0.00168952 Jy ! Component: 1200 - total flux cleaned = -0.00176087 Jy ! Component: 1250 - total flux cleaned = -0.00177836 Jy ! Component: 1300 - total flux cleaned = -0.00183066 Jy ! Component: 1350 - total flux cleaned = -0.00186527 Jy ! Component: 1400 - total flux cleaned = -0.00191625 Jy ! Component: 1450 - total flux cleaned = -0.00198333 Jy ! Component: 1500 - total flux cleaned = -0.00201623 Jy ! Component: 1550 - total flux cleaned = -0.00203278 Jy ! Component: 1600 - total flux cleaned = -0.00209784 Jy ! Component: 1650 - total flux cleaned = -0.00217851 Jy ! Component: 1700 - total flux cleaned = -0.00222644 Jy ! Component: 1750 - total flux cleaned = -0.00230561 Jy ! Component: 1800 - total flux cleaned = -0.0023837 Jy ! Component: 1850 - total flux cleaned = -0.00238353 Jy ! Component: 1900 - total flux cleaned = -0.00242961 Jy ! Component: 1950 - total flux cleaned = -0.00252124 Jy ! Component: 2000 - total flux cleaned = -0.00255137 Jy ! Total flux subtracted in 2048 components = -0.00258144 Jy ! Clean residual min=-0.000916 max=0.000747 Jy/beam ! Clean residual mean=-0.000016 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.062884 Jy keep ! Adding 171 model components to the UV plane model. ! The established model now contains 219 components and 0.062884 Jy ![Exited script file: muppet] wmap "J1755+6236_X_2010_06_23_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6787 x 0.8151 at -36.88 degrees (North through East) ! Clean map min=-0.0013619 max=0.0492 Jy/beam ! Writing clean map to FITS file: J1755+6236_X_2010_06_23_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.0492 invert ! Inverting map ! Your choice of large map pixels excluded 6.69% of the data. ! The x-axis pixel size should ideally be below 0.1698 milli-arcsec ! The y-axis pixel size should ideally be below 0.184 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000265693 device "J1755+6236_X_2010_06_23_pus\_map.eps/VPS" ! Attempting to open device: 'J1755+6236_X_2010_06_23_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.62008 1.62008 3.24016 6.48033 12.9607 25.9213 51.8426 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.049 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6787 x 0.8151 at -36.88 degrees (North through East) ! Clean map min=-0.0013619 max=0.0492 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1755+6236_X_2010_06_23_pus\_map.gif/vgif" ! Attempting to open device: 'J1755+6236_X_2010_06_23_pus_map.gif/vgif' mapplot cln