! Started logfile: J1756+1535_X_2013_01_09_pus_uvs.log on Mon Nov 3 15:55:33 2014 obs J1756+1535_X_2013_01_09_pus_uva.fits ! Reading UV FITS file: J1756+1535_X_2013_01_09_pus_uva.fits ! AN table 1: 136 integrations on 120 of 120 possible baselines. ! AN table 2: 103 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.165167 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1756+1535 ! ! 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 2998 lines of history. ! ! Reading 18948 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 = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1756+1535_X_2013_01_09_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 = 256x256 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 1369 telescope corrections were flagged in sub-array 1. ! A total of 1007 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1369 telescope corrections were flagged in sub-array 1. ! A total of 1007 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1369 telescope corrections were flagged in sub-array 1. ! A total of 1007 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1369 telescope corrections were flagged in sub-array 1. ! A total of 1007 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.793135Jy sigma=0.008116 ! Fit after self-cal, rms=0.757071Jy sigma=0.007809 ! 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 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.5505 mas, bmaj=1.518 mas, bpa=-6.873 degrees ! Estimated noise=884.564 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 = 0.163858 Jy ! Component: 100 - total flux cleaned = 0.22203 Jy ! Total flux subtracted in 100 components = 0.22203 Jy ! Clean residual min=-0.011050 max=0.023928 Jy/beam ! Clean residual mean=0.000028 rms=0.003505 Jy/beam ! Combined flux in latest and established models = 0.22203 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.22203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156801Jy sigma=0.001314 ! Fit after self-cal, rms=0.156626Jy sigma=0.001313 ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0256952 Jy ! Component: 100 - total flux cleaned = 0.040383 Jy ! Total flux subtracted in 100 components = 0.040383 Jy ! Clean residual min=-0.011845 max=0.010306 Jy/beam ! Clean residual mean=-0.000019 rms=0.002736 Jy/beam ! Combined flux in latest and established models = 0.262413 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 18 components and 0.262413 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147642Jy sigma=0.001232 ! Fit after self-cal, rms=0.147612Jy sigma=0.001232 ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9059 mas, bmaj=1.881 mas, bpa=-5.679 degrees ! Estimated noise=533.78 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 = 0.0164954 Jy ! Component: 100 - total flux cleaned = 0.0237288 Jy ! Component: 150 - total flux cleaned = 0.0270614 Jy ! Component: 200 - total flux cleaned = 0.0285977 Jy ! Total flux subtracted in 200 components = 0.0285977 Jy ! Clean residual min=-0.009821 max=0.011109 Jy/beam ! Clean residual mean=-0.000611 rms=0.003173 Jy/beam ! Combined flux in latest and established models = 0.29101 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 24 components and 0.29101 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.145338Jy sigma=0.001220 ! Fit after self-cal, rms=0.145326Jy sigma=0.001220 ! Inverting map ! Your choice of large map pixels excluded 0.879% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.97 HH 1.00* HN 1.16 ! KP 0.77 LA 1.02 MC 1.00* MK 0.81 ! NL 0.92 NY 1.00* OV 1.01 PT 1.07 ! SC 0.89 TS 1.00* WF 0.98 WZ 1.00* ! ! A total of 78 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.00 HH 1.00* HN 1.00* ! KP 0.77 LA 0.99 MC 1.00* MK 1.04 ! NL 0.96 NY 1.00* OV 1.03 PT 1.03 ! SC 1.00* TS 1.14 WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.98 HH 1.00* HN 1.21 ! KP 0.76 LA 1.03 MC 1.00* MK 0.91 ! NL 1.06 NY 1.00* OV 1.06 PT 1.12 ! SC 0.95 TS 1.00* WF 1.06 WZ 1.00* ! ! A total of 78 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 0.99 HH 1.00* HN 1.00* ! KP 0.76 LA 1.04 MC 1.00* MK 1.14 ! NL 1.13 NY 1.00* OV 1.04 PT 1.09 ! SC 1.00* TS 1.00 WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.97 HH 1.00* HN 1.25 ! KP 0.66 LA 1.03 MC 1.00* MK 0.87 ! NL 0.97 NY 1.00* OV 1.04 PT 1.02 ! SC 0.90 TS 1.00* WF 1.09 WZ 1.00* ! ! A total of 78 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 0.93 HH 1.00* HN 1.00* ! KP 0.67 LA 1.04 MC 1.00* MK 1.05 ! NL 1.04 NY 1.00* OV 1.03 PT 1.01 ! SC 1.00* TS 0.93 WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.03 HH 1.00* HN 1.20 ! KP 0.71 LA 1.10 MC 1.00* MK 0.94 ! NL 1.02 NY 1.00* OV 1.07 PT 1.14 ! SC 0.98 TS 1.00* WF 1.16 WZ 1.00* ! ! A total of 78 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.12 FD 1.05 HH 1.00* HN 1.00* ! KP 0.71 LA 1.12 MC 1.00* MK 1.08 ! NL 1.10 NY 1.00* OV 1.09 PT 1.13 ! SC 1.00* TS 1.11 WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.145326Jy sigma=0.001220 ! Fit after self-cal, rms=0.135706Jy sigma=0.001139 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.91 mas, bmaj=1.932 mas, bpa=-5.227 degrees ! Estimated noise=540.723 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 = -0.00173714 Jy ! Component: 100 - total flux cleaned = -0.00188744 Jy ! Component: 150 - total flux cleaned = -0.00198267 Jy ! Component: 200 - total flux cleaned = -0.00201148 Jy ! Total flux subtracted in 200 components = -0.00201148 Jy ! Clean residual min=-0.003170 max=0.005371 Jy/beam ! Clean residual mean=0.000217 rms=0.001128 Jy/beam ! Combined flux in latest and established models = 0.288999 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 33 components and 0.288999 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135680Jy sigma=0.001139 ! Fit after self-cal, rms=0.135748Jy sigma=0.001137 ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.135748Jy sigma=0.001137 ! Fit after self-cal, rms=0.136364Jy sigma=0.001131 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9154 mas, bmaj=1.935 mas, bpa=-5.276 degrees ! Estimated noise=540.858 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000688342 Jy ! Component: 100 - total flux cleaned = -0.000793096 Jy ! Component: 150 - total flux cleaned = -0.000824699 Jy ! Component: 200 - total flux cleaned = -0.000821836 Jy ! Total flux subtracted in 200 components = -0.000821836 Jy ! Clean residual min=-0.002930 max=0.004778 Jy/beam ! Clean residual mean=0.000171 rms=0.001050 Jy/beam ! Combined flux in latest and established models = 0.288177 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 34 components and 0.288177 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136346Jy sigma=0.001131 ! Fit after self-cal, rms=0.136370Jy sigma=0.001131 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 (-1.6, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00361564 Jy ! Component: 100 - total flux cleaned = 0.00382386 Jy ! Component: 150 - total flux cleaned = 0.00382134 Jy ! Component: 200 - total flux cleaned = 0.00388977 Jy ! Total flux subtracted in 200 components = 0.00388977 Jy ! Clean residual min=-0.002810 max=0.003555 Jy/beam ! Clean residual mean=0.000112 rms=0.000872 Jy/beam ! Combined flux in latest and established models = 0.292067 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 50 components and 0.292067 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136169Jy sigma=0.001129 ! Fit after self-cal, rms=0.136134Jy sigma=0.001128 ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.136134Jy sigma=0.001128 ! Fit after self-cal, rms=0.135959Jy sigma=0.001123 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9221 mas, bmaj=1.934 mas, bpa=-5.128 degrees ! Estimated noise=542.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0019311 Jy ! Component: 100 - total flux cleaned = 0.00200211 Jy ! Component: 150 - total flux cleaned = 0.00200039 Jy ! Component: 200 - total flux cleaned = 0.00210971 Jy ! Total flux subtracted in 200 components = 0.00210971 Jy ! Clean residual min=-0.002417 max=0.002777 Jy/beam ! Clean residual mean=0.000112 rms=0.000724 Jy/beam ! Combined flux in latest and established models = 0.294176 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 60 components and 0.294176 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135868Jy sigma=0.001122 ! Fit after self-cal, rms=0.135858Jy sigma=0.001121 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 = 0.000520875 Jy ! Component: 100 - total flux cleaned = 0.000616208 Jy ! Component: 150 - total flux cleaned = 0.000616912 Jy ! Component: 200 - total flux cleaned = 0.000619561 Jy ! Total flux subtracted in 200 components = 0.000619561 Jy ! Clean residual min=-0.002300 max=0.002691 Jy/beam ! Clean residual mean=0.000102 rms=0.000707 Jy/beam ! Combined flux in latest and established models = 0.294796 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 62 components and 0.294796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135824Jy sigma=0.001121 ! Fit after self-cal, rms=0.135821Jy sigma=0.001121 ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.135821Jy sigma=0.001121 ! Fit after self-cal, rms=0.135363Jy sigma=0.001121 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=2.821 mas, bmaj=3.073 mas, bpa=-21.18 degrees ! Estimated noise=636.916 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00114536 Jy ! Component: 100 - total flux cleaned = 0.00122353 Jy ! Component: 150 - total flux cleaned = 0.00128022 Jy ! Component: 200 - total flux cleaned = 0.00131119 Jy ! Total flux subtracted in 200 components = 0.00131119 Jy ! Clean residual min=-0.002583 max=0.002446 Jy/beam ! Clean residual mean=0.000115 rms=0.000763 Jy/beam ! Combined flux in latest and established models = 0.296107 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 70 components and 0.296107 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135346Jy sigma=0.001121 ! Fit after self-cal, rms=0.135332Jy sigma=0.001121 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 = 0.000259795 Jy ! Component: 100 - total flux cleaned = 0.000296514 Jy ! Component: 150 - total flux cleaned = 0.000357544 Jy ! Component: 200 - total flux cleaned = 0.000384048 Jy ! Total flux subtracted in 200 components = 0.000384048 Jy ! Clean residual min=-0.002488 max=0.002394 Jy/beam ! Clean residual mean=0.000104 rms=0.000768 Jy/beam ! Combined flux in latest and established models = 0.296491 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 73 components and 0.296491 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135326Jy sigma=0.001121 ! Fit after self-cal, rms=0.135324Jy sigma=0.001121 ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9275 mas, bmaj=1.934 mas, bpa=-5.202 degrees ! Estimated noise=543.437 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9275 x 1.934 at -5.202 degrees (North through East) ! Clean map min=-0.0021531 max=0.23862 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 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.5545 mas, bmaj=1.549 mas, bpa=-6.517 degrees ! Estimated noise=926.472 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.168018 Jy ! Component: 100 - total flux cleaned = 0.226225 Jy ! Component: 150 - total flux cleaned = 0.250665 Jy ! Component: 200 - total flux cleaned = 0.264469 Jy ! Total flux subtracted in 200 components = 0.264469 Jy ! Clean residual min=-0.005111 max=0.007626 Jy/beam ! Clean residual mean=0.000076 rms=0.001478 Jy/beam ! Combined flux in latest and established models = 0.264469 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.264469 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9275 mas, bmaj=1.934 mas, bpa=-5.202 degrees ! Estimated noise=543.437 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 = 0.0152035 Jy ! Component: 100 - total flux cleaned = 0.0231808 Jy ! Component: 150 - total flux cleaned = 0.0275591 Jy ! Component: 200 - total flux cleaned = 0.0293743 Jy ! Total flux subtracted in 200 components = 0.0293743 Jy ! Clean residual min=-0.002693 max=0.002333 Jy/beam ! Clean residual mean=0.000111 rms=0.000729 Jy/beam ! Combined flux in latest and established models = 0.293843 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 49 components and 0.293843 Jy ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=2.821 mas, bmaj=3.073 mas, bpa=-21.18 degrees ! Estimated noise=636.916 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171893 Jy ! Component: 100 - total flux cleaned = 0.00224847 Jy ! Component: 150 - total flux cleaned = 0.00235852 Jy ! Component: 200 - total flux cleaned = 0.00242981 Jy ! Total flux subtracted in 200 components = 0.00242981 Jy ! Clean residual min=-0.002631 max=0.002411 Jy/beam ! Clean residual mean=0.000114 rms=0.000778 Jy/beam ! Combined flux in latest and established models = 0.296273 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 = 6.66913e-05 Jy ! Component: 100 - total flux cleaned = 0.000128549 Jy ! Component: 150 - total flux cleaned = 0.00018581 Jy ! Component: 200 - total flux cleaned = 0.00023848 Jy ! Total flux subtracted in 200 components = 0.00023848 Jy ! Clean residual min=-0.002567 max=0.002386 Jy/beam ! Clean residual mean=0.000105 rms=0.000775 Jy/beam ! Combined flux in latest and established models = 0.296511 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 71 components and 0.296511 Jy ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9275 mas, bmaj=1.934 mas, bpa=-5.202 degrees ! Estimated noise=543.437 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000381638 Jy ! Component: 100 - total flux cleaned = -0.000496883 Jy ! Component: 150 - total flux cleaned = -0.000497985 Jy ! Component: 200 - total flux cleaned = -0.000496802 Jy ! Total flux subtracted in 200 components = -0.000496802 Jy ! Clean residual min=-0.002375 max=0.002356 Jy/beam ! Clean residual mean=0.000077 rms=0.000671 Jy/beam ! Combined flux in latest and established models = 0.296014 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 82 components and 0.296014 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135329Jy sigma=0.001121 ! Fit after self-cal, rms=0.135316Jy sigma=0.001120 wmodel J1756+1535_X_2013_01_09_pus_map.mod ! Writing 82 model components to file: J1756+1535_X_2013_01_09_pus_map.mod wobs J1756+1535_X_2013_01_09_pus_uvs.fits ! Writing UV FITS file: J1756+1535_X_2013_01_09_pus_uvs.fits wwins J1756+1535_X_2013_01_09_pus_map.win ! wwins: Wrote 2 windows to J1756+1535_X_2013_01_09_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 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 7.4219e-05 Jy ! Component: 100 - total flux cleaned = -0.000118905 Jy ! Component: 150 - total flux cleaned = 2.12734e-05 Jy ! Component: 200 - total flux cleaned = 0.000187973 Jy ! Component: 250 - total flux cleaned = 0.000346336 Jy ! Component: 300 - total flux cleaned = 0.000497885 Jy ! Component: 350 - total flux cleaned = 0.000585509 Jy ! Component: 400 - total flux cleaned = 0.000784183 Jy ! Component: 450 - total flux cleaned = 0.000894695 Jy ! Component: 500 - total flux cleaned = 0.00105576 Jy ! Component: 550 - total flux cleaned = 0.00116024 Jy ! Component: 600 - total flux cleaned = 0.00123673 Jy ! Component: 650 - total flux cleaned = 0.00131187 Jy ! Component: 700 - total flux cleaned = 0.00140949 Jy ! Component: 750 - total flux cleaned = 0.00145707 Jy ! Component: 800 - total flux cleaned = 0.00147997 Jy ! Component: 850 - total flux cleaned = 0.00145719 Jy ! Component: 900 - total flux cleaned = 0.00143514 Jy ! Component: 950 - total flux cleaned = 0.00141337 Jy ! Component: 1000 - total flux cleaned = 0.00141357 Jy ! Total flux subtracted in 1024 components = 0.00141351 Jy ! Clean residual min=-0.001245 max=0.001084 Jy/beam ! Clean residual mean=0.000064 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.297428 Jy keep ! Adding 57 model components to the UV plane model. ! The established model now contains 139 components and 0.297428 Jy ![Exited script file: muppet] wmap "J1756+1535_X_2013_01_09_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9275 x 1.934 at -5.202 degrees (North through East) ! Clean map min=-0.0020636 max=0.23942 Jy/beam ! Writing clean map to FITS file: J1756+1535_X_2013_01_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.239415 invert ! Inverting map ! Your choice of large map pixels excluded 0.899% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000445844 device "J1756+1535_X_2013_01_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1756+1535_X_2013_01_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.558666 0.558666 1.11733 2.23466 4.46933 8.93866 17.8773 35.7546 71.5092 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.239 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9275 x 1.934 at -5.202 degrees (North through East) ! Clean map min=-0.0020636 max=0.23942 Jy/beam quit ! Quitting program ! Log file J1756+1535_X_2013_01_09_pus_uvs.log closed on Mon Nov 3 15:55:36 2014