! Started logfile: J1700-2610_X_2008_04_02_pus_uvs.log on Sun Feb 21 20:51:48 2010 obs J1700-2610_X_2008_04_02_pus_uva.fits ! Reading UV FITS file: J1700-2610_X_2008_04_02_pus_uva.fits ! AN table 1: 513 integrations on 120 of 120 possible baselines. ! AN table 2: 143 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.115142 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1700-2610 ! ! 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 2284 lines of history. ! ! Reading 36256 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 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 5849 telescope corrections were flagged in sub-array 1. ! A total of 1421 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 6630 telescope corrections were flagged in sub-array 1. ! A total of 1421 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 5849 telescope corrections were flagged in sub-array 1. ! A total of 1421 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 5849 telescope corrections were flagged in sub-array 1. ! A total of 1421 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.691678Jy sigma=0.005046 ! Fit after self-cal, rms=0.235185Jy sigma=0.001669 ! 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 0.402% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=0.7252 mas, bmaj=1.164 mas, bpa=-1.476 degrees ! Estimated noise=1262.01 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 = 0.811406 Jy ! Component: 100 - total flux cleaned = 0.992631 Jy ! Total flux subtracted in 100 components = 0.992631 Jy ! Clean residual min=-0.031652 max=0.066918 Jy/beam ! Clean residual mean=0.000279 rms=0.008449 Jy/beam ! Combined flux in latest and established models = 0.992631 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.992631 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.236592Jy sigma=0.001698 ! Fit after self-cal, rms=0.236602Jy sigma=0.001698 ! Inverting map ! Your choice of large map pixels excluded 0.402% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Added new window around map position (-0.2, 1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.070094 Jy ! Component: 100 - total flux cleaned = 0.107458 Jy ! Total flux subtracted in 100 components = 0.107458 Jy ! Clean residual min=-0.025455 max=0.035192 Jy/beam ! Clean residual mean=0.000123 rms=0.005699 Jy/beam ! Combined flux in latest and established models = 1.10009 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 10 components and 1.10009 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213545Jy sigma=0.001427 ! Fit after self-cal, rms=0.213487Jy sigma=0.001426 ! Inverting map ! Your choice of large map pixels excluded 0.402% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Added new window around map position (1.4, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.034076 Jy ! Component: 100 - total flux cleaned = 0.0535377 Jy ! Total flux subtracted in 100 components = 0.0535377 Jy ! Clean residual min=-0.021628 max=0.026560 Jy/beam ! Clean residual mean=0.000047 rms=0.004787 Jy/beam ! Combined flux in latest and established models = 1.15363 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 16 components and 1.15363 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.208173Jy sigma=0.001368 ! Fit after self-cal, rms=0.207576Jy sigma=0.001362 ! Inverting map ! Your choice of large map pixels excluded 0.402% of the data. ! The x-axis pixel size should ideally be below 0.197 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 0.402% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=0.8905 mas, bmaj=1.623 mas, bpa=-7.257 degrees ! Estimated noise=504.219 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 = 0.017483 Jy ! Component: 100 - total flux cleaned = 0.0205471 Jy ! Component: 150 - total flux cleaned = 0.0227702 Jy ! Component: 200 - total flux cleaned = 0.0232866 Jy ! Total flux subtracted in 200 components = 0.0232866 Jy ! Clean residual min=-0.016298 max=0.018048 Jy/beam ! Clean residual mean=-0.000043 rms=0.004288 Jy/beam ! Combined flux in latest and established models = 1.17691 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 25 components and 1.17691 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206066Jy sigma=0.001342 ! Fit after self-cal, rms=0.205943Jy sigma=0.001341 ! Inverting map ! Your choice of large map pixels excluded 0.402% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 663 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HH 0.86 HN 1.00* ! KK 0.98 KP 1.00 LA 0.99 MK 0.98 ! NL 0.98 NY 1.00* ON 1.13 OV 0.98 ! PT 0.99 SC 0.99 WZ 1.05 ZC 1.21 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 HH 1.00* HN 1.05 ! KK 1.00* KP 1.05 LA 1.02 MK 1.00* ! NL 1.09 NY 1.00* ON 1.00* OV 1.00* ! PT 1.05 SC 0.92 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! A total of 366 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 HH 1.00* HN 1.00* ! KK 0.99 KP 0.96 LA 0.98 MK 0.98 ! NL 0.96 NY 1.00* ON 1.00* OV 0.96 ! PT 0.98 SC 1.01 WZ 1.00* ZC 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 HH 1.00* HN 1.06 ! KK 1.00* KP 0.98 LA 1.00 MK 1.00* ! NL 1.05 NY 1.00* ON 1.00* OV 1.00* ! PT 1.03 SC 0.94 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! A total of 663 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HH 0.88 HN 1.00* ! KK 1.06 KP 0.99 LA 1.02 MK 1.00 ! NL 0.98 NY 1.00* ON 1.17 OV 1.00 ! PT 0.98 SC 1.05 WZ 1.02 ZC 1.22 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 HH 1.00* HN 1.05 ! KK 1.00* KP 1.02 LA 1.04 MK 1.00* ! NL 1.06 NY 1.00* ON 1.00* OV 1.00* ! PT 1.05 SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! A total of 663 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HH 0.92 HN 1.00* ! KK 1.03 KP 0.99 LA 1.00 MK 1.03 ! NL 0.99 NY 1.00* ON 1.13 OV 0.99 ! PT 0.98 SC 1.07 WZ 1.03 ZC 1.25 ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 HH 1.00* HN 1.07 ! KK 1.00* KP 1.01 LA 1.03 MK 1.00* ! NL 1.08 NY 1.00* ON 1.00* OV 1.00* ! PT 1.04 SC 0.98 WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.205943Jy sigma=0.001341 ! Fit after self-cal, rms=0.190612Jy sigma=0.001255 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=0.8771 mas, bmaj=1.993 mas, bpa=-6.077 degrees ! Estimated noise=508.105 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 = -0.00375175 Jy ! Component: 100 - total flux cleaned = -0.00410632 Jy ! Component: 150 - total flux cleaned = -0.00437772 Jy ! Component: 200 - total flux cleaned = -0.00436906 Jy ! Total flux subtracted in 200 components = -0.00436906 Jy ! Clean residual min=-0.006624 max=0.004591 Jy/beam ! Clean residual mean=-0.000029 rms=0.001327 Jy/beam ! Combined flux in latest and established models = 1.17254 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 35 components and 1.17254 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190276Jy sigma=0.001253 ! Fit after self-cal, rms=0.190311Jy sigma=0.001252 ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 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=0.190311Jy sigma=0.001252 ! Fit after self-cal, rms=0.190286Jy sigma=0.001252 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=0.8766 mas, bmaj=1.99 mas, bpa=-6.072 degrees ! Estimated noise=507.983 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00212695 Jy ! Component: 100 - total flux cleaned = -0.00239648 Jy ! Component: 150 - total flux cleaned = -0.00238912 Jy ! Component: 200 - total flux cleaned = -0.00247848 Jy ! Total flux subtracted in 200 components = -0.00247848 Jy ! Clean residual min=-0.005735 max=0.004410 Jy/beam ! Clean residual mean=-0.000029 rms=0.001181 Jy/beam ! Combined flux in latest and established models = 1.17007 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 40 components and 1.17007 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190089Jy sigma=0.001251 ! Fit after self-cal, rms=0.190060Jy sigma=0.001250 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 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 = -0.000794152 Jy ! Component: 100 - total flux cleaned = -0.0007937 Jy ! Component: 150 - total flux cleaned = -0.00094958 Jy ! Component: 200 - total flux cleaned = -0.00101542 Jy ! Total flux subtracted in 200 components = -0.00101542 Jy ! Clean residual min=-0.005376 max=0.004237 Jy/beam ! Clean residual mean=-0.000024 rms=0.001110 Jy/beam ! Combined flux in latest and established models = 1.16905 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 48 components and 1.16905 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189985Jy sigma=0.001250 ! Fit after self-cal, rms=0.189975Jy sigma=0.001250 ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 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=0.189975Jy sigma=0.001250 ! Fit after self-cal, rms=0.190016Jy sigma=0.001249 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=0.8761 mas, bmaj=1.987 mas, bpa=-6.061 degrees ! Estimated noise=508.101 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00103674 Jy ! Component: 100 - total flux cleaned = -0.0011293 Jy ! Component: 150 - total flux cleaned = -0.00111995 Jy ! Component: 200 - total flux cleaned = -0.00119238 Jy ! Total flux subtracted in 200 components = -0.00119238 Jy ! Clean residual min=-0.004905 max=0.004054 Jy/beam ! Clean residual mean=-0.000024 rms=0.001031 Jy/beam ! Combined flux in latest and established models = 1.16786 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 53 components and 1.16786 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189915Jy sigma=0.001249 ! Fit after self-cal, rms=0.189904Jy sigma=0.001249 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 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 = -0.00055946 Jy ! Component: 100 - total flux cleaned = -0.000622862 Jy ! Component: 150 - total flux cleaned = -0.000681697 Jy ! Component: 200 - total flux cleaned = -0.000788117 Jy ! Total flux subtracted in 200 components = -0.000788117 Jy ! Clean residual min=-0.004748 max=0.003909 Jy/beam ! Clean residual mean=-0.000021 rms=0.000988 Jy/beam ! Combined flux in latest and established models = 1.16707 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 55 components and 1.16707 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189864Jy sigma=0.001248 ! Fit after self-cal, rms=0.189858Jy sigma=0.001248 ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 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=0.189858Jy sigma=0.001248 ! Fit after self-cal, rms=0.189940Jy sigma=0.001248 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=2.343 mas, bmaj=4.935 mas, bpa=0.5885 degrees ! Estimated noise=621.447 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000717612 Jy ! Component: 100 - total flux cleaned = -0.000865866 Jy ! Component: 150 - total flux cleaned = -0.000985122 Jy ! Component: 200 - total flux cleaned = -0.0011229 Jy ! Total flux subtracted in 200 components = -0.0011229 Jy ! Clean residual min=-0.003948 max=0.003714 Jy/beam ! Clean residual mean=-0.000036 rms=0.001106 Jy/beam ! Combined flux in latest and established models = 1.16595 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 64 components and 1.16595 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189897Jy sigma=0.001248 ! Fit after self-cal, rms=0.189889Jy sigma=0.001248 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 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 = -0.000256566 Jy ! Component: 100 - total flux cleaned = -0.000338559 Jy ! Component: 150 - total flux cleaned = -0.000406151 Jy ! Component: 200 - total flux cleaned = -0.000489997 Jy ! Total flux subtracted in 200 components = -0.000489997 Jy ! Clean residual min=-0.003715 max=0.003682 Jy/beam ! Clean residual mean=-0.000032 rms=0.001075 Jy/beam ! Combined flux in latest and established models = 1.16546 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 64 components and 1.16546 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189877Jy sigma=0.001248 ! Fit after self-cal, rms=0.189873Jy sigma=0.001248 ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 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 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=0.8756 mas, bmaj=1.985 mas, bpa=-6.048 degrees ! Estimated noise=508.265 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8756 x 1.985 at -6.048 degrees (North through East) ! Clean map min=-0.0039654 max=1.0428 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189873Jy sigma=0.001248 ! Fit after self-cal, rms=0.168977Jy sigma=0.001083 ! Inverting map and beam ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=0.8755 mas, bmaj=1.984 mas, bpa=-6.057 degrees ! Estimated noise=508.303 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0015266 Jy ! Component: 100 - total flux cleaned = -0.00178977 Jy ! Component: 150 - total flux cleaned = -0.00190506 Jy ! Component: 200 - total flux cleaned = -0.00206305 Jy ! Total flux subtracted in 200 components = -0.00206305 Jy ! Clean residual min=-0.004132 max=0.003554 Jy/beam ! Clean residual mean=0.000002 rms=0.000797 Jy/beam ! Combined flux in latest and established models = 1.16339 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 68 components and 1.16339 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168921Jy sigma=0.001083 ! Fit after self-cal, rms=0.168917Jy sigma=0.001083 ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000296474 Jy ! Component: 100 - total flux cleaned = -0.00039698 Jy ! Component: 150 - total flux cleaned = -0.00048972 Jy ! Component: 200 - total flux cleaned = -0.000573191 Jy ! Total flux subtracted in 200 components = -0.000573191 Jy ! Clean residual min=-0.003958 max=0.003399 Jy/beam ! Clean residual mean=0.000004 rms=0.000774 Jy/beam ! Combined flux in latest and established models = 1.16282 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 69 components and 1.16282 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168889Jy sigma=0.001083 ! Fit after self-cal, rms=0.168888Jy sigma=0.001083 ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168888Jy sigma=0.001083 ! Fit after self-cal, rms=0.168926Jy sigma=0.001083 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 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=0.7031 mas, bmaj=1.414 mas, bpa=-1.33 degrees ! Estimated noise=1184.9 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.809468 Jy ! Component: 100 - total flux cleaned = 0.990842 Jy ! Component: 150 - total flux cleaned = 1.06038 Jy ! Component: 200 - total flux cleaned = 1.09855 Jy ! Total flux subtracted in 200 components = 1.09855 Jy ! Clean residual min=-0.007261 max=0.019006 Jy/beam ! Clean residual mean=0.000111 rms=0.002574 Jy/beam ! Combined flux in latest and established models = 1.09855 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 11 model components to the UV plane model. ! The established model now contains 11 components and 1.09855 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=0.8755 mas, bmaj=1.984 mas, bpa=-6.082 degrees ! Estimated noise=508.131 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 = 0.0311394 Jy ! Component: 100 - total flux cleaned = 0.0464284 Jy ! Component: 150 - total flux cleaned = 0.0547228 Jy ! Component: 200 - total flux cleaned = 0.0593532 Jy ! Total flux subtracted in 200 components = 0.0593532 Jy ! Clean residual min=-0.003681 max=0.003741 Jy/beam ! Clean residual mean=0.000019 rms=0.000857 Jy/beam ! Combined flux in latest and established models = 1.15791 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 22 components and 1.15791 Jy ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Added new window around map position (-0.8, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00235902 Jy ! Component: 100 - total flux cleaned = 0.00280393 Jy ! Component: 150 - total flux cleaned = 0.00323222 Jy ! Component: 200 - total flux cleaned = 0.0033736 Jy ! Total flux subtracted in 200 components = 0.0033736 Jy ! Clean residual min=-0.003070 max=0.002961 Jy/beam ! Clean residual mean=0.000004 rms=0.000750 Jy/beam ! Combined flux in latest and established models = 1.16128 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 38 components and 1.16128 Jy ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 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 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=2.346 mas, bmaj=4.947 mas, bpa=0.6271 degrees ! Estimated noise=620.847 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.80336e-05 Jy ! Component: 100 - total flux cleaned = 3.82155e-05 Jy ! Component: 150 - total flux cleaned = 5.30029e-06 Jy ! Component: 200 - total flux cleaned = -2.41127e-05 Jy ! Total flux subtracted in 200 components = -2.41127e-05 Jy ! Clean residual min=-0.002831 max=0.003215 Jy/beam ! Clean residual mean=0.000007 rms=0.000894 Jy/beam ! Combined flux in latest and established models = 1.16126 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 = -2.73413e-05 Jy ! Component: 100 - total flux cleaned = -2.73589e-05 Jy ! Component: 150 - total flux cleaned = -2.78255e-05 Jy ! Component: 200 - total flux cleaned = -5.06345e-05 Jy ! Total flux subtracted in 200 components = -5.06345e-05 Jy ! Clean residual min=-0.002790 max=0.003199 Jy/beam ! Clean residual mean=0.000008 rms=0.000886 Jy/beam ! Combined flux in latest and established models = 1.16121 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 50 components and 1.16121 Jy ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! Estimated beam: bmin=0.8755 mas, bmaj=1.984 mas, bpa=-6.082 degrees ! Estimated noise=508.131 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000118044 Jy ! Component: 100 - total flux cleaned = -5.71423e-05 Jy ! Component: 150 - total flux cleaned = -3.12009e-06 Jy ! Component: 200 - total flux cleaned = -2.39695e-06 Jy ! Total flux subtracted in 200 components = -2.39695e-06 Jy ! Clean residual min=-0.002915 max=0.002914 Jy/beam ! Clean residual mean=0.000004 rms=0.000722 Jy/beam ! Combined flux in latest and established models = 1.1612 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 60 components and 1.1612 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168907Jy sigma=0.001082 ! Fit after self-cal, rms=0.168871Jy sigma=0.001082 wmodel J1700-2610_X_2008_04_02_pus_map.mod ! Writing 60 model components to file: J1700-2610_X_2008_04_02_pus_map.mod wobs J1700-2610_X_2008_04_02_pus_uvs.fits ! Writing UV FITS file: J1700-2610_X_2008_04_02_pus_uvs.fits wwins J1700-2610_X_2008_04_02_pus_map.win ! wwins: Wrote 4 windows to J1700-2610_X_2008_04_02_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000231374 Jy ! Component: 100 - total flux cleaned = -0.000962597 Jy ! Component: 150 - total flux cleaned = -0.00150051 Jy ! Component: 200 - total flux cleaned = -0.0020057 Jy ! Component: 250 - total flux cleaned = -0.00216724 Jy ! Component: 300 - total flux cleaned = -0.00201522 Jy ! Component: 350 - total flux cleaned = -0.00179454 Jy ! Component: 400 - total flux cleaned = -0.00154624 Jy ! Component: 450 - total flux cleaned = -0.00134031 Jy ! Component: 500 - total flux cleaned = -0.00110731 Jy ! Component: 550 - total flux cleaned = -0.000945372 Jy ! Component: 600 - total flux cleaned = -0.000819268 Jy ! Component: 650 - total flux cleaned = -0.000819588 Jy ! Component: 700 - total flux cleaned = -0.000758931 Jy ! Component: 750 - total flux cleaned = -0.000639902 Jy ! Component: 800 - total flux cleaned = -0.000493959 Jy ! Component: 850 - total flux cleaned = -0.000350656 Jy ! Component: 900 - total flux cleaned = -0.000209789 Jy ! Component: 950 - total flux cleaned = -0.000126434 Jy ! Component: 1000 - total flux cleaned = 3.71243e-05 Jy ! Component: 1050 - total flux cleaned = 0.000118067 Jy ! Component: 1100 - total flux cleaned = 0.000354705 Jy ! Component: 1150 - total flux cleaned = 0.000406474 Jy ! Component: 1200 - total flux cleaned = 0.000559164 Jy ! Component: 1250 - total flux cleaned = 0.0007095 Jy ! Component: 1300 - total flux cleaned = 0.000832554 Jy ! Component: 1350 - total flux cleaned = 0.000856701 Jy ! Component: 1400 - total flux cleaned = 0.00100118 Jy ! Component: 1450 - total flux cleaned = 0.00102495 Jy ! Component: 1500 - total flux cleaned = 0.00104838 Jy ! Component: 1550 - total flux cleaned = 0.00109498 Jy ! Component: 1600 - total flux cleaned = 0.00120888 Jy ! Component: 1650 - total flux cleaned = 0.0012089 Jy ! Component: 1700 - total flux cleaned = 0.00120976 Jy ! Component: 1750 - total flux cleaned = 0.00136407 Jy ! Component: 1800 - total flux cleaned = 0.00140769 Jy ! Component: 1850 - total flux cleaned = 0.00149328 Jy ! Component: 1900 - total flux cleaned = 0.00149321 Jy ! Component: 1950 - total flux cleaned = 0.00151411 Jy ! Component: 2000 - total flux cleaned = 0.00155549 Jy ! Total flux subtracted in 2048 components = 0.00159657 Jy ! Clean residual min=-0.001075 max=0.001076 Jy/beam ! Clean residual mean=-0.000006 rms=0.000384 Jy/beam ! Combined flux in latest and established models = 1.1628 Jy keep ! Adding 153 model components to the UV plane model. ! The established model now contains 213 components and 1.1628 Jy wmap "J1700-2610_X_2008_04_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8755 x 1.984 at -6.082 degrees (North through East) ! Clean map min=-0.0020725 max=1.049 Jy/beam ! Writing clean map to FITS file: J1700-2610_X_2008_04_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.04904 invert ! Inverting map ! Your choice of large map pixels excluded 0.434% of the data. ! The x-axis pixel size should ideally be below 0.197 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000382258 device "J1700-2610_X_2008_04_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1700-2610_X_2008_04_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.109316 0.109316 0.218633 0.437266 0.874531 1.74906 3.49813 6.99625 13.9925 27.985 55.97 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.049 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8755 x 1.984 at -6.082 degrees (North through East) ! Clean map min=-0.0020725 max=1.049 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1700-2610_X_2008_04_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1700-2610_X_2008_04_02_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1700-2610_X_2008_04_02_pus_uvs.log closed on Sun Feb 21 20:51:59 2010