! Started logfile: J1957-3845_X_2008_07_09_pus_uvs.log on Sun Oct 10 20:19:41 2010 obs J1957-3845_X_2008_07_09_pus_uva.fits ! Reading UV FITS file: J1957-3845_X_2008_07_09_pus_uva.fits ! AN table 1: 11 integrations on 105 of 105 possible baselines. ! AN table 2: 34 integrations on 105 of 105 possible baselines. ! Apparent sampling: 0.0391534 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! ! 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 1142 lines of history. ! ! Reading 740 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 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 165 telescope corrections were flagged in sub-array 1. ! A total of 444 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 165 telescope corrections were flagged in sub-array 1. ! A total of 444 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 165 telescope corrections were flagged in sub-array 1. ! A total of 444 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 165 telescope corrections were flagged in sub-array 1. ! A total of 444 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.940402Jy sigma=0.006913 ! Fit after self-cal, rms=0.783796Jy sigma=0.006267 ! 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 ! Estimated beam: bmin=0.6532 mas, bmaj=13.5 mas, bpa=-11.74 degrees ! Estimated noise=5252.97 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=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.2481 Jy ! Component: 100 - total flux cleaned = 1.63517 Jy ! Total flux subtracted in 100 components = 1.63517 Jy ! Clean residual min=-0.085480 max=0.184834 Jy/beam ! Clean residual mean=0.004930 rms=0.065331 Jy/beam ! Combined flux in latest and established models = 1.63517 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 1.63517 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354984Jy sigma=0.002767 ! Fit after self-cal, rms=0.354586Jy sigma=0.002764 ! Inverting map 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 ! Estimated beam: bmin=0.7147 mas, bmaj=14.7 mas, bpa=-12.54 degrees ! Estimated noise=3754.08 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 = 0.235024 Jy ! Component: 100 - total flux cleaned = 0.34758 Jy ! Component: 150 - total flux cleaned = 0.397082 Jy ! Component: 200 - total flux cleaned = 0.403809 Jy ! Total flux subtracted in 200 components = 0.403809 Jy ! Clean residual min=-0.015757 max=0.015617 Jy/beam ! Clean residual mean=-0.001667 rms=0.008024 Jy/beam ! Combined flux in latest and established models = 2.03898 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 36 components and 2.03898 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172923Jy sigma=0.001270 ! Fit after self-cal, rms=0.172666Jy sigma=0.001268 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00 HH 1.00* HN 1.00* ! KK 0.99 KP 1.01 LA 0.97 MK 0.99 ! NL 1.00* NY 1.00* ON 1.00* PT 0.99 ! SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 HH 1.00* HN 1.00* ! KK 1.00 KP 0.95 LA 0.97 MK 0.96 ! NL 1.00* NY 1.00* ON 1.00* PT 1.02 ! SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 HH 1.00* HN 1.00* ! KK 0.97 KP 1.01 LA 1.02 MK 0.98 ! NL 1.00* NY 1.00* ON 1.00* PT 1.02 ! SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HH 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MK 0.00* ! NL 0.00* NY 0.00* ON 0.00* PT 0.00* ! SC 0.00* WZ 0.00* ZC 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 HH 1.00* HN 1.00* ! KK 0.97 KP 0.99 LA 1.00 MK 1.00 ! NL 1.00* NY 1.00* ON 1.00* PT 1.05 ! SC 1.00* WZ 1.00* ZC 1.00* ! ! ! Fit before self-cal, rms=0.172666Jy sigma=0.001268 ! Fit after self-cal, rms=0.159248Jy sigma=0.001177 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7128 mas, bmaj=14.7 mas, bpa=-12.54 degrees ! Estimated noise=3704.71 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 = 0.0128509 Jy ! Component: 100 - total flux cleaned = 0.00819781 Jy ! Component: 150 - total flux cleaned = 0.00493104 Jy ! Component: 200 - total flux cleaned = 0.00308808 Jy ! Total flux subtracted in 200 components = 0.00308808 Jy ! Clean residual min=-0.002888 max=0.002919 Jy/beam ! Clean residual mean=-0.000455 rms=0.001358 Jy/beam ! Combined flux in latest and established models = 2.04207 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 68 components and 2.04207 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156908Jy sigma=0.001163 ! Fit after self-cal, rms=0.156895Jy sigma=0.001163 ! Inverting map 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=0.156895Jy sigma=0.001163 ! Fit after self-cal, rms=0.156269Jy sigma=0.001160 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7118 mas, bmaj=14.71 mas, bpa=-12.54 degrees ! Estimated noise=3702.84 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00718154 Jy ! Component: 100 - total flux cleaned = 0.0068358 Jy ! Component: 150 - total flux cleaned = 0.00565012 Jy ! Component: 200 - total flux cleaned = 0.00482837 Jy ! Total flux subtracted in 200 components = 0.00482837 Jy ! Clean residual min=-0.002710 max=0.002686 Jy/beam ! Clean residual mean=-0.000244 rms=0.001137 Jy/beam ! Combined flux in latest and established models = 2.0469 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 92 components and 2.0469 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155781Jy sigma=0.001157 ! Fit after self-cal, rms=0.155771Jy sigma=0.001156 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -0.00277029 Jy ! Component: 100 - total flux cleaned = -0.00502163 Jy ! Component: 150 - total flux cleaned = -0.00712138 Jy ! Component: 200 - total flux cleaned = -0.00800161 Jy ! Total flux subtracted in 200 components = -0.00800161 Jy ! Clean residual min=-0.001410 max=0.001382 Jy/beam ! Clean residual mean=-0.000126 rms=0.000674 Jy/beam ! Combined flux in latest and established models = 2.0389 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 120 components and 2.0389 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155575Jy sigma=0.001155 ! Fit after self-cal, rms=0.155577Jy sigma=0.001155 ! Inverting map 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=0.155577Jy sigma=0.001155 ! Fit after self-cal, rms=0.155498Jy sigma=0.001154 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7114 mas, bmaj=14.71 mas, bpa=-12.54 degrees ! Estimated noise=3702.69 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00272705 Jy ! Component: 100 - total flux cleaned = 0.0025566 Jy ! Component: 150 - total flux cleaned = 0.00264841 Jy ! Component: 200 - total flux cleaned = 0.00256356 Jy ! Total flux subtracted in 200 components = 0.00256356 Jy ! Clean residual min=-0.001427 max=0.001428 Jy/beam ! Clean residual mean=-0.000094 rms=0.000705 Jy/beam ! Combined flux in latest and established models = 2.04146 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 141 components and 2.04146 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155362Jy sigma=0.001153 ! Fit after self-cal, rms=0.155364Jy sigma=0.001153 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -0.000576842 Jy ! Component: 100 - total flux cleaned = -0.000353163 Jy ! Component: 150 - total flux cleaned = -0.000284998 Jy ! Component: 200 - total flux cleaned = -2.16449e-05 Jy ! Total flux subtracted in 200 components = -2.16449e-05 Jy ! Clean residual min=-0.001063 max=0.001066 Jy/beam ! Clean residual mean=-0.000093 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 2.04144 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 163 components and 2.04144 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155287Jy sigma=0.001153 ! Fit after self-cal, rms=0.155288Jy sigma=0.001153 ! Inverting map 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=0.155288Jy sigma=0.001153 ! Fit after self-cal, rms=0.155336Jy sigma=0.001153 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.044 mas, bmaj=14.62 mas, bpa=-2.804 degrees ! Estimated noise=5175.95 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00113692 Jy ! Component: 100 - total flux cleaned = -0.00113752 Jy ! Component: 150 - total flux cleaned = -0.00105595 Jy ! Component: 200 - total flux cleaned = -0.000968041 Jy ! Total flux subtracted in 200 components = -0.000968041 Jy ! Clean residual min=-0.001413 max=0.001411 Jy/beam ! Clean residual mean=-0.000134 rms=0.000579 Jy/beam ! Combined flux in latest and established models = 2.04047 Jy selfcal ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 203 components and 2.04047 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155316Jy sigma=0.001152 ! Fit after self-cal, rms=0.155312Jy sigma=0.001152 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = -0.000338385 Jy ! Component: 100 - total flux cleaned = -0.000694479 Jy ! Component: 150 - total flux cleaned = -0.000999183 Jy ! Component: 200 - total flux cleaned = -0.00116201 Jy ! Total flux subtracted in 200 components = -0.00116201 Jy ! Clean residual min=-0.000315 max=0.000318 Jy/beam ! Clean residual mean=-0.000064 rms=0.000152 Jy/beam ! Combined flux in latest and established models = 2.03931 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 247 components and 2.03931 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155301Jy sigma=0.001152 ! Fit after self-cal, rms=0.155300Jy sigma=0.001152 ! Inverting map 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 ! Estimated beam: bmin=0.7112 mas, bmaj=14.71 mas, bpa=-12.54 degrees ! Estimated noise=3703.34 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7112 x 14.71 at -12.54 degrees (North through East) ! Clean map min=-0.0098613 max=1.6549 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=0.155300Jy sigma=0.001152 ! Fit after self-cal, rms=0.133606Jy sigma=0.000973 ! Inverting map and beam ! Estimated beam: bmin=0.7111 mas, bmaj=14.71 mas, bpa=-12.53 degrees ! Estimated noise=3703.48 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00144256 Jy ! Component: 100 - total flux cleaned = -0.0019578 Jy ! Component: 150 - total flux cleaned = -0.00195792 Jy ! Component: 200 - total flux cleaned = -0.0023719 Jy ! Total flux subtracted in 200 components = -0.0023719 Jy ! Clean residual min=-0.000968 max=0.000962 Jy/beam ! Clean residual mean=-0.000116 rms=0.000441 Jy/beam ! Combined flux in latest and established models = 2.03694 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 272 components and 2.03694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.133519Jy sigma=0.000972 ! Fit after self-cal, rms=0.133518Jy sigma=0.000972 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000746522 Jy ! Component: 100 - total flux cleaned = -0.00146639 Jy ! Component: 150 - total flux cleaned = -0.00195373 Jy ! Component: 200 - total flux cleaned = -0.00246569 Jy ! Total flux subtracted in 200 components = -0.00246569 Jy ! Clean residual min=-0.000755 max=0.000748 Jy/beam ! Clean residual mean=-0.000081 rms=0.000343 Jy/beam ! Combined flux in latest and established models = 2.03447 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 289 components and 2.03447 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.133478Jy sigma=0.000972 ! Fit after self-cal, rms=0.133478Jy sigma=0.000972 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.133478Jy sigma=0.000972 ! Fit after self-cal, rms=0.133523Jy sigma=0.000972 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 ! Estimated beam: bmin=0.6494 mas, bmaj=13.53 mas, bpa=-11.74 degrees ! Estimated noise=5149.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.22339 Jy ! Component: 100 - total flux cleaned = 1.61633 Jy ! Component: 150 - total flux cleaned = 1.82777 Jy ! Component: 200 - total flux cleaned = 1.94156 Jy ! Total flux subtracted in 200 components = 1.94156 Jy ! Clean residual min=-0.031467 max=0.054537 Jy/beam ! Clean residual mean=0.001228 rms=0.019981 Jy/beam ! Combined flux in latest and established models = 1.94156 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 10 model components to the UV plane model. ! The established model now contains 10 components and 1.94156 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7111 mas, bmaj=14.71 mas, bpa=-12.54 degrees ! Estimated noise=3704.08 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 = 0.073863 Jy ! Component: 100 - total flux cleaned = 0.105569 Jy ! Component: 150 - total flux cleaned = 0.112558 Jy ! Component: 200 - total flux cleaned = 0.11088 Jy ! Total flux subtracted in 200 components = 0.11088 Jy ! Clean residual min=-0.006788 max=0.006790 Jy/beam ! Clean residual mean=0.000068 rms=0.003644 Jy/beam ! Combined flux in latest and established models = 2.05244 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 48 components and 2.05244 Jy ! Inverting map 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 ! Estimated beam: bmin=4.042 mas, bmaj=14.62 mas, bpa=-2.813 degrees ! Estimated noise=5179.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00324727 Jy ! Component: 100 - total flux cleaned = -0.00196233 Jy ! Component: 150 - total flux cleaned = -0.000724188 Jy ! Component: 200 - total flux cleaned = 9.54734e-05 Jy ! Total flux subtracted in 200 components = 9.54734e-05 Jy ! Clean residual min=-0.006833 max=0.006956 Jy/beam ! Clean residual mean=-0.000852 rms=0.002188 Jy/beam ! Combined flux in latest and established models = 2.05253 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 = 0.000808594 Jy ! Component: 100 - total flux cleaned = -0.00220694 Jy ! Component: 150 - total flux cleaned = -0.00461183 Jy ! Component: 200 - total flux cleaned = -0.0051383 Jy ! Total flux subtracted in 200 components = -0.0051383 Jy ! Clean residual min=-0.009424 max=0.009408 Jy/beam ! Clean residual mean=-0.001325 rms=0.003853 Jy/beam ! Combined flux in latest and established models = 2.0474 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 83 components and 2.0474 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7111 mas, bmaj=14.71 mas, bpa=-12.54 degrees ! Estimated noise=3704.08 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00130934 Jy ! Component: 100 - total flux cleaned = 0.000779023 Jy ! Component: 150 - total flux cleaned = 0.000250366 Jy ! Component: 200 - total flux cleaned = 0.000239019 Jy ! Total flux subtracted in 200 components = 0.000239019 Jy ! Clean residual min=-0.008547 max=0.008537 Jy/beam ! Clean residual mean=0.000029 rms=0.002416 Jy/beam ! Combined flux in latest and established models = 2.04764 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 88 components and 2.04764 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.134248Jy sigma=0.000977 ! Fit after self-cal, rms=0.134184Jy sigma=0.000977 wmodel J1957-3845_X_2008_07_09_pus_map.mod ! Writing 88 model components to file: J1957-3845_X_2008_07_09_pus_map.mod wobs J1957-3845_X_2008_07_09_pus_uvs.fits ! Writing UV FITS file: J1957-3845_X_2008_07_09_pus_uvs.fits wwins J1957-3845_X_2008_07_09_pus_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ! wmap "J1957-3845_X_2008_07_09_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7111 x 14.71 at -12.54 degrees (North through East) ! Clean map min=-0.013439 max=1.6422 Jy/beam ! Writing clean map to FITS file: J1957-3845_X_2008_07_09_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.64216 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00215028 device "J1957-3845_X_2008_07_09_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_X_2008_07_09_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.392826 0.392826 0.785652 1.5713 3.14261 6.28521 12.5704 25.1409 50.2817 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0064 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.642 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7111 x 14.71 at -12.54 degrees (North through East) ! Clean map min=-0.013439 max=1.6422 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_X_2008_07_09_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_X_2008_07_09_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_X_2008_07_09_pus_uvs.log closed on Sun Oct 10 20:19:42 2010