! Started logfile: J1957-3845_X_1998_10_01_pus_uvs.log on Wed Feb 6 15:05:22 2008 obs J1957-3845_X_1998_10_01_pus_uva.fits ! Reading UV FITS file: J1957-3845_X_1998_10_01_pus_uva.fits ! AN table 1: 79 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0538905 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 8.40798e+09 4e+06 1 4e+06 ! 02 2 8.47798e+09 4e+06 1 4e+06 ! 03 3 8.79298e+09 4e+06 1 4e+06 ! 04 4 8.89798e+09 4e+06 1 4e+06 ! ! Polarization(s): RR ! ! Read 2053 lines of history. ! ! Reading 2316 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 J1957-3845_X_1998_10_01_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 1060 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1060 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1060 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1063 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.312020Jy sigma=0.012659 ! Fit after self-cal, rms=1.215081Jy sigma=0.011891 ! 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=0.6456 mas, bmaj=4.887 mas, bpa=-5.251 degrees ! Estimated noise=2657.04 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 = 1.59322 Jy ! Component: 100 - total flux cleaned = 1.98183 Jy ! Total flux subtracted in 100 components = 1.98183 Jy ! Clean residual min=-0.101499 max=0.167333 Jy/beam ! Clean residual mean=0.002500 rms=0.040101 Jy/beam ! Combined flux in latest and established models = 1.98183 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 1.98183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.460003Jy sigma=0.004397 ! Fit after self-cal, rms=0.460026Jy sigma=0.004397 ! 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=0.7446 mas, bmaj=6.011 mas, bpa=-6.016 degrees ! Estimated noise=1709.29 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 = 0.280132 Jy ! Component: 100 - total flux cleaned = 0.420828 Jy ! Component: 150 - total flux cleaned = 0.497072 Jy ! Component: 200 - total flux cleaned = 0.540048 Jy ! Total flux subtracted in 200 components = 0.540048 Jy ! Clean residual min=-0.039529 max=0.050585 Jy/beam ! Clean residual mean=-0.000031 rms=0.014670 Jy/beam ! Combined flux in latest and established models = 2.52187 Jy ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 55 components and 2.52187 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289910Jy sigma=0.002352 ! Fit after self-cal, rms=0.289733Jy sigma=0.002349 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GC 1.00* HN 1.00* ! KK 1.02 KP 0.96 LA 1.00 MK 0.99 ! NL 1.00* NY 1.00* ON 1.00* OV 1.01 ! PT 1.00 SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HN 1.00* ! KK 1.02 KP 0.99 LA 0.95 MK 1.00 ! NL 1.00* NY 1.00* ON 1.00* OV 1.01 ! PT 1.00 SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GC 1.00* HN 1.00* ! KK 1.02 KP 1.02 LA 0.96 MK 1.03 ! NL 1.00* NY 1.00* ON 1.00* OV 0.97 ! PT 1.00 SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HN 1.00* ! KK 1.00 KP 1.00 LA 0.98 MK 1.00 ! NL 1.00* NY 1.00* ON 1.00* OV 0.96 ! PT 0.96 SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Fit before self-cal, rms=0.289733Jy sigma=0.002349 ! Fit after self-cal, rms=0.278451Jy sigma=0.002251 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7463 mas, bmaj=6.058 mas, bpa=-6.111 degrees ! Estimated noise=1693.76 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 = 0.00213713 Jy ! Component: 100 - total flux cleaned = 0.00243981 Jy ! Component: 150 - total flux cleaned = 0.00270245 Jy ! Component: 200 - total flux cleaned = 0.003196 Jy ! Total flux subtracted in 200 components = 0.003196 Jy ! Clean residual min=-0.029178 max=0.030126 Jy/beam ! Clean residual mean=-0.000310 rms=0.012351 Jy/beam ! Combined flux in latest and established models = 2.52507 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 67 components and 2.52507 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277321Jy sigma=0.002248 ! Fit after self-cal, rms=0.277390Jy sigma=0.002248 ! 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=0.277390Jy sigma=0.002248 ! Fit after self-cal, rms=0.271773Jy sigma=0.002206 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7468 mas, bmaj=6.074 mas, bpa=-6.12 degrees ! Estimated noise=1689.19 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00724221 Jy ! Component: 100 - total flux cleaned = -0.00753645 Jy ! Component: 150 - total flux cleaned = -0.00753445 Jy ! Component: 200 - total flux cleaned = -0.00728955 Jy ! Total flux subtracted in 200 components = -0.00728955 Jy ! Clean residual min=-0.024354 max=0.025807 Jy/beam ! Clean residual mean=-0.000094 rms=0.009873 Jy/beam ! Combined flux in latest and established models = 2.51778 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 76 components and 2.51778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270823Jy sigma=0.002203 ! Fit after self-cal, rms=0.270886Jy sigma=0.002203 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 = 0.000292054 Jy ! Component: 100 - total flux cleaned = 0.000305195 Jy ! Component: 150 - total flux cleaned = 0.000515236 Jy ! Component: 200 - total flux cleaned = 0.000517781 Jy ! Total flux subtracted in 200 components = 0.000517781 Jy ! Clean residual min=-0.024237 max=0.025746 Jy/beam ! Clean residual mean=-0.000096 rms=0.009752 Jy/beam ! Combined flux in latest and established models = 2.5183 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 77 components and 2.5183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.270430Jy sigma=0.002201 ! Fit after self-cal, rms=0.270442Jy sigma=0.002201 ! 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=0.270442Jy sigma=0.002201 ! Fit after self-cal, rms=0.267500Jy sigma=0.002161 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7478 mas, bmaj=6.151 mas, bpa=-6.221 degrees ! Estimated noise=1695.36 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0138705 Jy ! Component: 100 - total flux cleaned = -0.0151869 Jy ! Component: 150 - total flux cleaned = -0.015529 Jy ! Component: 200 - total flux cleaned = -0.015822 Jy ! Total flux subtracted in 200 components = -0.015822 Jy ! Clean residual min=-0.014791 max=0.016303 Jy/beam ! Clean residual mean=0.000115 rms=0.005225 Jy/beam ! Combined flux in latest and established models = 2.50248 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 84 components and 2.50248 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266034Jy sigma=0.002149 ! Fit after self-cal, rms=0.266195Jy sigma=0.002149 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 = -0.000224067 Jy ! Component: 100 - total flux cleaned = -7.51021e-06 Jy ! Component: 150 - total flux cleaned = -0.000188143 Jy ! Component: 200 - total flux cleaned = -0.0001877 Jy ! Total flux subtracted in 200 components = -0.0001877 Jy ! Clean residual min=-0.014261 max=0.016234 Jy/beam ! Clean residual mean=0.000115 rms=0.005172 Jy/beam ! Combined flux in latest and established models = 2.50229 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 93 components and 2.50229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265897Jy sigma=0.002147 ! Fit after self-cal, rms=0.265888Jy sigma=0.002147 ! 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=0.265888Jy sigma=0.002147 ! Fit after self-cal, rms=0.266136Jy sigma=0.002143 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.273 mas, bmaj=11.56 mas, bpa=5.744 degrees ! Estimated noise=2323.06 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00402769 Jy ! Component: 100 - total flux cleaned = -0.00423389 Jy ! Component: 150 - total flux cleaned = -0.00442877 Jy ! Component: 200 - total flux cleaned = -0.0046125 Jy ! Total flux subtracted in 200 components = -0.0046125 Jy ! Clean residual min=-0.014481 max=0.013765 Jy/beam ! Clean residual mean=0.000233 rms=0.006193 Jy/beam ! Combined flux in latest and established models = 2.49768 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 95 components and 2.49768 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265929Jy sigma=0.002142 ! Fit after self-cal, rms=0.265927Jy sigma=0.002142 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 = -0.000510314 Jy ! Component: 100 - total flux cleaned = -0.000499248 Jy ! Component: 150 - total flux cleaned = -0.000578872 Jy ! Component: 200 - total flux cleaned = -0.000575502 Jy ! Total flux subtracted in 200 components = -0.000575502 Jy ! Clean residual min=-0.014458 max=0.014207 Jy/beam ! Clean residual mean=0.000240 rms=0.006258 Jy/beam ! Combined flux in latest and established models = 2.4971 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 97 components and 2.4971 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265898Jy sigma=0.002142 ! Fit after self-cal, rms=0.265854Jy sigma=0.002142 ! 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=0.7481 mas, bmaj=6.174 mas, bpa=-6.256 degrees ! Estimated noise=1694.59 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7481 x 6.174 at -6.256 degrees (North through East) ! Clean map min=-0.012696 max=2.1248 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=0.265854Jy sigma=0.002142 ! Fit after self-cal, rms=0.227375Jy sigma=0.001757 ! Inverting map and beam ! Estimated beam: bmin=0.7484 mas, bmaj=6.184 mas, bpa=-6.29 degrees ! Estimated noise=1690.9 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00751272 Jy ! Component: 100 - total flux cleaned = -0.00797393 Jy ! Component: 150 - total flux cleaned = -0.00816872 Jy ! Component: 200 - total flux cleaned = -0.00834283 Jy ! Total flux subtracted in 200 components = -0.00834283 Jy ! Clean residual min=-0.010426 max=0.012031 Jy/beam ! Clean residual mean=0.000061 rms=0.003526 Jy/beam ! Combined flux in latest and established models = 2.48876 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 101 components and 2.48876 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226715Jy sigma=0.001754 ! Fit after self-cal, rms=0.226690Jy sigma=0.001754 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000183296 Jy ! Component: 100 - total flux cleaned = -0.000176119 Jy ! Component: 150 - total flux cleaned = -0.000181019 Jy ! Component: 200 - total flux cleaned = -0.000293457 Jy ! Total flux subtracted in 200 components = -0.000293457 Jy ! Clean residual min=-0.010349 max=0.011971 Jy/beam ! Clean residual mean=0.000063 rms=0.003488 Jy/beam ! Combined flux in latest and established models = 2.48847 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 107 components and 2.48847 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226490Jy sigma=0.001753 ! Fit after self-cal, rms=0.226489Jy sigma=0.001753 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.226489Jy sigma=0.001753 ! Fit after self-cal, rms=0.226750Jy sigma=0.001751 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=0.6513 mas, bmaj=4.986 mas, bpa=-5.493 degrees ! Estimated noise=2635.91 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.5807 Jy ! Component: 100 - total flux cleaned = 1.9469 Jy ! Component: 150 - total flux cleaned = 2.12832 Jy ! Component: 200 - total flux cleaned = 2.24225 Jy ! Total flux subtracted in 200 components = 2.24225 Jy ! Clean residual min=-0.038501 max=0.062042 Jy/beam ! Clean residual mean=0.001098 rms=0.015712 Jy/beam ! Combined flux in latest and established models = 2.24225 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 14 model components to the UV plane model. ! The established model now contains 14 components and 2.24225 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7488 mas, bmaj=6.195 mas, bpa=-6.309 degrees ! Estimated noise=1690.75 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 = 0.110303 Jy ! Component: 100 - total flux cleaned = 0.168544 Jy ! Component: 150 - total flux cleaned = 0.201167 Jy ! Component: 200 - total flux cleaned = 0.219683 Jy ! Total flux subtracted in 200 components = 0.219683 Jy ! Clean residual min=-0.012301 max=0.017188 Jy/beam ! Clean residual mean=0.000229 rms=0.004229 Jy/beam ! Combined flux in latest and established models = 2.46193 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 63 components and 2.46193 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=3.278 mas, bmaj=11.54 mas, bpa=5.819 degrees ! Estimated noise=2312.36 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.015978 Jy ! Component: 100 - total flux cleaned = 0.022215 Jy ! Component: 150 - total flux cleaned = 0.0231876 Jy ! Component: 200 - total flux cleaned = 0.0235492 Jy ! Total flux subtracted in 200 components = 0.0235492 Jy ! Clean residual min=-0.009326 max=0.009842 Jy/beam ! Clean residual mean=0.000147 rms=0.003652 Jy/beam ! Combined flux in latest and established models = 2.48548 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 = 0.000438486 Jy ! Component: 100 - total flux cleaned = 0.000737735 Jy ! Component: 150 - total flux cleaned = 0.00101483 Jy ! Component: 200 - total flux cleaned = 0.001187 Jy ! Total flux subtracted in 200 components = 0.001187 Jy ! Clean residual min=-0.009202 max=0.009490 Jy/beam ! Clean residual mean=0.000131 rms=0.003533 Jy/beam ! Combined flux in latest and established models = 2.48666 Jy ! Adding 10 model components to the UV plane model. ! The established model now contains 69 components and 2.48666 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7488 mas, bmaj=6.195 mas, bpa=-6.309 degrees ! Estimated noise=1690.75 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00104125 Jy ! Component: 100 - total flux cleaned = -0.000848615 Jy ! Component: 150 - total flux cleaned = -0.000850602 Jy ! Component: 200 - total flux cleaned = -0.00100474 Jy ! Total flux subtracted in 200 components = -0.00100474 Jy ! Clean residual min=-0.010781 max=0.013164 Jy/beam ! Clean residual mean=0.000063 rms=0.003438 Jy/beam ! Combined flux in latest and established models = 2.48566 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 72 components and 2.48566 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227723Jy sigma=0.001757 ! Fit after self-cal, rms=0.227595Jy sigma=0.001756 wmodel J1957-3845_X_1998_10_01_pus_map.mod ! Writing 72 model components to file: J1957-3845_X_1998_10_01_pus_map.mod wobs J1957-3845_X_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J1957-3845_X_1998_10_01_pus_uvs.fits wwins J1957-3845_X_1998_10_01_pus_map.win ! wwins: Wrote 1 windows to J1957-3845_X_1998_10_01_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00565452 Jy ! Component: 100 - total flux cleaned = 0.00885698 Jy ! Component: 150 - total flux cleaned = 0.0119372 Jy ! Component: 200 - total flux cleaned = 0.0147661 Jy ! Component: 250 - total flux cleaned = 0.0171041 Jy ! Component: 300 - total flux cleaned = 0.0185728 Jy ! Component: 350 - total flux cleaned = 0.0199598 Jy ! Component: 400 - total flux cleaned = 0.020355 Jy ! Component: 450 - total flux cleaned = 0.0208563 Jy ! Component: 500 - total flux cleaned = 0.0212188 Jy ! Component: 550 - total flux cleaned = 0.0213354 Jy ! Component: 600 - total flux cleaned = 0.0210038 Jy ! Component: 650 - total flux cleaned = 0.0206797 Jy ! Component: 700 - total flux cleaned = 0.019947 Jy ! Component: 750 - total flux cleaned = 0.0193344 Jy ! Component: 800 - total flux cleaned = 0.0184417 Jy ! Component: 850 - total flux cleaned = 0.0178681 Jy ! Component: 900 - total flux cleaned = 0.0175888 Jy ! Component: 950 - total flux cleaned = 0.0172218 Jy ! Component: 1000 - total flux cleaned = 0.0165944 Jy ! Component: 1050 - total flux cleaned = 0.0162465 Jy ! Component: 1100 - total flux cleaned = 0.0157355 Jy ! Component: 1150 - total flux cleaned = 0.0154843 Jy ! Component: 1200 - total flux cleaned = 0.0150757 Jy ! Component: 1250 - total flux cleaned = 0.0149162 Jy ! Component: 1300 - total flux cleaned = 0.0147597 Jy ! Component: 1350 - total flux cleaned = 0.0147602 Jy ! Component: 1400 - total flux cleaned = 0.014685 Jy ! Component: 1450 - total flux cleaned = 0.014537 Jy ! Component: 1500 - total flux cleaned = 0.0144638 Jy ! Component: 1550 - total flux cleaned = 0.0143923 Jy ! Component: 1600 - total flux cleaned = 0.0141794 Jy ! Component: 1650 - total flux cleaned = 0.0139008 Jy ! Component: 1700 - total flux cleaned = 0.0136274 Jy ! Component: 1750 - total flux cleaned = 0.0134924 Jy ! Component: 1800 - total flux cleaned = 0.0133594 Jy ! Component: 1850 - total flux cleaned = 0.0133577 Jy ! Component: 1900 - total flux cleaned = 0.013293 Jy ! Component: 1950 - total flux cleaned = 0.0133559 Jy ! Component: 2000 - total flux cleaned = 0.0133557 Jy ! Total flux subtracted in 2048 components = 0.0134792 Jy ! Clean residual min=-0.003364 max=0.003362 Jy/beam ! Clean residual mean=0.000024 rms=0.001233 Jy/beam ! Combined flux in latest and established models = 2.49914 Jy keep ! Adding 135 model components to the UV plane model. ! The established model now contains 207 components and 2.49914 Jy ![Exited script file: muppet] wmap "J1957-3845_X_1998_10_01_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7488 x 6.195 at -6.309 degrees (North through East) ! Clean map min=-0.0064191 max=2.1312 Jy/beam ! Writing clean map to FITS file: J1957-3845_X_1998_10_01_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.1312 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00121747 device "J1957-3845_X_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_X_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.171378 0.171378 0.342755 0.68551 1.37102 2.74204 5.48408 10.9682 21.9363 43.8726 87.7453 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0036 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.131 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7488 x 6.195 at -6.309 degrees (North through East) ! Clean map min=-0.0064191 max=2.1312 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_X_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_X_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_X_1998_10_01_pus_uvs.log closed on Wed Feb 6 15:05:28 2008