! Started logfile: J1957-3845_S_2011_08_02_pus_uvs.log on Thu Apr 19 13:17:52 2012 obs J1957-3845_S_2011_08_02_pus_uva.fits ! Reading UV FITS file: J1957-3845_S_2011_08_02_pus_uva.fits ! AN table 1: 81 integrations on 78 of 78 possible baselines. ! Apparent sampling: 0.155745 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2651 lines of history. ! ! Reading 3936 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 = 0.5 print "taper_size =",taper_size ! taper_size = 20 ![@muppet J1957-3845_S_2011_08_02_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 0.500x0.500 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 633 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 633 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 633 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 633 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.629982Jy sigma=0.005825 ! Fit after self-cal, rms=0.612242Jy sigma=0.005645 ! 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=2.801 mas, bmaj=13.47 mas, bpa=-15.82 degrees ! Estimated noise=1910.54 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 = 1.16592 Jy ! Component: 100 - total flux cleaned = 1.42027 Jy ! Total flux subtracted in 100 components = 1.42027 Jy ! Clean residual min=-0.064675 max=0.111470 Jy/beam ! Clean residual mean=0.002242 rms=0.020452 Jy/beam ! Combined flux in latest and established models = 1.42027 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 1.42027 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.342277Jy sigma=0.003020 ! Fit after self-cal, rms=0.342280Jy sigma=0.003020 ! 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=4.129 mas, bmaj=18.43 mas, bpa=-15.15 degrees ! Estimated noise=1219.45 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 = 0.0940678 Jy ! Component: 100 - total flux cleaned = 0.134053 Jy ! Component: 150 - total flux cleaned = 0.142564 Jy ! Component: 200 - total flux cleaned = 0.145622 Jy ! Total flux subtracted in 200 components = 0.145622 Jy ! Clean residual min=-0.037625 max=0.059017 Jy/beam ! Clean residual mean=0.002694 rms=0.016008 Jy/beam ! Combined flux in latest and established models = 1.56589 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 24 components and 1.56589 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.315579Jy sigma=0.002816 ! Fit after self-cal, rms=0.315524Jy sigma=0.002815 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.10 FT 1.00* HH 1.00* ! HN 1.00* KP 0.96 LA 1.02 MK 0.88 ! NL 1.11 OV 0.94 PT 0.99 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 2. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.21 FT 1.00* HH 1.00* ! HN 1.00* KP 1.03 LA 0.93 MK 1.00 ! NL 1.23 OV 1.00 PT 1.00 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 3. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.20 FT 1.00* HH 1.00* ! HN 1.00* KP 1.00 LA 0.92 MK 0.98 ! NL 1.25 OV 0.98 PT 0.99 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 4. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.18 FT 1.00* HH 1.00* ! HN 1.00* KP 0.93 LA 0.74 MK 1.05 ! NL 1.14 OV 0.82 PT 0.90 TS 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.315524Jy sigma=0.002815 ! Fit after self-cal, rms=0.177558Jy sigma=0.001448 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.169 mas, bmaj=18.48 mas, bpa=-14.55 degrees ! Estimated noise=1246.06 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 = -0.00831305 Jy ! Component: 100 - total flux cleaned = -0.00828636 Jy ! Component: 150 - total flux cleaned = -0.00827452 Jy ! Component: 200 - total flux cleaned = -0.00785287 Jy ! Total flux subtracted in 200 components = -0.00785287 Jy ! Clean residual min=-0.015006 max=0.016120 Jy/beam ! Clean residual mean=-0.000848 rms=0.004422 Jy/beam ! Combined flux in latest and established models = 1.55804 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 46 components and 1.55804 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.173919Jy sigma=0.001425 ! Fit after self-cal, rms=0.173898Jy sigma=0.001423 ! 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=0.173898Jy sigma=0.001423 ! Fit after self-cal, rms=0.162775Jy sigma=0.001345 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.176 mas, bmaj=18.45 mas, bpa=-14.43 degrees ! Estimated noise=1240.7 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00494142 Jy ! Component: 100 - total flux cleaned = -0.00519791 Jy ! Component: 150 - total flux cleaned = -0.00541128 Jy ! Component: 200 - total flux cleaned = -0.00540701 Jy ! Total flux subtracted in 200 components = -0.00540701 Jy ! Clean residual min=-0.009114 max=0.012182 Jy/beam ! Clean residual mean=-0.000165 rms=0.002799 Jy/beam ! Combined flux in latest and established models = 1.55263 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 58 components and 1.55263 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161955Jy sigma=0.001340 ! Fit after self-cal, rms=0.161908Jy sigma=0.001339 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 = 0.000171377 Jy ! Component: 100 - total flux cleaned = 0.000167435 Jy ! Component: 150 - total flux cleaned = 0.00017502 Jy ! Component: 200 - total flux cleaned = 0.000167844 Jy ! Total flux subtracted in 200 components = 0.000167844 Jy ! Clean residual min=-0.009352 max=0.011389 Jy/beam ! Clean residual mean=-0.000165 rms=0.002753 Jy/beam ! Combined flux in latest and established models = 1.5528 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 60 components and 1.5528 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161523Jy sigma=0.001337 ! Fit after self-cal, rms=0.161475Jy sigma=0.001337 ! 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=0.161475Jy sigma=0.001337 ! Fit after self-cal, rms=0.158442Jy sigma=0.001290 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.178 mas, bmaj=18.43 mas, bpa=-14.43 degrees ! Estimated noise=1240.48 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000369027 Jy ! Component: 100 - total flux cleaned = -0.00026612 Jy ! Component: 150 - total flux cleaned = -0.000356447 Jy ! Component: 200 - total flux cleaned = -0.000444224 Jy ! Total flux subtracted in 200 components = -0.000444224 Jy ! Clean residual min=-0.007805 max=0.009049 Jy/beam ! Clean residual mean=0.000094 rms=0.002151 Jy/beam ! Combined flux in latest and established models = 1.55235 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 66 components and 1.55235 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158279Jy sigma=0.001289 ! Fit after self-cal, rms=0.158276Jy sigma=0.001288 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 = -0.000280647 Jy ! Component: 100 - total flux cleaned = -0.000206772 Jy ! Component: 150 - total flux cleaned = -0.000339428 Jy ! Component: 200 - total flux cleaned = -0.000464614 Jy ! Total flux subtracted in 200 components = -0.000464614 Jy ! Clean residual min=-0.007796 max=0.008941 Jy/beam ! Clean residual mean=0.000107 rms=0.002142 Jy/beam ! Combined flux in latest and established models = 1.55189 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 72 components and 1.55189 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158188Jy sigma=0.001288 ! Fit after self-cal, rms=0.158167Jy sigma=0.001288 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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=0.158167Jy sigma=0.001288 ! Fit after self-cal, rms=0.158293Jy sigma=0.001288 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=10.72 mas, bmaj=35.17 mas, bpa=-0.8296 degrees ! Estimated noise=1353.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00028938 Jy ! Component: 100 - total flux cleaned = 0.000252316 Jy ! Component: 150 - total flux cleaned = 0.000229801 Jy ! Component: 200 - total flux cleaned = 0.000208268 Jy ! Total flux subtracted in 200 components = 0.000208268 Jy ! Clean residual min=-0.006372 max=0.009581 Jy/beam ! Clean residual mean=0.000119 rms=0.002507 Jy/beam ! Combined flux in latest and established models = 1.5521 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 80 components and 1.5521 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158278Jy sigma=0.001288 ! Fit after self-cal, rms=0.158263Jy sigma=0.001287 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 = -1.45367e-05 Jy ! Component: 100 - total flux cleaned = -4.67646e-05 Jy ! Component: 150 - total flux cleaned = -6.82392e-05 Jy ! Component: 200 - total flux cleaned = -0.000107326 Jy ! Total flux subtracted in 200 components = -0.000107326 Jy ! Clean residual min=-0.006376 max=0.009606 Jy/beam ! Clean residual mean=0.000122 rms=0.002507 Jy/beam ! Combined flux in latest and established models = 1.55199 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 85 components and 1.55199 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158259Jy sigma=0.001287 ! Fit after self-cal, rms=0.158249Jy sigma=0.001287 ! 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=4.177 mas, bmaj=18.43 mas, bpa=-14.42 degrees ! Estimated noise=1240.87 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.177 x 18.43 at -14.42 degrees (North through East) ! Clean map min=-0.0074525 max=1.4599 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=0.158249Jy sigma=0.001287 ! Fit after self-cal, rms=0.140583Jy sigma=0.001106 ! Inverting map and beam ! Estimated beam: bmin=4.178 mas, bmaj=18.44 mas, bpa=-14.42 degrees ! Estimated noise=1240.88 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000210196 Jy ! Component: 100 - total flux cleaned = -0.000268692 Jy ! Component: 150 - total flux cleaned = -0.000375521 Jy ! Component: 200 - total flux cleaned = -0.000476698 Jy ! Total flux subtracted in 200 components = -0.000476698 Jy ! Clean residual min=-0.007585 max=0.008447 Jy/beam ! Clean residual mean=0.000084 rms=0.002101 Jy/beam ! Combined flux in latest and established models = 1.55151 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 90 components and 1.55151 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140531Jy sigma=0.001105 ! Fit after self-cal, rms=0.140525Jy sigma=0.001105 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000124925 Jy ! Component: 100 - total flux cleaned = -0.000172158 Jy ! Component: 150 - total flux cleaned = -0.000261766 Jy ! Component: 200 - total flux cleaned = -0.000305976 Jy ! Total flux subtracted in 200 components = -0.000305976 Jy ! Clean residual min=-0.007574 max=0.008442 Jy/beam ! Clean residual mean=0.000091 rms=0.002100 Jy/beam ! Combined flux in latest and established models = 1.55121 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 93 components and 1.55121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140491Jy sigma=0.001105 ! Fit after self-cal, rms=0.140487Jy sigma=0.001105 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140487Jy sigma=0.001105 ! Fit after self-cal, rms=0.140547Jy sigma=0.001105 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=2.843 mas, bmaj=13.45 mas, bpa=-15.15 degrees ! Estimated noise=1950.4 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.1554 Jy ! Component: 100 - total flux cleaned = 1.40746 Jy ! Component: 150 - total flux cleaned = 1.47581 Jy ! Component: 200 - total flux cleaned = 1.50503 Jy ! Total flux subtracted in 200 components = 1.50503 Jy ! Clean residual min=-0.017493 max=0.020164 Jy/beam ! Clean residual mean=0.000421 rms=0.004746 Jy/beam ! Combined flux in latest and established models = 1.50503 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 22 model components to the UV plane model. ! The established model now contains 22 components and 1.50503 Jy ! Inverting map and beam ! Estimated beam: bmin=4.178 mas, bmaj=18.44 mas, bpa=-14.42 degrees ! Estimated noise=1241.03 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) ! Added new window around map position (-5.5, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0242911 Jy ! Component: 100 - total flux cleaned = 0.0366077 Jy ! Component: 150 - total flux cleaned = 0.0419737 Jy ! Component: 200 - total flux cleaned = 0.0435719 Jy ! Total flux subtracted in 200 components = 0.0435719 Jy ! Clean residual min=-0.006254 max=0.007740 Jy/beam ! Clean residual mean=0.000094 rms=0.002024 Jy/beam ! Combined flux in latest and established models = 1.5486 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 49 components and 1.5486 Jy ! Inverting map uvw 0,2 ! Uniform weighting is not currently selected. ! Amplitude error weighting is not currently selected. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.856 mas, bmaj=17.76 mas, bpa=-15.3 degrees ! Estimated noise=1433.63 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00160789 Jy ! Component: 100 - total flux cleaned = 0.00273465 Jy ! Component: 150 - total flux cleaned = 0.00298763 Jy ! Component: 200 - total flux cleaned = 0.00367012 Jy ! Total flux subtracted in 200 components = 0.00367012 Jy ! Clean residual min=-0.006940 max=0.007840 Jy/beam ! Clean residual mean=-0.000028 rms=0.002043 Jy/beam ! Combined flux in latest and established models = 1.55227 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000642778 Jy ! Component: 100 - total flux cleaned = 0.000850664 Jy ! Component: 150 - total flux cleaned = 0.00123463 Jy ! Component: 200 - total flux cleaned = 0.00158374 Jy ! Total flux subtracted in 200 components = 0.00158374 Jy ! Clean residual min=-0.006512 max=0.006674 Jy/beam ! Clean residual mean=-0.000067 rms=0.001918 Jy/beam ! Combined flux in latest and established models = 1.55385 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 66 components and 1.55385 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140928Jy sigma=0.001104 ! Fit after self-cal, rms=0.140834Jy sigma=0.001103 wmodel J1957-3845_S_2011_08_02_pus_map.mod ! Writing 66 model components to file: J1957-3845_S_2011_08_02_pus_map.mod wobs J1957-3845_S_2011_08_02_pus_uvs.fits ! Writing UV FITS file: J1957-3845_S_2011_08_02_pus_uvs.fits wwins J1957-3845_S_2011_08_02_pus_map.win ! wwins: Wrote 2 windows to J1957-3845_S_2011_08_02_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 = 0.00179472 Jy ! Component: 100 - total flux cleaned = 0.00235171 Jy ! Component: 150 - total flux cleaned = 0.0030595 Jy ! Component: 200 - total flux cleaned = 0.00363115 Jy ! Component: 250 - total flux cleaned = 0.00381377 Jy ! Component: 300 - total flux cleaned = 0.00398994 Jy ! Component: 350 - total flux cleaned = 0.0041611 Jy ! Component: 400 - total flux cleaned = 0.00441047 Jy ! Component: 450 - total flux cleaned = 0.00449264 Jy ! Component: 500 - total flux cleaned = 0.00465073 Jy ! Component: 550 - total flux cleaned = 0.00487941 Jy ! Component: 600 - total flux cleaned = 0.00502844 Jy ! Component: 650 - total flux cleaned = 0.00531682 Jy ! Component: 700 - total flux cleaned = 0.00545736 Jy ! Component: 750 - total flux cleaned = 0.00552517 Jy ! Component: 800 - total flux cleaned = 0.00552417 Jy ! Component: 850 - total flux cleaned = 0.00539298 Jy ! Component: 900 - total flux cleaned = 0.0054564 Jy ! Component: 950 - total flux cleaned = 0.00539163 Jy ! Component: 1000 - total flux cleaned = 0.00520349 Jy ! Component: 1050 - total flux cleaned = 0.00520391 Jy ! Component: 1100 - total flux cleaned = 0.00508279 Jy ! Component: 1150 - total flux cleaned = 0.0050835 Jy ! Component: 1200 - total flux cleaned = 0.00514215 Jy ! Component: 1250 - total flux cleaned = 0.00514174 Jy ! Component: 1300 - total flux cleaned = 0.00502651 Jy ! Component: 1350 - total flux cleaned = 0.00513886 Jy ! Component: 1400 - total flux cleaned = 0.00513813 Jy ! Component: 1450 - total flux cleaned = 0.00513812 Jy ! Component: 1500 - total flux cleaned = 0.00513812 Jy ! Component: 1550 - total flux cleaned = 0.00519193 Jy ! Component: 1600 - total flux cleaned = 0.00519165 Jy ! Component: 1650 - total flux cleaned = 0.00524389 Jy ! Component: 1700 - total flux cleaned = 0.00524309 Jy ! Component: 1750 - total flux cleaned = 0.00529374 Jy ! Component: 1800 - total flux cleaned = 0.00534345 Jy ! Component: 1850 - total flux cleaned = 0.00534329 Jy ! Component: 1900 - total flux cleaned = 0.00539219 Jy ! Component: 1950 - total flux cleaned = 0.00539202 Jy ! Component: 2000 - total flux cleaned = 0.00543999 Jy ! Total flux subtracted in 2048 components = 0.005487 Jy ! Clean residual min=-0.002723 max=0.003220 Jy/beam ! Clean residual mean=-0.000149 rms=0.001020 Jy/beam ! Combined flux in latest and established models = 1.55934 Jy keep ! Adding 109 model components to the UV plane model. ! The established model now contains 175 components and 1.55934 Jy ![Exited script file: muppet] wmap "J1957-3845_S_2011_08_02_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.856 x 17.76 at -15.3 degrees (North through East) ! Clean map min=-0.005704 max=1.4732 Jy/beam ! Writing clean map to FITS file: J1957-3845_S_2011_08_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.4732 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00100869 device "J1957-3845_S_2011_08_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_S_2011_08_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.205408 0.205408 0.410815 0.821631 1.64326 3.28652 6.57305 13.1461 26.2922 52.5844 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.003 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.473 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.856 x 17.76 at -15.3 degrees (North through East) ! Clean map min=-0.005704 max=1.4732 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_S_2011_08_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_S_2011_08_02_pus_map.gif/vgif' mapplot cln