! Started logfile: J2246-1206_S_1998_10_01_pus_uvs.log on Thu Feb 7 17:31:46 2008 obs J2246-1206_S_1998_10_01_pus_uva.fits ! Reading UV FITS file: J2246-1206_S_1998_10_01_pus_uva.fits ! AN table 1: 202 integrations on 136 of 136 possible baselines. ! AN table 2: 69 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.142039 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2246-1206 ! ! 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 2.22298e+09 4e+06 1 4e+06 ! 02 2 2.24298e+09 4e+06 1 4e+06 ! 03 3 2.33298e+09 4e+06 1 4e+06 ! 04 4 2.36298e+09 4e+06 1 4e+06 ! ! Polarization(s): RR ! ! Read 1537 lines of history. ! ! Reading 20940 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 J2246-1206_S_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 0.500x0.500 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 2252 telescope corrections were flagged in sub-array 1. ! A total of 1073 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2252 telescope corrections were flagged in sub-array 1. ! A total of 1073 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2252 telescope corrections were flagged in sub-array 1. ! A total of 1073 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2252 telescope corrections were flagged in sub-array 1. ! A total of 1073 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.707171Jy sigma=0.005483 ! Fit after self-cal, rms=0.632609Jy sigma=0.004937 ! 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=2.374 mas, bmaj=7.045 mas, bpa=-7.208 degrees ! Estimated noise=1003.8 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 = 0.977199 Jy ! Component: 100 - total flux cleaned = 1.30071 Jy ! Total flux subtracted in 100 components = 1.30071 Jy ! Clean residual min=-0.039045 max=0.141402 Jy/beam ! Clean residual mean=0.001453 rms=0.014551 Jy/beam ! Combined flux in latest and established models = 1.30071 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.30071 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.474043Jy sigma=0.003556 ! Fit after self-cal, rms=0.472712Jy sigma=0.003545 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.148322 Jy ! Component: 100 - total flux cleaned = 0.228397 Jy ! Total flux subtracted in 100 components = 0.228397 Jy ! Clean residual min=-0.028832 max=0.129173 Jy/beam ! Clean residual mean=0.000879 rms=0.009912 Jy/beam ! Combined flux in latest and established models = 1.52911 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 23 components and 1.52911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.408226Jy sigma=0.002931 ! Fit after self-cal, rms=0.407548Jy sigma=0.002926 ! Inverting map ! Added new window around map position (5.5, 7.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.110441 Jy ! Component: 100 - total flux cleaned = 0.170703 Jy ! Total flux subtracted in 100 components = 0.170703 Jy ! Clean residual min=-0.018302 max=0.033026 Jy/beam ! Clean residual mean=0.000327 rms=0.005851 Jy/beam ! Combined flux in latest and established models = 1.69981 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 35 components and 1.69981 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.368876Jy sigma=0.002555 ! Fit after self-cal, rms=0.367009Jy sigma=0.002540 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0455377 Jy ! Component: 100 - total flux cleaned = 0.078349 Jy ! Total flux subtracted in 100 components = 0.078349 Jy ! Clean residual min=-0.015685 max=0.023878 Jy/beam ! Clean residual mean=0.000089 rms=0.004561 Jy/beam ! Combined flux in latest and established models = 1.77816 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 47 components and 1.77816 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.358709Jy sigma=0.002457 ! Fit after self-cal, rms=0.358541Jy sigma=0.002456 ! 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=2.93 mas, bmaj=8.152 mas, bpa=-6.776 degrees ! Estimated noise=630.375 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 = 0.0368064 Jy ! Component: 100 - total flux cleaned = 0.0603075 Jy ! Component: 150 - total flux cleaned = 0.0759158 Jy ! Component: 200 - total flux cleaned = 0.0863442 Jy ! Total flux subtracted in 200 components = 0.0863442 Jy ! Clean residual min=-0.012139 max=0.019470 Jy/beam ! Clean residual mean=-0.000540 rms=0.003694 Jy/beam ! Combined flux in latest and established models = 1.8645 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 72 components and 1.8645 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354464Jy sigma=0.002415 ! Fit after self-cal, rms=0.354347Jy sigma=0.002414 ! Inverting map ! Added new window around map position (11.5, 7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0182277 Jy ! Component: 100 - total flux cleaned = 0.0199281 Jy ! Component: 150 - total flux cleaned = 0.0206077 Jy ! Component: 200 - total flux cleaned = 0.0211823 Jy ! Total flux subtracted in 200 components = 0.0211823 Jy ! Clean residual min=-0.011884 max=0.010850 Jy/beam ! Clean residual mean=-0.000784 rms=0.003341 Jy/beam ! Combined flux in latest and established models = 1.88568 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 93 components and 1.88568 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.353133Jy sigma=0.002404 ! Fit after self-cal, rms=0.353040Jy sigma=0.002403 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 117 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 GC 1.00* HN 0.97 ! KK 1.03 KP 0.95 LA 0.95 MK 0.97 ! NL 1.01 NY 1.00* ON 1.00* OV 0.97 ! PT 1.03 SC 0.99 WF 1.01 MC 1.54 ! GN 0.96 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HN 1.00* ! KK 0.97 KP 0.84 LA 1.00* MK 0.87 ! NL 1.00* NY 1.00* ON 1.00* OV 0.96 ! PT 1.00* SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 2. ! A total of 117 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 GC 1.00* HN 1.04 ! KK 1.01 KP 0.95 LA 1.02 MK 1.01 ! NL 0.99 NY 1.00* ON 1.00* OV 0.98 ! PT 1.01 SC 1.01 WF 1.04 MC 0.91 ! GN 0.97 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HN 1.00* ! KK 0.98 KP 0.87 LA 1.00* MK 0.99 ! NL 1.00* NY 1.00* ON 1.00* OV 0.94 ! PT 1.00* SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 3. ! A total of 117 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.05 GC 1.00* HN 1.01 ! KK 1.05 KP 1.00 LA 1.01 MK 0.96 ! NL 1.00 NY 1.00* ON 1.00* OV 1.00 ! PT 1.02 SC 1.02 WF 1.02 MC 1.34 ! GN 0.99 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HN 1.00* ! KK 1.01 KP 0.89 LA 1.00* MK 0.93 ! NL 1.00* NY 1.00* ON 1.00* OV 0.99 ! PT 1.00* SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Correcting IF 4. ! A total of 117 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 GC 1.00* HN 1.02 ! KK 1.02 KP 0.99 LA 1.00 MK 0.97 ! NL 0.99 NY 1.00* ON 1.00* OV 1.00 ! PT 1.03 SC 1.01 WF 1.03 MC 1.60 ! GN 0.98 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HN 1.00* ! KK 0.99 KP 0.92 LA 1.00* MK 0.92 ! NL 1.00* NY 1.00* ON 1.00* OV 1.00 ! PT 1.00* SC 1.00* WF 1.00* MC 1.00* ! GN 1.00* ! ! ! Fit before self-cal, rms=0.353040Jy sigma=0.002403 ! Fit after self-cal, rms=0.355798Jy sigma=0.002352 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.972 mas, bmaj=8.112 mas, bpa=-6.388 degrees ! Estimated noise=636.635 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 = 0.00685951 Jy ! Component: 100 - total flux cleaned = 0.00915756 Jy ! Component: 150 - total flux cleaned = 0.00949879 Jy ! Component: 200 - total flux cleaned = 0.00976835 Jy ! Total flux subtracted in 200 components = 0.00976835 Jy ! Clean residual min=-0.007409 max=0.009032 Jy/beam ! Clean residual mean=-0.000268 rms=0.002206 Jy/beam ! Combined flux in latest and established models = 1.89545 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 115 components and 1.89545 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355559Jy sigma=0.002349 ! Fit after self-cal, rms=0.355733Jy sigma=0.002349 ! 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=0.355733Jy sigma=0.002349 ! Fit after self-cal, rms=0.355652Jy sigma=0.002334 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.972 mas, bmaj=8.134 mas, bpa=-6.381 degrees ! Estimated noise=636.907 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00244335 Jy ! Component: 100 - total flux cleaned = 0.00247535 Jy ! Component: 150 - total flux cleaned = 0.00236126 Jy ! Component: 200 - total flux cleaned = 0.00226006 Jy ! Total flux subtracted in 200 components = 0.00226006 Jy ! Clean residual min=-0.006312 max=0.007237 Jy/beam ! Clean residual mean=-0.000132 rms=0.001742 Jy/beam ! Combined flux in latest and established models = 1.89771 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 129 components and 1.89771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355559Jy sigma=0.002333 ! Fit after self-cal, rms=0.355595Jy sigma=0.002333 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 = 0.000590347 Jy ! Component: 100 - total flux cleaned = 0.000685906 Jy ! Component: 150 - total flux cleaned = 0.000855946 Jy ! Component: 200 - total flux cleaned = 0.000934558 Jy ! Total flux subtracted in 200 components = 0.000934558 Jy ! Clean residual min=-0.006281 max=0.006979 Jy/beam ! Clean residual mean=-0.000143 rms=0.001727 Jy/beam ! Combined flux in latest and established models = 1.89865 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 139 components and 1.89865 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355557Jy sigma=0.002333 ! Fit after self-cal, rms=0.355554Jy sigma=0.002333 ! 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=0.355554Jy sigma=0.002333 ! Fit after self-cal, rms=0.355198Jy sigma=0.002326 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.971 mas, bmaj=8.136 mas, bpa=-6.39 degrees ! Estimated noise=636.909 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00202436 Jy ! Component: 100 - total flux cleaned = 0.00203389 Jy ! Component: 150 - total flux cleaned = 0.00220602 Jy ! Component: 200 - total flux cleaned = 0.00243155 Jy ! Total flux subtracted in 200 components = 0.00243155 Jy ! Clean residual min=-0.005194 max=0.004490 Jy/beam ! Clean residual mean=-0.000112 rms=0.001369 Jy/beam ! Combined flux in latest and established models = 1.90108 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 150 components and 1.90108 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355147Jy sigma=0.002326 ! Fit after self-cal, rms=0.355148Jy sigma=0.002326 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 = 0.000420761 Jy ! Component: 100 - total flux cleaned = 0.000558786 Jy ! Component: 150 - total flux cleaned = 0.000685115 Jy ! Component: 200 - total flux cleaned = 0.000799453 Jy ! Total flux subtracted in 200 components = 0.000799453 Jy ! Clean residual min=-0.005219 max=0.004491 Jy/beam ! Clean residual mean=-0.000121 rms=0.001355 Jy/beam ! Combined flux in latest and established models = 1.90188 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 158 components and 1.90188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355127Jy sigma=0.002326 ! Fit after self-cal, rms=0.355126Jy sigma=0.002326 ! 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=0.355126Jy sigma=0.002326 ! Fit after self-cal, rms=0.355369Jy sigma=0.002326 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.993 mas, bmaj=13.05 mas, bpa=-1.744 degrees ! Estimated noise=822.212 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000366718 Jy ! Component: 100 - total flux cleaned = -0.000561342 Jy ! Component: 150 - total flux cleaned = -0.000721295 Jy ! Component: 200 - total flux cleaned = -0.00085637 Jy ! Total flux subtracted in 200 components = -0.00085637 Jy ! Clean residual min=-0.005644 max=0.004887 Jy/beam ! Clean residual mean=-0.000204 rms=0.001764 Jy/beam ! Combined flux in latest and established models = 1.90102 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 182 components and 1.90102 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355358Jy sigma=0.002326 ! Fit after self-cal, rms=0.355357Jy sigma=0.002326 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 = -0.0001439 Jy ! Component: 100 - total flux cleaned = -0.000179968 Jy ! Component: 150 - total flux cleaned = -0.000245582 Jy ! Component: 200 - total flux cleaned = -0.000246292 Jy ! Total flux subtracted in 200 components = -0.000246292 Jy ! Clean residual min=-0.005543 max=0.004889 Jy/beam ! Clean residual mean=-0.000199 rms=0.001757 Jy/beam ! Combined flux in latest and established models = 1.90077 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 192 components and 1.90077 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355352Jy sigma=0.002326 ! Fit after self-cal, rms=0.355350Jy sigma=0.002326 ! 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=2.971 mas, bmaj=8.138 mas, bpa=-6.403 degrees ! Estimated noise=636.847 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.971 x 8.138 at -6.403 degrees (North through East) ! Clean map min=-0.0047619 max=1.3244 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=0.355350Jy sigma=0.002326 ! Fit after self-cal, rms=0.350893Jy sigma=0.002171 ! Inverting map and beam ! Estimated beam: bmin=2.969 mas, bmaj=8.139 mas, bpa=-6.416 degrees ! Estimated noise=636.235 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000209054 Jy ! Component: 100 - total flux cleaned = 0.000169155 Jy ! Component: 150 - total flux cleaned = 0.000282801 Jy ! Component: 200 - total flux cleaned = 0.000336096 Jy ! Total flux subtracted in 200 components = 0.000336096 Jy ! Clean residual min=-0.005171 max=0.004314 Jy/beam ! Clean residual mean=-0.000099 rms=0.001326 Jy/beam ! Combined flux in latest and established models = 1.90111 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 199 components and 1.90111 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.350877Jy sigma=0.002171 ! Fit after self-cal, rms=0.350876Jy sigma=0.002171 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.58844e-06 Jy ! Component: 100 - total flux cleaned = 9.09919e-05 Jy ! Component: 150 - total flux cleaned = 9.20859e-05 Jy ! Component: 200 - total flux cleaned = 9.17441e-05 Jy ! Total flux subtracted in 200 components = 9.17441e-05 Jy ! Clean residual min=-0.005120 max=0.004240 Jy/beam ! Clean residual mean=-0.000101 rms=0.001320 Jy/beam ! Combined flux in latest and established models = 1.9012 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 208 components and 1.9012 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.350866Jy sigma=0.002171 ! Fit after self-cal, rms=0.350863Jy sigma=0.002171 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.350863Jy sigma=0.002171 ! Fit after self-cal, rms=0.350970Jy sigma=0.002171 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=2.38 mas, bmaj=7.068 mas, bpa=-7.208 degrees ! Estimated noise=1015.28 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.977273 Jy ! Component: 100 - total flux cleaned = 1.30791 Jy ! Component: 150 - total flux cleaned = 1.47139 Jy ! Component: 200 - total flux cleaned = 1.57319 Jy ! Total flux subtracted in 200 components = 1.57319 Jy ! Clean residual min=-0.020707 max=0.055650 Jy/beam ! Clean residual mean=0.000916 rms=0.007070 Jy/beam ! Combined flux in latest and established models = 1.57319 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 23 model components to the UV plane model. ! The established model now contains 23 components and 1.57319 Jy ! Inverting map and beam ! Estimated beam: bmin=2.969 mas, bmaj=8.141 mas, bpa=-6.427 degrees ! Estimated noise=636.186 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 = 0.103642 Jy ! Component: 100 - total flux cleaned = 0.169496 Jy ! Component: 150 - total flux cleaned = 0.213015 Jy ! Component: 200 - total flux cleaned = 0.24338 Jy ! Total flux subtracted in 200 components = 0.24338 Jy ! Clean residual min=-0.008016 max=0.016854 Jy/beam ! Clean residual mean=0.000806 rms=0.003123 Jy/beam ! Combined flux in latest and established models = 1.81657 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 51 components and 1.81657 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0214954 Jy ! Component: 100 - total flux cleaned = 0.0370134 Jy ! Component: 150 - total flux cleaned = 0.0484595 Jy ! Component: 200 - total flux cleaned = 0.0571709 Jy ! Total flux subtracted in 200 components = 0.0571709 Jy ! Clean residual min=-0.005459 max=0.005640 Jy/beam ! Clean residual mean=0.000204 rms=0.001600 Jy/beam ! Combined flux in latest and established models = 1.87374 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 86 components and 1.87374 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.992 mas, bmaj=13.06 mas, bpa=-1.773 degrees ! Estimated noise=821.518 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0106544 Jy ! Component: 100 - total flux cleaned = 0.0166442 Jy ! Component: 150 - total flux cleaned = 0.0203199 Jy ! Component: 200 - total flux cleaned = 0.0226433 Jy ! Total flux subtracted in 200 components = 0.0226433 Jy ! Clean residual min=-0.005456 max=0.004896 Jy/beam ! Clean residual mean=-0.000092 rms=0.001715 Jy/beam ! Combined flux in latest and established models = 1.89638 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 = 0.00107435 Jy ! Component: 100 - total flux cleaned = 0.0014112 Jy ! Component: 150 - total flux cleaned = 0.00157402 Jy ! Component: 200 - total flux cleaned = 0.00160977 Jy ! Total flux subtracted in 200 components = 0.00160977 Jy ! Clean residual min=-0.005339 max=0.004841 Jy/beam ! Clean residual mean=-0.000132 rms=0.001699 Jy/beam ! Combined flux in latest and established models = 1.89799 Jy ! Adding 83 model components to the UV plane model. ! The established model now contains 158 components and 1.89799 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.969 mas, bmaj=8.141 mas, bpa=-6.427 degrees ! Estimated noise=636.186 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000219539 Jy ! Component: 100 - total flux cleaned = 0.000216624 Jy ! Component: 150 - total flux cleaned = 0.000321746 Jy ! Component: 200 - total flux cleaned = 0.000417855 Jy ! Total flux subtracted in 200 components = 0.000417855 Jy ! Clean residual min=-0.005244 max=0.004649 Jy/beam ! Clean residual mean=-0.000059 rms=0.001331 Jy/beam ! Combined flux in latest and established models = 1.89841 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 179 components and 1.89841 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.351079Jy sigma=0.002171 ! Fit after self-cal, rms=0.351027Jy sigma=0.002171 wmodel J2246-1206_S_1998_10_01_pus_map.mod ! Writing 179 model components to file: J2246-1206_S_1998_10_01_pus_map.mod wobs J2246-1206_S_1998_10_01_pus_uvs.fits ! Writing UV FITS file: J2246-1206_S_1998_10_01_pus_uvs.fits wwins J2246-1206_S_1998_10_01_pus_map.win ! wwins: Wrote 3 windows to J2246-1206_S_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 = -0.00159367 Jy ! Component: 100 - total flux cleaned = -0.00244029 Jy ! Component: 150 - total flux cleaned = -0.00307612 Jy ! Component: 200 - total flux cleaned = -0.00383748 Jy ! Component: 250 - total flux cleaned = -0.00449954 Jy ! Component: 300 - total flux cleaned = -0.00492728 Jy ! Component: 350 - total flux cleaned = -0.00506481 Jy ! Component: 400 - total flux cleaned = -0.00506503 Jy ! Component: 450 - total flux cleaned = -0.00500043 Jy ! Component: 500 - total flux cleaned = -0.00519301 Jy ! Component: 550 - total flux cleaned = -0.00519261 Jy ! Component: 600 - total flux cleaned = -0.00543946 Jy ! Component: 650 - total flux cleaned = -0.0053776 Jy ! Component: 700 - total flux cleaned = -0.00549835 Jy ! Component: 750 - total flux cleaned = -0.00561602 Jy ! Component: 800 - total flux cleaned = -0.00561628 Jy ! Component: 850 - total flux cleaned = -0.00561605 Jy ! Component: 900 - total flux cleaned = -0.00544662 Jy ! Component: 950 - total flux cleaned = -0.00539111 Jy ! Component: 1000 - total flux cleaned = -0.00528086 Jy ! Component: 1050 - total flux cleaned = -0.00522681 Jy ! Component: 1100 - total flux cleaned = -0.00511903 Jy ! Component: 1150 - total flux cleaned = -0.00506561 Jy ! Component: 1200 - total flux cleaned = -0.00496021 Jy ! Component: 1250 - total flux cleaned = -0.00469952 Jy ! Component: 1300 - total flux cleaned = -0.00464797 Jy ! Component: 1350 - total flux cleaned = -0.00454598 Jy ! Component: 1400 - total flux cleaned = -0.00439464 Jy ! Component: 1450 - total flux cleaned = -0.00439459 Jy ! Component: 1500 - total flux cleaned = -0.00439426 Jy ! Component: 1550 - total flux cleaned = -0.0042955 Jy ! Component: 1600 - total flux cleaned = -0.00419785 Jy ! Component: 1650 - total flux cleaned = -0.00424567 Jy ! Component: 1700 - total flux cleaned = -0.00395867 Jy ! Component: 1750 - total flux cleaned = -0.00391194 Jy ! Component: 1800 - total flux cleaned = -0.00400622 Jy ! Component: 1850 - total flux cleaned = -0.00405286 Jy ! Component: 1900 - total flux cleaned = -0.00400635 Jy ! Component: 1950 - total flux cleaned = -0.00396014 Jy ! Component: 2000 - total flux cleaned = -0.00391486 Jy ! Total flux subtracted in 2048 components = -0.00400518 Jy ! Clean residual min=-0.003389 max=0.002254 Jy/beam ! Clean residual mean=-0.000024 rms=0.000937 Jy/beam ! Combined flux in latest and established models = 1.8944 Jy keep ! Adding 141 model components to the UV plane model. ! The established model now contains 320 components and 1.8944 Jy ![Exited script file: muppet] wmap "J2246-1206_S_1998_10_01_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.969 x 8.141 at -6.427 degrees (North through East) ! Clean map min=-0.0047455 max=1.3245 Jy/beam ! Writing clean map to FITS file: J2246-1206_S_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 1.32452 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000940478 device "J2246-1206_S_1998_10_01_pus\_map.eps/VPS" ! Attempting to open device: 'J2246-1206_S_1998_10_01_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.213016 0.213016 0.426032 0.852065 1.70413 3.40826 6.81652 13.633 27.2661 54.5321 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0028 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.324 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.969 x 8.141 at -6.427 degrees (North through East) ! Clean map min=-0.0047455 max=1.3245 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J2246-1206_S_1998_10_01_pus\_map.gif/vgif" ! Attempting to open device: 'J2246-1206_S_1998_10_01_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J2246-1206_S_1998_10_01_pus_uvs.log closed on Thu Feb 7 17:31:58 2008