! Started logfile: 0537-441_S.log on Thu Aug 28 13:53:30 2008 observe 0537-441_S.edt ! Reading UV FITS file: 0537-441_S.edt ! AN table 1: 10 integrations on 171 of 171 possible baselines. ! AN table 2: 25 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0274018 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0537-441 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1615 lines of history. ! ! Reading 656 visibilities. ![@gonzo6-0.4-pw 0537-441_S] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.4 integer clean_niter clean_niter = 50 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float win_mult win_mult = 1.8 float solint solint = 3.6/6.0 logical doflt doflt = true logical doamp float new_peak float flux_cutoff mapsize field_size,field_cell ! Map grid = 1024x1024 pixels with 0.400x0.400 milli-arcsec cellsize. select ! 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 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 145 telescope corrections were flagged in sub-array 1. ! A total of 475 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 145 telescope corrections were flagged in sub-array 1. ! A total of 475 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 145 telescope corrections were flagged in sub-array 1. ! A total of 475 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 145 telescope corrections were flagged in sub-array 1. ! A total of 475 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=2.154465Jy sigma=40.939811 ! Fit after self-cal, rms=2.154464Jy sigma=40.939799 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvweight 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. doamp = false peakw win_mult ! Inverting map and beam ! Estimated beam: bmin=2.348 mas, bmaj=6.876 mas, bpa=-6.479 degrees ! Estimated noise=4.29826 mJy/beam. ! Added new window around map position (0, 0). 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 doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.26132 Jy ! Total flux subtracted in 50 components = 2.26132 Jy ! Clean residual min=-0.204722 max=0.630640 Jy/beam ! Clean residual mean=-0.006965 rms=0.090636 Jy/beam ! Combined flux in latest and established models = 2.26132 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 2.26132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.954700Jy sigma=18.536615 ! Fit after self-cal, rms=0.954699Jy sigma=18.536613 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.572464 Jy ! Total flux subtracted in 50 components = 0.572464 Jy ! Clean residual min=-0.099590 max=0.236805 Jy/beam ! Clean residual mean=-0.003516 rms=0.041991 Jy/beam ! Combined flux in latest and established models = 2.83379 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 2.83379 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.484643Jy sigma=9.043691 ! Fit after self-cal, rms=0.484515Jy sigma=9.042823 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Uniform Weighting CLEAN ***" ! *** Finished Uniform Weighting CLEAN *** print "****************************************" ! **************************************** uvweight 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 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.441 mas, bmaj=9.959 mas, bpa=-10.86 degrees ! Estimated noise=2.72702 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.372455 Jy ! Component: 100 - total flux cleaned = 0.506769 Jy ! Total flux subtracted in 100 components = 0.506769 Jy ! Clean residual min=-0.033924 max=0.051458 Jy/beam ! Clean residual mean=-0.001220 rms=0.014531 Jy/beam ! Combined flux in latest and established models = 3.34056 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 34 model components to the UV plane model. ! The established model now contains 41 components and 3.34056 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158987Jy sigma=2.099535 ! Fit after self-cal, rms=0.158333Jy sigma=2.090890 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.97 LA 0.99 ! MA 1.00* MK 1.02 NL 1.00* NY 1.00* ! OV 0.99 PT 1.03 SC 0.99 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.96 LA 0.97 ! MA 1.00* MK 1.03 NL 1.00* NY 1.00* ! OV 1.03 PT 1.01 SC 1.02 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.03 LA 0.98 ! MA 1.00* MK 0.99 NL 1.00* NY 1.00* ! OV 1.00 PT 1.02 SC 1.01 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.96 LA 0.99 ! MA 1.00* MK 0.99 NL 1.00* NY 1.00* ! OV 1.00 PT 1.02 SC 1.03 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Fit before self-cal, rms=0.158333Jy sigma=2.090890 ! Fit after self-cal, rms=0.125691Jy sigma=1.340140 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.468 mas, bmaj=10.04 mas, bpa=-10.91 degrees ! Estimated noise=2.6891 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00427119 Jy ! Component: 100 - total flux cleaned = 0.00452967 Jy ! Total flux subtracted in 100 components = 0.00452968 Jy ! Clean residual min=-0.014417 max=0.014340 Jy/beam ! Clean residual mean=-0.000303 rms=0.004275 Jy/beam ! Combined flux in latest and established models = 3.34509 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 47 components and 3.34509 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125300Jy sigma=1.341118 ! Fit after self-cal, rms=0.125193Jy sigma=1.339490 ! Inverting map dynam = dynam - 1.0 doamp = true solint = solint * (6.0/3.6) 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 doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.86832e-05 Jy ! Component: 100 - total flux cleaned = 8.01004e-05 Jy ! Total flux subtracted in 100 components = 8.01004e-05 Jy ! Clean residual min=-0.014411 max=0.014239 Jy/beam ! Clean residual mean=-0.000301 rms=0.004257 Jy/beam ! Combined flux in latest and established models = 3.34517 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 47 components and 3.34517 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124997Jy sigma=1.338749 ! Fit after self-cal, rms=0.117849Jy sigma=1.269828 ! Inverting map and beam ! Estimated beam: bmin=3.469 mas, bmaj=10.03 mas, bpa=-10.9 degrees ! Estimated noise=2.69107 mJy/beam. doamp = false solint = solint / (6.0/3.6) 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 doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (10, 38.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0134695 Jy ! Component: 100 - total flux cleaned = 0.0153323 Jy ! Total flux subtracted in 100 components = 0.0153323 Jy ! Clean residual min=-0.011706 max=0.013457 Jy/beam ! Clean residual mean=-0.000086 rms=0.003395 Jy/beam ! Combined flux in latest and established models = 3.3605 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 60 components and 3.3605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.115916Jy sigma=1.268988 ! Fit after self-cal, rms=0.115820Jy sigma=1.258103 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0537-441_S ! Writing UV FITS file: 0537-441_S.uvf ! Writing 60 model components to file: 0537-441_S.mod ! wwins: Wrote 2 windows to 0537-441_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.469 x 10.03 at -10.9 degrees (North through East) ! Clean map min=-0.011811 max=3.0448 Jy/beam ! Writing clean map to FITS file: 0537-441_S.fits ! Writing difmap environment to: 0537-441_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0537-441_S] device 0537-441_Suv.ps/vps,1,2 ! Attempting to open device: '0537-441_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0537-441_Sim.ps/vps ! Attempting to open device: '0537-441_Sim.ps/vps' uvweight 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. loglevs -1,2048,2 ! The new contour levels are: ! -1 1 2 4 8 16 32 64 128 256 512 1024 2048 cmul = imstat(rms)*3 ! Inverting map and beam ! Estimated beam: bmin=3.469 mas, bmaj=10.03 mas, bpa=-10.9 degrees ! Estimated noise=2.69107 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.469 x 10.03 at -10.9 degrees (North through East) ! Clean map min=-0.011811 max=3.0448 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.4-pw] quit ! Quitting program ! Log file 0537-441_S.log closed on Thu Aug 28 13:53:36 2008