! Started logfile: 0827+243_S.log on Tue Apr 29 23:11:58 2008 observe 0827+243_S.edt ! Reading UV FITS file: 0827+243_S.edt ! AN table 1: 39 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0774258 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0827+243 ! ! 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 974 lines of history. ! ! Reading 1848 visibilities. ![@gonzo5-0.4 0827+243_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 = 5.0 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 627 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 634 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 627 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 643 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.490504Jy sigma=0.006519 ! Fit after self-cal, rms=0.487626Jy sigma=0.006458 ! 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 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.602 mas, bmaj=5.179 mas, bpa=-2.444 degrees ! Estimated noise=2525.21 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) ! Added new window around map position (0, 0). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.409131 Jy ! Total flux subtracted in 50 components = 0.409131 Jy ! Clean residual min=-0.045428 max=0.114291 Jy/beam ! Clean residual mean=-0.000236 rms=0.015067 Jy/beam ! Combined flux in latest and established models = 0.409131 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.409131 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203319Jy sigma=0.002888 ! Fit after self-cal, rms=0.203361Jy sigma=0.002888 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.116609 Jy ! Total flux subtracted in 50 components = 0.116609 Jy ! Clean residual min=-0.028853 max=0.079448 Jy/beam ! Clean residual mean=-0.000148 rms=0.009469 Jy/beam ! Combined flux in latest and established models = 0.52574 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.52574 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142402Jy sigma=0.001932 ! Fit after self-cal, rms=0.140546Jy sigma=0.001918 ! Inverting map ! Added new window around map position (3.2, -3.2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0754956 Jy ! Total flux subtracted in 50 components = 0.0754956 Jy ! Clean residual min=-0.019851 max=0.037649 Jy/beam ! Clean residual mean=-0.000094 rms=0.005798 Jy/beam ! Combined flux in latest and established models = 0.601235 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 9 components and 0.601235 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105434Jy sigma=0.001386 ! Fit after self-cal, rms=0.102799Jy sigma=0.001356 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0396227 Jy ! Total flux subtracted in 50 components = 0.0396227 Jy ! Clean residual min=-0.014701 max=0.024372 Jy/beam ! Clean residual mean=-0.000064 rms=0.003954 Jy/beam ! Combined flux in latest and established models = 0.640858 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 13 components and 0.640858 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090519Jy sigma=0.001149 ! Fit after self-cal, rms=0.090120Jy sigma=0.001144 ! Inverting map ! Added new window around map position (-3.2, 5.2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0244117 Jy ! Total flux subtracted in 50 components = 0.0244117 Jy ! Clean residual min=-0.012097 max=0.013084 Jy/beam ! Clean residual mean=-0.000046 rms=0.003113 Jy/beam ! Combined flux in latest and established models = 0.66527 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 20 components and 0.66527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085306Jy sigma=0.001061 ! Fit after self-cal, rms=0.085398Jy sigma=0.001060 ! 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=2.913 mas, bmaj=5.926 mas, bpa=-0.3185 degrees ! Estimated noise=1879.42 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 = 0.0179294 Jy ! Component: 100 - total flux cleaned = 0.029197 Jy ! Total flux subtracted in 100 components = 0.029197 Jy ! Clean residual min=-0.012049 max=0.010394 Jy/beam ! Clean residual mean=-0.000044 rms=0.002609 Jy/beam ! Combined flux in latest and established models = 0.694467 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 48 components and 0.694467 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082139Jy sigma=0.001000 ! Fit after self-cal, rms=0.082139Jy sigma=0.000999 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 GC 1.01 HH 1.00* ! HN 1.00 KK 1.00 KP 0.99 LA 0.98 ! MC 1.00* MK 1.00* NL 0.99 NY 0.96 ! ON 1.00* OV 0.99 PT 1.00* SC 1.01 ! WF 1.01 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 GC 1.00 HH 1.00* ! HN 1.00 KK 1.00 KP 0.99 LA 0.99 ! MC 1.00* MK 1.00* NL 0.99 NY 1.00* ! ON 1.00* OV 0.99 PT 1.00* SC 1.01 ! WF 1.00 WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 GC 1.01 HH 1.00* ! HN 1.00 KK 1.02 KP 0.99 LA 0.98 ! MC 1.00* MK 1.00* NL 0.99 NY 1.04 ! ON 1.00* OV 0.99 PT 1.00* SC 1.01 ! WF 1.00 WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 GC 1.00 HH 1.00* ! HN 1.00 KK 1.00 KP 0.99 LA 1.00* ! MC 1.00* MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 0.99 PT 1.00* SC 1.01 ! WF 1.00 WZ 1.00* ! ! ! Fit before self-cal, rms=0.082139Jy sigma=0.000999 ! Fit after self-cal, rms=0.081545Jy sigma=0.000991 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.921 mas, bmaj=5.934 mas, bpa=-0.3883 degrees ! Estimated noise=1864.9 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) ! Added new window around map position (12.8, 47.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00696269 Jy ! Component: 100 - total flux cleaned = 0.0102318 Jy ! Total flux subtracted in 100 components = 0.0102318 Jy ! Clean residual min=-0.009495 max=0.008645 Jy/beam ! Clean residual mean=-0.000017 rms=0.002012 Jy/beam ! Combined flux in latest and established models = 0.704698 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 57 components and 0.704698 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080333Jy sigma=0.000973 ! Fit after self-cal, rms=0.080380Jy sigma=0.000972 ! 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 = 0.00237234 Jy ! Component: 100 - total flux cleaned = 0.00394911 Jy ! Total flux subtracted in 100 components = 0.00394911 Jy ! Clean residual min=-0.008826 max=0.008184 Jy/beam ! Clean residual mean=-0.000013 rms=0.001903 Jy/beam ! Combined flux in latest and established models = 0.708648 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 66 components and 0.708648 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080007Jy sigma=0.000967 ! Fit after self-cal, rms=0.079766Jy sigma=0.000963 ! Inverting map and beam ! Estimated beam: bmin=2.922 mas, bmaj=5.937 mas, bpa=-0.3953 degrees ! Estimated noise=1862.75 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) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0018631 Jy ! Component: 100 - total flux cleaned = 0.00354683 Jy ! Total flux subtracted in 100 components = 0.00354683 Jy ! Clean residual min=-0.008130 max=0.007708 Jy/beam ! Clean residual mean=-0.000009 rms=0.001796 Jy/beam ! Combined flux in latest and established models = 0.712194 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 75 components and 0.712194 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.079503Jy sigma=0.000959 ! Fit after self-cal, rms=0.079543Jy sigma=0.000959 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0827+243_S ! Writing UV FITS file: 0827+243_S.uvf ! Writing 75 model components to file: 0827+243_S.mod ! wwins: Wrote 4 windows to 0827+243_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.922 x 5.937 at -0.3953 degrees (North through East) ! Clean map min=-0.0085147 max=0.52755 Jy/beam ! Writing clean map to FITS file: 0827+243_S.fits ! Writing difmap environment to: 0827+243_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0827+243_S] device 0827+243_Suv.ps/vps,1,2 ! Attempting to open device: '0827+243_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0827+243_Sim.ps/vps ! Attempting to open device: '0827+243_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=2.922 mas, bmaj=5.937 mas, bpa=-0.3953 degrees ! Estimated noise=1862.75 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.922 x 5.937 at -0.3953 degrees (North through East) ! Clean map min=-0.0085147 max=0.52755 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo5-0.4] quit ! Quitting program ! Log file 0827+243_S.log closed on Tue Apr 29 23:12:04 2008