! Started logfile: 0920-397_S.log on Wed Aug 20 14:45:17 2008 observe 0920-397_S.edt ! Reading UV FITS file: 0920-397_S.edt ! AN table 1: 9 integrations on 171 of 171 possible baselines. ! AN table 2: 3 integrations on 171 of 171 possible baselines. ! AN table 3: 13 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0477193 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0920-397 ! ! 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 816 visibilities. ![@gonzo7-0.4 0920-397_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 = 7.0 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 127 telescope corrections were flagged in sub-array 1. ! A total of 57 telescope corrections were flagged in sub-array 2. ! A total of 228 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 127 telescope corrections were flagged in sub-array 1. ! A total of 57 telescope corrections were flagged in sub-array 2. ! A total of 228 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 127 telescope corrections were flagged in sub-array 1. ! A total of 57 telescope corrections were flagged in sub-array 2. ! A total of 228 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 127 telescope corrections were flagged in sub-array 1. ! A total of 57 telescope corrections were flagged in sub-array 2. ! A total of 228 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.419553Jy sigma=6.772460 ! Fit after self-cal, rms=0.419538Jy sigma=6.772267 ! 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=2.423 mas, bmaj=7.491 mas, bpa=-10.17 degrees ! Estimated noise=2.93107 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 = 0.516647 Jy ! Total flux subtracted in 50 components = 0.516648 Jy ! Clean residual min=-0.070748 max=0.158510 Jy/beam ! Clean residual mean=0.000097 rms=0.026828 Jy/beam ! Combined flux in latest and established models = 0.516647 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 4 components and 0.516647 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.357978Jy sigma=11.375857 ! Fit after self-cal, rms=0.357960Jy sigma=11.375713 ! 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=2.985 mas, bmaj=8.562 mas, bpa=-10.3 degrees ! Estimated noise=2.16508 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 = 0.227044 Jy ! Component: 100 - total flux cleaned = 0.339867 Jy ! Total flux subtracted in 100 components = 0.339867 Jy ! Clean residual min=-0.041875 max=0.077078 Jy/beam ! Clean residual mean=-0.000818 rms=0.016847 Jy/beam ! Combined flux in latest and established models = 0.856515 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 41 model components to the UV plane model. ! The established model now contains 42 components and 0.856515 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.227496Jy sigma=2.767080 ! Fit after self-cal, rms=0.227588Jy sigma=2.765302 ! 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 0.88 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.00 LA 0.94 ! MA 1.00* MK 1.12 NL 0.96 NY 1.00* ! OV 0.92 PT 0.98 SC 1.15 TS 1.00* ! WF 1.59 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* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.29 GC 1.00* HH 1.00* ! HN 1.00* KK 0.68 KP 0.84 LA 1.00* ! MA 1.00* MK 0.77 NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.92 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.94 LA 0.89 ! MA 1.00* MK 1.15 NL 0.91 NY 1.00* ! OV 0.97 PT 0.93 SC 1.19 TS 1.00* ! WF 1.49 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* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.09 GC 1.00* HH 1.00* ! HN 1.00* KK 0.68 KP 0.96 LA 1.00* ! MA 1.00* MK 0.88 NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.93 LA 0.90 ! MA 1.00* MK 1.03 NL 1.00 NY 1.00* ! OV 0.93 PT 0.92 SC 1.05 TS 1.00* ! WF 1.61 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* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.25 GC 1.00* HH 1.00* ! HN 1.00* KK 0.63 KP 1.03 LA 1.00* ! MA 1.00* MK 0.93 NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.86 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.05 LA 0.96 ! MA 1.00* MK 0.96 NL 1.01 NY 1.00* ! OV 1.00 PT 0.82 SC 1.08 TS 1.00* ! WF 1.59 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* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.91 GC 1.00* HH 1.00* ! HN 1.00* KK 0.60 KP 1.07 LA 1.00* ! MA 1.00* MK 0.86 NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.227588Jy sigma=2.765302 ! Fit after self-cal, rms=0.158384Jy sigma=1.367452 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.129 mas, bmaj=8.75 mas, bpa=-10.23 degrees ! Estimated noise=2.0856 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 = 0.00730358 Jy ! Component: 100 - total flux cleaned = 0.00731266 Jy ! Total flux subtracted in 100 components = 0.00731266 Jy ! Clean residual min=-0.013645 max=0.012794 Jy/beam ! Clean residual mean=-0.000259 rms=0.003437 Jy/beam ! Combined flux in latest and established models = 0.863827 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 52 components and 0.863827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157568Jy sigma=1.380724 ! Fit after self-cal, rms=0.157771Jy sigma=1.379327 ! 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 = -0.00020064 Jy ! Component: 100 - total flux cleaned = -0.000471706 Jy ! Total flux subtracted in 100 components = -0.000471706 Jy ! Clean residual min=-0.013531 max=0.012862 Jy/beam ! Clean residual mean=-0.000261 rms=0.003414 Jy/beam ! Combined flux in latest and established models = 0.863356 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 54 components and 0.863356 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157485Jy sigma=1.376818 ! Fit after self-cal, rms=0.153976Jy sigma=1.284552 ! Inverting map and beam ! Estimated beam: bmin=3.105 mas, bmaj=8.69 mas, bpa=-10.42 degrees ! Estimated noise=2.08991 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 = 0.00810872 Jy ! Component: 100 - total flux cleaned = 0.00962115 Jy ! Total flux subtracted in 100 components = 0.00962115 Jy ! Clean residual min=-0.014003 max=0.012080 Jy/beam ! Clean residual mean=-0.000185 rms=0.003381 Jy/beam ! Combined flux in latest and established models = 0.872977 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 57 components and 0.872977 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153441Jy sigma=1.312168 ! Fit after self-cal, rms=0.153591Jy sigma=1.311134 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0920-397_S ! Writing UV FITS file: 0920-397_S.uvf ! Writing 57 model components to file: 0920-397_S.mod ! wwins: Wrote 1 windows to 0920-397_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.105 x 8.69 at -10.42 degrees (North through East) ! Clean map min=-0.013545 max=0.63799 Jy/beam ! Writing clean map to FITS file: 0920-397_S.fits ! Writing difmap environment to: 0920-397_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0920-397_S] device 0920-397_Suv.ps/vps,1,2 ! Attempting to open device: '0920-397_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0920-397_Sim.ps/vps ! Attempting to open device: '0920-397_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=3.105 mas, bmaj=8.69 mas, bpa=-10.42 degrees ! Estimated noise=2.08991 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.105 x 8.69 at -10.42 degrees (North through East) ! Clean map min=-0.013545 max=0.63799 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 0920-397_S.log closed on Wed Aug 20 14:45:24 2008