! Started logfile: 0920-397_S.log on Mon Mar 9 15:31:14 2009 observe 0920-397_S.edt ! Reading UV FITS file: 0920-397_S.edt ! AN table 1: 6 integrations on 190 of 190 possible baselines. ! AN table 2: 42 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.060636 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 1477 lines of history. ! ! Reading 2212 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 120 telescope corrections were flagged in sub-array 1. ! A total of 716 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 716 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 716 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 717 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.476836Jy sigma=3.485825 ! Fit after self-cal, rms=0.459822Jy sigma=3.471900 ! 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=2.28 mas, bmaj=7.364 mas, bpa=-11.62 degrees ! Estimated noise=3.15285 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 = 0.595572 Jy ! Total flux subtracted in 50 components = 0.595572 Jy ! Clean residual min=-0.079904 max=0.179593 Jy/beam ! Clean residual mean=0.000523 rms=0.031241 Jy/beam ! Combined flux in latest and established models = 0.595572 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 9 components and 0.595572 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.524743Jy sigma=5.720464 ! Fit after self-cal, rms=0.524711Jy sigma=5.720343 ! 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=3.113 mas, bmaj=8.929 mas, bpa=-9.111 degrees ! Estimated noise=1.87664 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 = 0.309774 Jy ! Component: 100 - total flux cleaned = 0.442245 Jy ! Total flux subtracted in 100 components = 0.442244 Jy ! Clean residual min=-0.043225 max=0.076027 Jy/beam ! Clean residual mean=0.000409 rms=0.017294 Jy/beam ! Combined flux in latest and established models = 1.03782 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 48 components and 1.03782 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.380972Jy sigma=2.361034 ! Fit after self-cal, rms=0.380606Jy sigma=2.359586 ! 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 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* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* ON 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.03 LA 1.02 ! MA 1.00* MC 1.00* MK 1.01 NL 0.90 ! NY 1.00* ON 1.00* OV 0.96 PT 0.87 ! SC 1.07 TS 1.00* WF 1.53 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! 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* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* ON 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.90 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.06 LA 1.02 ! MA 1.00* MC 1.00* MK 1.14 NL 0.93 ! NY 1.00* ON 1.00* OV 0.91 PT 0.93 ! SC 0.95 TS 1.00* WF 1.38 WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! 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* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* ON 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.83 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.99 LA 1.74 ! MA 1.00* MC 1.00* MK 1.03 NL 0.99 ! NY 1.00* ON 1.00* OV 0.93 PT 0.91 ! SC 1.12 TS 1.00* WF 1.31 WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! 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* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* ON 0.00* OV 0.00* PT 0.00* ! SC 0.00* TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.77 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.10 LA 0.87 ! MA 1.00* MC 1.00* MK 1.03 NL 0.99 ! NY 1.00* ON 1.00* OV 0.87 PT 0.94 ! SC 0.97 TS 1.00* WF 1.60 WZ 1.00* ! ! ! Fit before self-cal, rms=0.380606Jy sigma=2.359586 ! Fit after self-cal, rms=0.434930Jy sigma=1.243795 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.238 mas, bmaj=9.11 mas, bpa=-8.455 degrees ! Estimated noise=1.77843 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 = -0.0039158 Jy ! Component: 100 - total flux cleaned = -0.00447951 Jy ! Total flux subtracted in 100 components = -0.00447951 Jy ! Clean residual min=-0.012000 max=0.012472 Jy/beam ! Clean residual mean=-0.000072 rms=0.003221 Jy/beam ! Combined flux in latest and established models = 1.03334 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 55 components and 1.03334 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.434777Jy sigma=1.242622 ! Fit after self-cal, rms=0.434651Jy sigma=1.241651 ! 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 = 6.14663e-05 Jy ! Component: 100 - total flux cleaned = -0.000249659 Jy ! Total flux subtracted in 100 components = -0.000249659 Jy ! Clean residual min=-0.011813 max=0.011804 Jy/beam ! Clean residual mean=-0.000074 rms=0.003185 Jy/beam ! Combined flux in latest and established models = 1.03309 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 57 components and 1.03309 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.434607Jy sigma=1.240097 ! Fit after self-cal, rms=0.387704Jy sigma=1.202410 ! Inverting map and beam ! Estimated beam: bmin=3.241 mas, bmaj=9.112 mas, bpa=-8.381 degrees ! Estimated noise=1.77043 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 = -0.00487376 Jy ! Component: 100 - total flux cleaned = -0.00530757 Jy ! Total flux subtracted in 100 components = -0.00530757 Jy ! Clean residual min=-0.011301 max=0.010102 Jy/beam ! Clean residual mean=-0.000051 rms=0.003009 Jy/beam ! Combined flux in latest and established models = 1.02778 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 57 components and 1.02778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.387478Jy sigma=1.202190 ! Fit after self-cal, rms=0.387712Jy sigma=1.201929 ! 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: 3.241 x 9.112 at -8.381 degrees (North through East) ! Clean map min=-0.010998 max=0.82807 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=3.241 mas, bmaj=9.112 mas, bpa=-8.381 degrees ! Estimated noise=1.77043 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.241 x 9.112 at -8.381 degrees (North through East) ! Clean map min=-0.010998 max=0.82807 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 0920-397_S.log closed on Mon Mar 9 15:31:20 2009