! Started logfile: 1445-161_S.log on Wed May 7 12:15:56 2008 observe 1445-161_S.edt ! Reading UV FITS file: 1445-161_S.edt ! AN table 1: 34 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.174933 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1445-161 ! ! 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 963 lines of history. ! ! Reading 3640 visibilities. ![@gonzo7-0.4 1445-161_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 375 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 388 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 388 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 418 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.289569Jy sigma=0.003936 ! Fit after self-cal, rms=0.288958Jy sigma=0.003929 ! 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=1.918 mas, bmaj=6.87 mas, bpa=-5.516 degrees ! Estimated noise=1655.61 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 = 0.552881 Jy ! Total flux subtracted in 50 components = 0.552881 Jy ! Clean residual min=-0.054044 max=0.154196 Jy/beam ! Clean residual mean=-0.000012 rms=0.016726 Jy/beam ! Combined flux in latest and established models = 0.552881 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 0.552881 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221271Jy sigma=0.003122 ! Fit after self-cal, rms=0.221271Jy sigma=0.003122 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.144057 Jy ! Total flux subtracted in 50 components = 0.144057 Jy ! Clean residual min=-0.026665 max=0.055990 Jy/beam ! Clean residual mean=-0.000003 rms=0.007214 Jy/beam ! Combined flux in latest and established models = 0.696938 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.696938 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.120105Jy sigma=0.001681 ! Fit after self-cal, rms=0.120103Jy sigma=0.001681 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.055906 Jy ! Total flux subtracted in 50 components = 0.055906 Jy ! Clean residual min=-0.020721 max=0.024460 Jy/beam ! Clean residual mean=0.000000 rms=0.004403 Jy/beam ! Combined flux in latest and established models = 0.752844 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 17 components and 0.752844 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.094806Jy sigma=0.001310 ! Fit after self-cal, rms=0.094803Jy sigma=0.001309 ! 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=2.443 mas, bmaj=7.353 mas, bpa=-6.484 degrees ! Estimated noise=994.882 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 = 0.0333653 Jy ! Component: 100 - total flux cleaned = 0.0496527 Jy ! Total flux subtracted in 100 components = 0.0496527 Jy ! Clean residual min=-0.014612 max=0.016442 Jy/beam ! Clean residual mean=-0.000000 rms=0.004057 Jy/beam ! Combined flux in latest and established models = 0.802497 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 37 components and 0.802497 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084506Jy sigma=0.001154 ! Fit after self-cal, rms=0.084453Jy sigma=0.001153 ! 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 1.01 FD 0.99 GC 1.00* HH 1.00* ! HN 0.99 KK 1.00 KP 0.98 LA 0.99 ! MC 1.00* MK 0.99 NL 1.00 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.02 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00 KP 0.99 LA 0.99 ! MC 1.00* MK 1.00 NL 1.00 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.01 ! WF 1.00* WZ 1.00* ! ! ! 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 0.99 LA 0.99 ! MC 1.00* MK 1.00 NL 1.00 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.01 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 GC 1.00* HH 1.00* ! HN 0.99 KK 1.00 KP 0.99 LA 1.00* ! MC 1.00* MK 0.99 NL 0.99 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.03 ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.084453Jy sigma=0.001153 ! Fit after self-cal, rms=0.083270Jy sigma=0.001142 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.448 mas, bmaj=7.4 mas, bpa=-6.633 degrees ! Estimated noise=987.993 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 = 0.00512104 Jy ! Component: 100 - total flux cleaned = 0.00551197 Jy ! Total flux subtracted in 100 components = 0.00551197 Jy ! Clean residual min=-0.012355 max=0.015750 Jy/beam ! Clean residual mean=0.000006 rms=0.003817 Jy/beam ! Combined flux in latest and established models = 0.808009 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 47 components and 0.808009 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082923Jy sigma=0.001138 ! Fit after self-cal, rms=0.082922Jy sigma=0.001138 ! 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 = 0.000156986 Jy ! Component: 100 - total flux cleaned = 4.98796e-05 Jy ! Total flux subtracted in 100 components = 4.98796e-05 Jy ! Clean residual min=-0.012067 max=0.015849 Jy/beam ! Clean residual mean=0.000006 rms=0.003793 Jy/beam ! Combined flux in latest and established models = 0.808059 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 49 components and 0.808059 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082794Jy sigma=0.001136 ! Fit after self-cal, rms=0.082441Jy sigma=0.001129 ! Inverting map and beam ! Estimated beam: bmin=2.445 mas, bmaj=7.404 mas, bpa=-6.691 degrees ! Estimated noise=989.508 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 = 0.0033944 Jy ! Component: 100 - total flux cleaned = 0.00360334 Jy ! Total flux subtracted in 100 components = 0.00360334 Jy ! Clean residual min=-0.012022 max=0.015182 Jy/beam ! Clean residual mean=0.000007 rms=0.003690 Jy/beam ! Combined flux in latest and established models = 0.811662 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 52 components and 0.811662 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082264Jy sigma=0.001127 ! Fit after self-cal, rms=0.082262Jy sigma=0.001127 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1445-161_S ! Writing UV FITS file: 1445-161_S.uvf ! Writing 52 model components to file: 1445-161_S.mod ! wwins: Wrote 1 windows to 1445-161_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.445 x 7.404 at -6.691 degrees (North through East) ! Clean map min=-0.011698 max=0.72675 Jy/beam ! Writing clean map to FITS file: 1445-161_S.fits ! Writing difmap environment to: 1445-161_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1445-161_S] device 1445-161_Suv.ps/vps,1,2 ! Attempting to open device: '1445-161_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1445-161_Sim.ps/vps ! Attempting to open device: '1445-161_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=2.445 mas, bmaj=7.404 mas, bpa=-6.691 degrees ! Estimated noise=989.508 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.445 x 7.404 at -6.691 degrees (North through East) ! Clean map min=-0.011698 max=0.72675 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1445-161_S.log closed on Wed May 7 12:16:01 2008