! Started logfile: 0919-260_S.log on Tue Apr 29 23:14:54 2008 observe 0919-260_S.edt ! Reading UV FITS file: 0919-260_S.edt ! AN table 1: 10 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0431373 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0919-260 ! ! 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 264 visibilities. ![@gonzo6-0.4 0919-260_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 157 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 168 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 164 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 166 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.242367Jy sigma=0.002296 ! Fit after self-cal, rms=0.237211Jy sigma=0.002281 ! 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=4.571 mas, bmaj=12.95 mas, bpa=-13.55 degrees ! Estimated noise=8816.77 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 = 0.65998 Jy ! Total flux subtracted in 50 components = 0.65998 Jy ! Clean residual min=-0.090158 max=0.184197 Jy/beam ! Clean residual mean=-0.000637 rms=0.036307 Jy/beam ! Combined flux in latest and established models = 0.65998 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 0.65998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242046Jy sigma=0.002817 ! Fit after self-cal, rms=0.242046Jy sigma=0.002816 ! 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=4.771 mas, bmaj=11.05 mas, bpa=-9.811 degrees ! Estimated noise=7456.63 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 = 0.182835 Jy ! Component: 100 - total flux cleaned = 0.269786 Jy ! Total flux subtracted in 100 components = 0.269786 Jy ! Clean residual min=-0.036702 max=0.040177 Jy/beam ! Clean residual mean=-0.000221 rms=0.011293 Jy/beam ! Combined flux in latest and established models = 0.929766 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 23 components and 0.929766 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.094494Jy sigma=0.001037 ! Fit after self-cal, rms=0.093922Jy sigma=0.001033 ! 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 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 GC 1.00* HH 1.00* ! HN 0.96 KK 1.00* KP 0.96 LA 0.98 ! MC 1.00* MK 1.00* NL 0.98 NY 1.00* ! ON 1.00* OV 0.93 PT 1.00* SC 1.04 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 0.95 KK 1.00* KP 1.00 LA 0.96 ! MC 1.00* MK 1.00* NL 0.98 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 0.99 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.93 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 0.96 LA 0.99 ! MC 1.00* MK 1.00* NL 0.98 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.03 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 GC 1.00* HH 1.00* ! HN 0.94 KK 1.00* KP 1.00 LA 1.00* ! MC 1.00* MK 1.00* 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=0.093922Jy sigma=0.001033 ! Fit after self-cal, rms=0.077321Jy sigma=0.000826 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.651 mas, bmaj=11.22 mas, bpa=-11.32 degrees ! Estimated noise=7505.94 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 = 0.0205442 Jy ! Component: 100 - total flux cleaned = 0.022702 Jy ! Total flux subtracted in 100 components = 0.022702 Jy ! Clean residual min=-0.019417 max=0.024465 Jy/beam ! Clean residual mean=-0.000036 rms=0.005833 Jy/beam ! Combined flux in latest and established models = 0.952468 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 32 components and 0.952468 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070848Jy sigma=0.000735 ! Fit after self-cal, rms=0.070710Jy sigma=0.000734 ! 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) ! Added new window around map position (-0.4, 60.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0206541 Jy ! Component: 100 - total flux cleaned = 0.0263533 Jy ! Total flux subtracted in 100 components = 0.0263533 Jy ! Clean residual min=-0.015054 max=0.017810 Jy/beam ! Clean residual mean=-0.000018 rms=0.004633 Jy/beam ! Combined flux in latest and established models = 0.978822 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 52 components and 0.978822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066189Jy sigma=0.000655 ! Fit after self-cal, rms=0.063836Jy sigma=0.000639 ! Inverting map and beam ! Estimated beam: bmin=4.644 mas, bmaj=11.23 mas, bpa=-11.32 degrees ! Estimated noise=7466.45 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 (-98.4, -80.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0127121 Jy ! Component: 100 - total flux cleaned = 0.0181377 Jy ! Total flux subtracted in 100 components = 0.0181377 Jy ! Clean residual min=-0.011815 max=0.012997 Jy/beam ! Clean residual mean=0.000000 rms=0.003388 Jy/beam ! Combined flux in latest and established models = 0.996959 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 77 components and 0.996959 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060398Jy sigma=0.000573 ! Fit after self-cal, rms=0.060196Jy sigma=0.000571 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0919-260_S ! Writing UV FITS file: 0919-260_S.uvf ! Writing 77 model components to file: 0919-260_S.mod ! wwins: Wrote 3 windows to 0919-260_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.644 x 11.23 at -11.32 degrees (North through East) ! Clean map min=-0.011704 max=0.80873 Jy/beam ! Writing clean map to FITS file: 0919-260_S.fits ! Writing difmap environment to: 0919-260_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0919-260_S] device 0919-260_Suv.ps/vps,1,2 ! Attempting to open device: '0919-260_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0919-260_Sim.ps/vps ! Attempting to open device: '0919-260_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=4.644 mas, bmaj=11.23 mas, bpa=-11.32 degrees ! Estimated noise=7466.45 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.644 x 11.23 at -11.32 degrees (North through East) ! Clean map min=-0.011704 max=0.80873 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.4] quit ! Quitting program ! Log file 0919-260_S.log closed on Tue Apr 29 23:14:57 2008