! Started logfile: 0919-260_X.log on Wed May 14 12:00:05 2008 observe 0919-260_X.edt ! Reading UV FITS file: 0919-260_X.edt ! AN table 1: 8 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0506536 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 938 lines of history. ! ! Reading 248 visibilities. ![@gonzo8-0.1-pw 0919-260_X] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.1 integer clean_niter clean_niter = 50 float clean_gain clean_gain = 0.03 float dynam dynam = 8.0 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 0.100x0.100 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 118 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 118 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 118 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 119 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.324799Jy sigma=0.004328 ! Fit after self-cal, rms=0.324113Jy sigma=0.004334 ! 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 peakw win_mult ! Inverting map and beam ! Estimated beam: bmin=1.222 mas, bmaj=3.232 mas, bpa=-14.09 degrees ! Estimated noise=6781.82 mJy/beam. ! Added new window around map position (0, 0). 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=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.934535 Jy ! Total flux subtracted in 50 components = 0.934535 Jy ! Clean residual min=-0.104313 max=0.260623 Jy/beam ! Clean residual mean=0.000092 rms=0.047100 Jy/beam ! Combined flux in latest and established models = 0.934535 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 0.934535 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.374450Jy sigma=0.004955 ! Fit after self-cal, rms=0.374451Jy sigma=0.004955 ! 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=1.466 mas, bmaj=3.619 mas, bpa=-14.89 degrees ! Estimated noise=5329.67 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 = 0.29205 Jy ! Component: 100 - total flux cleaned = 0.411767 Jy ! Total flux subtracted in 100 components = 0.411767 Jy ! Clean residual min=-0.053856 max=0.086068 Jy/beam ! Clean residual mean=0.000170 rms=0.025424 Jy/beam ! Combined flux in latest and established models = 1.3463 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 33 model components to the UV plane model. ! The established model now contains 33 components and 1.3463 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153855Jy sigma=0.001777 ! Fit after self-cal, rms=0.153433Jy sigma=0.001770 ! 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 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 0.94 LA 0.97 ! MC 1.00* MK 1.00* NL 1.17 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.01 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 0.94 LA 0.95 ! MC 1.00* MK 1.00* NL 1.11 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 0.98 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 0.94 KK 1.00* KP 1.03 LA 0.94 ! MC 1.00* MK 1.00* NL 1.12 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.00 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 0.99 LA 0.92 ! MC 1.00* MK 1.00* NL 1.10 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.12 ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.153433Jy sigma=0.001770 ! Fit after self-cal, rms=0.107918Jy sigma=0.000881 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.196 mas, bmaj=3.317 mas, bpa=-15.75 degrees ! Estimated noise=7063.8 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 = -0.00307627 Jy ! Component: 100 - total flux cleaned = -0.00560505 Jy ! Total flux subtracted in 100 components = -0.00560505 Jy ! Clean residual min=-0.024781 max=0.026727 Jy/beam ! Clean residual mean=-0.000081 rms=0.007593 Jy/beam ! Combined flux in latest and established models = 1.3407 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 45 components and 1.3407 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105292Jy sigma=0.000857 ! Fit after self-cal, rms=0.105328Jy sigma=0.000856 ! 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 = -0.000213555 Jy ! Component: 100 - total flux cleaned = -0.00218142 Jy ! Total flux subtracted in 100 components = -0.00218142 Jy ! Clean residual min=-0.025063 max=0.025500 Jy/beam ! Clean residual mean=-0.000086 rms=0.007349 Jy/beam ! Combined flux in latest and established models = 1.33852 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 61 components and 1.33852 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.104672Jy sigma=0.000850 ! Fit after self-cal, rms=0.103798Jy sigma=0.000844 ! Inverting map and beam ! Estimated beam: bmin=1.195 mas, bmaj=3.317 mas, bpa=-15.84 degrees ! Estimated noise=7079.33 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 = 0.00274383 Jy ! Component: 100 - total flux cleaned = 0.00273978 Jy ! Total flux subtracted in 100 components = 0.00273978 Jy ! Clean residual min=-0.024713 max=0.025189 Jy/beam ! Clean residual mean=-0.000092 rms=0.007162 Jy/beam ! Combined flux in latest and established models = 1.34126 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 71 components and 1.34126 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.103236Jy sigma=0.000840 ! Fit after self-cal, rms=0.103257Jy sigma=0.000839 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0919-260_X ! Writing UV FITS file: 0919-260_X.uvf ! Writing 71 model components to file: 0919-260_X.mod ! wwins: Wrote 1 windows to 0919-260_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.195 x 3.317 at -15.84 degrees (North through East) ! Clean map min=-0.024507 max=1.1971 Jy/beam ! Writing clean map to FITS file: 0919-260_X.fits ! Writing difmap environment to: 0919-260_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0919-260_X] device 0919-260_Xuv.ps/vps,1,2 ! Attempting to open device: '0919-260_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0919-260_Xim.ps/vps ! Attempting to open device: '0919-260_Xim.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=1.195 mas, bmaj=3.317 mas, bpa=-15.84 degrees ! Estimated noise=7079.33 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.195 x 3.317 at -15.84 degrees (North through East) ! Clean map min=-0.024507 max=1.1971 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1-pw] quit ! Quitting program ! Log file 0919-260_X.log closed on Wed May 14 12:00:13 2008