! Started logfile: 0919-260_X.log on Mon Mar 3 23:24:34 2008 observe 0919-260_X.edt ! Reading UV FITS file: 0919-260_X.edt ! AN table 1: 20 integrations on 136 of 136 possible baselines. ! AN table 2: 28 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.139859 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 1214 lines of history. ! ! Reading 3652 visibilities. ![@gonzo8-0.1 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 340 telescope corrections were flagged in sub-array 1. ! A total of 298 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 340 telescope corrections were flagged in sub-array 1. ! A total of 297 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 340 telescope corrections were flagged in sub-array 1. ! A total of 301 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 340 telescope corrections were flagged in sub-array 1. ! A total of 301 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.399604Jy sigma=0.006845 ! Fit after self-cal, rms=0.399096Jy sigma=0.006846 ! 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=0.6424 mas, bmaj=1.908 mas, bpa=-13.53 degrees ! Estimated noise=1202.91 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 = 0.956418 Jy ! Total flux subtracted in 50 components = 0.956418 Jy ! Clean residual min=-0.072998 max=0.266744 Jy/beam ! Clean residual mean=-0.001330 rms=0.031241 Jy/beam ! Combined flux in latest and established models = 0.956418 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 0.956418 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.433459Jy sigma=0.007454 ! Fit after self-cal, rms=0.433459Jy sigma=0.007454 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.260165 Jy ! Total flux subtracted in 50 components = 0.260165 Jy ! Clean residual min=-0.043501 max=0.117476 Jy/beam ! Clean residual mean=-0.000780 rms=0.017359 Jy/beam ! Combined flux in latest and established models = 1.21658 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 1.21658 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.251799Jy sigma=0.004161 ! Fit after self-cal, rms=0.251784Jy sigma=0.004161 ! 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=0.8076 mas, bmaj=2.298 mas, bpa=-9.891 degrees ! Estimated noise=785.381 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 = 0.164301 Jy ! Component: 100 - total flux cleaned = 0.242896 Jy ! Total flux subtracted in 100 components = 0.242896 Jy ! Clean residual min=-0.021975 max=0.050100 Jy/beam ! Clean residual mean=-0.000467 rms=0.008606 Jy/beam ! Combined flux in latest and established models = 1.45948 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 46 components and 1.45948 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135851Jy sigma=0.001878 ! Fit after self-cal, rms=0.135232Jy sigma=0.001872 ! 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* HN 0.00* ! KK 0.00* KP 0.00* LA 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* WF 0.00* ! WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.99 GC 1.00* HN 1.05 ! KK 1.00* KP 0.97 LA 0.98 MC 1.00* ! MK 1.03 NL 0.89 NY 1.00* ON 1.00* ! OV 1.01 PT 0.96 SC 1.01 WF 1.06 ! WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 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* WF 0.00* ! WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.98 GC 1.00* HN 1.05 ! KK 1.00* KP 0.98 LA 1.00 MC 1.00* ! MK 1.03 NL 0.86 NY 1.00* ON 1.00* ! OV 0.99 PT 0.96 SC 1.01 WF 1.06 ! WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 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* WF 0.00* ! WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.99 GC 1.00* HN 1.06 ! KK 1.00* KP 0.96 LA 0.98 MC 1.00* ! MK 1.04 NL 0.85 NY 1.00* ON 1.00* ! OV 1.01 PT 0.95 SC 1.03 WF 1.06 ! WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 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* WF 0.00* ! WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.00 GC 1.00* HN 1.05 ! KK 1.00* KP 0.98 LA 0.98 MC 1.00* ! MK 1.01 NL 0.89 NY 1.00* ON 1.00* ! OV 0.99 PT 0.94 SC 1.00 WF 1.06 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.135232Jy sigma=0.001872 ! Fit after self-cal, rms=0.093959Jy sigma=0.001347 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8219 mas, bmaj=2.322 mas, bpa=-9.753 degrees ! Estimated noise=767.548 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 (-13.2, 22.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0249108 Jy ! Component: 100 - total flux cleaned = 0.0297668 Jy ! Total flux subtracted in 100 components = 0.0297668 Jy ! Clean residual min=-0.009908 max=0.017025 Jy/beam ! Clean residual mean=-0.000051 rms=0.002952 Jy/beam ! Combined flux in latest and established models = 1.48925 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 62 components and 1.48925 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087210Jy sigma=0.001242 ! Fit after self-cal, rms=0.086654Jy sigma=0.001237 ! 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 = 0.00255005 Jy ! Component: 100 - total flux cleaned = 0.00413418 Jy ! Total flux subtracted in 100 components = 0.00413418 Jy ! Clean residual min=-0.010501 max=0.015333 Jy/beam ! Clean residual mean=-0.000032 rms=0.002764 Jy/beam ! Combined flux in latest and established models = 1.49338 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 72 components and 1.49338 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085872Jy sigma=0.001229 ! Fit after self-cal, rms=0.084006Jy sigma=0.001203 ! Inverting map and beam ! Estimated beam: bmin=0.8204 mas, bmaj=2.321 mas, bpa=-9.782 degrees ! Estimated noise=765.407 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 = 0.00536353 Jy ! Component: 100 - total flux cleaned = 0.00628145 Jy ! Total flux subtracted in 100 components = 0.00628145 Jy ! Clean residual min=-0.008501 max=0.013868 Jy/beam ! Clean residual mean=-0.000042 rms=0.002469 Jy/beam ! Combined flux in latest and established models = 1.49966 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 90 components and 1.49966 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083434Jy sigma=0.001196 ! Fit after self-cal, rms=0.083339Jy sigma=0.001195 ! 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 90 model components to file: 0919-260_X.mod ! wwins: Wrote 2 windows to 0919-260_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8204 x 2.321 at -9.782 degrees (North through East) ! Clean map min=-0.0091266 max=1.2601 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=0.8204 mas, bmaj=2.321 mas, bpa=-9.782 degrees ! Estimated noise=765.407 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8204 x 2.321 at -9.782 degrees (North through East) ! Clean map min=-0.0091266 max=1.2601 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 0919-260_X.log closed on Mon Mar 3 23:24:38 2008