! Started logfile: CTA26_S.log on Thu May 8 12:55:50 2008 observe CTA26_S.edt ! Reading UV FITS file: CTA26_S.edt ! AN table 1: 19 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.128655 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: CTA26 ! ! 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 1496 visibilities. ![@gonzo5-0.4 CTA26_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 = 5.0 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 303 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 305 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 258 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 278 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.794254Jy sigma=0.009236 ! Fit after self-cal, rms=0.794134Jy sigma=0.009241 ! 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=3.223 mas, bmaj=6.875 mas, bpa=12.09 degrees ! Estimated noise=3973.77 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 = 1.24649 Jy ! Total flux subtracted in 50 components = 1.24649 Jy ! Clean residual min=-0.123481 max=0.385823 Jy/beam ! Clean residual mean=-0.000391 rms=0.042835 Jy/beam ! Combined flux in latest and established models = 1.24649 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 1.24649 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.589339Jy sigma=0.006866 ! Fit after self-cal, rms=0.589301Jy sigma=0.006865 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.388739 Jy ! Total flux subtracted in 50 components = 0.388739 Jy ! Clean residual min=-0.061279 max=0.166107 Jy/beam ! Clean residual mean=-0.000197 rms=0.020510 Jy/beam ! Combined flux in latest and established models = 1.63523 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 14 components and 1.63523 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295163Jy sigma=0.003414 ! Fit after self-cal, rms=0.294867Jy sigma=0.003411 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.176873 Jy ! Total flux subtracted in 50 components = 0.176873 Jy ! Clean residual min=-0.033411 max=0.078997 Jy/beam ! Clean residual mean=-0.000110 rms=0.011406 Jy/beam ! Combined flux in latest and established models = 1.8121 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 20 components and 1.8121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180806Jy sigma=0.002037 ! Fit after self-cal, rms=0.180439Jy sigma=0.002033 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0852363 Jy ! Total flux subtracted in 50 components = 0.0852363 Jy ! Clean residual min=-0.026543 max=0.039160 Jy/beam ! Clean residual mean=-0.000068 rms=0.007969 Jy/beam ! Combined flux in latest and established models = 1.89734 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 30 components and 1.89734 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139804Jy sigma=0.001523 ! Fit after self-cal, rms=0.139543Jy sigma=0.001519 ! Inverting map ! Added new window around map position (3.2, 1.6). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0454219 Jy ! Total flux subtracted in 50 components = 0.0454219 Jy ! Clean residual min=-0.024841 max=0.024199 Jy/beam ! Clean residual mean=-0.000047 rms=0.006732 Jy/beam ! Combined flux in latest and established models = 1.94276 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 39 components and 1.94276 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125551Jy sigma=0.001340 ! Fit after self-cal, rms=0.125362Jy sigma=0.001337 ! 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=3.964 mas, bmaj=8.279 mas, bpa=11.18 degrees ! Estimated noise=2786.26 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 = 0.034911 Jy ! Component: 100 - total flux cleaned = 0.0512302 Jy ! Total flux subtracted in 100 components = 0.0512302 Jy ! Clean residual min=-0.020091 max=0.019276 Jy/beam ! Clean residual mean=-0.000020 rms=0.005749 Jy/beam ! Combined flux in latest and established models = 1.99399 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 61 components and 1.99399 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.117439Jy sigma=0.001229 ! Fit after self-cal, rms=0.117377Jy sigma=0.001228 ! 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 1.00 FD 1.00 GC 1.01 HH 1.00* ! HN 1.00 KK 1.01 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 0.99 SC 1.02 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00* GC 1.01 HH 1.00* ! HN 1.00 KK 1.01 KP 0.99 LA 0.99 ! MC 1.00* MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 0.99 PT 0.99 SC 1.02 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 GC 1.01 HH 1.00* ! HN 1.00 KK 1.02 KP 0.99 LA 0.99 ! MC 1.00* MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 0.99 PT 0.99 SC 1.03 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! 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 1.01 HH 1.00* ! HN 1.01 KK 1.02 KP 0.99 LA 1.00* ! MC 1.00* MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 0.99 PT 0.99 SC 1.02 ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.117377Jy sigma=0.001228 ! Fit after self-cal, rms=0.116014Jy sigma=0.001212 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.981 mas, bmaj=8.309 mas, bpa=11.08 degrees ! Estimated noise=2785.42 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 = 0.00225487 Jy ! Component: 100 - total flux cleaned = 0.00201937 Jy ! Total flux subtracted in 100 components = 0.00201937 Jy ! Clean residual min=-0.019199 max=0.017980 Jy/beam ! Clean residual mean=-0.000007 rms=0.005455 Jy/beam ! Combined flux in latest and established models = 1.99601 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 66 components and 1.99601 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.115587Jy sigma=0.001204 ! Fit after self-cal, rms=0.115569Jy sigma=0.001204 ! 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 = 0.000433538 Jy ! Component: 100 - total flux cleaned = 0.000589285 Jy ! Total flux subtracted in 100 components = 0.000589285 Jy ! Clean residual min=-0.018930 max=0.017882 Jy/beam ! Clean residual mean=-0.000008 rms=0.005403 Jy/beam ! Combined flux in latest and established models = 1.9966 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 71 components and 1.9966 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.115432Jy sigma=0.001201 ! Fit after self-cal, rms=0.114753Jy sigma=0.001193 ! Inverting map and beam ! Estimated beam: bmin=3.986 mas, bmaj=8.319 mas, bpa=11.06 degrees ! Estimated noise=2785.76 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 = -0.000996551 Jy ! Component: 100 - total flux cleaned = -0.000865106 Jy ! Total flux subtracted in 100 components = -0.000865106 Jy ! Clean residual min=-0.018654 max=0.017863 Jy/beam ! Clean residual mean=-0.000016 rms=0.005330 Jy/beam ! Combined flux in latest and established models = 1.99573 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 75 components and 1.99573 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.114618Jy sigma=0.001191 ! Fit after self-cal, rms=0.114615Jy sigma=0.001191 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save CTA26_S ! Writing UV FITS file: CTA26_S.uvf ! Writing 75 model components to file: CTA26_S.mod ! wwins: Wrote 2 windows to CTA26_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.986 x 8.319 at 11.06 degrees (North through East) ! Clean map min=-0.01858 max=1.6728 Jy/beam ! Writing clean map to FITS file: CTA26_S.fits ! Writing difmap environment to: CTA26_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot CTA26_S] device CTA26_Suv.ps/vps,1,2 ! Attempting to open device: 'CTA26_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device CTA26_Sim.ps/vps ! Attempting to open device: 'CTA26_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=3.986 mas, bmaj=8.319 mas, bpa=11.06 degrees ! Estimated noise=2785.76 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.986 x 8.319 at 11.06 degrees (North through East) ! Clean map min=-0.01858 max=1.6728 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo5-0.4] quit ! Quitting program ! Log file CTA26_S.log closed on Thu May 8 12:55:55 2008