! Started logfile: 1451-375_S.log on Sun Jul 16 12:52:21 2006 observe 1451-375_S.edt ! Reading UV FITS file: 1451-375_S.edt ! AN table 1: 16 integrations on 190 of 190 possible baselines. ! AN table 2: 8 integrations on 190 of 190 possible baselines. ! AN table 3: 25 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0281418 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1451-375 ! ! 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 1588 lines of history. ! ! Reading 1048 visibilities. ![@gonzo7-0.4 1451-375_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 274 telescope corrections were flagged in sub-array 1. ! A total of 148 telescope corrections were flagged in sub-array 2. ! A total of 500 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 274 telescope corrections were flagged in sub-array 1. ! A total of 148 telescope corrections were flagged in sub-array 2. ! A total of 500 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 274 telescope corrections were flagged in sub-array 1. ! A total of 148 telescope corrections were flagged in sub-array 2. ! A total of 500 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 274 telescope corrections were flagged in sub-array 1. ! A total of 148 telescope corrections were flagged in sub-array 2. ! A total of 500 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.405998Jy sigma=0.004059 ! Fit after self-cal, rms=0.404369Jy sigma=0.004044 ! 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=2.181 mas, bmaj=6.758 mas, bpa=-4.317 degrees ! Estimated noise=4436.9 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 = 0.471265 Jy ! Total flux subtracted in 50 components = 0.471265 Jy ! Clean residual min=-0.055245 max=0.134282 Jy/beam ! Clean residual mean=-0.000621 rms=0.020359 Jy/beam ! Combined flux in latest and established models = 0.471265 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.471265 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249195Jy sigma=0.002824 ! Fit after self-cal, rms=0.249156Jy sigma=0.002821 ! 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=2.736 mas, bmaj=8.028 mas, bpa=1.958 degrees ! Estimated noise=2894.53 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 = 0.158411 Jy ! Component: 100 - total flux cleaned = 0.222293 Jy ! Total flux subtracted in 100 components = 0.222293 Jy ! Clean residual min=-0.031700 max=0.065851 Jy/beam ! Clean residual mean=-0.000303 rms=0.012700 Jy/beam ! Combined flux in latest and established models = 0.693558 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 21 components and 0.693558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158846Jy sigma=0.001594 ! Fit after self-cal, rms=0.158621Jy sigma=0.001589 ! 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 0.89 GC 1.00* HN 1.00* ! LA 0.99 NL 1.07 OV 0.91 SC 0.95 ! WF 1.39 GG 1.00* HH 1.00* KK 1.00* ! KP 0.85 MA 1.00* MC 1.00* MK 0.98 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.93 GC 1.00* HN 1.00* ! LA 1.05 NL 1.05 OV 0.89 SC 1.11 ! WF 1.38 GG 1.00* HH 1.00* KK 1.00* ! KP 0.92 MA 1.00* MC 1.00* MK 1.04 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.91 GC 1.00* HN 1.00* ! LA 1.02 NL 1.02 OV 0.97 SC 0.95 ! WF 1.20 GG 1.00* HH 1.00* KK 1.00* ! KP 0.93 MA 1.00* MC 1.00* MK 1.05 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 GC 1.00* HN 1.00* ! LA 1.14 NL 1.07 OV 0.93 SC 1.04 ! WF 1.25 GG 1.00* HH 1.00* KK 1.00* ! KP 0.96 MA 1.00* MC 1.00* MK 1.01 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.158621Jy sigma=0.001589 ! Fit after self-cal, rms=0.141546Jy sigma=0.001265 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.987 mas, bmaj=8.36 mas, bpa=-3.206 degrees ! Estimated noise=3059.36 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 (-5.6, -7.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0387373 Jy ! Component: 100 - total flux cleaned = 0.041999 Jy ! Total flux subtracted in 100 components = 0.041999 Jy ! Clean residual min=-0.016263 max=0.021734 Jy/beam ! Clean residual mean=0.000178 rms=0.004879 Jy/beam ! Combined flux in latest and established models = 0.735557 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 29 components and 0.735557 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131179Jy sigma=0.001146 ! Fit after self-cal, rms=0.130364Jy 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 = 0.00526817 Jy ! Component: 100 - total flux cleaned = 0.0077217 Jy ! Total flux subtracted in 100 components = 0.0077217 Jy ! Clean residual min=-0.015900 max=0.017025 Jy/beam ! Clean residual mean=0.000174 rms=0.004387 Jy/beam ! Combined flux in latest and established models = 0.743279 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 36 components and 0.743279 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.128883Jy sigma=0.001125 ! Fit after self-cal, rms=0.122035Jy sigma=0.001099 ! Inverting map and beam ! Estimated beam: bmin=2.973 mas, bmaj=8.336 mas, bpa=-3.055 degrees ! Estimated noise=3028.83 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 = 0.0101171 Jy ! Component: 100 - total flux cleaned = 0.0117925 Jy ! Total flux subtracted in 100 components = 0.0117925 Jy ! Clean residual min=-0.013282 max=0.012575 Jy/beam ! Clean residual mean=0.000112 rms=0.003543 Jy/beam ! Combined flux in latest and established models = 0.755071 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 46 components and 0.755072 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.120920Jy sigma=0.001088 ! Fit after self-cal, rms=0.120807Jy sigma=0.001087 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1451-375_S ! Writing UV FITS file: 1451-375_S.uvf ! Writing 46 model components to file: 1451-375_S.mod ! wwins: Wrote 2 windows to 1451-375_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.973 x 8.336 at -3.055 degrees (North through East) ! Clean map min=-0.012339 max=0.6135 Jy/beam ! Writing clean map to FITS file: 1451-375_S.fits ! Writing difmap environment to: 1451-375_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1451-375_S] device 1451-375_Suv.ps/vps,1,2 ! Attempting to open device: '1451-375_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1451-375_Sim.ps/vps ! Attempting to open device: '1451-375_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=2.973 mas, bmaj=8.336 mas, bpa=-3.055 degrees ! Estimated noise=3028.83 mJy/beam. xyrange 0, 0, 0, 0 ! The mapplot display area will be limited to: ! Relative RA: (The whole available range) ! Relative DEC: (The whole available range) mapcolor grey ! Mapplot colormap: grey, contrast: 1 brightness: 0.5. docont=true mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.973 x 8.336 at -3.055 degrees (North through East) ! Clean map min=-0.012339 max=0.6135 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1451-375_S.log closed on Sun Jul 16 12:52:35 2006