! Started logfile: 0208-512_S.log on Sun Jan 13 17:59:24 2008 observe 0208-512_S.edt ! Reading UV FITS file: 0208-512_S.edt ! AN table 1: 1 integrations on 136 of 136 possible baselines. ! AN table 2: 12 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0186652 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0208-512 ! ! 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 1251 lines of history. ! ! Reading 132 visibilities. ![@gonzo6-0.4-pw 0208-512_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 17 telescope corrections were flagged in sub-array 1. ! A total of 188 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 17 telescope corrections were flagged in sub-array 1. ! A total of 188 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 17 telescope corrections were flagged in sub-array 1. ! A total of 189 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 17 telescope corrections were flagged in sub-array 1. ! A total of 189 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.850529Jy sigma=0.008982 ! Fit after self-cal, rms=0.858522Jy sigma=0.009068 ! 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=2.274 mas, bmaj=55.57 mas, bpa=-7.761 degrees ! Estimated noise=8624.85 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 = 1.39305 Jy ! Total flux subtracted in 50 components = 1.39305 Jy ! Clean residual min=-0.274993 max=0.388493 Jy/beam ! Clean residual mean=0.008118 rms=0.134438 Jy/beam ! Combined flux in latest and established models = 1.39305 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 1.39305 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.513577Jy sigma=0.005449 ! Fit after self-cal, rms=0.513577Jy sigma=0.005449 ! 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=2.313 mas, bmaj=53.45 mas, bpa=-7.967 degrees ! Estimated noise=7333.51 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 = 0.350255 Jy ! Component: 100 - total flux cleaned = 0.539087 Jy ! Total flux subtracted in 100 components = 0.539087 Jy ! Clean residual min=-0.108124 max=0.100045 Jy/beam ! Clean residual mean=0.003228 rms=0.048571 Jy/beam ! Combined flux in latest and established models = 1.93214 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 1.93214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201813Jy sigma=0.002196 ! Fit after self-cal, rms=0.201721Jy sigma=0.002194 ! 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* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 GC 1.00* HN 1.00* ! KK 0.99 KP 0.97 LA 1.00* MC 1.00* ! MK 0.95 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 1.00* WF 1.00* ! 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 1.00* FD 1.00 GC 1.00* HN 1.00* ! KK 1.00 KP 0.99 LA 1.00* MC 1.00* ! MK 0.90 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 1.00* WF 1.00* ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.04 GC 1.00* HN 1.00* ! KK 0.98 KP 0.95 LA 1.00* MC 1.00* ! MK 0.91 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 1.00* WF 1.00* ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 GC 1.00* HN 1.00* ! KK 0.94 KP 0.99 LA 1.00* MC 1.00* ! MK 0.93 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 1.00* SC 1.00* WF 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.201721Jy sigma=0.002194 ! Fit after self-cal, rms=0.155535Jy sigma=0.001690 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.318 mas, bmaj=54.72 mas, bpa=-8.014 degrees ! Estimated noise=7067.01 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 = 0.0933741 Jy ! Component: 100 - total flux cleaned = 0.120288 Jy ! Total flux subtracted in 100 components = 0.120288 Jy ! Clean residual min=-0.025148 max=0.025780 Jy/beam ! Clean residual mean=0.000407 rms=0.009589 Jy/beam ! Combined flux in latest and established models = 2.05243 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 51 components and 2.05243 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.093399Jy sigma=0.001004 ! Fit after self-cal, rms=0.093317Jy sigma=0.001003 ! 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 = 0.0137332 Jy ! Component: 100 - total flux cleaned = 0.0208469 Jy ! Total flux subtracted in 100 components = 0.0208469 Jy ! Clean residual min=-0.019203 max=0.016179 Jy/beam ! Clean residual mean=0.000189 rms=0.005709 Jy/beam ! Combined flux in latest and established models = 2.07327 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 78 components and 2.07327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088322Jy sigma=0.000950 ! Fit after self-cal, rms=0.077601Jy sigma=0.000858 ! Inverting map and beam ! Estimated beam: bmin=2.314 mas, bmaj=54.72 mas, bpa=-8.017 degrees ! Estimated noise=7011.63 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 = 0.0133043 Jy ! Component: 100 - total flux cleaned = 0.0112752 Jy ! Total flux subtracted in 100 components = 0.0112752 Jy ! Clean residual min=-0.012270 max=0.009104 Jy/beam ! Clean residual mean=0.000087 rms=0.003135 Jy/beam ! Combined flux in latest and established models = 2.08455 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 95 components and 2.08455 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074523Jy sigma=0.000825 ! Fit after self-cal, rms=0.074491Jy sigma=0.000825 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0208-512_S ! Writing UV FITS file: 0208-512_S.uvf ! Writing 95 model components to file: 0208-512_S.mod ! wwins: Wrote 1 windows to 0208-512_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.314 x 54.72 at -8.017 degrees (North through East) ! Clean map min=-0.012679 max=1.709 Jy/beam ! Writing clean map to FITS file: 0208-512_S.fits ! Writing difmap environment to: 0208-512_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0208-512_S] device 0208-512_Suv.ps/vps,1,2 ! Attempting to open device: '0208-512_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0208-512_Sim.ps/vps ! Attempting to open device: '0208-512_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=2.314 mas, bmaj=54.72 mas, bpa=-8.017 degrees ! Estimated noise=7011.63 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.314 x 54.72 at -8.017 degrees (North through East) ! Clean map min=-0.012679 max=1.709 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.4-pw] quit ! Quitting program ! Log file 0208-512_S.log closed on Sun Jan 13 17:59:29 2008