! Started logfile: 2121+053_S.log on Mon Aug 25 12:40:59 2008 observe 2121+053_S.edt ! Reading UV FITS file: 2121+053_S.edt ! AN table 1: 32 integrations on 171 of 171 possible baselines. ! AN table 2: 16 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.132432 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 2121+053 ! ! 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 1615 lines of history. ! ! Reading 4348 visibilities. ![@gonzo8-0.4 2121+053_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 = 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 0.400x0.400 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 446 telescope corrections were flagged in sub-array 1. ! A total of 276 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 446 telescope corrections were flagged in sub-array 1. ! A total of 291 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 446 telescope corrections were flagged in sub-array 1. ! A total of 273 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 447 telescope corrections were flagged in sub-array 1. ! A total of 276 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.191602Jy sigma=21.998397 ! Fit after self-cal, rms=1.189300Jy sigma=22.085726 ! 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=2.587 mas, bmaj=6.638 mas, bpa=-1.882 degrees ! Estimated noise=1.31511 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 = 1.67697 Jy ! Total flux subtracted in 50 components = 1.67697 Jy ! Clean residual min=-0.104596 max=0.467704 Jy/beam ! Clean residual mean=0.000974 rms=0.041436 Jy/beam ! Combined flux in latest and established models = 1.67697 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 1.67697 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.558964Jy sigma=9.998887 ! Fit after self-cal, rms=0.558964Jy sigma=9.998880 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.365688 Jy ! Total flux subtracted in 50 components = 0.365688 Jy ! Clean residual min=-0.055334 max=0.101990 Jy/beam ! Clean residual mean=0.000031 rms=0.019635 Jy/beam ! Combined flux in latest and established models = 2.04265 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 2.04265 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.313754Jy sigma=5.564292 ! Fit after self-cal, rms=0.313754Jy sigma=5.564292 ! 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=3.113 mas, bmaj=8.571 mas, bpa=-7.341 degrees ! Estimated noise=0.80355 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 = 0.0731095 Jy ! Component: 100 - total flux cleaned = 0.0855988 Jy ! Total flux subtracted in 100 components = 0.0855988 Jy ! Clean residual min=-0.050298 max=0.057975 Jy/beam ! Clean residual mean=-0.001256 rms=0.014149 Jy/beam ! Combined flux in latest and established models = 2.12825 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 2.12825 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.293963Jy sigma=5.356724 ! Fit after self-cal, rms=0.293950Jy sigma=5.356617 ! 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 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.12 GC 1.00* HH 1.00* ! HN 0.95 KK 1.00* KP 0.91 LA 1.10 ! MA 1.00* MK 0.92 NL 0.94 NY 1.00* ! OV 1.04 PT 1.04 SC 0.83 TS 1.00* ! WF 1.03 WZ 1.00* GG 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.44 HH 1.00* ! HN 1.00* KK 0.81 KP 1.00* LA 1.00* ! MA 1.00* MK 0.99 NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 1.00* TS 1.30 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.03 GC 1.00* HH 1.00* ! HN 1.03 KK 1.00* KP 1.04 LA 1.11 ! MA 1.00* MK 0.96 NL 1.07 NY 1.00* ! OV 0.97 PT 0.89 SC 1.01 TS 1.00* ! WF 0.99 WZ 1.00* GG 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 0.59 HH 1.00* ! HN 1.00* KK 0.85 KP 1.00* LA 1.00* ! MA 1.00* MK 1.05 NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 1.00* TS 1.26 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.98 GC 1.00* HH 1.00* ! HN 1.26 KK 1.00* KP 1.13 LA 0.92 ! MA 1.00* MK 0.97 NL 0.96 NY 1.00* ! OV 1.05 PT 0.91 SC 1.04 TS 1.00* ! WF 1.09 WZ 1.00* GG 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 0.84 HH 1.00* ! HN 1.00* KK 0.88 KP 1.00* LA 1.00* ! MA 1.00* MK 0.99 NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 1.00* TS 1.35 ! WF 1.00* WZ 1.00* GG 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 0.96 FD 0.88 GC 1.00* HH 1.00* ! HN 1.18 KK 1.00* KP 1.10 LA 0.79 ! MA 1.00* MK 0.90 NL 0.98 NY 1.00* ! OV 0.97 PT 0.98 SC 1.09 TS 1.00* ! WF 1.08 WZ 1.00* GG 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.46 HH 1.00* ! HN 1.00* KK 0.93 KP 1.00* LA 1.00* ! MA 1.00* MK 0.94 NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 1.00* TS 1.40 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.293950Jy sigma=5.356617 ! Fit after self-cal, rms=0.104578Jy sigma=1.544974 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.102 mas, bmaj=8.732 mas, bpa=-7.83 degrees ! Estimated noise=0.801925 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 = 0.00554204 Jy ! Component: 100 - total flux cleaned = 0.00554072 Jy ! Total flux subtracted in 100 components = 0.00554072 Jy ! Clean residual min=-0.005926 max=0.009734 Jy/beam ! Clean residual mean=0.000337 rms=0.001856 Jy/beam ! Combined flux in latest and established models = 2.13379 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 21 components and 2.13379 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.104079Jy sigma=1.539528 ! Fit after self-cal, rms=0.104023Jy sigma=1.538976 ! 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 = -0.000550193 Jy ! Component: 100 - total flux cleaned = -0.000777453 Jy ! Total flux subtracted in 100 components = -0.000777453 Jy ! Clean residual min=-0.005547 max=0.009407 Jy/beam ! Clean residual mean=0.000342 rms=0.001821 Jy/beam ! Combined flux in latest and established models = 2.13302 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 24 components and 2.13302 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.103829Jy sigma=1.536676 ! Fit after self-cal, rms=0.094643Jy sigma=1.307848 ! Inverting map and beam ! Estimated beam: bmin=3.099 mas, bmaj=8.731 mas, bpa=-7.847 degrees ! Estimated noise=0.802523 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 = 0.00396674 Jy ! Component: 100 - total flux cleaned = 0.00456259 Jy ! Total flux subtracted in 100 components = 0.00456259 Jy ! Clean residual min=-0.005039 max=0.008750 Jy/beam ! Clean residual mean=0.000314 rms=0.001649 Jy/beam ! Combined flux in latest and established models = 2.13758 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 27 components and 2.13758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.094351Jy sigma=1.304421 ! Fit after self-cal, rms=0.094328Jy sigma=1.304274 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 2121+053_S ! Writing UV FITS file: 2121+053_S.uvf ! Writing 27 model components to file: 2121+053_S.mod ! wwins: Wrote 1 windows to 2121+053_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.099 x 8.731 at -7.847 degrees (North through East) ! Clean map min=-0.0048798 max=2.122 Jy/beam ! Writing clean map to FITS file: 2121+053_S.fits ! Writing difmap environment to: 2121+053_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 2121+053_S] device 2121+053_Suv.ps/vps,1,2 ! Attempting to open device: '2121+053_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 2121+053_Sim.ps/vps ! Attempting to open device: '2121+053_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=3.099 mas, bmaj=8.731 mas, bpa=-7.847 degrees ! Estimated noise=0.802523 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.099 x 8.731 at -7.847 degrees (North through East) ! Clean map min=-0.0048798 max=2.122 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.4] quit ! Quitting program ! Log file 2121+053_S.log closed on Mon Aug 25 12:41:06 2008