! Started logfile: 1451-375_S.log on Thu Aug 21 15:23:56 2008 observe 1451-375_S.edt ! Reading UV FITS file: 1451-375_S.edt ! AN table 1: 9 integrations on 171 of 171 possible baselines. ! AN table 2: 8 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0512556 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 1615 lines of history. ! ! Reading 596 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 156 telescope corrections were flagged in sub-array 1. ! A total of 112 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 156 telescope corrections were flagged in sub-array 1. ! A total of 112 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 156 telescope corrections were flagged in sub-array 1. ! A total of 112 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 156 telescope corrections were flagged in sub-array 1. ! A total of 112 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.258635Jy sigma=3.282823 ! Fit after self-cal, rms=0.258593Jy sigma=3.282793 ! 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=2.496 mas, bmaj=13.14 mas, bpa=13.99 degrees ! Estimated noise=3.41946 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 = 0.607105 Jy ! Total flux subtracted in 50 components = 0.607105 Jy ! Clean residual min=-0.062041 max=0.169310 Jy/beam ! Clean residual mean=-0.000317 rms=0.028670 Jy/beam ! Combined flux in latest and established models = 0.607105 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 0.607105 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.307017Jy sigma=3.682897 ! Fit after self-cal, rms=0.307017Jy sigma=3.682897 ! 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=2.993 mas, bmaj=15.96 mas, bpa=11.74 degrees ! Estimated noise=2.88587 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 = 0.179176 Jy ! Component: 100 - total flux cleaned = 0.247825 Jy ! Total flux subtracted in 100 components = 0.247825 Jy ! Clean residual min=-0.027738 max=0.041165 Jy/beam ! Clean residual mean=0.000826 rms=0.011589 Jy/beam ! Combined flux in latest and established models = 0.85493 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 0.85493 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185612Jy sigma=1.949278 ! Fit after self-cal, rms=0.185601Jy sigma=1.948174 ! 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 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 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 1.06 GC 1.00* HH 1.00* ! HN 1.00* KK 0.84 KP 0.98 LA 1.06 ! MA 1.00* MK 0.98 NL 1.00* NY 1.00* ! OV 0.99 PT 1.09 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 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 1.02 GC 1.00* HH 1.00* ! HN 1.00* KK 0.88 KP 0.99 LA 1.06 ! MA 1.00* MK 1.17 NL 1.00* NY 1.00* ! OV 0.91 PT 0.88 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 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 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 0.82 KP 1.15 LA 0.97 ! MA 1.00* MK 0.95 NL 1.00* NY 1.00* ! OV 1.06 PT 0.95 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 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 0.87 GC 1.00* HH 1.00* ! HN 1.00* KK 0.99 KP 1.13 LA 0.78 ! MA 1.00* MK 0.98 NL 1.00* NY 1.00* ! OV 0.91 PT 0.91 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.185601Jy sigma=1.948174 ! Fit after self-cal, rms=0.137438Jy sigma=1.392554 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.368 mas, bmaj=29.14 mas, bpa=4.472 degrees ! Estimated noise=3.05133 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 = 0.0289547 Jy ! Component: 100 - total flux cleaned = 0.0330602 Jy ! Total flux subtracted in 100 components = 0.0330602 Jy ! Clean residual min=-0.014752 max=0.018019 Jy/beam ! Clean residual mean=0.000347 rms=0.006128 Jy/beam ! Combined flux in latest and established models = 0.88799 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 55 components and 0.88799 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130769Jy sigma=1.316094 ! Fit after self-cal, rms=0.130644Jy sigma=1.314675 ! 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 = 0.00299434 Jy ! Component: 100 - total flux cleaned = 0.00461709 Jy ! Total flux subtracted in 100 components = 0.00461709 Jy ! Clean residual min=-0.015639 max=0.017872 Jy/beam ! Clean residual mean=0.000285 rms=0.006060 Jy/beam ! Combined flux in latest and established models = 0.892607 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 61 components and 0.892607 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129903Jy sigma=1.314178 ! Fit after self-cal, rms=0.123327Jy sigma=1.218667 ! Inverting map and beam ! Estimated beam: bmin=3.322 mas, bmaj=29.28 mas, bpa=4.415 degrees ! Estimated noise=3.02921 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 = 0.0127246 Jy ! Component: 100 - total flux cleaned = 0.0127277 Jy ! Total flux subtracted in 100 components = 0.0127277 Jy ! Clean residual min=-0.011363 max=0.014529 Jy/beam ! Clean residual mean=0.000729 rms=0.004287 Jy/beam ! Combined flux in latest and established models = 0.905335 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 71 components and 0.905335 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.121176Jy sigma=1.189326 ! Fit after self-cal, rms=0.121144Jy sigma=1.188713 ! 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 71 model components to file: 1451-375_S.mod ! wwins: Wrote 1 windows to 1451-375_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.322 x 29.28 at 4.415 degrees (North through East) ! Clean map min=-0.01114 max=0.79465 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=3.322 mas, bmaj=29.28 mas, bpa=4.415 degrees ! Estimated noise=3.02921 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.322 x 29.28 at 4.415 degrees (North through East) ! Clean map min=-0.01114 max=0.79465 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1451-375_S.log closed on Thu Aug 21 15:24:03 2008