! Started logfile: 1424-418_S.log on Thu Aug 21 15:05:08 2008 observe 1424-418_S.edt ! Reading UV FITS file: 1424-418_S.edt ! AN table 1: 5 integrations on 171 of 171 possible baselines. ! AN table 2: 3 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0255848 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1424-418 ! ! 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 140 visibilities. ![@gonzo7-0.4-pw 1424-418_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 80 telescope corrections were flagged in sub-array 1. ! A total of 57 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 80 telescope corrections were flagged in sub-array 1. ! A total of 57 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 80 telescope corrections were flagged in sub-array 1. ! A total of 57 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 80 telescope corrections were flagged in sub-array 1. ! A total of 57 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.342225Jy sigma=3.316014 ! Fit after self-cal, rms=0.342220Jy sigma=3.316013 ! 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=3.17 mas, bmaj=19.51 mas, bpa=-9.096 degrees ! Estimated noise=8.50356 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 = 0.65241 Jy ! Total flux subtracted in 50 components = 0.65241 Jy ! Clean residual min=-0.111567 max=0.182078 Jy/beam ! Clean residual mean=0.016893 rms=0.050750 Jy/beam ! Combined flux in latest and established models = 0.65241 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.65241 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.421502Jy sigma=4.217458 ! Fit after self-cal, rms=0.421612Jy sigma=4.216702 ! 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=3.586 mas, bmaj=21.02 mas, bpa=-7.66 degrees ! Estimated noise=6.60412 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 = 0.231432 Jy ! Component: 100 - total flux cleaned = 0.337317 Jy ! Total flux subtracted in 100 components = 0.337317 Jy ! Clean residual min=-0.091544 max=0.129377 Jy/beam ! Clean residual mean=0.016948 rms=0.041257 Jy/beam ! Combined flux in latest and established models = 0.989727 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 26 components and 0.989727 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.287705Jy sigma=2.706860 ! Fit after self-cal, rms=0.287872Jy sigma=2.704555 ! 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 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.00 LA 0.91 ! MA 1.00* MK 1.00* NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 0.83 TS 1.00* ! WF 1.12 WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.84 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.22 LA 0.96 ! MA 1.00* MK 1.00* NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 0.99 TS 1.00* ! WF 1.04 WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.85 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.46 LA 0.76 ! MA 1.00* MK 1.00* NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 1.22 TS 1.00* ! WF 0.92 WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.74 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.36 LA 0.69 ! MA 1.00* MK 1.00* NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 1.10 TS 1.00* ! WF 0.96 WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Fit before self-cal, rms=0.287872Jy sigma=2.704555 ! Fit after self-cal, rms=0.171119Jy sigma=1.554666 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.667 mas, bmaj=21.53 mas, bpa=-7.413 degrees ! Estimated noise=6.2628 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 = 0.0235078 Jy ! Component: 100 - total flux cleaned = 0.0301888 Jy ! Total flux subtracted in 100 components = 0.0301888 Jy ! Clean residual min=-0.034814 max=0.082311 Jy/beam ! Clean residual mean=0.003145 rms=0.017199 Jy/beam ! Combined flux in latest and established models = 1.01992 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 46 components and 1.01992 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161020Jy sigma=1.429630 ! Fit after self-cal, rms=0.160706Jy sigma=1.424203 ! 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 = 0.00302059 Jy ! Component: 100 - total flux cleaned = 0.00559852 Jy ! Total flux subtracted in 100 components = 0.00559852 Jy ! Clean residual min=-0.033053 max=0.072290 Jy/beam ! Clean residual mean=0.002945 rms=0.015516 Jy/beam ! Combined flux in latest and established models = 1.02551 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 57 components and 1.02551 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155709Jy sigma=1.371172 ! Fit after self-cal, rms=0.147856Jy sigma=1.350859 ! Inverting map and beam ! Estimated beam: bmin=3.652 mas, bmaj=21.35 mas, bpa=-7.468 degrees ! Estimated noise=6.16779 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 = 0.00998295 Jy ! Component: 100 - total flux cleaned = 0.0136649 Jy ! Total flux subtracted in 100 components = 0.0136649 Jy ! Clean residual min=-0.033350 max=0.062878 Jy/beam ! Clean residual mean=0.002486 rms=0.013609 Jy/beam ! Combined flux in latest and established models = 1.03918 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 66 components and 1.03918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144468Jy sigma=1.301190 ! Fit after self-cal, rms=0.144412Jy sigma=1.301059 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1424-418_S ! Writing UV FITS file: 1424-418_S.uvf ! Writing 66 model components to file: 1424-418_S.mod ! wwins: Wrote 1 windows to 1424-418_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.652 x 21.35 at -7.468 degrees (North through East) ! Clean map min=-0.033451 max=0.85636 Jy/beam ! Writing clean map to FITS file: 1424-418_S.fits ! Writing difmap environment to: 1424-418_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1424-418_S] device 1424-418_Suv.ps/vps,1,2 ! Attempting to open device: '1424-418_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1424-418_Sim.ps/vps ! Attempting to open device: '1424-418_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=3.652 mas, bmaj=21.35 mas, bpa=-7.468 degrees ! Estimated noise=6.16779 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.652 x 21.35 at -7.468 degrees (North through East) ! Clean map min=-0.033451 max=0.85636 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4-pw] quit ! Quitting program ! Log file 1424-418_S.log closed on Thu Aug 21 15:05:14 2008