! Started logfile: 1424-418_X.log on Tue Aug 12 16:44:13 2008 observe 1424-418_X.edt ! Reading UV FITS file: 1424-418_X.edt ! AN table 1: 13 integrations on 171 of 171 possible baselines. ! AN table 2: 3 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0157164 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1526 lines of history. ! ! Reading 172 visibilities. ![@gonzo6-0.1-pw 1424-418_X] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.1 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 0.100x0.100 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 232 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 232 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 232 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 232 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=0.574297Jy sigma=9.767289 ! Fit after self-cal, rms=0.574250Jy sigma=9.767279 ! 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=0.7864 mas, bmaj=5.639 mas, bpa=-7.843 degrees ! Estimated noise=8.07062 mJy/beam. ! Added new window around map position (0, -0.1). 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 = 0.331075 Jy ! Total flux subtracted in 50 components = 0.331075 Jy ! Clean residual min=-0.103660 max=0.130926 Jy/beam ! Clean residual mean=0.013183 rms=0.043769 Jy/beam ! Combined flux in latest and established models = 0.331075 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 7 components and 0.331075 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349425Jy sigma=3.970565 ! Fit after self-cal, rms=0.349027Jy sigma=3.967628 ! 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=0.8887 mas, bmaj=5.86 mas, bpa=-6.527 degrees ! Estimated noise=6.1382 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 = 0.217735 Jy ! Component: 100 - total flux cleaned = 0.338624 Jy ! Total flux subtracted in 100 components = 0.338624 Jy ! Clean residual min=-0.064362 max=0.073234 Jy/beam ! Clean residual mean=0.008024 rms=0.023621 Jy/beam ! Combined flux in latest and established models = 0.6697 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 22 components and 0.6697 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194763Jy sigma=2.135337 ! Fit after self-cal, rms=0.193752Jy sigma=2.106105 ! 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 0.81 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.13 LA 0.79 ! MA 1.00* MK 1.00* NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 1.17 TS 1.00* ! WF 1.06 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 0.94 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.86 LA 0.83 ! MA 1.00* MK 1.00* NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 0.90 TS 1.00* ! WF 0.99 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 0.91 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.87 LA 0.91 ! MA 1.00* MK 1.00* NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 0.97 TS 1.00* ! WF 0.99 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 1.17 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.76 LA 1.15 ! MA 1.00* MK 1.00* NL 1.00* NY 1.00* ! OV 1.00* PT 1.00* SC 0.78 TS 1.00* ! WF 1.05 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=0.193752Jy sigma=2.106105 ! Fit after self-cal, rms=0.146833Jy sigma=1.256190 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9114 mas, bmaj=5.921 mas, bpa=-6.511 degrees ! Estimated noise=5.51541 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 = 0.00279236 Jy ! Component: 100 - total flux cleaned = 0.00220165 Jy ! Total flux subtracted in 100 components = 0.00220165 Jy ! Clean residual min=-0.024854 max=0.029101 Jy/beam ! Clean residual mean=0.000670 rms=0.007236 Jy/beam ! Combined flux in latest and established models = 0.671901 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 34 components and 0.671901 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139382Jy sigma=1.212276 ! Fit after self-cal, rms=0.139761Jy sigma=1.207209 ! 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 = -0.00187107 Jy ! Component: 100 - total flux cleaned = -0.00298955 Jy ! Total flux subtracted in 100 components = -0.00298955 Jy ! Clean residual min=-0.022088 max=0.026809 Jy/beam ! Clean residual mean=0.000756 rms=0.006574 Jy/beam ! Combined flux in latest and established models = 0.668912 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 49 components and 0.668912 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137451Jy sigma=1.203866 ! Fit after self-cal, rms=0.129466Jy sigma=1.181857 ! Inverting map and beam ! Estimated beam: bmin=0.9129 mas, bmaj=5.838 mas, bpa=-6.899 degrees ! Estimated noise=5.42735 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 = -0.000388219 Jy ! Component: 100 - total flux cleaned = 0.000582439 Jy ! Total flux subtracted in 100 components = 0.000582439 Jy ! Clean residual min=-0.018602 max=0.023506 Jy/beam ! Clean residual mean=0.000378 rms=0.005872 Jy/beam ! Combined flux in latest and established models = 0.669494 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 58 components and 0.669494 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127393Jy sigma=1.180022 ! Fit after self-cal, rms=0.127342Jy sigma=1.179058 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1424-418_X ! Writing UV FITS file: 1424-418_X.uvf ! Writing 58 model components to file: 1424-418_X.mod ! wwins: Wrote 1 windows to 1424-418_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9129 x 5.838 at -6.899 degrees (North through East) ! Clean map min=-0.020299 max=0.48839 Jy/beam ! Writing clean map to FITS file: 1424-418_X.fits ! Writing difmap environment to: 1424-418_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1424-418_X] device 1424-418_Xuv.ps/vps,1,2 ! Attempting to open device: '1424-418_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1424-418_Xim.ps/vps ! Attempting to open device: '1424-418_Xim.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=0.9129 mas, bmaj=5.838 mas, bpa=-6.899 degrees ! Estimated noise=5.42735 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9129 x 5.838 at -6.899 degrees (North through East) ! Clean map min=-0.020299 max=0.48839 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.1-pw] quit ! Quitting program ! Log file 1424-418_X.log closed on Tue Aug 12 16:44:20 2008