! Started logfile: 2052-474_S.log on Thu Feb 7 18:38:12 2008 observe 2052-474_S.edt ! Reading UV FITS file: 2052-474_S.edt ! AN table 1: 7 integrations on 136 of 136 possible baselines. ! AN table 2: 8 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0411765 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 2052-474 ! ! 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 336 visibilities. ![@gonzo5-0.4-pw 2052-474_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 = 5.0 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 92 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 92 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 93 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 92 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.637335Jy sigma=0.006935 ! Fit after self-cal, rms=0.637417Jy sigma=0.006943 ! 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=2.525 mas, bmaj=58.09 mas, bpa=-12.93 degrees ! Estimated noise=8235.17 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 = 1.13724 Jy ! Total flux subtracted in 50 components = 1.13724 Jy ! Clean residual min=-0.132606 max=0.317413 Jy/beam ! Clean residual mean=-0.001886 rms=0.068139 Jy/beam ! Combined flux in latest and established models = 1.13724 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 1.13724 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.509462Jy sigma=0.005541 ! Fit after self-cal, rms=0.509428Jy sigma=0.005541 ! 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=4 mas, bmaj=52.57 mas, bpa=-12.01 degrees ! Estimated noise=4959.1 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 = 0.387039 Jy ! Component: 100 - total flux cleaned = 0.505435 Jy ! Total flux subtracted in 100 components = 0.505435 Jy ! Clean residual min=-0.041914 max=0.041686 Jy/beam ! Clean residual mean=-0.001373 rms=0.016277 Jy/beam ! Combined flux in latest and established models = 1.64268 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 31 components and 1.64268 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129253Jy sigma=0.001355 ! Fit after self-cal, rms=0.129056Jy sigma=0.001352 ! 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 1.02 GC 1.00* HN 1.00* ! KK 1.00* KP 0.95 LA 0.94 MC 1.00* ! MK 1.00 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 1.00 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.02 GC 1.00* HN 1.00* ! KK 1.00* KP 0.94 LA 1.01 MC 1.00* ! MK 1.04 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 0.94 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.03 GC 1.00* HN 1.00* ! KK 1.00* KP 1.04 LA 0.96 MC 1.00* ! MK 1.00 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 0.98 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* HN 1.00* ! KK 1.00* KP 1.02 LA 0.93 MC 1.00* ! MK 1.01 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 1.04 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! ! Fit before self-cal, rms=0.129056Jy sigma=0.001352 ! Fit after self-cal, rms=0.091531Jy sigma=0.000994 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.017 mas, bmaj=52.9 mas, bpa=-12.02 degrees ! Estimated noise=4868.03 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 = 0.00365509 Jy ! Component: 100 - total flux cleaned = 0.00409026 Jy ! Total flux subtracted in 100 components = 0.00409026 Jy ! Clean residual min=-0.019144 max=0.022226 Jy/beam ! Clean residual mean=-0.000099 rms=0.006480 Jy/beam ! Combined flux in latest and established models = 1.64677 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 42 components and 1.64677 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.089967Jy sigma=0.000973 ! Fit after self-cal, rms=0.089840Jy sigma=0.000971 ! 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) ! Added new window around map position (-31.6, 17.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0166871 Jy ! Component: 100 - total flux cleaned = 0.021112 Jy ! Total flux subtracted in 100 components = 0.021112 Jy ! Clean residual min=-0.013087 max=0.009397 Jy/beam ! Clean residual mean=-0.000109 rms=0.003740 Jy/beam ! Combined flux in latest and established models = 1.66788 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 68 components and 1.66788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086570Jy sigma=0.000932 ! Fit after self-cal, rms=0.084200Jy sigma=0.000912 ! Inverting map and beam ! Estimated beam: bmin=4.019 mas, bmaj=52.9 mas, bpa=-12.02 degrees ! Estimated noise=4854.93 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 = 0.00377529 Jy ! Component: 100 - total flux cleaned = 0.00529134 Jy ! Total flux subtracted in 100 components = 0.00529134 Jy ! Clean residual min=-0.010142 max=0.007951 Jy/beam ! Clean residual mean=-0.000044 rms=0.002834 Jy/beam ! Combined flux in latest and established models = 1.67317 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 92 components and 1.67317 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083548Jy sigma=0.000903 ! Fit after self-cal, rms=0.083479Jy sigma=0.000903 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 2052-474_S ! Writing UV FITS file: 2052-474_S.uvf ! Writing 92 model components to file: 2052-474_S.mod ! wwins: Wrote 2 windows to 2052-474_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.019 x 52.9 at -12.02 degrees (North through East) ! Clean map min=-0.0099799 max=1.5262 Jy/beam ! Writing clean map to FITS file: 2052-474_S.fits ! Writing difmap environment to: 2052-474_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 2052-474_S] device 2052-474_Suv.ps/vps,1,2 ! Attempting to open device: '2052-474_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 2052-474_Sim.ps/vps ! Attempting to open device: '2052-474_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=4.019 mas, bmaj=52.9 mas, bpa=-12.02 degrees ! Estimated noise=4854.93 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.019 x 52.9 at -12.02 degrees (North through East) ! Clean map min=-0.0099799 max=1.5262 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo5-0.4-pw] quit ! Quitting program ! Log file 2052-474_S.log closed on Thu Feb 7 18:38:17 2008