! Started logfile: NRAO512_S.log on Mon Aug 22 09:25:26 2005 observe NRAO512_S.edt ! Reading UV FITS file: NRAO512_S.edt ! AN table 1: 47 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.100286 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: NRAO512 ! ! 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 1565 lines of history. ! ! Reading 3224 visibilities. ![@gonzo7-0.4 NRAO512_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 683 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 681 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 700 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 684 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.079752Jy sigma=0.001565 ! Fit after self-cal, rms=0.078978Jy sigma=0.001555 ! 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=2.976 mas, bmaj=7.233 mas, bpa=-7.149 degrees ! Estimated noise=1214.79 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 = 0.779651 Jy ! Total flux subtracted in 50 components = 0.779651 Jy ! Clean residual min=-0.039139 max=0.217441 Jy/beam ! Clean residual mean=-0.000246 rms=0.013583 Jy/beam ! Combined flux in latest and established models = 0.779651 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 0.779651 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239422Jy sigma=0.004832 ! Fit after self-cal, rms=0.239422Jy sigma=0.004832 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.170015 Jy ! Total flux subtracted in 50 components = 0.170015 Jy ! Clean residual min=-0.012607 max=0.047416 Jy/beam ! Clean residual mean=-0.000100 rms=0.004086 Jy/beam ! Combined flux in latest and established models = 0.949666 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 0.949666 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096692Jy sigma=0.001940 ! Fit after self-cal, rms=0.096692Jy sigma=0.001940 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0401857 Jy ! Total flux subtracted in 50 components = 0.0401857 Jy ! Clean residual min=-0.011437 max=0.019336 Jy/beam ! Clean residual mean=-0.000066 rms=0.002970 Jy/beam ! Combined flux in latest and established models = 0.989852 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.989852 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.079747Jy sigma=0.001581 ! Fit after self-cal, rms=0.079743Jy sigma=0.001581 ! 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=3.799 mas, bmaj=8.561 mas, bpa=-6.318 degrees ! Estimated noise=703.592 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 (-3.6, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0264405 Jy ! Component: 100 - total flux cleaned = 0.0412713 Jy ! Total flux subtracted in 100 components = 0.0412713 Jy ! Clean residual min=-0.008373 max=0.011862 Jy/beam ! Clean residual mean=-0.000036 rms=0.002026 Jy/beam ! Combined flux in latest and established models = 1.03112 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 48 model components to the UV plane model. ! The established model now contains 59 components and 1.03112 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071696Jy sigma=0.001408 ! Fit after self-cal, rms=0.071559Jy sigma=0.001405 ! 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 0.97 FD 0.97 GC 1.00* HH 1.00* ! HN 1.04 KK 1.00* KP 1.01 LA 0.98 ! MC 1.00* MK 0.94 NL 0.99 NY 1.00* ! ON 1.00* OV 1.01 PT 1.00 SC 1.03 ! TS 1.00* WF 1.00* WZ 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 1.00 FD 1.00 GC 1.00* HH 1.00* ! HN 1.02 KK 1.00* KP 0.97 LA 0.97 ! MC 1.00* MK 1.00 NL 1.01 NY 1.00* ! ON 1.00* OV 1.01 PT 0.98 SC 1.02 ! TS 1.00* WF 1.00* WZ 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 1.04 FD 0.97 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 1.01 LA 1.00* ! MC 1.00* MK 0.93 NL 1.04 NY 1.00* ! ON 1.00* OV 1.00 PT 0.98 SC 0.99 ! TS 1.00* WF 1.00* WZ 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 1.03 FD 0.98 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 1.03 LA 0.96 ! MC 1.00* MK 0.93 NL 1.01 NY 1.00* ! ON 1.00* OV 0.99 PT 0.98 SC 1.03 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.071559Jy sigma=0.001405 ! Fit after self-cal, rms=0.063021Jy sigma=0.001235 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.794 mas, bmaj=8.633 mas, bpa=-6.567 degrees ! Estimated noise=700.178 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 = 0.00363886 Jy ! Component: 100 - total flux cleaned = 0.00442001 Jy ! Total flux subtracted in 100 components = 0.00442001 Jy ! Clean residual min=-0.004195 max=0.003859 Jy/beam ! Clean residual mean=-0.000015 rms=0.001003 Jy/beam ! Combined flux in latest and established models = 1.03554 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 68 components and 1.03554 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062805Jy sigma=0.001231 ! Fit after self-cal, rms=0.062796Jy sigma=0.001231 ! 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 = 0.000423437 Jy ! Component: 100 - total flux cleaned = 0.000423116 Jy ! Total flux subtracted in 100 components = 0.000423116 Jy ! Clean residual min=-0.004104 max=0.003828 Jy/beam ! Clean residual mean=-0.000014 rms=0.000984 Jy/beam ! Combined flux in latest and established models = 1.03597 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 76 components and 1.03597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062707Jy sigma=0.001229 ! Fit after self-cal, rms=0.060799Jy sigma=0.001187 ! Inverting map and beam ! Estimated beam: bmin=3.791 mas, bmaj=8.629 mas, bpa=-6.568 degrees ! Estimated noise=700.813 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 = 0.00203355 Jy ! Component: 100 - total flux cleaned = 0.00216003 Jy ! Total flux subtracted in 100 components = 0.00216003 Jy ! Clean residual min=-0.004128 max=0.003299 Jy/beam ! Clean residual mean=-0.000004 rms=0.000862 Jy/beam ! Combined flux in latest and established models = 1.03813 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 89 components and 1.03813 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060722Jy sigma=0.001186 ! Fit after self-cal, rms=0.060716Jy sigma=0.001185 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save NRAO512_S ! Writing UV FITS file: NRAO512_S.uvf ! Writing 89 model components to file: NRAO512_S.mod ! wwins: Wrote 2 windows to NRAO512_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.791 x 8.629 at -6.568 degrees (North through East) ! Clean map min=-0.0040096 max=0.99782 Jy/beam ! Writing clean map to FITS file: NRAO512_S.fits ! Writing difmap environment to: NRAO512_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot NRAO512_S] device NRAO512_Suv.ps/vps,1,2 ! Attempting to open device: 'NRAO512_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device NRAO512_Sim.ps/vps ! Attempting to open device: 'NRAO512_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=3.791 mas, bmaj=8.629 mas, bpa=-6.568 degrees ! Estimated noise=700.813 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.791 x 8.629 at -6.568 degrees (North through East) ! Clean map min=-0.0040096 max=0.99782 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file NRAO512_S.log closed on Mon Aug 22 09:26:10 2005