! Started logfile: NRAO530_X.log on Wed Aug 3 11:33:45 2005 observe NRAO530_X.edt ! Reading UV FITS file: NRAO530_X.edt ! AN table 1: 39 integrations on 171 of 171 possible baselines. ! AN table 2: 47 integrations on 171 of 171 possible baselines. ! AN table 3: 9 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0848261 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: NRAO530 ! ! 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 1818 lines of history. ! ! Reading 5512 visibilities. ![@gonzo8-0.1 NRAO530_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 = 8.0 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 723 telescope corrections were flagged in sub-array 1. ! A total of 661 telescope corrections were flagged in sub-array 2. ! A total of 171 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 723 telescope corrections were flagged in sub-array 1. ! A total of 661 telescope corrections were flagged in sub-array 2. ! A total of 171 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 723 telescope corrections were flagged in sub-array 1. ! A total of 661 telescope corrections were flagged in sub-array 2. ! A total of 171 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 723 telescope corrections were flagged in sub-array 1. ! A total of 661 telescope corrections were flagged in sub-array 2. ! A total of 171 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.379320Jy sigma=0.024202 ! Fit after self-cal, rms=1.385025Jy sigma=0.024313 ! 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=1.054 mas, bmaj=2.549 mas, bpa=8.3 degrees ! Estimated noise=1177.6 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 = 1.66233 Jy ! Total flux subtracted in 50 components = 1.66233 Jy ! Clean residual min=-0.104909 max=0.464206 Jy/beam ! Clean residual mean=0.002314 rms=0.043588 Jy/beam ! Combined flux in latest and established models = 1.66233 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 1.66233 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.804145Jy sigma=0.014426 ! Fit after self-cal, rms=0.804156Jy sigma=0.014423 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.436641 Jy ! Total flux subtracted in 50 components = 0.436641 Jy ! Clean residual min=-0.073824 max=0.196082 Jy/beam ! Clean residual mean=0.001657 rms=0.026426 Jy/beam ! Combined flux in latest and established models = 2.09897 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 21 components and 2.09897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.511557Jy sigma=0.009233 ! Fit after self-cal, rms=0.511028Jy sigma=0.009229 ! 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=1.335 mas, bmaj=3.005 mas, bpa=7.126 degrees ! Estimated noise=739.477 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 = 0.349743 Jy ! Component: 100 - total flux cleaned = 0.522897 Jy ! Total flux subtracted in 100 components = 0.522897 Jy ! Clean residual min=-0.052487 max=0.148982 Jy/beam ! Clean residual mean=0.002244 rms=0.023911 Jy/beam ! Combined flux in latest and established models = 2.62186 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 45 model components to the UV plane model. ! The established model now contains 62 components and 2.62186 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266152Jy sigma=0.004601 ! Fit after self-cal, rms=0.263532Jy sigma=0.004568 ! 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 0.99 GC 1.00* HH 1.00* ! HN 1.09 KK 1.00* KP 1.00* LA 1.05 ! MC 1.00* MK 1.00* NL 0.96 NY 1.00* ! ON 1.00* OV 1.00* PT 0.99 SC 0.99 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.94 GC 1.00* HH 1.00* ! HN 1.05 KK 1.00* KP 0.98 LA 1.00 ! MC 1.00* MK 1.03 NL 1.03 NY 1.00* ! ON 1.00* OV 0.93 PT 0.94 SC 1.05 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* HH 1.00* ! HN 1.05 KK 1.00* KP 1.00* LA 1.05 ! MC 1.00* MK 1.00* NL 0.98 NY 1.00* ! ON 1.00* OV 1.00* PT 0.98 SC 1.04 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.93 GC 1.00* HH 1.00* ! HN 1.05 KK 1.00* KP 0.98 LA 1.01 ! MC 1.00* MK 1.01 NL 1.00 NY 1.00* ! ON 1.00* OV 0.93 PT 0.94 SC 1.05 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.08 KK 1.00* KP 1.00* LA 1.04 ! MC 1.00* MK 1.00* NL 0.97 NY 1.00* ! ON 1.00* OV 1.00* PT 0.98 SC 1.01 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.94 GC 1.00* HH 1.00* ! HN 1.06 KK 1.00* KP 0.96 LA 0.98 ! MC 1.00* MK 1.03 NL 0.98 NY 1.00* ! ON 1.00* OV 0.94 PT 0.95 SC 1.04 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 1.08 KK 1.00* KP 1.00* LA 1.05 ! MC 1.00* MK 1.00* NL 0.96 NY 1.00* ! ON 1.00* OV 1.00* PT 0.98 SC 1.06 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.94 GC 1.00* HH 1.00* ! HN 1.04 KK 1.00* KP 0.97 LA 1.01 ! MC 1.00* MK 1.05 NL 0.99 NY 1.00* ! ON 1.00* OV 0.94 PT 0.94 SC 1.04 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.263532Jy sigma=0.004568 ! Fit after self-cal, rms=0.213200Jy sigma=0.003498 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.362 mas, bmaj=3.061 mas, bpa=6.713 degrees ! Estimated noise=718.273 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 = 0.0145064 Jy ! Component: 100 - total flux cleaned = 0.0158719 Jy ! Total flux subtracted in 100 components = 0.0158719 Jy ! Clean residual min=-0.032983 max=0.086687 Jy/beam ! Clean residual mean=0.000788 rms=0.013826 Jy/beam ! Combined flux in latest and established models = 2.63774 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 68 components and 2.63774 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210702Jy sigma=0.003441 ! Fit after self-cal, rms=0.210420Jy sigma=0.003436 ! 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 (1.3, 5.1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0790216 Jy ! Component: 100 - total flux cleaned = 0.103912 Jy ! Total flux subtracted in 100 components = 0.103912 Jy ! Clean residual min=-0.028729 max=0.059297 Jy/beam ! Clean residual mean=0.000297 rms=0.010954 Jy/beam ! Combined flux in latest and established models = 2.74165 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 91 components and 2.74165 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183450Jy sigma=0.002952 ! Fit after self-cal, rms=0.150496Jy sigma=0.002469 ! Inverting map and beam ! Estimated beam: bmin=1.356 mas, bmaj=3.044 mas, bpa=6.777 degrees ! Estimated noise=719.698 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 = 0.0423353 Jy ! Component: 100 - total flux cleaned = 0.0538154 Jy ! Total flux subtracted in 100 components = 0.0538154 Jy ! Clean residual min=-0.024872 max=0.046648 Jy/beam ! Clean residual mean=0.000008 rms=0.008168 Jy/beam ! Combined flux in latest and established models = 2.79546 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 108 components and 2.79546 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139112Jy sigma=0.002283 ! Fit after self-cal, rms=0.136375Jy sigma=0.002249 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save NRAO530_X ! Writing UV FITS file: NRAO530_X.uvf ! Writing 108 model components to file: NRAO530_X.mod ! wwins: Wrote 2 windows to NRAO530_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.356 x 3.044 at 6.777 degrees (North through East) ! Clean map min=-0.024469 max=2.2155 Jy/beam ! Writing clean map to FITS file: NRAO530_X.fits ! Writing difmap environment to: NRAO530_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot NRAO530_X] device NRAO530_Xuv.ps/vps,1,2 ! Attempting to open device: 'NRAO530_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device NRAO530_Xim.ps/vps ! Attempting to open device: 'NRAO530_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=1.356 mas, bmaj=3.044 mas, bpa=6.777 degrees ! Estimated noise=719.698 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.356 x 3.044 at 6.777 degrees (North through East) ! Clean map min=-0.024469 max=2.2155 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file NRAO530_X.log closed on Wed Aug 3 11:34:07 2005