! Started logfile: 0537-441_S.log on Fri Jul 13 18:29:49 2007 observe 0537-441_S.edt ! Reading UV FITS file: 0537-441_S.edt ! AN table 1: 12 integrations on 171 of 171 possible baselines. ! AN table 2: 14 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0389114 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0537-441 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1332 lines of history. ! ! Reading 692 visibilities. ![@gonzo6-0.4-pw 0537-441_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 = 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 0.400x0.400 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 228 telescope corrections were flagged in sub-array 1. ! A total of 222 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 228 telescope corrections were flagged in sub-array 1. ! A total of 221 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 228 telescope corrections were flagged in sub-array 1. ! A total of 224 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 228 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=3.672551Jy sigma=0.038414 ! Fit after self-cal, rms=3.663017Jy sigma=0.038440 ! 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=2.878 mas, bmaj=30.93 mas, bpa=-3.172 degrees ! Estimated noise=6480.41 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 = 3.43293 Jy ! Total flux subtracted in 50 components = 3.43293 Jy ! Clean residual min=-0.368746 max=0.957377 Jy/beam ! Clean residual mean=0.015784 rms=0.180348 Jy/beam ! Combined flux in latest and established models = 3.43293 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 3.43293 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.307112Jy sigma=0.013626 ! Fit after self-cal, rms=1.307112Jy sigma=0.013626 ! 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=4.458 mas, bmaj=33.63 mas, bpa=-2.316 degrees ! Estimated noise=3943.83 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 = 0.952595 Jy ! Component: 100 - total flux cleaned = 1.23309 Jy ! Total flux subtracted in 100 components = 1.23309 Jy ! Clean residual min=-0.078915 max=0.104811 Jy/beam ! Clean residual mean=0.004181 rms=0.036856 Jy/beam ! Combined flux in latest and established models = 4.66603 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 47 model components to the UV plane model. ! The established model now contains 47 components and 4.66603 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.450915Jy sigma=0.004746 ! Fit after self-cal, rms=0.450908Jy sigma=0.004746 ! 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 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.13 GC 1.00* GG 1.00* ! HN 1.00* KP 0.91 LA 1.04 MA 1.00* ! MK 0.98 NL 1.00* NY 1.00* ON 1.00* ! OV 0.95 PT 1.00 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.05 GC 1.00* GG 1.00* ! HN 1.00* KP 0.99 LA 1.00 MA 1.00* ! MK 1.05 NL 1.00* NY 1.00* ON 1.00* ! OV 1.03 PT 1.00 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 GC 1.00* GG 1.00* ! HN 1.00* KP 0.98 LA 0.82 MA 1.00* ! MK 1.01 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00 PT 1.02 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.89 GC 1.00* GG 1.00* ! HN 1.00* KP 0.97 LA 1.00* MA 1.00* ! MK 0.94 NL 1.00* NY 1.00* ON 1.00* ! OV 0.87 PT 1.01 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.450908Jy sigma=0.004746 ! Fit after self-cal, rms=0.121850Jy sigma=0.001305 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.423 mas, bmaj=33.8 mas, bpa=-2.342 degrees ! Estimated noise=3998.44 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 = 0.0136239 Jy ! Component: 100 - total flux cleaned = 0.0159999 Jy ! Total flux subtracted in 100 components = 0.0159999 Jy ! Clean residual min=-0.012272 max=0.014934 Jy/beam ! Clean residual mean=-0.000031 rms=0.004703 Jy/beam ! Combined flux in latest and established models = 4.68203 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 53 components and 4.68203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.120382Jy sigma=0.001290 ! Fit after self-cal, rms=0.120408Jy sigma=0.001290 ! 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 = 0.000296322 Jy ! Component: 100 - total flux cleaned = 0.000294189 Jy ! Total flux subtracted in 100 components = 0.000294189 Jy ! Clean residual min=-0.012945 max=0.014421 Jy/beam ! Clean residual mean=-0.000040 rms=0.004540 Jy/beam ! Combined flux in latest and established models = 4.68232 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 62 components and 4.68232 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.119905Jy sigma=0.001285 ! Fit after self-cal, rms=0.112215Jy sigma=0.001205 ! Inverting map and beam ! Estimated beam: bmin=4.419 mas, bmaj=33.77 mas, bpa=-2.345 degrees ! Estimated noise=3990.91 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 = 0.00255221 Jy ! Component: 100 - total flux cleaned = 0.00389025 Jy ! Total flux subtracted in 100 components = 0.00389025 Jy ! Clean residual min=-0.011886 max=0.014163 Jy/beam ! Clean residual mean=0.000125 rms=0.004286 Jy/beam ! Combined flux in latest and established models = 4.68621 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 76 components and 4.68621 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.111352Jy sigma=0.001197 ! Fit after self-cal, rms=0.111363Jy sigma=0.001197 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0537-441_S ! Writing UV FITS file: 0537-441_S.uvf ! Writing 76 model components to file: 0537-441_S.mod ! wwins: Wrote 1 windows to 0537-441_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.419 x 33.77 at -2.345 degrees (North through East) ! Clean map min=-0.01187 max=4.4752 Jy/beam ! Writing clean map to FITS file: 0537-441_S.fits ! Writing difmap environment to: 0537-441_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0537-441_S] device 0537-441_Suv.ps/vps,1,2 ! Attempting to open device: '0537-441_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0537-441_Sim.ps/vps ! Attempting to open device: '0537-441_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=4.419 mas, bmaj=33.77 mas, bpa=-2.345 degrees ! Estimated noise=3990.91 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.419 x 33.77 at -2.345 degrees (North through East) ! Clean map min=-0.01187 max=4.4752 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.4-pw] quit ! Quitting program ! Log file 0537-441_S.log closed on Fri Jul 13 18:29:55 2007