! Started logfile: 0454-234_S.log on Fri Jul 13 18:14:18 2007 observe 0454-234_S.edt ! Reading UV FITS file: 0454-234_S.edt ! AN table 1: 40 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.141813 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0454-234 ! 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 3880 visibilities. ![@gonzo7-0.4 0454-234_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 596 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 593 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 606 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 631 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.548957Jy sigma=0.021405 ! Fit after self-cal, rms=1.552324Jy sigma=0.021464 ! 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=3.396 mas, bmaj=4.434 mas, bpa=14.47 degrees ! Estimated noise=3667.99 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 = 1.82968 Jy ! Total flux subtracted in 50 components = 1.82968 Jy ! Clean residual min=-0.133759 max=0.518487 Jy/beam ! Clean residual mean=0.004410 rms=0.070251 Jy/beam ! Combined flux in latest and established models = 1.82968 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 1.82968 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.773610Jy sigma=0.010290 ! Fit after self-cal, rms=0.773611Jy sigma=0.010290 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.436949 Jy ! Total flux subtracted in 50 components = 0.436949 Jy ! Clean residual min=-0.091384 max=0.179272 Jy/beam ! Clean residual mean=0.001862 rms=0.036697 Jy/beam ! Combined flux in latest and established models = 2.26663 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 14 components and 2.26663 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.433371Jy sigma=0.005743 ! Fit after self-cal, rms=0.433343Jy sigma=0.005743 ! 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=3.871 mas, bmaj=10.62 mas, bpa=-4.054 degrees ! Estimated noise=1243.83 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 = 0.220173 Jy ! Component: 100 - total flux cleaned = 0.316972 Jy ! Total flux subtracted in 100 components = 0.316972 Jy ! Clean residual min=-0.079623 max=0.114966 Jy/beam ! Clean residual mean=-0.000204 rms=0.027367 Jy/beam ! Combined flux in latest and established models = 2.5836 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 27 components and 2.5836 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.307183Jy sigma=0.004385 ! Fit after self-cal, rms=0.307176Jy sigma=0.004385 ! 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 1.15 FD 1.08 GC 1.00* GG 1.00* ! HN 1.00* KP 0.89 LA 1.02 MA 1.00* ! MK 1.00 NL 0.97 NY 1.00* ON 1.00* ! OV 0.95 PT 1.00 SC 1.00* TC 1.26 ! 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 1.11 FD 1.01 GC 1.00* GG 1.00* ! HN 1.00* KP 0.97 LA 0.98 MA 1.00* ! MK 1.08 NL 1.00 NY 1.00* ON 1.00* ! OV 1.00 PT 1.00 SC 1.00* TC 1.19 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.32 FD 0.96 GC 1.00* GG 1.00* ! HN 1.00* KP 0.94 LA 0.80 MA 1.00* ! MK 1.03 NL 1.05 NY 1.00* ON 1.00* ! OV 0.97 PT 1.03 SC 1.00* TC 1.15 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.87 GC 1.00* GG 1.00* ! HN 1.00* KP 0.95 LA 1.18 MA 1.00* ! MK 0.97 NL 0.97 NY 1.00* ON 1.00* ! OV 0.84 PT 1.00 SC 1.00* TC 1.13 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.307176Jy sigma=0.004385 ! Fit after self-cal, rms=0.121651Jy sigma=0.001504 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.923 mas, bmaj=11.22 mas, bpa=-4.166 degrees ! Estimated noise=1241.04 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 = -0.00723697 Jy ! Component: 100 - total flux cleaned = -0.00850961 Jy ! Total flux subtracted in 100 components = -0.00850961 Jy ! Clean residual min=-0.012200 max=0.010783 Jy/beam ! Clean residual mean=0.000173 rms=0.003243 Jy/beam ! Combined flux in latest and established models = 2.57509 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 29 components and 2.57509 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.120894Jy sigma=0.001492 ! Fit after self-cal, rms=0.120882Jy sigma=0.001492 ! 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 = -0.000853272 Jy ! Component: 100 - total flux cleaned = -0.001223 Jy ! Total flux subtracted in 100 components = -0.001223 Jy ! Clean residual min=-0.010865 max=0.010593 Jy/beam ! Clean residual mean=0.000179 rms=0.003086 Jy/beam ! Combined flux in latest and established models = 2.57387 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 32 components and 2.57387 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.120519Jy sigma=0.001488 ! Fit after self-cal, rms=0.113207Jy sigma=0.001362 ! Inverting map and beam ! Estimated beam: bmin=3.925 mas, bmaj=11.25 mas, bpa=-4.175 degrees ! Estimated noise=1240.53 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 = -0.00420246 Jy ! Component: 100 - total flux cleaned = -0.00483938 Jy ! Total flux subtracted in 100 components = -0.00483938 Jy ! Clean residual min=-0.010229 max=0.009434 Jy/beam ! Clean residual mean=0.000195 rms=0.002794 Jy/beam ! Combined flux in latest and established models = 2.56903 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 5 model components to the UV plane model. ! The established model now contains 33 components and 2.56903 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.112860Jy sigma=0.001357 ! Fit after self-cal, rms=0.112858Jy sigma=0.001357 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0454-234_S ! Writing UV FITS file: 0454-234_S.uvf ! Writing 33 model components to file: 0454-234_S.mod ! wwins: Wrote 1 windows to 0454-234_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.925 x 11.25 at -4.175 degrees (North through East) ! Clean map min=-0.010026 max=2.4291 Jy/beam ! Writing clean map to FITS file: 0454-234_S.fits ! Writing difmap environment to: 0454-234_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0454-234_S] device 0454-234_Suv.ps/vps,1,2 ! Attempting to open device: '0454-234_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0454-234_Sim.ps/vps ! Attempting to open device: '0454-234_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=3.925 mas, bmaj=11.25 mas, bpa=-4.175 degrees ! Estimated noise=1240.53 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.925 x 11.25 at -4.175 degrees (North through East) ! Clean map min=-0.010026 max=2.4291 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 0454-234_S.log closed on Fri Jul 13 18:14:24 2007