! Started logfile: 0458-020_S.log on Tue Apr 15 19:28:50 2008 observe 0458-020_S.edt ! Reading UV FITS file: 0458-020_S.edt ! AN table 1: 31 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.107527 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0458-020 ! ! 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 955 lines of history. ! ! Reading 2040 visibilities. ![@gonzo5-0.4 0458-020_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 437 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 441 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 442 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 451 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.415125Jy sigma=0.005084 ! Fit after self-cal, rms=0.405018Jy sigma=0.005005 ! 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=2.86 mas, bmaj=6.456 mas, bpa=0.1976 degrees ! Estimated noise=2422.29 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 = 0.474282 Jy ! Total flux subtracted in 50 components = 0.474282 Jy ! Clean residual min=-0.042452 max=0.154409 Jy/beam ! Clean residual mean=0.000050 rms=0.014625 Jy/beam ! Combined flux in latest and established models = 0.474283 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.474283 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.312798Jy sigma=0.003982 ! Fit after self-cal, rms=0.312710Jy sigma=0.003982 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.165375 Jy ! Total flux subtracted in 50 components = 0.165375 Jy ! Clean residual min=-0.030554 max=0.077323 Jy/beam ! Clean residual mean=0.000037 rms=0.009327 Jy/beam ! Combined flux in latest and established models = 0.639658 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 18 components and 0.639658 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210729Jy sigma=0.002660 ! Fit after self-cal, rms=0.209522Jy sigma=0.002648 ! Inverting map ! Added new window around map position (-3.2, 2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0926689 Jy ! Total flux subtracted in 50 components = 0.0926689 Jy ! Clean residual min=-0.024863 max=0.047061 Jy/beam ! Clean residual mean=0.000029 rms=0.006771 Jy/beam ! Combined flux in latest and established models = 0.732327 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 29 components and 0.732327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162771Jy sigma=0.002040 ! Fit after self-cal, rms=0.162103Jy sigma=0.002033 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0582087 Jy ! Total flux subtracted in 50 components = 0.0582087 Jy ! Clean residual min=-0.021109 max=0.030151 Jy/beam ! Clean residual mean=0.000023 rms=0.005455 Jy/beam ! Combined flux in latest and established models = 0.790536 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 36 components and 0.790536 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138201Jy sigma=0.001721 ! Fit after self-cal, rms=0.137934Jy sigma=0.001718 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0383578 Jy ! Total flux subtracted in 50 components = 0.0383578 Jy ! Clean residual min=-0.018976 max=0.021187 Jy/beam ! Clean residual mean=0.000019 rms=0.004805 Jy/beam ! Combined flux in latest and established models = 0.828893 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 57 components and 0.828893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125496Jy sigma=0.001556 ! Fit after self-cal, rms=0.125380Jy sigma=0.001554 ! 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=3.473 mas, bmaj=7.544 mas, bpa=0.6616 degrees ! Estimated noise=1688.33 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 = 0.0448645 Jy ! Component: 100 - total flux cleaned = 0.0726588 Jy ! Total flux subtracted in 100 components = 0.0726588 Jy ! Clean residual min=-0.015477 max=0.022864 Jy/beam ! Clean residual mean=0.000027 rms=0.004375 Jy/beam ! Combined flux in latest and established models = 0.901552 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 54 model components to the UV plane model. ! The established model now contains 101 components and 0.901552 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109646Jy sigma=0.001347 ! Fit after self-cal, rms=0.109266Jy sigma=0.001342 ! Inverting map ! Added new window around map position (-8.8, 4.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0245105 Jy ! Component: 100 - total flux cleaned = 0.0413501 Jy ! Total flux subtracted in 100 components = 0.0413501 Jy ! Clean residual min=-0.012641 max=0.013316 Jy/beam ! Clean residual mean=0.000012 rms=0.003470 Jy/beam ! Combined flux in latest and established models = 0.942902 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 33 model components to the UV plane model. ! The established model now contains 129 components and 0.942903 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.103769Jy sigma=0.001269 ! Fit after self-cal, rms=0.103452Jy sigma=0.001266 ! 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 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.17 GC 1.06 HH 1.00* ! HN 1.03 KK 1.01 KP 0.92 LA 0.98 ! MC 1.00* MK 1.00 NL 0.96 NY 1.00* ! ON 1.00* OV 0.98 PT 1.02 SC 0.95 ! WF 1.38 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 0.99 FD 1.00* GC 1.06 HH 1.00* ! HN 1.04 KK 0.98 KP 0.99 LA 0.97 ! MC 1.00* MK 1.02 NL 1.00 NY 1.00* ! ON 1.00* OV 0.98 PT 0.96 SC 0.97 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.10 GC 1.03 HH 1.00* ! HN 1.16 KK 1.01 KP 1.01 LA 0.96 ! MC 1.00* MK 0.95 NL 1.01 NY 1.00* ! ON 1.00* OV 0.99 PT 0.97 SC 1.09 ! WF 1.57 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 GC 1.07 HH 1.00* ! HN 1.11 KK 1.02 KP 1.05 LA 1.00* ! MC 1.00* MK 0.92 NL 1.01 NY 1.00* ! ON 1.00* OV 0.87 PT 1.00 SC 1.12 ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.103452Jy sigma=0.001266 ! Fit after self-cal, rms=0.093870Jy sigma=0.001126 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.512 mas, bmaj=7.68 mas, bpa=-0.8813 degrees ! Estimated noise=1702.46 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 (-14.8, 8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0148858 Jy ! Component: 100 - total flux cleaned = 0.0236905 Jy ! Total flux subtracted in 100 components = 0.0236905 Jy ! Clean residual min=-0.007975 max=0.008641 Jy/beam ! Clean residual mean=-0.000025 rms=0.002262 Jy/beam ! Combined flux in latest and established models = 0.966593 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 150 components and 0.966593 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091810Jy sigma=0.001094 ! Fit after self-cal, rms=0.091676Jy sigma=0.001092 ! Inverting map ! Added new window around map position (86.4, -31.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0091026 Jy ! Component: 100 - total flux cleaned = 0.0145429 Jy ! Total flux subtracted in 100 components = 0.0145429 Jy ! Clean residual min=-0.007833 max=0.007261 Jy/beam ! Clean residual mean=-0.000031 rms=0.002079 Jy/beam ! Combined flux in latest and established models = 0.981136 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 166 components and 0.981136 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090800Jy sigma=0.001080 ! Fit after self-cal, rms=0.090738Jy sigma=0.001079 ! 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 = 0.00385136 Jy ! Component: 100 - total flux cleaned = 0.00479668 Jy ! Total flux subtracted in 100 components = 0.00479668 Jy ! Clean residual min=-0.007856 max=0.007044 Jy/beam ! Clean residual mean=-0.000033 rms=0.002003 Jy/beam ! Combined flux in latest and established models = 0.985933 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 176 components and 0.985933 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090367Jy sigma=0.001073 ! Fit after self-cal, rms=0.086994Jy sigma=0.001024 ! Inverting map and beam ! Estimated beam: bmin=3.514 mas, bmaj=7.688 mas, bpa=-0.756 degrees ! Estimated noise=1700.62 mJy/beam. ! Added new window around map position (-77.6, 83.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00687536 Jy ! Component: 100 - total flux cleaned = 0.0105296 Jy ! Total flux subtracted in 100 components = 0.0105296 Jy ! Clean residual min=-0.006309 max=0.005501 Jy/beam ! Clean residual mean=-0.000016 rms=0.001620 Jy/beam ! Combined flux in latest and established models = 0.996462 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 189 components and 0.996463 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086464Jy sigma=0.001016 ! Fit after self-cal, rms=0.085891Jy sigma=0.001011 ! Inverting map and beam ! Estimated beam: bmin=3.514 mas, bmaj=7.685 mas, bpa=-0.7167 degrees ! Estimated noise=1699.47 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 = 0.00447416 Jy ! Component: 100 - total flux cleaned = 0.00651484 Jy ! Total flux subtracted in 100 components = 0.00651484 Jy ! Clean residual min=-0.005966 max=0.005557 Jy/beam ! Clean residual mean=-0.000014 rms=0.001565 Jy/beam ! Combined flux in latest and established models = 1.00298 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 202 components and 1.00298 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085596Jy sigma=0.001007 ! Fit after self-cal, rms=0.085555Jy sigma=0.001006 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0458-020_S ! Writing UV FITS file: 0458-020_S.uvf ! Writing 202 model components to file: 0458-020_S.mod ! wwins: Wrote 6 windows to 0458-020_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.514 x 7.685 at -0.7167 degrees (North through East) ! Clean map min=-0.0058027 max=0.64494 Jy/beam ! Writing clean map to FITS file: 0458-020_S.fits ! Writing difmap environment to: 0458-020_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0458-020_S] device 0458-020_Suv.ps/vps,1,2 ! Attempting to open device: '0458-020_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0458-020_Sim.ps/vps ! Attempting to open device: '0458-020_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=3.514 mas, bmaj=7.685 mas, bpa=-0.7167 degrees ! Estimated noise=1699.47 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.514 x 7.685 at -0.7167 degrees (North through East) ! Clean map min=-0.0058027 max=0.64494 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo5-0.4] quit ! Quitting program ! Log file 0458-020_S.log closed on Tue Apr 15 19:28:57 2008