! Started logfile: OQ208_X.log on Wed May 14 17:34:05 2008 observe OQ208_X.edt ! Reading UV FITS file: OQ208_X.edt ! AN table 1: 39 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.295458 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: OQ208 ! ! 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 938 lines of history. ! ! Reading 7052 visibilities. ![@gonzo8-0.1 OQ208_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 440 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 418 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 421 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 424 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.376625Jy sigma=0.005593 ! Fit after self-cal, rms=0.375501Jy sigma=0.005583 ! 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=0.5098 mas, bmaj=1.124 mas, bpa=-15.59 degrees ! Estimated noise=1210.85 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 = 0.671601 Jy ! Total flux subtracted in 50 components = 0.671601 Jy ! Clean residual min=-0.047638 max=0.224423 Jy/beam ! Clean residual mean=0.000659 rms=0.018332 Jy/beam ! Combined flux in latest and established models = 0.671601 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 0.671601 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.457815Jy sigma=0.007534 ! Fit after self-cal, rms=0.457760Jy sigma=0.007531 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.247308 Jy ! Total flux subtracted in 50 components = 0.247308 Jy ! Clean residual min=-0.035311 max=0.124558 Jy/beam ! Clean residual mean=0.000463 rms=0.012627 Jy/beam ! Combined flux in latest and established models = 0.918908 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 19 components and 0.918908 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.323507Jy sigma=0.005312 ! Fit after self-cal, rms=0.323356Jy sigma=0.005310 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.151739 Jy ! Total flux subtracted in 50 components = 0.151739 Jy ! Clean residual min=-0.029715 max=0.080651 Jy/beam ! Clean residual mean=0.000343 rms=0.009590 Jy/beam ! Combined flux in latest and established models = 1.07065 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 27 components and 1.07065 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256192Jy sigma=0.004121 ! Fit after self-cal, rms=0.256094Jy sigma=0.004119 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.101975 Jy ! Total flux subtracted in 50 components = 0.101975 Jy ! Clean residual min=-0.029611 max=0.069162 Jy/beam ! Clean residual mean=0.000265 rms=0.007819 Jy/beam ! Combined flux in latest and established models = 1.17262 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 37 components and 1.17262 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.218570Jy sigma=0.003413 ! Fit after self-cal, rms=0.218295Jy sigma=0.003411 ! Inverting map ! Added new window around map position (-0.8, -1.1). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0773942 Jy ! Total flux subtracted in 50 components = 0.0773942 Jy ! Clean residual min=-0.026687 max=0.048463 Jy/beam ! Clean residual mean=0.000207 rms=0.006589 Jy/beam ! Combined flux in latest and established models = 1.25002 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 45 components and 1.25002 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193642Jy sigma=0.002953 ! Fit after self-cal, rms=0.192941Jy sigma=0.002948 ! 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=0.6223 mas, bmaj=1.295 mas, bpa=-15.67 degrees ! Estimated noise=727.367 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 = 0.0890453 Jy ! Component: 100 - total flux cleaned = 0.146933 Jy ! Total flux subtracted in 100 components = 0.146933 Jy ! Clean residual min=-0.025210 max=0.047515 Jy/beam ! Clean residual mean=0.000180 rms=0.007127 Jy/beam ! Combined flux in latest and established models = 1.39695 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 66 components and 1.39695 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160115Jy sigma=0.002235 ! Fit after self-cal, rms=0.158521Jy sigma=0.002223 ! 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 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 GC 1.05 HH 1.00* ! HN 0.98 KK 1.14 KP 0.95 LA 0.92 ! MC 1.00* MK 0.99 NL 0.95 NY 0.99 ! ON 1.00 OV 0.92 PT 0.93 SC 1.04 ! WF 1.16 WZ 1.01 ! ! ! Correcting IF 2. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 GC 1.06 HH 1.00* ! HN 0.98 KK 1.17 KP 0.97 LA 0.93 ! MC 1.05 MK 0.98 NL 0.93 NY 1.02 ! ON 1.01 OV 0.90 PT 0.95 SC 1.03 ! WF 1.07 WZ 1.01 ! ! ! Correcting IF 3. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 GC 1.03 HH 1.00* ! HN 0.98 KK 1.17 KP 1.00 LA 0.94 ! MC 1.09 MK 0.97 NL 0.95 NY 0.99 ! ON 1.03 OV 0.93 PT 0.95 SC 1.01 ! WF 1.26 WZ 1.01 ! ! ! Correcting IF 4. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 GC 1.09 HH 1.00* ! HN 0.98 KK 1.15 KP 0.98 LA 0.95 ! MC 1.16 MK 0.97 NL 0.97 NY 1.02 ! ON 1.02 OV 0.93 PT 0.98 SC 1.07 ! WF 1.26 WZ 1.04 ! ! ! Fit before self-cal, rms=0.158521Jy sigma=0.002223 ! Fit after self-cal, rms=0.136987Jy sigma=0.001727 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6311 mas, bmaj=1.316 mas, bpa=-16.14 degrees ! Estimated noise=724.61 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 (-5.1, -4.1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0378051 Jy ! Component: 100 - total flux cleaned = 0.0593316 Jy ! Total flux subtracted in 100 components = 0.0593316 Jy ! Clean residual min=-0.011437 max=0.024563 Jy/beam ! Clean residual mean=0.000509 rms=0.003569 Jy/beam ! Combined flux in latest and established models = 1.45628 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 84 components and 1.45628 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127275Jy sigma=0.001551 ! Fit after self-cal, rms=0.126908Jy sigma=0.001545 ! 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 (-6.8, -3.7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0221041 Jy ! Component: 100 - total flux cleaned = 0.0327348 Jy ! Total flux subtracted in 100 components = 0.0327348 Jy ! Clean residual min=-0.010697 max=0.021627 Jy/beam ! Clean residual mean=0.000465 rms=0.003132 Jy/beam ! Combined flux in latest and established models = 1.48902 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 95 components and 1.48902 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123267Jy sigma=0.001476 ! Fit after self-cal, rms=0.115402Jy sigma=0.001376 ! Inverting map and beam ! Estimated beam: bmin=0.6301 mas, bmaj=1.317 mas, bpa=-16.24 degrees ! Estimated noise=723.105 mJy/beam. ! Added new window around map position (-1, 1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0207507 Jy ! Component: 100 - total flux cleaned = 0.0311848 Jy ! Total flux subtracted in 100 components = 0.0311848 Jy ! Clean residual min=-0.007904 max=0.011755 Jy/beam ! Clean residual mean=0.000364 rms=0.002325 Jy/beam ! Combined flux in latest and established models = 1.5202 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 107 components and 1.5202 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.111901Jy sigma=0.001316 ! Fit after self-cal, rms=0.109796Jy sigma=0.001299 ! Inverting map and beam ! Estimated beam: bmin=0.6294 mas, bmaj=1.315 mas, bpa=-16.24 degrees ! Estimated noise=723.313 mJy/beam. ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0138063 Jy ! Component: 100 - total flux cleaned = 0.0213933 Jy ! Total flux subtracted in 100 components = 0.0213933 Jy ! Clean residual min=-0.007362 max=0.009963 Jy/beam ! Clean residual mean=0.000311 rms=0.002010 Jy/beam ! Combined flux in latest and established models = 1.54159 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 120 components and 1.54159 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.108047Jy sigma=0.001268 ! Fit after self-cal, rms=0.107100Jy sigma=0.001261 ! Inverting map and beam ! Estimated beam: bmin=0.6295 mas, bmaj=1.314 mas, bpa=-16.25 degrees ! Estimated noise=724.213 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 = 0.0108261 Jy ! Component: 100 - total flux cleaned = 0.0165114 Jy ! Total flux subtracted in 100 components = 0.0165114 Jy ! Clean residual min=-0.006889 max=0.008818 Jy/beam ! Clean residual mean=0.000277 rms=0.001802 Jy/beam ! Combined flux in latest and established models = 1.55811 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 131 components and 1.55811 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105977Jy sigma=0.001241 ! Fit after self-cal, rms=0.105640Jy sigma=0.001238 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save OQ208_X ! Writing UV FITS file: OQ208_X.uvf ! Writing 131 model components to file: OQ208_X.mod ! wwins: Wrote 5 windows to OQ208_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6295 x 1.314 at -16.25 degrees (North through East) ! Clean map min=-0.0068626 max=0.91868 Jy/beam ! Writing clean map to FITS file: OQ208_X.fits ! Writing difmap environment to: OQ208_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot OQ208_X] device OQ208_Xuv.ps/vps,1,2 ! Attempting to open device: 'OQ208_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device OQ208_Xim.ps/vps ! Attempting to open device: 'OQ208_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=0.6295 mas, bmaj=1.314 mas, bpa=-16.25 degrees ! Estimated noise=724.213 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6295 x 1.314 at -16.25 degrees (North through East) ! Clean map min=-0.0068626 max=0.91868 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file OQ208_X.log closed on Wed May 14 17:34:16 2008