! Started logfile: 1954-388_X.log on Thu Aug 14 11:14:36 2008 observe 1954-388_X.edt2 ! Reading UV FITS file: 1954-388_X.edt2 ! AN table 1: 18 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.103639 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1954-388 ! ! 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 1530 lines of history. ! ! Reading 1276 visibilities. ![@gonzo7-0.1 1954-388_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 = 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 0.100x0.100 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 243 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 243 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 243 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 249 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.436674Jy sigma=5.908214 ! Fit after self-cal, rms=0.436656Jy sigma=5.910504 ! 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=0.6788 mas, bmaj=1.986 mas, bpa=-10.45 degrees ! Estimated noise=2.91043 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 = 0.504352 Jy ! Total flux subtracted in 50 components = 0.504351 Jy ! Clean residual min=-0.071895 max=0.166230 Jy/beam ! Clean residual mean=-0.001044 rms=0.029177 Jy/beam ! Combined flux in latest and established models = 0.504351 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 5 components and 0.504351 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.352262Jy sigma=6.934020 ! Fit after self-cal, rms=0.351741Jy sigma=6.932774 ! 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=0.92 mas, bmaj=2.889 mas, bpa=1.467 degrees ! Estimated noise=1.62239 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 = 0.25614 Jy ! Component: 100 - total flux cleaned = 0.379009 Jy ! Total flux subtracted in 100 components = 0.379009 Jy ! Clean residual min=-0.035770 max=0.085375 Jy/beam ! Clean residual mean=-0.000629 rms=0.015392 Jy/beam ! Combined flux in latest and established models = 0.883361 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 34 components and 0.883361 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181102Jy sigma=2.902449 ! Fit after self-cal, rms=0.179412Jy sigma=2.880806 ! 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 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.85 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.00 LA 0.86 ! MA 1.00* MK 1.13 NL 1.10 NY 1.00* ! OV 0.95 PT 0.86 SC 1.16 TS 1.00* ! WF 1.45 WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.89 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.91 LA 0.86 ! MA 1.00* MK 1.02 NL 0.94 NY 1.00* ! OV 1.00 PT 1.01 SC 1.01 TS 1.00* ! WF 1.38 WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.89 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.78 LA 0.98 ! MA 1.00* MK 1.08 NL 0.95 NY 1.00* ! OV 0.89 PT 0.96 SC 0.89 TS 1.00* ! WF 1.38 WZ 1.00* GG 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 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.81 LA 1.17 ! MA 1.00* MK 1.07 NL 1.04 NY 1.00* ! OV 0.97 PT 0.97 SC 0.90 TS 1.00* ! WF 1.30 WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.179412Jy sigma=2.880806 ! Fit after self-cal, rms=0.132935Jy sigma=1.339496 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9329 mas, bmaj=2.936 mas, bpa=2.788 degrees ! Estimated noise=1.57483 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 (-3.9, 8.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.011146 Jy ! Component: 100 - total flux cleaned = 0.00833724 Jy ! Total flux subtracted in 100 components = 0.00833724 Jy ! Clean residual min=-0.008666 max=0.010454 Jy/beam ! Clean residual mean=-0.000019 rms=0.002511 Jy/beam ! Combined flux in latest and established models = 0.891698 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 43 components and 0.891698 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129157Jy sigma=1.310245 ! Fit after self-cal, rms=0.128676Jy sigma=1.300016 ! 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 = 7.40302e-05 Jy ! Component: 100 - total flux cleaned = -0.0012971 Jy ! Total flux subtracted in 100 components = -0.0012971 Jy ! Clean residual min=-0.008419 max=0.010185 Jy/beam ! Clean residual mean=-0.000020 rms=0.002358 Jy/beam ! Combined flux in latest and established models = 0.890401 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 53 components and 0.890401 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127727Jy sigma=1.296108 ! Fit after self-cal, rms=0.124597Jy sigma=1.198732 ! Inverting map and beam ! Estimated beam: bmin=0.9307 mas, bmaj=2.934 mas, bpa=2.78 degrees ! Estimated noise=1.5629 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 = -0.00181055 Jy ! Component: 100 - total flux cleaned = -0.00180293 Jy ! Total flux subtracted in 100 components = -0.00180293 Jy ! Clean residual min=-0.008043 max=0.009356 Jy/beam ! Clean residual mean=-0.000037 rms=0.002198 Jy/beam ! Combined flux in latest and established models = 0.888598 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 65 components and 0.888598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123954Jy sigma=1.197446 ! Fit after self-cal, rms=0.123808Jy sigma=1.195365 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1954-388_X ! Writing UV FITS file: 1954-388_X.uvf ! Writing 65 model components to file: 1954-388_X.mod ! wwins: Wrote 2 windows to 1954-388_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9307 x 2.934 at 2.78 degrees (North through East) ! Clean map min=-0.0079334 max=0.60681 Jy/beam ! Writing clean map to FITS file: 1954-388_X.fits ! Writing difmap environment to: 1954-388_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1954-388_X] device 1954-388_Xuv.ps/vps,1,2 ! Attempting to open device: '1954-388_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1954-388_Xim.ps/vps ! Attempting to open device: '1954-388_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=0.9307 mas, bmaj=2.934 mas, bpa=2.78 degrees ! Estimated noise=1.5629 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9307 x 2.934 at 2.78 degrees (North through East) ! Clean map min=-0.0079334 max=0.60681 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1] quit ! Quitting program ! Log file 1954-388_X.log closed on Thu Aug 14 11:14:42 2008