! Started logfile: 3C309.1_X.log on Tue Apr 1 23:26:13 2008 observe 3C309.1_X.edt ! Reading UV FITS file: 3C309.1_X.edt ! AN table 1: 31 integrations on 136 of 136 possible baselines. ! AN table 2: 107 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.136083 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 3C309.1 ! ! 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 1222 lines of history. ! ! Reading 10216 visibilities. ![@gonzo8-0.1 3C309.1_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 479 telescope corrections were flagged in sub-array 1. ! A total of 1626 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 479 telescope corrections were flagged in sub-array 1. ! A total of 1627 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 471 telescope corrections were flagged in sub-array 1. ! A total of 1622 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 474 telescope corrections were flagged in sub-array 1. ! A total of 1638 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.405379Jy sigma=0.006165 ! Fit after self-cal, rms=0.399929Jy sigma=0.006049 ! 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=0.5997 mas, bmaj=0.9375 mas, bpa=6.057 degrees ! Estimated noise=1960.51 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 = 0.456085 Jy ! Total flux subtracted in 50 components = 0.456084 Jy ! Clean residual min=-0.038755 max=0.128010 Jy/beam ! Clean residual mean=-0.000066 rms=0.010794 Jy/beam ! Combined flux in latest and established models = 0.456084 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.456084 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.258437Jy sigma=0.004559 ! Fit after self-cal, rms=0.258439Jy sigma=0.004559 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.132914 Jy ! Total flux subtracted in 50 components = 0.132914 Jy ! Clean residual min=-0.026659 max=0.062468 Jy/beam ! Clean residual mean=-0.000022 rms=0.007144 Jy/beam ! Combined flux in latest and established models = 0.588998 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 10 components and 0.588998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179767Jy sigma=0.003159 ! Fit after self-cal, rms=0.179852Jy sigma=0.003159 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0716509 Jy ! Total flux subtracted in 50 components = 0.0716509 Jy ! Clean residual min=-0.021223 max=0.037488 Jy/beam ! Clean residual mean=-0.000000 rms=0.005673 Jy/beam ! Combined flux in latest and established models = 0.660649 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 11 components and 0.660649 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149825Jy sigma=0.002577 ! Fit after self-cal, rms=0.149888Jy sigma=0.002577 ! 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=0.7718 mas, bmaj=1.254 mas, bpa=7.434 degrees ! Estimated noise=1115.25 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 = 0.0608171 Jy ! Component: 100 - total flux cleaned = 0.0890157 Jy ! Total flux subtracted in 100 components = 0.0890157 Jy ! Clean residual min=-0.034416 max=0.063016 Jy/beam ! Clean residual mean=0.000319 rms=0.009501 Jy/beam ! Combined flux in latest and established models = 0.749665 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 32 components and 0.749665 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131749Jy sigma=0.002160 ! Fit after self-cal, rms=0.131797Jy sigma=0.002159 ! 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 0.97 FD 1.00* GC 1.06 HN 1.00* ! KK 0.94 KP 1.00* LA 1.00* MC 1.00* ! MK 1.05 NL 1.00* NY 1.24 ON 1.00* ! OV 0.96 PT 1.00* SC 1.00* WF 1.00* ! WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 1.07 GC 1.00 HN 1.01 ! KK 1.13 KP 0.92 LA 0.99 MC 0.99 ! MK 1.01 NL 1.02 NY 0.99 ON 0.99 ! OV 1.06 PT 1.00 SC 0.99 WF 1.01 ! WZ 1.02 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00* GC 1.06 HN 1.00* ! KK 0.90 KP 1.00* LA 1.00* MC 1.00* ! MK 1.09 NL 1.00* NY 1.21 ON 1.00* ! OV 0.95 PT 1.00* SC 1.00* WF 1.00* ! WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 1.03 GC 0.97 HN 1.00 ! KK 1.11 KP 0.94 LA 0.98 MC 0.95 ! MK 1.06 NL 0.99 NY 1.01 ON 0.99 ! OV 1.07 PT 0.99 SC 0.95 WF 1.01 ! WZ 1.00 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00* GC 1.02 HN 1.00* ! KK 1.04 KP 1.00* LA 1.00* MC 1.00* ! MK 1.08 NL 1.00* NY 1.08 ON 1.00* ! OV 0.92 PT 1.00* SC 1.00* WF 1.00* ! WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.04 GC 0.98 HN 1.02 ! KK 1.08 KP 0.94 LA 0.99 MC 1.00 ! MK 1.00 NL 0.91 NY 1.00 ON 0.99 ! OV 1.08 PT 1.00 SC 0.98 WF 1.01 ! WZ 1.04 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00* GC 1.04 HN 1.00* ! KK 1.04 KP 1.00* LA 1.00* MC 1.00* ! MK 1.07 NL 1.00* NY 1.25 ON 1.00* ! OV 0.90 PT 1.00* SC 1.00* WF 1.00* ! WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 1.05 GC 0.99 HN 0.98 ! KK 1.08 KP 0.92 LA 1.01 MC 1.00 ! MK 1.04 NL 0.93 NY 1.00 ON 0.99 ! OV 1.07 PT 1.01 SC 1.02 WF 0.99 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.131797Jy sigma=0.002159 ! Fit after self-cal, rms=0.127837Jy sigma=0.002004 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7756 mas, bmaj=1.279 mas, bpa=7.291 degrees ! Estimated noise=1112.71 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 = -0.00231784 Jy ! Component: 100 - total flux cleaned = -0.00248167 Jy ! Total flux subtracted in 100 components = -0.00248167 Jy ! Clean residual min=-0.026065 max=0.048600 Jy/beam ! Clean residual mean=0.000165 rms=0.007756 Jy/beam ! Combined flux in latest and established models = 0.747183 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 39 components and 0.747183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.127655Jy sigma=0.002004 ! Fit after self-cal, rms=0.127744Jy sigma=0.002003 ! 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 (7.1, -23.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0440177 Jy ! Component: 100 - total flux cleaned = 0.0649632 Jy ! Total flux subtracted in 100 components = 0.0649632 Jy ! Clean residual min=-0.020213 max=0.025961 Jy/beam ! Clean residual mean=-0.000041 rms=0.006335 Jy/beam ! Combined flux in latest and established models = 0.812146 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 76 components and 0.812146 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.115132Jy sigma=0.001751 ! Fit after self-cal, rms=0.101005Jy sigma=0.001527 ! Inverting map and beam ! Estimated beam: bmin=0.7736 mas, bmaj=1.278 mas, bpa=7.421 degrees ! Estimated noise=1115.81 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 = 0.0229372 Jy ! Component: 100 - total flux cleaned = 0.034791 Jy ! Total flux subtracted in 100 components = 0.034791 Jy ! Clean residual min=-0.015520 max=0.017389 Jy/beam ! Clean residual mean=-0.000082 rms=0.004529 Jy/beam ! Combined flux in latest and established models = 0.846937 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 120 components and 0.846937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097163Jy sigma=0.001432 ! Fit after self-cal, rms=0.095045Jy sigma=0.001408 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C309.1_X ! Writing UV FITS file: 3C309.1_X.uvf ! Writing 120 model components to file: 3C309.1_X.mod ! wwins: Wrote 2 windows to 3C309.1_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7736 x 1.278 at 7.421 degrees (North through East) ! Clean map min=-0.015515 max=0.6351 Jy/beam ! Writing clean map to FITS file: 3C309.1_X.fits ! Writing difmap environment to: 3C309.1_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 3C309.1_X] device 3C309.1_Xuv.ps/vps,1,2 ! Attempting to open device: '3C309.1_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 3C309.1_Xim.ps/vps ! Attempting to open device: '3C309.1_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=0.7736 mas, bmaj=1.278 mas, bpa=7.421 degrees ! Estimated noise=1115.81 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7736 x 1.278 at 7.421 degrees (North through East) ! Clean map min=-0.015515 max=0.6351 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 3C309.1_X.log closed on Tue Apr 1 23:26:19 2008