! Started logfile: CTA26_X.log on Wed Aug 3 11:25:41 2005 observe CTA26_X.edt ! Reading UV FITS file: CTA26_X.edt ! AN table 1: 24 integrations on 171 of 171 possible baselines. ! AN table 2: 51 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.203509 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: CTA26 ! ! 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 1818 lines of history. ! ! Reading 10440 visibilities. ![@gonzo8-0.1 CTA26_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 235 telescope corrections were flagged in sub-array 1. ! A total of 786 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 235 telescope corrections were flagged in sub-array 1. ! A total of 786 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 235 telescope corrections were flagged in sub-array 1. ! A total of 786 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 235 telescope corrections were flagged in sub-array 1. ! A total of 786 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.731970Jy sigma=0.013395 ! Fit after self-cal, rms=0.731906Jy sigma=0.013395 ! 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=0.8021 mas, bmaj=1.792 mas, bpa=2.664 degrees ! Estimated noise=1200.5 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 = 1.27034 Jy ! Total flux subtracted in 50 components = 1.27034 Jy ! Clean residual min=-0.072256 max=0.354331 Jy/beam ! Clean residual mean=0.000937 rms=0.027267 Jy/beam ! Combined flux in latest and established models = 1.27034 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1.27034 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.489204Jy sigma=0.009079 ! Fit after self-cal, rms=0.489204Jy sigma=0.009079 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.309013 Jy ! Total flux subtracted in 50 components = 0.309013 Jy ! Clean residual min=-0.046790 max=0.121608 Jy/beam ! Clean residual mean=0.000566 rms=0.014127 Jy/beam ! Combined flux in latest and established models = 1.57936 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 13 components and 1.57936 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.268861Jy sigma=0.004962 ! Fit after self-cal, rms=0.268745Jy sigma=0.004957 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.12708 Jy ! Total flux subtracted in 50 components = 0.12708 Jy ! Clean residual min=-0.038603 max=0.095601 Jy/beam ! Clean residual mean=0.000413 rms=0.010181 Jy/beam ! Combined flux in latest and established models = 1.70644 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 19 components and 1.70644 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209755Jy sigma=0.003724 ! Fit after self-cal, rms=0.209606Jy sigma=0.003721 ! Inverting map ! Added new window around map position (1.4, 0.3). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0909026 Jy ! Total flux subtracted in 50 components = 0.0909026 Jy ! Clean residual min=-0.031978 max=0.042976 Jy/beam ! Clean residual mean=0.000305 rms=0.007567 Jy/beam ! Combined flux in latest and established models = 1.79734 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 37 components and 1.79734 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165150Jy sigma=0.002855 ! Fit after self-cal, rms=0.159902Jy sigma=0.002802 ! 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=1.037 mas, bmaj=2.312 mas, bpa=-4.879 degrees ! Estimated noise=528.018 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 = 0.0842622 Jy ! Component: 100 - total flux cleaned = 0.130126 Jy ! Total flux subtracted in 100 components = 0.130126 Jy ! Clean residual min=-0.017023 max=0.032035 Jy/beam ! Clean residual mean=0.000780 rms=0.006119 Jy/beam ! Combined flux in latest and established models = 1.92747 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 47 model components to the UV plane model. ! The established model now contains 78 components and 1.92747 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.118163Jy sigma=0.001909 ! Fit after self-cal, rms=0.113068Jy sigma=0.001838 ! 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 0.98 FD 0.96 GC 1.04 HH 1.00* ! HN 1.00 KK 1.00* KP 0.98 LA 0.97 ! MC 1.00* MK 1.02 NL 1.04 NY 1.00* ! ON 1.00* OV 1.02 PT 0.99 SC 1.05 ! TS 1.00* WF 1.02 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.97 GC 1.00* HH 1.00* ! HN 1.02 KK 1.00* KP 0.99 LA 0.99 ! MC 1.00* MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 1.00 PT 0.99 SC 0.97 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 GC 1.06 HH 1.00* ! HN 1.00 KK 1.00* KP 0.98 LA 0.96 ! MC 1.00* MK 1.01 NL 1.03 NY 1.00* ! ON 1.00* OV 1.02 PT 0.99 SC 1.02 ! TS 1.00* WF 1.01 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 0.99 LA 0.99 ! MC 1.00* MK 1.00* NL 1.01 NY 1.00* ! ON 1.00* OV 1.01 PT 0.98 SC 1.01 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.95 GC 1.05 HH 1.00* ! HN 1.01 KK 1.00* KP 0.99 LA 0.97 ! MC 1.00* MK 1.02 NL 1.03 NY 1.00* ! ON 1.00* OV 1.01 PT 0.98 SC 1.02 ! TS 1.00* WF 0.97 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.98 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 0.99 LA 0.98 ! MC 1.00* MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 1.00 PT 0.99 SC 0.99 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.95 GC 1.07 HH 1.00* ! HN 1.00 KK 1.00* KP 0.97 LA 0.96 ! MC 1.00* MK 1.03 NL 1.04 NY 1.00* ! ON 1.00* OV 1.01 PT 0.98 SC 1.07 ! TS 1.00* WF 1.00 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 1.00 LA 0.98 ! MC 1.00* MK 1.00* NL 0.98 NY 1.00* ! ON 1.00* OV 1.00 PT 0.99 SC 1.04 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.113068Jy sigma=0.001838 ! Fit after self-cal, rms=0.099568Jy sigma=0.001512 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.047 mas, bmaj=2.337 mas, bpa=-4.851 degrees ! Estimated noise=523.066 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 = 0.01367 Jy ! Component: 100 - total flux cleaned = 0.0147256 Jy ! Total flux subtracted in 100 components = 0.0147256 Jy ! Clean residual min=-0.010344 max=0.017949 Jy/beam ! Clean residual mean=0.000724 rms=0.002923 Jy/beam ! Combined flux in latest and established models = 1.94219 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 103 components and 1.94219 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097095Jy sigma=0.001465 ! Fit after self-cal, rms=0.096497Jy sigma=0.001459 ! 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 (3.3, 1.7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0164665 Jy ! Component: 100 - total flux cleaned = 0.0194949 Jy ! Total flux subtracted in 100 components = 0.0194949 Jy ! Clean residual min=-0.009751 max=0.012074 Jy/beam ! Clean residual mean=0.000634 rms=0.002358 Jy/beam ! Combined flux in latest and established models = 1.96169 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 115 components and 1.96169 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.093691Jy sigma=0.001404 ! Fit after self-cal, rms=0.086353Jy sigma=0.001286 ! Inverting map and beam ! Estimated beam: bmin=1.046 mas, bmaj=2.336 mas, bpa=-4.871 degrees ! Estimated noise=523.252 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 = 0.0108727 Jy ! Component: 100 - total flux cleaned = 0.0152877 Jy ! Total flux subtracted in 100 components = 0.0152877 Jy ! Clean residual min=-0.004966 max=0.008046 Jy/beam ! Clean residual mean=0.000613 rms=0.001596 Jy/beam ! Combined flux in latest and established models = 1.97697 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 134 components and 1.97697 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084952Jy sigma=0.001262 ! Fit after self-cal, rms=0.084680Jy sigma=0.001258 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save CTA26_X ! Writing UV FITS file: CTA26_X.uvf ! Writing 134 model components to file: CTA26_X.mod ! wwins: Wrote 3 windows to CTA26_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.046 x 2.336 at -4.871 degrees (North through East) ! Clean map min=-0.0052925 max=1.6402 Jy/beam ! Writing clean map to FITS file: CTA26_X.fits ! Writing difmap environment to: CTA26_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot CTA26_X] device CTA26_Xuv.ps/vps,1,2 ! Attempting to open device: 'CTA26_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device CTA26_Xim.ps/vps ! Attempting to open device: 'CTA26_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=1.046 mas, bmaj=2.336 mas, bpa=-4.871 degrees ! Estimated noise=523.252 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.046 x 2.336 at -4.871 degrees (North through East) ! Clean map min=-0.0052925 max=1.6402 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file CTA26_X.log closed on Wed Aug 3 11:26:05 2005