! Started logfile: CTA26_X.log on Thu Aug 14 16:34:21 2008 observe CTA26_X.edt ! Reading UV FITS file: CTA26_X.edt ! AN table 1: 16 integrations on 171 of 171 possible baselines. ! AN table 2: 18 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0503956 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 1526 lines of history. ! ! Reading 1172 visibilities. ![@gonzo6-0.1 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 = 6.0 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 258 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 261 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 258 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 258 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.538766Jy sigma=6.539658 ! Fit after self-cal, rms=0.527305Jy sigma=6.577433 ! 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=0.4306 mas, bmaj=2.535 mas, bpa=-8.029 degrees ! Estimated noise=2.75788 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 = 0.595083 Jy ! Total flux subtracted in 50 components = 0.595083 Jy ! Clean residual min=-0.081384 max=0.257542 Jy/beam ! Clean residual mean=0.004915 rms=0.037840 Jy/beam ! Combined flux in latest and established models = 0.595083 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 0.595083 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.527868Jy sigma=8.629215 ! Fit after self-cal, rms=0.524774Jy sigma=8.614095 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.290298 Jy ! Total flux subtracted in 50 components = 0.290298 Jy ! Clean residual min=-0.050310 max=0.135025 Jy/beam ! Clean residual mean=0.003443 rms=0.020807 Jy/beam ! Combined flux in latest and established models = 0.885381 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 10 components and 0.885381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.335711Jy sigma=5.100036 ! Fit after self-cal, rms=0.333115Jy sigma=5.080549 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.154179 Jy ! Total flux subtracted in 50 components = 0.154179 Jy ! Clean residual min=-0.033496 max=0.071233 Jy/beam ! Clean residual mean=0.002661 rms=0.012902 Jy/beam ! Combined flux in latest and established models = 1.03956 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 12 components and 1.03956 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249606Jy sigma=3.462123 ! Fit after self-cal, rms=0.248602Jy sigma=3.450901 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0828517 Jy ! Total flux subtracted in 50 components = 0.0828517 Jy ! Clean residual min=-0.029962 max=0.052737 Jy/beam ! Clean residual mean=0.002241 rms=0.009902 Jy/beam ! Combined flux in latest and established models = 1.12241 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 17 components and 1.12241 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.215393Jy sigma=2.773285 ! Fit after self-cal, rms=0.214981Jy sigma=2.764484 ! 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=0.5524 mas, bmaj=2.724 mas, bpa=-6.793 degrees ! Estimated noise=2.16893 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 = 0.0737042 Jy ! Component: 100 - total flux cleaned = 0.118064 Jy ! Total flux subtracted in 100 components = 0.118064 Jy ! Clean residual min=-0.027681 max=0.071173 Jy/beam ! Clean residual mean=0.007249 rms=0.011421 Jy/beam ! Combined flux in latest and established models = 1.24048 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 26 components and 1.24048 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.188225Jy sigma=2.263847 ! Fit after self-cal, rms=0.187902Jy sigma=2.249368 ! Inverting map ! Added new window around map position (1.7, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0658087 Jy ! Component: 100 - total flux cleaned = 0.103054 Jy ! Total flux subtracted in 100 components = 0.103054 Jy ! Clean residual min=-0.020788 max=0.027384 Jy/beam ! Clean residual mean=0.005269 rms=0.006192 Jy/beam ! Combined flux in latest and established models = 1.34353 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 38 model components to the UV plane model. ! The established model now contains 62 components and 1.34353 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163631Jy sigma=1.865922 ! Fit after self-cal, rms=0.163923Jy sigma=1.830695 ! 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 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HH 1.00* ! HN 0.99 KK 1.00* KP 0.99 LA 1.00 ! MA 0.92 MK 1.00* NL 1.04 NY 1.00* ! OV 1.00* PT 0.96 SC 1.00 TS 1.00* ! WF 0.93 WZ 0.97 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GC 1.00* HH 1.00* ! HN 0.99 KK 1.00* KP 1.03 LA 1.00 ! MA 0.93 MK 1.00* NL 1.02 NY 1.00* ! OV 1.00* PT 0.95 SC 0.96 TS 1.00* ! WF 0.89 WZ 0.91 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GC 1.00* HH 1.00* ! HN 1.02 KK 1.00* KP 1.00 LA 1.00 ! MA 0.97 MK 1.00* NL 1.05 NY 1.00* ! OV 1.00* PT 0.96 SC 0.96 TS 1.00* ! WF 0.99 WZ 0.95 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.05 GC 1.00* HH 1.00* ! HN 0.98 KK 1.00* KP 1.02 LA 0.98 ! MA 1.03 MK 1.00* NL 1.01 NY 1.00* ! OV 1.00* PT 0.97 SC 0.93 TS 1.00* ! WF 0.98 WZ 0.85 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Fit before self-cal, rms=0.163923Jy sigma=1.830695 ! Fit after self-cal, rms=0.145111Jy sigma=1.514302 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.545 mas, bmaj=2.701 mas, bpa=-6.897 degrees ! Estimated noise=2.08736 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 = 0.0228318 Jy ! Component: 100 - total flux cleaned = 0.0368519 Jy ! Total flux subtracted in 100 components = 0.0368519 Jy ! Clean residual min=-0.011058 max=0.017181 Jy/beam ! Clean residual mean=0.002556 rms=0.003378 Jy/beam ! Combined flux in latest and established models = 1.38038 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 78 components and 1.38038 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140431Jy sigma=1.479411 ! Fit after self-cal, rms=0.140507Jy sigma=1.461025 ! Inverting map ! Added new window around map position (10.5, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0146055 Jy ! Component: 100 - total flux cleaned = 0.0223649 Jy ! Total flux subtracted in 100 components = 0.0223649 Jy ! Clean residual min=-0.009290 max=0.012725 Jy/beam ! Clean residual mean=0.002125 rms=0.002888 Jy/beam ! Combined flux in latest and established models = 1.40275 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 92 components and 1.40275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137885Jy sigma=1.434757 ! Fit after self-cal, rms=0.137765Jy sigma=1.428873 ! 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 (-10.9, -1.1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0117045 Jy ! Component: 100 - total flux cleaned = 0.0192495 Jy ! Total flux subtracted in 100 components = 0.0192495 Jy ! Clean residual min=-0.008884 max=0.012010 Jy/beam ! Clean residual mean=0.001783 rms=0.002620 Jy/beam ! Combined flux in latest and established models = 1.422 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 110 components and 1.422 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136167Jy sigma=1.413668 ! Fit after self-cal, rms=0.135272Jy sigma=1.375672 ! Inverting map and beam ! Estimated beam: bmin=0.5456 mas, bmaj=2.699 mas, bpa=-6.935 degrees ! Estimated noise=2.0827 mJy/beam. ! Added new window around map position (-19.6, -11.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0109067 Jy ! Component: 100 - total flux cleaned = 0.0168557 Jy ! Total flux subtracted in 100 components = 0.0168557 Jy ! Clean residual min=-0.008740 max=0.009121 Jy/beam ! Clean residual mean=0.001241 rms=0.002405 Jy/beam ! Combined flux in latest and established models = 1.43885 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 131 components and 1.43885 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.133568Jy sigma=1.361512 ! Fit after self-cal, rms=0.133219Jy sigma=1.342025 ! Inverting map and beam ! Estimated beam: bmin=0.5458 mas, bmaj=2.7 mas, bpa=-6.94 degrees ! Estimated noise=2.08029 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 = 0.00306443 Jy ! Component: 100 - total flux cleaned = 0.00649955 Jy ! Total flux subtracted in 100 components = 0.00649955 Jy ! Clean residual min=-0.008331 max=0.008422 Jy/beam ! Clean residual mean=0.000865 rms=0.002243 Jy/beam ! Combined flux in latest and established models = 1.44535 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 145 components and 1.44535 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132148Jy sigma=1.335356 ! Fit after self-cal, rms=0.131940Jy sigma=1.329499 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save CTA26_X ! Writing UV FITS file: CTA26_X.uvf ! Writing 145 model components to file: CTA26_X.mod ! wwins: Wrote 5 windows to CTA26_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5458 x 2.7 at -6.94 degrees (North through East) ! Clean map min=-0.0086608 max=0.80415 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=0.5458 mas, bmaj=2.7 mas, bpa=-6.94 degrees ! Estimated noise=2.08029 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5458 x 2.7 at -6.94 degrees (North through East) ! Clean map min=-0.0086608 max=0.80415 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.1] quit ! Quitting program ! Log file CTA26_X.log closed on Thu Aug 14 16:34:30 2008