! Started logfile: CTA26_S.log on Mon Aug 22 09:14:16 2005 observe CTA26_S.edt ! Reading UV FITS file: CTA26_S.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: 0.215283 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1565 lines of history. ! ! Reading 11044 visibilities. ![@gonzo7-0.4 CTA26_S] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.4 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 0.400x0.400 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 788 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 778 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 802 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 778 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.876849Jy sigma=0.014467 ! Fit after self-cal, rms=0.877123Jy sigma=0.014473 ! 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=3.255 mas, bmaj=6.936 mas, bpa=1.603 degrees ! Estimated noise=1145.99 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 = 1.31972 Jy ! Total flux subtracted in 50 components = 1.31972 Jy ! Clean residual min=-0.092890 max=0.417706 Jy/beam ! Clean residual mean=0.000850 rms=0.032967 Jy/beam ! Combined flux in latest and established models = 1.31972 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 6 components and 1.31972 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.609899Jy sigma=0.010148 ! Fit after self-cal, rms=0.609964Jy sigma=0.010146 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.405913 Jy ! Total flux subtracted in 50 components = 0.405914 Jy ! Clean residual min=-0.046011 max=0.168755 Jy/beam ! Clean residual mean=0.000420 rms=0.015729 Jy/beam ! Combined flux in latest and established models = 1.72563 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 13 components and 1.72563 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304750Jy sigma=0.005079 ! Fit after self-cal, rms=0.304278Jy sigma=0.005068 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.179659 Jy ! Total flux subtracted in 50 components = 0.179659 Jy ! Clean residual min=-0.026245 max=0.079703 Jy/beam ! Clean residual mean=0.000227 rms=0.008939 Jy/beam ! Combined flux in latest and established models = 1.90529 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 20 components and 1.90529 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193390Jy sigma=0.003146 ! Fit after self-cal, rms=0.192899Jy sigma=0.003137 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0870088 Jy ! Total flux subtracted in 50 components = 0.0870088 Jy ! Clean residual min=-0.018008 max=0.039138 Jy/beam ! Clean residual mean=0.000134 rms=0.006232 Jy/beam ! Combined flux in latest and established models = 1.9923 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 27 components and 1.9923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154429Jy sigma=0.002415 ! Fit after self-cal, rms=0.154265Jy sigma=0.002412 ! 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=3.907 mas, bmaj=8.529 mas, bpa=-4.574 degrees ! Estimated noise=575.21 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 = 0.0611756 Jy ! Component: 100 - total flux cleaned = 0.0892302 Jy ! Total flux subtracted in 100 components = 0.0892302 Jy ! Clean residual min=-0.011790 max=0.021844 Jy/beam ! Clean residual mean=0.000360 rms=0.004024 Jy/beam ! Combined flux in latest and established models = 2.08153 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 50 components and 2.08153 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135815Jy sigma=0.001999 ! Fit after self-cal, rms=0.135691Jy sigma=0.001997 ! 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 0.97 GC 1.05 HH 1.00* ! HN 1.00 KK 1.00* KP 1.01 LA 0.99 ! MC 1.00* MK 1.05 NL 1.00 NY 1.00* ! ON 1.00* OV 0.98 PT 0.98 SC 1.01 ! TS 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 1.00 FD 1.05 GC 1.00* HH 1.00* ! HN 1.00 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 0.98 SC 0.94 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 GC 1.04 HH 1.00* ! HN 1.01 KK 1.00* KP 0.98 LA 0.99 ! MC 1.00* MK 1.04 NL 1.00 NY 1.00* ! ON 1.00* OV 0.99 PT 0.99 SC 1.01 ! TS 1.00* WF 1.00 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.03 GC 1.00* HH 1.00* ! HN 1.02 KK 1.00* KP 0.99 LA 0.97 ! MC 1.00* MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 0.99 PT 0.98 SC 0.99 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 GC 1.03 HH 1.00* ! HN 1.03 KK 1.00* KP 1.00 LA 1.14 ! MC 1.00* MK 0.97 NL 1.00 NY 1.00* ! ON 1.00* OV 0.99 PT 0.98 SC 1.11 ! TS 1.00* WF 1.01 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.01 GC 1.00* HH 1.00* ! HN 1.11 KK 1.00* KP 0.99 LA 0.95 ! MC 1.00* MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 0.99 PT 0.98 SC 1.03 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 GC 1.04 HH 1.00* ! HN 0.99 KK 1.00* KP 0.99 LA 0.98 ! MC 1.00* MK 0.96 NL 1.00 NY 1.00* ! ON 1.00* OV 0.97 PT 1.01 SC 1.12 ! TS 1.00* WF 1.03 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 GC 1.00* HH 1.00* ! HN 1.04 KK 1.00* KP 1.01 LA 0.98 ! MC 1.00* MK 1.00* NL 0.99 NY 1.00* ! ON 1.00* OV 1.00 PT 0.98 SC 1.03 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.135691Jy sigma=0.001997 ! Fit after self-cal, rms=0.117103Jy sigma=0.001631 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.914 mas, bmaj=8.571 mas, bpa=-4.682 degrees ! Estimated noise=573.649 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 = 0.000193679 Jy ! Component: 100 - total flux cleaned = -0.00022395 Jy ! Total flux subtracted in 100 components = -0.00022395 Jy ! Clean residual min=-0.008516 max=0.011919 Jy/beam ! Clean residual mean=0.000513 rms=0.002777 Jy/beam ! Combined flux in latest and established models = 2.0813 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 56 components and 2.0813 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.116840Jy sigma=0.001628 ! Fit after self-cal, rms=0.116802Jy sigma=0.001627 ! 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 = 0.000321014 Jy ! Component: 100 - total flux cleaned = 0.000542262 Jy ! Total flux subtracted in 100 components = 0.000542262 Jy ! Clean residual min=-0.008543 max=0.011497 Jy/beam ! Clean residual mean=0.000511 rms=0.002751 Jy/beam ! Combined flux in latest and established models = 2.08185 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 59 components and 2.08185 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.116672Jy sigma=0.001626 ! Fit after self-cal, rms=0.095443Jy sigma=0.001355 ! Inverting map and beam ! Estimated beam: bmin=3.91 mas, bmaj=8.577 mas, bpa=-4.749 degrees ! Estimated noise=573.541 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) ! Added new window around map position (5.2, 2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0111203 Jy ! Component: 100 - total flux cleaned = 0.0150976 Jy ! Total flux subtracted in 100 components = 0.0150976 Jy ! Clean residual min=-0.005997 max=0.007869 Jy/beam ! Clean residual mean=0.000381 rms=0.001516 Jy/beam ! Combined flux in latest and established models = 2.09694 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 79 components and 2.09694 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.094092Jy sigma=0.001335 ! Fit after self-cal, rms=0.093859Jy sigma=0.001333 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save CTA26_S ! Writing UV FITS file: CTA26_S.uvf ! Writing 79 model components to file: CTA26_S.mod ! wwins: Wrote 2 windows to CTA26_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.91 x 8.577 at -4.749 degrees (North through East) ! Clean map min=-0.0062503 max=1.717 Jy/beam ! Writing clean map to FITS file: CTA26_S.fits ! Writing difmap environment to: CTA26_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot CTA26_S] device CTA26_Suv.ps/vps,1,2 ! Attempting to open device: 'CTA26_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device CTA26_Sim.ps/vps ! Attempting to open device: 'CTA26_Sim.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=3.91 mas, bmaj=8.577 mas, bpa=-4.749 degrees ! Estimated noise=573.541 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.91 x 8.577 at -4.749 degrees (North through East) ! Clean map min=-0.0062503 max=1.717 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file CTA26_S.log closed on Mon Aug 22 09:15:10 2005