! Started logfile: 0454-234_S.log on Sun Mar 1 17:18:13 2009 observe 0454-234_S.edt ! Reading UV FITS file: 0454-234_S.edt ! AN table 1: 27 integrations on 190 of 190 possible baselines. ! AN table 2: 77 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.091751 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0454-234 ! ! 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 1477 lines of history. ! ! Reading 7252 visibilities. ![@gonzo7-0.4 0454-234_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 437 telescope corrections were flagged in sub-array 1. ! A total of 1304 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 401 telescope corrections were flagged in sub-array 1. ! A total of 1304 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 404 telescope corrections were flagged in sub-array 1. ! A total of 1304 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 403 telescope corrections were flagged in sub-array 1. ! A total of 1304 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.523026Jy sigma=3.596854 ! Fit after self-cal, rms=0.487455Jy sigma=3.511579 ! 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=2.477 mas, bmaj=4.558 mas, bpa=-1.245 degrees ! Estimated noise=1.93257 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 = 0.772503 Jy ! Total flux subtracted in 50 components = 0.772503 Jy ! Clean residual min=-0.066917 max=0.221527 Jy/beam ! Clean residual mean=0.000403 rms=0.019772 Jy/beam ! Combined flux in latest and established models = 0.772503 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 0.772503 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.451382Jy sigma=4.372432 ! Fit after self-cal, rms=0.451403Jy sigma=4.372416 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.200495 Jy ! Total flux subtracted in 50 components = 0.200495 Jy ! Clean residual min=-0.056571 max=0.079846 Jy/beam ! Clean residual mean=0.000026 rms=0.014335 Jy/beam ! Combined flux in latest and established models = 0.972998 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 15 components and 0.972998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.440202Jy sigma=3.426525 ! Fit after self-cal, rms=0.440199Jy sigma=3.426409 ! 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=3.199 mas, bmaj=4.13 mas, bpa=1.021 degrees ! Estimated noise=1.47416 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 = 0.0333791 Jy ! Component: 100 - total flux cleaned = 0.0325919 Jy ! Total flux subtracted in 100 components = 0.0325919 Jy ! Clean residual min=-0.079740 max=0.081945 Jy/beam ! Clean residual mean=-0.001693 rms=0.023599 Jy/beam ! Combined flux in latest and established models = 1.00559 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 21 components and 1.00559 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.441191Jy sigma=3.344755 ! Fit after self-cal, rms=0.441156Jy sigma=3.344546 ! 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 1.00* FD 0.98 GC 1.00* HH 1.01 ! HN 0.80 KK 1.00* KP 1.15 LA 1.20 ! MA 6.95 MC 0.92 MK 1.00* NL 0.86 ! NY 1.00* ON 2.82 OV 0.94 PT 0.86 ! SC 1.05 TS 1.00* WF 0.94 WZ 1.08 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.83 FD 0.95 GC 1.00* HH 0.83 ! HN 0.87 KK 1.00* KP 0.95 LA 0.98 ! MA 6.86 MC 0.87 MK 0.82 NL 0.82 ! NY 1.00* ON 1.11 OV 0.95 PT 0.86 ! SC 1.10 TS 1.00* WF 1.00* WZ 0.87 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.91 GC 1.00* HH 1.20 ! HN 0.89 KK 1.00* KP 1.15 LA 1.21 ! MA 3.58 MC 0.92 MK 1.00* NL 0.90 ! NY 1.00* ON 3.56 OV 0.86 PT 0.94 ! SC 0.85 TS 1.00* WF 1.00 WZ 1.12 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.83 FD 0.87 GC 1.00* HH 0.92 ! HN 0.89 KK 1.00* KP 1.02 LA 1.02 ! MA 3.84 MC 0.88 MK 0.89 NL 0.87 ! NY 1.00* ON 1.23 OV 0.85 PT 0.91 ! SC 0.95 TS 1.00* WF 1.00* WZ 0.86 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.91 GC 1.00* HH 0.72 ! HN 1.13 KK 1.00* KP 1.36 LA 1.12 ! MA 5.34 MC 1.99 MK 1.00* NL 0.95 ! NY 1.00* ON 3.60 OV 0.99 PT 0.98 ! SC 1.05 TS 1.00* WF 1.05 WZ 0.90 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.83 GC 1.00* HH 0.75 ! HN 1.00 KK 1.00* KP 1.14 LA 1.35 ! MA 1.78 MC 1.15 MK 1.03 NL 1.47 ! NY 1.00* ON 1.17 OV 0.82 PT 0.98 ! SC 0.97 TS 1.00* WF 1.00* WZ 0.86 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.77 GC 1.00* HH 0.82 ! HN 1.02 KK 1.00* KP 1.29 LA 1.00 ! MA 2.69 MC 2.53 MK 1.00* NL 1.02 ! NY 1.00* ON 2.32 OV 0.87 PT 0.91 ! SC 1.00 TS 1.00* WF 0.97 WZ 1.10 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 FD 0.74 GC 1.00* HH 0.72 ! HN 1.07 KK 1.00* KP 1.08 LA 0.87 ! MA 1.81 MC 1.06 MK 0.86 NL 0.91 ! NY 1.00* ON 1.12 OV 0.85 PT 0.95 ! SC 1.02 TS 1.00* WF 1.00* WZ 0.90 ! ! ! Fit before self-cal, rms=0.441156Jy sigma=3.344546 ! Fit after self-cal, rms=1.113568Jy sigma=1.410073 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.229 mas, bmaj=4.271 mas, bpa=1.782 degrees ! Estimated noise=1.47513 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 = 0.00141578 Jy ! Component: 100 - total flux cleaned = 0.00174901 Jy ! Total flux subtracted in 100 components = 0.00174901 Jy ! Clean residual min=-0.013508 max=0.015017 Jy/beam ! Clean residual mean=0.000445 rms=0.003306 Jy/beam ! Combined flux in latest and established models = 1.00734 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 25 components and 1.00734 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.113359Jy sigma=1.401845 ! Fit after self-cal, rms=1.115141Jy sigma=1.399905 ! 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 = -0.000297457 Jy ! Component: 100 - total flux cleaned = -0.000294761 Jy ! Total flux subtracted in 100 components = -0.000294761 Jy ! Clean residual min=-0.012791 max=0.014584 Jy/beam ! Clean residual mean=0.000443 rms=0.003237 Jy/beam ! Combined flux in latest and established models = 1.00704 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 28 components and 1.00704 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.115031Jy sigma=1.395707 ! Fit after self-cal, rms=1.166337Jy sigma=1.151730 ! Inverting map and beam ! Estimated beam: bmin=3.229 mas, bmaj=4.296 mas, bpa=0.9569 degrees ! Estimated noise=1.47592 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 = 0.00173607 Jy ! Component: 100 - total flux cleaned = 0.00211743 Jy ! Total flux subtracted in 100 components = 0.00211743 Jy ! Clean residual min=-0.007859 max=0.009812 Jy/beam ! Clean residual mean=0.000261 rms=0.002110 Jy/beam ! Combined flux in latest and established models = 1.00916 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 28 components and 1.00916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.166300Jy sigma=1.147637 ! Fit after self-cal, rms=1.167603Jy sigma=1.146730 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0454-234_S ! Writing UV FITS file: 0454-234_S.uvf ! Writing 28 model components to file: 0454-234_S.mod ! wwins: Wrote 1 windows to 0454-234_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.229 x 4.296 at 0.9569 degrees (North through East) ! Clean map min=-0.0074606 max=0.92281 Jy/beam ! Writing clean map to FITS file: 0454-234_S.fits ! Writing difmap environment to: 0454-234_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0454-234_S] device 0454-234_Suv.ps/vps,1,2 ! Attempting to open device: '0454-234_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0454-234_Sim.ps/vps ! Attempting to open device: '0454-234_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=3.229 mas, bmaj=4.296 mas, bpa=0.9569 degrees ! Estimated noise=1.47592 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.229 x 4.296 at 0.9569 degrees (North through East) ! Clean map min=-0.0074606 max=0.92281 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 0454-234_S.log closed on Sun Mar 1 17:18:19 2009