! Started logfile: 1921-293_S.log on Thu Jul 20 13:47:42 2006 observe 1921-293_S.edt ! Reading UV FITS file: 1921-293_S.edt ! AN table 1: 24 integrations on 190 of 190 possible baselines. ! AN table 2: 14 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.101662 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1921-293 ! ! 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 1588 lines of history. ! ! Reading 2936 visibilities. ![@gonzo7-0.4 1921-293_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 429 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 429 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 442 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 429 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=5.037882Jy sigma=0.062916 ! Fit after self-cal, rms=5.069351Jy sigma=0.063292 ! 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=2.997 mas, bmaj=13.56 mas, bpa=-2.923 degrees ! Estimated noise=2501.09 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 = 3.53657 Jy ! Total flux subtracted in 50 components = 3.53657 Jy ! Clean residual min=-0.588153 max=1.484412 Jy/beam ! Clean residual mean=0.007542 rms=0.216766 Jy/beam ! Combined flux in latest and established models = 3.53657 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 3.53657 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.199133Jy sigma=0.039775 ! Fit after self-cal, rms=3.196404Jy sigma=0.039751 ! 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=3.533 mas, bmaj=14.65 mas, bpa=-2.71 degrees ! Estimated noise=1726.98 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 = 2.33186 Jy ! Component: 100 - total flux cleaned = 3.3735 Jy ! Total flux subtracted in 100 components = 3.3735 Jy ! Clean residual min=-0.181981 max=0.657120 Jy/beam ! Clean residual mean=0.007657 rms=0.094023 Jy/beam ! Combined flux in latest and established models = 6.91006 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 27 model components to the UV plane model. ! The established model now contains 31 components and 6.91006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.092852Jy sigma=0.013245 ! Fit after self-cal, rms=1.067034Jy sigma=0.012942 ! Inverting map ! Added new window around map position (4.8, 3.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.627859 Jy ! Component: 100 - total flux cleaned = 0.928554 Jy ! Total flux subtracted in 100 components = 0.928554 Jy ! Clean residual min=-0.116584 max=0.225535 Jy/beam ! Clean residual mean=0.001950 rms=0.040185 Jy/beam ! Combined flux in latest and established models = 7.83862 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 60 components and 7.83862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.667533Jy sigma=0.007844 ! Fit after self-cal, rms=0.640343Jy sigma=0.007465 ! 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 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GC 1.00* HN 1.01 ! LA 1.00* NL 1.05 OV 1.01 SC 1.01 ! WF 0.97 GG 1.00* HH 1.00* KK 1.00* ! KP 0.96 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.97 GC 1.00* HN 1.00* ! LA 0.97 NL 1.00* OV 0.98 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.93 ! KP 0.95 MA 1.00* MC 1.00* MK 1.01 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.89 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GC 1.00* HN 0.99 ! LA 1.00* NL 1.05 OV 1.02 SC 1.05 ! WF 0.98 GG 1.00* HH 1.00* KK 1.00* ! KP 1.05 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.92 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.01 GC 1.00* HN 1.00* ! LA 1.06 NL 1.00* OV 0.97 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.95 ! KP 1.01 MA 1.00* MC 1.00* MK 0.99 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.89 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HN 1.00* ! LA 1.00* NL 0.96 OV 0.97 SC 1.13 ! WF 0.77 GG 1.00* HH 1.00* KK 1.00* ! KP 0.95 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00 GC 1.00* HN 1.00* ! LA 1.03 NL 1.00* OV 0.98 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.92 ! KP 0.96 MA 1.00* MC 1.00* MK 0.99 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.94 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HN 0.99 ! LA 1.00* NL 1.08 OV 1.01 SC 1.04 ! WF 0.72 GG 1.00* HH 1.00* KK 1.00* ! KP 1.02 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.90 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.99 GC 1.00* HN 1.00* ! LA 1.05 NL 1.00* OV 0.97 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.91 ! KP 1.00 MA 1.00* MC 1.00* MK 0.98 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.94 ! ! ! Fit before self-cal, rms=0.640343Jy sigma=0.007465 ! Fit after self-cal, rms=0.426058Jy sigma=0.005344 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.503 mas, bmaj=15.09 mas, bpa=-3.163 degrees ! Estimated noise=1680.92 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 = 0.0688585 Jy ! Component: 100 - total flux cleaned = 0.070996 Jy ! Total flux subtracted in 100 components = 0.070996 Jy ! Clean residual min=-0.044996 max=0.062058 Jy/beam ! Clean residual mean=0.000423 rms=0.013437 Jy/beam ! Combined flux in latest and established models = 7.90961 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 84 components and 7.90961 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.410254Jy sigma=0.005157 ! Fit after self-cal, rms=0.405437Jy sigma=0.005098 ! 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 = 0.014948 Jy ! Component: 100 - total flux cleaned = 0.0149805 Jy ! Total flux subtracted in 100 components = 0.0149805 Jy ! Clean residual min=-0.040628 max=0.051414 Jy/beam ! Clean residual mean=0.000323 rms=0.012138 Jy/beam ! Combined flux in latest and established models = 7.92459 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 107 components and 7.92459 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.400638Jy sigma=0.005039 ! Fit after self-cal, rms=0.380535Jy sigma=0.004793 ! Inverting map and beam ! Estimated beam: bmin=3.502 mas, bmaj=15.07 mas, bpa=-3.123 degrees ! Estimated noise=1681.22 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 = 0.0210973 Jy ! Component: 100 - total flux cleaned = 0.0222726 Jy ! Total flux subtracted in 100 components = 0.0222726 Jy ! Clean residual min=-0.035667 max=0.043939 Jy/beam ! Clean residual mean=0.000640 rms=0.010482 Jy/beam ! Combined flux in latest and established models = 7.94687 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 115 components and 7.94687 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.376364Jy sigma=0.004744 ! Fit after self-cal, rms=0.375001Jy sigma=0.004729 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1921-293_S ! Writing UV FITS file: 1921-293_S.uvf ! Writing 115 model components to file: 1921-293_S.mod ! wwins: Wrote 2 windows to 1921-293_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.502 x 15.07 at -3.123 degrees (North through East) ! Clean map min=-0.033951 max=4.7925 Jy/beam ! Writing clean map to FITS file: 1921-293_S.fits ! Writing difmap environment to: 1921-293_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1921-293_S] device 1921-293_Suv.ps/vps,1,2 ! Attempting to open device: '1921-293_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1921-293_Sim.ps/vps ! Attempting to open device: '1921-293_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=3.502 mas, bmaj=15.07 mas, bpa=-3.123 degrees ! Estimated noise=1681.22 mJy/beam. xyrange 0, 0, 0, 0 ! The mapplot display area will be limited to: ! Relative RA: (The whole available range) ! Relative DEC: (The whole available range) mapcolor grey ! Mapplot colormap: grey, contrast: 1 brightness: 0.5. docont=true mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.502 x 15.07 at -3.123 degrees (North through East) ! Clean map min=-0.033951 max=4.7925 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1921-293_S.log closed on Thu Jul 20 13:48:10 2006