! Started logfile: 1741-038_S.log on Tue Jul 18 16:59:22 2006 observe 1741-038_S.edt ! Reading UV FITS file: 1741-038_S.edt ! AN table 1: 12 integrations on 190 of 190 possible baselines. ! AN table 2: 85 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.14688 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1741-038 ! ! 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 10828 visibilities. ![@gonzo7-0.4 1741-038_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 237 telescope corrections were flagged in sub-array 1. ! A total of 1349 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 240 telescope corrections were flagged in sub-array 1. ! A total of 1349 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 240 telescope corrections were flagged in sub-array 1. ! A total of 1388 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 237 telescope corrections were flagged in sub-array 1. ! A total of 1407 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.561988Jy sigma=0.025414 ! Fit after self-cal, rms=1.561103Jy sigma=0.025601 ! 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=2.429 mas, bmaj=5.449 mas, bpa=-4.777 degrees ! Estimated noise=1569.28 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 = 1.8958 Jy ! Total flux subtracted in 50 components = 1.8958 Jy ! Clean residual min=-0.115786 max=0.528740 Jy/beam ! Clean residual mean=0.000880 rms=0.038732 Jy/beam ! Combined flux in latest and established models = 1.8958 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 1.8958 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.690449Jy sigma=0.011411 ! Fit after self-cal, rms=0.690449Jy sigma=0.011411 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.425348 Jy ! Total flux subtracted in 50 components = 0.425348 Jy ! Clean residual min=-0.057867 max=0.152366 Jy/beam ! Clean residual mean=0.000559 rms=0.018949 Jy/beam ! Combined flux in latest and established models = 2.32115 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 2.32115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.333543Jy sigma=0.005411 ! Fit after self-cal, rms=0.333517Jy sigma=0.005410 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.163943 Jy ! Total flux subtracted in 50 components = 0.163943 Jy ! Clean residual min=-0.048428 max=0.075782 Jy/beam ! Clean residual mean=0.000436 rms=0.013967 Jy/beam ! Combined flux in latest and established models = 2.48509 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 2.48509 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.244424Jy sigma=0.003825 ! Fit after self-cal, rms=0.244403Jy sigma=0.003824 ! 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=3.214 mas, bmaj=7.199 mas, bpa=-0.4446 degrees ! Estimated noise=707.91 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 = 0.121563 Jy ! Component: 100 - total flux cleaned = 0.174626 Jy ! Total flux subtracted in 100 components = 0.174626 Jy ! Clean residual min=-0.032997 max=0.036289 Jy/beam ! Clean residual mean=0.000543 rms=0.007735 Jy/beam ! Combined flux in latest and established models = 2.65972 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 38 components and 2.65972 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189827Jy sigma=0.002766 ! Fit after self-cal, rms=0.189804Jy sigma=0.002765 ! 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 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 GC 1.07 HN 1.00 ! LA 1.00* NL 0.98 OV 1.00 SC 1.03 ! WF 0.97 GG 1.00* HH 1.00* KK 1.07 ! KP 1.03 MA 1.00* MC 1.00* MK 1.07 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 GC 1.00 HN 0.99 ! LA 1.00* NL 0.98 OV 1.00 SC 1.03 ! WF 0.98 GG 1.00* HH 1.00* KK 0.95 ! KP 1.05 MA 1.00* MC 1.00* MK 1.02 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.99 GC 1.00 HN 0.96 ! LA 1.00* NL 0.95 OV 1.00 SC 1.01 ! WF 0.87 GG 1.00* HH 1.00* KK 1.07 ! KP 0.99 MA 1.00* MC 1.00* MK 1.04 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.97 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.99 GC 1.03 HN 0.97 ! LA 1.00* NL 0.97 OV 0.99 SC 1.01 ! WF 1.00* GG 1.00* HH 1.00* KK 1.14 ! KP 1.00 MA 1.00* MC 1.00* MK 1.01 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.91 ! ! ! Fit before self-cal, rms=0.189804Jy sigma=0.002765 ! Fit after self-cal, rms=0.149108Jy sigma=0.002012 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.26 mas, bmaj=7.332 mas, bpa=-1.204 degrees ! Estimated noise=709.447 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 = 0.00823861 Jy ! Component: 100 - total flux cleaned = 0.00896139 Jy ! Total flux subtracted in 100 components = 0.00896139 Jy ! Clean residual min=-0.014738 max=0.015220 Jy/beam ! Clean residual mean=-0.000091 rms=0.003733 Jy/beam ! Combined flux in latest and established models = 2.66868 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 44 components and 2.66868 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147823Jy sigma=0.001998 ! Fit after self-cal, rms=0.147818Jy sigma=0.001998 ! 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 = -6.5754e-05 Jy ! Component: 100 - total flux cleaned = -6.27525e-05 Jy ! Total flux subtracted in 100 components = -6.27525e-05 Jy ! Clean residual min=-0.014393 max=0.014935 Jy/beam ! Clean residual mean=-0.000090 rms=0.003734 Jy/beam ! Combined flux in latest and established models = 2.66862 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 49 components and 2.66862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147200Jy sigma=0.001992 ! Fit after self-cal, rms=0.117400Jy sigma=0.001573 ! Inverting map and beam ! Estimated beam: bmin=3.267 mas, bmaj=7.334 mas, bpa=-1.138 degrees ! Estimated noise=710.957 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 = 0.000660179 Jy ! Component: 100 - total flux cleaned = 0.000169846 Jy ! Total flux subtracted in 100 components = 0.000169846 Jy ! Clean residual min=-0.008641 max=0.009425 Jy/beam ! Clean residual mean=-0.000231 rms=0.002241 Jy/beam ! Combined flux in latest and established models = 2.66879 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 58 components and 2.66879 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.117058Jy sigma=0.001570 ! Fit after self-cal, rms=0.117052Jy sigma=0.001569 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1741-038_S ! Writing UV FITS file: 1741-038_S.uvf ! Writing 58 model components to file: 1741-038_S.mod ! wwins: Wrote 1 windows to 1741-038_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.267 x 7.334 at -1.138 degrees (North through East) ! Clean map min=-0.0086314 max=2.534 Jy/beam ! Writing clean map to FITS file: 1741-038_S.fits ! Writing difmap environment to: 1741-038_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1741-038_S] device 1741-038_Suv.ps/vps,1,2 ! Attempting to open device: '1741-038_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1741-038_Sim.ps/vps ! Attempting to open device: '1741-038_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=3.267 mas, bmaj=7.334 mas, bpa=-1.138 degrees ! Estimated noise=710.957 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: 3.267 x 7.334 at -1.138 degrees (North through East) ! Clean map min=-0.0086314 max=2.534 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1741-038_S.log closed on Tue Jul 18 16:59:44 2006