! Started logfile: 1451-400_S.log on Thu Jul 26 23:13:51 2007 observe 1451-400_S.edt ! Reading UV FITS file: 1451-400_S.edt ! AN table 1: 32 integrations on 171 of 171 possible baselines. ! AN table 2: 124 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0754236 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1451-400 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1332 lines of history. ! ! Reading 8048 visibilities. ![@gonzo5-0.4 1451-400_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 = 5.0 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 547 telescope corrections were flagged in sub-array 1. ! A total of 1982 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 545 telescope corrections were flagged in sub-array 1. ! A total of 1982 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 555 telescope corrections were flagged in sub-array 1. ! A total of 1981 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 565 telescope corrections were flagged in sub-array 1. ! A total of 2005 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.514689Jy sigma=0.005108 ! Fit after self-cal, rms=0.514500Jy sigma=0.005109 ! 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=3.047 mas, bmaj=8.103 mas, bpa=-1.409 degrees ! Estimated noise=3798.64 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 = 0.352776 Jy ! Total flux subtracted in 50 components = 0.352776 Jy ! Clean residual min=-0.047397 max=0.103248 Jy/beam ! Clean residual mean=-0.001118 rms=0.019001 Jy/beam ! Combined flux in latest and established models = 0.352776 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.352776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.288776Jy sigma=0.003273 ! Fit after self-cal, rms=0.288744Jy sigma=0.003273 ! Inverting map ! Added new window around map position (-5.2, -3.2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.111427 Jy ! Total flux subtracted in 50 components = 0.111427 Jy ! Clean residual min=-0.033964 max=0.082598 Jy/beam ! Clean residual mean=-0.000758 rms=0.014374 Jy/beam ! Combined flux in latest and established models = 0.464203 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.464203 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228889Jy sigma=0.002568 ! Fit after self-cal, rms=0.226518Jy sigma=0.002543 ! 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=3.856 mas, bmaj=19.59 mas, bpa=-3.255 degrees ! Estimated noise=1232.27 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 = 0.147172 Jy ! Component: 100 - total flux cleaned = 0.224916 Jy ! Total flux subtracted in 100 components = 0.224916 Jy ! Clean residual min=-0.025756 max=0.050690 Jy/beam ! Clean residual mean=-0.000599 rms=0.011576 Jy/beam ! Combined flux in latest and established models = 0.689118 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 48 model components to the UV plane model. ! The established model now contains 59 components and 0.689118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132670Jy sigma=0.001368 ! Fit after self-cal, rms=0.132192Jy sigma=0.001363 ! 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 1.06 GC 1.00* GG 1.00* ! HN 1.00* KP 0.84 LA 0.95 MA 1.00* ! MK 0.96 NL 1.00* NY 1.00* ON 1.00* ! OV 1.07 PT 0.94 SC 1.00* TC 1.00* ! 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 1.04 GC 1.00* GG 1.00* ! HN 1.00* KP 0.90 LA 0.99 MA 1.00* ! MK 1.00* NL 1.78 NY 1.00* ON 1.00* ! OV 1.00* PT 0.96 SC 0.99 TC 1.01 ! TS 1.00* WF 0.97 WZ 1.00* ! ! ! 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 1.04 GC 1.00* GG 1.00* ! HN 1.00* KP 0.95 LA 0.88 MA 1.00* ! MK 0.99 NL 1.00* NY 1.00* ON 1.00* ! OV 1.15 PT 0.91 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 GC 1.00* GG 1.00* ! HN 1.00* KP 0.99 LA 0.91 MA 1.00* ! MK 1.00* NL 1.64 NY 1.00* ON 1.00* ! OV 1.00* PT 0.95 SC 1.01 TC 0.97 ! TS 1.00* WF 0.99 WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HN 1.00* KP 0.95 LA 0.77 MA 1.00* ! MK 0.92 NL 1.00* NY 1.00* ON 1.00* ! OV 1.23 PT 0.94 SC 1.00* TC 1.00* ! 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 0.94 GC 1.00* GG 1.00* ! HN 1.00* KP 0.98 LA 0.77 MA 1.00* ! MK 1.00* NL 1.84 NY 1.00* ON 1.00* ! OV 1.00* PT 0.98 SC 1.17 TC 1.00 ! TS 1.00* WF 1.14 WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.89 GC 1.00* GG 1.00* ! HN 1.00* KP 0.94 LA 0.95 MA 1.00* ! MK 0.89 NL 1.00* NY 1.00* ON 1.00* ! OV 0.95 PT 0.95 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.88 GC 1.00* GG 1.00* ! HN 1.00* KP 0.98 LA 0.73 MA 1.00* ! MK 1.00* NL 1.61 NY 1.00* ON 1.00* ! OV 1.00* PT 0.93 SC 1.13 TC 1.00* ! TS 1.00* WF 1.17 WZ 1.00* ! ! ! Fit before self-cal, rms=0.132192Jy sigma=0.001363 ! Fit after self-cal, rms=0.091946Jy sigma=0.000888 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.933 mas, bmaj=20.28 mas, bpa=-3.168 degrees ! Estimated noise=1184.5 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 (-10.4, -8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00397586 Jy ! Component: 100 - total flux cleaned = 0.00359299 Jy ! Total flux subtracted in 100 components = 0.00359299 Jy ! Clean residual min=-0.004855 max=0.005908 Jy/beam ! Clean residual mean=0.000021 rms=0.001468 Jy/beam ! Combined flux in latest and established models = 0.692711 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 72 components and 0.692711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090926Jy sigma=0.000882 ! Fit after self-cal, rms=0.090931Jy sigma=0.000881 ! 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 (49.6, 41.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00446547 Jy ! Component: 100 - total flux cleaned = 0.00462963 Jy ! Total flux subtracted in 100 components = 0.00462963 Jy ! Clean residual min=-0.004226 max=0.004370 Jy/beam ! Clean residual mean=-0.000024 rms=0.001251 Jy/beam ! Combined flux in latest and established models = 0.697341 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 85 components and 0.697341 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090366Jy sigma=0.000878 ! Fit after self-cal, rms=0.085947Jy sigma=0.000835 ! Inverting map and beam ! Estimated beam: bmin=3.929 mas, bmaj=20.29 mas, bpa=-3.1 degrees ! Estimated noise=1184.65 mJy/beam. ! Added new window around map position (9.2, -54). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00373382 Jy ! Component: 100 - total flux cleaned = 0.00387883 Jy ! Total flux subtracted in 100 components = 0.00387883 Jy ! Clean residual min=-0.004032 max=0.003763 Jy/beam ! Clean residual mean=-0.000018 rms=0.001124 Jy/beam ! Combined flux in latest and established models = 0.70122 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 100 components and 0.70122 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085507Jy sigma=0.000832 ! Fit after self-cal, rms=0.084763Jy sigma=0.000828 ! Inverting map and beam ! Estimated beam: bmin=3.925 mas, bmaj=20.29 mas, bpa=-3.083 degrees ! Estimated noise=1182.46 mJy/beam. ! Added new window around map position (-18, -27.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00213819 Jy ! Component: 100 - total flux cleaned = 0.00276009 Jy ! Total flux subtracted in 100 components = 0.00276009 Jy ! Clean residual min=-0.003426 max=0.003160 Jy/beam ! Clean residual mean=-0.000027 rms=0.000965 Jy/beam ! Combined flux in latest and established models = 0.70398 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 115 components and 0.70398 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084446Jy sigma=0.000826 ! Fit after self-cal, rms=0.084282Jy sigma=0.000825 ! Inverting map and beam ! Estimated beam: bmin=3.922 mas, bmaj=20.3 mas, bpa=-3.062 degrees ! Estimated noise=1181.45 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 = 0.000978364 Jy ! Component: 100 - total flux cleaned = 0.00140001 Jy ! Total flux subtracted in 100 components = 0.00140001 Jy ! Clean residual min=-0.003308 max=0.002902 Jy/beam ! Clean residual mean=-0.000022 rms=0.000899 Jy/beam ! Combined flux in latest and established models = 0.70538 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 122 components and 0.70538 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084050Jy sigma=0.000824 ! Fit after self-cal, rms=0.084003Jy sigma=0.000823 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1451-400_S ! Writing UV FITS file: 1451-400_S.uvf ! Writing 122 model components to file: 1451-400_S.mod ! wwins: Wrote 6 windows to 1451-400_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.922 x 20.3 at -3.062 degrees (North through East) ! Clean map min=-0.0045606 max=0.47562 Jy/beam ! Writing clean map to FITS file: 1451-400_S.fits ! Writing difmap environment to: 1451-400_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1451-400_S] device 1451-400_Suv.ps/vps,1,2 ! Attempting to open device: '1451-400_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1451-400_Sim.ps/vps ! Attempting to open device: '1451-400_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=3.922 mas, bmaj=20.3 mas, bpa=-3.062 degrees ! Estimated noise=1181.45 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.922 x 20.3 at -3.062 degrees (North through East) ! Clean map min=-0.0045606 max=0.47562 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo5-0.4] quit ! Quitting program ! Log file 1451-400_S.log closed on Thu Jul 26 23:14:07 2007