! Started logfile: 1424-418_S.log on Sat Feb 3 14:00:05 2007 observe 1424-418_S.edt ! Reading UV FITS file: 1424-418_S.edt ! AN table 1: 13 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0859729 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1424-418 ! ! 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 2.22997e+09 8e+06 1 8e+06 ! 02 2 2.25997e+09 8e+06 1 8e+06 ! 03 3 2.34997e+09 8e+06 1 8e+06 ! 04 4 2.36997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1912 lines of history. ! ! Reading 684 visibilities. ![@gonzo6-0.4-pw 1424-418_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 = 6.0 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 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 161 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 162 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 172 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.357515Jy sigma=0.004392 ! Fit after self-cal, rms=0.356310Jy sigma=0.004381 ! 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 peakw win_mult ! Inverting map and beam ! Estimated beam: bmin=2.967 mas, bmaj=33.65 mas, bpa=-27.98 degrees ! Estimated noise=3686.24 mJy/beam. ! Added new window around map position (-0.4, 0.8). 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=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.604125 Jy ! Total flux subtracted in 50 components = 0.604125 Jy ! Clean residual min=-0.086599 max=0.203006 Jy/beam ! Clean residual mean=-0.004356 rms=0.044738 Jy/beam ! Combined flux in latest and established models = 0.604125 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 0.604125 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.424421Jy sigma=0.005712 ! Fit after self-cal, rms=0.423068Jy sigma=0.005694 ! 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=3.997 mas, bmaj=35.08 mas, bpa=-26.97 degrees ! Estimated noise=2400.1 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 = 0.291912 Jy ! Component: 100 - total flux cleaned = 0.445059 Jy ! Total flux subtracted in 100 components = 0.445059 Jy ! Clean residual min=-0.075458 max=0.078897 Jy/beam ! Clean residual mean=-0.001889 rms=0.030047 Jy/beam ! Combined flux in latest and established models = 1.04918 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 35 model components to the UV plane model. ! The established model now contains 37 components and 1.04918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190583Jy sigma=0.002526 ! Fit after self-cal, rms=0.186306Jy sigma=0.002485 ! 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: ! FD 0.99 GC 1.00* HH 1.00* HN 1.00* ! LA 0.94 MC 1.00* MK 1.05 NY 1.00* ! ON 1.00* OV 1.03 PT 0.86 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 1.00* ! KP 0.95 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.87 GC 1.00* HH 1.00* HN 1.00* ! LA 0.90 MC 1.00* MK 1.10 NY 1.00* ! ON 1.00* OV 1.10 PT 0.87 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 1.00* ! KP 0.99 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 GC 1.00* HH 1.00* HN 1.00* ! LA 0.87 MC 1.00* MK 1.04 NY 1.00* ! ON 1.00* OV 1.05 PT 0.95 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 1.00* ! KP 1.04 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.83 GC 1.00* HH 1.00* HN 1.00* ! LA 0.80 MC 1.00* MK 1.09 NY 1.00* ! ON 1.00* OV 0.95 PT 0.92 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 1.00* ! KP 1.02 WZ 1.00* ! ! ! Fit before self-cal, rms=0.186306Jy sigma=0.002485 ! Fit after self-cal, rms=0.128684Jy sigma=0.001730 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.118 mas, bmaj=35.56 mas, bpa=-26.79 degrees ! Estimated noise=2222.96 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 = 0.0420101 Jy ! Component: 100 - total flux cleaned = 0.0444795 Jy ! Total flux subtracted in 100 components = 0.0444795 Jy ! Clean residual min=-0.030891 max=0.034127 Jy/beam ! Clean residual mean=0.000221 rms=0.013527 Jy/beam ! Combined flux in latest and established models = 1.09366 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 50 components and 1.09366 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.106809Jy sigma=0.001441 ! Fit after self-cal, rms=0.103890Jy sigma=0.001406 ! 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 = 0.000102732 Jy ! Component: 100 - total flux cleaned = -0.00370459 Jy ! Total flux subtracted in 100 components = -0.00370459 Jy ! Clean residual min=-0.027650 max=0.029841 Jy/beam ! Clean residual mean=0.000188 rms=0.011525 Jy/beam ! Combined flux in latest and established models = 1.08996 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 57 components and 1.08996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100216Jy sigma=0.001358 ! Fit after self-cal, rms=0.093471Jy sigma=0.001298 ! Inverting map and beam ! Estimated beam: bmin=4.092 mas, bmaj=35.42 mas, bpa=-26.83 degrees ! Estimated noise=2206.03 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 = 0.00950934 Jy ! Component: 100 - total flux cleaned = 0.0110231 Jy ! Total flux subtracted in 100 components = 0.0110231 Jy ! Clean residual min=-0.025026 max=0.024633 Jy/beam ! Clean residual mean=0.000076 rms=0.009340 Jy/beam ! Combined flux in latest and established models = 1.10098 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 68 components and 1.10098 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091374Jy sigma=0.001265 ! Fit after self-cal, rms=0.091186Jy sigma=0.001261 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1424-418_S ! Writing UV FITS file: 1424-418_S.uvf ! Writing 68 model components to file: 1424-418_S.mod ! wwins: Wrote 1 windows to 1424-418_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.092 x 35.42 at -26.83 degrees (North through East) ! Clean map min=-0.031197 max=0.77436 Jy/beam ! Writing clean map to FITS file: 1424-418_S.fits ! Writing difmap environment to: 1424-418_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1424-418_S] device 1424-418_Suv.ps/vps,1,2 ! Attempting to open device: '1424-418_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1424-418_Sim.ps/vps ! Attempting to open device: '1424-418_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=4.092 mas, bmaj=35.42 mas, bpa=-26.83 degrees ! Estimated noise=2206.03 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.092 x 35.42 at -26.83 degrees (North through East) ! Clean map min=-0.031197 max=0.77436 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.4-pw] quit ! Quitting program ! Log file 1424-418_S.log closed on Sat Feb 3 14:00:14 2007