! Started logfile: OJ287_S.log on Thu May 8 13:08:05 2008 observe OJ287_S.edt ! Reading UV FITS file: OJ287_S.edt ! AN table 1: 64 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.156761 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: OJ287 ! ! 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 971 lines of history. ! ! Reading 6140 visibilities. ![@gonzo7-0.4 OJ287_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 1028 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1037 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1023 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1032 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.566877Jy sigma=0.005158 ! Fit after self-cal, rms=0.565703Jy sigma=0.005212 ! 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=2.226 mas, bmaj=4.375 mas, bpa=-11.12 degrees ! Estimated noise=3818.31 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 = 0.337514 Jy ! Total flux subtracted in 50 components = 0.337514 Jy ! Clean residual min=-0.021218 max=0.094127 Jy/beam ! Clean residual mean=0.000264 rms=0.005735 Jy/beam ! Combined flux in latest and established models = 0.337514 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 0.337514 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151404Jy sigma=0.001476 ! Fit after self-cal, rms=0.151406Jy sigma=0.001476 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0850158 Jy ! Total flux subtracted in 50 components = 0.0850158 Jy ! Clean residual min=-0.013591 max=0.034773 Jy/beam ! Clean residual mean=0.000203 rms=0.003566 Jy/beam ! Combined flux in latest and established models = 0.42253 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.42253 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.104081Jy sigma=0.000975 ! Fit after self-cal, rms=0.104087Jy sigma=0.000975 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0356883 Jy ! Total flux subtracted in 50 components = 0.0356883 Jy ! Clean residual min=-0.011784 max=0.015754 Jy/beam ! Clean residual mean=0.000177 rms=0.003021 Jy/beam ! Combined flux in latest and established models = 0.458218 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 12 components and 0.458218 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.092789Jy sigma=0.000843 ! Fit after self-cal, rms=0.092804Jy sigma=0.000843 ! 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=2.52 mas, bmaj=4.968 mas, bpa=-11.72 degrees ! Estimated noise=2896.6 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 = 0.027045 Jy ! Component: 100 - total flux cleaned = 0.0417706 Jy ! Total flux subtracted in 100 components = 0.0417706 Jy ! Clean residual min=-0.009538 max=0.010247 Jy/beam ! Clean residual mean=0.000537 rms=0.002516 Jy/beam ! Combined flux in latest and established models = 0.499989 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 38 components and 0.499989 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086702Jy sigma=0.000760 ! Fit after self-cal, rms=0.086718Jy sigma=0.000760 ! 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 0.97 FD 0.98 GC 0.99 HH 1.00* ! HN 1.01 KK 1.06 KP 1.00 LA 0.96 ! MC 1.00* MK 1.03 NL 0.96 NY 1.02 ! ON 1.03 OV 1.01 PT 0.98 SC 0.99 ! WF 1.03 WZ 1.03 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 GC 1.07 HH 1.00* ! HN 1.01 KK 1.02 KP 0.99 LA 1.00 ! MC 1.02 MK 1.06 NL 0.91 NY 1.02 ! ON 1.04 OV 0.98 PT 0.98 SC 1.00 ! WF 1.09 WZ 1.01 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 GC 1.00 HH 1.00* ! HN 0.95 KK 1.01 KP 0.96 LA 1.01 ! MC 0.91 MK 0.89 NL 0.99 NY 1.01 ! ON 0.95 OV 1.02 PT 0.94 SC 1.03 ! WF 1.00 WZ 0.98 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 GC 1.00 HH 1.00* ! HN 0.92 KK 1.02 KP 0.98 LA 1.00* ! MC 0.99 MK 1.05 NL 1.01 NY 1.03 ! ON 1.22 OV 1.00 PT 0.98 SC 1.01 ! WF 1.00 WZ 1.00 ! ! ! Fit before self-cal, rms=0.086718Jy sigma=0.000760 ! Fit after self-cal, rms=0.084615Jy sigma=0.000733 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.492 mas, bmaj=4.994 mas, bpa=-11.71 degrees ! Estimated noise=2904.74 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 = 0.00247568 Jy ! Component: 100 - total flux cleaned = 0.00296851 Jy ! Total flux subtracted in 100 components = 0.00296851 Jy ! Clean residual min=-0.009005 max=0.008861 Jy/beam ! Clean residual mean=0.000254 rms=0.002151 Jy/beam ! Combined flux in latest and established models = 0.502957 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 44 components and 0.502958 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084573Jy sigma=0.000732 ! Fit after self-cal, rms=0.084606Jy sigma=0.000732 ! 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 = 0.000328297 Jy ! Component: 100 - total flux cleaned = 0.000368027 Jy ! Total flux subtracted in 100 components = 0.000368027 Jy ! Clean residual min=-0.008949 max=0.008917 Jy/beam ! Clean residual mean=0.000253 rms=0.002146 Jy/beam ! Combined flux in latest and established models = 0.503326 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 49 components and 0.503326 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084592Jy sigma=0.000732 ! Fit after self-cal, rms=0.081638Jy sigma=0.000690 ! Inverting map and beam ! Estimated beam: bmin=2.493 mas, bmaj=4.992 mas, bpa=-11.79 degrees ! Estimated noise=2918.34 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 = 0.00187591 Jy ! Component: 100 - total flux cleaned = 0.00220411 Jy ! Total flux subtracted in 100 components = 0.00220411 Jy ! Clean residual min=-0.007956 max=0.008584 Jy/beam ! Clean residual mean=0.000232 rms=0.001962 Jy/beam ! Combined flux in latest and established models = 0.50553 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 54 components and 0.50553 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081558Jy sigma=0.000690 ! Fit after self-cal, rms=0.081569Jy sigma=0.000690 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save OJ287_S ! Writing UV FITS file: OJ287_S.uvf ! Writing 54 model components to file: OJ287_S.mod ! wwins: Wrote 1 windows to OJ287_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.493 x 4.992 at -11.79 degrees (North through East) ! Clean map min=-0.0076669 max=0.43349 Jy/beam ! Writing clean map to FITS file: OJ287_S.fits ! Writing difmap environment to: OJ287_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot OJ287_S] device OJ287_Suv.ps/vps,1,2 ! Attempting to open device: 'OJ287_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device OJ287_Sim.ps/vps ! Attempting to open device: 'OJ287_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=2.493 mas, bmaj=4.992 mas, bpa=-11.79 degrees ! Estimated noise=2918.34 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.493 x 4.992 at -11.79 degrees (North through East) ! Clean map min=-0.0076669 max=0.43349 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file OJ287_S.log closed on Thu May 8 13:08:10 2008