! Started logfile: 1156+295_S.log on Tue Apr 29 23:54:15 2008 observe 1156+295_S.edt ! Reading UV FITS file: 1156+295_S.edt ! AN table 1: 41 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0521282 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1156+295 ! ! 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 1308 visibilities. ![@gonzo7-0.4 1156+295_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 629 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 642 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 662 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 666 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.254099Jy sigma=0.003317 ! Fit after self-cal, rms=0.253740Jy sigma=0.003314 ! 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=2.06 mas, bmaj=5.114 mas, bpa=53.78 degrees ! Estimated noise=4672.06 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 = 0.613078 Jy ! Total flux subtracted in 50 components = 0.613078 Jy ! Clean residual min=-0.070390 max=0.170976 Jy/beam ! Clean residual mean=0.000244 rms=0.025315 Jy/beam ! Combined flux in latest and established models = 0.613078 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 0.613078 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.237735Jy sigma=0.003260 ! Fit after self-cal, rms=0.237735Jy sigma=0.003260 ! 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=2.213 mas, bmaj=5.556 mas, bpa=57.75 degrees ! Estimated noise=2324.99 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 = 0.160075 Jy ! Component: 100 - total flux cleaned = 0.24213 Jy ! Total flux subtracted in 100 components = 0.24213 Jy ! Clean residual min=-0.039633 max=0.043637 Jy/beam ! Clean residual mean=0.000617 rms=0.016916 Jy/beam ! Combined flux in latest and established models = 0.855207 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 0.855207 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.107540Jy sigma=0.001387 ! Fit after self-cal, rms=0.107426Jy sigma=0.001386 ! 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 0.98 FD 0.95 GC 0.97 HH 1.00* ! HN 1.00* KK 0.94 KP 0.94 LA 1.00* ! MC 1.00* MK 0.97 NL 1.00* NY 1.01 ! ON 1.00* OV 0.93 PT 1.00* SC 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 GC 0.98 HH 1.00* ! HN 1.00* KK 0.95 KP 0.94 LA 1.00* ! MC 1.00* MK 0.96 NL 1.00* NY 0.99 ! ON 1.00* OV 0.93 PT 1.00* SC 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.02 GC 1.00* HH 1.00* ! HN 1.00* KK 0.94 KP 1.00* LA 1.00* ! MC 1.00* MK 0.95 NL 1.00* NY 1.02 ! ON 1.00* OV 1.00* PT 1.00* SC 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 0.93 KP 1.00* LA 1.00* ! MC 1.00* MK 0.97 NL 1.00* NY 1.01 ! ON 1.00* OV 1.00* PT 1.00* SC 1.00* ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.107426Jy sigma=0.001386 ! Fit after self-cal, rms=0.095856Jy sigma=0.001157 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.225 mas, bmaj=5.604 mas, bpa=57.96 degrees ! Estimated noise=2209.94 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 = 0.0335581 Jy ! Component: 100 - total flux cleaned = 0.0414592 Jy ! Total flux subtracted in 100 components = 0.0414592 Jy ! Clean residual min=-0.016172 max=0.016257 Jy/beam ! Clean residual mean=0.000021 rms=0.004665 Jy/beam ! Combined flux in latest and established models = 0.896667 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 23 components and 0.896667 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084636Jy sigma=0.001009 ! Fit after self-cal, rms=0.084619Jy sigma=0.001008 ! 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 = 3.72384e-06 Jy ! Component: 100 - total flux cleaned = 2.31324e-05 Jy ! Total flux subtracted in 100 components = 2.31324e-05 Jy ! Clean residual min=-0.014860 max=0.015343 Jy/beam ! Clean residual mean=0.000019 rms=0.004372 Jy/beam ! Combined flux in latest and established models = 0.89669 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 27 components and 0.89669 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083404Jy sigma=0.000995 ! Fit after self-cal, rms=0.080126Jy sigma=0.000957 ! Inverting map and beam ! Estimated beam: bmin=2.22 mas, bmaj=5.572 mas, bpa=57.9 degrees ! Estimated noise=2191.71 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 = 0.0121058 Jy ! Component: 100 - total flux cleaned = 0.0137361 Jy ! Total flux subtracted in 100 components = 0.0137361 Jy ! Clean residual min=-0.011208 max=0.010385 Jy/beam ! Clean residual mean=0.000011 rms=0.002972 Jy/beam ! Combined flux in latest and established models = 0.910426 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 29 components and 0.910426 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078343Jy sigma=0.000934 ! Fit after self-cal, rms=0.078334Jy sigma=0.000934 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1156+295_S ! Writing UV FITS file: 1156+295_S.uvf ! Writing 29 model components to file: 1156+295_S.mod ! wwins: Wrote 1 windows to 1156+295_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.22 x 5.572 at 57.9 degrees (North through East) ! Clean map min=-0.010721 max=0.77498 Jy/beam ! Writing clean map to FITS file: 1156+295_S.fits ! Writing difmap environment to: 1156+295_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1156+295_S] device 1156+295_Suv.ps/vps,1,2 ! Attempting to open device: '1156+295_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1156+295_Sim.ps/vps ! Attempting to open device: '1156+295_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=2.22 mas, bmaj=5.572 mas, bpa=57.9 degrees ! Estimated noise=2191.71 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.22 x 5.572 at 57.9 degrees (North through East) ! Clean map min=-0.010721 max=0.77498 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1156+295_S.log closed on Tue Apr 29 23:54:19 2008