! Started logfile: 1445-161_X.log on Wed May 14 13:32:53 2008 observe 1445-161_X.edt ! Reading UV FITS file: 1445-161_X.edt ! AN table 1: 36 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.148511 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1445-161 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 946 lines of history. ! ! Reading 3272 visibilities. ![@gonzo8-0.1 1445-161_X] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.1 integer clean_niter clean_niter = 50 float clean_gain clean_gain = 0.03 float dynam dynam = 8.0 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 0.100x0.100 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 544 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 553 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 555 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 543 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.740191Jy sigma=0.013145 ! Fit after self-cal, rms=0.739422Jy sigma=0.013148 ! 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=0.5843 mas, bmaj=1.907 mas, bpa=-9.381 degrees ! Estimated noise=3566.54 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 = 0.164275 Jy ! Total flux subtracted in 50 components = 0.164275 Jy ! Clean residual min=-0.021185 max=0.052473 Jy/beam ! Clean residual mean=-0.000010 rms=0.008021 Jy/beam ! Combined flux in latest and established models = 0.164275 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 0.164275 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124077Jy sigma=0.002322 ! Fit after self-cal, rms=0.124053Jy sigma=0.002322 ! 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=0.8857 mas, bmaj=3.643 mas, bpa=-13.34 degrees ! Estimated noise=1557.51 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 = 0.0912796 Jy ! Component: 100 - total flux cleaned = 0.125208 Jy ! Total flux subtracted in 100 components = 0.125208 Jy ! Clean residual min=-0.008332 max=0.013905 Jy/beam ! Clean residual mean=-0.000013 rms=0.003475 Jy/beam ! Combined flux in latest and established models = 0.289482 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 26 components and 0.289482 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048506Jy sigma=0.000851 ! Fit after self-cal, rms=0.048480Jy sigma=0.000850 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.96 GC 1.00* HH 1.00* ! HN 0.98 KK 0.97 KP 0.97 LA 0.97 ! MC 1.00* MK 1.03 NL 0.97 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.18 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.97 GC 1.00* HH 1.00* ! HN 0.98 KK 0.91 KP 0.97 LA 0.96 ! MC 1.00* MK 1.04 NL 0.96 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.22 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00 KP 0.96 LA 0.96 ! MC 1.00* MK 1.01 NL 0.97 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.07 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 GC 1.00* HH 1.00* ! HN 0.96 KK 0.96 KP 0.97 LA 0.97 ! MC 1.00* MK 1.07 NL 0.97 NY 1.00* ! ON 1.00* OV 1.00* PT 1.00* SC 1.18 ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.048480Jy sigma=0.000850 ! Fit after self-cal, rms=0.044718Jy sigma=0.000792 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9007 mas, bmaj=3.849 mas, bpa=-13.67 degrees ! Estimated noise=1490.64 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) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171457 Jy ! Component: 100 - total flux cleaned = 0.00194627 Jy ! Total flux subtracted in 100 components = 0.00194627 Jy ! Clean residual min=-0.004635 max=0.006714 Jy/beam ! Clean residual mean=-0.000003 rms=0.001536 Jy/beam ! Combined flux in latest and established models = 0.291429 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 5 model components to the UV plane model. ! The established model now contains 31 components and 0.291429 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.044502Jy sigma=0.000789 ! Fit after self-cal, rms=0.044509Jy sigma=0.000789 ! 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 = 0.000180487 Jy ! Component: 100 - total flux cleaned = 0.000319767 Jy ! Total flux subtracted in 100 components = 0.000319767 Jy ! Clean residual min=-0.004701 max=0.006595 Jy/beam ! Clean residual mean=-0.000003 rms=0.001533 Jy/beam ! Combined flux in latest and established models = 0.291748 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 35 components and 0.291748 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.044446Jy sigma=0.000788 ! Fit after self-cal, rms=0.043863Jy sigma=0.000778 ! Inverting map and beam ! Estimated beam: bmin=0.8954 mas, bmaj=3.871 mas, bpa=-13.78 degrees ! Estimated noise=1490.59 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 = 0.00117177 Jy ! Component: 100 - total flux cleaned = 0.00133042 Jy ! Total flux subtracted in 100 components = 0.00133042 Jy ! Clean residual min=-0.004257 max=0.006328 Jy/beam ! Clean residual mean=-0.000001 rms=0.001438 Jy/beam ! Combined flux in latest and established models = 0.293079 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 37 components and 0.293079 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.043754Jy sigma=0.000776 ! Fit after self-cal, rms=0.043756Jy sigma=0.000776 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1445-161_X ! Writing UV FITS file: 1445-161_X.uvf ! Writing 37 model components to file: 1445-161_X.mod ! wwins: Wrote 1 windows to 1445-161_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8954 x 3.871 at -13.78 degrees (North through East) ! Clean map min=-0.0041755 max=0.25196 Jy/beam ! Writing clean map to FITS file: 1445-161_X.fits ! Writing difmap environment to: 1445-161_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1445-161_X] device 1445-161_Xuv.ps/vps,1,2 ! Attempting to open device: '1445-161_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1445-161_Xim.ps/vps ! Attempting to open device: '1445-161_Xim.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=0.8954 mas, bmaj=3.871 mas, bpa=-13.78 degrees ! Estimated noise=1490.59 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8954 x 3.871 at -13.78 degrees (North through East) ! Clean map min=-0.0041755 max=0.25196 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 1445-161_X.log closed on Wed May 14 13:33:01 2008