! Started logfile: 1451-400_X.log on Sat Apr 28 18:37:48 2007 observe 1451-400_X.edt ! Reading UV FITS file: 1451-400_X.edt ! AN table 1: 26 integrations on 153 of 153 possible baselines. ! AN table 2: 13 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0358639 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1451-400 ! ! 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 1304 lines of history. ! ! Reading 856 visibilities. ![@gonzo8-0.1-pw 1451-400_X] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 2048 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 = 2048x2048 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 365 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 363 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 372 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 371 telescope corrections were flagged in sub-array 1. ! A total of 234 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.537657Jy sigma=0.006981 ! Fit after self-cal, rms=0.530177Jy sigma=0.007000 ! 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=1.124 mas, bmaj=25.79 mas, bpa=-12.88 degrees ! Estimated noise=7379.23 mJy/beam. ! Added new window around map position (0, 0). 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 = 0.325001 Jy ! Total flux subtracted in 50 components = 0.325001 Jy ! Clean residual min=-0.059661 max=0.101889 Jy/beam ! Clean residual mean=-0.003672 rms=0.029939 Jy/beam ! Combined flux in latest and established models = 0.325001 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 0.325001 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190272Jy sigma=0.002695 ! Fit after self-cal, rms=0.190266Jy sigma=0.002695 ! 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=3.017 mas, bmaj=23.95 mas, bpa=-14.67 degrees ! Estimated noise=2275.78 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 = 0.134781 Jy ! Component: 100 - total flux cleaned = 0.17919 Jy ! Total flux subtracted in 100 components = 0.17919 Jy ! Clean residual min=-0.031841 max=0.028608 Jy/beam ! Clean residual mean=-0.001545 rms=0.012919 Jy/beam ! Combined flux in latest and established models = 0.50419 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 39 model components to the UV plane model. ! The established model now contains 46 components and 0.50419 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086699Jy sigma=0.001169 ! Fit after self-cal, rms=0.085878Jy sigma=0.001158 ! 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 0.91 GC 1.00* HH 1.00* HN 1.00* ! LA 0.92 MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* OV 1.00* PT 1.00 SC 1.00* ! TS 1.00* WF 1.07 BR 1.00* KK 1.00* ! KP 1.07 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* GC 0.00* HH 0.00* HN 0.00* ! LA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* BR 0.00* KK 0.00* ! KP 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.91 GC 1.00* HH 1.00* HN 1.00* ! LA 0.94 MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* OV 1.00* PT 1.06 SC 1.00* ! TS 1.00* WF 1.04 BR 1.00* KK 1.00* ! KP 1.05 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* GC 0.00* HH 0.00* HN 0.00* ! LA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* BR 0.00* KK 0.00* ! KP 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.91 GC 1.00* HH 1.00* HN 1.00* ! LA 0.96 MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* OV 1.00* PT 1.10 SC 1.00* ! TS 1.00* WF 1.00 BR 1.00* KK 1.00* ! KP 1.02 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* GC 0.00* HH 0.00* HN 0.00* ! LA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* BR 0.00* KK 0.00* ! KP 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.87 GC 1.00* HH 1.00* HN 1.00* ! LA 0.96 MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* OV 1.00* PT 1.10 SC 1.00* ! TS 1.00* WF 1.19 BR 1.00* KK 1.00* ! KP 1.00 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* GC 0.00* HH 0.00* HN 0.00* ! LA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* BR 0.00* KK 0.00* ! KP 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.085878Jy sigma=0.001158 ! Fit after self-cal, rms=0.074123Jy sigma=0.000991 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.045 mas, bmaj=23.89 mas, bpa=-14.72 degrees ! Estimated noise=2280.75 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 = 0.00174469 Jy ! Component: 100 - total flux cleaned = 0.00339223 Jy ! Total flux subtracted in 100 components = 0.00339223 Jy ! Clean residual min=-0.008900 max=0.009278 Jy/beam ! Clean residual mean=0.000058 rms=0.003603 Jy/beam ! Combined flux in latest and established models = 0.507583 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 72 components and 0.507583 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072063Jy sigma=0.000968 ! Fit after self-cal, rms=0.071853Jy sigma=0.000964 ! 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 = -6.87871e-05 Jy ! Component: 100 - total flux cleaned = 0.000120487 Jy ! Total flux subtracted in 100 components = 0.000120487 Jy ! Clean residual min=-0.007259 max=0.008482 Jy/beam ! Clean residual mean=0.000054 rms=0.002888 Jy/beam ! Combined flux in latest and established models = 0.507703 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 97 components and 0.507703 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071019Jy sigma=0.000955 ! Fit after self-cal, rms=0.068980Jy sigma=0.000920 ! Inverting map and beam ! Estimated beam: bmin=3.014 mas, bmaj=23.88 mas, bpa=-14.67 degrees ! Estimated noise=2281.18 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 = -0.000627615 Jy ! Component: 100 - total flux cleaned = 9.44582e-05 Jy ! Total flux subtracted in 100 components = 9.44582e-05 Jy ! Clean residual min=-0.006265 max=0.006766 Jy/beam ! Clean residual mean=0.000033 rms=0.002249 Jy/beam ! Combined flux in latest and established models = 0.507798 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 111 components and 0.507798 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068495Jy sigma=0.000915 ! Fit after self-cal, rms=0.068425Jy sigma=0.000913 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1451-400_X ! Writing UV FITS file: 1451-400_X.uvf ! Writing 111 model components to file: 1451-400_X.mod ! wwins: Wrote 1 windows to 1451-400_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.014 x 23.88 at -14.67 degrees (North through East) ! Clean map min=-0.017736 max=0.46683 Jy/beam ! Writing clean map to FITS file: 1451-400_X.fits ! Writing difmap environment to: 1451-400_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1451-400_X] device 1451-400_Xuv.ps/vps,1,2 ! Attempting to open device: '1451-400_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1451-400_Xim.ps/vps ! Attempting to open device: '1451-400_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=3.014 mas, bmaj=23.88 mas, bpa=-14.67 degrees ! Estimated noise=2281.18 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.014 x 23.88 at -14.67 degrees (North through East) ! Clean map min=-0.017736 max=0.46683 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1-pw] quit ! Quitting program ! Log file 1451-400_X.log closed on Sat Apr 28 18:39:02 2007