! Started logfile: 0537-441_X.log on Mon Aug 11 10:57:23 2008 observe 0537-441_X.edt ! Reading UV FITS file: 0537-441_X.edt ! AN table 1: 10 integrations on 171 of 171 possible baselines. ! AN table 2: 25 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0274018 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0537-441 ! ! 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 1526 lines of history. ! ! Reading 656 visibilities. ![@gonzo7-0.1-pw 0537-441_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 = 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 0.100x0.100 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 145 telescope corrections were flagged in sub-array 1. ! A total of 475 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 145 telescope corrections were flagged in sub-array 1. ! A total of 475 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 145 telescope corrections were flagged in sub-array 1. ! A total of 475 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 145 telescope corrections were flagged in sub-array 1. ! A total of 475 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=2.534336Jy sigma=30.992668 ! Fit after self-cal, rms=2.534333Jy sigma=30.992661 ! 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=0.6313 mas, bmaj=1.802 mas, bpa=-5.933 degrees ! Estimated noise=5.14432 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 = 2.47219 Jy ! Total flux subtracted in 50 components = 2.47219 Jy ! Clean residual min=-0.244328 max=0.691074 Jy/beam ! Clean residual mean=-0.003047 rms=0.109035 Jy/beam ! Combined flux in latest and established models = 2.47219 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 2.47219 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.150554Jy sigma=14.109189 ! Fit after self-cal, rms=1.150599Jy sigma=14.108927 ! 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=0.8675 mas, bmaj=2.577 mas, bpa=-13.08 degrees ! Estimated noise=3.58901 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 = 0.890395 Jy ! Component: 100 - total flux cleaned = 1.21735 Jy ! Total flux subtracted in 100 components = 1.21735 Jy ! Clean residual min=-0.056531 max=0.129535 Jy/beam ! Clean residual mean=-0.001348 rms=0.029576 Jy/beam ! Combined flux in latest and established models = 3.68954 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 34 model components to the UV plane model. ! The established model now contains 35 components and 3.68954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.228623Jy sigma=2.418279 ! Fit after self-cal, rms=0.226084Jy sigma=2.379108 ! 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 1.00* FD 1.00 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.97 LA 0.98 ! MA 1.00* MK 1.03 NL 1.00* NY 1.00* ! OV 0.98 PT 0.94 SC 1.03 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.96 LA 0.99 ! MA 1.00* MK 1.04 NL 1.00* NY 1.00* ! OV 1.00 PT 0.93 SC 1.02 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.97 LA 0.99 ! MA 1.00* MK 1.02 NL 1.00* NY 1.00* ! OV 0.98 PT 0.94 SC 1.01 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.97 LA 0.98 ! MA 1.00* MK 1.01 NL 1.00* NY 1.00* ! OV 0.99 PT 0.94 SC 1.06 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Fit before self-cal, rms=0.226084Jy sigma=2.379108 ! Fit after self-cal, rms=0.136371Jy sigma=1.126761 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8844 mas, bmaj=2.623 mas, bpa=-13.2 degrees ! Estimated noise=3.4741 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 = 0.00595024 Jy ! Component: 100 - total flux cleaned = 0.00595186 Jy ! Total flux subtracted in 100 components = 0.00595186 Jy ! Clean residual min=-0.017994 max=0.036843 Jy/beam ! Clean residual mean=-0.000516 rms=0.007490 Jy/beam ! Combined flux in latest and established models = 3.69549 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 42 components and 3.69549 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.133274Jy sigma=1.123159 ! Fit after self-cal, rms=0.133555Jy sigma=1.111477 ! 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) ! Added new window around map position (2.8, 6.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0290019 Jy ! Component: 100 - total flux cleaned = 0.0281892 Jy ! Total flux subtracted in 100 components = 0.0281892 Jy ! Clean residual min=-0.015090 max=0.022325 Jy/beam ! Clean residual mean=-0.000392 rms=0.005980 Jy/beam ! Combined flux in latest and established models = 3.72368 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 50 components and 3.72368 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123837Jy sigma=1.070242 ! Fit after self-cal, rms=0.119804Jy sigma=0.990748 ! Inverting map and beam ! Estimated beam: bmin=0.8839 mas, bmaj=2.62 mas, bpa=-13.18 degrees ! Estimated noise=3.47037 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 = 0.00967194 Jy ! Component: 100 - total flux cleaned = 0.00976574 Jy ! Total flux subtracted in 100 components = 0.00976574 Jy ! Clean residual min=-0.013467 max=0.017339 Jy/beam ! Clean residual mean=-0.000453 rms=0.005047 Jy/beam ! Combined flux in latest and established models = 3.73344 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 58 components and 3.73344 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.116945Jy sigma=0.987806 ! Fit after self-cal, rms=0.116859Jy sigma=0.971775 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0537-441_X ! Writing UV FITS file: 0537-441_X.uvf ! Writing 58 model components to file: 0537-441_X.mod ! wwins: Wrote 2 windows to 0537-441_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8839 x 2.62 at -13.18 degrees (North through East) ! Clean map min=-0.012672 max=3.3352 Jy/beam ! Writing clean map to FITS file: 0537-441_X.fits ! Writing difmap environment to: 0537-441_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0537-441_X] device 0537-441_Xuv.ps/vps,1,2 ! Attempting to open device: '0537-441_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0537-441_Xim.ps/vps ! Attempting to open device: '0537-441_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=0.8839 mas, bmaj=2.62 mas, bpa=-13.18 degrees ! Estimated noise=3.47037 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8839 x 2.62 at -13.18 degrees (North through East) ! Clean map min=-0.012672 max=3.3352 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1-pw] quit ! Quitting program ! Log file 0537-441_X.log closed on Mon Aug 11 10:57:29 2008