! Started logfile: 1451-375_X.log on Tue Aug 12 17:01:55 2008 observe 1451-375_X.edt ! Reading UV FITS file: 1451-375_X.edt ! AN table 1: 9 integrations on 171 of 171 possible baselines. ! AN table 2: 8 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0512556 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1451-375 ! ! 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 596 visibilities. ![@gonzo7-0.1 1451-375_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 156 telescope corrections were flagged in sub-array 1. ! A total of 112 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 156 telescope corrections were flagged in sub-array 1. ! A total of 112 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 156 telescope corrections were flagged in sub-array 1. ! A total of 112 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 156 telescope corrections were flagged in sub-array 1. ! A total of 112 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.325116Jy sigma=5.637524 ! Fit after self-cal, rms=0.325116Jy sigma=5.637524 ! 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=0.6722 mas, bmaj=3.404 mas, bpa=11.82 degrees ! Estimated noise=3.18872 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 = 0.903939 Jy ! Total flux subtracted in 50 components = 0.903939 Jy ! Clean residual min=-0.074250 max=0.252091 Jy/beam ! Clean residual mean=0.001118 rms=0.040806 Jy/beam ! Combined flux in latest and established models = 0.903939 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 0.903939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.396293Jy sigma=6.905541 ! Fit after self-cal, rms=0.396293Jy sigma=6.905540 ! 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=0.8156 mas, bmaj=4.328 mas, bpa=11.14 degrees ! Estimated noise=2.41433 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 = 0.266685 Jy ! Component: 100 - total flux cleaned = 0.372769 Jy ! Total flux subtracted in 100 components = 0.372769 Jy ! Clean residual min=-0.032527 max=0.056314 Jy/beam ! Clean residual mean=0.003133 rms=0.013554 Jy/beam ! Combined flux in latest and established models = 1.27671 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 1.27671 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185149Jy sigma=3.075078 ! Fit after self-cal, rms=0.185138Jy sigma=3.074979 ! 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 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.89 GC 1.00* HH 1.00* ! HN 1.00* KK 1.09 KP 1.06 LA 0.87 ! MA 1.00* MK 1.01 NL 1.00* NY 1.00* ! OV 0.95 PT 0.89 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.88 GC 1.00* HH 1.00* ! HN 1.00* KK 1.13 KP 0.93 LA 0.90 ! MA 1.00* MK 0.92 NL 1.00* NY 1.00* ! OV 0.99 PT 1.05 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.03 GC 1.00* HH 1.00* ! HN 1.00* KK 1.08 KP 0.88 LA 1.00 ! MA 1.00* MK 0.91 NL 1.00* NY 1.00* ! OV 0.91 PT 1.01 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.07 GC 1.00* HH 1.00* ! HN 1.00* KK 1.06 KP 0.90 LA 1.25 ! MA 1.00* MK 0.98 NL 1.00* NY 1.00* ! OV 1.03 PT 1.03 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.185138Jy sigma=3.074979 ! Fit after self-cal, rms=0.077609Jy sigma=1.042810 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9313 mas, bmaj=7.452 mas, bpa=4.69 degrees ! Estimated noise=2.52925 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 = -0.00191068 Jy ! Component: 100 - total flux cleaned = -0.00241153 Jy ! Total flux subtracted in 100 components = -0.00241153 Jy ! Clean residual min=-0.009323 max=0.009248 Jy/beam ! Clean residual mean=0.001061 rms=0.003162 Jy/beam ! Combined flux in latest and established models = 1.2743 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 15 components and 1.2743 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077264Jy sigma=1.041405 ! Fit after self-cal, rms=0.077309Jy sigma=1.040540 ! 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 = -0.000428124 Jy ! Component: 100 - total flux cleaned = -0.000413258 Jy ! Total flux subtracted in 100 components = -0.000413258 Jy ! Clean residual min=-0.009107 max=0.009340 Jy/beam ! Clean residual mean=0.001073 rms=0.003137 Jy/beam ! Combined flux in latest and established models = 1.27388 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 26 components and 1.27388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077164Jy sigma=1.041058 ! Fit after self-cal, rms=0.076036Jy sigma=1.014775 ! Inverting map and beam ! Estimated beam: bmin=0.9315 mas, bmaj=7.459 mas, bpa=4.682 degrees ! Estimated noise=2.52846 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 = -0.00242512 Jy ! Component: 100 - total flux cleaned = -0.00296219 Jy ! Total flux subtracted in 100 components = -0.00296219 Jy ! Clean residual min=-0.008764 max=0.009411 Jy/beam ! Clean residual mean=0.000825 rms=0.003263 Jy/beam ! Combined flux in latest and established models = 1.27092 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 28 components and 1.27092 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075850Jy sigma=1.015586 ! Fit after self-cal, rms=0.075864Jy sigma=1.015179 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1451-375_X ! Writing UV FITS file: 1451-375_X.uvf ! Writing 28 model components to file: 1451-375_X.mod ! wwins: Wrote 1 windows to 1451-375_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9315 x 7.459 at 4.682 degrees (North through East) ! Clean map min=-0.0084355 max=1.1803 Jy/beam ! Writing clean map to FITS file: 1451-375_X.fits ! Writing difmap environment to: 1451-375_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1451-375_X] device 1451-375_Xuv.ps/vps,1,2 ! Attempting to open device: '1451-375_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1451-375_Xim.ps/vps ! Attempting to open device: '1451-375_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=0.9315 mas, bmaj=7.459 mas, bpa=4.682 degrees ! Estimated noise=2.52846 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9315 x 7.459 at 4.682 degrees (North through East) ! Clean map min=-0.0084355 max=1.1803 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1] quit ! Quitting program ! Log file 1451-375_X.log closed on Tue Aug 12 17:02:01 2008