! Started logfile: 1921-293_X.log on Fri Aug 4 08:24:52 2006 observe 1921-293_X.edt ! Reading UV FITS file: 1921-293_X.edt ! AN table 1: 24 integrations on 190 of 190 possible baselines. ! AN table 2: 14 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0914127 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1921-293 ! ! 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 1409 lines of history. ! ! Reading 2640 visibilities. ![@gonzo8-0.1 1921-293_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 430 telescope corrections were flagged in sub-array 1. ! A total of 235 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 436 telescope corrections were flagged in sub-array 1. ! A total of 235 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 430 telescope corrections were flagged in sub-array 1. ! A total of 235 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 430 telescope corrections were flagged in sub-array 1. ! A total of 235 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=6.591959Jy sigma=0.077074 ! Fit after self-cal, rms=6.603711Jy sigma=0.077346 ! 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=0.8385 mas, bmaj=3.693 mas, bpa=-2.661 degrees ! Estimated noise=2413 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 = 5.61943 Jy ! Total flux subtracted in 50 components = 5.61943 Jy ! Clean residual min=-0.475967 max=1.567523 Jy/beam ! Clean residual mean=0.002748 rms=0.182397 Jy/beam ! Combined flux in latest and established models = 5.61943 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 5.61943 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.274807Jy sigma=0.027278 ! Fit after self-cal, rms=2.274948Jy sigma=0.027277 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.3418 Jy ! Total flux subtracted in 50 components = 1.3418 Jy ! Clean residual min=-0.267945 max=0.551560 Jy/beam ! Clean residual mean=0.002620 rms=0.102659 Jy/beam ! Combined flux in latest and established models = 6.96123 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 6.96123 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.379688Jy sigma=0.016604 ! Fit after self-cal, rms=1.379617Jy sigma=0.016596 ! 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=0.9784 mas, bmaj=3.871 mas, bpa=-3.667 degrees ! Estimated noise=1867.13 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 = 0.805634 Jy ! Component: 100 - total flux cleaned = 1.2407 Jy ! Total flux subtracted in 100 components = 1.2407 Jy ! Clean residual min=-0.173484 max=0.386051 Jy/beam ! Clean residual mean=0.011491 rms=0.085042 Jy/beam ! Combined flux in latest and established models = 8.20193 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 40 model components to the UV plane model. ! The established model now contains 49 components and 8.20193 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.907692Jy sigma=0.010581 ! Fit after self-cal, rms=0.902064Jy sigma=0.010532 ! 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 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.90 GC 1.00* HN 1.06 ! LA 1.00* NL 1.03 OV 1.04 SC 1.00 ! WF 0.89 GG 1.00* HH 1.00* KK 1.00* ! KP 1.08 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.99 GC 1.00* HN 1.00* ! LA 1.09 NL 1.00* OV 0.96 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.94 ! KP 0.98 MA 1.00* MC 1.00* MK 1.02 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.88 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.88 GC 1.00* HN 1.06 ! LA 1.00* NL 1.03 OV 1.04 SC 1.36 ! WF 0.89 GG 1.00* HH 1.00* KK 1.00* ! KP 1.04 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 GC 1.00* HN 1.00* ! LA 1.07 NL 1.00* OV 0.99 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.94 ! KP 0.97 MA 1.00* MC 1.00* MK 1.00 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.91 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.89 GC 1.00* HN 1.03 ! LA 1.00* NL 1.03 OV 1.05 SC 0.97 ! WF 0.91 GG 1.00* HH 1.00* KK 1.00* ! KP 1.02 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.97 GC 1.00* HN 1.00* ! LA 1.11 NL 1.00* OV 0.97 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.93 ! KP 0.95 MA 1.00* MC 1.00* MK 0.96 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.93 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.88 GC 1.00* HN 1.04 ! LA 1.00* NL 1.06 OV 1.05 SC 1.00 ! WF 0.87 GG 1.00* HH 1.00* KK 1.00* ! KP 1.06 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.96 GC 1.00* HN 1.00* ! LA 1.05 NL 1.00* OV 0.94 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.93 ! KP 0.98 MA 1.00* MC 1.00* MK 1.00 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.92 ! ! ! Fit before self-cal, rms=0.902064Jy sigma=0.010532 ! Fit after self-cal, rms=0.625294Jy sigma=0.007093 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9747 mas, bmaj=3.981 mas, bpa=-3.917 degrees ! Estimated noise=1825.42 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 = 0.171361 Jy ! Component: 100 - total flux cleaned = 0.234892 Jy ! Total flux subtracted in 100 components = 0.234892 Jy ! Clean residual min=-0.106933 max=0.269829 Jy/beam ! Clean residual mean=0.009763 rms=0.057674 Jy/beam ! Combined flux in latest and established models = 8.43682 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 58 components and 8.43682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.582710Jy sigma=0.006555 ! Fit after self-cal, rms=0.577654Jy sigma=0.006522 ! 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 = 0.0332875 Jy ! Component: 100 - total flux cleaned = 0.0353358 Jy ! Total flux subtracted in 100 components = 0.0353358 Jy ! Clean residual min=-0.107460 max=0.262953 Jy/beam ! Clean residual mean=0.009523 rms=0.056852 Jy/beam ! Combined flux in latest and established models = 8.47216 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 69 components and 8.47216 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.569690Jy sigma=0.006413 ! Fit after self-cal, rms=0.554451Jy sigma=0.006213 ! Inverting map and beam ! Estimated beam: bmin=0.9706 mas, bmaj=3.969 mas, bpa=-3.905 degrees ! Estimated noise=1825.75 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 = 0.083869 Jy ! Component: 100 - total flux cleaned = 0.108463 Jy ! Total flux subtracted in 100 components = 0.108463 Jy ! Clean residual min=-0.107502 max=0.246856 Jy/beam ! Clean residual mean=0.008145 rms=0.055592 Jy/beam ! Combined flux in latest and established models = 8.58062 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 75 components and 8.58062 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.542300Jy sigma=0.006063 ! Fit after self-cal, rms=0.540822Jy sigma=0.006057 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1921-293_X ! Writing UV FITS file: 1921-293_X.uvf ! Writing 75 model components to file: 1921-293_X.mod ! wwins: Wrote 1 windows to 1921-293_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9706 x 3.969 at -3.905 degrees (North through East) ! Clean map min=-0.10767 max=7.261 Jy/beam ! Writing clean map to FITS file: 1921-293_X.fits ! Writing difmap environment to: 1921-293_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1921-293_X] device 1921-293_Xuv.ps/vps,1,2 ! Attempting to open device: '1921-293_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1921-293_Xim.ps/vps ! Attempting to open device: '1921-293_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=0.9706 mas, bmaj=3.969 mas, bpa=-3.905 degrees ! Estimated noise=1825.75 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9706 x 3.969 at -3.905 degrees (North through East) ! Clean map min=-0.10767 max=7.261 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 1921-293_X.log closed on Fri Aug 4 08:25:04 2006