! Started logfile: NRAO512_X.log on Mon Jul 14 12:14:01 2008 observe NRAO512_X.edt ! Reading UV FITS file: NRAO512_X.edt ! AN table 1: 150 integrations on 190 of 190 possible baselines. ! AN table 2: 77 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.244447 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: NRAO512 ! ! 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 1480 lines of history. ! ! Reading 42172 visibilities. ![@gonzo8-0.1 NRAO512_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 1864 telescope corrections were flagged in sub-array 1. ! A total of 1214 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1864 telescope corrections were flagged in sub-array 1. ! A total of 1227 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1864 telescope corrections were flagged in sub-array 1. ! A total of 1227 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1864 telescope corrections were flagged in sub-array 1. ! A total of 1214 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.478943Jy sigma=9.307882 ! Fit after self-cal, rms=0.477872Jy sigma=9.311403 ! 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=0.5083 mas, bmaj=0.8024 mas, bpa=-8.203 degrees ! Estimated noise=0.559629 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 = 0.42826 Jy ! Total flux subtracted in 50 components = 0.42826 Jy ! Clean residual min=-0.024903 max=0.119528 Jy/beam ! Clean residual mean=-0.000004 rms=0.006063 Jy/beam ! Combined flux in latest and established models = 0.42826 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 0.42826 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.349857Jy sigma=5.283751 ! Fit after self-cal, rms=0.349858Jy sigma=5.283756 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.113535 Jy ! Total flux subtracted in 50 components = 0.113535 Jy ! Clean residual min=-0.019897 max=0.050121 Jy/beam ! Clean residual mean=0.000005 rms=0.004719 Jy/beam ! Combined flux in latest and established models = 0.541795 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 9 components and 0.541795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301684Jy sigma=4.049262 ! Fit after self-cal, rms=0.301656Jy sigma=4.048066 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0577565 Jy ! Total flux subtracted in 50 components = 0.0577565 Jy ! Clean residual min=-0.018900 max=0.030273 Jy/beam ! Clean residual mean=0.000009 rms=0.004390 Jy/beam ! Combined flux in latest and established models = 0.599552 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 19 components and 0.599552 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286811Jy sigma=3.708228 ! Fit after self-cal, rms=0.286776Jy sigma=3.707458 ! 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=0.7047 mas, bmaj=0.9978 mas, bpa=0.4527 degrees ! Estimated noise=0.283057 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 = 0.0412266 Jy ! Component: 100 - total flux cleaned = 0.0609913 Jy ! Total flux subtracted in 100 components = 0.0609913 Jy ! Clean residual min=-0.033860 max=0.029137 Jy/beam ! Clean residual mean=0.000099 rms=0.006834 Jy/beam ! Combined flux in latest and established models = 0.660543 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 39 components and 0.660543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277044Jy sigma=3.564662 ! Fit after self-cal, rms=0.276983Jy sigma=3.563000 ! 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 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.68 FD 1.03 GC 1.05 HH 1.00* ! HN 1.00* KK 0.91 KP 1.02 LA 1.00 ! MA 1.00* MC 1.00* MK 0.99 NL 1.32 ! NY 1.14 ON 1.00* OV 1.08 PT 1.01 ! SC 1.16 TS 1.00 WF 1.00* WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.75 FD 1.05 GC 1.22 HH 1.00* ! HN 0.80 KK 1.00 KP 1.06 LA 0.99 ! MA 0.86 MC 0.80 MK 0.75 NL 0.84 ! NY 1.15 ON 1.43 OV 0.93 PT 0.95 ! SC 0.88 TS 1.00* WF 0.54 WZ 1.07 ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.54 FD 0.97 GC 1.03 HH 1.00* ! HN 1.00* KK 0.98 KP 0.98 LA 0.83 ! MA 1.00* MC 1.00* MK 0.82 NL 1.43 ! NY 1.08 ON 1.00* OV 1.07 PT 1.04 ! SC 1.15 TS 1.05 WF 1.00* WZ 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 2.10 FD 1.05 GC 1.24 HH 1.00* ! HN 0.86 KK 0.98 KP 1.10 LA 1.04 ! MA 0.89 MC 0.52 MK 0.72 NL 0.82 ! NY 1.13 ON 1.41 OV 0.94 PT 0.86 ! SC 0.78 TS 1.00* WF 0.61 WZ 1.10 ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.47 FD 1.03 GC 0.89 HH 1.00* ! HN 1.00* KK 1.00 KP 0.90 LA 1.02 ! MA 1.00* MC 1.00* MK 0.85 NL 1.34 ! NY 1.11 ON 1.00* OV 1.05 PT 1.08 ! SC 1.07 TS 1.03 WF 1.00* WZ 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.81 FD 1.16 GC 1.11 HH 1.00* ! HN 0.73 KK 1.04 KP 1.09 LA 1.06 ! MA 1.00 MC 0.71 MK 0.93 NL 0.81 ! NY 1.21 ON 1.41 OV 0.86 PT 1.07 ! SC 0.91 TS 1.00* WF 0.58 WZ 1.07 ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.54 FD 1.01 GC 1.09 HH 1.00* ! HN 1.00* KK 1.04 KP 0.98 LA 0.96 ! MA 1.00* MC 1.00* MK 0.89 NL 1.44 ! NY 0.84 ON 1.00* OV 0.99 PT 1.07 ! SC 0.99 TS 1.00 WF 1.00* WZ 1.00* ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 2.03 FD 1.16 GC 1.31 HH 1.00* ! HN 0.64 KK 1.02 KP 1.06 LA 0.94 ! MA 1.02 MC 0.59 MK 0.78 NL 0.78 ! NY 1.29 ON 1.46 OV 0.87 PT 1.06 ! SC 0.85 TS 1.00* WF 0.71 WZ 0.99 ! ! ! Fit before self-cal, rms=0.276983Jy sigma=3.563000 ! Fit after self-cal, rms=0.153823Jy sigma=1.937187 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7073 mas, bmaj=0.9989 mas, bpa=-0.5689 degrees ! Estimated noise=0.278384 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 = -0.00203443 Jy ! Component: 100 - total flux cleaned = -0.00203228 Jy ! Total flux subtracted in 100 components = -0.00203228 Jy ! Clean residual min=-0.014650 max=0.011121 Jy/beam ! Clean residual mean=0.000027 rms=0.003167 Jy/beam ! Combined flux in latest and established models = 0.658511 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 43 components and 0.658511 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152952Jy sigma=1.933089 ! Fit after self-cal, rms=0.152904Jy sigma=1.931555 ! 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 = 0.00129154 Jy ! Component: 100 - total flux cleaned = 0.00182382 Jy ! Total flux subtracted in 100 components = 0.00182382 Jy ! Clean residual min=-0.014771 max=0.011016 Jy/beam ! Clean residual mean=0.000028 rms=0.003173 Jy/beam ! Combined flux in latest and established models = 0.660335 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 47 components and 0.660335 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152698Jy sigma=1.931559 ! Fit after self-cal, rms=0.136935Jy sigma=1.354089 ! Inverting map and beam ! Estimated beam: bmin=0.7004 mas, bmaj=0.9924 mas, bpa=-1.242 degrees ! Estimated noise=0.277882 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) ! Added new window around map position (0.1, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00860837 Jy ! Component: 100 - total flux cleaned = 0.0107217 Jy ! Total flux subtracted in 100 components = 0.0107217 Jy ! Clean residual min=-0.003334 max=0.004900 Jy/beam ! Clean residual mean=-0.000000 rms=0.000837 Jy/beam ! Combined flux in latest and established models = 0.671056 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 55 components and 0.671057 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136336Jy sigma=1.343897 ! Fit after self-cal, rms=0.136343Jy sigma=1.342035 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save NRAO512_X ! Writing UV FITS file: NRAO512_X.uvf ! Writing 55 model components to file: NRAO512_X.mod ! wwins: Wrote 2 windows to NRAO512_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7004 x 0.9924 at -1.242 degrees (North through East) ! Clean map min=-0.0032488 max=0.57054 Jy/beam ! Writing clean map to FITS file: NRAO512_X.fits ! Writing difmap environment to: NRAO512_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot NRAO512_X] device NRAO512_Xuv.ps/vps,1,2 ! Attempting to open device: 'NRAO512_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device NRAO512_Xim.ps/vps ! Attempting to open device: 'NRAO512_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=0.7004 mas, bmaj=0.9924 mas, bpa=-1.242 degrees ! Estimated noise=0.277882 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7004 x 0.9924 at -1.242 degrees (North through East) ! Clean map min=-0.0032488 max=0.57054 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file NRAO512_X.log closed on Mon Jul 14 12:14:13 2008