! Started logfile: 3C446_X.log on Thu Aug 14 14:56:41 2008 observe 3C446_X.edt ! Reading UV FITS file: 3C446_X.edt ! AN table 1: 55 integrations on 171 of 171 possible baselines. ! AN table 2: 8 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.119465 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 3C446 ! ! 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 5148 visibilities. ![@gonzo5-0.1 3C446_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 = 5.0 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 823 telescope corrections were flagged in sub-array 1. ! A total of 152 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 823 telescope corrections were flagged in sub-array 1. ! A total of 152 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 823 telescope corrections were flagged in sub-array 1. ! A total of 152 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 823 telescope corrections were flagged in sub-array 1. ! A total of 152 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=4.236819Jy sigma=47.453209 ! Fit after self-cal, rms=4.236715Jy sigma=47.453093 ! 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=0.6927 mas, bmaj=1.946 mas, bpa=-7.009 degrees ! Estimated noise=1.81647 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 = 4.01404 Jy ! Total flux subtracted in 50 components = 4.01404 Jy ! Clean residual min=-0.216734 max=1.119534 Jy/beam ! Clean residual mean=0.000660 rms=0.077154 Jy/beam ! Combined flux in latest and established models = 4.01404 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 4.01404 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.312738Jy sigma=15.092619 ! Fit after self-cal, rms=1.312734Jy sigma=15.092620 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.922312 Jy ! Total flux subtracted in 50 components = 0.922312 Jy ! Clean residual min=-0.096644 max=0.340547 Jy/beam ! Clean residual mean=0.000465 rms=0.031898 Jy/beam ! Combined flux in latest and established models = 4.93635 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 7 components and 4.93636 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.590162Jy sigma=6.514705 ! Fit after self-cal, rms=0.589727Jy sigma=6.513217 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.351193 Jy ! Total flux subtracted in 50 components = 0.351193 Jy ! Clean residual min=-0.062417 max=0.153680 Jy/beam ! Clean residual mean=0.000377 rms=0.018816 Jy/beam ! Combined flux in latest and established models = 5.28755 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 10 components and 5.28755 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.385339Jy sigma=3.972789 ! Fit after self-cal, rms=0.384743Jy sigma=3.970368 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.166135 Jy ! Total flux subtracted in 50 components = 0.166135 Jy ! Clean residual min=-0.053236 max=0.083523 Jy/beam ! Clean residual mean=0.000333 rms=0.014613 Jy/beam ! Combined flux in latest and established models = 5.45368 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 13 components and 5.45368 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.316518Jy sigma=3.126779 ! Fit after self-cal, rms=0.316016Jy sigma=3.124492 ! Inverting map ! Added new window around map position (2.9, -1). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.095859 Jy ! Total flux subtracted in 50 components = 0.095859 Jy ! Clean residual min=-0.050066 max=0.056889 Jy/beam ! Clean residual mean=0.000269 rms=0.013014 Jy/beam ! Combined flux in latest and established models = 5.54954 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 16 components and 5.54954 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.288631Jy sigma=2.813536 ! Fit after self-cal, rms=0.287568Jy sigma=2.806136 ! 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=0.8123 mas, bmaj=2.288 mas, bpa=-9.058 degrees ! Estimated noise=1.29918 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 (1.4, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0909137 Jy ! Component: 100 - total flux cleaned = 0.152563 Jy ! Total flux subtracted in 100 components = 0.152563 Jy ! Clean residual min=-0.049375 max=0.055912 Jy/beam ! Clean residual mean=0.000276 rms=0.012705 Jy/beam ! Combined flux in latest and established models = 5.70211 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 41 components and 5.70211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256406Jy sigma=2.471334 ! Fit after self-cal, rms=0.254480Jy sigma=2.446973 ! 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: ! BR 1.02 FD 1.00 GC 1.00* HH 1.00* ! HN 1.01 KK 0.91 KP 1.01 LA 1.02 ! MA 1.00* MK 1.03 NL 1.01 NY 1.00* ! OV 1.02 PT 0.97 SC 1.00 TS 1.00* ! WF 1.01 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. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 GC 1.00* HH 1.00* ! HN 1.01 KK 0.92 KP 1.01 LA 1.02 ! MA 1.00* MK 1.04 NL 0.99 NY 1.00* ! OV 1.01 PT 0.97 SC 0.99 TS 1.00* ! WF 0.98 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. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 GC 1.00* HH 1.00* ! HN 1.02 KK 1.02 KP 0.99 LA 1.00 ! MA 1.00* MK 1.02 NL 1.02 NY 1.00* ! OV 1.02 PT 0.96 SC 0.98 TS 1.00* ! WF 1.01 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. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 GC 1.00* HH 1.00* ! HN 1.00 KK 0.98 KP 0.98 LA 1.00 ! MA 1.00* MK 1.01 NL 0.99 NY 1.00* ! OV 1.02 PT 0.96 SC 0.99 TS 1.00* ! WF 0.97 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=0.254480Jy sigma=2.446973 ! Fit after self-cal, rms=0.203847Jy sigma=1.601848 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8123 mas, bmaj=2.292 mas, bpa=-8.908 degrees ! Estimated noise=1.29467 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 (3.7, -1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0444969 Jy ! Component: 100 - total flux cleaned = 0.0731404 Jy ! Total flux subtracted in 100 components = 0.0731404 Jy ! Clean residual min=-0.022734 max=0.022584 Jy/beam ! Clean residual mean=0.000121 rms=0.006049 Jy/beam ! Combined flux in latest and established models = 5.77525 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 56 components and 5.77525 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192233Jy sigma=1.481936 ! Fit after self-cal, rms=0.191293Jy sigma=1.466837 ! 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 (5.5, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.025714 Jy ! Component: 100 - total flux cleaned = 0.0388861 Jy ! Total flux subtracted in 100 components = 0.0388861 Jy ! Clean residual min=-0.022090 max=0.022113 Jy/beam ! Clean residual mean=-0.000018 rms=0.005490 Jy/beam ! Combined flux in latest and established models = 5.81413 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 73 components and 5.81413 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186498Jy sigma=1.422636 ! Fit after self-cal, rms=0.148026Jy sigma=1.095475 ! Inverting map and beam ! Estimated beam: bmin=0.8127 mas, bmaj=2.297 mas, bpa=-9.004 degrees ! Estimated noise=1.29583 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 = 0.0169016 Jy ! Component: 100 - total flux cleaned = 0.0197006 Jy ! Total flux subtracted in 100 components = 0.0197006 Jy ! Clean residual min=-0.012008 max=0.013188 Jy/beam ! Clean residual mean=0.000144 rms=0.003096 Jy/beam ! Combined flux in latest and established models = 5.83383 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 91 components and 5.83383 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144699Jy sigma=1.072890 ! Fit after self-cal, rms=0.144637Jy sigma=1.068081 ! Inverting map ! Added new window around map position (-0.3, 3.1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00466653 Jy ! Component: 100 - total flux cleaned = 0.00918147 Jy ! Total flux subtracted in 100 components = 0.00918147 Jy ! Clean residual min=-0.010985 max=0.011540 Jy/beam ! Clean residual mean=0.000110 rms=0.002878 Jy/beam ! Combined flux in latest and established models = 5.84301 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 102 components and 5.84301 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141872Jy sigma=1.052665 ! Fit after self-cal, rms=0.141936Jy sigma=1.051414 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C446_X ! Writing UV FITS file: 3C446_X.uvf ! Writing 102 model components to file: 3C446_X.mod ! wwins: Wrote 6 windows to 3C446_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8127 x 2.297 at -9.004 degrees (North through East) ! Clean map min=-0.011223 max=5.1925 Jy/beam ! Writing clean map to FITS file: 3C446_X.fits ! Writing difmap environment to: 3C446_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 3C446_X] device 3C446_Xuv.ps/vps,1,2 ! Attempting to open device: '3C446_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 3C446_Xim.ps/vps ! Attempting to open device: '3C446_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=0.8127 mas, bmaj=2.297 mas, bpa=-9.004 degrees ! Estimated noise=1.29583 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8127 x 2.297 at -9.004 degrees (North through East) ! Clean map min=-0.011223 max=5.1925 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo5-0.1] quit ! Quitting program ! Log file 3C446_X.log closed on Thu Aug 14 14:56:51 2008