! Started logfile: 3C446_X.log on Sat Apr 28 20:04:39 2007 observe 3C446_X.edt ! Reading UV FITS file: 3C446_X.edt ! AN table 1: 16 integrations on 153 of 153 possible baselines. ! AN table 2: 49 integrations on 153 of 153 possible baselines. ! AN table 3: 4 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.148811 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 1304 lines of history. ! ! Reading 6284 visibilities. ![@gonzo7-0.1 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 = 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 198 telescope corrections were flagged in sub-array 1. ! A total of 526 telescope corrections were flagged in sub-array 2. ! A total of 48 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 198 telescope corrections were flagged in sub-array 1. ! A total of 526 telescope corrections were flagged in sub-array 2. ! A total of 48 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 198 telescope corrections were flagged in sub-array 1. ! A total of 526 telescope corrections were flagged in sub-array 2. ! A total of 48 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 198 telescope corrections were flagged in sub-array 1. ! A total of 526 telescope corrections were flagged in sub-array 2. ! A total of 48 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=4.209637Jy sigma=0.063355 ! Fit after self-cal, rms=4.209254Jy sigma=0.063367 ! 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=0.5329 mas, bmaj=1.876 mas, bpa=1.134 degrees ! Estimated noise=1286.82 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 = 3.40748 Jy ! Total flux subtracted in 50 components = 3.40748 Jy ! Clean residual min=-0.357936 max=1.187120 Jy/beam ! Clean residual mean=-0.004903 rms=0.119738 Jy/beam ! Combined flux in latest and established models = 3.40748 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 5 components and 3.40748 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.953063Jy sigma=0.029673 ! Fit after self-cal, rms=1.952557Jy sigma=0.029667 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.22126 Jy ! Total flux subtracted in 50 components = 1.22126 Jy ! Clean residual min=-0.159081 max=0.520434 Jy/beam ! Clean residual mean=-0.002755 rms=0.057640 Jy/beam ! Combined flux in latest and established models = 4.62874 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 8 components and 4.62874 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.940179Jy sigma=0.014375 ! Fit after self-cal, rms=0.939261Jy sigma=0.014363 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.541045 Jy ! Total flux subtracted in 50 components = 0.541045 Jy ! Clean residual min=-0.115769 max=0.236286 Jy/beam ! Clean residual mean=-0.001804 rms=0.033853 Jy/beam ! Combined flux in latest and established models = 5.16978 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 9 components and 5.16978 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.522319Jy sigma=0.008073 ! Fit after self-cal, rms=0.522066Jy sigma=0.008071 ! 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=0.8977 mas, bmaj=1.882 mas, bpa=6.559 degrees ! Estimated noise=628.968 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 = 0.339088 Jy ! Component: 100 - total flux cleaned = 0.479109 Jy ! Total flux subtracted in 100 components = 0.479109 Jy ! Clean residual min=-0.099605 max=0.097034 Jy/beam ! Clean residual mean=-0.003137 rms=0.028790 Jy/beam ! Combined flux in latest and established models = 5.64889 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 33 model components to the UV plane model. ! The established model now contains 41 components and 5.64889 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294129Jy sigma=0.004454 ! Fit after self-cal, rms=0.293794Jy sigma=0.004452 ! 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: ! FD 1.04 GC 1.01 HH 1.00* HN 1.00* ! LA 1.01 MC 1.00* MK 0.99 NY 1.00* ! ON 1.00* OV 1.00 PT 0.98 SC 1.00* ! TS 1.09 WF 1.00* BR 0.99 KK 1.00* ! KP 0.97 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.02 GC 0.98 HH 1.00* HN 1.00* ! LA 1.01 MC 1.00* MK 0.99 NY 1.00* ! ON 1.00* OV 1.00 PT 0.97 SC 1.00* ! TS 1.00* WF 1.00* BR 0.99 KK 1.00* ! KP 0.97 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.97 GC 1.00* HH 1.00* HN 0.98 ! LA 0.96 MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* OV 1.00* PT 0.96 SC 1.00* ! TS 1.00* WF 1.00 BR 1.00* KK 1.00* ! KP 0.99 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 GC 1.03 HH 1.00* HN 1.00* ! LA 1.01 MC 1.00* MK 0.99 NY 1.00* ! ON 1.00* OV 1.00 PT 1.01 SC 1.00* ! TS 1.08 WF 1.00* BR 1.00 KK 1.00* ! KP 0.94 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.01 GC 1.00 HH 1.00* HN 1.00* ! LA 1.00 MC 1.00* MK 0.99 NY 1.00* ! ON 1.00* OV 1.00 PT 1.01 SC 1.00* ! TS 1.00* WF 1.00* BR 0.99 KK 1.00* ! KP 0.93 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.96 GC 1.00* HH 1.00* HN 0.97 ! LA 0.95 MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* OV 1.00* PT 0.99 SC 1.00* ! TS 1.00* WF 1.02 BR 1.00* KK 1.00* ! KP 0.95 WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 GC 1.05 HH 1.00* HN 1.00* ! LA 1.02 MC 1.00* MK 1.00 NY 1.00* ! ON 1.00* OV 1.03 PT 1.04 SC 1.00* ! TS 1.06 WF 1.00* BR 1.01 KK 1.00* ! KP 0.92 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.99 GC 1.03 HH 1.00* HN 1.00* ! LA 1.01 MC 1.00* MK 1.01 NY 1.00* ! ON 1.00* OV 1.02 PT 1.03 SC 1.00* ! TS 1.00* WF 1.00* BR 1.02 KK 1.00* ! KP 0.91 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.94 GC 1.00* HH 1.00* HN 0.98 ! LA 0.97 MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* OV 1.00* PT 1.01 SC 1.00* ! TS 1.00* WF 1.16 BR 1.00* KK 1.00* ! KP 0.95 WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 GC 1.10 HH 1.00* HN 1.00* ! LA 0.99 MC 1.00* MK 1.04 NY 1.00* ! ON 1.00* OV 1.00 PT 1.02 SC 1.00* ! TS 1.04 WF 1.00* BR 0.99 KK 1.00* ! KP 0.94 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.98 GC 1.06 HH 1.00* HN 1.00* ! LA 0.99 MC 1.00* MK 1.04 NY 1.00* ! ON 1.00* OV 1.00 PT 1.01 SC 1.00* ! TS 1.00* WF 1.00* BR 0.99 KK 1.00* ! KP 0.93 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.93 GC 1.00* HH 1.00* HN 0.98 ! LA 0.95 MC 1.00* MK 1.00* NY 1.00* ! ON 1.00* OV 1.00* PT 1.01 SC 1.00* ! TS 1.00* WF 1.15 BR 1.00* KK 1.00* ! KP 0.96 WZ 1.00* ! ! ! Fit before self-cal, rms=0.293794Jy sigma=0.004452 ! Fit after self-cal, rms=0.179018Jy sigma=0.002615 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9133 mas, bmaj=1.898 mas, bpa=6.699 degrees ! Estimated noise=625.167 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 = -0.0146155 Jy ! Component: 100 - total flux cleaned = -0.0157317 Jy ! Total flux subtracted in 100 components = -0.0157317 Jy ! Clean residual min=-0.037338 max=0.072968 Jy/beam ! Clean residual mean=-0.001493 rms=0.013349 Jy/beam ! Combined flux in latest and established models = 5.63316 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 49 components and 5.63316 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177774Jy sigma=0.002599 ! Fit after self-cal, rms=0.177612Jy sigma=0.002598 ! 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 (3.3, -0.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.063256 Jy ! Component: 100 - total flux cleaned = 0.0956732 Jy ! Total flux subtracted in 100 components = 0.0956732 Jy ! Clean residual min=-0.027874 max=0.042225 Jy/beam ! Clean residual mean=-0.001028 rms=0.008634 Jy/beam ! Combined flux in latest and established models = 5.72883 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 63 components and 5.72883 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157607Jy sigma=0.002241 ! Fit after self-cal, rms=0.122975Jy sigma=0.001743 ! Inverting map and beam ! Estimated beam: bmin=0.912 mas, bmaj=1.898 mas, bpa=6.634 degrees ! Estimated noise=623.41 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 = 0.0299857 Jy ! Component: 100 - total flux cleaned = 0.0445217 Jy ! Total flux subtracted in 100 components = 0.0445217 Jy ! Clean residual min=-0.019098 max=0.028263 Jy/beam ! Clean residual mean=-0.000856 rms=0.006153 Jy/beam ! Combined flux in latest and established models = 5.77335 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 78 components and 5.77335 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.116556Jy sigma=0.001624 ! Fit after self-cal, rms=0.115849Jy sigma=0.001615 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C446_X ! Writing UV FITS file: 3C446_X.uvf ! Writing 78 model components to file: 3C446_X.mod ! wwins: Wrote 2 windows to 3C446_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.912 x 1.898 at 6.634 degrees (North through East) ! Clean map min=-0.018577 max=5.0115 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=0.912 mas, bmaj=1.898 mas, bpa=6.634 degrees ! Estimated noise=623.41 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.912 x 1.898 at 6.634 degrees (North through East) ! Clean map min=-0.018577 max=5.0115 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1] quit ! Quitting program ! Log file 3C446_X.log closed on Sat Apr 28 20:04:56 2007