! Started logfile: 3C446_X.log on Fri Jul 11 14:58:17 2008 observe 3C446_X.edt ! Reading UV FITS file: 3C446_X.edt ! AN table 1: 66 integrations on 190 of 190 possible baselines. ! AN table 2: 17 integrations on 190 of 190 possible baselines. ! AN table 3: 17 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.166421 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 1472 lines of history. ! ! Reading 12648 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 1111 telescope corrections were flagged in sub-array 1. ! A total of 263 telescope corrections were flagged in sub-array 2. ! A total of 274 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1090 telescope corrections were flagged in sub-array 1. ! A total of 263 telescope corrections were flagged in sub-array 2. ! A total of 272 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1076 telescope corrections were flagged in sub-array 1. ! A total of 263 telescope corrections were flagged in sub-array 2. ! A total of 272 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1075 telescope corrections were flagged in sub-array 1. ! A total of 263 telescope corrections were flagged in sub-array 2. ! A total of 271 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=2.734165Jy sigma=25.811167 ! Fit after self-cal, rms=2.748894Jy sigma=25.834884 ! 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=0.5278 mas, bmaj=1.024 mas, bpa=5.831 degrees ! Estimated noise=1.68336 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 = 2.44268 Jy ! Total flux subtracted in 50 components = 2.44268 Jy ! Clean residual min=-0.161402 max=0.726894 Jy/beam ! Clean residual mean=0.001505 rms=0.050955 Jy/beam ! Combined flux in latest and established models = 2.44268 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 2.44268 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.711831Jy sigma=13.064287 ! Fit after self-cal, rms=1.711613Jy sigma=13.063890 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.661187 Jy ! Total flux subtracted in 50 components = 0.661187 Jy ! Clean residual min=-0.177915 max=0.271564 Jy/beam ! Clean residual mean=0.001730 rms=0.038862 Jy/beam ! Combined flux in latest and established models = 3.10387 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 10 components and 3.10387 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.427801Jy sigma=9.539147 ! Fit after self-cal, rms=1.426742Jy sigma=9.538582 ! 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=0.5894 mas, bmaj=1.076 mas, bpa=14.31 degrees ! Estimated noise=1.26128 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 = 0.336656 Jy ! Component: 100 - total flux cleaned = 0.490359 Jy ! Total flux subtracted in 100 components = 0.490359 Jy ! Clean residual min=-0.147489 max=0.166355 Jy/beam ! Clean residual mean=0.005449 rms=0.034593 Jy/beam ! Combined flux in latest and established models = 3.59423 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 25 components and 3.59423 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.320509Jy sigma=8.717143 ! Fit after self-cal, rms=1.318894Jy sigma=8.714661 ! 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 0.92 FD 0.86 GC 1.00* HH 0.95 ! HN 1.00* KK 1.00* KP 1.03 LA 1.00* ! MA 0.74 MC 1.41 MK 1.00* NL 1.17 ! NY 1.00* ON 1.08 OV 1.71 PT 0.96 ! SC 0.87 TS 1.00* WF 1.37 WZ 0.74 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.86 FD 1.03 GC 1.07 HH 1.00* ! HN 0.94 KK 0.98 KP 1.08 LA 0.93 ! MA 1.00* MC 1.00* MK 0.71 NL 0.83 ! NY 1.00* ON 1.00* OV 0.94 PT 0.92 ! SC 0.83 TS 1.00* WF 0.52 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.76 FD 1.12 GC 1.00* HH 1.00* ! HN 3.03 KK 1.38 KP 1.10 LA 0.96 ! MA 1.00* MC 1.00* MK 1.21 NL 1.00 ! NY 1.00* ON 1.00* OV 1.22 PT 1.06 ! SC 1.03 TS 1.00* WF 1.07 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 GC 1.00* HH 0.96 ! HN 4.90 KK 1.00* KP 1.11 LA 1.00* ! MA 0.72 MC 1.06 MK 1.00* NL 1.22 ! NY 1.00* ON 1.17 OV 1.00* PT 0.95 ! SC 0.99 TS 1.00* WF 1.11 WZ 0.82 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.03 GC 1.11 HH 1.00* ! HN 1.01 KK 0.98 KP 1.06 LA 0.97 ! MA 1.00* MC 1.00* MK 0.68 NL 0.84 ! NY 1.00* ON 1.00* OV 0.95 PT 0.81 ! SC 0.75 TS 1.00* WF 0.60 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.81 FD 1.12 GC 1.00* HH 1.00* ! HN 2.85 KK 1.41 KP 1.15 LA 1.09 ! MA 1.00* MC 1.00* MK 1.14 NL 1.05 ! NY 1.00* ON 1.00* OV 1.19 PT 1.08 ! SC 0.99 TS 1.00* WF 1.08 WZ 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 0.84 FD 1.05 GC 1.00* HH 1.12 ! HN 4.35 KK 1.00* KP 1.01 LA 1.00* ! MA 0.87 MC 1.47 MK 1.00* NL 1.00 ! NY 1.00* ON 0.55 OV 1.00* PT 0.96 ! SC 1.32 TS 1.00* WF 0.84 WZ 0.78 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.81 FD 1.07 GC 0.99 HH 1.00* ! HN 0.82 KK 0.95 KP 1.07 LA 0.98 ! MA 1.00* MC 1.00* MK 0.85 NL 0.82 ! NY 1.00* ON 1.00* OV 0.84 PT 1.00 ! SC 0.83 TS 1.00* WF 0.53 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.75 FD 1.14 GC 1.00* HH 1.00* ! HN 2.77 KK 1.34 KP 1.15 LA 1.07 ! MA 1.00* MC 1.00* MK 1.22 NL 1.05 ! NY 1.00* ON 1.00* OV 1.08 PT 0.97 ! SC 0.98 TS 1.00* WF 1.15 WZ 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 0.89 FD 0.98 GC 1.00* HH 1.28 ! HN 1.52 KK 1.00* KP 1.02 LA 1.00* ! MA 0.89 MC 1.40 MK 1.00* NL 1.11 ! NY 1.00* ON 0.83 OV 1.00* PT 0.90 ! SC 0.96 TS 1.00* WF 0.95 WZ 0.83 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 FD 1.14 GC 1.09 HH 1.00* ! HN 0.71 KK 0.90 KP 1.04 LA 0.86 ! MA 1.00* MC 1.00* MK 0.70 NL 0.79 ! NY 1.00* ON 1.00* OV 0.85 PT 0.97 ! SC 0.76 TS 1.00* WF 0.65 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.70 FD 1.16 GC 1.00* HH 1.00* ! HN 2.47 KK 0.94 KP 1.14 LA 1.05 ! MA 1.00* MC 1.00* MK 1.21 NL 0.86 ! NY 1.00* ON 1.00* OV 1.08 PT 1.06 ! SC 0.93 TS 1.00* WF 1.06 WZ 1.00* ! ! ! Fit before self-cal, rms=1.318894Jy sigma=8.714661 ! Fit after self-cal, rms=0.615199Jy sigma=1.943207 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6024 mas, bmaj=1.108 mas, bpa=11.05 degrees ! Estimated noise=1.24005 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 (0.5, 0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0481718 Jy ! Component: 100 - total flux cleaned = 0.0496972 Jy ! Total flux subtracted in 100 components = 0.0496972 Jy ! Clean residual min=-0.027090 max=0.053069 Jy/beam ! Clean residual mean=0.000047 rms=0.007322 Jy/beam ! Combined flux in latest and established models = 3.64392 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 35 components and 3.64392 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.604102Jy sigma=1.793641 ! Fit after self-cal, rms=0.598269Jy sigma=1.781788 ! Inverting map ! Added new window around map position (3, -0.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0491741 Jy ! Component: 100 - total flux cleaned = 0.0588745 Jy ! Total flux subtracted in 100 components = 0.0588745 Jy ! Clean residual min=-0.024395 max=0.029153 Jy/beam ! Clean residual mean=0.000032 rms=0.006137 Jy/beam ! Combined flux in latest and established models = 3.7028 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 45 components and 3.7028 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.592700Jy sigma=1.640936 ! Fit after self-cal, rms=0.590379Jy sigma=1.626116 ! 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 = 0.0132427 Jy ! Component: 100 - total flux cleaned = 0.0183162 Jy ! Total flux subtracted in 100 components = 0.0183162 Jy ! Clean residual min=-0.023394 max=0.027464 Jy/beam ! Clean residual mean=0.000025 rms=0.005721 Jy/beam ! Combined flux in latest and established models = 3.72111 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 53 components and 3.72111 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.587173Jy sigma=1.581995 ! Fit after self-cal, rms=0.823964Jy sigma=1.187635 ! Inverting map and beam ! Estimated beam: bmin=0.6019 mas, bmaj=1.109 mas, bpa=11.24 degrees ! Estimated noise=1.24088 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 = 0.0102549 Jy ! Component: 100 - total flux cleaned = 0.0161577 Jy ! Total flux subtracted in 100 components = 0.0161577 Jy ! Clean residual min=-0.014797 max=0.016231 Jy/beam ! Clean residual mean=0.000014 rms=0.003299 Jy/beam ! Combined flux in latest and established models = 3.73727 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 64 components and 3.73727 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.822477Jy sigma=1.154565 ! Fit after self-cal, rms=0.826169Jy sigma=1.149503 ! Inverting map ! Added new window around map position (4.5, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0117586 Jy ! Component: 100 - total flux cleaned = 0.0147227 Jy ! Total flux subtracted in 100 components = 0.0147227 Jy ! Clean residual min=-0.014787 max=0.013294 Jy/beam ! Clean residual mean=0.000009 rms=0.003049 Jy/beam ! Combined flux in latest and established models = 3.75199 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 72 components and 3.75199 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.825527Jy sigma=1.127854 ! Fit after self-cal, rms=0.828190Jy sigma=1.125603 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C446_X ! Writing UV FITS file: 3C446_X.uvf ! Writing 72 model components to file: 3C446_X.mod ! wwins: Wrote 4 windows to 3C446_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6019 x 1.109 at 11.24 degrees (North through East) ! Clean map min=-0.013789 max=3.1119 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=0.6019 mas, bmaj=1.109 mas, bpa=11.24 degrees ! Estimated noise=1.24088 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6019 x 1.109 at 11.24 degrees (North through East) ! Clean map min=-0.013789 max=3.1119 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1] quit ! Quitting program ! Log file 3C446_X.log closed on Fri Jul 11 14:58:27 2008