! Started logfile: 3C446_X.log on Fri Apr 24 15:36:46 2009 observe 3C446_X.edt ! Reading UV FITS file: 3C446_X.edt ! AN table 1: 39 integrations on 190 of 190 possible baselines. ! AN table 2: 28 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.229772 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 1491 lines of history. ! ! Reading 11700 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 553 telescope corrections were flagged in sub-array 1. ! A total of 444 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 553 telescope corrections were flagged in sub-array 1. ! A total of 449 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 553 telescope corrections were flagged in sub-array 1. ! A total of 444 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 566 telescope corrections were flagged in sub-array 1. ! A total of 448 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=2.813227Jy sigma=29.718484 ! Fit after self-cal, rms=2.792666Jy sigma=29.731254 ! 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=0.4976 mas, bmaj=1.572 mas, bpa=-1.023 degrees ! Estimated noise=2.07035 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 = 2.5541 Jy ! Total flux subtracted in 50 components = 2.5541 Jy ! Clean residual min=-0.263561 max=0.741985 Jy/beam ! Clean residual mean=0.003005 rms=0.064687 Jy/beam ! Combined flux in latest and established models = 2.5541 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 4 components and 2.5541 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.506677Jy sigma=15.437284 ! Fit after self-cal, rms=1.506611Jy sigma=15.436970 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.764 Jy ! Total flux subtracted in 50 components = 0.764 Jy ! Clean residual min=-0.169035 max=0.337756 Jy/beam ! Clean residual mean=0.002211 rms=0.042070 Jy/beam ! Combined flux in latest and established models = 3.3181 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 3.3181 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.132673Jy sigma=10.081045 ! Fit after self-cal, rms=1.132397Jy sigma=10.074800 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.369923 Jy ! Total flux subtracted in 50 components = 0.369924 Jy ! Clean residual min=-0.136775 max=0.202117 Jy/beam ! Clean residual mean=0.001830 rms=0.033904 Jy/beam ! Combined flux in latest and established models = 3.68803 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 8 components and 3.68803 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.043949Jy sigma=8.312891 ! Fit after self-cal, rms=1.043887Jy sigma=8.311263 ! 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=0.6365 mas, bmaj=1.823 mas, bpa=-0.9424 degrees ! Estimated noise=1.47087 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 = 0.174949 Jy ! Component: 100 - total flux cleaned = 0.214852 Jy ! Total flux subtracted in 100 components = 0.214852 Jy ! Clean residual min=-0.144501 max=0.283361 Jy/beam ! Clean residual mean=0.015479 rms=0.050522 Jy/beam ! Combined flux in latest and established models = 3.90288 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 15 components and 3.90288 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.022294Jy sigma=7.788931 ! Fit after self-cal, rms=1.022271Jy sigma=7.786701 ! 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 0.97 FD 1.00* GC 0.92 HH 1.00* ! HN 0.95 KK 1.03 KP 1.08 LA 1.29 ! MA 0.71 MC 0.84 MK 1.03 NL 1.82 ! NY 1.00* ON 0.97 OV 0.96 PT 0.97 ! SC 0.84 TS 1.00* WF 0.88 WZ 0.80 ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 GC 0.91 HH 1.00* ! HN 1.05 KK 0.73 KP 0.93 LA 0.83 ! MA 1.00* MC 1.00* MK 0.99 NL 1.22 ! NY 1.00* ON 1.00* OV 0.97 PT 1.00 ! SC 1.19 TS 1.01 WF 1.11 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00* GC 0.94 HH 1.00* ! HN 0.92 KK 0.99 KP 1.07 LA 1.23 ! MA 0.77 MC 0.84 MK 1.02 NL 1.85 ! NY 1.00* ON 0.92 OV 0.95 PT 0.95 ! SC 2.42 TS 1.00* WF 0.91 WZ 0.81 ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 0.88 HH 1.00* ! HN 1.05 KK 0.78 KP 0.90 LA 0.82 ! MA 1.00* MC 1.00* MK 0.99 NL 1.23 ! NY 1.00* ON 1.00* OV 1.00 PT 0.97 ! SC 1.00* TS 1.04 WF 1.09 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00* GC 0.90 HH 1.00* ! HN 0.95 KK 0.94 KP 1.10 LA 1.29 ! MA 0.71 MC 0.85 MK 0.78 NL 1.79 ! NY 1.00* ON 0.83 OV 0.95 PT 0.96 ! SC 0.81 TS 1.00* WF 0.85 WZ 0.79 ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.97 GC 0.88 HH 1.00* ! HN 1.02 KK 0.74 KP 0.92 LA 0.83 ! MA 1.00* MC 1.00* MK 0.97 NL 1.26 ! NY 1.00* ON 1.00* OV 0.95 PT 0.97 ! SC 1.24 TS 1.08 WF 1.08 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00* GC 0.89 HH 1.00* ! HN 0.95 KK 1.00 KP 1.05 LA 1.24 ! MA 0.73 MC 0.85 MK 0.96 NL 1.73 ! NY 1.00* ON 0.91 OV 0.98 PT 0.94 ! SC 0.81 TS 1.00* WF 0.91 WZ 0.80 ! ! A total of 42 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.98 GC 0.88 HH 1.00* ! HN 1.08 KK 0.71 KP 1.00* LA 0.79 ! MA 1.00* MC 1.00* MK 1.00 NL 1.27 ! NY 1.00* ON 1.00* OV 0.97 PT 1.00 ! SC 1.26 TS 0.96 WF 1.04 WZ 1.00* ! ! ! Fit before self-cal, rms=1.022271Jy sigma=7.786701 ! Fit after self-cal, rms=0.350565Jy sigma=1.794075 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6338 mas, bmaj=1.803 mas, bpa=-1.804 degrees ! Estimated noise=1.48245 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 (1.2, -1.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0606856 Jy ! Component: 100 - total flux cleaned = 0.0869908 Jy ! Total flux subtracted in 100 components = 0.0869908 Jy ! Clean residual min=-0.022814 max=0.037956 Jy/beam ! Clean residual mean=0.002972 rms=0.006816 Jy/beam ! Combined flux in latest and established models = 3.98987 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 29 components and 3.98987 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.343197Jy sigma=1.692421 ! Fit after self-cal, rms=0.342931Jy sigma=1.655191 ! 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 (-2.2, -7.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0314203 Jy ! Component: 100 - total flux cleaned = 0.0433328 Jy ! Total flux subtracted in 100 components = 0.0433328 Jy ! Clean residual min=-0.023780 max=0.033743 Jy/beam ! Clean residual mean=0.002112 rms=0.006344 Jy/beam ! Combined flux in latest and established models = 4.0332 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 45 components and 4.0332 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.339640Jy sigma=1.631503 ! Fit after self-cal, rms=0.329656Jy sigma=1.461331 ! Inverting map and beam ! Estimated beam: bmin=0.6315 mas, bmaj=1.799 mas, bpa=-1.857 degrees ! Estimated noise=1.48245 mJy/beam. ! Added new window around map position (3.4, -0.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0379326 Jy ! Component: 100 - total flux cleaned = 0.0625623 Jy ! Total flux subtracted in 100 components = 0.0625623 Jy ! Clean residual min=-0.016059 max=0.028743 Jy/beam ! Clean residual mean=0.001704 rms=0.004945 Jy/beam ! Combined flux in latest and established models = 4.09576 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 64 components and 4.09577 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325714Jy sigma=1.411544 ! Fit after self-cal, rms=0.322451Jy sigma=1.345909 ! Inverting map and beam ! Estimated beam: bmin=0.6299 mas, bmaj=1.798 mas, bpa=-1.879 degrees ! Estimated noise=1.48318 mJy/beam. ! Added new window around map position (0.8, 2.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0298612 Jy ! Component: 100 - total flux cleaned = 0.0478719 Jy ! Total flux subtracted in 100 components = 0.0478719 Jy ! Clean residual min=-0.012536 max=0.022443 Jy/beam ! Clean residual mean=0.001287 rms=0.004148 Jy/beam ! Combined flux in latest and established models = 4.14364 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 72 components and 4.14364 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.320158Jy sigma=1.309040 ! Fit after self-cal, rms=0.318897Jy sigma=1.278819 ! Inverting map and beam ! Estimated beam: bmin=0.6286 mas, bmaj=1.796 mas, bpa=-1.897 degrees ! Estimated noise=1.48355 mJy/beam. ! Added new window around map position (-1.2, 2.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0250301 Jy ! Component: 100 - total flux cleaned = 0.0357165 Jy ! Total flux subtracted in 100 components = 0.0357165 Jy ! Clean residual min=-0.011909 max=0.018182 Jy/beam ! Clean residual mean=0.000931 rms=0.003640 Jy/beam ! Combined flux in latest and established models = 4.17935 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 87 components and 4.17935 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.317340Jy sigma=1.252637 ! Fit after self-cal, rms=0.316569Jy sigma=1.234758 ! Inverting map and beam ! Estimated beam: bmin=0.6276 mas, bmaj=1.796 mas, bpa=-1.924 degrees ! Estimated noise=1.48341 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 (3.8, 6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0195765 Jy ! Component: 100 - total flux cleaned = 0.0245659 Jy ! Total flux subtracted in 100 components = 0.0245659 Jy ! Clean residual min=-0.010789 max=0.014508 Jy/beam ! Clean residual mean=0.000710 rms=0.003228 Jy/beam ! Combined flux in latest and established models = 4.20392 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 99 components and 4.20392 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.315460Jy sigma=1.213258 ! Fit after self-cal, rms=0.314640Jy sigma=1.201802 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C446_X ! Writing UV FITS file: 3C446_X.uvf ! Writing 99 model components to file: 3C446_X.mod ! wwins: Wrote 7 windows to 3C446_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6276 x 1.796 at -1.924 degrees (North through East) ! Clean map min=-0.01043 max=3.4115 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=0.6276 mas, bmaj=1.796 mas, bpa=-1.924 degrees ! Estimated noise=1.48341 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6276 x 1.796 at -1.924 degrees (North through East) ! Clean map min=-0.01043 max=3.4115 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1] quit ! Quitting program ! Log file 3C446_X.log closed on Fri Apr 24 15:36:55 2009