! Started logfile: 3C120_X.log on Tue Apr 1 23:13:49 2008 observe 3C120_X.edt ! Reading UV FITS file: 3C120_X.edt ! AN table 1: 65 integrations on 136 of 136 possible baselines. ! AN table 2: 30 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0886997 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 3C120 ! ! 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 1230 lines of history. ! ! Reading 4584 visibilities. ![@gonzo5-0.1 3C120_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 983 telescope corrections were flagged in sub-array 1. ! A total of 446 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 985 telescope corrections were flagged in sub-array 1. ! A total of 442 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 987 telescope corrections were flagged in sub-array 1. ! A total of 445 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 996 telescope corrections were flagged in sub-array 1. ! A total of 445 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.641649Jy sigma=0.014831 ! Fit after self-cal, rms=0.645770Jy sigma=0.014936 ! 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=0.5621 mas, bmaj=2.37 mas, bpa=-5.991 degrees ! Estimated noise=2693.38 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 = 0.96866 Jy ! Total flux subtracted in 50 components = 0.96866 Jy ! Clean residual min=-0.155510 max=0.404187 Jy/beam ! Clean residual mean=0.005418 rms=0.062761 Jy/beam ! Combined flux in latest and established models = 0.96866 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 0.96866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.630782Jy sigma=0.013838 ! Fit after self-cal, rms=0.630614Jy sigma=0.013837 ! Inverting map ! Added new window around map position (0.7, 0.7). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.403322 Jy ! Total flux subtracted in 50 components = 0.403322 Jy ! Clean residual min=-0.087116 max=0.191883 Jy/beam ! Clean residual mean=0.002850 rms=0.034345 Jy/beam ! Combined flux in latest and established models = 1.37198 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 15 components and 1.37198 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.382095Jy sigma=0.008047 ! Fit after self-cal, rms=0.379551Jy sigma=0.008017 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.198096 Jy ! Total flux subtracted in 50 components = 0.198096 Jy ! Clean residual min=-0.068889 max=0.105152 Jy/beam ! Clean residual mean=0.001613 rms=0.023099 Jy/beam ! Combined flux in latest and established models = 1.57008 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 48 components and 1.57008 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286454Jy sigma=0.005600 ! Fit after self-cal, rms=0.285074Jy sigma=0.005582 ! 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=0.8419 mas, bmaj=2.631 mas, bpa=-4.134 degrees ! Estimated noise=1052.39 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 = 0.167671 Jy ! Component: 100 - total flux cleaned = 0.259812 Jy ! Total flux subtracted in 100 components = 0.259812 Jy ! Clean residual min=-0.048612 max=0.078449 Jy/beam ! Clean residual mean=0.001645 rms=0.018741 Jy/beam ! Combined flux in latest and established models = 1.82989 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 57 model components to the UV plane model. ! The established model now contains 98 components and 1.82989 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.202588Jy sigma=0.003012 ! Fit after self-cal, rms=0.202213Jy sigma=0.003003 ! 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: ! BR 0.97 FD 0.98 GC 1.00* HN 0.99 ! KK 1.00* KP 0.97 LA 0.97 MC 1.05 ! MK 1.00* NL 1.00* NY 1.00* ON 0.81 ! OV 0.97 PT 0.97 SC 0.99 WF 0.99 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HN 1.00 ! KK 1.00* KP 1.00* LA 1.00* MC 0.98 ! MK 1.00* NL 1.00* NY 1.06 ON 0.99 ! OV 1.00* PT 1.00* SC 1.00* WF 0.96 ! WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 GC 1.00* HN 0.99 ! KK 1.00* KP 0.97 LA 0.97 MC 1.02 ! MK 1.00* NL 1.00* NY 1.00* ON 0.80 ! OV 0.97 PT 0.97 SC 0.98 WF 0.98 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HN 1.00 ! KK 1.00* KP 1.00* LA 1.00* MC 1.00 ! MK 1.00* NL 1.00* NY 1.04 ON 0.97 ! OV 1.00* PT 1.00* SC 1.01 WF 0.96 ! WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 GC 1.00* HN 1.00 ! KK 1.00* KP 0.97 LA 0.97 MC 1.10 ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 0.97 PT 0.97 SC 1.00 WF 0.98 ! WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HN 0.99 ! KK 1.00* KP 1.00* LA 1.00* MC 1.09 ! MK 1.00* NL 1.00* NY 0.95 ON 0.90 ! OV 1.00* PT 1.00* SC 1.00* WF 0.97 ! WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 GC 1.00* HN 0.99 ! KK 1.00* KP 0.97 LA 0.97 MC 1.09 ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 0.97 PT 0.97 SC 0.99 WF 0.98 ! WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HN 1.03 ! KK 1.00* KP 1.00* LA 1.00* MC 1.09 ! MK 1.00* NL 1.00* NY 0.96 ON 0.89 ! OV 1.00* PT 1.00* SC 0.79 WF 0.94 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.202213Jy sigma=0.003003 ! Fit after self-cal, rms=0.183024Jy sigma=0.002631 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8601 mas, bmaj=2.685 mas, bpa=-4.392 degrees ! Estimated noise=1029.74 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 (-5.9, -4.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0609581 Jy ! Component: 100 - total flux cleaned = 0.0774012 Jy ! Total flux subtracted in 100 components = 0.0774012 Jy ! Clean residual min=-0.035393 max=0.053288 Jy/beam ! Clean residual mean=-0.002890 rms=0.011006 Jy/beam ! Combined flux in latest and established models = 1.90729 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 109 components and 1.90729 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158705Jy sigma=0.002183 ! Fit after self-cal, rms=0.157153Jy sigma=0.002126 ! Inverting map ! Added new window around map position (6, 6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0357732 Jy ! Component: 100 - total flux cleaned = 0.0452734 Jy ! Total flux subtracted in 100 components = 0.0452734 Jy ! Clean residual min=-0.029013 max=0.021540 Jy/beam ! Clean residual mean=-0.003984 rms=0.007509 Jy/beam ! Combined flux in latest and established models = 1.95256 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 127 components and 1.95257 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138680Jy sigma=0.001799 ! Fit after self-cal, rms=0.138556Jy sigma=0.001792 ! 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 = 0.00287468 Jy ! Component: 100 - total flux cleaned = 0.00567611 Jy ! Total flux subtracted in 100 components = 0.00567611 Jy ! Clean residual min=-0.027181 max=0.020285 Jy/beam ! Clean residual mean=-0.004125 rms=0.006785 Jy/beam ! Combined flux in latest and established models = 1.95824 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 138 components and 1.95824 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131870Jy sigma=0.001716 ! Fit after self-cal, rms=0.126320Jy sigma=0.001577 ! Inverting map and beam ! Estimated beam: bmin=0.8631 mas, bmaj=2.681 mas, bpa=-4.2 degrees ! Estimated noise=1033.67 mJy/beam. ! Added new window around map position (-9.1, -4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0250411 Jy ! Component: 100 - total flux cleaned = 0.0399149 Jy ! Total flux subtracted in 100 components = 0.0399149 Jy ! Clean residual min=-0.017934 max=0.016679 Jy/beam ! Clean residual mean=-0.001381 rms=0.004767 Jy/beam ! Combined flux in latest and established models = 1.99816 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 172 components and 1.99816 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.120879Jy sigma=0.001429 ! Fit after self-cal, rms=0.120569Jy sigma=0.001404 ! Inverting map and beam ! Estimated beam: bmin=0.8644 mas, bmaj=2.684 mas, bpa=-4.114 degrees ! Estimated noise=1036.49 mJy/beam. ! Added new window around map position (24.3, 23.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.013343 Jy ! Component: 100 - total flux cleaned = 0.018387 Jy ! Total flux subtracted in 100 components = 0.018387 Jy ! Clean residual min=-0.015103 max=0.011942 Jy/beam ! Clean residual mean=-0.000758 rms=0.003997 Jy/beam ! Combined flux in latest and established models = 2.01654 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 27 model components to the UV plane model. ! The established model now contains 190 components and 2.01654 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.116461Jy sigma=0.001332 ! Fit after self-cal, rms=0.117122Jy sigma=0.001325 ! Inverting map and beam ! Estimated beam: bmin=0.865 mas, bmaj=2.685 mas, bpa=-4.077 degrees ! Estimated noise=1037.67 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 = 0.00782067 Jy ! Component: 100 - total flux cleaned = 0.0100486 Jy ! Total flux subtracted in 100 components = 0.0100486 Jy ! Clean residual min=-0.013266 max=0.011422 Jy/beam ! Clean residual mean=-0.000468 rms=0.003545 Jy/beam ! Combined flux in latest and established models = 2.02659 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 203 components and 2.02659 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.114438Jy sigma=0.001284 ! Fit after self-cal, rms=0.114128Jy sigma=0.001277 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C120_X ! Writing UV FITS file: 3C120_X.uvf ! Writing 203 model components to file: 3C120_X.mod ! wwins: Wrote 6 windows to 3C120_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.865 x 2.685 at -4.077 degrees (North through East) ! Clean map min=-0.026433 max=1.1368 Jy/beam ! Writing clean map to FITS file: 3C120_X.fits ! Writing difmap environment to: 3C120_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 3C120_X] device 3C120_Xuv.ps/vps,1,2 ! Attempting to open device: '3C120_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 3C120_Xim.ps/vps ! Attempting to open device: '3C120_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=0.865 mas, bmaj=2.685 mas, bpa=-4.077 degrees ! Estimated noise=1037.67 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.865 x 2.685 at -4.077 degrees (North through East) ! Clean map min=-0.026433 max=1.1368 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo5-0.1] quit ! Quitting program ! Log file 3C120_X.log closed on Tue Apr 1 23:13:56 2008