! Started logfile: 1418+546_S.log on Tue Aug 16 17:59:39 2005 observe 1418+546_S.edt ! Reading UV FITS file: 1418+546_S.edt ! AN table 1: 41 integrations on 171 of 171 possible baselines. ! AN table 2: 244 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.178722 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1418+546 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1565 lines of history. ! ! Reading 34840 visibilities. ![@gonzo7-0.4 1418+546_S] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.4 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 0.400x0.400 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 725 telescope corrections were flagged in sub-array 1. ! A total of 3162 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 716 telescope corrections were flagged in sub-array 1. ! A total of 3162 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 719 telescope corrections were flagged in sub-array 1. ! A total of 3174 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 713 telescope corrections were flagged in sub-array 1. ! A total of 3181 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.686901Jy sigma=0.011341 ! Fit after self-cal, rms=0.685304Jy sigma=0.011338 ! 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=2.207 mas, bmaj=2.844 mas, bpa=-8.576 degrees ! Estimated noise=604.187 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 = 0.22235 Jy ! Total flux subtracted in 50 components = 0.22235 Jy ! Clean residual min=-0.010429 max=0.067424 Jy/beam ! Clean residual mean=-0.000086 rms=0.003160 Jy/beam ! Combined flux in latest and established models = 0.22235 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 0.22235 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149153Jy sigma=0.002431 ! Fit after self-cal, rms=0.149137Jy sigma=0.002430 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0690923 Jy ! Total flux subtracted in 50 components = 0.0690923 Jy ! Clean residual min=-0.006866 max=0.029321 Jy/beam ! Clean residual mean=-0.000068 rms=0.001823 Jy/beam ! Combined flux in latest and established models = 0.291442 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 9 components and 0.291442 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109145Jy sigma=0.001764 ! Fit after self-cal, rms=0.109094Jy sigma=0.001763 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0306197 Jy ! Total flux subtracted in 50 components = 0.0306197 Jy ! Clean residual min=-0.005547 max=0.014105 Jy/beam ! Clean residual mean=-0.000059 rms=0.001430 Jy/beam ! Combined flux in latest and established models = 0.322062 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 10 components and 0.322062 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097694Jy sigma=0.001569 ! Fit after self-cal, rms=0.097653Jy sigma=0.001568 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0142351 Jy ! Total flux subtracted in 50 components = 0.0142351 Jy ! Clean residual min=-0.005108 max=0.014368 Jy/beam ! Clean residual mean=-0.000056 rms=0.001337 Jy/beam ! Combined flux in latest and established models = 0.336297 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 17 components and 0.336297 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.094324Jy sigma=0.001511 ! Fit after self-cal, rms=0.094291Jy sigma=0.001511 ! Inverting map ! Added new window around map position (13.6, -6.8). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.013915 Jy ! Total flux subtracted in 50 components = 0.013915 Jy ! Clean residual min=-0.004805 max=0.010609 Jy/beam ! Clean residual mean=-0.000050 rms=0.001244 Jy/beam ! Combined flux in latest and established models = 0.350212 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 32 components and 0.350212 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090836Jy sigma=0.001451 ! Fit after self-cal, rms=0.090749Jy sigma=0.001450 ! Inverting map ! Added new window around map position (4.4, -2.8). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0112221 Jy ! Total flux subtracted in 50 components = 0.0112221 Jy ! Clean residual min=-0.004659 max=0.008372 Jy/beam ! Clean residual mean=-0.000047 rms=0.001166 Jy/beam ! Combined flux in latest and established models = 0.361434 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 41 components and 0.361434 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088495Jy sigma=0.001411 ! Fit after self-cal, rms=0.088411Jy sigma=0.001410 ! Inverting map ! Added new window around map position (14, -12). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00963757 Jy ! Total flux subtracted in 50 components = 0.00963757 Jy ! Clean residual min=-0.004531 max=0.007812 Jy/beam ! Clean residual mean=-0.000043 rms=0.001108 Jy/beam ! Combined flux in latest and established models = 0.371072 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 51 components and 0.371072 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086690Jy sigma=0.001380 ! Fit after self-cal, rms=0.086641Jy sigma=0.001379 ! Inverting map ! Added new window around map position (7.6, -9.6). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00900872 Jy ! Total flux subtracted in 50 components = 0.00900871 Jy ! Clean residual min=-0.004449 max=0.006905 Jy/beam ! Clean residual mean=-0.000040 rms=0.001055 Jy/beam ! Combined flux in latest and established models = 0.38008 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 62 components and 0.38008 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085023Jy sigma=0.001351 ! Fit after self-cal, rms=0.084980Jy sigma=0.001351 ! 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=2.933 mas, bmaj=3.815 mas, bpa=-17.33 degrees ! Estimated noise=297.073 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 = 0.0189998 Jy ! Component: 100 - total flux cleaned = 0.0324667 Jy ! Total flux subtracted in 100 components = 0.0324667 Jy ! Clean residual min=-0.004452 max=0.010141 Jy/beam ! Clean residual mean=-0.000129 rms=0.001528 Jy/beam ! Combined flux in latest and established models = 0.412547 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 56 model components to the UV plane model. ! The established model now contains 106 components and 0.412547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080721Jy sigma=0.001275 ! Fit after self-cal, rms=0.080481Jy sigma=0.001271 ! Inverting map ! Added new window around map position (18, -11.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0121367 Jy ! Component: 100 - total flux cleaned = 0.0214176 Jy ! Total flux subtracted in 100 components = 0.0214176 Jy ! Clean residual min=-0.003478 max=0.006061 Jy/beam ! Clean residual mean=-0.000094 rms=0.001169 Jy/beam ! Combined flux in latest and established models = 0.433965 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 51 model components to the UV plane model. ! The established model now contains 143 components and 0.433964 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078585Jy sigma=0.001237 ! Fit after self-cal, rms=0.078497Jy sigma=0.001236 ! 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 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 78 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.98 GC 1.00* HH 1.00* ! HN 0.99 KK 1.04 KP 0.98 LA 0.95 ! MC 1.00* MK 0.95 NL 1.00 NY 1.00* ! ON 1.00* OV 0.96 PT 0.96 SC 0.95 ! TS 1.04 WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 75 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.97 GC 1.00* HH 1.00* ! HN 1.01 KK 0.99 KP 0.97 LA 0.94 ! MC 1.00* MK 1.00 NL 1.00 NY 1.00* ! ON 1.00* OV 0.99 PT 0.95 SC 1.06 ! TS 1.04 WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 69 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 1.00* HH 1.00* ! HN 1.00 KK 1.03 KP 0.97 LA 0.99 ! MC 1.00* MK 0.99 NL 1.01 NY 1.00* ! ON 1.00* OV 1.00 PT 0.99 SC 1.12 ! TS 1.06 WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! A total of 57 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.97 GC 1.00* HH 1.00* ! HN 1.02 KK 1.06 KP 0.98 LA 0.97 ! MC 1.00* MK 1.00 NL 1.00 NY 1.00* ! ON 1.00* OV 1.00 PT 0.97 SC 1.16 ! TS 1.05 WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.078497Jy sigma=0.001236 ! Fit after self-cal, rms=0.075914Jy sigma=0.001208 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.965 mas, bmaj=3.895 mas, bpa=-19.71 degrees ! Estimated noise=295.889 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 = 0.00690418 Jy ! Component: 100 - total flux cleaned = 0.0116133 Jy ! Total flux subtracted in 100 components = 0.0116133 Jy ! Clean residual min=-0.002338 max=0.003816 Jy/beam ! Clean residual mean=-0.000006 rms=0.000715 Jy/beam ! Combined flux in latest and established models = 0.445578 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 174 components and 0.445578 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075340Jy sigma=0.001197 ! Fit after self-cal, rms=0.075319Jy sigma=0.001196 ! 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 (24.4, -13.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00420686 Jy ! Component: 100 - total flux cleaned = 0.00728848 Jy ! Total flux subtracted in 100 components = 0.00728848 Jy ! Clean residual min=-0.002247 max=0.002576 Jy/beam ! Clean residual mean=0.000007 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.452866 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 192 components and 0.452866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075097Jy sigma=0.001192 ! Fit after self-cal, rms=0.073969Jy sigma=0.001165 ! Inverting map and beam ! Estimated beam: bmin=2.956 mas, bmaj=3.896 mas, bpa=-19.64 degrees ! Estimated noise=296.454 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 (9.2, -4.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00324724 Jy ! Component: 100 - total flux cleaned = 0.00557301 Jy ! Total flux subtracted in 100 components = 0.00557301 Jy ! Clean residual min=-0.001932 max=0.002162 Jy/beam ! Clean residual mean=-0.000001 rms=0.000523 Jy/beam ! Combined flux in latest and established models = 0.458439 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 220 components and 0.458439 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073832Jy sigma=0.001162 ! Fit after self-cal, rms=0.073825Jy sigma=0.001162 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1418+546_S ! Writing UV FITS file: 1418+546_S.uvf ! Writing 220 model components to file: 1418+546_S.mod ! wwins: Wrote 8 windows to 1418+546_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.956 x 3.896 at -19.64 degrees (North through East) ! Clean map min=-0.0019086 max=0.30595 Jy/beam ! Writing clean map to FITS file: 1418+546_S.fits ! Writing difmap environment to: 1418+546_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1418+546_S] device 1418+546_Suv.ps/vps,1,2 ! Attempting to open device: '1418+546_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1418+546_Sim.ps/vps ! Attempting to open device: '1418+546_Sim.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=2.956 mas, bmaj=3.896 mas, bpa=-19.64 degrees ! Estimated noise=296.454 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.956 x 3.896 at -19.64 degrees (North through East) ! Clean map min=-0.0019086 max=0.30595 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1418+546_S.log closed on Tue Aug 16 18:00:29 2005