! Started logfile: OW-015_S.log on Thu May 8 13:13:59 2008 observe OW-015_S.edt ! Reading UV FITS file: OW-015_S.edt ! AN table 1: 30 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.140305 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: OW-015 ! ! 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 955 lines of history. ! ! Reading 2576 visibilities. ![@gonzo6-0.4 OW-015_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 = 6.0 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 403 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 399 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 418 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 428 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.555297Jy sigma=0.005742 ! Fit after self-cal, rms=0.553891Jy sigma=0.005750 ! 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=1.977 mas, bmaj=8.599 mas, bpa=-7.367 degrees ! Estimated noise=2495.1 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 = 0.886506 Jy ! Total flux subtracted in 50 components = 0.886506 Jy ! Clean residual min=-0.078847 max=0.304720 Jy/beam ! Clean residual mean=0.001031 rms=0.029965 Jy/beam ! Combined flux in latest and established models = 0.886506 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 0.886506 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.599336Jy sigma=0.006293 ! Fit after self-cal, rms=0.599250Jy sigma=0.006292 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.327821 Jy ! Total flux subtracted in 50 components = 0.327821 Jy ! Clean residual min=-0.054651 max=0.148241 Jy/beam ! Clean residual mean=0.000690 rms=0.019488 Jy/beam ! Combined flux in latest and established models = 1.21433 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 10 components and 1.21433 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.402868Jy sigma=0.004189 ! Fit after self-cal, rms=0.402603Jy sigma=0.004187 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.174734 Jy ! Total flux subtracted in 50 components = 0.174734 Jy ! Clean residual min=-0.045507 max=0.096277 Jy/beam ! Clean residual mean=0.000509 rms=0.015240 Jy/beam ! Combined flux in latest and established models = 1.38906 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 28 components and 1.38906 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.320752Jy sigma=0.003309 ! Fit after self-cal, rms=0.320575Jy sigma=0.003308 ! Inverting map ! Added new window around map position (2.8, -2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.117682 Jy ! Total flux subtracted in 50 components = 0.117682 Jy ! Clean residual min=-0.041388 max=0.064462 Jy/beam ! Clean residual mean=0.000388 rms=0.012849 Jy/beam ! Combined flux in latest and established models = 1.50674 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 36 components and 1.50674 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.275674Jy sigma=0.002823 ! Fit after self-cal, rms=0.275436Jy sigma=0.002821 ! 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=2.177 mas, bmaj=9.645 mas, bpa=-6.391 degrees ! Estimated noise=1615.47 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 = 0.116729 Jy ! Component: 100 - total flux cleaned = 0.185684 Jy ! Total flux subtracted in 100 components = 0.185684 Jy ! Clean residual min=-0.039670 max=0.081975 Jy/beam ! Clean residual mean=0.000444 rms=0.012719 Jy/beam ! Combined flux in latest and established models = 1.69243 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 85 components and 1.69243 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230579Jy sigma=0.002304 ! Fit after self-cal, rms=0.229959Jy sigma=0.002300 ! Inverting map ! Added new window around map position (13.6, -21.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.077168 Jy ! Component: 100 - total flux cleaned = 0.12603 Jy ! Total flux subtracted in 100 components = 0.12603 Jy ! Clean residual min=-0.036377 max=0.043266 Jy/beam ! Clean residual mean=0.000263 rms=0.009590 Jy/beam ! Combined flux in latest and established models = 1.81846 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 115 components and 1.81846 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.207115Jy sigma=0.002007 ! Fit after self-cal, rms=0.205941Jy sigma=0.001996 ! 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 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.06 GC 0.99 HH 1.00* ! HN 0.98 KK 1.02 KP 0.90 LA 0.95 ! MC 1.01 MK 1.02 NL 0.91 NY 1.00* ! ON 1.10 OV 0.94 PT 1.02 SC 0.92 ! WF 1.26 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 1.00 FD 1.00 GC 0.99 HH 1.00* ! HN 1.01 KK 1.01 KP 0.98 LA 0.95 ! MC 0.89 MK 0.97 NL 0.94 NY 1.00* ! ON 1.04 OV 0.94 PT 0.91 SC 1.00 ! WF 1.32 WZ 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.04 GC 0.99 HH 1.00* ! HN 1.14 KK 1.04 KP 0.95 LA 0.95 ! MC 2.34 MK 0.94 NL 0.96 NY 1.00* ! ON 1.12 OV 0.97 PT 0.97 SC 1.09 ! WF 1.33 WZ 0.90 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 GC 0.95 HH 1.00* ! HN 1.10 KK 1.03 KP 0.99 LA 1.00* ! MC 1.74 MK 0.95 NL 0.97 NY 1.00* ! ON 1.23 OV 0.87 PT 0.97 SC 1.14 ! WF 1.42 WZ 0.88 ! ! ! Fit before self-cal, rms=0.205941Jy sigma=0.001996 ! Fit after self-cal, rms=0.153712Jy sigma=0.001384 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.214 mas, bmaj=9.711 mas, bpa=-6.372 degrees ! Estimated noise=1610.32 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 (21.6, -23.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0415187 Jy ! Component: 100 - total flux cleaned = 0.0641231 Jy ! Total flux subtracted in 100 components = 0.0641231 Jy ! Clean residual min=-0.015960 max=0.015745 Jy/beam ! Clean residual mean=0.000051 rms=0.003676 Jy/beam ! Combined flux in latest and established models = 1.88258 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 132 components and 1.88258 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144174Jy sigma=0.001252 ! Fit after self-cal, rms=0.143727Jy sigma=0.001248 ! 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 (17.6, -22.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0111732 Jy ! Component: 100 - total flux cleaned = 0.0177426 Jy ! Total flux subtracted in 100 components = 0.0177426 Jy ! Clean residual min=-0.014263 max=0.013064 Jy/beam ! Clean residual mean=0.000053 rms=0.003222 Jy/beam ! Combined flux in latest and established models = 1.90032 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 158 components and 1.90032 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141486Jy sigma=0.001220 ! Fit after self-cal, rms=0.138808Jy sigma=0.001188 ! Inverting map and beam ! Estimated beam: bmin=2.212 mas, bmaj=9.728 mas, bpa=-6.372 degrees ! Estimated noise=1604.02 mJy/beam. ! Added new window around map position (26.8, -26). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00849691 Jy ! Component: 100 - total flux cleaned = 0.0131244 Jy ! Total flux subtracted in 100 components = 0.0131244 Jy ! Clean residual min=-0.011508 max=0.009948 Jy/beam ! Clean residual mean=0.000016 rms=0.002671 Jy/beam ! Combined flux in latest and established models = 1.91345 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 164 components and 1.91345 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137224Jy sigma=0.001169 ! Fit after self-cal, rms=0.136923Jy sigma=0.001165 ! Inverting map and beam ! Estimated beam: bmin=2.214 mas, bmaj=9.731 mas, bpa=-6.37 degrees ! Estimated noise=1602.17 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 = 0.00205311 Jy ! Component: 100 - total flux cleaned = 0.00473538 Jy ! Total flux subtracted in 100 components = 0.00473538 Jy ! Clean residual min=-0.010621 max=0.009405 Jy/beam ! Clean residual mean=0.000015 rms=0.002455 Jy/beam ! Combined flux in latest and established models = 1.91818 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 170 components and 1.91818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136016Jy sigma=0.001155 ! Fit after self-cal, rms=0.135951Jy sigma=0.001154 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save OW-015_S ! Writing UV FITS file: OW-015_S.uvf ! Writing 170 model components to file: OW-015_S.mod ! wwins: Wrote 6 windows to OW-015_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.214 x 9.731 at -6.37 degrees (North through East) ! Clean map min=-0.01039 max=1.1684 Jy/beam ! Writing clean map to FITS file: OW-015_S.fits ! Writing difmap environment to: OW-015_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot OW-015_S] device OW-015_Suv.ps/vps,1,2 ! Attempting to open device: 'OW-015_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device OW-015_Sim.ps/vps ! Attempting to open device: 'OW-015_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=2.214 mas, bmaj=9.731 mas, bpa=-6.37 degrees ! Estimated noise=1602.17 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.214 x 9.731 at -6.37 degrees (North through East) ! Clean map min=-0.01039 max=1.1684 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.4] quit ! Quitting program ! Log file OW-015_S.log closed on Thu May 8 13:14:06 2008