! Started logfile: 0642+449_S.log on Tue Apr 15 19:42:44 2008 observe 0642+449_S.edt ! Reading UV FITS file: 0642+449_S.edt ! AN table 1: 111 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.339987 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0642+449 ! ! 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 23096 visibilities. ![@gonzo7-0.4 0642+449_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 1334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1340 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1317 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1445 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.335225Jy sigma=0.003979 ! Fit after self-cal, rms=0.334020Jy sigma=0.003984 ! 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=2.167 mas, bmaj=2.941 mas, bpa=-8.959 degrees ! Estimated noise=1062.81 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 = 0.532602 Jy ! Total flux subtracted in 50 components = 0.532602 Jy ! Clean residual min=-0.018532 max=0.148575 Jy/beam ! Clean residual mean=0.000098 rms=0.004975 Jy/beam ! Combined flux in latest and established models = 0.532602 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.532602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.210530Jy sigma=0.002609 ! Fit after self-cal, rms=0.210530Jy sigma=0.002609 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.116588 Jy ! Total flux subtracted in 50 components = 0.116588 Jy ! Clean residual min=-0.011732 max=0.038995 Jy/beam ! Clean residual mean=0.000048 rms=0.002830 Jy/beam ! Combined flux in latest and established models = 0.64919 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 0.64919 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142162Jy sigma=0.001691 ! Fit after self-cal, rms=0.142178Jy sigma=0.001691 ! Inverting map ! Added new window around map position (3.6, 0). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0429474 Jy ! Total flux subtracted in 50 components = 0.0429474 Jy ! Clean residual min=-0.010190 max=0.021594 Jy/beam ! Clean residual mean=0.000031 rms=0.002419 Jy/beam ! Combined flux in latest and established models = 0.692138 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 0.692138 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130500Jy sigma=0.001508 ! Fit after self-cal, rms=0.130204Jy sigma=0.001505 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0267625 Jy ! Total flux subtracted in 50 components = 0.0267625 Jy ! Clean residual min=-0.010077 max=0.013551 Jy/beam ! Clean residual mean=0.000020 rms=0.002222 Jy/beam ! Combined flux in latest and established models = 0.7189 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 13 components and 0.7189 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125253Jy sigma=0.001422 ! Fit after self-cal, rms=0.125105Jy sigma=0.001421 ! 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=2.54 mas, bmaj=3.416 mas, bpa=-5.677 degrees ! Estimated noise=589.959 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 = 0.0246389 Jy ! Component: 100 - total flux cleaned = 0.0387281 Jy ! Total flux subtracted in 100 components = 0.0387281 Jy ! Clean residual min=-0.008952 max=0.009445 Jy/beam ! Clean residual mean=-0.000036 rms=0.002082 Jy/beam ! Combined flux in latest and established models = 0.757628 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 31 components and 0.757628 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.121288Jy sigma=0.001353 ! Fit after self-cal, rms=0.121083Jy sigma=0.001351 ! 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 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.10 GC 0.97 HH 1.00* ! HN 1.00 KK 1.10 KP 0.96 LA 0.99 ! MC 1.04 MK 1.03 NL 0.95 NY 1.01 ! ON 1.06 OV 0.96 PT 1.03 SC 0.94 ! WF 1.09 WZ 0.98 ! ! ! Correcting IF 2. ! A total of 33 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.05 GC 0.97 HH 1.00* ! HN 1.00 KK 1.11 KP 1.03 LA 0.99 ! MC 1.03 MK 1.03 NL 0.97 NY 0.97 ! ON 1.07 OV 0.93 PT 0.97 SC 1.01 ! WF 1.07 WZ 0.95 ! ! ! Correcting IF 3. ! A total of 45 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.04 GC 0.95 HH 1.00* ! HN 1.08 KK 1.09 KP 0.98 LA 0.95 ! MC 1.21 MK 0.93 NL 0.96 NY 1.01 ! ON 1.06 OV 0.93 PT 0.98 SC 1.08 ! WF 1.09 WZ 0.92 ! ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.96 GC 1.00 HH 1.00* ! HN 1.06 KK 1.08 KP 1.00 LA 1.00* ! MC 1.32 MK 0.92 NL 0.96 NY 1.01 ! ON 1.15 OV 0.83 PT 0.96 SC 1.08 ! WF 1.14 WZ 0.89 ! ! ! Fit before self-cal, rms=0.121083Jy sigma=0.001351 ! Fit after self-cal, rms=0.108020Jy sigma=0.001155 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.548 mas, bmaj=3.432 mas, bpa=-5.715 degrees ! Estimated noise=586.962 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 (5.6, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00754854 Jy ! Component: 100 - total flux cleaned = 0.0107542 Jy ! Total flux subtracted in 100 components = 0.0107542 Jy ! Clean residual min=-0.003995 max=0.004897 Jy/beam ! Clean residual mean=0.000083 rms=0.000981 Jy/beam ! Combined flux in latest and established models = 0.768382 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 44 components and 0.768382 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.107482Jy sigma=0.001148 ! Fit after self-cal, rms=0.107467Jy sigma=0.001148 ! 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 (84.4, 70.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00367809 Jy ! Component: 100 - total flux cleaned = 0.00502337 Jy ! Total flux subtracted in 100 components = 0.00502337 Jy ! Clean residual min=-0.004049 max=0.004367 Jy/beam ! Clean residual mean=0.000070 rms=0.000965 Jy/beam ! Combined flux in latest and established models = 0.773406 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 50 components and 0.773406 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.107207Jy sigma=0.001145 ! Fit after self-cal, rms=0.101449Jy sigma=0.001082 ! Inverting map and beam ! Estimated beam: bmin=2.534 mas, bmaj=3.446 mas, bpa=-5.901 degrees ! Estimated noise=587.742 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 = 0.0036324 Jy ! Component: 100 - total flux cleaned = 0.00392072 Jy ! Total flux subtracted in 100 components = 0.00392072 Jy ! Clean residual min=-0.002923 max=0.003023 Jy/beam ! Clean residual mean=0.000080 rms=0.000707 Jy/beam ! Combined flux in latest and established models = 0.777326 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 57 components and 0.777326 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.101288Jy sigma=0.001080 ! Fit after self-cal, rms=0.101284Jy sigma=0.001080 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0642+449_S ! Writing UV FITS file: 0642+449_S.uvf ! Writing 57 model components to file: 0642+449_S.mod ! wwins: Wrote 4 windows to 0642+449_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.534 x 3.446 at -5.901 degrees (North through East) ! Clean map min=-0.0026879 max=0.68492 Jy/beam ! Writing clean map to FITS file: 0642+449_S.fits ! Writing difmap environment to: 0642+449_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0642+449_S] device 0642+449_Suv.ps/vps,1,2 ! Attempting to open device: '0642+449_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0642+449_Sim.ps/vps ! Attempting to open device: '0642+449_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=2.534 mas, bmaj=3.446 mas, bpa=-5.901 degrees ! Estimated noise=587.742 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.534 x 3.446 at -5.901 degrees (North through East) ! Clean map min=-0.0026879 max=0.68492 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 0642+449_S.log closed on Tue Apr 15 19:42:50 2008