! Started logfile: 1751+288_S.log on Tue Jun 24 11:38:48 2008 observe 1751+288_S.edt ! Reading UV FITS file: 1751+288_S.edt ! AN table 1: 47 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.26271 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1751+288 ! ! 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 1901 lines of history. ! ! Reading 9384 visibilities. ![@gonzo6-0.4 1751+288_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 574 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 565 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 565 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 568 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.776404Jy sigma=12.481418 ! Fit after self-cal, rms=0.775313Jy sigma=12.485100 ! 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=1.954 mas, bmaj=3.694 mas, bpa=1.929 degrees ! Estimated noise=1.03053 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 = 0.174752 Jy ! Total flux subtracted in 50 components = 0.174752 Jy ! Clean residual min=-0.012565 max=0.048746 Jy/beam ! Clean residual mean=-0.000000 rms=0.003396 Jy/beam ! Combined flux in latest and established models = 0.174752 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 0.174752 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154160Jy sigma=1.700352 ! Fit after self-cal, rms=0.154162Jy sigma=1.700350 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0413076 Jy ! Total flux subtracted in 50 components = 0.0413076 Jy ! Clean residual min=-0.010233 max=0.016384 Jy/beam ! Clean residual mean=-0.000004 rms=0.002303 Jy/beam ! Combined flux in latest and established models = 0.21606 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 0.21606 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142480Jy sigma=1.465386 ! Fit after self-cal, rms=0.142455Jy sigma=1.465289 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.017389 Jy ! Total flux subtracted in 50 components = 0.017389 Jy ! Clean residual min=-0.009838 max=0.009556 Jy/beam ! Clean residual mean=-0.000005 rms=0.002095 Jy/beam ! Combined flux in latest and established models = 0.233449 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 7 components and 0.233449 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140135Jy sigma=1.422069 ! Fit after self-cal, rms=0.140110Jy sigma=1.421915 ! 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=2.358 mas, bmaj=4.155 mas, bpa=-0.475 degrees ! Estimated noise=0.599998 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 = 0.01006 Jy ! Component: 100 - total flux cleaned = 0.0116013 Jy ! Total flux subtracted in 100 components = 0.0116013 Jy ! Clean residual min=-0.008283 max=0.009715 Jy/beam ! Clean residual mean=0.000084 rms=0.001997 Jy/beam ! Combined flux in latest and established models = 0.24505 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 16 components and 0.24505 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139048Jy sigma=1.410247 ! Fit after self-cal, rms=0.139032Jy sigma=1.409834 ! 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 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.06 GC 1.07 HH 1.00* ! HN 0.74 KK 0.94 KP 1.06 LA 0.96 ! MA 1.00* MC 1.00* MK 0.98 NL 0.99 ! NY 0.87 ON 1.00* OV 1.08 PT 0.93 ! SC 0.90 TS 1.03 WF 0.90 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 1.01 FD 1.07 GC 0.98 HH 1.00* ! HN 0.81 KK 1.06 KP 1.03 LA 0.87 ! MA 1.00* MC 1.00* MK 1.13 NL 1.01 ! NY 0.94 ON 1.00* OV 1.11 PT 0.98 ! SC 0.79 TS 1.02 WF 0.84 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.07 GC 1.08 HH 1.00* ! HN 0.94 KK 0.82 KP 1.31 LA 0.83 ! MA 1.00* MC 1.00* MK 0.72 NL 0.97 ! NY 0.91 ON 1.00* OV 1.12 PT 0.96 ! SC 1.06 TS 1.03 WF 0.92 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.08 GC 1.11 HH 1.00* ! HN 1.00 KK 0.95 KP 1.09 LA 0.83 ! MA 1.00* MC 1.00* MK 0.81 NL 1.00 ! NY 1.01 ON 1.00* OV 1.07 PT 0.98 ! SC 1.11 TS 1.09 WF 0.91 WZ 1.00* ! ! ! Fit before self-cal, rms=0.139032Jy sigma=1.409834 ! Fit after self-cal, rms=0.123472Jy sigma=1.315444 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.368 mas, bmaj=4.086 mas, bpa=-1.868 degrees ! Estimated noise=0.587335 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 (2, 2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00573062 Jy ! Component: 100 - total flux cleaned = 0.00701526 Jy ! Total flux subtracted in 100 components = 0.00701526 Jy ! Clean residual min=-0.004111 max=0.004760 Jy/beam ! Clean residual mean=0.000011 rms=0.001112 Jy/beam ! Combined flux in latest and established models = 0.252065 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 28 components and 0.252065 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122996Jy sigma=1.310761 ! Fit after self-cal, rms=0.122932Jy sigma=1.309877 ! 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 (-14.4, -28). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00466225 Jy ! Component: 100 - total flux cleaned = 0.00651673 Jy ! Total flux subtracted in 100 components = 0.00651673 Jy ! Clean residual min=-0.003905 max=0.003990 Jy/beam ! Clean residual mean=-0.000003 rms=0.001013 Jy/beam ! Combined flux in latest and established models = 0.258582 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 38 components and 0.258582 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122697Jy sigma=1.305975 ! Fit after self-cal, rms=0.122819Jy sigma=1.269429 ! Inverting map and beam ! Estimated beam: bmin=2.358 mas, bmaj=4.077 mas, bpa=-1.845 degrees ! Estimated noise=0.588751 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 (12.4, 8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00423421 Jy ! Component: 100 - total flux cleaned = 0.00708924 Jy ! Total flux subtracted in 100 components = 0.00708924 Jy ! Clean residual min=-0.003417 max=0.003608 Jy/beam ! Clean residual mean=-0.000020 rms=0.000855 Jy/beam ! Combined flux in latest and established models = 0.265671 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 53 components and 0.265671 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122634Jy sigma=1.266678 ! Fit after self-cal, rms=0.122612Jy sigma=1.266382 ! Inverting map ! Added new window around map position (-60, 7.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00276161 Jy ! Component: 100 - total flux cleaned = 0.00390734 Jy ! Total flux subtracted in 100 components = 0.00390734 Jy ! Clean residual min=-0.003185 max=0.003235 Jy/beam ! Clean residual mean=-0.000023 rms=0.000813 Jy/beam ! Combined flux in latest and established models = 0.269579 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 65 components and 0.269579 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122492Jy sigma=1.264864 ! Fit after self-cal, rms=0.122477Jy sigma=1.264762 ! Inverting map ! Added new window around map position (-31.2, -69.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00269287 Jy ! Component: 100 - total flux cleaned = 0.00343623 Jy ! Total flux subtracted in 100 components = 0.00343623 Jy ! Clean residual min=-0.002996 max=0.002963 Jy/beam ! Clean residual mean=-0.000037 rms=0.000768 Jy/beam ! Combined flux in latest and established models = 0.273015 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 78 components and 0.273015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122375Jy sigma=1.263841 ! Fit after self-cal, rms=0.122365Jy sigma=1.263754 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1751+288_S ! Writing UV FITS file: 1751+288_S.uvf ! Writing 78 model components to file: 1751+288_S.mod ! wwins: Wrote 6 windows to 1751+288_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.358 x 4.077 at -1.845 degrees (North through East) ! Clean map min=-0.0028664 max=0.2243 Jy/beam ! Writing clean map to FITS file: 1751+288_S.fits ! Writing difmap environment to: 1751+288_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1751+288_S] device 1751+288_Suv.ps/vps,1,2 ! Attempting to open device: '1751+288_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1751+288_Sim.ps/vps ! Attempting to open device: '1751+288_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=2.358 mas, bmaj=4.077 mas, bpa=-1.845 degrees ! Estimated noise=0.588751 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.358 x 4.077 at -1.845 degrees (North through East) ! Clean map min=-0.0028664 max=0.2243 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.4] quit ! Quitting program ! Log file 1751+288_S.log closed on Tue Jun 24 11:38:59 2008