! Started logfile: 2052-474_S.log on Thu Mar 19 23:04:27 2009 observe 2052-474_S.edt ! Reading UV FITS file: 2052-474_S.edt ! AN table 1: 8 integrations on 190 of 190 possible baselines. ! AN table 2: 22 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0266667 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 2052-474 ! ! 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 1477 lines of history. ! ! Reading 608 visibilities. ![@gonzo7-0.4-pw 2052-474_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 160 telescope corrections were flagged in sub-array 1. ! A total of 409 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 160 telescope corrections were flagged in sub-array 1. ! A total of 409 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 160 telescope corrections were flagged in sub-array 1. ! A total of 409 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 160 telescope corrections were flagged in sub-array 1. ! A total of 409 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.574722Jy sigma=5.130568 ! Fit after self-cal, rms=0.532349Jy sigma=4.427810 ! 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 peakw win_mult ! Inverting map and beam ! Estimated beam: bmin=2.836 mas, bmaj=14.9 mas, bpa=-12.75 degrees ! Estimated noise=9.98898 mJy/beam. ! Added new window around map position (0, 0). 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=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.438747 Jy ! Total flux subtracted in 50 components = 0.438747 Jy ! Clean residual min=-0.097258 max=0.122417 Jy/beam ! Clean residual mean=0.001331 rms=0.037348 Jy/beam ! Combined flux in latest and established models = 0.438747 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.438747 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276395Jy sigma=2.188968 ! Fit after self-cal, rms=0.276392Jy sigma=2.188947 ! 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=3.954 mas, bmaj=19.94 mas, bpa=-9.939 degrees ! Estimated noise=6.60698 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 = 0.0920182 Jy ! Component: 100 - total flux cleaned = 0.111984 Jy ! Total flux subtracted in 100 components = 0.111984 Jy ! Clean residual min=-0.107341 max=0.102172 Jy/beam ! Clean residual mean=0.002526 rms=0.039031 Jy/beam ! Combined flux in latest and established models = 0.55073 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.55073 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.258878Jy sigma=1.885211 ! Fit after self-cal, rms=0.258900Jy sigma=1.884939 ! 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 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 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 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.22 LA 1.72 ! MA 1.00* MC 1.00* MK 0.97 NL 1.00* ! NY 1.00* ON 1.00* OV 0.83 PT 0.70 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! 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* ! MA 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 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.29 LA 1.85 ! MA 1.00* MC 1.00* MK 0.97 NL 1.00* ! NY 1.00* ON 1.00* OV 0.73 PT 0.82 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! 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* ! MA 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 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.39 LA 1.63 ! MA 1.00* MC 1.00* MK 1.08 NL 1.00* ! NY 1.00* ON 1.00* OV 0.86 PT 0.71 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! 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* ! MA 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 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.36 LA 1.40 ! MA 1.00* MC 1.00* MK 1.02 NL 1.00* ! NY 1.00* ON 1.00* OV 0.81 PT 0.73 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.258900Jy sigma=1.884939 ! Fit after self-cal, rms=0.226212Jy sigma=1.076498 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.576 mas, bmaj=38.63 mas, bpa=-19.04 degrees ! Estimated noise=7.86022 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 = -0.00558553 Jy ! Component: 100 - total flux cleaned = -0.00557775 Jy ! Total flux subtracted in 100 components = -0.00557775 Jy ! Clean residual min=-0.018624 max=0.025782 Jy/beam ! Clean residual mean=-0.000386 rms=0.007506 Jy/beam ! Combined flux in latest and established models = 0.545152 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 3 model components to the UV plane model. ! The established model now contains 18 components and 0.545152 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225593Jy sigma=1.074106 ! Fit after self-cal, rms=0.226013Jy sigma=1.068065 ! 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 = -0.000570107 Jy ! Component: 100 - total flux cleaned = -0.000713493 Jy ! Total flux subtracted in 100 components = -0.000713494 Jy ! Clean residual min=-0.018784 max=0.024466 Jy/beam ! Clean residual mean=-0.000364 rms=0.007327 Jy/beam ! Combined flux in latest and established models = 0.544439 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 23 components and 0.544439 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225779Jy sigma=1.066484 ! Fit after self-cal, rms=0.224984Jy sigma=1.051833 ! Inverting map and beam ! Estimated beam: bmin=4.593 mas, bmaj=38.65 mas, bpa=-19.03 degrees ! Estimated noise=7.82391 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 = -0.00397792 Jy ! Component: 100 - total flux cleaned = -0.00423232 Jy ! Total flux subtracted in 100 components = -0.00423232 Jy ! Clean residual min=-0.018243 max=0.024063 Jy/beam ! Clean residual mean=-0.000494 rms=0.007182 Jy/beam ! Combined flux in latest and established models = 0.540206 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 24 components and 0.540206 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.224676Jy sigma=1.051385 ! Fit after self-cal, rms=0.224923Jy sigma=1.050307 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 2052-474_S ! Writing UV FITS file: 2052-474_S.uvf ! Writing 24 model components to file: 2052-474_S.mod ! wwins: Wrote 1 windows to 2052-474_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.593 x 38.65 at -19.03 degrees (North through East) ! Clean map min=-0.018598 max=0.54742 Jy/beam ! Writing clean map to FITS file: 2052-474_S.fits ! Writing difmap environment to: 2052-474_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 2052-474_S] device 2052-474_Suv.ps/vps,1,2 ! Attempting to open device: '2052-474_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 2052-474_Sim.ps/vps ! Attempting to open device: '2052-474_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=4.593 mas, bmaj=38.65 mas, bpa=-19.03 degrees ! Estimated noise=7.82391 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.593 x 38.65 at -19.03 degrees (North through East) ! Clean map min=-0.018598 max=0.54742 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4-pw] quit ! Quitting program ! Log file 2052-474_S.log closed on Thu Mar 19 23:04:32 2009