! Started logfile: 1451-375_S.log on Sat Feb 3 14:33:33 2007 observe 1451-375_S.edt ! Reading UV FITS file: 1451-375_S.edt ! AN table 1: 6 integrations on 153 of 153 possible baselines. ! AN table 2: 11 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.029604 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1451-375 ! ! 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 2.22997e+09 8e+06 1 8e+06 ! 02 2 2.25997e+09 8e+06 1 8e+06 ! 03 3 2.34997e+09 8e+06 1 8e+06 ! 04 4 2.36997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1912 lines of history. ! ! Reading 308 visibilities. ![@gonzo7-0.4-pw 1451-375_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 84 telescope corrections were flagged in sub-array 1. ! A total of 198 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 82 telescope corrections were flagged in sub-array 1. ! A total of 198 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 82 telescope corrections were flagged in sub-array 1. ! A total of 198 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 104 telescope corrections were flagged in sub-array 1. ! A total of 198 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.244934Jy sigma=0.002997 ! Fit after self-cal, rms=0.250823Jy sigma=0.003082 ! 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=3.213 mas, bmaj=26.41 mas, bpa=4.353 degrees ! Estimated noise=5897.03 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 = 0.58183 Jy ! Total flux subtracted in 50 components = 0.58183 Jy ! Clean residual min=-0.067799 max=0.162261 Jy/beam ! Clean residual mean=0.000738 rms=0.033834 Jy/beam ! Combined flux in latest and established models = 0.58183 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 0.58183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.242094Jy sigma=0.002681 ! Fit after self-cal, rms=0.242094Jy sigma=0.002681 ! 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=3.763 mas, bmaj=28.19 mas, bpa=4.115 degrees ! Estimated noise=5068.85 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 = 0.167738 Jy ! Component: 100 - total flux cleaned = 0.231134 Jy ! Total flux subtracted in 100 components = 0.231135 Jy ! Clean residual min=-0.021245 max=0.030498 Jy/beam ! Clean residual mean=0.000752 rms=0.010647 Jy/beam ! Combined flux in latest and established models = 0.812964 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 29 components and 0.812964 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097483Jy sigma=0.001104 ! Fit after self-cal, rms=0.097334Jy sigma=0.001102 ! 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: ! FD 1.03 GC 1.00* HH 1.00* HN 1.00* ! LA 1.06 MC 1.00* MK 0.99 NY 1.00* ! ON 1.00* OV 1.00 PT 0.95 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 1.00* ! KP 0.92 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* GC 0.00* HH 0.00* HN 0.00* ! LA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* BR 0.00* KK 0.00* ! KP 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 GC 1.00* HH 1.00* HN 1.00* ! LA 1.00 MC 1.00* MK 1.06 NY 1.00* ! ON 1.00* OV 1.05 PT 0.96 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 1.00* ! KP 0.93 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* GC 0.00* HH 0.00* HN 0.00* ! LA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* BR 0.00* KK 0.00* ! KP 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.92 GC 1.00* HH 1.00* HN 1.00* ! LA 0.93 MC 1.00* MK 1.01 NY 1.00* ! ON 1.00* OV 1.07 PT 0.94 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 1.00* ! KP 0.97 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* GC 0.00* HH 0.00* HN 0.00* ! LA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* BR 0.00* KK 0.00* ! KP 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00* GC 1.00* HH 1.00* HN 1.00* ! LA 0.81 MC 1.00* MK 1.05 NY 1.00* ! ON 1.00* OV 0.86 PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 1.00* ! KP 1.07 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* GC 0.00* HH 0.00* HN 0.00* ! LA 0.00* MC 0.00* MK 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* BR 0.00* KK 0.00* ! KP 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.097334Jy sigma=0.001102 ! Fit after self-cal, rms=0.075896Jy sigma=0.000885 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.731 mas, bmaj=28.27 mas, bpa=4.133 degrees ! Estimated noise=5027.23 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 = 0.00292587 Jy ! Component: 100 - total flux cleaned = 0.00506865 Jy ! Total flux subtracted in 100 components = 0.00506865 Jy ! Clean residual min=-0.009842 max=0.009182 Jy/beam ! Clean residual mean=0.000931 rms=0.002806 Jy/beam ! Combined flux in latest and established models = 0.818033 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 44 components and 0.818033 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074678Jy sigma=0.000871 ! Fit after self-cal, rms=0.074598Jy sigma=0.000869 ! 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 = -6.5341e-07 Jy ! Component: 100 - total flux cleaned = 0.00110958 Jy ! Total flux subtracted in 100 components = 0.00110958 Jy ! Clean residual min=-0.007872 max=0.008938 Jy/beam ! Clean residual mean=0.000922 rms=0.002526 Jy/beam ! Combined flux in latest and established models = 0.819142 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 54 components and 0.819143 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074281Jy sigma=0.000865 ! Fit after self-cal, rms=0.073534Jy sigma=0.000856 ! Inverting map and beam ! Estimated beam: bmin=3.723 mas, bmaj=28.28 mas, bpa=4.138 degrees ! Estimated noise=5011.99 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 = 0.00087972 Jy ! Component: 100 - total flux cleaned = 0.00181686 Jy ! Total flux subtracted in 100 components = 0.00181686 Jy ! Clean residual min=-0.006206 max=0.009182 Jy/beam ! Clean residual mean=0.000864 rms=0.002376 Jy/beam ! Combined flux in latest and established models = 0.820959 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 61 components and 0.82096 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073338Jy sigma=0.000854 ! Fit after self-cal, rms=0.073318Jy sigma=0.000854 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1451-375_S ! Writing UV FITS file: 1451-375_S.uvf ! Writing 61 model components to file: 1451-375_S.mod ! wwins: Wrote 1 windows to 1451-375_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.723 x 28.28 at 4.138 degrees (North through East) ! Clean map min=-0.0055899 max=0.7472 Jy/beam ! Writing clean map to FITS file: 1451-375_S.fits ! Writing difmap environment to: 1451-375_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1451-375_S] device 1451-375_Suv.ps/vps,1,2 ! Attempting to open device: '1451-375_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1451-375_Sim.ps/vps ! Attempting to open device: '1451-375_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=3.723 mas, bmaj=28.28 mas, bpa=4.138 degrees ! Estimated noise=5011.99 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.723 x 28.28 at 4.138 degrees (North through East) ! Clean map min=-0.0055899 max=0.7472 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4-pw] quit ! Quitting program ! Log file 1451-375_S.log closed on Sat Feb 3 14:33:42 2007