! Started logfile: 2234+282_S.log on Wed May 7 16:14:55 2008 observe 2234+282_S.edt ! Reading UV FITS file: 2234+282_S.edt ! AN table 1: 46 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0934925 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 2234+282 ! ! 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 2632 visibilities. ![@gonzo7-0.4 2234+282_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 687 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 692 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 692 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 702 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.206489Jy sigma=0.002201 ! Fit after self-cal, rms=0.205255Jy sigma=0.002201 ! 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=1.879 mas, bmaj=3.304 mas, bpa=-13.03 degrees ! Estimated noise=2948.69 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 = 0.746483 Jy ! Total flux subtracted in 50 components = 0.746483 Jy ! Clean residual min=-0.064736 max=0.208183 Jy/beam ! Clean residual mean=0.000496 rms=0.022033 Jy/beam ! Combined flux in latest and established models = 0.746483 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 0.746483 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.327060Jy sigma=0.003546 ! Fit after self-cal, rms=0.327060Jy sigma=0.003546 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.170154 Jy ! Total flux subtracted in 50 components = 0.170154 Jy ! Clean residual min=-0.051476 max=0.078757 Jy/beam ! Clean residual mean=0.000142 rms=0.015045 Jy/beam ! Combined flux in latest and established models = 0.916637 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 6 components and 0.916637 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223521Jy sigma=0.002379 ! Fit after self-cal, rms=0.223457Jy sigma=0.002378 ! 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=2.106 mas, bmaj=3.997 mas, bpa=-11.42 degrees ! Estimated noise=1802.03 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 = 0.0974474 Jy ! Component: 100 - total flux cleaned = 0.144742 Jy ! Total flux subtracted in 100 components = 0.144742 Jy ! Clean residual min=-0.051149 max=0.048626 Jy/beam ! Clean residual mean=-0.000529 rms=0.011221 Jy/beam ! Combined flux in latest and established models = 1.06138 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 18 components and 1.06138 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183359Jy sigma=0.001901 ! Fit after self-cal, rms=0.183246Jy sigma=0.001900 ! 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 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00* GC 1.00* HH 1.00* ! HN 0.94 KK 1.00* KP 1.00* LA 0.97 ! MC 0.96 MK 1.00* NL 0.91 NY 0.97 ! ON 1.02 OV 1.00* PT 1.00* SC 0.92 ! WF 1.08 WZ 0.87 ! ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00* GC 1.00* HH 1.00* ! HN 0.95 KK 1.00* KP 1.00* LA 0.98 ! MC 1.17 MK 1.00* NL 0.94 NY 0.96 ! ON 0.98 OV 1.00* PT 1.00* SC 1.01 ! WF 1.05 WZ 0.84 ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00* GC 1.00* HH 1.00* ! HN 1.08 KK 1.00* KP 1.00* LA 0.96 ! MC 1.41 MK 1.00* NL 0.95 NY 0.99 ! ON 1.03 OV 1.00* PT 1.00* SC 1.10 ! WF 1.07 WZ 0.81 ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00* GC 1.00* HH 1.00* ! HN 1.07 KK 1.00* KP 1.00* LA 1.00* ! MC 1.76 MK 1.00* NL 0.96 NY 1.00 ! ON 1.11 OV 0.82 PT 1.00* SC 1.12 ! WF 1.11 WZ 0.79 ! ! ! Fit before self-cal, rms=0.183246Jy sigma=0.001900 ! Fit after self-cal, rms=0.121640Jy sigma=0.001091 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.097 mas, bmaj=4.396 mas, bpa=-11.01 degrees ! Estimated noise=1792.24 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 = 0.0131244 Jy ! Component: 100 - total flux cleaned = 0.0187771 Jy ! Total flux subtracted in 100 components = 0.0187771 Jy ! Clean residual min=-0.009470 max=0.010712 Jy/beam ! Clean residual mean=-0.000111 rms=0.002580 Jy/beam ! Combined flux in latest and established models = 1.08016 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 29 components and 1.08016 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.119961Jy sigma=0.001078 ! Fit after self-cal, rms=0.119932Jy sigma=0.001078 ! 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 = 0.00204343 Jy ! Component: 100 - total flux cleaned = 0.00267505 Jy ! Total flux subtracted in 100 components = 0.00267505 Jy ! Clean residual min=-0.009279 max=0.010412 Jy/beam ! Clean residual mean=-0.000145 rms=0.002566 Jy/beam ! Combined flux in latest and established models = 1.08283 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 31 components and 1.08283 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.119714Jy sigma=0.001077 ! Fit after self-cal, rms=0.110713Jy sigma=0.001023 ! Inverting map and beam ! Estimated beam: bmin=2.091 mas, bmaj=4.399 mas, bpa=-11.02 degrees ! Estimated noise=1793.78 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 = 0.00455766 Jy ! Component: 100 - total flux cleaned = 0.00538859 Jy ! Total flux subtracted in 100 components = 0.00538859 Jy ! Clean residual min=-0.008067 max=0.007859 Jy/beam ! Clean residual mean=-0.000041 rms=0.001930 Jy/beam ! Combined flux in latest and established models = 1.08822 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 35 components and 1.08822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.110467Jy sigma=0.001021 ! Fit after self-cal, rms=0.110452Jy sigma=0.001021 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 2234+282_S ! Writing UV FITS file: 2234+282_S.uvf ! Writing 35 model components to file: 2234+282_S.mod ! wwins: Wrote 1 windows to 2234+282_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.091 x 4.399 at -11.02 degrees (North through East) ! Clean map min=-0.007508 max=0.98177 Jy/beam ! Writing clean map to FITS file: 2234+282_S.fits ! Writing difmap environment to: 2234+282_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 2234+282_S] device 2234+282_Suv.ps/vps,1,2 ! Attempting to open device: '2234+282_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 2234+282_Sim.ps/vps ! Attempting to open device: '2234+282_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=2.091 mas, bmaj=4.399 mas, bpa=-11.02 degrees ! Estimated noise=1793.78 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.091 x 4.399 at -11.02 degrees (North through East) ! Clean map min=-0.007508 max=0.98177 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 2234+282_S.log closed on Wed May 7 16:14:59 2008