! Started logfile: 1300+580_S.log on Mon Jun 23 16:23:57 2008 observe 1300+580_S.edt2 ! Reading UV FITS file: 1300+580_S.edt2 ! AN table 1: 51 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.145511 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1300+580 ! ! 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 1905 lines of history. ! ! Reading 5640 visibilities. ![@gonzo8-0.4 1300+580_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 = 8.0 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 778 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 778 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 778 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 778 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.671849Jy sigma=10.227499 ! Fit after self-cal, rms=0.671325Jy sigma=10.229690 ! 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=1.866 mas, bmaj=2.789 mas, bpa=-22.22 degrees ! Estimated noise=1.35378 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 = 0.259682 Jy ! Total flux subtracted in 50 components = 0.259682 Jy ! Clean residual min=-0.019326 max=0.072427 Jy/beam ! Clean residual mean=-0.000084 rms=0.005558 Jy/beam ! Combined flux in latest and established models = 0.259682 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 0.259682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163777Jy sigma=2.277080 ! Fit after self-cal, rms=0.163777Jy sigma=2.277078 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0594855 Jy ! Total flux subtracted in 50 components = 0.0594855 Jy ! Clean residual min=-0.012007 max=0.025348 Jy/beam ! Clean residual mean=-0.000052 rms=0.003450 Jy/beam ! Combined flux in latest and established models = 0.319168 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 0.319168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142250Jy sigma=1.808144 ! Fit after self-cal, rms=0.142246Jy sigma=1.808130 ! 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=2.226 mas, bmaj=3.039 mas, bpa=-21.21 degrees ! Estimated noise=0.832197 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 = 0.0372554 Jy ! Component: 100 - total flux cleaned = 0.0580615 Jy ! Total flux subtracted in 100 components = 0.0580615 Jy ! Clean residual min=-0.014665 max=0.020033 Jy/beam ! Clean residual mean=-0.000057 rms=0.003289 Jy/beam ! Combined flux in latest and established models = 0.377229 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 19 components and 0.377229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.134012Jy sigma=1.600173 ! Fit after self-cal, rms=0.133991Jy sigma=1.599365 ! 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 1.01 FD 0.89 GC 0.89 HH 1.00* ! HN 1.33 KK 1.00* KP 0.65 LA 0.88 ! MA 1.00* MC 1.00* MK 0.91 NL 0.87 ! NY 1.13 ON 1.00* OV 0.96 PT 1.10 ! SC 1.00* TS 1.06 WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.93 GC 0.96 HH 1.00* ! HN 1.08 KK 1.00* KP 0.98 LA 0.85 ! MA 1.00* MC 1.00* MK 0.96 NL 1.11 ! NY 1.10 ON 1.00* OV 0.78 PT 0.94 ! SC 1.00* TS 0.99 WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 GC 1.04 HH 1.00* ! HN 1.10 KK 1.00* KP 1.12 LA 0.73 ! MA 1.00* MC 1.00* MK 0.95 NL 1.18 ! NY 1.14 ON 1.00* OV 0.88 PT 0.94 ! SC 1.00* TS 1.00 WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.05 GC 0.98 HH 1.00* ! HN 1.00 KK 1.00* KP 0.96 LA 1.09 ! MA 1.00* MC 1.00* MK 0.96 NL 0.81 ! NY 1.02 ON 1.00* OV 0.79 PT 1.12 ! SC 1.00* TS 1.00 WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.133991Jy sigma=1.599365 ! Fit after self-cal, rms=0.120279Jy sigma=1.298163 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.269 mas, bmaj=3.109 mas, bpa=-20.88 degrees ! Estimated noise=0.801367 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 (6.4, 7.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0078361 Jy ! Component: 100 - total flux cleaned = 0.00825831 Jy ! Total flux subtracted in 100 components = 0.00825831 Jy ! Clean residual min=-0.005297 max=0.006501 Jy/beam ! Clean residual mean=0.000008 rms=0.001318 Jy/beam ! Combined flux in latest and established models = 0.385488 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 32 components and 0.385488 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.119162Jy sigma=1.285216 ! Fit after self-cal, rms=0.119165Jy sigma=1.283437 ! 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 = 0.00122392 Jy ! Component: 100 - total flux cleaned = 0.00195054 Jy ! Total flux subtracted in 100 components = 0.00195054 Jy ! Clean residual min=-0.004990 max=0.005940 Jy/beam ! Clean residual mean=0.000011 rms=0.001263 Jy/beam ! Combined flux in latest and established models = 0.387438 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 40 components and 0.387438 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.118854Jy sigma=1.281466 ! Fit after self-cal, rms=0.120818Jy sigma=1.233028 ! Inverting map and beam ! Estimated beam: bmin=2.264 mas, bmaj=3.115 mas, bpa=-20.9 degrees ! Estimated noise=0.797928 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 = -0.00174561 Jy ! Component: 100 - total flux cleaned = -0.0012275 Jy ! Total flux subtracted in 100 components = -0.0012275 Jy ! Clean residual min=-0.004268 max=0.004803 Jy/beam ! Clean residual mean=0.000016 rms=0.001085 Jy/beam ! Combined flux in latest and established models = 0.386211 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 43 components and 0.386211 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.120597Jy sigma=1.232135 ! Fit after self-cal, rms=0.120613Jy sigma=1.231844 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1300+580_S ! Writing UV FITS file: 1300+580_S.uvf ! Writing 43 model components to file: 1300+580_S.mod ! wwins: Wrote 2 windows to 1300+580_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.264 x 3.115 at -20.9 degrees (North through East) ! Clean map min=-0.0040362 max=0.32949 Jy/beam ! Writing clean map to FITS file: 1300+580_S.fits ! Writing difmap environment to: 1300+580_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1300+580_S] device 1300+580_Suv.ps/vps,1,2 ! Attempting to open device: '1300+580_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1300+580_Sim.ps/vps ! Attempting to open device: '1300+580_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=2.264 mas, bmaj=3.115 mas, bpa=-20.9 degrees ! Estimated noise=0.797928 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.264 x 3.115 at -20.9 degrees (North through East) ! Clean map min=-0.0040362 max=0.32949 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.4] quit ! Quitting program ! Log file 1300+580_S.log closed on Mon Jun 23 16:24:06 2008