! Started logfile: 0457+024_X.log on Wed May 14 12:19:51 2008 observe 0457+024_X.edt ! Reading UV FITS file: 0457+024_X.edt ! AN table 1: 37 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.416181 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0457+024 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 970 lines of history. ! ! Reading 9424 visibilities. ![@gonzo8-0.1 0457+024_X] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.1 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 0.100x0.100 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 339 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 318 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 371 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 371 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.767979Jy sigma=0.020237 ! Fit after self-cal, rms=0.767266Jy sigma=0.020255 ! 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=0.4462 mas, bmaj=2.436 mas, bpa=-7.437 degrees ! Estimated noise=1263.97 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 = 0.135903 Jy ! Total flux subtracted in 50 components = 0.135903 Jy ! Clean residual min=-0.016028 max=0.053960 Jy/beam ! Clean residual mean=-0.000021 rms=0.007379 Jy/beam ! Combined flux in latest and established models = 0.135903 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.135903 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157487Jy sigma=0.004328 ! Fit after self-cal, rms=0.157361Jy sigma=0.004326 ! 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=0.6715 mas, bmaj=3.351 mas, bpa=-5.675 degrees ! Estimated noise=486.458 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 = 0.1129 Jy ! Component: 100 - total flux cleaned = 0.163282 Jy ! Total flux subtracted in 100 components = 0.163282 Jy ! Clean residual min=-0.013489 max=0.033521 Jy/beam ! Clean residual mean=-0.000013 rms=0.005902 Jy/beam ! Combined flux in latest and established models = 0.299185 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 40 components and 0.299185 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065566Jy sigma=0.001630 ! Fit after self-cal, rms=0.065199Jy sigma=0.001625 ! 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 0.99 FD 0.94 GC 1.00* HH 1.00* ! HN 1.07 KK 1.00* KP 0.93 LA 0.93 ! MC 0.93 MK 1.00* NL 1.00 NY 0.97 ! ON 0.94 OV 0.92 PT 0.92 SC 0.95 ! WF 0.97 WZ 0.91 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.94 GC 1.00* HH 1.00* ! HN 1.07 KK 1.00* KP 0.93 LA 0.92 ! MC 0.92 MK 1.00* NL 1.02 NY 0.97 ! ON 0.95 OV 0.92 PT 0.92 SC 0.96 ! WF 0.95 WZ 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.94 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 0.93 LA 0.93 ! MC 0.92 MK 1.00* NL 1.01 NY 1.00* ! ON 0.93 OV 0.92 PT 0.92 SC 0.96 ! WF 0.98 WZ 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.94 GC 1.00* HH 1.00* ! HN 1.02 KK 1.00* KP 0.93 LA 0.93 ! MC 0.89 MK 1.00* NL 1.01 NY 1.00* ! ON 0.96 OV 0.93 PT 0.92 SC 0.97 ! WF 0.96 WZ 0.94 ! ! ! Fit before self-cal, rms=0.065199Jy sigma=0.001625 ! Fit after self-cal, rms=0.055412Jy sigma=0.001382 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.664 mas, bmaj=3.368 mas, bpa=-5.698 degrees ! Estimated noise=435.585 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 = 0.00824176 Jy ! Component: 100 - total flux cleaned = 0.00967505 Jy ! Total flux subtracted in 100 components = 0.00967504 Jy ! Clean residual min=-0.009244 max=0.015394 Jy/beam ! Clean residual mean=-0.000021 rms=0.002861 Jy/beam ! Combined flux in latest and established models = 0.30886 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 45 components and 0.30886 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052504Jy sigma=0.001292 ! Fit after self-cal, rms=0.052449Jy sigma=0.001290 ! 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 = 0.00119071 Jy ! Component: 100 - total flux cleaned = 0.00252817 Jy ! Total flux subtracted in 100 components = 0.00252817 Jy ! Clean residual min=-0.008438 max=0.013670 Jy/beam ! Clean residual mean=-0.000024 rms=0.002630 Jy/beam ! Combined flux in latest and established models = 0.311388 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 49 components and 0.311388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051085Jy sigma=0.001246 ! Fit after self-cal, rms=0.049058Jy sigma=0.001220 ! Inverting map and beam ! Estimated beam: bmin=0.6689 mas, bmaj=3.346 mas, bpa=-5.655 degrees ! Estimated noise=436.408 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 (0.8, 2.7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00681217 Jy ! Component: 100 - total flux cleaned = 0.00767623 Jy ! Total flux subtracted in 100 components = 0.00767623 Jy ! Clean residual min=-0.005629 max=0.010686 Jy/beam ! Clean residual mean=-0.000027 rms=0.001809 Jy/beam ! Combined flux in latest and established models = 0.319064 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 59 components and 0.319064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.045704Jy sigma=0.001111 ! Fit after self-cal, rms=0.045568Jy sigma=0.001103 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0457+024_X ! Writing UV FITS file: 0457+024_X.uvf ! Writing 59 model components to file: 0457+024_X.mod ! wwins: Wrote 2 windows to 0457+024_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6689 x 3.346 at -5.655 degrees (North through East) ! Clean map min=-0.0083142 max=0.19328 Jy/beam ! Writing clean map to FITS file: 0457+024_X.fits ! Writing difmap environment to: 0457+024_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0457+024_X] device 0457+024_Xuv.ps/vps,1,2 ! Attempting to open device: '0457+024_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0457+024_Xim.ps/vps ! Attempting to open device: '0457+024_Xim.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=0.6689 mas, bmaj=3.346 mas, bpa=-5.655 degrees ! Estimated noise=436.408 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6689 x 3.346 at -5.655 degrees (North through East) ! Clean map min=-0.0083142 max=0.19328 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 0457+024_X.log closed on Wed May 14 12:19:58 2008