! Started logfile: 2234+282_X.log on Wed May 14 16:21:00 2008 observe 2234+282_X.edt ! Reading UV FITS file: 2234+282_X.edt ! AN table 1: 43 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0986472 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 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 938 lines of history. ! ! Reading 2596 visibilities. ![@gonzo8-0.1 2234+282_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 666 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 640 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 646 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 648 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.313766Jy sigma=0.004046 ! Fit after self-cal, rms=0.310937Jy sigma=0.004049 ! 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=0.4564 mas, bmaj=1.049 mas, bpa=-7.917 degrees ! Estimated noise=2811.07 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 = 0.5558 Jy ! Total flux subtracted in 50 components = 0.5558 Jy ! Clean residual min=-0.056371 max=0.168741 Jy/beam ! Clean residual mean=0.001622 rms=0.023165 Jy/beam ! Combined flux in latest and established models = 0.5558 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 0.5558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.383445Jy sigma=0.005111 ! Fit after self-cal, rms=0.383417Jy sigma=0.005111 ! 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=0.5511 mas, bmaj=1.283 mas, bpa=-6.138 degrees ! Estimated noise=1554.15 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 = 0.281173 Jy ! Component: 100 - total flux cleaned = 0.410981 Jy ! Total flux subtracted in 100 components = 0.410981 Jy ! Clean residual min=-0.022634 max=0.057983 Jy/beam ! Clean residual mean=0.002083 rms=0.011637 Jy/beam ! Combined flux in latest and established models = 0.966781 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 12 components and 0.966781 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129399Jy sigma=0.001646 ! Fit after self-cal, rms=0.129241Jy sigma=0.001645 ! 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 3 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 0.92 KK 1.00* KP 1.00* LA 0.93 ! MC 1.00* MK 1.00* NL 0.90 NY 0.99 ! ON 0.94 OV 1.00* PT 1.00* SC 1.03 ! WF 0.91 WZ 1.05 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00* GC 1.00* HH 1.00* ! HN 0.92 KK 1.00* KP 1.00* LA 0.95 ! MC 0.97 MK 1.00* NL 0.90 NY 0.97 ! ON 0.91 OV 0.95 PT 1.00* SC 1.03 ! WF 0.92 WZ 0.99 ! ! ! Correcting IF 3. ! A total of 9 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 0.94 KK 1.00* KP 1.00* LA 0.97 ! MC 0.99 MK 1.00* NL 0.90 NY 1.02 ! ON 0.93 OV 1.00* PT 1.00* SC 1.07 ! WF 0.97 WZ 1.00 ! ! ! Correcting IF 4. ! A total of 3 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 0.93 KK 1.00* KP 1.00* LA 0.93 ! MC 1.04 MK 1.00* NL 0.94 NY 0.99 ! ON 0.90 OV 1.00* PT 1.00* SC 1.11 ! WF 0.98 WZ 1.01 ! ! ! Fit before self-cal, rms=0.129241Jy sigma=0.001645 ! Fit after self-cal, rms=0.093654Jy sigma=0.001135 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.5539 mas, bmaj=1.349 mas, bpa=-6.08 degrees ! Estimated noise=1448.25 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 (0.5, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0254459 Jy ! Component: 100 - total flux cleaned = 0.0274013 Jy ! Total flux subtracted in 100 components = 0.0274013 Jy ! Clean residual min=-0.009516 max=0.012457 Jy/beam ! Clean residual mean=0.000135 rms=0.002790 Jy/beam ! Combined flux in latest and established models = 0.994182 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 23 components and 0.994182 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086716Jy sigma=0.001047 ! Fit after self-cal, rms=0.086660Jy sigma=0.001045 ! 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 = 0.000699802 Jy ! Component: 100 - total flux cleaned = 0.00178179 Jy ! Total flux subtracted in 100 components = 0.00178179 Jy ! Clean residual min=-0.009628 max=0.011753 Jy/beam ! Clean residual mean=0.000113 rms=0.002661 Jy/beam ! Combined flux in latest and established models = 0.995964 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 31 components and 0.995964 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085886Jy sigma=0.001037 ! Fit after self-cal, rms=0.083390Jy sigma=0.000998 ! Inverting map and beam ! Estimated beam: bmin=0.5513 mas, bmaj=1.351 mas, bpa=-6.032 degrees ! Estimated noise=1447.06 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 = 0.00699236 Jy ! Component: 100 - total flux cleaned = 0.00793562 Jy ! Total flux subtracted in 100 components = 0.00793562 Jy ! Clean residual min=-0.006662 max=0.009882 Jy/beam ! Clean residual mean=0.000181 rms=0.001994 Jy/beam ! Combined flux in latest and established models = 1.0039 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 43 components and 1.0039 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082586Jy sigma=0.000988 ! Fit after self-cal, rms=0.082604Jy sigma=0.000988 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 2234+282_X ! Writing UV FITS file: 2234+282_X.uvf ! Writing 43 model components to file: 2234+282_X.mod ! wwins: Wrote 2 windows to 2234+282_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5513 x 1.351 at -6.032 degrees (North through East) ! Clean map min=-0.0062129 max=0.77737 Jy/beam ! Writing clean map to FITS file: 2234+282_X.fits ! Writing difmap environment to: 2234+282_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 2234+282_X] device 2234+282_Xuv.ps/vps,1,2 ! Attempting to open device: '2234+282_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 2234+282_Xim.ps/vps ! Attempting to open device: '2234+282_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=0.5513 mas, bmaj=1.351 mas, bpa=-6.032 degrees ! Estimated noise=1447.06 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5513 x 1.351 at -6.032 degrees (North through East) ! Clean map min=-0.0062129 max=0.77737 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 2234+282_X.log closed on Wed May 14 16:21:07 2008