! Started logfile: 1255-316_X.log on Tue Mar 25 09:49:54 2008 observe 1255-316_X.edt ! Reading UV FITS file: 1255-316_X.edt ! AN table 1: 10 integrations on 136 of 136 possible baselines. ! AN table 2: 35 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.151471 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1255-316 ! ! 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 1222 lines of history. ! ! Reading 3708 visibilities. ![@gonzo7-0.1 1255-316_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 = 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 0.100x0.100 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 118 telescope corrections were flagged in sub-array 1. ! A total of 444 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 123 telescope corrections were flagged in sub-array 1. ! A total of 447 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 126 telescope corrections were flagged in sub-array 1. ! A total of 451 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 123 telescope corrections were flagged in sub-array 1. ! A total of 445 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.303124Jy sigma=0.004278 ! Fit after self-cal, rms=0.302307Jy sigma=0.004276 ! 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=0.6422 mas, bmaj=2.019 mas, bpa=-6.778 degrees ! Estimated noise=1691.98 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 = 0.763866 Jy ! Total flux subtracted in 50 components = 0.763866 Jy ! Clean residual min=-0.069469 max=0.254538 Jy/beam ! Clean residual mean=-0.001242 rms=0.025240 Jy/beam ! Combined flux in latest and established models = 0.763866 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 0.763866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.378899Jy sigma=0.005974 ! Fit after self-cal, rms=0.378902Jy sigma=0.005974 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.254247 Jy ! Total flux subtracted in 50 components = 0.254247 Jy ! Clean residual min=-0.034502 max=0.103296 Jy/beam ! Clean residual mean=-0.000643 rms=0.011784 Jy/beam ! Combined flux in latest and established models = 1.01811 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 7 components and 1.01811 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.194537Jy sigma=0.003076 ! Fit after self-cal, rms=0.194544Jy sigma=0.003076 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.106405 Jy ! Total flux subtracted in 50 components = 0.106405 Jy ! Clean residual min=-0.023191 max=0.047439 Jy/beam ! Clean residual mean=-0.000395 rms=0.006951 Jy/beam ! Combined flux in latest and established models = 1.12452 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 19 components and 1.12452 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135839Jy sigma=0.002032 ! Fit after self-cal, rms=0.135823Jy sigma=0.002032 ! 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=0.7766 mas, bmaj=2.514 mas, bpa=-10.64 degrees ! Estimated noise=968.017 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 = 0.0744574 Jy ! Component: 100 - total flux cleaned = 0.110515 Jy ! Total flux subtracted in 100 components = 0.110515 Jy ! Clean residual min=-0.011789 max=0.028073 Jy/beam ! Clean residual mean=-0.000398 rms=0.005245 Jy/beam ! Combined flux in latest and established models = 1.23503 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 56 model components to the UV plane model. ! The established model now contains 73 components and 1.23503 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105090Jy sigma=0.001315 ! Fit after self-cal, rms=0.105025Jy sigma=0.001315 ! 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 1.00* FD 0.97 GC 1.00* HN 1.04 ! KK 1.00* KP 1.00 LA 0.99 MC 1.00* ! MK 1.00* NL 0.99 NY 1.00* ON 1.00* ! OV 1.00* PT 0.98 SC 1.03 WF 1.05 ! WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 1.00* HN 1.04 ! KK 0.99 KP 0.99 LA 0.98 MC 1.00* ! MK 0.99 NL 1.00 NY 1.00* ON 1.00* ! OV 0.99 PT 0.97 SC 1.02 WF 1.04 ! WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HN 1.03 ! KK 1.00* KP 1.01 LA 0.99 MC 1.00* ! MK 1.00* NL 0.99 NY 1.00* ON 1.00* ! OV 1.00* PT 0.99 SC 1.02 WF 1.03 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 1.00* HN 1.04 ! KK 1.00 KP 0.99 LA 0.98 MC 1.00* ! MK 0.99 NL 1.00 NY 1.00* ON 1.00* ! OV 0.99 PT 0.98 SC 1.02 WF 1.04 ! WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HN 1.03 ! KK 1.00* KP 1.00 LA 0.99 MC 1.00* ! MK 1.00* NL 1.00 NY 1.00* ON 1.00* ! OV 1.00* PT 0.98 SC 1.03 WF 1.03 ! WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 1.00* HN 1.05 ! KK 1.00 KP 0.99 LA 0.98 MC 1.00* ! MK 0.99 NL 0.99 NY 1.00* ON 1.00* ! OV 0.99 PT 0.98 SC 1.02 WF 1.05 ! WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HN 1.04 ! KK 1.00* KP 1.00 LA 0.98 MC 1.00* ! MK 1.00* NL 1.00 NY 1.00* ON 1.00* ! OV 1.00* PT 0.98 SC 1.03 WF 1.05 ! WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.98 GC 1.00* HN 1.04 ! KK 1.01 KP 0.99 LA 0.98 MC 1.00* ! MK 0.99 NL 1.00 NY 1.00* ON 1.00* ! OV 0.99 PT 0.98 SC 1.02 WF 1.05 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.105025Jy sigma=0.001315 ! Fit after self-cal, rms=0.101586Jy sigma=0.001210 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.783 mas, bmaj=2.529 mas, bpa=-10.76 degrees ! Estimated noise=955.626 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 (3.9, 11.1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0219702 Jy ! Component: 100 - total flux cleaned = 0.0324343 Jy ! Total flux subtracted in 100 components = 0.0324343 Jy ! Clean residual min=-0.008600 max=0.012488 Jy/beam ! Clean residual mean=-0.000190 rms=0.002642 Jy/beam ! Combined flux in latest and established models = 1.26747 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 109 components and 1.26747 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.098179Jy sigma=0.001118 ! Fit after self-cal, rms=0.097810Jy sigma=0.001115 ! 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) ! Added new window around map position (1.7, 5.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.012297 Jy ! Component: 100 - total flux cleaned = 0.0190341 Jy ! Total flux subtracted in 100 components = 0.0190341 Jy ! Clean residual min=-0.007667 max=0.010101 Jy/beam ! Clean residual mean=-0.000127 rms=0.002244 Jy/beam ! Combined flux in latest and established models = 1.2865 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 132 components and 1.2865 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096221Jy sigma=0.001091 ! Fit after self-cal, rms=0.094191Jy sigma=0.001074 ! Inverting map and beam ! Estimated beam: bmin=0.7813 mas, bmaj=2.527 mas, bpa=-10.77 degrees ! Estimated noise=953.364 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 = 0.00813687 Jy ! Component: 100 - total flux cleaned = 0.0124586 Jy ! Total flux subtracted in 100 components = 0.0124586 Jy ! Clean residual min=-0.006445 max=0.008962 Jy/beam ! Clean residual mean=-0.000086 rms=0.001887 Jy/beam ! Combined flux in latest and established models = 1.29896 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 147 components and 1.29896 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.093468Jy sigma=0.001062 ! Fit after self-cal, rms=0.093241Jy sigma=0.001060 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1255-316_X ! Writing UV FITS file: 1255-316_X.uvf ! Writing 147 model components to file: 1255-316_X.mod ! wwins: Wrote 3 windows to 1255-316_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7813 x 2.527 at -10.77 degrees (North through East) ! Clean map min=-0.0063745 max=0.98522 Jy/beam ! Writing clean map to FITS file: 1255-316_X.fits ! Writing difmap environment to: 1255-316_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1255-316_X] device 1255-316_Xuv.ps/vps,1,2 ! Attempting to open device: '1255-316_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1255-316_Xim.ps/vps ! Attempting to open device: '1255-316_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=0.7813 mas, bmaj=2.527 mas, bpa=-10.77 degrees ! Estimated noise=953.364 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7813 x 2.527 at -10.77 degrees (North through East) ! Clean map min=-0.0063745 max=0.98522 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1] quit ! Quitting program ! Log file 1255-316_X.log closed on Tue Mar 25 09:49:59 2008