! Started logfile: 1751+288_X.log on Thu Jul 10 12:11:17 2008 observe 1751+288_X.edt ! Reading UV FITS file: 1751+288_X.edt ! AN table 1: 47 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.26271 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1751+288 ! ! 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 1472 lines of history. ! ! Reading 9384 visibilities. ![@gonzo6-0.1-pw 1751+288_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 = 6.0 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 571 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 568 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 568 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 572 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.685919Jy sigma=28.076398 ! Fit after self-cal, rms=0.685138Jy sigma=28.102773 ! 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 peakw win_mult ! Inverting map and beam ! Estimated beam: bmin=0.5134 mas, bmaj=0.9009 mas, bpa=6.262 degrees ! Estimated noise=0.85016 mJy/beam. ! Added new window around map position (0, 0). 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=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.258888 Jy ! Total flux subtracted in 50 components = 0.258888 Jy ! Clean residual min=-0.020430 max=0.072214 Jy/beam ! Clean residual mean=-0.000142 rms=0.005684 Jy/beam ! Combined flux in latest and established models = 0.258888 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 0.258888 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201860Jy sigma=2.498006 ! Fit after self-cal, rms=0.201860Jy sigma=2.497998 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0604577 Jy ! Total flux subtracted in 50 components = 0.0604577 Jy ! Clean residual min=-0.016530 max=0.022830 Jy/beam ! Clean residual mean=-0.000039 rms=0.003973 Jy/beam ! Combined flux in latest and established models = 0.319346 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 0.319346 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185804Jy sigma=1.951511 ! Fit after self-cal, rms=0.185786Jy sigma=1.951041 ! 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=0.6003 mas, bmaj=1.052 mas, bpa=5.165 degrees ! Estimated noise=0.513743 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 = 0.0192338 Jy ! Component: 100 - total flux cleaned = 0.0209026 Jy ! Total flux subtracted in 100 components = 0.0209026 Jy ! Clean residual min=-0.011986 max=0.014352 Jy/beam ! Clean residual mean=-0.000010 rms=0.002841 Jy/beam ! Combined flux in latest and established models = 0.340249 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 15 components and 0.340249 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183239Jy sigma=2.174054 ! Fit after self-cal, rms=0.183210Jy sigma=2.173218 ! 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 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.07 GC 1.03 HH 1.00* ! HN 1.80 KK 1.02 KP 1.16 LA 1.02 ! MA 1.00* MC 1.00* MK 0.78 NL 0.91 ! NY 1.30 ON 1.00* OV 0.98 PT 0.98 ! SC 0.91 TS 0.93 WF 0.63 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.09 GC 1.07 HH 1.00* ! HN 1.69 KK 1.03 KP 1.13 LA 1.08 ! MA 1.00* MC 1.00* MK 0.74 NL 0.90 ! NY 1.16 ON 1.00* OV 1.01 PT 0.89 ! SC 0.94 TS 0.90 WF 0.68 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.84 FD 1.14 GC 0.96 HH 1.00* ! HN 1.43 KK 0.99 KP 1.13 LA 1.05 ! MA 1.00* MC 1.00* MK 0.93 NL 0.86 ! NY 1.15 ON 1.00* OV 0.85 PT 1.06 ! SC 1.04 TS 0.99 WF 0.63 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.23 GC 1.02 HH 1.00* ! HN 1.30 KK 1.00 KP 1.11 LA 0.96 ! MA 1.00* MC 1.00* MK 0.71 NL 0.89 ! NY 1.18 ON 1.00* OV 0.86 PT 1.07 ! SC 0.96 TS 0.83 WF 0.77 WZ 1.00* ! ! ! Fit before self-cal, rms=0.183210Jy sigma=2.173218 ! Fit after self-cal, rms=0.181097Jy sigma=1.326329 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.5925 mas, bmaj=1.078 mas, bpa=2.788 degrees ! Estimated noise=0.508512 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 = 0.00107801 Jy ! Component: 100 - total flux cleaned = 0.00107177 Jy ! Total flux subtracted in 100 components = 0.00107177 Jy ! Clean residual min=-0.003671 max=0.004571 Jy/beam ! Clean residual mean=-0.000003 rms=0.000942 Jy/beam ! Combined flux in latest and established models = 0.341321 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 20 components and 0.341321 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180663Jy sigma=1.313627 ! Fit after self-cal, rms=0.180606Jy sigma=1.311915 ! 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 (1.1, 1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0015161 Jy ! Component: 100 - total flux cleaned = 0.0018736 Jy ! Total flux subtracted in 100 components = 0.0018736 Jy ! Clean residual min=-0.003683 max=0.003857 Jy/beam ! Clean residual mean=0.000002 rms=0.000897 Jy/beam ! Combined flux in latest and established models = 0.343194 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 29 components and 0.343194 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180435Jy sigma=1.311936 ! Fit after self-cal, rms=0.185859Jy sigma=1.258420 ! Inverting map and beam ! Estimated beam: bmin=0.5897 mas, bmaj=1.076 mas, bpa=2.549 degrees ! Estimated noise=0.507538 mJy/beam. ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00264311 Jy ! Component: 100 - total flux cleaned = 0.00318154 Jy ! Total flux subtracted in 100 components = 0.00318154 Jy ! Clean residual min=-0.002871 max=0.003148 Jy/beam ! Clean residual mean=0.000002 rms=0.000730 Jy/beam ! Combined flux in latest and established models = 0.346376 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 33 components and 0.346376 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185715Jy sigma=1.256884 ! Fit after self-cal, rms=0.185376Jy sigma=1.250480 ! Inverting map and beam ! Estimated beam: bmin=0.5884 mas, bmaj=1.074 mas, bpa=2.442 degrees ! Estimated noise=0.506755 mJy/beam. ! Added new window around map position (22.3, -21). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00242592 Jy ! Component: 100 - total flux cleaned = 0.00280927 Jy ! Total flux subtracted in 100 components = 0.00280926 Jy ! Clean residual min=-0.002759 max=0.002770 Jy/beam ! Clean residual mean=-0.000013 rms=0.000676 Jy/beam ! Combined flux in latest and established models = 0.349185 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 43 components and 0.349185 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185279Jy sigma=1.248528 ! Fit after self-cal, rms=0.185868Jy sigma=1.247289 ! Inverting map and beam ! Estimated beam: bmin=0.5877 mas, bmaj=1.074 mas, bpa=2.398 degrees ! Estimated noise=0.506396 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 = 0.000833145 Jy ! Component: 100 - total flux cleaned = 0.00130918 Jy ! Total flux subtracted in 100 components = 0.00130918 Jy ! Clean residual min=-0.002701 max=0.002593 Jy/beam ! Clean residual mean=-0.000016 rms=0.000655 Jy/beam ! Combined flux in latest and established models = 0.350494 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 46 components and 0.350494 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185805Jy sigma=1.246744 ! Fit after self-cal, rms=0.185779Jy sigma=1.246594 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1751+288_X ! Writing UV FITS file: 1751+288_X.uvf ! Writing 46 model components to file: 1751+288_X.mod ! wwins: Wrote 3 windows to 1751+288_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5877 x 1.074 at 2.398 degrees (North through East) ! Clean map min=-0.0025471 max=0.32571 Jy/beam ! Writing clean map to FITS file: 1751+288_X.fits ! Writing difmap environment to: 1751+288_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1751+288_X] device 1751+288_Xuv.ps/vps,1,2 ! Attempting to open device: '1751+288_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1751+288_Xim.ps/vps ! Attempting to open device: '1751+288_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=0.5877 mas, bmaj=1.074 mas, bpa=2.398 degrees ! Estimated noise=0.506396 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5877 x 1.074 at 2.398 degrees (North through East) ! Clean map min=-0.0025471 max=0.32571 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.1-pw] quit ! Quitting program ! Log file 1751+288_X.log closed on Thu Jul 10 12:11:28 2008