! Started logfile: 1451-375_S.log on Tue Feb 5 18:44:26 2008 observe 1451-375_S.edt ! Reading UV FITS file: 1451-375_S.edt ! AN table 1: 6 integrations on 136 of 136 possible baselines. ! AN table 2: 3 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0522876 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1451-375 ! ! 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 1267 lines of history. ! ! Reading 256 visibilities. ![@gonzo5-0.4-pw 1451-375_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 = 5.0 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 80 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 80 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 86 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 85 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.151471Jy sigma=0.001706 ! Fit after self-cal, rms=0.148452Jy sigma=0.001679 ! 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=2.757 mas, bmaj=27.67 mas, bpa=4.619 degrees ! Estimated noise=6675.9 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 = 0.798539 Jy ! Total flux subtracted in 50 components = 0.798539 Jy ! Clean residual min=-0.084322 max=0.222696 Jy/beam ! Clean residual mean=-0.001134 rms=0.037672 Jy/beam ! Combined flux in latest and established models = 0.798539 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 0.798539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294679Jy sigma=0.003360 ! Fit after self-cal, rms=0.294679Jy sigma=0.003360 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.178382 Jy ! Total flux subtracted in 50 components = 0.178382 Jy ! Clean residual min=-0.042266 max=0.067467 Jy/beam ! Clean residual mean=-0.000631 rms=0.017642 Jy/beam ! Combined flux in latest and established models = 0.97692 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 9 components and 0.97692 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158132Jy sigma=0.001788 ! Fit after self-cal, rms=0.157960Jy sigma=0.001786 ! 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=3.14 mas, bmaj=27.49 mas, bpa=4.624 degrees ! Estimated noise=5589.52 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 = 0.10492 Jy ! Component: 100 - total flux cleaned = 0.156789 Jy ! Total flux subtracted in 100 components = 0.156789 Jy ! Clean residual min=-0.019895 max=0.023756 Jy/beam ! Clean residual mean=-0.000284 rms=0.007883 Jy/beam ! Combined flux in latest and established models = 1.13371 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 20 components and 1.13371 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076719Jy sigma=0.000862 ! Fit after self-cal, rms=0.076575Jy sigma=0.000860 ! 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 0.98 GC 1.00* HN 1.00* ! KK 0.98 KP 0.97 LA 1.00* MC 1.00* ! MK 1.00 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00 PT 1.01 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! WZ 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GC 1.00* HN 1.00* ! KK 1.00 KP 0.98 LA 1.00* MC 1.00* ! MK 0.99 NL 1.00* NY 1.00* ON 1.00* ! OV 0.99 PT 0.98 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! WZ 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HN 1.00* ! KK 0.96 KP 1.00 LA 1.00* MC 1.00* ! MK 1.00 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00 PT 1.00 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HN 1.00* ! KK 1.00 KP 0.98 LA 1.00* MC 1.00* ! MK 0.98 NL 1.00* NY 1.00* ON 1.00* ! OV 0.98 PT 1.00* SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MC 0.00* ! MK 0.00* NL 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! WZ 0.00* ! ! ! Fit before self-cal, rms=0.076575Jy sigma=0.000860 ! Fit after self-cal, rms=0.069583Jy sigma=0.000793 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.139 mas, bmaj=27.53 mas, bpa=4.634 degrees ! Estimated noise=5458.01 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 = 0.0196521 Jy ! Component: 100 - total flux cleaned = 0.028911 Jy ! Total flux subtracted in 100 components = 0.028911 Jy ! Clean residual min=-0.014682 max=0.014997 Jy/beam ! Clean residual mean=-0.000069 rms=0.004609 Jy/beam ! Combined flux in latest and established models = 1.16262 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 50 components and 1.16262 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064429Jy sigma=0.000732 ! Fit after self-cal, rms=0.064355Jy sigma=0.000731 ! 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 (95.6, -22.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000203671 Jy ! Component: 100 - total flux cleaned = -0.00617783 Jy ! Total flux subtracted in 100 components = -0.00617783 Jy ! Clean residual min=-0.012215 max=0.012234 Jy/beam ! Clean residual mean=-0.000049 rms=0.003517 Jy/beam ! Combined flux in latest and established models = 1.15644 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 72 components and 1.15644 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061226Jy sigma=0.000694 ! Fit after self-cal, rms=0.060690Jy sigma=0.000685 ! Inverting map and beam ! Estimated beam: bmin=3.135 mas, bmaj=27.56 mas, bpa=4.638 degrees ! Estimated noise=5452.41 mJy/beam. ! Added new window around map position (-91.6, -95.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00926595 Jy ! Component: 100 - total flux cleaned = 0.00921801 Jy ! Total flux subtracted in 100 components = 0.00921801 Jy ! Clean residual min=-0.009888 max=0.007620 Jy/beam ! Clean residual mean=-0.000054 rms=0.002548 Jy/beam ! Combined flux in latest and established models = 1.16566 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 90 components and 1.16566 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.058656Jy sigma=0.000661 ! Fit after self-cal, rms=0.058449Jy sigma=0.000658 ! Inverting map and beam ! Estimated beam: bmin=3.135 mas, bmaj=27.56 mas, bpa=4.646 degrees ! Estimated noise=5449.13 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 = 0.00303673 Jy ! Component: 100 - total flux cleaned = 0.00429739 Jy ! Total flux subtracted in 100 components = 0.00429739 Jy ! Clean residual min=-0.007988 max=0.006593 Jy/beam ! Clean residual mean=-0.000039 rms=0.002170 Jy/beam ! Combined flux in latest and established models = 1.16996 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 106 components and 1.16996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057534Jy sigma=0.000647 ! Fit after self-cal, rms=0.057416Jy sigma=0.000646 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1451-375_S ! Writing UV FITS file: 1451-375_S.uvf ! Writing 106 model components to file: 1451-375_S.mod ! wwins: Wrote 3 windows to 1451-375_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.135 x 27.56 at 4.646 degrees (North through East) ! Clean map min=-0.0086443 max=1.0439 Jy/beam ! Writing clean map to FITS file: 1451-375_S.fits ! Writing difmap environment to: 1451-375_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1451-375_S] device 1451-375_Suv.ps/vps,1,2 ! Attempting to open device: '1451-375_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1451-375_Sim.ps/vps ! Attempting to open device: '1451-375_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=3.135 mas, bmaj=27.56 mas, bpa=4.646 degrees ! Estimated noise=5449.13 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.135 x 27.56 at 4.646 degrees (North through East) ! Clean map min=-0.0086443 max=1.0439 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo5-0.4-pw] quit ! Quitting program ! Log file 1451-375_S.log closed on Tue Feb 5 18:44:31 2008