! Started logfile: 1741-038_X.log on Mon Mar 31 22:38:10 2008 observe 1741-038_X.edt ! Reading UV FITS file: 1741-038_X.edt ! AN table 1: 34 integrations on 136 of 136 possible baselines. ! AN table 2: 19 integrations on 136 of 136 possible baselines. ! AN table 3: 53 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.182644 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1741-038 ! ! 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 10532 visibilities. ![@gonzo8-0.1 1741-038_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 417 telescope corrections were flagged in sub-array 1. ! A total of 221 telescope corrections were flagged in sub-array 2. ! A total of 699 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 417 telescope corrections were flagged in sub-array 1. ! A total of 217 telescope corrections were flagged in sub-array 2. ! A total of 699 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 417 telescope corrections were flagged in sub-array 1. ! A total of 217 telescope corrections were flagged in sub-array 2. ! A total of 699 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 417 telescope corrections were flagged in sub-array 1. ! A total of 217 telescope corrections were flagged in sub-array 2. ! A total of 721 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=2.374679Jy sigma=0.039787 ! Fit after self-cal, rms=2.374552Jy sigma=0.039785 ! 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=0.5631 mas, bmaj=1.9 mas, bpa=-6.109 degrees ! Estimated noise=832.144 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 = 2.42682 Jy ! Total flux subtracted in 50 components = 2.42682 Jy ! Clean residual min=-0.144667 max=0.702615 Jy/beam ! Clean residual mean=0.001732 rms=0.047355 Jy/beam ! Combined flux in latest and established models = 2.42682 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 4 components and 2.42682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.092193Jy sigma=0.018703 ! Fit after self-cal, rms=1.092146Jy sigma=0.018703 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.721048 Jy ! Total flux subtracted in 50 components = 0.721048 Jy ! Clean residual min=-0.065031 max=0.313176 Jy/beam ! Clean residual mean=0.000897 rms=0.023196 Jy/beam ! Combined flux in latest and established models = 3.14787 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 9 components and 3.14787 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.546582Jy sigma=0.009364 ! Fit after self-cal, rms=0.546344Jy sigma=0.009363 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.332797 Jy ! Total flux subtracted in 50 components = 0.332797 Jy ! Clean residual min=-0.036012 max=0.151708 Jy/beam ! Clean residual mean=0.000513 rms=0.012900 Jy/beam ! Combined flux in latest and established models = 3.48067 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 18 components and 3.48067 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.316653Jy sigma=0.005282 ! Fit after self-cal, rms=0.316336Jy sigma=0.005281 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.174979 Jy ! Total flux subtracted in 50 components = 0.174979 Jy ! Clean residual min=-0.024980 max=0.087844 Jy/beam ! Clean residual mean=0.000308 rms=0.008149 Jy/beam ! Combined flux in latest and established models = 3.65565 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 30 components and 3.65565 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213387Jy sigma=0.003379 ! Fit after self-cal, rms=0.213019Jy sigma=0.003376 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.10526 Jy ! Total flux subtracted in 50 components = 0.10526 Jy ! Clean residual min=-0.019601 max=0.054027 Jy/beam ! Clean residual mean=0.000184 rms=0.005557 Jy/beam ! Combined flux in latest and established models = 3.76091 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 37 components and 3.76091 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161160Jy sigma=0.002365 ! Fit after self-cal, rms=0.160831Jy sigma=0.002362 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0664835 Jy ! Total flux subtracted in 50 components = 0.0664835 Jy ! Clean residual min=-0.015909 max=0.035098 Jy/beam ! Clean residual mean=0.000107 rms=0.004128 Jy/beam ! Combined flux in latest and established models = 3.82739 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 45 components and 3.82739 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135304Jy sigma=0.001834 ! Fit after self-cal, rms=0.135104Jy sigma=0.001832 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0433217 Jy ! Total flux subtracted in 50 components = 0.0433217 Jy ! Clean residual min=-0.013462 max=0.024377 Jy/beam ! Clean residual mean=0.000056 rms=0.003375 Jy/beam ! Combined flux in latest and established models = 3.87071 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 50 components and 3.87071 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123193Jy sigma=0.001577 ! Fit after self-cal, rms=0.123056Jy sigma=0.001576 ! 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=0.6606 mas, bmaj=2.305 mas, bpa=-7.034 degrees ! Estimated noise=498.345 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 = 0.0325167 Jy ! Component: 100 - total flux cleaned = 0.0498783 Jy ! Total flux subtracted in 100 components = 0.0498783 Jy ! Clean residual min=-0.011104 max=0.009404 Jy/beam ! Clean residual mean=0.000016 rms=0.001921 Jy/beam ! Combined flux in latest and established models = 3.92059 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 67 components and 3.92059 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.115091Jy sigma=0.001417 ! Fit after self-cal, rms=0.115035Jy sigma=0.001416 ! 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 1.00 GC 1.01 HN 1.00 ! KK 1.00 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 1.01 WF 0.99 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 GC 1.00* HN 1.00 ! KK 1.00 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 1.01 WF 1.00 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.00 GC 1.00* HN 1.00 ! KK 1.00* KP 1.00 LA 1.00 MC 1.03 ! 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 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 GC 1.01 HN 1.00 ! KK 1.00 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 1.01 WF 0.99 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 GC 1.00* HN 1.00 ! KK 1.00 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 3: ! BR 1.00 FD 1.00 GC 1.00* HN 1.00 ! KK 1.00* KP 1.00 LA 1.00 MC 1.03 ! MK 1.00* NL 1.00 NY 1.00* ON 1.01 ! OV 1.00 PT 1.00 SC 1.00 WF 1.00 ! WZ 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 GC 1.02 HN 1.00 ! KK 1.00 KP 1.00 LA 1.00 MC 1.00* ! MK 1.01 NL 1.00 NY 1.00* ON 1.00* ! OV 1.00 PT 1.00 SC 1.01 WF 0.99 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 GC 1.00* HN 1.00 ! KK 1.00 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 1.01 WF 1.00 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.00 GC 1.00* HN 1.00 ! KK 1.00* KP 1.00 LA 1.00 MC 1.04 ! MK 1.00* NL 1.00 NY 1.00* ON 1.01 ! OV 1.00 PT 1.00 SC 1.00 WF 1.00 ! WZ 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 GC 1.01 HN 1.00 ! KK 1.00 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 1.01 WF 1.00 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 GC 1.00* HN 1.00 ! KK 1.00 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 1.01 WF 1.00 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.00 GC 1.00* HN 0.99 ! KK 1.00* KP 1.00 LA 1.00 MC 1.05 ! MK 1.00* NL 1.00 NY 1.00* ON 1.01 ! OV 1.00 PT 1.00 SC 1.00 WF 1.00 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.115035Jy sigma=0.001416 ! Fit after self-cal, rms=0.111254Jy sigma=0.001355 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6652 mas, bmaj=2.309 mas, bpa=-7.079 degrees ! Estimated noise=499.807 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 = -0.000542353 Jy ! Component: 100 - total flux cleaned = -0.00120533 Jy ! Total flux subtracted in 100 components = -0.00120533 Jy ! Clean residual min=-0.010787 max=0.007347 Jy/beam ! Clean residual mean=-0.000033 rms=0.001528 Jy/beam ! Combined flux in latest and established models = 3.91939 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 74 components and 3.91939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109971Jy sigma=0.001337 ! Fit after self-cal, rms=0.109942Jy sigma=0.001336 ! 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 = -0.000618689 Jy ! Component: 100 - total flux cleaned = -0.000868517 Jy ! Total flux subtracted in 100 components = -0.000868517 Jy ! Clean residual min=-0.010074 max=0.007018 Jy/beam ! Clean residual mean=-0.000030 rms=0.001481 Jy/beam ! Combined flux in latest and established models = 3.91852 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 77 components and 3.91852 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109210Jy sigma=0.001328 ! Fit after self-cal, rms=0.108696Jy sigma=0.001320 ! Inverting map and beam ! Estimated beam: bmin=0.6666 mas, bmaj=2.309 mas, bpa=-7.088 degrees ! Estimated noise=500.7 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 = 0.000394123 Jy ! Component: 100 - total flux cleaned = -0.00012351 Jy ! Total flux subtracted in 100 components = -0.00012351 Jy ! Clean residual min=-0.009869 max=0.006933 Jy/beam ! Clean residual mean=-0.000024 rms=0.001395 Jy/beam ! Combined flux in latest and established models = 3.91839 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 77 components and 3.91839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.107793Jy sigma=0.001308 ! Fit after self-cal, rms=0.107776Jy sigma=0.001308 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1741-038_X ! Writing UV FITS file: 1741-038_X.uvf ! Writing 77 model components to file: 1741-038_X.mod ! wwins: Wrote 1 windows to 1741-038_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6666 x 2.309 at -7.088 degrees (North through East) ! Clean map min=-0.0057645 max=3.2605 Jy/beam ! Writing clean map to FITS file: 1741-038_X.fits ! Writing difmap environment to: 1741-038_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1741-038_X] device 1741-038_Xuv.ps/vps,1,2 ! Attempting to open device: '1741-038_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1741-038_Xim.ps/vps ! Attempting to open device: '1741-038_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=0.6666 mas, bmaj=2.309 mas, bpa=-7.088 degrees ! Estimated noise=500.7 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6666 x 2.309 at -7.088 degrees (North through East) ! Clean map min=-0.0057645 max=3.2605 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 1741-038_X.log closed on Mon Mar 31 22:38:17 2008