! Started logfile: 0920-397_X.log on Wed Jul 20 12:20:47 2005 observe 0920-397_X.edt ! Reading UV FITS file: 0920-397_X.edt ! AN table 1: 25 integrations on 171 of 171 possible baselines. ! AN table 2: 55 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0495614 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0920-397 ! ! 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 1818 lines of history. ! ! Reading 2712 visibilities. ![@gonzo8-0.1 0920-397_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 427 telescope corrections were flagged in sub-array 1. ! A total of 954 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 426 telescope corrections were flagged in sub-array 1. ! A total of 954 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 426 telescope corrections were flagged in sub-array 1. ! A total of 957 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 426 telescope corrections were flagged in sub-array 1. ! A total of 957 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.360031Jy sigma=0.005258 ! Fit after self-cal, rms=0.359673Jy sigma=0.005245 ! 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=0.6432 mas, bmaj=2.356 mas, bpa=-6.997 degrees ! Estimated noise=2356.36 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 = 0.945437 Jy ! Total flux subtracted in 50 components = 0.945437 Jy ! Clean residual min=-0.064020 max=0.263668 Jy/beam ! Clean residual mean=0.000472 rms=0.025234 Jy/beam ! Combined flux in latest and established models = 0.945437 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 0.945437 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.407359Jy sigma=0.005941 ! Fit after self-cal, rms=0.407359Jy sigma=0.005941 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.22261 Jy ! Total flux subtracted in 50 components = 0.22261 Jy ! Clean residual min=-0.038010 max=0.088063 Jy/beam ! Clean residual mean=0.000368 rms=0.013362 Jy/beam ! Combined flux in latest and established models = 1.16805 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 16 components and 1.16805 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.231985Jy sigma=0.003348 ! Fit after self-cal, rms=0.231945Jy sigma=0.003347 ! 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=0.8695 mas, bmaj=3.81 mas, bpa=-9.68 degrees ! Estimated noise=1399.53 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 = 0.145864 Jy ! Component: 100 - total flux cleaned = 0.207301 Jy ! Total flux subtracted in 100 components = 0.207301 Jy ! Clean residual min=-0.026778 max=0.055398 Jy/beam ! Clean residual mean=0.001286 rms=0.010756 Jy/beam ! Combined flux in latest and established models = 1.37535 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 43 model components to the UV plane model. ! The established model now contains 58 components and 1.37535 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.141397Jy sigma=0.001886 ! Fit after self-cal, rms=0.141329Jy sigma=0.001885 ! 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 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.98 LA 0.99 ! MC 1.00* MK 1.01 NL 1.18 NY 1.00* ! ON 1.00* OV 1.03 PT 0.95 SC 1.06 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00 KP 0.96 LA 0.93 ! MC 1.00* MK 0.99 NL 1.00* NY 1.00* ! ON 1.00* OV 1.03 PT 0.94 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.99 LA 1.01 ! MC 1.00* MK 1.01 NL 1.17 NY 1.00* ! ON 1.00* OV 1.04 PT 0.95 SC 1.07 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.94 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00 KP 0.97 LA 0.90 ! MC 1.00* MK 0.99 NL 1.00* NY 1.00* ! ON 1.00* OV 1.04 PT 0.95 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.97 LA 1.03 ! MC 1.00* MK 1.03 NL 1.16 NY 1.00* ! ON 1.00* OV 1.06 PT 0.96 SC 1.17 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 0.98 KP 0.96 LA 0.91 ! MC 1.00* MK 1.00 NL 1.00* NY 1.00* ! ON 1.00* OV 1.06 PT 0.94 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.98 LA 1.00 ! MC 1.00* MK 1.02 NL 1.22 NY 1.00* ! ON 1.00* OV 1.04 PT 0.97 SC 1.15 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 0.99 KP 0.97 LA 0.91 ! MC 1.00* MK 0.98 NL 1.00* NY 1.00* ! ON 1.00* OV 1.04 PT 0.95 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.141329Jy sigma=0.001885 ! Fit after self-cal, rms=0.096225Jy sigma=0.001286 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8786 mas, bmaj=3.761 mas, bpa=-9.88 degrees ! Estimated noise=1425.78 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 = 0.0041184 Jy ! Component: 100 - total flux cleaned = 0.0043312 Jy ! Total flux subtracted in 100 components = 0.0043312 Jy ! Clean residual min=-0.011902 max=0.016212 Jy/beam ! Clean residual mean=0.000117 rms=0.003189 Jy/beam ! Combined flux in latest and established models = 1.37968 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 69 components and 1.37968 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.095614Jy sigma=0.001276 ! Fit after self-cal, rms=0.095579Jy sigma=0.001276 ! 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 = 0.0010291 Jy ! Component: 100 - total flux cleaned = 0.00119081 Jy ! Total flux subtracted in 100 components = 0.00119081 Jy ! Clean residual min=-0.011254 max=0.015364 Jy/beam ! Clean residual mean=0.000113 rms=0.003117 Jy/beam ! Combined flux in latest and established models = 1.38087 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 72 components and 1.38087 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.095217Jy sigma=0.001270 ! Fit after self-cal, rms=0.090742Jy sigma=0.001198 ! Inverting map and beam ! Estimated beam: bmin=0.8772 mas, bmaj=3.763 mas, bpa=-9.868 degrees ! Estimated noise=1426.18 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) ! Added new window around map position (1, -7.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0127498 Jy ! Component: 100 - total flux cleaned = 0.0125387 Jy ! Total flux subtracted in 100 components = 0.0125387 Jy ! Clean residual min=-0.006574 max=0.008269 Jy/beam ! Clean residual mean=0.000059 rms=0.001769 Jy/beam ! Combined flux in latest and established models = 1.39341 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 86 components and 1.39341 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088783Jy sigma=0.001170 ! Fit after self-cal, rms=0.088631Jy sigma=0.001168 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0920-397_X ! Writing UV FITS file: 0920-397_X.uvf ! Writing 86 model components to file: 0920-397_X.mod ! wwins: Wrote 2 windows to 0920-397_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8772 x 3.763 at -9.868 degrees (North through East) ! Clean map min=-0.0063693 max=1.2568 Jy/beam ! Writing clean map to FITS file: 0920-397_X.fits ! Writing difmap environment to: 0920-397_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0920-397_X] device 0920-397_Xuv.ps/vps,1,2 ! Attempting to open device: '0920-397_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0920-397_Xim.ps/vps ! Attempting to open device: '0920-397_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=0.8772 mas, bmaj=3.763 mas, bpa=-9.868 degrees ! Estimated noise=1426.18 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8772 x 3.763 at -9.868 degrees (North through East) ! Clean map min=-0.0063693 max=1.2568 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 0920-397_X.log closed on Wed Jul 20 12:21:26 2005