! Started logfile: 0920-397_X.log on Thu Apr 9 00:04:43 2009 observe 0920-397_X.edt2 ! Reading UV FITS file: 0920-397_X.edt2 ! AN table 1: 6 integrations on 190 of 190 possible baselines. ! AN table 2: 42 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.060636 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 1491 lines of history. ! ! Reading 2212 visibilities. ![@gonzo7-0.1 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 = 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 120 telescope corrections were flagged in sub-array 1. ! A total of 723 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 735 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 723 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 723 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.219592Jy sigma=2.546353 ! Fit after self-cal, rms=0.192206Jy sigma=2.511061 ! 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=0.667 mas, bmaj=2.044 mas, bpa=-17.62 degrees ! Estimated noise=2.35636 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 = 0.706036 Jy ! Total flux subtracted in 50 components = 0.706036 Jy ! Clean residual min=-0.054118 max=0.197042 Jy/beam ! Clean residual mean=0.000857 rms=0.029626 Jy/beam ! Combined flux in latest and established models = 0.706036 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.706036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.303628Jy sigma=4.010836 ! Fit after self-cal, rms=0.303625Jy sigma=4.010778 ! 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=0.8543 mas, bmaj=2.491 mas, bpa=-17.46 degrees ! Estimated noise=1.70334 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 = 0.214063 Jy ! Component: 100 - total flux cleaned = 0.284503 Jy ! Total flux subtracted in 100 components = 0.284503 Jy ! Clean residual min=-0.027823 max=0.050212 Jy/beam ! Clean residual mean=0.001046 rms=0.013703 Jy/beam ! Combined flux in latest and established models = 0.990539 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 18 components and 0.990539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152193Jy sigma=1.647661 ! Fit after self-cal, rms=0.152079Jy sigma=1.646887 ! 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 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 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* TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.92 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.92 LA 1.15 ! MA 1.00* MC 1.00* MK 1.04 NL 1.03 ! NY 1.00* ON 1.00* OV 0.99 PT 0.94 ! SC 1.03 TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 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* TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.92 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.93 LA 1.21 ! MA 1.00* MC 1.00* MK 1.05 NL 1.01 ! NY 1.00* ON 1.00* OV 0.97 PT 0.93 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 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* TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.91 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.94 LA 1.18 ! MA 1.00* MC 1.00* MK 1.05 NL 1.01 ! NY 1.00* ON 1.00* OV 0.99 PT 0.95 ! SC 1.03 TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 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* TS 0.00* WF 0.00* WZ 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.92 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.89 LA 1.15 ! MA 1.00* MC 1.00* MK 1.03 NL 1.01 ! NY 1.00* ON 1.00* OV 0.97 PT 0.96 ! SC 0.98 TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.152079Jy sigma=1.646887 ! Fit after self-cal, rms=0.123985Jy sigma=1.132428 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8699 mas, bmaj=2.524 mas, bpa=-17.32 degrees ! Estimated noise=1.65911 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 = 2.84778e-05 Jy ! Component: 100 - total flux cleaned = 0.0010339 Jy ! Total flux subtracted in 100 components = 0.0010339 Jy ! Clean residual min=-0.007411 max=0.010483 Jy/beam ! Clean residual mean=-0.000004 rms=0.002223 Jy/beam ! Combined flux in latest and established models = 0.991573 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 24 components and 0.991573 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123538Jy sigma=1.128937 ! Fit after self-cal, rms=0.123534Jy sigma=1.128672 ! 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 = 0.000162242 Jy ! Component: 100 - total flux cleaned = 0.000487095 Jy ! Total flux subtracted in 100 components = 0.000487095 Jy ! Clean residual min=-0.007360 max=0.009765 Jy/beam ! Clean residual mean=-0.000003 rms=0.002139 Jy/beam ! Combined flux in latest and established models = 0.99206 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 28 components and 0.99206 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123287Jy sigma=1.126431 ! Fit after self-cal, rms=0.122242Jy sigma=1.086012 ! Inverting map and beam ! Estimated beam: bmin=0.8717 mas, bmaj=2.526 mas, bpa=-17.31 degrees ! Estimated noise=1.65903 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 = -0.00116651 Jy ! Component: 100 - total flux cleaned = -0.00101065 Jy ! Total flux subtracted in 100 components = -0.00101065 Jy ! Clean residual min=-0.007015 max=0.009392 Jy/beam ! Clean residual mean=0.000007 rms=0.002092 Jy/beam ! Combined flux in latest and established models = 0.99105 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 30 components and 0.99105 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.121934Jy sigma=1.084179 ! Fit after self-cal, rms=0.121922Jy sigma=1.084113 ! 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 30 model components to file: 0920-397_X.mod ! wwins: Wrote 1 windows to 0920-397_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8717 x 2.526 at -17.31 degrees (North through East) ! Clean map min=-0.0068894 max=0.91262 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=0.8717 mas, bmaj=2.526 mas, bpa=-17.31 degrees ! Estimated noise=1.65903 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8717 x 2.526 at -17.31 degrees (North through East) ! Clean map min=-0.0068894 max=0.91262 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1] quit ! Quitting program ! Log file 0920-397_X.log closed on Thu Apr 9 00:04:49 2009