! Started logfile: 2052-474_X.log on Sun Apr 19 23:55:06 2009 observe 2052-474_X.edt ! Reading UV FITS file: 2052-474_X.edt ! AN table 1: 8 integrations on 190 of 190 possible baselines. ! AN table 2: 22 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0252632 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 2052-474 ! ! 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 576 visibilities. ![@gonzo7-0.1-pw 2052-474_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 160 telescope corrections were flagged in sub-array 1. ! A total of 399 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 160 telescope corrections were flagged in sub-array 1. ! A total of 406 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 160 telescope corrections were flagged in sub-array 1. ! A total of 394 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 160 telescope corrections were flagged in sub-array 1. ! A total of 387 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.823858Jy sigma=8.058873 ! Fit after self-cal, rms=0.804023Jy sigma=7.023725 ! 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=0.7102 mas, bmaj=4.281 mas, bpa=-14.44 degrees ! Estimated noise=6.81695 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 = 0.180891 Jy ! Total flux subtracted in 50 components = 0.180891 Jy ! Clean residual min=-0.063377 max=0.085115 Jy/beam ! Clean residual mean=0.001117 rms=0.026219 Jy/beam ! Combined flux in latest and established models = 0.180891 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 6 components and 0.180891 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.303650Jy sigma=2.180331 ! Fit after self-cal, rms=0.303611Jy sigma=2.180035 ! 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=1.022 mas, bmaj=5.347 mas, bpa=-12.48 degrees ! Estimated noise=5.94187 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 = 0.0830939 Jy ! Component: 100 - total flux cleaned = 0.11506 Jy ! Total flux subtracted in 100 components = 0.11506 Jy ! Clean residual min=-0.055807 max=0.085776 Jy/beam ! Clean residual mean=0.002864 rms=0.025237 Jy/beam ! Combined flux in latest and established models = 0.295951 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 13 components and 0.295951 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291170Jy sigma=1.878940 ! Fit after self-cal, rms=0.291172Jy sigma=1.878181 ! 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* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 3.63 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.80 LA 1.72 ! MA 1.00* MC 1.00* MK 0.99 NL 1.00* ! NY 1.00* ON 1.00* OV 0.75 PT 0.82 ! SC 1.00* 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* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.54 LA 1.05 ! MA 1.00* MC 1.00* MK 0.73 NL 1.00* ! NY 1.00* ON 1.00* OV 0.86 PT 0.94 ! 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* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.71 LA 1.46 ! MA 1.00* MC 1.00* MK 1.07 NL 1.00* ! NY 1.00* ON 1.00* OV 0.71 PT 0.71 ! SC 1.00* 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* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 2.17 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.79 LA 1.35 ! MA 1.00* MC 1.00* MK 1.25 NL 1.00* ! NY 1.00* ON 1.00* OV 0.72 PT 0.99 ! SC 1.00* TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.291172Jy sigma=1.878181 ! Fit after self-cal, rms=0.383746Jy sigma=1.087519 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.052 mas, bmaj=9.17 mas, bpa=-19.19 degrees ! Estimated noise=6.08533 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 = -0.00676331 Jy ! Component: 100 - total flux cleaned = -0.00680052 Jy ! Total flux subtracted in 100 components = -0.00680052 Jy ! Clean residual min=-0.018049 max=0.028132 Jy/beam ! Clean residual mean=-0.000079 rms=0.008402 Jy/beam ! Combined flux in latest and established models = 0.289151 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 21 components and 0.28915 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.383405Jy sigma=1.096113 ! Fit after self-cal, rms=0.385816Jy sigma=1.089997 ! 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 = 0.000211581 Jy ! Component: 100 - total flux cleaned = 0.000303579 Jy ! Total flux subtracted in 100 components = 0.000303579 Jy ! Clean residual min=-0.019380 max=0.027748 Jy/beam ! Clean residual mean=-0.000070 rms=0.008406 Jy/beam ! Combined flux in latest and established models = 0.289454 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 30 components and 0.289454 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.385600Jy sigma=1.094693 ! Fit after self-cal, rms=0.393209Jy sigma=1.065342 ! Inverting map and beam ! Estimated beam: bmin=1.049 mas, bmaj=9.145 mas, bpa=-19.23 degrees ! Estimated noise=5.89268 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 = -0.00696775 Jy ! Component: 100 - total flux cleaned = -0.00669933 Jy ! Total flux subtracted in 100 components = -0.00669933 Jy ! Clean residual min=-0.018563 max=0.026352 Jy/beam ! Clean residual mean=-0.000223 rms=0.007903 Jy/beam ! Combined flux in latest and established models = 0.282755 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 35 components and 0.282755 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.392909Jy sigma=1.072438 ! Fit after self-cal, rms=0.393355Jy sigma=1.069847 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 2052-474_X ! Writing UV FITS file: 2052-474_X.uvf ! Writing 35 model components to file: 2052-474_X.mod ! wwins: Wrote 1 windows to 2052-474_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.049 x 9.145 at -19.23 degrees (North through East) ! Clean map min=-0.023793 max=0.26757 Jy/beam ! Writing clean map to FITS file: 2052-474_X.fits ! Writing difmap environment to: 2052-474_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 2052-474_X] device 2052-474_Xuv.ps/vps,1,2 ! Attempting to open device: '2052-474_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 2052-474_Xim.ps/vps ! Attempting to open device: '2052-474_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=1.049 mas, bmaj=9.145 mas, bpa=-19.23 degrees ! Estimated noise=5.89268 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.049 x 9.145 at -19.23 degrees (North through East) ! Clean map min=-0.023793 max=0.26757 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1-pw] quit ! Quitting program ! Log file 2052-474_X.log closed on Sun Apr 19 23:55:11 2009