! Started logfile: 0537-441_X.log on Wed Jul 26 15:59:29 2006 observe 0537-441_X.edt ! Reading UV FITS file: 0537-441_X.edt ! AN table 1: 16 integrations on 190 of 190 possible baselines. ! AN table 2: 30 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0258581 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0537-441 ! ! 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 1409 lines of history. ! ! Reading 904 visibilities. ![@gonzo8-0.1 0537-441_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 320 telescope corrections were flagged in sub-array 1. ! A total of 569 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 320 telescope corrections were flagged in sub-array 1. ! A total of 575 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 320 telescope corrections were flagged in sub-array 1. ! A total of 573 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 320 telescope corrections were flagged in sub-array 1. ! A total of 569 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=2.427900Jy sigma=0.033659 ! Fit after self-cal, rms=2.444668Jy sigma=0.033912 ! 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=0.5967 mas, bmaj=1.85 mas, bpa=-8.778 degrees ! Estimated noise=3966.99 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 = 2.45589 Jy ! Total flux subtracted in 50 components = 2.45589 Jy ! Clean residual min=-0.308644 max=0.702806 Jy/beam ! Clean residual mean=-0.001403 rms=0.117961 Jy/beam ! Combined flux in latest and established models = 2.45589 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 2.45589 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.130802Jy sigma=0.015958 ! Fit after self-cal, rms=1.130848Jy sigma=0.015956 ! 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=0.7358 mas, bmaj=2.146 mas, bpa=-10.49 degrees ! Estimated noise=3088.78 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 = 0.872208 Jy ! Component: 100 - total flux cleaned = 1.239 Jy ! Total flux subtracted in 100 components = 1.239 Jy ! Clean residual min=-0.092943 max=0.160687 Jy/beam ! Clean residual mean=-0.002713 rms=0.037796 Jy/beam ! Combined flux in latest and established models = 3.69489 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 35 model components to the UV plane model. ! The established model now contains 36 components and 3.69489 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.292054Jy sigma=0.004053 ! Fit after self-cal, rms=0.289024Jy sigma=0.004021 ! 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* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 GC 1.00* HN 1.00* ! LA 0.95 NL 1.00* OV 1.01 SC 1.02 ! WF 1.00* GG 1.00* HH 1.00* KK 1.00* ! KP 0.95 MA 1.00* MC 1.00* MK 1.06 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 GC 1.00* HN 1.00* ! LA 0.95 NL 1.00* OV 1.03 SC 1.22 ! WF 1.00* GG 1.00* HH 1.00* KK 1.00* ! KP 0.90 MA 1.00* MC 1.00* MK 1.05 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 GC 1.00* HN 1.00* ! LA 1.00* NL 1.00* OV 0.99 SC 1.04 ! WF 1.00* GG 1.00* HH 1.00* KK 1.00* ! KP 0.90 MA 1.00* MC 1.00* MK 1.01 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 GC 1.00* HN 1.00* ! LA 0.96 NL 1.00* OV 1.02 SC 1.03 ! WF 1.00* GG 1.00* HH 1.00* KK 1.00* ! KP 0.90 MA 1.00* MC 1.00* MK 1.01 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.96 ! ! ! Fit before self-cal, rms=0.289024Jy sigma=0.004021 ! Fit after self-cal, rms=0.124169Jy sigma=0.001632 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.778 mas, bmaj=2.213 mas, bpa=-10.88 degrees ! Estimated noise=2996.79 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 = -0.000745178 Jy ! Component: 100 - total flux cleaned = -0.000770338 Jy ! Total flux subtracted in 100 components = -0.000770338 Jy ! Clean residual min=-0.024509 max=0.068093 Jy/beam ! Clean residual mean=-0.000880 rms=0.010349 Jy/beam ! Combined flux in latest and established models = 3.69412 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 5 model components to the UV plane model. ! The established model now contains 39 components and 3.69412 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122051Jy sigma=0.001599 ! Fit after self-cal, rms=0.121375Jy sigma=0.001595 ! 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 (2.7, 6.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0540713 Jy ! Component: 100 - total flux cleaned = 0.0653938 Jy ! Total flux subtracted in 100 components = 0.0653938 Jy ! Clean residual min=-0.021301 max=0.023469 Jy/beam ! Clean residual mean=-0.000493 rms=0.005812 Jy/beam ! Combined flux in latest and established models = 3.75951 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 43 components and 3.75951 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097238Jy sigma=0.001285 ! Fit after self-cal, rms=0.092611Jy sigma=0.001236 ! Inverting map and beam ! Estimated beam: bmin=0.776 mas, bmaj=2.208 mas, bpa=-10.86 degrees ! Estimated noise=2987.86 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 = 0.0150062 Jy ! Component: 100 - total flux cleaned = 0.0153577 Jy ! Total flux subtracted in 100 components = 0.0153577 Jy ! Clean residual min=-0.019100 max=0.017185 Jy/beam ! Clean residual mean=-0.000409 rms=0.004432 Jy/beam ! Combined flux in latest and established models = 3.77487 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 53 components and 3.77487 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090163Jy sigma=0.001208 ! Fit after self-cal, rms=0.089843Jy sigma=0.001204 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0537-441_X ! Writing UV FITS file: 0537-441_X.uvf ! Writing 53 model components to file: 0537-441_X.mod ! wwins: Wrote 2 windows to 0537-441_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.776 x 2.208 at -10.86 degrees (North through East) ! Clean map min=-0.01825 max=3.2197 Jy/beam ! Writing clean map to FITS file: 0537-441_X.fits ! Writing difmap environment to: 0537-441_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0537-441_X] device 0537-441_Xuv.ps/vps,1,2 ! Attempting to open device: '0537-441_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0537-441_Xim.ps/vps ! Attempting to open device: '0537-441_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=0.776 mas, bmaj=2.208 mas, bpa=-10.86 degrees ! Estimated noise=2987.86 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.776 x 2.208 at -10.86 degrees (North through East) ! Clean map min=-0.01825 max=3.2197 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 0537-441_X.log closed on Wed Jul 26 15:59:42 2006