! Started logfile: 0920-397_X.log on Fri Jul 28 11:29:02 2006 observe 0920-397_X.edt ! Reading UV FITS file: 0920-397_X.edt ! AN table 1: 9 integrations on 190 of 190 possible baselines. ! AN table 2: 35 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0791866 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 1409 lines of history. ! ! Reading 2648 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 145 telescope corrections were flagged in sub-array 1. ! A total of 573 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 145 telescope corrections were flagged in sub-array 1. ! A total of 574 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 145 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 145 telescope corrections were flagged in sub-array 1. ! A total of 574 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.274473Jy sigma=0.003946 ! Fit after self-cal, rms=0.274463Jy sigma=0.003952 ! 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=0.7706 mas, bmaj=4.724 mas, bpa=-5.375 degrees ! Estimated noise=3195.62 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 = 0.876537 Jy ! Total flux subtracted in 50 components = 0.876537 Jy ! Clean residual min=-0.083674 max=0.244526 Jy/beam ! Clean residual mean=-0.000126 rms=0.031143 Jy/beam ! Combined flux in latest and established models = 0.876537 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 0.876537 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.376914Jy sigma=0.005457 ! Fit after self-cal, rms=0.376918Jy sigma=0.005457 ! 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=1.361 mas, bmaj=8.567 mas, bpa=-8.802 degrees ! Estimated noise=1316.62 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 = 0.280466 Jy ! Component: 100 - total flux cleaned = 0.380974 Jy ! Total flux subtracted in 100 components = 0.380974 Jy ! Clean residual min=-0.028620 max=0.052152 Jy/beam ! Clean residual mean=-0.000192 rms=0.012983 Jy/beam ! Combined flux in latest and established models = 1.25751 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 51 model components to the UV plane model. ! The established model now contains 51 components and 1.25751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131988Jy sigma=0.001729 ! Fit after self-cal, rms=0.131652Jy sigma=0.001725 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.05 GC 1.00* HN 1.00* ! LA 0.99 NL 1.00* OV 1.06 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.98 ! KP 1.01 MA 1.00* MC 1.00* MK 0.94 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.92 GC 1.00* HN 1.00* ! LA 0.98 NL 1.05 OV 1.02 SC 1.01 ! WF 1.33 GG 1.00* HH 1.00* KK 1.00* ! KP 0.97 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.97 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.02 GC 1.00* HN 1.00* ! LA 0.96 NL 1.00* OV 1.10 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.98 ! KP 0.95 MA 1.00* MC 1.00* MK 0.95 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.91 GC 1.00* HN 1.00* ! LA 0.99 NL 1.05 OV 1.02 SC 1.09 ! WF 1.43 GG 1.00* HH 1.00* KK 1.00* ! KP 0.98 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.97 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.03 GC 1.00* HN 1.00* ! LA 0.99 NL 1.00* OV 1.07 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.99 ! KP 0.95 MA 1.00* MC 1.00* MK 0.93 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.91 GC 1.00* HN 1.00* ! LA 0.99 NL 1.03 OV 1.02 SC 0.94 ! WF 1.43 GG 1.00* HH 1.00* KK 1.00* ! KP 0.96 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.96 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HN 1.00* ! LA 0.94 NL 1.00* OV 1.05 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 1.00 ! KP 0.99 MA 1.00* MC 1.00* MK 0.94 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.91 GC 1.00* HN 1.00* ! LA 0.99 NL 1.03 OV 1.01 SC 0.97 ! WF 1.53 GG 1.00* HH 1.00* KK 1.00* ! KP 0.97 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.95 ! ! ! Fit before self-cal, rms=0.131652Jy sigma=0.001725 ! Fit after self-cal, rms=0.089115Jy sigma=0.001159 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.402 mas, bmaj=8.64 mas, bpa=-8.742 degrees ! Estimated noise=1279.04 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 = -0.000537954 Jy ! Component: 100 - total flux cleaned = -0.000778807 Jy ! Total flux subtracted in 100 components = -0.000778807 Jy ! Clean residual min=-0.008143 max=0.010285 Jy/beam ! Clean residual mean=-0.000074 rms=0.002463 Jy/beam ! Combined flux in latest and established models = 1.25673 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 58 components and 1.25673 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088854Jy sigma=0.001154 ! Fit after self-cal, rms=0.088739Jy sigma=0.001153 ! 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 = -0.000210759 Jy ! Component: 100 - total flux cleaned = -0.00012844 Jy ! Total flux subtracted in 100 components = -0.000128441 Jy ! Clean residual min=-0.007420 max=0.009516 Jy/beam ! Clean residual mean=-0.000073 rms=0.002338 Jy/beam ! Combined flux in latest and established models = 1.2566 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 62 components and 1.2566 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088596Jy sigma=0.001150 ! Fit after self-cal, rms=0.087129Jy sigma=0.001126 ! Inverting map and beam ! Estimated beam: bmin=1.404 mas, bmaj=8.643 mas, bpa=-8.742 degrees ! Estimated noise=1278.36 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 = -0.000986833 Jy ! Component: 100 - total flux cleaned = -0.00114366 Jy ! Total flux subtracted in 100 components = -0.00114366 Jy ! Clean residual min=-0.006895 max=0.009002 Jy/beam ! Clean residual mean=-0.000086 rms=0.002240 Jy/beam ! Combined flux in latest and established models = 1.25546 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 64 components and 1.25546 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087030Jy sigma=0.001123 ! Fit after self-cal, rms=0.086962Jy sigma=0.001123 ! 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 64 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: 1.404 x 8.643 at -8.742 degrees (North through East) ! Clean map min=-0.006989 max=1.1593 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=1.404 mas, bmaj=8.643 mas, bpa=-8.742 degrees ! Estimated noise=1278.36 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.404 x 8.643 at -8.742 degrees (North through East) ! Clean map min=-0.006989 max=1.1593 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 0920-397_X.log closed on Fri Jul 28 11:29:14 2006