! Started logfile: 1451-400_X.log on Sun Sep 9 20:54:50 2007 observe 1451-400_X.edt ! Reading UV FITS file: 1451-400_X.edt ! AN table 1: 32 integrations on 171 of 171 possible baselines. ! AN table 2: 124 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0754236 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1451-400 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 2124 lines of history. ! ! Reading 8048 visibilities. ![@gonzo5-0.1 1451-400_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 = 5.0 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 544 telescope corrections were flagged in sub-array 1. ! A total of 1979 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 546 telescope corrections were flagged in sub-array 1. ! A total of 1988 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 547 telescope corrections were flagged in sub-array 1. ! A total of 2007 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 548 telescope corrections were flagged in sub-array 1. ! A total of 1998 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.597658Jy sigma=0.006871 ! Fit after self-cal, rms=0.596421Jy sigma=0.006912 ! 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=0.8181 mas, bmaj=2.026 mas, bpa=-2.296 degrees ! Estimated noise=3167.53 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) ! Added new window around map position (0, 0). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.30556 Jy ! Total flux subtracted in 50 components = 0.30556 Jy ! Clean residual min=-0.028005 max=0.085221 Jy/beam ! Clean residual mean=-0.000040 rms=0.010640 Jy/beam ! Combined flux in latest and established models = 0.30556 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 0.30556 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151494Jy sigma=0.001930 ! Fit after self-cal, rms=0.151493Jy sigma=0.001930 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0704541 Jy ! Total flux subtracted in 50 components = 0.0704542 Jy ! Clean residual min=-0.021655 max=0.037410 Jy/beam ! Clean residual mean=0.000040 rms=0.006944 Jy/beam ! Combined flux in latest and established models = 0.376015 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 0.376015 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.111734Jy sigma=0.001376 ! Fit after self-cal, rms=0.111722Jy sigma=0.001376 ! Inverting map ! Added new window around map position (-1.4, -0.9). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0370052 Jy ! Total flux subtracted in 50 components = 0.0370052 Jy ! Clean residual min=-0.020568 max=0.032177 Jy/beam ! Clean residual mean=0.000078 rms=0.005790 Jy/beam ! Combined flux in latest and established models = 0.41302 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 20 components and 0.41302 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.098230Jy sigma=0.001196 ! Fit after self-cal, rms=0.097361Jy sigma=0.001185 ! 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=0.9689 mas, bmaj=4.97 mas, bpa=-3.17 degrees ! Estimated noise=1123.73 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 = 0.0438823 Jy ! Component: 100 - total flux cleaned = 0.0676201 Jy ! Total flux subtracted in 100 components = 0.0676201 Jy ! Clean residual min=-0.016609 max=0.019170 Jy/beam ! Clean residual mean=0.000326 rms=0.006246 Jy/beam ! Combined flux in latest and established models = 0.48064 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 41 model components to the UV plane model. ! The established model now contains 58 components and 0.48064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080636Jy sigma=0.000940 ! Fit after self-cal, rms=0.080557Jy sigma=0.000939 ! 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 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HN 1.00* KP 0.99 LA 0.96 MA 1.00* ! MK 0.96 NL 1.00* NY 1.00* ON 1.00* ! OV 0.94 PT 0.94 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.94 GC 1.00* GG 1.00* ! HN 1.00* KP 0.98 LA 0.95 MA 1.00* ! MK 1.00* NL 1.25 NY 1.00* ON 1.00* ! OV 1.00* PT 1.03 SC 1.00 TC 0.99 ! TS 1.00* WF 1.05 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* GG 1.00* ! HN 1.00* KP 0.96 LA 0.94 MA 1.00* ! MK 0.98 NL 1.00* NY 1.00* ON 1.00* ! OV 0.93 PT 0.95 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 GC 1.00* GG 1.00* ! HN 1.00* KP 0.94 LA 0.94 MA 1.00* ! MK 1.00* NL 1.26 NY 1.00* ON 1.00* ! OV 1.00* PT 1.08 SC 1.00 TC 0.97 ! TS 1.00* WF 1.08 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 GC 1.00* GG 1.00* ! HN 1.00* KP 0.89 LA 1.02 MA 1.00* ! MK 1.04 NL 1.00* NY 1.00* ON 1.00* ! OV 0.97 PT 0.98 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.94 GC 1.00* GG 1.00* ! HN 1.00* KP 0.90 LA 0.93 MA 1.00* ! MK 1.00* NL 1.19 NY 1.00* ON 1.00* ! OV 1.00* PT 1.08 SC 1.04 TC 1.00 ! TS 1.00* WF 1.08 WZ 1.00* ! ! ! 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 1.00 GC 1.00* GG 1.00* ! HN 1.00* KP 0.89 LA 0.93 MA 1.00* ! MK 1.01 NL 1.00* NY 1.00* ON 1.00* ! OV 0.96 PT 0.98 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.94 GC 1.00* GG 1.00* ! HN 1.00* KP 0.91 LA 0.94 MA 1.00* ! MK 1.00* NL 1.16 NY 1.00* ON 1.00* ! OV 1.00* PT 1.09 SC 1.08 TC 0.90 ! TS 1.00* WF 1.13 WZ 1.00* ! ! ! Fit before self-cal, rms=0.080557Jy sigma=0.000939 ! Fit after self-cal, rms=0.069972Jy sigma=0.000818 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9817 mas, bmaj=5.038 mas, bpa=-3.011 degrees ! Estimated noise=1110.46 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 (-6.9, -4.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0114099 Jy ! Component: 100 - total flux cleaned = 0.0168652 Jy ! Total flux subtracted in 100 components = 0.0168652 Jy ! Clean residual min=-0.007949 max=0.005713 Jy/beam ! Clean residual mean=-0.000258 rms=0.001976 Jy/beam ! Combined flux in latest and established models = 0.497505 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 78 components and 0.497505 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068293Jy sigma=0.000797 ! Fit after self-cal, rms=0.068142Jy sigma=0.000795 ! 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 = 0.00473635 Jy ! Component: 100 - total flux cleaned = 0.00588726 Jy ! Total flux subtracted in 100 components = 0.00588726 Jy ! Clean residual min=-0.007808 max=0.005252 Jy/beam ! Clean residual mean=-0.000263 rms=0.001776 Jy/beam ! Combined flux in latest and established models = 0.503392 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 96 components and 0.503393 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067806Jy sigma=0.000791 ! Fit after self-cal, rms=0.063972Jy sigma=0.000753 ! Inverting map and beam ! Estimated beam: bmin=0.9802 mas, bmaj=5.034 mas, bpa=-2.993 degrees ! Estimated noise=1105.93 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 = 0.00410477 Jy ! Component: 100 - total flux cleaned = 0.00571051 Jy ! Total flux subtracted in 100 components = 0.00571051 Jy ! Clean residual min=-0.006110 max=0.004711 Jy/beam ! Clean residual mean=-0.000177 rms=0.001394 Jy/beam ! Combined flux in latest and established models = 0.509103 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 119 components and 0.509103 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063716Jy sigma=0.000750 ! Fit after self-cal, rms=0.063683Jy sigma=0.000749 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1451-400_X ! Writing UV FITS file: 1451-400_X.uvf ! Writing 119 model components to file: 1451-400_X.mod ! wwins: Wrote 3 windows to 1451-400_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9802 x 5.034 at -2.993 degrees (North through East) ! Clean map min=-0.0061445 max=0.39673 Jy/beam ! Writing clean map to FITS file: 1451-400_X.fits ! Writing difmap environment to: 1451-400_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1451-400_X] device 1451-400_Xuv.ps/vps,1,2 ! Attempting to open device: '1451-400_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1451-400_Xim.ps/vps ! Attempting to open device: '1451-400_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=0.9802 mas, bmaj=5.034 mas, bpa=-2.993 degrees ! Estimated noise=1105.93 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9802 x 5.034 at -2.993 degrees (North through East) ! Clean map min=-0.0061445 max=0.39673 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo5-0.1] quit ! Quitting program ! Log file 1451-400_X.log closed on Sun Sep 9 20:54:57 2007