! Started logfile: 1451-375_X.log on Tue Mar 25 10:58:02 2008 observe 1451-375_X.edt ! Reading UV FITS file: 1451-375_X.edt ! AN table 1: 6 integrations on 136 of 136 possible baselines. ! AN table 2: 3 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0522876 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1451-375 ! ! 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 1214 lines of history. ! ! Reading 256 visibilities. ![@gonzo8-0.1-pw 1451-375_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 73 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 73 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 76 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 76 telescope corrections were flagged in sub-array 1. ! A total of 51 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.251792Jy sigma=0.003381 ! Fit after self-cal, rms=0.251075Jy sigma=0.003383 ! 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=0.7219 mas, bmaj=7.89 mas, bpa=4.547 degrees ! Estimated noise=4322.24 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 = 0.82997 Jy ! Total flux subtracted in 50 components = 0.82997 Jy ! Clean residual min=-0.083108 max=0.231504 Jy/beam ! Clean residual mean=-0.000911 rms=0.046486 Jy/beam ! Combined flux in latest and established models = 0.82997 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 0.82997 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.362693Jy sigma=0.004978 ! Fit after self-cal, rms=0.362697Jy sigma=0.004977 ! 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=0.8442 mas, bmaj=7.589 mas, bpa=5.122 degrees ! Estimated noise=3741.55 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 = 0.273907 Jy ! Component: 100 - total flux cleaned = 0.394618 Jy ! Total flux subtracted in 100 components = 0.394618 Jy ! Clean residual min=-0.030465 max=0.053741 Jy/beam ! Clean residual mean=-0.000291 rms=0.015915 Jy/beam ! Combined flux in latest and established models = 1.22459 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 12 components and 1.22459 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.118619Jy sigma=0.001537 ! Fit after self-cal, rms=0.118355Jy sigma=0.001534 ! 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 0.97 GC 1.00* HN 1.00* ! KK 1.01 KP 0.96 LA 1.00* MC 1.00* ! MK 0.98 NL 1.00* NY 1.00* ON 1.00* ! OV 0.98 PT 0.93 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 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* WF 0.00* ! WZ 0.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* HN 1.00* ! KK 1.02 KP 1.03 LA 1.00* MC 1.00* ! MK 0.98 NL 1.00* NY 1.00* ON 1.00* ! OV 0.97 PT 0.93 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 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* WF 0.00* ! WZ 0.00* ! ! ! 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 0.96 GC 1.00* HN 1.00* ! KK 1.01 KP 1.00 LA 1.00* MC 1.00* ! MK 0.98 NL 1.00* NY 1.00* ON 1.00* ! OV 0.97 PT 0.94 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 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* WF 0.00* ! WZ 0.00* ! ! ! 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 0.98 GC 1.00* HN 1.00* ! KK 1.02 KP 1.02 LA 1.00* MC 1.00* ! MK 0.98 NL 1.00* NY 1.00* ON 1.00* ! OV 0.96 PT 0.94 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 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* WF 0.00* ! WZ 0.00* ! ! ! Fit before self-cal, rms=0.118355Jy sigma=0.001534 ! Fit after self-cal, rms=0.094885Jy sigma=0.001176 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8652 mas, bmaj=7.438 mas, bpa=4.95 degrees ! Estimated noise=3698.92 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 = 0.0263964 Jy ! Component: 100 - total flux cleaned = 0.0376936 Jy ! Total flux subtracted in 100 components = 0.0376936 Jy ! Clean residual min=-0.012059 max=0.018525 Jy/beam ! Clean residual mean=0.000073 rms=0.005488 Jy/beam ! Combined flux in latest and established models = 1.26228 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 44 components and 1.26228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087318Jy sigma=0.001089 ! Fit after self-cal, rms=0.087123Jy sigma=0.001087 ! 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 = 0.00706441 Jy ! Component: 100 - total flux cleaned = 0.0100284 Jy ! Total flux subtracted in 100 components = 0.0100284 Jy ! Clean residual min=-0.012766 max=0.018582 Jy/beam ! Clean residual mean=0.000107 rms=0.005422 Jy/beam ! Combined flux in latest and established models = 1.27231 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 66 components and 1.27231 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086441Jy sigma=0.001081 ! Fit after self-cal, rms=0.083422Jy sigma=0.001052 ! Inverting map and beam ! Estimated beam: bmin=0.8609 mas, bmaj=7.441 mas, bpa=4.923 degrees ! Estimated noise=3688.41 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 = 0.00967704 Jy ! Component: 100 - total flux cleaned = 0.00919208 Jy ! Total flux subtracted in 100 components = 0.00919208 Jy ! Clean residual min=-0.009451 max=0.015103 Jy/beam ! Clean residual mean=0.000062 rms=0.003886 Jy/beam ! Combined flux in latest and established models = 1.2815 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 34 model components to the UV plane model. ! The established model now contains 86 components and 1.2815 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082168Jy sigma=0.001035 ! Fit after self-cal, rms=0.082134Jy sigma=0.001035 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1451-375_X ! Writing UV FITS file: 1451-375_X.uvf ! Writing 86 model components to file: 1451-375_X.mod ! wwins: Wrote 1 windows to 1451-375_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8609 x 7.441 at 4.923 degrees (North through East) ! Clean map min=-0.009252 max=1.084 Jy/beam ! Writing clean map to FITS file: 1451-375_X.fits ! Writing difmap environment to: 1451-375_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1451-375_X] device 1451-375_Xuv.ps/vps,1,2 ! Attempting to open device: '1451-375_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1451-375_Xim.ps/vps ! Attempting to open device: '1451-375_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=0.8609 mas, bmaj=7.441 mas, bpa=4.923 degrees ! Estimated noise=3688.41 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8609 x 7.441 at 4.923 degrees (North through East) ! Clean map min=-0.009252 max=1.084 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1-pw] quit ! Quitting program ! Log file 1451-375_X.log closed on Tue Mar 25 10:58:06 2008