! Started logfile: 1921-293_S.log on Fri Aug 19 12:21:56 2005 observe 1921-293_S.edt ! Reading UV FITS file: 1921-293_S.edt ! AN table 1: 52 integrations on 171 of 171 possible baselines. ! AN table 2: 48 integrations on 171 of 171 possible baselines. ! AN table 3: 6 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0356394 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1921-293 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1565 lines of history. ! ! Reading 2584 visibilities. ![@gonzo7-0.4 1921-293_S] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.4 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 0.400x0.400 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 988 telescope corrections were flagged in sub-array 1. ! A total of 848 telescope corrections were flagged in sub-array 2. ! A total of 102 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 988 telescope corrections were flagged in sub-array 1. ! A total of 848 telescope corrections were flagged in sub-array 2. ! A total of 102 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 988 telescope corrections were flagged in sub-array 1. ! A total of 852 telescope corrections were flagged in sub-array 2. ! A total of 102 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 988 telescope corrections were flagged in sub-array 1. ! A total of 851 telescope corrections were flagged in sub-array 2. ! A total of 102 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=6.683228Jy sigma=0.081428 ! Fit after self-cal, rms=7.151411Jy sigma=0.087377 ! 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=2.455 mas, bmaj=19.29 mas, bpa=8.93 degrees ! Estimated noise=3335.26 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 = 4.8611 Jy ! Total flux subtracted in 50 components = 4.8611 Jy ! Clean residual min=-0.693196 max=1.584434 Jy/beam ! Clean residual mean=0.115081 rms=0.350407 Jy/beam ! Combined flux in latest and established models = 4.8611 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 7 components and 4.8611 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.925157Jy sigma=0.046955 ! Fit after self-cal, rms=3.925058Jy sigma=0.046954 ! 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=3.238 mas, bmaj=19.92 mas, bpa=6.276 degrees ! Estimated noise=2529.87 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 = 2.73629 Jy ! Component: 100 - total flux cleaned = 4.02234 Jy ! Total flux subtracted in 100 components = 4.02234 Jy ! Clean residual min=-0.291914 max=0.682670 Jy/beam ! Clean residual mean=0.038025 rms=0.163612 Jy/beam ! Combined flux in latest and established models = 8.88344 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 22 components and 8.88344 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.197360Jy sigma=0.015720 ! Fit after self-cal, rms=1.195574Jy sigma=0.015692 ! 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* ! 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 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* HH 1.00* ! HN 1.00* KK 1.00* KP 0.94 LA 0.92 ! MC 1.00* MK 1.25 NL 1.00* NY 1.00* ! ON 1.00* OV 0.97 PT 0.93 SC 1.03 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! 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* ! 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 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.92 LA 0.92 ! MC 1.00* MK 1.22 NL 1.00* NY 1.00* ! ON 1.00* OV 0.96 PT 0.92 SC 1.25 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! 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* ! 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 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.93 LA 0.90 ! MC 1.00* MK 1.23 NL 1.00* NY 1.00* ! ON 1.00* OV 0.96 PT 0.91 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! 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* ! 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 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.91 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.93 LA 0.95 ! MC 1.00* MK 0.68 NL 1.00* NY 1.00* ! ON 1.00* OV 0.99 PT 0.91 SC 1.36 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 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* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=1.195574Jy sigma=0.015692 ! Fit after self-cal, rms=0.295372Jy sigma=0.004091 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.757 mas, bmaj=22.93 mas, bpa=2.379 degrees ! Estimated noise=2647.79 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 = -0.00282576 Jy ! Component: 100 - total flux cleaned = 0.000538048 Jy ! Total flux subtracted in 100 components = 0.000538048 Jy ! Clean residual min=-0.081110 max=0.117584 Jy/beam ! Clean residual mean=0.001497 rms=0.025493 Jy/beam ! Combined flux in latest and established models = 8.88398 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 31 components and 8.88398 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.248511Jy sigma=0.003328 ! Fit after self-cal, rms=0.247962Jy sigma=0.003314 ! 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 = 0.00639024 Jy ! Component: 100 - total flux cleaned = 0.0076022 Jy ! Total flux subtracted in 100 components = 0.0076022 Jy ! Clean residual min=-0.065690 max=0.097066 Jy/beam ! Clean residual mean=0.001300 rms=0.022349 Jy/beam ! Combined flux in latest and established models = 8.89158 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 38 components and 8.89158 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.236826Jy sigma=0.003139 ! Fit after self-cal, rms=0.185381Jy sigma=0.002476 ! Inverting map and beam ! Estimated beam: bmin=3.759 mas, bmaj=22.92 mas, bpa=2.34 degrees ! Estimated noise=2647.72 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) ! Added new window around map position (4.4, 54.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0455802 Jy ! Component: 100 - total flux cleaned = 0.0444752 Jy ! Total flux subtracted in 100 components = 0.0444752 Jy ! Clean residual min=-0.042521 max=0.034355 Jy/beam ! Clean residual mean=-0.001181 rms=0.010795 Jy/beam ! Combined flux in latest and established models = 8.93606 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 64 components and 8.93605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155711Jy sigma=0.002072 ! Fit after self-cal, rms=0.154736Jy sigma=0.002059 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1921-293_S ! Writing UV FITS file: 1921-293_S.uvf ! Writing 64 model components to file: 1921-293_S.mod ! wwins: Wrote 2 windows to 1921-293_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.759 x 22.92 at 2.34 degrees (North through East) ! Clean map min=-0.043086 max=6.9167 Jy/beam ! Writing clean map to FITS file: 1921-293_S.fits ! Writing difmap environment to: 1921-293_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1921-293_S] device 1921-293_Suv.ps/vps,1,2 ! Attempting to open device: '1921-293_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1921-293_Sim.ps/vps ! Attempting to open device: '1921-293_Sim.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=3.759 mas, bmaj=22.92 mas, bpa=2.34 degrees ! Estimated noise=2647.72 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.759 x 22.92 at 2.34 degrees (North through East) ! Clean map min=-0.043086 max=6.9167 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1921-293_S.log closed on Fri Aug 19 12:22:38 2005