! Started logfile: 1622-253_X.log_1 on Wed Jul 27 09:29:20 2005 observe 1622-253_X.edt ! Reading UV FITS file: 1622-253_X.edt ! AN table 1: 16 integrations on 171 of 171 possible baselines. ! AN table 2: 21 integrations on 171 of 171 possible baselines. ! AN table 3: 5 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.112782 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1622-253 ! ! 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 1818 lines of history. ! ! Reading 3240 visibilities. ![@gonzo8-0.1 1622-253_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 236 telescope corrections were flagged in sub-array 1. ! A total of 283 telescope corrections were flagged in sub-array 2. ! A total of 95 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 236 telescope corrections were flagged in sub-array 1. ! A total of 283 telescope corrections were flagged in sub-array 2. ! A total of 95 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 236 telescope corrections were flagged in sub-array 1. ! A total of 282 telescope corrections were flagged in sub-array 2. ! A total of 95 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 236 telescope corrections were flagged in sub-array 1. ! A total of 283 telescope corrections were flagged in sub-array 2. ! A total of 95 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.613302Jy sigma=0.010128 ! Fit after self-cal, rms=0.613260Jy sigma=0.010128 ! 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=0.8226 mas, bmaj=2.167 mas, bpa=5.441 degrees ! Estimated noise=1454.21 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 = 1.20478 Jy ! Total flux subtracted in 50 components = 1.20478 Jy ! Clean residual min=-0.061533 max=0.336003 Jy/beam ! Clean residual mean=0.001766 rms=0.025690 Jy/beam ! Combined flux in latest and established models = 1.20478 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 1.20478 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.421899Jy sigma=0.007059 ! Fit after self-cal, rms=0.421899Jy sigma=0.007059 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.28002 Jy ! Total flux subtracted in 50 components = 0.28002 Jy ! Clean residual min=-0.025439 max=0.097120 Jy/beam ! Clean residual mean=0.000841 rms=0.010770 Jy/beam ! Combined flux in latest and established models = 1.4848 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 11 components and 1.4848 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200444Jy sigma=0.003307 ! Fit after self-cal, rms=0.200439Jy sigma=0.003307 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0977383 Jy ! Total flux subtracted in 50 components = 0.0977383 Jy ! Clean residual min=-0.020625 max=0.046386 Jy/beam ! Clean residual mean=0.000519 rms=0.007089 Jy/beam ! Combined flux in latest and established models = 1.58254 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 34 components and 1.58254 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151677Jy sigma=0.002333 ! Fit after self-cal, rms=0.151644Jy sigma=0.002333 ! 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=1.142 mas, bmaj=2.943 mas, bpa=-1.104 degrees ! Estimated noise=970.708 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 = 0.0755719 Jy ! Component: 100 - total flux cleaned = 0.109615 Jy ! Total flux subtracted in 100 components = 0.109615 Jy ! Clean residual min=-0.017227 max=0.024651 Jy/beam ! Clean residual mean=0.000190 rms=0.005663 Jy/beam ! Combined flux in latest and established models = 1.69216 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 44 model components to the UV plane model. ! The established model now contains 78 components and 1.69216 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122309Jy sigma=0.001664 ! Fit after self-cal, rms=0.122212Jy sigma=0.001663 ! 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 1.01 FD 0.97 GC 1.00* HH 1.00* ! HN 0.98 KK 1.00* KP 0.99 LA 0.98 ! MC 1.00* MK 1.00* NL 0.94 NY 1.00* ! ON 1.00* OV 1.00 PT 0.98 SC 0.99 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.98 GC 1.00* HH 1.00* ! HN 1.04 KK 1.00* KP 1.00 LA 1.02 ! MC 1.00* MK 1.00 NL 1.10 NY 1.00* ! ON 1.00* OV 0.98 PT 0.96 SC 1.01 ! TS 1.00* WF 1.00* WZ 1.00* ! ! 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 1.00 FD 0.95 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 0.98 LA 0.99 ! MC 1.00* MK 1.00* NL 0.95 NY 1.00* ! ON 1.00* OV 1.02 PT 0.98 SC 1.03 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.97 GC 1.00* HH 1.00* ! HN 1.03 KK 1.00* KP 0.99 LA 1.02 ! MC 1.00* MK 1.00 NL 1.07 NY 1.00* ! ON 1.00* OV 0.98 PT 0.97 SC 1.02 ! TS 1.00* WF 1.00* WZ 1.00* ! ! 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 1.00 FD 0.96 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 0.98 LA 0.99 ! MC 1.00* MK 1.00* NL 0.95 NY 1.00* ! ON 1.00* OV 1.02 PT 0.98 SC 1.00 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 GC 1.00* HH 1.00* ! HN 1.04 KK 1.00* KP 0.98 LA 1.00 ! MC 1.00* MK 1.01 NL 1.05 NY 1.00* ! ON 1.00* OV 0.99 PT 0.98 SC 1.01 ! TS 1.00* WF 1.00* WZ 1.00* ! ! 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 0.99 FD 0.97 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 1.00 LA 0.98 ! MC 1.00* MK 1.00* NL 0.94 NY 1.00* ! ON 1.00* OV 1.01 PT 0.99 SC 1.06 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.99 GC 1.00* HH 1.00* ! HN 1.05 KK 1.00* KP 1.00 LA 1.03 ! MC 1.00* MK 1.01 NL 1.07 NY 1.00* ! ON 1.00* OV 0.98 PT 0.99 SC 1.01 ! TS 1.00* WF 1.00* WZ 1.00* ! ! 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=0.122212Jy sigma=0.001663 ! Fit after self-cal, rms=0.098251Jy sigma=0.001273 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.148 mas, bmaj=2.969 mas, bpa=-1.127 degrees ! Estimated noise=963.958 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 = -0.000992103 Jy ! Component: 100 - total flux cleaned = -0.0011466 Jy ! Total flux subtracted in 100 components = -0.0011466 Jy ! Clean residual min=-0.009217 max=0.013178 Jy/beam ! Clean residual mean=0.000057 rms=0.002262 Jy/beam ! Combined flux in latest and established models = 1.69101 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 83 components and 1.69101 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097941Jy sigma=0.001269 ! Fit after self-cal, rms=0.097910Jy sigma=0.001269 ! 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 = 0.000131514 Jy ! Component: 100 - total flux cleaned = 0.000260571 Jy ! Total flux subtracted in 100 components = 0.000260571 Jy ! Clean residual min=-0.009235 max=0.013083 Jy/beam ! Clean residual mean=0.000056 rms=0.002245 Jy/beam ! Combined flux in latest and established models = 1.69127 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 87 components and 1.69127 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097722Jy sigma=0.001266 ! Fit after self-cal, rms=0.093694Jy sigma=0.001211 ! Inverting map and beam ! Estimated beam: bmin=1.148 mas, bmaj=2.98 mas, bpa=-1.198 degrees ! Estimated noise=964.301 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 = -0.0027278 Jy ! Component: 100 - total flux cleaned = -0.00272156 Jy ! Total flux subtracted in 100 components = -0.00272156 Jy ! Clean residual min=-0.005850 max=0.008955 Jy/beam ! Clean residual mean=0.000044 rms=0.001816 Jy/beam ! Combined flux in latest and established models = 1.68855 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 94 components and 1.68855 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.093163Jy sigma=0.001205 ! Fit after self-cal, rms=0.093145Jy sigma=0.001205 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1622-253_X ! Writing UV FITS file: 1622-253_X.uvf ! Writing 94 model components to file: 1622-253_X.mod ! wwins: Wrote 1 windows to 1622-253_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.148 x 2.98 at -1.198 degrees (North through East) ! Clean map min=-0.0057472 max=1.5718 Jy/beam ! Writing clean map to FITS file: 1622-253_X.fits ! Writing difmap environment to: 1622-253_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1622-253_X] device 1622-253_Xuv.ps/vps,1,2 ! Attempting to open device: '1622-253_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1622-253_Xim.ps/vps ! Attempting to open device: '1622-253_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=1.148 mas, bmaj=2.98 mas, bpa=-1.198 degrees ! Estimated noise=964.301 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.148 x 2.98 at -1.198 degrees (North through East) ! Clean map min=-0.0057472 max=1.5718 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 1622-253_X.log_1 closed on Wed Jul 27 09:29:35 2005