! Started logfile: CTA26_X.log on Tue Aug 8 10:51:30 2006 observe CTA26_X.edt ! Reading UV FITS file: CTA26_X.edt ! AN table 1: 6 integrations on 190 of 190 possible baselines. ! AN table 2: 19 integrations on 190 of 190 possible baselines. ! AN table 3: 12 integrations on 190 of 190 possible baselines. ! AN table 4: 34 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0859896 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: CTA26 ! ! 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 4640 visibilities. ![@gonzo8-0.1 CTA26_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 120 telescope corrections were flagged in sub-array 1. ! A total of 335 telescope corrections were flagged in sub-array 2. ! A total of 206 telescope corrections were flagged in sub-array 3. ! A total of 491 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 335 telescope corrections were flagged in sub-array 2. ! A total of 206 telescope corrections were flagged in sub-array 3. ! A total of 492 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 335 telescope corrections were flagged in sub-array 2. ! A total of 205 telescope corrections were flagged in sub-array 3. ! A total of 490 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 120 telescope corrections were flagged in sub-array 1. ! A total of 335 telescope corrections were flagged in sub-array 2. ! A total of 206 telescope corrections were flagged in sub-array 3. ! A total of 489 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.483226Jy sigma=0.007850 ! Fit after self-cal, rms=0.483877Jy sigma=0.007872 ! 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=0.5876 mas, bmaj=1.356 mas, bpa=-0.4162 degrees ! Estimated noise=1405.33 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 = 0.867241 Jy ! Total flux subtracted in 50 components = 0.867241 Jy ! Clean residual min=-0.079457 max=0.301486 Jy/beam ! Clean residual mean=0.000156 rms=0.029111 Jy/beam ! Combined flux in latest and established models = 0.867241 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.867241 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.560917Jy sigma=0.008930 ! Fit after self-cal, rms=0.560555Jy sigma=0.008921 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.315691 Jy ! Total flux subtracted in 50 components = 0.315691 Jy ! Clean residual min=-0.043126 max=0.135884 Jy/beam ! Clean residual mean=0.000117 rms=0.015795 Jy/beam ! Combined flux in latest and established models = 1.18293 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 8 components and 1.18293 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325455Jy sigma=0.005210 ! Fit after self-cal, rms=0.323097Jy sigma=0.005183 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.149117 Jy ! Total flux subtracted in 50 components = 0.149117 Jy ! Clean residual min=-0.029539 max=0.082994 Jy/beam ! Clean residual mean=0.000099 rms=0.010274 Jy/beam ! Combined flux in latest and established models = 1.33205 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 15 components and 1.33205 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.229622Jy sigma=0.003628 ! Fit after self-cal, rms=0.228605Jy sigma=0.003616 ! Inverting map ! Added new window around map position (1.4, 0.1). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0865849 Jy ! Total flux subtracted in 50 components = 0.0865849 Jy ! Clean residual min=-0.023563 max=0.052671 Jy/beam ! Clean residual mean=0.000086 rms=0.007684 Jy/beam ! Combined flux in latest and established models = 1.41863 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 27 components and 1.41863 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183877Jy sigma=0.002848 ! Fit after self-cal, rms=0.182488Jy sigma=0.002830 ! 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=0.7029 mas, bmaj=2.04 mas, bpa=0.1663 degrees ! Estimated noise=804.511 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 = 0.0991435 Jy ! Component: 100 - total flux cleaned = 0.147649 Jy ! Total flux subtracted in 100 components = 0.147649 Jy ! Clean residual min=-0.020985 max=0.040762 Jy/beam ! Clean residual mean=0.000115 rms=0.008064 Jy/beam ! Combined flux in latest and established models = 1.56628 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 38 model components to the UV plane model. ! The established model now contains 56 components and 1.56628 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.134150Jy sigma=0.001924 ! Fit after self-cal, rms=0.132033Jy sigma=0.001893 ! 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* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.96 GC 1.00* HN 1.00* ! LA 1.07 NL 1.07 OV 0.93 SC 1.01 ! WF 1.00* 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 0.96 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* HN 1.00* ! LA 1.00* NL 1.00* OV 1.00* SC 1.00* ! WF 1.00* GG 1.00* HH 1.01 KK 1.00* ! KP 1.00* MA 1.02 MC 0.94 MK 1.00* ! NY 1.16 TS 1.00* WZ 1.04 PT 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.02 FD 0.96 GC 1.02 HN 1.00* ! LA 0.98 NL 1.07 OV 1.02 SC 1.00* ! WF 1.00 GG 1.00* HH 1.00* KK 0.98 ! KP 0.98 MA 1.00* MC 1.00* MK 1.00 ! NY 1.00* TS 1.09 WZ 1.00* PT 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.96 GC 1.00* HN 1.00* ! LA 1.08 NL 1.08 OV 0.97 SC 1.50 ! WF 1.00* 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 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* HN 1.00* ! LA 1.00* NL 1.00* OV 1.00* SC 1.00* ! WF 1.00* GG 1.00* HH 1.18 KK 1.00* ! KP 1.00* MA 1.04 MC 0.93 MK 1.00* ! NY 1.19 TS 1.00* WZ 1.01 PT 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 0.94 GC 1.01 HN 1.00* ! LA 0.98 NL 1.06 OV 1.02 SC 1.00* ! WF 0.93 GG 1.00* HH 1.00* KK 0.95 ! KP 0.98 MA 1.00* MC 1.00* MK 0.99 ! NY 1.00* TS 1.08 WZ 1.00* PT 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.95 GC 1.00* HN 1.00* ! LA 1.05 NL 1.07 OV 0.94 SC 1.00 ! WF 1.00* GG 1.00* HH 1.00* KK 1.00* ! KP 1.01 MA 1.00* MC 1.00* MK 1.00* ! NY 1.00* TS 1.00* WZ 1.00* PT 0.92 ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* HN 1.00* ! LA 1.00* NL 1.00* OV 1.00* SC 1.00* ! WF 1.00* GG 1.00* HH 1.12 KK 1.00* ! KP 1.00* MA 1.05 MC 0.98 MK 1.00* ! NY 1.21 TS 1.00* WZ 0.99 PT 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.99 FD 0.94 GC 1.02 HN 1.00* ! LA 0.97 NL 1.06 OV 1.01 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.97 ! KP 0.96 MA 1.00* MC 1.00* MK 0.98 ! NY 1.00* TS 0.95 WZ 1.00* PT 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.93 GC 1.00* HN 1.00* ! LA 1.13 NL 1.02 OV 0.97 SC 0.98 ! WF 1.00* 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 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* HN 1.00* ! LA 1.00* NL 1.00* OV 1.00* SC 1.00* ! WF 1.00* GG 1.00* HH 0.88 KK 1.00* ! KP 1.00* MA 1.08 MC 0.97 MK 1.00* ! NY 1.14 TS 1.00* WZ 1.01 PT 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.98 FD 0.95 GC 1.01 HN 1.00* ! LA 0.97 NL 1.05 OV 1.00 SC 1.00* ! WF 0.89 GG 1.00* HH 1.00* KK 0.97 ! KP 0.97 MA 1.00* MC 1.00* MK 0.99 ! NY 1.00* TS 0.92 WZ 1.00* PT 0.96 ! ! ! Fit before self-cal, rms=0.132033Jy sigma=0.001893 ! Fit after self-cal, rms=0.102530Jy sigma=0.001418 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7035 mas, bmaj=2.061 mas, bpa=0.349 degrees ! Estimated noise=793.923 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 (4.6, 2.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0198035 Jy ! Component: 100 - total flux cleaned = 0.0219084 Jy ! Total flux subtracted in 100 components = 0.0219084 Jy ! Clean residual min=-0.008119 max=0.010541 Jy/beam ! Clean residual mean=-0.000033 rms=0.002282 Jy/beam ! Combined flux in latest and established models = 1.58819 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 74 components and 1.58819 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099053Jy sigma=0.001357 ! Fit after self-cal, rms=0.098529Jy sigma=0.001350 ! 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 = 0.00479062 Jy ! Component: 100 - total flux cleaned = 0.00559739 Jy ! Total flux subtracted in 100 components = 0.00559739 Jy ! Clean residual min=-0.007617 max=0.009665 Jy/beam ! Clean residual mean=-0.000035 rms=0.002121 Jy/beam ! Combined flux in latest and established models = 1.59379 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 86 components and 1.59379 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097742Jy sigma=0.001336 ! Fit after self-cal, rms=0.095156Jy sigma=0.001296 ! Inverting map and beam ! Estimated beam: bmin=0.7054 mas, bmaj=2.059 mas, bpa=0.3184 degrees ! Estimated noise=795.302 mJy/beam. ! Added new window around map position (2.5, 2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0115324 Jy ! Component: 100 - total flux cleaned = 0.01283 Jy ! Total flux subtracted in 100 components = 0.01283 Jy ! Clean residual min=-0.006677 max=0.007449 Jy/beam ! Clean residual mean=-0.000004 rms=0.001757 Jy/beam ! Combined flux in latest and established models = 1.60662 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 99 components and 1.60662 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.093787Jy sigma=0.001274 ! Fit after self-cal, rms=0.093187Jy sigma=0.001267 ! Inverting map and beam ! Estimated beam: bmin=0.706 mas, bmaj=2.055 mas, bpa=0.3094 degrees ! Estimated noise=796.172 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 = 0.00815206 Jy ! Component: 100 - total flux cleaned = 0.00856334 Jy ! Total flux subtracted in 100 components = 0.00856334 Jy ! Clean residual min=-0.006043 max=0.006472 Jy/beam ! Clean residual mean=-0.000004 rms=0.001563 Jy/beam ! Combined flux in latest and established models = 1.61518 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 107 components and 1.61518 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.092465Jy sigma=0.001255 ! Fit after self-cal, rms=0.092313Jy sigma=0.001254 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save CTA26_X ! Writing UV FITS file: CTA26_X.uvf ! Writing 107 model components to file: CTA26_X.mod ! wwins: Wrote 4 windows to CTA26_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.706 x 2.055 at 0.3094 degrees (North through East) ! Clean map min=-0.0058193 max=1.1249 Jy/beam ! Writing clean map to FITS file: CTA26_X.fits ! Writing difmap environment to: CTA26_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot CTA26_X] device CTA26_Xuv.ps/vps,1,2 ! Attempting to open device: 'CTA26_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device CTA26_Xim.ps/vps ! Attempting to open device: 'CTA26_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=0.706 mas, bmaj=2.055 mas, bpa=0.3094 degrees ! Estimated noise=796.172 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.706 x 2.055 at 0.3094 degrees (North through East) ! Clean map min=-0.0058193 max=1.1249 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file CTA26_X.log closed on Tue Aug 8 10:51:51 2006