! Started logfile: NGC1052_X.log on Wed Apr 2 00:13:49 2008 observe NGC1052_X.edt ! Reading UV FITS file: NGC1052_X.edt ! AN table 1: 42 integrations on 136 of 136 possible baselines. ! AN table 2: 31 integrations on 136 of 136 possible baselines. ! AN table 3: 33 integrations on 136 of 136 possible baselines. ! AN table 4: 34 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0782038 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: NGC1052 ! ! 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 1230 lines of history. ! ! Reading 5956 visibilities. ![@gonzo8-0.1 NGC1052_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 672 telescope corrections were flagged in sub-array 1. ! A total of 411 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! A total of 523 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 674 telescope corrections were flagged in sub-array 1. ! A total of 411 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! A total of 530 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 679 telescope corrections were flagged in sub-array 1. ! A total of 415 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! A total of 536 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 663 telescope corrections were flagged in sub-array 1. ! A total of 415 telescope corrections were flagged in sub-array 2. ! A total of 561 telescope corrections were flagged in sub-array 3. ! A total of 534 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.358020Jy sigma=0.006210 ! Fit after self-cal, rms=0.352412Jy sigma=0.006183 ! 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=1.052 mas, bmaj=2.426 mas, bpa=7.246 degrees ! Estimated noise=3364.41 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 = 0.573685 Jy ! Total flux subtracted in 50 components = 0.573685 Jy ! Clean residual min=-0.082150 max=0.225325 Jy/beam ! Clean residual mean=0.000899 rms=0.032017 Jy/beam ! Combined flux in latest and established models = 0.573685 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 18 components and 0.573685 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.470203Jy sigma=0.009288 ! Fit after self-cal, rms=0.470279Jy sigma=0.009288 ! 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=2.041 mas, bmaj=4.594 mas, bpa=-5.792 degrees ! Estimated noise=1119.76 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 = 0.355946 Jy ! Component: 100 - total flux cleaned = 0.466379 Jy ! Total flux subtracted in 100 components = 0.466379 Jy ! Clean residual min=-0.064688 max=0.088512 Jy/beam ! Clean residual mean=-0.002088 rms=0.028560 Jy/beam ! Combined flux in latest and established models = 1.04006 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 35 model components to the UV plane model. ! The established model now contains 50 components and 1.04006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181991Jy sigma=0.003037 ! Fit after self-cal, rms=0.182381Jy sigma=0.003033 ! 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 1.03 FD 0.99 GC 1.00* HN 1.16 ! KK 1.00* KP 0.97 LA 0.97 MC 1.00* ! MK 1.38 NL 1.00* NY 1.00* ON 1.00* ! OV 0.98 PT 0.97 SC 1.18 WF 0.99 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 GC 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 0.98 MC 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 0.97 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! 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* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.09 FD 0.97 GC 1.00* HN 0.98 ! KK 1.00* KP 0.98 LA 0.98 MC 1.00* ! MK 1.00* NL 0.94 NY 1.00* ON 1.00* ! OV 1.01 PT 0.97 SC 1.12 WF 0.97 ! WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.97 GC 1.22 HN 0.99 ! KK 1.00* KP 0.98 LA 0.97 MC 1.00* ! MK 1.13 NL 1.01 NY 1.00* ON 1.00* ! OV 0.98 PT 0.97 SC 1.13 WF 1.00 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 GC 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 0.98 MC 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 0.97 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! 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* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.12 FD 0.97 GC 1.00* HN 0.95 ! KK 1.00* KP 0.98 LA 0.98 MC 1.00* ! MK 1.00* NL 0.99 NY 1.00* ON 1.00* ! OV 1.00 PT 0.97 SC 1.03 WF 0.98 ! WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 GC 1.24 HN 1.08 ! KK 1.00* KP 0.97 LA 0.98 MC 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 0.98 PT 0.97 SC 1.36 WF 1.00 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 GC 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 0.98 MC 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 0.97 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! 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* ! ! Telescope amplitude corrections in sub-array 4: ! BR 1.15 FD 0.97 GC 1.00* HN 0.98 ! KK 1.00* KP 0.99 LA 0.98 MC 1.00* ! MK 1.00* NL 0.97 NY 1.00* ON 1.00* ! OV 1.02 PT 0.97 SC 1.08 WF 0.96 ! 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 1.08 FD 0.98 GC 1.15 HN 1.05 ! KK 0.63 KP 0.98 LA 0.97 MC 1.00* ! MK 1.00* NL 0.97 NY 1.00* ON 1.00* ! OV 0.98 PT 0.97 SC 1.24 WF 1.06 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 GC 1.00* HN 1.00* ! KK 1.00* KP 0.97 LA 0.98 MC 1.00* ! MK 1.00* NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 0.97 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.16 FD 0.97 GC 1.00* HN 0.96 ! KK 1.00* KP 1.00 LA 0.98 MC 1.00* ! MK 1.00* NL 0.97 NY 1.00* ON 1.00* ! OV 0.99 PT 0.97 SC 1.00 WF 0.99 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.182381Jy sigma=0.003033 ! Fit after self-cal, rms=0.172124Jy sigma=0.002886 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.076 mas, bmaj=4.854 mas, bpa=-7.627 degrees ! Estimated noise=1075.73 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 = 0.00608041 Jy ! Component: 100 - total flux cleaned = 0.00675501 Jy ! Total flux subtracted in 100 components = 0.00675501 Jy ! Clean residual min=-0.051495 max=0.094129 Jy/beam ! Clean residual mean=-0.001939 rms=0.024879 Jy/beam ! Combined flux in latest and established models = 1.04682 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 55 components and 1.04682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171226Jy sigma=0.002874 ! Fit after self-cal, rms=0.171788Jy sigma=0.002871 ! 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 = 0.00149085 Jy ! Component: 100 - total flux cleaned = 0.00117286 Jy ! Total flux subtracted in 100 components = 0.00117286 Jy ! Clean residual min=-0.051206 max=0.093685 Jy/beam ! Clean residual mean=-0.001931 rms=0.024741 Jy/beam ! Combined flux in latest and established models = 1.04799 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 57 components and 1.04799 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.171078Jy sigma=0.002863 ! Fit after self-cal, rms=0.171682Jy sigma=0.002855 ! Inverting map and beam ! Estimated beam: bmin=2.086 mas, bmaj=4.897 mas, bpa=-8.048 degrees ! Estimated noise=1079.69 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 = 0.00472003 Jy ! Component: 100 - total flux cleaned = 0.00534573 Jy ! Total flux subtracted in 100 components = 0.00534573 Jy ! Clean residual min=-0.051317 max=0.093547 Jy/beam ! Clean residual mean=-0.001948 rms=0.024642 Jy/beam ! Combined flux in latest and established models = 1.05334 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 58 components and 1.05334 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.170992Jy sigma=0.002845 ! Fit after self-cal, rms=0.171445Jy sigma=0.002843 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save NGC1052_X ! Writing UV FITS file: NGC1052_X.uvf ! Writing 58 model components to file: NGC1052_X.mod ! wwins: Wrote 1 windows to NGC1052_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.086 x 4.897 at -8.048 degrees (North through East) ! Clean map min=-0.051088 max=0.84179 Jy/beam ! Writing clean map to FITS file: NGC1052_X.fits ! Writing difmap environment to: NGC1052_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot NGC1052_X] device NGC1052_Xuv.ps/vps,1,2 ! Attempting to open device: 'NGC1052_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device NGC1052_Xim.ps/vps ! Attempting to open device: 'NGC1052_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=2.086 mas, bmaj=4.897 mas, bpa=-8.048 degrees ! Estimated noise=1079.69 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.086 x 4.897 at -8.048 degrees (North through East) ! Clean map min=-0.051088 max=0.84179 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file NGC1052_X.log closed on Wed Apr 2 00:13:54 2008