! Started logfile: NRAO512_X.log on Wed Apr 2 00:18:49 2008 observe NRAO512_X.edt ! Reading UV FITS file: NRAO512_X.edt ! AN table 1: 81 integrations on 136 of 136 possible baselines. ! AN table 2: 2 integrations on 136 of 136 possible baselines. ! AN table 3: 59 integrations on 136 of 136 possible baselines. ! AN table 4: 53 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.312707 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: NRAO512 ! ! 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 1215 lines of history. ! ! Reading 33172 visibilities. ![@gonzo8-0.1 NRAO512_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 565 telescope corrections were flagged in sub-array 1. ! A total of 34 telescope corrections were flagged in sub-array 2. ! A total of 771 telescope corrections were flagged in sub-array 3. ! A total of 597 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 566 telescope corrections were flagged in sub-array 1. ! A total of 34 telescope corrections were flagged in sub-array 2. ! A total of 768 telescope corrections were flagged in sub-array 3. ! A total of 602 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 565 telescope corrections were flagged in sub-array 1. ! A total of 34 telescope corrections were flagged in sub-array 2. ! A total of 770 telescope corrections were flagged in sub-array 3. ! A total of 593 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 575 telescope corrections were flagged in sub-array 1. ! A total of 34 telescope corrections were flagged in sub-array 2. ! A total of 811 telescope corrections were flagged in sub-array 3. ! A total of 620 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.224052Jy sigma=0.003026 ! Fit after self-cal, rms=0.222980Jy sigma=0.003024 ! 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=0.5996 mas, bmaj=0.827 mas, bpa=-15.48 degrees ! Estimated noise=748.684 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 = 0.604026 Jy ! Total flux subtracted in 50 components = 0.604026 Jy ! Clean residual min=-0.023751 max=0.168561 Jy/beam ! Clean residual mean=-0.000162 rms=0.006583 Jy/beam ! Combined flux in latest and established models = 0.604026 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 0.604026 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.295121Jy sigma=0.005199 ! Fit after self-cal, rms=0.295121Jy sigma=0.005199 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.146523 Jy ! Total flux subtracted in 50 components = 0.146523 Jy ! Clean residual min=-0.016925 max=0.062314 Jy/beam ! Clean residual mean=-0.000113 rms=0.004246 Jy/beam ! Combined flux in latest and established models = 0.750549 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.750549 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.190761Jy sigma=0.003359 ! Fit after self-cal, rms=0.190754Jy sigma=0.003359 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0747085 Jy ! Total flux subtracted in 50 components = 0.0747085 Jy ! Clean residual min=-0.013257 max=0.039549 Jy/beam ! Clean residual mean=-0.000088 rms=0.003376 Jy/beam ! Combined flux in latest and established models = 0.825258 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 20 components and 0.825258 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153147Jy sigma=0.002595 ! Fit after self-cal, rms=0.153110Jy sigma=0.002595 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0482751 Jy ! Total flux subtracted in 50 components = 0.0482751 Jy ! Clean residual min=-0.011385 max=0.025770 Jy/beam ! Clean residual mean=-0.000071 rms=0.002919 Jy/beam ! Combined flux in latest and established models = 0.873533 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 25 components and 0.873533 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.134635Jy sigma=0.002167 ! Fit after self-cal, rms=0.134614Jy sigma=0.002167 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0321921 Jy ! Total flux subtracted in 50 components = 0.0321921 Jy ! Clean residual min=-0.011404 max=0.021454 Jy/beam ! Clean residual mean=-0.000060 rms=0.002683 Jy/beam ! Combined flux in latest and established models = 0.905725 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 37 components and 0.905725 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125817Jy sigma=0.001932 ! Fit after self-cal, rms=0.125788Jy sigma=0.001931 ! 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=0.8962 mas, bmaj=1.183 mas, bpa=-11.22 degrees ! Estimated noise=307.876 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 = 0.0428085 Jy ! Component: 100 - total flux cleaned = 0.0635046 Jy ! Total flux subtracted in 100 components = 0.0635046 Jy ! Clean residual min=-0.009444 max=0.024442 Jy/beam ! Clean residual mean=0.000165 rms=0.003193 Jy/beam ! Combined flux in latest and established models = 0.969229 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 62 components and 0.969229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.117145Jy sigma=0.001630 ! Fit after self-cal, rms=0.117100Jy sigma=0.001630 ! Inverting map ! Added new window around map position (-0.5, -2.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0234537 Jy ! Component: 100 - total flux cleaned = 0.0360529 Jy ! Total flux subtracted in 100 components = 0.0360529 Jy ! Clean residual min=-0.008327 max=0.018475 Jy/beam ! Clean residual mean=-0.000057 rms=0.002386 Jy/beam ! Combined flux in latest and established models = 1.00528 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 83 components and 1.00528 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.113878Jy sigma=0.001536 ! Fit after self-cal, rms=0.113615Jy sigma=0.001529 ! 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 0.98 FD 0.97 GC 1.04 HN 0.98 ! KK 1.00* KP 0.98 LA 0.98 MC 0.87 ! MK 0.93 NL 1.05 NY 0.93 ON 0.97 ! OV 0.98 PT 0.96 SC 1.04 WF 0.97 ! WZ 1.06 ! ! 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* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.07 GC 1.07 HN 1.00 ! KK 1.00* KP 1.00* LA 1.02 MC 0.89 ! MK 1.00* NL 0.90 NY 1.01 ON 0.90 ! OV 1.00* PT 1.05 SC 1.03 WF 1.00 ! WZ 1.10 ! ! A total of 18 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.95 FD 0.94 GC 1.05 HN 0.94 ! KK 0.96 KP 0.94 LA 0.93 MC 1.24 ! MK 0.93 NL 1.12 NY 0.92 ON 1.00 ! OV 0.93 PT 0.94 SC 1.02 WF 0.93 ! WZ 1.25 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 GC 1.12 HN 0.98 ! KK 1.00* KP 0.98 LA 1.00 MC 0.88 ! MK 0.93 NL 1.06 NY 0.94 ON 0.95 ! OV 0.96 PT 0.97 SC 1.06 WF 0.96 ! WZ 0.99 ! ! 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* ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.05 GC 1.12 HN 0.99 ! KK 1.09 KP 1.00* LA 1.05 MC 0.88 ! MK 1.00* NL 0.89 NY 0.99 ON 0.92 ! OV 1.00* PT 1.03 SC 1.03 WF 0.97 ! WZ 1.06 ! ! A total of 9 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.96 FD 0.93 GC 1.13 HN 0.93 ! KK 0.97 KP 0.95 LA 0.93 MC 1.23 ! MK 0.93 NL 1.11 NY 0.94 ON 0.99 ! OV 0.92 PT 0.97 SC 1.03 WF 0.93 ! WZ 1.03 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 GC 1.20 HN 0.98 ! KK 1.00* KP 1.01 LA 0.99 MC 0.92 ! MK 1.00* NL 1.08 NY 0.94 ON 0.97 ! OV 0.98 PT 0.98 SC 1.03 WF 1.04 ! WZ 1.04 ! ! 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* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 1.07 GC 1.13 HN 1.02 ! KK 1.31 KP 1.00* LA 1.03 MC 0.91 ! MK 1.00* NL 0.89 NY 0.99 ON 0.90 ! OV 1.00* PT 1.02 SC 1.08 WF 0.98 ! WZ 1.12 ! ! A total of 21 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 1.00 FD 0.96 GC 1.16 HN 0.95 ! KK 0.96 KP 0.98 LA 0.94 MC 1.33 ! MK 0.95 NL 1.09 NY 0.95 ON 1.00 ! OV 0.94 PT 0.98 SC 1.06 WF 1.03 ! WZ 1.05 ! ! ! 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 1.02 HN 1.01 ! KK 0.99 KP 0.99 LA 1.01 MC 0.93 ! MK 0.94 NL 1.03 NY 0.95 ON 0.93 ! OV 0.99 PT 0.99 SC 1.07 WF 1.08 ! 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* ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 1.07 GC 1.15 HN 1.02 ! KK 1.21 KP 1.00* LA 1.06 MC 0.98 ! MK 1.00* NL 0.90 NY 1.00 ON 0.91 ! OV 1.00* PT 1.04 SC 1.03 WF 1.01 ! WZ 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 1.09 HN 0.97 ! KK 0.97 KP 0.96 LA 0.96 MC 1.39 ! MK 0.96 NL 1.09 NY 0.98 ON 1.02 ! OV 0.95 PT 1.03 SC 1.10 WF 1.10 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.113615Jy sigma=0.001529 ! Fit after self-cal, rms=0.096972Jy sigma=0.001208 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8992 mas, bmaj=1.195 mas, bpa=-10.29 degrees ! Estimated noise=307.249 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 = -0.00436482 Jy ! Component: 100 - total flux cleaned = -0.00486359 Jy ! Total flux subtracted in 100 components = -0.00486359 Jy ! Clean residual min=-0.003407 max=0.005454 Jy/beam ! Clean residual mean=0.000157 rms=0.000810 Jy/beam ! Combined flux in latest and established models = 1.00042 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 89 components and 1.00042 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096528Jy sigma=0.001203 ! Fit after self-cal, rms=0.096532Jy sigma=0.001203 ! 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) ! Added new window around map position (1.4, 0.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00196437 Jy ! Component: 100 - total flux cleaned = 0.00212004 Jy ! Total flux subtracted in 100 components = 0.00212004 Jy ! Clean residual min=-0.003342 max=0.004335 Jy/beam ! Clean residual mean=0.000147 rms=0.000760 Jy/beam ! Combined flux in latest and established models = 1.00254 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 100 components and 1.00254 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096182Jy sigma=0.001198 ! Fit after self-cal, rms=0.092924Jy sigma=0.001145 ! Inverting map and beam ! Estimated beam: bmin=0.8992 mas, bmaj=1.191 mas, bpa=-10.39 degrees ! Estimated noise=306.857 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 = -0.00198481 Jy ! Component: 100 - total flux cleaned = -0.00234129 Jy ! Total flux subtracted in 100 components = -0.00234129 Jy ! Clean residual min=-0.002148 max=0.002517 Jy/beam ! Clean residual mean=0.000145 rms=0.000506 Jy/beam ! Combined flux in latest and established models = 1.0002 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 112 components and 1.0002 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.092717Jy sigma=0.001142 ! Fit after self-cal, rms=0.092699Jy sigma=0.001142 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save NRAO512_X ! Writing UV FITS file: NRAO512_X.uvf ! Writing 112 model components to file: NRAO512_X.mod ! wwins: Wrote 3 windows to NRAO512_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8992 x 1.191 at -10.39 degrees (North through East) ! Clean map min=-0.0020451 max=0.84321 Jy/beam ! Writing clean map to FITS file: NRAO512_X.fits ! Writing difmap environment to: NRAO512_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot NRAO512_X] device NRAO512_Xuv.ps/vps,1,2 ! Attempting to open device: 'NRAO512_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device NRAO512_Xim.ps/vps ! Attempting to open device: 'NRAO512_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=0.8992 mas, bmaj=1.191 mas, bpa=-10.39 degrees ! Estimated noise=306.857 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8992 x 1.191 at -10.39 degrees (North through East) ! Clean map min=-0.0020451 max=0.84321 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file NRAO512_X.log closed on Wed Apr 2 00:18:58 2008