! Started logfile: NRAO512_S.log on Mon Aug 25 17:06:29 2008 observe NRAO512_S.edt2 ! Reading UV FITS file: NRAO512_S.edt2 ! AN table 1: 53 integrations on 171 of 171 possible baselines. ! AN table 2: 75 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.330729 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 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 1619 lines of history. ! ! Reading 28956 visibilities. ![@gonzo7-0.4 NRAO512_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 510 telescope corrections were flagged in sub-array 1. ! A total of 897 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 506 telescope corrections were flagged in sub-array 1. ! A total of 898 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 516 telescope corrections were flagged in sub-array 1. ! A total of 898 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 518 telescope corrections were flagged in sub-array 1. ! A total of 899 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.249225Jy sigma=4.469398 ! Fit after self-cal, rms=0.247817Jy sigma=4.460044 ! 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=2.141 mas, bmaj=3.07 mas, bpa=1.947 degrees ! Estimated noise=0.651685 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 = 0.593786 Jy ! Total flux subtracted in 50 components = 0.593786 Jy ! Clean residual min=-0.023602 max=0.165695 Jy/beam ! Clean residual mean=-0.000031 rms=0.006058 Jy/beam ! Combined flux in latest and established models = 0.593786 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 0.593786 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243796Jy sigma=4.428898 ! Fit after self-cal, rms=0.243796Jy sigma=4.428898 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.133265 Jy ! Total flux subtracted in 50 components = 0.133265 Jy ! Clean residual min=-0.012921 max=0.047218 Jy/beam ! Clean residual mean=-0.000012 rms=0.003374 Jy/beam ! Combined flux in latest and established models = 0.727051 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 6 components and 0.727051 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154243Jy sigma=2.583544 ! Fit after self-cal, rms=0.154242Jy sigma=2.583513 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0495191 Jy ! Total flux subtracted in 50 components = 0.0495191 Jy ! Clean residual min=-0.011733 max=0.023451 Jy/beam ! Clean residual mean=-0.000004 rms=0.002827 Jy/beam ! Combined flux in latest and established models = 0.77657 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 17 components and 0.77657 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136288Jy sigma=2.169141 ! Fit after self-cal, rms=0.136272Jy sigma=2.168981 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0283457 Jy ! Total flux subtracted in 50 components = 0.0283457 Jy ! Clean residual min=-0.011381 max=0.016357 Jy/beam ! Clean residual mean=-0.000000 rms=0.002618 Jy/beam ! Combined flux in latest and established models = 0.804916 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 20 components and 0.804916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129851Jy sigma=2.017621 ! Fit after self-cal, rms=0.129845Jy sigma=2.017543 ! 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=2.684 mas, bmaj=4.037 mas, bpa=-0.682 degrees ! Estimated noise=0.313951 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 = 0.0261707 Jy ! Component: 100 - total flux cleaned = 0.0379824 Jy ! Total flux subtracted in 100 components = 0.0379824 Jy ! Clean residual min=-0.009104 max=0.015009 Jy/beam ! Clean residual mean=0.000159 rms=0.002728 Jy/beam ! Combined flux in latest and established models = 0.842898 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 31 components and 0.842898 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125107Jy sigma=1.924458 ! Fit after self-cal, rms=0.125101Jy sigma=1.924278 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 GC 1.05 HH 1.00* ! HN 1.03 KK 0.99 KP 1.01 LA 1.01 ! MA 1.00* MK 1.02 NL 1.01 NY 0.99 ! OV 1.02 PT 0.95 SC 0.98 TS 1.08 ! WF 1.00 WZ 0.95 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.91 FD 1.07 GC 0.95 HH 1.00* ! HN 0.94 KK 0.79 KP 0.90 LA 1.07 ! MA 1.00* MK 0.86 NL 0.95 NY 1.09 ! OV 1.00 PT 1.03 SC 0.78 TS 1.04 ! WF 0.95 WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 GC 1.07 HH 1.00* ! HN 1.03 KK 1.02 KP 1.01 LA 1.01 ! MA 1.23 MK 1.01 NL 1.03 NY 1.03 ! OV 1.02 PT 0.97 SC 1.01 TS 1.09 ! WF 1.00 WZ 0.94 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 FD 0.99 GC 0.88 HH 1.00* ! HN 0.98 KK 0.82 KP 1.00 LA 1.07 ! MA 1.00* MK 0.92 NL 1.08 NY 1.05 ! OV 0.94 PT 0.89 SC 0.97 TS 1.05 ! WF 0.95 WZ 1.00* GG 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 1.07 FD 1.01 GC 1.17 HH 1.00* ! HN 1.03 KK 0.98 KP 1.00 LA 1.02 ! MA 1.06 MK 1.04 NL 1.04 NY 1.02 ! OV 1.03 PT 0.97 SC 1.01 TS 1.08 ! WF 1.01 WZ 0.94 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.96 GC 0.97 HH 1.00* ! HN 1.21 KK 0.82 KP 1.08 LA 0.91 ! MA 1.00* MK 0.96 NL 1.06 NY 1.11 ! OV 1.03 PT 0.94 SC 1.08 TS 1.05 ! WF 0.99 WZ 1.00* GG 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 1.02 FD 1.02 GC 1.26 HH 1.00* ! HN 1.04 KK 1.06 KP 1.01 LA 1.04 ! MA 1.09 MK 1.03 NL 1.03 NY 1.04 ! OV 1.03 PT 0.97 SC 1.03 TS 1.12 ! WF 1.02 WZ 0.95 GG 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.88 GC 0.99 HH 1.00* ! HN 1.17 KK 0.86 KP 1.12 LA 0.79 ! MA 1.00* MK 0.90 NL 1.02 NY 1.15 ! OV 0.95 PT 0.94 SC 1.02 TS 1.04 ! WF 0.97 WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.125101Jy sigma=1.924278 ! Fit after self-cal, rms=0.100778Jy sigma=1.327178 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.686 mas, bmaj=4.082 mas, bpa=-0.8942 degrees ! Estimated noise=0.312198 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 (-4.4, -2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00314723 Jy ! Component: 100 - total flux cleaned = 0.00393461 Jy ! Total flux subtracted in 100 components = 0.00393461 Jy ! Clean residual min=-0.002966 max=0.004591 Jy/beam ! Clean residual mean=0.000311 rms=0.000739 Jy/beam ! Combined flux in latest and established models = 0.846833 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 44 components and 0.846833 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100121Jy sigma=1.314693 ! Fit after self-cal, rms=0.100108Jy sigma=1.313804 ! Inverting map ! Added new window around map position (4.4, -10). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0032395 Jy ! Component: 100 - total flux cleaned = 0.00461288 Jy ! Total flux subtracted in 100 components = 0.00461288 Jy ! Clean residual min=-0.002381 max=0.003654 Jy/beam ! Clean residual mean=0.000286 rms=0.000697 Jy/beam ! Combined flux in latest and established models = 0.851446 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 51 components and 0.851446 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099773Jy sigma=1.308338 ! Fit after self-cal, rms=0.099771Jy sigma=1.308096 ! 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 = 0.00135999 Jy ! Component: 100 - total flux cleaned = 0.00241577 Jy ! Total flux subtracted in 100 components = 0.00241577 Jy ! Clean residual min=-0.002328 max=0.003523 Jy/beam ! Clean residual mean=0.000274 rms=0.000680 Jy/beam ! Combined flux in latest and established models = 0.853862 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 53 components and 0.853862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099594Jy sigma=1.305135 ! Fit after self-cal, rms=0.097059Jy sigma=1.226541 ! Inverting map and beam ! Estimated beam: bmin=2.685 mas, bmaj=4.078 mas, bpa=-1.066 degrees ! Estimated noise=0.311834 mJy/beam. ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00256013 Jy ! Component: 100 - total flux cleaned = 0.00329595 Jy ! Total flux subtracted in 100 components = 0.00329595 Jy ! Clean residual min=-0.001866 max=0.002644 Jy/beam ! Clean residual mean=0.000190 rms=0.000554 Jy/beam ! Combined flux in latest and established models = 0.857158 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 66 components and 0.857158 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096862Jy sigma=1.223369 ! Fit after self-cal, rms=0.096813Jy sigma=1.217120 ! Inverting map and beam ! Estimated beam: bmin=2.683 mas, bmaj=4.08 mas, bpa=-1.157 degrees ! Estimated noise=0.311804 mJy/beam. ! Added new window around map position (4, 2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178206 Jy ! Component: 100 - total flux cleaned = 0.0024384 Jy ! Total flux subtracted in 100 components = 0.0024384 Jy ! Clean residual min=-0.001909 max=0.002390 Jy/beam ! Clean residual mean=0.000155 rms=0.000523 Jy/beam ! Combined flux in latest and established models = 0.859596 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 72 components and 0.859596 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096667Jy sigma=1.214997 ! Fit after self-cal, rms=0.096702Jy sigma=1.213109 ! Inverting map and beam ! Estimated beam: bmin=2.682 mas, bmaj=4.081 mas, bpa=-1.217 degrees ! Estimated noise=0.31174 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 = 0.000841084 Jy ! Component: 100 - total flux cleaned = 0.00148045 Jy ! Total flux subtracted in 100 components = 0.00148045 Jy ! Clean residual min=-0.001888 max=0.002301 Jy/beam ! Clean residual mean=0.000127 rms=0.000506 Jy/beam ! Combined flux in latest and established models = 0.861077 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 75 components and 0.861077 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096602Jy sigma=1.211743 ! Fit after self-cal, rms=0.096599Jy sigma=1.211627 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save NRAO512_S ! Writing UV FITS file: NRAO512_S.uvf ! Writing 75 model components to file: NRAO512_S.mod ! wwins: Wrote 4 windows to NRAO512_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.682 x 4.081 at -1.217 degrees (North through East) ! Clean map min=-0.0017913 max=0.78201 Jy/beam ! Writing clean map to FITS file: NRAO512_S.fits ! Writing difmap environment to: NRAO512_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot NRAO512_S] device NRAO512_Suv.ps/vps,1,2 ! Attempting to open device: 'NRAO512_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device NRAO512_Sim.ps/vps ! Attempting to open device: 'NRAO512_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=2.682 mas, bmaj=4.081 mas, bpa=-1.217 degrees ! Estimated noise=0.31174 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.682 x 4.081 at -1.217 degrees (North through East) ! Clean map min=-0.0017913 max=0.78201 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file NRAO512_S.log closed on Mon Aug 25 17:06:41 2008