! Started logfile: 1448+762_S.log on Thu Jul 26 22:59:11 2007 observe 1448+762_S.edt ! Reading UV FITS file: 1448+762_S.edt ! AN table 1: 69 integrations on 171 of 171 possible baselines. ! AN table 2: 5 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.357673 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1448+762 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1332 lines of history. ! ! Reading 18104 visibilities. ![@gonzo7-0.4 1448+762_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 593 telescope corrections were flagged in sub-array 1. ! A total of 21 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 609 telescope corrections were flagged in sub-array 1. ! A total of 18 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 595 telescope corrections were flagged in sub-array 1. ! A total of 18 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 594 telescope corrections were flagged in sub-array 1. ! A total of 20 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.802182Jy sigma=0.012460 ! Fit after self-cal, rms=0.801543Jy sigma=0.012461 ! 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=1.768 mas, bmaj=2.762 mas, bpa=-74.35 degrees ! Estimated noise=1174.87 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 = 0.145339 Jy ! Total flux subtracted in 50 components = 0.145339 Jy ! Clean residual min=-0.008812 max=0.040545 Jy/beam ! Clean residual mean=-0.000048 rms=0.002041 Jy/beam ! Combined flux in latest and established models = 0.145339 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 0.145339 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088074Jy sigma=0.001342 ! Fit after self-cal, rms=0.088075Jy sigma=0.001342 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0331531 Jy ! Total flux subtracted in 50 components = 0.0331531 Jy ! Clean residual min=-0.005651 max=0.012569 Jy/beam ! Clean residual mean=-0.000031 rms=0.001267 Jy/beam ! Combined flux in latest and established models = 0.178492 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 0.178492 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071723Jy sigma=0.001088 ! Fit after self-cal, rms=0.071717Jy sigma=0.001088 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0133043 Jy ! Total flux subtracted in 50 components = 0.0133043 Jy ! Clean residual min=-0.004909 max=0.005942 Jy/beam ! Clean residual mean=-0.000024 rms=0.001100 Jy/beam ! Combined flux in latest and established models = 0.191796 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 9 components and 0.191796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068123Jy sigma=0.001031 ! Fit after self-cal, rms=0.068118Jy sigma=0.001031 ! 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=2.46 mas, bmaj=4.344 mas, bpa=-81.57 degrees ! Estimated noise=434.916 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 = 0.0130744 Jy ! Component: 100 - total flux cleaned = 0.0187517 Jy ! Total flux subtracted in 100 components = 0.0187517 Jy ! Clean residual min=-0.003436 max=0.004373 Jy/beam ! Clean residual mean=-0.000039 rms=0.000890 Jy/beam ! Combined flux in latest and established models = 0.210548 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 25 components and 0.210548 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065971Jy sigma=0.000997 ! Fit after self-cal, rms=0.065960Jy sigma=0.000997 ! 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 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.10 GC 0.99 GG 1.00* ! HN 0.93 KP 0.90 LA 1.02 MA 1.00* ! MK 0.97 NL 0.99 NY 1.00* ON 1.00* ! OV 0.94 PT 1.02 SC 0.97 TC 1.00* ! TS 1.01 WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.20 GC 0.96 GG 1.00* ! HN 1.05 KP 0.87 LA 0.98 MA 1.09 ! MK 0.88 NL 1.00 NY 0.98 ON 1.02 ! OV 0.94 PT 1.00 SC 0.93 TC 1.00* ! TS 1.00* WF 1.19 WZ 1.22 ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.05 GC 0.95 GG 1.00* ! HN 0.99 KP 0.99 LA 0.99 MA 1.00* ! MK 1.05 NL 1.02 NY 1.00* ON 1.00* ! OV 1.01 PT 1.01 SC 1.01 TC 1.00* ! TS 1.00 WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 1.05 GC 0.86 GG 1.00* ! HN 0.80 KP 1.02 LA 1.01 MA 1.04 ! MK 1.05 NL 1.03 NY 0.97 ON 0.84 ! OV 0.96 PT 1.00 SC 1.06 TC 1.00* ! TS 1.00* WF 1.04 WZ 1.08 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 GC 1.04 GG 1.00* ! HN 1.01 KP 0.96 LA 0.85 MA 1.00* ! MK 1.02 NL 1.04 NY 1.00* ON 1.00* ! OV 1.03 PT 1.02 SC 1.12 TC 1.00* ! TS 0.98 WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 1.01 GC 1.04 GG 1.00* ! HN 0.84 KP 1.04 LA 0.89 MA 1.04 ! MK 0.89 NL 1.04 NY 0.96 ON 0.98 ! OV 0.95 PT 1.07 SC 1.00 TC 1.00* ! TS 1.00* WF 1.22 WZ 0.93 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.92 GC 1.10 GG 1.00* ! HN 0.86 KP 0.99 LA 0.80 MA 1.00* ! MK 0.95 NL 1.00 NY 1.00* ON 1.00* ! OV 0.90 PT 0.99 SC 1.14 TC 1.00* ! TS 1.10 WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.94 GC 1.07 GG 1.00* ! HN 0.95 KP 0.93 LA 0.78 MA 1.03 ! MK 0.90 NL 0.90 NY 0.95 ON 1.07 ! OV 0.85 PT 1.06 SC 1.10 TC 1.00* ! TS 1.00* WF 1.03 WZ 0.96 ! ! ! Fit before self-cal, rms=0.065960Jy sigma=0.000997 ! Fit after self-cal, rms=0.062552Jy sigma=0.000955 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.482 mas, bmaj=4.364 mas, bpa=-81.44 degrees ! Estimated noise=430.762 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 = 0.000357445 Jy ! Component: 100 - total flux cleaned = 0.000333287 Jy ! Total flux subtracted in 100 components = 0.000333287 Jy ! Clean residual min=-0.001936 max=0.002150 Jy/beam ! Clean residual mean=-0.000013 rms=0.000496 Jy/beam ! Combined flux in latest and established models = 0.210881 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 29 components and 0.210881 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062539Jy sigma=0.000955 ! Fit after self-cal, rms=0.062545Jy sigma=0.000955 ! 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 = 9.88072e-05 Jy ! Component: 100 - total flux cleaned = -2.11557e-05 Jy ! Total flux subtracted in 100 components = -2.11557e-05 Jy ! Clean residual min=-0.001956 max=0.002153 Jy/beam ! Clean residual mean=-0.000013 rms=0.000495 Jy/beam ! Combined flux in latest and established models = 0.21086 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 30 components and 0.21086 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062536Jy sigma=0.000955 ! Fit after self-cal, rms=0.060688Jy sigma=0.000923 ! Inverting map and beam ! Estimated beam: bmin=2.484 mas, bmaj=4.365 mas, bpa=-81.54 degrees ! Estimated noise=431.795 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 = 0.000386926 Jy ! Component: 100 - total flux cleaned = 0.000475025 Jy ! Total flux subtracted in 100 components = 0.000475025 Jy ! Clean residual min=-0.001912 max=0.001936 Jy/beam ! Clean residual mean=-0.000013 rms=0.000470 Jy/beam ! Combined flux in latest and established models = 0.211335 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 30 components and 0.211335 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060680Jy sigma=0.000923 ! Fit after self-cal, rms=0.060687Jy sigma=0.000923 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1448+762_S ! Writing UV FITS file: 1448+762_S.uvf ! Writing 30 model components to file: 1448+762_S.mod ! wwins: Wrote 1 windows to 1448+762_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.484 x 4.365 at -81.54 degrees (North through East) ! Clean map min=-0.0018396 max=0.19741 Jy/beam ! Writing clean map to FITS file: 1448+762_S.fits ! Writing difmap environment to: 1448+762_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1448+762_S] device 1448+762_Suv.ps/vps,1,2 ! Attempting to open device: '1448+762_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1448+762_Sim.ps/vps ! Attempting to open device: '1448+762_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=2.484 mas, bmaj=4.365 mas, bpa=-81.54 degrees ! Estimated noise=431.795 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.484 x 4.365 at -81.54 degrees (North through East) ! Clean map min=-0.0018396 max=0.19741 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1448+762_S.log closed on Thu Jul 26 22:59:23 2007