! Started logfile: 1420+326_X.log on Tue Aug 12 16:04:55 2008 observe 1420+326_X.edt ! Reading UV FITS file: 1420+326_X.edt ! AN table 1: 132 integrations on 171 of 171 possible baselines. ! AN table 2: 162 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.149361 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1420+326 ! ! 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 1530 lines of history. ! ! Reading 30036 visibilities. ![@gonzo7-0.1 1420+326_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 = 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 0.100x0.100 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 2323 telescope corrections were flagged in sub-array 1. ! A total of 1952 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2325 telescope corrections were flagged in sub-array 1. ! A total of 1952 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2331 telescope corrections were flagged in sub-array 1. ! A total of 1952 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2351 telescope corrections were flagged in sub-array 1. ! A total of 1952 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.725566Jy sigma=16.402751 ! Fit after self-cal, rms=0.724361Jy sigma=16.406810 ! 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=0.4694 mas, bmaj=0.8959 mas, bpa=12.45 degrees ! Estimated noise=0.489943 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 = 0.196133 Jy ! Total flux subtracted in 50 components = 0.196133 Jy ! Clean residual min=-0.013387 max=0.054742 Jy/beam ! Clean residual mean=-0.000045 rms=0.003178 Jy/beam ! Combined flux in latest and established models = 0.196133 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 0.196133 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.128409Jy sigma=2.671727 ! Fit after self-cal, rms=0.128409Jy sigma=2.671712 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0515482 Jy ! Total flux subtracted in 50 components = 0.0515482 Jy ! Clean residual min=-0.010111 max=0.023113 Jy/beam ! Clean residual mean=-0.000030 rms=0.002165 Jy/beam ! Combined flux in latest and established models = 0.247681 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 0.247681 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.101841Jy sigma=2.023767 ! Fit after self-cal, rms=0.101833Jy sigma=2.023707 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0254726 Jy ! Total flux subtracted in 50 components = 0.0254726 Jy ! Clean residual min=-0.009000 max=0.013477 Jy/beam ! Clean residual mean=-0.000022 rms=0.001812 Jy/beam ! Combined flux in latest and established models = 0.273154 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 8 components and 0.273154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.093716Jy sigma=1.811482 ! Fit after self-cal, rms=0.093703Jy sigma=1.811338 ! Inverting map ! Added new window around map position (-1.7, -1.7). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0153332 Jy ! Total flux subtracted in 50 components = 0.0153332 Jy ! Clean residual min=-0.007979 max=0.011080 Jy/beam ! Clean residual mean=-0.000019 rms=0.001687 Jy/beam ! Combined flux in latest and established models = 0.288487 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 14 components and 0.288487 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090839Jy sigma=1.742521 ! Fit after self-cal, rms=0.090817Jy sigma=1.741326 ! 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=0.6158 mas, bmaj=1.057 mas, bpa=7.409 degrees ! Estimated noise=0.229916 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 = 0.0178581 Jy ! Component: 100 - total flux cleaned = 0.0268776 Jy ! Total flux subtracted in 100 components = 0.0268776 Jy ! Clean residual min=-0.007505 max=0.011094 Jy/beam ! Clean residual mean=-0.000047 rms=0.001666 Jy/beam ! Combined flux in latest and established models = 0.315365 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 33 components and 0.315365 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087515Jy sigma=1.662205 ! Fit after self-cal, rms=0.087502Jy sigma=1.661953 ! Inverting map ! Added new window around map position (1.5, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0110119 Jy ! Component: 100 - total flux cleaned = 0.0158679 Jy ! Total flux subtracted in 100 components = 0.0158679 Jy ! Clean residual min=-0.006920 max=0.006462 Jy/beam ! Clean residual mean=-0.000031 rms=0.001363 Jy/beam ! Combined flux in latest and established models = 0.331232 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 48 components and 0.331232 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086233Jy sigma=1.629233 ! Fit after self-cal, rms=0.086141Jy sigma=1.626697 ! 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 81 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 0.99 HH 1.00* ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 1.00* NY 0.91 ! OV 1.00* PT 1.00* SC 1.00* TS 1.64 ! WF 1.00* WZ 0.81 GG 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.90 GC 1.49 HH 1.00* ! HN 1.08 KK 1.09 KP 1.08 LA 0.85 ! MA 1.00* MK 1.12 NL 1.04 NY 0.88 ! OV 0.96 PT 0.90 SC 1.14 TS 1.10 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 0.97 HH 1.00* ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 1.00* NY 0.85 ! OV 1.00* PT 1.00* SC 1.00* TS 1.56 ! WF 1.00* WZ 0.96 GG 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.09 FD 0.98 GC 1.14 HH 1.00* ! HN 0.94 KK 1.10 KP 0.98 LA 0.86 ! MA 1.00* MK 1.09 NL 0.89 NY 0.80 ! OV 1.01 PT 1.07 SC 0.98 TS 0.97 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 105 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 0.93 HH 1.00* ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 1.00* NY 1.03 ! OV 1.00* PT 1.00* SC 1.00* TS 1.50 ! WF 1.00* WZ 0.89 GG 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.98 GC 0.99 HH 1.00* ! HN 0.82 KK 1.06 KP 0.88 LA 1.04 ! MA 1.00* MK 1.10 NL 1.00 NY 0.93 ! OV 0.91 PT 0.99 SC 0.88 TS 1.01 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 4. ! A total of 105 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 0.97 HH 1.00* ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 1.00* NY 0.90 ! OV 1.00* PT 1.00* SC 1.00* TS 1.50 ! WF 1.00* WZ 0.84 GG 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.13 GC 0.95 HH 1.00* ! HN 0.89 KK 1.06 KP 0.89 LA 1.23 ! MA 1.00* MK 1.20 NL 1.00 NY 0.91 ! OV 1.02 PT 1.02 SC 0.93 TS 1.01 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.086141Jy sigma=1.626697 ! Fit after self-cal, rms=0.077196Jy sigma=1.364633 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6236 mas, bmaj=1.046 mas, bpa=8.511 degrees ! Estimated noise=0.228587 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 (0.5, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000602257 Jy ! Component: 100 - total flux cleaned = 0.00074446 Jy ! Total flux subtracted in 100 components = 0.00074446 Jy ! Clean residual min=-0.002716 max=0.002733 Jy/beam ! Clean residual mean=0.000002 rms=0.000542 Jy/beam ! Combined flux in latest and established models = 0.331977 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 58 components and 0.331977 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076881Jy sigma=1.358069 ! Fit after self-cal, rms=0.076874Jy sigma=1.357660 ! 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 = 0.00010238 Jy ! Component: 100 - total flux cleaned = 0.000291316 Jy ! Total flux subtracted in 100 components = 0.000291316 Jy ! Clean residual min=-0.002458 max=0.002314 Jy/beam ! Clean residual mean=0.000002 rms=0.000508 Jy/beam ! Combined flux in latest and established models = 0.332268 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 63 components and 0.332268 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076726Jy sigma=1.355011 ! Fit after self-cal, rms=0.077031Jy sigma=1.286686 ! Inverting map and beam ! Estimated beam: bmin=0.6242 mas, bmaj=1.047 mas, bpa=8.661 degrees ! Estimated noise=0.228971 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 = 2.42036e-05 Jy ! Component: 100 - total flux cleaned = 2.49344e-05 Jy ! Total flux subtracted in 100 components = 2.49344e-05 Jy ! Clean residual min=-0.001872 max=0.002046 Jy/beam ! Clean residual mean=0.000002 rms=0.000445 Jy/beam ! Combined flux in latest and established models = 0.332293 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 66 components and 0.332293 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076916Jy sigma=1.284878 ! Fit after self-cal, rms=0.076914Jy sigma=1.284714 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1420+326_X ! Writing UV FITS file: 1420+326_X.uvf ! Writing 66 model components to file: 1420+326_X.mod ! wwins: Wrote 4 windows to 1420+326_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6242 x 1.047 at 8.661 degrees (North through East) ! Clean map min=-0.00181 max=0.2699 Jy/beam ! Writing clean map to FITS file: 1420+326_X.fits ! Writing difmap environment to: 1420+326_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1420+326_X] device 1420+326_Xuv.ps/vps,1,2 ! Attempting to open device: '1420+326_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1420+326_Xim.ps/vps ! Attempting to open device: '1420+326_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=0.6242 mas, bmaj=1.047 mas, bpa=8.661 degrees ! Estimated noise=0.228971 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6242 x 1.047 at 8.661 degrees (North through East) ! Clean map min=-0.00181 max=0.2699 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1] quit ! Quitting program ! Log file 1420+326_X.log closed on Tue Aug 12 16:05:08 2008