! Started logfile: 1921-293_S.log on Mon Aug 25 11:36:18 2008 observe 1921-293_S.edt ! Reading UV FITS file: 1921-293_S.edt ! AN table 1: 8 integrations on 171 of 171 possible baselines. ! AN table 2: 12 integrations on 171 of 171 possible baselines. ! AN table 3: 10 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0430799 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1921-293 ! ! 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 1615 lines of history. ! ! Reading 884 visibilities. ![@gonzo7-0.4 1921-293_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 140 telescope corrections were flagged in sub-array 1. ! A total of 228 telescope corrections were flagged in sub-array 2. ! A total of 132 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 140 telescope corrections were flagged in sub-array 1. ! A total of 228 telescope corrections were flagged in sub-array 2. ! A total of 132 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 140 telescope corrections were flagged in sub-array 1. ! A total of 228 telescope corrections were flagged in sub-array 2. ! A total of 132 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 140 telescope corrections were flagged in sub-array 1. ! A total of 228 telescope corrections were flagged in sub-array 2. ! A total of 132 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=4.583386Jy sigma=43.206958 ! Fit after self-cal, rms=4.583429Jy sigma=43.206944 ! 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=1.365 mas, bmaj=5.146 mas, bpa=38.45 degrees ! Estimated noise=4.22312 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 = 2.66312 Jy ! Total flux subtracted in 50 components = 2.66312 Jy ! Clean residual min=-0.527501 max=1.148730 Jy/beam ! Clean residual mean=0.034230 rms=0.218651 Jy/beam ! Combined flux in latest and established models = 2.66313 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 2.66313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=3.574801Jy sigma=33.852360 ! Fit after self-cal, rms=3.573005Jy sigma=33.749182 ! 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=1.706 mas, bmaj=5.207 mas, bpa=38.94 degrees ! Estimated noise=3.1498 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 = 2.05049 Jy ! Component: 100 - total flux cleaned = 3.32768 Jy ! Total flux subtracted in 100 components = 3.32768 Jy ! Clean residual min=-0.338509 max=0.794549 Jy/beam ! Clean residual mean=0.064294 rms=0.169518 Jy/beam ! Combined flux in latest and established models = 5.9908 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 25 components and 5.9908 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.995289Jy sigma=18.455744 ! Fit after self-cal, rms=1.945423Jy sigma=18.100509 ! 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 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 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 0.91 GC 1.00* HH 1.31 ! HN 1.14 KK 1.00* KP 0.75 LA 1.12 ! MA 1.00* MK 1.00* NL 1.01 NY 1.00* ! OV 1.00* PT 0.86 SC 0.75 TS 1.00* ! WF 0.84 WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 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 0.81 GC 1.00* HH 1.36 ! HN 0.86 KK 1.00* KP 0.89 LA 0.95 ! MA 1.00* MK 1.00* NL 1.19 NY 1.00* ! OV 1.00* PT 0.72 SC 0.91 TS 1.00* ! WF 0.83 WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 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 0.83 GC 1.00* HH 1.00 ! HN 1.13 KK 1.00* KP 1.02 LA 0.77 ! MA 1.00* MK 1.00* NL 1.14 NY 1.00* ! OV 1.00* PT 0.75 SC 0.90 TS 1.00* ! WF 0.89 WZ 1.00* GG 1.00* ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 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 0.74 GC 1.00* HH 1.01 ! HN 1.05 KK 1.00* KP 0.91 LA 0.71 ! MA 1.00* MK 1.00* NL 1.06 NY 1.00* ! OV 1.00* PT 0.76 SC 0.96 TS 1.00* ! WF 0.87 WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=1.945423Jy sigma=18.100509 ! Fit after self-cal, rms=1.024085Jy sigma=7.638732 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.86 mas, bmaj=5.196 mas, bpa=38.14 degrees ! Estimated noise=2.8104 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, 3.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.342667 Jy ! Component: 100 - total flux cleaned = 0.376325 Jy ! Total flux subtracted in 100 components = 0.376325 Jy ! Clean residual min=-0.123952 max=0.106385 Jy/beam ! Clean residual mean=0.010277 rms=0.030432 Jy/beam ! Combined flux in latest and established models = 6.36713 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 40 components and 6.36713 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.881377Jy sigma=6.995502 ! Fit after self-cal, rms=0.846564Jy sigma=6.619651 ! 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 = 0.0305936 Jy ! Component: 100 - total flux cleaned = 0.0204565 Jy ! Total flux subtracted in 100 components = 0.0204565 Jy ! Clean residual min=-0.109597 max=0.095994 Jy/beam ! Clean residual mean=0.009749 rms=0.027514 Jy/beam ! Combined flux in latest and established models = 6.38758 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 51 components and 6.38758 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.826663Jy sigma=7.020305 ! Fit after self-cal, rms=0.692972Jy sigma=4.685981 ! Inverting map and beam ! Estimated beam: bmin=1.869 mas, bmaj=5.164 mas, bpa=38.1 degrees ! Estimated noise=2.77807 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 = 0.0809229 Jy ! Component: 100 - total flux cleaned = 0.088592 Jy ! Total flux subtracted in 100 components = 0.088592 Jy ! Clean residual min=-0.057525 max=0.058659 Jy/beam ! Clean residual mean=0.005962 rms=0.015305 Jy/beam ! Combined flux in latest and established models = 6.47618 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 58 components and 6.47617 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.674986Jy sigma=4.650141 ! Fit after self-cal, rms=0.679504Jy sigma=4.583229 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1921-293_S ! Writing UV FITS file: 1921-293_S.uvf ! Writing 58 model components to file: 1921-293_S.mod ! wwins: Wrote 2 windows to 1921-293_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.869 x 5.164 at 38.1 degrees (North through East) ! Clean map min=-0.081984 max=3.4402 Jy/beam ! Writing clean map to FITS file: 1921-293_S.fits ! Writing difmap environment to: 1921-293_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1921-293_S] device 1921-293_Suv.ps/vps,1,2 ! Attempting to open device: '1921-293_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1921-293_Sim.ps/vps ! Attempting to open device: '1921-293_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=1.869 mas, bmaj=5.164 mas, bpa=38.1 degrees ! Estimated noise=2.77807 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.869 x 5.164 at 38.1 degrees (North through East) ! Clean map min=-0.081984 max=3.4402 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1921-293_S.log closed on Mon Aug 25 11:36:26 2008