! Started logfile: 0844+258_X.log on Mon Mar 3 23:22:56 2008 observe 0844+258_X.edt ! Reading UV FITS file: 0844+258_X.edt ! AN table 1: 52 integrations on 136 of 136 possible baselines. ! AN table 2: 74 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.153186 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0844+258 ! ! 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 1214 lines of history. ! ! Reading 10500 visibilities. ![@gonzo8-0.1 0844+258_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 548 telescope corrections were flagged in sub-array 1. ! A total of 956 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 477 telescope corrections were flagged in sub-array 1. ! A total of 939 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 542 telescope corrections were flagged in sub-array 1. ! A total of 971 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 571 telescope corrections were flagged in sub-array 1. ! A total of 1193 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.936010Jy sigma=0.014274 ! Fit after self-cal, rms=0.936281Jy sigma=0.014392 ! 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=0.6837 mas, bmaj=0.9158 mas, bpa=-6.639 degrees ! Estimated noise=1110.06 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 = 0.0538082 Jy ! Total flux subtracted in 50 components = 0.0538082 Jy ! Clean residual min=-0.007479 max=0.015009 Jy/beam ! Clean residual mean=-0.000038 rms=0.001882 Jy/beam ! Combined flux in latest and established models = 0.0538082 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 0.0538082 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.089059Jy sigma=0.001080 ! Fit after self-cal, rms=0.089057Jy sigma=0.001080 ! 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=0.821 mas, bmaj=1.208 mas, bpa=-16.05 degrees ! Estimated noise=540.165 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 = 0.00376845 Jy ! Component: 100 - total flux cleaned = 0.00306264 Jy ! Total flux subtracted in 100 components = 0.00306264 Jy ! Clean residual min=-0.005845 max=0.005964 Jy/beam ! Clean residual mean=-0.000029 rms=0.001367 Jy/beam ! Combined flux in latest and established models = 0.0568708 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 0.0568708 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087827Jy sigma=0.001070 ! Fit after self-cal, rms=0.087805Jy sigma=0.001070 ! 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 1.06 FD 1.05 GC 1.00* HN 1.14 ! KK 0.92 KP 1.10 LA 1.24 MC 1.00* ! MK 1.13 NL 0.87 NY 1.06 ON 1.00* ! OV 1.09 PT 1.04 SC 1.00 WF 0.86 ! WZ 1.00* ! ! A total of 60 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.82 FD 1.00* GC 0.75 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MC 0.86 ! MK 1.00* NL 1.00* NY 0.78 ON 0.68 ! OV 1.00* PT 1.00* SC 1.00* WF 1.00* ! WZ 0.67 ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.14 GC 1.00* HN 1.06 ! KK 0.80 KP 1.10 LA 1.16 MC 1.00* ! MK 1.26 NL 0.83 NY 0.88 ON 1.00* ! OV 0.99 PT 1.27 SC 1.23 WF 0.78 ! WZ 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.80 FD 1.00* GC 0.89 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MC 0.74 ! MK 1.00* NL 1.00* NY 0.87 ON 0.71 ! OV 1.00* PT 1.00* SC 1.00* WF 1.00* ! WZ 0.77 ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.08 GC 1.00* HN 0.95 ! KK 0.96 KP 1.29 LA 1.06 MC 1.00* ! MK 1.10 NL 0.88 NY 0.97 ON 1.00* ! OV 0.96 PT 1.09 SC 1.18 WF 0.88 ! WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.79 FD 1.00* GC 0.72 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MC 0.81 ! MK 1.00* NL 1.00* NY 0.76 ON 0.70 ! OV 1.00* PT 1.00* SC 1.00* WF 1.00* ! WZ 0.77 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.81 FD 1.08 GC 1.00* HN 0.91 ! KK 0.90 KP 1.13 LA 1.12 MC 1.00* ! MK 1.36 NL 0.92 NY 0.96 ON 1.00* ! OV 1.05 PT 1.26 SC 1.05 WF 0.75 ! WZ 1.00* ! ! A total of 45 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.42 FD 1.00* GC 0.68 HN 1.00* ! KK 1.00* KP 1.00* LA 1.00* MC 1.00* ! MK 1.00* NL 1.00* NY 0.85 ON 0.74 ! OV 1.00* PT 1.00* SC 1.00* WF 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.087805Jy sigma=0.001070 ! Fit after self-cal, rms=0.079266Jy sigma=0.001038 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8165 mas, bmaj=1.152 mas, bpa=-9.89 degrees ! Estimated noise=530.013 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 = -8.37994e-05 Jy ! Component: 100 - total flux cleaned = -0.000103077 Jy ! Total flux subtracted in 100 components = -0.000103077 Jy ! Clean residual min=-0.002560 max=0.002205 Jy/beam ! Clean residual mean=0.000001 rms=0.000575 Jy/beam ! Combined flux in latest and established models = 0.0567678 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 11 components and 0.0567678 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.079255Jy sigma=0.001038 ! Fit after self-cal, rms=0.079235Jy sigma=0.001038 ! 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 = -0.00010931 Jy ! Component: 100 - total flux cleaned = -9.49167e-05 Jy ! Total flux subtracted in 100 components = -9.49167e-05 Jy ! Clean residual min=-0.002520 max=0.002190 Jy/beam ! Clean residual mean=0.000001 rms=0.000574 Jy/beam ! Combined flux in latest and established models = 0.0566728 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 18 components and 0.0566728 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.079231Jy sigma=0.001038 ! Fit after self-cal, rms=0.084392Jy sigma=0.001025 ! Inverting map and beam ! Estimated beam: bmin=0.8189 mas, bmaj=1.15 mas, bpa=-9.728 degrees ! Estimated noise=541.392 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 = 0.00099326 Jy ! Component: 100 - total flux cleaned = 0.000993922 Jy ! Total flux subtracted in 100 components = 0.000993922 Jy ! Clean residual min=-0.002541 max=0.002277 Jy/beam ! Clean residual mean=-0.000000 rms=0.000573 Jy/beam ! Combined flux in latest and established models = 0.0576668 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 0.0576668 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084381Jy sigma=0.001025 ! Fit after self-cal, rms=0.084404Jy sigma=0.001025 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0844+258_X ! Writing UV FITS file: 0844+258_X.uvf ! Writing 20 model components to file: 0844+258_X.mod ! wwins: Wrote 1 windows to 0844+258_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8189 x 1.15 at -9.728 degrees (North through East) ! Clean map min=-0.0024491 max=0.062743 Jy/beam ! Writing clean map to FITS file: 0844+258_X.fits ! Writing difmap environment to: 0844+258_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0844+258_X] device 0844+258_Xuv.ps/vps,1,2 ! Attempting to open device: '0844+258_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0844+258_Xim.ps/vps ! Attempting to open device: '0844+258_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=0.8189 mas, bmaj=1.15 mas, bpa=-9.728 degrees ! Estimated noise=541.392 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8189 x 1.15 at -9.728 degrees (North through East) ! Clean map min=-0.0024491 max=0.062743 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 0844+258_X.log closed on Mon Mar 3 23:23:00 2008