! Started logfile: J0839+1802_X.log on Tue Aug 8 11:20:57 2006 observe J0839+1802_X.edt ! Reading UV FITS file: J0839+1802_X.edt ! AN table 1: 60 integrations on 190 of 190 possible baselines. ! AN table 2: 153 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0556462 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0839+18 ! ! 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 1409 lines of history. ! ! Reading 9008 visibilities. ![@gonzo8-0.1 J0839+1802_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 898 telescope corrections were flagged in sub-array 1. ! A total of 2722 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 966 telescope corrections were flagged in sub-array 1. ! A total of 2785 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 934 telescope corrections were flagged in sub-array 1. ! A total of 2804 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 931 telescope corrections were flagged in sub-array 1. ! A total of 2759 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.834300Jy sigma=0.010652 ! Fit after self-cal, rms=0.829497Jy sigma=0.010604 ! 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=0.5782 mas, bmaj=1.149 mas, bpa=0.3152 degrees ! Estimated noise=2206.45 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 = 0.117245 Jy ! Total flux subtracted in 50 components = 0.117245 Jy ! Clean residual min=-0.012770 max=0.032699 Jy/beam ! Clean residual mean=0.000130 rms=0.003784 Jy/beam ! Combined flux in latest and established models = 0.117245 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 0.117245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.110413Jy sigma=0.001153 ! Fit after self-cal, rms=0.110412Jy sigma=0.001153 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0282117 Jy ! Total flux subtracted in 50 components = 0.0282117 Jy ! Clean residual min=-0.011718 max=0.016038 Jy/beam ! Clean residual mean=0.000114 rms=0.003035 Jy/beam ! Combined flux in latest and established models = 0.145457 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 8 components and 0.145457 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099139Jy sigma=0.001032 ! Fit after self-cal, rms=0.099111Jy 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=0.782 mas, bmaj=1.372 mas, bpa=-7.321 degrees ! Estimated noise=1038.57 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 = 0.0248246 Jy ! Component: 100 - total flux cleaned = 0.0363205 Jy ! Total flux subtracted in 100 components = 0.0363205 Jy ! Clean residual min=-0.007194 max=0.015822 Jy/beam ! Clean residual mean=0.001708 rms=0.003049 Jy/beam ! Combined flux in latest and established models = 0.181777 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 23 components and 0.181777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091815Jy sigma=0.000971 ! Fit after self-cal, rms=0.091727Jy sigma=0.000970 ! 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 1.00* FD 1.00* GC 1.00* HN 0.97 ! LA 1.00* NL 1.00* OV 1.00* SC 0.97 ! WF 0.78 GG 1.00* HH 1.00* KK 1.00* ! KP 1.00* MA 1.00* MC 1.04 MK 1.00* ! NY 1.02 TS 1.00* WZ 0.99 PT 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.16 FD 1.02 GC 1.05 HN 1.00* ! LA 0.94 NL 1.00* OV 1.11 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.84 ! KP 0.92 MA 1.00* MC 1.00* MK 1.04 ! NY 1.01 TS 1.21 WZ 1.00* PT 1.00* ! ! ! Correcting IF 2. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HN 1.02 ! LA 1.00* NL 1.00* OV 1.00* SC 1.18 ! WF 0.70 GG 1.00* HH 1.00* KK 1.00* ! KP 1.00* MA 1.00* MC 1.33 MK 1.00* ! NY 0.99 TS 1.00* WZ 1.03 PT 1.00* ! ! A total of 66 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.12 FD 0.99 GC 1.07 HN 1.00* ! LA 0.92 NL 1.00* OV 1.18 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.82 ! KP 0.87 MA 1.00* MC 1.00* MK 1.10 ! NY 0.66 TS 1.26 WZ 1.00* PT 1.00* ! ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HN 0.97 ! LA 1.00* NL 1.00* OV 1.00* SC 0.92 ! WF 0.70 GG 1.00* HH 1.00* KK 1.00* ! KP 1.00* MA 1.00* MC 1.25 MK 1.00* ! NY 0.91 TS 1.00* WZ 0.73 PT 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.12 FD 0.95 GC 1.06 HN 1.00* ! LA 0.87 NL 1.00* OV 1.17 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 1.00* ! KP 0.90 MA 1.00* MC 1.00* MK 0.94 ! NY 0.79 TS 1.07 WZ 1.00* PT 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HN 0.94 ! LA 1.00* NL 1.00* OV 1.00* SC 0.83 ! WF 0.69 GG 1.00* HH 1.00* KK 1.00* ! KP 1.00* MA 1.00* MC 1.22 MK 1.00* ! NY 1.05 TS 1.00* WZ 0.90 PT 1.00* ! ! A total of 54 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.89 GC 0.95 HN 1.00* ! LA 0.79 NL 1.00* OV 1.17 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.72 ! KP 0.91 MA 1.00* MC 1.00* MK 0.94 ! NY 1.02 TS 1.10 WZ 1.00* PT 1.00* ! ! ! Fit before self-cal, rms=0.091727Jy sigma=0.000970 ! Fit after self-cal, rms=0.075787Jy sigma=0.000901 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7731 mas, bmaj=1.415 mas, bpa=-9.196 degrees ! Estimated noise=1049.69 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 = 0.00257985 Jy ! Component: 100 - total flux cleaned = 0.00304056 Jy ! Total flux subtracted in 100 components = 0.00304055 Jy ! Clean residual min=-0.005061 max=0.007668 Jy/beam ! Clean residual mean=-0.000050 rms=0.001565 Jy/beam ! Combined flux in latest and established models = 0.184818 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 31 components and 0.184818 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075710Jy sigma=0.000900 ! Fit after self-cal, rms=0.075591Jy sigma=0.000899 ! 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 = 0.000278514 Jy ! Component: 100 - total flux cleaned = 0.000463413 Jy ! Total flux subtracted in 100 components = 0.000463413 Jy ! Clean residual min=-0.005063 max=0.007616 Jy/beam ! Clean residual mean=-0.000054 rms=0.001551 Jy/beam ! Combined flux in latest and established models = 0.185281 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 33 components and 0.185281 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075558Jy sigma=0.000898 ! Fit after self-cal, rms=0.074832Jy sigma=0.000860 ! Inverting map and beam ! Estimated beam: bmin=0.7729 mas, bmaj=1.415 mas, bpa=-9.028 degrees ! Estimated noise=1062.09 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 = 0.00208362 Jy ! Component: 100 - total flux cleaned = 0.00237971 Jy ! Total flux subtracted in 100 components = 0.00237971 Jy ! Clean residual min=-0.004628 max=0.006730 Jy/beam ! Clean residual mean=-0.000086 rms=0.001408 Jy/beam ! Combined flux in latest and established models = 0.187661 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 41 components and 0.187661 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074783Jy sigma=0.000859 ! Fit after self-cal, rms=0.074795Jy sigma=0.000859 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save J0839+1802_X ! Writing UV FITS file: J0839+1802_X.uvf ! Writing 41 model components to file: J0839+1802_X.mod ! wwins: Wrote 1 windows to J0839+1802_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7729 x 1.415 at -9.028 degrees (North through East) ! Clean map min=-0.0045813 max=0.16393 Jy/beam ! Writing clean map to FITS file: J0839+1802_X.fits ! Writing difmap environment to: J0839+1802_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot J0839+1802_X] device J0839+1802_Xuv.ps/vps,1,2 ! Attempting to open device: 'J0839+1802_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device J0839+1802_Xim.ps/vps ! Attempting to open device: 'J0839+1802_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=0.7729 mas, bmaj=1.415 mas, bpa=-9.028 degrees ! Estimated noise=1062.09 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7729 x 1.415 at -9.028 degrees (North through East) ! Clean map min=-0.0045813 max=0.16393 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file J0839+1802_X.log closed on Tue Aug 8 11:21:24 2006