! Started logfile: OW-015_X.log on Wed May 14 17:37:08 2008 observe OW-015_X.edt ! Reading UV FITS file: OW-015_X.edt ! AN table 1: 25 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.106667 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: OW-015 ! ! 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 938 lines of history. ! ! Reading 1632 visibilities. ![@gonzo6-0.1 OW-015_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 = 6.0 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 381 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 385 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 381 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 377 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.581810Jy sigma=0.007170 ! Fit after self-cal, rms=0.573212Jy sigma=0.007105 ! 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=0.8506 mas, bmaj=2.719 mas, bpa=-9.75 degrees ! Estimated noise=4790.28 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 = 0.273492 Jy ! Total flux subtracted in 50 components = 0.273492 Jy ! Clean residual min=-0.025010 max=0.091770 Jy/beam ! Clean residual mean=0.001428 rms=0.012308 Jy/beam ! Combined flux in latest and established models = 0.273492 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 10 components and 0.273492 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225973Jy sigma=0.002865 ! Fit after self-cal, rms=0.225971Jy sigma=0.002865 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0947557 Jy ! Total flux subtracted in 50 components = 0.0947557 Jy ! Clean residual min=-0.019194 max=0.047640 Jy/beam ! Clean residual mean=0.001051 rms=0.007990 Jy/beam ! Combined flux in latest and established models = 0.368248 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 30 components and 0.368248 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159590Jy sigma=0.002013 ! Fit after self-cal, rms=0.159557Jy sigma=0.002013 ! Inverting map ! Added new window around map position (1.1, -1.8). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.051406 Jy ! Total flux subtracted in 50 components = 0.051406 Jy ! Clean residual min=-0.017793 max=0.029086 Jy/beam ! Clean residual mean=0.000852 rms=0.006369 Jy/beam ! Combined flux in latest and established models = 0.419654 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 56 components and 0.419654 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.131288Jy sigma=0.001646 ! Fit after self-cal, rms=0.131006Jy sigma=0.001642 ! 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=1.453 mas, bmaj=4.495 mas, bpa=-16.92 degrees ! Estimated noise=2315.53 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 = 0.0740683 Jy ! Component: 100 - total flux cleaned = 0.113463 Jy ! Total flux subtracted in 100 components = 0.113463 Jy ! Clean residual min=-0.014958 max=0.022517 Jy/beam ! Clean residual mean=0.000796 rms=0.006386 Jy/beam ! Combined flux in latest and established models = 0.533117 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 60 model components to the UV plane model. ! The established model now contains 109 components and 0.533117 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088400Jy sigma=0.001069 ! Fit after self-cal, rms=0.088214Jy sigma=0.001067 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.98 GC 1.19 HH 1.00* ! HN 1.03 KK 0.85 KP 0.92 LA 0.95 ! MC 1.00* MK 0.96 NL 0.96 NY 1.00* ! ON 1.00* OV 0.94 PT 0.91 SC 1.00* ! WF 1.24 WZ 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.95 GC 1.00* HH 1.00* ! HN 1.03 KK 0.94 KP 0.94 LA 0.95 ! MC 1.00* MK 1.01 NL 1.01 NY 1.00* ! ON 1.00* OV 0.92 PT 0.96 SC 1.00* ! WF 0.94 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 GC 1.18 HH 1.00* ! HN 1.00 KK 0.78 KP 0.98 LA 0.94 ! MC 1.00* MK 0.93 NL 1.06 NY 1.00* ! ON 1.00* OV 1.00 PT 0.99 SC 1.00* ! WF 0.85 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.96 GC 1.00* HH 1.00* ! HN 1.09 KK 0.96 KP 0.94 LA 0.98 ! MC 1.00* MK 1.09 NL 1.03 NY 1.00* ! ON 1.00* OV 1.01 PT 1.03 SC 1.00* ! WF 1.57 WZ 1.00* ! ! ! Fit before self-cal, rms=0.088214Jy sigma=0.001067 ! Fit after self-cal, rms=0.076949Jy sigma=0.000947 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.461 mas, bmaj=4.668 mas, bpa=-17.1 degrees ! Estimated noise=2247.28 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 = 0.00512677 Jy ! Component: 100 - total flux cleaned = 0.006275 Jy ! Total flux subtracted in 100 components = 0.006275 Jy ! Clean residual min=-0.008326 max=0.013080 Jy/beam ! Clean residual mean=0.000240 rms=0.002953 Jy/beam ! Combined flux in latest and established models = 0.539392 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 119 components and 0.539392 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076611Jy sigma=0.000941 ! Fit after self-cal, rms=0.076560Jy sigma=0.000940 ! 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) ! Added new window around map position (1.5, -9.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0112465 Jy ! Component: 100 - total flux cleaned = 0.0138041 Jy ! Total flux subtracted in 100 components = 0.0138041 Jy ! Clean residual min=-0.006971 max=0.007465 Jy/beam ! Clean residual mean=0.000191 rms=0.002388 Jy/beam ! Combined flux in latest and established models = 0.553196 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 132 components and 0.553196 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074955Jy sigma=0.000921 ! Fit after self-cal, rms=0.072426Jy sigma=0.000886 ! Inverting map and beam ! Estimated beam: bmin=1.457 mas, bmaj=4.713 mas, bpa=-17.19 degrees ! Estimated noise=2245.47 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 = 0.000926016 Jy ! Component: 100 - total flux cleaned = 0.00203553 Jy ! Total flux subtracted in 100 components = 0.00203553 Jy ! Clean residual min=-0.006376 max=0.007471 Jy/beam ! Clean residual mean=0.000132 rms=0.002086 Jy/beam ! Combined flux in latest and established models = 0.555232 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 144 components and 0.555232 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072029Jy sigma=0.000881 ! Fit after self-cal, rms=0.071998Jy sigma=0.000881 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save OW-015_X ! Writing UV FITS file: OW-015_X.uvf ! Writing 144 model components to file: OW-015_X.mod ! wwins: Wrote 3 windows to OW-015_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.457 x 4.713 at -17.19 degrees (North through East) ! Clean map min=-0.0064362 max=0.40759 Jy/beam ! Writing clean map to FITS file: OW-015_X.fits ! Writing difmap environment to: OW-015_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot OW-015_X] device OW-015_Xuv.ps/vps,1,2 ! Attempting to open device: 'OW-015_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device OW-015_Xim.ps/vps ! Attempting to open device: 'OW-015_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=1.457 mas, bmaj=4.713 mas, bpa=-17.19 degrees ! Estimated noise=2245.47 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.457 x 4.713 at -17.19 degrees (North through East) ! Clean map min=-0.0064362 max=0.40759 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.1] quit ! Quitting program ! Log file OW-015_X.log closed on Wed May 14 17:37:16 2008