! Started logfile: 1657-261_S.log on Thu Mar 19 20:28:23 2009 observe 1657-261_S.edt ! Reading UV FITS file: 1657-261_S.edt ! AN table 1: 32 integrations on 190 of 190 possible baselines. ! AN table 2: 17 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.134157 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1657-261 ! ! 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 1477 lines of history. ! ! Reading 4996 visibilities. ![@gonzo7-0.4 1657-261_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 468 telescope corrections were flagged in sub-array 1. ! A total of 308 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 468 telescope corrections were flagged in sub-array 1. ! A total of 308 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 483 telescope corrections were flagged in sub-array 1. ! A total of 308 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 468 telescope corrections were flagged in sub-array 1. ! A total of 305 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.736926Jy sigma=8.910662 ! Fit after self-cal, rms=0.712288Jy sigma=9.011222 ! 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=2.051 mas, bmaj=7.279 mas, bpa=6.182 degrees ! Estimated noise=2.34737 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 = 0.23293 Jy ! Total flux subtracted in 50 components = 0.23293 Jy ! Clean residual min=-0.035764 max=0.065192 Jy/beam ! Clean residual mean=0.000136 rms=0.010014 Jy/beam ! Combined flux in latest and established models = 0.23293 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.23293 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189015Jy sigma=2.342232 ! Fit after self-cal, rms=0.189010Jy sigma=2.342206 ! 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=2.638 mas, bmaj=7.611 mas, bpa=6.623 degrees ! Estimated noise=1.19526 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 = 0.084331 Jy ! Component: 100 - total flux cleaned = 0.116191 Jy ! Total flux subtracted in 100 components = 0.116191 Jy ! Clean residual min=-0.021000 max=0.043580 Jy/beam ! Clean residual mean=-0.000614 rms=0.007476 Jy/beam ! Combined flux in latest and established models = 0.349122 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 15 components and 0.349122 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164681Jy sigma=1.716901 ! Fit after self-cal, rms=0.164679Jy sigma=1.716431 ! 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 0.81 FD 1.00 GC 1.00* HH 1.00* ! HN 1.00* KK 0.96 KP 0.94 LA 1.16 ! MA 1.00* MC 1.00* MK 0.89 NL 2.13 ! NY 1.00* ON 1.00* OV 0.93 PT 0.83 ! SC 1.28 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.74 LA 1.00* ! MA 1.00* MC 1.00* MK 0.82 NL 1.00* ! NY 1.00* ON 1.00* OV 0.93 PT 0.88 ! SC 1.00* TS 1.27 WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.82 FD 0.90 GC 1.00* HH 1.00* ! HN 1.00* KK 0.98 KP 1.02 LA 1.17 ! MA 1.00* MC 1.00* MK 0.96 NL 2.15 ! NY 1.00* ON 1.00* OV 0.85 PT 0.91 ! SC 0.97 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.53 LA 1.00* ! MA 1.00* MC 1.00* MK 0.91 NL 1.00* ! NY 1.00* ON 1.00* OV 0.88 PT 0.96 ! SC 1.00* TS 1.15 WF 1.00* 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 0.89 FD 0.81 GC 1.00* HH 1.00* ! HN 1.00* KK 0.94 KP 0.95 LA 0.99 ! MA 1.00* MC 1.00* MK 1.00 NL 1.41 ! NY 1.00* ON 1.00* OV 0.91 PT 0.97 ! SC 1.05 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.09 LA 1.00* ! MA 1.00* MC 1.00* MK 0.70 NL 1.00* ! NY 1.00* ON 1.00* OV 1.07 PT 1.10 ! SC 1.00* TS 0.89 WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.74 GC 1.00* HH 1.00* ! HN 1.00* KK 1.05 KP 1.08 LA 0.82 ! MA 1.00* MC 1.00* MK 0.97 NL 2.53 ! NY 1.00* ON 1.00* OV 0.76 PT 0.96 ! SC 0.99 TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 6.17 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.34 LA 1.00* ! MA 1.00* MC 1.00* MK 0.78 NL 1.00* ! NY 1.00* ON 1.00* OV 0.92 PT 1.21 ! SC 1.00* TS 0.92 WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.164679Jy sigma=1.716431 ! Fit after self-cal, rms=0.182255Jy sigma=1.229069 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.702 mas, bmaj=7.637 mas, bpa=6.131 degrees ! Estimated noise=1.15083 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 = -0.00210586 Jy ! Component: 100 - total flux cleaned = -0.00222434 Jy ! Total flux subtracted in 100 components = -0.00222434 Jy ! Clean residual min=-0.005616 max=0.007415 Jy/beam ! Clean residual mean=-0.000007 rms=0.001633 Jy/beam ! Combined flux in latest and established models = 0.346897 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 31 components and 0.346897 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182042Jy sigma=1.228381 ! Fit after self-cal, rms=0.182275Jy sigma=1.227304 ! 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 = -0.000222798 Jy ! Component: 100 - total flux cleaned = -0.000223777 Jy ! Total flux subtracted in 100 components = -0.000223777 Jy ! Clean residual min=-0.005537 max=0.007126 Jy/beam ! Clean residual mean=-0.000009 rms=0.001606 Jy/beam ! Combined flux in latest and established models = 0.346674 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 39 components and 0.346673 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182202Jy sigma=1.226914 ! Fit after self-cal, rms=0.198442Jy sigma=1.185339 ! Inverting map and beam ! Estimated beam: bmin=2.702 mas, bmaj=7.656 mas, bpa=5.806 degrees ! Estimated noise=1.1479 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 = -0.00128863 Jy ! Component: 100 - total flux cleaned = -0.00138785 Jy ! Total flux subtracted in 100 components = -0.00138785 Jy ! Clean residual min=-0.005250 max=0.006159 Jy/beam ! Clean residual mean=0.000037 rms=0.001501 Jy/beam ! Combined flux in latest and established models = 0.345286 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 41 components and 0.345286 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198305Jy sigma=1.184729 ! Fit after self-cal, rms=0.198385Jy sigma=1.184542 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1657-261_S ! Writing UV FITS file: 1657-261_S.uvf ! Writing 41 model components to file: 1657-261_S.mod ! wwins: Wrote 1 windows to 1657-261_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.702 x 7.656 at 5.806 degrees (North through East) ! Clean map min=-0.0049615 max=0.30596 Jy/beam ! Writing clean map to FITS file: 1657-261_S.fits ! Writing difmap environment to: 1657-261_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1657-261_S] device 1657-261_Suv.ps/vps,1,2 ! Attempting to open device: '1657-261_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1657-261_Sim.ps/vps ! Attempting to open device: '1657-261_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=2.702 mas, bmaj=7.656 mas, bpa=5.806 degrees ! Estimated noise=1.1479 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.702 x 7.656 at 5.806 degrees (North through East) ! Clean map min=-0.0049615 max=0.30596 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1657-261_S.log closed on Thu Mar 19 20:28:29 2009