! Started logfile: CTA26_S.log on Mon Feb 23 15:05:56 2009 observe CTA26_S.edt ! Reading UV FITS file: CTA26_S.edt ! AN table 1: 45 integrations on 190 of 190 possible baselines. ! AN table 2: 29 integrations on 190 of 190 possible baselines. ! AN table 3: 63 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.101806 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: CTA26 ! ! 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 10600 visibilities. ![@gonzo6-0.4 CTA26_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 = 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 0.400x0.400 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 802 telescope corrections were flagged in sub-array 1. ! A total of 482 telescope corrections were flagged in sub-array 2. ! A total of 1150 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 803 telescope corrections were flagged in sub-array 1. ! A total of 482 telescope corrections were flagged in sub-array 2. ! A total of 1144 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 803 telescope corrections were flagged in sub-array 1. ! A total of 507 telescope corrections were flagged in sub-array 2. ! A total of 1126 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 796 telescope corrections were flagged in sub-array 1. ! A total of 491 telescope corrections were flagged in sub-array 2. ! A total of 1138 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.552293Jy sigma=5.216246 ! Fit after self-cal, rms=0.520839Jy sigma=5.271307 ! 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=2.037 mas, bmaj=5.232 mas, bpa=-4.489 degrees ! Estimated noise=1.70533 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 = 0.859189 Jy ! Total flux subtracted in 50 components = 0.859189 Jy ! Clean residual min=-0.073879 max=0.292904 Jy/beam ! Clean residual mean=0.000270 rms=0.020049 Jy/beam ! Combined flux in latest and established models = 0.859189 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.859189 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.565691Jy sigma=5.803081 ! Fit after self-cal, rms=0.565425Jy sigma=5.797246 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.318757 Jy ! Total flux subtracted in 50 components = 0.318757 Jy ! Clean residual min=-0.043668 max=0.145413 Jy/beam ! Clean residual mean=0.000227 rms=0.012981 Jy/beam ! Combined flux in latest and established models = 1.17795 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 7 components and 1.17795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.407680Jy sigma=3.928938 ! Fit after self-cal, rms=0.405404Jy sigma=3.900817 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.162231 Jy ! Total flux subtracted in 50 components = 0.162231 Jy ! Clean residual min=-0.036910 max=0.080082 Jy/beam ! Clean residual mean=0.000205 rms=0.010231 Jy/beam ! Combined flux in latest and established models = 1.34018 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 15 components and 1.34018 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.360788Jy sigma=3.273991 ! Fit after self-cal, rms=0.360213Jy sigma=3.262919 ! Inverting map ! Added new window around map position (2.4, 0.8). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.095464 Jy ! Total flux subtracted in 50 components = 0.095464 Jy ! Clean residual min=-0.031795 max=0.051055 Jy/beam ! Clean residual mean=0.000192 rms=0.009102 Jy/beam ! Combined flux in latest and established models = 1.43564 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 30 components and 1.43564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.346896Jy sigma=3.041604 ! Fit after self-cal, rms=0.346656Jy sigma=3.034637 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0659992 Jy ! Total flux subtracted in 50 components = 0.0659992 Jy ! Clean residual min=-0.035196 max=0.036617 Jy/beam ! Clean residual mean=0.000182 rms=0.008514 Jy/beam ! Combined flux in latest and established models = 1.50164 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 38 components and 1.50164 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.342722Jy sigma=2.939895 ! Fit after self-cal, rms=0.342726Jy sigma=2.937741 ! 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=2.272 mas, bmaj=6.518 mas, bpa=-5.454 degrees ! Estimated noise=1.25651 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 = 0.032786 Jy ! Component: 100 - total flux cleaned = 0.0445414 Jy ! Total flux subtracted in 100 components = 0.0445414 Jy ! Clean residual min=-0.035387 max=0.049006 Jy/beam ! Clean residual mean=0.001171 rms=0.009595 Jy/beam ! Combined flux in latest and established models = 1.54618 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 46 components and 1.54618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.341215Jy sigma=2.884073 ! Fit after self-cal, rms=0.341133Jy sigma=2.882408 ! 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 0.85 FD 0.93 GC 1.02 HH 1.13 ! HN 0.86 KK 0.97 KP 1.00* LA 1.03 ! MA 3.45 MC 0.89 MK 0.85 NL 0.84 ! NY 1.07 ON 0.98 OV 0.94 PT 0.86 ! SC 1.10 TS 1.00* WF 0.98 WZ 0.96 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 FD 1.01 GC 1.00* HH 1.00* ! HN 0.86 KK 1.00* KP 1.27 LA 1.42 ! MA 1.00* MC 1.13 MK 1.00* NL 0.86 ! NY 1.00* ON 1.00* OV 0.99 PT 0.89 ! SC 1.12 TS 1.00* WF 1.03 WZ 1.13 ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.85 FD 1.05 GC 1.03 HH 1.00* ! HN 0.91 KK 0.92 KP 0.96 LA 1.11 ! MA 2.21 MC 0.90 MK 0.89 NL 0.88 ! NY 0.95 ON 0.96 OV 0.98 PT 0.91 ! SC 1.04 TS 1.03 WF 1.01 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 0.87 GC 1.01 HH 0.80 ! HN 0.89 KK 1.01 KP 0.84 LA 1.04 ! MA 1.43 MC 0.85 MK 0.94 NL 0.92 ! NY 1.07 ON 0.97 OV 0.86 PT 0.93 ! SC 0.96 TS 1.00* WF 0.99 WZ 0.98 ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 FD 0.94 GC 1.00* HH 1.00* ! HN 0.92 KK 1.00* KP 1.35 LA 1.44 ! MA 1.00* MC 0.93 MK 1.00* NL 1.06 ! NY 1.00* ON 1.00* OV 0.91 PT 0.96 ! SC 0.90 TS 1.00* WF 0.99 WZ 1.05 ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.87 FD 0.94 GC 1.02 HH 1.00* ! HN 0.95 KK 0.95 KP 1.08 LA 1.19 ! MA 0.67 MC 1.23 MK 0.95 NL 0.93 ! NY 1.18 ON 1.01 OV 0.90 PT 0.99 ! SC 0.94 TS 0.98 WF 1.15 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.77 GC 1.09 HH 0.85 ! HN 1.19 KK 0.90 KP 2.69 LA 0.74 ! MA 1.07 MC 1.82 MK 0.93 NL 0.88 ! NY 1.12 ON 0.96 OV 1.12 PT 0.70 ! SC 1.09 TS 1.00* WF 0.94 WZ 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.87 GC 1.00* HH 1.00* ! HN 1.14 KK 1.00* KP 1.42 LA 1.36 ! MA 1.00* MC 1.00* MK 1.00* NL 1.10 ! NY 1.00* ON 1.00* OV 1.00 PT 1.00 ! SC 1.14 TS 1.00* WF 0.93 WZ 1.00* ! ! A total of 33 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.48 GC 1.09 HH 1.00* ! HN 1.14 KK 1.00 KP 1.22 LA 1.11 ! MA 1.53 MC 1.16 MK 0.96 NL 0.96 ! NY 1.10 ON 0.97 OV 0.97 PT 0.97 ! SC 1.10 TS 0.87 WF 1.14 WZ 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 0.91 FD 0.77 GC 1.10 HH 0.91 ! HN 1.09 KK 0.94 KP 1.03 LA 0.85 ! MA 1.22 MC 1.24 MK 0.92 NL 0.94 ! NY 1.08 ON 0.99 OV 0.86 PT 0.73 ! SC 1.05 TS 1.00* WF 1.00 WZ 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.80 GC 1.00* HH 1.00* ! HN 1.12 KK 1.00* KP 1.39 LA 1.25 ! MA 1.00* MC 1.97 MK 1.00* NL 1.05 ! NY 1.00* ON 1.00* OV 0.91 PT 0.99 ! SC 1.05 TS 1.00* WF 0.97 WZ 1.08 ! ! A total of 21 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 FD 0.83 GC 1.07 HH 1.00* ! HN 1.14 KK 0.93 KP 1.16 LA 0.92 ! MA 1.85 MC 1.02 MK 0.93 NL 0.98 ! NY 0.96 ON 0.92 OV 0.90 PT 0.99 ! SC 1.04 TS 0.85 WF 0.97 WZ 1.00* ! ! ! Fit before self-cal, rms=0.341133Jy sigma=2.882408 ! Fit after self-cal, rms=0.330676Jy sigma=1.284698 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.28 mas, bmaj=6.654 mas, bpa=-5.415 degrees ! Estimated noise=1.25467 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 = 0.0114684 Jy ! Component: 100 - total flux cleaned = 0.0115761 Jy ! Total flux subtracted in 100 components = 0.0115761 Jy ! Clean residual min=-0.005432 max=0.008165 Jy/beam ! Clean residual mean=0.000689 rms=0.001627 Jy/beam ! Combined flux in latest and established models = 1.55776 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 52 components and 1.55776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.329907Jy sigma=1.263146 ! Fit after self-cal, rms=0.330385Jy sigma=1.259388 ! 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 = 0.00305193 Jy ! Component: 100 - total flux cleaned = 0.00345351 Jy ! Total flux subtracted in 100 components = 0.00345351 Jy ! Clean residual min=-0.005238 max=0.007648 Jy/beam ! Clean residual mean=0.000659 rms=0.001550 Jy/beam ! Combined flux in latest and established models = 1.56121 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 58 components and 1.56121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330158Jy sigma=1.256550 ! Fit after self-cal, rms=0.355816Jy sigma=1.227489 ! Inverting map and beam ! Estimated beam: bmin=2.283 mas, bmaj=6.619 mas, bpa=-5.431 degrees ! Estimated noise=1.25126 mJy/beam. ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00126166 Jy ! Component: 100 - total flux cleaned = 0.00178493 Jy ! Total flux subtracted in 100 components = 0.00178493 Jy ! Clean residual min=-0.005309 max=0.006156 Jy/beam ! Clean residual mean=0.000363 rms=0.001438 Jy/beam ! Combined flux in latest and established models = 1.563 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 60 components and 1.563 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.355602Jy sigma=1.224332 ! Fit after self-cal, rms=0.357400Jy sigma=1.216775 ! Inverting map and beam ! Estimated beam: bmin=2.283 mas, bmaj=6.619 mas, bpa=-5.425 degrees ! Estimated noise=1.24805 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) ! Added new window around map position (18.8, 10.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000636857 Jy ! Component: 100 - total flux cleaned = 0.00141167 Jy ! Total flux subtracted in 100 components = 0.00141167 Jy ! Clean residual min=-0.005297 max=0.005564 Jy/beam ! Clean residual mean=0.000249 rms=0.001385 Jy/beam ! Combined flux in latest and established models = 1.56441 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 66 components and 1.56441 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.357150Jy sigma=1.214347 ! Fit after self-cal, rms=0.357117Jy sigma=1.213833 ! Inverting map ! Added new window around map position (78, 34.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00292209 Jy ! Component: 100 - total flux cleaned = 0.00403681 Jy ! Total flux subtracted in 100 components = 0.00403681 Jy ! Clean residual min=-0.005212 max=0.005401 Jy/beam ! Clean residual mean=0.000211 rms=0.001350 Jy/beam ! Combined flux in latest and established models = 1.56844 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 73 components and 1.56844 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.356929Jy sigma=1.212210 ! Fit after self-cal, rms=0.357062Jy sigma=1.212370 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save CTA26_S ! Writing UV FITS file: CTA26_S.uvf ! Writing 73 model components to file: CTA26_S.mod ! wwins: Wrote 4 windows to CTA26_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.283 x 6.619 at -5.425 degrees (North through East) ! Clean map min=-0.006134 max=1.0892 Jy/beam ! Writing clean map to FITS file: CTA26_S.fits ! Writing difmap environment to: CTA26_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot CTA26_S] device CTA26_Suv.ps/vps,1,2 ! Attempting to open device: 'CTA26_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device CTA26_Sim.ps/vps ! Attempting to open device: 'CTA26_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=2.283 mas, bmaj=6.619 mas, bpa=-5.425 degrees ! Estimated noise=1.24805 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.283 x 6.619 at -5.425 degrees (North through East) ! Clean map min=-0.006134 max=1.0892 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.4] quit ! Quitting program ! Log file CTA26_S.log closed on Mon Feb 23 15:06:06 2009