! Started logfile: 3C120_X.log on Mon Aug 7 23:02:09 2006 observe 3C120_X.edt ! Reading UV FITS file: 3C120_X.edt ! AN table 1: 16 integrations on 190 of 190 possible baselines. ! AN table 2: 35 integrations on 190 of 190 possible baselines. ! AN table 3: 49 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.217421 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 3C120 ! ! 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 16524 visibilities. ![@gonzo8-0.1 3C120_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 293 telescope corrections were flagged in sub-array 1. ! A total of 430 telescope corrections were flagged in sub-array 2. ! A total of 698 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 293 telescope corrections were flagged in sub-array 1. ! A total of 421 telescope corrections were flagged in sub-array 2. ! A total of 580 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 293 telescope corrections were flagged in sub-array 1. ! A total of 423 telescope corrections were flagged in sub-array 2. ! A total of 580 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 292 telescope corrections were flagged in sub-array 1. ! A total of 442 telescope corrections were flagged in sub-array 2. ! A total of 696 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.879001Jy sigma=0.013691 ! Fit after self-cal, rms=0.877421Jy sigma=0.013679 ! 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=0.5128 mas, bmaj=1.725 mas, bpa=-7.42 degrees ! Estimated noise=915.916 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 = 0.363213 Jy ! Total flux subtracted in 50 components = 0.363213 Jy ! Clean residual min=-0.057549 max=0.238278 Jy/beam ! Clean residual mean=-0.000427 rms=0.022277 Jy/beam ! Combined flux in latest and established models = 0.363213 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.363213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.718979Jy sigma=0.011912 ! Fit after self-cal, rms=0.718847Jy sigma=0.011908 ! Inverting map ! Added new window around map position (-0.9, -0.5). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.241621 Jy ! Total flux subtracted in 50 components = 0.241621 Jy ! Clean residual min=-0.049701 max=0.181848 Jy/beam ! Clean residual mean=-0.000370 rms=0.018771 Jy/beam ! Combined flux in latest and established models = 0.604834 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 21 components and 0.604834 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.621939Jy sigma=0.010275 ! Fit after self-cal, rms=0.619259Jy sigma=0.010241 ! Inverting map ! Added new window around map position (0.8, 0.3). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.180866 Jy ! Total flux subtracted in 50 components = 0.180866 Jy ! Clean residual min=-0.041279 max=0.137979 Jy/beam ! Clean residual mean=-0.000311 rms=0.016272 Jy/beam ! Combined flux in latest and established models = 0.7857 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 26 components and 0.7857 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.555021Jy sigma=0.009154 ! Fit after self-cal, rms=0.554724Jy sigma=0.009143 ! Inverting map ! Added new window around map position (-2.1, -1.3). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.1518 Jy ! Total flux subtracted in 50 components = 0.1518 Jy ! Clean residual min=-0.041916 max=0.098698 Jy/beam ! Clean residual mean=-0.000289 rms=0.014469 Jy/beam ! Combined flux in latest and established models = 0.9375 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 41 components and 0.9375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.502205Jy sigma=0.008252 ! Fit after self-cal, rms=0.501147Jy sigma=0.008235 ! 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=0.592 mas, bmaj=2.08 mas, bpa=-8.416 degrees ! Estimated noise=481.847 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 = 0.225612 Jy ! Component: 100 - total flux cleaned = 0.384977 Jy ! Total flux subtracted in 100 components = 0.384977 Jy ! Clean residual min=-0.051575 max=0.130522 Jy/beam ! Clean residual mean=0.004743 rms=0.020348 Jy/beam ! Combined flux in latest and established models = 1.32248 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 58 components and 1.32248 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.395795Jy sigma=0.006397 ! Fit after self-cal, rms=0.394145Jy sigma=0.006368 ! 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 0.82 GC 1.00* HN 1.00* ! LA 0.79 NL 1.00* OV 0.94 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.75 ! KP 0.74 MA 1.00* MC 1.00* MK 0.85 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.74 GC 1.00 HN 0.87 ! LA 0.79 NL 1.06 OV 0.98 SC 1.15 ! WF 0.63 GG 1.00* HH 1.00* KK 1.00* ! KP 0.97 MA 0.89 MC 0.98 MK 2.11 ! NY 1.00* TS 1.00* WZ 1.27 PT 0.77 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.77 FD 0.87 GC 0.97 HN 1.21 ! LA 0.83 NL 2.55 OV 1.03 SC 0.62 ! WF 1.00* GG 1.00* HH 1.00* KK 0.66 ! KP 0.86 MA 1.00* MC 1.00* MK 0.83 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.83 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.79 GC 1.00* HN 1.00* ! LA 0.81 NL 1.00* OV 1.00 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.81 ! KP 0.70 MA 1.00* MC 1.00* MK 0.83 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.75 GC 1.00 HN 0.86 ! LA 0.80 NL 1.12 OV 0.96 SC 1.66 ! WF 0.64 GG 1.00* HH 1.00* KK 1.00* ! KP 0.91 MA 0.87 MC 0.99 MK 1.92 ! NY 1.00* TS 1.00* WZ 1.27 PT 0.77 ! ! A total of 21 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.06 FD 0.93 GC 0.88 HN 0.89 ! LA 0.93 NL 2.33 OV 0.97 SC 0.97 ! WF 0.65 GG 1.00* HH 1.00* KK 0.68 ! KP 0.81 MA 1.00* MC 1.00* MK 0.79 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.88 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.81 GC 1.00* HN 1.00* ! LA 0.80 NL 1.00* OV 1.00 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.79 ! KP 0.72 MA 1.00* MC 1.00* MK 0.93 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.30 FD 0.81 GC 0.92 HN 0.82 ! LA 0.57 NL 0.96 OV 0.84 SC 13.41 ! WF 0.67 GG 1.00* HH 1.00* KK 1.00* ! KP 0.86 MA 0.95 MC 1.11 MK 1.81 ! NY 1.00* TS 1.00* WZ 1.23 PT 0.80 ! ! A total of 21 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.11 FD 0.96 GC 0.92 HN 0.85 ! LA 0.93 NL 2.20 OV 0.97 SC 0.89 ! WF 0.74 GG 1.00* HH 1.00* KK 0.70 ! KP 0.79 MA 1.00* MC 1.00* MK 0.81 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.81 GC 1.00* HN 1.00* ! LA 0.83 NL 1.00* OV 1.02 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 0.71 ! KP 0.74 MA 1.00* MC 1.00* MK 0.93 ! NY 1.00* TS 1.00* WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.75 GC 0.91 HN 0.86 ! LA 0.81 NL 1.04 OV 0.99 SC 27.76 ! WF 0.66 GG 1.00* HH 1.00* KK 1.00* ! KP 0.92 MA 1.99 MC 1.38 MK 1.82 ! NY 1.00* TS 1.00* WZ 0.95 PT 0.79 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.84 FD 0.86 GC 0.98 HN 1.14 ! LA 0.81 NL 2.19 OV 1.03 SC 0.65 ! WF 1.00* GG 1.00* HH 1.00* KK 0.70 ! KP 0.89 MA 1.00* MC 1.00* MK 0.80 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.84 ! ! ! Fit before self-cal, rms=0.394145Jy sigma=0.006368 ! Fit after self-cal, rms=0.288940Jy sigma=0.004718 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6074 mas, bmaj=2.095 mas, bpa=-7.831 degrees ! Estimated noise=406.2 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 = 0.0160614 Jy ! Component: 100 - total flux cleaned = 0.0202554 Jy ! Total flux subtracted in 100 components = 0.0202554 Jy ! Clean residual min=-0.027956 max=0.065813 Jy/beam ! Clean residual mean=0.000848 rms=0.010298 Jy/beam ! Combined flux in latest and established models = 1.34273 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 70 components and 1.34273 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.286998Jy sigma=0.004671 ! Fit after self-cal, rms=0.287705Jy sigma=0.004665 ! 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 (-3.1, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0562885 Jy ! Component: 100 - total flux cleaned = 0.062419 Jy ! Total flux subtracted in 100 components = 0.062419 Jy ! Clean residual min=-0.022698 max=0.058600 Jy/beam ! Clean residual mean=0.000505 rms=0.009392 Jy/beam ! Combined flux in latest and established models = 1.40515 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 92 components and 1.40515 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.277094Jy sigma=0.004432 ! Fit after self-cal, rms=0.896369Jy sigma=0.003656 ! Inverting map and beam ! Estimated beam: bmin=0.6052 mas, bmaj=2.073 mas, bpa=-7.787 degrees ! Estimated noise=424.369 mJy/beam. ! Added new window around map position (-6.6, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0606589 Jy ! Component: 100 - total flux cleaned = 0.0968141 Jy ! Total flux subtracted in 100 components = 0.0968141 Jy ! Clean residual min=-0.019925 max=0.026188 Jy/beam ! Clean residual mean=-0.000260 rms=0.007076 Jy/beam ! Combined flux in latest and established models = 1.50197 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 119 components and 1.50197 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.894453Jy sigma=0.003268 ! Fit after self-cal, rms=2.096109Jy sigma=0.003104 ! Inverting map and beam ! Estimated beam: bmin=0.6099 mas, bmaj=2.081 mas, bpa=-7.821 degrees ! Estimated noise=417.752 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 = 0.038025 Jy ! Component: 100 - total flux cleaned = 0.0641314 Jy ! Total flux subtracted in 100 components = 0.0641314 Jy ! Clean residual min=-0.018098 max=0.023924 Jy/beam ! Clean residual mean=-0.000234 rms=0.005644 Jy/beam ! Combined flux in latest and established models = 1.5661 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 135 components and 1.5661 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=2.096047Jy sigma=0.002901 ! Fit after self-cal, rms=2.096063Jy sigma=0.002879 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C120_X ! Writing UV FITS file: 3C120_X.uvf ! Writing 135 model components to file: 3C120_X.mod ! wwins: Wrote 6 windows to 3C120_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6099 x 2.081 at -7.821 degrees (North through East) ! Clean map min=-0.017344 max=0.34694 Jy/beam ! Writing clean map to FITS file: 3C120_X.fits ! Writing difmap environment to: 3C120_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 3C120_X] device 3C120_Xuv.ps/vps,1,2 ! Attempting to open device: '3C120_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 3C120_Xim.ps/vps ! Attempting to open device: '3C120_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=0.6099 mas, bmaj=2.081 mas, bpa=-7.821 degrees ! Estimated noise=417.752 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6099 x 2.081 at -7.821 degrees (North through East) ! Clean map min=-0.017344 max=0.34694 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 3C120_X.log closed on Mon Aug 7 23:02:42 2006