! Started logfile: 1943+228_X.log on Thu Aug 14 10:48:50 2008 observe 1943+228_X.edt ! Reading UV FITS file: 1943+228_X.edt ! AN table 1: 81 integrations on 171 of 171 possible baselines. ! AN table 2: 186 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.176972 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1943+228 ! ! 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 1526 lines of history. ! ! Reading 32320 visibilities. ![@gonzo7-0.1 1943+228_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 = 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 0.100x0.100 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 1286 telescope corrections were flagged in sub-array 1. ! A total of 2002 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1301 telescope corrections were flagged in sub-array 1. ! A total of 1969 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1328 telescope corrections were flagged in sub-array 1. ! A total of 1970 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1268 telescope corrections were flagged in sub-array 1. ! A total of 2001 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.914674Jy sigma=20.027258 ! Fit after self-cal, rms=0.914493Jy sigma=20.035784 ! 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=0.5725 mas, bmaj=1.441 mas, bpa=0.1066 degrees ! Estimated noise=0.549828 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 = 0.0641046 Jy ! Total flux subtracted in 50 components = 0.0641046 Jy ! Clean residual min=-0.004920 max=0.018075 Jy/beam ! Clean residual mean=-0.000024 rms=0.001483 Jy/beam ! Combined flux in latest and established models = 0.0641046 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 0.0641046 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082345Jy sigma=1.541792 ! Fit after self-cal, rms=0.082352Jy sigma=1.541728 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0174932 Jy ! Total flux subtracted in 50 components = 0.0174932 Jy ! Clean residual min=-0.004067 max=0.007946 Jy/beam ! Clean residual mean=-0.000019 rms=0.001161 Jy/beam ! Combined flux in latest and established models = 0.0815978 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 0.0815978 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078665Jy sigma=1.401663 ! Fit after self-cal, rms=0.078668Jy sigma=1.401482 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00957406 Jy ! Total flux subtracted in 50 components = 0.00957406 Jy ! Clean residual min=-0.003765 max=0.007062 Jy/beam ! Clean residual mean=-0.000016 rms=0.001051 Jy/beam ! Combined flux in latest and established models = 0.0911719 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 20 components and 0.0911719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077594Jy sigma=1.356099 ! Fit after self-cal, rms=0.077597Jy sigma=1.355982 ! 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=0.7452 mas, bmaj=1.977 mas, bpa=-3.604 degrees ! Estimated noise=0.22489 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 (-1.1, 2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0110563 Jy ! Component: 100 - total flux cleaned = 0.0172032 Jy ! Total flux subtracted in 100 components = 0.0172032 Jy ! Clean residual min=-0.002654 max=0.003780 Jy/beam ! Clean residual mean=-0.000022 rms=0.000703 Jy/beam ! Combined flux in latest and established models = 0.108375 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 49 components and 0.108375 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076378Jy sigma=1.310689 ! Fit after self-cal, rms=0.076279Jy sigma=1.307442 ! 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 93 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.10 KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 1.25 NY 0.81 ! OV 1.00* PT 1.00* SC 1.00 TS 1.00* ! WF 1.00* WZ 0.76 GG 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 0.88 GC 1.41 HH 1.00* ! HN 1.08 KK 1.03 KP 1.04 LA 0.84 ! MA 1.00* MK 1.13 NL 1.05 NY 1.00* ! OV 1.02 PT 0.92 SC 1.13 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 78 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 0.89 KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 0.84 NY 0.80 ! OV 1.00* PT 1.00* SC 0.85 TS 1.00* ! WF 1.00* WZ 0.79 GG 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.11 FD 0.94 GC 1.30 HH 1.00* ! HN 0.92 KK 0.97 KP 0.95 LA 0.86 ! MA 1.00* MK 1.03 NL 0.99 NY 1.00* ! OV 0.90 PT 0.97 SC 1.02 TS 0.94 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 87 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 0.86 KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 0.96 NY 0.74 ! OV 1.00* PT 1.00* SC 1.28 TS 1.00* ! WF 1.00* WZ 0.76 GG 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.89 FD 1.01 GC 1.68 HH 1.00* ! HN 0.80 KK 1.07 KP 0.80 LA 0.99 ! MA 1.00* MK 1.00 NL 0.93 NY 1.00* ! OV 0.96 PT 0.96 SC 0.82 TS 0.92 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 4. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 0.86 KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 1.13 NY 0.75 ! OV 1.00* PT 1.00* SC 0.96 TS 1.00* ! WF 1.00* WZ 0.74 GG 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.03 GC 1.26 HH 1.00* ! HN 0.80 KK 0.92 KP 0.85 LA 1.17 ! MA 1.00* MK 1.08 NL 0.93 NY 1.00* ! OV 1.06 PT 1.01 SC 0.86 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.076279Jy sigma=1.307442 ! Fit after self-cal, rms=0.070595Jy sigma=1.270906 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7499 mas, bmaj=2.018 mas, bpa=-3.513 degrees ! Estimated noise=0.210634 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 = -0.000597837 Jy ! Component: 100 - total flux cleaned = 0.000255706 Jy ! Total flux subtracted in 100 components = 0.000255706 Jy ! Clean residual min=-0.001382 max=0.001514 Jy/beam ! Clean residual mean=-0.000001 rms=0.000353 Jy/beam ! Combined flux in latest and established models = 0.108631 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 60 components and 0.108631 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070324Jy sigma=1.271307 ! Fit after self-cal, rms=0.070320Jy sigma=1.270694 ! 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 = 0.0010573 Jy ! Component: 100 - total flux cleaned = 0.00158482 Jy ! Total flux subtracted in 100 components = 0.00158482 Jy ! Clean residual min=-0.001283 max=0.001447 Jy/beam ! Clean residual mean=-0.000000 rms=0.000329 Jy/beam ! Combined flux in latest and established models = 0.110216 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 70 components and 0.110216 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070243Jy sigma=1.271111 ! Fit after self-cal, rms=0.074781Jy sigma=1.216032 ! Inverting map and beam ! Estimated beam: bmin=0.7465 mas, bmaj=2.015 mas, bpa=-3.402 degrees ! Estimated noise=0.208419 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 = -0.00013878 Jy ! Component: 100 - total flux cleaned = 0.000298821 Jy ! Total flux subtracted in 100 components = 0.000298821 Jy ! Clean residual min=-0.001078 max=0.001074 Jy/beam ! Clean residual mean=-0.000000 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.110514 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 84 components and 0.110514 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074717Jy sigma=1.216578 ! Fit after self-cal, rms=0.074720Jy sigma=1.216274 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1943+228_X ! Writing UV FITS file: 1943+228_X.uvf ! Writing 84 model components to file: 1943+228_X.mod ! wwins: Wrote 2 windows to 1943+228_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7465 x 2.015 at -3.402 degrees (North through East) ! Clean map min=-0.0010747 max=0.08164 Jy/beam ! Writing clean map to FITS file: 1943+228_X.fits ! Writing difmap environment to: 1943+228_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1943+228_X] device 1943+228_Xuv.ps/vps,1,2 ! Attempting to open device: '1943+228_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1943+228_Xim.ps/vps ! Attempting to open device: '1943+228_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=0.7465 mas, bmaj=2.015 mas, bpa=-3.402 degrees ! Estimated noise=0.208419 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7465 x 2.015 at -3.402 degrees (North through East) ! Clean map min=-0.0010747 max=0.08164 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1] quit ! Quitting program ! Log file 1943+228_X.log closed on Thu Aug 14 10:49:06 2008